CN104520487B - Glazing supatex fabric and manufacture method - Google Patents
Glazing supatex fabric and manufacture method Download PDFInfo
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- CN104520487B CN104520487B CN201380043253.0A CN201380043253A CN104520487B CN 104520487 B CN104520487 B CN 104520487B CN 201380043253 A CN201380043253 A CN 201380043253A CN 104520487 B CN104520487 B CN 104520487B
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- supatex fabric
- sample
- fabric
- wearability
- looping
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Classifications
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
- D04H3/147—Composite yarns or filaments
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C15/00—Calendering, pressing, ironing, glossing or glazing textile fabrics
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C7/00—Heating or cooling textile fabrics
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/608—Including strand or fiber material which is of specific structural definition
- Y10T442/614—Strand or fiber material specified as having microdimensions [i.e., microfiber]
- Y10T442/626—Microfiber is synthetic polymer
Abstract
A kind of method of lustering improving wearability, when spun-bonded fibre net is by the smooth roll of heating, the smooth roll of heating makes the relatively low melting fraction of bicomponent fibre melt.Due to the external pressure not applied at roll gap by the second relative roller as in calendering, the outer surface of the fleece not contacting heating smooth rollers is kept essentially constant, and supatex fabric does not show compression due to upper photoreduction process.In order to surface processes the only side of supatex fabric, control roll temperature and the time of staying (roller diameter, looping angle and linear velocity), to improve wearability, make breathability and web thickness be held essentially constant simultaneously.
Description
Background
The disclosure relates generally to fabric (such as, fleece or the fleece lamination being made up of thermoplastic fibre or long filament
Material).Specifically, it relates to supatex fabric, such as, the supatex fabric made by melt spinning thermoplastic's material.
Terms used herein " supatex fabric " refers to that in random fashion (that is, not having discernible pattern) is arranged and be orientated
The fleece of individual fibers, long filament or line.The example of supatex fabric includes meltblown fiber web, spun-bonded fibre net, combing fibre
Tie up net, air-laid fibre web, wet-laid fibrous web and spunlace webs and comprise two or more non-woven layers
Composite fiber web.
Terms used herein " spunbond " refers to wherein by being polymerized from multiple spinning head fine capillary extrusion molten thermoplastic
Thing material, is then quickly reduced extrusion filament diameter and forms the process of long filament by stretching.Spunbonded non-woven fabrics or fiber
Netcom crosses and is collecting random laying spun-bonded continuous yarn formation on surface, collects surface such as porous web or band.Spun-bonded fibre net can pass through
Be known in the art multiple method bonding, such as, hot-rolling calendering, through air bonding (apply in general to multiple component spunbond
Net) or make fleece pass through saturated chamber at an elevated pressure.
The spunbonded non-woven fabrics formed by continuous bicomponent fibre is known in the art.Terms used herein " bi-component
Fiber " refer to any fiber of being made up of the two kinds of different polymer being spun into monofilament or fiber the most together or long filament (i.e., continuously or
Discontinuously).The most each bicomponent fibre is made up of two kinds of different polymer, and the polymer that the two is different is arranged in across double
The zones of different that the substantially constant ground of component fibre cross section is arranged, and along the substantially continuous extension of fibre length.Bi-component continuously
Fiber is by the fiber made from identical spinning head two kinds of polymer of extrusion, wherein comprises two kinds of polymerizations in identical long filament
Thing.Layout according to two kinds of polymer and relative quantity, the structure of bicomponent fibre can be categorized as core-skin, arranged side by side, most advanced and sophisticated, fine
Denier, composite fibre etc..
Core-skin bicomponent fibre comprises the core being made up of a kind of thermoplastic and is made up of different thermoplastic material
Skin.Core with one heart or can be centrifuged relative to skin, and can have identical or different shape with skin-deep ratio.Surface at expectation fiber
There is the character of the such as skin such as gloss, dyeability or stability, when core can promote intensity, minimizing cost etc., utilize skin-core simultaneously
Structure.
Non-woven webs can be used on methods known in the art heat bonding, including a bonding or decorative pattern bonding.Point or flower
Stricture of vagina bonding is commonly included in zone of dispersion heating and the pressurization of fleece, such as, by making fleece through by knurling rolls and light
The roll gap that roller or two knurling rolls are formed.One or two roller can be heated, knit so that heat bonding is non-in discrete point, line, region etc.
Make fleece.Can be at multiple thermal bond points focus bonding non-woven fabrics separated or fleece.Terms used herein " hot decorative pattern
Bonding " refer to a kind of process, including making supatex fabric or fleece through from heated engraved roll with coordinate heating light anvil roller shape
The roll gap become.Several roll structures (such as, single-pass, bilateral, S-shaped looping and three groups of idler rollers (three-stack idler roll)
Structure) it is well known that.
Supatex fabric can be used for wide range of application, such as operative blanket, diaper, feminine hygiene, towel, entertains or anti-
Protecting property fabric and geotextiles.In these application a lot, one or two surface abrasion resistance of supatex fabric is necessary.
The various methods improving supatex fabric wearability are known.In a kind of known method, supatex fabric is made to pass through
The roll gap formed by two calenders.After this calendaring operation, the thickness of calendered fabric is less than the thickness of non-calendered fabric.Another
The method of kind uses focus bonding calendering system (main adhesive mechanism) with greater than about 22% bond area.This obtains having relatively
The fabric of high stiffness.Another kind of art methods utilizes binding agent.This fabric obtaining there is higher stiffness, and affect
The capillarity of fabric.
Known thermoplastic bi-component's spunbonded non-woven is flexibility/silkiness/drapability, and has very poor wear-resisting
Property, or have excellent wearability, and there is no flexibility, silkiness or drape characteristics.Thickness is usually the good of drapability
Tolerance.That is, for specific basic weight, spunbonded non-woven fabrics is the thinnest, the finest and close, and this is converted into the drapability of reduction.
There is raising wearability accordingly, it would be desirable to manufacture and not adversely affect drapability, capillarity and/or fabric hands
The method of the supatex fabric of sense.
General introduction
The theme of the disclosure is to improve wearability at least side of the supatex fabric being made up of thermoplastic, simultaneously
Keep high drapability and the method for breathability.These fabrics can be used for medical applications.Non-woven material is often at hospital surgical
Room is used for multiple use (such as, patient's drop cloth, surgical staff medicated clothing).If by operation personnel activity (band glove
Hands fore-aft travel etc.) form the bead of non-woven material or loose fiber, and these enter the wound of patient, it is possible to
Forming thromboembolism in cardiovascular system, this has serious consequence to patient.
According to some embodiments, available method of lustering manufactures bicomponent fibre, and (such as sheath core fiber, it has by heat
The skin that plastic material is made, the fusing point of skin is less than the fusing point of core thermoplastic) spun-bonded fibre net.According to an embodiment party
Case, the method for lustering smooth roll of heating when spun-bonded fibre net is by the smooth roll of heating improving wearability melts bicomponent fibre
Relatively low melting fraction.Due to the external pressure not applied at roll gap by the second relative roller as in calendering, do not connect
The outer surface of fleece touching heating smooth rollers is kept essentially constant, and supatex fabric does not show compression due to upper photoreduction process.
In order to surface processes the side of supatex fabric, the surface temperature and the time of staying that control heating smooth rollers (depend on roller diameter, bag
Twine angle and linear velocity), to improve wearability, make breathability and web thickness be held essentially constant simultaneously.In order to make fabric
Opposition side glazing, this process repeatable.
According to an embodiment for the election, leave the roll gap formed by heating smooth rollers with relative engraved roll at fleece
Time, by making the circumferential surface of fleece looping heating smooth rollers make at least side glazing of decorative pattern bonded nonwoven fibrous webs.
Method of lustering disclosed herein can be applicable to the most different thermoplastic bi-component and spins molten fabric, includes but not limited to
Nonwoven fabric and SMS (spunbond-melt blown-spunbond) laminated material.These method of lustering be best suited for having less than 40gsm basic weight and
Molten fabric is spun less than 22% bond area.In one application, the nonwoven fabric being made up of polyethylene/polyester sheath core long filament is made
Glazing, obtains having the surface improving wearability.
Evaluate the advantageous effect of method of lustering disclosed herein and include detecting untreated, glazing and calendering spunbonded nonwoven is knitted
The wearability of thing.The wearability detecting each fabric sample has two kinds of methods: (1) uses Taibo (Taber) Wear Tester, with Thailand
The resistance to rope method of wearing into of uncle detects the period (for subjective visually test) of damage；(2) by identical Taibo Wear Tester
After each fabric sample 40 that weares and teares circulation, calculate the loss of mean Taber scraping (Taber shaving) weight, use and include grinding
Damage the process of samples weighing/scraping/be re-weighed.
Being independent of by heating and pressurize conpressed fibers net owing to improving the method for lustering of wearability, the fabric of glazing keeps height
Thickness/basic weight than with excellent wearability.Wearability supatex fabric disclosed herein comprises thermoplastic threads, and have to
Thickness (micron, μm)/basic weight (gsm or g/m of few 52) ratio, wherein at least side of supatex fabric comprises at least part of graduation
Thermoplastic threads, this side is at the Average weight losses through Taibo scraping with no more than 0.62%.According to an enforcement
Scheme, the opposite side of fabric does not has graduation or the thermoplastic threads of part graduation.
Specifically, spun-bonded fibre net disclosed herein, described spun-bonded fibre net comprises bicomponent thermoplastic filament, and has
Having the thickness/basic weight ratio of at least 5 μm/gsm, wherein at least side of spun-bonded fibre net comprises the bi-component heat of at least part of graduation
Thermoplastic filaments, this side is at the Average weight losses through Taibo scraping with no more than 0.62%.
The method of lustering of different embodiments described below.Improve the one of nonwoven surfaces wearability disclosed herein
Kind of method is included on a surface of a part of supatex fabric and heats and pressurize, and at another of this part supatex fabric
Any heating or pressurization is not carried out on individual surface.Heated by heating smooth rollers circumferential surface and pressurize, preceding sections supatex fabric
Looping circumferential surface faces toward the part of looping angle and is in contact with it.Looping angle is in the range of 25 to 85 ° (containing 25 ° and 85 °).Add
The surface temperature of hot smooth roll in the range of 290 to 330 (143.3-165.5 DEG C), preferably 300 to 330 (148.9-
165.5℃)。
Another aspect is the method improving nonwoven surfaces wearability, and described method includes: (a) is at nonwoven
The circumferential surface of a part of looping heating smooth rollers of thing supports nonwoven facing to the part of looping angle the position that is in contact with it
Thing；(b) supatex fabric is made to advance with tensioning state, to keep the some of part circumferential surface with heating smooth rollers facing to bag
Twine the some parts looping contact at angle, the wherein circumference table of a length of heating smooth rollers on the surface of the looping part of supatex fabric
The diameter in face and the function of looping angle.Optionally, when a part of supatex fabric contacts with heating smooth rollers looping, another part
A part of circumferential surface of at least one removable deflector roll of supatex fabric looping is also in contact with it, and the looping angle of this part can
Regulate relative to the position of heating smooth rollers by changing removable deflector roll.
Another aspect is to manufacture the method with the decorative pattern bonded nonwoven fibrous webs improving wearability surface, described side
Method includes: (a) be random deposition extrusion long filament on moving conveyor belt or screen cloth, to form non-woven webs；B () is non-by making
Woven web forms discrete thermal bonds region through the roll gap formed by knurling rolls and heating smooth rollers in non-woven webs,
At non-woven webs by time wherein, roll gap is formed continuously discrete heat bonding district according to decorative pattern in non-woven webs
Territory；(c) by making a part of circumferential surface of non-woven webs looping heating smooth rollers, decorative pattern bonded nonwoven fibrous webs is made
Surface glazing.The end section of the looping part of non-woven webs is arranged in roll gap.
The other side of the following discloses present invention.
Accompanying drawing is sketched
Fig. 1 is the diagram that display manufactures the known device of the thermal bonded nonwoven fabric being made up of bicomponent filament.
Fig. 2 to 4 is to show to process thermal bonded nonwoven fabric surface to improve the phase of wearability according to different embodiments
Answer the diagram of device.
SEM (the scanning electron microscopy of the glaze surface of spunbonded non-woven fabrics through glazing is taught herein according to Fig. 5
Mirror) image.
The SEM of the non-glaze surface teaching the spunbonded non-woven fabrics to its opposed surface glazing according to Fig. 6 herein schemes
Picture.
Fig. 7 be the different fabric sample of display mean Taber scraping weight loss (%) relative to thickness/basic weight ratio (μm/
Gsm) diagram.The data point of spunbonded non-woven fabrics difference classification is shown with following symbol table: () is untreated；(zero) through glazing,
Weight loss≤0.62%；(Δ) loses through glazing, weight > 0.62%；() calendering.
Correct relative to fabric sample of paring blade when Fig. 8 is display or projected fiber loose from fabric sample surface scraping
The diagram of the side view of position.
Below with reference to accompanying drawing, wherein in different accompanying drawings, similar key element has identical reference.
Describe in detail
Describe below with reference to Fig. 2 to 4 and improve at least the one of the supatex fabric manufactured by the spunbond nonwoven process known
The different embodiments of the device of the wearability on individual surface.Before describing that device, existing description is used for manufacturing the bonding of hot decorative pattern
The known method of supatex fabric.
The known device of Fig. 1 schematically illustrate manufacture heat bonding spunbonded non-woven fabrics.According to this known spunbond method, from
The random of spinning head 4 preparation arranges that bicomponent filament 2 forms supatex fabric, and spinning head 4 receives from a pair extruder 10 He
Two logistics 6 and 8 being made up of corresponding different polymeric materials of 12.Preferably spinning head 4 is for forming sheath core or side by side bicomponent
The type of long filament.Two kinds of polymers compositionss are combined into bicomponent filament in spinning head, and bicomponent filament has and is positioned at cross section
Interior two zoness of different the two kinds of components extended continuously along filament length.For manufacturing the spinning head of bicomponent filament at this
Field is known, and is therefore not described in detail herein.Filamentation hole (not shown) in a known embodiment, in spinning head
A line or multirow are arranged, to form the curtain of the long filament 2 downwardly extended when by spinning head 4 extruded polymer.At long filament 2
When leaving spinning head 4, they by quenching gas (such as, air) contact, quenching gas by impeller 14 from filament curtain side (as
Seen in fig. 1) or both sides (not shown) be laterally guided.Air-flow be enough at least partly make long filament quench.It addition, fiber draw unit
Or aspirator device 16 is less than spinning head 4 and arranges, for stretching and attenuating long filament 2.
Long filament 2 is randomly deposited on moving conveyor belt 18, and conveyer belt 18 is driven source (not shown) to drive by routine, with circulation
By one group of roller 20, thus form the random loose fiber net 24 depositing long filament.Optionally can be suitable in 18 times layouts of conveyer belt
Aspirator 22, to help deposition long filament 2.It should be noted that, although the single spinning head molectron of display and single layer filament fleece, but
Also other spinning head molectron can be provided online, to form heavier fleece or multi-layer nonwoven fabric.
Again referring to Fig. 1, the supatex fabric 24 of advance enters into and through by a pair heating calender 26 He from conveyer belt 18
28 pressure nip formed.One of calender have contact non-woven webs 24 side smooth circumferential, and another
Calender is to have prominent or the engraved roll of face, land decorative pattern at its circumferential surface, and embossed surface contacts the another of non-woven webs 24
Side.One or two calender can heat in inside, such as in a usual manner, by the heat transfer fluid circulation inside by roller.
Time, temperature and pressure condition at calendering roll gap be enough to heated yarn, make the polymers compositions of relatively low melting point melt also together
Flowing, so that long filament is fused together in the zone of dispersion array determined by the decorative pattern on patterned calender roller.Then, gained is made
Hot decorative pattern bonding non-woven fabric 30 proceeds to take-up roll 32.
According to the embodiment of following discloses, process hot decorative pattern bonded spunbonded fabric further, with in one or both
Wearability is improved on surface.Fig. 2 shows the embodiment on processed offline nonwoven fabric surface.Fig. 3 and 4 display is online (that is, at heat flower
Wind before nonwoven fabric after stricture of vagina bonding and in take-up roll) process the embodiment on nonwoven fabric surface.
After manufacturing decorative pattern bonded spunbonded fabric, such as, by the method described in Fig. 1, in order to process further, can
Take-up roll 32 is sent to diverse location.Upper photoreduction process is carried out in that position.Fig. 2 shows the glazing according to an embodiment
The flow chart (unnumbered roller is the simple deflector roll not affecting photoreduction process) of method.Nonwoven fabric 30 unwinds from roller 32, and arrives
The way of take-up roll 34 is passed through around the smooth roll 36 heated under tension.The looping part of fabric 30 and the circumference of heating smooth rollers 36
Surface is facing to the part contact of central angle (being referred to herein as " looping angle ").[it will be appreciated that accompanying drawing is schematically, and by than
Example is drawn, and the looping angle described in Fig. 2-4 is understood to mean that the looping angle in scope claimed herein].Although fabric 30
A part contact with heating smooth rollers 36 looping, but the upstream and downstream part looping respectively of fabric 30 may move deflector roll 38a and
The part-circular periphery surface of 38b, and be in contact with it.By the position relative to roller 36 position change deflector roll 38a and 38b, such as arrow
Shown in, scalable fabric 30 is around the looping angle of roller 36.Looping angle can be in the range of 25 to 85 °.The time of staying is by looping angle
And wire velocity control.The part that fabric 30 surface is in contact with it is heated by the circumferential surface of heating smooth rollers 36 and pressurization.Also
Pressure can be changed by the relative velocity of regulation machine and polishing roll.The surface temperature of heating smooth rollers can be 290 to 330
In the range of (143.3-165 DEG C), preferably 300 to 330 (148.9-165.5 DEG C).The diameter of heating smooth rollers 36 is preferably 350
To 400mm.On these, optical parameter can use during the course, for comprising PE/PET (that is, polyethylene/poly terephthalic acid second
Diester) the side glazing of decorative pattern bonded spunbonded fabric of sheath core long filament.It can also be used for improving the nonwoven fabric of 100% polyethylene
Wearability.Glazing causes the bonding that surface filaments/fiber improves.This causes the wearability that only glazing side is improved.Reach this
Point fabric thickness without adverse affects, capillarity or fabric feeling.Specifically, thickness changes less than fabric through calendering
The situation of non-glazing.
Optionally at nonwoven fabric behind side glazing, can by repeating process light on another side shown in Fig. 2, or
Passed through around the second heating smooth rollers (not showing in fig. 2) under tension by glazing fabrics, wherein the non-glazing side of fabric
Contact the heating circumferential surface of the second roller.
Select embodiment according to the confession shown in Fig. 3, carry out glazing online, i.e. after hot decorative pattern bonds and at winding
Before winding decorative pattern bonded spunbonded fabric on roller.Fig. 3 shows that (same, unnumbered roller is not for affect for the flow process of online method of lustering
The simple deflector roll of upper photoreduction process).As the most described in reference diagram 1, the nonwoven fabric of advance can be by by a pair heating calender 26
With 28 pressure nip formed.One calender has smooth circumferential, and another calender is to have on its circumferential surface
There is the prominent or engraved roll of face, land decorative pattern.Time, temperature and pressure condition at calendering roll gap be enough to heated yarn, make relatively eutectic
The polymers compositions of point is melted together and flows, so that long filament is at the zone of dispersion array determined by the decorative pattern on patterned calender roller
In be fused together.In the way towards take-up roll 32, the smooth roll 36 of decorative pattern bonded spunbonded fabric 30 looping heating.Looping angle and
Roll surface temperature can be describing in identical scope with previously with reference to method shown in Fig. 2.Equally, by relative to heating smooth rollers
36 position changes may move the position of deflector roll 38a and 38b, and scalable fabric 30 is around the looping angle of heating smooth rollers 36.Then, knit
Thing 30 is in the part in removable deflector roll 38b downstream, and it is present glazing the most in side, can uniformly be wound on winding by means of two grades of rollers
On roller 34.But, upper photosystem is not affected by the roller number in reel system, and can omit two grades of rollers.
Optionally at nonwoven fabric behind side glazing, by glazing fabrics under tension at the second heating smooth rollers (at Fig. 3
In do not show) around pass through, can light, wherein the heating circumference of non-glazing side contacts second heating smooth rollers of fabric on another side
Surface.
The decorative pattern bonding providing a kind of manufacture to have raising wearability surface for selecting embodiment, the present invention according to another
The method of non-woven webs, described method includes: (a) be random deposition extrusion long filament on moving conveyor belt or screen cloth, with shape
Become non-woven webs；B roll gap that () is formed by knurling rolls and heating smooth rollers by making non-woven webs pass through is non-woven
In fleece formed discrete thermal bonds region, non-woven webs by wherein time, roll gap in non-woven webs according to
Decorative pattern is formed continuously discrete heat bonding region；(c) by making a part of circumference of non-woven webs looping heating smooth rollers
Surface, is arranged in the end section of non-woven webs looping part in roll gap simultaneously, makes decorative pattern bonded nonwoven fibrous webs
Surface glazing.
It is shown in Fig. 4 with a part for manufacture method described in previous paragraphs.Make spun-bonded fibre net 30 by being added by a pair
The pressure nip that hot rolling smooth roll 26 and 28 is formed.In this embodiment, roller 26 has smooth circumferential, and roller 28 is at it
There is on circumferential surface the prominent or engraved roll of face, land decorative pattern.Time, temperature and pressure condition at calendering roll gap be enough to make to spin
The long filament of binding textiles is fused together in the zone of dispersion array determined by the decorative pattern on patterned calender roller 28.Decorative pattern bonding is spun
The binding textiles 30 part immediately preceding the roll gap downstream formed by roller 26 and 28 is along the circumference of the looping angle in the range of facing to 25 to 85 °
Part looping heating smooth rollers 26.The surface temperature of heating smooth rollers 26 can in the range of 290 to 330 (143.3-165.5 DEG C),
Preferably 300 to 330 (148.9-165.5 DEG C).Equally, looping can be regulated by moving deflector roll 38 relative to heating smooth rollers 26
Angle.Decorative pattern bonded spunbonded fabric 30 at side glazing is wound in take-up roll 32 the most in a usual manner.
Use preceding method, can manufacture and there is raising wearability and be satisfied with drapability, capillarity and/or fabric feeling
Thermoplastic nonwoven fabric.These methods are preferably applied to have less than 40gsm basic weight and viscous less than the fabric gross area 22%
Close the decorative pattern bonding non-woven fabric of area.Test has shown that these supatex fabric have the thickness/basic weight of at least 5 μm/gsm
Ratio.In the case of fabric only side glazing, then that glaze surface comprises the thermoplastic threads of at least part of graduation, and at warp
There is when crossing Taibo scraping the Average weight losses of no more than 0.62%, and the opposite side of supatex fabric is the most at least partly put down
The thermoplastic threads changed.It addition, glazing side was not damaged in Taber Abrasion Resistance becomes rope test method before 13 circulations.At fabric
In the case of all glazings of both sides, each glaze surface has aforesaid properties.
Fig. 5 is the SEM figure of the glaze surface in the unbonded region of the spunbonded non-woven fabrics comprising PE/PET sheath core long filament
Picture.It will be seen that surface filaments graduation is to a certain degree in this image.
By contrast, the spunbonded nonwoven manufactured from identical long filament of its opposed surface glazing is taught according to Fig. 6 herein
The SEM image of the non-glaze surface in the unbonded region of fabric.It will be seen that the non-graduation of surface filaments in this image.
Fig. 7 be the different fabric sample of display mean Taber scraping weight loss (%) relative to thickness/basic weight ratio (μm/
Gsm) diagram.The data point of the fabric sample of different classification spunbonded non-woven fabrics is shown with following symbol table: () is untreated；
(zero) through glazing, weight loss≤0.62%；(Δ) loses through glazing, weight > 0.62%；() calendering.
The data being graphically depicted in Fig. 7 obtain from table 1 (below).Belong to the fabric of aforementioned four class spunbonded non-woven fabrics
Weight loss (%) of sample shows in the respective column of table 1.The loss of each weight is for using Taibo scraping weight loss tests method
(following) repeats the meansigma methods of the weight loss that sample measures to 32.Table 1 also lists basic weight, thickness, thickness/basic weight ratio and in Thailand
To the period damaged during primary wear test.Finally, the standard of each group of 32 weight loss determinings is listed from secondary series from right to left
Deviation (%).
Table 1
Thermoplastic and upper optical parameter for glazing sample are shown in Table 2, and table 2 also marks control sample numbering
Thermoplastic used by 25716.Thermoplastic and calendering parameter for calendering sample are shown in Table 3, and table 3 also marks
Thermoplastic used by 36-gsm control sample numbering 257290.
As seen in table 2 and 3, there are some differences between samples.Difference is around the type of PE used and skin (PE)/core
(PET) ratio.Using two kinds of different polyethylene: Alathon 4620 is high density PE, and Alathon 6018 is more high density PE.
Test display both polyethylene (non-glazing) is respectively provided with bad wearability (superficial phenomenon).After glazing, two models resistance to
Mill property is all improved.Control sample numbering 25716 is commercial spunbond fabric, has a PE/PET ratio of 40/60, and the institute listed
Other sample is had to have 48/52 ratio (PE/PET).Control sample 25730 (36gsm) is another kind of commercial spunbond level, for about
All same stages (sole difference is not have rear calendering) used by calendering sample listed.Difference between two control samples is
PE, PE/PET ratio used and basic weight.In table 2, the upper optical parameter of listed different glazing samples is the different (portions of EXPERIMENTAL DESIGN
Point).
Table 2
* differential degree=winder speed-polishing roll speed
Table 3
As previously noted, listed in table 1 percent weight loss Taibo scraping weight loss tests method obtains.Design
This test method quantitative assessment spunbonded non-woven and the wearability of composite (that is, laminated material).According to this method
Prepare sample, be connected to Taibo wear device, and with comprising two foot wheel abrasions of abrasive grain, take turns examination of wearing and tearing when rotated for two
Test sample.Each rotate to be a circulation.One outside rubbed sample of emery wheel, i.e. towards circumference, another is to internal friction sample
Product, i.e. towards center.Take turns at sample surfaces through 40 circulations altogether of complete circumference (circulation).This allows relative to material
Fabric or granule evaluate wearability at all angles.The fiber mentioned on sample outside the point that contacts with emery wheel produces fluffy ring
See.(terms used herein " fluffy " refers to the fine hair shape outward appearance of fiber after being produced abrasion by the fiber lift-off of fleece).Will
Sample is weighed (Wt upon wear1), scrape away discrete material, then sample is re-weighed (Wt2).Then Taibo scraping weight is calculated
Amount loss, according to the weight (Wt of sample after 40 Taibo abrasion cycles1) weight of abrasion sample identical with after scraping
(Wt2) difference divided by weight Wt1Then it is multiplied by 100 to calculate:
(1)
32 the repetition samples taken from each fabric sample are measured the loss of Taibo scraping weight, then each fabric sample is reached
Single data point calculates the loss of mean Taber scraping weight based on 32 measured values.
Include following for carrying out the device of Taibo scraping weight loss determining: (1) Taber Model 503 Abraser
Friabilator；(2) emery wheel (having 4 years to recommend the life-span) in CS-10 (part number 125320)；(3) S-11 scaife (refacing
Discs) (it is used for polishing CS-10 emery wheel)；(4) model machine is cut, for preparation 5 inch sample；(5) Oster 76 type scraper, even
Connect 000 blade；(6) scale is claimed.
For each supatex fabric sample, cut 32 from fabric sample and repeat sample or sample.Repeat sample to each 32 to survey
Weight loss after fixed 40 Taibo abrasion cycles and scraping, then calculates meansigma methods and standard to each group of 32 weight loss values
Deviation.
The test procedure of the Taibo scraping weight loss measuring each independent sample is as follows:
(1) guarantee that CS-10 emery wheel polishes.Wheel the most often can polish the minimum available diameter of 1 inch, as
Shown on wheel label.If wheel is new, it should with S-11 scaife polishing CS-10 wheel.Advise that two polishings (use two lists
Only dish) each 50 circulations, to ensure that wear surface contacts with sample surfaces.If previously used CS-10 takes turns, should be at 100
Polished after circulation.Use S-11 scaife 25 circulations of experience.Press initiating key to start to polish CS-10 wheel.25
Stop key is pressed after individual circulation.Discard S-11 scaife (regardless of whether having used 25 or 50 circulations) after a single use.
(2) each wheel arm is made to preload 250 grams of pressure.
(3) may utilize pin at abrasion arm rear portion.The purposes of this pin is to maintain the weight that emery wheel is identical with counterweight, with
Compensate active wheel weight.The most do not use weighting distribution wheel.
(4) sample with 5 inch outer diameter is gone out with the cross cutting being suitable for.Then an anxious aperture in this sample.This
Individual hole should be suitable for the screw rod of Taibo tester.
(5) sample (test is on the side) is placed on the rubber blanket of sample fixer, and sample is secured in place.
(6) regulation hold-down ring, tightly to coordinate along sample, keeps it the most wrinkling.
(7) two wheel fixed assemblies are reduced.
(8) make cycle counter reset to 0, press Start and begin to wear out circulation.
(9) Taibo friabilator is run, until sample is through 40 abrasion cycles.Stop is pressed 40 loop ends.
In order to gather data, it should with sample marker labelling each experience wear sample, then with a gram weighing experience wear sample
Weight, be accurate at least 4 decimals.[in formula (1) by this scraping before example weight be designated as Wt1.] then, should be by sample
The region scraping worn and torn at sample in the side (such as, the glazing side of glazing sample) of product.Carry out the people of scraping operations to examine and scrape
Sharpener (shaver) sheet is clean, does not has any loose fiber and dust.Then, should use there is 000 sharpener of connection
(clipper) the Oster 76 type sharpener of sheet scrapes away any loose or projected fiber at eroded area.Tester should ensure that to be cut
The leading edge of blade is parallel to sample, and avoids digging sample.Fig. 8 shows or projected fiber loose from fabric sample surface 40 scraping
Time paring blade 44 (being connected to hand-held sharpener 42) relative to the side view of the tram of fabric sample.Assessment examination during scraping
Testing in sample, experimenter (if it is necessary, using lamp) should watch fabric sample under good light condition from different perspectives.Examination
The person of testing should ensure that and removes loose/projected fiber.If it find that any loose or projected fiber, should scraping sample again.Scraping
The final result of process should be the sample not having loose/projected fiber.Although it is inaccessiable that experimenter can be observed paring blade
Chopped break/cuts protruding end, but does not attempt these fibers of scraping.
After the wear surface of scraping each sample, sample should be weighed again, again be accurate to 4 decimals.At formula
(1) in, example weight after this scraping is designated as Wt2.Now, by by before scraping and scraping after example weight Wt1And Wt2Insert public affairs
Formula (1), can calculate Taibo scraping weight loss (%).
As previously noted, listed in table 1 Taibo abrasion cycles Taibo weares and teares into rope method and obtains.This is a kind of subjective test
Method, is designed as providing performance to grade in the circulating cycle, and wherein sample runs to damage, and records spot failure in the circulating cycle.Test
First character make sample fluff with circular pattern, and lasting circulation makes this balling-up of fluffing, and forms rope form, and along eroded area
Interior periphery is collected.When seeing along inner rim 80% one-tenth rope altogether, it is defined as spot failure.Prepared by sample, test apparatus and right
It is identical with Taibo scraping weight loss (%) method that Taibo weares and teares into rope method calibration instrument.
The test procedure that Taibo weares and teares into rope method is as follows: run 3 the continuous circulations of Taibo tester.Circulate at 3
Instrument is stopped during one-tenth.Check into rope.Continuing test, next circulation, until observing and restricting along inner rim 80% one-tenth.To reach
The period spent during to 80% one-tenth rope is recorded as spot failure.Repeat sample to altogether 4 and repeat test.Taibo weares and teares into rope circulation
Performance is the meansigma methods of these 4 samples.
Although having been described for different embodiments, it should be understood by those skilled in the art that can be without departing from this culture and education
Carry out various change under the scope awarded, and available equivalents replaces its key element.It addition, can make under without departing from its elemental range
Go out a lot of amendment, so that concrete condition adapts to those professors.It is therefore contemplated that the scope of the following stated claim is not limited to disclosure
Embodiment.
Phrase used in claim " ... in the range of " including the end points of that scope, term " Average weight losses " is
Refer to based on the Average weight losses repeating sample measure and calculation not less than 32.
Claims (30)
1. manufacture has the method for supatex fabric of nonwoven surfaces wearability for raising, and described method includes
-supatex fabric comprising thermoplastic bi-component's sheath core long filament is provided, there is polyethylene sheath and poly terephthalic acid second two
Ester core, and there is the thickness/basic weight ratio of at least 5 μm/gsm,
-heat on a surface of a supatex fabric part and pressurize so that at least side bag of described supatex fabric
Containing the thermoplastic threads of at least part of graduation, the weight costing bio disturbance measured based on Taibo scraping weight loss tests method, institute
State side and there is the Average weight losses of no more than 0.62%, and on another surface of part described in this supatex fabric not
Carry out any heating or pressurization,
Described Taibo scraping weight loss tests method is designed to the wear-resisting of quantitative assessment spunbonded non-woven and composite
Property；Prepare sample according to this method, be connected to Taibo wear device, and with comprising two foot wheel abrasions of abrasive grain, two
Take turns wear test sample when rotated；Each rotate to be a circulation；One outside rubbed sample of emery wheel, i.e. towards circumference, separately
One inside rubbed sample, i.e. towards center；Take turns at sample surfaces through complete circulation 40 circulations altogether；This allows phase
Wearability is evaluated at all angles for material fabric or granule；The fiber mentioned produces fluffy at the point contacted with emery wheel on sample
DNA releaxed circular DNA outward appearance；Sample is weighed as upon wear Wt1, scrape away discrete material, then sample be re-weighed as Wt2；Then according to
Following formula calculates Taibo scraping weight and loses:
(1)。
2. a kind of manufacture of claim 1 has the method for supatex fabric of nonwoven surfaces wearability of raising, its
In heated and pressurization by the circumferential surface of heating smooth rollers, circumferential surface described in the described part looping of this supatex fabric is facing to bag
Twine the part at angle and be in contact with it.
3. a kind of manufacture of claim 2 has the method for supatex fabric of nonwoven surfaces wearability of raising, its
Described in looping angle in the range of 25 to 85 °, containing 25 ° and 85 °.
4. a kind of manufacture of claim 2 has the method for supatex fabric of nonwoven surfaces wearability of raising, its
Described in the surface temperature of heating smooth rollers in the range of 290 to 330 (143.3-165.5 DEG C).
5. a kind of manufacture of claim 4 has the method for supatex fabric of nonwoven surfaces wearability of raising, its
Described in the surface temperature of heating smooth rollers in the range of 300 to 330 (148.9-165.5 DEG C).
6. a kind of manufacture of claim 1 has the method for supatex fabric of nonwoven surfaces wearability of raising, institute
The method of stating includes:
A () and is in contact with it facing to the part of looping angle at the circumferential surface of a part of looping heating smooth rollers of supatex fabric
Position supports supatex fabric；With
B () makes supatex fabric advance with tensioning state, to keep the circumferential surface pair of some of part and described heating smooth rollers
The some parts looping contact of looping angle,
The diameter of the circumferential surface of a length of described heating smooth rollers on the surface of the looping part of wherein said supatex fabric and
The function of described looping angle.
7. a kind of manufacture of claim 6 has the method for supatex fabric of nonwoven surfaces wearability of raising, its
Described in the surface temperature of heating smooth rollers in the range of 290 to 330 (143.3-165.5 DEG C).
8. a kind of manufacture of claim 7 has the method for supatex fabric of nonwoven surfaces wearability of raising, its
Described in the surface temperature of heating smooth rollers in the range of 300 to 330 (148.9-165.5 DEG C).
9. a kind of manufacture of claim 6 has the method for supatex fabric of nonwoven surfaces wearability of raising, its
Described in looping angle in the range of 25 to 85 °.
10. a kind of manufacture of claim 6 has the method for supatex fabric of nonwoven surfaces wearability of raising, its
Described in heating smooth rollers and knurling rolls form roll gap, the end section of the looping part of described supatex fabric is arranged in described roller
In gap.
A kind of manufacture of 11. claim 6 has the method for the supatex fabric of the nonwoven surfaces wearability of raising, its
In when a part of described supatex fabric contacts with described heating smooth rollers looping, supatex fabric looping described in another part can
Moving a part for the circumferential surface of deflector roll and be in contact with it, the looping angle of this part can be by changing described removable deflector roll
Regulate relative to the position of described heating smooth rollers.
A kind of manufacture of 12. claim 1 has the method for the supatex fabric of the nonwoven surfaces wearability of raising, uses
In manufacturing the decorative pattern bonded nonwoven fibrous webs with raising wearability surface, described method includes:
A () be random deposition extrusion long filament on moving conveyor belt or screen cloth, to form non-woven webs；
B roll gap that () is formed by knurling rolls and heating smooth rollers by making described non-woven webs pass through, at described non-woven fibre
Forming discrete thermal bonds region in dimension net, at described non-woven webs by time wherein, described roll gap is at described non-woven fibre
Dimension net is formed continuously discrete heat bonding region according to decorative pattern；With
C (), by making a part of circumferential surface of heating smooth rollers described in described non-woven webs looping, makes decorative pattern bond non-knitting
Make the surface glazing of fleece.
A kind of manufacture of 13. claim 12 has the method for the supatex fabric of the nonwoven surfaces wearability of raising,
The surface temperature of wherein said heating smooth rollers is in the range of 290 to 330 (143.3-165.5 DEG C).
A kind of manufacture of 14. claim 13 has the method for the supatex fabric of the nonwoven surfaces wearability of raising,
The surface temperature of wherein said heating smooth rollers is in the range of 300 to 330 (148.9-165.5 DEG C).
A kind of manufacture of 15. claim 12 has the method for the supatex fabric of the nonwoven surfaces wearability of raising,
Wherein looping angle is in the range of 25 to 85 °.
A kind of manufacture of 16. claim 12 has the method for the supatex fabric of the nonwoven surfaces wearability of raising,
The end section of the looping part of wherein said non-woven webs is arranged in described roll gap.
A kind of manufacture of 17. claim 12 has the method for the supatex fabric of the nonwoven surfaces wearability of raising,
Wherein when the upstream portion of described non-woven webs contacts with described heating smooth rollers looping, under described non-woven webs
Trip part looping may move a part of circumferential surface of deflector roll and is in contact with it, and the looping angle of this part can be described by changing
Removable deflector roll regulates relative to the position of described heating smooth rollers.
18. 1 kinds of supatex fabric, described supatex fabric comprises thermoplastic bi-component's sheath core long filament, have polyethylene sheath and
Polyethylene terephthalate core, and there is the thickness/basic weight ratio of at least 5 μm/gsm, wherein said supatex fabric is extremely
Few side comprises the thermoplastic threads of at least part of graduation, the weight loss measured based on Taibo scraping weight loss tests method
Calculating, described side has the Average weight losses of no more than 0.62%,
Described Taibo scraping weight loss tests method is designed to the wear-resisting of quantitative assessment spunbonded non-woven and composite
Property；Prepare sample according to this method, be connected to Taibo wear device, and with comprising two foot wheel abrasions of abrasive grain, two
Take turns wear test sample when rotated；Each rotate to be a circulation；One outside rubbed sample of emery wheel, i.e. towards circumference, separately
One inside rubbed sample, i.e. towards center；Take turns at sample surfaces through complete circulation 40 circulations altogether；This allows phase
Wearability is evaluated at all angles for material fabric or granule；The fiber mentioned produces fluffy at the point contacted with emery wheel on sample
DNA releaxed circular DNA outward appearance；Sample is weighed as upon wear Wt1, scrape away discrete material, then sample be re-weighed as Wt2；Then according to
Following formula calculates Taibo scraping weight and loses:
(1)。
The supatex fabric of 19. claim 18, wherein said thermoplastic bi-component's sheath core long filament is molten in multiple zone of dispersions
Melting, the gross area of the plurality of zone of dispersion is less than the 22% of the described fabric gross area.
The supatex fabric of 20. claim 18, wherein said basic weight is less than 40gsm.
The supatex fabric of 21. claim 18, wherein said side Taber Abrasion Resistance become rope test method in 13 circulations
Do not damage.
The supatex fabric of 22. claim 18, the opposite side of wherein said supatex fabric does not has the heat of at least part of graduation
Plasticity bi-component sheath core long filament.
The supatex fabric of 23. claim 18, wherein said supatex fabric is spun-bonded fibre net.
24. 1 kinds of spun-bonded fibre nets, described spun-bonded fibre net comprises bicomponent thermoplastic filament, has polyethylene sheath and poly-to benzene
Dioctyl phthalate second diester core, and there is the thickness/basic weight ratio of at least 5 μm/gsm and basic weight less than 40gsm, wherein said spunbond fibre
The side of dimension net comprises the bicomponent thermoplastic filament of at least part of graduation, and the opposite side of described spun-bonded fibre net does not has part
The thermoplastic threads of graduation, when standing Taibo scraping weight loss tests method, described in comprise double groups of at least part of graduation
The side dividing thermoplastic threads has the Average weight losses of no more than 0.62%,
Described Taibo scraping weight loss tests method is designed to the wear-resisting of quantitative assessment spunbonded non-woven and composite
Property；Prepare sample according to this method, be connected to Taibo wear device, and with comprising two foot wheel abrasions of abrasive grain, two
Take turns wear test sample when rotated；Each rotate to be a circulation；One outside rubbed sample of emery wheel, i.e. towards circumference, separately
One inside rubbed sample, i.e. towards center；Take turns at sample surfaces through complete circulation 40 circulations altogether；This allows phase
Wearability is evaluated at all angles for material fabric or granule；The fiber mentioned produces fluffy at the point contacted with emery wheel on sample
DNA releaxed circular DNA outward appearance；Sample is weighed as upon wear Wt1, scrape away discrete material, then sample be re-weighed as Wt2；Then according to
Following formula calculates Taibo scraping weight and loses:
(1)。
The spun-bonded fibre net of 25. claim 24, wherein said thermoplastic threads is melted in multiple zone of dispersions, the plurality of
The gross area of zone of dispersion is less than the 22% of the fabric gross area.
The spun-bonded fibre net of 26. claim 24, the one of the wherein said bicomponent thermoplastic filament comprising at least part of graduation
Side was not damaged in Taber Abrasion Resistance becomes rope test method before 13 circulations.
27. 1 kinds of supatex fabric comprising bicomponent thermoplastic filament, have polyethylene sheath and polyethylene terephthalate
Core, and there is the thickness/basic weight ratio of at least 5 μm/gsm, the side of wherein said supatex fabric comprises at least part of graduation
Thermoplastic threads, and the opposite side of described supatex fabric does not has a thermoplastic threads of part graduation, and Taibo scraping weight is damaged
Lose test method measuring, described in comprise at least part of graduation the side of bicomponent thermoplastic filament have no more than 0.62%
Average weight losses, and described thermoplastic threads is melted in multiple zone of dispersions, the gross area of the plurality of zone of dispersion is little
In the 22% of the described fabric gross area,
Described Taibo scraping weight loss tests method is designed to the wear-resisting of quantitative assessment spunbonded non-woven and composite
Property；Prepare sample according to this method, be connected to Taibo wear device, and with comprising two foot wheel abrasions of abrasive grain, two
Take turns wear test sample when rotated；Each rotate to be a circulation；One outside rubbed sample of emery wheel, i.e. towards circumference, separately
One inside rubbed sample, i.e. towards center；Take turns at sample surfaces through complete circulation 40 circulations altogether；This allows phase
Wearability is evaluated at all angles for material fabric or granule；The fiber mentioned produces fluffy at the point contacted with emery wheel on sample
DNA releaxed circular DNA outward appearance；Sample is weighed as upon wear Wt1, scrape away discrete material, then sample be re-weighed as Wt2；Then according to
Following formula calculates Taibo scraping weight and loses:
(1)。
The supatex fabric of 28. claim 27, wherein said basic weight is less than 40gsm.
The supatex fabric of 29. claim 28, the one of the wherein said bicomponent thermoplastic filament comprising at least part of graduation
Side was not damaged in Taber Abrasion Resistance becomes rope test method before 13 circulations.
The supatex fabric of 30. claim 29, wherein said supatex fabric is spun-bonded fibre net.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/495,572 US20130337714A1 (en) | 2012-06-13 | 2012-06-13 | Glazed Nonwoven Fabric and Methods of Manufacture |
| US13/495572 | 2012-06-13 | ||
| PCT/FI2013/050566 WO2013186431A1 (en) | 2012-06-13 | 2013-05-23 | Glazed nonwoven fabric and methods of manufacture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104520487A CN104520487A (en) | 2015-04-15 |
| CN104520487B true CN104520487B (en) | 2016-12-28 |
Family
ID=48607301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380043253.0A Active CN104520487B (en) | 2012-06-13 | 2013-05-23 | Glazing supatex fabric and manufacture method |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20130337714A1 (en) |
| EP (1) | EP2861791B1 (en) |
| CN (1) | CN104520487B (en) |
| WO (1) | WO2013186431A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6550402B2 (en) | 2014-02-17 | 2019-07-24 | スリーエム イノベイティブ プロパティズ カンパニー | Polishing articles, and methods of making and using the same |
| WO2016010981A1 (en) * | 2014-07-14 | 2016-01-21 | Air Motion Systems, Inc. | Inert clear cylinder with inerting rollers |
| US11324378B2 (en) | 2016-04-12 | 2022-05-10 | 3M Innovative Properties Company | Foldable multi-purpose nonwoven hand pad and method of use |
| CA3022552A1 (en) | 2016-04-29 | 2017-11-02 | 3M Innovative Properties Company | Cleaning articles including scouring bodies that form printed instructions |
| CN109371570A (en) * | 2018-10-22 | 2019-02-22 | 山东恒鹏卫生用品有限公司 | A kind of smooth roll hot rolling elastic non-woven and its manufacturing method |
| CN115175648B (en) * | 2020-02-27 | 2023-08-25 | 花王株式会社 | Nonwoven fabric for absorbent article and absorbent article provided with same |
| CN112281307B (en) * | 2020-10-16 | 2022-10-28 | 连云港柏德实业有限公司 | Non-woven fabric and preparation method thereof |
| CN115216954A (en) * | 2022-07-08 | 2022-10-21 | 白鑫 | Elastic fabric processing method |
| CN115074917B (en) * | 2022-07-15 | 2023-09-19 | 厦门当盛新材料有限公司 | Novel bacteria-resistant breathable fabric and preparation method thereof |
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| US4582750A (en) * | 1985-04-16 | 1986-04-15 | E. I. Du Pont De Nemours And Company | Process for making a nonwoven fabric of needling, heating, burnishing and cooling |
| US5783290A (en) * | 1993-11-30 | 1998-07-21 | Kimberly-Clark Worldwide, Inc. | Process for forming liquid impermeable sheet material having a fibrous surface and products formed thereby |
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| US5804286A (en) * | 1995-11-22 | 1998-09-08 | Fiberweb North America, Inc. | Extensible composite nonwoven fabrics |
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| US8410005B2 (en) * | 2006-03-30 | 2013-04-02 | The Procter & Gamble Company | Stacks of pre-moistened wipes with unique fluid retention characteristics |
| US7914723B2 (en) * | 2007-04-24 | 2011-03-29 | Ahlstrom Corporation | Nonwoven bonding patterns producing fabrics with improved abrasion resistance and softness |
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2012
- 2012-06-13 US US13/495,572 patent/US20130337714A1/en not_active Abandoned
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2013
- 2013-05-23 CN CN201380043253.0A patent/CN104520487B/en active Active
- 2013-05-23 WO PCT/FI2013/050566 patent/WO2013186431A1/en active Application Filing
- 2013-05-23 EP EP13728231.5A patent/EP2861791B1/en active Active
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| GB1163138A (en) * | 1965-12-10 | 1969-09-04 | Carl Freudenberg | Treatment of Fabrics. |
| US3855046A (en) * | 1970-02-27 | 1974-12-17 | Kimberly Clark Co | Pattern bonded continuous filament web |
| US3983278A (en) * | 1973-09-27 | 1976-09-28 | Imperial Chemical Industries Limited | Method of making a thermoplastic pile sheet |
| US4342813A (en) * | 1978-03-14 | 1982-08-03 | Phillips Petroleum Company | Method for the production of a fused nonwoven fabric |
| US4582750A (en) * | 1985-04-16 | 1986-04-15 | E. I. Du Pont De Nemours And Company | Process for making a nonwoven fabric of needling, heating, burnishing and cooling |
| US5783290A (en) * | 1993-11-30 | 1998-07-21 | Kimberly-Clark Worldwide, Inc. | Process for forming liquid impermeable sheet material having a fibrous surface and products formed thereby |
| CN1630751A (en) * | 2002-06-26 | 2005-06-22 | 纳幕尔杜邦公司 | Polycomponent spunbonded non-woven fabric net and laminating material thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2861791B1 (en) | 2016-09-14 |
| WO2013186431A1 (en) | 2013-12-19 |
| US20130337714A1 (en) | 2013-12-19 |
| EP2861791A1 (en) | 2015-04-22 |
| CN104520487A (en) | 2015-04-15 |
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