CN105442179A - Water dispersing full-degradable spunlaced non-woven cloth - Google Patents
Water dispersing full-degradable spunlaced non-woven cloth Download PDFInfo
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- CN105442179A CN105442179A CN201510951512.0A CN201510951512A CN105442179A CN 105442179 A CN105442179 A CN 105442179A CN 201510951512 A CN201510951512 A CN 201510951512A CN 105442179 A CN105442179 A CN 105442179A
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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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/04—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres having existing or potential cohesive properties, e.g. natural fibres, prestretched or fibrillated artificial fibres
- D04H1/26—Wood pulp
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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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/425—Cellulose series
- D04H1/4258—Regenerated cellulose series
Abstract
The invention relates to water dispersing full-degradable spunlaced non-woven cloth which can meet the requirement for regenerative non-woven cloth entanglement performance strength and can be quickly dispersed and fully degraded under the action of water impact. The water dispersing full-degradable spunlaced non-woven cloth with the gram weight being 30-120 g/m<2> is prepared from, by weight, 15-85% of regenerative cellulose fibers and 85-15% of wood pulp fibers. The cloth has the advantages that the requirement of regenerative non-woven cloth entanglement performance strength can be met, the cloth can be quickly dispersed and fully degraded under the action of water impact, and environmental protection is facilitated.
Description
Technical field
The present invention relates to a kind of requirement that can meet regeneration nonwoven fabric entanglement intensity, a kind of broken off by water flush degradable spunlace non-woven cloth that can break up fast under the effect of impact of water again and all degrade, genus can manufacture field by degradable regeneration nonwoven fabric.
Background technology
Specially permit No. 3129192, title " crumbling property of water nonwoven fabric ", the regenerated viscose fiber fibre weight 40 ~ 85% of the long 4-20mm of fiber and crumbling property of the water nonwoven fabric of paper pulp fiber weight 15 ~ 60% weight, this nonwoven fabric by water jets under high pressure process fiber Hu Xiang Jiao Network, by JISP8135 crumbling property of the water nonwoven fabric that to test with moistening intensity 100 ~ 800gf/25mm be principal character.The regenerated viscose fiber fibre weight of the long 4 ~ 20mm of fiber is 40 ~ 85%, mix mutually with by the wood pulp fibre weight 15 ~ 60% of Canadian standard freeness 100 ~ 550mlCSF scope in JISP8121 standard, on wet method paper machine, fibre web is formed with the mixture obtained, this net is positioned on the conveyer belt of net system, then at one side or the two-sided inject high pressure water column stream of this net, allow fiber Hu Xiang Jiao Network, with crumbling property of the water nonwoven fabric that such manufacture method is principal character after drying.
Specially permit No. 3284960, title " nonwoven fabric of regenerated viscose fiber fiber and wood pulp Jiao Network integration ", regenerated viscose fiber fiber 15 ~ 55% weight of this nonwoven fabric (a) fiber number 1.0 ~ 5.1 DENIER and runkel(Le Application ケ Le) than 0.35 ~ 0.55 freeness 550 ~ 750mlCSFde timber wood pulp 85 ~ 45% weight, regenerated viscose fiber fiber 15 ~ 55% weight of (d) fiber number 1.0 ~ 5.1 DENIER and timber wood pulp 85 ~ 45% weight of α viscose fiber content 85 ~ 88% weight, at least that a kind of proportioning wherein formed, the nonwoven fabric of size 5cmx5cm(25cm2) drops in the pure water of 100ml, with 300 revs/min rock decompose in water time, the resolving time that the size of largest block is required when 1cm2 represents water-disintegrable between 60 ~ 300 seconds, the state of affairs ultimate strength that such nonwoven fabric measures according to JISP8135, below remember that the geometrical mean that (1) formula represents is the water disintegratable non-woven fabric of principal character at 200 ~ 1000gf/25mm.
Specially permit No. 3948071, title " water disintegratable non-woven fabric ", regeneration viscose acetal fibre weight 31 ~ 55%, mix with the wood pulp of weight 69 ~ 45%, the fibre web formed by wet method copy paper makes regenerated fiber and the integration of wood pulp paper pulp interlacing produce the manufacture method of nonwoven fabric by High-Pressure Water process on porose support, the scope of MD/CD=1.5 ~ 3.5 is reached, to implement the manufacture method of such High-Pressure Water process water disintegratable non-woven fabric by the ultrasonic transfer rate ratio of such wet method manufacture method adjustment fibre web.This nonwoven fabric form be by regeneration viscose acetal fibre weight 31 ~ 55% and and timber wood pulp weight 69 ~ 45%, moistening tearing strength is measured according to JISP813, longitudinal moistening tearing strength is at more than 200gf/25mm, horizontal moistening tearing strength at more than 50gf/25mm, and the aspect ratio of moistening tearing strength in MD/CD=2.0 ~ 4.5 with the water disintegratable non-woven fabric that these manufacture methods that to be principal character recorded by claims 1 are produced.
The weak point of above-mentioned background technology: because regenerated viscose fiber fiber value ratio is equal to or greater than 15%, and the long 4 ~ 20mm of regenerated viscose fiber fiber, itself and wood pulp fibre water sting the nonwoven fabric that formed due to broken off by water flush high, but entanglement strength is low, in use easily there is breakage, cause finished product to extract inconvenience, use embarrassment.
Summary of the invention
Purpose of design: avoid the weak point in background technology, designs a kind of requirement that can meet regeneration nonwoven fabric entanglement intensity, a kind of broken off by water flush degradable spunlace non-woven cloth that can break up fast under the effect of impact of water again and all degrade.
Design: in order to realize above-mentioned purpose of design.1, percentage by weight is the design that 15%-85% regenerated celulose fibre and 85%-15% wood pulp fibre make that grammes per square metre is the water punching dispersion degradable regeneration nonwoven fabric of 30 gram of-120 Ke/㎡, is one of technical characteristic of the present invention.The object of such design is: because regenerated celulose fibre has good hygroscopicity, under general atmosphere condition, regain is at 10-13%, significantly expand after moisture absorption, diameter increase can reach 50%, under fabric, after water, feel is hardened, and shrinkage factor is large, and the selection that thus its ratio is how many is directly connected to formed regeneration nonwoven fabric pliability and dispersiveness.The ratio that regenerated celulose fibre is chosen is large, and entanglement is good, intensity is high, but not only not easily breaks up after meeting water, is subject to the large impact of its shrinkage factor on the contrary and condenses, causing and be difficult to break up; Otherwise though chance broken off by water flush is good, entanglement is poor, and intensity is low, can not meet instructions for use.Thus the application is by weight percentage for the water punching dispersion degradable regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ made by 15%-85% regenerated celulose fibre and 85%-15% wood pulp fibre, the working strength requirement of regeneration nonwoven fabric can not only be met, and avoid regenerated celulose fibre and meet the water difficult problem of hardening, condense, achieve that water punching disperses, the object of degradable.2, regenerated celulose fibre face having the design of otch, is technical characteristic two of the present invention.The object of such design is: by regenerated celulose fibre by getting rid of the machine of cutting, can get rid of at fiber surface or side and be cut into many otch states, this otch both can improve fiber surface area, its its obvolvent, entanglement power in the manufacture process of regeneration nonwoven fabric are strengthened, thus solution amount entanglement power less and the high object of entanglement strength, simultaneously it again can under the effect of water punching collapse by wood pulp fibre instantaneous expansion loose, thus reach the object that water rushes rapid dispersion, degradable.3, the design after wood pulp employing 4 ± 0.5% wood pulp concentration mill process is technical characteristic three of the present invention.The object of such design is: be suitable for inclined shiny beating, comparatively strong to the effect of fiber wire-dividing broom purification, is beneficial to the lifting of beating degree.Because one is the cut-out reducing wood pulp in the process of wood pulp fibre wire-dividing broom purification as far as possible, thus increase the tiny sub-wire of wood pulp fibre, increase the obvolvent entanglement chance with other fiber, increase specific area, increase the Hydrogenbond of hydroxyl, thus improving product is powerful, make the powerful CD of product hygrometric state reach 350-700g/in, MD reaches 550-1000g/in; Two is that obvolvent entanglement power and Hydrogen bonding forces also reduce wood pulp, short rayon fiber departs from the possibility of product with wiping action, thus reduces and fall considering to be worth doing property, improves cleanliness factor.4, regenerated celulose fibre adopts the design of pressure mill choosing point pretreated viscose, is four of the special life of technology of the present invention.The object of such design is: the viscose after infiltration is by the permanent rotating speed grinding process of the 750-850r/min under 0.2-0.3MPa pressure, make viscose stress deformation after imbibitional water, and go out superfine filament in end face sub-wire, these fine fibre silks add between fiber and fiber, obvolvent chance between fiber and wood pulp, from overall appearance, pretreated viscose is close to dumbbell shaped, make to break up material in use fiber not easily depart from, the powerful CD of final product hygrometric state reaches 350-700g/in, and MD reaches 550-1000g/in; Secondly, because fine fibre silk is formed in the two ends of viscose, and non-intermediate positions, therefore under hydraulic blow, because the obvolvent long stroke between fiber and fiber is short, easily departed from by water punching, thus ensure excellent dispersiveness, make final product dispersiveness reach 95-100%.
Technical scheme 1: a kind of broken off by water flush degradable spunlace non-woven cloth is the water punching dispersion degradable regeneration nonwoven fabric that 15%-85% regenerated celulose fibre and the wood pulp fibre of 85%-15% after 4 ± 0.5% wood pulp concentration mill process make that grammes per square metre is 30 gram of-120 Ke/㎡ by percentage by weight.
Technical scheme 2: a kind of preparation method of broken off by water flush degradable spunlace non-woven cloth, (1) 15%-85% regenerated celulose fibre is under 0.2-0.3MPa pressure, with the permanent rotating speed grinding process of 750-850r/min, make viscose stress deformation after imbibitional water, and go out superfine filament in end face sub-wire; (2), after 85%-15% wood pulp adopts 4 ± 0.5% wood pulp concentration mill process, the concentration of wood pulp is made to reach 4%; (3) 15%-85% regenerated celulose fibre and 85%-15% wood pulp fibre are made the water punching dispersion degradable regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ by employing wet method spunlace non-woven cloth manufacture craft.
The present invention, compared with background technology, can meet the requirement of regeneration nonwoven fabric entanglement intensity, can break up fast again and all degrade, reduce raw-material consumption, be conducive to environmental protection under the effect of impact of water.
Accompanying drawing explanation
Fig. 1 is the status architecture schematic diagram of (get rid of and cut) after regenerated celulose fibre preliminary treatment.
Fig. 2 is the status architecture schematic diagram of (do not get rid of and cut) after regenerated celulose fibre preliminary treatment.
Detailed description of the invention
Embodiment 1: with reference to accompanying drawing 1.A kind of broken off by water flush degradable spunlace non-woven cloth is that to make grammes per square metre be that the water of 30 gram of-120 Ke/㎡ rushes dispersion degradable and regenerates nonwoven fabric for wood pulp fibre after 15%-85% adopts pressure mill choosing point pretreated regenerated celulose fibre and 85%-15% to adopt 4 ± 0.5% wood pulp concentration mill process by percentage by weight.Regenerated celulose fibre refers to viscose, tencel fiber, bamboo fibre etc., and its structure is flat fiber structure, sawtooth fibre structure, circular fiber structure, oval fibres structure and other irregular structure.Product hygrometric state Cross breaking strength 350-750g/in, the powerful 550-1200g/in of hygrometric state longitudinal fracture.
Regenerated celulose fibre length is 5.1-19.9mm, in its regenerated celulose fibre fibre length be more than or equal to 10.0mm and be less than or equal to 19.9mm account for 71-89%, fibre length be more than or equal to 5.1mm and be less than or equal to 9.9mm account for 11-29%.
Wood pulp fibre length 1.5-6.0mm, in its 99%-85% wood pulp fibre fibre length be more than or equal to 1.5mm and be less than or equal to 3.5mm account for 10-20%, fibre length be greater than 3.5mm and be less than or equal to 6.0mm account for 90-80%.
If wood pulp is greater than 85%, then in product, the accounting of fiber is very low, and Total Product structure middle short fiber accounting is many, obvolvent chance is each other less, and cohesive force is less, and therefore the powerful CD of hygrometric state is 50-200g/in, MD is 150-400g/in, and use procedure has certain risk.If wood pulp content is less than 15%, then many compared with long fiber accounting in Total Product structure, obvolvent chance is each other more, and cohesive force is comparatively large, and legibility does not twine, if reinforced with normal water thorn pressure, then dispersiveness is lower, is 80-90%.
Hygrometric state Cross breaking strength 350-750g/in, the powerful 550-1200g/in of hygrometric state longitudinal fracture, its wet break method for testing strength:
Round a width sample cloth, sample cloth is folded smooth after divide on testing stand, getting with machine engraving 6 the rectangle samples being of a size of 2.5 × 15cm along sample cloth transverse and longitudinal direction with sampling plate is experimental test sample.To every built-in testing sample 3 times of liquid feedings after weighing to test specimens, after liquid feeding terminates, start test immediately.
Optimum configurations: extension test, maximum tension number of times 6 times, pretension 0.00, folder distance 75mm, translational speed 300mm, true tensile strength 15N, tensile elongation 400%, temperature 25 DEG C, humidity 65%.
Calculate: retest acquired results is averaged as the brute force of this sample cloth and percentage elongation, and strong unit of force is N(1N=101.97g/in).
Dispersed test:
1. dispersed 80-100% tested by wrist-oscillator, its method of testing:
A. round a width sample cloth, get respectively south, in, north 3 grammes per square metre samples carry out being weighed as m1, m2, m3; B. 300-400ml running water is put in conical flask; C. conical flask is put into by after the doubling of grammes per square metre sample again doubling, jam-pack rubber bolt; D. conical flask is fixed on wrist-oscillator, then adjusts Oscillation Amplitude to maximum, turn on the power switch, vibration 1min; E. take off conical flask, mixture is poured on the screen pack of 0.5 inch mesh along clockwise direction equably; F. be then shower head 4-6 inch flushing residue on filter screen of 4L/min by hydraulic pressure; G., after 2min rinses, by the residue transposition on filter screen in vessel, put into baking oven and dry; After h treats that residue is dried, reading weight is m4, m5, m6, then by following formula, obtains turnover rate G1, G2, G3.
Calculate:
G1=(m1-m4)/m1×100%
G2=(m2-m5)/m2×100%
G3=(m3-m6)/m3×100%
2. the test of Spin tubes method is dispersed: 80-100%
Be that Boiling tube put into by the sample of 100 × 100mm by specification, and add 700ml water.After 70 circulation rotatings, the deployment conditions of test samples.Follow-up turnover rate performs with reference to above-mentioned experiment e-h step.
3. rock case and decompose test: dispersed 80-100%
This test be product is placed on 2.0L running water is housed swing case in vibrate after 3h, be the perforated screen of 12.5mm by the material in case by an aperture, reclaim residue and also analyze with gravimetry.Follow-up turnover rate performs with reference to above-mentioned experiment e-h step.
Above method can one-out-three.
Embodiment 2: on the basis of embodiment 1, there is otch in the regenerated celulose fibre face of flat fiber structure, sawtooth fibre structure, circular fiber structure, oval fibres structure and other irregular structure, and its otch is cut into shape for getting rid of.
Embodiment 3: on the basis of embodiment 1,15% regenerated celulose fibre and 85% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and wood pulp fibre length be greater than 3.5mm and be less than or equal to 6.0mm account for 90-80%, regenerated celulose fibre length be greater than 10.0mm and be less than or equal to 19.9mm account for 71-89%.
Embodiment 4: on the basis of embodiment 1,16% regenerated celulose fibre and 84% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and wood pulp fibre length be greater than 3.5mm and be less than or equal to 6.0mm account for 90-80%, regenerated celulose fibre length be more than or equal to 10.0mm and be less than or equal to 19.9mm account for 71-89%.
Embodiment 5: on the basis of embodiment 1,17% regenerated celulose fibre and 83% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and wood pulp fibre length be greater than 3.5mm and be less than or equal to 6.0mm account for 90-80%, regenerated celulose fibre length be more than or equal to 10.0mm and be less than or equal to 19.9mm account for 71-89%.
Embodiment 6: on the basis of embodiment 1,18% regenerated celulose fibre and 82% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and wood pulp fibre length be greater than 3.5mm and be less than or equal to 6.0mm account for 90-80%, regenerated celulose fibre length be more than or equal to 10.0mm and be less than or equal to 19.9mm account for 71-89%.
Embodiment 7: on the basis of embodiment 1,19% regenerated celulose fibre and 81% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and wood pulp fibre length be greater than 3.5mm and be less than or equal to 6.0mm account for 90-80%, regenerated celulose fibre length be more than or equal to 10.0mm and be less than or equal to 19.9mm account for 71-89%.
Embodiment 8: on the basis of embodiment 1,20% regenerated celulose fibre and 80% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and wood pulp fibre length be greater than 3.5mm and be less than or equal to 6.0mm account for 90-80%, regenerated celulose fibre length be more than or equal to 10.0mm and be less than or equal to 19.9mm account for 71-89%.
Embodiment 9: on the basis of embodiment 1,21% regenerated celulose fibre and 79% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and wood pulp fibre length be greater than 3.5mm and be less than or equal to 6.0mm account for 90-80%, regenerated celulose fibre length be more than or equal to 10.0mm and be less than or equal to 19.9mm account for 71-89%.
Embodiment 10: on the basis of embodiment 1,22% regenerated celulose fibre and 78% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and wood pulp fibre length be greater than 3.5mm and be less than or equal to 6.0mm account for 90-80%, regenerated celulose fibre length be more than or equal to 10.0mm and be less than or equal to 19.9mm account for 71-89%.
Embodiment 11: on the basis of embodiment 1,23% regenerated celulose fibre and 77% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and wood pulp fibre length be greater than 3.5mm and be less than or equal to 6.0mm account for 90-80%, regenerated celulose fibre length be more than or equal to 10.0mm and be less than or equal to 19.9mm account for 71-89%.
Embodiment 12: on the basis of embodiment 1,24% regenerated celulose fibre and 76% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and wood pulp fibre length be greater than 3.5mm and be less than or equal to 6.0mm account for 90-80%, regenerated celulose fibre length be more than or equal to 10.0mm and be less than or equal to 19.9mm account for 71-89%.
Embodiment 13: on the basis of embodiment 1,25% regenerated celulose fibre and 75% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and wood pulp fibre length be greater than 3.5mm and be less than or equal to 6.0mm account for 90-80%, regenerated celulose fibre length be more than or equal to 10.0mm and be less than or equal to 19.9mm account for 71-89%.
Embodiment 14: on the basis of embodiment 1,26% regenerated celulose fibre and 74% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and wood pulp fibre length be greater than 3.5mm and be less than or equal to 6.0mm account for 90-80%, regenerated celulose fibre length be more than or equal to 10.0mm and be less than or equal to 19.9mm account for 71-89%.
Embodiment 15: on the basis of embodiment 1,27% regenerated celulose fibre and 73% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and wood pulp fibre length be greater than 3.5mm and be less than or equal to 6.0mm account for 90-80%, regenerated celulose fibre length be more than or equal to 10.0mm and be less than or equal to 19.9mm account for 71-89%.
Embodiment 16: on the basis of embodiment 1,28% regenerated celulose fibre and 72% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and wood pulp fibre length be greater than 3.5mm and be less than or equal to 6.0mm account for 90-80%, regenerated celulose fibre length be more than or equal to 10.0mm and be less than or equal to 19.9mm account for 71-89%.
Embodiment 17: on the basis of embodiment 1,29% regenerated celulose fibre and 71% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and wood pulp fibre length be greater than 3.5mm and be less than or equal to 6.0mm account for 90-80%, regenerated celulose fibre length be more than or equal to 10.0mm and be less than or equal to 19.9mm account for 71-89%.
Embodiment 18: on the basis of embodiment 1,30% regenerated celulose fibre fiber and 70% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and in wood pulp fibre fibre length be more than or equal to 1.5mm and be less than or equal to 3.5mm account for 10-20%, regenerated celulose fibre length be more than or equal to 5.1mm and be less than or equal to 9.9mm account for 11-29%.
Embodiment 19: on the basis of embodiment 1,31% regenerated celulose fibre fiber and 69% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and in wood pulp fibre fibre length be more than or equal to 1.5mm and be less than or equal to 3.5mm account for 10-20%, regenerated celulose fibre length be more than or equal to 5.1mm and be less than or equal to 9.9mm account for 11-29%.
It is to be understood that: although above-described embodiment to be contrasted detailed text description to mentality of designing of the present invention; but these text descriptions; just the simple text of mentality of designing of the present invention is described; instead of the restriction to mentality of designing of the present invention; any do not exceed mentality of designing of the present invention combination, increase or amendment, all fall within the scope of protection of the present invention.
Claims (32)
1. a broken off by water flush degradable spunlace non-woven cloth, is characterized in that by percentage by weight being that to make grammes per square metre be that the water of 30 grams-120 grams/㎡ rushes dispersion degradable spunlace non-woven cloth for wood pulp fibre after 15%-85% adopts pressure mill choosing point pretreated regenerated celulose fibre and 85%-15% to adopt 4 ± 0.5% wood pulp concentration mill process.
2. broken off by water flush degradable spunlace non-woven cloth according to claim 1, is characterized in that: regenerated celulose fibre comprises viscose, tencel fiber, bamboo fibre.
3. broken off by water flush degradable spunlace non-woven cloth according to claim 2, is characterized in that: regenerated celulose fibre structure comprises flat fiber structure, sawtooth fibre structure, circular fiber structure, oval fibres structure and other irregular fibre structure.
4. broken off by water flush degradable spunlace non-woven cloth according to claim 3, is characterized in that: there is otch in the various regenerated celulose fibre faces of flat fiber structure, sawtooth fibre structure, circular fiber structure, oval fibres structure and other irregular fibre structure.
5. broken off by water flush degradable spunlace non-woven cloth according to claim 3, is characterized in that: otch is cut into shape for getting rid of.
6. broken off by water flush degradable spunlace non-woven cloth according to claim 1, is characterized in that: cellulosic fiber lengths is 5.1-19.9mm.
7. broken off by water flush degradable spunlace non-woven cloth according to claim 2, is characterized in that: cellulosic fiber lengths is 5.1-19.9mm.
8. the broken off by water flush degradable spunlace non-woven cloth according to claim 6 or 7, is characterized in that: in regenerated celulose fibre fibre length be more than or equal to 10.0mm and be less than or equal to 19.9mm account for 71-89%, fibre length be more than or equal to 5.1mm and be less than or equal to 9.9mm account for 11-29%.
9. broken off by water flush degradable spunlace non-woven cloth according to claim 1, is characterized in that: wood pulp fibre length 1.5-6.0mm.
10. broken off by water flush degradable spunlace non-woven cloth according to claim 2, is characterized in that: wood pulp fibre length 1.5-6.0mm.
11. broken off by water flush degradable spunlace non-woven cloths according to claim 9 or 10, is characterized in that: in 85%-15% wood pulp fibre fibre length be more than or equal to 1.5mm and be less than or equal to 3.5mm account for 10-20%, fibre length be greater than 3.5mm and be less than or equal to 6.0mm account for 90-80%.
12. broken off by water flush degradable spunlace non-woven cloths according to claim 1, is characterized in that: 15% regenerated celulose fibre and 85% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and wood pulp fibre length be greater than 3.5mm and be less than or equal to 6.0mm account for 90-80%, regenerated celulose fibre length be greater than 10.0mm and be less than or equal to 19.9mm account for 71-89%.
13. broken off by water flush degradable spunlace non-woven cloths according to claim 1, is characterized in that: 16% regenerated celulose fibre and 84% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and wood pulp fibre length be greater than 3.5mm and be less than or equal to 6.0mm account for 90-80%, regenerated celulose fibre length be more than or equal to 10.0mm and be less than or equal to 19.9mm account for 71-89%.
14. broken off by water flush degradable spunlace non-woven cloths according to claim 1, is characterized in that: 17% regenerated celulose fibre and 83% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and wood pulp fibre length be greater than 3.5mm and be less than or equal to 6.0mm account for 90-80%, regenerated celulose fibre length be more than or equal to 10.0mm and be less than or equal to 19.9mm account for 71-89%.
15. broken off by water flush degradable spunlace non-woven cloths according to claim 1, is characterized in that: 18% regenerated celulose fibre and 82% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and wood pulp fibre length be greater than 3.5mm and be less than or equal to 6.0mm account for 90-80%, regenerated celulose fibre length be more than or equal to 10.0mm and be less than or equal to 19.9mm account for 71-89%.
16. broken off by water flush degradable spunlace non-woven cloths according to claim 1, is characterized in that: 19% regenerated celulose fibre and 81% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and wood pulp fibre length be greater than 3.5mm and be less than or equal to 6.0mm account for 90-80%, regenerated celulose fibre length be more than or equal to 10.0mm and be less than or equal to 19.9mm account for 71-89%.
17. broken off by water flush degradable spunlace non-woven cloths according to claim 1, is characterized in that: 20% regenerated celulose fibre and 80% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and wood pulp fibre length be greater than 3.5mm and be less than or equal to 6.0mm account for 90-80%, regenerated celulose fibre length be more than or equal to 10.0mm and be less than or equal to 19.9mm account for 71-89%.
18. broken off by water flush degradable spunlace non-woven cloths according to claim 1, is characterized in that: 21% regenerated celulose fibre and 79% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and wood pulp fibre length be greater than 3.5mm and be less than or equal to 6.0mm account for 90-80%, regenerated celulose fibre length be more than or equal to 10.0mm and be less than or equal to 19.9mm account for 71-89%.
19. broken off by water flush degradable spunlace non-woven cloths according to claim 1, is characterized in that: 22% regenerated celulose fibre and 78% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and wood pulp fibre length be greater than 3.5mm and be less than or equal to 6.0mm account for 90-80%, regenerated celulose fibre length be more than or equal to 10.0mm and be less than or equal to 19.9mm account for 71-89%.
20. broken off by water flush degradable spunlace non-woven cloths according to claim 1, is characterized in that: 23% regenerated celulose fibre and 77% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and wood pulp fibre length be greater than 3.5mm and be less than or equal to 6.0mm account for 90-80%, regenerated celulose fibre length be more than or equal to 10.0mm and be less than or equal to 19.9mm account for 71-89%.
21. broken off by water flush degradable spunlace non-woven cloths according to claim 1, is characterized in that: 24% regenerated celulose fibre and 76% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and wood pulp fibre length be greater than 3.5mm and be less than or equal to 6.0mm account for 90-80%, regenerated celulose fibre length be more than or equal to 10.0mm and be less than or equal to 19.9mm account for 71-89%.
22. broken off by water flush degradable spunlace non-woven cloths according to claim 1, is characterized in that: 25% regenerated celulose fibre and 75% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and wood pulp fibre length be greater than 3.5mm and be less than or equal to 6.0mm account for 90-80%, regenerated celulose fibre length be more than or equal to 10.0mm and be less than or equal to 19.9mm account for 71-89%.
23. broken off by water flush degradable spunlace non-woven cloths according to claim 1, is characterized in that: 26% regenerated celulose fibre and 74% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and wood pulp fibre length be greater than 3.5mm and be less than or equal to 6.0mm account for 90-80%, regenerated celulose fibre length be more than or equal to 10.0mm and be less than or equal to 19.9mm account for 71-89%.
24. broken off by water flush degradable spunlace non-woven cloths according to claim 1, is characterized in that: 27% regenerated celulose fibre and 73% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and wood pulp fibre length be greater than 3.5mm and be less than or equal to 6.0mm account for 90-80%, regenerated celulose fibre length be more than or equal to 10.0mm and be less than or equal to 19.9mm account for 71-89%.
25. broken off by water flush degradable spunlace non-woven cloths according to claim 1, is characterized in that: 28% regenerated celulose fibre and 72% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and wood pulp fibre length be greater than 3.5mm and be less than or equal to 6.0mm account for 90-80%, regenerated celulose fibre length be more than or equal to 10.0mm and be less than or equal to 19.9mm account for 71-89%.
26. broken off by water flush degradable spunlace non-woven cloths according to claim 1, is characterized in that: 29% regenerated celulose fibre and 71% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and wood pulp fibre length be greater than 3.5mm and be less than or equal to 6.0mm account for 90-80%, regenerated celulose fibre length be more than or equal to 10.0mm and be less than or equal to 19.9mm account for 71-89%.
27. broken off by water flush degradable spunlace non-woven cloths according to claim 1, is characterized in that: 30% regenerated celulose fibre fiber and 70% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and in wood pulp fibre fibre length be more than or equal to 1.5mm and be less than or equal to 3.5mm account for 10-20%, regenerated celulose fibre length be more than or equal to 5.1mm and be less than or equal to 9.9mm account for 11-29%.
28. broken off by water flush degradable spunlace non-woven cloths according to claim 1, is characterized in that: 31% regenerated celulose fibre fiber and 69% wood pulp fibre make regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ and in wood pulp fibre fibre length be more than or equal to 1.5mm and be less than or equal to 3.5mm account for 10-20%, regenerated celulose fibre length be more than or equal to 5.1mm and be less than or equal to 9.9mm account for 11-29%.
29. broken off by water flush degradable spunlace non-woven cloths according to claim 1, it is characterized in that: after adopting viscose glue pressure mill choosing point preconditioning technique, the product hygrometric state Cross breaking strength 350-700g/in of wood pulp and viscose proportioning, the powerful 550-1000g/in of hygrometric state longitudinal fracture.
30. broken off by water flush degradable spunlace non-woven cloths according to claim 1, is characterized in that: the product hygrometric state Cross breaking strength 380-750g/in of wood pulp and tencel fiber proportioning, the powerful 580-1200g/in of hygrometric state longitudinal fracture.
31. broken off by water flush degradable spunlace non-woven cloths according to claim 1, it is characterized in that: regenerated celulose fibre refers to that the viscose after infiltration is by under 0.2-0.3MPa pressure, with the permanent rotating speed grinding process of 750-850r/min, make viscose stress deformation after imbibitional water, and go out superfine filament in end face sub-wire.
The preparation method of 32. 1 kinds of broken off by water flush degradable spunlace non-woven cloths as claimed in claim 1, is characterized in that:
(1) wood pulp preliminary treatment, adopt the design of the Different periods different capacity of band water-horse power and band slurry power, the water transport of initial employing band turns, be not with slurry, band water-horse power is 190-198kw, ensure the smooth even running of disc mill, for stablizing of follow-up wood pulp defibrination, band water transport turns 1 minute laggard slurry, enters the running of second-order length of tape slurry, band slurry power is 199-210kw, form certain pressure reduction, and this difference power keeps being stabilized in 10 ± 2.0kw, ensures the best beating degree after wood pulp mill, for 12-15 ° of SR, to ensure the wire-dividing broom purification degree of wood pulp the best; When this difference power increases, when band slurry power increases, mill outlet pressure becomes large thereupon, and corresponding flow reduces, and flow velocity is slack-off, the final mill degree strengthening wood pulp fibre, and wood pulp fibre is thinner, and wire-dividing broom purification degree is higher;
(2) viscose after infiltrating is by the permanent rotating speed grinding process of the 750-850r/min under 0.2-0.3MPa pressure, make viscose stress deformation after imbibitional water, and go out superfine filament in end face sub-wire, these fine fibre silks add between fiber and fiber, obvolvent chance between fiber and wood pulp, and from overall appearance, pretreated viscose is close to dumbbell shaped, make to break up material in use fiber not easily depart from and affect overall use powerful, the powerful CD of the hygrometric state of final products is made to reach 350-700g/in, MD reaches 550-1000g/in,
(3) 15%-85% regenerated celulose fibre and 85%-15% wood pulp fibre are made the water punching dispersion degradable regeneration nonwoven fabric that grammes per square metre is 30 gram of-120 Ke/㎡ by employing wet method spunlace non-woven cloth manufacture craft.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0608460A1 (en) * | 1993-01-29 | 1994-08-03 | Lion Corporation | Water-decomposable non-woven fabric |
| JPH1143854A (en) * | 1997-07-22 | 1999-02-16 | Oji Paper Co Ltd | Hydrolyzable non-woven fabric and its production |
| CN203821053U (en) * | 2013-08-01 | 2014-09-10 | 杭州诺邦无纺股份有限公司 | Dispelling full-degraded spunlaced non-woven fabric |
| CN104562831A (en) * | 2014-12-31 | 2015-04-29 | 杭州诺邦无纺股份有限公司 | Full-degradable skin-care high-softness fine-denier cellulose spunlace wet tissue material and production method for wet tissue |
| CN104762749A (en) * | 2015-03-19 | 2015-07-08 | 杭州诺邦无纺股份有限公司 | Water-dispersed full-degradable regenerated non-woven fabric |
-
2015
- 2015-12-17 CN CN201510951512.0A patent/CN105442179B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0608460A1 (en) * | 1993-01-29 | 1994-08-03 | Lion Corporation | Water-decomposable non-woven fabric |
| JPH1143854A (en) * | 1997-07-22 | 1999-02-16 | Oji Paper Co Ltd | Hydrolyzable non-woven fabric and its production |
| CN203821053U (en) * | 2013-08-01 | 2014-09-10 | 杭州诺邦无纺股份有限公司 | Dispelling full-degraded spunlaced non-woven fabric |
| CN104562831A (en) * | 2014-12-31 | 2015-04-29 | 杭州诺邦无纺股份有限公司 | Full-degradable skin-care high-softness fine-denier cellulose spunlace wet tissue material and production method for wet tissue |
| CN104762749A (en) * | 2015-03-19 | 2015-07-08 | 杭州诺邦无纺股份有限公司 | Water-dispersed full-degradable regenerated non-woven fabric |
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