DE69419853D1 - Verfahren zur Rückgewinnung von bis-hydroxyaromatischen und bis-arylcarbonaten Verbindungen ausgehend von Abfällen von aromatischer Polycarbonaten - Google Patents

Verfahren zur Rückgewinnung von bis-hydroxyaromatischen und bis-arylcarbonaten Verbindungen ausgehend von Abfällen von aromatischer Polycarbonaten

Info

Publication number
DE69419853D1
DE69419853D1 DE69419853A DE69419853A DE69419853D1 DE 69419853 D1 DE69419853 D1 DE 69419853D1 DE 69419853 A DE69419853 A DE 69419853A DE 69419853 A DE69419853 A DE 69419853A DE 69419853 D1 DE69419853 D1 DE 69419853D1
Authority
DE
Germany
Prior art keywords
bis
arylcarbonate
hydroxyaromatic
wastes
recovery
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69419853A
Other languages
English (en)
Other versions
DE69419853T2 (de
DE69419853T4 (de
Inventor
Sheldon Jay Shafer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of DE69419853D1 publication Critical patent/DE69419853D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
    • C07C37/74—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/01—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis
    • C07C37/055—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis the substituted group being bound to oxygen, e.g. ether group
    • C07C37/0555—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis the substituted group being bound to oxygen, e.g. ether group being esterified hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C68/00—Preparation of esters of carbonic or haloformic acids
    • C07C68/06—Preparation of esters of carbonic or haloformic acids from organic carbonates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/18—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
    • C08J11/22—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds
    • C08J11/24—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds containing hydroxyl groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2369/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling
DE69419853A 1993-09-07 1994-08-25 Verfahren zur Rückgewinnung von bis-hydroxyaromatischen und bis-arylcarbonaten Verbindungen ausgehend von Abfällen von aromatischer Polycarbonaten Expired - Fee Related DE69419853D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/116,631 US5336814A (en) 1993-09-07 1993-09-07 Method for recovering bis hydroxy aromatic organic values and bis aryl carbonate values from scrap aromatic polycarbonate

Publications (1)

Publication Number Publication Date
DE69419853D1 true DE69419853D1 (de) 1999-09-09

Family

ID=22368333

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69419853A Expired - Fee Related DE69419853D1 (de) 1993-09-07 1994-08-25 Verfahren zur Rückgewinnung von bis-hydroxyaromatischen und bis-arylcarbonaten Verbindungen ausgehend von Abfällen von aromatischer Polycarbonaten
DE69419853T Expired - Lifetime DE69419853T4 (de) 1993-09-07 1994-08-25 Verfahren zur Rückgewinnung von bis-hydroxyaromatischen und bis-arylcarbonaten Verbindungen ausgehend von Abfällen von aromatischer Polycarbonaten

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69419853T Expired - Lifetime DE69419853T4 (de) 1993-09-07 1994-08-25 Verfahren zur Rückgewinnung von bis-hydroxyaromatischen und bis-arylcarbonaten Verbindungen ausgehend von Abfällen von aromatischer Polycarbonaten

Country Status (6)

Country Link
US (1) US5336814A (de)
EP (1) EP0641758B1 (de)
JP (1) JPH07196582A (de)
CN (1) CN1103062A (de)
DE (2) DE69419853D1 (de)
ES (1) ES2133490T3 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5567829A (en) * 1995-04-17 1996-10-22 General Electric Company Method for recovering phenol and xanthene values from waste polycarbonate
US5675044A (en) * 1996-07-01 1997-10-07 General Electric Company Process for recovery of bisphenol-A from thermoplastic polymer containing dihydric phenol units
EP1439158A4 (de) * 2001-10-26 2005-01-05 Teijin Ltd Verfahren zur depolymerisierung von aromatischem polycarbonat
KR101016525B1 (ko) * 2003-10-10 2011-02-24 엘지디스플레이 주식회사 수평전계방식 액정표시소자
JP4575051B2 (ja) * 2004-07-07 2010-11-04 帝人化成株式会社 廃芳香族ポリカーボネートから芳香族ジヒドロキシ化合物を得る方法
JP4575074B2 (ja) * 2004-08-05 2010-11-04 帝人化成株式会社 廃芳香族ポリカーボネートから芳香族ジヒドロキシ化合物を得る方法
JP4567397B2 (ja) * 2004-08-12 2010-10-20 帝人化成株式会社 廃芳香族ポリカーボネートから芳香族ジヒドロキシ化合物を得る方法
JP4575082B2 (ja) * 2004-08-12 2010-11-04 帝人化成株式会社 廃芳香族ポリカーボネートから芳香族ジヒドロキシ化合物を得る方法
US9328046B2 (en) 2013-10-15 2016-05-03 Saudi Basic Industries Corporation Method for direct ammonolysis of polycarbonate-containing materials and products
CN105037793A (zh) * 2015-07-03 2015-11-11 高鼎精细化工(昆山)有限公司 聚碳酸酯回收制备二元醇化合物及聚胺基甲酸酯的方法
KR102472219B1 (ko) * 2015-12-03 2022-11-29 사빅 글로벌 테크놀러지스 비.브이. 방향족 알코올을 용융 중합으로부터 회수하는 방법 및 이를 회수하기 위한 시스템
CN116368098A (zh) 2020-10-30 2023-06-30 三菱化学株式会社 双酚的制法、再生聚碳酸酯树脂的制法、二氧化碳的制法、碳酸二酯的制法、环氧树脂的制法及环氧树脂固化物的制法
CN113480411B (zh) * 2021-06-18 2024-03-08 北京市农林科学院 一种聚碳酸酯类微塑料的解聚方法及其电化学检测方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD46353A (de) *
US2791616A (en) * 1953-09-29 1957-05-07 Shell Dev Production of bis hydroxyaryl substituted compounds
DD45600A1 (de) * 1963-02-07 1966-05-16
NL7503609A (nl) * 1975-03-26 1976-09-28 Lely Nv C Van Der Inrichting voor het verspreiden van korrelig- - en/of poedervormig materiaal.
DE2737693A1 (de) * 1977-08-20 1979-02-22 Bayer Ag Wiedergewinnung hochwertiger polycarbonate aus polycarbonat-abfaellen
US4478510A (en) * 1981-12-16 1984-10-23 Canon Kabushiki Kaisha Cleaning device for modulation control means
US4605762A (en) * 1982-04-23 1986-08-12 Celanese Mexicana S.A. Depolymerization of condensation polymers
US4885407A (en) * 1988-07-11 1989-12-05 General Electric Company Method for recovering a dihydric phenol from a scrap polyester
US5045122A (en) * 1989-12-14 1991-09-03 Eastman Kodak Company Ester hydrolysis and depolymerization of polyester and polycarbonate polymers
DE4141954A1 (de) * 1991-12-19 1993-06-24 Bayer Ag Verfahren zum spalten von polycarbonaten
DE4220412C2 (de) * 1992-06-22 1995-12-07 Bayer Ag Verfahren zum Spalten von Polycarbonaten in Bisphenole und Diarylcarbonate

Also Published As

Publication number Publication date
CN1103062A (zh) 1995-05-31
DE69419853T2 (de) 2000-03-16
DE69419853T4 (de) 2000-06-15
JPH07196582A (ja) 1995-08-01
US5336814A (en) 1994-08-09
EP0641758A2 (de) 1995-03-08
ES2133490T3 (es) 1999-09-16
EP0641758B1 (de) 1999-08-04
EP0641758A3 (de) 1995-05-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee