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DE68908041D1 - Verfahren zur wiedergewinnung des dihydroxyphenols aus polyesterabfall. - Google Patents

Verfahren zur wiedergewinnung des dihydroxyphenols aus polyesterabfall.

Info

Publication number
DE68908041D1
DE68908041D1 DE8989111590T DE68908041T DE68908041D1 DE 68908041 D1 DE68908041 D1 DE 68908041D1 DE 8989111590 T DE8989111590 T DE 8989111590T DE 68908041 T DE68908041 T DE 68908041T DE 68908041 D1 DE68908041 D1 DE 68908041D1
Authority
DE
Germany
Prior art keywords
dihydroxyphenol
recovery
polyester waste
polyester
waste
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
DE8989111590T
Other languages
English (en)
Other versions
DE68908041T2 (de
Inventor
Daniel Wayne Fox
Edward Norman Peters
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
Publication of DE68908041D1 publication Critical patent/DE68908041D1/de
Application granted granted Critical
Publication of DE68908041T2 publication Critical patent/DE68908041T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C08J11/16—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 inorganic material
    • 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
    • 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
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE89111590T 1988-07-11 1989-06-26 Verfahren zur Wiedergewinnung des Dihydroxyphenols aus Polyesterabfall. Expired - Fee Related DE68908041T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/217,026 US4885407A (en) 1988-07-11 1988-07-11 Method for recovering a dihydric phenol from a scrap polyester

Publications (2)

Publication Number Publication Date
DE68908041D1 true DE68908041D1 (de) 1993-09-09
DE68908041T2 DE68908041T2 (de) 1994-03-31

Family

ID=22809380

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89111590T Expired - Fee Related DE68908041T2 (de) 1988-07-11 1989-06-26 Verfahren zur Wiedergewinnung des Dihydroxyphenols aus Polyesterabfall.

Country Status (5)

Country Link
US (1) US4885407A (de)
EP (1) EP0355319B1 (de)
JP (1) JPH0625086B2 (de)
CA (1) CA1312628C (de)
DE (1) DE68908041T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2633612B1 (fr) * 1988-06-29 1991-03-08 Rhone Poulenc Chimie Procede de purification de dihydroxybiphenyles
US5336814A (en) * 1993-09-07 1994-08-09 General Electric Company Method for recovering bis hydroxy aromatic organic values and bis aryl carbonate values from scrap aromatic 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
US5705714A (en) * 1996-07-01 1998-01-06 General Electric Company Removal of metals and color bodies from chemically recycled bisphenol-A
JP2001302573A (ja) * 2000-04-27 2001-10-31 Victor Co Of Japan Ltd ポリカーボネート樹脂を主成分とする廃プラスチックからの有用物回収方法
DE10065087A1 (de) * 2000-12-23 2002-08-01 Werner Mormann Verfahren zur Gewinnung von Phenolen aus Kunststoffen
TW200536879A (en) 2004-02-12 2005-11-16 Teijin Ltd Method for decomposing polycarbonate
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
CN101166705A (zh) * 2005-04-20 2008-04-23 帝人化成株式会社 由废芳族聚碳酸酯得到芳族二羟基化合物的碱金属盐水溶液的方法
RU2500662C1 (ru) * 2012-11-06 2013-12-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования Уральский государственный лесотехнический университет Способ химической утилизации отходов поликарбонатов
US9328046B2 (en) 2013-10-15 2016-05-03 Saudi Basic Industries Corporation Method for direct ammonolysis of polycarbonate-containing materials and products
WO2021005470A1 (en) * 2019-07-05 2021-01-14 King Abdullah University Of Science And Technology Recovery and reuse of activators and initiators following polycarbonate synthesis

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2737693A1 (de) * 1977-08-20 1979-02-22 Bayer Ag Wiedergewinnung hochwertiger polycarbonate aus polycarbonat-abfaellen
US4623487A (en) * 1985-03-14 1986-11-18 E. I. Du Pont De Nemours & Company Process for recovery of fluorosurfactants

Also Published As

Publication number Publication date
CA1312628C (en) 1993-01-12
EP0355319A2 (de) 1990-02-28
JPH0267238A (ja) 1990-03-07
EP0355319A3 (de) 1991-07-31
DE68908041T2 (de) 1994-03-31
EP0355319B1 (de) 1993-08-04
US4885407A (en) 1989-12-05
JPH0625086B2 (ja) 1994-04-06

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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