DE69720579D1 - Verfahren zur Depolymerisation von Polyestern - Google Patents

Verfahren zur Depolymerisation von Polyestern

Info

Publication number
DE69720579D1
DE69720579D1 DE69720579T DE69720579T DE69720579D1 DE 69720579 D1 DE69720579 D1 DE 69720579D1 DE 69720579 T DE69720579 T DE 69720579T DE 69720579 T DE69720579 T DE 69720579T DE 69720579 D1 DE69720579 D1 DE 69720579D1
Authority
DE
Germany
Prior art keywords
depolymerization
polyesters
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 - Lifetime
Application number
DE69720579T
Other languages
English (en)
Other versions
DE69720579T2 (de
Inventor
Daniel Joseph Brunelle
Judith Ann Serth-Guzzo
Ganesh Kailasam
Paul Russell Wilson
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.)
Cyclics Corp
Original Assignee
Cyclics Corp
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 Cyclics Corp filed Critical Cyclics Corp
Publication of DE69720579D1 publication Critical patent/DE69720579D1/de
Application granted granted Critical
Publication of DE69720579T2 publication Critical patent/DE69720579T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C08J11/18—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
    • 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
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
DE1997620579 1996-03-20 1997-01-17 Verfahren zur Depolymerisation von Polyestern Expired - Lifetime DE69720579T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/618,742 US5668186A (en) 1996-03-20 1996-03-20 Process for depolymerizing polyesters

Publications (2)

Publication Number Publication Date
DE69720579D1 true DE69720579D1 (de) 2003-05-15
DE69720579T2 DE69720579T2 (de) 2003-11-20

Family

ID=24478954

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1997620579 Expired - Lifetime DE69720579T2 (de) 1996-03-20 1997-01-17 Verfahren zur Depolymerisation von Polyestern

Country Status (5)

Country Link
US (1) US5668186A (de)
EP (1) EP0798336B1 (de)
JP (1) JP3715056B2 (de)
DE (1) DE69720579T2 (de)
ES (1) ES2193328T3 (de)

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US6127436A (en) * 1998-10-26 2000-10-03 Sun Chemical Corporation Reclaimed poly (ethylene terephthalate) coating
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US6906147B2 (en) * 2002-03-20 2005-06-14 Cyclics Corporation Catalytic systems
US7151143B2 (en) * 2000-01-21 2006-12-19 Cyclics Corporation Blends containing macrocyclic polyester oligomer and high molecular weight polymer
US6960626B2 (en) 2000-01-21 2005-11-01 Cyclics Corporation Intimate physical mixtures containing macrocyclic polyester oligomer and filler
US6420047B2 (en) 2000-01-21 2002-07-16 Cyclics Corporation Macrocyclic polyester oligomers and processes for polymerizing the same
US6525164B2 (en) * 2000-09-01 2003-02-25 Cyclics Corporation Methods for converting linear polyesters to macrocyclic oligoester compositions and macrocyclic oligoesters
US7750109B2 (en) 2000-09-01 2010-07-06 Cyclics Corporation Use of a residual oligomer recyclate in the production of macrocyclic polyester oligomer
US7767781B2 (en) 2000-09-01 2010-08-03 Cyclics Corporation Preparation of low-acid polyalkylene terephthalate and preparation of macrocyclic polyester oligomer therefrom
US6436548B1 (en) 2000-09-12 2002-08-20 Cyclics Corporation Species modification in macrocyclic polyester oligomers, and compositions prepared thereby
US6646134B2 (en) 2001-02-28 2003-11-11 E. I. Du Pont De Nemours And Company Manufacture of cyclic ester oligomers
JP2002284925A (ja) * 2001-03-23 2002-10-03 Matsushita Electric Ind Co Ltd 硬化樹脂の再生方法
US6420048B1 (en) 2001-06-05 2002-07-16 Cyclics Corporation High molecular weight copolyesters from macrocyclic oligoesters and cyclic esters
DE60226789D1 (de) 2001-06-27 2008-07-03 Cyclics Corp Formgebende Verarbeitung von makrozyklischen Oligoestern
US6436549B1 (en) 2001-07-16 2002-08-20 Cyclics Corporation Block copolymers from macrocyclic oligoesters and dihydroxyl-functionalized polymers
US6787632B2 (en) 2001-10-09 2004-09-07 Cyclics Corporation Organo-titanate catalysts for preparing pure macrocyclic oligoesters
US6831138B2 (en) 2002-01-07 2004-12-14 Cyclics Corporation Polymer-containing organo-metal catalysts
US6890703B2 (en) * 2002-03-06 2005-05-10 International Business Machines Corporation Preparation of crosslinked particles from polymers having activatible crosslinking groups
US20040106713A1 (en) * 2002-12-03 2004-06-03 Avakian Roger W. Use of additives in compounds containing macrocyclic poly(alkylene dicarboxylate) oligomers
CA2510156A1 (en) * 2002-12-20 2004-07-15 Dow Global Technologies Inc. Polymerized macrocyclic oligomer nanocomposite compositions
US6962968B2 (en) 2002-12-20 2005-11-08 Cyclics Corporation Purification of macrocyclic oligoesters
BR0317203A (pt) * 2002-12-23 2005-11-01 Dow Global Technologies Inc Método de moldagem de compostos de moldagem em folha
US7351769B2 (en) * 2004-01-26 2008-04-01 Freudenberg-Nok General Partnership Dynamic vulcanization of elastomers with in-situ polymerization
DE602005009860D1 (de) 2004-11-09 2008-10-30 Du Pont Polymerisation von makrocyclischen polyesteroligomeren bei erhöhter temperatur mit seltenerdelement-katalysatoren
US7488772B2 (en) * 2004-11-09 2009-02-10 E.I. Du Pont De Nemours And Company Polymerization of macrocyclic polyester oligomers using N-heterocyclic carbene and metal amide or metal alkoxide catalyst
US20060128935A1 (en) * 2004-11-09 2006-06-15 Wilson Tam Manufacture of macrocyclic polyester oligomers
US20060205856A1 (en) 2004-12-22 2006-09-14 Williamson David T Compositions of polyesters and sepiolite-type clays
US20060141183A1 (en) * 2004-12-22 2006-06-29 Williamson David T Polyester clay nanocomposites for barrier applications
TWI323737B (en) * 2005-03-01 2010-04-21 Asahi Kasei Chemicals Corp Method for producing thermoplastic polymer solution
US7732557B2 (en) * 2005-03-25 2010-06-08 Cyclics Corporation Methods for removing catalyst residue from a depolymerization process stream
US7541422B2 (en) 2005-06-07 2009-06-02 E. I. Du Pont De Nemours And Company Enzyme-catalyzed process for the preparation of macrocyclic polyester oligomers
RU2404204C2 (ru) * 2005-08-05 2010-11-20 Тейдзин Файберз Лимитед Способ извлечения полезных компонентов из окрашенного полиэфирного волокна
WO2007070064A1 (en) * 2005-12-15 2007-06-21 Kimberly - Clark Worldwide, Inc. Biodegradable multicomponent fibers
MX2008012848A (es) 2006-04-07 2008-10-13 Kimberly Clark Co Laminado no tejido biodegradable.
KR20090012343A (ko) 2006-05-31 2009-02-03 이 아이 듀폰 디 네모아 앤드 캄파니 폴리아미드 블록 공중합체의 제법
EP2041346B1 (de) 2006-07-14 2011-12-21 Kimberly-Clark Worldwide, Inc. Biologisch abbaubare polymilchsäure zur verwendung in vliesstoffen
EP2044251B1 (de) 2006-07-14 2019-10-02 NatureWorks LLC Biologisch abbaubarer aliphatischer polyester zur verwendung in vliesstoffen
EP2041341B1 (de) 2006-07-14 2010-11-03 Kimberly-Clark Worldwide, Inc. Biologisch abbaubarer aliphatisch-aromatischer copolyester zur verwendung in vliesstoffen
JP2008038008A (ja) * 2006-08-04 2008-02-21 Hitachi Chem Co Ltd 環状構造高分子及びそれを含む樹脂組成物
US20080300355A1 (en) * 2006-08-25 2008-12-04 Ticona, Llc Process For Forming Improved Fiber Reinforced Composites and Composites Therefrom
US8470222B2 (en) 2008-06-06 2013-06-25 Kimberly-Clark Worldwide, Inc. Fibers formed from a blend of a modified aliphatic-aromatic copolyester and thermoplastic starch
US8841386B2 (en) 2008-06-10 2014-09-23 Kimberly-Clark Worldwide, Inc. Fibers formed from aromatic polyester and polyether copolymer
US8071677B2 (en) * 2008-12-12 2011-12-06 E. I. Du Pont De Nemours And Company Process for preparing polyester composite materials
US8921487B2 (en) 2009-06-19 2014-12-30 Polyone Corporation Oxygen scavenging terpolymers
US8829152B2 (en) 2011-02-23 2014-09-09 Liquid Thermo Plastics, Inc. Methods for preparation of macrocyclic polyester oligomer via heterogeneous catalysis
WO2013177266A1 (en) 2012-05-25 2013-11-28 Polyone Corporation Oxygen scavenging copolymers made from cyclic aliphatic monomers
WO2014160317A1 (en) 2013-03-13 2014-10-02 Liquid Thermo Plastics, Inc. Methods for preparation of polyester oligomer via base catalysis
WO2015069662A1 (en) 2013-11-06 2015-05-14 The Board Of Trustees Of The Leland Stanford Junior University Methods for modifying a hydrophobic polymer surface and devices thereof
US9550713B1 (en) 2015-07-09 2017-01-24 Loop Industries, Inc. Polyethylene terephthalate depolymerization
US9815808B2 (en) 2016-02-29 2017-11-14 Regents Of The University Of Minnesota Recovery of monomer from polyurethane materials by depolymerization
US10252976B1 (en) 2017-09-15 2019-04-09 9449710 Canada Inc. Terephthalic acid esters formation
EA202190121A1 (ru) 2018-06-25 2021-06-07 9449710 Канада Инк. Получение сложных эфиров терефталевой кислоты
US11248103B2 (en) 2019-03-20 2022-02-15 9449710 Canada Inc. Process for the depolymerization of polyethylene terephthalate (PET)
US11203702B1 (en) 2019-10-17 2021-12-21 National Technology & Engineering Solutions Of Sandia, Llc Functionalized coating polymers and uses thereof
WO2022060153A1 (ko) * 2020-09-18 2022-03-24 한국화학연구원 에스테르 작용기를 포함하는 고분자의 해중합 촉매 및 이를 이용한 해중합 방법
JP2024514136A (ja) * 2021-04-12 2024-03-28 コリア リサーチ インスティチュート オブ ケミカル テクノロジー テレフタル酸ジメチルのエステル交換反応によるテレフタレート誘導体の製造方法
KR102452867B1 (ko) * 2022-01-06 2022-10-11 한국화학연구원 디메틸테레프탈레이트의 에스테르 교환 반응에 의한 테레프탈레이트 유도체 제조 방법
KR102452871B1 (ko) * 2021-04-12 2022-10-11 한국화학연구원 디메틸테레프탈레이트로부터 비스-(2-하이드록시에틸) 테레프탈레이트 생성하는 방법 및 이에 의한 에스테르 작용기를 포함하는 고분자의 효율적 해중합 방법
CN113735817B (zh) * 2021-11-02 2022-01-11 苏州大学 一种脂肪族环状低聚酯的制备方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1077893A1 (ru) * 1981-11-27 1984-03-07 Всесоюзный научно-исследовательский институт синтетических и натуральных душистых веществ Способ получени макроциклических диэфиров
US5371112A (en) * 1992-01-23 1994-12-06 The Sherwin-Williams Company Aqueous coating compositions from polyethylene terephthalate
US5407984A (en) * 1994-08-31 1995-04-18 General Electric Company Process for preparing macrocyclic polyester oligomers

Also Published As

Publication number Publication date
JPH09296036A (ja) 1997-11-18
DE69720579T2 (de) 2003-11-20
US5668186A (en) 1997-09-16
EP0798336A2 (de) 1997-10-01
ES2193328T3 (es) 2003-11-01
JP3715056B2 (ja) 2005-11-09
EP0798336B1 (de) 2003-04-09
EP0798336A3 (de) 1997-12-29

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Legal Events

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