CN1004004B - 聚酯碎屑的解聚法 - Google Patents

聚酯碎屑的解聚法 Download PDF

Info

Publication number
CN1004004B
CN1004004B CN85106299.7A CN85106299A CN1004004B CN 1004004 B CN1004004 B CN 1004004B CN 85106299 A CN85106299 A CN 85106299A CN 1004004 B CN1004004 B CN 1004004B
Authority
CN
China
Prior art keywords
depolymerization
bht
polyester
glycol
molten
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
Application number
CN85106299.7A
Other languages
English (en)
Chinese (zh)
Other versions
CN85106299A (zh
Inventor
藤田昭春
佐藤美奈子
村上雅茂
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.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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
Priority to JP59104482A priority Critical patent/JPS60248646A/ja
Priority to US06/735,837 priority patent/US4609680A/en
Priority to EP19850303572 priority patent/EP0174062A3/en
Priority to KR1019850003586A priority patent/KR850008352A/ko
Application filed by Toray Industries Inc filed Critical Toray Industries Inc
Priority to CN85106299.7A priority patent/CN1004004B/zh
Publication of CN85106299A publication Critical patent/CN85106299A/zh
Publication of CN1004004B publication Critical patent/CN1004004B/zh
Expired legal-status Critical Current

Links

Images

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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
    • 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)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Sustainable Development (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CN85106299.7A 1984-05-25 1985-08-21 聚酯碎屑的解聚法 Expired CN1004004B (zh)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP59104482A JPS60248646A (ja) 1984-05-25 1984-05-25 ポリエステル屑の解重合方法
US06/735,837 US4609680A (en) 1984-05-25 1985-05-20 Process for the depolymerization of polyester scrap
EP19850303572 EP0174062A3 (en) 1984-05-25 1985-05-21 Process for the depolymerization of polyester scrap
KR1019850003586A KR850008352A (ko) 1984-05-25 1985-05-24 폴리에스테르 부스러기(屑)의 해중합(解重合)방법
CN85106299.7A CN1004004B (zh) 1984-05-25 1985-08-21 聚酯碎屑的解聚法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP59104482A JPS60248646A (ja) 1984-05-25 1984-05-25 ポリエステル屑の解重合方法
CN85106299.7A CN1004004B (zh) 1984-05-25 1985-08-21 聚酯碎屑的解聚法

Publications (2)

Publication Number Publication Date
CN85106299A CN85106299A (zh) 1987-02-18
CN1004004B true CN1004004B (zh) 1989-04-26

Family

ID=76224748

Family Applications (1)

Application Number Title Priority Date Filing Date
CN85106299.7A Expired CN1004004B (zh) 1984-05-25 1985-08-21 聚酯碎屑的解聚法

Country Status (5)

Country Link
US (1) US4609680A (cg-RX-API-DMAC7.html)
EP (1) EP0174062A3 (cg-RX-API-DMAC7.html)
JP (1) JPS60248646A (cg-RX-API-DMAC7.html)
KR (1) KR850008352A (cg-RX-API-DMAC7.html)
CN (1) CN1004004B (cg-RX-API-DMAC7.html)

Families Citing this family (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5236959A (en) * 1992-03-12 1993-08-17 Hoechst Celanese Corporation Process for recycling polyester/cotton blends
US5223544A (en) * 1992-03-31 1993-06-29 Shell Oil Company Process for the removal of foreign materials from a post-consumer plyethylene terephthalate feed stream
JPH09510245A (ja) * 1994-03-11 1997-10-14 モンサント・カンパニー 難燃性再利用ポリエステル組成物
US5710315A (en) * 1994-05-27 1998-01-20 E. I. Du Pont De Nemours And Company Monomer recovery process for contaminated polymers
US5532404A (en) * 1994-05-27 1996-07-02 E. I. Du Pont De Nemours And Company Monomer recovery process for contaminated polymers
US5635584A (en) * 1995-12-07 1997-06-03 Eastman Chemical Company Process including glycolysis and subsequent purification for recycling polyester materials
US5559159A (en) * 1995-12-07 1996-09-24 Eastman Chemical Company Process including depolymerization in polyester reactor for recycling polyester materials
DE19643479B4 (de) * 1996-10-22 2006-04-20 Zimmer Ag Verfahren zur Herstellung von Polyethylenterephthalat aus Polyethylenterephthalat-Abfall
WO2004087627A1 (ja) * 1997-11-14 2004-10-14 Nobuo Ishihara ポリエステルの分解方法及びポリエステルのモノマー化装置
US6410607B1 (en) 1999-02-10 2002-06-25 Eastman Chemical Company Glycolysis process for recycling of post-consumer pet
FR2825701B1 (fr) * 2001-06-08 2003-09-12 Ct D Etudes Sur Le Recyclage D Procede de synthese de diols par alcoolyse de polyesters en milieu fondu en reacteur discontinu ou continu, application au recyclage des polyesters
KR100430627B1 (ko) * 2001-07-10 2004-05-10 주식회사 코오롱 알칼리 이용성 폴리에스테르의 제조방법
CN1273524C (zh) * 2001-10-16 2006-09-06 帝人株式会社 Pet瓶的再循环方法
US20030134915A1 (en) * 2001-12-17 2003-07-17 Scantlebury Geoffrey Raymond Production of transparent polyester using waste
EP1457479A4 (en) * 2001-12-18 2006-01-25 Aies Co Ltd METHOD FOR THE DEHALATION OF A SOLUTION OBTAINED BY POLYESTER DECOMPOSITION WITH ETHYLENE GLYCOL
MXPA05009111A (es) * 2003-02-27 2006-01-27 Petrecycle Ltd Metodo para la descontaminacion de tereftalato de polietileno.
US7297721B2 (en) * 2003-06-20 2007-11-20 Futura Polyesters Limited Process for controlled polymerization of a mixed polymer
US7812077B2 (en) * 2003-12-17 2010-10-12 Sabic Innovative Plastics Ip B.V. Polyester compositions, method of manufacture, and uses thereof
US8067493B2 (en) * 2003-12-30 2011-11-29 Sabic Innovative Plastics Ip B.V. Polymer compositions, method of manufacture, and articles formed therefrom
US7807745B2 (en) * 2006-01-27 2010-10-05 Sabic Innovative Plastics Ip B.V. Molding compositions containing polycarbonate and modified polybutylene terephthalate (PBT) random copolymers derived from polyethylene terephthalate (PET)
WO2005092963A1 (en) * 2004-03-26 2005-10-06 Do Gyun Kim Recycled method for a wasted polymer which is mixed polyester polyamide and reclaimed materials thereof
EP1994072A2 (en) * 2006-01-27 2008-11-26 General Electric Company Molding compositions containing polyalkylene terephthalates and modified polybutylene terephthalate (pbt) random copolymers derived from pet
US7902264B2 (en) * 2006-01-27 2011-03-08 Sabic Innovative Plastics Ip B.V. Polytrimethylene terephthalate (PTT) derived from polyethylene terephthalate (PET) and containing PET residues
US7902263B2 (en) * 2006-01-27 2011-03-08 Sabic Innovative Plastics Ip B.V. Process for making polybutylene terephthalate (PBT) from polyethylene terephthalate (PET)
US8680167B2 (en) * 2006-01-27 2014-03-25 Sabic Innovative Plastics Ip B.V. Molding compositions containing fillers and modified polybutylene terephthalate (PBT) random copolymers derived from polyethylene terephthalate (PET)
US7935737B2 (en) * 2006-01-27 2011-05-03 Sabic Innovative Plastics Ip B.V. Articles derived from compositions containing modified polybutylene terephthalate (PBT) random copolymers derived from polyethylene terephthalate (PET)
US7923506B2 (en) * 2006-01-27 2011-04-12 Sabic Innovative Plastics Ip B.V. Molding compositions containing modified polybutylene terephthalate (PBT) random copolymers derived from polyethylene terephthalate (PET)
US7799836B2 (en) * 2006-03-01 2010-09-21 Sabic Innovative Plastics Ip B.V. Process for making polybutylene terephthalate (PBT) from polyethylene terephthalate (PET)
US8309656B2 (en) 2006-07-26 2012-11-13 Sabic Innovative Plastics Ip B.V. Elastomer blends containing polycarbonates and copolyetheresters derived from polyethylene terephthalate, method of manufacture, and articles therefrom
US7799838B2 (en) * 2006-07-26 2010-09-21 Sabic Innovative Plastics Ip B.V. Elastomer blends of polyesters and copolyetheresters derived from polyethylene terephthalate, method of manufacture, and articles therefrom
US7799892B2 (en) * 2008-05-02 2010-09-21 Sabic Innovative Plastics Ip B.V. Method of making polybutylene terephthalate and compositions and articles comprising the same
US7928150B2 (en) * 2008-05-06 2011-04-19 Sabic Innovative Plastics Ip B.V. Process for the manufacture of lonomeric polybutylene terephthalate from polyethylene terephthalate, and compositions and articles thereof
US20100168321A1 (en) * 2008-12-30 2010-07-01 Cahoon-Brister Kristen Poly(butylene terephthalate) compositions, methods of manufacture, and articles thereof
US20100168328A1 (en) * 2008-12-30 2010-07-01 Ganesh Kannan Process for the manufacture of polycyclohexane dimethylene terephthalate copolymers from polyethylene terephthalate, and compositions and articles thereof
US7910657B2 (en) * 2008-12-30 2011-03-22 Sabic Innovative Plastics Ip B.V. Process for the manufacture of polybutylene terephthalate copolymers from polyethylene terephthalate, and compositions and articles thereof
US8138244B2 (en) * 2008-12-30 2012-03-20 Sabic Innovative Plastics Ip B.V. Reinforced polyester compositions, method of manufacture, and articles thereof
US20100168317A1 (en) * 2008-12-30 2010-07-01 Cahoon-Brister Kristen Poly(butylene terephthalate) compositions, methods of manufacture, and articles thereof
KR101240338B1 (ko) 2010-04-19 2013-03-07 웅진케미칼 주식회사 폐폴리에스테르를 이용한 재생 폴리에스테르 단섬유 및 그 제조방법
US8716378B2 (en) 2010-06-29 2014-05-06 Sabic Innovative Plastics Ip B.V. Flame resistant polyester compositions, method of manufacture, and articles thereof
US8686072B2 (en) 2010-06-29 2014-04-01 Sabic Innovative Plastics Ip B.V. Flame resistant polyester compositions, method of manufacture, and articles therof
US9458354B2 (en) 2010-10-06 2016-10-04 Resinate Technologies, Inc. Polyurethane dispersions and methods of making and using same
KR101507696B1 (ko) 2011-06-10 2015-04-07 크리스토퍼 엠. 펠리체 투명 코팅, 아크릴 코팅
WO2013175497A1 (en) 2012-04-20 2013-11-28 Perpetual Global Technologies Limited Flakes of ester mixtures and methods for their production
CN102731760B (zh) * 2012-07-17 2014-03-26 龙福环能科技股份有限公司 一种将回收聚酯瓶片料熔体醇解后再聚合的方法
US9732026B2 (en) 2012-12-14 2017-08-15 Resinate Technologies, Inc. Reaction products containing hydroxyalkylterephthalates and methods of making and using same
US9255194B2 (en) 2013-10-15 2016-02-09 International Business Machines Corporation Methods and materials for depolymerizing polyesters
CN104710601B (zh) * 2015-01-23 2016-08-24 树业环保科技股份有限公司 废旧pet材料脱色回收制备高纯pet切片的方法及制品
US9815808B2 (en) 2016-02-29 2017-11-14 Regents Of The University Of Minnesota Recovery of monomer from polyurethane materials by depolymerization
JP2022552207A (ja) 2019-10-08 2022-12-15 イーストマン ケミカル カンパニー 再資源化含量を有する結晶化可能な反応器級樹脂のための触媒システム
JP7624442B2 (ja) 2019-10-25 2025-01-30 イーストマン ケミカル カンパニー リサイクルコポリエステルから製造されたコポリエステル
IT201900025039A1 (it) 2019-12-20 2021-06-20 Garbo S R L Processo per purificare il bis(2-idrossietil)tereftalato.
EP4129627A4 (en) 2020-03-31 2024-04-10 Unitika Ltd. BIAXIALLY STRETCHED POLYESTER RESIN FILM AND METHOD FOR MANUFACTURING SUCH A FILM
CN115443304A (zh) * 2020-04-13 2022-12-06 伊士曼化工公司 化学回收着色塑料混合物
CA3174911A1 (en) 2020-04-13 2021-10-21 Bruce Roger Debruin Chemical recycling of plastic dry fines
US11814492B2 (en) 2020-12-02 2023-11-14 International Business Machines Corporation Polyester recycling process with pre-reaction purification
JP2023027592A (ja) * 2021-08-17 2023-03-02 ユニチカ株式会社 再生ポリエステル樹脂及び再生ポリエステル樹脂の製造方法
JP2023028055A (ja) * 2021-08-18 2023-03-03 ユニチカ株式会社 再生ポリエステル繊維
TW202330758A (zh) 2021-09-16 2023-08-01 美商賽克股份有限公司 從由廢棄材料解聚合所形成再生二酸形成聚酯之方法
DE102021212695A1 (de) 2021-11-11 2023-05-11 Thyssenkrupp Ag Vorrichtung und verfahren zur herstellung eines polyester-depolymerisats sowie vorrichtung und verfahren zur herstellung eines polyesters
WO2023217707A1 (en) 2022-05-10 2023-11-16 Polymetrix Ag Method for the preparation of a polyester
EP4276131A1 (en) 2022-05-10 2023-11-15 Polymetrix AG Method for the preparation of a polyester
IT202200016851A1 (it) 2022-08-05 2024-02-05 Chempet Srl Processo per purificare bis(2-idrossietil)tereftalato ottenuto da depolimerizzazione di rifiuti contenenti polietilene tereftalato.
ES2987874T3 (es) 2022-09-20 2024-11-18 Revalyu Resources Gmbh Proceso para reciclar tereftalato de polietileno utilizando una materia prima seleccionada
EP4342939B1 (en) 2022-09-20 2024-07-10 revalyu Resources GmbH Process for recycling polyethylene terephthalate using porous particulated filter material
EP4342942B1 (en) 2022-09-20 2024-07-10 revalyu Resources GmbH Process for recycling polyethylene terephthalate determined by intrinsic viscosity of polyethylene terephthalate
ES2987865T3 (es) 2022-09-20 2024-11-18 Revalyu Resources Gmbh Proceso para reciclar tereftalato de polietileno utilizando coordenadas de color específicas para el procesamiento de oligómeros
ES2987877T3 (es) 2022-09-20 2024-11-18 Revalyu Resources Gmbh Proceso para reciclar tereftalato de polietileno utilizando diferentes niveles de monoetilenglicol
EP4342946B1 (en) 2022-09-20 2024-07-17 revalyu Resources GmbH Process for recycling polyethylene terephthalate using a washing reactor
US12401563B2 (en) 2023-01-08 2025-08-26 Keysight Technologies, Inc. Methods, systems, and computer readable media for detecting network service anomalies
SE546629C2 (en) * 2023-06-30 2025-01-02 Rewin Textiles AB Process and system for mixed fabric rejuvination
EP4549486A1 (en) 2023-10-31 2025-05-07 Polymetrix AG Monomer recycling of polyesters

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB610136A (en) * 1946-03-28 1948-10-12 Royden Lewis Heath Degradation of aromatic linear polyesters
GB1052927A (cg-RX-API-DMAC7.html) * 1962-09-27
NL301426A (cg-RX-API-DMAC7.html) * 1962-12-06
NL128500C (cg-RX-API-DMAC7.html) * 1963-11-12 1900-01-01
GB1221657A (en) * 1967-06-29 1971-02-03 Agfa Gevaert Nv Preparation of moulding material starting from polyethylene terepthalate
US3884850A (en) * 1970-02-13 1975-05-20 Fiber Industries Inc Continuous atmospheric depolymerization of polyester
JPS5027510B2 (cg-RX-API-DMAC7.html) * 1971-12-03 1975-09-08
US4439549A (en) * 1982-11-22 1984-03-27 Texaco Inc. Novel aromatic polyester polyol mixtures made from polyethylene terephthalate residues and alkylene oxides
US4485196A (en) * 1983-09-26 1984-11-27 Texaco Inc. Liquid phase polyols which are alkylene oxide adducts of terephthalic esters from recycled polyethylene terephthalate

Also Published As

Publication number Publication date
EP0174062A3 (en) 1987-05-27
JPH0331190B2 (cg-RX-API-DMAC7.html) 1991-05-02
KR850008352A (ko) 1985-12-16
CN85106299A (zh) 1987-02-18
EP0174062A2 (en) 1986-03-12
JPS60248646A (ja) 1985-12-09
US4609680A (en) 1986-09-02

Similar Documents

Publication Publication Date Title
CN1004004B (zh) 聚酯碎屑的解聚法
US5559159A (en) Process including depolymerization in polyester reactor for recycling polyester materials
US7297721B2 (en) Process for controlled polymerization of a mixed polymer
EP1227075B1 (en) Method for separating and recovering dimethyl terephthalate and ethylene glycol from polyester waste
US5266601A (en) Process for preparing polybutylene terephthalate from pet scrap
US5869543A (en) Process for the synthesis of polyethylene carboxylate from polyethylene carboxylate waste
EP1462469B1 (en) Amorphous polyester chip and method for production thereof, and method for storage of amorphous polyester chip
EP3854839A1 (en) Polyester-based film, and method for recycling polyester-based container using same
CN111363131B (zh) 一种低羧基含量的生物降解脂肪-芳香共聚酯及其连续化制备方法
US5331066A (en) Process for producing polyester ether copolymer
CN114524924A (zh) 再生聚酯及其制备方法和应用
JP2003119316A (ja) Ｐｅｔボトルのリサイクル方法
US4271287A (en) Process for the continuous polymerization of polyethylene terephthalate in the solid phase
Datye et al. Poly (ethylene terephthalate) waste and its utilisation: A review
CN1003646B (zh) 以环氧树脂和羧基聚酯为主要成分的粉末涂料的制备方法
JP2004256819A (ja) 非晶性ポリエステルチップ及びその製造方法、並びに、非晶性ポリエステルチップの保存方法
EP0414009B1 (en) Reduction of acidity of polyesters by melt reaction endcapping with dialkyloxalate
JP3264976B2 (ja) ４，４’−ビフェノールの製造方法
CN113307954A (zh) 一种低能耗、高效益的废旧聚酯化学循环利用方法
US3655729A (en) Process for preparing esters of terephthalic acid
EP0414008A2 (en) Reduction of acidity of polyesters by melt reaction endcapping with enamines or schiff bases
CN106431897A (zh) 一种2,4,6‑三甲基苯乙酰氯的新合成工艺
JPH10101784A (ja) スクラップ利用ポリエステルの製造法
US4394286A (en) Partially hydrolyzed, DMT process residue, and useful propylene oxide derivative thereof
JPH07118208A (ja) テレフタル酸のエステル化方法

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
C13 Decision
GR02 Examined patent application
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee