IL106716A - Process for the preparation of monomeric terephthalic diesters and diols from polyesters - Google Patents

Process for the preparation of monomeric terephthalic diesters and diols from polyesters

Info

Publication number
IL106716A
IL106716A IL106716A IL10671693A IL106716A IL 106716 A IL106716 A IL 106716A IL 106716 A IL106716 A IL 106716A IL 10671693 A IL10671693 A IL 10671693A IL 106716 A IL106716 A IL 106716A
Authority
IL
Israel
Prior art keywords
diols
preparation
polyesters
diesters
terephthalic diesters
Prior art date
Application number
IL106716A
Other languages
English (en)
Other versions
IL106716A0 (en
Original Assignee
Hoechst Ag
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 Hoechst Ag filed Critical Hoechst Ag
Publication of IL106716A0 publication Critical patent/IL106716A0/xx
Publication of IL106716A publication Critical patent/IL106716A/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/16Dicarboxylic acids and dihydroxy compounds
    • C08G63/18Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
    • C08G63/181Acids containing aromatic rings
    • C08G63/183Terephthalic acids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/04Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing carboxylic acids or their salts
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/03Preparation of carboxylic acid esters by reacting an ester group with a hydroxy group
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2231/00Catalytic reactions performed with catalysts classified in B01J31/00
    • B01J2231/40Substitution reactions at carbon centres, e.g. C-C or C-X, i.e. carbon-hetero atom, cross-coupling, C-H activation or ring-opening reactions
    • B01J2231/49Esterification or transesterification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Steroid Compounds (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Tires In General (AREA)
IL106716A 1992-08-18 1993-08-17 Process for the preparation of monomeric terephthalic diesters and diols from polyesters IL106716A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4227299A DE4227299C1 (de) 1992-08-18 1992-08-18 Verfahren zur Herstellung von monomeren Terephthalsäurediestern und Diolen aus Polyestern

Publications (2)

Publication Number Publication Date
IL106716A0 IL106716A0 (en) 1993-12-08
IL106716A true IL106716A (en) 1997-06-10

Family

ID=6465793

Family Applications (1)

Application Number Title Priority Date Filing Date
IL106716A IL106716A (en) 1992-08-18 1993-08-17 Process for the preparation of monomeric terephthalic diesters and diols from polyesters

Country Status (27)

Country Link
US (1) US5481024A (ja)
EP (1) EP0583743B1 (ja)
JP (1) JPH06184053A (ja)
KR (1) KR940003915A (ja)
CN (1) CN1086206A (ja)
AT (1) ATE147718T1 (ja)
AU (1) AU660371B2 (ja)
BR (1) BR9303407A (ja)
CA (1) CA2104253A1 (ja)
CZ (1) CZ167593A3 (ja)
DE (2) DE4227299C1 (ja)
DK (1) DK0583743T3 (ja)
ES (1) ES2098603T3 (ja)
FI (1) FI933610A (ja)
GR (1) GR3022979T3 (ja)
HU (1) HUT64937A (ja)
IL (1) IL106716A (ja)
MA (1) MA22954A1 (ja)
MX (1) MX9304997A (ja)
MY (1) MY109890A (ja)
NO (1) NO180535C (ja)
NZ (1) NZ248411A (ja)
PL (1) PL300120A1 (ja)
RU (1) RU2103257C1 (ja)
TR (1) TR28586A (ja)
TW (1) TW250484B (ja)
ZA (1) ZA935996B (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5710315A (en) * 1994-05-27 1998-01-20 E. I. Du Pont De Nemours And Company Monomer recovery process for contaminated polymers
US5432203A (en) 1994-12-12 1995-07-11 Eastman Kodak Company Process of recovering components from polyester resins
US5744503A (en) * 1996-02-01 1998-04-28 Hoechst Celanese Corporation Recycling polyester and recovering glycols
CN1203037C (zh) * 1999-10-22 2005-05-25 帝人株式会社 从聚酯废料中分离和回收对苯二甲酸二甲酯和乙二醇的方法
RU2458946C2 (ru) * 2005-12-29 2012-08-20 Бп Корпорейшн Норт Америка Инк. Способ этанолиза поли(этилентерефталата) (пэт) с образованием диэтилентерефталата
GB201009969D0 (en) * 2010-06-15 2010-07-21 Ecosynth Bvba Transesterification process using mixed salt acetylacetonates catalysts
US9981902B2 (en) 2015-10-23 2018-05-29 Columbia Insurance Company Process for production of an ester and diol from reclaimed carpet material
CN112940344A (zh) 2015-11-20 2021-06-11 北卡罗来纳大学教堂山分校 采用微波辐射化学回收聚对苯二甲酸乙二醇酯
CN108004759B (zh) * 2017-12-21 2020-05-22 福建荔枝新材料有限公司 一种聚酯材料回收及利用激光进行表面处理方法
US20230014630A1 (en) * 2019-12-19 2023-01-19 Eastman Chemical Company Method for producing dimethyl terephthalate from polyester methanolysis depolymerization systems
EP4093814A1 (en) * 2020-01-23 2022-11-30 Premirr Plastics Inc. Process and system for depolymerizing waste plastic
US11639431B2 (en) * 2020-01-23 2023-05-02 Premirr Plastics Inc. Process and system for depolymerizing plastic
CN112076790B (zh) * 2020-08-27 2021-07-23 中国科学院青岛生物能源与过程研究所 一种应用聚酯材料可控解聚的锌催化剂及其催化方法
KR102505758B1 (ko) * 2021-03-30 2023-03-06 김수연 응축수 배관의 수격 방지 장치

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2884443A (en) * 1955-03-19 1959-04-28 Glanzstoff Ag Process for the regeneration of terephthalic acid dimethyl ester from polyethylene terephthalate
US3037050A (en) * 1955-08-05 1962-05-29 Glanzstoff Ag Regeneration of terephthalic acid dimethyl ester from polyethylene terephthalate
DE1003714B (de) * 1956-01-25 1957-03-07 Glanzstoff Ag Verfahren zum Abbau von Polyaethylenterephthalat zu Terephthalsaeuredimethylester
BE635706A (ja) * 1962-08-17
NL301426A (ja) * 1962-12-06
CH550753A (it) * 1970-11-26 1974-06-28 Sir Soc Italiana Resine Spa Procedimento per la depolimerizzazione di polietilentereftalato.
US5051528A (en) * 1990-04-24 1991-09-24 Eastman Kodak Company Recovery process for ethylene glycol and dimethylterephthalate

Also Published As

Publication number Publication date
DE4227299C1 (de) 1994-01-27
NZ248411A (en) 1995-02-24
HU9302351D0 (en) 1993-11-29
RU2103257C1 (ru) 1998-01-27
ZA935996B (en) 1994-03-14
FI933610A (fi) 1994-02-19
DK0583743T3 (da) 1997-06-09
NO180535B (no) 1997-01-27
HUT64937A (en) 1994-03-28
NO180535C (no) 1997-05-07
MX9304997A (es) 1994-05-31
EP0583743A2 (de) 1994-02-23
IL106716A0 (en) 1993-12-08
JPH06184053A (ja) 1994-07-05
TW250484B (ja) 1995-07-01
FI933610A0 (fi) 1993-08-16
AU4466393A (en) 1994-02-24
BR9303407A (pt) 1994-03-01
TR28586A (tr) 1996-11-07
KR940003915A (ko) 1994-03-14
CZ167593A3 (en) 1994-03-16
AU660371B2 (en) 1995-06-22
ES2098603T3 (es) 1997-05-01
CA2104253A1 (en) 1994-02-19
ATE147718T1 (de) 1997-02-15
NO932917D0 (no) 1993-08-17
CN1086206A (zh) 1994-05-04
DE59305118D1 (de) 1997-02-27
NO932917L (no) 1994-02-21
EP0583743A3 (ja) 1994-08-31
MY109890A (en) 1997-09-30
PL300120A1 (en) 1994-03-07
MA22954A1 (fr) 1994-04-01
GR3022979T3 (en) 1997-06-30
US5481024A (en) 1996-01-02
EP0583743B1 (de) 1997-01-15

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