CA2104253A1 - 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
CA2104253A1
CA2104253A1 CA002104253A CA2104253A CA2104253A1 CA 2104253 A1 CA2104253 A1 CA 2104253A1 CA 002104253 A CA002104253 A CA 002104253A CA 2104253 A CA2104253 A CA 2104253A CA 2104253 A1 CA2104253 A1 CA 2104253A1
Authority
CA
Canada
Prior art keywords
transesterification
depolymerization
polyester
ester
terephthalic
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.)
Abandoned
Application number
CA002104253A
Other languages
English (en)
French (fr)
Inventor
Ulrich Hertenstein
Rudolf Neugebauer
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.)
Hoechst AG
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2104253A1 publication Critical patent/CA2104253A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/16—Dicarboxylic acids and dihydroxy compounds
    • C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
    • C08G63/181—Acids containing aromatic rings
    • C08G63/183—Terephthalic acids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/04—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing carboxylic acids or their salts
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/03—Preparation of carboxylic acid esters by reacting an ester group with a hydroxy group
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
    • B01J2231/40—Substitution 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
    • B01J2231/49—Esterification or transesterification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (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)
  • Tires In General (AREA)
CA002104253A 1992-08-18 1993-08-17 Process for the preparation of monomeric terephthalic diesters and diols from polyesters Abandoned CA2104253A1 (en)

Applications Claiming Priority (2)

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
DEP4227299.8 1992-08-18

Publications (1)

Publication Number Publication Date
CA2104253A1 true CA2104253A1 (en) 1994-02-19

Family

ID=6465793

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002104253A Abandoned CA2104253A1 (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 (en, 2012)
EP (1) EP0583743B1 (en, 2012)
JP (1) JPH06184053A (en, 2012)
KR (1) KR940003915A (en, 2012)
CN (1) CN1086206A (en, 2012)
AT (1) ATE147718T1 (en, 2012)
AU (1) AU660371B2 (en, 2012)
BR (1) BR9303407A (en, 2012)
CA (1) CA2104253A1 (en, 2012)
CZ (1) CZ167593A3 (en, 2012)
DE (2) DE4227299C1 (en, 2012)
DK (1) DK0583743T3 (en, 2012)
ES (1) ES2098603T3 (en, 2012)
FI (1) FI933610L (en, 2012)
GR (1) GR3022979T3 (en, 2012)
HU (1) HUT64937A (en, 2012)
IL (1) IL106716A (en, 2012)
MA (1) MA22954A1 (en, 2012)
MX (1) MX9304997A (en, 2012)
MY (1) MY109890A (en, 2012)
NO (1) NO180535C (en, 2012)
NZ (1) NZ248411A (en, 2012)
PL (1) PL300120A1 (en, 2012)
RU (1) RU2103257C1 (en, 2012)
TR (1) TR28586A (en, 2012)
TW (1) TW250484B (en, 2012)
ZA (1) ZA935996B (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5744503A (en) * 1996-02-01 1998-04-28 Hoechst Celanese Corporation Recycling polyester and recovering glycols

Families Citing this family (16)

* 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
ATE437847T1 (de) * 1999-10-22 2009-08-15 Teijin Ltd Verfahren zur abtrennung und rückgewinnung von dimethylterephthalat und ethylenglykol aus polyesterabfällen
CZ288622B6 (cs) * 2000-03-17 2001-08-15 Milan Ing. Šírek Způsob chemické recyklace odpadního polyethylentereftalátu
TWI313188B (en) * 2002-09-12 2009-08-11 Shell Int Research Catalytic conversion of an organic carbonate
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
ES2749736T3 (es) 2015-11-20 2020-03-23 Univ North Carolina Chapel Hill Reciclaje químico de tereftalato de polietileno por irradiación de microondas
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
EP4077267B1 (en) * 2019-12-19 2024-11-27 Eastman Chemical Company Method for producing dimethyl terephthalate from polyester methanolysis depolymerization systems
US11639431B2 (en) * 2020-01-23 2023-05-02 Premirr Plastics Inc. Process and system for depolymerizing plastic
CN115244120B (zh) * 2020-01-23 2025-01-14 普莱米尔塑料公司 用于解聚废塑料的方法和系统
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
CN119039136B (zh) * 2024-10-30 2025-02-21 浙江大学 一种芳香酯类溶剂降解升级聚酯类材料的方法

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
NL296330A (en, 2012) * 1962-08-17 1900-01-01
NL301426A (en, 2012) * 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5744503A (en) * 1996-02-01 1998-04-28 Hoechst Celanese Corporation Recycling polyester and recovering glycols

Also Published As

Publication number Publication date
PL300120A1 (en) 1994-03-07
AU660371B2 (en) 1995-06-22
IL106716A0 (en) 1993-12-08
HUT64937A (en) 1994-03-28
GR3022979T3 (en) 1997-06-30
EP0583743A2 (de) 1994-02-23
EP0583743B1 (de) 1997-01-15
DE59305118D1 (de) 1997-02-27
TW250484B (en, 2012) 1995-07-01
EP0583743A3 (en, 2012) 1994-08-31
MY109890A (en) 1997-09-30
DK0583743T3 (da) 1997-06-09
TR28586A (tr) 1996-11-07
ZA935996B (en) 1994-03-14
CZ167593A3 (en) 1994-03-16
DE4227299C1 (de) 1994-01-27
NO932917D0 (no) 1993-08-17
JPH06184053A (ja) 1994-07-05
MA22954A1 (fr) 1994-04-01
KR940003915A (ko) 1994-03-14
NO180535B (no) 1997-01-27
NZ248411A (en) 1995-02-24
RU2103257C1 (ru) 1998-01-27
FI933610A0 (fi) 1993-08-16
HU9302351D0 (en) 1993-11-29
FI933610A7 (fi) 1994-02-19
CN1086206A (zh) 1994-05-04
IL106716A (en) 1997-06-10
ATE147718T1 (de) 1997-02-15
MX9304997A (es) 1994-05-31
AU4466393A (en) 1994-02-24
ES2098603T3 (es) 1997-05-01
NO932917L (no) 1994-02-21
NO180535C (no) 1997-05-07
BR9303407A (pt) 1994-03-01
US5481024A (en) 1996-01-02
FI933610L (fi) 1994-02-19

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Legal Events

Date Code Title Description
FZDE Discontinued