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

    • 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)
  • 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)
  • Tires In General (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (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 (el)
EP (1) EP0583743B1 (el)
JP (1) JPH06184053A (el)
KR (1) KR940003915A (el)
CN (1) CN1086206A (el)
AT (1) ATE147718T1 (el)
AU (1) AU660371B2 (el)
BR (1) BR9303407A (el)
CA (1) CA2104253A1 (el)
CZ (1) CZ167593A3 (el)
DE (2) DE4227299C1 (el)
DK (1) DK0583743T3 (el)
ES (1) ES2098603T3 (el)
FI (1) FI933610A (el)
GR (1) GR3022979T3 (el)
HU (1) HUT64937A (el)
IL (1) IL106716A (el)
MA (1) MA22954A1 (el)
MX (1) MX9304997A (el)
MY (1) MY109890A (el)
NO (1) NO180535C (el)
NZ (1) NZ248411A (el)
PL (1) PL300120A1 (el)
RU (1) RU2103257C1 (el)
TR (1) TR28586A (el)
TW (1) TW250484B (el)
ZA (1) ZA935996B (el)

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
TR200201101T2 (tr) * 1999-10-22 2004-11-22 Teijin Limited Polyester atıktan dimetil terefitalat, etilen glikolün ayrıştırılması için yöntem
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
EP3377569B1 (en) 2015-11-20 2019-09-11 The University of North Carolina at Chapel Hill Chemical recycling of polyethylene terephthalate by microwave irradiation
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
CN115103830A (zh) * 2019-12-19 2022-09-23 伊士曼化工公司 由聚酯甲醇分解解聚系统生产对苯二甲酸二甲酯的方法
US11639431B2 (en) * 2020-01-23 2023-05-02 Premirr Plastics Inc. Process and system for depolymerizing plastic
WO2021151071A1 (en) * 2020-01-23 2021-07-29 Premirr Plastics Inc. Process and system for depolymerizing waste 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
NL296330A (el) * 1962-08-17 1900-01-01
NL301426A (el) * 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
HU9302351D0 (en) 1993-11-29
GR3022979T3 (en) 1997-06-30
TR28586A (tr) 1996-11-07
ATE147718T1 (de) 1997-02-15
NZ248411A (en) 1995-02-24
JPH06184053A (ja) 1994-07-05
US5481024A (en) 1996-01-02
ES2098603T3 (es) 1997-05-01
PL300120A1 (en) 1994-03-07
FI933610A (fi) 1994-02-19
DE59305118D1 (de) 1997-02-27
MA22954A1 (fr) 1994-04-01
NO180535C (no) 1997-05-07
EP0583743A2 (de) 1994-02-23
BR9303407A (pt) 1994-03-01
IL106716A0 (en) 1993-12-08
CA2104253A1 (en) 1994-02-19
DK0583743T3 (da) 1997-06-09
RU2103257C1 (ru) 1998-01-27
AU4466393A (en) 1994-02-24
AU660371B2 (en) 1995-06-22
NO180535B (no) 1997-01-27
ZA935996B (en) 1994-03-14
CZ167593A3 (en) 1994-03-16
EP0583743A3 (el) 1994-08-31
HUT64937A (en) 1994-03-28
EP0583743B1 (de) 1997-01-15
KR940003915A (ko) 1994-03-14
MX9304997A (es) 1994-05-31
NO932917L (no) 1994-02-21
TW250484B (el) 1995-07-01
NO932917D0 (no) 1993-08-17
DE4227299C1 (de) 1994-01-27
MY109890A (en) 1997-09-30
FI933610A0 (fi) 1993-08-16
CN1086206A (zh) 1994-05-04

Similar Documents

Publication Publication Date Title
IL106716A (en) Process for the preparation of monomeric terephthalic diesters and diols from polyesters
AR007540A1 (es) Un proceso para la preparacion de un ester que utiliza un nuevo catalizador de organotitanio u organozirconio.
CA2116005A1 (en) Process for alkoxylation of esters and products produced therefrom
TW227025B (el)
WO1993019132A3 (en) Binder composition for powder coatings based on unsaturated polyesters
RU93041382A (ru) Способ получения сложных диэфиров терефталевой кислоты и диолов сложных полиэфиров
MY109709A (en) Polyol polyester syenthesis
EP0322971A3 (en) Process for the synthesis of polyol fatty acid polyesters
EP0647653A3 (en) Improved process for preparing polyesters of fatty acids from saccharides.
NO306864B1 (no) Bionedbrytbar polyesterblanding og fremgangsmåte for fremstilling av denne og formede artikler derav
EP0447110A3 (en) Producing a copolyester from a lower dialkyl ester of terephthalic acid, a glycol and a dicarboxylic acid
PL293285A1 (en) Method of obtaining aromatic polyesters
JPS5363338A (en) Recovery of main monomers from polyesters
Berti et al. Process for Preparing Aromatic Polyester
MX9601513A (es) Composiciones en polvo de poliesteres cristalinos que contienen grupos metacrililo.
IT1277678B1 (it) Poliesteri a bassa velocita' di cristallizzazione e sistema catalitico per la loro preparazione
TH28692B (th) ขบวนการเอสเทอริฟิเคชันที่ใช้ตัวเร่งปฏิกิริยาออร์กาโนไทเทเนียมหรือออร์กาโนเซอร์โคเนียม

Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
RH Patent void