KR940003915A - 폴리에스테르로부터 단량체 테레프탈산 디에스테르 및 디올의 제조방법 - Google Patents

폴리에스테르로부터 단량체 테레프탈산 디에스테르 및 디올의 제조방법 Download PDF

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Publication number
KR940003915A
KR940003915A KR1019930015796A KR930015796A KR940003915A KR 940003915 A KR940003915 A KR 940003915A KR 1019930015796 A KR1019930015796 A KR 1019930015796A KR 930015796 A KR930015796 A KR 930015796A KR 940003915 A KR940003915 A KR 940003915A
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KR
South Korea
Prior art keywords
transesterification
process according
diols
depolymerization
polyesters
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KR1019930015796A
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English (en)
Inventor
헤르텐스타인 울리히
노이게바우어 루돌프
Original Assignee
벡커, 바인
훽스트 아크티엔게젤샤프트
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Application filed by 벡커, 바인, 훽스트 아크티엔게젤샤프트 filed Critical 벡커, 바인
Publication of KR940003915A publication Critical patent/KR940003915A/ko

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    • 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

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (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)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

본 발명은 폴리에스테로부터 테레프탈산 디에스테르 및 디올을 제조하기 위한 신규 방법에 관한 것이다. 이들 방법은 상기 폴리에스테르에 대한 에스테르 교환반응 촉매 및 에스테르 존재하에 폴리에스테르를 해중합시킨 다음 반응 혼합물을 에스테르 교환반응시켜 1가 알콜과 반응 시킴에 의해 테레프탈산 디에스테르를 수득한다. 신규 방법은 폴리 에스테르의 출발 성분이 온화한 조건하에서 신속히 회수되도록 한다.

Description

폴리에스테르로부터 단량체 테레프탈산 디에스테르 및 디올의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (12)

  1. 에스테르 존재하에 해중합시킨 다음 이 혼합물을 1가 알콜을 이용하여 에스테르 교환반응에 의해 테레프탈산 디에스테르 및 디올로 전환시킴을 특징으로 하여, 폴리에스테르에 대한 에스테르 교환반응 촉매의 존재하에 폴리에스테르를 해중합시켜 테레프탈산 디에스테르 및 디올을 제조하는 방법.
  2. 제1항에 있어서, 사용하는 폴리에스테르가 폴리에틸렌 테세프탈레이트인 방법.
  3. 제1항 또는 제2항에 있어서, 해중합 단계에서 사용하는 에스테르가 알킬 에스테르, 특히 방향족 디카르복실산의 디알킬 에스테르인 방법.
  4. 제3항에 있어서, 에스테르가 디메틸 테레프탈레이트인 방법.
  5. 제1항에 있어서, 사용하는 에스테르 교환반응 촉매가 망간 아세테이트, 산화아연, 아연 아세테이트, 염화아연 또는 산화망간, 또는 이들 화합물의 혼합물인 방법.
  6. 제2항에 있어서, 해중합 반응을 제5항에 청구된 에스테르 교환반응 촉매의 존재하에 대기압하 140 대기 250℃ 온도에서 수행하는 방법.
  7. 제1항에 있어서, 반응 모니터링을 용융 점도를 측정하므로써 수행하는 방법.
  8. 제1항에 있어서, 에스테르 교환반응 단계에서의 1가 알콜이 탄소수 1 내지 6의 알킬알콜, 특히 메탄올인 방법.
  9. 제1항에 있어서, 에스테르 교환반응을 140내지 300℃에 1 내지 20bar에서 수행하는 방법.
  10. 제1항에 있어서, 과량의 1가 알콜을 폴리에스테르로부터 기원한 디올과 함께 증류시킴에 의해 에스테르 교환반응 단계로 부터 제거하고 잔사중 잔류하는 테레프탈산 디에스테르를 연속하여 증류에 의해 정제하는 방법.
  11. 제1항에 있어서, 해중합 단계와 에스테르 교환반응 단계를 연속해서 수행하는 방법.
  12. 제1항에 있어서, 수득된 테레프탈산 디에스테르의 일부를 해중합 단계로 재공급하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930015796A 1992-08-18 1993-08-16 폴리에스테르로부터 단량체 테레프탈산 디에스테르 및 디올의 제조방법 KR940003915A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP4227299.8 1992-08-18
DE4227299A DE4227299C1 (de) 1992-08-18 1992-08-18 Verfahren zur Herstellung von monomeren Terephthalsäurediestern und Diolen aus Polyestern

Publications (1)

Publication Number Publication Date
KR940003915A true KR940003915A (ko) 1994-03-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930015796A KR940003915A (ko) 1992-08-18 1993-08-16 폴리에스테르로부터 단량체 테레프탈산 디에스테르 및 디올의 제조방법

Country Status (27)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220135553A (ko) * 2021-03-30 2022-10-07 김수연 응축수 배관의 수격 방지 장치

Families Citing this family (13)

* 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
EP1227075B1 (en) * 1999-10-22 2009-07-29 Teijin Limited Method for separating and recovering dimethyl terephthalate and ethylene glycol from polyester waste
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
PL3377569T3 (pl) 2015-11-20 2020-01-31 The University Of North Carolina At Chapel Hill Recykling chemiczny politereftalanu etylenu poprzez napromieniowywanie mikrofalami
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
US11639431B2 (en) * 2020-01-23 2023-05-02 Premirr Plastics Inc. Process and system for depolymerizing plastic
CN115244120A (zh) * 2020-01-23 2022-10-25 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

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 (ko) * 1962-08-17 1900-01-01
NL301426A (ko) * 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
KR20220135553A (ko) * 2021-03-30 2022-10-07 김수연 응축수 배관의 수격 방지 장치

Also Published As

Publication number Publication date
EP0583743A2 (de) 1994-02-23
MX9304997A (es) 1994-05-31
FI933610A (fi) 1994-02-19
CN1086206A (zh) 1994-05-04
DE4227299C1 (de) 1994-01-27
IL106716A0 (en) 1993-12-08
FI933610A0 (fi) 1993-08-16
GR3022979T3 (en) 1997-06-30
NO180535C (no) 1997-05-07
NZ248411A (en) 1995-02-24
JPH06184053A (ja) 1994-07-05
EP0583743B1 (de) 1997-01-15
NO932917L (no) 1994-02-21
TW250484B (ko) 1995-07-01
US5481024A (en) 1996-01-02
ATE147718T1 (de) 1997-02-15
HU9302351D0 (en) 1993-11-29
HUT64937A (en) 1994-03-28
BR9303407A (pt) 1994-03-01
MA22954A1 (fr) 1994-04-01
AU660371B2 (en) 1995-06-22
DE59305118D1 (de) 1997-02-27
ZA935996B (en) 1994-03-14
RU2103257C1 (ru) 1998-01-27
EP0583743A3 (ko) 1994-08-31
TR28586A (tr) 1996-11-07
NO932917D0 (no) 1993-08-17
IL106716A (en) 1997-06-10
ES2098603T3 (es) 1997-05-01
DK0583743T3 (da) 1997-06-09
CZ167593A3 (en) 1994-03-16
NO180535B (no) 1997-01-27
AU4466393A (en) 1994-02-24
MY109890A (en) 1997-09-30
CA2104253A1 (en) 1994-02-19
PL300120A1 (en) 1994-03-07

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