ATE162177T1 - Verfahren zur gewinnung von dimethylnaphthalen- 2,6-dicarboxylat - Google Patents

Verfahren zur gewinnung von dimethylnaphthalen- 2,6-dicarboxylat

Info

Publication number: ATE162177T1
Authority: AT; Austria
Prior art keywords: dicarboxylate; dmn; mixture; dmt; dimethyl
Prior art date: 1993-06-16

Application number

AT94304244T

Other languages

English (en)

Inventor

Yukio Kuninobu

Koji Sumitani

Kazuhiro Sato

Hisasi Shono

Original Assignee

Teijin Ltd

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.)

1993-06-16

Filing date

1994-06-13

Publication date

1998-01-15

1994-06-13 Application filed by Teijin Ltd filed Critical Teijin Ltd

1998-01-15 Application granted granted Critical

1998-01-15 Publication of ATE162177T1 publication Critical patent/ATE162177T1/de

Links

GYUVMLBYMPKZAZ-UHFFFAOYSA-N dimethyl naphthalene-2,6-dicarboxylate Chemical compound C1=C(C(=O)OC)C=CC2=CC(C(=O)OC)=CC=C21 GYUVMLBYMPKZAZ-UHFFFAOYSA-N 0.000 title abstract 9
LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract 6
WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 abstract 6
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 3
239000000203 mixture Substances 0.000 abstract 3
-1 polyethylene terephthalate Polymers 0.000 abstract 1
229920000139 polyethylene terephthalate Polymers 0.000 abstract 1
239000005020 polyethylene terephthalate Substances 0.000 abstract 1
229920000642 polymer Polymers 0.000 abstract 1

Classifications

- 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
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Crystallography & Structural Chemistry (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)
Catalysts (AREA)

AT94304244T 1993-06-16 1994-06-13 Verfahren zur gewinnung von dimethylnaphthalen- 2,6-dicarboxylat ATE162177T1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP5144945A JP2825733B2 (ja)	1993-06-16	1993-06-16	ナフタレンジカルボン酸ジメチルエステルとテレフタル酸ジメチルエステルとの分別回収方法

Publications (1)

Publication Number	Publication Date
ATE162177T1 true ATE162177T1 (de)	1998-01-15

Family

ID=15373847

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT94304244T ATE162177T1 (de)	1993-06-16	1994-06-13	Verfahren zur gewinnung von dimethylnaphthalen- 2,6-dicarboxylat

Country Status (6)

Country	Link
US (1)	US5430174A (de)
EP (1)	EP0629605B1 (de)
JP (1)	JP2825733B2 (de)
AT (1)	ATE162177T1 (de)
DE (1)	DE69407872T2 (de)
ES (1)	ES2111855T3 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR100411190B1 (ko) *	1995-12-26	2004-03-26	에스케이케미칼주식회사	에틸렌글리콜의회수방법
KR100430633B1 (ko) *	1996-07-22	2004-09-08	주식회사 코오롱	폴리에틸렌테레프탈레이트및그의중합방법
DE19643479B4 (de) *	1996-10-22	2006-04-20	Zimmer Ag	Verfahren zur Herstellung von Polyethylenterephthalat aus Polyethylenterephthalat-Abfall
EP0854130A1 (de) *	1997-01-15	1998-07-22	Eastman Kodak Company	Rückgewinnung von Monomeren aus Polyethylennaphthalat
EP0857714A1 (de) *	1997-01-31	1998-08-12	Eastman Kodak Company	Gewinnung von Monomeren aus Polyethylennaphthalat
EP0857715A1 (de) *	1997-02-03	1998-08-12	Eastman Kodak Company	Wiedergewinnung von Monomeren aus Polyethylennaphthalat durch Niedrigdruckmethanolyse
ATE437847T1 (de)	1999-10-22	2009-08-15	Teijin Ltd	Verfahren zur abtrennung und rückgewinnung von dimethylterephthalat und ethylenglykol aus polyesterabfällen
DK1138663T3 (da) *	2000-02-29	2003-02-17	Massimo Broccatelli	Fremgangsmåde til udvinding af terephtalsyre fra et materiale, der indeholder poly(ethylen-terephtalater)
JP2001288675A (ja) *	2000-03-31	2001-10-19	Teijin Ltd	ポリアルキレンテレフタレート系繊維の減量加工方法
JP4163842B2 (ja) *	2000-04-14	2008-10-08	帝人ファイバー株式会社	ポリエチレンテレフタレートからのテレフタル酸ジメチル回収方法
US6720448B2 (en)	2000-10-11	2004-04-13	Massimo Broccatelli	Method of recovering chemical species by depolymerization of poly (ethylene terephthalate) and related use
PL2649029T3 (pl) *	2010-12-08	2020-07-13	Pravansu S. Mohanty	Sposób depolimeryzacji
US12522695B2 (en)	2019-10-08	2026-01-13	Eastman Chemical Company	Catalyst systems for crystallizable reactor grade resins with recycled content
CN114773192B (zh) *	2022-05-23	2023-09-26	煤炭科学技术研究院有限公司	一种连续制备2,6-萘二甲酸二甲酯切片的方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS522270B2 (de) *	1973-05-30	1977-01-20
US4876378A (en) *	1988-05-23	1989-10-24	Eastman Kodak Company	Recovery of dialkyl naphthalene-2,6-dicarboxylates from naphthalene-2,6-dicarboxylic acid-containing polyesters

1993
- 1993-06-16 JP JP5144945A patent/JP2825733B2/ja not_active Expired - Lifetime
1994
- 1994-06-13 US US08/258,819 patent/US5430174A/en not_active Expired - Fee Related
- 1994-06-13 ES ES94304244T patent/ES2111855T3/es not_active Expired - Lifetime
- 1994-06-13 EP EP94304244A patent/EP0629605B1/de not_active Expired - Lifetime
- 1994-06-13 AT AT94304244T patent/ATE162177T1/de active
- 1994-06-13 DE DE69407872T patent/DE69407872T2/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
ES2111855T3 (es)	1998-03-16
JP2825733B2 (ja)	1998-11-18
JPH072738A (ja)	1995-01-06
EP0629605B1 (de)	1998-01-14
EP0629605A3 (de)	1995-03-15
EP0629605A2 (de)	1994-12-21
US5430174A (en)	1995-07-04
DE69407872D1 (de)	1998-02-19
DE69407872T2 (de)	1998-08-27

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