JPS5286495A - Preparation of polyesters - Google Patents

Preparation of polyesters

Info

Publication number
JPS5286495A
JPS5286495A JP275776A JP275776A JPS5286495A JP S5286495 A JPS5286495 A JP S5286495A JP 275776 A JP275776 A JP 275776A JP 275776 A JP275776 A JP 275776A JP S5286495 A JPS5286495 A JP S5286495A
Authority
JP
Japan
Prior art keywords
polyesters
preparation
titanium
glycllate
discoloration
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.)
Pending
Application number
JP275776A
Other languages
Japanese (ja)
Inventor
Kiyoshi Nawata
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.)
Teijin Ltd
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.)
Filing date
Publication date
Application filed by Teijin Ltd filed Critical Teijin Ltd
Priority to JP275776A priority Critical patent/JPS5286495A/en
Publication of JPS5286495A publication Critical patent/JPS5286495A/en
Pending legal-status Critical Current

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  • Polyesters Or Polycarbonates (AREA)

Abstract

PURPOSE: To prevent the discoloration of polymers by the addition of a metal salt of aliphatic carboxylic acid to the polymerization system in preparing the polyesters by the use of a titanium compound, e.g. titanium ethylene glycllate, etc. as a catalyst.
COPYRIGHT: (C)1977,JPO&Japio
JP275776A 1976-01-14 1976-01-14 Preparation of polyesters Pending JPS5286495A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP275776A JPS5286495A (en) 1976-01-14 1976-01-14 Preparation of polyesters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP275776A JPS5286495A (en) 1976-01-14 1976-01-14 Preparation of polyesters

Publications (1)

Publication Number Publication Date
JPS5286495A true JPS5286495A (en) 1977-07-18

Family

ID=11538203

Family Applications (1)

Application Number Title Priority Date Filing Date
JP275776A Pending JPS5286495A (en) 1976-01-14 1976-01-14 Preparation of polyesters

Country Status (1)

Country Link
JP (1) JPS5286495A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009046593A (en) * 2007-08-20 2009-03-05 Sakai Chem Ind Co Ltd Polycondensation catalyst for manufacturing polyester, manufacturing method therefor, and manufacturing method for polyester using the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009046593A (en) * 2007-08-20 2009-03-05 Sakai Chem Ind Co Ltd Polycondensation catalyst for manufacturing polyester, manufacturing method therefor, and manufacturing method for polyester using the same

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