JPS52148593A - Preparation of polyesters - Google Patents

Preparation of polyesters

Info

Publication number
JPS52148593A
JPS52148593A JP6570376A JP6570376A JPS52148593A JP S52148593 A JPS52148593 A JP S52148593A JP 6570376 A JP6570376 A JP 6570376A JP 6570376 A JP6570376 A JP 6570376A JP S52148593 A JPS52148593 A JP S52148593A
Authority
JP
Japan
Prior art keywords
polyesters
preparation
polycondensation
polyester
catalyst
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
JP6570376A
Other languages
Japanese (ja)
Inventor
Satoshi Hashimoto
Kiyoshi Nawata
Noriya Okumura
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 JP6570376A priority Critical patent/JPS52148593A/en
Publication of JPS52148593A publication Critical patent/JPS52148593A/en
Pending legal-status Critical Current

Links

Landscapes

  • Polyesters Or Polycarbonates (AREA)

Abstract

PURPOSE: To prepare a polyester having good color tone and improved heat resistance by polycondensation in the presence of an alkali metal compound by the use of a specific complex compound containing titanium as a catalyst.
COPYRIGHT: (C)1977,JPO&Japio
JP6570376A 1976-06-07 1976-06-07 Preparation of polyesters Pending JPS52148593A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6570376A JPS52148593A (en) 1976-06-07 1976-06-07 Preparation of polyesters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6570376A JPS52148593A (en) 1976-06-07 1976-06-07 Preparation of polyesters

Publications (1)

Publication Number Publication Date
JPS52148593A true JPS52148593A (en) 1977-12-09

Family

ID=13294630

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6570376A Pending JPS52148593A (en) 1976-06-07 1976-06-07 Preparation of polyesters

Country Status (1)

Country Link
JP (1) JPS52148593A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55155021A (en) * 1979-05-22 1980-12-03 Toyobo Co Ltd Preparation of polyester

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55155021A (en) * 1979-05-22 1980-12-03 Toyobo Co Ltd Preparation of polyester

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