JPS528097A - Process for producing polyesters - Google Patents

Process for producing polyesters

Info

Publication number
JPS528097A
JPS528097A JP8356975A JP8356975A JPS528097A JP S528097 A JPS528097 A JP S528097A JP 8356975 A JP8356975 A JP 8356975A JP 8356975 A JP8356975 A JP 8356975A JP S528097 A JPS528097 A JP S528097A
Authority
JP
Japan
Prior art keywords
producing polyesters
reaction
carboxylic acid
acid ester
small amount
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
JP8356975A
Other languages
Japanese (ja)
Inventor
Hiroo Inada
Shoji Kawase
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 JP8356975A priority Critical patent/JPS528097A/en
Publication of JPS528097A publication Critical patent/JPS528097A/en
Pending legal-status Critical Current

Links

Landscapes

  • Polyesters Or Polycarbonates (AREA)

Abstract

PURPOSE: To produce polyethylene terephthalate with improved thermal resistance and color tone by adding a small amount of a specified carboxylic acid ester to the system at a specific stage of the reaction.
COPYRIGHT: (C)1977,JPO&Japio
JP8356975A 1975-07-09 1975-07-09 Process for producing polyesters Pending JPS528097A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8356975A JPS528097A (en) 1975-07-09 1975-07-09 Process for producing polyesters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8356975A JPS528097A (en) 1975-07-09 1975-07-09 Process for producing polyesters

Publications (1)

Publication Number Publication Date
JPS528097A true JPS528097A (en) 1977-01-21

Family

ID=13806137

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8356975A Pending JPS528097A (en) 1975-07-09 1975-07-09 Process for producing polyesters

Country Status (1)

Country Link
JP (1) JPS528097A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0422485U (en) * 1990-06-18 1992-02-25

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0422485U (en) * 1990-06-18 1992-02-25

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