JPS5257290A - Production of polyester - Google Patents

Production of polyester

Info

Publication number
JPS5257290A
JPS5257290A JP13217875A JP13217875A JPS5257290A JP S5257290 A JPS5257290 A JP S5257290A JP 13217875 A JP13217875 A JP 13217875A JP 13217875 A JP13217875 A JP 13217875A JP S5257290 A JPS5257290 A JP S5257290A
Authority
JP
Japan
Prior art keywords
polyester
production
specific
catalyst
added
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
JP13217875A
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 JP13217875A priority Critical patent/JPS5257290A/en
Publication of JPS5257290A publication Critical patent/JPS5257290A/en
Pending legal-status Critical Current

Links

Landscapes

  • Polyesters Or Polycarbonates (AREA)

Abstract

PURPOSE: In producing polyesters from glycol esters of dicarboxylic acid, a specific titanium compound is used as catalyst and a specific amount of terephthalic acid is added at a specific reaction stage.
COPYRIGHT: (C)1977,JPO&Japio
JP13217875A 1975-11-05 1975-11-05 Production of polyester Pending JPS5257290A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13217875A JPS5257290A (en) 1975-11-05 1975-11-05 Production of polyester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13217875A JPS5257290A (en) 1975-11-05 1975-11-05 Production of polyester

Publications (1)

Publication Number Publication Date
JPS5257290A true JPS5257290A (en) 1977-05-11

Family

ID=15075191

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13217875A Pending JPS5257290A (en) 1975-11-05 1975-11-05 Production of polyester

Country Status (1)

Country Link
JP (1) JPS5257290A (en)

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