JPS5258794A - Process for preparing polyesters - Google Patents

Process for preparing polyesters

Info

Publication number
JPS5258794A
JPS5258794A JP13442375A JP13442375A JPS5258794A JP S5258794 A JPS5258794 A JP S5258794A JP 13442375 A JP13442375 A JP 13442375A JP 13442375 A JP13442375 A JP 13442375A JP S5258794 A JPS5258794 A JP S5258794A
Authority
JP
Japan
Prior art keywords
preparing polyesters
polyesters
buatnediol
polycondensation
carboxyl group
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
JP13442375A
Other languages
Japanese (ja)
Inventor
Toshinori Sugie
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.)
DIC Corp
Original Assignee
Dainippon Ink and Chemicals Co 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 Dainippon Ink and Chemicals Co Ltd filed Critical Dainippon Ink and Chemicals Co Ltd
Priority to JP13442375A priority Critical patent/JPS5258794A/en
Publication of JPS5258794A publication Critical patent/JPS5258794A/en
Pending legal-status Critical Current

Links

Landscapes

  • Polyesters Or Polycarbonates (AREA)

Abstract

PURPOSE: To prepare polyesters having terminal carboxyl group in a reduced amount, by the addition of a carbodiimide compound during or after the polycondensation of terephthalic acid and buatnediol.
COPYRIGHT: (C)1977,JPO&Japio
JP13442375A 1975-11-08 1975-11-08 Process for preparing polyesters Pending JPS5258794A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13442375A JPS5258794A (en) 1975-11-08 1975-11-08 Process for preparing polyesters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13442375A JPS5258794A (en) 1975-11-08 1975-11-08 Process for preparing polyesters

Publications (1)

Publication Number Publication Date
JPS5258794A true JPS5258794A (en) 1977-05-14

Family

ID=15128026

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13442375A Pending JPS5258794A (en) 1975-11-08 1975-11-08 Process for preparing polyesters

Country Status (1)

Country Link
JP (1) JPS5258794A (en)

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