JPS5257287A - Production of polyester - Google Patents
Production of polyesterInfo
- Publication number
- JPS5257287A JPS5257287A JP13217575A JP13217575A JPS5257287A JP S5257287 A JPS5257287 A JP S5257287A JP 13217575 A JP13217575 A JP 13217575A JP 13217575 A JP13217575 A JP 13217575A JP S5257287 A JPS5257287 A JP S5257287A
- Authority
- JP
- Japan
- Prior art keywords
- polyester
- production
- esters
- terephthalic
- 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
Links
Landscapes
- Polyesters Or Polycarbonates (AREA)
Abstract
PURPOSE: In producing polyesters from glycol esters of dibasic acid containing mainly terephthalic acid, a titanium compound is used as polycondensation catalyst and a specific amount of terephthalic esters is added thereto at a specific stage of the polymerization reaction.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13217575A JPS5257287A (en) | 1975-11-05 | 1975-11-05 | Production of polyester |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13217575A JPS5257287A (en) | 1975-11-05 | 1975-11-05 | Production of polyester |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5257287A true JPS5257287A (en) | 1977-05-11 |
Family
ID=15075117
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13217575A Pending JPS5257287A (en) | 1975-11-05 | 1975-11-05 | Production of polyester |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5257287A (en) |
-
1975
- 1975-11-05 JP JP13217575A patent/JPS5257287A/en active Pending
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