JPS528097A - Process for producing polyesters - Google Patents
Process for producing polyestersInfo
- 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
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
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0422485U (en) * | 1990-06-18 | 1992-02-25 |
-
1975
- 1975-07-09 JP JP8356975A patent/JPS528097A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0422485U (en) * | 1990-06-18 | 1992-02-25 |
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