JPS52892A - Process for producing polyesters - Google Patents
Process for producing polyestersInfo
- Publication number
- JPS52892A JPS52892A JP7647975A JP7647975A JPS52892A JP S52892 A JPS52892 A JP S52892A JP 7647975 A JP7647975 A JP 7647975A JP 7647975 A JP7647975 A JP 7647975A JP S52892 A JPS52892 A JP S52892A
- Authority
- JP
- Japan
- Prior art keywords
- producing polyesters
- amine
- reducing
- polyethylene terephthalate
- improve
- 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
Abstract
PURPOSE: To improve the thermal resistance, color tone, spinning properties, etc. of a polyethylene terephthalate produced by the direct polymerization method by carring out the esterification reaction under a specified condition and reducing the amount of an amine.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7647975A JPS52892A (en) | 1975-06-24 | 1975-06-24 | Process for producing polyesters |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7647975A JPS52892A (en) | 1975-06-24 | 1975-06-24 | Process for producing polyesters |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52892A true JPS52892A (en) | 1977-01-06 |
Family
ID=13606318
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7647975A Pending JPS52892A (en) | 1975-06-24 | 1975-06-24 | Process for producing polyesters |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52892A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5773020A (en) * | 1980-08-25 | 1982-05-07 | Celanese Corp | Manufacture of polybutylene terephthalate |
JPS57147515A (en) * | 1981-03-06 | 1982-09-11 | Teijin Ltd | Preparation of polyester |
JPS5997749A (en) * | 1982-11-24 | 1984-06-05 | Toyota Central Res & Dev Lab Inc | Casting method of die casting product |
KR100837979B1 (en) * | 2001-02-08 | 2008-06-13 | 바스프 에스이 | Expandable Polyolefin Particles |
-
1975
- 1975-06-24 JP JP7647975A patent/JPS52892A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5773020A (en) * | 1980-08-25 | 1982-05-07 | Celanese Corp | Manufacture of polybutylene terephthalate |
JPH0360849B2 (en) * | 1980-08-25 | 1991-09-18 | Hoechst Celanese Corp | |
JPS57147515A (en) * | 1981-03-06 | 1982-09-11 | Teijin Ltd | Preparation of polyester |
JPS5997749A (en) * | 1982-11-24 | 1984-06-05 | Toyota Central Res & Dev Lab Inc | Casting method of die casting product |
KR100837979B1 (en) * | 2001-02-08 | 2008-06-13 | 바스프 에스이 | Expandable Polyolefin Particles |
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