JPS52129798A - Preparation of polyesters - Google Patents
Preparation of polyestersInfo
- Publication number
- JPS52129798A JPS52129798A JP4744376A JP4744376A JPS52129798A JP S52129798 A JPS52129798 A JP S52129798A JP 4744376 A JP4744376 A JP 4744376A JP 4744376 A JP4744376 A JP 4744376A JP S52129798 A JPS52129798 A JP S52129798A
- Authority
- JP
- Japan
- Prior art keywords
- polyesters
- preparation
- whiteness
- esterification
- slurry
- 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 prepare polyesters containing ether bonds in a smaller amount, excellent in whiteness, by the esterification of a slurry of terephthalic acid and ethylene glycol in the presence of specific catalysts and the following polycondensation in the presence of antimony alkoxides, etc.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4744376A JPS52129798A (en) | 1976-04-26 | 1976-04-26 | Preparation of polyesters |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4744376A JPS52129798A (en) | 1976-04-26 | 1976-04-26 | Preparation of polyesters |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52129798A true JPS52129798A (en) | 1977-10-31 |
Family
ID=12775275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4744376A Pending JPS52129798A (en) | 1976-04-26 | 1976-04-26 | Preparation of polyesters |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52129798A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7358322B2 (en) | 2004-03-09 | 2008-04-15 | Eastman Chemical Company | High IV melt phase polyester polymer catalyzed with antimony containing compounds |
US7459113B2 (en) | 2004-03-08 | 2008-12-02 | Eastman Chemical Company | Process of making a container from polyester polymer particles having a small surface to center intrinsic-viscosity gradient |
US7935399B2 (en) | 2004-09-02 | 2011-05-03 | Grupo Petrotemex, S.A. De C.V. | Low melting polyester polymers |
US8901272B2 (en) | 2007-02-02 | 2014-12-02 | Grupo Petrotemex, S.A. De C.V. | Polyester polymers with low acetaldehyde generation rates and high vinyl ends concentration |
US8987408B2 (en) | 2005-06-16 | 2015-03-24 | Grupo Petrotemex, S.A. De C.V. | High intrinsic viscosity melt phase polyester polymers with acceptable acetaldehyde generation rates |
-
1976
- 1976-04-26 JP JP4744376A patent/JPS52129798A/en active Pending
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7459113B2 (en) | 2004-03-08 | 2008-12-02 | Eastman Chemical Company | Process of making a container from polyester polymer particles having a small surface to center intrinsic-viscosity gradient |
US7358322B2 (en) | 2004-03-09 | 2008-04-15 | Eastman Chemical Company | High IV melt phase polyester polymer catalyzed with antimony containing compounds |
US7368522B2 (en) | 2004-03-09 | 2008-05-06 | Eastman Chemical Company | High IV melt phase polyester polymer catalyzed with antimony containing compounds |
US7935399B2 (en) | 2004-09-02 | 2011-05-03 | Grupo Petrotemex, S.A. De C.V. | Low melting polyester polymers |
US8968615B2 (en) | 2004-09-02 | 2015-03-03 | Eastman Chemical Company | Low melting polyester polymers |
US8987408B2 (en) | 2005-06-16 | 2015-03-24 | Grupo Petrotemex, S.A. De C.V. | High intrinsic viscosity melt phase polyester polymers with acceptable acetaldehyde generation rates |
US8901272B2 (en) | 2007-02-02 | 2014-12-02 | Grupo Petrotemex, S.A. De C.V. | Polyester polymers with low acetaldehyde generation rates and high vinyl ends concentration |
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