JPS53120797A - Preparation of polyester - Google Patents
Preparation of polyesterInfo
- Publication number
- JPS53120797A JPS53120797A JP3537277A JP3537277A JPS53120797A JP S53120797 A JPS53120797 A JP S53120797A JP 3537277 A JP3537277 A JP 3537277A JP 3537277 A JP3537277 A JP 3537277A JP S53120797 A JPS53120797 A JP S53120797A
- Authority
- JP
- Japan
- Prior art keywords
- polyester
- preparation
- polycondensing
- anhydride
- prepare
- 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.)
- Granted
Links
Landscapes
- Polyesters Or Polycarbonates (AREA)
Abstract
PURPOSE: To prepare an aromatic polyester having a high softening point and improved whiteness, by polycondensing in the presence of the reaction product of a titanium compound with phthalic acid (anhydride) as a polycondensation catalyst.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3537277A JPS6034568B2 (en) | 1977-03-31 | 1977-03-31 | Polyester manufacturing method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3537277A JPS6034568B2 (en) | 1977-03-31 | 1977-03-31 | Polyester manufacturing method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53120797A true JPS53120797A (en) | 1978-10-21 |
JPS6034568B2 JPS6034568B2 (en) | 1985-08-09 |
Family
ID=12440058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3537277A Expired JPS6034568B2 (en) | 1977-03-31 | 1977-03-31 | Polyester manufacturing method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6034568B2 (en) |
-
1977
- 1977-03-31 JP JP3537277A patent/JPS6034568B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6034568B2 (en) | 1985-08-09 |
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