JPS52117396A - Preparation of polyesters with improved whiteness - Google Patents
Preparation of polyesters with improved whitenessInfo
- Publication number
- JPS52117396A JPS52117396A JP3632776A JP3632776A JPS52117396A JP S52117396 A JPS52117396 A JP S52117396A JP 3632776 A JP3632776 A JP 3632776A JP 3632776 A JP3632776 A JP 3632776A JP S52117396 A JPS52117396 A JP S52117396A
- Authority
- JP
- Japan
- Prior art keywords
- polyesters
- preparation
- improved whiteness
- specific
- whiteness
- 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 prepare polyesters with improved whiteness, by the polycondensation in the presence of specific silicon compounds and specific catalysts by the use of crude terephthalic acid having specific optical properties as a starting material.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3632776A JPS52117396A (en) | 1976-03-29 | 1976-03-29 | Preparation of polyesters with improved whiteness |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3632776A JPS52117396A (en) | 1976-03-29 | 1976-03-29 | Preparation of polyesters with improved whiteness |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52117396A true JPS52117396A (en) | 1977-10-01 |
Family
ID=12466733
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3632776A Pending JPS52117396A (en) | 1976-03-29 | 1976-03-29 | Preparation of polyesters with improved whiteness |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52117396A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10506732B2 (en) | 2015-09-15 | 2019-12-10 | Vitesco Technologies Germany Gmbh | Media-tight control device for a motor vehicle and method for producing the control device |
-
1976
- 1976-03-29 JP JP3632776A patent/JPS52117396A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10506732B2 (en) | 2015-09-15 | 2019-12-10 | Vitesco Technologies Germany Gmbh | Media-tight control device for a motor vehicle and method for producing the control device |
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