JPS5421496A - Preparation of polyester having high polymerization degree - Google Patents
Preparation of polyester having high polymerization degreeInfo
- Publication number
- JPS5421496A JPS5421496A JP8563477A JP8563477A JPS5421496A JP S5421496 A JPS5421496 A JP S5421496A JP 8563477 A JP8563477 A JP 8563477A JP 8563477 A JP8563477 A JP 8563477A JP S5421496 A JPS5421496 A JP S5421496A
- Authority
- JP
- Japan
- Prior art keywords
- polyester
- polymerization degree
- preparation
- high polymerization
- 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.)
- Pending
Links
Landscapes
- Polyesters Or Polycarbonates (AREA)
Abstract
PURPOSE: To prepare a polyester having a reduced amount of terminal carboxyl groups and a high polymerization degree, by adding specific organoboron compound to the polymerization system.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8563477A JPS5421496A (en) | 1977-07-19 | 1977-07-19 | Preparation of polyester having high polymerization degree |
US05/923,585 US4196279A (en) | 1977-07-19 | 1978-07-11 | Process for producing polyesters having a high degree of polymerization |
GB7830172A GB2002010B (en) | 1977-07-19 | 1978-07-18 | Process for producing polyesters having a high degree of polymerization |
DE19782831779 DE2831779A1 (en) | 1977-07-19 | 1978-07-19 | PROCESS FOR MANUFACTURING PRACTICAL LINEAR POLYESTER |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8563477A JPS5421496A (en) | 1977-07-19 | 1977-07-19 | Preparation of polyester having high polymerization degree |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5421496A true JPS5421496A (en) | 1979-02-17 |
Family
ID=13864256
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8563477A Pending JPS5421496A (en) | 1977-07-19 | 1977-07-19 | Preparation of polyester having high polymerization degree |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5421496A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54158452A (en) * | 1978-02-28 | 1979-12-14 | Du Pont | Composition |
-
1977
- 1977-07-19 JP JP8563477A patent/JPS5421496A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54158452A (en) * | 1978-02-28 | 1979-12-14 | Du Pont | Composition |
JPS5547058B2 (en) * | 1978-02-28 | 1980-11-27 |
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