JPS5692915A - Production of polyester with high particle dispersibility - Google Patents
Production of polyester with high particle dispersibilityInfo
- Publication number
- JPS5692915A JPS5692915A JP16930879A JP16930879A JPS5692915A JP S5692915 A JPS5692915 A JP S5692915A JP 16930879 A JP16930879 A JP 16930879A JP 16930879 A JP16930879 A JP 16930879A JP S5692915 A JPS5692915 A JP S5692915A
- Authority
- JP
- Japan
- Prior art keywords
- polyester
- polymerization
- added
- less
- completion
- 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: A polyalkylene glycol containing dispersed inactive inorganic fine particles with primary particle sizes of less than a specified value is added to a polyester at a stage before the completion of polymerization to produce the titled polyester with improved dyeability, transparency and slidability.
CONSTITUTION: 0.05W4, preferably 0.3W2wt% of an inactive and inorganic fine particles with primary particle sizes of less than 5μ, preferably less than 100mμ, such as silica, is added to 1W10, preferably 3W7wt% of a polyalkylene glycol based on the resultant polyester. The dispersion is added to a polyester obtained from terephthalic acid or its derivative and a glycol selected from ethylene glycol and 1,4- butanediol or its derivative before the completion of the polymerization, preferably after the intrinsic viscosity of the polyester reaches 0.2 and the polymerization is completed.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16930879A JPS5692915A (en) | 1979-12-27 | 1979-12-27 | Production of polyester with high particle dispersibility |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16930879A JPS5692915A (en) | 1979-12-27 | 1979-12-27 | Production of polyester with high particle dispersibility |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5692915A true JPS5692915A (en) | 1981-07-28 |
Family
ID=15884117
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16930879A Pending JPS5692915A (en) | 1979-12-27 | 1979-12-27 | Production of polyester with high particle dispersibility |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5692915A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5845227A (en) * | 1981-09-14 | 1983-03-16 | Toray Ind Inc | Preparation of polyester having excellent particle dispersibility |
JPS6058431A (en) * | 1983-09-08 | 1985-04-04 | Toyobo Co Ltd | Production of easily slippery polyester |
-
1979
- 1979-12-27 JP JP16930879A patent/JPS5692915A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5845227A (en) * | 1981-09-14 | 1983-03-16 | Toray Ind Inc | Preparation of polyester having excellent particle dispersibility |
JPH0142288B2 (en) * | 1981-09-14 | 1989-09-12 | Toray Industries | |
JPS6058431A (en) * | 1983-09-08 | 1985-04-04 | Toyobo Co Ltd | Production of easily slippery polyester |
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