JPS5569621A - Production of aromatic polyamide - Google Patents
Production of aromatic polyamideInfo
- Publication number
- JPS5569621A JPS5569621A JP14113478A JP14113478A JPS5569621A JP S5569621 A JPS5569621 A JP S5569621A JP 14113478 A JP14113478 A JP 14113478A JP 14113478 A JP14113478 A JP 14113478A JP S5569621 A JPS5569621 A JP S5569621A
- Authority
- JP
- Japan
- Prior art keywords
- aromatic
- reaction
- molecular
- dicarboxylic acids
- component
- 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: The reaction between aromatic dicarboxylic acids, aromatic diamines and a phosphite ester is conducted in the presence of a specific high-molecular- weight compound to increase remarkably the polymerization degree of the resulting aromatic polyamide using inexpensive starting materials.
CONSTITUTION: In the reaction between (A) aromatic dicarboxylic acids, (B) aromatic diamines and (C) a phosphite ester fo R-P(OR')2(R is OR', OH; R' is aromatic group) as triphenyl phosphite, (D) a high-molecular-weight compound with good compatibility to carboxyl groups as polyethylene oxide, polyvinyl alcohol is incorporated. The amount of component C added is 60W110mol% based on the mol of amide linkages formed in the reaction and component D is 3W40% based on the weight of polyamide formed.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14113478A JPS5569621A (en) | 1978-11-17 | 1978-11-17 | Production of aromatic polyamide |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14113478A JPS5569621A (en) | 1978-11-17 | 1978-11-17 | Production of aromatic polyamide |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5569621A true JPS5569621A (en) | 1980-05-26 |
Family
ID=15284952
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14113478A Pending JPS5569621A (en) | 1978-11-17 | 1978-11-17 | Production of aromatic polyamide |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5569621A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5073440A (en) * | 1989-06-05 | 1991-12-17 | E. I. Du Pont De Nemours And Company | Poly(vinyl pyrrolidone)/p-phenylene terephthalamide composite fibers (pvp/ppd-t) |
US5135687A (en) * | 1989-06-05 | 1992-08-04 | E. I. Du Pont De Nemours And Company | Process for making PVP/para-aramid fibers |
-
1978
- 1978-11-17 JP JP14113478A patent/JPS5569621A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5073440A (en) * | 1989-06-05 | 1991-12-17 | E. I. Du Pont De Nemours And Company | Poly(vinyl pyrrolidone)/p-phenylene terephthalamide composite fibers (pvp/ppd-t) |
US5135687A (en) * | 1989-06-05 | 1992-08-04 | E. I. Du Pont De Nemours And Company | Process for making PVP/para-aramid fibers |
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