| 发明名称 |
Solvent system comprising N-alkyl substituted amide and quaternary ammonium compound |
| 摘要 |
A process and its product are disclosed whereby poly-p-phenylene terephthalamide is prepared in a polymerization solvent comprising an N-alkyl-substituted amide, preferably N-methyl-2-pyrrolidone, and a quaternary ammonium chloride, preferably methyl-tri-n-butylammonium chloride.
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| 申请公布号 |
US4684409(A) |
申请公布日期 |
1987.08.04 |
| 申请号 |
US19860819595 |
申请日期 |
1986.01.17 |
| 申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
HODGE, JAMES D.;LEE, KIU-SEUNG |
| 分类号 |
C08G69/26;C08G69/28;C08G69/32;(IPC1-7):C08K5/16;C08K5/20 |
主分类号 |
C08G69/26 |
| 代理机构 |
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