| 发明名称 |
Mass coloration of polyamides |
| 摘要 |
A process for the mass coloration of polyamide chips in which a dye of the formula IN WHICH R is hydrogen or chloro is used. The dye is absorbed quantitatively or virtually quantitatively from the aqueous phase. After shaping, pure blue colorations are obtained having great thermal stability.
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| 申请公布号 |
US3941742(A) |
申请公布日期 |
1976.03.02 |
| 申请号 |
US19740500637 |
申请日期 |
1974.08.26 |
| 申请人 |
BADISCHE ANILIN- & SODA-FABRIK AKTIENGESELLSCHAFT |
发明人 |
GRASER, FRITZ |
| 分类号 |
C08L77/00;C08K5/42;C09B1/34;D01F1/06;D01F6/90;(IPC1-7):C09B1/32 |
主分类号 |
C08L77/00 |
| 代理机构 |
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