| 发明名称 |
Preparation of differentially dyeable polyamide having N-haloamine end groups and amino end groups |
| 摘要 |
A method for producing a differentially dyeable polyamide is disclosed. Polyamides produced according to the process of this invention will have distinct areas thereon that show varying degrees of receptivity to acid dyes and can thereby be differentially dyed using a single dyebath.
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| 申请公布号 |
US4777222(A) |
申请公布日期 |
1988.10.11 |
| 申请号 |
US19870060227 |
申请日期 |
1987.06.10 |
| 申请人 |
ARMSTRONG WORLD INDUSTRIES, INC. |
发明人 |
PHAN, XUAN T.;SHANNON, PAUL J.;SCHWARTZ, ANNE L. |
| 分类号 |
C08G69/48;(IPC1-7):C08G69/48 |
主分类号 |
C08G69/48 |
| 代理机构 |
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