| 发明名称 |
SYNTHESIS OF HIGH SOLIDS-CONTENT WET-STRENGTH RESIN |
| 摘要 |
Disclosed is an improvement in a method of making a water-soluble epichlorohydrin resin involving reacting epichlorohydrin with a polyaminoamide. The improvement involves preparing the polyaminoamide in the presence of an acid catalyst (low temperature condensation) followed by reaction with apichlorohydrin.
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| 申请公布号 |
CA2058009(C) |
申请公布日期 |
1998.08.18 |
| 申请号 |
CA19912058009 |
申请日期 |
1991.12.18 |
| 申请人 |
HERCULES INCORPORATED |
发明人 |
MASLANKA, WILLIAM W. |
| 分类号 |
C08G69/26;C08G69/48;C08G73/02;D21H17/55;D21H17/56;D21H21/06;D21H21/20;(IPC1-7):C08G69/26;C08L77/06 |
主分类号 |
C08G69/26 |
| 代理机构 |
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代理人 |
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| 主权项 |
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