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 epichlorohydrin.
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申请公布号 |
US5644021(A) |
申请公布日期 |
1997.07.01 |
申请号 |
US19950487782 |
申请日期 |
1995.06.07 |
申请人 |
HERCULES INCORPORATED |
发明人 |
MASLANKA, WILLIAM IVALTER |
分类号 |
C08G69/26;C08G69/48;C08G73/02;D21H17/55;D21H17/56;D21H21/06;D21H21/20;(IPC1-7):C08G69/26 |
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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地址 |
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