发明名称 |
Verfahren zur Herstellung von vernetzten Polymeren |
摘要 |
The invention relates to an improved process for the preparation of cross-linked polymers during which polyamino amides (a) are firstly reacted at 10 to 35 DEG C with an quantity of 5 to 40 mol %, in relation to the nitrogen available for cross-linking, of epichlorhydrine, and (b) the intermediate is set to a pH value ranging from 8 to 11 and cross-linked at a temperature in the range of from 20 to 45 DEG C with a further quantity of epichlorhydrine with the result that the molar application ratio is in total 90 to 125 mol % in relation to the nitrogen available for cross-linking. The cross-linked polymers are suitable as wet strength resins for treating paper.
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申请公布号 |
DE19604176(A1) |
申请公布日期 |
1997.08.07 |
申请号 |
DE19961004176 |
申请日期 |
1996.02.06 |
申请人 |
HENKEL KGAA, 40589 DUESSELDORF, DE |
发明人 |
LLOSAS BIGORRA, JOAQUIM, DR., SABADELL, ES |
分类号 |
C08G69/48;C08G73/02;D21H17/55;D21H21/20;(IPC1-7):C08G69/48;C08G69/26 |
主分类号 |
C08G69/48 |
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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