发明名称 |
Structurally rigid polymer coagulants as retention and drainage aids in papermaking |
摘要 |
This invention concerns a method of increasing retention and drainage in a papermaking furnish comprising adding to the furnish an effective amount of a structurally rigid polymeric coagulant and an effective flocculating amount of a flocculant and a microparticle.
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申请公布号 |
US2002112836(A1) |
申请公布日期 |
2002.08.22 |
申请号 |
US20000740546 |
申请日期 |
2000.12.20 |
申请人 |
WARD WILLIAM J.;DUNHAM ANDREW J. |
发明人 |
WARD WILLIAM J.;DUNHAM ANDREW J. |
分类号 |
C08G73/00;C08G73/02;D21H17/54;D21H21/10;(IPC1-7):D21H17/07;D21H17/17;D21H17/55;D21H17/63 |
主分类号 |
C08G73/00 |
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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