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.
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
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