发明名称 Production of paper
摘要 Paper is made by adding nonionic or anionic polymeric retention aid to a suspension that contains a high electrolyte content, shearing the flocculated suspension, aggregating the sheared suspension by adding anionic particulate material (especially bentonite), and draining the suspension.
申请公布号 US5514249(A) 申请公布日期 1996.05.07
申请号 US19940268128 申请日期 1994.07.06
申请人 ALLIED COLLOIDS LIMITED 发明人 CAULEY, THOMAS A.;LANGLEY, JOHN G.;NIXON, ADRIAN
分类号 D21H17/37;D21H17/42;D21H17/44;D21H17/63;D21H17/67;D21H17/68;D21H21/10;D21H23/14;(IPC1-7):D21H21/10 主分类号 D21H17/37
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