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.
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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 |
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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