发明名称 |
Retention and drainage in the manufacture of paper |
摘要 |
A method of improving retention and drainage in a papermaking process is disclosed. The method provides for the addition of an associative polymer, prepared by an inverse emulsion polymerization process that utilizes multiple, discrete additions of initiator. Additionally, a process for preparation of an associative polymer, prepared by an inverse emulsion polymerization process that utilizes multiple discrete additions of initiator is disclosed. |
申请公布号 |
US8206553(B2) |
申请公布日期 |
2012.06.26 |
申请号 |
US20050313505 |
申请日期 |
2005.12.21 |
申请人 |
GELMAN ROBERT A.;DOHERTY ERIN A. S.;HERCULES INCORPORATED |
发明人 |
GELMAN ROBERT A.;DOHERTY ERIN A. S. |
分类号 |
D21H17/43;D21H17/45;D21H21/10;D21H23/04 |
主分类号 |
D21H17/43 |
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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