发明名称 |
Improved 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, a microparticle and optionally a siliceous material to a papermaking slurry. Additionally, a composition comprising an associative polymer and a microparticle and optionally further comprising cellulose fiber is disclosed. |
申请公布号 |
ZA200706299(B) |
申请公布日期 |
2008.12.31 |
申请号 |
ZA20070006299 |
申请日期 |
2007.07.30 |
申请人 |
HERCULES INCORPORATED |
发明人 |
SUTMAN, FRANK J.;GELMAN, ROBERT A.;HARRINGTON, JOHN C. |
分类号 |
D21H |
主分类号 |
D21H |
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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