发明名称 |
CATIONIC OR AMPHOTERIC COPOLYMERS PREPARED IN AN INVERSE EMULSION MATRIX AND THEIR USE IN PREPARING CELLULOSIC FIBER COMPOSITIONS |
摘要 |
<p>A papermaking method and a composition which utilize, as a drainage aid, a water-soluble cationic or amphoteric copolymer prepared via a water-in-oil polymerization technique that, absent a cross-linking agent, is characterized by a Huggins' constant (k') determined in 0.01M NaCl greater than 0.3 and a storage modulus (G') at 6.3 Hz greater than 50 Pa.</p> |
申请公布号 |
EP1581564(B1) |
申请公布日期 |
2009.02.25 |
申请号 |
EP20030812878 |
申请日期 |
2003.12.05 |
申请人 |
HERCULES INCORPORATED |
发明人 |
HOLLOMON, MARTHA;WALCHUK, BRIAN;SUTMAN, FRANK |
分类号 |
C08F2/32;C08F220/06;C08F220/56;C08F222/00;C08F293/00;C08L53/00;D21H17/41;D21H17/44;D21H17/45;D21H21/10 |
主分类号 |
C08F2/32 |
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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