| 发明名称 |
Surface application of polymers and polymer mixtures to improve paper strength |
| 摘要 |
Stable, coating compositions useful for enhancing the dry strength of paper are disclosed. The compositions comprise an aqueous solution of nearly neutral polymer, cationic polymer and starch. Method of using the coating composition to improve the dry strength of paper is also disclosed. |
| 申请公布号 |
US8696869(B2) |
申请公布日期 |
2014.04.15 |
| 申请号 |
US20100940197 |
申请日期 |
2010.11.05 |
| 申请人 |
BORKAR SACHIN;PUTNAM MARC C.;HERCULES INCORPORATED |
发明人 |
BORKAR SACHIN;PUTNAM MARC C. |
| 分类号 |
C08L3/00;C08L3/02;C08L33/26;D21H17/28;D21H21/00;D21H21/10;D21H21/18 |
主分类号 |
C08L3/00 |
| 代理机构 |
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