| 发明名称 |
Method of enhancing the opacity of paper and paper produce thereof |
| 摘要 |
A method of enhancing the opacity of paper and paper of enhanced opaqueness is provide wherein a reaction product of fatty acid, diamine and rosin acid and further including a surfactant is added to an slurry of cellulose fibers in the papermaking process.
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| 申请公布号 |
US5492600(A) |
申请公布日期 |
1996.02.20 |
| 申请号 |
US19950438750 |
申请日期 |
1995.05.10 |
| 申请人 |
SEQUA CHEMICALS, INC. |
发明人 |
DRAGNER, LOUIS R.;NORTH, BERNARD F. |
| 分类号 |
C08G69/34;C08L77/08;C08L93/04;C09F1/04;D21H17/62;D21H21/24;(IPC1-7):D21H17/07;D21H17/04;D21H17/14;D21H17/16 |
主分类号 |
C08G69/34 |
| 代理机构 |
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