发明名称 |
PERSULFATE MIXTURES FOR REPULPING WET STRENGTH PAPER |
摘要 |
<p>A composition containing a persulfate and a carbonate, a bicarbonate or sesquicarbonate, which composition is suitable for oxidizing wet strength resin based broke used in wet strength paper. The combination decreases the time required for effectively repulping broke from such paper. Additionally, the combination is a single product capable of breaking down the wet strength resin and adjusting or maintaining pH at a predetermined value without additional chemical treatment.</p> |
申请公布号 |
CA2157880(C) |
申请公布日期 |
2004.07.13 |
申请号 |
CA19942157880 |
申请日期 |
1994.02.24 |
申请人 |
FMC CORPORATION |
发明人 |
CAROPRESO, FRANK EDWARD;THORP, DEAN SAMUEL;TIECKELMANN, ROBERT HUGO |
分类号 |
D21B1/14;D21C5/02;D21H21/20;(IPC1-7):D21C5/02 |
主分类号 |
D21B1/14 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|