| 发明名称 |
BLEACHING OF LIGNOCELLULOSIC MATERIAL WITH DIOXIRANES |
| 摘要 |
A process of bleaching a chemical pulp with a dioxirane produces a pulp of good quality and reduces environmental concerns in so doing. A chemical pulp is contacted with a dioxirane, and either with or without known bleaching agents, in combination or sequence.
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| 申请公布号 |
CA2073862(C) |
申请公布日期 |
1996.12.03 |
| 申请号 |
CA19902073862 |
申请日期 |
1990.02.16 |
| 申请人 |
PULP AND PAPER RESEARCH INSTITUTE OF CANADA |
发明人 |
LEE, CHUNG-LI |
| 分类号 |
D21C9/14;D21C9/16;(IPC1-7):D21C9/10 |
主分类号 |
D21C9/14 |
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