| 发明名称 |
Process for bleaching and delignifying cellulose-containing products |
| 摘要 |
The present invention provides a process for bleaching and delignifying cellulose-containing products with peroxides and/or oxygen and/or ozone, wherein there is additionally used 0.01 to 2.5% by weight of cyanamide and/or cyanamide salts, referred to the dry weight of the cellulose.
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| 申请公布号 |
US5034096(A) |
申请公布日期 |
1991.07.23 |
| 申请号 |
US19860939562 |
申请日期 |
1986.12.09 |
| 申请人 |
SKW TROSTBERG AKTIENGESELLSCHAFT |
发明人 |
HAMMER, BENEDIKT;MICHAUD, HORST;WEISS, STEFAN |
| 分类号 |
D21C9/147;D21C9/10;D21C9/153;D21C9/16 |
主分类号 |
D21C9/147 |
| 代理机构 |
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| 地址 |
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