| 发明名称 |
Use of additives in pulp bleaching processes to preserve pulp strength |
| 摘要 |
Improved pulp strength and brightness of chemically produced pulp can be obtained by treating the pulp with the addition of 0.05-0.5% based on the weight of the dry fiber of certain amine materials in the hypochlorite bleaching stage.
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| 申请公布号 |
US4298428(A) |
申请公布日期 |
1981.11.03 |
| 申请号 |
US19800176230 |
申请日期 |
1980.08.07 |
| 申请人 |
NALCO CHEMICAL COMPANY |
发明人 |
BRESLIN, MICHAEL D.;COSPER, DAVID R. |
| 分类号 |
D21C9/10;(IPC1-7):D21C3/18 |
主分类号 |
D21C9/10 |
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