发明名称 |
Ethoxylated alcohol and dialkylphenol surfactants as Kraft pulping additives for reject reduction and yield increase |
摘要 |
A method for enhancing the penetration of cooking liquor into wood chips to form a Kraft pulp which comprises adding to the cooking liquor specific surfactants such as ethoxylated dialkylphenols and ethoxylated alcohols.
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申请公布号 |
US5250152(A) |
申请公布日期 |
1993.10.05 |
申请号 |
US19920913519 |
申请日期 |
1992.07.14 |
申请人 |
BETZ PAPERCHEM, INC. |
发明人 |
LING, TIEN-FENG;HANCOCK, THERESA D. |
分类号 |
D21C3/02;D21C3/22;(IPC1-7):D21C3/02;D21C3/20 |
主分类号 |
D21C3/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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