发明名称 |
Additives for increased retention and pitch control in paper manufacture |
摘要 |
A process is disclosed for the production of paper and paper-like products which consists of the addition to the papermaking furnish of kraft lignin or modified kraft lignin and poly(oxyethylene).
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申请公布号 |
US4313790(A) |
申请公布日期 |
1982.02.02 |
申请号 |
US19800135596 |
申请日期 |
1980.03.31 |
申请人 |
PULP AND PAPER RESEARCH INSTITUTE OF CANADA |
发明人 |
PELTON, ROBERT H.;ALLEN, LAWRENCE H.;NUGENT, HENRY M. |
分类号 |
D21H17/23;D21H17/53;D21H21/02;D21H21/10;(IPC1-7):D21H3/18 |
主分类号 |
D21H17/23 |
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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