发明名称 |
Method for producing fibrous sheet |
摘要 |
A fibrous sheet bonded with a latex flocculate is produced by adding zinc white powders to a carboxyl modified anionic latex, adjusting the pH to at least 7, adding thereto a water soluble cationic polymer to obtain a latex flocculate, adding thus obtained flocculate to a fiber slurry and subjecting the fiber slurry to a known wet paper making process.
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申请公布号 |
US4121966(A) |
申请公布日期 |
1978.10.24 |
申请号 |
US19770765752 |
申请日期 |
1977.02.04 |
申请人 |
MITSUBISHI PAPER MILLS, LTD. |
发明人 |
AMANO, MASAHIRO;KOIKE, TAKASHI |
分类号 |
D21H17/34;D21H17/35;D21H17/36;D21H17/37;D21H17/43;(IPC1-7):D21D3/00 |
主分类号 |
D21H17/34 |
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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