发明名称 |
PROCEDEU PENTRU PREPARAREA UNOR SUPRAFETE MICROPOROASE PERMEABILE LA VAPORI DE APA |
摘要 |
<p>A method for making microporous sheets is provided wherein a dispersion of a cationic and/or anionic polyurethane is mixed with a solution containing a non-ionic polyurethane and the resulting mixture is coagulated with a non-solvent for the non-ionic polyurethane.</p> |
申请公布号 |
RO69545(A) |
申请公布日期 |
1981.06.30 |
申请号 |
RO19740079887 |
申请日期 |
1974.08.31 |
申请人 |
BAYER AG,DE |
发明人 |
REISCHL,ARTUR,DE |
分类号 |
C08J9/28;C08L75/00;D06M15/564;D06M15/643;D06M15/653;D06N3/14;(IPC1-7):08G18/08 |
主分类号 |
C08J9/28 |
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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