发明名称 |
Porous composite material and process for preparing same |
摘要 |
A porous composite material includes a porous body formed of a hydrophobic polymer such as polyvinyl chloride and a layer of a hydrophilic polymer such as polyvinyl alcohol provided over at least a portion of the interior surface of each of the pores of the porous body. The composite material is obtained by a process including the steps of dispersing an aqueous solution containing a hydrophilic polymer and a foaming agent into a solution of a hydrophobic polymer in an organic solvent to form an emulsion, removing the water and the organic solvent from the emulsion to obtain a solid, and subjecting the solid to foaming conditions.
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申请公布号 |
US4394457(A) |
申请公布日期 |
1983.07.19 |
申请号 |
US19800144205 |
申请日期 |
1980.04.28 |
申请人 |
AGENCY OF INDUSTRIAL SCIENCE & TECHNOLOGY |
发明人 |
OGASA, TATSUO |
分类号 |
C08J9/00;C08J9/06;(IPC1-7):C08J9/40;C08J9/42 |
主分类号 |
C08J9/00 |
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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