发明名称 |
FILTER MEDIUM AND METHOD OF PRODUCING THE SAME |
摘要 |
PROBLEM TO BE SOLVED: To provide a filter medium having proper buoyancy in dirty liquid, and a method of producing such a filter medium.SOLUTION: A filter medium is mainly composed of a foam comprising in a polyolefin resin a plurality of hollow spherical particles formed by heating thermally expandable microcapsules. |
申请公布号 |
JP2014200756(A) |
申请公布日期 |
2014.10.27 |
申请号 |
JP20130080221 |
申请日期 |
2013.04.08 |
申请人 |
SANWA KAKO CO LTD |
发明人 |
SAWARA MASAAKI;FUJIMURA KAZUYOSHI;UEKI YUJI |
分类号 |
B01D39/04;B29C47/00;C08J9/32 |
主分类号 |
B01D39/04 |
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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