发明名称 |
FILTER MEDIUM FOR LIQUID FILTRATION AND PROCESS FOR PRODUCING THE SAME |
摘要 |
<p>A filter medium for liquid filtration of fine texture exhibiting high strength when wetted with water, which filter medium is comprised of a wet-laid nonwoven fabric. There is provided a filter medium for liquid filtration comprised of a wet-laid nonwoven fabric, characterized in that through blending of 0.5 to 40 wt.% of unbeaten natural fibers, it exhibits a very fine texture, a lowering ratio, calculated from bursting strength in ordinary state and bursting strength when wetted with water, of 30% or below, and a bursting strength, had when wetted with water, of 300 kPa or greater.</p> |
申请公布号 |
WO2006008828(A1) |
申请公布日期 |
2006.01.26 |
申请号 |
WO2004JP10681 |
申请日期 |
2004.07.21 |
申请人 |
HOKUETSU PAPER MILLS, LTD.;SAKADUME, NOBUYUKI;MEGURO, EIKO;SOYAMA, TOSHIHIKO |
发明人 |
SAKADUME, NOBUYUKI;MEGURO, EIKO;SOYAMA, TOSHIHIKO |
分类号 |
(IPC1-7):B01D39/12 |
主分类号 |
(IPC1-7):B01D39/12 |
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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