发明名称 |
Porous polyvinylidene fluoride resin film and process for producing the same |
摘要 |
A porous hollow fiber polyvinylidene fluoride resin membrane, characterized in that the membrane has a unitary three-dimensional network structure entirely composed of a polyvinylidene fluoride resin and has an inside diameter of 1.5-5 mm and a wall thickness of 0.5-2 mm and in that the relationship between membrane bubble point and water flux per unit wall thickness is on or above the curve shown in FIG. 1.
|
申请公布号 |
US6299773(B1) |
申请公布日期 |
2001.10.09 |
申请号 |
US19990445955 |
申请日期 |
1999.12.16 |
申请人 |
ASAHI KASEI KOGYO KABUSHIKI KAISHA |
发明人 |
TAKAMURA MASAKAZU;YOSHIDA HITOSHI |
分类号 |
B01D69/02;B01D69/08;B01D71/34;D01D5/24;D01F6/12;(IPC1-7):B01D71/34 |
主分类号 |
B01D69/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|