基本信息:
- 专利标题： 불화비닐리덴계 수지 다공막 및 그 제조 방법
- 专利标题（英）：Porous vinylidene fluoride resin membrane and process for producing same
- 专利标题（中）：多孔乙烯基氟化物树脂膜及其制造方法
- 申请号：KR1020127005700 申请日：2010-09-06
- 公开(公告)号：KR1020120043054A 公开(公告)日：2012-05-03
- 发明人： 다다,야스히로 , 다카하시,다케오
- 申请人： 가부시끼가이샤 구레하
- 申请人地址： *-*-*, Nihonbashi-Hamacho, Chuo-Ku, Tokyo, Japan
- 专利权人： 가부시끼가이샤 구레하
- 当前专利权人： 가부시끼가이샤 구레하
- 当前专利权人地址： *-*-*, Nihonbashi-Hamacho, Chuo-Ku, Tokyo, Japan
- 代理人： 장수길; 박보현
- 优先权： JPJP-P-2009-204743 2009-09-04; JPJP-P-2009-237025 2009-10-14; JPJP-P-2009-237026 2009-10-14
- 国际申请： PCT/JP2010/065205 2010-09-06
- 国际公布： WO2011027878 2011-03-10
- 主分类号： B01D71/34
- IPC分类号： B01D71/34 ; B01D69/08 ; B01D69/00 ; B29C47/88
4 (㎛
4 )와의 비, Q/P1
4 가 5×10
4 (m/일?㎛
4 ) 이상.
The present invention asymmetric continuously expanding the hole diameter has a main two surfaces sandwiching any thickness, has a dense layer that dominates a hole diameter on the surface side is small filtration performance, over the opposite side surface from the surface mesh-type structure also has a slope to (a) characterized in that to satisfy the condition of (c) of, and the vinylidene fluoride resin porous membrane: (a) thickness 5㎛ continuous from the one surface of the dense layer the void ratio of the portion A1 more than 60%, (b) less than the surface hole diameter P1 of the surface 0.30㎛, and (c) differential pressure 100㎪, transmission amount in a test length L = 200㎜ measured under the condition of temperature 25 ℃ in terms of the value Q (m / day) and, with 4 seunggap P1
4 of the surface hole of the surface diameter P1 (㎛
4) ratio, Q / P1
4 is 5 × 10
4 to the entire bed porosity A2 = 80% of ( m /
day? ㎛ 4) above.
公开/授权文献:
- KR101372056B1 불화비닐리덴계 수지 다공막 및 그 제조 방법 公开/授权日：2014-03-07