Title:
耐熱性微多孔膜
Document Type and Number:
Japanese Patent JP3979521
Kind Code:
B2
Abstract:
A heat resistant microporous membrane containing a thermoplastic resin having a crystalline melting point of 140-300 DEG C and having a layer structure formed in the direction of membrane thickness, said layer structure containing 5-100% of a layer defined by the following (A) and 95-0% of a layer defined by the following (B): (A) a layer in which the micropores are intra-spherulitic voids, and (B) a layer in which the micropores are intra-spherulitic voids and inter-spherulitic voids.
Inventors:
Hojuzan Izumi
Nagoya Fujiharu
Ichiro Oguma
Nagoya Fujiharu
Ichiro Oguma
Application Number:
JP2001531491A
Publication Date:
September 19, 2007
Filing Date:
October 20, 2000
Export Citation:
Assignee:
Asahi Kasei Medical Co., Ltd.
International Classes:
B01D69/02; A61M1/02; B01D67/00; B01D71/34; B32B5/32; B32B27/00; C08F14/22; C08J9/26; H01M50/426; H01M50/449; H01M50/489; H01M50/491; H01M50/494
Domestic Patent References:
| JP11199692A | ||||
| JP11319522A | ||||
| JP5192547A | ||||
| JP2180940A | ||||
| JP9328566A | ||||
| JP10062267A | ||||
| JP2001062267A |
Foreign References:
| WO1999047593A1 |
Attorney, Agent or Firm:
Masami Sakai
Norio Kagami
Hidetake Komatsu
Jun Komatsu
Norio Kagami
Hidetake Komatsu
Jun Komatsu