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Title:
POROUS MEMBRANE AND METHOD FOR PRODUCING THE SAME
Document Type and Number:
Japanese Patent JP2008248075
Kind Code:
A
Abstract:

To provide a porous membrane which has elasticity, flexibility and high mechanical strength and can be used in various fields, and to provide a method for producing the same.

The porous membrane 10 comprises a thermoplastic elastomer, wherein at least part of the thermoplastic elastomer is crosslinked or polymerized. The porous membrane in which pores are formed in a honeycomb form can be produced by a method comprising the steps of: applying an organic solvent solution containing a thermoplastic elastomer on a base material, forming droplets in the membrane of the organic solvent solution applied on the base material followed by evaporating the organic solvent and the droplets to obtain a porous membrane in which pores are formed in the portions where the droplets are evaporated, and crosslinking or polymerizing the thermoplastic elastomer contained in the porous membrane.


Inventors:
ISHIZUKA KENICHI
Application Number:
JP2007090854A
Publication Date:
October 16, 2008
Filing Date:
March 30, 2007
Export Citation:
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Assignee:
FUJIFILM CORP
International Classes:
C08J9/26
Domestic Patent References:
JP2007004146A2007-01-11
JP2006070254A2006-03-16
JP2007004146A2007-01-11
JP2006070254A2006-03-16
Foreign References:
WO2006080362A12006-08-03
WO2006090579A12006-08-31
WO2006080362A12006-08-03
Attorney, Agent or Firm:
Atsushi Nakajima
Kato Kazunori
Katsuichi Nishimoto
Hiroshi Fukuda



 
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