Title:
COATING LIQUID, LAMINATED POROUS FILM, AND METHOD FOR PRODUCING LAMINATED POROUS FILM
Document Type and Number:
Japanese Patent JP2013133418
Kind Code:
A
Abstract:
To provide a separator having high ion permeability and capable of controlling coming out of a powder, and to provide a coating liquid suitable for production thereof.
This coating liquid includes a filler, a medium and a binder resin. The binder resin comprises ≥90 wt.% of carboxymethyl cellulose (CMC) based on the total amount of the binder resin. The CMC is a mixture which meets a relationship of (CMC-A)/[(CMC-A)+(CMC-B)]=0.6 to 0.9 (weight ratio), wherein (CMC-A) represents CMC having a degree of etherification of 0.5 to 0.7, and (CMC-B) represents CMC having a degree of etherification of 1.1 to 1.5.
Inventors:
HASEGAWA HIROHIKO
Application Number:
JP2011284972A
Publication Date:
July 08, 2013
Filing Date:
December 27, 2011
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO
International Classes:
C09D101/10; B05D7/24; B32B5/18; B32B27/32; C09D5/00; C09D7/12; H01M2/16
Attorney, Agent or Firm:
Toru Nakayama
Toru Sakamoto
Toru Sakamoto
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