#TORAY BATTERY SEPARATOR FILM [JP]

POLYOLEFIN MICROPOROUS FILM AND METHOD FOR PRODUCING SAME

Provided are a polyolefin microporous membrane produced by forming a gel-like molding using a polyolefin resin containing polypropylene, and stretching the molding in at least one direction, followed …

DRIVE·Nov 5·1 min read

B29C48/0018 TORAY BATTERY SEPARATOR FILM [JP]

MICROPOROUS MEMBRANE ROLL AND METHOD OF MANUFACTURING SAME

A microporous membrane roll (33) comprises cores (1, 11, 21, 31) formed in whole or in part from electrically conductive members (12, 13), and microporous membranes (34, S) which are wound around the …

DRIVE·Oct 15·2 min read

B65H75/10 TORAY BATTERY SEPARATOR FILM [JP]

BATTERY SEPARATOR

Provided is a battery separator comprising a microporous polyolefin membrane and a modifying porous layer laminated on at least one surface of the microporous polyolefin membrane, wherein the micropor…

DRIVE·Jul 2·1 min read

B01D71/261 TORAY BATTERY SEPARATOR FILM [JP]

BATTERY SEPARATOR, AND METHOD FOR PRODUCING SAME

Provided is a battery separator, comprising a porous membrane A comprising a polyolefin resin, and a porous membrane B laminated thereon comprising a fluororesin and inorganic particles or cross-linke…

DRIVE·May 28·1 min read

B32B27/322 TORAY BATTERY SEPARATOR FILM [JP]

MULTILAYER MICROPOROUS FILM, PROCESS FOR PRODUCTION OF THE FILM, AND USE OF THE FILM

The invention generally relates to polymer film, and more particularly relates to polymeric membranes, methods for producing such membranes, and the use of such membranes as battery separator film. In…

DRIVE·Nov 20·1 min read

B32B27/08 TORAY BATTERY SEPARATOR FILM [JP]

COMPOSITE POROUS FILM AND METHOD FOR PRODUCING SAME

Provided is a composite porous membrane that simultaneously provides excellent adhesion of a heat-resistant resin layer and a small rising range of air resistance. The composite porous membrane of the…

DRIVE·Jul 10·1 min read

B32B27/08 TORAY BATTERY SEPARATOR FILM [JP]