#TONEN SEKIYUKAGAKU KK [JP]

METHOD FOR PRODUCING THERMOPLASTIC RESIN MICRO-POROUS FILM

A method for producing a thermoplastic resin micro-porous film wherein a thermoplastic resin and a solvent (A) are melted and kneaded together to prepare a solution, the solution is extruded and coole…

DRIVE·Apr 9·1 min read

B01D67/00 TONEN SEKIYUKAGAKU KK [JP]

MICROPOROUS POLYOLEFIN FILM AND PROCESS FOR PRODUCING THE SAME

The present invention provides a microporous polyolefin membrane of high permeability and novel structure, and also provides a method of producing the same, wherein its average pore size is gradually …

DRIVE·Nov 14·1 min read

B01D67/0027 TONEN SEKIYUKAGAKU KK [JP]

MICROPOROUS POLYOLEFIN FILM AND PROCESS FOR PRODUCING THE SAME

The present invention provides a microporous polyolefin membrane of novel structure, and also provides a method of producing a microporous polyolefin membrane of high permeability and novel structure.…

DRIVE·Nov 14·2 min read

B01D67/0009 TONEN SEKIYUKAGAKU KK [JP]

POLYOLEFIN MICROPOROUS FILM AND METHOD FOR PREPARING THE SAME

It is an object of the present invention to provide a microporous polyolefin membrane, high in pin puncture strength, adequate in pore diameter and high in porosity, comprising (A) an ultra-high-molec…

DRIVE·May 9·1 min read

B01D71/261 TONEN SEKIYUKAGAKU KK [JP]

POLYOLEFIN MICROPOROUS FILM AND METHOD FOR PREPARING THE SAME

It is an object of the present invention to provide a microporous polyolefin membrane, high in elongation and porosity, low in shrinkage, and capable of improving battery characteristics, safety and p…

DRIVE·May 9·1 min read

B01D67/0027 TONEN SEKIYUKAGAKU KK [JP]