#B29C55/005

POLYESTER FIBER FOR SEAT BELTS, AND METHOD FOR MANUFACTURING SAME

The present invention relates to a high strength polyester fiber for a seat belt, and in particular, to a polyester fiber for a seat belt having intrinsic viscosity of 0.8 to 1.5 dl/g, tensile strengt…

DRIVE·May 6·1 min read

B29C55/005 KOLON INC [KR]

POROUS FILM, SEPARATOR FOR ELECTRICITY-STORING DEVICE, AND ELECTRICITY-STORING DEVICE

A porous film is provided that excels, when used as a separator for a lithium-ion battery, not only in separator followability to expansion and contraction of an electrode during charging and discharg…

DRIVE·Dec 11·2 min read

B29C55/005 TORAY INDUSTRIES [JP]

POROUS POLYPROPYLENE FILM

In order to provide a porous polypropylene film in which the ratio of change in air permeability is small and the initial air-permeating property is satisfactory even under high temperature environmen…

DRIVE·Jan 23·1 min read

B29C55/005 MITSUBISHI PLASTICS INC [JP]

METHOD OF PRODUCING A POROUS POLYPROPYLENE RESIN FILM, CELL SEPARATOR, AND CELL

Regarding a polypropylene series resin porous film having a polypropylene series resin as the main component, so as to exert excellent slipping ability and processability when used as a battery separa…

DRIVE·Jan 9·1 min read

B29C55/005 MITSUBISHI PLASTICS INC [JP]

POROUS POLYPROPYLENE FILM AND PRODUCTION METHOD THEREFOR

This invention is a porous polypropylene film, in which the number of such portions where the quantity of light transmitted through each portion is not smaller than 5 times the average quantity of lig…

DRIVE·Jan 25·1 min read

B29C55/005 TORAY INDUSTRIES [JP]

SUCCESSIVELY BIAXIAL-ORIENTED POROUS POLYPROPYLENE FILM AND PROCESS FOR PRODUCTION THEREOF

Disclosed is a successively biaxially stretched film obtained by successive biaxial stretching method comprising extruding a melt of a beta -crystal nucleating agent-containing polypropylene-based res…

DRIVE·Dec 10·2 min read

B29C55/005 NEW JAPAN CHEM CO LTD [JP]