About 16 results
https://drivepatents.com/patents/981385 · 4 Dec 2013
This polyolefin resin porous film can be easily produced, and when used as a non-aqueous electrolyte cell separator, can suppress clogging and can evince a high cell output. The polyolefin resin porous film is a porous film having a polyolefin resin as the...
https://drivepatents.com/patents/987499 · 14 Aug 2013
The purpose is to provide a porous polyolefin resin film which has high gas permeability and a high porosity, and which can exhibit excellent properties including break down properties when used as a separator for a non-aqueous electrolyte secondary batter...
https://drivepatents.com/patents/987805 · 7 Aug 2013
The purpose of the present invention is to provide a laminated porous film in which the adhesion between a polyolefin resin porous film that serves as a base film and a coating layer is high, and which has heat resistance and can exhibit excellent properti...
https://drivepatents.com/patents/987804 · 7 Aug 2013
The purpose is to provide a laminated porous film having shutdown characteristics, which are important in terms of ensuring safety, while also having excellent air permeation performance, which contributes to electrical performance, when used a separator f...
https://drivepatents.com/patents/992309 · 27 Mar 2013
Provided is a laminated porous film having excellent shutdown characteristics and breakdown characteristics, good tearing strength and dimensional stability, and B activity. The laminated porous film comprises layer A, the main component of which is a poly...
https://drivepatents.com/patents/992741 · 27 Feb 2013
Disclosed is a laminated porous film that simultaneously satisfies communication, heat resistance and workability and has excellent properties as a separator for non-aqueous electrolyte secondary batteries. The laminated porous film is characterized in tha...
https://drivepatents.com/patents/993667 · 23 Jan 2013
As a porous film in which the air-permeability at the time of elongation of the porous film was adjusted, whereby, when used as a battery separator, the holes of a separator in an electrode/separator wound body have been controlled, a polypropylene series ...
https://drivepatents.com/patents/993663 · 23 Jan 2013
As an object of the present invention, to provide a polyolefin resin porous film fulfilling high continuity, excellent dimensional stability and shutdown function which closes the pores sensitively and completely in a temperature range of 120 to 140°C wit...
https://drivepatents.com/patents/993658 · 23 Jan 2013
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 environment, a porous polypropylene film is proposed, satisfying t...
https://drivepatents.com/patents/994188 · 9 Jan 2013
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 separator, a polypropylene series resin porous film fabricated...