The present application relates to a high mechanical strength polymer thin film. The high mechanical strength polymer thin film comprises, by mass percentage, 95%-99% of polyester and 1%-5% of an auxiliary agent. The number average molecular weight of the polyester is 13000 Da to 20000 Da. The…
Provided are a pressure-sensitive adhesive composition, a pressure-sensitive adhesive film, and an organic electronic device. The exemplary pressure-sensitive adhesive composition may provide an encapsulating layer of the pressure-sensitive adhesive film and the organic electronic device, which…
The invention intends to provide a porous film which is formed on a surface of an electrode used for such as a secondary battery and the like, which has excellent binding property and is capable to contribute for improving a cyclic characteristic of the battery. A porous film according to the…
Provided is a porous polypropylene film that is safe and has low air permeation resistance. A porous polypropylene film of the present invention includes a polypropylene resin and a ²-crystal nucleating agent, in which a temperature at which a heat shrinkage rate of a dimension in a width direction…
The porous film of the present invention has an absorbing height of an electrolysis solution of 10 to 60 mm in at least one direction of the film's machine direction or transverse direction, wherein the absorbing height being measured after 30 minutes from the start of the absorption of the…
The porous polypropylene film roll of the present invention is a porous polypropylene film roll of which a porous polypropylene film comprising a polypropylene resin and having the average value of the porosities, µave, of 45 to 90% is wound around a core, and the unevenness of the thickness in the…
Disclosed is a resin composition containing a filler, a high molecular weight polyolefin, and a polyolefin wax having a weight average molecular weight of 700 to 6,000, wherein the resin composition satisfies the following formula (1), assuming that the weight of the ultrahigh molecular weight…
Disclosed is a membrane for a fuel cell, which comprises: a polymer electrolyte membrane which comprises a cross-linked anion-exchange resin having a strongly basic anion-exchange group such as a quaternary ammonium salt group, a quaternary pyridinium salt group and a quaternary imidazolium salt…
Disclosed are a separator for lithium ion secondary batteries, having an inorganic layer formed from inorganic particles, characterized in that the inorganic particles have a particle diameter distribution in which the 50% cumulative particle diameter D 50 is in the range of 100 nm to 500 nm, the…
Disclosed is a poly(4-methyl-1-pentene) resin composition having an excellent balance between micropore formability and toughness, which can sufficiently form fine pores by drawing and does not cause a break during drawing. The poly(4-methyl-1-pentene) resin composition contains 0-90 parts by mass…
Provided is a microporous film which is made of a thermoplastic resin composition comprising (a) 100 parts by mass of a polypropylene resin and (b) 5 to 90 parts by mass of a polyphenylene ether resin, and which has a sea island structure comprising a sea portion comprising the polypropylene resin…
The invention intends to provide a porous film which is formed on a surface of an electrode used for such as a secondary battery and the like, which has excellent binding property and is capable to contribute for improving a cyclic characteristic of the battery. A porous film according to the…
It is intended to provide a proton conducting membrane which is excellent in heat resistance, dimensional stability, fuel barrier properties, flexibility, etc. and exhibits an excellent protonic conductivity even at high temperatures, a method of producing same and a fuel cell which can operate…
A porous film having excellent permeability and mechanical strength and having resistance to film breakage at high temperatures, a battery separator comprising the porous film, and a non-aqueous electrolyte battery using the separator. The porous film comprises a crosslinked material which…
To provide a microporous film having excellent permeability and mechanical strength as well as excellent SD function at low temperatures and film-breaking resistance at high temperatures. A microporous film made of a resin composition at least comprising 1 to 50% by weight of a ring-opening polymer…