Polyethylene powder, microporous membrane, and fiber

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United States of America Patent

PATENT NO 9362539
APP PUB NO 20150249242A1
SERIAL NO

14635417

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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It is intended to provide a polyethylene powder which can offer a fiber excellent in resistance to end breakage, dimensional stability, and acid resistance and/or a microporous membrane excellent in dimensional stability and acid resistance, and a microporous membrane and a fiber which are obtained by forming the polyethylene powder. The present invention provides a polyethylene powder comprising: 0.5 ppm or higher and 3,000 ppm or lower of aluminum hydroxide having an average particle size smaller than 50 μm; and 0.5 ppm or higher and 12 ppm or lower of a magnesium element, wherein the polyethylene has a viscosity-average molecular weight of 100,000 or larger.

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Patent Owner(s)

  • ASAHI KASEI CHEMICALS CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujiwara, Akio Tokyo, JP 23 299
Kamo, Hiroshi Tokyo, JP 15 94

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