MICROPOROUS SEPARATION MEMBRANE COMPRISING POLYPROPYLENE RESIN
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United States of America Patent
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Feb 25, 2016
app pub date -
Feb 25, 2014
filing date -
Apr 15, 2013
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Abstract
Provided is a microporous separation membrane using a polypropylene resin, and more specifically, a microporous polymer separation membrane produced using a polypropylene resin, of which, at 230° C. under 2.16 kg, the melt index is 0.5 to 10 g/10 min., the polydispersity index is 5 or more, and the stereoregularity (isotactic index) is 94% or more.
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