MEMBRANE MADE OF A BLEND OF UHMW POLYOLEFINS
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United States of America Patent
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Jan 14, 2021
app pub date -
Sep 28, 2020
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Mar 22, 2006
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Abstract
A membrane is a microporous sheet made of a blend of a first ultra high molecular weight polyolefin and a second ultra high molecular weight polyolefin. Each polyolefin has a molecular weight, both of those molecular weights are greater than 1 million, and one molecular weight is greater than the other. Additionally, the intrinsic viscosity (IV) of the membrane may be greater than or equal to 6.3.
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