Cellulose acetate and method for producing cellulose acetate

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United States of America Patent

PATENT NO 11066484
APP PUB NO 20200262933A1
SERIAL NO

16067904

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Abstract

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Provided is cellulose acetate with which a hollow fiber membrane having excellent salt rejection and water permeability can be produced. The cellulose acetate, in which a total content of calcium and magnesium is 2.8 to 3.5 μmol/g; a 6 percent viscosity is 40 to 80 mPa·s; a degree of filtration Kw is 35 g−1 or less; a molecular weight distribution Mw/Mn is 3.00 or less; and a degree of acetylation is 61.3 to 62.3%.

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Patent Owner(s)

Patent OwnerAddress
DAICEL CORPORATION3-1 OFUKA-CHO KITA-KU OSAKA-SHI OSAKA 5300011 ?5300011

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Higuchi, Akihiro Himeji, JP 19 54
Oyamada, Naohiro Himeji, JP 1 0

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