Process for production of cellulose acetate molding materials
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United States of America Patent
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-
Dec 19, 1989
Grant Date -
N/A
app pub date -
Oct 7, 1988
filing date -
Oct 8, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process for producing a cellulose acetate molding material which comprises dissolving cellulose diacetate in a mixed solvent of acetone and water to prepare a dope and then spinning or film forming the dope, wherein at least one compound selected from the group consisting of water-soluble salts and bases is added to the water to be used in preparation of the dope.
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