Continuous hydrolysis of cellulose acetate
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United States of America Patent
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Nov 15, 1994
Issued Date -
N/A
app pub date -
Apr 23, 1993
filing date -
Jan 13, 1992
priority date (Note) -
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Abstract
Disclosed is a process comprising continuously flowing a composition through a hydrolysis zone so as to achieve a residence time distribution such that at least 81% of the area under the residence time distribution curve is within plus or minus 50% of the mean residence time. The composition comprises cellulose triacetate in the range of 5 to 30%, water in the range of 4 to 25%, and acetic acid in the range of 45 to 91%.
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