Method of preparing crosslinked starch esters
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United States of America Patent
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May 13, 1997
Grant Date -
N/A
app pub date -
Mar 31, 1995
filing date -
Mar 31, 1995
priority date (Note) -
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Abstract
A process for preparing biodegradable, high humidity resistant crosslinked starch esters comprising reacting starch with monocarboxylic acid anhydride in a caustic catalyzed system to a DS of about 1.3 to 2.7 and crosslinking the starch ester in the same reaction mixture with polyfunctional acid and/or anhydride.
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