Water-resistant starch materials for the production of cast sheets and thermoplastic materials
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United States of America Patent
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Nov 22, 1994
Grant Date -
N/A
app pub date -
Mar 1, 1993
filing date -
Apr 30, 1991
priority date (Note) -
Expired
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Abstract
Water-resistant, thermoplastic starch materials which are processable into environmentally safe, thermoplastically produced products and cast sheets. They consist of starch acyl compounds, obtainable from high amylose starches and their derivatives (being sparingly soluble in water), and of plasticizers (like citric acid ethyl ester, glycerol acetate and lactic acid ester), which have a gelatinizing effect, and preferably, a dissolution property resulting in brilliant transparence and, as can be proved, are biodegradable.
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