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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Mar 12, 1996
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app pub date -
Sep 9, 1994
filing date -
Apr 30, 1991
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Abstract
The present invention relates to water-resistant, thermoplastic starch materials processable into environmentally safe, thermoplastically produced products and cast sheets, which consist of starch acyl compounds, obtainable from high amylose starches and the derivatives thereof and being sparingly soluble in water, and of plasticizers which like ethyl citrate, glycerol acetate and lactic acid ester have a gelatinizing effect and preferably a dissolution property resulting in brilliant transparence and, as can be proved, are biodegradable.
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