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Process for producing starch ester, starch ester, and starch ester composition
Process for producing starch ester, starch ester, and starch ester composition
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机译:淀粉酯,淀粉酯和淀粉酯组合物的生产方法
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摘要
The method for producing starch esters using vinyl ester as the esterifying agent; The present invention is characterized in that a vinyl ester where the ester residue has from 2 to 18 carbon atoms is used as the esterifying agent and this is reacted with a starch in a non-aqueous organic solvent in presence of an esterification catalyst. This starch ester composition has a high degree of substitution, high molecular weight, high water proof and biodegradability. This starch ester composition may be shaped into the moldings having much higher mechanical strength and better physical properties.
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