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首页> 外文期刊>Journal of Macromolecular Science. Pure and Applied Chemistry >Miscibility studies of chitosan and starch blends in buffer solution
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Miscibility studies of chitosan and starch blends in buffer solution

机译:壳聚糖和淀粉混合物在缓冲溶液中的混溶性研究

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摘要

The miscibility of chitosan (CS) and starch in buffer solution (CH 3COOH and CH 3COONa) has been investigated by viscosity, density and refractive index methods at 303K, 313K, and 323K. Various interaction parameters such as polymer-polymer and blend-solvent interaction parameters and heat of mixing have been calculated using viscosity and density data. The results indicated the existence of positive interactions in the blend polymer solutions and that they are miscible below 40% of starch compositions. The study also revealed that variation of temperature does have significant effect on the miscibility of chitosan and starch blends.
机译:通过在303K,313K和323K的粘度,密度和折射率方法研究了壳聚糖(CS)和淀粉在缓冲溶液(CH 3COOH和CH 3COONa)中的混溶性。已经使用粘度和密度数据计算了各种相互作用参数,例如聚合物-聚合物和共混物-溶剂相互作用参数以及混合热。结果表明在共混聚合物溶液中存在正相互作用,并且在淀粉成分的40%以下它们可混溶。研究还表明,温度变化确实对壳聚糖和淀粉混合物的混溶性有显着影响。

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