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Effect of rheological properties of composition based on modified starch on film formation

机译:基于改性淀粉对膜形成的组合物流变性能的影响

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This study investigated the use of carboxymethylated corn starch with sodium alginate for films preparation.The rheological properties as well as water absorption and mechanical properties of aqueous solutions and films of corn starch,carboxymethylated starch,sodium alginate and mixtures of starch and sodium alginate were studied.It was found that application of modified starch allows obtaining of water resistant films characterized by better physical-mechanical properties comparatively to the corn starch based films.It was found that mechanical strength of the formed films is due to the fact that alginate and carboxymethylated corn starch are hydrocolloids with an unbranched structure.This composition is characterized by stronger structure gels and higher viscosity of the solutions.
机译:本研究研究了羧甲基化玉米淀粉与藻酸钠用于薄膜制备。研究了流变性能以及玉米淀粉,羧甲基化淀粉,海藻酸钠和淀粉钠混合物的水溶液和薄膜的吸水性和机械性能发现改性淀粉的施加允许获得以玉米淀粉的薄膜相对较好地获得耐水膜,其特征在于玉米淀粉的薄膜。形成的形成薄膜的机械强度是由于藻酸盐和羧甲基化玉米的事实淀粉是具有非支链结构的水胶体。该组合物的特征在于较强的结构凝胶和溶液的较高粘度。

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