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首页> 外文期刊>Journal of Applied Polymer Science >Physicochemical and superficial characterization of a bilayer film of zein and pectin obtained by electrospraying
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Physicochemical and superficial characterization of a bilayer film of zein and pectin obtained by electrospraying

机译：电喷雾器获得的玉米蛋白和果胶双层膜的物理化学和表面表征

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摘要

The preparation by electrospraying of a bilayer film formed by a pectin layer (hydrophilic, polar) and a zein layer (hydrophobic, nonpolar), is a difficult task that has not yet been reported. Herein, the feasibility of producing films by electrostatic atomization was studied, as well as the changes in the superficial and physicochemical characteristics of the bilayer film. Results showed that it is possible to produce a flexible and yellow bilayer film (101.07 +/- 8.11 mu m) with a continuous surface structure and a well-defined interface, without chemical interactions between both layers nor antimicrobial activity. This study is one of the first to show that the electrospraying technique can be used to generate biodegradable bilayer films using hydrophilic/hydrophobic biopolymer solutions.
机译：通过电喷雾制备由果胶层（亲水性，极性）和玉米醇溶蛋白层（疏水性，非极性）形成的双层膜是一项尚未报道的困难任务。本文研究了静电雾化法制备薄膜的可行性，以及双层膜表面和物理化学特性的变化。结果表明，可以制备具有连续表面结构和明确界面的柔性黄色双层膜（101.07+/-8.11μm），两层之间没有化学相互作用，也没有抗菌活性。这项研究首次表明，电喷雾技术可以利用亲水/疏水生物聚合物溶液生成可生物降解的双层膜。

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