Development and characterization of new formulation of biodegradable emulsified film based on polysaccharides blend and microcrystalline wax

IF 1.7 4区工程技术 Q4 POLYMER SCIENCE

Journal of Polymer Engineering Pub Date : 2023-10-23 DOI:10.1515/polyeng-2023-0048

Djalila Aoufi, Nabila Belloul, Aicha Serier

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引用次数: 0

Abstract

Abstract The aim of the present work is the development and characterization of new formulation of emulsified films based on soluble starch/sodium alginate blend and microcrystalline wax. The developed films were studied in order to use them as new formulations to produce food packaging. The obtained films were generally homogeneous, thin, and slightly flexible. These films appeared more opaque compared to the non-emulsified film. Incorporation of microcrystalline wax was caused modifications of mechanical properties of films; these modifications were principally due to the formation of amylose–lipid complex. It was found that microcrystalline significantly reduced film water vapor permeability (WVP) of emulsified films. Atomic force microscope (AFM) was used to evaluate surface topography and roughness of the films. The surface topography was significantly affected, in the other word high roughness values were obtained. Microemultion formation in which the microcrystalline wax particles are distributed homogeneously within the polymer matrix was investigated by scanning electron microscopy (SEM). Moreover, the polysaccharides blend/microcrystalline wax emulsified films can be useful as a biodegradable packaging material to maintain the quality of food products.

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基于多糖共混物和微晶蜡的可生物降解乳化膜新配方的研制与表征

摘要本研究的目的是开发和表征基于可溶性淀粉/海藻酸钠共混物和微晶蜡的新型乳化膜配方。对显影后的薄膜进行了研究，以期将其作为新配方用于食品包装。得到的薄膜一般均匀、薄，并且有轻微的柔韧性。与非乳化膜相比，这些膜显得更不透明。微晶蜡的加入改变了薄膜的力学性能;这些修饰主要是由于直链淀粉-脂质复合物的形成。结果表明，微晶化显著降低了乳化膜的水蒸气渗透性。利用原子力显微镜(AFM)对膜的表面形貌和粗糙度进行了评价。表面形貌受到显著影响，即获得了较高的粗糙度值。采用扫描电子显微镜(SEM)研究了微晶蜡颗粒在聚合物基体内均匀分布的微乳化形成过程。此外，多糖混合物/微晶蜡乳化膜可作为生物可降解的包装材料，以保持食品的质量。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Polymer Engineering 工程技术-高分子科学

CiteScore

3.20

自引率

5.00%

发文量

审稿时长

2.5 months

期刊介绍： Journal of Polymer Engineering publishes reviews, original basic and applied research contributions as well as recent technological developments in polymer engineering. Polymer engineering is a strongly interdisciplinary field and papers published by the journal may span areas such as polymer physics, polymer processing and engineering of polymer-based materials and their applications. The editors and the publisher are committed to high quality standards and rapid handling of the peer review and publication processes.