PRODUCTION OF BIOPLASTIC FROM POTATO STARCH

Paula Novais Cordeiro, S. T. Caetano, R. Carvalho
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引用次数: 1

Abstract

Due to their diverse properties, plastic materials are used in numerous sectors. It is possible to produce different articles and plastic objects with reduced costs, being more accessible to the population. Conventional plastics are obtained from petroleum-derived raw materials, a non-renewable resource in which their extraction and refining process cause major environmental impacts. The production of plastic reaches a level of approximately one hundred and forty million tons per year, and the disposal of these materials is increasing, generating a high rate of waste and leading to an increase of pollution since the decomposition of these materials lasts about five hundred years old. Conventional plastics can be replaced by bioplastics, a material obtained from renewable raw materials such as potatoes, cassava, maize, and which, when disposed of under favorable conditions, decomposes faster, as during its degradation process at least one step occurs. Through the metabolism of organisms present in the environment. Starch has been widely used in the production of biodegradable packaging, so the objective of this work was to produce a biodegradable bioplastic from the potato starch. Potato starch, glycerin, hydrogen peroxide, distilled water, and commercial agar were used to produce the bioplastic. Bench-scale bioplastics had good organoleptic characteristics, similar in appearance to a conventional plastic obtained from petroleum. The thickness, moisture content, and solubility of the bioplastics were analyzed, as well as their fruit preservation capacity. The samples produced were rigid and with good resistance.
用马铃薯淀粉生产生物塑料
由于其多种特性,塑料材料被用于许多领域。有可能以更低的成本生产不同的物品和塑料制品,使人们更容易获得。传统塑料是从石油衍生的原料中获得的,这是一种不可再生的资源,其提取和精炼过程对环境造成了重大影响。塑料的产量达到了每年大约一亿四千万吨的水平,而这些材料的处置正在增加,产生了很高的废物率,并导致污染的增加,因为这些材料的分解持续了大约五百年。传统塑料可以被生物塑料取代,生物塑料是一种从马铃薯、木薯、玉米等可再生原料中获得的材料,在有利条件下处理时,分解得更快,因为在其降解过程中至少发生了一个步骤。通过存在于环境中的生物体的新陈代谢。淀粉已广泛用于生产可生物降解包装,因此本研究的目的是利用马铃薯淀粉生产可生物降解的生物塑料。马铃薯淀粉、甘油、双氧水、蒸馏水和商用琼脂被用于生产生物塑料。实验规模的生物塑料具有良好的感官特性,其外观与从石油中获得的传统塑料相似。分析了生物塑料的厚度、含水率、溶解度及其保鲜性能。所得样品刚性好,耐蚀性好。
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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