基于果胶和农业废弃物的生态友好型可存活包装膜的制备:通过实验设计法进行热学和力学研究

IF 1 4区 化学 Q4 POLYMER SCIENCE
Vinod Kumar, Sohan Lal, Sumit Kumar, Geetanjali Jagdeva, Parvin Kumar, Anjali Verma, Anton Kuzmin
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引用次数: 0

摘要

摘要 使用合成的一次性使用过的塑料包装和地膜,由于其不可降解的废物造成污染,对环境产生了严重影响。为了替代这些合成材料,本研究采用通用溶剂,通过溶剂浇注技术合成了果胶、丝瓜纤维(农业废弃物)和甘油的高强度生物可降解聚合物复合材料。实验采用 3 × 3 因式设计,并通过响应面方法(RSM)分析了复合材料的拉伸行为(拉伸强度和伸长率)。含有 10%甘油的果胶的拉伸强度为 11.48 兆帕,加入 15%丝瓜纤维后,拉伸强度增加到 19.34 兆帕,采用理想指数法(同时优化)对该成分进行优化,使断裂伸长率(188.89%)达到最佳结果。傅立叶变换红外光谱分析了复合材料成分之间的相互作用,扫描电子显微镜研究显示纤维分布均匀。复合材料具有持续的热稳定性,在惰性气氛下,所有复合材料在 260°C 的温度下都能保持稳定的热稳定性。通过土壤掩埋法观察了复合薄膜的生物降解性,发现其可在 75 天内完全降解。这种无毒成分的复合材料具有高拉伸性能、持续热稳定性和完全生物降解性,适用于绿色包装应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Preparation of Ecofriendly Viable Packaging Films Based on Pectin and Agro-Waste: Thermal and Mechanical Studies by Design of Experiments Approach

Preparation of Ecofriendly Viable Packaging Films Based on Pectin and Agro-Waste: Thermal and Mechanical Studies by Design of Experiments Approach

Preparation of Ecofriendly Viable Packaging Films Based on Pectin and Agro-Waste: Thermal and Mechanical Studies by Design of Experiments Approach

The use of synthetic single used plastic packaging and mulching films has serious environmental effects due to their non-degradable waste causing pollution. To replace these synthetic materials, high-strength biodegradable polymer composites of Pectin, Luffa Fiber (agro-waste) and Glycerol are synthesized by the solvent casting technique using a universal solvent. The experimentation is carried out using a 3 × 3 factorial design and the tensile behavior (tensile strength and elongation) of composites is analyzed by response surface methodology (RSM). The tensile strength of pectin containing 10% glycerol is 11.48 MPa which is increased to 19.34 MPa by incorporation of 15% luffa fiber and this composition is optimized with desirability index method (simultaneously optimization) to achieve the best results for elongation at break (188.89%) as well. The interactions between constituents of composites are characterized by FTIR spectro-scopy and scanning electron microscopic study reveals a uniform distribution of fiber. The composites have sustained thermal stability as all composites are stable up to 260°C in an inert atmosphere under TGA study. The biodegradability of composite films was observed by soil burial method and found completely degradable in 75 days. The present composites of non-toxic components with high tensile properties, sustained thermal stability and complete biodegradability are suitable for green packaging applications.

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来源期刊
Polymer Science, Series A
Polymer Science, Series A 化学-高分子科学
CiteScore
1.70
自引率
0.00%
发文量
55
审稿时长
3 months
期刊介绍: Polymer Science, Series A is a journal published in collaboration with the Russian Academy of Sciences. Series A includes experimental and theoretical papers and reviews devoted to physicochemical studies of the structure and properties of polymers (6 issues a year). All journal series present original papers and reviews covering all fundamental aspects of macromolecular science. Contributions should be of marked novelty and interest for a broad readership. Articles may be written in English or Russian regardless of country and nationality of authors. All manuscripts are peer reviewed. Online submission via Internet to the Series A, B, and C is available at http://polymsci.ru.
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