Reactive compatibilization of polypropylene grafted with maleic anhydride and styrene, prepared by a mechanochemical method, for a blend system of biodegradable poly(propylene carbonate)/polypropylene spunbond nonwoven slice

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2023-05-03 DOI:10.1515/ipp-2023-4345

Zheng Tian, Yilu Zhang, N. Xu, Lisha Pan, Yuhong Feng

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引用次数: 0

Abstract

Abstract Poly(propylene carbonate) (PPC)/polypropylene (PP) spunbond nonwoven slice has gained more attention, owing to its excellent properties, such as biodegradability, flexibility, biocompatibility, and CO2 utilization. However, the applications of this green material are limited due to the poor thermodynamic incompatibility between PPC and PP. In this paper, PP grafted with maleic anhydride (MAH) and styrene (St) (PP-g-(MAH-co-St)), prepared by a mechanochemical method and having a grafting percentage GMAH = 1.40 %, was used as a compatibilizer to prepare a biodegradable PPC/compatibilizer/PP composite-spunbond nonwoven slice by melt-blending. The effects of compatibilizer content on the tensile strength, elongation at break, melt flow rate, thermal properties, and micro-morphology of PPC/PP-g-(MAH-co-St)/PP were systematically studied. Furthermore, the mechanism of compatibilization of PP-g-(MAH-co-St) in the PPC/PP spunbond nonwoven composite slice is discussed. The results indicated that this green PP-g-(MAH-co-St) exhibited a clear reactive compatibilization effect. Therefore, it can be considered as a good compatibilizer for the biodegradable PPC/PP spunbond nonwoven slice.

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机械化学法制备的马来酸酐和苯乙烯接枝聚丙烯对可生物降解的聚碳酸亚丙酯/聚丙烯纺粘非织造切片共混体系的反应增容

摘要聚碳酸亚丙酯（PPC）/聚丙烯（PP）纺粘非织造布切片因其优异的生物降解性、柔韧性、生物相容性和CO2利用率等性能而备受关注。然而，由于PPC和PP之间的热力学不相容性较差，这种绿色材料的应用受到限制。本文采用机械化学方法制备了马来酸酐（MAH）和苯乙烯（St）接枝的PP（PP-g-（MAH-co-St）），接枝率GMAH=1.40 %, 作为相容剂，通过熔融共混制备了可生物降解的PPC/相容剂/PP复合纺粘非织造切片。系统研究了相容剂含量对PPC/PP-g-（MAH-co-St）/PP的拉伸强度、断裂伸长率、熔体流动速率、热性能和微观形态的影响。探讨了PP-g-（MAH-co-St）在PPC/PP纺粘非织造布复合切片中的增容机理。结果表明，该绿色PP-g-（MAH-co-St）具有明显的反应增容作用。因此，它可以被认为是可生物降解的PPC/PP纺粘非织造切片的良好相容剂。

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

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.