用聚氯乙烯和 PHB 混合物制造电纺纳米纤维

IF 1.1 4区 工程技术 Q4 ENGINEERING, CHEMICAL
Pham Le Quoc, Dmitriy V. Anuchin, R. Olekhnovich, Vera E. Sitnikova, M. Uspenskaya, Arina V. Kremleva, Nguyen Hong Thanh
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引用次数: 0

摘要

本文研究了以聚羟基丁酸酯(PHB)和聚氯乙烯(PVC)为原料制备静电纺丝纳米纤维的工艺。聚氯乙烯/PHB纳米纤维是由不同比例的聚氯乙烯和PHB溶液制备的。研究了静电纺丝工艺参数对纳米纤维的制备、形貌和直径的影响。研究了聚氯乙烯/PHB的化学结构和热性能。结果表明:随着PHB含量的增加,PVC/PHB纳米纤维的直径增大;此外,对于不同的PVC和PHB配比,静电纺丝工艺的最佳工艺参数是不同的。红外光谱分析表明,随着PHB含量的增加,聚合物复合材料的结晶相增强。采用差示扫描量热法(DSC)和热重分析(TGA)对PVC/PHB纳米纤维的热性能进行了评价。PHB比的变化导致PVC/PHB纳米纤维玻璃化转变温度的变化。PVC/PHB的热降解过程包括两个步骤。PHB含量的增加导致聚氯乙烯/PHB纳米纤维垫的机械强度增强;然而,它也会导致拉伸伸长率的降低。基于聚氯乙烯/PHB纳米纤维的结构、形态、相互作用和力学性能分析结果,本研究对聚氯乙烯/PHB纳米纤维的制备工艺进行了优化。聚氯乙烯/PHB纳米纤维具有用于空气过滤应用的潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Fabrication of electrospun nanofiber from a blend of PVC and PHB
Abstract In this work, the fabrication process of electrospun nanofibers from a blend of polyhydroxy butyrate (PHB) and polyvinyl chloride (PVC) has been investigated. PVC/PHB nanofibers have been fabricated from solutions using different PVC and PHB ratios. The influence of technical parameters of the electrospinning process on the fabrication, morphology, and diameter of nanofibers has been evaluated. The chemical structure and thermal properties of PVC/PHB have been studied. The results show that the diameter of PVC/PHB nanofibers increases as the PHB content increases. In addition, the optimal technical parameters of the electrospinning process for each PVC and PHB ratio are different. Infrared spectroscopy analysis revealed an enhancement of the crystalline phase of the polymer composite with increasing PHB content. The thermal properties of PVC/PHB nanofibers were evaluated through differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). The change in PHB ratios leads to a change in the glass transition temperature of PVC/PHB nanofibers. The thermal degradation process of PVC/PHB includes two steps. Increasing the PHB content leads to an enhancement in the mechanical strength of PVC/PHB nanofiber mats; however, it also results in a reduction in tensile elongation. Based on the results of structural, morphological, interaction analysis, and mechanical properties of PVC/PHB nanofibers, this study contributes to the optimization of the fabrication of nanofibers from PVC and PHB. PVC/PHB nanofibers have the potential to be used for air filtration applications.
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来源期刊
International Polymer Processing
International Polymer Processing 工程技术-高分子科学
CiteScore
2.20
自引率
7.70%
发文量
62
审稿时长
6 months
期刊介绍: International Polymer Processing offers original research contributions, invited review papers and recent technological developments in processing thermoplastics, thermosets, elastomers and fibers as well as polymer reaction engineering. For more than 25 years International Polymer Processing, the journal of the Polymer Processing Society, provides strictly peer-reviewed, high-quality articles and rapid communications from the leading experts around the world.
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