通过溶剂诱导纳米纤维间焊接实现聚(3-羟基丁酸-3-羟基戊酸)自增强复合材料。

IF 5.4 2区 化学 Q1 BIOCHEMISTRY & MOLECULAR BIOLOGY
Pejman Heidarian , Shazed Aziz , Peter J. Halley , Tony McNally , Ton Peijs , Luigi-Jules Vandi , Russell J. Varley
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引用次数: 0

摘要

在本研究中,我们探索了一种利用 β 相诱导的 PHBV 电纺纳米纤维毡的自增强效应来提高聚(3-羟基丁酸-3-羟基戊酸)(PHBV)机械性能的方法。这包括电纺丝与低温纺丝后蒸汽溶剂纤维间焊接。扫描电子显微镜成像证实了纤维的排列,而 XRD 衍射显示在优化的电纺丝条件下同时存在 α 和 β 结晶相。经过蒸汽溶剂处理后,形成了结构更完美的 α 和 β 多晶体,并增强了电纺纳米纤维的界面粘附性,从而使所制备的复合材料的机械性能得到了显著改善。这种方法提供了完全可回收和可生物降解的材料,有望成为新型可持续生物塑料。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Poly(3-Hydroxybutyrate-co-3-Hydroxyvalerate) Self-Reinforced Composites via Solvent-Induced Interfiber Welding of Nanofibers

Poly(3-Hydroxybutyrate-co-3-Hydroxyvalerate) Self-Reinforced Composites via Solvent-Induced Interfiber Welding of Nanofibers

In this study, we explore an approach to enhance the mechanical performance of poly­(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) by utilizing the self-reinforcing effect of β-phase-induced PHBV electrospun nanofiber mats. This involves electrospinning combined with low-temperature postspun vapor solvent interfiber welding. Scanning electron microscopy imaging confirmed fiber alignment, while XRD diffraction revealed the presence of both α and β crystalline phases under optimized electrospinning conditions. The resulting composite exhibited significant improvements in mechanical properties attributed to the formation of more perfectly structured α and β polymorphs and enhanced interfacial adhesion of electrospun nanofibers after vapor solvent treatment. This approach offers entirely recyclable and biodegradable materials, presenting the potential for a new family of sustainable bioplastics.

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来源期刊
Biomacromolecules
Biomacromolecules 化学-高分子科学
CiteScore
10.60
自引率
4.80%
发文量
417
审稿时长
1.6 months
期刊介绍: Biomacromolecules is a leading forum for the dissemination of cutting-edge research at the interface of polymer science and biology. Submissions to Biomacromolecules should contain strong elements of innovation in terms of macromolecular design, synthesis and characterization, or in the application of polymer materials to biology and medicine. Topics covered by Biomacromolecules include, but are not exclusively limited to: sustainable polymers, polymers based on natural and renewable resources, degradable polymers, polymer conjugates, polymeric drugs, polymers in biocatalysis, biomacromolecular assembly, biomimetic polymers, polymer-biomineral hybrids, biomimetic-polymer processing, polymer recycling, bioactive polymer surfaces, original polymer design for biomedical applications such as immunotherapy, drug delivery, gene delivery, antimicrobial applications, diagnostic imaging and biosensing, polymers in tissue engineering and regenerative medicine, polymeric scaffolds and hydrogels for cell culture and delivery.
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