反应挤出法制备聚乳酸-γ-环糊精包合物-聚乳酸多支聚合物及其性能

Q2 Materials Science

Polymer-Plastics Technology and Engineering Pub Date : 2018-06-13 DOI:10.1080/03602559.2017.1354224

Ya Li, W. Zhen

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引用次数: 6

摘要

摘要以l -丙交酯为原料，八酸锡为催化剂，羧基聚乳酸-γ-环糊精包合物为芯，经超声共沉淀法和羧化反应制备聚乳酸-γ-环糊精包合物-聚乳酸多支化聚合物。通过对聚乳酸-γ-环糊精包合物-聚乳酸的结构和性能的研究表明，与线性聚乳酸相比，聚乳酸的综合性能得到了显著提高。因此，新型聚乳酸-γ-环糊精包合物-聚乳酸多支聚合物在生物医用材料中具有潜在的应用前景。本研究为提高聚乳酸的性能提供了一种简单可行的制备方法。图形抽象

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Preparation and Performance of Poly(Lactic Acid)-γ-Cyclodextrin Inclusion Complex-Poly(Lactic Acid) Multibranched Polymers by the Reactive Extrusion Process

ABSTRACT The poly(lactic acid)-γ-cyclodextrin inclusion complex-poly(lactic acid) multibranched polymers were prepared by reactive extrusion process with L-lactide as raw material, stannous octoate as catalyst and the carboxyl poly(lactic acid)-γ-cyclodextrin inclusion compound as cores prepared by ultrasonic coprecipitation and carboxylation reaction. It was shown that the comprehensive performance of poly(lactic acid)-γ-cyclodextrin inclusion complex-poly(lactic acid) had been significantly improved compared with liner poly(lactic acid) by the study of structure and properties. Thus, the novel poly(lactic acid)-γ-cyclodextrin inclusion complex-poly(lactic acid) multibranched polymers have a potential use in biomedical materials. This study provided a simple and feasible preparation method for improving the performance of poly(lactic acid). GRAPHICAL ABSTRACT

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来源期刊

Polymer-Plastics Technology and Engineering 工程技术-高分子科学

CiteScore

1.71

自引率

0.00%

发文量

审稿时长

4 months