纤维素结构和形态对聚（丁二酸丁二醇酯-己二酸丁二醇酯）生物复合材料性能的影响。

Effect of cellulose structure and morphology on the properties of poly(butylene succinate-co-butylene adipate) biocomposites.

机构信息

Institute for Polymers, Composites and Biomaterials-National Research Council, Via Campi Flegrei 34, Pozzuoli, 80078 Naples, Italy.

Department of Chemical, Materials and Production Engineering, University of Naples, Piazzale Tecchio 80, 80125 Napoli, Italy.

出版信息

Carbohydr Polym. 2015 Nov 20;133:408-20. doi: 10.1016/j.carbpol.2015.06.101. Epub 2015 Jul 10.

DOI:10.1016/j.carbpol.2015.06.101

PMID:26344297

Abstract

Composites based on poly(butylene succinate-co-butylene adipate) (PBSA) containing amorphized and crystalline cellulose reinforcements have been prepared and characterized. In order to improve the polymer/filler interfacial adhesion, an efficient compatibilizing agent has been synthesized by chemical modification of PBSA and characterized by FT-IR, FT-NIR and (1)H NMR spectroscopy. Uncompatibilized and compatibilized composites have been tested through morphological, mechanical, calorimetric and thermogravimetric analysis. Moreover, water vapor permeability and biodegradation kinetics of composites have been investigated. The addition to PBSA of cellulose fillers differing from each other by crystallinity degree and morphology, and the use of a compatibilizing agent have allowed modulating tensile and thermal properties, water vapor transmission rate and biodegradation kinetic of the composites.

摘要

基于聚丁二酸丁二醇酯-己二酸丁二醇酯（PBSA）的复合材料，其中含有非晶态和晶态纤维素增强材料，已经制备并进行了表征。为了改善聚合物/填料的界面附着力，通过化学修饰 PBSA 合成了一种有效的增容剂，并通过傅里叶变换红外光谱（FT-IR）、傅里叶变换近红外光谱（FT-NIR）和（1）H 核磁共振光谱（NMR）进行了表征。通过形态学、力学、热分析和热重分析对未增容和增容复合材料进行了测试。此外，还研究了复合材料的水蒸气透过率和生物降解动力学。向 PBSA 中添加不同结晶度和形态的纤维素填充剂，并使用增容剂，可调节复合材料的拉伸和热性能、水蒸气透过率和生物降解动力学。