橡实粉/聚乳酸生物可降解复合材料的制备和性能研究  

Preparation and Properties of Biodegradable Acorn Powder/Poly( lactic acid) Composites

作　　者：胡丽琪 王锦涛 姜洪丽 汪海 Hu Liqi;Wang Jintao;Jiang Hongli;Wang Hai(College of Chemical and Pharmaceutical Engineering,Shandong First Medical University&Shandong Academy of Medical Sciences,Taian 271016,China)

机构地区：[1]山东第一医科大学(山东省医学科学院)化学与制药工程学院,山东泰安271016

出　　处：《山东化工》2021年第2期45-46,49,共3页Shandong Chemical Industry

基　　金：山东第一医科大学国家级大学生创新创业训练计划项目(201910439030)。

摘　　要：以橡实粉与聚乳酸(PLA)为原料,采用双辊混炼法制备橡实粉/聚乳酸生物可降解复合材料。分析橡实粉经不同处理后对复合材料的力学性能、吸水性能、热性能的影响。研究表明:橡实粉经处理后,复合材料的力学性能得到提高,其中酰化处理的橡实粉复合材料拉伸强度最高,吸水性能最低;热降解结果显示经酰化处理及微波辐射处理的橡实粉复合材料稳定性增强。热降解性能结果显示420℃以后,橡实粉经过酰化和微波辐射处理的复合材料残留物明显减少。The biodegradable acorn powder/poly(lactic acid)(PLA)composites were prepared on a two-roll machine using acorn powder and PLA as raw materials.The mechanical property,water absorption and thermal degradation of composites were investigated in this work.The experimental results demonstrated that the mechanical properties of composites were improved with acorn powder with treatment,especially acorn powder composites treated by acylated had the highest tensile strength and the lowest water absorption performance.The thermal degradation results showed that acorn powder treated by acylated and microwave radiation had better stability.The thermal degradation results showed that the residues of composites obviously reduced with acorn powder treated by acylated and microwave radiation after 420℃.

关 键 词：橡实粉/聚乳酸生物可降解复合材料 力学性能 吸水性能 热降解性能 

分 类 号：TB332[一般工业技术—材料科学与工程] TQ321[化学工程—合成树脂塑料工业]