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通过玻璃纤维合剂修改PLA/PBS复合材料的高度增强的机械,热和结晶性能

Zhiqiang Fan¹, Junchang Gao¹, Yadong Wu¹

¹Key Laboratory of Leather of Zhejiang Province, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China.

|August 12, 2023

概括

这项研究增强了使用修饰玻璃纤维 (KF-GF) 的聚乳酸 (PLA) 和聚丁烯糖酸盐 (PBS) 复合材料. 增强材料显著提高了可生物降解应用的机械强度和耐热性.

科学领域:

材料科学材料科学材料科学
聚合物科学聚合物科学
复合材料复合材料复合材料

背景情况:

聚乳酸 (PLA) 和聚乙烯糖酸 (PBS) 是可生物降解的聚合物,其性和耐热性有限.
提高这些特性对于扩大它们在可持续材料中的应用范围至关重要.

研究的目的:

为了提高PLA/PBS混合物的性和耐热性.
为了研究3-aminopropyltriethoxysilane修饰玻璃纤维 (KF-GF) 作为增强剂的影响.

主要方法:

将PLA与PBS混合在一起,形成一个基矩阵.
将KF-GF作为强化剂纳入PLA/PBS矩阵中.
描述复合材料的机械性能 (拉力,曲,冲击) 和热性能 (维卡特软化温度).

主要成果:

与原始玻璃纤维 (GF) 相比,KF-GF钢筋显著改善了机械性能.
使用20%KF-GF的复合材料显示拉伸强度增加了123%,曲强度增加了107%,冲击强度增加了189%.
由于增强的结晶性和界面粘附性,维卡特软化温度增加到128.7°C.

结论:

KF-GF有效地增强了PLA/PBS复合材料的机械性能,结晶性和热稳定性.
性能提升归因于KF-GF与聚合物矩阵之间的接口粘附力更强.
这些高性能复合材料在可生物降解的包装,织品和塑料袋中具有潜在的应用.

关键词:

复合材料的修改是复合材料的修改.结晶性结晶性是指结晶性.玻璃纤维 (GF) 的使用聚乙烯糖酸 (PBS) 是一种聚乳酸 (PLA) 是一种聚乳酸.

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