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用TiO₂-林宁混合填充剂的聚基复合材料的结构和性能

Aleksandra Grząbka-Zasadzińska¹, Agata Piątek¹, Łukasz Klapiszewski¹

¹Institute of Chemical Technology and Engineering, Faculty of Chemical Technology, Poznan University of Technology, Berdychowo 4, 60-965 Poznan, Poland.

International journal of molecular sciences

|April 27, 2024

概括

这项研究引入了一种新型的混合二氧化和素填充剂,用于聚酸 (PLA) 生物复合材料. 仅添加1%的这种混合填充剂可以显著增强PLA.

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
纳米技术纳米技术

背景情况:

聚酸 (PLA) 是一种具有越来越多应用的可生物降解聚合物.
提高PLA的特性需要有效的填充剂.
有限的研究存在于混合填充剂,将无机和有机成分结合为PLA.

研究的目的:

研究一种新型无机有机混合填充剂 (二氧化和) 对聚酸 (PLA) 生物复合材料的影响.
评估对超分子结构,结晶,热和机械性能的影响.
探索这种混合填充剂的潜力,以提高PLA的适用性.

主要方法:

制备和表征不同百分比 (1,3,5 wt.%) 的混合填充剂或二氧化 (TiO2) 的PLA复合材料.
评估结构性,形态性,热性和机械性质 (拉力,曲性,冲击强度,硬度).
微观研究来分析结晶行为和核化效率.

主要成果:

混合填充剂在pH3-4以上具有良好的电动力学稳定性.
1%的混合填充剂增加使PLA的结晶度增加了高达20%.
与单独的TiO2或未填充的PLA相比,混合填充剂显示出更高的核化密度和更短的诱导时间,提高了曲强度和硬度.

结论:

混合的二氧化-素填充剂有效地增强了PLA生物复合材料的结晶和机械性能.
这种新的填充剂为提高生物基材料的性能和扩大生物基材料的应用提供了一个有前途的途径.
这些发现为技术加工和材料开发提供了宝贵的见解.

关键词:

在TiO2的过程中,TiO2 生物复合物生物复合物混合材料混合材料混合材料.红色的线性蛋白质 (lignin) 是一种聚酸是一种多酸.

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