玻璃纤维静电吸附粘土和成核剂增强聚酰胺66复合材料

材料科学与工程学报, 2016, 34(2): 173-325. doi: 10.14136/j.cnki.issn 1673-2812.2016.02.001

玻璃纤维静电吸附粘土和成核剂增强聚酰胺66复合材料

1.华东理工大学超细材料制备与应用教育部重点实验室,上海,200237

2.华东理工大学超细材料制备与应用教育部重点实验室,上海,200237

3.华东理工大学超细材料制备与应用教育部重点实验室,上海,200237

4.华东理工大学超细材料制备与应用教育部重点实验室,上海,200237

基金项目: This work was supported by the National Natural Science Foundation of China (51173043,21136006,21236003,21322607),the Special Projects for Nanotechnology of Shanghai (12nm0502700),the Basic Research Program of Shanghai (13JC1408100),the Key Scientific and Technological Program of Shanghai (14521100800),the Fundamental Research Funds for the Central Universities.

关键词：静电吸附 , 玻璃纤维 , 粘土 , 成核剂 , 界面连接

High Performance Composites Integrated Polyamide 66 with Electrostatically Assembled Glass Fiber-clay-nucleating Agent Reinforcement

Keywords： electrostatic assembly , glass fiber , clay , nucleating agent , interfacial adhesion

通过静电吸附方法在玻璃纤维(GF)表面吸附粘土和成核剂,将改性玻璃纤维增强体与聚酰胺66(PA66)熔融共混制备高性能复合材料.通过扫描电子显微镜观察了粘土和成核剂在玻璃纤维表面的分散状态以及玻璃纤维与基体的界面连接.结果表明,在玻璃纤维表面静电吸附粘土和成核剂,不仅有助于粘土的分散,而且可以提高玻璃纤维与基体的界面连接.玻璃纤维表面吸附的粘土和成核剂可以诱导PA66分子链在纤维表面结晶,提高复合材料的力学性能.因此,与传统PA66/GF复合材料相比,在GF表面吸附少量的粘土(0.18wt％)和成核剂(0.07wt％)可以使复合材料的拉伸和弯曲模量分别提高12.2％和12.8％.

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