Reinforced polyethylene/clay nanocomposites: influence of different silane

Ming Yin; Liying Zhang; Xuelong Chen; Xiao Hu

doi:10.1117/12.2084894

4 March 2015 Reinforced polyethylene/clay nanocomposites: influence of different silane

Ming Yin, Liying Zhang, Xuelong Chen, Xiao Hu

Proceedings Volume 9302, International Conference on Experimental Mechanics 2014; 93023A (2015) https://doi.org/10.1117/12.2084894
Event: International Conference on Experimental Mechanics 2014, 2014, Singapore, Singapore

Abstract

Montmorillonite (MMT) was first cation exchanged by cetyltrimethyl ammonium bromide (CTAB) and then treated by short chain silane (methyltrimethoxylsilane) or different amount of long chain silane (dodecyltrimethoxylsilane). High density polyethylene (HDPE)/clay nanocomposites were prepared through twin screw extruder using these silane modified clays without any compatibilizer. Thermal gravimetric analysis (TGA) proved the successful grafting of silanes onto clay. The effects of the chain length and content of the silanes on the dispersion state of clay and properties of the composites were studied using X-ray diffraction (XRD), transmission electron microscope (TEM), mechanical tests, creep tests and so on. The results indicate that the grafting of long chain silanes at higher content could improve the compatibility between clay and PE, thus more efficiently enhancing mechanical and creep properties of the composites than other silane treated clays.

Citation Download Citation

Ming Yin, Liying Zhang, Xuelong Chen, and Xiao Hu "Reinforced polyethylene/clay nanocomposites: influence of different silane", Proc. SPIE 9302, International Conference on Experimental Mechanics 2014, 93023A (4 March 2015); https://doi.org/10.1117/12.2084894

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