尼龙6/蒙脱土纳米复合材料在不同温度下的拉伸性能

Abstract

Abstract:

Nylon-6/montmorillonite (MMT) nanocomposite containing 4％ of MMT was prepared by melt blending. The dispersion of MMT in nylon\|6 was investigated by means of X-ray diffraction and transmission electron microscopy. It was found that the MMT layers were exfoliated and uniformly dispersed in nylon-6 matrix. When nylon-6 and nylon-6/MMT nanocomposite were drawn at the same temperature and drawing ratio in a temperature range from room temperature to 200 ℃, the crystallinity of nylon-6/MMT nanocomposite was lower than that of nylon-6, while the MMT still had strengthening effect in nylon-6 matrix. The strengthening effect could be attributed to the interaction between MMT layers and nylon-6 molecules. The interaction restricted the motions of nylon-6 molecular chains, which resulted in the deformation resistance of nylon-6 during drawing.

Key words: nylon-6/montmorillonite nanocomposite, uniaxial drawing, temperature, structure and tensile property

CLC Number:

TB303

XU Ti, XU Wen-Hua, HUA Li-Gui, ZHANG Yu-Ji, LONG Bei-Gong, DIAO Zhu-Di-. Tensile Mechanical Properties of Nylon\|6/Montmorillonite Nanocomposite at Different Temperatures[J].J4, 2010, 48(03): 482-486.

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Tensile Mechanical Properties of Nylon\|6/Montmorillonite Nanocomposite at Different Temperatures

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