Effect of γ-irradiation on HDPE and Properties of wood Fiber/γ- HDPE Composites

doi:10.19491/j.issn.1001-9278.2009.08.016

Abstract

Abstract: The effect of γ-irradiation on the molecular structure, melt flow rate, melting point, and crystallization structure of PE-HD and on the mechanical properties of PE-HD/wood-flour composites were studied through FT-IR , DSC, TEM, and mechanical properties testing. Because polar groups were generated on the PE-HD chain by γ-irradiation, the interfacial adhesion with wood-flour was enhanced, and the mechanical properties of the composite were improved. Both tensile and flexural strengths were increased by 80%, impact strength increased by 36%. SEM micrographs revealed that wood-flour was finely dispersed in polymer matrix.

Key words: polyethylene, FONT-FAMILY: Arial, mso-font-kerning: 1.0pt, mso-ansi-language: EN-US, mso-fareast-language: ZH-CN, mso-bidi-language: AR-SA, mso-fareast-font-family: 宋体">wood-flour, wood - plastics composites, irradiation

CLC Number:

TQ321.5

Zhang Feng Bin Li Li-hua Guo. Effect of γ-irradiation on HDPE and Properties of wood Fiber/γ- HDPE Composites[J]. China Plastics, 2009, 23(08): 75-78 .

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Effect of γ-irradiation on HDPE and Properties of wood Fiber/γ- HDPE Composites

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