Study of Mechanical Properties and Friction and Wear Behavior of PEO Modified POM

Abstract

Abstract: In this paper, the impact, friction and wear properties of POM were improved via blending with PEO. When PEO(molecular weight 5.0x10⁵) content was 5%, the blend achieved a notched impact strength of 12.9kJ/m² two-folds that of neat POM, and the friction coefficient and the wear scar width were 0.18 and 3.5 mm，about 50% and 35 % that of neat POM, respectively. It was sug gested that PEO form a surface lubricating layer on the blends and thus decreased the wear scar width and the friction coefficient.

Key words: polyoxymethylene, polyethylene oxide, mechanical property, friction and wear behavior

CLC Number:

326.51
TQ317

BAI Shi-bing, LIU Jing-lin, WANG Qi . Study of Mechanical Properties and Friction and Wear Behavior of PEO Modified POM[J]. China Plastics, 2007, 21(3): 67-72.

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Study of Mechanical Properties and Friction and Wear Behavior of PEO Modified POM

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