Mechanical and tribological behaviors of polyamide 66/ultra high molecular weight polyethylene blends
作者： Hong-Gang Wang , Ling-Qi Jian , Bing-Li Pan , Jun-Yan Zhang , Sheng-Rong Yang
DOI: 10.1002/PEN.20748
关键词:
摘要: The blends of polyamide (PA) and ultra high molecular weight polyethylene (UHMWPE) were prepared by a Brabender DSE25 co-twin screw extruder, maleic anhydride (MAH) grafted high-density (HDPE) was used as compatibilizer. A chemical reaction between MAH group MAH-g-HDPE terminal amino PA testified FT-IR analysis. Mechanical tribological tests showed that the tensile bending strength decrease with increase UHMWPE. Besides, mechanical strengths PA/UHMWPE improved adding appropriate MAH-g-HDPE. ameliorated homogeneous dispersing ability UHMWPE in blend. friction coefficient volume wear rate decreased apparently UHMWPE, probably has straight chain structure good flexibility; therefore, transferring film could be easily formed on steel surface In process, resistance relative to property when amount layer reached certain value. POLYM. ENG. SCI., 47:738–744, 2007. © 2007 Society Plastics Engineers.
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