圧縮配向結晶化超高分子量ポリエチレンの耐摩耗性と力学的性質(<特集>高分子材料)

概要

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In order to improve the wear properties of artificial joints, a slightly cross-linked ultra high molecular weight polyethylene(UHMWPE)was compressed at molten state and crystallized by cooling to room temperature. The molecular chain of the UHMWPE was orientated to the direction of deformation.Density and melting point of the mold article were increasd in accordance with compression ratio.The α_c peak of loss modulus was shifted to higher temperature compared with the non-compressed sample.And it was also revealed that the weight loss of the compressed UHMWPE was remarkably less than that of a non-compressed sample from the result of the pin-on-disc wear test.
社団法人日本材料学会の論文
2000-12-15