スチレン系エラストマ-へのMMAのグラフト重合およびグラフト体とブレンドの機械的強度

概要

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HSIS-g-MMA graft polymer was prepared by graft polymerization of metyl methacrylate (MMA) onto styrene hydrogenated isoprene triblock polymer (HSIS). We studied mechanical property of graft polymer and blend polymer which was blended graftpolymer and PMMA. The tensile strength of graft polymer was fast increased untill about 10% grafting and then slowly increased in proportion to the rise in its grafting, but the tensile impact strength of graft polymer decreased in proportion to the rise in its grafting. Blend polymer was prepared by the various ratio of PMMA and graft polymer with various grafting. Tensile impact strength of blend polymer which included 10% graft polymer with high grafting showed highest value. As result of these, graft polymer with low grafting modified tesile strength of HSIS. Blend polymer which included graft polymer with high grafting modified tensile impact strength of PMMA.
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