ポリエピクロロヒドリンへのMMAのグラフト重合
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概要
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The elastomer, poly (epichlorohydrin) (CO), was modified by graft polymerization with methyl methacrylate (MMA). Degrees of grafting increased in proportion to the rises in its monomer concentration, initiator concentration, reaction time and reaction temperature, but decreased in proportion to the rises in the amount of trunk polymer. While graft efficiencies increased in proportion to the rises in its amount of trunk polymer, and decreased by the monomer and initiator concentrations, but were almost constant by various reaction time and temperature. Degrees of grafting increased by a little addition of Lewis acid to this reaction system, but decreased by more addition, and graft efficiencies were almost constant by a little addition, but decreased by more addition. Furthermore, molecular weight of graft chains increased in proportion to the rise in monomer concentration, and number of graft chain increased in proportion to the rises in initiator concentration, reaction time and temperature. As a result of these, the graft polymer which had higher degrees of grafting were modified to harder polymer.
- 一般社団法人 日本ゴム協会の論文