Modification of self-curing acrylic resin : Effect of LEB irradiation on polymer particles

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  • 常温重合型アクリルレジンの改質 : ポリマー粒子への低エネルギー電子線照射の効果

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Self-curing acrylic resin is used in a variety of clinical applications, e.g. fabricating provisional restorations, adjusting occlusion, and repairing dentures. However, this resin is inferior to heat-curing acrylic resin in chemical and mechanical properties. In this study, to improve these properties, we irradiated low-energy electron beam (LEB) to polymer particles, and then the polymer particles were polymerized by ordinary method. We investigated the influence of LEB irradiation on polymer particles. Consequently, LEB irradiation caused formation of the free radical, which contributed to increase of flexural strength.

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