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논문 기본 정보

자료유형
학술저널
저자정보
Kim, Se Mi (Department of Polymer Science and Engineering, Chungnam National University) Park, Hee Jung (Western Seoul Center Korea Basic Science Institute) Kim, Seon Hong (ESCO RTS Co., Ltd.) Lee, Eun Ju (Department of Polymer Science and Engineering, Chungnam National University) Lee, Kee Yoon (Department of Organic Materials Engineering, Chungnam National University)
저널정보
한국고무학회 Elastomers and composites 엘라스토머 및 콤포지트 제52권 제4호
발행연도
2017.1
수록면
266 - 271 (6page)

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This study describes the influence of the amount of curing agent and curing temperature on the kinetics of polyurethane elastomers. The urethane prepolymer series was prepared by reacting toluene diisocyanate with polytetramethylene ether glycol at $80^{\circ}C$ for 1 h, and 4,4'-methylene bis(2-chloroaniline) was used as the curing agent. The ratio of the amine group of the curing agent to the isocyanate group of the urethane prepolymer was controlled from 0.85 to 1.05 at curing temperatures ranging from 80 to $120^{\circ}C$. The curing rate of the urethane prepolymer was monitored by observing the change in heat flow during the curing process using differential scanning calorimetry (DSC). As either the content of curing agent or the curing temperature was higher, the conversion rate to the polyurethane elastomer was high. The DSC results were compared with those obtained from using real-time FT-IR.

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