화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2002년 봄 (04/12 ~ 04/13, 서울대학교)
권호 27권 1호, p.64
발표분야 고분자 가공/블렌드
제목 Reaction Kinetics and Morphological Changes at Polymer-Polymer Interface measured by Rheological Properties
초록 The reaction kinetics and interfacial roughness are important to characterize the interface between two immiscible blends with a reactive compatibilizer. However, a few studies on reaction kinetics and interfacial roughness are available. In this study we investigated the reaction kinetics by a convenient but useful method-rheology. And then we made an attempt to correlate changes of interface roughness with rheological properties.
We used blend systems consisting of mono-carboxylated polystyrene (PS-mCOOH) and an poly(methyl methacrylate-ran-glycidylmethacrylate) (PMMA-GMA). PS-mCOOH was synthesized by an anionic polymerization and PMMA-GMA by a free radical polymerization. We prepared two plates of each polymer using compression molding with a smooth surface molder, then put one upon another. As soon as these two plates welds together inside a rheometer under nitrogen environment, the torque and moduli were obtained with reaction time at different temperatures.
Through the analysis of this modulus change with reaction time, we estimated interfacial reaction and roughening.

This work was supported by Applied Rheology Center governed by KOSEF.
저자 김황용, 정운용, 김진곤
소속 포항공과대
키워드
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