화학공학소재연구정보센터
학회 한국공업화학회
학술대회 2015년 봄 (04/29 ~ 05/01, BEXCO (부산))
권호 19권 1호
발표분야 고분자_포스터
제목 Isothermal Crystallization Behavior of Poly(vinyl alcohol)/clay nanocomposites
초록 Polar Polymers such as Poly(vinyl alcohol) has strong molecular interactions. It lowers the oxygen gas solubility. The crystalline behavior of PVA affected from addition of clay. In this reason, PVA can be used to improve the oxygen barrier properties of a material.
In this study, Poly(vinyl alcohol)/clay nanocomposites were prepared as a function of clay contents in the PVA matrix. Silicate layers of clay affected PVA crystallization behavior. As dispersion of silicate in the PVA matrix, it disturbed formation of crystalline that decreasing enthalpy of PVA. As a function of kinetic value can be obtained and calculated, based on the Avrami theory. Kinetics was evaluated by Avrami parameters n and k were determined experimentally. Avrami exponent was calculated at different annealing temperatures.
저자 임종태, 이재훈, 신교직, 최경호, 이상국
소속 한국생산기술(연)
키워드 PVA; kinetic
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