ISOTHERMAL CRYSTALLIZATION KINETICS OF LANTHANUM OXIDE FILLED POLYPROPYLENE

Chinese Journal of Applied Chemistry ›› 1991, Vol. 0 ›› Issue (3): 1-4.

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ISOTHERMAL CRYSTALLIZATION KINETICS OF LANTHANUM OXIDE FILLED POLYPROPYLENE

Liu Jingjiang, Tang Gongben, Zhou Huarong, Wang Zenglin, Guo Qipeng, Ni Jiazuan

Changchun Institute of Applied Chemistry, Academia Sinica, Changchun 130022

Received:1990-03-31 Revised:1990-07-19 Published:1991-06-10 Online:1991-06-10

Abstract

Abstract: Isothermal crystallization kinetics of polypropylene (PP) and a PP composite with lan-thanum oxide has been studied by DSC.Although the crystallization rate increased by ca.three times in the composite, the Avrami index, the activation energy for crystallizationas well as the end surface frce energy were affected not markedly.The increase incrystallization rate for the composite is considered as a result of the increase in numberof nucleators owing to lanthanum oxide added.

Key words: polypropylene, lanthanum oxide, crystallization, kinetics

Liu Jingjiang, Tang Gongben, Zhou Huarong, Wang Zenglin, Guo Qipeng, Ni Jiazuan. ISOTHERMAL CRYSTALLIZATION KINETICS OF LANTHANUM OXIDE FILLED POLYPROPYLENE[J]. Chinese Journal of Applied Chemistry, 1991, 0(3): 1-4.

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ISOTHERMAL CRYSTALLIZATION KINETICS OF LANTHANUM OXIDE FILLED POLYPROPYLENE

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