Non-isothermal crystallization kinetics of PA6 /reactable nano-SiO2 composites

doi:10.19491/j.issn.1001-9278.2011.09.011

China Plastics ›› 2011, Vol. 25 ›› Issue (09): 48-55 .DOI: 10.19491/j.issn.1001-9278.2011.09.011

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Non-isothermal crystallization kinetics of PA6 /reactable nano-SiO₂ composites

Xiangmin XU Yuping GE Yudong ZHANG Zhijun ZHANG

Received:2011-05-13 Revised:2011-07-18 Online:2011-09-26 Published:2011-09-26

Abstract

Abstract: PA6/reactive nano-SiO2 composites were prepared in a twin-screw extruder by melt compounding. The non-isothermal crystallization of the composties and neat PA6 were studied through Jeziorny and Mo methods based on DSC analysis. It showed that reactive nano-SiO2 had a strong heterogeneous nucleation effect on PA6 matrix. Its addition increased the crystallization rate of PA6, and led to changes in crystal structure, growth mechanism, and activation energy of PA6.

Key words: polyamide 6, reactable nano-silca, composite, non-isothermal crystallization

CLC Number:

TQ323.6

Xiangmin XU Yuping GE Yudong ZHANG Zhijun ZHANG. Non-isothermal crystallization kinetics of PA6 /reactable nano-SiO₂ composites[J]. China Plastics, 2011, 25(09): 48-55 .

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Non-isothermal crystallization kinetics of PA6 /reactable nano-SiO₂ composites

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