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Change of thermal properties of polyamide-6,6/glass fiber composite by the addition of nigrosine

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Abstract

Effects of nigrosine content on the thermal behavior of nylon-6,6/glass fiber composite were investigated. Differential scanning calorimetry was used to analyze the thermal behaviors. The onset crystallization temperature and peak crystallization temperature were shifted to lower temperature by the addition of nigrosine, which indicated that nigrosine suppressed the crystallization of nylon-6,6 molecules. Higher value of effective activation energy by the addition of nigrosine was obtained using Friedman isoconversion method and it also indicated the restriction of nylon-6,6 molecules to form crystals. Liu–Mo method was applied to characterize the non-isothermal crystallization kinetics, and Liu–Mo model was suitable to represent the non-isothermal crystallization kinetics of nylon-6,6 containing nigrosine.

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Acknowledgements

This work was supported by the Technology Innovation Industrial funded by the Ministry of Trade, Industry & Energy of Korea.

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Authors and Affiliations

  1. Department of Chemical Engineering, College of Engineering, Kyung Hee University, Yonginsi, Kyunggido, Korea

    Seung Hun Yang, Sang Hun Cha, Jae Ik Kim & Sung Hun Ryu

  2. Woo Sung Chemical Inc., Youngcheon, Gyungsangbookdo, Korea

    Min Ho Lee & Sang Gu Kim

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  1. Seung Hun Yang
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Correspondence to Sung Hun Ryu.

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Yang, S.H., Cha, S.H., Kim, J.I. et al. Change of thermal properties of polyamide-6,6/glass fiber composite by the addition of nigrosine. Polym. Bull. 74, 5083–5094 (2017). https://doi.org/10.1007/s00289-017-2005-3

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  • DOI: https://doi.org/10.1007/s00289-017-2005-3

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