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Miscibility evaluation of Nylon 66/Nylon 6 blends investigated by crystallization dynamics

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Abstract

The crystallization dynamics of Nylon 66/Nylon 6 blends, the crystalline/crystalline polymer blends, was analyzed by DSC under isothermal conditions. The crystal growth rate (G) and the nucleation rate (N) depended on both the degree of supercooling (ΔT) and the blend mass fraction (φ). The ΔT /T m 0 values obtained at the fixed G, which corresponded to the chemical potential difference of molecules between liquid and crystal states, and the surface free energy parameters evaluated from G and N depended on φ for blends. The results suggested that Nylon 66/Nylon 6 blends with φN66≥0.80 or φN66≤0.15 are miscible.

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Authors and Affiliations

  1. School of Chemical Engineering and Environment, Beijing Institute of Technology, Beijing, China, 100081

    Zhang G. Z. & Liu C. Q.

  2. Graduate School of Engineering, Tokyo Metropolitan University, Hachiouji, Tokyo, Japan, 192-0397

    Yoshida H.

Authors
  1. Zhang G. Z.
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  2. Liu C. Q.
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  3. Yoshida H.
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Correspondence to Zhang G. Z..

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Zhang, G.Z., Liu, C.Q. & Yoshida, H. Miscibility evaluation of Nylon 66/Nylon 6 blends investigated by crystallization dynamics. J Therm Anal Calorim 85, 707–712 (2006). https://doi.org/10.1007/s10973-006-7631-1

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  • DOI: https://doi.org/10.1007/s10973-006-7631-1

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