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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 876Analysis of the Structures and Thermal Properties...

Analysis of the Structures and Thermal Properties of Hexanediamine Adipate and Pentanediamine Adipate

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Abstract:

Hexanediamine adipate, pentanediamine adipate and bio-based pentanediamine adipate were prepared by adipic acid reaction with 1,6-hexanediamine, 1,5-pentanediamine and bio-based 1,5-pentanediamine, respectively. Their structures and thermal properties have been analyzed by infrared spectra, SEM, DSC and TGA. Infrared spectra showed the main differences between 1,6-hexanediamine and 1,5-pentanediamine for the deformation vibration and out of plane bending vibration of N−H. Hexanediamine adipate and pentanediamine adipate had the difference at the asymmetric stretching vibration of −COO^-−. The crystal morphologies of hexanediamine adipate and pentanediamine adipate showed dendritic and acicular, respectively. The melting point of pentanediamine adipate, pentanediamine adipate and bio-based pentanediamine adipate were 208.0 °C, 182.3 °C and 182.9 °C, respectively. The polymerization of hexanediamine adipate, pentanediamine adipate and bio-based pentanediamine adipate happened at 201.0, 190.2 and 194.9 °C, respectively. And the decomposition temperature of PA66, PA56 and bio-based PA56 were 401.8, 403.5 and 405.2 °C, respectively.

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International Conference on Material Science and Engineering II

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Periodical:

Applied Mechanics and Materials (Volume 876)

Pages:

76-83

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.876.76

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Online since:

February 2018

Authors:

Xiao Wan Yang, Xin Min Hao*, Jian Ming Wang, Yan Bin Liu, Hong Liang Kang

Keywords:

Bio-Based 1,5-Pentanediamine, Bio-Based Pentanediamine Adipate, Differential Scanning Calorimetry, Fourier Transform Infrared, Hexanediamine Adipate, Thermal Gravimetric

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© 2018 Trans Tech Publications Ltd. All Rights Reserved

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