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Melting behavior of poly(oxytetramethylene)-alt-(aromatic oligoamide) block copolymers

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Abstract

Using temperature-modulated differential scanning calorimetry, the melting behaviour of poly(oxytetramethylene)-alt-(aromatic oligoamide) (POTM-alt-AOA) has been studied in comparison with that of polyoxytetramethylene glycohols (POTMGs). The apparent melting temperature of the block copolymers is found to be less than that of the corresponding POTMGs by approximately 30°C. The relaxation time of melting of a POTM segment has been estimated and compared with that of POTMG. The relaxation time of POTM-alt-AOA is slightly shorter than that of POTMG when the molar mass of the POTM segment is 2900; however, it is longer when the molar mass is 1400.

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Authors and Affiliations

  1. Department of Applied Chemistry, National Defense Academy, Yokosuka, Japan, 239-8686, 1-10-20 Hashirimizu

    M. Tsuchiya, A. Inomura & T. Kojima

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  1. M. Tsuchiya
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  2. A. Inomura
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  3. T. Kojima
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Correspondence to M. Tsuchiya.

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Tsuchiya, M., Inomura, A. & Kojima, T. Melting behavior of poly(oxytetramethylene)-alt-(aromatic oligoamide) block copolymers. J Therm Anal Calorim 88, 471–475 (2007). https://doi.org/10.1007/s10973-006-8089-x

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  • DOI: https://doi.org/10.1007/s10973-006-8089-x

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