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Oxygen gas permeability in water and mechanical properties of poly(n-butylamino)-(di-allylamino) phosphazene membranes cured with the irradiation

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Abstract

Poly(n-butylamino) (di-allylamino)phosphazenes were prepared by the reaction of (NPCl2) n withn-butylamine and di-allylamine. After the membranes were prepared by the casting method, they were irradiated by ultraviolet electron beam,60Co γ-rays. It was found from Fourier transform-infrared data that the CH=CH2/N-H ratios of the irradiated membranes decreased with increasing dose. Also, the membrane did not dissolve in tetrahydrofuran or other organic solvents. This supported the idea that the CH=CH2 bond was cleaved by the irradiation and the cross-linking occurred intermolecularly. Oxygen gas permeability values,D k, of the irradiated membrane were determined from oxygen permeability and mechanical properties were determined with a Tensilon instrument.D k values decreased with increasing Young's modulus in the case of low concentrations of di-allylamine.

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Authors and Affiliations

  1. Department of Applied Chemistry, School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, 464-01, Nagoya, Japan

    M. Kajiwara & T. Kimura

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  1. M. Kajiwara
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  2. T. Kimura
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Kajiwara, M., Kimura, T. Oxygen gas permeability in water and mechanical properties of poly(n-butylamino)-(di-allylamino) phosphazene membranes cured with the irradiation. J Mater Sci 31, 5457–5462 (1996). https://doi.org/10.1007/BF01159317

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  • DOI: https://doi.org/10.1007/BF01159317

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