Giant Spherulite Formation in Amorphous Polyanion Membrane by Photopolymerization on Gelatin Matrix

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  • Bo-long Yao
    School of Chemical Engineering, Nanjing University of Science and Technology
  • Hong-chang Song
    School of Chemical Engineering, Nanjing University of Science and Technology
  • Lu-de Lu
    School of Chemical Engineering, Nanjing University of Science and Technology
  • Ming-qing Chen
    School of Chemical and Material Engineering, Southern Yangtze University
  • Tatsuo Kaneko
    School of Materials Science, Japan Advanced Institute of Science and Technology
  • Mitsuru Akashi
    School of Chemical and Material Engineering, Southern Yangtze University

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<jats:title>Abstract</jats:title> <jats:p>In-bulk photopolymerization of 2-acylamido-2-methylpropanesulphonic acid (AMPS) on gelatin matrix was made by ultraviolet irradiation at room temperature to form the crystalline and flexible membranes with giant spherulites (maximal radius: 2.2 cm). Number- and weight-average molecular weights of PAMPS were 79,500 and 138,000, respectively. The melting point of the membrane was around 200 °C. The giant spherulite formation was discussed on the basis of the PAMPS chain formation and PAMPS/gelatin complexation.</jats:p>

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  • Chemistry Letters

    Chemistry Letters 35 (11), 1228-1229, 2006-09-30

    Oxford University Press (OUP)

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