Abstract
High transparent and homogeneous poly(urethane acrylate) (UA Polymer)/silica hybrids were obtained by using strong ionic interaction between carboxylic acid groups of the UA Polymer and amino moieties of silica resulting from 3-aminopropyltriethoxysilane (APTEOS). The ionic interaction was directly confirmed by FT-IR measurement. The homogeneity of the obtained UA Polymer/silica hybrids was examined by SEM, TM-AFM and nitrogen adsorption porosimetry studies. Thermal property of the polymer hybrids was also checked by TGA study. Furthermore, the semi-interpenetrating polymer network (semi-IPN) structured UA Polymer/silica hybrids, where UA Polymer was dispersed in silica gel matrix, were changed to the IPN structured polymer hybrids by photo-induced cross-linking between UA Polymers. The change of the surface hardness, solvent-resistant property, and surface roughness on nanometer scale depending on the formation of IPN structure was investigated.
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Ogoshi, T., Chujo, Y. & Esaki, A. Synthesis and Characterization of UV-Induced Interpenetrating Polymer Network (IPN) Structure of Poly(urethane acrylate) (UA Polymer)/Silica Hybrids. Polym J 37, 686–693 (2005). https://doi.org/10.1295/polymj.37.686
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DOI: https://doi.org/10.1295/polymj.37.686
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