Abstract
SynopsisIn addition to transparency, low thermal expansion and high heat resistance are required for the polymeric materials used in the field of photovoltaic cells and display substrates. We developed the transparent substrate having these properties by dispersing a higher content of colloidal silica into the resin.The plastic substrate having more than 90% of total light transmittances was obtained by immobilizing 33vol.% of silica particles of ca.110 nm diameter into this polymer network. A Bragg lattice spacing obtained from measurement of a synchrotron radiation small-angle X-ray scattering is correlated with the distance between silica particles observed in the scanning electron microscopic images. These results indicate that a synchrotron radiation is powerful tool for evaluation of dispersion of silica nano-particles in the network polymer.(Received November 16, 2009)
