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Transparent silica-polymer hybrid

Formation of Transparent Silica—Polymer Hybrids Based on Siloxane-Containing Polyimides... [Pg.392]

JOHNEN ET AL. Formation of Transparent Silica—Polymer Hybrids 397... [Pg.397]

Yu YY, Chen WC (2003) Transparent organic-inorganic hybrid thin films prepared from acrylic polymer and aqueous monodispersed colloidal silica. Mater Chem Phys 82(2) 388-395... [Pg.82]

Poly(vinyl-acetate), the polymer chosen for this study, is functionally incapable of covalently bonding with the polymerizing silicon alkoxide, TEOS. Therefore, the Si02/PVAc composites may be considered class I hybrid materials. Reasons for interest in mixing PVAc with silica include its excellent optical transparency, a refractive index close to that of silica, and its solubility in ethanol-water mixtures. The solubility of PVAc in ethanol-water mixtures allows the polymer to be added directly to a typical alkoxide sol-gel formulation of alkoxide, alcohol, water, and catalyst, followed by tiie polymerization of the inorganic network around the organic polymer domains. [Pg.385]

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