| 摘要 |
PROBLEM TO BE SOLVED: To provide an organic-inorganic composite material provided by uniformly dispersing inorganic fine particles in a resin matrix, having good moisture resistance, excellent transparency and a high refractive index. SOLUTION: The organic-inorganic composite material comprises a thermoplastic resin having a carboxy group at least at a polymer chain terminal end or a side chain, a dispersant having 50-10,000 number-average molecular weight and at least one carboxy group, and inorganic fine particles having 1-15 nm number-average particle size, wherein the inorganic fine particles are dispersed in the thermoplastic resin. COPYRIGHT: (C)2009,JPO&INPIT
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