The silicone coating and heat shield structure on a transparent substrate

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PROBLEM TO BE SOLVED : To provide a silicone coating material for a transparent base material, which is excellent in surface uniformity and adhesion and has high hardness and properties capable of sufficiently shielding heat rays such as near infrared rays.SOLUTION : The silicone coating material is used by mixing a silane solution composed of an alkoxysilane hydrolysate and a dispersion (ITO dispersion) of indium-tin oxide (ITO). ITO particles in the ITO dispersion are subjected to a silane treatment. A silane treating agent (silane coupling agent) used in the silane treatment is preferably an ω-glycidoxyalkyl alkoxysilane represented by general formula (I) (where, Rand Rare each H or CH, Ris a 1-4C alkylene group, Ris a 1-4C alkyl group, and n is 0 or 1).