| 摘要 |
Reactive silica particles capable of producing coatings exhibiting excellent scratch resistance, weather resistance, adhesiveness, and curability, while satisfying a wide spectrum of performances from transparency to semi-transparency and providing a glossy surface as well as a frosty surface. Reactive silica particles comprises silica particles and an organic compound chemically bonded to the silica particles via a silyloxy group, wherein the organic compound has a polymerizable unsaturated group, a group represented by the following formula (1), (wherein X is a group selected from -NH-, -O-, and -S- and Y is a group selected from oxygen and sulfur, provided that when X is -O-, Y is a sulfur atom), and a group represented by the following formula (2), (wherein Z is a group selected from oxygen and sulfur)
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