Silica particles having reactive functional group on surface, and method of producing the same

Silica particles having reactive functional group on surface, and method of producing the same

Silica particles having a thiol group on a surface thereof, and satisfying the following conditions (a) to (c): (a) a particle diameter is 20 to 1,000 nm; (b) a density of the thiol group on the surface of the silica particles is 0.002 to 0.2 piece/nm 2 ; and (c) a ratio (B/A) in terms of an amount...

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Hauptverfasser: Ohkubo, Michio, Nishida, Masataka, Yamanaka, Nobumitsu, Miyoshi, Kazutomi
Format: Patent
Sprache:eng
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INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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creator Ohkubo, Michio
Nishida, Masataka
Yamanaka, Nobumitsu
Miyoshi, Kazutomi
description Silica particles having a thiol group on a surface thereof, and satisfying the following conditions (a) to (c): (a) a particle diameter is 20 to 1,000 nm; (b) a density of the thiol group on the surface of the silica particles is 0.002 to 0.2 piece/nm 2 ; and (c) a ratio (B/A) in terms of an amount B (piece/particle) of the thiol group existing on the surface of the silica particles to an amount A of sulfur elements in the silica particles (the number of sulfur elements derived from thiol per silica particle) is 0.10 to 0.60.
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title Silica particles having reactive functional group on surface, and method of producing the same
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