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Physicochemical properties of organic pigments on a silica core

Physicochemical properties of organic pigments on a silica core The surface of pyrogenic silica was modified with silane coupling agent, such as N‐2‐(aminoethyl)‐3‐aminopropyltrimethoxysilane. Pigments were obtained by attaching different organic dyes, to a modified silica surface. The adsorption process was conducted in an aqueous suspension of the modified silica in the presence of the dye. In order to determine effect of silane on the dye adsorption process various amounts of the modifying compound was used. The microscopic properties, colour and particle size distribution were examined for the modified silicas and the obtained pigments. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Pigment & Resin Technology Emerald Publishing

Physicochemical properties of organic pigments on a silica core

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References (11)

Publisher
Emerald Publishing
Copyright
Copyright © 2002 MCB UP Ltd. All rights reserved.
ISSN
0369-9420
DOI
10.1108/03699420210420747
Publisher site
See Article on Publisher Site

Abstract

The surface of pyrogenic silica was modified with silane coupling agent, such as N‐2‐(aminoethyl)‐3‐aminopropyltrimethoxysilane. Pigments were obtained by attaching different organic dyes, to a modified silica surface. The adsorption process was conducted in an aqueous suspension of the modified silica in the presence of the dye. In order to determine effect of silane on the dye adsorption process various amounts of the modifying compound was used. The microscopic properties, colour and particle size distribution were examined for the modified silicas and the obtained pigments.

Journal

Pigment & Resin TechnologyEmerald Publishing

Published: Apr 1, 2002

Keywords: Pigments; Silica; Dyes

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