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Properties of precipitated silicas, modified with 3‐amino‐propyltriethoxysilane as semi‐finished product for preparation of pigments

Properties of precipitated silicas, modified with 3‐amino‐propyltriethoxysilane as semi‐finished... Surface of precipitated silica was modified with 3-aminopropyltriethoxysilane. The optimum solvent was selected, in which the silane coupling agent was deposited on silica surface. Basic physicochemical properties of the modified silica were estimated. Methods of evaluating silica surface modification extent were presented, taking advantage first of all of its altered hydrophilicity and of differences in condensation extent of surface silanol groups. The modified silica was used as adsorbent capable of trapping water soluble organic amines. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Pigment & Resin Technology Emerald Publishing

Properties of precipitated silicas, modified with 3‐amino‐propyltriethoxysilane as semi‐finished product for preparation of pigments

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References (12)

Publisher
Emerald Publishing
Copyright
Copyright © 1999 MCB UP Ltd. All rights reserved.
ISSN
0369-9420
DOI
10.1108/03699429910294319
Publisher site
See Article on Publisher Site

Abstract

Surface of precipitated silica was modified with 3-aminopropyltriethoxysilane. The optimum solvent was selected, in which the silane coupling agent was deposited on silica surface. Basic physicochemical properties of the modified silica were estimated. Methods of evaluating silica surface modification extent were presented, taking advantage first of all of its altered hydrophilicity and of differences in condensation extent of surface silanol groups. The modified silica was used as adsorbent capable of trapping water soluble organic amines.

Journal

Pigment & Resin TechnologyEmerald Publishing

Published: Oct 1, 1999

Keywords: Pigments; Precipitation

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