Adsorption of organic dyes on the aminosilane modified TiO2 surface

被引：48

作者：

Andrzejewska, A ^{[1
]}

Krysztafkiewicz, A ^{[1
]}

Jesionowski, T ^{[1
]}

机构：

[1] Poznan Tech Univ, Inst Chem Technol & Engn, PL-60965 Poznan, Poland

来源：

DYES AND PIGMENTS | 2004年 / 62卷 / 02期

关键词：

titanium dioxide; modification process; dyes adsorption; particle size distribution;

D O I：

10.1016/j.dyepig.2003.11.014

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Studies were performed on modification of the rutile titanium dioxide surface using 3-aminopropyltriethoxysilane and N-2-(aminoethyl)-3-aminopropyltrimethoxysilane in various solvents (methanol, toluene, acetone and methanol-water mixture). The modified titanium white was subjected to physicochemical evaluation, aimed at estimating its bulk density, capacity to absorb water, dibutyl phthalate and paraffin oil. Organic dyes were deposited on the surface of the modified titanium white. For the obtained pigments their dispersion, grain morphology, structure of individual particles, particle size distribution, and specific surface area were estimated. In the studies DLS and SEM techniques, and BET method were employed. (C) 2004 Elsevier Ltd. All rights reserved.

引用

页码：121 / 130

页数：10

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