期刊
POLYMERS FOR ADVANCED TECHNOLOGIES
卷 12, 期 5, 页码 285-292出版社
JOHN WILEY & SONS LTD
DOI: 10.1002/pat.64
关键词
surface modification; inorganic oxide particles; 3-glycidoxypropyl trimethoxysilane; xanthene dye; azo dye
The silane coupling agent 3-glycidoxypropyl trimethoxylsilane (GPS) was grafted onto the surface of silica gel, PZ glass beads and TiO2 oxide particles. FT-IR, thermogravimetric and elemental analysis were used to characterize the modified particles. The effects of various factors on the GPS grafting efficiency such as catalyst, GPS concentration, reaction temperature and time were studied. After modification with GPS, the xanthene dye rhodamine B and azo dyes 4-phenylazophenol and 4-phenylazoaniline, respectively, were grafted on to the particles, which were then used as pigment piers The colors of the pigments were adjusted by changing the kind of dyes, the concentration, the pH and the reaction solvents. Copyright (C) 2001 John Wiley & Sons, Ltd.
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