Surface Modification of Magnesium Hydroxide by A-174 Silane

Nian Yi Wang; Zhi Qi Liu; Li Juan Li; Li Xia Zhu

doi:10.4028/www.scientific.net/AMR.881-883.1424

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 881-883Surface Modification of Magnesium Hydroxide by...

Surface Modification of Magnesium Hydroxide by A-174 Silane

Abstract:

The surface of magnesium hydroxide (MH) was modified with a silane coupling agent A-174 (3-methacryloxypropyltrimethoxysilane) to improve MH dispersion and hydrophobicity. The effects of modification on the resultant product and the mechanisms involved were studied through activation index analysis, thermogravimetric analysis, Fourier transform infrared spectroscopy and scanning electron microscope. The optimum modification conditions were obtained as follows: an A-174 dosage of 1.5 wt.% at 145 °C for 10 min at a stirring rate of 3000 rpm. A chemical reaction was observed between the MH surfaces and A-174. The dispersion and hydrophobicity of MH remarkably improved after surface modification.

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Periodical:

Advanced Materials Research (Volumes 881-883)

Pages:

1424-1430

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.881-883.1424

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Online since:

January 2014

Authors:

Nian Yi Wang, Zhi Qi Liu, Li Juan Li, Li Xia Zhu

Keywords:

Magnesium Hydroxide, Silane Coupling Agent, Surface Modification

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