Publisher： Trans Tech Publications
E-ISSN： 1662-7482|2014|711|245-249
ISSN： 1660-9336
Source： Applied Mechanics and Materials, Vol.2014, Iss.711, 2015-02, pp. : 245-249
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Abstract
The magnesium hydroxide (Mg(OH)2, MH) was modified using oleic acid (C17H33COOH, OA) by wet techonlogy. The modification effect of MH was evaluated by activation index and oil absorption rate. The optimum technological conditions were as follows: the concentration of magnesium hydroxide slurry was 35wt%, the oleic acid 2wt% ,temperature 70 °C, time 40 min and a stirring rate 2200 rpm. Additionally, the structure and morphology of the improved modified MH powders were characterized by SEM, XRD, FTIR, TGA-DSC. Compared with the unmodified MH, the modified MH had better dispersibility and hydrophobicity.
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