矿产综合利用Issue(1)：69-72,77,5.DOI:10.3969/j.issn.1000-6532.2013.01.019
钛酸酯对电气石粉体的表面改性及表征
Surface Modification and Characterization of Tourmaline Powder by Titanate Coupling Agent
摘要
Abstract
The surface organic modification of tourmaline powder with titanate coupling agent was studied in detail with the parameters of settling time, oil absorption value and absorbance, and the optimal technological conditions were determined as 4% (of the mass of tourmaline powder)of titanate coupling agent with the solid/liquid ratio 10: 50 of the ore slurry reacted at 60℃ for 1.0h in distilled water of pH9 ,and the settling time of modified tourmaline increased to 467min from 14min of raw tourmaline in liquid paraffin. The characterization of structure showed that surface organic modification has only reduced the surface polarity of tourmaline,but not altered the crystal structure of tourmaline, and the amount of released negative ions of modified tourmaline was 1.75 times of raw tourmaline.关键词
电气石/钛酸酯偶联剂/表面改性/负离子Key words
Tourmaline/Titanate coupling agent/Surface modification/Negative ion分类
矿业与冶金引用本文复制引用
胡应模,杨雪,王清岭,边静..钛酸酯对电气石粉体的表面改性及表征[J].矿产综合利用,2013,(1):69-72,77,5.基金项目
国家自然科学基金项目资助(51072187) （51072187）
