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| Research on Surface Organizing Modification of Red Mud Powder |
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Received:May 09, 2018
Revised:June 07, 2018
Accepted:June 07, 2018
Published Online:September 19, 2018
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| DOI：doi：10.3969/j.issn.1007-7545.2018.10.006 |
| KeyWord:red mud; organizing modification; composited coupling agent; inorganic mineral filler |
| Author | Institution |
| LIU Wanchao |
中国铝业郑州有色金属研究院有限公司 |
| YAN Kun |
中国铝业郑州有色金属研究院有限公司 |
| ZHANG Chaopu |
中国铝业郑州有色金属研究院有限公司 |
| DUAN Guangfu |
中国铝业郑州有色金属研究院有限公司 |
| HE Xinzhong |
中国铝业郑州有色金属研究院有限公司 |
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| Abstract: |
| Effects of several coupling agents on oil absorption value and active index of organizing modification red mud powder were comparatively studied to obtain the optimum coupling agent and its usage conditions. The experimental results show that FH-1(NDZ-101 DL-411-D) compound coupling agent has the best modified effect on red mud. The optimum modification conditions include dosage of FH-1 of 1.0%~1.2% of red mud mass, modification temperature of 120~150 ℃, and modification time of 0.5~1 h. The modified red mud with oil absorption of 30 mL below per 100 g powder and activation index of 95%~97% can be used as inorganic mineral filler to prepare organic composite materials. |
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