Surface Modification and Structural Characterization of Tourmaline Powder by KH-171

CUI Kui; HU Yingmo; PANG Baobao; WU Shasha; ZHANG Zhen; GUO Sufang

doi:10.3969/j.issn.1000-6532.2024.03.015

2024 No. 3

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Article navigation > Multipurpose Utilization of Mineral Resources > 2024 > 45(3): 92-95, 120

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CUI Kui, HU Yingmo, PANG Baobao, WU Shasha, ZHANG Zhen, GUO Sufang. Surface Modification and Structural Characterization of Tourmaline Powder by KH-171[J]. Multipurpose Utilization of Mineral Resources, 2024, 45(3): 92-95, 120. doi: 10.3969/j.issn.1000-6532.2024.03.015

Citation:

CUI Kui, HU Yingmo, PANG Baobao, WU Shasha, ZHANG Zhen, GUO Sufang. Surface Modification and Structural Characterization of Tourmaline Powder by KH-171[J]. Multipurpose Utilization of Mineral Resources, 2024, 45(3): 92-95, 120. doi: 10.3969/j.issn.1000-6532.2024.03.015

Surface Modification and Structural Characterization of Tourmaline Powder by KH-171

School of Materials Science and Technology, China University of Geosciences, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, Beijing 100083, China

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Corresponding author: HU Yingmo, huyingmo@cugb.edu.cn

Received Date: 19 July 2022

Publish Date: 25 June 2024

Abstract

Abstract

This is an article in the field of mineral materials. The tourmaline powder was modified with silane coupling agent KH-171, and the process conditions were optimized with the parameters of contact angle and turbidity of the modified product in liquid paraffin. The test results showed that the contact angle of the resulting modified tourmaline reached 133 ℃ when reacted at 60 ℃ for 2 h at a system pH value of 9, a dosage of modifier KH-171 of 2 mL, and an alcohol-to-water ratio of 1∶5, showing excellent hydrophobic properties. The modified tourmaline was characterized by IR, SEM and XRD. The results showed that the organic functional groups with carbon-carbon double bonds were successfully connected to the surface of tourmaline without changing the original crystal structure, but the agglomeration of tourmaline reduced effectively and showed better dispersion performance.
- Mineral materials /
- Tourmaline /
- KH-171 /
- Surface modification /
- Silane coupling agent /
- Hydrophobicity

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References

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