C-CNF Surface Modified Tourmaline and its Dispersion Stability

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

doi:10.3969/j.issn.1000-6532.2024.02.016

2024 No. 2

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Article navigation > Multipurpose Utilization of Mineral Resources > 2024 > 45(2): 100-104, 117

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PANG Baobao, HU Yingmo, ZHANG Zhen, CUI Kui, WU Shasha, GUO Sufang. C-CNF Surface Modified Tourmaline and its Dispersion Stability[J]. Multipurpose Utilization of Mineral Resources, 2024, 45(2): 100-104, 117. doi: 10.3969/j.issn.1000-6532.2024.02.016

Citation:

PANG Baobao, HU Yingmo, ZHANG Zhen, CUI Kui, WU Shasha, GUO Sufang. C-CNF Surface Modified Tourmaline and its Dispersion Stability[J]. Multipurpose Utilization of Mineral Resources, 2024, 45(2): 100-104, 117. doi: 10.3969/j.issn.1000-6532.2024.02.016

C-CNF Surface Modified Tourmaline and its Dispersion Stability

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

More Information

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

Received Date: 01 August 2022

Publish Date: 25 April 2024

Abstract

Abstract

This is an article in the field of mineral processing engineering. Tourmaline has been widely used for its spontaneous polarity, pyroelectric effect, far-infrared radiation and negative-ion release effect. In order to increase its stability in water-based coatings and improve its performance in water-based coatings, in this work, the surface modification of tourmaline with carboxylated nanolocellulose (C-CNF) was studied and optimized. The test results show that the performance of modified tourmaline was optimal while the addition of C-CNF was 2 g, solid-to-liquid ratio 1:5, and reacted 2h at 50 ℃, its turbidity reached 1361 ntu, contact angle to 53^o. It was found that C-CNF was successfully grafted to the tourmaline surface by means of characterization of the modified tourmaline, and the dispersion of the modified tourmaline in the aqueous medium was better improved.
- Mineral processing engineering /
- Tourmaline /
- Surface modification /
- Carboxylated nanoflulose /
- Dispersing stability

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References

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