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Anionic surface modification of titanium carbide nanoparticles and enhancements in their dispersibility and rheological behavior in aqueous solution

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Abstract

Titanium carbide has attracted considerable attention for the development of ultrahigh-temperature ceramics and electromagnetic interference-shielding applications. Titanium carbide is widely used in a colloid state in the sintering or synthesis to improve the sinterability and homogeneity. However, titanium carbide particles in an aqueous solution are aggregated because of their low dispersibility. To enhance the dispersibility of the particles in an aqueous solution, anionic surface modification and anionic dispersant were used in this study. A polyacrylic acid anionic treatment modified the particles by forming hydroxyl and carboxyl groups on their surfaces. Ammonium polymethacrylate, an anionic dispersant, was added to the suspension to improve the electrostatic force of the particles. The dispersibility and viscosity of the suspension were changed with the variation in the polyacrylic acid content and addition of ammonium polymethacrylate.

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Acknowledgements

This paper was supported by Korea Institute for Advancement Technology (KIAT) grant funded by the Korea Government (MOTIE) (P0017012, Human Resource Development Program for Industrial Innovation).

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Authors and Affiliations

  1. Division of Materials Science and Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea

    Jinuk Choi

  2. Department of Advanced Materials Engineering, Kyonggi University, 154–42 Gwanggyosan-ro, Suwon, 16227, Republic of Korea

    Gye Seok An

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  1. Jinuk Choi
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  2. Gye Seok An
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Correspondence to Gye Seok An.

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Choi, J., An, G.S. Anionic surface modification of titanium carbide nanoparticles and enhancements in their dispersibility and rheological behavior in aqueous solution. J. Korean Ceram. Soc. 59, 202–207 (2022). https://doi.org/10.1007/s43207-021-00174-w

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  • DOI: https://doi.org/10.1007/s43207-021-00174-w

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