Effect of Molecular Structure of Polymer Dispersant on Dispersion Behavior of Alumina Nano meter sized Particles in Non-aqueous Suspension

Takeshi Miyauchi; Toshio Kakui; Chihiro Hashimoto; Hidehiro Kamiya

doi:10.14853/pcersj.2003S.0.370.0

Preprints of Annual Meeting of The Ceramic Society of Japan, 2003

Session ID : 2E03

DOI https://doi.org/10.14853/pcersj.2003S.0.370.0

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Host: The Ceramic Society of Japan

Effect of Molecular Structure of Polymer Dispersant on Dispersion Behavior of Alumina Nano meter sized Particles in Non-aqueous Suspension

*Takeshi Miyauchi, Toshio Kakui, Chihiro Hashimoto, Hidehiro Kamiya

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Abstract

To analyze the relationship between molecular weight of polymer dispersant and particle diameter in dense Al2O3/ethanol suspension, the macroscopic viscosity of suspension with different molecular weight of polymer dispersant was determined by viscometer. The optimum molecular weight to obtain the minimum viscosity decreased from 10000g/mol to 1800g/mol with decreasing of the particle size from several 100nm to 10nm in diameter.

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