Liquefaction of highly loaded particulate suspensions

Details Liquefaction of highly loaded particulate suspensions Liquefaction of highly loaded particulate suspensions

1986-04-25

1989-03-28

Gron, Teddy S.

Compositions

Preservative agents

Anti-corrosion

252309, 252314, 264 56, 264 63, 264 86, 264302, 501 1, 501 94, B01J 1302, C04B 3502, C04B 3510, C04B 3332

Patent

active

048161829

ABSTRACT:
Suspensions of ceramic or metallic colloidal particles having a high volume fraction (greater than about 55 vol. %) solid particles are provided in a pourable form. The pourable suspension includes at least about 55 vol. % ceramic or metallic colloidal particles, an aqueous vehicle, and an acrylic acid-based polymeric polyelectrolytic dispersant. Such suspensions can be prepared by mixing the colloidal particles in a staged order of addition and under a high shear rate with the other components. The suspensions are suitable for making ceramic or metallic articles, and can exhibit a low viscosity.

REFERENCES:
patent: 3361680 (1968-01-01), Bohrer
patent: 4026819 (1977-05-01), Langere et al.
patent: 4166147 (1979-08-01), Lange et al.
patent: 4354872 (1982-10-01), Kekish et al.
patent: 4376654 (1983-03-01), Zola
patent: 4548733 (1985-05-01), Vincent
patent: 4569920 (1986-02-01), Smith-Johannsen
patent: 4574003 (1986-03-01), Gerk
patent: 4624800 (1986-11-01), Sasaki et al.
patent: 4677082 (1987-01-01), Alford et al.

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