Influence of Polyelectrolyte Dispersants on Properties of Y-TZP Suspensions

Journal of Inorganic Materials

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Influence of Polyelectrolyte Dispersants on Properties of Y-TZP Suspensions

WANG Jun; SUN Jing; GAO Lian

State Key Lab of High Performance Ceramics Superfine Microstructure Studies; Shanghai institute of Ceramics Shanghai 200050 China

Received:1998-04-02 Revised:1998-05-27 Published:1999-04-20 Online:1999-04-20

Abstract

Abstract: Polyelectrolyte dispersants NH₄PAA and NH₄PMAA were synthesized by controlling proper reaction parameters.Isotherm adsorption and IR spectra of Y-TZP suspensions indicated that optimum content of dispersant was 2 wt% at pH 10. Surface structure was obviously affected by the absorbed polymer.The zeta potential and rheology of Y-TZP suspensions were investigated. Low viscosity Y-TZP suspensions with a solids loading of 47 vol% was obtained by adding NH₄PAA as dispersant.

Key words: polyelectrolyte, Y-TZP, suspensions, rheology

CLC Number:

O648

WANG Jun,SUN Jing,GAO Lian. Influence of Polyelectrolyte Dispersants on Properties of Y-TZP Suspensions[J]. Journal of Inorganic Materials.

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Influence of Polyelectrolyte Dispersants on Properties of Y-TZP Suspensions

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