Ceramic compositions and processes for the manufacture and...

Details Ceramic compositions and processes for the manufacture and... Ceramic compositions and processes for the manufacture and...

C - Chemistry, Metallurgy

08

L

C08L 87/00 (2006.01) C04B 33/02 (2006.01) C04B 35/634 (2006.01) C08K 3/00 (2006.01) C08L 63/00 (2006.01)

Patent

CA 2065778

- 50 - CERAMIC COMPOSITIONS AND PROCESSES FOR THE MANUFACTURE AND USE THEREOF Abstract This invention relates to ceramic compositions comprising a ceramic material such as alumina, clay, a dispersant and one or more block polymers characterized by an ABCBA structure as a binder, and to ceramics produced therefrom. This invention also relates to processes for the production of ceramic compositions and for the manufacture of ceramics. By using one or more block polymers characterized by an ABCBA structure as a binder, polymers of relatively high molecular weight can be used, thereby giving good green strength in the greenware, while still keeping the slurry viscosity relatively low. The ceramic compositions exhibit good green density, good mold release and gentle burnout character. D-16736

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