Ceramics-containing dispersant, a method for producing same and the use of said dispersant in thick-film pastes

Abstract

A ceramic-containing disperse substance is proposed, having a ceramic component, a solvent and a dispersing agent, the ceramic component being present at least largely in the form of primary particles having an average particle size of 5 nm to 50 nm. The ceramic component in the material further has a specific surface of 20 m2/g to 120 m2/g. Besides that, a method for producing this disperse substance is proposed, the ceramic starting component being submitted to a preparation step together with the dispersing agent and the solvent, by which the average particle size of the ceramic starting powder is reduced, so that the ceramic-containing disperse substance is created. The proposed disperse substance is suitable, together with an additionally added binding agent and a plasticizer, especially for use in thick-film pastes such as the ones used in screen-printing methods or for the production of ceramics fired in a post-firing method.

Dependencies are inferred from the claim text.