Opaque composition for coating metallic or ceramic frame in dentistry, comprises aqueous suspension of ceramic powder, where suspension contains water-soluble polymeric binder and micro-crystalline wax

摘要

The opaque composition comprises an aqueous suspension of ceramic powder, where the suspension contains a water-soluble polymeric binder and micro-crystalline wax. The binder is a copolymer based on styrol and acrylic acid ester, where the acrylic acid ester is butyl acrylate. Ethoxylated alcohols are included with more than 14C-atoms in the chain. 2-20 wt.% binders, 2-20 wt.% micro-crystalline wax and 10-40 wt.% water are additionally provided for ceramic powder.