SUSPENSION FOR PRODUCING CERAMIC MOLDS AT USING INVESTMENT PATTERNS Russian patent published in 2006 - IPC B22C1/06 B22C1/22 

FIELD: foundry, possibly manufacture of silica free ceramic molds.

SUBSTANCE: suspension contains as organic binder epoxy resin solution in organic solvent; as metallic powder - powder of aluminum, titanium, zirconium, chrome; as refractory filler - powder of refractory compounds such as oxides of aluminum, chrome, titanium and(or) of zirconium, nitrides of aluminum, titanium, silicon and(or) boron, carbides of silicon, titanium, niobium, zirconium, boron and(or) vanadium, borides of titanium, zirconium and(or) niobium ( mass %) at next relation of components: organic binder, 10 -40; metallic powder, 0.5 - 35.0; refractory filler, the balance. Suspension contains as epoxy resin solvent mixture of acetone and turpentine with content of acetone 40 - 90% and content of turpentine 10 - 60%.

EFFECT: possibility for producing high quality ceramic molds with high degree of refractoriness.

3 cl, 1 ex, 2 tbl