POLYMERIC COMPOSITION FOR CLEANING MOLDS Russian patent published in 1996 - IPC

FIELD: cleaning of molds of intricate configuration. SUBSTANCE: the composition further comprises keratin containing fibrous agent, the ratio of components being as follows (wt parts): 40-60 melaminoformaldehyde resin; 3-20 keratin containing fibrous agent; 28-50 powdery mineral filler; 1-2 lubricant. The composition further also comprises dye and/or pigment in amount of from 0.001-2.0 wt parts. The presence of containing agent in the composition permits producing undestructable mold frames when withdrawn out of molds while maintaining high cleaning efficiency. EFFECT: improved properties of the polymeric composition. 2 cl, 2 tbl