POLYMERIC COMPOSITION Russian patent published in 1997 - IPC

FIELD: manufacture of general purpose products. SUBSTANCE: polymeric composition consisting of pheno-formaldehyde plastic based on novolac phenol formaldehyde resin and wood filler further comprises powder-like phenol binder or novolac phenol- formaldehyde resin and urotropin and also calcined magnesia and calcium stearate, the ratio of components being as follows, wt. -%: foam plastic based on novolac phenol-formaldehyde resin and wood filler, 77.6-87.4; powdered phenol binder or 9.5-18.5 novolac phenol- formaldehyde resin and 0.5-1.5 urotropin, 10.0-20.0; calcined magnesia, 0.1-0.3; calcium stearate, 2.0-2.5. The claimed invention makes it possible to prepare standard mold powder-based polymeric composition having good casting properties. EFFECT: improved properties of the polymeric composition with good casting properties. 3 cl, 2 tbl