Patent ID: 6326418
Filing Date: 2001-12-04
Classification: B22C

Abstract:
A refractory granular material composition for a self-hardening molding by acid-hardening, consisting essentially of:a refractory granular material;an acid-hardening resin-containing binder;an acid-containing hardener; andat least one solvent selected from the group consisting of (1) alcohols, (2) ether alcohols and ester shown below: ##STR3##whereinR.sub.1 represents a C4 to C8 straight-chain or branched aliphatic hydrocarbon group or a benzyl group;R.sub.2 represents a C 1 to C 10 straight-chain or branched aliphatic hydrocarbon group, phenyl group or a benzyl group;R.sub.3 represents an ethylene group or a propylene group;n is an integer of 1 to 12;R.sub.4 represents a phenyl group or a methyl group; and R5 is a C2 to C6 aliphatic hydrocarbon group or (R.sub.3 --O).sub.n R.sub.2.