Resorcinol polymer bonded taphole mix and specialty materials
AssigneeGeneral Refractories Company
InventorsFrancis W. Henry, Jr., Henry E. Anthonis, III, Subrata Banerjee
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Abstract
A non-aqueous taphole mix comprising a binder, a non-aqueous solvent for the binder and a refractory filler, the binder comprising a mixture of polymers formed by the homopolymerization of resorcinol and a hardening agent. Also disclosed are carbon-containing specialties comprising a binder, a solvent for the binder, and a refractory filler, the binder comprising a mixture of polymers formed by the homopolymerization of resorcinol and a hardening agent.
Claims20
A non-aqueous taphole mix comprising a binder, a non-aqueous solvent for the binder and a refractory filler, said binder comprising a mixture of polymers formed by the homopolymerization of resorcinol and a hardening agent, said mixture of polymers formed by the homopolymerization of resorcinol comprising about 2-8% resorcinol, about 12-20% isomers of dihydroxydiphenyl, about 10-45% isomers of trihydroxydiphenyl, and the balance being higher polymers of resorcinol, and said hardening agent being selected from the group consisting of lignosulphonate, sulphur, tris-(hydroxymethyl)-nitromethane, hexamethylene tetramine, or hexamethoxymethylmelamine.
A carbon-containing specialty comprising a binder, a solvent for the binder, and a refractory filler, said binder comprising a mixture of polymers formed by the homopolymerization of resorcinol and a hardening agent, said mixture of polymers formed by the homopolymerization of resorcinol comprising about 2-8% resorcinol, about 12-20% isomers of dihydroxydiphenyl, about 10-45% isomers of trihydroxydiphenyl, and the balance being higher polymers of resorcinol, and said hardening agent being selected from the group consisting of lignosulphonate, sulphur, tris-(hydroxymethyl)-nitromethane, hexamethylene tetramine, or hexamethoxymethylmelamine.
Dependencies are inferred from the claim text.