| abstract |
The invention relates to the use of a composition comprising an ortho-fused phenolic resol in a quantity of up to 60 wt.%; one or more compounds selected from the group consisting of alkyl silicates, alkyl silicate oligomers, and mixtures thereof as a first solvent for the ortho-fused phenolic resol, the total quantity of said compounds being greater than 30 wt.%; optionally one or more additional solvents for the ortho-fused phenolic resol; and optionally one or more additional additives, wherein the weight percentage specifications are based on the total quantity of the composition, as binder components for producing feeder elements according to the cold box process. The invention also relates to the use of a two-component binder system for producing feeder elements according to the cold box process, to a method for producing a feeder element for the foundry industry, and to a feeder element. |