Use of a plastic reaction mixture in a process for producing a front casting coating for foundry applications, mold plate or core box with a rear and a front casting coating and method for producing a casting or tool

摘要

The invention relates to a plastic (68), in particular for producing a front cast coating for a mold plate (56) for foundry applications, produced from a reaction mixture (66) which comprises an alkylthio-substituted toluenediamine (58) and a toluenediisocyanate prepolymer (64). The invention further relates to a method for producing a front cast coating for a mold plate (46) using the plastic (68), such a mold plate (56) and the use of the mold plate (56) in a method for producing a casting (77) or tool (78).