Patent ID: 7989519

Claim:
An initiator system for self-curing plastic materials, comprising a) at least one salt of a dialkylbarbituric acid or a salt of alkylcycloalkylbarbituric acid or a salt of alkylarylbarbituric acid or a salt of a cycloalkylarylbarbituric acid, wherein said acid salt is insoluble in methacrylate monomers; b) at least one heavy metal salt that is insoluble in methacrylate monomers; c) at least one halogenide ion donor that is soluble in methacrylate monomers; and d) at least one acid that is soluble in methacrylate monomers, wherein components a) and b) are dispersed in a first paste, powder or liquid, and in that components c) and d) are dispersed separately in a second paste, powder or liquid.