Patent ID: 6852775

Claim:
A polymerizable dental composition comprising: (a) 10 to 98.999 wt. % of at least one bi- or higher-functional ethylenically unsaturated monomer, (b) 0 to 88.999 wt. % of at least one monofunctional ethylenically unsaturated monomer, (c) 0.05 to 5 wt. % of an accelerator, (d) 0.001 to 5 wt. % of a redox initiator system which can initiate radical polymerisation, and (e) 0 to 88.999 wt. % of at least one of one or more fillers, thixotropic auxiliaries, retarders and other auxiliaries, (f) 1 to 30 wt. % of a plasticizer, wherein the redox initiator system comprises (i) barbituric acid or a substituted barbituric acid and/or a malonyl sulfamide and (ii) an organic peroxide that is a mono- or multifunctional carboxylic acid peroxyester, wherein the constituents (a), (b) and (c) constitute a base paste, the constituent (d) constitutes a catalyst paste spatially separated from the base paste, the constituent (e) is optionally present in either or both of the base paste and the catalyst paste and the constituent (f) is present in one or the other or both of the catalyst paste and the base paste.