Patent ID: 8022113
Filing Date: 2011-09-20
Classification: A61K,C08G,C08L

Abstract:
1. A dental composition comprising: a) a prepolymer as component (A), wherein the prepolymer comprises aziridino groups and is characterized by an equivalent weight EW1, a crosslinker as component (B), wherein the crosslinker has a molecular structure being different from the molecular structure of the prepolymer and comprises aziridino groups and is characterized by an equivalent weight EW2, and wherein the crosslinker has one of the following structures: b) an initiator as component (C) being able to start curing of the composition, c) optionally filler(s) as component (D) and d) optionally additive(s) as component (E), wherein equivalent weight is defined as (molecular mass of the molecule)/(number of aziridino groups present in the molecule) and wherein EW1 >EW2 and wherein the prepolymer has a molecular weight (Mn) within the range of about 3,000 to about 12,000 and the crosslinker has a molecular weight (Mn) within the range of about 500 to about 5,000.