Patent ID: 7662869

Claim:
A dental composition comprising: an Si—H functional component; an initiator; and a carbosilane component represented by formula (1): Aryl-[Si(A) a (D-B) b ] n (1) wherein, independently selected from each other, A is an aliphatic or cycloaliphatic moiety (C 1 to C 6 ) or aromatic moiety (C 6 to C 14 ); B is an unsaturated moiety attached onto a spacer D; D is a spacer having a (cyclo)aliphatic moiety wherein C and/or H atoms can be substituted by O, Br, Cl, and Si atoms and which can comprise a bicyclic structural element; Br is a bromine atom; C is a carbon atom: Cl is a chlorine atom; H is a hydrogen atom; O is an oxygen atom, Si is a silicon atom; Aryl is an aromatic moiety; a+b is 3; a is 0, 1 or 2; b is 1, 2 or 3; and n is 1, 2, 3, 4, 5 or 6.