A composition comprising - a resin having ethylenic unsaturation, - 75% to 250% filler by weight of the resin, wherein the filler is selected from the group consisting of aluminum trihydroxide, calcium carbonate, talc and combinations thereof, and - a catalyst comprising a complex of a transition metal and a ligand wherein the ligand comprises a structure wherein, each R is independently selected from: hydrogen, F, Cl, Br, hydroxyl, C 1 -C 4 -alkylO--, --NH--CO--H, -NH-CO-C 1 -C 4 -alkyl, --NH 2, -NH-C 1 -C 4 -alkyl, and C 1 -C 4 -alkyl; R1 and R2 are independently selected from: C 1 -C 4 -alkyl, C 6 -C 10 -aryl, and, a group containing a heteroatom capable of coordinating to a transition metal wherein at least one of R1 and R2 is the group containing the heteroatom; R3 and R4 are independently selected from hydrogen, C 1 -C 8 -alkyl, C 1 -C 8 -alkyl-O-C 1 -C 8 -alkyl, C 1 -C 8 -alkyl-O--C 6 -C 10 -aryl, C 6 -C 10 -aryl, C 1 -C 8 -hydroxyalkyl, and-(CH 2) n C OR 5 and R5 is independently selected from hydrogen, C 1 -C 6 -alkyl and mixtures thereof and n is from 0 to 4; and X is selected from C=0, --[C 2] y -- wherein Y is from 0 to 3 and each R6 is independently selected from hydrogen, hydroxyl, C 1 -C 4 -alkoxy and C 1 -C 4 -alkyl. - a resin having ethylenic unsaturation, - 75% to 250% filler by weight of the resin, wherein the filler is selected from the group consisting of aluminum trihydroxide, calcium carbonate, talc and combinations thereof, and - a catalyst comprising a complex of a transition metal and a ligand wherein the ligand comprises a structure wherein, each R is independently selected from: hydrogen, F, Cl, Br, hydroxyl, C 1 -C 4 -alkylO--, --NH--CO--H, -NH-CO-C 1 -C 4 -alkyl, --NH 2, -NH-C 1 -C 4 -alkyl, and C 1 -C 4 -alkyl; R1 and R2 are independently selected from: C 1 -C 4 -alkyl, C 6 -C 10 -aryl, and, a group containing a heteroatom capable of coordinating to a transition metal wherein at least one of R1 and R2 is the group containing the heteroatom; R3 and R4 are independently selected from hydrogen, C 1 -C 8 -alkyl, C 1 -C 8 -alkyl-O-C 1 -C 8 -alkyl, C 1 -C 8 -alkyl-O--C 6 -C 10 -aryl, C 6 -C 10 -aryl, C 1 -C 8 -hydroxyalkyl, and-(CH 2) n C OR 5 and R5 is independently selected from hydrogen, C 1 -C 6 -alkyl and mixtures thereof and n is from 0 to 4; and X is selected from C=0, --[C 2] y -- wherein Y is from 0 to 3 and each R6 is independently selected from hydrogen, hydroxyl, C 1 -C 4 -alkoxy and C 1 -C 4 -alkyl. wherein, each R is independently selected from: hydrogen, F, Cl, Br, hydroxyl, C 1 -C 4 -alkylO--, --NH--CO--H, -NH-CO-C 1 -C 4 -alkyl, --NH 2, -NH-C 1 -C 4 -alkyl, and C 1 -C 4 -alkyl; R1 and R2 are independently selected from: C 1 -C 4 -alkyl, C 6 -C 10 -aryl, and, a group containing a heteroatom capable of coordinating to a transition metal wherein at least one of R1 and R2 is the group containing the heteroatom; R3 and R4 are independently selected from hydrogen, C 1 -C 8 -alkyl, C 1 -C 8 -alkyl-O-C 1 -C 8 -alkyl, C 1 -C 8 -alkyl-O--C 6 -C 10 -aryl, C 6 -C 10 -aryl, C 1 -C 8 -hydroxyalkyl, and-(CH 2) n C OR 5 and R5 is independently selected from hydrogen, C 1 -C 6 -alkyl and mixtures thereof and n is from 0 to 4; and X is selected from C=0, --[C 2] y -- wherein Y is from 0 to 3 and each R6 is independently selected from hydrogen, hydroxyl, C 1 -C 4 -alkoxy and C 1 -C 4 -alkyl.