Composition comprising (i) at least one compound selected from the group consisting of triallyl isocyanurate, triallyl cyanurate; and (ii) at least one compound defined in general terms by the structural formula: where A 1, A 2 are each independently selected from the group consisting of unbranched or branched alkenyl group which has 3 to 18 carbon atoms and at least one terminal double bond, a group of the chemical structure with where R 1 = hydrogen or methyl; A 3 is an unbranched or branched alkylene group having 1 to 12 carbon atoms; B is selected from the group consisting of -NR 2 -, the chemical structure -(CH 2) p -NR 3 -(CH 2) q - and the chemical structure with where R 2, R 3 are each independently selected from the group consisting of hydrogen, alkyl group having 1 to 20 carbon atoms, unbranched or branched alkenyl group which has 3 to 18 carbon atoms and at least one terminal double bond, a group of the chemical structure with where R 4 = hydrogen or methyl; A 4 is an unbranched or branched alkylene group having 1 to 12 carbon atoms; and where n, p, q are each independently an integer in the range of 1 to 5; and where at least one compound encompassed by the composition is present in a proportion of at least 1% by weight based on the total weight of all the compounds encompassed by the composition. (i) at least one compound selected from the group consisting of triallyl isocyanurate, triallyl cyanurate; and (ii) at least one compound defined in general terms by the structural formula: where A 1, A 2 are each independently selected from the group consisting of unbranched or branched alkenyl group which has 3 to 18 carbon atoms and at least one terminal double bond, a group of the chemical structure with where R 1 = hydrogen or methyl; A 3 is an unbranched or branched alkylene group having 1 to 12 carbon atoms; B is selected from the group consisting of -NR 2 -, the chemical structure -(CH 2) p -NR 3 -(CH 2) q - and the chemical structure with where R 2, R 3 are each independently selected from the group consisting of hydrogen, alkyl group having 1 to 20 carbon atoms, unbranched or branched alkenyl group which has 3 to 18 carbon atoms and at least one terminal double bond, a group of the chemical structure with where R 4 = hydrogen or methyl; A 4 is an unbranched or branched alkylene group having 1 to 12 carbon atoms; A 1, A 2 are each independently selected from the group consisting of unbranched or branched alkenyl group which has 3 to 18 carbon atoms and at least one terminal double bond, a group of the chemical structure with where R 1 = hydrogen or methyl; A 3 is an unbranched or branched alkylene group having 1 to 12 carbon atoms; R 1 = hydrogen or methyl; A 3 is an unbranched or branched alkylene group having 1 to 12 carbon atoms; B is selected from the group consisting of -NR 2 -, the chemical structure -(CH 2) p -NR 3 -(CH 2) q - and the chemical structure with where R 2, R 3 are each independently selected from the group consisting of hydrogen, alkyl group having 1 to 20 carbon atoms, unbranched or branched alkenyl group which has 3 to 18 carbon atoms and at least one terminal double bond, a group of the chemical structure with where R 4 = hydrogen or methyl; A 4 is an unbranched or branched alkylene group having 1 to 12 carbon atoms; where R 2, R 3 are each independently selected from the group consisting of hydrogen, alkyl group having 1 to 20 carbon atoms, unbranched or branched alkenyl group which has 3 to 18 carbon atoms and at least one terminal double bond, a group of the chemical structure with where R 4 = hydrogen or methyl; A 4 is an unbranched or branched alkylene group having 1 to 12 carbon atoms; R 4 = hydrogen or methyl; A 4 is an unbranched or branched alkylene group having 1 to 12 carbon atoms;