Polymerisable composition based on allylcarbonate monomers comprising as percentages by weight referred to the total weight of components A and B: - from 40% to 90% of a first reactive component (component A) of general formula (I) where n is an integer from 1 to 6, said component A comprising at least 50% by weight of a compound of general formula (I) wherein n is equal to 1; - from 10% to 60% of a second reactive component (component B) consisting of at least one compound of general formula (II) or of general formula (III) where in the above formulas (II) and (III): - p is equal to 0 or 1, - R, equal or different from each other, are selected from: a group having formula (IV) or a group having formula (V) wherein m is an integer from 1 to 3; - R', equal or different from each other, are selected from: hydrogen, methyl, ethyl or a group - from 0.4 to 10.0 phm (parts by weight per 100 parts of the total weight of components A and B) of at least one peroxide radical initiator, wherein said component A is obtained by reacting diallylcarbonate (DAC) and diethylene glycol (DEG) in a molar ratio DAC/DEG from 2.5/1 to 5/1, preferably from 2.75/1 to 4.0/1, more preferably from 2.5/1 to 3.5/1, and wherein said component B is obtained by reacting diallylcarbonate (DAC) and at least one aliphatic polyol having at least 4 alcoholic hydroxyl groups in a molar ratio DAC/polyol from 4/1 to 16/1, preferably from 8/1 to 14/1, more preferably from 10/1 to 14/1. - from 40% to 90% of a first reactive component (component A) of general formula (I) where n is an integer from 1 to 6, said component A comprising at least 50% by weight of a compound of general formula (I) wherein n is equal to 1; - from 10% to 60% of a second reactive component (component B) consisting of at least one compound of general formula (II) or of general formula (III) where in the above formulas (II) and (III): - p is equal to 0 or 1, - R, equal or different from each other, are selected from: a group having formula (IV) or a group having formula (V) wherein m is an integer from 1 to 3; - R', equal or different from each other, are selected from: hydrogen, methyl, ethyl or a group - from 0.4 to 10.0 phm (parts by weight per 100 parts of the total weight of components A and B) of at least one peroxide radical initiator, wherein said component A is obtained by reacting diallylcarbonate (DAC) and diethylene glycol (DEG) in a molar ratio DAC/DEG from 2.5/1 to 5/1, preferably from 2.75/1 to 4.0/1, more preferably from 2.5/1 to 3.5/1, and wherein said component B is obtained by reacting diallylcarbonate (DAC) and at least one aliphatic polyol having at least 4 alcoholic hydroxyl groups in a molar ratio DAC/polyol from 4/1 to 16/1, preferably from 8/1 to 14/1, more preferably from 10/1 to 14/1. - p is equal to 0 or 1, - R, equal or different from each other, are selected from: a group having formula (IV) or a group having formula (V) wherein m is an integer from 1 to 3; - R', equal or different from each other, are selected from: hydrogen, methyl, ethyl or a group - from 0.4 to 10.0 phm (parts by weight per 100 parts of the total weight of components A and B) of at least one peroxide radical initiator, <EOS>