Abstract: [Problem] To provide an active energy ray-curable composition which provides a cured product having excellent transparency as well as superior shock absorption and vibration absorption, and a cured product, a shock-absorbing material, a vibration-absorbing material and a sheet material in which said active energy ray-curable composition is used. [Solution] An active energy ray-curable composition containing (A) diallyl 1,4-cyclohexane dicarboxylate, (B) a compound having two or more mercapto groups, and (C) a polymerization initiator.

Abstract: [Problem] To provide an active energy ray-curable composition which provides a cured product having excellent transparency as well as superior shock absorption and vibration absorption, and a cured product, a shock-absorbing material, a vibration-absorbing material and a sheet material in which said active energy ray-curable composition is used. [Solution] An active energy ray-curable composition containing (A) diallyl 1,4-cyclohexane dicarboxylate, (B) a compound having two or more mercapto groups, and (C) a polymerization initiator.

Abstract: An ene-thiol based curable composition according to the present invention includes: (A) a thiol compound having two or more groups represented by a following general formula (1) in the molecule; and (B) an ene oligomer having an alicyclic or aromatic ring structure and two or more ethylenically unsaturated groups in the molecule, with a number average molecular weight of 500 to 20,000 in terms of polystyrene. In the following general formula (1), each of R1 and R2 independently represents a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, or an aromatic group having 6 to 10 carbon atoms; a is an integer of 0 to 2; and b is 0 or 1.

Abstract: An ene-thiol based curable composition according to the present invention includes: (A) a thiol compound having two or more groups represented by a following general formula (1) in the molecule; and (B) an ene oligomer having an alicyclic or aromatic ring structure and two or more ethylenically unsaturated groups in the molecule, with a number average molecular weight of 500 to 20,000 in terms of polystyrene. In the following general formula (1), each of R1 and R2 independently represents a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, or an aromatic group having 6 to 10 carbon atoms; a is an integer of 0 to 2; and b is 0 or 1.