Photocurable composition and shaped product formed from the same

A cured product of a photocurable composition, wherein

• the cured product has a glass transition temperature (Tg) of 20° C. or less,
• the photocurable composition contains a urethane (meth)acrylate oligomer and a vinyl monomer,
• the vinyl monomer includes a first monomer having a glass transition temperature (Tg) of −100° C. or more and 20° C. or less, and a second monomer having a glass transition temperature (Tg) of more than 20° C. and 150° C. or less,
• an amount of the urethane (meth)acrylate oligomer ranges from 20 mass % to 80 mass %,
• an amount of the first monomer ranges from 15 mass % to 75 mass %,
• an amount of the second monomer ranges from 5 mass % to 65 mass %, and
• a total amount of the urethane (meth)acrylate oligomer and the vinyl monomer is 100 mass %.

A shaped product obtained from a photocurable composition by stereolithography, wherein

• the photocurable composition contains a urethane (meth)acrylate oligomer and a vinyl monomer,
• the vinyl monomer includes a first monomer having a glass transition temperature (Tg) of −100° C. or more and 20° C. or less, and a second monomer having a glass transition temperature (Tg) of more than 20° C. and 150° C. or less,
• an amount of the urethane (meth)acrylate oligomer ranges from 20 mass % to 80 mass %,
• an amount of the first monomer ranges from 15 mass % to 75 mass %,
• an amount of the second monomer ranges from 5 mass % to 65 mass %, and
• a total amount of the urethane (meth)acrylate oligomer and the vinyl monomer is 100 mass %.

A method for producing an object in a three dimensional shape by stereolithography, comprising a step of irradiating light to a photocurable composition to cure the photocurable composition, and forming the cured photocurable composition into an object in a three dimensional shape, wherein

• the photocurable composition contains a urethane (meth)acrylate oligomer and a vinyl monomer,
• the vinyl monomer includes a first monomer having a glass transition temperature (Tg) of −100° C. or more and 20° C. or less, and a second monomer having a glass transition temperature (Tg) of more than 20° C. and 150° C. or less,
• an amount of the urethane (meth)acrylate oligomer ranges from 20 mass % to 80 mass %,
• an amount of the first monomer ranges from 15 mass % to 75 mass %,
• an amount of the second monomer ranges from 5 mass % to 65 mass %, and
• a total amount of the urethane (meth)acrylate oligomer and the vinyl monomer is 100 mass %.