A solventless composition for manufacturing a film, comprising: a (meth)acrylic polymer component including a (meth)acrylic acid ester-based monomer as a polymerization unit, and having a photoreactive group on a side chain or terminal end thereof; a monomer component having a high glass transition temperature; a multifunctional acrylate or an acrylate-based oligomer; and a photoinitiator, and wherein the (meth)acrylic polymer component has a low glass transition temperature, and as a solventless composition for manufacturing a film in a partially polymerized state, the solventless composition for manufacturing a film provides a cured product having a glass transition temperature of -20 °C or more after curing, wherein the (meth)acrylic polymer component comprises: a bulk polymerization product of a monomer mixture comprising a (meth)acrylic acid ester-based monomer and a copolymerizable monomer having a first reactive group; and a compound providing a photoreactive group in state bound with the first reactive group of the bulk polymerization product, and wherein the compound providing a photoreactive group is comprised at 1 to 200 equivalent weight, relative to 100 equivalent weight of the reactive group in the polymerization product, wherein the monomer component having a high glass transition temperature is a monomer having a glass transition temperature of 20°C to 100°C, and wherein the (meth)acrylic polymer component is a monomer having a glass transition temperature of -50°C to 0°C, wherein the glass transition temperature is measured using a DSC thermogravimetric system. a (meth)acrylic polymer component including a (meth)acrylic acid ester-based monomer as a polymerization unit, and having a photoreactive group on a side chain or terminal end thereof; a monomer component having a high glass transition temperature; a multifunctional acrylate or an acrylate-based oligomer; and a photoinitiator, and wherein the (meth)acrylic polymer component has a low glass transition temperature, and as a solventless composition for manufacturing a film in a partially polymerized state, the solventless composition for manufacturing a film provides a cured product having a glass transition temperature of -20 °C or more after curing, wherein the (meth)acrylic polymer component comprises: a bulk polymerization product of a monomer mixture comprising a (meth)acrylic acid ester-based monomer and a copolymerizable monomer having a first reactive group; and a compound providing a photoreactive group in state bound with the first reactive group of the bulk polymerization product, and wherein the compound providing a photoreactive group is comprised at 1 to 200 equivalent weight, relative to 100 equivalent weight of the reactive group in the polymerization product, wherein the monomer component having a high glass transition temperature is a monomer having a glass transition temperature of 20°C to 100°C, and wherein the (meth)acrylic polymer component is a monomer having a glass transition temperature of -50°C to 0°C, wherein the glass transition temperature is measured using a DSC thermogravimetric system. a bulk polymerization product of a monomer mixture comprising a (meth)acrylic acid ester-based monomer and a copolymerizable monomer having a first reactive group; and a compound providing a photoreactive group in state bound with the first reactive group of the bulk polymerization product, and wherein the compound providing a photoreactive group is comprised at 1 to 200 equivalent weight, relative to 100 equivalent weight of the reactive group in the polymerization product, wherein the monomer component having a high glass transition temperature is a monomer having a glass transition temperature of 20°C to 100°C, and wherein the (meth)acrylic polymer component is a monomer having a glass transition temperature of -50°C to 0°C, wherein the glass transition temperature is measured using a DSC thermogravimetric system.