Curable compositions having desirable attributes such as rapid curing rates and enhanced physical properties are prepared using admixtures of one or more (meth)acrylate-functionalized compounds and one or more reactive comonomers, such as 1,1-diester-1-alkenes (e.g., methylene malonates), 1,1-diketo-1-alkenes, 1-ester-1-keto-1-alkenes and/or icatonates.

Curable compositions having desirable attributes such as rapid curing rates and enhanced physical properties are prepared using admixtures of one or more (meth)acrylate-functionalized compounds and one or more reactive comonomers, such as 1,1-diester-1-alkenes (e.g., methylene malonates), 1,1-diketo-1-alkenes, 1-ester-1-keto-1-alkenes and/or icatonates.

A curable resin composition that has low viscosity and forms a cured product having excellent mechanical physical properties, a cured product, and a three-dimensional object The curable resin composition contains a urethane resin (A) containing a (meth)acryloyl group, and a monofunctional (meth)acrylate compound (B1) and/or a bifunctional (meth)acrylate compound (B2), in which the urethane resin (A) is formed using, as essential reaction raw materials, a polyester polyol (a1), a polyisocyanate (a2), and a compound (a3) containing a hydroxyl group and a (meth)acryloyl group, and the polyester polyol (a1) is formed using, as essential reaction raw materials, a glycol (a1-1) containing a hydrocarbon group in a side chain, and a polycarboxylic acid (a1-2).

A curable resin composition that has low viscosity and forms a cured product having excellent mechanical physical properties, a cured product, and a three-dimensional object The curable resin composition contains a urethane resin (A) containing a (meth)acryloyl group, and a monofunctional (meth)acrylate compound (B1) and/or a bifunctional (meth)acrylate compound (B2), in which the urethane resin (A) is formed using, as essential reaction raw materials, a polyester polyol (a1), a polyisocyanate (a2), and a compound (a3) containing a hydroxyl group and a (meth)acryloyl group, and the polyester polyol (a1) is formed using, as essential reaction raw materials, a glycol (a1-1) containing a hydrocarbon group in a side chain, and a polycarboxylic acid (a1-2).

A light-curing resin composition, a three-dimensional object containing the same, and a manufacturing method of the three-dimensional object are provided. The light-curing resin composition includes a photoinitiator, an acrylic oligomer, an acrylic monomer, and expandable particles with hollow spherical shell structures. The acrylic monomer is a monofunctional monomer, a difunctional monomer, or a combination thereof.

A light-curing resin composition, a three-dimensional object containing the same, and a manufacturing method of the three-dimensional object are provided. The light-curing resin composition includes a photoinitiator, an acrylic oligomer, an acrylic monomer, and expandable particles with hollow spherical shell structures. The acrylic monomer is a monofunctional monomer, a difunctional monomer, or a combination thereof.

The present disclosure provides a front panel for a display device comprising a substrate layer, an A layer, an impact absorbing layer, and a B layer, in this order, wherein a shear storage elastic modulus of the A layer and the B layer, at frequency of 950 Hz and temperature of 23° C., is 20 MPa or less, and in the impact absorbing layer, a tensile storage elastic modulus at frequency of 950 Hz and temperature of 23° C. is 200 MPa or more and 5000 MPa or less, and a glass transition temperature is 50° C. or more.

The invention relates to a coloured curable composition for use in an additive manufacturing process, the composition comprising a curable resin composition comprising radiation curable components, a photo initiator, a dye composition comprising a dye D1 and a dye D2, dye D1 having a light absorption maximum within a wave length range from 400 to 530 nm, dye D2 showing a light absorption maximum within a wave length range from 540 to 650 nm. The invention also relates to a 3-dim composite article obtained by processing the curable composition in an additive manufacturing process.

The present disclosure provides a photopolymerizable composition comprising 50-90 wt % of at least one urethane component, 5-50 wt % of at least one reactive diluent, 0.1-5 wt % of a photoinitiator, and optionally an inhibitor, wherein said composition has a viscosity at a temperature of 40 degrees Celsius of 10 Pa.Math.s or less, as determined using a magnetic bearing rheometer using a 40 mm cone and plate measuring system at a shear rate of 0.1 l/s. The present disclosure also provides an article including the reaction product of the photopolymerizable composition, in which the article exhibits an elongation at break of 25% or greater. Further, the present disclosure provides a method of making an article including (i) providing a photopolymerizable composition and (ii) selectively curing the photopolymerizable composition to form an article. The method optionally also includes (iii) curing unpolymerized urethane component and/or reactive diluent remaining after step (ii). Further, methods are provided, including receiving, by a manufacturing device having one or more processors, a digital object comprising data specifying an article; and generating, with the manufacturing device by an additive manufacturing process, the article based on the digital object. A system is also provided, including a display that displays a 3D model of an article; and one or more processors that, in response to the 3D model selected by a user, cause a 3D printer to create a physical object of an article.

The present disclosure provides a photopolymerizable composition comprising 50-90 wt % of at least one urethane component, 5-50 wt % of at least one reactive diluent, 0.1-5 wt % of a photoinitiator, and optionally an inhibitor, wherein said composition has a viscosity at a temperature of 40 degrees Celsius of 10 Pa.Math.s or less, as determined using a magnetic bearing rheometer using a 40 mm cone and plate measuring system at a shear rate of 0.1 l/s. The present disclosure also provides an article including the reaction product of the photopolymerizable composition, in which the article exhibits an elongation at break of 25% or greater. Further, the present disclosure provides a method of making an article including (i) providing a photopolymerizable composition and (ii) selectively curing the photopolymerizable composition to form an article. The method optionally also includes (iii) curing unpolymerized urethane component and/or reactive diluent remaining after step (ii). Further, methods are provided, including receiving, by a manufacturing device having one or more processors, a digital object comprising data specifying an article; and generating, with the manufacturing device by an additive manufacturing process, the article based on the digital object. A system is also provided, including a display that displays a 3D model of an article; and one or more processors that, in response to the 3D model selected by a user, cause a 3D printer to create a physical object of an article.