Abstract: An active-energy-ray-curable composition, cured material of which satisfies W1?75.0 g and 165.0 g?W2?300.0 g when the material is analyzed by variable-normal-load-friction-and-wear-measurement system, W1 being expressed by W1=4*TW1 and W2 being expressed by W2=4*TW2, TW1 and TW2 being obtained by method in which: the material is formed by coating the composition on substrate to have thickness of 10 ?m, and curing the composition, and in the system, load is applied to the material with indenter while the load is changed from 0 g through 200 g for 50 seconds to obtain graph having time in horizontal axis and friction resistance force in vertical axis, and in the graph, a time at which scratch first occurs in the material is defined as T1 and time closest to T1 among times at which change in the friction resistance force is discontinuous is defined as TW1; and TW2 is defined as time at which the substrate is exposed.

Abstract: An active energy ray curable composition including a polymerizable compound is provided. When a three-layer cured product of the active energy ray composition is obtained by a specific procedure, the three-layer cured product has (1) a stretchability of 1.1 or more and (2) a glass transition temperature of 50° C. or more. The stretchability is defined by a ratio L2/L1, wherein L1 represents a first length of the cured product before a tensile test and L2 represents a second length of the cured product after the tensile test. The tensile test includes stretching the cured product along with the substrate with a tensile tester at a stretching speed of 20 mm/min and a temperature of 180° C.

Abstract: In accordance with sonic embodiments of the present invention, an active energy ray curable composition including a polymerizable compound composition is provided. When the active energy ray curable composition is formed into a film having an average thickness of 10 ?m on a substrate and, after a lapse of 15 seconds, the film is irradiated with an active energy ray having a light quantity of 1,500 mJ/cm2 to become a cured product, the cured product satisfies the following conditions (1) and (2): (1) when the substrate is a polypropylene substrate, the cured product has a glass transition temperature of 60° C. or more; and (2) when the substrate is a polycarbonate substrate, an adhesion between the polycarbonate substrate and the cured product is 70 or more, the adhesion being measured according to a cross-cut adhesion test defined in Japanese industrial Standards K5400.

Abstract: Provided is an active energy ray-curable inkjet ink containing at least photopolymerizable compounds. The photopolymerizable compounds include: at least one monofunctional monomer selected from the group consisting of a monofunctional monomer of which homopolymer has a glass transition temperature of 90° C. or higher, a monofunctional monomer having a ring structure, and a monofunctional monomer of which homopolymer has a glass transition temperature of 90° C. or higher and that has a ring structure; and urethane (meth)acrylate.

Abstract: An active energy ray-curable ink which contains: polymerizable compounds containing a monofunctional polymerizable monomer a homopolymer of which has Tg of 90° C. or higher, wherein a cured product obtained by forming a coating film having an average thickness of 10 ?m on a polycarbonate substrate using the ink, and 15 seconds later, and applying active energy rays having a light quantity of 1,500 mJ/cm2 to the coating film to cure satisfies the following (1) and (2): (1) a stretchability of the cured product represented by the following equation is 2 or greater, when the cured product is stretched by a tensile tester at a tensile speed of 20 mm/min, and temperature of 180° C., and Stretchability=(length after tensile test)/(length before tensile test) (2) adhesion between the substrate and the cured product as measured by a cross-cut test in accordance with JIS K5400 is 70 or greater.

Abstract: An active energy ray curable composition includes a non-polymerizable resin; and polymerizable compounds comprising a mono-functional monomer having a single polymerizable unsaturated ethylene double bond, wherein the following relations are satisfied: ?Tg=|Tgp?Tgm}?19 degrees C., where Tgp represents a glass transition temperature of the non-polymerizable resin and Tgm represents a glass transition temperature of a homopolymer of the mono-functional monomer, TgH?10 degrees C., where TgH represents the higher of Tgp and Tgm, and TgL?40 degrees C., where TgL represents the lower of Tgp and Tgm.

Abstract: Provided is an active energy ray-curable inkjet ink containing at least photopolymerizable compounds. The photopolymerizable compounds include: at least one monofunctional monomer selected from the group consisting of a monofunctional monomer of which homopolymer has a glass transition temperature of 90° C. or higher, a monofunctional monomer having a ring structure, and a monofunctional monomer of which homopolymer has a glass transition temperature of 90° C. or higher and that has a ring structure; and urethane (meth)acrylate.

Abstract: To provide a photopolymerizable inkjet ink including: diethylene glycol dimethacrylate; caprolactone-modified dipentaerythritol hexaacrylate; and a photopolymerization initiator represented by the following general formula (1): where X1 is represented by the following general formula (1-1), and X2 is represented by the following general formula (1-2): where R1 to R4 are each independently a C1-C6 alkyl group, and R1 and R2 may be linked to form a ring, and R3 and R4 may be linked to form a ring; Z1 and Z2 is —NR5R6 or OR7; R5 and R6 are each independently a C1-C6 alkyl group, and R5 and R6 may be linked to form a ring; and R7 is a hydrogen atom, a methyl group, or a trimethylsilyl group.

Abstract: Provided is an active energy ray-curable inkjet ink containing at least photopolymerizable compounds. The photopolymerizable compounds include: at least one monofunctional monomer selected from the group consisting of a monofunctional monomer of which homopolymer has a glass transition temperature of 90° C. or higher, a monofunctional monomer having a ring structure, and a monofunctional monomer of which homopolymer has a glass transition temperature of 90° C. or higher and that has a ring structure; and urethane (meth)acrylate.

Abstract: An active energy ray-curable ink which contains: polymerizable compounds containing a monofunctional polymerizable monomer a homopolymer of which has Tg of 90° C. or higher, wherein a cured product obtained by forming a coating film having an average thickness of 10 ?m on a polycarbonate substrate using the ink, and 15 seconds later, and applying active energy rays having a light quantity of 1,500 mJ/cm2 to the coating film to cure satisfies the following (1) and (2): (1) a stretchability of the cured product represented by the following equation is 2 or greater, when the cured product is stretched by a tensile tester at a tensile speed of 20 mm/min, and temperature of 180° C., and Stretchability=(length after tensile test)/(length before tensile test) (2) adhesion between the substrate and the cured product as measured by a cross-cut test in accordance with JIS K5400 is 70 or greater.

Abstract: An active energy ray-curable ink which contains: polymerizable compounds containing a monofunctional polymerizable monomer a homopolymer of which has Tg of 90° C. or higher, wherein a cured product obtained by forming a coating film having an average thickness of 10 ?m on a polycarbonate substrate using the ink, and 15 seconds later, and applying active energy rays having a light quantity of 1,500 mJ/cm2 to the coating film to cure satisfies the following (1) and (2): (1) a stretchability of the cured product represented by the following equation is 2 or greater, when the cured product is stretched by a tensile tester at a tensile speed of 20 mm/min, and temperature of 180° C., and Stretchability=(length after tensile test)/(length before tensile test) (2) adhesion between the substrate and the cured product as measured by a cross-cut test in accordance with JIS K5400 is 70 or greater.

Abstract: Provided is an active energy ray-curable inkjet ink containing at least photopolymerizable compounds. The photopolymerizable compounds include: at least one monofunctional monomer selected from the group consisting of a monofunctional monomer of which homopolymer has a glass transition temperature of 90° C. or higher, a monofunctional monomer having a ring structure, and a monofunctional monomer of which homopolymer has a glass transition temperature of 90° C. or higher and that has a ring structure; and urethane (meth)acrylate.

Abstract: An active energy ray-curable ink which contains: polymerizable compounds containing a monofunctional polymerizable monomer a homopolymer of which has Tg of 90° C. or higher, wherein a cured product obtained by forming a coating film having an average thickness of 10 ?m on a polycarbonate substrate using the ink, and 15 seconds later, and applying active energy rays having a light quantity of 1,500 mJ/cm2 to the coating film to cure satisfies the following (1) and (2): (1) a stretchability of the cured product represented by the following equation is 2 or greater, when the cured product is stretched by a tensile tester at a tensile speed of 20 mm/min, and temperature of 180° C., and Stretchability=(length after tensile test)/(length before tensile test) (2) adhesion between the substrate and the cured product as measured by a cross-cut test in accordance with JIS K5400 is 70 or greater.

Abstract: To provide a photopolymerizable inkjet ink including: diethylene glycol dimethacrylate; caprolactone-modified dipentaerythritol hexaacrylate; and a photopolymerization initiator represented by the following general formula (1): where X1 is represented by the following general formula (1-1), and X2 is represented by the following general formula (1-2): where R1 to R4 are each independently a C1-C6 alkyl group, and R1 and R2 may be linked to form a ring, and R3 and R4 may be linked to form a ring; Z1 and Z2 is —NR5R6 or OR7; R5 and R6 are each independently a C1-C6 alkyl group, and R5 and R6 may be linked to form a ring; and R7 is a hydrogen atom, a methyl group, or a trimethylsilyl group.