Abstract: An active energy ray-curable inkjet ink composition contains a pigment which contains Pigment Orange 71 and Pigment Violet 19 which is 30.0 to 85.0% by mass relative to a total mass of Pigment Violet 19 and Pigment Orange 71, and a photopolymerizable compound which contains, in a total amount of all polymerizable components,(A) 0.20 to 15.0% by mass of a multifunctional amine-modified oligomer; (B) 50.0% by mass or more of a monofunctional monomer; (C) 35.0% by mass or more of a monofunctional monomer whose glass transition temperature is 20° C. or more; (D) 35.0% by mass or more of a monofunctional monomer whose glass transition temperature is 10° C. or less; (E) 2.0 to 11.0% by mass of a multifunctional monomer whose glass transition temperature is 10° C. or less; and (F) 10.0 to 25.0% by mass of a nitrogen-containing monofunctional monomer.

Abstract: An object is to provide an active energy ray-curable inkjet printing ink composition characterized in that the ink composition has low viscosity and no odor, offers excellent storage stability, discharge stability, and curability, and generates no curing wrinkles when cured, while the cured coating film exhibits excellent bending tolerance property, rub resistance, and water resistance. A solution is an active energy ray-curable inkjet ink composition satisfying requirements A to D below: A: an amine-modified oligomer is contained by 1.0 to 20.0% by mass in all active energy ray-polymerizable components; B: alkoxy group-containing (meth)acrylates are contained by 2.0 to 20.0% by mass in all active energy ray-polymerizable components; C: a (meth)acrylate containing an alkyl group with 10 to 20 carbon atoms is contained by 2.0 to 25.

Abstract: An active energy ray-curable inkjet ink composition, except a certain photocurable inkjet printing ink composition, satisfies: (A) a polyfunctional amine-modified oligomer is contained by to 14.0% by mass; (B) monofunctional monomers are contained by 50.0% by mass or more; (C) a monofunctional monomer with a glass transition temperature of 20° C. or higher is contained by 30.0% by mass or more; (D) a monofunctional monomer with a glass transition temperature of or lower is contained by 20.0% by mass or more; (E) a polyfunctional monomer with a glass transition temperature of 10° C. or lower is contained by 3.0 to 12.0% by mass; and (F) a nitrogen-containing monofunctional monomer is contained by 30.0 to 50.0% by mass.

Abstract: A light emitting device and a ranging system capable of moving an irradiation position of light The light emitting device includes a plurality of light emitting elements that generate light, and a moving unit to move an irradiation position of the light by driving a predetermined portion related to the light in a first direction. The light emitting elements are arranged at intersections of a plurality of first straight lines extending in a second direction orthogonal to the first direction and a plurality of second straight lines extending in a third direction parallel to neither the first direction nor the second direction. Light emitting elements on straight line A and the light emitting elements on adjacent straight line B are arranged so as not to be adjacent to each other in the first direction. The irradiation position of the light can be moved by, for example, uniaxial drive.

Abstract: An object is to provide an active energy ray-curable inkjet printing ink composition that can demonstrate the effects of low viscosity, with its coating film generating no odor once cured while exhibiting excellent curability and no tackiness, and cured coating film demonstrating excellent bending tolerance property, abrasion resistance, and water resistance. As a solution, an active energy ray-curable inkjet printing ink composition satisfying requirements A to E below is provided: (A) the content of amine-modified oligomer is 1.0 to 20.0% by mass in the active energy ray-curable inkjet printing ink composition; (B) alkoxy group-containing (meth)acrylate monomers are contained by 2.0 to 20.0% by mass in the active energy ray-curable inkjet printing ink composition; (C) (meth)acrylate monomers having an alkyl group with 6 to 20 carbon atoms is contained by 2.0 to 25.

Abstract: An active energy ray-curable inkjet printing ink composition satisfies (A) to (E) below, where the total content of (D) and (E) accounts for 30.0 to 60.0% by mass: (A) an acrylated amine compound having two photopolymerizable functional groups and two amino groups in a molecule is contained by 1.0 to 20.0% by mass; (B) alkoxy group-containing (meth)acrylate monomers are contained by 2.0 to 20.0% by mass; (C) a (meth)acrylate monomer containing an alkyl group with 10 to 20 carbon atoms is contained by 2.0 to 25.0% by mass; (D) at least one type selected from the group that consists of 1,6-hexanediol diacrylate, 3-methyl-1,5-pentanediol diacrylate, dipropylene glycol diacrylate, propoxylated(2)neopentyl glycol diacrylate, and hydroxypivalic acid neopentyl glycol diacrylate is contained by 5.0 to 25.0% by mass; and (E) a plant oil-derived 1,10-decanediol diacrylate is contained by 10.0 to 40.0% by mass.

Abstract: Provided is a photo-curable inkjet printing ink composition, comprising (A) an acrylicated amine compound having two photopolymerizable functional groups and two amino groups in a molecule, (B) a (meth)acrylic monomer having an alkoxy group, and (C) at least one selected from the group consisting of hexanediol acrylate, 3-methyl-1,5-pentanediol diacrylate, dipropylene glycol diacrylate, and neopentyl glycol diacrylate hydroxypivalate, wherein a content of the component (A) is 3 to 18% by mass in the ink composition, wherein a content of the component (B) is 5 to 35% by mass in the ink composition, and wherein a content of the component (C) is 30 to 60% by mass in the ink composition.

Abstract: A photocurable inkjet printing ink composition contains (A) to (C) below: (A) a chlorinated polyolefin; (B) monofunctional monomer 1 with a glass transition temperature (Tg) of 0° C. or below; and (C) monofunctional monomer 2 with a glass transition temperature (Tg) of 60° C. or above; wherein the content of (A) in the ink composition is 0.2 percent by mass or higher; the total content of (B) and (C) in the ink composition is 40 percent by mass or higher; and the mass-based ratio of the content of (C) and that of (B), or (C)/(B), is 0.80 to 3.00. The composition makes inkjet printing possible on the surfaces of molded products of polyolefins.

Abstract: An object of the present invention is to provide a liquid developer for electrophotography or electrostatic recording, demonstrating good particle uniformity, preservation stability, fixing property, and electrophoretic migration property. To achieve the aforementioned object, the present invention provides a liquid developer that contains colored resin particles granulated by utilizing the coacervation method, from at least an acid carbon black as pigment, binder resin containing acid group-containing resin, basic group-containing pigment dispersion agent, pigment dispersion aid which is an acid pigment derivative and accounts for 0.1 to 10.0 parts by mass per 100 parts by mass of the pigment, and granulating aid, wherein the colored resin particles are dispersed in an insulating solvent by means of a particle dispersion agent.

Abstract: An &agr;-glucosidase inhibitor is described. It is comprised of an extract of Touchi selected from the group consisting of an extract of Touchi extracted with alcohol, an extract of Touchi extracted with a mixture of water and alcohol in a water to alcohol ratio of 1:5 to 5:1, and an extract of Touchi extracted with water at 100° C. to 140° C. The components in the extract which have a molecular weight of at least 3000 as determined by means of gel filtration or membrane filtration are at most 20% by weight and wherein the extract inhibits &agr;-glucosidase at least 90.4%.