Carbon black for use in anti-vibration compounds and components, anti-vibration bushings and engine mounts, together with such anti-vibration compounds and components and methods for the manufacture and use thereof.

A light-emitting colorant-containing particle contains an organic resin and a light-emitting colorant. A content of the light-emitting colorant is in a range of 10 to 80 mol % based on a total amount of a monomer forming the organic resin and the light-emitting colorant. The particle has an average particle diameter in a range of 1 to 100 nm.

A light-emitting colorant-containing particle contains an organic resin and a light-emitting colorant. A content of the light-emitting colorant is in a range of 10 to 80 mol % based on a total amount of a monomer forming the organic resin and the light-emitting colorant. The particle has an average particle diameter in a range of 1 to 100 nm.

The present disclosure provides a photopolymerizable composition. The photopolymerizable composition includes a) 40-60 parts by weight of a monofunctional (meth)acrylate monomer, per 100 parts of the total photopolymerizable composition; b) a photoinitiator; and c) a polymerization reaction product of components. A cured homopolymer of the monofunctional (meth)acrylate monomer has a glass transition temperature of 125 degrees Celsius or greater. The polymerization reaction product of components includes i) a diisocyanate; ii) a hydroxy functional methacrylate; iii) a polycarbonate diol; and iv) a catalyst. The polymerization reaction product includes a polyurethane methacrylate polymer. Often, the polycarbonate diol has a number average molecular weight of greater than 1,000 grams per mole (g/mol) or a weighted average of all polycarbonate diols present in the components has a Mn of greater than 1,000 g/mol; alternatively, the polyurethane methacrylate polymer has a weight average molecular weight of 8,000 g/mol or greater. An article is also provided including the photopolymerizable composition reaction product. Further, the present disclosure provides articles and methods of making articles. Methods are additionally 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. The photopolymerizable composition includes a) 40-60 parts by weight of a monofunctional (meth)acrylate monomer, per 100 parts of the total photopolymerizable composition; b) a photoinitiator; and c) a polymerization reaction product of components. A cured homopolymer of the monofunctional (meth)acrylate monomer has a glass transition temperature of 125 degrees Celsius or greater. The polymerization reaction product of components includes i) a diisocyanate; ii) a hydroxy functional methacrylate; iii) a polycarbonate diol; and iv) a catalyst. The polymerization reaction product includes a polyurethane methacrylate polymer. Often, the polycarbonate diol has a number average molecular weight of greater than 1,000 grams per mole (g/mol) or a weighted average of all polycarbonate diols present in the components has a Mn of greater than 1,000 g/mol; alternatively, the polyurethane methacrylate polymer has a weight average molecular weight of 8,000 g/mol or greater. An article is also provided including the photopolymerizable composition reaction product. Further, the present disclosure provides articles and methods of making articles. Methods are additionally 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.

Provided is a rubber composition for a tire having excellent performance on snow, wet grip performance, and forming processability, while containing a large amount of silica. The rubber composition contains: in 100 parts by mass of a diene rubber containing from 25 to 50 mass % of a butadiene rubber, 50 parts by mass or more of a plasticizer component; from 120 to 180 parts by mass of silica; M.sub.1 parts by mass of 3-octanoylthio-1-propyltriethoxysilane; and M.sub.2 parts by mass of alkylsilane. (M.sub.1+M.sub.2), a total of the 3-octanoylthio-1-propyltriethoxysilane and the alkylsilane, is from 5 to 10 mass % with respect to the mass of the silica, and [M.sub.2/(M.sub.1+M.sub.2)], a ratio of the alkylsilane with respect to the total of the 3-octanoylthio-1-propyltriethoxysilane and the alkylsilane, is from 0.10 to 0.40.

Provided is a rubber composition for a tire having excellent performance on snow, wet grip performance, and forming processability, while containing a large amount of silica. The rubber composition contains: in 100 parts by mass of a diene rubber containing from 25 to 50 mass % of a butadiene rubber, 50 parts by mass or more of a plasticizer component; from 120 to 180 parts by mass of silica; M.sub.1 parts by mass of 3-octanoylthio-1-propyltriethoxysilane; and M.sub.2 parts by mass of alkylsilane. (M.sub.1+M.sub.2), a total of the 3-octanoylthio-1-propyltriethoxysilane and the alkylsilane, is from 5 to 10 mass % with respect to the mass of the silica, and [M.sub.2/(M.sub.1+M.sub.2)], a ratio of the alkylsilane with respect to the total of the 3-octanoylthio-1-propyltriethoxysilane and the alkylsilane, is from 0.10 to 0.40.

A water-based ink for ink-jet recording includes: a solid solution of a quinacridone pigment including C.I. Pigment Red 202 and C.I. Pigment Violet 19; an azo pigment including C.I. Pigment Red 146; and water. A mass ratio (Q:A) of a content amount (Q) of the solid solution of the quinacridone pigment to a content amount (A) of the azo pigment in an entire amount of the water-based ink is in a range of 9:1 to 2:8.

The present invention relates to novel class of photoinitiators and their use in photopolymerization compositions. The invention also concerns a process for the photopolymerization of compositions comprising said photoinitiators.

The present invention relates to novel class of photoinitiators and their use in photopolymerization compositions. The invention also concerns a process for the photopolymerization of compositions comprising said photoinitiators.