C08F290/12

Photosensitive composition, transfer film, cured film, and manufacturing method of touch panel

Provided is a photosensitive composition including: a polymer (P) which includes a structural unit derived from a vinylbenzene derivative, a structural unit including a radical polymerizable group, and a structural unit including at least one kind of functional group selected from the group consisting of a primary hydroxyl group and an amino group, and in which the content of the structural unit derived from the vinylbenzene derivative is equal to or greater than 30% by mol; and a radical polymerization initiator.

Post-Polymerization Functionalization of Pendant Functional Groups

Modification of functional groups along a polymer backbone to render the groups activatable upon exposure to actinic radiation is described. The polymers are typically controlled architecture polymers. Also described are adhesives containing the modified architectured polymers and related methods of use.

Composition, film, infrared transmitting filter, solid image pickup element, image display device, and infrared sensor

Provided is a composition with which a film having reduced color unevenness can be formed. In addition, provide are a film, an infrared transmitting filter, a solid image pickup element, an image display device, and an infrared sensor. The composition including a light shielding material; and a compound A having a weight-average molecular weight of 3000 or higher that has a radically polymerizable ethylenically unsaturated group, in which the compound A includes a repeating unit having a graft chain, and a ratio Amin/Bmax of a minimum value Amin of an absorbance of the composition in a wavelength range of 400 to 640 nm to a maximum value Bmax of an absorbance of the composition in a wavelength range of 940 to 1300 nm is 5 or higher.

Composition, film, infrared transmitting filter, solid image pickup element, image display device, and infrared sensor

Provided is a composition with which a film having reduced color unevenness can be formed. In addition, provide are a film, an infrared transmitting filter, a solid image pickup element, an image display device, and an infrared sensor. The composition including a light shielding material; and a compound A having a weight-average molecular weight of 3000 or higher that has a radically polymerizable ethylenically unsaturated group, in which the compound A includes a repeating unit having a graft chain, and a ratio Amin/Bmax of a minimum value Amin of an absorbance of the composition in a wavelength range of 400 to 640 nm to a maximum value Bmax of an absorbance of the composition in a wavelength range of 940 to 1300 nm is 5 or higher.

TRANSFER FILM, METHOD FOR PRODUCING LAMINATE, AND BLOCKED ISOCYANATE COMPOUND

An object of the present invention is to provide a transfer film capable of suppressing a corrosion of a wiring line and an electrode. In addition, an object of the present invention is to provide a method for producing a laminate using the transfer film. In addition, an object of the present invention is to provide a novel blocked isocyanate compound. The transfer film of the present invention has a temporary support and a photosensitive composition layer disposed on the temporary support, in which the photosensitive composition layer includes an alkali-soluble resin, a polymerizable compound, a polymerization initiator, and a blocked isocyanate compound having an NCO value of 4.5 mmol/g or more.

Polyvinyl alcohol composition, use of same, and method for producing vinyl resin
11649313 · 2023-05-16 · ·

A composition containing: modified polyvinyl alcohol; and unsaturated monocarboxylic acid or a salt thereof, wherein the modified polyvinyl alcohol has a viscosity-average degree of polymerization of from 400 to 3500, has a degree of saponification of from 68 mol % to 99.9 mol %, and contains from 0.01 mol % to 1.50 mol % of an acryloyl group or a methacryloyl group in a side chain, the unsaturated monocarboxylic acid or a salt thereof is at least one selected from the group consisting of acrylic acid, methacrylic acid, sodium acrylate, and sodium methacrylate, and in the composition, a mass ratio of the modified polyvinyl alcohol/the unsaturated monocarboxylic acid or a salt thereof is from 82/18 to 99.9/0.1. The composition is thus provided that is excellent in water solubility and storage stability and polymerization stability of a vinyl compound and contains the modified polyvinyl alcohol.

Polyvinyl alcohol composition, use of same, and method for producing vinyl resin
11649313 · 2023-05-16 · ·

A composition containing: modified polyvinyl alcohol; and unsaturated monocarboxylic acid or a salt thereof, wherein the modified polyvinyl alcohol has a viscosity-average degree of polymerization of from 400 to 3500, has a degree of saponification of from 68 mol % to 99.9 mol %, and contains from 0.01 mol % to 1.50 mol % of an acryloyl group or a methacryloyl group in a side chain, the unsaturated monocarboxylic acid or a salt thereof is at least one selected from the group consisting of acrylic acid, methacrylic acid, sodium acrylate, and sodium methacrylate, and in the composition, a mass ratio of the modified polyvinyl alcohol/the unsaturated monocarboxylic acid or a salt thereof is from 82/18 to 99.9/0.1. The composition is thus provided that is excellent in water solubility and storage stability and polymerization stability of a vinyl compound and contains the modified polyvinyl alcohol.

Polyvinyl alcohol composition, use of same, and method for producing vinyl resin
11649313 · 2023-05-16 · ·

A composition containing: modified polyvinyl alcohol; and unsaturated monocarboxylic acid or a salt thereof, wherein the modified polyvinyl alcohol has a viscosity-average degree of polymerization of from 400 to 3500, has a degree of saponification of from 68 mol % to 99.9 mol %, and contains from 0.01 mol % to 1.50 mol % of an acryloyl group or a methacryloyl group in a side chain, the unsaturated monocarboxylic acid or a salt thereof is at least one selected from the group consisting of acrylic acid, methacrylic acid, sodium acrylate, and sodium methacrylate, and in the composition, a mass ratio of the modified polyvinyl alcohol/the unsaturated monocarboxylic acid or a salt thereof is from 82/18 to 99.9/0.1. The composition is thus provided that is excellent in water solubility and storage stability and polymerization stability of a vinyl compound and contains the modified polyvinyl alcohol.

SILICONE COPOLYMER
20230203254 · 2023-06-29 · ·

A silicone copolymer represented by formula (1) or (2) and as defined herein:

##STR00001##

POLYMER MICROPARTICLES AND METHOD FOR PRODUCING SAME

The present disclosure relates to a method for producing polymer microparticles, this method including a step for polymerizing vinyl monomers in a hydrophilic solvent, which dissolves the vinyl monomers and a dispersion stabilizer but does not dissolve a polymer formed, in the presence of the dispersion stabilizer. The present disclosure is a method for producing these polymer microparticles, wherein the dispersion stabilizer contains a macromonomer having carboxyl groups and ethylenically unsaturated groups at an intermediate location in a molecular chain thereof, the macromonomer has, on average, 1.4 to 2.5 ethylenically unsaturated groups per molecule, and an average value of a carboxyl group content in the macromonomer is 0.5 meq/g to 2.5 meq/g.