According to one aspect of the present invention, a light-transmitting resin layer used in an image display device is provided, in which the layer is divided into three equal parts in the film thickness direction of the layer, which are referred to as first region, second region, and third region, respectively, in the order from a first surface of the layer to a second surface opposite to the first surface. Upon an indentation test in which a Berkovich indenter is pressed into the first region, the second region, and the third region at a certain load on the cross-section of the layer in the film thickness direction, and in which the displacement amount in the first region, in the second region, and in the third region are determined as d1, d2, and d3, respectively, the layer satisfies the relationship of d1<d2<d3.

A bio-electrode composition contains (A) a reaction composite of an ionic polymer material and a carbon particle. The component (A) contains the carbon particle bonding to the polymer containing a repeating unit having a structure selected from the group consisting of salts of ammonium, lithium, sodium, potassium, and silver formed with any of fluorosulfonic acid, fluorosulfonimide, and N-carbonyl-fluorosulfonamide. Thus, the present invention provides: a bio-electrode composition capable of forming a living body contact layer for a bio-electrode which is excellent in electric conductivity and biocompatibility, light-weight, and manufacturable at low cost, and which prevents significant reduction in the electric conductivity even when wetted with water or dried; a bio-electrode including a living body contact layer formed of the bio-electrode composition; and a method for manufacturing the bio-electrode.

A bio-electrode composition contains (A) a reaction composite of an ionic polymer material and a carbon particle. The component (A) contains the carbon particle bonding to the polymer containing a repeating unit having a structure selected from the group consisting of salts of ammonium, lithium, sodium, potassium, and silver formed with any of fluorosulfonic acid, fluorosulfonimide, and N-carbonyl-fluorosulfonamide. Thus, the present invention provides: a bio-electrode composition capable of forming a living body contact layer for a bio-electrode which is excellent in electric conductivity and biocompatibility, light-weight, and manufacturable at low cost, and which prevents significant reduction in the electric conductivity even when wetted with water or dried; a bio-electrode including a living body contact layer formed of the bio-electrode composition; and a method for manufacturing the bio-electrode.

A bio-electrode composition contains (A) an ionic polymer material, (B) an addition reaction-curable silicone having at least a hydrosilyl group, (C) a platinum-group catalyst, and a solvent. The bio-electrode composition has a water content of 0.2 mass % or less. The solvent includes one or more of an ether solvent, an ester solvent, and a ketone solvent each of which does not contain a hydroxy group, a carboxyl group, a nitrogen atom, or a thiol group. Thus, present invention provides: a bio-electrode composition capable of forming a living body contact layer for a bio-electrode which is excellent in electric conductivity and biocompatibility, light-weight, and manufacturable at low cost, and which does not leave residue on skin after attachment to and peeling from the skin; a bio-electrode including a living body contact layer formed of the bio-electrode composition; and a method for manufacturing the bio-electrode.

A bio-electrode composition contains (A) an ionic polymer material, (B) an addition reaction-curable silicone having at least a hydrosilyl group, (C) a platinum-group catalyst, and a solvent. The bio-electrode composition has a water content of 0.2 mass % or less. The solvent includes one or more of an ether solvent, an ester solvent, and a ketone solvent each of which does not contain a hydroxy group, a carboxyl group, a nitrogen atom, or a thiol group. Thus, present invention provides: a bio-electrode composition capable of forming a living body contact layer for a bio-electrode which is excellent in electric conductivity and biocompatibility, light-weight, and manufacturable at low cost, and which does not leave residue on skin after attachment to and peeling from the skin; a bio-electrode including a living body contact layer formed of the bio-electrode composition; and a method for manufacturing the bio-electrode.

The present invention provides: a vinyl chloride-based resin emulsion of a polymerization product composed of (A) a polycarbonate urethane oligomer having a number average molecular weight of 5,000 to 50,000 and (B) a monomer composition containing a vinyl chloride monomer, wherein the polycarbonate urethane oligomer (A) having a number average molecular weight of 5,000 to 50,000 is contained in an amount of 40 to 500 parts by mass relative to 100 parts by mass of the monomer composition (B) containing a vinyl chloride monomer; and a method for producing the vinyl chloride-based resin emulsion. The vinyl chloride-based resin emulsion according to the present invention can exhibit excellent water resistance, moisture resistance, high gloss, alcohol resistance, close adhesiveness and film formability at ambient temperature when used in a water-based ink, and can exhibit excellent color developability, water resistance, moisture resistance, color visibility, high gloss and close adhesiveness when used in recording paper, and therefore can be used effectively in a binder for an ink, a coating material and an inorganic substance dispersion, an absorption layer in recording paper, a fiber treating agent, wallpaper in medical facilities and the like.

The present invention provides: a vinyl chloride-based resin emulsion of a polymerization product composed of (A) a polycarbonate urethane oligomer having a number average molecular weight of 5,000 to 50,000 and (B) a monomer composition containing a vinyl chloride monomer, wherein the polycarbonate urethane oligomer (A) having a number average molecular weight of 5,000 to 50,000 is contained in an amount of 40 to 500 parts by mass relative to 100 parts by mass of the monomer composition (B) containing a vinyl chloride monomer; and a method for producing the vinyl chloride-based resin emulsion. The vinyl chloride-based resin emulsion according to the present invention can exhibit excellent water resistance, moisture resistance, high gloss, alcohol resistance, close adhesiveness and film formability at ambient temperature when used in a water-based ink, and can exhibit excellent color developability, water resistance, moisture resistance, color visibility, high gloss and close adhesiveness when used in recording paper, and therefore can be used effectively in a binder for an ink, a coating material and an inorganic substance dispersion, an absorption layer in recording paper, a fiber treating agent, wallpaper in medical facilities and the like.

An anti-corrosive material includes an ultraviolet curable resin including, as a main component, a polymerizable compound including a photopolymerizable (meth)acrylate monomer and a photopolymerizable (meth)acrylate oligomer. The polymerizable compound includes a combination of a monofunctional (meth)acrylate monomer and a bifunctional (meth)acrylate monomer, or a combination of at least one of a monofunctional (meth)acrylate monomer or a bifunctional (meth)acrylate monomer and at least one of a trifunctional (meth)acrylate monomer or a polyfunctional (meth)acrylate monomer having four or more functional groups. The photopolymerizable (meth)acrylate oligomer has a polycarbonate diol-derived structure as a main skeleton. The anti-corrosive material has a viscosity of 18,900 mPa.Math.s or less.

A toner comprising a toner particle, wherein the toner particle comprises a binder resin, a resin A, and a resin B, the resin A comprises a substituted or unsubstituted silyl group in a molecule, a substituent of the substituted silyl group is at least one selected from the group consisting of an alkyl group having 1 or more carbon atoms, an alkoxy group having 1 or more carbon atoms, a hydroxy group, a halogen atom, and an aryl group having 6 or more carbon atoms, and the resin B comprises an azo group in a molecule.

A resin composition for secondary coating of an optical fiber contains a photopolymerizable compound and a photopolymerization initiator, wherein the photopolymerizable compound contains: a urethane (meth)acrylate that is a reaction product of a polyol having a number average molecular weight of 300 or more and 1200 or less, a diisocyanate, and a hydroxyl group-containing (meth)acrylate; a bisphenol skeleton-containing (meth)acrylate; and a monofunctional (meth)acrylate in which a glass transition temperature of a homopolymer of the monofunctional (meth)acrylate is −60° C. or more and 15° C. or less; and when the resin composition is ultraviolet-cured under conditions of an accumulated amount of light of 1000 mJ/cm.sup.2 and an illumination of 1000 mW/cm.sup.2 to form a resin film, the Young's modulus of the resin film is 1200 MPa or more and 3000 MPa or less at 23° C., and the glass transition temperature of the resin film is 70° C. or more and 105° C. or less.