Abstract: An object of the present invention is to provide a curable resin composition having low viscosity and being capable of forming a cured product which is excellent in the flexibility and the heat resistance. The present invention is a curable resin composition including: a (meth)acrylic group-containing vinyl-based polymer (A), a monomer (B) represented by the following Chemical formula (1), and a radical initiator (C).

Abstract: A photocurable composition for a nail or artificial nail which exhibits surface curability corresponding to a UV irradiator and LED irradiation and of which the cured product can exhibit both durability to maintain stable adhesive property in everyday life and soak off property, is colorless and transparent, and is not turbid, or a base coat agent containing the same. The photocurable composition for nail or artificial nail can contain a compound having a (meth)acryloyl group, rosin or a rosin derivative, and a photoinitiator.

Abstract: It has conventionally been difficult to achieve a sheet adhesive which adheres in a low temperature (from 20 to 90° C.), and has both of softness and high adhering strength. The present invention realizes a sheet adhesive capable of adhering in a low temperature (from 20 to 90° C.) which exhibits a high adhesiveness in spite of being a soft sheet of thin film, by forming a simulated multiple layer by using an elastomer as a substrate layer, and by forming a reactive layer by means of spraying or application. A sheet adhesive including a substrate layer and a reactive layer, wherein the substrate layer includes a component (A) and a component (B) below, and the reactive layer is formed with a liquid agent including a component (C) below in an amount of from 0.01% by mass to 45% by mass, component (A): a urethane elastomer, component (B): an epoxy resin, component (C): an amine compound and/or phenol compound.

Abstract: A photocurable composition for a nail or artificial nail which can form a cured product exhibiting excellent durability (adhesion maintainability to nails). In addition, the present invention provides a photocurable composition for a nail or artificial nail which emits a weaker odor, generates less heat at the time of curing, and can form a cured product exhibiting excellent surface curability. In addition, the present invention provides a photocurable composition for nail or artificial nail which can form a cured product having an excellent shear adhesive force. The photocurable composition for nail or artificial nail according to the present invention contains the following components (A) to (D): component (A): a urethane-modified (meth)acrylic oligomer; component (B): a (meth)acrylamide monomer; component (C): a (meth)acrylic monomer having an acidic group; and component (D): a photoinitiator.

Abstract: Providing a viscous material feed apparatus and a viscous material feed method capable of further reducing a viscous material remaining in a container, e.g., a bag, housing the viscous material. A viscous material feed apparatus according to the present invention includes: a container (10) configured to include a bag body (11) with a housing space configured to house a viscous material and a spout (20) with a passage configured to deliver the viscous material in the housing space to outside; a squeeze portion (30) configured to squeeze the bag body toward the spout and move the viscous material in the housing space toward the spout; and a nozzle (40) having a hollow shape, the nozzle being configured to be freely inserted into the passage of the spout and withdrawn from the spout, the nozzle being configured to deliver the viscous material collected at the spout to outside.

Abstract: An object of the present invention is to provide a photocurable composition from which a cured product having high concealing property is obtained by irradiation with an active energy ray such as ultraviolet ray, and which inhibits color fading of the cured product in a high temperature and high humidity (85 C and 85% RH) environment or a high temperature (100 C) environment. A photocurable composition including the following components (A) to (D): component (A): a leuco dye; component (B): a salt having an anion selected from the group consisting of [P(Rf)aF6-a]?, [Sb(Rf)bF6-b]? and [B(Rf)cF4-c]? (in the formulae, Rf represents a fluoroalkyl group having 1 to 20 carbon atoms, a and b each independently represent an integer of from 1 to 5, and c represents an integer of from 1 to 3); component (C): a radical polymerizable compound; and component (D): a photoradical initiator.

Abstract: Conventional electroconductive adhesives had difficulty to have simultaneously storage stability and low temperature curability, and to have at the same time exhibition of adhesion strength and electric conductivity for poorly-adhesive metal adherends such as gold and nickel. The present invention accordingly provides an isotropic electroconductive adhesive that has low temperature curability in an atmosphere of 80 to 130° C.

Abstract: The object of the present invention is to provide a photocurable resin composition which allows obtainment of a cured product that has high concealability, while being suppressed in fading due to ultraviolet light, a cured product of the photocurable resin composition, and a method for producing a cured product. The present invention relates to a photocurable resin composition containing the following component (A) to component (D): component (A): leuco dye; component (B): photoacid generating agent; component (C): radical polymerizable compound; and component (D): ?-hydroxy acetophenone-based radical initiator which has a 5% weight loss temperature (thermal decomposition temperature) in a nitrogen atmosphere of 200° C., or higher as determined by a TGA method at a temperature increase rate, of 10° C./minute.

Abstract: An object of the present invention is to provide a photocurable resin composition having excellent thick-film curability and further excellent storage stability, and a cured product of the photocurable resin composition has a high concealing effect. The present invention is a photocurable resin composition containing components (A) to (E): a component (A): a leuco dye; a component (B): a photoacid generator; a component (C): a radical polymerizable compound (except for a (meth)acrylate having a tertiary amine skeleton); a component (D): a photoradical polymerization initiator; and a component (E): a tertiary amine compound.

Abstract: The present invention relates to a photocurable composition for coating a nail or an artificial nail, including: a component (A): an acrylate oligomer; a component (B): a methacrylate monomer; and a component (C): a photopolymerization initiator. The present invention provides a photocurable composition for coating a nail or an artificial nail, which has a small amount of heat generation during curing by light irradiation.

Abstract: A photocurable composition for a nail or artificial nail which can form a cured product exhibiting excellent durability (adhesion maintainability to nails). In addition, the present invention provides a photocurable composition for a nail or artificial nail which emits a weaker odor, generates less heat at the time of curing, and can form a cured product exhibiting excellent surface curability. In addition, the present invention provides a photocurable composition for nail or artificial nail which can form a cured product having an excellent shear adhesive force. The photocurable composition for nail or artificial nail according to the present invention contains the following components (A) to (D): component (A): a urethane-modified (meth)acrylic oligomer; component (B): a (meth)acrylamide monomer; component (C): a (meth)acrylic monomer having an acidic group; and component (D): a photoinitiator.

Abstract: A photocurable composition for a nail or artificial nail which exhibits surface curability corresponding to a UV irradiator and LED irradiation and of which the cured product can exhibit both durability to maintain stable adhesive property in everyday life and soak off property, is colorless and transparent, and is not turbid, or a base coat agent containing the same. The photocurable composition for nail or artificial nail can contain a compound having a (meth)acryloyl group, rosin or a rosin derivative, and a photoinitiator.

Abstract: In conventional moisture curable compositions, it has been difficult to control changes in the physical characteristics of the cured products to a low level when the cured products are left in a high temperature atmosphere of 80° C. or more as a reliability test. The present invention is characterized by being able to control changes to a low level and having a slight change in elongation rate required to follow the expansion of an adherend under a high temperature atmosphere. The moisture curable composition contains components (A) to (D); component (A): an oligomer, in which a main skeleton is a (meth)acrylic polymer, having a hydrolyzable silyl group in the molecule component (B): a polydialkylsiloxane; component (C): a titanium catalyst; and component (D): a silane-based coupling agent having an isocyanurate skeleton.

Abstract: [Problem] Polyphenylenesulfide (PPS), polypropylene (PP), polyethylene (PE), stainless steel (SUS) and the like correspond to hard-to-bond materials, and thus it has been difficult to improve the adhesion to these materials in adhesives and sealants. [Solution] Provided is a curable resin composition containing: component (A), being a thermosetting resin composition; and component (B), being an adhesion-imparting agent consisting of a compound represented by the following general formula 1, or, containing the compound represented by the following general formula 1 and a compound represented by the following general formula 2: wherein in the general formula 1, n represents 0 to 2, R each independently represents an alkyl group having 1 to 10 carbon numbers or a derivative of the alkyl group, R? represents methyl group, ethyl group or propyl group, and in the general formula 2, m represents 1 to 3, and R1 represents hydrogen atom or methyl group.

Abstract: [Problem] An object of the present invention is to provide a sealant composition for a nonaqueous electrolyte cell in which the application position and uniformity of applied film thickness of the sealant can be visually confirmed even when being applied as a thin film, and having excellent durability in relation to various electrolytic solutions used in the cell. [Solution] A sealant composition for a nonaqueous electrolyte cell, containing (A) an elastomer and (B) a cobalt blue colorant, in which the component (B) has a content of 0.1-20 mass parts with respect to 100 mass parts of the component (A).

Abstract: Regarding a durability test of a moisture-curing composition, it is difficult to both suppress foaming in the inside of a cured product and to stably maintain the physical properties of a cured product. A moisture-curing composition containing the components (A) to (D), the moisture-curing composition containing 0.5 to 5.0 parts by mass of the component (C) relative to 100 parts by mass of the component (A): Component (A): an oligomer which has a polymer of (meth)acrylic monomers as a main chain and which has a hydrolyzable silyl group in the molecule Component (B): specific polydialkylsiloxane Component (C): silicate Component (D): a curing catalyst.

Abstract: An object of the present invention is to provide a photocurable sheet-type adhesive composition for optical use, which is used for bonding cover glass and a touch panel, a touch panel and a display module, or the like, and has high appearance reliability and storage stability even under high temperature and high humidity. The present invention is a photocurable sheet-shape adhesive for optical use, which contains the following components (A) to (D): (A) 100 parts by mass of a urethane (meth)acrylate oligomer having a weight average molecular weight of 20,000 to 100,000; (B) 3 to 70 parts by mass of a phenoxy resin having a glass transition temperature of 50 to 120° C.; (C) 0.1 to 10 parts by mass of a photopolymerization initiator; and (D) 1 to 50 parts by mass of a (meth)acrylate monomer which has 8 to 30 repeated blocks having an ether linkage in the molecule and containing at least one (meth)acryloyl group in the molecule.

Abstract: The present invention allows for a photocurable composition which exhibits stable physical characteristics in a heat resistance test and an oil resistance test, and exhibits good debubbling properties and excellent workability. A photocurable composition including components (A) to (C). component (A): a compound that has a polymer obtained from a (meth)acrylic monomer as a main skeleton, and has at least two (meth)acrylic groups in the molecule component (B): a (meth)acrylic monomer including a component (b-1) and/or a component (b-2) component (b-1): a (meth)acrylic monomer having a hydroxyl group in the molecule, in an amount of 0.1 to 50 parts by mass with respect to 100 parts by mass of the component (A), component (b-2): a (meth)acrylic monomer having a saturated alicyclic skeleton in the molecule, in an amount of 0.1 to 10 parts by mass with respect to 100 parts by mass of the component (A), component (C): a photoinitiator.

Abstract: In durability tests of a moisture-curing composition, it is difficult to both suppress foaming inside of the cured product and to stably maintain the physical properties of the cured products. [Solution] This moisture-curing composition contains components (A)-(D), and contains 0.5-5.0 parts by mass of component (C) per 100 parts by mass of component (A).

Abstract: In the present invention, the two-pack type curable resin composition using a compound having one or more (meth)acrylic groups in the molecule enables both of prolongation of a working life and maintenance of physical properties of a cured product. Prior art had a difficulty in controlling a working life continuously; however, the present invention can easily control the working life and therefore makes it possible to be used in various conditions. Provided is a two-pack type curable resin composition, containing components (A) to (E): component (A) being a compound having one or more (meth)acrylic groups in the molecule thereof; component (B) being hydroperoxide; component (C) being at least one type of copper compound and vanadium compound; component (D) being a compound having 2 to 6 thiol groups in the molecule thereof; and component (E) being saccharin.