Abstract: Provided are a silicone hydrogel that has, even when being produced using a hydrophobic mold such as a polypropylene mold, excellent surface hydrophilicity that is stable for a long period of time without requiring a surface treatment such as a plasma treatment, and a method for producing the same. The silicone hydrogel according to one embodiment of the present invention contains water, and in a dried body produced by removing water from the silicone hydrogel, a ratio (A?/B?) of an average value (A?) of O/Si concentration ratios at a first measurement point to a third measurement point to an average value (B?) of O/Si concentration ratios at a 14th measurement point to a 16th measurement point, which are separately defined, is 1.20 or more.

Abstract: A curable composition capable of forming a molded body and a silicone hydrogel, which have excellent surface hydrophilicity and transparency even when using a hydrophobic mold of polypropylene or the like; a molded body and a silicone hydrogel containing the curable composition; and a method for producing the silicone hydrogel are provided. The curable composition of the present invention contains a macromonomer (A) comprising a structural unit (a1) represented by Formula (1), a silicone-based (meth)acrylate (B), a hydrophilic monomer (C), and a surfactant (D).

Abstract: A method for producing a silicone hydrogel may include: (1) preparing a curable composition containing a silicone-based(meth)acrylate (A), a hydrophilic monomer (B), and a surfactant (C); (2) molding the curable composition with a hydrophobic mold to obtain a cured product; and (3) washing the cured product. The silicone-based(meth)acrylate (A) may be a monomer having a siloxanyl group in a molecule. The hydrophilic monomer (B) may include a first monomer including, in a molecule, a hydroxyl group, an amino group, a carboxyl group, an ionic group, a pyrrolidone group, an amide structure, and/or a polyalkylene oxide group.

Abstract: An adhesive sheet and a laminated sheet wherein stress applied to a member sheet is reduced in the laminated sheet formed by laminating the member sheet and the adhesive sheet, and the adhesive sheet and the laminated sheet do not break or delaminate even though a folding operation is conducted under low temperature and high temperature conditions are provided, and an adhesive sheet wherein the restorability when the folded adhesive sheet is opened is good is further provided. An adhesive sheet satisfying the following requirements (1) to (2) is proposed. (1) A storage shear modulus at 80° C. (G? (80° C.)) obtained by dynamic viscoelasticity measurement in shearing mode at a frequency of 1 Hz is 1 kPa or more and less than 20 kPa, and a loss tangent at 80° C. (tan ? (80° C.)) is less than 0.50. (2) A storage shear modulus at ?20° C. (G? (?20° C.)) obtained by dynamic viscoelasticity measurement in shearing mode at a frequency of 1 Hz is 1 kPa or more and less than 1000 kPa.

Abstract: A curable composition includes a macromonomer (A) having a structural unit (a1) of formula (1): R1 being a hydrogen atom or a methyl group, R2 being an alkylene group having 1 to 4 carbon atoms, R3 being a hydrocarbon group having 1 to 6 carbon atoms, and h being a natural number of 1 to 20; a silicone-based (meth)acrylate (B); and a hydrophilic monomer (C).

Abstract: The present disclosure provides an adhesive sheet formed from an adhesive composition containing a (meth)acrylic acid ester copolymer and a crosslinker, in which the (meth)acrylic acid ester copolymer contains, as components that constitute the copolymer, (A) a branched or linear C1 to C20 alkyl (meth)acrylic acid ester monomer, (B) a monomer having an alkylene glycol group in a molecule and having a (meth)acryloyl group, and (C) a nitrogen-containing vinyl monomer, and the adhesive sheet has a storage shear modulus at ?30° C. (G? (?30° C.)) of not greater than 250 kPa obtained by dynamic viscoelasticity measurement with a shearing mode at a frequency of 1 Hz, and has a strain recovery rate (400%, 1 minute) of not less than 70%.

Abstract: Provided is a flexible image display device member having a configuration in which two flexible members are adhered together via a novel adhesive layer that can firmly adhere to highly polar member sheets, and has excellent bendability, wherein the adhesive layer has a maximum value of a loss tangent (tan ?) obtained by dynamic viscoelasticity measurement in a shear mode at a frequency of 1 Hz being at ?20° C. or lower, and in the Hansen solubility parameters (?d, ?p, and ?h) on the adhesive layer surface as measured by a contact angle method, the polar term ?p is 2.0 MPa0.5 or more and the hydrogen bond term ?h is 5.0 MPa0.5 or more.

Abstract: Provided is a flexible image display device member including an adhesive layer which enables, during a folding operation of a layered sheet having a configuration in which a member sheet and an adhesive sheet are layered in a high-temperature environment, a good restoration property when the layered sheet is unfolded from a folded state. The flexible image display device member has a configuration in which two flexible members are bonded together via the adhesive layer, and the adhesive layer satisfies requirements (1) and (2). (1) A storage shear modulus at 60° C. (G? (60° C.)) obtained by dynamic viscoelasticity measurement in a shear mode at a frequency of 1 Hz is 0.005 MPa or more and less than 0.20 MPa, and a loss tangent at 60° C. (tan ? (60° C.)) is less than 0.60.

Abstract: Provided is an adhesive sheet causing neither cracks nor delamination when bonding to a member sheet to form a laminate sheet even when the laminate sheet is folded under low and high temperature environments, and having excellent restorability when the laminate sheet is bent and held under high temperature conditions. Proposed is an adhesive sheet satisfying the following requirements (1) to (3): (1) the storage shear elastic modulus at 80° C. (G?(80° C.)) obtained by dynamic viscoelasticity measurement in a shear mode at a frequency of 1 Hz is 1.0 kPa or more and 100 kPa or less; (2) the storage shear elastic modulus at ?20° C. (G?(?20° C.)) obtained by dynamic viscoelasticity measurement in a shear mode at a frequency of 1 Hz is 1.0 kPa or more and 140 kPa or less; and (3) when the storage shear elastic modulus is measured by dynamic viscoelasticity measurement in a shear mode at a frequency of 1 Hz, the average slope of ?20° C. to 80° C., which is represented by formula (1): average slope=(G?(80° C.

Abstract: Provided is a novel adhesive sheet capable of sufficiently exhibiting a corrosion prevention effect for silver and copper, and reducing the relative permittivity and its temperature dependency. Proposed is an adhesive sheet of a single layer comprising an adhesive layer containing a polyolefin, an acrylic polymer, and a nitrogen heterocyclic compound; or an adhesive sheet having a layered constitution comprising the adhesive layer as a surface layer.

Abstract: An adhesive sheet and a laminated sheet wherein stress applied to a member sheet is reduced in the laminated sheet formed by laminating the member sheet and the adhesive sheet, and the adhesive sheet and the laminated sheet do not break or delaminate even though a folding operation is conducted under low temperature and high temperature conditions are provided, and an adhesive sheet wherein the restorability when the folded adhesive sheet is opened is good is further provided. An adhesive sheet satisfying the following requirements (1) to (2) is proposed. (1) A storage shear modulus at 80° C. (G? (80° C.)) obtained by dynamic viscoelasticity measurement in shearing mode at a frequency of 1 Hz is 1 kPa or more and less than 20 kPa, and a loss tangent at 80° C. (tan ? (80° C.)) is less than 0.50. (2) A storage shear modulus at ?20° C. (G? (?20° C.)) obtained by dynamic viscoelasticity measurement in shearing mode at a frequency of 1 Hz is 1 kPa or more and less than 1000 kPa.

Abstract: The present invention provides an adsorptive member which is used in a heat exchanger such as an adsorptive heat pump or a humidity control apparatus such as a desiccant system and which is excellent in heat resistance and adhesion between adsorptive particles and a base material. The adsorptive member comprising a base material and an adsorptive material layer formed on the base material, wherein the adsorptive material layer comprises adsorptive particles and a binder as essential components, and the binder is an epoxy cured product comprising the following structural units (a) and (b): (a): a bisphenol type structural unit; and (b): a linear hydrocarbon structural unit having 4 or more carbon atoms, and/or a polyalkylene ether structural unit having 3 or more ether oxygen atoms.