Abstract:
A method for manufacturing an optical member which can improve bonding properties between a first member having a light transmitting property and a second member. The method includes a precuring step of forming a photocuring precured resin layer on a surface of the first member or the second member, the photocuring precured resin layer having a thin film on a side to be bonded with the second member or the first member, a bonding step of bonding the first member and the second member via the precured resin layer, and a final curing step of final-curing the precured resin layer to form a light transmitting resin layer. It is thereby possible to reduce the elastic modulus of the precured resin layer, suppress protrusion during bonding, and improve bonding properties.
Abstract:
A photocurable resin composition contains an acrylate-based oligomer component as component (a), an acrylic-based monomer component as component (b), a plasticizer component as component (c), and a photopolymerization initiator component as component (d). The total amount of the component (a) and the component (b) contained in the photocurable resin composition is 25 to 80% by mass, and the amount of the plasticizer component as the component (c) contained in the photocurable resin composition is 65 to 10% by mass. The component (c) contains a solid tackifier and a liquid plasticizing component, and the mass ratio of the tackifier to the liquid plasticizing component is in the range of 60 to 30:30 to 10.
Abstract:
A photocurable resin composition which can improve adhesion between light transmitting members. The photocurable resin composition contains a monofunctional acrylic monomer having a heating residue of 85.0% or less after being heated at 60° C. for 30 minutes, a crosslinking agent, a photopolymerization initiator, and a softening agent composed of at least one of plasticizer and tackifier, and the heating residue after being heated at 60° C. for 30 minutes is less than 96.0%.
Abstract:
A UV-photocured resin layer (and an image display device including the UV-photocured resin layer), the UV-photocured resin layer including the following cured components: an acrylate-based oligomer component selected from the group consisting of a polyisoprene-based (meth)acrylate oligomer, a polybutadiene-based (meth)acrylate oligomer, and a polyurethane-based (meth)acrylate oligomer; an acrylic-based monomer component; a plasticizer component; and a photoradical polymerization initiator component.
Abstract:
A method for manufacturing an optical member which can improve bonding properties between a first member having a light transmitting property and a second member. The method includes a precuring step of forming a photocuring precured resin layer on a surface of the first member or the second member, the photocuring precured resin layer having a thin film on a side to be bonded with the second member or the first member, a bonding step of bonding the first member and the second member via the precured resin layer, and a final curing step of final-curing the precured resin layer to form a light transmitting resin layer. It is thereby possible to reduce the elastic modulus of the precured resin layer, suppress protrusion during bonding, and improve bonding properties.
Abstract:
A liquid photocurable resin composition not containing a thermal polymerization initiator is applied to a surface of a light-transmitting cover member having a light-shielding layer or a surface of an image display member, irradiated with ultraviolet rays under an atmosphere where the oxygen concentration is significantly decreased and cured, to form a light-transmitting cured resin layer. Subsequently, the image display member and the light-transmitting cover member are stacked through the light-transmitting cured resin layer to manufacture an image display device of the present invention.
Abstract:
A UV-photocured resin layer (and an image display device including the UV-photocured resin layer), the UV-photocured resin layer including the following cured components: an acrylate-based oligomer component selected from the group consisting of a polyisoprene-based (meth)acrylate oligomer, a polybutadiene-based (meth)acrylate oligomer, and a polyurethane-based (meth)acrylate oligomer; an acrylic-based monomer component including octyl acrylate or isobornyl acrylate; a plasticizer component; and a photoradical polymerization initiator component.
Abstract:
A photocurable resin composition contains an acrylate-based oligomer component as component (a), an acrylic-based monomer component as component (b), a plasticizer component as component (c), and a photopolymerization initiator component as component (d). The total amount of the component (a) and the component (b) contained in the photocurable resin composition is 25 to 80% by mass, and the amount of the plasticizer component as the component (c) contained in the photocurable resin composition is 65 to 10% by mass. The component (c) contains a solid tackifier and a liquid plasticizing component, and the mass ratio of the tackifier to the liquid plasticizing component is in the range of 60 to 30 : 30 to 10.