Abstract: Provided is a viscoelastic article which exerts different properties between one surface and the other surface thereof, which has a transparent appearance, and which less causes staining of objects to which the viscoelastic article is adopted. The viscoelastic article is an article having a multilayer structure including a polymer layer, and a monomer-absorptive layer capable of absorbing at least one of monomer component(s) constituting the polymer, in which the polymer layer is a polymer layer containing an elastomer unevenly distributed and enriched at an interface, or in the vicinity thereof, opposite to the monomer-absorptive layer. The vicinity of the interface opposite to the monomer-absorptive layer is preferably a region ranging from the interface opposite to the other interface with the monomer-absorptive layer and occupying, in a thickness direction, 50% or less of the total thickness.

Abstract: Provided is a flame-retardant member having physical functionality or chemical functionality, flexibility, and a high level of flame retardancy. The physically functional flame-retardant polymer member includes a polymer layer (B), a flame-retardant layer (A), and a physically functional layer (L) in the stated order, in which the flame-retardant layer (A) includes a layer containing a layered inorganic compound (f) in a polymer. The chemically functional flame-retardant polymer member includes a polymer layer (B), a flame-retardant layer (A), and a chemically functional layer (L) in the stated order, in which the flame-retardant layer (A) includes a layer containing a layered inorganic compound (f) in a polymer.

Abstract: The present invention aims to provide a flame-retardant member having environment-resistant functionality or hygienic functionality, flexibility, and a high degree of flame retardancy. An environment-resistant functional flame-retardant polymer member of the present invention is an environment-resistant functional flame-retardant polymer member including a polymer layer (B), a flame-retardant layer (A), and an environment-resistant functional layer (L) in the stated order, in which the flame-retardant layer (A) is a layer containing a layered inorganic compound (f) in a polymer. A hygienic functional flame-retardant polymer member of the present invention is a hygienic functional flame-retardant polymer member including a polymer layer (B), a flame-retardant layer (A), and a hygienic functional layer (L) in the stated order, in which the flame-retardant layer (A) is a layer containing a layered inorganic compound (f) in a polymer.

Abstract: There is provided a light diffusing flame-resistant composite member which has both flame resistance and flexibility and has excellent light diffusibility. The light diffusing flame-resistant composite member of the present invention includes a glass fiber sheet and a condensation-reactive silicone resin, wherein at least one surface of the glass fiber sheet is coated with the condensation-reactive silicone resin, or the glass fiber sheet is impregnated with the condensation-reactive silicone resin, and wherein the composite member has a total light transmittance of 60% or more and a haze value of 80% or more. The condensation-reactive silicone resin may be an inorganic oxide particle-containing condensation-reactive silicone resin comprising a crosslinking structure in which inorganic oxide particles dispersed in a polysiloxane resin having a condensation-reactive group is crosslinked with the polysiloxane resin by chemical bonds.

Abstract: The purpose of the present invention is to provide a process for polymer member production in which a rugged surface structure is easy to control, and a polymer member obtained by the process. This process for producing a polymer member (10) having a rugged surface structure is characterized bar comprising a step (A) in which a monomer-absorbing layer (5) capable of absorbing a polymerizable monomer (2), a ruggedness transfer material layer (1) having a rugged surface (1a), and polymerizable-composition layer (4) containing the polymerizable monomer (2) are superposed so that the layer (4) is disposed between the monomer-absorbing layer (5) and the rugged surface (1a) of the transfer material layer (1) and a step (B) in which the polymerizable monomer (2) is polymerized. The process is further characterized in that the polymerizable-composition layer (4) contains an incompatible substance (3) which is incompatible with the polymerizable.

Abstract: A thermal conductive sheet is obtained by preparing a resin layer, laminating a particle-containing monomer mixture layer which contains a monomer to be absorbed in the resin layer and a thermal conductive particle on one side surface of the resin layer, localizing the thermal conductive particle at one side by allowing the monomer to be absorbed in the resin layer, and thereafter, reacting the monomer to be cured.

Abstract: A thermal conductive sheet is obtained by preparing a resin layer; laminating a particle-containing monomer mixture layer which contains a monomer to be absorbed in the resin layer and a thermal conductive particle on one side surface of the resin layer; localizing the thermal conductive particle at one surface side by allowing the monomer to be absorbed in the resin layer; thereafter, reacting the monomer to be cured so as to fabricate a particle-localized sheet; laminating a plurality of the particle-localized sheets so as to allow one surface to be in contact with the other surface to fabricate a particle-localized sheet laminate; and then, cutting the particle-localized sheet laminate into a sheet shape along a laminating direction of each of the particle-localized sheets.

Abstract: Provided is a flame-retardant member having flexibility and a high degree of flame retardancy. A flame-retardant polymer member of the present invention is a flame-retardant polymer member having a polymer layer (B) and a flame-retardant layer (A) on at least one surface of the polymer layer (B), in which the flame-retardant layer (A) is a layer containing a layered inorganic compound (f) in a polymer (X).

Abstract: Provided is a method for simply producing a polymer sheet having a three-dimensional pattern on surface. The method produces such a polymer sheet having a three-dimensional pattern on surface by applying a polymerizable composition to one surface of a polymer sheet and allowing the surface to have a three-dimensionally altered shape; and thereafter performing polymerization/curing to form a three-dimensional pattern on the surface of the polymer sheet. The polymerizable composition includes a monomer mixture including at least one polymerizable monomer absorbable by the polymer sheet, or a partial polymer of the monomer mixture as an essential component.

Abstract: Provided is a polymer member that demands no volatile component such as solvent during production, in which distribution of its immiscible material is controlled. The process for producing polymer member according to the present invention comprises forming a monomer-absorptive layer that can absorb a polymerizable monomer on both faces of an immiscible material-containing polymerizable composition layer containing a substance incompatible with the polymer obtained by polymerization of the polymerizable monomer and obtaining, by polymerization of the laminate, a polymer member having an unevenly distributed structure in which the immiscible material is not present at the interface between the immiscible material-containing polymerizable composition layer and the monomer-absorptive layers immediately after lamination.

Abstract: The present invention relates to an acrylic pressure-sensitive adhesive including: a) an acrylic polymer containing, as a monomer unit, an alkyl (meth)acrylate including an alkyl group having 1 to 20 carbon atoms in an amount of 50% by weight or more; and b) a tackifier resin, in which the acrylic polymer a) contains two kinds of monomer units having a difference in solubility parameter (SP value) of 0.2 (MPa)1/2 or more, each in an amount of 15% by weight or more.

Abstract: The present invention relates to an acrylic viscoelastic composition including an acrylic polymer A obtained by polymerizing an acrylic monomer mixture containing an alkyl (meth)acrylate (a) and a terpene-based (meth)acrylate (b), the terpene-based (meth)acrylate (b) being contained in an amount of 5 to 70% by weight based on the total monomer components of the acrylic monomer mixture; and a tackifying component B having a weight average molecular weight of 2,000 to 20,000.

Abstract: Provided is a gas barrier article which exerts gas barrier properties by the action of a gas barrier material contained in a small content. The gas barrier article is an article having a multilayer structure including a polymer layer and a monomer-absorptive layer capable of absorbing at least one of monomer component(s) constituting the polymer, in which the polymer layer is a polymer layer containing the gas barrier material unevenly distributed in the layer and enriched at an interface, or in the vicinity thereof, opposite to the monomer-absorptive layer. The vicinity of the interface opposite to the monomer-absorptive layer is preferably a region ranging from the interface opposite to the monomer-absorptive layer and occupying, in a thickness direction, 50% or less of the total thickness.

Abstract: Provided is a viscoelastic article which exerts different properties between one surface and the other surface thereof, which has a transparent appearance, and which less causes staining of objects to which the viscoelastic article is adopted. The viscoelastic article is an article having a multilayer structure including a polymer layer, and a monomer-absorptive layer capable of absorbing at least one of monomer component(s) constituting the polymer, in which the polymer layer is a polymer layer containing an elastomer unevenly distributed and enriched at an interface, or in the vicinity thereof, opposite to the monomer-absorptive layer. The vicinity of the interface opposite to the monomer-absorptive layer is preferably a region ranging from the interface opposite to the other interface with the monomer-absorptive layer and occupying, in a thickness direction, 50% or less of the total thickness.