Abstract:
Provided is a pressure sensitive adhesive sheet containing, on a substrate or a release material, a resin layer formed of a multilayer structure of three or more layers including a fine particle-containing layer that contains fine particles in an amount of 15% by mass or more, at least a surface (±) of the resin layer being opposite to the side thereof on which the substrate or the release material is provided having pressure sensitive adhesiveness, wherein the fine particle-containing layer is formed not as the outermost layer of the resin layer, and one or more concave portions exist on the surface (±) and the shapes of the one or more concave portions have irregular shapes. When attached to an adherend, the pressure sensitive adhesive sheet can exhibit excellent air escape property of readily removing air accumulation which may be formed, good blister resistance and good pressure sensitive adhesion characteristics.
Abstract:
The present application relates to a plastic substrate, a method for producing same, an organic electronic device, and display light source and lighting apparatus. The plastic substrate according to the present application has superb light extraction efficiency and exhibits an excellent surface roughness characteristic. Furthermore, the method for producing the plastic substrate according to the present application can produce the plastic substrate by means of a process in which scattering components are added secondarily. Moreover, the plastic substrate according to the present application can be utilized as a substrate for an organic electronic device, and the organic electronic device can be utilized as display light source and lighting apparatus.
Abstract:
Provided is a method for producing an organopolysiloxane emulsion composition which contains an organopolysiloxane having a trialkyl group at a terminal thereof and having a viscosity of 50,000 mm 2 /s or more at 25°C, within a shorter time compared with the conventional methods. A method for producing an emulsion composition which contains an organopolysiloxane having a viscosity of 50,000 mm 2 /s or more at 25°C and capped with a trialkylsilyl group, said method comprising: (I) emulsifying a mixture comprising (A) an organopolysiloxane, (B) a nonionic surfactant, (C) an anionic surfactant, (D-1) an acidic compound and (E-1) water to prepare an emulsion composition; (II) adding (D-2) an acidic compound and (E-2) water to the emulsion composition to perform emulsion polymerization; and (III) adding 0.001 part by mass or more of (F) a compound to the resultant product to perform emulsion polymerization again.
Abstract:
There is provided a flaky graphite containing boron, the flaky graphite containing boron having an average thickness of 100 nm or less and an average plate diameter d c of 0.01 to 100 µm. There is also provided a conductive resin composition comprising a resin component and a carbon component comprising at least the flaky graphite containing boron, wherein the content of the carbon component based on 100 parts by mass of the resin component is 5 to 4000 parts by mass. There are also provided a conductive coating material and a conductive adhesive using the conductive resin composition.
Abstract:
A nitrile rubber composition comprising 5 to 50 parts by weight of carbon black, 5 to 60 parts by weight of graphite having an average particle diameter of 5 µm or less, 5 to 50 parts by weight of conductive carbon other than these carbon black and graphite, and 0.5 to 3.5 parts by weight of 2,5-di-tert-butylhydroquinone or 2,5-di-tert-amylhydroquinone as an antioxidant, based on 100 parts by weight of nitrile rubber. The nitrile rubber composition can yield a vulcanization molded product, besides maintaining characteristics as a conductive material, satisfying muddy water resistance, sealing properties, and low torque characteristics required for rolling bearing oil seals for vehicles, etc., and having a rubber volume change kept low when the product is washed with water after exposure to an antifreezing agent.
Abstract:
Provided is a pressure sensitive adhesive sheet containing a resin layer on a substrate or a release material, at least a surface (α) of the resin layer being opposite to the side thereof on which the substrate or the release material is provided having pressure sensitive adhesiveness, wherein, when a smooth surface of a light transmissive adherend having a smooth surface is attached to the surface (α), one or more concave portion (G) not kept in contact with the smooth surface exist on the surface (α), and the shapes of the one or more concave portions (G) have irregular shapes. The pressure sensitive adhesive sheet has excellent air escape property capable of readily removing air accumulation that may be formed on attaching to an adherend, and has good pressure sensitive adhesion characteristics.
Abstract:
A pressure sensitive adhesive sheet is provided, containing a substrate or a release material having thereon a resin layer including a resin part (X) containing as a main component a hydrocarbon resin having a carbon atom on a main chain of a structural unit, and a particle part (Y) consisting of fine particles containing silica particles, and at least a surface (α) of the resin layer being opposite to the side of the substrate or being opposite to the side which the release material is provided, having pressure sensitive adhesiveness, the resin layer containing a multilayer structure having a layer (Xα) and a layer (Y1) in this order in the thickness direction from the side of the surface (α), in a measurement of an intensity ratio (Si/C) of a peak intensity (Si) derived from a silicon atom and a peak intensity (C) derived from a carbon atom with an energy dispersive X-ray analyzer in the thickness direction from the side of the surface (α) of the resin layer, the intensity ratio in the layer (Xα) being less than 0.10, and the intensity ratio in the layer (Y1) being 0.10 or more, the surface (α) having concave portions of irregular shapes.
Abstract:
A resin composition including an epoxy resin monomer, a novolac resin including a compound having a structural unit represented by Formula (I), and a filler; in which the filler has at least 4 peaks in a particle size distribution measured by laser diffractometry, in which four of the peaks are present respectively in ranges of not less than 0.01 µm and less than 1 µm, not less than 1 µm and less than 10 µm, from 10 µm to 50 µm, and from 20 µm to 100 µm, and in which a peak present in a range of from 10 µm to 50 µm includes an aluminum oxide particle, and a peak present in a range of from 20 µm to 100 µm includes a boron nitride particle. In Formula (I) each of R 1 , R 2 and R 3 independently represents a hydrogen atom, an alkyl group, or the like. m represents 0 to 2, and n represents 1 to 7.