Abstract: To provide a composite film having low-temperature flexibility. The composite film is a composite film including an acrylic polymer and a urethane polymer, in which the acrylic polymer includes an acryl component containing at least an acrylic acid-based monomer and a monofunctional acrylic monomer whose homopolymer has a glass transition temperature (Tg) of 273 K or more; the content of the acrylic acid-based monomer in the composite film is from 0.5 to 15 wt %; the glass transition temperature (Tg ac) of the acrylic polymer is 273 K or more; the glass transition temperature (Tg ur) of the urethane polymer is 273 K or less; and the glass transition temperature (Tg) of the composite film is 269 K or less.

Abstract: The present invention relates to a multilayer sheet including a substrate layer and a coat layer arranged on at least one side of the substrate layer and formed using a fluoroethylene vinyl ether alternating copolymer represented by the following formula in which X represents fluorine, chlorine or bromine, Ra represents hydrogen or a C1-C10 alkyl group, Rb represents a C1-C16 alkyl group, Re represents a C1-C16 alkylene group, each of m and n is an integral number, and a weight average molecular weight of the fluoroethylene vinyl ether alternating copolymer is selected within the range of from 1,000 to 2,000,000, in which the substrate layer includes a film including a urethane polymer:

Abstract: The present invention relates to a release liner-attached pressure-sensitive adhesive sheet including a pressure-sensitive adhesive sheet having a substrate and a pressure-sensitive adhesive layer and a release liner arranged on the pressure-sensitive adhesive layer, in which the substrate includes a composite film containing a urethane polymer, the release liner is a layered product including a layer A which constitutes a surface of a pressure-sensitive adhesive layer side and a layer B that supports the layer A, and the release liner has an average linear expansion coefficient between 25° C. and 40° C. of 7×10?5/° C. or less.

Abstract: The present invention relates to a pressure-sensitive adhesive sheet including: a substrate layer including a film which contains at least a urethane polymer; and a pressure-sensitive adhesive layer disposed on at least one side of the substrate layer, in which the pressure-sensitive adhesive sheet has a residual stress of 23 N/cm or lower after having been held in a 10% elongated state for 60 seconds.

Abstract: [Problem] To provide an adhesive sheet for protecting coating films which is excellent in the adhesion between a coating layer and a composite film, and has weather resistance. [Means for solving] The adhesive sheet for protecting coating films is one comprising a base layer and an adhesive layer, and the base layer has a coating layer produced by using the fluoroethylene vinyl ether alternating copolymer having a specific structure on one surface of a composite film containing an acrylic polymer and a urethane polymer. It is preferable that the coating layer is cross-linked with a composite film and has cross-linked points.

Abstract: [Problem] To provide an adhesive sheet for protecting coating films having excellent flexibility. [Means for Solving] The adhesive sheet for protecting coating films comprises an adhesive layer and a base layer provided with a composite film containing at least a urethane polymer, and the adhesive sheet has a 10% modulus at 20° C. of 35 N/cm or less, and a 100% modulus at 20° C. of 8 N/cm or more. A breaking strength of the adhesive sheet for protecting coating films is preferably 40 N/cm or more.

Abstract: An object is to provide an inorganic powder-containing resin composition excellent in an ability to disperse the inorganic powder and excellent in transferability upon formation into a sheet. Another object is to provide an inorganic powder-containing resin composition capable of forming a dielectric layer having highlight transmittance (without bubble defect) and excellent in surface smoothness. The present invention relates to an inorganic powder-containing resin composition comprising A) an inorganic powder, B) a binder resin, C) diglycerin, and D) at least one diglycerin fatty acid ester selected from the group consisting of a diglycerin fatty acid monoester, a diglycerin fatty acid diester, a diglycerin fatty acid triester, and a diglycerin fatty acid tetraester.

Abstract: [Problem] To provide a composite film having light-curing property and weather resistance. [Means for solving] A composite film is one that comprises at least a urethane polymer, wherein both an initial b* value of the composite film measured by a spectrocolorimeter (value at an angle of 15 degrees) and a b* value after performing an accelerated weathering test for 120 hours (value at an angle of 15 degrees) are 4.0 or less, and a non-volatile component after heating the composite film at 130° C. for two hours is 96% or more.

Abstract: A metal halide lamp according to the present invention includes: a main tube (6) made of a light-transmitting ceramic and forming a part of an arc tube; a first thin tube (7a) coupled to a first end of the main tube (6); a second thin tube (7b) coupled to a second end of the main tube (6); a pair of electrodes (5a, 5b), which are inserted into the first and second thin tubes (7a, 7b), respectively, such that the far ends thereof face each other inside the main tube (1); and a first metal halide enclosed in the arc tube. A second metal halide, which has a lower vapor pressure than that of the first metal halide, is further enclosed in the arc tube. And the main tube (6) has portions, of which the inside diameter decreases monotonically toward the ends.

Abstract: The invention provides an inorganic powder-containing resin composition capable of forming a dielectric layer having high light transmittance and excellent in surface smoothness. The invention also provides a film-forming material layer, a transfer sheet and a dielectric layer, which comprise the composition, a method of producing a substrate having a dielectric layer formed thereon, and a substrate having a dielectric layer formed thereon. The inorganic powder-containing resin composition comprises inorganic powder, a binder resin, and a phosphorus compound represented by formula (1): wherein R1, R2 and R3 independently represent H, an alkyl group, an alkylaryl group, NH4+ (ammonium) or —(CH2CH2O)n—R4, wherein n is 1 to 15, and R4 represents H, an alkyl group, an alkylaryl group or a (meth)acryloyl group.

Abstract: The present invention provides an impact absorption sheet for flat panel display with a polyoxyalkylene-series polymer as the main component, preferably, an impact absorption sheet for flat panel display made of a cured product obtained by curing a composition containing (A) polyoxyalkylene-series polymer having at least one alkenyl group in each molecule, (B) compound having an average of 2 or more hydrosilyl groups in each molecule, and (C) hydrosilylation catalyst. According to the present invention, an impact absorption sheet for flat panel display can be obtained, which can meet the size reduction and weight reduction of flat panel display, and which affords practically sufficient impact absorbability even in an area of thin film where practically sufficient impact absorbability has not been conventionally achieved.

Abstract: A metal halide lamp of the present invention has an arc tube formed of ceramic and a pair of opposing electrodes. This lamp includes a Pr (praseodymium) halide, a Na (sodium) halide, and a Ca (calcium) halide enclosed within the arc tube. The Pr halide content Hp [mol], the Na halide content Hn [mol], and the Ca halide content Hc [mol] satisfy the relationships of 0.4?Hc/Hp?15.0 and 3.0?Hn/Hp?25.0.

Abstract: A high-pressure discharge lamp having a support structure for supporting a light emission tube so as to restrict its displacement in a direction perpendicular to the axis line thereof. A pair of thermal-stress generation members generates thermal stresses due to a temperature change at a time of switching the high-pressure discharge lamp from an on status to an off status. The thermal stresses acts as forces directed downward in a vertical direction and outward with respect to the light emission tube on side tube portions of the light emission tube arranged in a posture where the axis line extends in a horizontal direction.

Abstract: The invention provides an inorganic powder-containing resin composition capable of forming a dielectric layer having high light transmittance and excellent in surface smoothness. The invention also provides a film-forming material layer, a transfer sheet and a dielectric layer, which comprise the composition, a method of producing a substrate having a dielectric layer formed thereon, and a substrate having a dielectric layer formed thereon. The inorganic powder-containing resin composition comprises inorganic powder, a binder resin, and a phosphorus compound represented by formula (1): wherein R1, R2 and R3 independently represent H, an alkyl group, an alkylaryl group, NH4+ (ammonium) or —(CH2CH2O)n—R4, wherein n is 1 to 15, and R4 represents H, an alkyl group, an alkylaryl group or a (meth)acryloyl group.

Abstract: A metal halide lamp of the present invention has an arc tube formed of ceramic and a pair of opposing electrodes. This lamp includes a Pr (praseodymium) halide, a Na (sodium) halide, and a Ca (calcium) halide enclosed within the arc tube. The Pr halide content Hp [mol], the Na halide content Hn [mol], and the Ca halide content Hc [mol] satisfy the relationships of 0.4?Hc/Hp?15.0 and 3.0?Hn/Hp?=25.0.

Abstract: A discharge lamp includes a luminous bulb in which a luminous material is enclosed and a pair of electrodes are opposed in the luminous bulb; and a pair of sealing portions for sealing a pair of metal foils electrically connected to the pair of electrodes, respectively. At least one of the pair of metal foils has a twist structure.

Abstract: A metal halide lamp according to the present invention includes: a main tube 6 made of a light-transmitting ceramic and forming a part of an arc tube; a first thin tube 7a coupled to a first end of the main tube 6; a second thin tube 7b coupled to a second end of the main tube 6; a pair of electrodes 5a, 5b, which are inserted into the first and second thin tubes 7a, 7b, respectively, such that the far ends thereof face each other inside the main tube 1; and a first metal halide enclosed in the arc tube. A second metal halide, which has a lower vapor pressure than that of the first metal halide, is further enclosed in the arc tube. And the main tube 6 has portions, of which the inside diameter decreases monotonically toward the ends.

Abstract: A reflecting-mirror-equipped lamp 100 including a high pressure discharge lamp 10 and a reflecting mirror 20. An opening 24 of the reflecting mirror 20 is provided with a front glass 22 and two air holes (31 and 32) are formed through the reflecting mirror 20. The air holes (31 and 32) are provided on a cross section (44) including a luminous bulb 11. If the cross section 44 is divided into regions (I through IV) consisting of first, second, third and fourth quadrants with respect to the luminous bulb 11, the air holes (31 and 32) are respectively provided in two quadrants diagonal to each other, i.e., in the first and third quadrants, respectively, or in the second and fourth quadrants, respectively.

Abstract: An object of the invention is to provide a laminate sheet used in forming a dielectric layer exhibiting desired dielectric properties and a rib simultaneously and integrally. Another object of the invention is to provide a method of producing a back substrate for plasma display panel, which is excellent in production efficiency by significantly reducing the production process by using the laminate sheet. A still other object of the invention is to provide a back substrate for plasma display panel produced by the method described above and a plasma display panel using the back substrate.

Abstract: A high pressure discharge lamp includes a luminous bulb enclosing a luminous substance therein; and a sealing portion for retaining airtightness of the luminous bulb. The sealing portion has a first glass portion extending from the luminous bulb and a second glass portion provided at least in a portion inside the first glass portion, and the sealing portion has a portion to which a compressive stress is applied.