Abstract: Provided is a hot-melt adhesive composition, comprising: an ?-olefin (co)polymer (A) that is produced using a single-site catalyst and has a Shore A hardness of 80 or more; an ?-olefin (co)polymer (B) that is produced using a single-site catalyst and has a Shore A hardness of less than 80; an ethylene-polar group-containing monomer copolymer (C); and a polypropylene-based wax (D), wherein the polypropylene-based wax (D) is comprised in an amount of 60 parts by mass to 300 parts by mass with respect to a total of 100 parts by mass of the ?-olefin (co)polymer (A), the ?-olefin (co)polymer (B), and the ethylene-polar group-containing monomer copolymer (C).

Abstract: The present invention allows measurement of a precise amount of gas by preventing sudden flow rate fluctuations of gas. A gas supply system 1a for a mixing-discharging apparatus 90 to mix gas and paste material includes a regulator 2 adapted to control pressure of gas supplied to the mixing-discharging apparatus, a flow meter 3 adapted to measure flow rate of the gas, a gas storage portion 4 adapted to store the gas, and a valve 5 adapted to open and close a gas introduction path 11 to the mixing-discharging apparatus 90. The flow meter 3 is placed in front of the gas storage portion 4 and behind the regulator 2 with respect to a flow of the gas.

Abstract: A deodorization apparatus according to one aspect of the present invention includes: a first main wall 201; a second main wall 202; a first side wall 203; a second side wall 204; a first partition wall 205 with a gap with the second main wall; a second partition wall 206 with a gap with the first main wall; a photocatalyst unit 30 provided between the first main wall and the second main wall, and allowing air to pass therethrough in a direction from the second main wall to the first main wall; and a centrifugal blower 40 disposed opposite to the photocatalyst unit with respect to the second partition wall and spaced apart from the first main wall, the centrifugal blower 40 having a suction port that opens toward the first main wall and a discharge port that opens on a side facing away from the second partition wall.

Abstract: A photocatalytic structure according to one embodiment of the present invention, which achieves a high deodorization effect, comprises a base material formed of a porous ceramic material in a platelike shape and a photocatalyst supported on the surface and inside pores of the base material. The open porosity of the ceramic material is 35-75%, the ceramic material includes large pores having a diameter of 100-1000 ?m inclusive, and small pores having a diameter of 10 ?m or less are open in the inner wall surfaces of the large pores.

Abstract: A dispenser for discharging a mixture of gas and a paste material includes: a nozzle part (2) provided in a tip end part of a body (11) and having a tip end opening; a flow path (4) for the mixture extending from an introduction part (5) for the mixture to the tip end opening through a hollow space of the nozzle part; a needle part (3) movable in the flow path of the nozzle part to open and close the flow path 4; a driving part (7, 8, and 9) that drives the needle part; and a stopper part (10, 14, and 16) that limits an operation range of the needle part. The nozzle part as a tapered section in which an inside diameter of the flow path of the nozzle part relative to an operation range of a tip end of the needle part decreases toward the tip end opening.

Abstract: Provided is a hot-melt adhesive as a hot-melt adhesive composition comprising: a crystalline polyolefin (A) having a Shore A hardness of 80 or more; an amorphous polyolefin (B); and a polypropylene-based wax (C), wherein the amount of the polypropylene-based wax (C) is 60 parts by weight or more and 300 parts by weight or less with respect to 100 parts by weight of the combined amount of the crystalline polyolefin (A) and the amorphous polyolefin (B), and the hot-melt adhesive has good adhesiveness to a resin base material, particularly a polyolefin base material including a polypropylene base material, and also has workability (mold releasability) that allows easy peeling from a mold.

Abstract: A dispenser used for discharging a mixture of gas and a paste material includes: a nozzle part provided in a tip end part of a body and having a tip end opening through which the mixture is discharged; a flow path extending from a mixture introduction part to the tip end opening through a hollow space of the nozzle part; a needle part movable in the flow path of the nozzle part to open and close the flow path; a driving part that drives the needle part; and a stopper part that limits an operation range of the needle part. The nozzle part has a tapered section in which an inside diameter of the flow path of the nozzle part decreases toward the tip end opening. Also provided is a stopper position adjusting part that adjusts a stop position defined by the stopper part.

Abstract: A curable composition used to produce a polyurethane foam comprises an isocyanate group-containing urethane pre-polymer (I) having an oxyalkylene ether skeleton and no siloxane skeleton, and an isocyanate group-containing urethane pre-polymer (II) having a siloxane skeleton and an oxyalkylene ether skeleton.

Abstract: A rotation transmission disc includes: an outer circumferential portion on which a load acts when rotation is transmitted; a center opening portion formed inside the outer circumferential portion; and a plurality of attachment holes for attachment of the rotation transmission disc 1 to a rotating element. A first crosspiece portions are formed in each of ranges of divided angles formed by two adjacent attachment holes with respect to a center of the rotation transmission disc. The first crosspiece portion extends from a load point, which is an intersection between a straight line extending in a radial direction to internally divide the divided angles at a predetermined angular ratio and a load radius position of the outer circumferential portion, to one of the attachment holes forming the divided angles. The second crosspiece portion extends from the load point to the other attachment hole of the attachment holes forming the divided angles.

Abstract: Provided is a foaming curable composition containing a heat-curable elastomer (A), a chemical foaming agent (B), and expandable particles (C) having a shell and an encapsulated component, wherein the chemical foaming agent (B) contains a hydrazine-based foaming agent (B1), and the peak foaming temperature of the chemical foaming agent (B) is 5° C. to 50° C. higher than the peak expansion temperature of the expandable particles (C). This novel foaming curable composition has good foaming and adhesive properties, as well as good properties after standing uncured.

Abstract: Provided is a foaming curable composition containing a heat-curable elastomer (A), a chemical foaming agent (B), and expandable particles (C) having a shell and an encapsulated component, wherein the encapsulated component contains a hydrocarbon (C1) having 7 to 9 carbon atoms. This novel foaming curable composition had good foaming and adhesive properties, as well as good properties after standing uncured.

Abstract: Excellent adhesiveness to resin substrates is provided even with a reduced pretreatment, preferably without a pretreatment, by a curable composition comprising an urethane prepolymer (A) having a polyoxyalkylene backbone and an isocyanate group, and an urethane prepolymer (B) having a polycarbonate and/or polyester backbone and an isocyanate group.

Abstract: Excellent adhesive strength can be maintained to improve product reliability, even after storage under high humidity, by a curing agent (B) for an epoxy resin, the curing agent (B) containing a reactive terminated polydiene (B1), a reactive polyamine (B2), and an amidine (B3).

Abstract: The present invention provides an adhesive composition which is a primerless urethane-based adhesive and has high adhesive force with respect to a polyolefin-based resin. An adhesive composition according to the present invention is a two-liquid type urethane-based adhesive composition comprising: a main agent which comprises (A) a urethane prepolymer having an isocyanate group at the end thereof, (B) a polyfunctional isocyanate compound having an alkoxysilyl group which can be obtained through a reaction of a silane compound having at least two alkoxysilyl groups in one molecule and a polyisocyanate having an isocyanate group at the end thereof and (C1) a first curing catalyst; and a curing agent which comprises (D) a hydrophobic polyol and (C2) a second curing catalyst.

Abstract: A curable composition used to produce a polyurethane foam comprises an isocyanate group-containing urethane pre-polymer (I) having an oxyalkylene ether skeleton and no siloxane skeleton, and an isocyanate group-containing urethane pre-polymer (II) having a siloxane skeleton and an oxyalkylene ether skeleton.

Abstract: A rotation transmission disc includes: an outer circumferential portion on which a load acts when rotation is transmitted; a center opening portion formed inside the outer circumferential portion; and a plurality of attachment holes for attachment of the rotation transmission disc 1 to a rotating element. A first crosspiece portions are formed in each of ranges of divided angles formed by two adjacent attachment holes with respect to a center of the rotation transmission disc. The first crosspiece portion extends from a load point, which is an intersection between a straight line extending in a radial direction to internally divide the divided angles at a predetermined angular ratio and a load radius position of the outer circumferential portion, to one of the attachment holes forming the divided angles. The second crosspiece portion extends from the load point to the other attachment hole of the attachment holes forming the divided angles.

Abstract: Provided is a strong and lightweight sprocket. A sprocket according to one aspect of the present invention comprises: attachment holes 20 formed at equal intervals in the circumferential direction; a plurality of sprocket teeth 30 provided to the outer periphery; first openings 40 formed into substantially triangular shapes of which two corners each face an attachment hole 20 and the remaining corner is positioned toward the outer periphery; and second openings 50 that are formed into substantially triangular shapes of which one corner faces an attachment hole 20 and the remaining two corners are positioned toward the outer periphery, and that, with the first openings 40, demarcate first crossbars 70 with which driving force and load reaction force align and second crossbars 80 with which driving force and load reaction force conflict.

Abstract: Provided are: a photocurable composition capable of forming a sealant composed of a foam endowed with excellent elongation and excellent tensile strength by being cured while foamed; a photocurable foam composition in which gas bubbles are included in the aforementioned photocurable composition; a urethane (meth)acrylate compound that is suitably used as a component of the aforementioned photocurable composition; and a method for producing a foam using the abovementioned photocurable composition. In this photocurable composition, which contains a urethane (meth)acrylate (A) and a photopolymerization initiator (C), a urethane (meth)acrylate compound having a specific structure that includes a urethane bond, has a polyether chain having a molecular weight within a specific range in the center, and has (meh) acryloyloxy groups at both ends of a linear polyether chain is used as the urethane (meth)acrylate (A).

Abstract: Disclosed is a curable composition comprising an elastomer (A), an epoxy resin (B) and a latent curing agent (C), wherein the latent curing agent (C) comprises a combination of two or more latent curing agents.