Abstract: A method for forming a film on a substrate by continuous vapor deposition includes: introducing the substrate into a film-forming apparatus; conveying the substrate into a pretreatment compartment of a pressure reduction chamber of the film-forming apparatus; performing plasma pretreatment of the substrate including supplying a plasma source gas composed of argon and at least one of oxygen, nitrogen, carbon dioxide gas and ethylene, introducing the plasma source gas that has been supplied as plasma into a gap between a magnet of the pretreatment compartment and a pretreatment roller such that the plasma is entrapped in the gap, and holding the plasma and applying a voltage between the pretreatment roller and a plasma-supply nozzle; conveying the substrate into a vapor deposition compartment of the pressure reduction chamber; and forming the film by vapor deposition on a surface of the substrate which has been pretreated.

Abstract: The present invention provides a curable composition comprising a urethane-modified epoxy resin (A) as an essential component of a main material, and an acid anhydride (B) as an essential component of a curing agent, wherein the urethane-modified epoxy resin (A) is a reaction product of a polyisocyanate compound (a1), a polyester polyol (a2), and a hydroxyl group-containing epoxy resin (a3) as essential reaction raw materials. The curable composition of the invention is advantageous in that a cured product having excellent fracture toughness and excellent tensile strength can be formed from the composition.

Abstract: The present invention provides a curable composition containing a urethane-modified epoxy resin (A) as an essential component of a main agent and an acid anhydride (B) as an essential component of a curing agent, the urethane-modified epoxy resin (A) being a reaction product obtained by using a polyisocyanate compound (a1), a polyether polyol (a2), and a hydroxy group-containing epoxy resin (a3) as essential reaction materials; a cured product thereof; a fiber-reinforced composite material; a fiber-reinforced resin molded article; and a method for producing a fiber-reinforced resin molded article. The curable composition can form a cured product having excellent fracture toughness and tensile strength in the cured product.

Abstract: The present invention provides an epoxy resin composition containing an epoxy resin (A) having a viscosity at 25° C. of 1000 mPa·s or less, an epoxy resin (B) having at least two epoxy groups that is other than the epoxy resin (A), a core-shell rubber particle (C), and an amine curing agent (D). The content of the epoxy resin (A) is in the range of 0.5 to 15 mass % relative to the total mass of (A), (B), (C), and (D), and the content of the core-shell rubber particle (C) is in the range of 1 to 10 mass % relative to the total mass of (A), (B), (C), and (D). This epoxy resin composition has low viscosity and good impregnation property into fibers and is capable of forming into a cured product having high heat resistance, high mechanical properties, and high water absorption resistance.

Abstract: The present invention provides: a curable composition including an epoxy resin, an amine compound, and core-shell particles, in which the amine compound contains an N-(aminoalkyl)piperazine compound as an essential component; a cured product thereof; a fiber reinforced composite material, a fiber reinforced resin molded article, and a method for producing a fiber reinforced resin molded article. The curable resin composition has fast curability, also has favorable impregnation property into reinforced fibers, and furthermore, can form a cured product having excellent toughness and the like.

Abstract: The present invention provides a curable composition comprising a urethane-modified epoxy resin (A) as an essential component of a main material, and an acid anhydride (B) as an essential component of a curing agent, wherein the urethane-modified epoxy resin (A) is a reaction product of a polyisocyanate compound (a1), a polyester polyol (a2), and a hydroxyl group-containing epoxy resin (a3) as essential reaction raw materials. The curable composition of the invention is advantageous in that a cured product having excellent fracture toughness and excellent tensile strength can be formed from the composition.

Abstract: The present invention provides a curable composition which contains an epoxy compound (A), an amine compound (B), and an acrylic resin (C) and in which the amine compound (B) contains an N-(aminoalkyl) piperazine compound (B1) as an essential component; a cured product; a fiber-reinforced composite material; a fiber-reinforced resin molded article; and a method for producing a fiber-reinforced resin molded article. The curable composition can form a cured product having excellent mechanical strength or heat resistance, and thus can be suitably used for a fiber-reinforced composite material or a fiber-reinforced resin molded article.

Abstract: To provide a light-shielding barrier laminate with excellent gas barrier properties and light-shielding properties. A light-shielding barrier laminate comprising a light-shielding sealant film laminated on a transparent gas barrier film, having an inorganic oxide vapor deposition film formed on one side of a transparent resin film, on the side on which the inorganic oxide vapor deposition film has been formed, via an adhesive layer, the light-shielding sealant film being a film having an aluminum vapor deposition film formed on one side of a heat-sealable resin film, the side on which the aluminum vapor deposition film is formed being laminated so as to face the adhesive layer.

Abstract: The invention provides a gas barrier film with low deterioration in the gas barrier property before and after high-temperature hot water treatment. The gas barrier film has a gas barrier coating film, formed as a composite film comprising a network structure having a mesh structure with Si—O—Si bonds as the basic lattice and a water-soluble polymer crystallized as microcrystals, incorporated into the mesh of the network structure, wherein a barrier coating agent, obtained by mixing a condensate solution of an alkoxysilane hydrolysate prepared as a mixed solution in which the proportion of bonded states of the silicon atoms of the condensate with Q1 and Q2 structures is at least 60% of the total silicon atoms, with a crystalline water-soluble polymer, is coated on a base material film, either after forming or without forming an aluminum oxide vapor deposition film, to form a coating layer.

Abstract: A roller-type continuous vapor deposition film-forming apparatus for a substrate that is to be conveyed at high speed, comprising a plasma pretreatment device and a film-forming apparatus provided in series, wherein a substrate conveying compartment 12A, a pretreatment compartment 12B and film formation compartment 12C are formed inside a chamber 3; and a substrate S is wound from an unwinding roller 13 onto a plasma pretreatment roller 20 and film formation roller 25, which are provided in series, via guide rollers 14a-14d, and is taken up by a take-up roller 15.

Abstract: Provided is an epoxy resin which has a low viscosity and excellent impregnation capability into reinforcing fibers and provides a cured product having a high elastic modulus and excellent heat resistance when the epoxy resin is used for a fiber-reinforced resin material, and a method for producing the epoxy resin, a curable resin composition, and a cured product thereof, a fiber-reinforced composite material, and a molded article. An epoxy resin which is polyglycidyl ether that is a polycondensation product of phenol and hydroxybenzaldehyde, the resin includes the trinuclear body (X) represented by the following Structural Formula (1), in which the content of a [o,p,p] bonding body (x1) represented by the following Structural Formula (1-1) among the trinuclear body (X) is in the range of 5% to 18% in terms of an area ratio as measured by liquid chromatography.

Abstract: A lubricating oil composition includes: a lubricant base having a kinematic viscosity at 100° C. of 1.0 to 10 mm2/s and % CP of no less than 70; (A) 0.1 to 30 mass % of a poly(meth)acrylate viscosity index improver having a PSSI of no more than 5, a weight average molecular weight of 10,000 to 500,000, a ratio A/B of less than 2.4 and a ratio C/B of less than 1.4, the ratio A/B being a ratio of a viscosity increase effect A on kinematic viscosity at 100° C. to a viscosity increase effect B on HTHS viscosity at 150° C., and the ratio C/B being a ratio of a viscosity increase effect C on kinematic viscosity at 150° C. to the viscosity increase effect B on HTHS viscosity at 150° C.; and (B) 0.01 to 2.0 mass % of a friction modifier.

Abstract: Employed is a roller-type continuous vapor-deposited film forming device in which a film-forming section and a preprocessing section provided with a plasma preprocessing device are arranged in series at a distance from each other. With a substrate transported at a high speed, plasma (P) is supplied to the substrate surface side while set to an electrically positive potential by a plasma preprocessing means for supplying the plasma toward the substrate (S) in a space enclosed in a preprocessing roller, and enclosed in a plasma supply means for supplying a plasma-forming gas and in a magnet (21), which is a magnetism formation means. An active preprocessed surface is formed on the surface of the substrate (S). An inorganic oxide vapor-deposited film having as a principal component thereof an aluminum oxide containing AL-C covalent bonds is immediately formed at high speed in succession on the preprocessed surface of the substrate to produce a highly adhesive transparent vapor-deposited film.

Abstract: The present invention provides a poly(meth)acrylate-based viscosity index improver comprising a core portion and three or more arm portions, wherein each of the arm portions consists of a polymer chain comprising a structural unit represented by the following formula (1), and one end of the polymer chain is bonded to the core portion, and wherein a weight-average molecular weight Mw is 100000 or more, and a ratio of the weight-average molecular weight Mw to a number average molecular weight Mn, Mw/Mn, is 1.6 or less. [R1 represents hydrogen or a methyl group, and R2 represents a C1 to C36 alkyl group.

Abstract: Provided is an epoxy resin which has a low viscosity and excellent impregnation capability into reinforcing fibers and provides a cured product having a high elastic modulus and excellent heat resistance when the epoxy resin is used for a fiber-reinforced resin material, and a method for producing the epoxy resin, a curable resin composition, and a cured product thereof, a fiber-reinforced composite material, and a molded article. An epoxy resin which is polyglycidyl ether that is a polycondensation product of phenol and hydroxybenzaldehyde, the resin includes the trinuclear body (X) represented by the following Structural Formula (1), in which the content of a [o,p,p] bonding body (x1) represented by the following Structural Formula (1-1) among the trinuclear body (X) is in the range of 5% to 18% in terms of an area ratio as measured by liquid chromatography.

Abstract: The lubricating oil composition of the invention comprises a lubricating base oil with a 100° C. kinematic viscosity of 1-20 mm2/s, (A) a friction modifier, (B) a first overbased metal salt obtained by overbasing an oil-soluble metal salt with an alkaline earth metal borate, and (C) an overbased second oil-soluble metal salt obtained by overbasing an oil-soluble metal salt with an alkaline earth metal carbonate.

Abstract: The invention provides a gas barrier film with low deterioration in the gas barrier property before and after high-temperature hot water treatment. The gas barrier film has a gas barrier coating film, formed as a composite film comprising a network structure having a mesh structure with Si—O—Si bonds as the basic lattice and a water-soluble polymer crystallized as microcrystals, incorporated into the mesh of the network structure, wherein a barrier coating agent, obtained by mixing a condensate solution of an alkoxysilane hydrolysate prepared as a mixed solution in which the proportion of bonded states of the silicon atoms of the condensate with Q1 and Q2 structures is at least 60% of the total silicon atoms, with a crystalline water-soluble polymer, is coated on a base material film, either after forming or without forming an aluminum oxide vapor deposition film, to form a coating layer.

Abstract: The invention provides a lubricating oil composition comprising: a lubricating base oil having a kinematic viscosity at 100° C. of 1-10 mm2/s, a % Cp of 70 or greater and a % CA of not greater than 2; a first viscosity index improver of 0.01-10% by mass, based on the total weight of the composition, wherein the first viscosity index improver is a poly(meth)acrylate having a weight-average molecular weight of not greater than 100,000; and a second viscosity index improver of 0.01-50% by mass, based on the total weight of the composition, wherein the second viscosity index improver is a polymer having a weight-average molecular weight of 100,000 or greater and containing a structural unit represented by the following formula (1) in a proportion of 0.5-70 mol %, the composition having a kinematic viscosity at 100° C. of 4-12 mm2/s and a viscosity index of 140-300.

Abstract: The invention provides a lubricating oil composition comprising a lubricating base oil with a kinematic viscosity at 100° C. of 1-10 mm2/s, a % Cp; of 70 or greater and a % CA of no greater than 2 and a viscosity index improver having a weight-average molecular weight of 100,000 or greater and a ratio of weight-average molecular weight to PSSI of 1.0×104 or greater, at 0.1-50% by mass based on the total amount of the composition, and having a kinematic viscosity at 100° C. of 9.0-12.5 mm2/s and a HTHS viscosity at 150° C. of 2.8 mPa·s or greater. It further provides a lubricating oil composition comprising a lubricating base oil with a kinematic viscosity at 100° C. of 1-6 mm2/s, a % Cp of 70 or greater and a % CA of no greater than 2, a hydrocarbon-based viscosity index improver with a PSSI of no greater than 20, and a poly(meth)acrylate-based viscosity index improver.

Abstract: The present invention provides a lubricating oil composition for internal combustion engines which can reduce sufficiently the friction under mixed lubricating conditions and is excellent in fuel saving properties. The lubricating oil composition comprises (A) a base oil having a 100° C. kinematic viscosity of 2 to 8 mm2/s and an aromatic content of 10 percent by mass or less, (B) a metallic detergent having a metal ratio of 1.01 to 3.3 overbased with an alkaline earth metal borate, and (C) an organic molybdenum compound with a molybdenum concentration of 0.01 to 0.2 percent by mass on the basis of the total mass of the composition, and having a 100° C. HTHS viscosity of 5.5 mPa·s or lower.