Abstract: A housing includes: a top cover; a bottom cover having a rising wall member erected toward the top cover and joined to the top cover at a rim; and a reinforcing structure which is disposed in a space divided by the top cover and the bottom cover, and has an opening, the reinforcing structure being joined to the bottom cover. The bottom cover is formed of a material having a thickness of 0.1 mm or more and 0.8 mm or less and an elastic modulus of 20 GPa or more and 120 GPa or less.

Abstract: A housing includes: a top cover; a bottom cover; and a reinforcing structure that is disposed in a space divided by the top cover and the bottom cover, and has an opening, the reinforcing structure being joined to the top cover or the bottom cover. The reinforcing structure is (1) joined to the bottom cover or the top cover with a pealing load of 60 N/cm2 or more and 5000 N/cm2 or less at 23° C. and with a pealing load of less than 60 N/cm2 at 200° C., and/or (2) joined to the top cover or the bottom cover by thermal welding.

Abstract: A housing includes: a bottom cover; a top cover; and a reinforcing structure that is disposed in a space divided by the bottom cover and the top cover, and has a flat portion, and a rising wall member erected on a rim of the flat portion. The rising wall member of the reinforcing structure is joined to a rising wall member erected on a rim of the bottom cover or the top cover.

Abstract: An electronic device housing includes: a bottom cover; a top cover; a partition structure that is disposed in a space divided by the bottom cover and the top cover and has an opening; and a heat generation member. The partition structure is joined to the bottom cover or the top cover to form a hollow structure, and the heat generation member is disposed on a surface of the partition structure on the hollow structure side.

Abstract: A housing includes: a bottom cover; a top cover; and a reinforcing structure that is disposed in a space divided by the bottom cover and the top cover and has a flat portion, a rising wall member erected on a rim of the flat portion, and a joining portion extending from a rim of the rising wall member, or a curved portion, and a joining portion extending from a rim of the curved portion, the joining portion of the reinforcing structure being joined to the bottom cover or the top cover. The area of the joining portion is within a range of 10 cm2 or more and 100 cm2 or less, and the maximum value of the height of the reinforcing structure is within a range of 3 mm or more and 30 mm or less.

Abstract: A resin supply material used for press molding or vacuum-pressure molding of a fiber-reinforced resin, the resin supply material including a continuous porous material and a thermosetting resin, wherein an average pore cross-sectional area ratio P expressed by formula (I) is 1.1 or more: P=AII/AI ??(I) AI: average pore cross-sectional area in region I AII: average pore cross-sectional area in region II Region I: region occupying 10% of total volume of continuous porous material from surface layer on both surfaces thereof Region II: whole region of continuous porous material.

Abstract: Provided is a molding material comprising a composite of 1 to 50 wt % of a continuous reinforcing fiber bundle (A) and 0.1 to 20 wt % of a poly (phenylene ether ether ketone) oligomer (B); and 30 to 98.9 wt % of a thermoplastic resin (C) adhering to the composite, wherein the component (B) has a melting point of not higher than 270° C. Also provided are a method for molding the molding material, a method for producing the molding material, and a method for producing a fiber-reinforced composite material. A molded article having high heat resistance and dynamic properties can be easily produced without impairing the economic efficiency and productivity during the process for producing a molding material. In addition, a fiber-reinforced composite material can be produced with more ease and high productivity.

Abstract: A method for producing a fiber-reinforced composite material is provided. By satisfying particular conditions, this method is capable of suppressing the problem of poor appearance caused by the release film in the production of the fiber-reinforced composite material having a three-dimensional shape by heat-press molding to enable production of the fiber-reinforced composite material having a high quality appearance in high cycle. A method for manufacturing a fiber-reinforced composite material wherein a fiber-reinforced substrate containing a reinforcing fiber (A) and a thermosetting resin (B) is sandwiched between release films (C) to constitute a layered material, and the layered material is pressed in a mold heated to molding temperature to thereby cure the thermosetting resin (B), wherein the method satisfies the following (i), (ii), and (iii) or (i), (ii), and (iv): (i) the fiber-reinforced composite material has at least 1 bent part, (ii) the molding temperature is 130 to 180° C.

Abstract: A molding material is provided including a composite having 1 to 50 wt % of (A) a bundle of continuous reinforcing fibers and 0.1 to 40 wt % of (B) a polyarylene sulfide prepolymer or (B?) a polyarylene sulfide; and 10 to 98.9 wt % of (C) a thermoplastic resin adhered to the composite; wherein the composite further has (D) a zero-valent transition metal compound or (E) a low-valent iron compound in an amount of 0.001 to 20 mol % based on the amount of sulfur atoms contained in the component (B) or (B?). A prepreg and a method of producing a fiber-reinforced molding base material is also provided. By using the molding material according to the present invention which exhibits excellent economic efficiency and productivity, a molded article having excellent mechanical characteristics can be easily produced.

Abstract: The present invention provides a light-weight fiber-reinforced composite material that has excellent flame retardance and mechanical properties and never emits a halogen gas. The present invention also provides a prepreg and en epoxy resin composition suited to obtain the above described fiber-reinforced composite material. The present invention also provides an integrated molding which is produced using the above described fiber-reinforced composite material, thereby suitable for use in electric/electronic casings. The epoxy resin composition is such that it contains the following components [A], [B] and [C]: [A] epoxy resin, [B] amine curing agent, and [C] phosphorus compound, wherein the concentration of the component [C] is 0.2 to 15% by weight in terms of phosphorus atom concentration.

Abstract: A resin supply material is used for molding a fiber-reinforced resin and includes a continuous porous material and a resin. The continuous porous material has a bending resistance Grt of 10 mN·cm or more at 23° C., and a bending resistance ratio Gr of 0.7 or less, the bending resistance ratio Gr being expressed by the formula: Gr=Gmt/Grt Gmt: bending resistance of continuous porous material at 70° C.

Abstract: A resin supply material used for press molding or vacuum-pressure molding of a fiber-reinforced resin includes a reinforcing fiber base material and a thermosetting resin, wherein a tensile rupture strain of the reinforcing fiber base material is 1% or more at temperature T, and/or a tensile strength of the reinforcing fiber base material is 0.5 MPa or more at the temperature T, wherein Temperature T is a temperature at which the viscosity of the thermosetting resin is minimum in heating of the thermosetting resin at a temperature elevation rate of 1.5° C./minute from 40° C.

Abstract: A resin supply material is used for molding a fiber-reinforced resin, includes reinforcing fibers and a resin, wherein a fiber weight content Wfi of the reinforcing fibers as expressed by formula (I) is 30% or less, and/or a fiber volume content Vfi of the reinforcing fibers as expressed by formula (II) is 20% or less Wfi=Wf1/(Wf1+Wr1)×100(%)??(I) Wf1: fiber weight (g) in resin supply material, Wr1: resin weight (g) in resin supply material Vfi=Vf1/Vp1×100(%)??(II) Vf1: fiber volume (mm3) in resin supply material, Vp1: volume (mm3) of resin supply material.

Abstract: A molded article excellent in dynamic characteristics and water degradation resistance can be obtained by using a fiber-reinforced polypropylene resin composition including a carbodiimide-modified polyolefin (a), a polypropylene resin (b) and reinforcing fibers (c), wherein the content of the carbodiimide group contained in a resin component in the fiber-reinforced polypropylene resin composition is 0.0005 to 140 mmol based on 100 g of a matrix resin component, and the reinforcing fibers (c) are sizing-treated with a polyfunctional compound (s); and a molding material using the fiber-reinforced polypropylene resin composition.

Abstract: A laminate includes reinforcing fibers, thermosetting resin (B) or thermoplastic resin (D), wherein adhesion with other members, particularly in high-temperature atmospheres, is outstanding. The laminate includes: a porous substrate (C) comprising a thermoplastic resin (c), reinforcing fibers (A) and a thermosetting resin (B), or a porous substrate (C) comprising a thermoplastic resin (c), reinforcing fibers (A) and a thermoplastic resin (D); wherein the porous substrate (C) has a gap part continuous in the thickness direction of the laminate, and the melting point or softening point is higher than 180° C., and at least 10% of the surface area of one surface of the porous substrate (C) is exposed on one side of the laminate.

Abstract: A production method for a fiber reinforced composite material includes heating a preform formed by laminating a prepreg layer (I) including a reinforcement fiber (A) and a thermosetting resin (B-1) with a resin layer (II) including a thermosetting resin (B-2) and a solid additive (C) to cure the thermosetting resin (B-1) and the thermosetting resin (B-2), the cured resin layer (II?) formed by curing the resin layer (II) having an average thickness of 35 ?m or more and 300 ?m or less.

Abstract: A molding material comprising the following components (A) to (D) at the following ratios, in which the component (D) is bonded to a composite comprising the components (A) to (C) and the order in the weight average molecular weight is component (D)>component (B)>component (C); (A) 1 to 75 wt % of a reinforcing fiber bundle; (B) 0.01 to 10 wt % of a first propylene-based resin; (C) 0.01 to 10 wt % of a second propylene-based resin having carboxylate groups bound to the polymer chains thereof; and (D) 5 to 98.98 wt % of a third propylene-based resin. A molding material of this invention provides a long fiber-reinforced thermoplastic resin molding material containing a propylene-based resin as the matrix resin, which allows the reinforcing fibers to be well dispersed into the molded article produced at the time of injection molding and allows the molded article produced to have excellent mechanical properties.

Abstract: A method is provided for producing a metal composite. The composite includes a metal material and a resin curing layer provided along the metal material, and is obtained by using heat and pressure to mold a preform. The preform includes a sheet-shaped base material containing a thermosetting resin, and a metal material arranged or layered so as to contact the sheet-shaped base material. The method for producing a metal composite includes heating the sheet-shaped base material and semi-curing the thermosetting resin while the metal material in the preform arranged inside a mold is heated to a temperature exceeding 180° C., and molding the preform into a composite using pressure, wherein the thermosetting resin is at least one type selected from the group consisting of epoxy resins, phenol resins, benzoxazine resins, and unsaturated polyester resins.

Abstract: The present invention relates to fiber-reinforced thermoplastic resin composition comprising 0.1 to 10 mass % of a (meth)acrylic-based polymer, 1 to 70 mass % of reinforcing fiber, and 20 to 98.9 mass % of thermoplastic resin, wherein the (meth)acrylic-based polymer has, in a side chain, at least one functional group selected from a hydroxyl group, a carboxyl group, an amide group, and an urea group, and has a cohesive energy density (CED) of 385 to 550 MPa. The present invention provides, particularly in the case of using a polyolefin-based resin as matrix resin, a fiber-reinforced thermoplastic resin composition and a reinforcing fiber bundle which have high adhesiveness and good mechanical characteristics.

Abstract: A resin composition including 10 to 90% by mass of (A) a component to be polymerized containing a compound represented by Formula (1), and 90 to 10% by mass of (B) a thermosetting resin, the (A) and (B) each being capable of undergoing a reaction to increase molecular weight by itself when heated: wherein, Ar represents an aryl; and X represents at least one selected from the group consisting of ethers, ketones, sulfides, sulfones, amides, carbonates and esters.