A laminate, containing two or more polyolefin resin layers, wherein at least one polyolefin resin layer (A) contains a cellulose fiber including a cellulose fiber having a fiber length of 0.3 mm or more dispersed in the layer; a content of the cellulose fiber in the polyolefin resin layer (A) is 1% by mass or more and less than 60% by mass; and wherein a polyolefin resin layer (B) different from the polyolefin resin layer (A) is laminated in contact with the polyolefin resin layer (A).

An aircraft wing (6) is provided. The aircraft wing (6) comprises at least one structure (62), (64), 66 comprising: a foam core (626), (666); first and second carbon fibre composite layers (624a), (622a), (662a), (664a) respectively attached to top and bottom sides of the foam core to sandwich the foam core; and third and fourth carbon fibre composite layers (624b), (622b), (662b), (664b) respectively disposed adjacent to the first and second carbon fibre composite layers, wherein the total thickness of the structure is between 1 mm and 11 mm. An aircraft having the aircraft wing and a method of manufacturing a structure are also provided.

Provided is a prepreg that can be cured in a short time even at a low temperature, and can obtain a fiber-reinforced composite resin molded article having excellent mechanical properties such as flexural modulus, bending strength, and breaking strain, and excellent heat resistance. The prepreg of the embodiment includes an epoxy resin composition and a reinforcing fiber, in which the epoxy resin composition includes a component (A): an oxazolidone epoxy resin, a component (B): a novolac epoxy resin, a component (C): a urea compound, and a component (D): a curing agent, and with respect to a total mass of all epoxy resins included in the epoxy resin composition, a content of the component (A) is 40% to 70% by mass and a content of the component (B) is 15% to 40% by mass.

Disclosed herein are polymer elements, e.g. fibers and tapes, produced by a process consisting of a series of hot drawing steps interspersed with periods of quiescent heating and the process for producing the same. The polymer elements may comprise polyolefin materials such as ultra-high molecular weight polyethylene. The polymer elements may be used to form fabrics or composite materials by themselves or in combination with other polymeric materials.

Provided is a method for manufacturing a fiber reinforced resin molded article capable of detecting a resin impregnation state in a fiber layer of a preform at a position corresponding to a resin flow end portion and uniformly impregnating the fiber layer of the preform with resin, and such a manufacturing device thereof. For example, when a relation between a resin pouring time and a pressure of resin detected by a pressure sensor satisfies a predetermined condition or when the pressure of resin detected by the pressure sensor is higher than or equal to a predetermined value, it is determined that the resin flow end portion of the preform is completely impregnated with resin.

Provided is a method for manufacturing a fiber reinforced resin molded article capable of effectively increasing the strength of a fiber reinforced resin molded article, such as a high-pressure tank, and such a manufacturing device thereof. With use of a cutting core that is heated to a higher temperature than a mold, the curing of a portion of resin (thermosetting resin) to be cut in a runner is facilitated, and the portion of the resin to be cut in the runner is cut by the cutting core. The heating temperature of the cutting core is higher than the temperature of the mold and lower than the heating temperature in an aftercure step performed after removing the high-pressure tank from the mold.

A fiber composite component with a lighting function includes a fiber reinforced unit with at least two fiber layers integrated into a plastics matrix, and an electroluminescent light having a light source arranged between two adjacent fiber layers, the light source including a first insulating layer and a second insulating layer which electrically insulate the light source from the two adjacent fiber layers.

A metal-fiber reinforced resin material composite is provided which improves the shear strength between a metallic member and a fiber reinforced material by more strongly bonding the metallic member and the fiber reinforced resin member, and which is very light and has excellent workability while increasing strength.

[Solution]

This metal-fiber reinforced resin material composite is provided with a metallic member and with a fiber reinforced resin material that is stacked on at least one surface of the metallic member and combined with the metallic member, wherein the fiber reinforced resin material comprises a matrix resin containing a thermoplastic resin, a reinforcing fiber material included in the matrix resin, and a resin layer interposed between the reinforcing fiber material and the metallic member and comprising a resin of the same type as the matrix resin. The shear strength of the metallic member and the fiber reinforced resin material is greater than or equal to 0.8 MPa.

An object of the present invention is to provide a fiber-reinforced thermoplastic resin sheet which can be manufactured into a molded body exhibiting excellent appearance quality as well as exhibits both high moldability and strength and a manufacturing method of such a fiber-reinforced thermoplastic resin sheet. The present invention relates to a fiber-reinforced thermoplastic resin sheet which is a random laminated body of a tape-shaped unidirectional prepreg and contains spread reinforcement fibers and a polymer (a) and in which the polymer (a) is a polymer of at least a bisphenol A type epoxy compound represented by Formula (1):

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[where n is an integer of 1 to 4] and a bisphenol compound selected from the group consisting of bisphenol A, bisphenol F, bisphenol S, bisphenol B, bisphenol E, and bisphenol P, and M.sub.wa is 25,000 or more and a proportion (M.sub.wb/M.sub.wa) of M.sub.wb to M.sub.wa is 1.01 to 1.8, where M.sub.wa denotes a weight average molecular weight of the polymer (a) and M.sub.wb denotes a weight average molecular weight of a polymer (b) contained in a heat-treated fiber-reinforced thermoplastic resin sheet acquired by heating the fiber-reinforced thermoplastic resin sheet at 180° C. for 1 hour.

Embodiments of the present invention describe secured fiber-reinforced aerogels and laminate structures formed therefrom. In one embodiment a laminate comprises at least one fiber-reinforced aerogel layer adjacent to at least one layer of fiber containing material wherein fibers from said at least one fiber-reinforced aerogel layer are interlaced with fibers of said at least one fiber-containing material. In another embodiment a laminate comprises at least two adjacent fiber-reinforced aerogel layers wherein fibers from at least one fiber-reinforced aerogel layer are interlaced with fibers of an adjacent fiber-reinforced aerogel layer.