Abstract: Disclosed are: a fiber-reinforced resin article which includes, on at least one face of a unidirectional fiber-reinforced resin sheet (UDS), a plurality of chopped sheets (CS) of a unidirectional fiber-reinforced resin sheet which is the same as or different from the abovementioned unidirectional fiber-reinforced resin sheet (UDS), wherein the ratio of the chopped sheets (CS), with respect to 100 parts by mass of the unidirectional fiber-reinforced resin sheet (UDS), is at least 40 parts by mass and no more than 100 parts by mass; a method for manufacturing a fiber-reinforced resin article, said method having a step for positioning a plurality of the chopped sheets (CS), and a step for heating and pressurizing; and a laminate including the fiber-reinforced resin article and a foam layer.

Abstract: The present invention addressed the problem of providing a molded body which has a high performance of reducing energy caused by the application of a load, and which is obtained from a fiber-reinforced resin containing reinforcing fibers arranged while aligned in one direction. To solve the problem, the present invention relates to a molded body, including a reinforced layer formed by layering fiber-reinforced resin layers containing a plurality of reinforcing fibers arranged while aligned in one direction and a matrix resin impregnated with the reinforcing fibers. In the molded body, the reinforced layer has a plurality of alignment shifted layers, which are fiber-reinforced resin layers in which the shift angle, i.e., the angle formed by the reinforcing fibers with respect to the longitudinal direction of the reinforced layer, is 25° to 65° or ?65° to ?25°.

Abstract: Provided is a thin film-shaped fiber-reinforced resin that can sufficiently increase the impact resistance of a coated resin molded body while suppressing the reduction in bending elastic modulus of the resin molded body. The thin film-shaped fiber-reinforced resin includes a plurality of reinforcing fibers that are arranged in a single direction alignment, and a matrix resin with which the reinforcing fibers are impregnated. The matrix resin includes a thermoplastic plastic and a thermoplastic elastomer. The content of the thermoplastic elastomer with respect to the total of the thermoplastic plastic mass and the thermoplastic elastomer mass is 5-40 mass %.

Abstract: Disclosed are a method for producing a laminate including a step of laminating a resin impregnated fiber reinforced composition layer on a metal member, wherein the method includes a step of forming a resin coating on the metal member and a step of laminating a resin impregnated fiber reinforced composition layer containing a resin impregnated fiber reinforced composition containing (I) 20 to 80% by mass of a polymer having a melting point and/or a glass transition temperature of 50 to 300° C., and (C) 20 to 80% by mass of a reinforcing fiber (provided that the sum of the component (I) and the component (C) is taken as 100% by mass) via the above resin coating; and a laminate obtained by the method.

Abstract: Disclosed are: a fiber-reinforced resin article which includes, on at least one face of a unidirectional fiber-reinforced resin sheet (UDS), a plurality of chopped sheets (CS) of a unidirectional fiber-reinforced resin sheet which is the same as or different from the abovementioned unidirectional fiber-reinforced resin sheet (UDS), wherein the ratio of the chopped sheets (CS), with respect to 100 parts by mass of the unidirectional fiber-reinforced resin sheet (UDS), is at least 40 parts by mass and no more than 100 parts by mass; a method for manufacturing a fiber-reinforced resin article, said method having a step for positioning a plurality of the chopped sheets (CS), and a step for heating and pressurizing; and a laminate including the fiber-reinforced resin article and a foam layer.

Abstract: Disclosed is a laminate having a carbon fiber reinforced thermoplastic resin woven layer (X) and a thermoplastic resin foam layer (Y) layered in the order of layer (X)/layer (Y)/layer (X), wherein the fabric contains unidirectional fiber reinforced resin sheets as warp and weft, the unidirectional fiber reinforced resin sheet containing continuous carbon fibers and a thermoplastic resin, and the carbon fibers are aligned in a longitudinal direction of the unidirectional fiber reinforced resin sheet, and the ratio (y/x) of the thickness (y) of the layer (Y) and the thickness (x) of the layer (X) is 3-40, and the density of the layer (Y) is 0.2-0.6 g/cc. Also disclosed are: a three-dimensional molded laminate in which a three-dimensional shape is given to said laminate; and a method for producing a three-dimensional molded laminate.

Abstract: This manufacturing method for a resin molded body includes: a step in which an intermediate molded body made of a resin composition is prepared, the intermediate molded body having a rough surface with a maximum peak height (Rp) of 10-5000 ?m measured according to JIS B 0601 or a maximum valley depth (Rv) of 10-5000 ?m measured according to JIS B 0601; and a step in which a thin film-like molded body is fused to the rough surface of the intermediate molded body by irradiation with a laser, the thin film-like molded body being made of a resin composition containing reinforcing fibers arranged in one direction.

Abstract: Disclosed are a laminated sheet comprising a first dye-containing layer, an intermediate layer and a second dye-containing layer laminated in this order, which is excellent in low temperature impact resistance and suitable for a laser tape winding method with high productivity, characterized in that the intermediate layer is composed of a stretched thermoplastic resin or a stretched thermoplastic resin composition, and each dye-containing layer is composed of a thermoplastic resin composition containing a dye which absorbs light having a wavelength of 300 nm or more and 3000 nm or less; and a laminate, and a method for producing them.

Abstract: Disclosed are a method for producing a laminate including a step of laminating a resin impregnated fiber reinforced composition layer on a metal member, wherein the method includes a step of forming a resin coating on the metal member and a step of laminating a resin impregnated fiber reinforced composition layer containing a resin impregnated fiber reinforced composition containing (I) 20 to 80% by mass of a polymer having a melting point and/or a glass transition temperature of 50 to 300° C., and (C) 20 to 80% by mass of a reinforcing fiber (provided that the sum of the component (I) and the component (C) is taken as 100% by mass) via the above resin coating; and a laminate obtained by the method.

Abstract: Disclosed are: a reinforcing fiber bundle with excellent mechanical property and handling property, which contains a propylene-based resin (A), a propylene-based resin (B) comprising at least a carboxylic acid salt bonded to the polymer chain, and a reinforcing fiber (C) wherein the propylene-based resin (A) comprises more than 70% by mass but not more than 100% by mass of a component (A-1) having a weight average molecular weight of 150,000 or more, the amount of the propylene-based resin (B) is 3 to 50 parts by mass per 100 parts by mass of the propylene-based resin (A), and the total content rate of the propylene-based resin (A) and the propylene-based resin (B) is 0.3 to 5% by mass in the whole reinforcing fiber bundle; and a molding material comprising the reinforcing fiber bundle and a matrix resin.

Abstract: Modified polyolefin particles are obtained by grafting a monomer having an ethylenically unsaturated group and a polar functional group in the same molecule to a polymer including one, or two or more specific ?-olefins and having a specific melting point, the modified polyolefin particles satisfying the following requirements (1) to (3): (1) the amount of grafting x by the monomer is not less than 0.5 wt % and not more than 20 wt %; (2) the x (wt %) and the intrinsic viscosity [?] (dl/g) measured in decalin at 135° C. satisfy the relation: log10[?]?0.1?0.15x; and (3) the particles have a gel content of less than 1 wt %.

Abstract: Disclosed are a laminate having a laminated structure of five or more layers wherein each layer is a resin impregnated fiber reinforced composition layer in which fibers are oriented unidirectionally, the resin in the resin impregnated fiber reinforced composition layer is an olefin-based polymer having the melting point or the glass-transition temperature of 50 to 300° C., and the shape of the laminate can be easily controlled by melt press molding; and a tape winding pipe excellent in balance between bending rigidity and compressive rigidity.

Abstract: Disclosed are: a reinforcing fiber bundle with excellent mechanical property and handling property, which contains a propylene-based resin (A), a propylene-based resin (B) comprising at least a carboxylic acid salt bonded to the polymer chain, and a reinforcing fiber (C) wherein the propylene-based resin (A) comprises more than 70% by mass but not more than 100% by mass of a component (A-1) having a weight average molecular weight of 150,000 or more, the amount of the propylene-based resin (B) is 3 to 50 parts by mass per 100 parts by mass of the propylene-based resin (A), and the total content rate of the propylene-based resin (A) and the propylene-based resin (B) is 0.3 to 5% by mass in the whole reinforcing fiber bundle; and a molding material comprising the reinforcing fiber bundle and a matrix resin.

Abstract: Disclosed are a reinforcing fiber bundle composed of a carbon fiber bundle treated with an emulsion; a carbon fiber reinforced thermoplastic resin molded body using the same; and a method for producing a reinforcing fiber bundle; wherein the emulsion contains a modified polyolefin (A1) comprising at least a metal carboxylate bonded to the polymer chain, and 0.1 to 5,000 moles of an amine compound (B) represented by the following general formula (1), per one mole of the carboxylate group in the modified polyolefin (A1); R—NH2??(1) wherein the formula (1), R is a hydrogen atom or a hydrocarbon group having 1 to 10 carbon atoms.

Abstract: An object of the invention is to provide modified polyolefin particles which have a satisfactory amount of grafting and a sufficient molecular weight, are substantially free from gels, and exhibit excellent handleability and workability when shaped or mixed with various resins. The particles include a modified polyolefin obtained by grafting a monomer having an ethylenically unsaturated group and a polar functional group in the same molecule to a polymer including one, or two or more ?-olefins selected from C2-18 ?-olefins and having a melting point of not less than 50° C. and less than 250° C., the modified polyolefin particles satisfying the following requirements (1) to (3): (1) the amount of grafting x by the monomer having an ethylenically unsaturated group and a polar functional group in the same molecule is not less than 0.5 wt % and not more than 20 wt %; (2) the amount of grafting x (wt %) and the intrinsic viscosity [i](dl/g) measured in decalin at 135° C. satisfy the relation: log10[?]?0.1?0.

Abstract: In a complex of the invention, a resin member made of a resin material including a polyolefin and a metal member are joined together through a primer layer. In addition, the resin member is obtained by molding the resin material by injection, a coexistence layer in which a primer resin material configuring the primer layer and the resin material coexist is formed between the primer layer and the resin member, and a thickness of the coexistence layer is in a range of more than or equal to 5 nm and less than or equal to 50 nm.

Abstract: In a complex of the invention, a resin member made of a resin material including a polyolefin and a metal member are joined together through a primer layer. In addition, the resin member is obtained by molding the resin material by injection, a coexistence layer in which a primer resin material configuring the primer layer and the resin material coexist is formed between the primer layer and the resin member, and a thickness of the coexistence layer is in a range of more than or equal to 5 nm and less than or equal to 50 nm.

Abstract: A process for the production of polyolefin pellets by cuffing a raw material which contains a molten polyolefin resin and which is extruded from an extrusion orifice (121) of a die (12) into predetermined lengths with an underwater cutter (14) which is set in close vicinity to the die face of the die (12) and which rotates in water, satisfying the following requirements (A) to (C): (A) the average linear velocity (u) of the raw material passing through the extrusion orifice (121) as defined by the equation (Eq-1) is 50 to 650 mm/sec, (B) the fictitious aspect ratio (r) as defined by the equation (Eq-2) is 1.6 or below, and (C) the r/u value is 0.002 or above wherein Q is extrusion rate (mm3/sec) of the raw material per extrusion orifice; R is radius (mm) of the extrusion orifice; and t is cutting time (sec) defined as an inverse number of the product of the number of revolution of the under-water cutter and the number of blades of the cutter.

Abstract: A process for the production of polyolefin pellets by cuffing a raw material which contains a molten polyolefin resin and which is extruded from an extrusion orifice (121) of a die (12) into predetermined lengths with an underwater cutter (14) which is set in close vicinity to the die face of the die (12) and which rotates in water, satisfying the following requirements (A) to (C): (A) the average linear velocity (u) of the raw material passing through the extrusion orifice (121) as defined by the equation (Eq-1) is 50 to 650 mm/sec, (B) the fictitious aspect ratio (r) a L as defined by the equation (Eq-2) is 1.6 or below, and (C) the r/u value is 0.002 or above wherein Q is extrusion rate (mm3/sec) of the raw material per extrusion orifice; R is radius (mm) of the extrusion orifice; and t is cutting time (sec) defined as an inverse number of the product of the number of revolution of the under-water cutter and the number of blades of the cutter.

Abstract: An olefinic thermoplastic elastomer foam of the present invention has a density of less than 700 kg/m3, a compression set of less than 60% and a density of elastically effective chains v of preferably 3.0×10−5 to 2.0×10−4 (mol/cm3). An olefinic thermoplastic elastomer composition for preparing the above foam has an equilibrium creep compliance Je0 of 1.0×10−6 to 5.0×10−4 (Pa−1) and contains a crosslinked olefin rubber and an olefin plastic in a specific proportion. The olefinic thermoplastic elastomer composition can be prepared by melt kneading a specific crosslinked olefinic thermoplastic elastomer and a specific olefin plastic.