Abstract: A polycarbonate resin composition or a copolymer, comprising, as main repeating units, a carbonate unit (a-1) having a fluorene ring in a side chain, a carbonate unit (a-2) represented by the following formula (a-2): (wherein W represents an alkylene group having 1 to 20 carbon atoms or a cycloalkylene group having 6 to 20 carbon atoms, R represents a branched or linear-chain alkyl group having 1 to 20 carbon atoms or a cycloalkyl group having 6 to 20 carbon atoms optionally having a substituent, and u represents an integer of 0 to 3), and a carbonate unit (a-3) derived from 2,2-bis(4-hydroxyphenyl)propane, wherein 1) a molar ratio of the carbonate unit (a-1) to the carbonate unit (a-2) is from 50/50 to 80/20, and 2) a molar ratio of the total of the carbonate unit (a-1) and the carbonate unit (a-2) to the carbonate unit (a-3) is from 1:99 to 70:30. This polycarbonate resin composition or copolymer has excellent heat resistance, transparency, and bending resistance and has low retardation.

Abstract: A vehicle component includes a body, a first beam, and a second beam. The body has a first fixture region and a second fixture region. The first beam is formed of a first composite material and has a first beam shape. The first beam is attached to the body and extends between the first fixture region and the second fixture region of the body. The second beam is formed of a second composite material and has a second beam shape that is simple compared to the first beam shape. The second beam is attached to the body and extends between the first fixture region and the second fixture region of the body.

Abstract: The present disclosure provides a substrate for a liquid filter, including: a polyolefin microporous membrane, in which a mean flow pore size in a pore size distribution of the polyolefin microporous membrane measured by a half dry method according to gas-liquid phase substitution is from 1 nm to 50 nm, a calcium content in the polyolefin microporous membrane is 2,000 ppb or less, and a ratio of a tensile elongation in a longitudinal direction (MD) to a tensile elongation in a width direction (TD) perpendicular to the longitudinal direction (MD/TD tensile elongation ratio) of the polyolefin microporous membrane is from 0.47 to less than 0.96 or from more than 1.25 to 7.

Abstract: A separator for a non-aqueous secondary battery, the separator including a porous substrate, and an adhesive layer that is provided on one side or on both sides of the porous substrate, and that contains at least one selected from the group consisting of: (i) adhesive resin particles containing a phenyl group-containing acrylic type resin and a polyvinylidene fluoride type resin, and (ii) a mixture of adhesive resin particles containing a phenyl group-containing acrylic type resin and adhesive resin particles containing a polyvinylidene fluoride type resin

Abstract: Provided is a separator for a non-aqueous secondary battery, the separator contains a porous substrate and an adhesive porous layer that contains a polyvinylidene fluoride type resin and a filler, in which a Gurley value of the separator is from 50 sec/100 mL to 200 sec/100 mL, and when differential scanning calorimetry is performed with all of the polyvinylidene fluoride type resin contained in the adhesive porous layer as a sample, two or more endothermic peaks and/or two or more exothermic peaks are observed.

Abstract: An object of the present invention is to provide an insulation sheet having high thermal conductivity in the in-plane direction. The present invention provides an insulation sheet comprising insulating particles and a binder resin, wherein, for the entire cross-section of the sheet perpendicular to the in-plane direction, the insulation sheet contains 75 to 97% by area of the insulating particles, 3 to 25% by area of the binder resin, and 10% by area or less of the voids.

Abstract: The present invention provides an electrode sheet for a lithium ion secondary battery containing at least a lithium ion battery active material, fibrous carbon, and a fluorine-based polymer. This electrode sheet for a lithium ion secondary battery is characterized by having the film thickness of 50-2000 (?m), the tensile breaking strength of at least 0.2 (N/mm2), the average fiber diameter of the fibrous carbon of 100-900 (nm), and the fibrous carbon content of 0.1-10 (mass %) in the electrode sheet.

Abstract: A separator for a non-aqueous secondary battery, the separator including a heat-resistant porous layer that contains an aromatic type resin and inorganic particles, and an adhesive layer that is provided on the heat-resistant porous layer, and that contains adhesive resin particles having a phenyl group-containing acrylic type resin, in which the adhesive resin particles having a phenyl group-containing acrylic type resin are adhered to the heat-resistant porous layer.

Abstract: Problems of high impact resistance and “warpage” of a molded body are solved by a method for producing a molded body, including: using a mold MA and a mold MB, which are a pair of male and female molds, to compression-mold a material A and a material B in contact with the mold MA and the mold MB, respectively, in which the material A contains a carbon fiber and a thermoplastic resin M1, and the material B contains a glass fiber and a thermoplastic resin M2, the molded body includes a pair of side walls and a connecting wall that is connected to the side walls, the molded body has a wave shape in cross section, and a relationship between a flatness Fa of the molded body and a height h of the side wall satisfies 0?Fa/h<1.3.

Abstract: With the present invention a carbon fiber aggregate is provided that has an average fiber diameter of 100-1000 nm, and a fiber diameter variation coefficient (CV value) greater than 0.5 and less than or equal to 1.0.

Abstract: The present invention provides a self-adhesive prepreg which is characterized by comprising: a base prepreg that is composed of reinforcing fibers and a thermosetting resin composition (I), some or all of which is impregnated into a reinforcing fiber layer that is formed of the reinforcing fibers; an adhesive layer that is composed of a nonwoven fabric which is laminated on at least one surface of the base prepreg so as to be integrated with the base prepreg and a thermosetting resin composition (II) which is laminated on the surface of the nonwoven fabric so as to be integrated with the nonwoven fabric.

Abstract: A laminated film (10A) has a polyolefin microporous membrane (20) and a porous support layer (30), in which the polyolefin microporous membrane (20) and the porous support layer (30) are bonded to each other by bonding parts (40) that contain a thermoplastic resin and are scattered, and the laminated film has a Gurley value of from 5 sec/100 mL to 100 sec/100 mL.

Abstract: Provided is a thermoplastic resin prepreg comprising a fiber-reinforced substrate and a thermoplastic resin composition partially or completely impregnated in the fiber-reinforced substrate, the thermoplastic resin prepreg being characterized in that the thermoplastic resin composition contains at least 50 [mass %] of polyether ether ketone among all the thermoplastic resins contained in the thermoplastic resin composition, and the sum of the crystallinity WC [%] of the thermoplastic resin composition and the rigid amorphous component proportion WRAP [%] in the thermoplastic resin composition is in the range of 51 to 100 [%].

Abstract: A laminated film (10A) has a polyolefin microporous membrane (20) and a porous support layer (30), in which the polyolefin microporous membrane (20) and the porous support layer (30) are bonded to each other by bonding parts (40) that contain a thermoplastic resin and are scattered, and the laminated film has a bubble point of from 20 kPa to 900 kPa.

Abstract: A fiber-reinforced composite material contains a resin cured product obtained by curing an epoxy resin composition containing a curing agent A, a curing agent B, a curing agent C, an epoxy resin D, an epoxy resin E, and resin particles F, and a stitched reinforcing fiber base material. The fiber-reinforced composite material enables a fiber-reinforced composite material to be provided that achieves high productivity, and exhibits heat resistance and mechanical properties while using an epoxy resin composition that has low viscosity, a long pot life, and fast curability.

Abstract: Provided is a separator for a non-aqueous secondary battery, the separator contains a porous substrate and an adhesive porous layer that is provided on one side or on both sides of the porous substrate, and that contains a polyvinylidene fluoride type resin and a filler, in which a volume ratio of the filler in the adhesive porous layer excluding pores is from 30% by volume to 67% by volume, and when differential scanning calorimetry is performed with all of the polyvinylidene fluoride type resin contained in the adhesive porous layer as a sample, two or more endothermic peaks and/or two or more exothermic peaks are observed.

Abstract: The present invention provides a reusable medical box which has excellent mechanical properties, chemical resistance, heat resistance, and needle-penetration resistance. The medical box of the present invention is a reusable medical box consisting of a polycarbonate resin composition comprising, based on a total of 100 parts by weight of (A) a polycarbonate-based resin (component A) and (B) a polyolefin-based resin (component B), 1 to 30 parts by weight of (C) a styrene-based thermoplastic elastomer (component C).

Abstract: Provided are: heat-resistant high-toughness fibers and film that have excellent balance of physical properties regarding strength, degree of elongation, and heat resistance. The heat-resistant high-toughness fibers according to the present invention are characterized by having a breaking strength of 3.5-15 cN/dtex, an elongation at break of 5-30%, and a melting point of at least 290° C. A production method for heat-resistant high-toughness fibers according to the present invention is characterized by using, in a yarn material, a copolymerized aramid polymer containing at least three types of monomeric units selected from the group consisting of meta-phenylenediamine, para-phenylenediamine, isophthaloyl, and terephthaloyl.

Abstract: Provided is a separator for a non-aqueous secondary battery, the separator contains a porous substrate and an adhesive porous layer that is provided on one side or on both sides of the porous substrate, and that contains a polyvinylidene fluoride type resin and a filler, in which the porous substrate contains a fluorine atom, and when differential scanning calorimetry is performed with all of the polyvinylidene fluoride type resin contained in the adhesive porous layer as a sample, two or more endothermic peaks and/or two or more exothermic peaks are observed.

Abstract: Provided is a binder for use in an electrode layer or separator for a lithium-ion secondary battery, wherein the binder is unlikely to cause powder removal and does not completely cover the surface of the active material particles when used in an electrode layer as a binder. The binder of the present invention is a binder for a non-aqueous secondary battery, the binder comprising a fibrid of an aromatic polyamide, wherein the fibrid swells and is not dissolved in an N-methyl-2-pyrrolidone solvent in which an alkali metal salt and/or an alkaline earth metal salt is present at a concentration of 1,000 ppm or less, and is completely dissolved in an N-methyl-2-pyrrolidone solvent in which an alkali metal salt and/or an alkaline earth metal salt is present at a concentration of 10,000 ppm or more.