Abstract: A metal-clad laminate and techniques using the metal-clad laminate are provided where the metal-clad laminate has excellent adhesiveness between a substrate and metal foil in addition to good dielectric characteristics and heat resistance. The metal-clad laminate includes an insulating layer in contact with metal foil where the insulating layer further includes a resin composition and a fibrous base material. The resin composition contains a specific resin (A) and specific core-shell polymer particles (B), and a surface of the metal foil has a ten-point average roughness (Rz) of not more than 2.0 ?m.

Abstract: A solvent composition includes an organic solvent including one or more organic solvents (A) and one or more organic solvents (B), and one or more types of core-shell polymer particles each comprising a core layer and a shell layer. The organic sol vents (A) have a polar teen ?p of a Hansen solubility parameter of less than 11 and a hydrogen bond term ?h of less than 10, and the organic solvents (B) satisfy at least one of 11 or more of the polar term ?p or 10 or more of the hydrogen bond term ?h. A weight ratio of (A) to (B) ranges from 15:85 to 95:5. Based on a total weight of the solvent composition, a content of the core-shell polymer particles is 20 to 40% by weight and a water content is 1% by weight or less.

Abstract: A viscosity modifier for a condensation polymer may include a chain extender comprising at least one reactive monomer and at least one vinyl monomer copolymerizable with the reactive monomer, the chain extender being present in an amount ranging from 15 to 70 wt % of the viscosity modifier; and a non-condensation carrier resin present in an amount ranging from 30 to 85 wt % of the viscosity modifier. Condensation polymer compositions, methods of forming viscosity modifiers, and methods of molding condensation polymer compositions are also provided.

Abstract: A metal-clad laminate and techniques using the metal-clad laminate are provided where the metal-clad laminate has excellent adhesiveness between a substrate and metal foil in addition to good dielectric characteristics and heat resistance. The metal-clad laminate includes an insulating layer in contact with metal foil where the insulating layer further includes a resin composition and a fibrous base material. The resin composition contains a specific resin (A) and specific core-shell polymer particles (B), and a surface of the metal foil has a ten-point average roughness (Rz) of not more than 2.0 ?m.

Abstract: It is possible to enhance flowability of a polycarbonate resin during molding of the polycarbonate resin without impairment of inherent properties of the polycarbonate resin by blending a flowability enhancing agent and an antioxidant with the polycarbonate resin, the flowability enhancing agent including polyester which is a polycondensate of a monomer mixture, the monomer mixture being a mixture of monomers (A), (B), and (C), which are biphenol (A), bisphenol (B), and dicarboxylic acid (C), respectively, the monomer mixture containing the biphenol (A) in an amount of 0 mol % to 55 mol %, the bisphenol (B) in an amount of 5 mol % to 60 mol %, and the dicarboxylic acid (C) in an amount of 40 mol % to 60 mol %, with respect to 100 mol % of a total amount of the monomers (A), (B), and (C), and the polyester having terminals 60% or more of which are sealed with a terminal sealing agent having a number average molecular weight of not less than 160.

Abstract: A solvent composition includes an organic solvent including one or more organic solvents (A) and one or more organic solvents (B), and one or more types of core-shell polymer particles each comprising a core layer and a shell layer. The organic sol vents (A) have a polar teen ?p of a Hansen solubility parameter of less than 11 and a hydrogen bond term ?h of less than 10, and the organic solvents (B) satisfy at least one of 11 or more of the polar term ?p or 10 or more of the hydrogen bond term ?h. A weight ratio of (A) to (B) ranges from 15:85 to 95:5. Based on a total weight of the solvent composition, a content of the core-shell polymer particles is 20 to 40% by weight and a water content is 1% by weight or less.

Abstract: It is possible to enhance flowability of a polycarbonate resin during molding of the polycarbonate resin without impairment of inherent properties of the polycarbonate resin by blending a flowability enhancing agent and an antioxidant with the polycarbonate resin, the flowability enhancing agent including polyester which is a polycondensate of a monomer mixture, the monomer mixture being a mixture of monomers (A), (B), and (C), which are biphenol (A), bisphenol (B), and dicarboxylic acid (C), respectively, the monomer mixture containing the biphenol (A) in an amount of 0 mol % to 55 mol %, the bisphenol (B) in an amount of 5 mol % to 60 mol %, and the dicarboxylic acid (C) in an amount of 40 mol % to 60 mol %, with respect to 100 mol % of a total amount of the monomers (A), (B), and (C), and the polyester having terminals 60% or more of which are sealed with a terminal sealing agent having a number average molecular weight of not less than 160.

Abstract: Provided is a polycarbonate resin composition containing a polycarbonate resin whose flowability during molding of the polycarbonate resin is enhanced, without loss of properties such as transparency, mechanical strength, and heat resistance, by adding, to the polycarbonate resin, a polycarbonate oligomer and a flowability enhancing agent which is obtained through polycondensation of a monomer mixture containing a bisphenol component and a dicarboxylic acid and, optionally, biphenol component. Further provided is a molded article obtained from the polycarbonate resin composition.

Abstract: A resin composition in accordance with an embodiment of the present invention includes an engineering resin, a graft copolymer, and a flowability enhancing agent which includes a polyester obtained through polycondensation of bisphenol and dicarboxylic acid and, optionally, biphenol in specific proportions. The resin composition has melt flowability improved without loss of an excellent plating property of the graft copolymer and without loss of an excellent property of the engineering resin.

Abstract: A method of improving flowability of polycarbonate or polyarylate includes mixing the polycarbonate or the polyarylate with a flowability improver including a polyester. The polyester is a polycondensate of monomers including a bisphenol component (B) and a dicarboxylic acid component (C) at a molar ratio satisfying (B):(C)=45:55-55:45. The polyester includes a portion derived from the bisphenol component (B) and the dicarboxylic acid component (C) in an amount of 50 mol % or more.

Abstract: A resin composition includes: a curable compound (?); a curing agent (?); a liquid crystal polymer (?) that forms a liquid crystal phase at 190° C. or lower; and a filler (?). A liquid crystal polymer composition includes: (I) a compound having two or more epoxy groups in the molecule; (II) a curing agent; (III) a liquid crystal polymer that forms a liquid crystal phase at 190° C. or lower; (IV) a thermal conductive filler; and (V) a solvent. A curable resin composition includes: (A) a thermoplastic resin; (B) a curable resin; (C) a curing agent; (D) an elastomer; and (E) an inorganic filler.

Abstract: The present invention relates to: (i) a resin composition having excellent thermal conductivity and capable of being processed into a thin-walled and flexible molded article, the resin composition containing: (a) a resin consisting of 40 to 60 mol % of a unit (A) having a biphenyl group, and 5 to 40 mol % of a linear unit (B), and 5 to 40 mol % of a linear unit (C), where a thermal conductivity of the resin itself is not less than 0.4 W/(m·K); and (b) an inorganic filler having thermal conductivity of not less than 1 W/(m·K), (ii) a heat-dissipating or heat-transferring resin material containing the resin composition, and (iii) a thermally conductive membrane containing the resin composition.

Abstract: A method of improving flowability of polycarbonate or polyarylate includes mixing the polycarbonate or the polyarylate with a flowability improver including a polyester. The polyester is a polycondensate of monomers including a bisphenol component (B) and a dicarboxylic acid component (C) at a molar ratio satisfying (B):(C)=45:55?55:45. The polyester includes a portion derived from the bisphenol component (B) and the dicarboxylic acid component (C) in an amount of 50 mol % or more.

Abstract: The present invention relates to: (i) a resin composition having excellent thermal conductivity and capable of being processed into a thin-walled and flexible molded article, the resin composition containing: (a) a resin consisting of 40 to 60 mol % of a unit (A) having a biphenyl group, and 5 to 40 mol % of a linear unit (B), and 5 to 40 mol % of a linear unit (C), where a thermal conductivity of the resin itself is not less than 0.4 W/(m·K); and (b) an inorganic filler having thermal conductivity of not less than 1 W/(m·K), (ii) a heat-dissipating or heat-transferring resin material containing the resin composition, and (iii) a thermally conductive membrane containing the resin composition.

Abstract: A resin composition includes (A) a thermally-conductive organic additive including a liquid crystalline thermoplastic resin which has a mainly-chain structure, wherein a main chain of the liquid crystalline thermoplastic resin contains mainly a repeating unit represented by the general formula (1): -M-Sp-??(1) where M represents a mesogenic group and Sp represents a spacer, (B) a thermosetting resin; and (C) an inorganic filler.

Abstract: The thermoplastic resin in accordance with the present invention includes a unit (A) by 25 mol % to 60 mol %, the unit (A) having a biphenyl group, a linear unit (e.g., a linear aliphatic hydrocarbon chain) (B) by 25 mol % to 60 mol %, and a unit (C) by 1 mol % to 25 mol %, the unit (C) having a substituent selected from the group consisting of non-fused aromatic groups, fused aromatic groups, heterocyclic groups, alicyclic groups, and alicyclic heterocyclic groups, each of which has an effect of folding a main chain.

Abstract: A thermoplastic resin composition according to the present invention contains an inorganic filler and a thermoplastic resin whose main chain contains a repeating unit represented by the general formula (1): -M-Sp- . . . ??(1) wherein M represents a mesogenic group; and Sp represents a spacer.

Abstract: A resin composition includes (A) a thermally-conductive organic additive including a liquid crystalline thermoplastic resin which has a mainly-chain structure, wherein a main chain of the liquid crystalline thermoplastic resin contains mainly a repeating unit represented by the general formula (1): -M-Sp-??(1) where M represents a mesogenic group and Sp represents a spacer, (B) a thermosetting resin; and (C) an inorganic filler.

Abstract: A resin molded article of the present invention includes at least a resin and an inorganic filler that is in a plate form, a spheroidal form, or a fiber form, in a region of 50% or more of a volume of the resin molded article, the resin having resin molecular chains oriented in a thickness direction of the resin molded article and the inorganic filler having a long axis oriented in an in-plane direction of the resin molded article, the resin molecular chains having an orientation degree ? in a range of 0.6 or more and less than 1.0, the orientation degree being calculated by the following Formula (1), from a half-value width W obtained by wide-angle X-ray scattering measurement: orientation degree ?=(360°??W)/360°??(1), wherein W is a half-value width of a scattering peak between the resin molecular chains, in an intensity distribution in directions of azimuth angles in a range of 0° to 360° in the wide-angle X-ray scattering measurement.

Abstract: Provided is a thermoplastic resin which (A) remarkably improves thermal conductivity of a resin composition when a thermally conductive filler is added and (B) can be injection-molded even by use of a general injection-molding die. The thermoplastic resin is a resin wherein: a main chain which mainly has a specific repeating unit; and 60 mol % or more ends of molecular chains are carboxyl groups.