Abstract: Disclosed is a molded article, and more particularly a molded article for a vehicle interior material including a thermoplastic resin composition having reduced birefringence while maintaining the superior transmittance and impact strength of existing polycarbonate resin by including a first resin including a polycarbonate resin and a second resin having a difference in refractive index of 0.05 or less from the first resin and a transmittance of 90% or more.

Abstract: Disclosed is a molded article, and more particularly a molded article for a vehicle interior material including a thermoplastic resin composition having reduced birefringence while maintaining the superior transmittance and impact strength of existing polycarbonate resin by including a first resin including a polycarbonate resin and a second resin having a difference in refractive index of 0.05 or less from the first resin and a transmittance of 90% or more.

Abstract: The present invention relates to a method for producing foam and foam produced thereby. The method for producing foam includes a step for producing foam by kneading and injection molding a first extrusion product and a second extrusion product, wherein the first extrusion product is obtained by extruding a first composition including an aromatic vinyl-based resin, and the second extrusion product is obtained by extruding a second composition including a polyamide resin and a foaming agent.

Abstract: The present invention relates to a method for producing foam and foam produced thereby. The method for producing foam includes a step for producing foam by kneading and injection molding a first extrusion product and a second extrusion product, wherein the first extrusion product is obtained by extruding a first composition including an aromatic vinyl-based resin, and the second extrusion product is obtained by extruding a second composition including a polyamide resin and a foaming agent.

Abstract: The present invention relates to a conductive polyamide/polyphenylene ether resin composition and an automotive molded article manufactured therefrom. The conductive polyamide/polyphenylene ether resin composition comprises: (a) a base resin comprising (a-1) polyphenylene ether and (a-2) polyamide; (b) a modified polyolefin based resin; (c) an impact modifier; (d) a compatibilizer; and (e) a conductive filler, and the conductive polyamide/polyphenylene ether resin composition is formed in a domain phase and a matrix phase, wherein the domain phase comprises (a-1) the polyphenylene ether and (c) the impact modifier and the matrix phase comprises (a-2) the polyamide and (b) the modified polyolefin based resin, (e) the conductive filler being dispersed on the domain phase and the matrix phase and the content of the conductive filler dispersed on the matrix phase being higher than that of the conductive filler dispersed on the domain phase.

Abstract: The present invention relates to a conductive polyamide/polyphenylene ether resin composition and an automotive molded article manufactured therefrom. The conductive polyamide/polyphenylene ether resin composition comprises: (a) a base resin comprising (a-1) polyphenylene ether and (a-2) polyamide; (b) a modified polyolefin based resin; (c) an impact modifier; (d) a compatibilizer; and (e) a conductive filler, and the conductive polyamide/polyphenylene ether resin composition is formed in a domain phase and a matrix phase, wherein the domain phase comprises (a-1) the polyphenylene ether and (c) the impact modifier and the matrix phase comprises (a-2) the polyamide and (b) the modified polyolefin based resin, (e) the conductive filler being dispersed on the domain phase and the matrix phase and the content of the conductive filler dispersed on the matrix phase being higher than that of the conductive filler dispersed on the domain phase.

Abstract: An electrically conductive polyamide/polyphenylene ether resin composition and a molded article for vehicles using the same. The resin composition includes a polyphenylene ether; a polyamide; an olefin-based polymer; an impact modifier; a compatibilizer; and carbon fibrils, wherein the polyphenylene ether and the impact modifier form domains, and the polyamide, the olefin-based polymer and the carbon fibrils form a matrix, the domains including about 90 vol % or more of domain particles having a particle diameter of about 0.1 ?m to about 2.0 ?m, and wherein the electrically conductive polyamide/polyphenylene ether resin composition has a surface resistance of about 108?/? or less as measured on a specimen having a size of about 100 mm×about 100 mm×about 0.5 mm under conditions of about 23° C. and about 50% relative humidity (RH).

Abstract: A thermoplastic resin composition comprises (A) a polycarbonate resin; (B) a rubber-modified aromatic vinyl copolymer that includes a rubbery polymer having an average particle size of about 0.5 to about 20 ?m; and (C) metal particles. A molded article can be prepared using the composition.

Abstract: A thermoplastic resin composition comprises (A) a polycarbonate resin; (B) a rubber-modified aromatic vinyl copolymer; (C) a branched copolymer that includes a silicon compound having two or more unsaturated radicals; and (D) metal particles. A molded product can be prepared using the composition.

Abstract: Disclosed herein are a thermoplastic resin composition and a molded article formed of the same. The thermoplastic resin composition includes: a base resin comprising a polycarbonate resin, and first and second vinyl-modified graft copolymers comprising rubbery polymers having different average indexes of refraction respectively; and metal particles, wherein a difference between the average indexes of refractions of the rubbery polymers is greater than or equal to about 0.02.

Abstract: The present invention relates to a painted molding article in which a paint composition is painted in a molding part formed of an injection molding thermoplastic resin composition, and the injection molding thermoplastic resin composition comprises: (a) a base resin including polyamide (a-1) and polyphenylene ether (a-2); (b) an impact modifier; and (c) a carbon fibril, wherein the polyamide (a-1) forms a matrix phase of the injection molding thermoplastic resin composition, the polyphenylene ether (a-2) and the impact modifier (b) form a domain phase of the injection molding thermoplastic resin composition, the carbon fibril (c) is dispersed on the domain phase and the matrix phase, the content of the carbon fibril (c) dispersed on the matrix phase is higher than the content of the carbon fibril (c) dispersed on the domain phase, and the ratio of weight of the carbon fibril (c) to weight of the polyamide (a-1) may be 0.006 to 0.03.

Abstract: The present invention relates to a conductive polyamide/polyphenylene ether resin composition and an automotive molded article manufactured therefrom. The conductive polyamide/polyphenylene ether resin composition comprises: (a) a base resin comprising (a-1) polyphenylene ether and (a-2) polyamide; (b) a modified polyolefin based resin; (c) an impact modifier; (d) a compatibilizer; and (e) a conductive filler, and the conductive polyamide/polyphenylene ether resin composition is formed in a domain phase and a matrix phase, wherein the domain phase comprises (a-1) the polyphenylene ether and (c) the impact modifier and the matrix phase comprises (a-2) the polyamide and (b) the modified polyolefin based resin, (e) the conductive filler being dispersed on the domain phase and the matrix phase and the content of the conductive filler dispersed on the matrix phase being higher than that of the conductive filler dispersed on the domain phase.

Abstract: An electrically conductive polyamide/polyphenylene ether resin composition and a molded article for vehicles using the same. The resin composition includes a polyphenylene ether; a polyamide; an olefin-based polymer; an impact modifier; a compatibilizer; and carbon fibrils, wherein the polyphenylene ether and the impact modifier form domains, and the polyamide, the olefin-based polymer and the carbon fibrils form a matrix, the domains including about 90 vol % or more of domain particles having a particle diameter of about 0.1 ?m to about 2.0 ?m, and wherein the electrically conductive polyamide/polyphenylene ether resin composition has a sheet resistance of about 108?/? or less as measured on a specimen having a size of about 100 mm×about 100 mm×about 0.5 mm under conditions of about 23° C. and about 50% relative humidity (RH).

Abstract: A thermoplastic resin composition comprises (A) a polycarbonate resin; (B) a rubber-modified aromatic vinyl copolymer that includes a rubbery polymer having an average particle size of about 0.5 to about 20 ?m; and (C) metal particles. A molded article can be prepared using the composition.

Abstract: A thermoplastic resin composition comprises (A) a polycarbonate resin; (B) a rubber-modified aromatic vinyl copolymer; (C) a branched copolymer that includes a silicon compound having two or more unsaturated radicals; and (D) metal particles. A molded product can be prepared using the composition.

Abstract: Provided is a mixer including a mixing unit configured to mix high frequency data signals and local oscillation (LO) signals, generate first and second low frequency data signals, and output the first and second low frequency data signals to first and second output terminals, respectively; a common mode amplification unit coupled to the mixing unit, the common mode amplification unit configured to compare a common mode voltage of the first and second low frequency data signals and a predetermined reference voltage, the common mode amplification unit further configured to output a feedback signal at a control node based on the comparison; a first load transistor coupled to the first output terminal and the control node, the first load transistor configured to provide the first output terminal with a first load current corresponding to the feedback signal; a first calibration transistor unit connected in parallel to the first load transistor in order to calibrate an input impedance of the first output terminal;

Abstract: A signal converter includes a signal converting unit and a compensation unit. The signal converting unit generates intermediate differential signals at intermediate nodes in response to a single-ended signal. The compensation unit generates compensated differential signals at output nodes by minimizing phase and amplitude mismatch errors between the intermediate differential signals. The compensation unit includes a pair of transistors and a pair of capacitors configured in symmetry between the intermediate and output nodes. The signal converter of the present invention may be used to particular advantage in an RF receiver.

Abstract: Provided is a mixer including a mixing unit configured to mix high frequency data signals and local oscillation (LO) signals, generate first and second low frequency data signals, and output the first and second low frequency data signals to first and second output terminals, respectively; a common mode amplification unit coupled to the mixing unit, the common mode amplification unit configured to compare a common mode voltage of the first and second low frequency data signals and a predetermined reference voltage, the common mode amplification unit further configured to output a feedback signal at a control node based on the comparison; a first load transistor coupled to the first output terminal and the control node, the first load transistor configured to provide the first output terminal with a first load current corresponding to the feedback signal; a first calibration transistor unit connected in parallel to the first load transistor in order to calibrate an input impedance of the first output terminal;

Abstract: A signal converter includes a signal converting unit and a compensation unit. The signal converting unit generates intermediate differential signals at intermediate nodes in response to a single-ended signal. The compensation unit generates compensated differential signals at output nodes by minimizing phase and amplitude mismatch errors between the intermediate differential signals. The compensation unit includes a pair of transistors and a pair of capacitors configured in symmetry between the intermediate and output nodes. The signal converter of the present invention may be used to particular advantage in an RF receiver.

Abstract: A variable bandwidth, distributed amplifier circuit includes an input transmission line; an output transmission line; and a plurality of amplifier cells having a respective plurality of cell inputs distributed along the input transmission line and cell outputs distributed along said output transmission line. Each amplifier cell comprises a cascode amplifier having an input transistor, an output transistor, and a variable impedance device in a circuit branch coupled to a gate of the output transistor. The impedance of the variable impedance device is responsive to a variable bias control signal.