Abstract: The present disclosure relates to a composition for a worm wheel having excellent durability and moisture absorption resistance and a worm wheel manufactured using the same. In one embodiment, the composition for a worm wheel includes about 30 wt % to about 70 wt % of a polyketone copolymer and about 30 wt % to about 70 wt % of a polyamide resin, and the composition for a worm wheel has a friction coefficient of about 0.3 or less as measured in accordance with JIS K7218, an abrasion loss of about 0.002 g or less as measured in accordance with JIS K7218, and a moisture absorption rate of about 4% or less as measured in accordance with ASTM D570 (23° C. and 50 RH %).

Abstract: A thermoplastic resin composition includes a thermoplastic resin comprising a polycarbonate resin; inorganic fillers; and a sulfonate represented by Formula 1: wherein R1 is a C6 to C30 hydrocarbon group. The thermoplastic resin composition can have excellent impact resistance, rigidity, flame retardance, physical property balance therebetween, and the like.

Abstract: The present invention relates to a gas barrier film and a manufacturing method therefor, the gas barrier film comprising: a base; and a barrier layer formed on one surface of the base, wherein the barrier layer has a nitrogen (N) atomic percent of about 1% to about 6%. The gas barrier film, according to the present invention, has an excellent gas barrier property, scratch resistant property, flexibility, transparency and crack prevention effect, and the method for manufacturing the same can be performed by non-vacuum wet coating, and thus a manufacturing time is short, and process performance is excellent.

Abstract: A thermoplastic resin composition includes a thermoplastic resin including a polycarbonate resin; a siloxane compound represented by Formula 1; and surface-modified hydrophobic silica: wherein R1 and R2 are the same or different and are each independently C1 to C5 alkyl; R3 and R4 are the same or different and are each independently C2 to C10 alkylene; A1 and A2 are the same or different and are each independently a glycidoxy group, an epoxy group, an amine group, a hydroxyl group, a hydrogen atom, a vinyl group, a (meth)acryloyl group, or an aryl group; and n is an integer from 2 to 80. The thermoplastic resin composition can exhibit excellent properties in terms of impact resistance, heat resistance, scratch resistance, surface gloss, mar resistance, and the like.

Abstract: A thermoplastic resin composition includes a thermoplastic resin comprising a polycarbonate resin; inorganic fillers; and a sulfonate represented by Formula 1: wherein R1 is a C6 to C30 hydrocarbon group. The thermoplastic resin composition can have excellent impact resistance, rigidity, flame retardance, physical property balance therebetween, and the like.

Abstract: A polycarbonate resin composition includes a polycarbonate resin; an inorganic filler, wherein the inorganic filler includes talc; and a novel silane compound represented by Formula 1: wherein R1 is C6 to C30 alkyl, R2 is a C6 to C30 hydrocarbon group, R3 is hydrogen or C1 to C5 alkyl, and n has an average value from about 0.1 to about 3. The polycarbonate resin composition can have excellent impact resistance with minimal or no reduction in molecular weight of the polycarbonate resin.

Abstract: A thermoplastic resin composition includes a thermoplastic resin including a polycarbonate resin; a siloxane compound represented by Formula 1; and surface-modified hydrophobic silica: wherein R1 and R2 are the same or different and are each independently C1 to C5 alkyl; R3 and R4 are the same or different and are each independently C2 to C10 alkylene; A1 and A2 are the same or different and are each independently a glycidoxy group, an epoxy group, an amine group, a hydroxyl group, a hydrogen atom, a vinyl group, a (meth)acryloyl group, or an aryl group; and n is an integer from 2 to 80. The thermoplastic resin composition can exhibit excellent properties in terms of impact resistance, heat resistance, scratch resistance, surface gloss, mar resistance, and the like.

Abstract: A polycarbonate resin composition includes a polycarbonate resin; an inorganic filler, wherein the inorganic filler includes talc; and a novel silane compound represented by Formula: wherein R1 is C6 to C30 alkyl, R2 is a C6 to C30 hydrocarbon group, R3 is hydrogen or C1 to C5 alkyl, and n has an average value from about 0.1 to about 3. The polycarbonate resin composition can have excellent impact resistance with minimal or no reduction in molecular weight of the polycarbonate resin.

Abstract: Disclosed herein are carbon nanotubes and a method of manufacturing the same. The carbon nanotubes include at least one element selected from aluminum (Al), magnesium (Mg) and silicon (Si) and at least one metal selected from cobalt (Co), nickel (Ni), iron (Fe), manganese (Mn) and molybdenum (Mo), and have an intensity ratio (ID/IG) of about 1.10 or less as measured by Raman spectroscopy and a carbon purity of about 98% or higher. The carbon nanotubes prepared by the method can be controlled in terms of carbon purity and preparation yield while eliminating the need for post-refining treatment.

Abstract: Disclosed herein is a methacrylic resin prepared using a mercaptan and a lactam as an initiation system. The methacrylic resin includes an alkyl(meth)acrylate unit and a (meth)acrylamide unit, and has a weight average molecular weight of about 50,000 g/mol to about 500,000 g/mol and a glass transition temperature of about 125° C. to about 145° C.

Abstract: Polyarylene ether is polymerized using a dissolving agent including anisole, wherein the polyarylene ether includes about 1 to about 3,000 ppm of anisole.

Abstract: Polyarylene ether is polymerized using a dissolving agent including anisole, wherein the polyarylene ether includes about 1 to about 3,000 ppm of anisole.

Abstract: A process for the preparation of a blend of ABS polymers is disclosed. The invention comprises introducing a core/shell grafted rubber in the form of powder (crumb) to at least one stage of the continuous mass polymerization process for making an ABS polymer.

Abstract: A continuous process for the manufacture of impact resistant polymers is disclosed. The process comprise polymerization of a reaction mixture containing vinylaromatic monomers in the presence of soluble rubber and entails shearing at least some of said mixture at a rate of more than 30000 1/s using a device having no rotating parts. The resulting product is characterized in its low gloss and improved impact properties.