Abstract: The present invention relates to a thermoplastic resin composition, a method of preparing the same, and a molded part manufactured using the same. More specifically, the present invention provides a thermoplastic resin composition having excellent mechanical properties, such as tensile strength and impact strength, and weather resistance while having low gloss characteristics, a method of preparing the same, and a molded part manufactured using the same. According to the present invention, the thermoplastic resin composition includes an ASA graft copolymer having a core-shell structure having an average particle diameter of 0.05 to 1 ?m, an aromatic vinyl compound-vinyl cyanide compound copolymer, and an epoxy group-containing copolymer having a weight average molecular weight of 2,000 to 8,000 g/mol in specific amounts.

Abstract: A thermoplastic resin composition with low gloss and improved colorability, pencil hardness and wear resistance has (A) 5 to 35% by weight of a first graft copolymer having an average particle diameter of 50 to 150 nm and containing acrylate rubber as a core; (B) 10 to 40% by weight of a second graft copolymer having an average particle diameter of more than 150 nm and 800 nm or less and containing acrylate rubber as a core; (C) 5 to 15% by weight of an aromatic vinyl compound-vinyl cyanide compound copolymer having a weight average molecular weight of 70,000 to 130,000 g/mol; (D) 20 to 50% by weight of an aromatic vinyl compound-(meth)acrylate compound copolymer having a weight average molecular weight of 65,000 to 100,000 g/mol; and (E) 0.1 to 7% by weight of a syndiotactic polystyrene resin.

Abstract: Provided is a thermoplastic resin composition including: a first copolymer including an acrylic rubber-based graft copolymer and an emulsifier including a salt of a compound represented by Chemical Formula 1; a second copolymer including a unit derived from an alkyl acrylate-based monomer and a unit derived from an alkyl methacrylate-based monomer; and a third copolymer including a unit derived from an aromatic vinyl-based monomer and a unit derived from a vinyl cyan-based monomer.

Abstract: The present invention provides a method of preparing a graft copolymer, which comprises: emulsion-polymerizing one or more selected from the group consisting of an aromatic vinyl-based monomer to prepare a seed, a vinylcyano-based monomer and an alkyl (meth)acrylate-based monomer; emulsion-polymerizing the seed and an alkyl (meth)acrylate-based monomer to prepare a core; and emulsion-polymerizing the core, an aromatic vinyl-based monomer and a vinylcyano-based monomer to prepare a shell, wherein one or more steps selected from the group consisting of the steps of preparing the seed, the core and the shell comprises adding an emulsifier comprising a compound represented by Formula 1 below.

Abstract: A thermoplastic resin composition with low gloss and improved colorability, pencil hardness and wear resistance has (A) 5 to 35% by weight of a first graft copolymer having an average particle diameter of 50 to 150 nm and containing acrylate rubber as a core; (B) 10 to 40% by weight of a second graft copolymer having an average particle diameter of more than 150 nm and 800 nm or less and containing acrylate rubber as a core; (C) 5 to 15% by weight of an aromatic vinyl compound-vinyl cyanide compound copolymer having a weight average molecular weight of 70,000 to 130,000 g/mol; (D) 20 to 50% by weight of an aromatic vinyl compound-(meth)acrylate compound copolymer having a weight average molecular weight of 65,000 to 100,000 g/mol; and (E) 0.1 to 7% by weight of a syndiotactic polystyrene resin.

Abstract: The present invention relates to a method of preparing an ASA graft copolymer, a method of preparing a thermoplastic ASA resin composition including the same, and a method of preparing an ASA molded part, and more particularly, to a method of preparing a multilayered ASA graft copolymer including a step of preparing seeds, cores, and shells. According to the method, since a multifunctional carboxylic acid having 20 or more carbon atoms or a salt thereof is introduced as an emulsifier, the content of the emulsifier remaining in a resin may be reduced, thereby providing an ASA resin having excellent thermal stability and appearance characteristics while the inherent physical properties thereof, such as impact resistance and weather resistance, are maintained.

Abstract: The present invention relates to a thermoplastic resin composition, a method of preparing the same, and a molded part manufactured using the same. More specifically, the present invention provides a thermoplastic resin composition having excellent mechanical properties, such as tensile strength and impact strength, and weather resistance while having low gloss characteristics, a method of preparing the same, and a molded part manufactured using the same. According to the present invention, the thermoplastic resin composition includes an ASA graft copolymer having a core-shell structure having an average particle diameter of 0.05 to 1 ?m, an aromatic vinyl compound-vinyl cyanide compound copolymer, and an epoxy group-containing copolymer having a weight average molecular weight of 2,000 to 8,000 g/mol in specific amounts.

Abstract: The present invention relates to a thermoplastic resin composition having excellent weather resistance, according to the present invention, the thermoplastic resin composition has excellent weather resistance, gloss, and impact resistance, and thus may be suitable for use as exterior materials for structures, such as siding and window frames.

Abstract: The present invention relates to a method of preparing an ASA graft copolymer, a method of preparing a thermoplastic ASA resin composition including the same, and a method of preparing an ASA molded part, and more particularly, to a method of preparing a multilayered ASA graft copolymer including a step of preparing seeds, cores, and shells. According to the method, since a multifunctional carboxylic acid having 20 or more carbon atoms or a salt thereof is introduced as an emulsifier, the content of the emulsifier remaining in a resin may be reduced, thereby providing an ASA resin having excellent thermal stability and appearance characteristics while the inherent physical properties thereof, such as impact resistance and weather resistance, are maintained.

Abstract: The present invention relates to a thermoplastic resin, a method of preparing the same, and a thermoplastic resin composition including the same. A thermoplastic resin having superior latex stability and thermal stability and generating a small amount of gas during processing, and a method of preparing the thermoplastic resin are provided. In addition, a thermoplastic resin composition having superior mechanical properties, surface gloss, whiteness, gloss after retention, and heat discoloration after retention and a small content of residual total volatile organic compounds (TVOC), due to inclusion of the thermoplastic resin, is provided.

Abstract: Disclosed is a method of preparing a rubber-reinforced thermoplastic resin. According to the present invention, a graft copolymer comprising a large-particle-size rubber polymer obtained by welding polymerization-heat-control-type small particles and a reactive emulsifier or a mixed emulsifier comprising a reactive emulsifier and a non-reactive emulsifier is prepared, and a rubber-reinforced thermoplastic resin comprising the same may have enhanced mechanical properties, thermal stability, surface visibility and gloss.

Abstract: Disclosed are a method of preparing a thermoplastic resin composition having superior surface clearness and gloss. More particularly, the present invention relates to a method of preparing a superior thermoplastic resin composition which has superior surface clearness and superior gloss and may prevent mold deposition during a high speed injection process, by using a reactive emulsifier during emulsion polymerization of rubber latex composed of polybutadiene, preparing resin latex using a hydrophobic initiator during graft copolymerization of rubber latex, an aromatic vinyl monomer, and a vinyl cyan monomer, compression dehydrating a moisture content to less than 10% using a compression type dehydrator after agglomerating the resin latex, and performing a wet powder extrusion process.

Abstract: The present invention relates to a method of preparing a thermoplastic resin. In accordance with the present invention, provided is a thermoplastic resin having superior antibiosis and melt-kneadability prepared through preparation of a graft copolymer latex and coagulation of the graft copolymer latex with a specific antimicrobial agent, and a method of preparing the thermoplastic resin to prepare a thermoplastic resin composition including the thermoplastic resin.

Abstract: The present invention relates to a thermoplastic resin, a method of preparing the same, and a thermoplastic resin composition including the same. A thermoplastic resin having superior latex stability and thermal stability and generating a small amount of gas during processing, and a method of preparing the thermoplastic resin are provided. In addition, a thermoplastic resin composition having superior mechanical properties, surface gloss, whiteness, gloss after retention, and heat discoloration after retention and a small content of residual total volatile organic compounds (TVOC), due to inclusion of the thermoplastic resin, is provided.

Abstract: The present invention relates to a method of preparing a thermoplastic resin. In accordance with the present invention, provided is a thermoplastic resin having superior antibiosis and melt-kneadability prepared through preparation of a graft copolymer latex and coagulation of the graft copolymer latex with a specific antimicrobial agent, and a method of preparing the thermoplastic resin to prepare a thermoplastic resin composition including the thermoplastic resin.

Abstract: Disclosed is a method of preparing a rubber-reinforced thermoplastic resin. According to the present invention, a graft copolymer comprising a large-particle-size rubber polymer obtained by welding polymerization-heat-control-type small particles and a reactive emulsifier or a mixed emulsifier comprising a reactive emulsifier and a non-reactive emulsifier is prepared, and a rubber-reinforced thermoplastic resin comprising the same may have enhanced mechanical properties, thermal stability, surface visibility and gloss.

Abstract: Disclosed are a method of preparing a thermoplastic resin composition having superior surface clearness and gloss. More particularly, the present invention relates to a method of preparing a superior thermoplastic resin composition which has superior surface clearness and superior gloss and may prevent mold deposition during a high speed injection process, by using a reactive emulsifier during emulsion polymerization of rubber latex composed of polybutadiene, preparing resin latex using a hydrophobic initiator during graft copolymerization of rubber latex, an aromatic vinyl monomer, and a vinyl cyan monomer, compression dehydrating a moisture content to less than 10% using a compression type dehydrator after agglomerating the resin latex, and performing a wet powder extrusion process.

Abstract: The disclosed is a rubber polymer latex with a multi-layer core-shell structure that includes a diene-based rubber core of a conjugated diene-based monomer; a bridge shell formed on the rubber core of a vinyl-based monomer; and an outermost shell formed on the bridge shell of an acryl-based monomer.

Abstract: Disclosed are a thermal stabilizer-free thermoplastic resin composition and a method of preparing the same. The thermal stabilizer-free thermoplastic resin composition has superior impact resistance, falling ball impact resistance and gloss without using a separate thermal stabilizer. Particularly, the thermal stabilizer-free thermoplastic resin composition improves production efficiency when applied to a squeezing dehydrator because the thermoplastic resin composition is prepared without using a drying process.

Abstract: The present invention relates to rubber polymer latex with a multi-layer core-shell structure, a method of preparing thereof, an acrylonitrile-butadiene-styrene graft copolymer comprising the same, and a thermoplastic resin composition using the same. The rubber polymer latex with a multi-layer core-shell structure has improved weather resistance while maintaining the properties of a diene-based rubber component. The impact resistance, the coloring properties and the weather resistance of the acrylonitrile-butadiene-styrene graft copolymer including the same may be improved. Thus, the impact strength, the coloring properties and the weather resistance of the thermoplastic resin including the acrylonitrile-butadiene-styrene graft copolymer may be improved, and the graft copolymer may be easily applied in industries using thereof.