Abstract: A thermoplastic resin composition including 100 parts by weight of a base resin including 0.5 to 45% by weight of a graft copolymer (A-1) including acrylate rubber having an average particle diameter of 50 to 150 nm, an aromatic vinyl compound, and a vinyl cyanide compound, 20 to 80% by weight of a graft copolymer (A-2) including acrylate rubber having an average particle diameter of 151 to 600 nm, an aromatic vinyl compound, and a vinyl cyanide compound, and 10 to 45% by weight of an ?-methylstyrene-based copolymer (B) having a weight average molecular weight of 60,000 to 180,000 g/mol; and 0.5 to 10 parts by weight of an ultra-high molecular weight copolymer (C) having a weight average molecular weight of 1,000,000 to 12,000,000 g/mol. A method of preparing the thermoplastic resin composition and a molded article including the thermoplastic resin composition are also disclosed.

Abstract: A thermoplastic resin composition includes 100 parts by weight of a base resin including 3 to 22% by weight of an alkyl acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A-1) containing alkyl acrylate rubber having an average particle diameter of 50 to 200 nm, 20 to 40% by weight of an alkyl acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A-2) containing alkyl acrylate rubber having an average particle diameter of greater than 200 nm and 600 nm or less, and 50 to 72% by weight of an aromatic vinyl compound-vinyl cyanide compound copolymer (B); and 0.6 to 1.9 parts by weight of a lubricant (C), wherein, based on 100% by weight in total of the thermoplastic resin composition, a total content of rubber as measured by FT-IR is 15 to 21% by weight.

Abstract: The present disclosure relates to a thermoplastic resin composition and an exterior material including the same. The thermoplastic resin composition includes 100 parts by weight of styrene-based resins; 0.5 to 5 parts by weight of a first polyamide resin having a melting temperature (Tm) of 230° C. or less; and 0.5 to 10 parts by weight of a second polyamide resin having a melting temperature (Tm) of 250° C. or more. Both the first and second polyamide resins have a relative viscosity of 2.5 or less. The present disclosure advantageously provides a low-gloss thermoplastic resin composition having excellent aesthetics, such as softness, luxuriousness, and naturalness, due to uniform and low gloss, and improvement in surface texture while having mechanical properties and processability equal or superior to those of conventional ASA resins; and an exterior material including the low-gloss thermoplastic resin composition.

Abstract: The present invention relates to a thermoplastic resin composition, a method of preparing the same, and a molded article manufactured using the same. More specifically, the thermoplastic resin composition of the present invention includes 100 parts by weight of a base resin consisting of an acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A-1) containing acrylate rubber having an average particle diameter of 0.05 to 0.15 ?m as a core, an acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A-2) containing acrylate rubber having an average particle diameter of 0.3 to 0.6 ?m as a core, an aromatic vinyl polymer (B-1), and a heat-resistant aromatic vinyl polymer (B-2); and 0.5 to 10 parts by weight of a polyolefin elastomer (C). Within this range, the thermoplastic resin composition may have a heat deflection temperature (HDT) of 89° C. or more.

Abstract: A thermoplastic resin composition and a molded article including the same can include 100 parts by weight of a base resin including 10 to 50% by weight of an acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A-1) containing acrylate rubber having an average particle diameter of 0.3 to 0.5 ?m, 5 to 40% by weight of an acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A-2) containing acrylate rubber having an average particle diameter of 0.05 ?m or more and less than 0.3 ?m, and 20 to 65% by weight of an aromatic vinyl polymer (B), and 0.5 to 12 parts by weight of a polyamide (C). The thermoplastic resin composition can have a solvent resistance of 15 days or more.

Abstract: The present invention relates to a thermoplastic resin composition and an exterior material including the same. More particularly, the present invention has an effect of providing a thermoplastic resin composition having even and low gloss while maintaining mechanical properties and processability equal or superior to those of a conventional ASA resin; having natural coloring through control for a uniform refractive index; and being capable of reducing appearance defects due to excellent co-extrusion processability with PVC and an exterior material including the thermoplastic resin.

Abstract: A thermoplastic resin composition and a molded article including the same are disclosed in which the thermoplastic resin composition includes 100 parts by weight of a base resin including an acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer; and 0.5 to 10 parts by weight of a matting agent having a refractive index of 1.46 to 1.53, and a molded article including the thermoplastic resin composition, wherein the thermoplastic resin composition satisfies Equations 1 and 2 below: G?20,??[Equation 1] wherein G denotes the gloss of a sheet having a size of 0.15 T as measured at 60° using a gloss meter, Hz<Tt,??[Equation 2] wherein Hz and Tt denote the haze (%) and total light transmittance (%) of a sheet having a size of 0.15 T, respectively.

Abstract: The present disclosure relates to a thermoplastic resin composition and an exterior material including the same. The thermoplastic resin composition included 90 to 99.5% by weight of styrene-based resins each including 5 to 30% by weight of acrylate rubber having a DLS average particle diameter of 0.25 to 0.32 ?m or a TEM average particle diameter of 0.2 to 0.27 ?m based on a total weight of the styrene-based resins; and 0.5 to 10% by weight of a polyamide resin, and an exterior material including the thermoplastic resin composition. According to the present disclosure, a low-gloss thermoplastic resin composition having excellent aesthetics, such as softness, luxuriousness, and naturalness, due to uniformity, low gloss, and improvement in surface texture while having mechanical properties and processability equal or superior to those of conventional ASA resins; and an exterior material including the low-gloss thermoplastic resin composition may be provided.

Abstract: The present invention relates to a thermoplastic resin composition and a molded article including the same. More specifically, the thermoplastic resin composition of the present invention includes 100 parts by weight of a base resin consisting of 10 to 30% by weight of an acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A-1) including an acrylate rubber having an average particle diameter of 0.05 to 0.15 ?m, 20 to 40% by weight of an acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A-2) including an acrylate rubber having an average particle diameter of 0.3 to 0.5 ?m, 0 to 35% by weight of an aromatic vinyl polymer (B), and 10 to 60% by weight of a polymethacrylate (C); and 0.5 to 10 parts by weight of a polyamide (D).

Abstract: Provided is an M2-LVP-K1 virus including a colorectal cancer cell-specific mutant sialic acid binding domain and a composition for treating colorectal cancer including the same. The mutant sialic acid binding domain is constructed using directed evolution technology, and is a recombinant Newcastle disease virus constructed by substituting a normal sialic acid binding domain for a HN protein, a cell-binding receptor, to improve the specific infectivity to HCT116 cells. It was identified that M2-LVP-K1 recombinant Newcastle disease virus with improved colorectal cancer cell-specific infectivity has improved HCT116 cell death effect compared to the conventional normal recombinant Newcastle disease virus, and produces an excellent effect in inhibiting cancer tissue growth through in vivo experiments.

Abstract: The present disclosure relates to a thermoplastic resin composition, a method of preparing the same, and a molded article including the same. More particularly, the present disclosure relates to a thermoplastic resin composition including 35 to 75% by weight of an alkyl acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A) containing alkyl acrylate rubber having an average particle diameter of 40 to 120 nm and 25 to 65% by weight of an aromatic vinyl compound-vinyl cyanide compound copolymer (B) having a weight average molecular weight of 50,000 to 180,000 g/mol, wherein the thermoplastic resin composition has an alkyl acrylate coverage value (X) of 70% or more as calculated by Equation 1.

Abstract: The present disclosure relates to a thermoplastic resin composition, a method of preparing the same, and a molded article including the same. For example, the present disclosure relates to a thermoplastic resin composition including 35 to 85% by weight of an alkyl acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A) containing alkyl acrylate rubber having an average particle diameter of 50 to 120 nm and 15 to 65% by weight of a polymethacrylate resin (B). The thermoplastic resin composition has an alkyl acrylate coverage value (X) of 70% or more as calculated by Equation 1. The thermoplastic resin composition may have beneficial mechanical properties, such as impact strength, tensile strength, and flexural strength, surface hardness, transparency, and colorability and may be capable of preventing occurrence of whitening during bending due to beneficial non-whitening properties.

Abstract: The present disclosure relates to a thermoplastic resin composition and an exterior material including the same. The thermoplastic resin composition has low gloss and has mechanical properties and processability equal or superior to those of conventional ASA resins. The thermoplastic resin composition also has improved viscoelastic properties that can lead to excellent processability during the manufacture of a co-extruded product and excellent adhesion within the co-extruded product. The thermoplastic resin composition is also capable of reducing surface defects.

Abstract: A thermoplastic resin composition can include 25 to 75% by weight of an alkyl acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A) containing alkyl acrylate rubber having an average particle diameter of 50 to 120 nm; and 25 to 75% by weight of a (meth)acrylic acid alkyl ester compound-aromatic vinyl compound-vinyl cyanide compound non-graft copolymer (B). The thermoplastic resin composition has an alkyl acrylate coverage value (X) of 67% or more as calculated by Equation 1. A method of preparing the thermoplastic resin composition, and a molded article including the thermoplastic resin composition are also disclosed.

Abstract: The present disclosure relates to an M2-LVP-K1 virus including a colorectal cancer cell-specific mutant sialic acid binding domain and a composition for treating colorectal cancer including the same. The mutant sialic acid binding domain of the present disclosure is constructed using directed evolution technology, and is a recombinant Newcastle disease virus constructed by substituting a normal sialic acid binding domain for a HN protein, a cell-binding receptor, to improve the specific infectivity to HCT116 cells. It was identified that M2-LVP-K1 recombinant Newcastle disease virus with improved colorectal cancer cell-specific infectivity has improved HCT116 cell death effect compared to the conventional normal recombinant Newcastle disease virus, and produces an excellent effect in inhibiting cancer tissue growth through in vivo experiments.

Abstract: The present disclosure relates to a thermoplastic resin composition including 25 to 75% by weight of an alkyl acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A) containing alkyl acrylate rubber having an average particle diameter of 50 to 120 nm; 18 to 47% by weight of an aromatic vinyl compound-vinyl cyanide compound copolymer (B) having a weight average molecular weight of 70,000 to 150,000 g/mol; and 3 to 28% by weight of an aromatic vinyl compound-vinyl cyanide compound copolymer (C) having a weight average molecular weight of greater than 150,000 g/mol and less than or equal to 250,000 g/mol, wherein the thermoplastic resin composition has an alkyl acrylate coverage value (X) of 67% or more as calculated by Equation 1. A method of preparing the thermoplastic resin composition, and a molded article including the thermoplastic resin composition are also disclosed.

Abstract: The present disclosure relates to a thermoplastic resin composition and a molded article including the same. More particularly, the present disclosure relates to a thermoplastic resin composition including 100 parts by weight of a styrene-based resin and 1 to 10 parts by weight of a surface modifier and having a skewness (Rsk) of 0.65 to 1.35 and a molded article including the thermoplastic resin composition. In addition, the present disclosure provides a thermoplastic resin composition that is capable of imparting a rough feeling to the surface of a product and has excellent weather resistance while maintaining mechanical properties and processability equal or superior to those of conventional ASA resins; and a molded article including the thermoplastic resin composition. In particular, due to these properties of the thermoplastic resin composition, a product manufactured using the thermoplastic resin composition may have a luxurious appearance without an artificial plastic feel.

Abstract: Provided are an oncolytic virus for treating brain tumors using a recombinant Newcastle disease virus into which a Newcastle disease virus (NDV) vector-based PTEN (phosphatase and tensin homolog) gene is inserted and a composition for treating brain tumors using the same which can be used for a therapeutic viral agent that can induce reduction of clinical symptoms or partial or complete remission through brain tumor cell death or brain tumor tissue reduction by expressing normal PTEN protein after being infected with brain tumor cells, as a recombinant Newcastle disease virus containing a human PTEN protein gene.

Abstract: Provided is a thermoplastic resin composition which includes: a graft copolymer including a C4 to C10 alkyl (meth)acrylate-based monomer unit, a styrene-based monomer unit, and a vinyl cyan-based monomer unit; a first styrene-based copolymer including a C1 to C3 alkyl-substituted styrene-based monomer unit and a vinyl cyan-based monomer unit; and a second styrene-based copolymer including an unsubstituted styrene-based monomer unit and a vinyl cyan-based monomer unit. The thermoplastic resin composition is remarkably excellent in heat resistance, chemical resistance, and appearance characteristics while maintaining basic properties.

Abstract: The present disclosure relates to a thermoplastic resin composition and an exterior material including the same. The thermoplastic resin composition includes 100 parts by weight of styrene-based resins; 0.5 to 5 parts by weight of a first polyamide resin having a melting temperature (Tm) of 230° C. or less; and 0.5 to 10 parts by weight of a second polyamide resin having a melting temperature (Tm) of 250° C. or more. Both the first and second polyamide resins have a relative viscosity of 2.5 or less. The present disclosure advantageously provides a low-gloss thermoplastic resin composition having excellent aesthetics, such as softness, luxuriousness, and naturalness, due to uniform and low gloss, and improvement in surface texture while having mechanical properties and processability equal or superior to those of conventional ASA resins; and an exterior material including the low-gloss thermoplastic resin composition.