# US 12,180,357 B2 · ABS-based resin composition, method of preparing the same, and molded article including the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,180,357 B2 - Document ID: US12180357B2 - Status: Granted - Kind: B2 - Application number: 17/641,306 - Filed: 2021-06-09 - Published: 2022-11-17 - Granted: 2024-12-31 - Earliest claimed: 2020-09-24 - Assignees: LG Chem, Ltd. - Applicants: LG Chem, Ltd. - Inventors: Jinoh Nam; Seunghun Han; Seong Lyong Kim - Web page: https://patentgrep.com/patent/US12180357B2 ## CPC - C08L 25/12: with unsaturated nitriles - B29B 9/06: in the form of filamentary material, e.g. combined with extrusion - B29C 45/0001: {characterised by the choice of material} - C08L 83/12: containing polyether sequences - B29C 48/04: Particle-shaped (making granules B29B9/00) - B29K 2055/02: ABS polymers, i.e. acrylonitrile-butadiene-styrene polymers - B29K 2105/0032: {Pigments, colouring agents or opacifiyng agents} - C08G 77/46: containing polyether sequences - C08L 2205/03: containing three or more polymers in a blend - C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06) - B29B: PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS - B29C: SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING (making preforms B29B11/00; making laminated products by combining previously unconnected layers which become one product whose layers will remain together B32B37/00 - B32B41/00) - B29K: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR {MOULDS, } REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS - C08G: MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS ## Abstract Disclosed is an ABS-based resin composition, a method of preparing the same, and a molded article including the same, including an ABS-based resin composition including 100 parts by weight of a base resin including 20 to 40% by weight of a vinyl cyanide compound-conjugated diene compound-aromatic vinyl compound graft copolymer and 60 to 80% by weight of an aromatic vinyl compound-vinyl cyanide compound copolymer; and 0.1 to 5 parts by weight of a polyether-modified polysiloxane, a method of preparing the ABS-based resin composition, and a molded article including the ABS-based resin composition. ## Claims ### Claim 1 An ABS-based resin composition comprising: 100 parts by weight of a base resin comprising 20 to 40% by weight of a vinyl cyanide compound-conjugated diene compound-aromatic vinyl compound graft copolymer and 60 to 80% by weight of an aromatic vinyl compound-vinyl cyanide compound copolymer; and 0.1 to 5 parts by weight of a polyether-modified polysiloxane. ### Claim 2 (depends on 1) The ABS-based resin composition according to claim 1, wherein the polyether-modified polysiloxane is a polydialkylsiloxane modified with an alkylene oxide. ### Claim 3 (depends on 1) The ABS-based resin composition according to claim 1, wherein the polyether-modified polysiloxane comprises one or more selected from the group consisting of a branched polyether-modified polysiloxane, a terminal polyether-modified polysiloxane, and a branched terminal polyether-modified polysiloxane. ### Claim 4 (depends on 1) The ABS-based resin composition according to claim 1, wherein the polyether-modified polysiloxane has a weight average molecular weight of 10,000 to 50,000 g/mol. ### Claim 5 (depends on 1) The ABS-based resin composition according to claim 1, wherein the vinyl cyanide compound-conjugated diene compound-aromatic vinyl compound graft copolymer comprises 40 to 80% by weight of conjugated diene rubber, 10 to 40% by weight of an aromatic vinyl compound, and 1 to 20% by weight of a vinyl cyanide compound. ### Claim 6 (depends on 1) The ABS-based resin composition according to claim 1, wherein the aromatic vinyl compound-vinyl cyanide compound copolymer comprises 60 to 80% by weight of an aromatic vinyl compound and 20 to 40% by weight of a vinyl cyanide compound. ### Claim 7 (depends on 1) The ABS-based resin composition according to claim 1, wherein the aromatic vinyl compound-vinyl cyanide compound copolymer has a weight average molecular weight of 50,000 to 200,000 g/mol. ### Claim 8 (depends on 1) The ABS-based resin composition according to claim 1, wherein the ABS-based resin composition comprises 0.1 to 5 parts by weight of an inorganic pigment. ### Claim 9 (depends on 8) The ABS-based resin com position according to claim 8, wherein the inorganic pigment is carbon black. ### Claim 10 (depends on 1) The ABS-based resin composition according to claim 1, wherein the ABS-based resin composition has a color L value of 28.5 or less as measured using a color difference meter. ### Claim 11 (depends on 1) The ABS-based resin composition according to claim 1, wherein the ABS-based resin composition has a gloss of 86 or more as measured at 45° using a gloss meter VG7000. ### Claim 12 (depends on 1) The ABS-based resin composition according to claim 1, wherein the ABS-based resin composition has an impact strength of 30 kgf cm/cm or more as measured using a specimen comprising the ABS-based resin composition and having a thickness of ⅛″ according to ASTM D256. ### Claim 13 A method of preparing an ABS-based resin composition, comprising: melt-kneading 100 parts by weight of a base resin comprising 20 to 40% by weight of a vinyl cyanide compound-conjugated diene compound-aromatic vinyl compound graft copolymer and 60 to 80% by weight of an aromatic vinyl compound-vinyl cyanide compound copolymer; and 0.1 to 5 parts by weight of a polyether-modified polysiloxane under conditions of 200 to 250° C. and 100 to 400 rpm, and then performing extrusion. ### Claim 14 (depends on 1) A molded article, comprising the ABS-based resin composition according to claim 1.