# US 11,111,377 B2 · Resin composition > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,111,377 B2 - Document ID: US11111377B2 - Status: Granted - Kind: B2 - Application number: 16/642,002 - Filed: 2018-11-23 - Published: 2020-07-30 - Granted: 2021-09-07 - Earliest claimed: 2017-11-24 - Assignees: LG Chem, Ltd. - Applicants: LG Chem, Ltd. - Inventors: Seung Cheol Ryoo; Sung Hwan Yoon; Hyun Ki Kim; Seong Lyong Kim; Jin Oh Nam - Web page: https://patentgrep.com/patent/US11111377B2 ## CPC - C08L 25/16: Homopolymers or copolymers of alkyl-substituted styrenes - C08L 55/02: ABS [Acrylonitrile-Butadiene-Styrene] polymers - C08L 23/0815: {with aliphatic 1-olefins containing one carbon-to-carbon double bond} - C08L 25/12: with unsaturated nitriles - C08L 33/24: Homopolymers or copolymers of amides or imides - C08L 51/003: {grafted on to macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds (C08L51/04, C08L51/06 take precedence)} - C08L 2201/08: Stabilised against heat, light or radiation or oxydation - C08L 2205/025: containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure - C08L 2205/03: containing three or more polymers in a blend - C08L 2205/035: containing four or more polymers in a blend - C08L 2207/53: Core-shell polymer - C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06) ## Abstract The present invention relates to a resin composition including (1) 80 wt % to 99.8 wt % of a butadiene-based graft copolymer mixture; (2) 0.1 wt % to 10 wt % of a graft copolymer including a derived unit from a polyolefin-based polymer, a derived unit from a vinyl cyanide compound and a derived unit from an aromatic vinyl-based compound; and (3) 0.1 wt % to 10 wt % of an alpha olefin-based copolymer. ## Claims ### Claim 1 A resin composition, comprising: (1) 80 wt % to 99.8 wt % of a butadiene-based graft copolymer mixture; (2) 0.1 wt % to 10 wt % of a graft copolymer comprising a derived unit from a polyolefin-based polymer, a derived unit from a vinyl cyanide compound and a derived unit from an aromatic vinyl-based compound; and (3) 0.1 wt % to 10 wt % of an alpha olefin-based copolymer, wherein (1) the butadiene-based graft copolymer mixture is an ABS-based graft copolymer composition comprising (A) a first butadiene-based graft copolymer comprising 40 wt % to 70 wt % of a butadiene-based rubbery polymer core and 30 wt % to 60 wt % of a graft shell comprising a derived unit from a vinyl cyanide compound and a derived unit from an aromatic vinyl compound; and (B) a second butadiene-based graft copolymer comprising 5 wt % to 30 wt % of a butadiene-based rubbery polymer core and 70 wt % to 95 wt % of a graft shell comprising a derived unit from a vinyl cyanide compound and a derived unit from an aromatic vinyl compound, and further comprising (C) a copolymer comprising a derived unit from a vinyl cyanide compound and a derived unit from an aromatic vinyl-based compound. ### Claim 2 (depends on 1) The resin composition according to claim 1, wherein (1) the butadiene-based graft copolymer mixture comprises based on a total weight of the mixture, (A) the first butadiene-based graft copolymer in 5 wt % to 50 wt %; (B) the second butadiene-based graft copolymer in 0.5 wt % to 55 wt %; and (C) the copolymer comprising the derived unit from the vinyl cyanide compound and the derived unit from the aromatic vinyl-based compound in 15 wt % to 85 wt %. ### Claim 3 (depends on 1) The resin composition according to claim 1, wherein, in (1) the butadiene-based graft copolymer mixture, a weight ratio of a total amount of (A) the first butadiene-based graft copolymer and (B) the second butadiene-based graft copolymer, and an amount of (C) the copolymer comprising the derived unit from the vinyl cyanide compound and the derived unit from the aromatic vinyl-based compound is 20:80 to 80:20. ### Claim 4 (depends on 1) The resin composition according to claim 1, wherein the derived unit from the aromatic vinyl-based compound of (C) the copolymer comprises a derived unit from α-methylstyrene. ### Claim 5 (depends on 1) The resin composition according to claim 1, wherein (C) the copolymer comprising the derived unit from the vinyl cyanide compound and the derived unit from the aromatic vinyl-based compound has a glass transition temperature of 100° C. to 150° C. ### Claim 6 (depends on 1) The resin composition according to claim 1, wherein (1) the butadiene-based graft copolymer mixture further comprises (D) a heat resistant thermoplastic copolymer, and the heat resistant thermoplastic copolymer is a copolymer comprising a derived unit from a maleimide compound and a derived unit from an aromatic vinyl compound. ### Claim 7 (depends on 6) The resin composition according to claim 6, wherein (D) the heat resistant thermoplastic copolymer is comprised in 5 parts by weight to 19 parts by weight based on 100 parts by weight of (1) the butadiene-based graft copolymer mixture. ### Claim 8 (depends on 6) The resin composition according to claim 6, wherein, in (1) the butadiene-based graft copolymer mixture, a weight ratio of a total amount of (A) the first butadiene-based graft copolymer and (B) the second butadiene-based graft copolymer, and a total amount of (C) the copolymer comprising the derived unit from the vinyl cyanide compound and the derived unit from the aromatic vinyl-based compound and (D) the heat resistant thermoplastic resin is 20:80 to 80:20. ### Claim 9 (depends on 1) The resin composition according to claim 1, wherein (2) the graft copolymer comprising the derived unit from a polyolefin-based polymer, the derived unit from a vinyl cyanide compound and the derived unit from an aromatic vinyl-based compound, is a graft copolymer comprising a polyolefin-based polymer core, a derived unit from a vinyl cyanide compound and a derived unit from an aromatic vinyl compound. ### Claim 10 (depends on 9) The resin composition according to claim 9, wherein (2) the graft copolymer comprising the derived unit from a polyolefin-based polymer, the derived unit from a vinyl cyanide compound and the derived unit from an aromatic vinyl-based compound comprises the polyolefin-based polymer core, and the derived unit from a vinyl cyanide compound and the derived unit from an aromatic vinyl compound in a weight ratio of 30:70 to 70:30. ### Claim 11 (depends on 1) The resin composition according to claim 1, wherein (3) the alpha olefin-based copolymer has a weight average molecular weight of 30,000 to 200,000. ### Claim 12 (depends on 1) The resin composition according to claim 1, wherein (3) the alpha olefin-based copolymer has a crystallization degree of 5% to 20%. ### Claim 13 (depends on 1) The resin composition according to claim 1, wherein (3) the alpha olefin-based copolymer has a melting temperature (Tm) of 20° C. to 70° C. and a glass transition temperature (Tg) of −100° C. to −20° C. ### Claim 14 (depends on 1) The resin composition according to claim 1, wherein (3) the alpha olefin-based copolymer is an ethylene-1-butene copolymer having a ratio of an ethylene derived unit and butene of 60:40 to 80:20 by weight. ### Claim 15 (depends on 1) A thermoplastic resin prepared using the resin composition of claim 1, the thermoplastic resin has a PRN (risk-priority-number) value of 5 or less, when standing at 80° C. in humidity of 95% for 350 hours and standing at 23° C. in humidity of 50% for 24 hours for aging according to standard conditions of VDA 230-206 standard, and measuring the PRN value. ### Claim 16 A resin composition, comprising: (1) 80 wt % to 99.8 wt % of a butadiene-based graft copolymer mixture; (2) 0.1 wt % to 10 wt % of a graft copolymer comprising a derived unit from a polyolefin-based polymer, a derived unit from a vinyl cyanide compound and a derived unit from an aromatic vinyl-based compound; and (3) 0.1 wt % to 10 wt % of an alpha olefin-based copolymer, wherein (3) the alpha olefin-based copolymer has a crystallization degree of 5% to 20%. ### Claim 17 A resin composition, comprising: (1) 80 wt % to 99.8 wt % of a butadiene-based graft copolymer mixture; (2) 0.1 wt % to 10 wt % of a graft copolymer comprising a derived unit from a polyolefin-based polymer, a derived unit from a vinyl cyanide compound and a derived unit from an aromatic vinyl-based compound; and (3) 0.1 wt % to 10 wt % of an alpha olefin-based copolymer, wherein (3) the alpha olefin-based copolymer has a melting temperature (Tm) of 20° C. to 70° C. and a glass transition temperature (Tg) of −100° C. to −20° C.