US 12,365,792 B2
Thermoplastic resin composition, method of preparing the same, and molded article manufactured using the same
Seunghun Han, Daejeon (KR); Jinoh Nam, Daejeon (KR); and Seong Lyong Kim, Daejeon (KR)
Assigned to LG CHEM, LTD., Seoul (KR)
Appl. No. 17/774,412
Filed by LG CHEM, LTD., Seoul (KR)
PCT Filed Aug. 19, 2021, PCT No. PCT/KR2021/011001
§ 371(c)(1), (2) Date May 4, 2022,
PCT Pub. No. WO2022/092512, PCT Pub. Date May 5, 2022.
Claims priority of application No. 10-2020-0141893 (KR), filed on Oct. 29, 2020; and application No. 10-2021-0107006 (KR), filed on Aug. 13, 2021.
Prior Publication US 2023/0357559 A1, Nov. 9, 2023
Int. Cl. C08L 55/02 (2006.01); C08F 2/02 (2006.01); C08G 63/183 (2006.01); C08G 63/91 (2006.01); C08L 25/12 (2006.01); C08L 25/14 (2006.01); C08L 67/02 (2006.01); C08L 71/02 (2006.01)
CPC C08L 55/02 (2013.01) [C08F 2/02 (2013.01); C08G 63/183 (2013.01); C08G 63/916 (2013.01); C08L 25/12 (2013.01); C08L 25/14 (2013.01); C08L 67/025 (2013.01); C08L 71/02 (2013.01); C08L 2205/035 (2013.01); C08L 2207/04 (2013.01)] 14 Claims
 
1. A thermoplastic resin composition, comprising:
a base resin;
7 to 17 parts by weight of a polyether ester elastomer resin (D) based on 100% by weight of the base resin; and
1.1 to 10 parts by weight of a modified polyester resin (E) based on 100% by weight of the base resin,
wherein the base resin comprises:
10 to 40% by weight of a vinyl cyanide compound-conjugated diene compound-aromatic vinyl compound graft copolymer (A);
18 to 52% by weight of a (meth)acrylic acid alkyl ester compound-α-methyl styrene-based compound-vinyl cyanide compound copolymer (B); and
13 to 55% by weight of an aromatic vinyl compound-vinyl cyanide compound copolymer (C),
wherein the aromatic vinyl compound-vinyl cyanide compound copolymer (C) comprises 10 to 25% by weight of a vinyl cyanide compound.