US 12,404,395 B2
Thermoplastic resin composition and molded article including the same
Hyun Jun Ryu, Daejeon (KR); Suk Jo Choi, Daejeon (KR); Tae Hoon Kim, Daejeon (KR); and Hyunmin Kim, Daejeon (KR)
Assigned to LG CHEM, LTD., Seoul (KR)
Appl. No. 17/639,079
Filed by LG CHEM, LTD., Seoul (KR)
PCT Filed Feb. 25, 2021, PCT No. PCT/KR2021/002344
§ 371(c)(1), (2) Date Feb. 28, 2022,
PCT Pub. No. WO2021/261703, PCT Pub. Date Dec. 30, 2021.
Claims priority of application No. 10-2020-0078393 (KR), filed on Jun. 26, 2020; and application No. 10-2021-0025196 (KR), filed on Feb. 25, 2021.
Prior Publication US 2022/0298347 A1, Sep. 22, 2022
Int. Cl. C08L 25/14 (2006.01); C08L 25/12 (2006.01); C08L 33/06 (2006.01); C08L 33/18 (2006.01); C08L 51/00 (2006.01)
CPC C08L 25/14 (2013.01) [C08L 25/12 (2013.01); C08L 33/06 (2013.01); C08L 33/18 (2013.01); C08L 51/00 (2013.01)] 13 Claims
 
1. A thermoplastic resin composition, comprising:
two or more acrylic graft resins (A) having different average particle diameters;
a first copolymer (B) comprising a first alkyl-substituted styrene, a first (meth)acrylate, and a first vinyl cyanide compound;
a second copolymer (C) comprising a second alkyl-unsubstituted styrene, a second (meth)acrylate, and a second vinyl cyanide compound; and
a (meth)acrylate polymer (D),
wherein the first (meth)acrylate and the second (meth)acrylate are comprised in a total amount of from 40 to 59% by weight based on a total weight of the thermoplastic resin composition.