US 12,351,665 B2
Graft copolymer, method for preparing the same, and resin composition including the same
Kwang Jin Lee, Daejeon (KR); Ki Hyun Yoo, Daejeon (KR); Yoon Ho Kim, Daejeon (KR); Sang Il Nam, Daejeon (KR); and Kyung Bok Sun, Daejeon (KR)
Assigned to LG CHEM, LTD., Seoul (KR)
Appl. No. 17/625,190
Filed by LG CHEM, LTD., Seoul (KR)
PCT Filed Mar. 29, 2021, PCT No. PCT/KR2021/003838
§ 371(c)(1), (2) Date Jan. 6, 2022,
PCT Pub. No. WO2021/230492, PCT Pub. Date Nov. 18, 2021.
Claims priority of application No. 10-2020-0057753 (KR), filed on May 14, 2020.
Prior Publication US 2022/0259358 A1, Aug. 18, 2022
Int. Cl. C08F 279/02 (2006.01); C08L 27/06 (2006.01)
CPC C08F 279/02 (2013.01) [C08L 27/06 (2013.01)] 10 Claims
 
1. A graft copolymer comprising a rubbery polymer,
wherein the rubbery polymer comprises a conjugated diene-based monomer unit, and one or more compound units represented by the following Formula 1,
wherein the graft copolymer comprises an alkyl (meth)acrylate-based monomer unit and an aromatic vinyl-based monomer unit,
the content of the one or more compound units represented by Formula 1 is from 0.1 wt % to 5.0 wt % with respect to the graft copolymer,
the alkyl (meth)acrylate-based monomer unit is crosslinked from a crosslinking agent, and
the aromatic vinyl-based monomer unit has a weight average molecular weight from 20,000 g/mol to 100,000 g/mol:

OG Complex Work Unit Chemistry
wherein in Formula 1,
R1 is an alkylene group comprising 1 to 10 carbon atoms, and
R2 is a saturated or unsaturated fatty acid ester group comprising 10 to 20 carbon atoms.