	US 12,344,779 B2
	Acrylic emulsion pressure-sensitive adhesive composition
Yong Su Park, Daejeon (KR); Yoontae Hwang, Daejeon (KR); YoonJung Kim, Daejeon (KR); Sungjong Seo, Daejeon (KR); Seung Hun Yang, Daejeon (KR); and Seungmo Lee, Daejeon (KR)
Assigned to LG Chem, Ltd., Seoul (KR)
Appl. No. 17/789,317
Filed by LG Chem, Ltd., Seoul (KR)
PCT Filed Jan. 7, 2021, PCT No. PCT/KR2021/000190 § 371(c)(1), (2) Date Jun. 27, 2022, PCT Pub. No. WO2021/141406, PCT Pub. Date Jul. 15, 2021.
Claims priority of application No. 10-2020-0002171 (KR), filed on Jan. 7, 2020; and application No. 10-2021-0001609 (KR), filed on Jan. 6, 2021.
Prior Publication US 2022/0380634 A1, Dec. 1, 2022
Int. Cl. C09J 7/38 (2018.01); C09J 11/06 (2006.01)

CPC C09J 7/385 (2018.01) [C09J 11/06 (2013.01); C09J 2301/302 (2020.08); C09J 2301/408 (2020.08); C09J 2301/414 (2020.08); C09J 2433/00 (2013.01)]

13 Claims

1. An acrylic emulsion pressure-sensitive adhesive composition comprising:

(A) emulsion polymer particles including

(A1) a first repeating unit derived from an alkyl (meth)acrylate-based monomer;

(A2) a second repeating unit derived from a hydroxy alkyl (meth)acrylate-based monomer;

(A3) a third repeating unit derived from an unsaturated carboxylic acid-based monomer; and

(A4) a fourth repeating unit derived from a vinylic monomer; and

(B) an aluminum-based surface hardener.