	US 12,286,503 B2
	Brush polymer terminated with phosphonate for DSA
EunJeong Jeong, Gyeonggi-do (KR); Durairaj Baskaran, Bridgewater, NJ (US); and Jihoon Kim, North Wales, PA (US)
Assigned to Merck Patent GmbH, Darmstadt (DE)
Appl. No. 18/246,869
Filed by Merck Patent GmbH, Darmstadt (DE)
PCT Filed Oct. 18, 2021, PCT No. PCT/EP2021/078756 § 371(c)(1), (2) Date Mar. 28, 2023, PCT Pub. No. WO2022/084221, PCT Pub. Date Apr. 28, 2022.
Claims priority of provisional application 63/238,872, filed on Aug. 31, 2021.
Claims priority of provisional application 63/218,957, filed on Jul. 7, 2021.
Claims priority of provisional application 63/093,894, filed on Oct. 20, 2020.
Prior Publication US 2024/0010865 A1, Jan. 11, 2024
Int. Cl. C08F 8/40 (2006.01); C07F 9/40 (2006.01); C08F 4/649 (2006.01); C08F 112/08 (2006.01); C08F 120/14 (2006.01); C09D 125/06 (2006.01); C07F 9/32 (2006.01); C08F 4/629 (2006.01); C08F 30/02 (2006.01); C08F 130/02 (2006.01); C08F 230/02 (2006.01); C08L 43/02 (2006.01); C09D 133/12 (2006.01); C09D 143/02 (2006.01); C09J 143/02 (2006.01); C09J 185/02 (2006.01)

CPC C08F 4/6497 (2013.01) [C07F 9/4021 (2013.01); C08F 112/08 (2013.01); C08F 120/14 (2013.01); C09D 125/06 (2013.01); C07F 9/3229 (2013.01); C08F 4/6297 (2013.01); C08F 8/40 (2013.01); C08F 30/02 (2013.01); C08F 130/02 (2013.01); C08F 230/02 (2013.01); C08F 2810/40 (2013.01); C08J 2343/02 (2013.01); C08J 2443/02 (2013.01); C08L 43/02 (2013.01); C09D 133/12 (2013.01); C09D 143/02 (2013.01); C09J 143/02 (2013.01); C09J 185/02 (2013.01)]

24 Claims

1. A polymer of structure (II), wherein

R₁is H, a C-1 to C-8 linear alkyl, a C-3 to C-8 branched alkyl, a C-3 to C-8 cyclic alkyl, an aryl, or an alkylenearyl;

R₂is H, a halide, a C-1 to C-8 linear alkyl, a C-3 to C-8 branched alkyl, a C-3 to C-8 cyclic alkyl, a C-1 to C-8 linear alkyloxy, a C-3 to C-8 branched alkyloxy, a C-3 to C-8 cyclic alkyloxy, or —P(═O)(R₃)(R₄);

R₃and R₄are independently an aryl, an alkylenearyl, a C-2 to C-8 alkyleneoxyalkyl, a C-2 to C-8 haloalkyl, a C-1 to C-8 linear alkyl, a C-3 to C-8 branched alkyl, a C-3 to C-8 cyclic alkyl, a C-1 to C-8 linear alkyloxy, a C-3 to C-8 branched alkyloxy or a C-3 to C-8 cyclic alkyloxy;

L₁and L₂are independently a direct valence bond, or a C-1 to C-8 alkylene spacer group;

B is a direct valence bond, or a methylene spacer (—CH₂—)

A is a styrenic polymer chain, or an acrylic polymer chain; and said polymer has a polydispersity ranging from 1 to 1.1;