US 12,146,089 B2
Nanostructure ink compositions for inkjet printing
Christian Ippen, Cupertino, CA (US); Donald Zehnder, San Carlos, CA (US); and Ruiqing Ma, Morristown, NJ (US)
Assigned to SHOEI CHEMICAL INC., Tokyo (JP)
Filed by Shoei Chemical Inc., Tokyo (JP)
Filed on Dec. 19, 2022, as Appl. No. 18/084,272.
Application 18/084,272 is a continuation of application No. 17/016,642, filed on Sep. 10, 2020, granted, now 11,555,149.
Claims priority of provisional application 62/898,776, filed on Sep. 11, 2019.
Prior Publication US 2023/0235225 A1, Jul. 27, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. C09K 11/88 (2006.01); B82Y 20/00 (2011.01); B82Y 30/00 (2011.01); B82Y 40/00 (2011.01); C08G 65/26 (2006.01); C09D 5/22 (2006.01); C09D 11/36 (2014.01); C09D 11/38 (2014.01); C09K 11/02 (2006.01); C09K 11/70 (2006.01); H10K 30/35 (2023.01); H10K 50/115 (2023.01); H10K 71/60 (2023.01)
CPC C09K 11/883 (2013.01) [C08G 65/2609 (2013.01); C09D 5/22 (2013.01); C09D 11/36 (2013.01); C09D 11/38 (2013.01); C09K 11/02 (2013.01); C09K 11/025 (2013.01); C09K 11/70 (2013.01); H10K 30/35 (2023.02); H10K 71/611 (2023.02); B82Y 20/00 (2013.01); B82Y 30/00 (2013.01); B82Y 40/00 (2013.01); H10K 50/115 (2023.02)] 19 Claims
 
1. A nanostructure composition comprising:
(a) an organic solvent;
(b) a nanostructure comprising a core and a shell;
(c) inorganic ligands bound to the surface of the nanostructure; and
(d) a poly(alkylene oxide) additive of Formula (IV):

OG Complex Work Unit Chemistry
wherein:
x is 1 to 100;
y is 0 to 100;
R1A and R1B independently are H or C1-20 alkyl;
R2 is C1-20 alkyl;
X1 is a bond or C1-12 alkyl;
X2 is a bond, —O—, −OC(═O)—, or amido;
FG is —OH, —NH2, —NH3+, —N3, —C(═O)OR3, —P(═O)(OR4)2, or —P(R5)4;
R3 is H, C1-20 alkyl, or C6-14 aryl;
R4 is independently H, C1-20 alkyl, or C6-14 aryl; and
R5 is independently H, C1-20 alkyl, or C6-14 aryl.