US 12,227,618 B2
Polyalkyleneimine-based polymer containing polyether chains
Huiguang Kou, Ludwigshafen am Rhein (DE); Steffen Onclin, Ludwigshafen am Rhein (DE); Anna Maria Mueller-Cristadoro, Lemfoerde (DE); and Clemens Auschra, Ludwigshafen am Rhein (DE)
Assigned to BASF SE, Ludwigshafen am Rhein (DE)
Appl. No. 17/761,605
Filed by BASF SE, Ludwigshafen am Rhein (DE)
PCT Filed Sep. 16, 2020, PCT No. PCT/EP2020/075834
§ 371(c)(1), (2) Date Mar. 18, 2022,
PCT Pub. No. WO2021/052997, PCT Pub. Date Mar. 25, 2021.
Claims priority of application No. 19198569 (EP), filed on Sep. 20, 2019.
Prior Publication US 2022/0403106 A1, Dec. 22, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C08G 73/02 (2006.01); C09D 5/02 (2006.01); C09K 23/16 (2022.01); C09K 23/42 (2022.01)
CPC C08G 73/024 (2013.01) [C08G 73/0213 (2013.01); C09D 5/027 (2013.01); C09K 23/16 (2022.01); C09K 23/42 (2022.01)] 22 Claims
 
1. A polymer having
a) a polyalkyleneimine backbone;
b) at least one aromatic moiety P.1, which is bound to a nitrogen atom of the polyalkyleneimine backbone via a carboxamide or carboximide group; and
c) at least one aliphatic polyether moiety P.2, which is bound to a nitrogen atom of the polyalkyleneimine backbone via a linker L;
wherein the linker L is at least one selected from the group consisting of (L.1), (L.2), (L.3) and (L.4) and (L.5)

OG Complex Work Unit Chemistry
wherein
# indicates the point of attachment to a nitrogen atom of the polyalkyleneimine backbone;
* indicates the point of attachment to the aliphatic polyether moiety P.2;
R5 is H or CH3;
Q is a direct bond or a divalent moiety selected from —O—, —N(H)—, and —S—;
Y is O or NH;
Z is selected from the group consisting of C1-C24 alkyl, C4-C10 cycloalkyl, C6-C18 aryl, and C7-C20 arylalkyl.