US 12,441,825 B2
Fluorine-containing graft copolymer, and preparation method and use thereof
Lifen Zhang, Suzhou (CN); Jiannan Cheng, Suzhou (CN); Zhenping Cheng, Suzhou (CN); Jinying Wang, Suzhou (CN); and Xiulin Zhu, Suzhou (CN)
Assigned to SOOCHOW UNIVERSITY, Suzhou (CN)
Appl. No. 17/801,304
Filed by SOOCHOW UNIVERSITY, Suzhou (CN)
PCT Filed Jul. 16, 2021, PCT No. PCT/CN2021/106654
§ 371(c)(1), (2) Date Aug. 22, 2022,
PCT Pub. No. WO2023/272793, PCT Pub. Date Jan. 5, 2023.
Claims priority of application No. 202110722042.6 (CN), filed on Jun. 28, 2021.
Prior Publication US 2023/0312795 A1, Oct. 5, 2023
Int. Cl. C08F 259/08 (2006.01); C07D 249/04 (2006.01)
CPC C08F 259/08 (2013.01) [C07D 249/04 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A method for preparing a fluorine-containing graft copolymer, comprising steps of: under a protective atmosphere, reacting a compound of Formula (I) and a compound of Formula (II) in a first organic solvent in the presence of a catalyst and a ligand at 20-30° C., to obtain the fluorine-containing graft copolymer of Formula (III), wherein the compounds of Formulas (I) and (II), and the fluorine-containing graft copolymers of Formula (III) have a structural formula shown below:

OG Complex Work Unit Chemistry
wherein a=4-8; b=6-8; n=1-20; and m=3-22.