US 12,435,174 B2
Functional fluoropolymers
James T. Goldbach, Paoli, PA (US); Wengsheng He, Wayne, PA (US); and Andrew Kahn, Eagleville, PA (US)
Assigned to Arkema Inc., King of Prussia, PA (US)
Appl. No. 17/045,263
Filed by Arkema Inc., King of Prussia, PA (US)
PCT Filed Apr. 9, 2019, PCT No. PCT/US2019/026490
§ 371(c)(1), (2) Date Oct. 5, 2020,
PCT Pub. No. WO2019/199752, PCT Pub. Date Oct. 17, 2019.
Claims priority of provisional application 62/655,453, filed on Apr. 10, 2018.
Prior Publication US 2021/0171693 A1, Jun. 10, 2021
Int. Cl. C07C 21/18 (2006.01); C07C 57/52 (2006.01); C07C 69/54 (2006.01); C08F 4/28 (2006.01); C08F 214/22 (2006.01); C08F 220/22 (2006.01); C08F 283/02 (2006.01); C08K 3/04 (2006.01); C08K 3/22 (2006.01); C08K 3/32 (2006.01); C08L 27/16 (2006.01); C09D 127/16 (2006.01); C09D 133/16 (2006.01); C09D 151/08 (2006.01); H01M 4/02 (2006.01); H01M 4/04 (2006.01); H01M 4/62 (2006.01)
CPC C08F 283/02 (2013.01) [C07C 21/18 (2013.01); C07C 69/54 (2013.01); C08F 214/22 (2013.01); C08F 220/22 (2013.01); C08K 3/04 (2013.01); C08K 3/22 (2013.01); C08K 3/32 (2013.01); C09D 127/16 (2013.01); C09D 133/16 (2013.01); C09D 151/08 (2013.01); H01M 4/623 (2013.01); C08K 2003/2203 (2013.01); C08K 2003/2227 (2013.01); C08K 2003/2262 (2013.01); C08K 2003/2289 (2013.01); C08K 2003/2293 (2013.01); C08K 2003/324 (2013.01); C08K 2003/328 (2013.01); C08K 2201/001 (2013.01); C08K 2201/014 (2013.01)] 15 Claims
 
1. A battery electrode comprising a fluorinated copolymer wherein the monomers units of the fluorinated copolymer consist of units based on vinylidene fluoride and units based on a halogenated monomer (1):

OG Complex Work Unit Chemistry
wherein:
R1, R2, and R3 is hydrogen or halogen, and at least one of R1, R2, and R3 is halogen; and
R4 is a fluorinated oligomer of hexafluoropropylene oxide; an alkali metal; or an ammonium, alkylammonium, or alkylarylammonium ion.