US 12,394,796 B2
Copolymer for binder for non-aqueous battery electrode, and slurry for producing non-aqueous battery electrode
Tomonori Kurata, Kawasaki (JP); Shuhei Maruta, Yokohama (JP); Kirida Kunanuruksapong, Himeji (JP); and Mitsuru Hanasaki, Himeji (JP)
Assigned to Resonac Corporation, Tokyo (JP)
Appl. No. 17/260,440
Filed by SHOWA DENKO K.K., Tokyo (JP)
PCT Filed Jul. 12, 2019, PCT No. PCT/JP2019/027630
§ 371(c)(1), (2) Date Jan. 14, 2021,
PCT Pub. No. WO2020/017442, PCT Pub. Date Jan. 23, 2020.
Claims priority of application No. 2018-136249 (JP), filed on Jul. 19, 2018.
Prior Publication US 2021/0296651 A1, Sep. 23, 2021
Int. Cl. H01M 4/62 (2006.01); C08F 290/06 (2006.01); H01M 4/13 (2010.01); H01M 10/05 (2010.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01)
CPC H01M 4/622 (2013.01) [C08F 290/062 (2013.01); H01M 4/13 (2013.01); H01M 10/0525 (2013.01); H01M 2004/027 (2013.01)] 13 Claims
 
1. A copolymer for a binder for a non-aqueous battery electrode, which is a copolymer (P) of a monomer mixture (M) comprising:
a monomer (A) represented by general formula (1);
a (meth)acrylic acid monomer (B); and
a monomer (C) represented by general formula (2),
wherein a content of a structure derived from the monomer (A) in the copolymer (P) is 0.5 to 20.0 mass %, a content of a structure derived from the (meth)acrylic acid monomer (B) in the copolymer (P) is 60.0 to 98.5 mass %, and a content of a structure derived from the monomer (C) in the copolymer (P) is 0.5 to 20.0 mass %,

OG Complex Work Unit Chemistry
wherein R1 and R2 each independently represent a hydrogen atom or an alkyl group having 1 to 5 carbon atoms,

OG Complex Work Unit Chemistry
wherein R3, R4, R5, and R6 each independently represent a hydrogen atom or an alkyl group having 1 to 5 carbon atoms, and n is an integer of 1 or more, m is an integer of 0 or more, and (n+m)≥20.