US 12,322,754 B2
Polymer, additive for nonaqueous electrolyte solutions, nonaqueous electrolyte solution, and lithium ion secondary battery
Yuki Shibano, Funabashi (JP)
Assigned to NISSAN CHEMICAL CORPORATION, Tokyo (JP)
Appl. No. 17/765,670
Filed by NISSAN CHEMICAL CORPORATION, Tokyo (JP)
PCT Filed Sep. 29, 2020, PCT No. PCT/JP2020/036750
§ 371(c)(1), (2) Date Mar. 31, 2022,
PCT Pub. No. WO2021/065844, PCT Pub. Date Apr. 8, 2021.
Claims priority of application No. 2019-181410 (JP), filed on Oct. 1, 2019.
Prior Publication US 2022/0393237 A1, Dec. 8, 2022
Int. Cl. C08G 73/02 (2006.01); H01M 4/36 (2006.01); H01M 4/485 (2010.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 10/0525 (2010.01); H01M 10/0567 (2010.01); H01M 10/44 (2006.01); H01M 4/02 (2006.01)
CPC H01M 10/0567 (2013.01) [H01M 4/366 (2013.01); H01M 4/485 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 10/0525 (2013.01); H01M 10/446 (2013.01); H01M 2004/028 (2013.01); H01M 2220/20 (2013.01); H01M 2300/0025 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A polymer comprising repeating units of formula (1) below

OG Complex Work Unit Chemistry
(wherein n is an integer of 1 or more;
R1 is a monovalent aliphatic hydrocarbon group of 1 to 60 carbon atoms that may be substituted with Z1, a monovalent aromatic hydrocarbon group of 6 to 60 carbon atoms that may be substituted with Z2 or a monovalent heterocycle-containing group of 2 to 60 carbon atoms that may be substituted with Z2;
L is a single bond, a divalent aliphatic hydrocarbon group of 1 to 60 carbon atoms that may be substituted with Z1, a divalent aromatic hydrocarbon group of 6 to 60 carbon atoms that may be substituted with Z2 or a divalent heterocycle-containing group of 2 to 60 carbon atoms that may be substituted with Z2;
Ar is a (2+n)-valent aromatic hydrocarbon group of 6 to 60 carbon atoms that may be substituted with Z2 or a (2+n)-valent heterocycle-containing group of 2 to 60 carbon atoms that may be substituted with Z2;
Z1 is a halogen atom, an amino group, a hydroxyl group, a nitro group, a cyano group, an oxo group, a carboxyl group, a sulfo group, a phosphate group, a thiol group, a silyl group, a monovalent aromatic hydrocarbon group of 6 to 60 carbon atoms that may be substituted with Z3 or a monovalent heterocycle-containing group of 2 to 60 carbon atoms that may be substituted with Z3;
Z2 is a halogen atom, an amino group, a hydroxyl group, a nitro group, a cyano group, an oxo group, a carboxyl group, a sulfo group, a phosphate group, a thiol group, a silyl group or a monovalent aliphatic hydrocarbon group of 1 to 60 carbon atoms that may be substituted with Z3; and
Z3 is a halogen atom, an amino group, a hydroxyl group, a nitro group, a cyano group, an oxo group, a carboxyl group, a sulfo group, a phosphate group, a silyl group or a thiol group).