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US 12,609,363 B2Granted
Phosphorylated vinyl acetate copolymer, separator, and non-aqueous electrolyte battery including the same
AssigneeLG Energy Solution, Ltd.
InventorsKyung An Kwon, Kyu Seong Lee
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Abstract
A flame retardant group-containing polymer, a separator of a non-aqueous electrolyte battery comprising the flame retardant group-containing polymer, and a non-aqueous electrolyte battery. The flame retardant group-containing polymer includes a first repeating unit, a second repeating unit, and a third repeating unit.
Claims13
A flame retardant group-containing polymer comprising:
- a first repeating unit represented by Chemical Formula 1, a second repeating unit represented by Chemical Formula 2, and a third repeating unit represented by Chemical Formula
- in Chemical Formula 1, R1 is hydrogen or an alkyl having 1 to 8 carbon atoms,
- in Chemical Formula 2, R21 is an acetate (CH3COO—) group,
- in Chemical Formula 3, R31 is —(C—O)O—, R32 is a phosphorus-containing flame retardant group, and R33 is a —CN, —NO2, —CO—R34, —CON—R34, or —COO—R34, wherein R34 is hydrogen, or an alkyl having 1 to 5 carbon atoms.
1 more element
Dependencies are inferred from the claim text.