HEAT RESISTANT LAYER COMPOSITION, LITHIUM SECONDARY BATTERY SEPARATOR COMPRISING HEAT RESISTANT LAYER FORMED THEREFROM, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

摘要

The present invention relates to: a heat resistant layer composition; a heat resistant layer formed therefrom; and a lithium secondary battery separator and a lithium secondary battery which comprise same, the heat resistant layer composition comprising: an acrylic copolymer comprising a first structural unit, which is derived from (meth)acrylamide, and a second structural unit, which comprises at least one from among a structural unit derived from (meth)acrylic acid or a (meth)acrylate, a structural unit derived from (meth)acrylonitrile and a structural unit derived from (meth)acrylamidosulfonic acid or a salt thereof; a cross-linking agent containing at least one functional group from among an aldehyde group, an epoxy group, an amide group, an imide group, an amine group and a silane-based group; and a solvent.