INGREDIENT FOR SECONDARY CELL SEPARATOR COATING MATERIAL, SECONDARY CELL SEPARATOR COATING MATERIAL, SECONDARY CELL SEPARATOR, AND SECONDARY CELL

An ingredient for a secondary cell separator coating material includes a resin which is a reaction product of a modified methylolmelamine condensation resin having an acid group and polyvinyl alcohol, or the modified methylolmelamine condensation resin having the acid group and the polyvinyl alcohol.