| abstract |
The composition for a functional layer of a non-aqueous secondary battery of the present invention contains non-conductive particles, a water-soluble polymer, and a water-insoluble polymer, and the water-soluble polymer is contained in a ratio of 70.0% by mass to 99.0% by mass (a base) acrylamide monomer units, the water-insoluble polymer contains ethylenically unsaturated carboxylic acid monomer units in a ratio of 1.5 mass % or more and 5.0 mass % or less, and the electrolyte swelling degree is more than 1.0 times and 3.0 times or less. |