Solid electrolyte composition, solid electrolyte-containing sheet, electrode sheet for all-solid state secondary battery, all-solid state secondary battery, and methods for manufacturing solid electrolyte-containing sheet, electrode sheet for all-solid state secondary battery, and all-solid state secondary battery

EXAMPLES AND COMPARATIVE EXAMPLES

[0316]

[0317]Heptane (200 parts by mass) was added to a 1 L three-neck flask equipped with a reflux cooling pipe and a gas introduction cock, nitrogen gas was introduced thereinto at a flow rate of 200 mL / min for 10 minutes, and heptane was heated to 80° C. A liquid prepared in a separate container (a liquid obtained by mixing butyl acrylate (manufactured by Wako Pure Chemical Industries, Ltd.) (110 parts by mass), methyl methacrylate (manufactured by Wako Pure Chemical Industries, Ltd.) (30 parts by mass), acrylic acid (manufactured by Wako Pure Chemical Industries, Ltd.) (10 parts by mass), a macromonomer MMC-1 (60 parts by mass in terms of the solid content amount), and a polymerization initiator V-601 (trade name, manufactured by Wako Pure Chemical Industries, Ltd.) (2.0 parts by mass) was added dropwise thereto for two hours, and then stirred at 80° C. for two hours. After that, V-601 (1.0 g) was added to the obtained mixture, and, furthermore, th