USE FOR BINDER-RESIN COMPOSITION, RESIN COMPOSITION FOR TREATING SURFACE OF SUBSTRATE FOR SEPARATOR FOR NONAQUEOUS-ELECTROLYTE SECONDARY BATTERY, SEPARATOR FOR NONAQUEOUS-ELECTROLYTE BATTERY, METHOD FOR MANUFACTURING SAID SEPARATOR, AND NONAQUEOUS-ELECTROLYTE SECONDARY BATTERY

The present invention provides a binder-resin composition (a) for binding filler particles to a surface of a separator substrate for a nonaqueous-electrolyte secondary battery. The use of this composition makes it possible to give a separator excellent in heat resistance. The binder-resin compositio...

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Bibliographische Detailangaben
Hauptverfasser: SUZUKI JUNJI, YOSHIMARU CHIKAE, HASEGAWA HIROHIKO
Format: Patent
Sprache:eng
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Zusammenfassung:The present invention provides a binder-resin composition (a) for binding filler particles to a surface of a separator substrate for a nonaqueous-electrolyte secondary battery. The use of this composition makes it possible to give a separator excellent in heat resistance. The binder-resin composition (a) is a resin composition including a water-soluble polymer (A) having a metal carboxylate group, and a water-soluble polymer (B) having a hydroxyl group, a carboxyl group or a sulfo group. However, the composition does not include a copolymer C that includes a structural unit (1) derived from vinyl alcohol and a structural unit (2) derived from a metal salt of acrylic acid.