A copolymer having an arrangement of block chains in an order of B1, C1 , A, C2, and B2, wherein the block chains A, B1, B2, C1 and C2 are as defined herein, is provided, The copolymer is useful as a composition for a polymer solid electrolyte and for poly...

The present invention provides a polymer solid electrolyte excellent in thermal properties, physical properties and ion conductivity and being close to practical level; especially, a totally solid electrolyte and a composition for producing the same. A com...

A curable resin composition, which is a solid resin at ordinary temperatures obtained by reacting an epoxy resin with a (meth)acrylic anhydride, contains an unsaturated resin having a (meth)acryloyl group (A) which has a double bond equivalent weight of 20...