Provided are a solid electrolyte composition containing an inorganic solid electrolyte, a polymer having a hydrocarbon polymer segment and a specific bond in a main chain, and a dispersion medium, a solid electrolyte-containing sheet having a layer containing an inorganic solid electrolyte and the polymer, an all-solid state secondary battery, methods for manufacturing a solid electrolyte-containing sheet and an all-solid state secondary battery, a segmented polymer having a hydrocarbon polymer segment and a specific hydrophilic segment, a polymer, and a non-aqueous solvent dispersion of a segmented polymer.

Principles and embodiments of the present invention relate generally to thermoplastic polyurethane materials having controlled and improved stiffness and/or flexibility, and methods to prepare them. The thermoplastic polyurethanes described herein having superior stiffness and softening properties may be fabricated into film, tubing, and other forms of medical devices. The thermoplastic polyurethanes comprise: an aromatic diisocyanate excluding non-aromatic diisocyanates; at least one polyglycol; and a chain extender comprising at least one side-chain branching diol and excluding linear diols.

Disclosed herein are stable aqueous resinous dispersions and methods for forming such dispersions that include a zinc (II) amidine complex.