Polymers and polyurethanes comprising the polymer structure

Abstract

A polyurethane comprising a structure derived from a polymer, the polymer being a reaction product of a diol component (A) and a component (B), wherein the diol component (A) is at least one of the group consisting of a diol (a1) represented by general formula (I) and a diol (a2) represented by general formula (II), and the component (B) is at least one of the group consisting of a dicarboxylic acid (b1) and a carbonate (b2): (in each general formula, the symbols are as defined in the specification).