Patent ID: 9340640
Filing Date: 2016-05-17
CPC Classification: C08G

Claim Text:
1. A polyol (PL) for polyurethane preparation comprising the following polyol (a) and the following strength-enhancing agent (b): polyol (a): a polyoxyalkylene polyol that is an alkylene oxide adduct of an active hydrogen-containing compound (H) which is selected from the group consisting of hydroxyl group-containing compounds and amino group-containing compounds and in which at least 60% of the hydroxyl groups positioned on the terminal are primary hydroxyl group-containing groups, strength-enhancing agent (b): a compound produced through esterification with an alkaline catalyst and represented by the following formula (XIII): in general formula (XIII), R wherein the polyol (a) is represented by the following general formula (II): in general formula (II), R in general formulae (III) and (IV), R wherein said polyol (PL) comprises said polyol (a) in which the portion of moieties (AO)q includes its terminal moiety (AO), at least 60% of the structures A positioned in said terminal moiety (AO) being represented by general formula (VI), and wherein the polyol (a) is contained in a range of 10 to 99.9% by weight based on the weight of polyol (PL), and the strength-enhancing agent (b) is contained in a range of 0.1 to 90% by weight based on the weight of polyol (PL).