Patent ID: 8293808

Claim:
A flexible polyurethane foam comprising the reaction product, in the presence of a blowing agent, of: (a) a polyisocyanate; and (b) an active hydrogen-containing composition comprising (i) 1 to 40 parts by weight of a modified vegetable oil-based polyol per 100 parts of active hydrogen-containing composition, and (ii) a polyether polyols, wherein the foam is flexible and has a load efficiency number of at least 7 Newtons/part modified vegetable oil-based polyol, an wherein the modified vegetable oil-based polyol is prepared by a process comprising: (a) providing an epoxidized vegetable oil; and (b) combining the epoxidized vegetable oil with an alcohol and a catalytic amount of fluoroboric acid to form the modified vegetable oil-based polyol.