SHOE MATERIALS PREPARED FROM VEGETABLE OIL-BASED POLYURETHANES

摘要

A sockliner or shoe insert for use in combination with footwear to cushion a foot inserted in the footwear, the sockliner or shoe insert comprising a material prepared from a polyurethane forming composition which comprises: (A) a polyisocyanate and (B) a mixture of a vegetable oil, a cross-linking agent comprised of a multi-functional alcohol present in a ratio to said vegetable oil such that there are at least 0.7 moles of OH groups per mole of bulk vegetable oil, a catalyst, and a blowing agent.