metodo para produzir poliois, poliois, uso de poliois, e, metodo para produzir poliuretanos

摘要

The invention provides a method for producing polyols, comprising the steps of a) reacting unsaturated natural fats, unsaturated natural fatty acids and/or fatty acid esters with dinitrogen monoxide, b) reacting the product obtained in step a) with hydrogen using a heterogeneous catalyst.