Lubricants for thermoplastic compositions, compositions containing them, process of preparation and process for the manufacture of bottles

摘要

Internal lubricant for thermoplastic compositions, consisting of a coester resulting from the esterification of alimentary aliphatic polyols with a mixture of behenic, arachidic, palmitic and stearic acids, the proportion of behenic acid in this mixture being between 30 and 50% by weight, or of one of its metal soaps.