Sorbitol derivatives as nucleators and clarifiers for polyolefins, and polyolefin compositions obtained therewith.

摘要

Disclosed are certain 1,3-2,4-di(substituted arylidene)-and 1,3-2,4-di(substituted heteroarylidene)-D-sorbitols which are useful as clarifying and nucleating additives for crystalline and semi-crystalline polyolefin compositions. Also disclosed are such poly(C1-C8 alpha olefin) compositions containing them.