BETA-NUCLEATING, LIGHT STABILIZING AGENTS FOR POLYPROPYLENE

摘要

The compounds of the formula (I) (I) wherein R1 is hydrogen, CrC8alkyl, -O", -OH, -CH2CN, C -C18alkoxy, C2-C 18alkoxy substituted by -OH; C5-C12cycloalkoxy, C3-C6alkenyl, C7-C9phenylalkyl unsubstituted or substituted on the phenyl by 1, 2 or 3 C1- C4alkyl; or Ci-C8acyl; R2 is hydrogen or methyl; R3 and R4 are hydrogen or methyl; X is C2-C10alkylene or a group of the formula (ll-a-1), (ll-a-2), (ll-a-3), (ll-b-1), (ll-b-2) or (ll-b-3); and i j (ll-b-1) (ll-b-2) (ll-b-3) Y is C5-C12cycloalkyl, C5-C12cycloalkyl substituted by 1, 2 or 3 C1-C4alkyl; or a group of the formula (III) wherein R^ R2, R3 and R4 are as defined above, are suitable as (3- nucleating, light stabilizing agents for polypropylene resins.