Cyclic imides, their preparation and use

摘要

Cyclic imides of the formula: <IMAGE> in which R represents a saturated or unsaturated, optionally alkyl- or alkenyl-substituted alkylene or cycloalkylene radical having 2-120 C-atoms and R' represents hydrogen or a substituent selected from the group consisting of an alkyl radical having 1-20 C-atoms, an alkenyl radical having 3-5 C-atoms, an aralkyl radical having 7-12 C-atoms, -CH2-CH2-CN, -CH2-CH2-COO-alkyl, -CH2-CH2(CH3)-COO-alkyl an acyl radical or -(CH2-CH2O)nH, wherein n is 1-10 are stabilizers for synthetic resins especially for polyolefins.