Stabilized polyolefinic compositions and method for preparing same

Claim 1

A COMPOSITION OF MATTER WHICH IS PARTICULARY STABLE TO ULTRAVIOLET HIGH COMPRISING POLYETHLYLENE AND FROM ABOUT 0.01 TO ABOUT 2.00 PERCENT OF THE WEIGHT OF THE POLYETHYLENE OF NON-DARKENING RUBBER ANTIOXIDANT ADDITIVE SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF CONDENSATION PRODUCTS OF ACETONE AND ANILLINE MEKLTING AT ABOUT 120*C., 4,4'' CYCLOHEXYLIDENE DIPHENOL, REACTION PRODUCTS OF ACETONE AND PARA-MINOBIPHENYL, TRIALKYL-SUBSTITUTED PHENOL COMPOUNDS IN WHICH THE ALKYL SUBSTITUENTS CONTAIN NOT MORE THAN ABOUT 4 CARBON ATOMS, SAID COMPOUNDS MELTING AT ABOUT 70*C., AND SYM. D-BETA-NAPHTHYLPARA-PHENYLENEDIAMINE, SAID ANTIOXDIANT BEING IN COMBINATION WITH FROM ABOUT 0.1 TO ABOUT 2.00 PERCENT OF THE WEIGHT OF THE POLYETHENE OF AN ULTRAVIOLET LIGHT ABSORBING ADDITIVE SUBSTANCES SELECTED FROM THE GROUP CONSISTING OF 2,4-DIBENZOYL RESORCINOL; 4-6 DIBENZOYL RESORCINOL; MIXTURES OF THE 2,4-ISOMER AND THE 4,6-ISOMER OF DIBENZOYL RESORCINOL; 2,4-TRIBENZOYL RESORCINOL; 2,4-DI(2CHLOROBENZOYL) RESORCINOL; 2,4 - DI(4- CHLOROBENZOYL) RESORCINOL; 2,4-DI(2,4-DICHLOROBENZOYL) RESORCINOL; AND DIBENZOYL (4-CHLORO RESORCINOL).