Stabilization of polypropylene

Claim 1

A COMPOSITION OF MATTER COMPRISING PREDOMINANTLY CRYSTALLINE POLYPROPYLENE AND (A) 0.005 TO 2 WEIGHT PERCENT OF A HINDERED PHENOL SELECTED FROM THE GROUP CONSISTING OF 2,4,6-TRIALKYL PHENOLS AND PHENOLS HAVING THE GENERAL FORMULA: 1,3-DI(A-),2,4,5-TRI(R-),6-(B-CNH2N-)BENZENE WHEREIN B IS A RADICAL SELECTED FROM THE GROUP CONSISTING OF: 2,4-DI(A-),3,5,6-TRI(R-)PHENYL, WHEREIN N IS FROM 0 TO 8, ONE A ON EACH IS A HYDROXYL GROUP AND THE OTHER IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND HYDROCARBON RADICALS CONTAINING 1 TO ABOUT 16 CARBON ATOMS, X IS SELECTED FROM THE GROUP CONSISTING OF HYDROXYL AND A HYDROCARBON RADICAL CONTAINING 1 TO ABOUT 16 CARBON ATOMS, AND R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND A HYDROCARBON RADICAL CONTAINING 1 TO ABOUT 16 CARBON ATOMS; AND (B) 0.005 TO 2 WEIGHT PERCENT OF A THIO COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) METAL DITHIOCARBAMATES HAVING THE GENERAL FORMULA: R1-N(-R2)-C(=S)-S-M-S-C(=S)-N(-R2)-R1 WHEREIN M IS SELECTED FROM THE GROUP CONSISTING OF ZINC, CADMIUM AND MERCURY AND R1 AND R2 ARE HYDROCARBON RADICALS CONTAINING FROM 1 TO ABOUT 6 CARBON ATOMS, (2) TRITHIOPHOSPHITES HAVING THE FORMULA: R-S-P(-S-R'')-S-R" 2-X,3-((2,4-DI(A-),3,5,6-TRI(R-)PHENYL)-CNH2N-),4,5,6TRI(R-)PHENYL AND 2-X,3,5,6-TRI(R-),4-((2,4-DI(A-),3,5,6-TRI(R-)PHENYL)CNH2N-)PHENYL WHEREIN R, R'', R" ARE HYDROCARBON RADICALS EACH HAVING FROM ABOUT 6 TO ABOUT 20 CARBON ATOMS, (3) THIO ETHERS HAVING THE GENERAL STRUCTURAL FORMULA R-S-R, WHEREIN R IS A HYDROCARBON RADICAL HAVING FROM ABOUT 6 TO ABOUT 20 CARBON ATOMS, AND (C) 0.0 TO 2 WEIGHT PERCENT OF AT LEAST ONE MATERIAL SELECTED FROM THE GROUP CONSISTING OF (I) A SOAP OF METAL FROM GROUP II, III OR IV OF THE PERIODIC TABLE AND (II) EPOXY COMPOUNDS.