Polyolefin composition with increased resistance to degradation by chlorine dioxide

Polyolefin composition comprising a) a polyolefin base resin (A), b) an amount of 0.01 to 0.5% by weight, based on the total weight of the polyolefin composition at least one antioxidant ( B) having an induction time of initial oxygen (OIT190 ° C) over 35 minutes determined according to test ILO at 190 ° C described herein and having a slope of the curve, when OIT190 ° C in minutes is recorded as a function of exposure time, in minutes, in a test of degradation by chlorine dioxide as described herein, at least -0.07, c) an amount of 0, 01 to 0.5% by weight, based on the total weight of the polyolefin composition at least one antioxidant (C) having an induction time of initial oxygen (OIT190 ° C) of not more than 35 minutes, determined according to test ILO 190 ° C described herein and having a slope of the curve, when ILO1 90 ° C, in minutes, is recorded as a function of exposure time, in minutes, in a test of degradation by chlorine dioxide as described herein, of less than -0.07, and d) an amount of 0.01 to 0.2% by weight, based on the total weight of the polyolefin composition at least one antioxidant (D) according to formula (I) ** ** formula wherein R1, R2, R3 R4 and R5 independently are H, or aliphatic or aromatic hydrocarbyl radical unsubstituted or substituted which may comprise heteroatoms, wherein said polyolefin composition exhibits a resistance against water containing 10 ppm of chlorine dioxide at 70 ° C and pH 6.8 ± 0.1 at least 450 minutes, expressed as time to reach 50% of the initial induction time at 210 ° C (OIT (210 ° C), 50%) oxygen, as determined by the test degradation by chlorine dioxide, as described herein.