The majority of polymers specially polyolefins are known to be susceptible to oxidative degradation during high temperature melt processing, long term storage and throughout end use. Functional anti oxidant additives are commonly used and are effective in maintaining the polymer property profile during manufacturing, delaying breakdown of chains and protecting plastics against Oxidation degradation. Oxidation during extrusion can be avoided by incorporating a secondary antioxidant material, usually phosphates.
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