Application of Different Antioxidants in Tire Sidewall Compound
The applications of antioxidant TMPPD,S-TMQ and AW in tire sidewall compounds were comparatively studied.The results showed that the processing performance and vulcanization characteristics of the compound with antioxidant S-TMQ were best.The static ozone aging resistance,heat oxygen aging resistance,and weather aging resistance of vulcanization with antioxidant TMPPD were best,the vulcanization with antioxidant S-TMQ was second best,and the vulcanization with antioxidant AW was worse.Antioxidant S-TMQ and AW had similar structures,but their relative molecular weights were different,and protective properties of them showed great differences.
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