Effect of Types of Antioxidants on Crosslink Density and Tensile Properties of Epoxidized Natural Rubber

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Abstract:

The crosslink density and tensile property of epoxidized natural rubber containing 25 mol % expoxidation (ENR25) with different four antioxidants was investigated. The four antioxidants, viz., poly-2,2,4-trimethyl-1,2-dihydroquinoline (RD), N-isopropyl-N'-phenyl-p-phenyl-enediamine (4010NA) , N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenedianine (4020) and 2-mercaptobenzimidazole (MB) were used. The results indicate that the ENR25 vulcanizates with antioxidant 4020 exhibit the higher crosslink density and tensile property, the best thermal oxidation aging resistance.

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Advanced Materials Research (Volumes 750-752)

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824-827

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August 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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