The crosslink density of styrene butadiene rubber/nano copper oxide nanocomposites

Styrene butadiene rubber (SBR) is one of the most applicant rubbers in the world which could be used in the industrial usages and medical applications. In other some works, combination of styrene butadiene rubber with other rubbers could be used for composite and nanocomposites applications. In this paper, crosslink density of rubber based nanocomposites have been investigated by swelling test. Results showed that nano copper oxide nano copper oxide affect the crosslink density content of nanocomposites with presence of nano copper oxide. Moreover, extraction and swelling tests of nanocomposites has been carried out. The results showed that the nano copper oxide increased the amount of average molecular weight between two crosslinks.