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https://open.uns.ac.rs/handle/123456789/14995
Nаziv: | Curing and mechanical properties of chlorosulphonated polyethylene rubber blends | Аutоri: | Marković G. Jovanović V. Samaržija-Jovanović S. Marinović-Cincović M. Budinski-Simendić, Jaroslava |
Dаtum izdаvаnjа: | 1-јан-2011 | Čаsоpis: | Chemical Industry and Chemical Engineering Quarterly | Sažetak: | In this paper, the curing and mechanical properties of two series of prepared blends, i.e., chlorosulphonated polyethylene (CSM)/isobutylene-co-isoprene (IIR) rubber blends and chlorosulphonated polyethylene (CSM)/chlorinated isobutylene- co-isoprene (CIIR) rubber blends were carried out. Blends were prepared using a two-roll mill at a temperature of 40-50 °C. The curing was assessed using a Monsanto oscillating disc rheometer R-100. The process of vulcanization accelerated sulfur of pure rubbers and their blends was carried out in an electrically heated laboratory hydraulic press under a pressure of about 4 MPa and 160 °C. The stress-strain experiments were performed using a tensile tester machine (Zwick 1425). Results indicate that the scorch time, ts2, and optimum cure time, tc90, increase with increasing CSM content in both blends. The value of modulus at 100 and 300% elongation and tensile strength increases with increasing CSM content, whereas elongation at break shows a decreasing trend. The enhancement in mechanical properties was supported by data of crosslink density in these samples obtained from swelling measurement and scanning electron microscopy studies of the rubber blends fractured surfaces. | URI: | https://open.uns.ac.rs/handle/123456789/14995 | ISSN: | 14519372 | DOI: | 10.2298/CICEQ110315017M |
Nаlаzi sе u kоlеkciјаmа: | TF Publikacije/Publications |
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