Hybrid materials based on brominated copolymer isobutylene isoprene/chlorosulfonated polyethylene rubber blends reinforced by nano and micro silica
Budinski-Simendić, Jaroslava K.
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The effects of different particle size of silica (nano-primary particle size 15 nm and micro-primary particle size 28 mu m) on the cure, mechanical, and swelling properties of hybrid materials based on brominated copolymer isobutylene isoprene/chlorosulfonated polyethylene rubber blend were studied. The enhancement in mechanical properties was supported by the data on the increased content of cross-link density obtained from swelling and stress-strain analyses. The interactions between rubber matrix and filler were investigated by Fourier transform infrared spectroscopy with attenuated total reflectance extension and scanning electron microscope. T-g of reinforced blend shifted to 26 degrees C and 30 degrees C for nano and micro silica compounds, respectively.