The second part of the paper describes the preparation and testing of an organophilized filler and its function in a styrene butadiene elastomer. The effect of incorporation of organofunctional silane-based coupling agents into caoutchouc has been investigated. We have compared the properties of the styrene-butadiene caoutchouc mixture containing surface pretreated synthetic calcium silicate and those of the mixture containing untreated calcium silicate to which the required amounts of silane Si-69 were added immediately before the blending procedure.

In: Amphibia-Reptilia