Abstract
Crumb rubber compositions with starch and cellulose were obtained under the action of shear deformations in a closed type mixer (Brabender). It has been shown that the mechanical characteristics of both compositions differ slightly from each other. When the polysaccharide content in the mixture is increased, the elastic modulus grows and the strength and elongation at break are reduced. The addition of polyethylene glycol slightly affects the values of the mechanical parameters. After exposure of the samples in soil, an increase in mechanical characteristics, which is likely to be due to the occurrence of crosslinking of crumb rubber by radicals formed under the influence of the environment, is observed.
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