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The aim of this work was the modification of crosslink density and structure of rubber vulcanizates in order to control surface energy, mechanical strength under static as well as dynamic conditions and in consequence, tribological properties of the materials. Sulphur vulcanizates of styrene-butadiene rubber, filled with carbon black, were subjected to electron beam radiation in the range from 150 to 200 kGy. Changes in crosslink density and structure were determined applying the method of selective swelling of rubber in “hard” and “soft” solvents. The modification influences the ability of material of energy dissipation and its surface wettability. The changes are discussed from the friction and abrasion of rubber point of view.

Application of Electron Beam Radiation to Modify Crosslink Structure in Rubber Vulcanizates and Its Tribological Consequences