Abstract
Some organo‐metallic pigments namely copper phthalocyanine, metal and metal free biphthalocyanines, halogenated copper phthalocyanine and two inorganic pigments (red and yellow iron oxides) were incorporated into styrene butadiene rubber mixes (SBR). The rheometric characteristics and mechanical properties of the compounded rubber were investigated. The antioxidant efficiency of the above mentioned pigments were evaluated. Beside their good colouring effect the synthesized copper and nickel biphthalocyanines and the commercial red iron oxide have a significant effect on the properties of rubber vulcanizates after ageing. In addition, nickel biphthalocyanine and red iron oxide can be successfully used as ultraviolet stabilizers for rubber vulcanizates.
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