Abstract
The mechanical properties and the structure of sections of specimens prepared from rubber scrap – polyolefin compositions were investigated. The comminuted vulcanised rubber scrap rubber scrap was used in an amount of 5 – 75 wt%. The mode of incorporation and the method of preparation of the composition in a single-screw or a twin screw extruder, was examined. The maximum amount of the rubber scrap that can be added to compositions prepared by single screw extruder and a twin screw extruder was found to be up to 75 wt% and up to 30 wt% and for both polyolefins, respectively. Silanes were studied as additives intended to compatibilize thermoplastics and rubber scrap. The mode of incorporation of silanes and the method of preparation of the composition were examined. The mechanism of formation of rubber scrap – polyolefin compositions was defined.
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