USING RUBBER CRUMB TO PRODUCE CARBON MATERIALS
Keywords:
rubber crumb, carbon material, automobile tires, porosity, heat treatment, specific surface.Abstract
In this work the method of processing of rubber crumb from the fulfilled automobile tires for reception of carbon materials is considered. Processes are studied at temperatures of 300-400 °C obtaining thermal processed carbon materials based on rubber chips. It is established that the spectrum of carbon materials obtained by thermal treatment with IR spectroscopy has functional groups capable of reacting to activated carbons. During heat treatment, the percentage of mass loss of the samples and their specific surface area were determined. According to the results of the analysis it was found that rubber crumbs have a minimum specific surface area. And showed that the specific surface of rubber crumbs, the size of which is less than 0.6 mm, is relatively high. The specific surface treated thermally with a temperature of 350 °C reached its maximum value, which is an effective processing temperature. Сarbon materials obtained from rubber crumbs at temperatures 320 °С, 350 °С and 390 °С contain 83-88 % carbon.
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