The effect of surface modification of vulcanized rubbers on the adhesive strength |
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Authors: | V A Kozlov Yu I Lyakin V Ya Kiselev |
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Affiliation: | (1) Moscow State Academy of Fine Chemical Technology, ul. Ormanskaya 3, Moscow, 121552, Russia |
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Abstract: | Results of a study are reported on the utilization of ground vulcanizate, which is a waste product of rubber prcoessing plants. Loaded stocks of various commercial rubbers act as objects for the study. Talc, kaolin, silicon dioxide, and furnace carbon black are used as fillers. According to the results of a study on the effect of the amount of rubber crumb, an increase in the content of unmodified crumb leads to a decrease in tear resistance that is associated with poor wettability. To increase wettability, we use organosilicon couplings. It is shown that the addition of vulcanizate to rubber stocks, together with highly dispersed fillers treated with organosilicon couplings, leads to a significant increase in tear resistance and makes it possible to significantly reduce the cost of production and utilization. |
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