New type of liquid rubber and compositions based on it
2014
Semikolenov, S. V. | Nartova, A. V. | Voronchikhin, V. D. | Dubkov, K. A.
The new method for producing the functionalized polymers and oligomers containing carbonyl C=O groups is developed. The method is based on the noncatalytic oxidation of unsaturated rubbers by nitrous oxide (N₂O) at 180–230 °С. The proposed method allows obtaining the new type of functionalized rubbers—liquid unsaturated polyketones with regulated molecular weight and concentration of C=O groups. The influence of the liquid polyketone addition on properties of rubber-based composites is investigated. The study indicates good prospects of using the liquid polyketones for the improvement of properties and operating characteristics of the various types of rubbers and the rubber–cord systems.
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