Abstract
The effect of various factors on the kinetics of the consumption of the comonomers during polymerization of ethylene with acetylene on vanadium- and titanium-containing complex catalysts and on the structure of the products formed has been studied. The kinetic method shows that the reactivity of acetylene in the course of copolymerization on complex catalysts exceeds that of ethylene. The copolymerization products of ethylene with acetylene are coloured, contain conjugated and vinyl double bonds, attach ozone, bromine, iodine and maleic anhydride, display paramagnetism and contain a considerable quantity of the crystalline phase. All this indicates that they are block copolymers of ethylene with acetylene. It is shown that the block copolymers in the course of combined polymerization of the two monomers can form only with the condition k 12→0 and k 21→0.
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