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Carbon dioxide was copolymerized with 2‐methylaziridine and 1‐phenethylaziridine in the presence of organozinc coordination catalysts. Fully alternating copolymers–polyurethanes were obtained. Relations between reaction conditions and polymer yield are given. On the basis of these results a probable scheme of the copolymerization reaction is proposed.
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Kuran et al. (1979) studied this question.
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