Conclusions
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1.
The possibility of polymerizing 1,2-dimethylenecyclobutane with organolithium initiators has been demonstrated. The microstructure of the polymers obtained is determined by the nature of the solvent; in a hydrocarbon medium the 1,4-structural unit is mainly. formed, while in a polar solvent the 1,2-structural unit predominates.
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2.
The anionic copolymerization constants of 1,2-dimethylenecyclobutane with butadiene in hydrocarbon and polar media have been determined.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 9, pp. 1993–1995, September, 1988.
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Yurkovetskii, A.V., Kofman, V.L. & Makovetskii, K.L. Polymerization of 1,2-dimethylenecyclobutane by organolithium initiators. Russ Chem Bull 37, 1782–1784 (1988). https://doi.org/10.1007/BF00962487
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DOI: https://doi.org/10.1007/BF00962487