Abstract
The synthesis of polyurethane block based on oligoesterdiols 4,4′-methylene-bis(phenylisocyanate), and various chain elongating agents was studied. The properties of these copolymers were compared (using literature data) with selected properties of polyurethanes obtained by the reactions of oligoetherdiols, viz., oligo-3,3′-bis(azidomethyl)oxetanediol and oligo-3-azidomethyl-3′-methyloxetanediol with diisocyanates. The complex of rheological and physicomechanical properties of the initial and plasticized polyurethane block copolymers was studied. Regularities of their deformation behavior were established. The process of mutual solubility was studied by the microinterference method for a wide range of systems block copolymers—plasticizers. On the basis of the data obtained, the phase diagrams were constructed for limitedly compatible systems.
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Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 9, pp. 1900—1906, September, 2011.
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Mikhailov, Y.M., Ganina, L.V., Tereshatov, V.V. et al. Synthesis and physicochemical properties of polyurethane block copolymers and their compositions with plasticizers. Russ Chem Bull 60, 1933–1939 (2011). https://doi.org/10.1007/s11172-011-0291-8
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DOI: https://doi.org/10.1007/s11172-011-0291-8