FORMATION OF THE PHASE-SEPARATED STRUCTURE OF SEMI-CRYSTALLINE MULTIBLOCK THERMOPLASTIC POLYURETHANES WITH DIFFERENT MACRODIOLS
https://doi.org/10.31143/2221-7789-2023-4-96-102
EDN: FWHCUM
Abstract
A series of multiblock thermoplastic polyurethanes (TPU) with different soft segments based on poly(butylene adipate) diol (PBA) has been synthesized. The phase-separated structure and mechanical properties of TPU were analyzed by FTIR spectroscopy, differential scanning calorimetry, thermal and mechanical analysis. It is shown that the TPUs based on PBA oligomer exhibit excellent mechanical properties, while the samples based on PBA macrodiol of aliphatic nature with incorporated hexamethylene diisocyanate shows increased degree of crystallinity due to a high density of hydrogen bonding network.
About the Authors
M. A. Gorbunova
Federal Research Center for Problems of Chemical Physics and Medical Chemistry RAS
Russian Federation
Russian Federation
A. M. Imamutdinova
Federal Research Center for Problems of Chemical Physics and Medical Chemistry RAS
Russian Federation
Russian Federation
V. A. Lesnichaya
Federal Research Center for Problems of Chemical Physics and Medical Chemistry RAS
Russian Federation
Russian Federation
E. E. Alyanova
Federal Research Center for Problems of Chemical Physics and Medical Chemistry RAS
Russian Federation
Russian Federation
A. F. Abukaev
Federal Research Center for Problems of Chemical Physics and Medical Chemistry RAS
Russian Federation
Russian Federation
D. V. Anokhin
Federal Research Center for Problems of Chemical Physics and Medical Chemistry RAS
Russian Federation
Russian Federation
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Review
For citations:
Gorbunova M.A., Imamutdinova A.M., Lesnichaya V.A., Alyanova E.E., Abukaev A.F., Anokhin D.V. FORMATION OF THE PHASE-SEPARATED STRUCTURE OF SEMI-CRYSTALLINE MULTIBLOCK THERMOPLASTIC POLYURETHANES WITH DIFFERENT MACRODIOLS. Proceedings of the Kabardino-Balkarian State University. 2023;13(4):96-102. (In Russ.) https://doi.org/10.31143/2221-7789-2023-4-96-102. EDN: FWHCUM
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