2017 (1) 6

https://doi.org/10.15407/polymerj.39.01.44

Investigation of b-cyclodextrin-containing pseudorotaxane by pyrolysis mass spectrometry method

L.A. Orel, V.V. Boyko, V.I. Bortnitskiy, L.V. Kobrina, S.I. Sinelnikov, S.V. Riabov

Institute of Macromolecular Chemistry NAS of Ukraine

48, Kharkivske shose, Kyiv, 02160, Ukraine

Polym. J., 2017, 39, No. 1: 44-48.

Section: Structure and properties.

Language: Ukrainian.

Abstract:

Recently, in the field of supramolecular chemistry much attention is paid to obtain a rotaxanes, which are inclusion complexes consisting of cyclic molecules being strung on a linear molecule. According to a specialists opinion involved in the supramolecular area, one of the most difficult task is to define a composition of rotaxane’s inclusion complex. The method of pyrolysis mass spectrometry allows the structure of “host-guest” complex to be investigated.

In this work the structure of pseudorotaxane based on b-cyclodextrin and polyoxypropylenedimethacrylate was studied by the pyrolysis mass spectrometry method. A probable composition of ion fragments and intensity of their emissions in the mass spectra was established during pyrolysis of pure both b-cyclodextrin and polyoxypropylenedimethacrylate, their physical mixture and pseudorotaxane. Thus, the results obtained confirm the formation of pseudorotaxane’s structure.

Key words: b-cyclodextrin, pseudorotaxane, pyrolysis mass spectrometry, pyrolysis, structure.

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