Abstract
The 1500-1700 cm-1 frequency region in the spectrum of PAN copolymer fibre is structurally sensitive and can be used for the relative characterization of intra- and intermolecular interactions and level of supermolecular structural organization in fibres fabricated in different conditions, in particular, as a function of the nature of the solvent. In the systematic investigation of PAN copolymer fibres, the selectivity of absorption in the indicated frequency region could be analytically useful for further studies to solve both scientific and applied problems.
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