A comparison of thermal- and solvent-induced relaxation of poly(ether ether ketone) using Fourier transform Raman spectroscopy

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Journal Article
Spectrochimica Acta Part A: Molecular Spectroscopy, 1991, 47 (9-10), pp. 1299 - 1303
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The paper describes a study of the application of Fourier transform Raman spectroscopy as a means of identifying the extent of the surface plasticisation of a poly(ether ether ketone) by a known plasticising solvent, toluene. Spectra are described for the solvent-polymer system and compared with the spectra for the polymer alone at various temperatures. The data tentatively indicate that the surface state of the polymer, when in contact with toluene at 25°C, corresponds to a fictive temperature of the solvated polymer at about 120°C. The polymer may thus be regarded as being extensively plasticised in these solvent environments. © 1991.
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