A Fourier transform Raman study of water sorption by Kevlar-49

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Journal Article
Polymer Bulletin, 1995, 35 (6), pp. 727 - 733
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The Fourier transform (FT) Raman spectrum of poly (p-phenylene terephthalamide) (Kevlar-49) is reported. Additional bands, not observed in the conventional Raman spectrum, have been assigned. The changes to the FT-Raman spectrum of Kevlar due to the presence of water have also been examined. As a consequence of the intensity changes to certain Raman modes in this preliminary study, it is postulated that water molecules form liquid-like clusters between the crystallite regions of Kevlar fibres. © 1995 Springer-Verlag.
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