The Raman spectra of high modulus polyethylene fibres by Raman microscopy

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Raman-microscopy has been used to analyse a series of high modulus polyethylene fibres. The high degree of orientation within the material means that upon 90° rotation of the samples and/or polarisation analyser, marked variations in band intensities occur throughout the spectra. Measurements of the 1131: 1064 cm−1 band intensity ratio of the fibres are made and related to their Young's modulus. This relationship is useful in morphological studies of polyethylene fibres.

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