Mechanical and thermal oxidative destruction was observed during gel spinning of ultrahigh-molecular-weight polyethylene (UHMWPE) high-modulus fibers. Destruction products (DPs) were observed in the solvent and on the surface of finished UHMWPE fibers using optical and scanning electron microscopy. IR spectra of the DPs were compared with those of UHMWPE reactor powder, solid paraffin, and the mineral oil used in the gel-spinning process to show that absorption bands corresponding to terminal aldehydes and acids and unsaturated hydrocarbons and ethers in the UHMWPE were strengthened by the destruction.
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The work was financially supported by the Ministry of Education and Science of the RF in the framework of state support of scientific activities (Project No. 4.5508.2017/BCh) and used equipment at the Common Use Center of Tver State University.
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Translated from Khimicheskie Volokna, No. 6, pp. 3-5, November—December, 2019.
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Sokolov, A.V., Korolev, R.V., Murikhin, K.S. et al. Destruction Products from Gel Spinning of Ultrahigh-Molecular-Weight Polyethylene Fibers. Fibre Chem 51, 409–411 (2020). https://doi.org/10.1007/s10692-020-10122-9
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DOI: https://doi.org/10.1007/s10692-020-10122-9