Abstract
The optical constants, namely, the refractive index n and the absorption coefficient κ, have been determined for commercial poly(ethylene terephthalate) films of different types in the range of the IR absorption band at 1410 cm−1 (the band of the internal standard). It has been proposed that the obtained spectra are characteristic of poly(ethylene terephthalate).
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Original Russian Text © N.I. Stas’kov, I.V. Ivashkevich, 2008, published in Vysokomolekulyarnye Soedineniya, Ser. B, 2008, Vol. 50, No. 5, pp. 929–932.
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Stas’kov, N.I., Ivashkevich, I.V. Optical constants of poly(ethylene terephthalate) in the range of 1410-cm−1 IR absorption band. Polym. Sci. Ser. B 50, 120–123 (2008). https://doi.org/10.1134/S1560090408050047
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DOI: https://doi.org/10.1134/S1560090408050047