Fig. 6 | Heritage Science

Fig. 6

From: Polyurethane coatings used in twentieth century outdoor painted sculptures. Part I: comparative study of various systems by means of ATR-FTIR spectroscopy

Fig. 6

FTIR spectra of four black 2KFPU topcoats from different manufacturers; Fluoranar Series 1072 by Tnemec, Fluorokem by Sherwin-Williams, Coraflon by PPG and Carboxane 950 by Carboline. All of them exhibit a strong IR double absorption at ca. 1110 and ca. 1065 cm−1 in accordance with the typical F–C stretching region

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