FT-IR spectroscopic investigations on sol–gel-derived coatings from acid-modified titanium alkoxides

Add time:09/02/2019    Source:sciencedirect.com

Sol–gel-derived coatings with potentially bioadhesive properties for application on implant metals were prepared from the reaction products of titanium alkoxides and endogenous organic molecules, i.e., trans-propene-1,2,3-tricarboxylic acid, l-cysteine, l-leucine and taurine. Spin coated titanium substrates and amorphous solids isolated from the modified alkoxide sols were characterized by means of FT-IR spectroscopy. Free functional groups, like thiol, carboxylate and sulphonate could be detected. On the basis of spectroscopic data, coordination modes were deduced and molecular structure proposals were given for the new species.

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