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This work reports novel anticorrosive epoxy coatings
based on safer dimethyl sulfoxide solvent and free of zinc
anticorrosive pigment. The latter was replaced by conducting
polymers, as nontoxic anticorrosive pigments. The procedure used
for their formulation, spectroscopic characterization, thermal and
mechanical properties have been discussed and compared with those
of conventional epoxy coatings. Furthermore, accelerated and long-
term corrosion assays have evidenced that the new epoxy coatings
protect steel from chlorine aggressive medium for 2880 h and for 2
years in atmospheric corrosive medium. Therefore, the results evidenced an excellent corrosion resistance, excellent application,
and aesthetic appearance of the new coatings.
CitacióMartí, M. [et al.]. Novel epoxy coating based on DMSO as a green solvent, reducing drastically the volatile organic compound content and using conducting polymers as a nontoxic anticorrosive pigment. "ACS Sustainable Chemistry & Engineering", 02 Desembre 2013, vol. 1, núm. 12, p. 1609-1618.