Rface and high adhesion the of couple of micrometers exhibit a smooth homogeneous surface and higher adhesion to to reinforcing steelsteel substrate ofto 16.116.1 MPa. the reinforcing substrate of up as much as MPa. FTIR and XPS analyses confirmed the formation on the epoxy ilica hybrid structure. formation on the epoxy ilica hybrid structure. FTIR and XPS analyses confirmed Thermal and EIS analyses showed that an intermediate DETA to DGEBA molar ratio intermediate DETA to DGEBA molar ratio Thermal and EIS analyses of 0.4 resulted in hybrid coatings with modified nanostructure that provides a high thermal of 0.4 resulted in hybrid coatings with modified nanostructure that gives a high therstability (328 C) and exceptional long-term anticorrosive functionality in saline and alkaline mal stability (328 ) and excellent long-term anticorrosive functionality in saline and al(pH eight) medium.Zagotenemab web This was confirmed by SAXS and AFM results results revealing the pres-a kaline (pH eight) medium. This was confirmed by SAXS and AFM revealing the presence of uniform a uniform distribution of silica domains having a size of 11.three nmlinked for the epoxy ence of distribution of silica domains having a size of 11.three nm covalently covalently linked matrix,epoxy matrix, resultingroughness of 1.9 nm and also a get in touch with angle of 88.7 . of 88.7 for the resulting inside a surface in a surface roughness of 1.9 nm and also a get in touch with angle Long-term EIS assays of D0.four coatings in 3.5 wt. NaCl and SCPS1 (pH eight) options wt. NaCl and SCPS1 (pH 8) solutions Long-term EIS assays of D0.4 showed excellent durability ofof 330 days maintaininghigh corrosion resistance, having a lowshowed superb durability 330 days maintaining a a higher corrosion resistance, using a two frequency impedance modulus of up of as much as 3.8 G The. improved corrosion performance low-frequency impedance modulus to 3.Incensole Acetate MedChemExpress 8 G cm . cm2 The enhanced corrosion perforof the D0.4 coatings could be related to the presence of lager silica nanodomains filling mance with the D0.4 coatings may be related to the presence of lager silica nanodomains fillthe cross-linked structure of thethe epoxy resin, hence actingas an efficient barrier against ing the cross-linked structure of epoxy resin, hence acting as an effective barrier against electrolyte permeation.PMID:28322188 A related initial efficiency was observed in the SCPS2 resolution was observed inside the SCPS2 solution electrolyte permeation. A similar (pH 14), however, with shorter durability due toto coating degradation induced by hydrol(pH 14), nonetheless, with shorter durability due coating degradation induced by hydrolysis reactions of DGEBA resinresin the silicasilica nanophase harsh atmosphere. ysis reactions of DGEBA and plus the nanophase inside a inside a harsh environment. The results presented right here highlight the potential of epoxy ilica coatings for the The outcomes presented here highlight potential of epoxy ilica coatings for the protection of reinforcing steel in aged carbonated (pH eight) concrete structures and point to (pH 8) concrete structures and point to protection of reinforcing steel in aged their limitations and harsh (pH 14) alkaline electrolytes. their limitations and harsh (pH 14) alkalineSupplementary Components: The following supporting details can can downloaded at: https: Supplementary Materials: The following supporting information be be downloaded at: //mdpi/article/10.3390/polym14173474/s1: Figure S1. Experimental procedureS2. mdpi/xxx/s1″.: Figure S1. Experimental process for epoxy ilica hybrids; Figure f.
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