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Permeable epoxy coating with reactive solvent for anticorrosion of concrete

Concrete usually suffers from deterioration caused by ions and water soaking in the cracks, pores and other defects. We have prepared epoxy solution with carbonyl solvent, where the solvent and epoxy can react with amine (curing agent) to form network. The epoxy solution has remarkable wettability on concrete surface, and it can even permeate into the pores or defects in concrete. After coating with the epoxy solution, the strength of the concrete can be improved to above 9.3 MPa. Particularly, the coated concrete exhibits excellent anticorrosion performance with total charge passed in chloride permeability as low as 130 C.

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Volume 117, April 2018, Pages 29–34

 

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