Composite coating on outer surface of metal container
A composite coating and outer surface technology, applied in coatings, polyester coatings, etc., can solve the problems of poor wear resistance and easy peeling of surface coatings, achieve improved adhesion, excellent environmental performance, and ensure integrity and firmness degree of effect
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[0040] The present invention aims at many defects existing in the prior art, and provides an improved coating combination, that is, a composite coating suitable for the outer surface of metal containers, especially tinplate containers, as follows.
[0041] A composite coating on the outer surface of a metal container, coated on a metal substrate, comprising a barrier layer, a coating layer and a protective layer laminated and coated in sequence, the coating layer and the metal substrate The blocking is realized by the barrier layer, and the blocking is realized by the protective layer between the paint layer and the external environment.
[0042] The metal substrate may include tinplate, stainless steel and galvanized aluminum.
[0043] The effect of described barrier layer is to promote the adhesive performance of water-based paint, simultaneously provides certain anticorrosion performance for described metal base material, and described barrier layer comprises following comp...
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