Rust-inhibiting primer composition

C - Chemistry – Metallurgy – 23 – F

Patent

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C23F 15/00 (2006.01) C09D 5/08 (2006.01)

Patent

CA 1274080

ABSTRACT OF THE DISCLOSURE The novel rust-inhibiting primer compositions are in the form of highly stable emulsions. Besides the per se known components of the film-formers, chelating agents and acid activators, the compositions contain up to 6% W of silica powder, up to 1% W of an anionic heteropolysaccharide and up to 10% W of air-drying oils. In comparison with known agents, the novel primer compositions exhibit improved application properties and enhanced anti-rust characteristics.

497922

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