Anticorrosive metal surface treating composition

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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106 1414, 148 620, C08J 324

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047058218

ABSTRACT:
An anticorrosive metal surface pretreating composition comprising an aqueous emulsion of hard polymer microparticles and a water soluble chromium compound, the polymer microparticles being prepared by emulsion polymerization of .alpha.,.beta.-unsaturated monomers including polyfunctional monomer(s) or monomer(s) capable of resulting polymer with a specific Tg value in the presence of a particular type of polymer as an emulsifier and a chromium compound, including specified amounts of trivalent chromium.

REFERENCES:
patent: 4183772 (1980-01-01), Davis
patent: 4540733 (1985-09-01), Ito et al.
Derwent Abstract, Accession No. 82-16310E/09, Japanese Pat. No. J56109260-A, Aug. 29, 1981.

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