Anti-corrosive pigment and anti-corrosive aqueous paint

Compositions: coating or plastic – Coating or plastic compositions – Corrosion inhibiting coating composition

Patent

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Details

106 1439, 106 1444, 106304, 106306, 252387, 260 292EP, 260 292E, 260 296MM, 260 37EP, 260 40R, 260 42, 423594, C09D 508

Patent

active

042253527

ABSTRACT:
An anti-corrosive pigment comprises an ion oxide-calcium oxide sintered composite of an average particle size in a range of 0.7-7 .mu.m, which contains at least 25% by weight of 2CaO.Fe.sub.2 O.sub.3 and has a extremely low water-solubility of calcium content. An anti-corrosive aqueous paints contains the above pigment and has a superior storage stability without causing a gellation.

REFERENCES:
patent: 3519386 (1970-07-01), Fedock et al.
patent: 3904421 (1975-09-01), Shimizu et al.

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