Anti-corrosive coating composition

Details Anti-corrosive coating composition Anti-corrosive coating composition

1984-07-03

1985-11-26

Cockeram, Herbert S.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

525452, 528 48, 528 745, 528 78, C08G 1850, C08G 1836

Patent

active

045555362

ABSTRACT:
An anti-corrosive polyurethane coating composition which has excellent anti-corrosive property, water resistance, adhesive property to metals and impact resistance and can be coated thick in one coating operation, comprising (1) a polyol mixture of castor oil or a polyol derived from castor oil and an amine polyol produced by addition reaction of an alkylene oxide to a nitrogen-containing compound having at least 2 active hydrogen atoms such as ammonia, an aliphatic amine or an aromatic amine, the amine polyol having at least 2 hydroxyl groups and a hydroxyl value of at least 150 mgKOH/g, (2) a polyisocyanate compound, and optionally coal tar, an aromatic hydrocarbon oil or resin, or usual paint additives.

REFERENCES:
patent: 2953533 (1960-09-01), Khawam
patent: 3143517 (1964-08-01), Heiss
patent: 3519680 (1970-07-01), Wismer et al.
patent: 3755215 (1973-08-01), Khoury et al.
patent: 3846355 (1974-11-01), Mayer

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