Liquid coating composition and a process for coating a substrate

Details Liquid coating composition and a process for coating a substrate Liquid coating composition and a process for coating a substrate

1986-03-26

1988-09-20

Kight, John

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

Synthetic resins

From ketone or ketene reactant

528107, 528121, 528122, 528228, 528246, 525110, 525113, 525118, C08G 1200, C08G 5944

Patent

active

047726806

ABSTRACT:
The invention provides a liquid coating composition curable at ambient temperature comprising an acetoacetate groups-containing addition polymer having a number average molecular weight of 1000-100,000, a glass transition temperature of 250.degree.-370.degree. K., a hydroxyl number of 0-200 and a content of acetoacetate groups of 3,5-45% by weight, the acetoacetate groups being present as ester of hydroxyalkyl acrylate, hydroxyalkyl methacrylate or allyl alcohol structural units, and a polyamine having primary and/or secondary amino groups and blocked with an aldehyde or ketone. A process for coating a substrate with such composition is also provided.

REFERENCES:
patent: 3668183 (1972-06-01), Hoy et al.
patent: 3937679 (1976-02-01), Bosso et al.
patent: 4217396 (1980-08-01), Heckles
patent: 4217439 (1980-08-01), Heckles
patent: 4271237 (1981-06-01), Heckles
patent: 4365040 (1982-12-01), Eck et al.
patent: 4408018 (1983-10-01), Bartman et al.

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