High solids oil free polyester industrial protective coating

Details High solids oil free polyester industrial protective coating High solids oil free polyester industrial protective coating

1984-11-13

1986-07-01

Page, Thurman K.

Coating processes

With post-treatment of coating or coating material

Heating or drying

4273855, 4273883, 4273935, 427435, 524158, 524315, 524317, 524364, 524447, B05D 302, C08K 542

Patent

active

045979987

ABSTRACT:
An oil free polyester high solids formulation giving a protective coating having corrosion resistance, surface hardness. The coating includes a highly methylated melamine cross-linking agent; an acid catalyst; a polar solvent system; wetting, defoaming and anti-sagging agents; and pigments. The composition has low VOC, high solids content, and controlled viscosity. It may be applied by hot tank dipping, flow coating, air or electrostatic spraying, with subsequent curing at 300.degree.-350.degree. F. for about 20 minutes.

REFERENCES:
patent: 3436367 (1969-04-01), McInerney
patent: 4195102 (1980-03-01), Turpin
patent: 4206264 (1980-06-01), Kurr
patent: 4268547 (1981-05-01), Backhouse
patent: 4272291 (1981-06-01), Shtern et al.
patent: 4326888 (1982-04-01), Frew

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