Method of spraying a mixture of polyol resin, methylene diphenyl

Details Method of spraying a mixture of polyol resin, methylene diphenyl Method of spraying a mixture of polyol resin, methylene diphenyl

1991-08-22

1992-03-10

Beck, Shrive

Coating processes

Nonuniform coating

Mask or stencil utilized

427302, 427340, 4273855, 4274071, 427421, D05D 132

Patent

active

050948873

ABSTRACT:
A sprayable ablative coating formulation comprises a combination of a polymeric resin, a curing agent, cork flour and a vehicle such as toluene. The mixture is sprayable using conventional spray equipment. The surface to be coated is first sprayed with a primer to improve adhesion, and the mixture is then sprayed over the primed surface until a desired thickness if formed. Once cured, the coating has a uniform fine texture and thickness, providing thermal insulation for the coated surface. Pigments may be added to the formulation to achieve specified coloration of the coating.

REFERENCES:
patent: 3607354 (1971-09-01), Krogh et al.
patent: 3607513 (1967-06-01), Samson
patent: 3619306 (1968-09-01), Berthmann
patent: 3761047 (1973-09-01), Mao
patent: 4431697 (1984-02-01), Rolinski et al.

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