Boron nitride/elastomeric polymer composition for coating steel

Details Boron nitride/elastomeric polymer composition for coating steel Boron nitride/elastomeric polymer composition for coating steel

1977-12-06

1980-05-13

Silverberg, Sam

Static molds

Including coating or adherent layer

Parting layer

427135, 106 3825, 164 33, 164 72, 252 25, B22C 300

Patent

active

042025230

ABSTRACT:
A composition and method for coating the surface of steel casting dies for molten metals are described. The composition comprises a dispersion of boron nitride powder, an elastomeric polymer and an organic solvent or diluent. The elastomeric polymer consists of two fractions, a high-polymer fraction and a low-polymer fraction. The treatment provides thermal insulation to the mold surface, thereby minimizing premature solidification of the cast metal.

REFERENCES:
patent: 3253932 (1966-05-01), White
patent: 3879301 (1975-04-01), Caerns
patent: 4104096 (1978-08-01), Gass
patent: 4119547 (1978-10-01), Nachtman
patent: 4128486 (1978-12-01), Palmer

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