Coating processes – With post-treatment of coating or coating material – Heating or drying
Patent
1984-07-05
1994-06-28
Lovering, Richard D.
Coating processes
With post-treatment of coating or coating material
Heating or drying
427226, 4273763, 427379, 427380, 4274191, 4274192, 4274197, B05D 138, B05D 302
Patent
active
053245415
ABSTRACT:
A post treatment for protection from degradation at elevated temperatures of carbon and graphite materials to which have been applied a silicon carbide primary coating. The treatment comprising coating the substrate with a first film comprising monoaluminum phosphate, water, particulate silicon carbide, silicon carbide felt, alumina, and .boron; curing the first film, applying over the first film, a second film comprising monoaluminum phosphate, water, alumina and boron; curing the second film, applying a third film comprising water, sodium silicate, sodium borate, boron, particulate silicon carbide and silicon carbide felt; curing the third film, applying a fourth film comprising sodium borate, water, sodium silicate, boron and alumina which is cured after application.
REFERENCES:
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patent: 3955034 (1976-05-01), Fletcher et al.
patent: 4072530 (1978-02-01), Hirame et al.
patent: 4399168 (1983-08-01), Kullander et al.
patent: 4465777 (1984-08-01), Shuford
patent: 4471023 (1984-09-01), Shuford
Loral Vought Systems Corporation
Lovering Richard D.
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