Insulating coating

Details Insulating coating Insulating coating

1986-01-08

1989-02-21

Kendell, Lorraine T.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428286, 428289, 428290, 428363, 428365, 428377, 428324, B32B 1500, B32B 1700, B32B 2700, H01B 700

Patent

active

048064165

ABSTRACT:
Insulating coatings are disclosed which include an inner layer of glass fabric impregnated with a binding agent supporting particles of mica, followed by two additional layers, of either polytetrafluoroethylene or glass fabric, which readily adhere to each other. The polytetrafluoroethylene decomposes at temperatures of about 1,000.degree. C., at which temperatures the glass fabric melts to convert the coating into a glass coated mica which can maintain its insulating properties both at those high temperatures and upon cooling to lower temperatures.

REFERENCES:
patent: 2427183 (1947-09-01), Berry
patent: 2459653 (1949-01-01), Keyes
patent: 2485691 (1949-10-01), Bogese
patent: 2606134 (1952-08-01), Sanders
patent: 2691694 (1954-10-01), Young
patent: 3226286 (1965-12-01), Scheuer
patent: 3775628 (1973-11-01), Andersson et al.
patent: 4079191 (1978-03-01), Robertson et al.
patent: 4296018 (1981-10-01), Smith et al.
"Glass Fabric Tape, Yarn Coated with Teflon" Chemical Fabrics Corporation.

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