Gasket for high temperature application having sealant of phenyl

Details Gasket for high temperature application having sealant of phenyl Gasket for high temperature application having sealant of phenyl

1978-07-03

1979-09-25

Robinson, Ellis P.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

277235A, 277235B, 277DIG6, 427387, 427383C, 427374R, 428405, 428447, 428450, 428480, 428482, B32B 516, B65D 5300

Patent

active

041691857

ABSTRACT:
A gasket and a process for preparing it are disclosed characterized in that the gasket is especially adapted for high temperature application, for example, in the range of about 1200.degree. F. to about 1600.degree. F. The gasket comprises a metallic base sheet having a sealant coating comprising a flexible, heat-cured, phenyl-substituted, hydrocarbyl-substituted polysiloxane resin containing metallic powder, such as aluminum powder, dispersed therein. Preferably, the polysiloxane resin contains at least 10 mole percent of the phenyl radical and may include in admixture an alkyd resin to assist in imparting flexibility.

REFERENCES:
patent: 2289620 (1942-07-01), Bernstein
patent: 2605194 (1952-07-01), Smith
patent: 2695186 (1954-12-01), Balfe
patent: 2891879 (1959-06-01), Rohrer
patent: 3305504 (1967-02-01), Huntington
patent: 3505099 (1970-04-01), Neuroth
patent: 3560244 (1971-02-01), Neuroth
patent: 3667993 (1972-06-01), Stevenson
patent: 3926539 (1975-12-01), Lamm
patent: 4042747 (1977-08-01), Breton
Encyclo. Polymer Science and Tech.,vol. 12, p. 464 and pp. 531-552, John Wiley, 1970.

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