Compound and process for sealing spaces in electrical instrument

Details Compound and process for sealing spaces in electrical instrument Compound and process for sealing spaces in electrical instrument

1979-04-23

1980-04-29

Jacobs, Lewis T.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

252 637, 252 66, 260 338UA, 260 4234, 427 58, C08J 930

Patent

active

042006988

ABSTRACT:
A compound for sealing electrical instruments comprises a bromo-terminated butadiene polymer, a liquid chlorinated hydrocarbon which functions as a solvent for the polymer, a cross-linking agent and an epoxydized cycloolefin. The sealing compound may also include inert organic filler materials and gaseous substances, the latter imparting a foam consistency and a higher degree of compressability to the compound. The process for sealing the electrical instrument preferably involves a first and second component which are mixed together to form the sealing compound before being introduced into the instrument wherein it hardens at ambient temperature.

REFERENCES:
patent: 2902451 (1959-09-01), Ross
patent: 4097913 (1978-06-01), Lapp et al.

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