Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1982-01-27
1984-02-21
Jacobs, Lewis T.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
174 17GF, 174DIG1, 200148G, C08K 336, C08K 310
Patent
active
044330812
ABSTRACT:
Provided is an electrical insulation body useful in electrical installations operated with SF.sub.6 as a quenching and/or insulating gas. The insulation body is comprised of a thermosetting resin matrix and a mineral filler of predominantly quartz powder and from about 5 to 50 percent by weight of the mineral filler of a second mineral powder component for increasing resistance to SF.sub.6 cleavage products, which second component comprises at least one alkaline earth metal carbonate.
REFERENCES:
patent: 3318995 (1967-05-01), Buckley et al.
patent: 3339013 (1963-06-01), Gainer et al.
patent: 3557447 (1968-11-01), Gruber et al.
patent: 4042550 (1977-08-01), Tuller et al.
BBC Brown Boveri & Company Limited
Jacobs Lewis T.
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