Electrical insulator

Details Electrical insulator Electrical insulator

1992-04-02

1993-08-17

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523436, 523457, 523458, 523459, 523514, 523515, 523516, 523522, 523526, 174137B, C08L 8316

Patent

active

052369730

ABSTRACT:
An electrical insulator including a thermosetting matrix and a filler composed primarily of powdered material embedded in the thermosetting matrix. The insulator has a high service life in spite of severe mechanical stressing at temperatures of up to 105.degree. C. This is achieved as a result of the thermosetting matrix having a glass transition temperature exceeding 140.degree. C. and the inclusion of a powdered filler, which has a reduced rigidity compared with the thermosetting matrix, embedded in the thermosetting matrix.

REFERENCES:
patent: 4026970 (1977-05-01), Backderf et al.
patent: 4102851 (1978-07-01), Luck et al.
patent: 4104238 (1978-08-01), Chenoweth et al.
patent: 4433081 (1984-02-01), Britsch
patent: 4478963 (1984-10-01), McGarry

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