Pressure-sensitive electrically conductive elastomeric compositi

Details Pressure-sensitive electrically conductive elastomeric compositi Pressure-sensitive electrically conductive elastomeric compositi

1979-10-10

1981-06-16

Padgett, Benjamin R.

Compositions

Electrically conductive or emissive compositions

Elemental carbon containing

338114, H01B 106

Patent

active

042736820

ABSTRACT:
Disclosed is a pressure-sensitive, electrically conductive elastomeric composition comprising a substrate composed of an organic flexible material and electrically conductive particles consisting of angle-chipped, roundish pebble-like particles of artificial graphite incorporated and dispersed therein. An elastomeric material comprising this composition has such a characteristic property that the electric resistivity is conspicuously and gradiently reduced under application of a pressure from the level maintained when no pressure is applied. This characteristic property is very durable and therefore, the material can be used advantageously for switch elements and the like.

REFERENCES:
patent: 2445660 (1948-07-01), Bruestle
patent: 2951817 (1960-09-01), Meyers
patent: 3457537 (1969-07-01), Hines
patent: 3509296 (1970-04-01), Harshman et al.
patent: 3918020 (1975-11-01), Durocher

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