Pressure sensitive conductor

Details Pressure sensitive conductor Pressure sensitive conductor

1979-02-26

1981-11-24

Barr, J. L.

Compositions

Electrically conductive or emissive compositions

Elemental carbon containing

252506, 252507, 252511, 252512, 252513, 252514, 252518, 252519, 252520, 338114, H01B 104

Patent

active

043023614

ABSTRACT:
A pressure sensitive conductor consists essentially of (I) an electrically insulating rubber (excluding addition reaction type liquid silicone rubber), (II) 25 to 50% by volume of electrically conductive metal particles (preferably 40 to 200.mu. in particle size) and (III) 5 to 20% by volume of carbon black, and having a JIS A hardness of at least 40. Said conductor may optionally contain (IV) 0.1 to 5% by volume of a mono-, di- or trialkyl titanate. This pressure sensitive conductor has high mechanical strength, a rapid electrical response to deformations, a low hysteresis of the electrical resistance variation on application and release of pressure, and minimized change of the pressure-resistivity curve under repeated deformations.

REFERENCES:
patent: 4028276 (1977-06-01), Harden et al.
patent: 4138369 (1979-02-01), Arai et al.
patent: 4138369 (1979-02-01), Arai et al.
patent: 4152304 (1979-05-01), Tadewald

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