Electrically conductive rubber

Details Electrically conductive rubber Electrically conductive rubber

1979-12-14

1983-05-03

Barr, J. L.

Compositions

Electrically conductive or emissive compositions

Elemental carbon containing

252503, 252506, 252507, 252509, 252508, H01B 106

Patent

active

043820247

ABSTRACT:
An electrically conductive silicone rubber composition having a positive, non-linear, temperature coefficient of resistance and which is substantially non-conductive at a temperature above a predetermined transition temperature, the composition comprising up to 25% based on total material weight of conducting carbon black, from 29% to 62% based on total material weight of at least one additive having a particle size between 0.005 microns and 100 microns, being compatible with the rubber, and having a melting point above the curing temperature of the rubber.

REFERENCES:
patent: 2436306 (1948-02-01), Johnson
patent: 2526059 (1950-10-01), Zabel
patent: 3099578 (1963-07-01), Hunter
patent: 3385959 (1968-05-01), Ames et al.
patent: 3742423 (1973-06-01), Chadwick
patent: 4035336 (1977-07-01), Jordan et al.
patent: 4051454 (1977-09-01), Leiser et al.
patent: 4071496 (1978-01-01), Kraus et al.
patent: 4273697 (1981-07-01), Sumimura et al.

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