Materials having non-linear electrical resistance characteristic

Details Materials having non-linear electrical resistance characteristic Materials having non-linear electrical resistance characteristic

1975-12-16

1981-02-24

Derrington, James H.

Compositions

Electrically conductive or emissive compositions

Elemental carbon containing

252513, 252514, 252516, 260 336AQ, 260 4222, 260 4232, 260 4233, 260 4246, 260 4247, H01B 104

Patent

active

042526922

ABSTRACT:
A polymer composition containing silicon carbide of a critical maximum average particle size can be processed into heat-shrinkable articles possessing nonlinear electrical resistance characteristics. An embodiment of the invention provides a heat-shrinkable article comprising a laminate of a layer of elastomer, including silicon carbide particles, and a layer of a heat-shrinkable polymeric material. The elastomeric layer may be a blend of a rubbery polymer and a low density polyethylene having dispersed therein particulate silicon carbide of particle size finer than about 300 grit.

REFERENCES:
patent: 3210460 (1965-10-01), Suelmann
patent: 3412200 (1968-11-01), Virsberg et al.
patent: 3849333 (1974-11-01), Loyd et al.

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