Electromagnetic radiation shielding composites and method of pro

Details Electromagnetic radiation shielding composites and method of pro Electromagnetic radiation shielding composites and method of pro

1980-07-17

1983-04-05

Thurlow, Jeffery R.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264 27, 264104, 264105, 264DIG45, H05B 660, H02M 304

Patent

active

043790984

ABSTRACT:
A method is disclosed for the preparation of an electromagnetic shielding composite which exhibits high conductivity and low resistance. The method comprises applying an electrical potential difference across a composite comprised of an electrically conductive material dispersed within a matrix material to increase the conductivity of the composite. An electrical current of sufficient magnitude is then passed through the composite to further increase the conductivity of the composite while maintaining the electrical potential difference at a value which does not exceed the value of the electrical potential difference which was previously applied.

REFERENCES:
patent: 2321587 (1943-06-01), Davie et al.
patent: 2406714 (1946-08-01), Strickland, Jr.
patent: 3194860 (1965-07-01), Ehrreich
patent: 3393257 (1968-07-01), Cable
patent: 4216423 (1980-08-01), Davenport
patent: 4227037 (1980-10-01), Layton
patent: 4243460 (1981-01-01), Nagler
Gul, V. E. et al., "Microbreakdown Effect of Polymers with a Dispersed Conducting Filler", Doklady Akademii Nauk SSSR, vol. 194, No. 3, pp. 632-634, Sep., 1970.
Gul, V. E., "Effect of the Structure of Electrically Conducting Polymer Compositions on Their Properties Review", Vysokomol Soyed, vol. 20, No. 10, pp. 2163-2174, 1978.

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