EMI shielding effectiveness of thermoplastics

Compositions – Electrically conductive or emissive compositions – Elemental carbon containing

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524439, 524440, 524441, 523137, H01B 106

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active

045966702

ABSTRACT:
Improved surface conductivity and EMI shielding effectiveness at high frequencies are obtained in thermoplastic compositions by the incorporation therein of a novel, synergistic combination of conductive fillers.

REFERENCES:
patent: 3766095 (1971-11-01), Mastrangelo
patent: 4243460 (1981-01-01), Nagler
patent: 4388422 (1983-06-01), Gerteisen et al.
patent: 4404125 (1983-09-01), Abolins et al.
Bigg, D. M. and E. J. Bradbury; "Conductive Polymeric Composites from Short Conductive Fibers"; Battelle, pp. 23-38.
Simon, R. M.; "EMI Shielding through Conductive Plastics", Polymer--Plastics Technology and Engineering, vol. 17(1), pp. 1-10 (1981).
Smoluk, G.; "Making the Right Choice in EMI/RFI Shielding Among . . . Fillers, Compounds, Coatings", Modern Plastics International, pp. 46-49, Sep., 1982.
Davenport, D. E.; "Metalloplastics: High Conductivity Materials", Polymer News, vol. 8, pp. 134-137, 1982.
Wehrenberg, R. H.; "Today's Conductive Plastics Combine Shielding plus Strength", Materials Engineering, pp. 37-43, Mar., 1982.
Galli, E.; "Expanding Options for EMI Shielding", Plastics Design Forum, pp. 17-26, Nov./Dec., 1982.

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