Electrically conducting solid plastics

Details Electrically conducting solid plastics Electrically conducting solid plastics

1990-03-29

1991-10-15

Lesmes, George F.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

252510, 252511, 264 61, 264104, 264105, 427213, 427222, 428323, 428327, 428407, 524495, 524496, B32B 2714, B32B 2718, H01C 124

Patent

active

050573705

ABSTRACT:
The invention relates to electrically conducting solid plastics, the conductivity of which is attributable to their containing finely divided particulate, conducting substances. The electrically conducting solid plastics are comprised of or contain a polymer such as polymethyl methacrylate having a discrete fine-particle structure, and the polymer particles of the polymer are "doped", at least on their surface, with at least one electrically conducting substance such as carbon black in an amount which establishes electrical conductivity. The conducting substance(s) are present in the form of a plurality of conducting particulate solid bodies, and wherein the condition is imposed that the glass temperature (Tg) of the polymer is not exceeded when the conducting substance is mixed with the polymer particles.

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patent: 4579611 (1986-04-01), Broady
patent: 4581158 (1986-04-01), Lin
patent: 4601848 (1986-07-01), Sakai et al.

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