Process for introducing electrical conductivity into high-temper

Details Process for introducing electrical conductivity into high-temper Process for introducing electrical conductivity into high-temper

1987-08-27

1989-10-24

Barr, Josephine

Compositions

Electrically conductive or emissive compositions

252518, 252514, H01B 100

Patent

active

048760323

ABSTRACT:
High-temperature electrically conducting polymers. The in situ reactions: AgNO.sub.3 +RCHO.fwdarw.AG.sup.0 +RCOOH and R.sub.3 M.fwdarw.M.sup.0 3R, where M=Au or Pt have been found to introduce either substantial bulk or surface conductivity in high-temperature polymers. The reactions involving the R.sub.3 M were caused to proceed thermally suggesting the possibility of using laser means for initiating such reactions in selected areas or volumes of the polymeric materials. The polymers successfully investigated to date are polyphenylquinoxaline, polytolylquinoxaline, polyquinoline, polythiazole, and pyrrone.

REFERENCES:
R. Liepins et al., "High Temperature Conductive Polymers II. A New Technique for Introducing Conductivity", Synthetic Metals 15, 249-258 (1986).
R. Liepins et al., "Electride Doping of Soluble High Temperature Polymers", Mol. Cryst. Liq. Cryst. 105, 151-159 (1984).
Raimond Leipens et al., "Electron-Donor Dopant, Method of Improving Conductivity of Polymers by Dopingh Therewith, and a Polymer so Treated", U.S. patent application Ser. No. 635,020, filed Jul. 27, 1984.
Mahmoud Aldissi et al., "Electrically Conductive Alternating Copolymers", U.S. patent application Ser. No. 07/091,927, filed Aug. 31, 1987.
"Heart Cut", Chemtech, p. 389 (Jul. 1987).
"Metallization Patterns by Thermal Decomposition", NASA's Jet Propulsion Laboratory, Pasadena, Calif., NASA Tech Briefs, pp. 163-164 (Fall 1985).

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