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An environmentally stable, electrical conducting polymer prepared from a conjugated, processable acetylenic monomer
Author(s) -
Walton Theodore R.
Publication year - 1987
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1987.070330324
Subject(s) - monomer , materials science , polymer , polymerization , polymer chemistry , inert gas , conductivity , chemical engineering , inert , boiling , acetylene , composite material , organic chemistry , chemistry , engineering
The synthesis, properties, and polymerization of an acetylene terminated monomer are described. The monomer melts and is thermally polymerized at 150°C and then at 300°C in an air environment. From the liquid stage, the monomer can be fabricated into moldings, castings, and prepregs. As initially cured, the polymer is an insulator. By further thermal processing at elevated temperatures in an inert atmosphere, conductivity can be controllably introduced into the polymer; for example, at 600°C a conductivity of 3.3 (Ω‐cm) −1 is obtained. Exposure of these conductive polymers to either boiling water for 1000 h or temperatures 100°C below their maximum process temperature (400–500°C) for 500–800 h did not produce any significant change in conductivity.