New conducting thermoplastic elastomers. I. Synthesis and chemical characterization

摘要: In the last 20 years, much interest has been focused on conducting polymers to find new materials transfer from research industry. However, in many cases, as for elastomers which intrinsically are unavailable, it is necessary use particles that physically mixed with polymeric matrix give loaded rubbers. this work we report synthesis and chemical characterization of an material good mechanical electrical conduction properties. To achieve such a global goal, covalently linked, by amidation reaction, terminal NH2 Emeraldine (EB) sulfonated (SPAN) free carboxylic group belonging repetitive unit functionalized segmented polyurethane. The reaction was carried out activating N,N′-dicyclohexylcarbodiimide N-hydroxysuccinimide. yields properties were studied proton carbon-13 nuclear magnetic resonance, ultraviolet, Fourier transform infrared spectroscopy. average numbers EB or SPAN aromatic rings per polyether urethane acid (PEUA) unit, cannot be assumed degree because at moment molecular weights inserted chains 6 case polymer obtained pristine 1 Emeraldine. This result could used acidic form, depresses nucleophilicity presence sulfonic protons. © 2002 Wiley Periodicals, Inc. J Appl Polym Sci 83: 857–867,