High-molecular-weight polyaniline

The high reactivity of the 6/Pd-catalyst was exploited in the preparation of high molecular weight polyaniline, Eq. (93) [99]. After thermolytic deprotection of the Boc protecting groups and air oxidation, emeraldine, the conductive form of polyanihne was obtained. 

Introduction Conventional Route for Synthesizing High-Molecular-Weight Polyaniline Improved Route for Synthesizing High-Molecular-Weight Polyaniline Base-Processing Route for the Fabrication of... 

Synthesis of High-Molecular-Weight Polyaniline for Fiber Spinning... 

Conventional Route for Synthesizing High-Molecular-Weight Polyaniline... 

Concentrations of HB and B are measurable by spectroscopy, and pK values of the acids HB" " are well known. Hammett acidity function. Ho, scales are useftil for comparing different acid media for acid strength. Typically, the Hammett acidity functions for the reaction mixtures to synthesize high-molecular-weight polyaniline are in the range —2 < Hq < 0.5. 

The fibers that are described in the following section were spun from a 12 wt% PANI-AMPSA/DCAA dope solution with the high-molecular-weight polyaniline synthesized in-house (M 280,000 g/mol). 

MacDiarmid, A.G., S.K. Manohar, and L.H.C. Mattoso. 1996. High molecular weight polyanilines and synthetic methods therefor. US Patent 5,519,111. 

Adams, P.N., P.J. Laughlin, A.P. Monkman, and A.M. Kenwright. 1996. Low temperature synthesis of high molecular weight polyaniline. Polymer 37 3411. 

Bowman, D., and B.R. Mattes. 2005. Conductive fibre prepared from ultra-high molecular weight polyaniline for smart fabric and interactive textile applications. Synth Met 154 9. 

Mattoso, L.H.C., A.G. MacDiarmid, and A.J. Epstein. 1997. Controlled synthesis of high molecular weight polyaniline and poly(o-methoxyaniline). Synth Met 68 1. 

P. N. Adams, A. P. Monkman, Characterization of high molecular weight polyaniline synthesized at —40°C using a 0.25 1 mole ratio of persulfate oxidant to aniline, Synthetic Metals 1997, 87, 165. 

M. Abe, A. Ohtani, Y. Umemoto, S. Akizuki, M. Ezoe, H. Higuchi, K. Nakamoto, A. Okuno, Y. Noda, Soluble and high molecular weight polyaniline, Chemical Communications 1989, 1736. 

Mattoso et al. [1028] polymerized aniline at —40°C in the presence of LiCl and HQ to yield a high-molecular-weight polyaniline. A similar procedure has been applied to prepare poly(o-methor aniline) [1029]. 

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