Phase‐separated, conducting composites from polyaniline and benzobisthiazole rigid‐rod polymer

Tan, Loon‐Seng; Simko, Sharon R.; Bai, S. J.; Vaia, Richard A.; Taylor, Barney E.; Houtz, Marlene D.; Alexander, M.; Spry, R. J.

doi:10.1002/polb.1224

Cited by 6 publications

(5 citation statements)

References 32 publications

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“…PANI and its composites with poly(benzobisthiazole) (PBTZ) have been vacuum-cast in its conductive state [61] from solutions in methanesulfonic acid (MSA). At concentrations of PANI in the range 5±90% in the composites, conductivities increase from 8.7 Â 10 À2 to 124 S/cm, respectively.…”

Section: Compositesmentioning

confidence: 99%

Electronically conductive polymers

Jagur‐Grodzinski

2002

Polymers for Advanced Techs

130

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Section: Compositesmentioning

confidence: 99%

Electronically conductive polymers

Jagur‐Grodzinski

2002

Polymers for Advanced Techs

130

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“…As an alternative method for processing polyaniline (PANI) from its conducting (protonated) state, vacuum casting of PANI from an MSA solution provided films with electrical conductivity values of about 130-150 S cm − 1 . In addition, blended films of PANI-MSA and poly(p-phenylenebenzobisthiazole), PBZT have been prepared [64]. This process eliminated the need for a subsequent protonation step and had the additional advantage that the conjugated PBZT may provide alternative conducting pathways.…”

Section: Electrodeposition Of Other Polymer Layersmentioning

confidence: 99%

“…When it is realised that the coating matrix may be metallic or a conducting polymer in concert with a dispersed particulate phase which may be ceramic, polymeric or even a second metal and the particles might be spheroidal, tubular plate-like or fibres having dimensions from several nanometres [64] to tens of micrometres [65], the enormous and widening scope of coatings for surface finishing becomes clear [66]. MSA provides a versatile bath for such coatings in electrochemical surface finishing, including a range of nanocomposites.…”

Section: Electrodeposition Of Two-phase and Composite Coatingsmentioning

confidence: 99%

Versatile electrochemical coatings and surface layers from aqueous methanesulfonic acid

Walsh

León

2014

Surface and Coatings Technology

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Ever tightening environmental pressure together with the continued need for coatings able to meet challenging service environments have stimulated advances in coating technology. In the case of electrochemical techniques, the classical techniques of electrodeposition and anodising are being upgraded to meet the need for modern surface engineering coatings (including nanostructured films) on metals. A major challenge is to retain conventional processing, including aqueous solutions, simple power supplies and existing electrolyte tanks while using cost effective, 'green' electrolytes. One successful direction has been the emergence of electrolytes based on methanesulfonic acid, MSA which has good electrolytic conductivity and is capable of dissolving many metals as well as acting as a useful medium for dispersion of solids prior to electrophoretic coating. A range of application methods result, including electroplating, anodising and electrophoretic deposition from a stable, aqueous sol. A diverse range of coating materials is emerging, including metals, alloys, porous metal oxide films, conductive polymers and many composites. This review illustrates the usefulness and applications of MSA electrolytes using recent examples from the authors' laboratories and others. Developing coatings, including alternating multilayers of Sn and Cu, nanostructured metals, hierarchical pores, nanotubular metal oxides and graphene composites are briefly considered. This is a review with 94 references.

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“…Recently, benzobisthiazole derivatives have attracted great attention because of their conduction properties, – photochromic properties, , and electroluminescence properties. , However, most of the research to date has focused on the derivatives in which electron-rich groups are substituted at the 2 and 6 positions. Until now, the structural and optical properties of 4,8-disubstituted benzobisthiazole derivatives have not been reported.…”

Section: Introductionmentioning

confidence: 99%

Optical and Conformational Studies on Benzobisthiazole Derivatives

et al. 2010

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2,6-Didodecyl-4,8-diphenyl-benzo[1,2-d;4,5-d']bisthiazole (3) and 2,6-didodecyl-4,8-dipyrrole-2-yl-benzo[1,2-d;4,5-d']bisthiazole (5) were synthesized, and their optical properties were investigated in solution and in the solid state. Compounds 3 and 5 were excited with the 325 nm He-Cd laser line to produce blue and green luminescence, respectively. The luminescence of 5 (Phi = 14%) was more efficient than that of 3 (Phi = 5%). Structural and optical properties were further determined with DFT and ZINDO calculations. The planar structure of 5 results in pi --> pi* electronic transitions from the pyrrole moiety to the benzobisthiazole frame, while the twisted geometry of 3 results in luminescence strongly associated with the pi --> pi* transitions within the benzothiazole frame. The effect of solvent on the luminescence properties of 5 is summarized as competition between intra- and intermolecular NH...N hydrogen bonds.

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Phase‐separated, conducting composites from polyaniline and benzobisthiazole rigid‐rod polymer

Cited by 6 publications

References 32 publications

Electronically conductive polymers

Electronically conductive polymers

Versatile electrochemical coatings and surface layers from aqueous methanesulfonic acid

Optical and Conformational Studies on Benzobisthiazole Derivatives

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