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Synthesis and applications of electr...

Ku, Bon-Cheol.

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Synthesis and applications of electrically conducting polymer nanocomposites.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Synthesis and applications of electrically conducting polymer nanocomposites./
作者:	Ku, Bon-Cheol.
面頁冊數:	130 p.
附註:	Source: Dissertation Abstracts International, Volume: 66-04, Section: B, page: 2094.
Contained By:	Dissertation Abstracts International66-04B.
標題:	Chemistry, Polymer. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3172912
ISBN:	054211058X

Synthesis and applications of electrically conducting polymer nanocomposites.
Ku, Bon-Cheol.

Synthesis and applications of electrically conducting polymer nanocomposites. - 130 p.

Source: Dissertation Abstracts International, Volume: 66-04, Section: B, page: 2094.

Thesis (Ph.D.)--University of Massachusetts Lowell, 2005.

This research focuses on the synthesis and applications of electrically conducting polymer nanocomposites through molecular self-assembly. Two different classes of polymers, polyaniline (PANI) and polyacetylenes have been synthesized by biomimetic catalysis and spontaneous polymerization method. For gas barrier materials, commercially available polymers, poly(allylamine hydrochloride) (PAH) and poly (acrylic acid) (PAA), have also been used and thermally cross-linked. The morphological, optical and electrical properties of amphiphilic polyacetylenes have been studied. Furthermore, barrier properties, permselectivity, pervaporation properties of polyacetylenes/aluminosilicate nanocomposites have been investigated. For processability and electrical properties of carbon nanotube and conducting polymers, substituted ionic polyacetylenes (SIPA) have been covalently incorporated onto single-walled carbon nanotubes (SWNT) using the "grafting-from" technique.

ISBN: 054211058XSubjects--Topical Terms:

1018428
Chemistry, Polymer.

Synthesis and applications of electrically conducting polymer nanocomposites.
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500 $a Source: Dissertation Abstracts International, Volume: 66-04, Section: B, page: 2094.
500 $a Supervisors: Jayant Kumar; Lynne A. Samuelson.
502 $a Thesis (Ph.D.)--University of Massachusetts Lowell, 2005.
520 $a This research focuses on the synthesis and applications of electrically conducting polymer nanocomposites through molecular self-assembly. Two different classes of polymers, polyaniline (PANI) and polyacetylenes have been synthesized by biomimetic catalysis and spontaneous polymerization method. For gas barrier materials, commercially available polymers, poly(allylamine hydrochloride) (PAH) and poly (acrylic acid) (PAA), have also been used and thermally cross-linked. The morphological, optical and electrical properties of amphiphilic polyacetylenes have been studied. Furthermore, barrier properties, permselectivity, pervaporation properties of polyacetylenes/aluminosilicate nanocomposites have been investigated. For processability and electrical properties of carbon nanotube and conducting polymers, substituted ionic polyacetylenes (SIPA) have been covalently incorporated onto single-walled carbon nanotubes (SWNT) using the "grafting-from" technique.
520 $a In the first study, a nanocomposite film catalyst has been prepared by electrostatic layer-by-layer (ELBL) self-assembly of a polyelectrolyte and a biomimetic catalyst for synthesis of polyaniline. Poly(dimethyl diallylammonium chloride) (PDAC) and hematin have been used as polycation and counter anions, respectively. The absorption spectra by UV-vis-NIR spectroscopy showed that conductive form polyaniline was formed not only as a coating on the surface of the ELBL composites but was also formed in solution. Furthermore, it was found that the reaction rate was affected by pH and concentration of hematin in the multilayers. The feasibility of controlled desorption of hematin molecules from the LBL assembly was explored and demonstrated by changing the pH and hematin concentration. The polymerization rate of aniline in solution was enhanced with decreasing pH of the solutions due to increased desorption of hematin nanoparticles from the multilayers. These ELBL hematin assemblies demonstrated both a way to functionalize surfaces with conductive polyaniline and a potential method of reusability of the catalyst for improved cost effectiveness.
520 $a For fabrication of multifunctional nanocomposite membranes, (P2EPy-R/Saponite) n on NafionRTM substrate was demonstrated by electrostatic layer-by layer assembly technique. (Abstract shortened by UMI.)
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650 4 $a Engineering, Materials Science. $3 1017759
650 4 $a Plastics Technology. $3 1023683
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710 2 0 $a University of Massachusetts Lowell. $3 1017839
773 0 $t Dissertation Abstracts International $g 66-04B.
790 1 0 $a Kumar, Jayant, $e advisor
790 1 0 $a Samuelson, Lynne A., $e advisor
790 $a 0111
791 $a Ph.D.
792 $a 2005
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