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Synthesis and electrical properties ...

Kim, Seong-cheol.

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Synthesis and electrical properties of functionalized polyanilines.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Synthesis and electrical properties of functionalized polyanilines./
作者:	Kim, Seong-cheol.
面頁冊數:	107 p.
附註:	Source: Dissertation Abstracts International, Volume: 67-06, Section: B, page: 3157.
Contained By:	Dissertation Abstracts International67-06B.
標題:	Chemistry, Polymer. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3221067
ISBN:	9780542744662

Synthesis and electrical properties of functionalized polyanilines.
Kim, Seong-cheol.

Synthesis and electrical properties of functionalized polyanilines. - 107 p.

Source: Dissertation Abstracts International, Volume: 67-06, Section: B, page: 3157.

Thesis (Ph.D.)--University of Massachusetts Lowell, 2006.

New synthetic methods for the polymerization were investigated via biocatalysis. The enzyme, Horseradish peroxidase (HRP) was used to synthesize the functionalized polyanilines. The biocatalytic route has significant importance because the chemical and electrochemical methods sometimes do not allow the monomers polymerized.

ISBN: 9780542744662Subjects--Topical Terms:

1018428
Chemistry, Polymer.

Synthesis and electrical properties of functionalized polyanilines.
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245 1 0 $a Synthesis and electrical properties of functionalized polyanilines.
300 $a 107 p.
500 $a Source: Dissertation Abstracts International, Volume: 67-06, Section: B, page: 3157.
500 $a Advisers: Jayant Kumar; Lynne A. Samuelson.
502 $a Thesis (Ph.D.)--University of Massachusetts Lowell, 2006.
520 $a New synthetic methods for the polymerization were investigated via biocatalysis. The enzyme, Horseradish peroxidase (HRP) was used to synthesize the functionalized polyanilines. The biocatalytic route has significant importance because the chemical and electrochemical methods sometimes do not allow the monomers polymerized.
520 $a In the second chapter, the enzymatic synthesis of the aniline which has carboxylic acid (CA) was investigated with polycationic templates at moderately acidic pH (pH 4&sim;6).
520 $a In the third chapter, the unusual doping behavior of PCA/template complex at pH 13 was discussed. It was assumed that the conductivity at pH 13 was due to the generation of n-type polaron. The mole ratio between PCA and template was changed to prove the role of the template on the n-doping of PCA/polycation.
520 $a In the fourth chapter, the synthesis of self-doped sulfonated polyaniline (PSA) with cationic surfactants was fully discussed. PSA was recovered after precipitation-polymerization via charge compensation between the negatively charged polymer and the positively charged surfactant micelle. UV-Vis spectra showed that PSA generates n-type polaron peak from pH 7, which is much lower pH condition than PCA system.
520 $a In the fifth chapter, the synthesis of polyaniline without templates was discussed. The problem of the enzyme-catalyzed synthesis of a polyaniline was that the anionic template was always necessary to generate conducting form of polyaniline. The synthesized PANIs were soluble in water and can be functionalized simply by incorporating functional groups in the ortho or meta position.
520 $a In the final chapter, the synthesis of Poly(aniline-co-anilinebenzeneboronic acid [aniline-co-ABA]) with sulfonated polystyrene at mild pH condition was discussed. The optimum polymerization condition depended on the solubility of anilineboronic acid. The UV-Vis spectra and the result of conductivity measurement showed that a large amount of the weak dopant, B(OH)2 actually impede the doping process of a polyaniline backbone. (Abstract shortened by UMI.)
590 $a School code: 0111.
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710 2 0 $a University of Massachusetts Lowell. $3 1017839
773 0 $t Dissertation Abstracts International $g 67-06B.
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 2006
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3221067