acid aqueous medium
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2014 ◽  
Vol 07 (05) ◽  
pp. 1450062 ◽  
Author(s):  
Umesh S. Waware ◽  
Mohd Rashid

Functionalized copolymers of poly(aniline-co-o-iodoaniline) have been synthesized by the chemical oxidative polymerization method by using o-iodoaniline (o-IA) and aniline (AN) as monomer units by changing their molar feed ratio in acid aqueous medium. The physical properties viz; solubility, electrical conductivity have been studied to characterize them. The copolymers possess better solubility than unsubstituted homopolymer in organic solvent such as N -methyl-2-pyrrodinone (NMP). The conductivity of the pressed pellets of as-synthesized copolymers depends upon the content of o-IA in the polyaniline (PANI). The structural confirmation of the copolymer has been explained by Fourier transform infrared spectroscopy study which suggest that AN and o-IA units are uniformly distributed along the polymer chain and thus, the physical properties of copolymers may possibly be tailored by varying the molar feed ratio in copolymerization reactions. The conductivity of the copolymer decreases upon increasing the o-IA content in molar feed, because the introduction of –I- as a functional group reduces the extent of conjugation of the polymer chain.



2011 ◽  
Vol 14 (8) ◽  
pp. 1224-1227 ◽  
Author(s):  
Xin-hui Jiang ◽  
Bao-dui Wang ◽  
Zheng-yin Yang ◽  
Yong-chun Liu ◽  
Tian-rong Li ◽  
...  


2009 ◽  
Vol 54 (7) ◽  
pp. 2077-2085 ◽  
Author(s):  
Marcel Skoumal ◽  
Rosa María Rodríguez ◽  
Pere Lluís Cabot ◽  
Francesc Centellas ◽  
José Antonio Garrido ◽  
...  


2004 ◽  
Vol 43 (3) ◽  
pp. 731-743 ◽  
Author(s):  
Cemal Özeroğlu ◽  
Tuncer Yalçınyuva


2004 ◽  
Vol 39 (4) ◽  
pp. 577-588 ◽  
Author(s):  
José A. Manzanilla-Cano ◽  
Manuel H. Barceló-Quintal ◽  
Eugenio O. Reyes-Salas


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