Paper Information

Journal:   IRANIAN POLYMER JOURNAL (ENGLISH)   FEBRUARY 2005 , Volume 14 , Number 2 (56); Page(s) 147 To 154.
 
Paper: 

SELECTIVITY IN INTERPOLYMER COMPLEXATION INVOLVING PHENOLIC COPOLYMER, POLYELECTROLYTES, NON-IONIC POLYMERS AND TRANSITION METAL IONS

 
 
Author(s):  VASHEGHANI FARAHANI B.*, HOSSEIN POUR RAJABI F.
 
* Department of Chemistry, Faculty of Science, Imam Khomeini International University Qazvin-34194, I.R. Iran
 
Abstract: 

Selectivity in interpolymer complex formation involving a typical four-component phenolic copolymer (p-chlorophenol-p-aminophenol-p-toluidine-p-cresol- HCHO copolymer), polyelectrolytes such as polyethylene imine (PEI) and Polyacrylic acid (PAA), a non-ionic homopolymer polyvinyl pyrrolidone (PVP), and some transition metal ions (e.g., Cu (II), Ni (II)) have been studied in dimethylformamide (DMF)-methanol solvents mixture. The coordinating groups of phenolic copolymer form complexes through hydrogen bonding and ion-dipole interactions. The different stages of interactions have been studied by several experimental techniques, e.g., viscometry, potentiometry and conductometry. Some schemes have been suggested to explain the mode of interaction between these components.

 
Keyword(s): SELECTIVITY, PHENOLIC COPOLYMER, POLYELECTROLYTES, NON-IONIC POLYMER, METAL ION
 
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