NDLI: Structure and properties of conducting poly(o-phenylenediamine) synthesized in different inorganic acid medium

Content Provider	Springer Nature Link
Author	Samanta, Siddhartha Roy, Poulomi Kar, Pradip
Copyright Year	2016
Abstract	Poly(o-phenylenediamine) was chemically synthesized from the monomer o-phenylenediamine in various inorganic acid medium, viz., hydrochloric (HCl), sulphuric (H$_{2}$SO$_{4}$) and phosphoric acid (H$_{3}$PO$_{4}$) to investigate the differences in structures and properties of the synthesized polymers. From the various characterizations, it was confirmed that the ladder type polymer with some open ring structure was formed in HCl medium while open ring type amine derivative of polyaniline structure was obtained in H$_{2}$SO$_{4}$ medium and the ladder type dimer was formed in H$_{3}$PO$_{4}$ medium. The structural differences of the polymers were correlated with the polymerization mechanism in different acid medium. Thus, the polymer synthesized in H$_{2}$SO$_{4}$ was well soluble in polar organic solvent like dimethyl sulfoxide (DMSO), N,N-dimethyl formamide, tetrahydrofuran etc. and casting of freestanding film was possible from DMSO solution. The highest average DC conductivity of H$_{2}$SO$_{4}$ doped polymer synthesized in H$_{2}$SO$_{4}$ medium was observed as 7.14×10$^{−4}$ S/cm. The conductivity and doping properties of the polymer were explained here from the proper characterizations.
Starting Page	342
Ending Page	349
Page Count	8
File Format	PDF
ISSN	15985032
Journal	Macromolecular Research
Volume Number	24
Issue Number	4
e-ISSN	20927673
Language	English
Publisher	The Polymer Society of Korea
Publisher Date	2016-04-26
Publisher Place	Seoul
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	poly(o-phenylenediamine) conjugated polymer doping conducting polymer polyaniline derivative Polymer Sciences Soft and Granular Matter, Complex Fluids and Microfluidics Physical Chemistry Characterization and Evaluation of Materials Nanochemistry Nanotechnology
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Materials Chemistry Chemical Engineering Polymers and Plastics

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