Influence of hydrolysis on the chemical polymerization of aniline

Gospodinova, Natalia; Mokreva, P.; Terlemezyan, L.

doi:10.1016/0032-3861(94)90425-1

Cited by 48 publications

(25 citation statements)

References 12 publications

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“…This supposition is corroborated by the presence of oxygen in deprotonated PANI samples, as well as by the presence of absorption bands of hydrolyzed structures in IR and NMR spectra of polymers (Kriz et al, 2011;Kellenberger et al, 2011). In the opinion of the authors (Gospodinova et al, 1994), hydrolysis of active sites proceeds continually both during oligomerization and after termination of polymer growth. The hydrolyzed terminal amino group effectively blocks any further growth reactions, because it cannot add monomer; therefore, aniline oxidation cannot be considered as a process proceeding without termination (i.e., "living" polymerization).…”

Section: Termination Of Chain Growthmentioning

confidence: 51%

Oxidative Polymerization of Aniline: Molecular Synthesis of Polyaniline and the Formation of Supramolecular Structures

Sapurina¹,

Shishov²

2012

New Polymers for Special Applications

102

128

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Section: Termination Of Chain Growthmentioning

confidence: 51%

Oxidative Polymerization of Aniline: Molecular Synthesis of Polyaniline and the Formation of Supramolecular Structures

Sapurina¹,

Shishov²

2012

New Polymers for Special Applications

102

128

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“…The oxidation of PANI from emeraldine to the pernigraniline state depends on the electrochemical potential of the system, which in turn depends on (i) the oxidation potential and concentration of oxidizing agents used, (ii) the oxidation potential of PANI chains, and (iii) the pH of the system …”

Section: Resultsmentioning

confidence: 99%

Synthesis of gold-polyaniline nanocomposites by complexation

Kabomo

Scurrell

2016

Polym. Adv. Technol.

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Complexation synthesis methods have been examined in the preparation of nanogold–polyaniline systems. This extends work previously reported on the use of a spontaneous redox coupling of aniline polymerization to the reduction of a gold salt added to the monomer and mixed initially at the molecular level. The extension involves the addition of an additional reducing agent in the form of borohydride. The end product of the nanoparticle Au–PANI composite is very much a function of the borohydride : Au and N : Au ratios used in the synthesis. The size of the resulting gold particles can be directly tuned in the diameter range 2–10 nm by adjusting the borohydride : Au ratio used. Thorough characterization of the structures of the composites has been undertaken. Copyright © 2016 John Wiley & Sons, Ltd.

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“…An obvious semicircle shape could be observed in CCM s-4 , indicating relatively higher interfacial resistance and decreased conductivity. This may be explained the fact that the synthesis of PANI could be accomplished in 4 h and would suffer from hydrolysis in the following reaction time [39]. Further, the extra synthesized PANI may block the diffusion channel of ions into the inner space of the electrodes.…”

Section: Resultsmentioning

confidence: 99%

Modified Carbon Fiber Paper-Based Electrodes Wrapped by Conducting Polymers with Enhanced Electrochemical Performance for Supercapacitors

Tan

Zhou

et al. 2018

Polymers

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An easy approach to fabricating carbon fiber paper (CFP) based electrodes has been developed. This method can be mainly divided into two steps, for which the mixture of cellulose nanofibers (CNFs) and carbon nanotubes (CNTs) was first deposited on the surface of carbon fiber paper through a vacuum filtration device followed by immersing the hybrid paper into concentrated aniline solution to polymerize polyaniline (PANI). Compared to carbon fiber paper, the acid-treated carbon fiber paper (A-CFP)-based electrode provides more active sites, which are beneficial for the polymerization of polyaniline. The mixture of CNFs and CNTs could coat on the A-CFP by vacuum-filtration due to the high hydrophilicity of A-CFP improved by acid-treatment. PANI with different polymerization time was in-situ synthesized on the surface of the hybrid paper to form a three-dimensional cross-linked structure that greatly enhanced the electrochemical performance of the electrode by improving high capacitance, high rate-capability, and long cycle-life. Moreover, the assembled symmetrical supercapacitor showed a high area capacitance of 626 mF·cm−2 and an energy density of 87 µWh·cm−2. This facile, easy performed, and low-cost strategy may provide a feasible method for the production of supercapacitor electrodes.

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Influence of hydrolysis on the chemical polymerization of aniline

Cited by 48 publications

References 12 publications

Oxidative Polymerization of Aniline: Molecular Synthesis of Polyaniline and the Formation of Supramolecular Structures

Oxidative Polymerization of Aniline: Molecular Synthesis of Polyaniline and the Formation of Supramolecular Structures

Synthesis of gold-polyaniline nanocomposites by complexation

Modified Carbon Fiber Paper-Based Electrodes Wrapped by Conducting Polymers with Enhanced Electrochemical Performance for Supercapacitors

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