The character of hydration in aqueous solutions of poly(1-vinylazoles)

Сафронов, А. П.; Tager, A.A.; Sharina, S.V.; Лопырев, В. А.; Yermakova, T.G.; Tatarova, L. A.; Kashik, T.N.

doi:10.1016/0032-3950(89)90333-x

Cited by 4 publications

(2 citation statements)

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“…This is caused by an increase in intermolecular solvation due to the crosslinking of polymer macromolecules by metal nanoparticles under the influence of plural cooperative forces. Since the solubility of copolymers occurs due to the formation of hydrogen bonds between carboxyl groups and the triazole ring, 37,38 the hydration process is significantly competed with the intermolecular bonding of macromolecules with the help of surface silver nanoparticles.…”

Section: Resultsmentioning

confidence: 99%

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Electrosynthesis of silver metallonanocomposites in the 1-vinyl-1.2.4-triazole copolymer matrix with methacrylic acid

Sargsyan

Khizantsyan

et al. 2023

Polymers and Polymer Composites

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Silver nanocomposites were synthesized by the electrochemical method in the matrix of a copolymer of 1-vinyl-1,2,4-triazole with methacrylic acid, by combining the process of electrochemical polymerization with cathodic precipitation of metals on metal electrodes. In the electronic spectra of nanocomposites, absorption bands appear with a maximum in the region of 417–421 nm, which is typical for systems with zero valence silver. The IR spectra show that the polymer structure hardly changes during the formation of nanocomposites and films. The presence of silver in the amorphous polymer phase is indicated by the results of X-ray diffraction studies. The silver content in nanocomposites is 0–9%, which leads to an increase in the viscosity of nanocomposite solutions compared to solutions of the initial copolymers. Transmission electron microscopy data show that the synthesized nanocomposites consist of particles with a diameter of 1–12 nm, predominantly spherical.

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Section: Resultsmentioning

confidence: 99%

“…Since the solubility of copolymers occurs due to the formation of hydrogen bonds between carboxyl groups and the triazole ring, 37,38 the hydration process is significantly competed with the intermolecular bonding of macromolecules with the help of surface silver nanoparticles.…”

Section: Resultsmentioning

confidence: 99%