Detail publikačního výsledku

High-Resolution Ultrasonic Spectroscopy: Looking at the Interpolyelectrolyte Neutralization from a Different Perspective

KLACIC, T.; JUGL, A.; PEKAŘ, M.; KOVACEVIC, D.

Originální název

High-Resolution Ultrasonic Spectroscopy: Looking at the Interpolyelectrolyte Neutralization from a Different Perspective

Anglický název

High-Resolution Ultrasonic Spectroscopy: Looking at the Interpolyelectrolyte Neutralization from a Different Perspective

Druh

Článek WoS

Originální abstrakt

In this study, the high-resolution ultrasonic spectroscopy (HR-US) technique was applied to examine interpolyelectrolyte neutralization. The mentioned method was tested on the example of complexation between poly(allylammonium) cations and poly(acrylate) anions in aqueous solutions at pH = 7. It was confirmed by HR-US that the type of titration (stepwise or abrupt), the direction of titration, and the type of background salt affect the outcome of interpolyelectrolyte neutralization. The obtained results were explained on the basis of ultrasonic velocity and attenuation changes in the context of suspension compressibility, a parameter that is extremely sensitive to molecular organization and intermolecular interactions. Moreover, the results of HR-US measurements proved to be consistent with previous results obtained by more traditional methods such as dynamic light scattering, microcalorimetry, and electrokinetics. This research demonstrates that HR-US is a convenient and reliable method that can be employed for the investigation of interpolyelectrolyte neutralization and polyelectrolyte-related processes.

Anglický abstrakt

In this study, the high-resolution ultrasonic spectroscopy (HR-US) technique was applied to examine interpolyelectrolyte neutralization. The mentioned method was tested on the example of complexation between poly(allylammonium) cations and poly(acrylate) anions in aqueous solutions at pH = 7. It was confirmed by HR-US that the type of titration (stepwise or abrupt), the direction of titration, and the type of background salt affect the outcome of interpolyelectrolyte neutralization. The obtained results were explained on the basis of ultrasonic velocity and attenuation changes in the context of suspension compressibility, a parameter that is extremely sensitive to molecular organization and intermolecular interactions. Moreover, the results of HR-US measurements proved to be consistent with previous results obtained by more traditional methods such as dynamic light scattering, microcalorimetry, and electrokinetics. This research demonstrates that HR-US is a convenient and reliable method that can be employed for the investigation of interpolyelectrolyte neutralization and polyelectrolyte-related processes.

Klíčová slova

POLYELECTROLYTE COMPLEX- FORMATION; AQUEOUS-SOLUTIONS; AGGREGATING SYSTEMS; PHASE-BEHAVIOR; WATER; IONS; SALT; HYALURONAN; CHLORIDE; DYNAMICS

Klíčová slova v angličtině

POLYELECTROLYTE COMPLEX- FORMATION; AQUEOUS-SOLUTIONS; AGGREGATING SYSTEMS; PHASE-BEHAVIOR; WATER; IONS; SALT; HYALURONAN; CHLORIDE; DYNAMICS

Autoři

KLACIC, T.; JUGL, A.; PEKAŘ, M.; KOVACEVIC, D.

Rok RIV

2024

Vydáno

14.02.2023

Nakladatel

American Chemical Society

ISSN

1520-5835

Periodikum

MACROMOLECULES

Svazek

56

Číslo

4

Stát

Spojené státy americké

Strany od

1434

Strany do

1445

Strany počet

12

URL

https://pubs.acs.org/doi/10.1021/acs.macromol.2c02349

Plný text v Digitální knihovně

http://hdl.handle.net/11012/209244

BibTex

@article{BUT183120,
  author="Tin {Klačić} and Adam {Jugl} and Miloslav {Pekař} and Davor {Kovačević}",
  title="High-Resolution Ultrasonic Spectroscopy: Looking at the Interpolyelectrolyte Neutralization from a Different Perspective",
  journal="MACROMOLECULES",
  year="2023",
  volume="56",
  number="4",
  pages="1434--1445",
  doi="10.1021/acs.macromol.2c02349",
  issn="0024-9297",
  url="https://pubs.acs.org/doi/10.1021/acs.macromol.2c02349"
}

Dokumenty

acs.macromol.2c02349