Synergies between polyacrylamide polymerization and nanoparticle generation using an atmospheric pressure plasma jet

Urvashi Gangal; Stephen Exarhos; Tristan Contreras; Christopher C. Rich; Kay Dolan; Vincent Yang; Renee R. Frontiera; Peter Bruggeman

doi:10.1002/ppap.202200031

Synergies between polyacrylamide polymerization and nanoparticle generation using an atmospheric pressure plasma jet

Urvashi Gangal, Stephen Exarhos, Tristan Contreras, Christopher C. Rich, Kay Dolan, Vincent Yang, Renee R. Frontiera, Peter Bruggeman

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

We performed a free radical polymerization of acrylamide in an aqueous solution by a radio frequency-driven atmospheric pressure plasma jet. The polymerization was catalyzed by simultaneous generation of nanoparticles resulting in a percentage polymer yield increased by a factor of 2–30 times. Polyacrylamide acted as a capping agent for the silver nanoparticle formation yielding smaller nanoparticles while uncontrolled growth and massive particles were observed without acrylamide for the same conditions. Both Fourier transform infrared and Raman spectroscopy show the formation of bonds of (poly)acrylamide with the silver particles suggesting that polymerization at least in part occurs at the surface of silver particles. As plasma enables reduction without the addition of chemicals, this procedure might be a novel biocompatible approach to generate polyacrylamide/silver nanocomposite hydrogels.

Original language	English (US)
Article number	2200031
Journal	Plasma Processes and Polymers
Volume	19
Issue number	11
DOIs	https://doi.org/10.1002/ppap.202200031
State	Published - Nov 2022

Bibliographical note

Funding Information:
The research presented in this study was sponsored by the Army Research Office and was accomplished under Grant No. W911NF-20-1-0105. The views and conclusions contained in this document are those of the authors and should not be interpreted as representing the official policies, either expressed or implied, of the Army Research Office or the US Government. The US Government is authorized to reproduce and distribute reprints for Government purposes notwithstanding any copyright notation herein. Big Ten Academic Alliance hybrid - University of Minnesota Twin Cities.

Funding Information:
The research presented in this study was sponsored by the Army Research Office and was accomplished under Grant No. W911NF‐20‐1‐0105. The views and conclusions contained in this document are those of the authors and should not be interpreted as representing the official policies, either expressed or implied, of the Army Research Office or the US Government. The US Government is authorized to reproduce and distribute reprints for Government purposes notwithstanding any copyright notation herein. Big Ten Academic Alliance hybrid ‐ University of Minnesota Twin Cities.

Publisher Copyright:
© 2022 The Authors. Plasma Processes and Polymers published by Wiley-VCH GmbH.

Keywords

atmospheric pressure plasma
free radical polymerization
nanocomposite hydrogel
nanoparticle synthesis
plasma-liquid interactions

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10.1002/ppap.202200031License: CC BY-NC-ND

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abstract = "We performed a free radical polymerization of acrylamide in an aqueous solution by a radio frequency-driven atmospheric pressure plasma jet. The polymerization was catalyzed by simultaneous generation of nanoparticles resulting in a percentage polymer yield increased by a factor of 2–30 times. Polyacrylamide acted as a capping agent for the silver nanoparticle formation yielding smaller nanoparticles while uncontrolled growth and massive particles were observed without acrylamide for the same conditions. Both Fourier transform infrared and Raman spectroscopy show the formation of bonds of (poly)acrylamide with the silver particles suggesting that polymerization at least in part occurs at the surface of silver particles. As plasma enables reduction without the addition of chemicals, this procedure might be a novel biocompatible approach to generate polyacrylamide/silver nanocomposite hydrogels.",

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AU - Dolan, Kay

AU - Yang, Vincent

AU - Frontiera, Renee R.

AU - Bruggeman, Peter

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N2 - We performed a free radical polymerization of acrylamide in an aqueous solution by a radio frequency-driven atmospheric pressure plasma jet. The polymerization was catalyzed by simultaneous generation of nanoparticles resulting in a percentage polymer yield increased by a factor of 2–30 times. Polyacrylamide acted as a capping agent for the silver nanoparticle formation yielding smaller nanoparticles while uncontrolled growth and massive particles were observed without acrylamide for the same conditions. Both Fourier transform infrared and Raman spectroscopy show the formation of bonds of (poly)acrylamide with the silver particles suggesting that polymerization at least in part occurs at the surface of silver particles. As plasma enables reduction without the addition of chemicals, this procedure might be a novel biocompatible approach to generate polyacrylamide/silver nanocomposite hydrogels.

AB - We performed a free radical polymerization of acrylamide in an aqueous solution by a radio frequency-driven atmospheric pressure plasma jet. The polymerization was catalyzed by simultaneous generation of nanoparticles resulting in a percentage polymer yield increased by a factor of 2–30 times. Polyacrylamide acted as a capping agent for the silver nanoparticle formation yielding smaller nanoparticles while uncontrolled growth and massive particles were observed without acrylamide for the same conditions. Both Fourier transform infrared and Raman spectroscopy show the formation of bonds of (poly)acrylamide with the silver particles suggesting that polymerization at least in part occurs at the surface of silver particles. As plasma enables reduction without the addition of chemicals, this procedure might be a novel biocompatible approach to generate polyacrylamide/silver nanocomposite hydrogels.

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KW - free radical polymerization

KW - nanocomposite hydrogel

KW - nanoparticle synthesis

KW - plasma-liquid interactions

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Synergies between polyacrylamide polymerization and nanoparticle generation using an atmospheric pressure plasma jet

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