Nonequilibrium plasma polymerization of HFC-134a in a dielectric barrier discharge reactor: Polymer characterization and a proposed mechanism for polymer formation

Sazal K. Kundu; Eric M. Kennedy; John C. MacKie; Clovia I. Holdsworth; Thomas S. Molloy; Vaibhav V. Gaikwad; Bogdan Z. Dlugogorski

doi:10.1109/TPS.2014.2303485

Nonequilibrium plasma polymerization of HFC-134a in a dielectric barrier discharge reactor: Polymer characterization and a proposed mechanism for polymer formation

Sazal K. Kundu, Eric M. Kennedy, John C. MacKie, Clovia I. Holdsworth, Thomas S. Molloy, Vaibhav V. Gaikwad, Bogdan Z. Dlugogorski

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

Abstract

Nonequilibrium plasma polymerization of hydrofluorocarbon HFC-134a CF₃ CH₂F in argon bath gas has been studied in a dielectric barrier discharge reactor at atmospheric pressure and in the absence of oxygen and nitrogen. The reaction resulted in the formation of a polymeric solid fraction and the noncrosslinked properties of this material assisted in its characterization by solution state 13C} and 19F nuclear magnetic resonance spectroscopy. Gel permeation chromatography revealed that the polymers include low (number average molecular weight, M_n values between 900 and 3000g~mol^-1 and high (M_n approximately 60000 g~mol_-1 molecular weight fractions. A detailed polymerization mechanism is proposed, based on the published literature and the findings of the current investigation.

Original language	English
Article number	6740081
Pages (from-to)	3095-3100
Number of pages	6
Journal	IEEE Transactions on Plasma Science
Volume	42
Issue number	10
DOIs	https://doi.org/10.1109/TPS.2014.2303485
Publication status	Published - Oct 2014
Externally published	Yes

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10.1109/TPS.2014.2303485

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Kundu, S. K., Kennedy, E. M., MacKie, J. C., Holdsworth, C. I., Molloy, T. S., Gaikwad, V. V., & Dlugogorski, B. Z. (2014). Nonequilibrium plasma polymerization of HFC-134a in a dielectric barrier discharge reactor: Polymer characterization and a proposed mechanism for polymer formation. IEEE Transactions on Plasma Science, 42(10), 3095-3100. [6740081]. https://doi.org/10.1109/TPS.2014.2303485

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title = "Nonequilibrium plasma polymerization of HFC-134a in a dielectric barrier discharge reactor: Polymer characterization and a proposed mechanism for polymer formation",

abstract = "Nonequilibrium plasma polymerization of hydrofluorocarbon HFC-134a CF3 CH2F in argon bath gas has been studied in a dielectric barrier discharge reactor at atmospheric pressure and in the absence of oxygen and nitrogen. The reaction resulted in the formation of a polymeric solid fraction and the noncrosslinked properties of this material assisted in its characterization by solution state 13C} and 19F nuclear magnetic resonance spectroscopy. Gel permeation chromatography revealed that the polymers include low (number average molecular weight, Mn values between 900 and 3000g~mol-1 and high (Mn approximately 60000 g~mol-1 molecular weight fractions. A detailed polymerization mechanism is proposed, based on the published literature and the findings of the current investigation.",

keywords = "Greenhouse gas, hydrofluorocarbon HFC-134a, noncrosslinked polymer, nonequilibrium plasma, polymer characterization.",

author = "Kundu, {Sazal K.} and Kennedy, {Eric M.} and MacKie, {John C.} and Holdsworth, {Clovia I.} and Molloy, {Thomas S.} and Gaikwad, {Vaibhav V.} and Dlugogorski, {Bogdan Z.}",

year = "2014",

month = oct,

doi = "10.1109/TPS.2014.2303485",

language = "English",

volume = "42",

pages = "3095--3100",

journal = "IEEE Transactions on Plasma Science",

issn = "0093-3813",

publisher = "IEEE, Institute of Electrical and Electronics Engineers",

number = "10",

}

Kundu, SK, Kennedy, EM, MacKie, JC, Holdsworth, CI, Molloy, TS, Gaikwad, VV & Dlugogorski, BZ 2014, 'Nonequilibrium plasma polymerization of HFC-134a in a dielectric barrier discharge reactor: Polymer characterization and a proposed mechanism for polymer formation', IEEE Transactions on Plasma Science, vol. 42, no. 10, 6740081, pp. 3095-3100. https://doi.org/10.1109/TPS.2014.2303485

Nonequilibrium plasma polymerization of HFC-134a in a dielectric barrier discharge reactor : Polymer characterization and a proposed mechanism for polymer formation. / Kundu, Sazal K.; Kennedy, Eric M.; MacKie, John C. et al.

In: IEEE Transactions on Plasma Science, Vol. 42, No. 10, 6740081, 10.2014, p. 3095-3100.

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

TY - JOUR

T1 - Nonequilibrium plasma polymerization of HFC-134a in a dielectric barrier discharge reactor

T2 - Polymer characterization and a proposed mechanism for polymer formation

AU - Kundu, Sazal K.

AU - Kennedy, Eric M.

AU - MacKie, John C.

AU - Holdsworth, Clovia I.

AU - Molloy, Thomas S.

AU - Gaikwad, Vaibhav V.

AU - Dlugogorski, Bogdan Z.

PY - 2014/10

Y1 - 2014/10

N2 - Nonequilibrium plasma polymerization of hydrofluorocarbon HFC-134a CF3 CH2F in argon bath gas has been studied in a dielectric barrier discharge reactor at atmospheric pressure and in the absence of oxygen and nitrogen. The reaction resulted in the formation of a polymeric solid fraction and the noncrosslinked properties of this material assisted in its characterization by solution state 13C} and 19F nuclear magnetic resonance spectroscopy. Gel permeation chromatography revealed that the polymers include low (number average molecular weight, Mn values between 900 and 3000g~mol-1 and high (Mn approximately 60000 g~mol-1 molecular weight fractions. A detailed polymerization mechanism is proposed, based on the published literature and the findings of the current investigation.

AB - Nonequilibrium plasma polymerization of hydrofluorocarbon HFC-134a CF3 CH2F in argon bath gas has been studied in a dielectric barrier discharge reactor at atmospheric pressure and in the absence of oxygen and nitrogen. The reaction resulted in the formation of a polymeric solid fraction and the noncrosslinked properties of this material assisted in its characterization by solution state 13C} and 19F nuclear magnetic resonance spectroscopy. Gel permeation chromatography revealed that the polymers include low (number average molecular weight, Mn values between 900 and 3000g~mol-1 and high (Mn approximately 60000 g~mol-1 molecular weight fractions. A detailed polymerization mechanism is proposed, based on the published literature and the findings of the current investigation.

KW - Greenhouse gas

KW - hydrofluorocarbon HFC-134a

KW - noncrosslinked polymer

KW - nonequilibrium plasma

KW - polymer characterization.

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DO - 10.1109/TPS.2014.2303485

M3 - Article

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JO - IEEE Transactions on Plasma Science

JF - IEEE Transactions on Plasma Science

SN - 0093-3813

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Nonequilibrium plasma polymerization of HFC-134a in a dielectric barrier discharge reactor: Polymer characterization and a proposed mechanism for polymer formation

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