A study of the oxidation of two aromatic polyimide fluoropolymers containing phenylphosphine oxide by a water plasma and gamma-radiolysis in air

Alexander, MA, Hill, DJT, Connell, JW and Watson, KA (2001) A study of the oxidation of two aromatic polyimide fluoropolymers containing phenylphosphine oxide by a water plasma and gamma-radiolysis in air. High Performance Polymers, 13 1: 55-65. doi:10.1088/0954-0083/13/1/306


Author Alexander, MA
Hill, DJT
Connell, JW
Watson, KA
Title A study of the oxidation of two aromatic polyimide fluoropolymers containing phenylphosphine oxide by a water plasma and gamma-radiolysis in air
Journal name High Performance Polymers   Check publisher's open access policy
ISSN 0954-0083
Publication date 2001
Sub-type Article (original research)
DOI 10.1088/0954-0083/13/1/306
Volume 13
Issue 1
Start page 55
End page 65
Total pages 11
Place of publication United Kingdom
Publisher IOP Publishing Ltd
Collection year 2001
Language eng
Subject C1
250599 Macromolecular Chemistry not elsewhere classified
780103 Chemical sciences
Abstract The oxidation of two fluorinated polyimides containing phenylphosphine oxide units, TOR-RC and TOR-RC ODPA, have been studied at 300 K for treatment by a water plasma and gamma -radiolysis in air. The changes in the O 1s/C 1s ratios obtained from x-ray photoelectron spectroscopy (XPS) analysis showed that for exposure to the water plasma the ratio increases at short exposure times and then levels to a constant value. Evidence for the formation of phosphate species was also obtained from the XPS analyses. Similar observations were made for gamma -radiolysis of the polymers in air. The polymers containing phenylphosphine oxide were found to be more resistant to oxidation in the water plasma than Kapton(R). Radiolysis of the polymers in air to high doses were also accompanied by a red shift in the visible absorption spectra.
Keyword Polymer Science
Degradation
Radiation
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Chemistry and Molecular Biosciences
 
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Created: Tue, 14 Aug 2007, 15:28:09 EST