A comparative study of the radiation resistance of four optically transparent polyimides

Sheila Devasahayam; David J. T. Hill; John W. Connell

doi:10.1016/S0969-806X(01)00437-6

A comparative study of the radiation resistance of four optically transparent polyimides

Sheila Devasahayam, David J. T. Hill, John W. Connell

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

12 Citations (Scopus)

Abstract

A comparative study of the high energy radiation resistance to formation of radicals in two pairs of polymers is reported. In one pair of polymers the phenyl groups containing the imide rings are separated by an ether linkage and in the other pair they are separated by an hexafluoroisopropylidine group. Two of the polymers contained aromatic amine units linked through an ether linkage and the other two polymers contained a trifluoromethyl biphenyl diamine. The polymers were shown to retain a high level of transparency in the visible region following radiolysis to doses as high as 8 Gy. ESR studies of the resistance to radical formation on radiolysis. at 77 K revealed that the polymers containing ether linkages were more stable than their fluorinated analogues, but all were less stable than Kapton (R). (C) 2001 Elsevier Science Ltd. All rights reserved.

Original language	English
Pages (from-to)	189-194
Number of pages	6
Journal	Radiation Physics and Chemistry
Volume	62
Issue number	1
DOIs	https://doi.org/10.1016/S0969-806X(01)00437-6
Publication status	Published - Jul 2001
Externally published	Yes
Event	Pacifichem 2000 Meeting - HONOLULU Duration: 14 Dec 2000 → 19 Dec 2000

Keywords

transparent polyimides
radiation sensitivity
UV spectroscopy
ESR spectroscopy
radical yields

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10.1016/S0969-806X(01)00437-6

Cite this

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title = "A comparative study of the radiation resistance of four optically transparent polyimides",

abstract = "A comparative study of the high energy radiation resistance to formation of radicals in two pairs of polymers is reported. In one pair of polymers the phenyl groups containing the imide rings are separated by an ether linkage and in the other pair they are separated by an hexafluoroisopropylidine group. Two of the polymers contained aromatic amine units linked through an ether linkage and the other two polymers contained a trifluoromethyl biphenyl diamine. The polymers were shown to retain a high level of transparency in the visible region following radiolysis to doses as high as 8 Gy. ESR studies of the resistance to radical formation on radiolysis. at 77 K revealed that the polymers containing ether linkages were more stable than their fluorinated analogues, but all were less stable than Kapton (R). (C) 2001 Elsevier Science Ltd. All rights reserved.",

keywords = "transparent polyimides, radiation sensitivity, UV spectroscopy, ESR spectroscopy, radical yields",

author = "Sheila Devasahayam and Hill, {David J. T.} and Connell, {John W.}",

year = "2001",

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doi = "10.1016/S0969-806X(01)00437-6",

language = "English",

volume = "62",

pages = "189--194",

journal = "Radiation Physics and Chemistry",

issn = "0969-806X",

publisher = "Elsevier",

number = "1",

note = "Pacifichem 2000 Meeting ; Conference date: 14-12-2000 Through 19-12-2000",

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TY - JOUR

T1 - A comparative study of the radiation resistance of four optically transparent polyimides

AU - Devasahayam, Sheila

AU - Hill, David J. T.

AU - Connell, John W.

PY - 2001/7

Y1 - 2001/7

N2 - A comparative study of the high energy radiation resistance to formation of radicals in two pairs of polymers is reported. In one pair of polymers the phenyl groups containing the imide rings are separated by an ether linkage and in the other pair they are separated by an hexafluoroisopropylidine group. Two of the polymers contained aromatic amine units linked through an ether linkage and the other two polymers contained a trifluoromethyl biphenyl diamine. The polymers were shown to retain a high level of transparency in the visible region following radiolysis to doses as high as 8 Gy. ESR studies of the resistance to radical formation on radiolysis. at 77 K revealed that the polymers containing ether linkages were more stable than their fluorinated analogues, but all were less stable than Kapton (R). (C) 2001 Elsevier Science Ltd. All rights reserved.

AB - A comparative study of the high energy radiation resistance to formation of radicals in two pairs of polymers is reported. In one pair of polymers the phenyl groups containing the imide rings are separated by an ether linkage and in the other pair they are separated by an hexafluoroisopropylidine group. Two of the polymers contained aromatic amine units linked through an ether linkage and the other two polymers contained a trifluoromethyl biphenyl diamine. The polymers were shown to retain a high level of transparency in the visible region following radiolysis to doses as high as 8 Gy. ESR studies of the resistance to radical formation on radiolysis. at 77 K revealed that the polymers containing ether linkages were more stable than their fluorinated analogues, but all were less stable than Kapton (R). (C) 2001 Elsevier Science Ltd. All rights reserved.

KW - transparent polyimides

KW - radiation sensitivity

KW - UV spectroscopy

KW - ESR spectroscopy

KW - radical yields

U2 - 10.1016/S0969-806X(01)00437-6

DO - 10.1016/S0969-806X(01)00437-6

M3 - Article

SN - 0969-806X

VL - 62

SP - 189

EP - 194

JO - Radiation Physics and Chemistry

JF - Radiation Physics and Chemistry

IS - 1

T2 - Pacifichem 2000 Meeting

Y2 - 14 December 2000 through 19 December 2000

ER -

A comparative study of the radiation resistance of four optically transparent polyimides

Abstract

Keywords

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