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Imide/Arylene Ether Copolymers Containing Phosphine OxidePhosphine oxide groups react with oxygen to form protective phosphate surface layers. Series of imide/arylene ether block copolymers containing phosphine oxide units in backbone synthesized and characterized. In comparison with commercial polyimide, these copolymers display better resistance to etching by oxygen plasma. Tensile strengths and tensile moduli greater than those of polyarylene ether homopolymer. Combination of properties makes copolymers attractive for films, coatings, adhesives, and composite matrices where resistance to atomic oxygen needed.
Document ID
19930000573
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Jensen, Brian J. (NASA Langley Research Center, Hampton, VA.)
Partos, Richard D. (Analytical Services and Materials, Inc.)
Date Acquired
August 16, 2013
Publication Date
September 1, 1993
Publication Information
Publication: NASA Tech Briefs
Volume: 17
Issue: 9
ISSN: 0145-319X
Subject Category
Materials
Report/Patent Number
LAR-14925
Accession Number
93B10573
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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