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Polyimides That Contain Pendent Siloxane GroupsPolyimides containing pendent siloxane groups (PISOXs) synthesized from polyimides containing hydroxy groups (PIOHs) according to either of two alternative approaches. Addition of pendent siloxane groups to polyimide decreases dielectric constant, and decreases absorption of moisture: these changes in properties advantageous in some electronic applications. Also enhance resistance to atomic oxygen in that they undergo slight degradation to form thin protective silicon oxide coats when exposed to atomic oxygen.
Document ID
19960014903
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Connell, John W. (NASA Langley Research Center, Hampton, VA.)
St. Clair, Terry L. (NASA Langley Research Center, Hampton, VA.)
Hergenrother, Paul M. (NASA Langley Research Center, Hampton, VA.)
Date Acquired
August 17, 2013
Publication Date
January 1, 1996
Publication Information
Publication: NASA Tech Briefs
Volume: 20
Issue: 1
ISSN: 0145-319X
Subject Category
Materials
Report/Patent Number
LAR-14638
Accession Number
96B10024
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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