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Polyamide-Imides Made From BTDANew synthesis results in improved class of tough, thermally stable polyimides containing amide linkages. Linear, aromatic, polyimide/amides synthesized from isomers of DABA with 3, 3', 4, 4'- BTDA. Mechanical properties better than those of LARC-TPI polyimide. Potentially useful as matrix resins in graphite-reinforced structures, and as fibers or coating films withstanding high temperatures.
Document ID
19910000206
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Dezern, James F. (NASA Langley Research Center, Hampton, VA.)
Date Acquired
August 14, 2013
Publication Date
May 1, 1991
Publication Information
Publication: NASA Tech Briefs
Volume: 15
Issue: 5
ISSN: 0145-319X
Subject Category
Materials
Report/Patent Number
LAR-13942
ISSN: 0145-319X
Report Number: LAR-13942
Accession Number
91B10206
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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