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New hyperthermal thermosetting heterocyclic polymersPolyimidazopyrrolone polymers, formed by the condensation of aromatic dianhydrides with aromatic tetraamines in various solvents, form moldings that resist degradation in air and retain great strength at 400 to 700 degrees F. The resins have good insulating properties, are easy to mold, and make good protective coatings.
Document ID
19700000389
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Bilow, N. (HUGHES AIRCRAFT CO.)
Landis, A. L.
Miller, L. J.
Date Acquired
August 5, 2013
Publication Date
August 1, 1970
Subject Category
Materials
Report/Patent Number
LAR-10221
Report Number: LAR-10221
Accession Number
70B10403
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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