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Polyimide Precursor Solid ResiduumA polyimide precursor solid residuum is an admixture of an aromatic dianhydride or derivative thereof and an aromatic diamine or derivative thereof plus a complexing agent, which is complexed with the admixture by hydrogen bonding. The polyimide precursor solid residuum is effectively employed in the preparation of polyimide foam and the fabrication of polyimide foam structures.
Document ID
20010056400
Acquisition Source
Langley Research Center
Document Type
Other - Patent
Authors
Weiser, Erik S. (NASA Langley Research Center Hampton, VA United States)
St.Clair, Terry L. (NASA Langley Research Center Hampton, VA United States)
Echigo, Yoshiaki (NASA Langley Research Center Hampton, VA United States)
Kaneshiro, Hisayasu (NASA Langley Research Center Hampton, VA United States)
Date Acquired
September 7, 2013
Publication Date
January 30, 2001
Subject Category
Nonmetallic Materials
Report/Patent Number
Patent Application Number: US-Patent-Appl-SN-316428
Patent Number: NASA-Case-LAR-15767-1
Patent Number: US-Patent-6,180,746
Patent Application Number: US-Patent-Appl-SN-087272
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
NASA-Case-LAR-15767-1|US-Patent-6,180,746
Patent Application
US-Patent-Appl-SN-316428|US-Patent-Appl-SN-087272

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