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Tough high performance composite matrixThis invention is a semi-interpentrating polymer network which includes a high performance thermosetting polyimide having a nadic end group acting as a crosslinking site and a high performance linear thermoplastic polyimide. Provided is an improved high temperature matrix resin which is capable of performing in the 200 to 300 C range. This resin has significantly improved toughness and microcracking resistance, excellent processability, mechanical performance, and moisture and solvent resistances.
Document ID
19940030866
Acquisition Source
Legacy CDMS
Document Type
Other - Patent
Authors
Pater, Ruth H. (NASA Langley Research Center Hampton, VA, United States)
Johnston, Norman J. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
August 16, 2013
Publication Date
July 19, 1994
Subject Category
Composite Materials
Report/Patent Number
Patent Number: NASA-CASE-LAR-14239-2
Patent Number: US-PATENT-5,331,063
Patent Application Number: US-PATENT-APPL-SN-429514
Patent Application Number: US-PATENT-APPL-SN-968082
Accession Number
94N35372
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
NASA-CASE-LAR-14239-2|US-PATENT-5,331,063
Patent Application
US-PATENT-APPL-SN-429514|US-PATENT-APPL-SN-968082

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