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Preparing composite materials from matrices of processable aromatic polyimide thermoplastic blendsComposite materials with matrices of tough, thermoplastic aromatic polyimides are obtained by blending semi-crystalline polyimide powders with polyamic acid solutions to form slurries, which are used in turn to prepare prepregs, the consolidation of which into finished composites is characterized by excellent melt flow during processing.
Document ID
19910015886
Acquisition Source
Legacy CDMS
Document Type
Other - Patent
Authors
Johnston, Norman J. (NASA Langley Research Center Hampton, VA, United States)
St.clair, Terry L. (NASA Langley Research Center Hampton, VA, United States)
Baucom, Robert M. (NASA Langley Research Center Hampton, VA, United States)
Gleason, John R. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
August 14, 2013
Publication Date
April 2, 1991
Subject Category
Composite Materials
Report/Patent Number
Patent Application Number: US-PATENT-APPL-SN-262268
Patent Number: NASA-CASE-LAR-14107-1
Patent Number: US-PATENT-5,004,575
Patent Application Number: US-PATENT-APPL-SN-105846
Accession Number
91N25200
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
NASA-CASE-LAR-14107-1|US-PATENT-5,004,575
Patent Application
US-PATENT-APPL-SN-262268|US-PATENT-APPL-SN-105846

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