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Tailor making high performance graphite fiber reinforced PMR polyimidesStudies performed to demonstrate the feasibility of using the polymerization of monomer reactants (PMR) approach to tailor make processable polyimide matrix resins are described. Monomeric reactant solutions containing the dimethyl ester of 3,3',4,4' -benzophenonetetracarboxylic acid, 4, 4' -methylenedianiline and the monomethyl ester of 5-norbornene-2, 3-dicarboxylic acid were used to impregnate Hercules HTS graphite fiber. Six different monomeric reactant stoichiometries were studied. The processing characteristics and elevated temperature mechanical properties of the PMR polyimide/HTS graphite fiber composites are described.
Document ID
19740026847
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Serafini, T. T. (NASA Lewis Research Center Cleveland, OH, United States)
Vannucci, R. D. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 3, 2013
Publication Date
January 1, 1974
Subject Category
Materials, Nonmetallic
Report/Patent Number
NASA-TM-X-71616
E-8126
Report Number: NASA-TM-X-71616
Report Number: E-8126
Meeting Information
Meeting: Ann. Reinforced Plastic Composites Conf.
Location: Washington, DC
Country: United States
Start Date: February 4, 1975
End Date: February 7, 1975
Sponsors: Soc. of the Plastics Ind.
Accession Number
74N34960
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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