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Siloxane containing addition polyimidesAddition polyimide oligomers have been synthesized from bis(gamma-aminopropyl) tetramethyldisiloxane and 3, 3', 4, 4'-benzophenonetetracarboxylic dianhydride using a variety of latent crosslinking groups as endcappers. The prepolymers were isolated and characterized for solubility (in amide, chlorinated and ether solvents), melt flow and cure properties. The most promising systems, maleimide and acetylene terminated prepolymers, were selected for detailed study. Graphite cloth reinforced composites were prepared and properties compared with those of graphite/Kerimid 601, a commercially available bismaleimide. Mixtures of the maleimide terminated system with Kerimid 601, in varying proportions, were also studied.
Document ID
19840066591
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Maudgal, S.
(NASA Langley Research Center Hampton, VA, United States)
St. Clair, T. L.
(NASA Langley Research Center Hampton, VA, United States)
Date Acquired
August 12, 2013
Publication Date
April 1, 1984
Publication Information
Publication: SAMPE Quarterly
Volume: 15
ISSN: 0036-0821
Subject Category
Nonmetallic Materials
Accession Number
84A49378
Distribution Limits
Public
Copyright
Other

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