NASA NTRS · 19930004228
A tough high performance composite matrix
Abstract
This invention is a semi-interpenetrating 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. An improved high temperature matrix resin is provided 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.
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Pater, Ruth H., Johnston, Norman J.. 1992-10-27. A tough high performance composite matrix. https://ntrs.nasa.gov/citations/19930004228
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