NASA NTRS · 19940030866
Tough high performance composite matrix
Abstract
This 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.
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Pater, Ruth H., Johnston, Norman J.. 1994-07-19. Tough high performance composite matrix. https://ntrs.nasa.gov/citations/19940030866
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