NASA NTRS · 19910000450
LaRC-RP41: A Tough, High-Performance Composite Matrix
Abstract
New polymer exhibits increased toughness and resistance to microcracking. Cross-linking PMR-15 and linear LaRC-TPI combined to provide sequential semi-2-IPN designated as LaRC-RP41. Synthesized from PMR-15 imide prepolymer undergoing cross-linking in immediate presence of LaRC-TPI polyamic acid, also undergoing simultaneous imidization and linear chain extension. Potentially high-temperature matrix resin, adhesive, and molding resin. Applications include automobiles, electronics, aircraft, and aerospace structures.
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Pater, Ruth H., Johnston, Norman J., Smith, Ricky E., Snoha, John J., Gautreaux, Carol R., Reddy, Rakasi M.. 1991-09-01. LaRC-RP41: A Tough, High-Performance Composite Matrix. https://ntrs.nasa.gov/citations/19910000450
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