Novel bismaleimides and prepregable resin compositions comprising these bismaleimides and one or more liquid coreactants and optionally, one or more other additives.
In certain embodiments, the base polymer formulation includes bismaleimides or other polymer resins capable of high temperature service.
The prepolymers can be further reacted with bismaleimides to make prepolymers with lower cure temperatures and faster cure rates.
Preferably, the polymer systems employed in the composites are bismaleimides, when high modulus, strength and flexural modulus are desired, and siloxane-based polymers, when elastomeric bulk properties are desired.
The polymeric material obtained exhibits significantly improved tensile strength and flexural strength over typical bismaleimide polymers which makes it useful for preparing fiber-reinforced materials.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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