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Rocket booster casings made with semipreg having a thermoplastic toughened novolac-based epoxy resin matrix
Rocket booster casings made with semipreg having a thermoplastic toughened novolac-based epoxy resin matrix
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机译：用半预浸料制成的火箭增力器壳体，具有热塑性增韧的酚醛清漆基环氧树脂基体
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摘要
A semipreg that can be cured/molded to form aerospace composite parts including rocket booster casings. The semipreg includes a fibrous layer and a resin layer located on one side of the fibrous layer. The resin layer includes an epoxy component that is a combination of a hydrocarbon epoxy novolac resin and a trifunctional epoxy resin and optionally a tetrafunctional epoxy resin. The resin matrix includes polyethersulfone as a toughening agent and a thermoplastic particle component.
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