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公开(公告)号：US20190322825A1
公开(公告)日：2019-10-24
申请号：US16502277
申请日：2019-07-03
Applicant: Hexcel Corporation
Inventor： Yen-Seine WANG
Abstract: Pre-impregnated composite material (prepreg) that can be cured/molded to form aerospace composite parts. The prepreg includes carbon reinforcing fibers and an uncured resin matrix. The resin matrix includes an epoxy component, polyethersulfone as a toughening agent, and a curing agent. The resin matrix is also composed of a thermoplastic particle component that includes hybrid polyamide particles wherein each hybrid particle contains a mixture of amorphous and semi-crystalline polyamide.
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