公开(公告)号：US20210122891A1

公开(公告)日：2021-04-29

申请号：US16660934

申请日：2019-10-23

Applicant: Hexcel Corporation

Inventor： Yan ZHU ,  Gordon T. EMMERSON

IPC: C08J5/24 ,  C08K3/013 ,  C08K3/04 ,  C08K5/00 ,  C08K5/375 ,  C08K5/41 ,  B64C1/00

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 resin component, polyethersulfone as a toughening agent, a thermoplastic particle component, a nanoparticle component and a curing agent.