公开(公告)号：US11377531B2

公开(公告)日：2022-07-05

申请号：US16646898

申请日：2018-11-14

Applicant: TORAY INDUSTRIES, INC.

Inventor： Bon Aizawa ,  Ryuichi Kitahara ,  Takahiro Nishimura ,  Shinji Kochi ,  Naoya Takeda

IPC: C08J5/24 ,  C08G59/50 ,  C08J5/04

Abstract: A prepreg contains components [A] to [E], wherein 85% by mass or more of the component [E] is present in a range within 9% of the average thickness of the prepreg from each surface of the prepreg, and a range within 7% of the average thickness of the prepreg from each surface of the prepreg is composed of a first resin composition containing components [B] to [E]. [A] a carbon fiber, [B] an epoxy resin having two or more glycidyl groups in one molecule, [C] an aromatic amine compound, [D] a thermoplastic resin having a polyarylether skeleton, and [E] particles having a number average primary particle size of 5 to 50 μm, having a content ratio (% by mass) of thermoplastic resin and thermosetting resin of 95:5 to 70:30.