公开(公告)号：US11174572B2

公开(公告)日：2021-11-16

申请号：US16326081

申请日：2017-07-24

Applicant: RIKEN ,  SPIBER INC.

Inventor： Keiji Numata ,  Kousuke Tsuchiya ,  Junichi Sugahara ,  Takaoki Ishii ,  Hongfang Chi

IPC: D01F4/02 ,  D01F4/00 ,  D01D1/02 ,  A61L27/22 ,  D01D5/16 ,  D01F1/10 ,  D01F6/68

Abstract: Provided are a composite molding composition such as a composite film and a composite fiber that have properties such as an improved tensile strength, strain and toughness as a result of blending a peptide or polyamino acid having a β-sheet structure with a natural or artificially modified fibroin-derived protein; a method for producing such composite molding composition; and a method for improving the physical properties of a composite molding composition containing a fibroin-derived protein.