公开(公告)号：US20220010460A1

公开(公告)日：2022-01-13

申请号：US17427895

申请日：2020-02-07

Applicant: Spiber Inc.

Inventor： Yunosuke ABE ,  Hideto ISHII ,  Ryoko SATO ,  Akito SATO ,  Hirotada ANDO ,  Hiroshi KANO ,  Koichi KOTAKA ,  Jun KOBAYASHI

IPC: D01F4/02 ,  C07K14/435 ,  D01D5/06 ,  D02G3/04

Abstract: An object of the present invention is to provide a method for producing a modified fibroin multifilament excellent in productivity and a multifilament produced by the same. The multifilament of the present invention contains modified fibroin, in which the multifilament has 100 or more constituent single yarns, a coefficient of variation in elastic modulus is 15% or less, a coefficient of variation in strength is 15% or less, and a coefficient of variation in elongation is less than 33%.