SPINNING DOPE, FIBROIN FIBER, AND MANUFACTURING METHOD THEREOF

• Main Authors: OKADA RYOJI, OLIVER SYED SHAFAAT, KUDO HISAHIRO, ABE YUNOSUKE, ISHII HIDETO
• Format: Patent
• Language: English; Japanese
• Published: 27.05.2021
• Subjects: APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS; CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS; MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS; NATURAL OR ARTIFICIAL THREADS OR FIBRES; SPINNING; TEXTILES

To provide a spinning dope useful for production of a fibroin fiber having desired strength with excellent productivity.SOLUTION: A spinning dope includes a fibroin, a surfactant, and an organic solvent, wherein fibroin concentration is 5-40 wt.% to a spinning dope total amount, and a surfactant concentration is 0.1-10 wt.% to a spinning dope total amount.SELECTED DRAWING: None 【課題】所定の強度を有するフィブロイン繊維を優れた生産性で製造するのに有用な紡糸原液を提供すること。【解決手段】フィブロインと、界面活性剤と、有機溶媒と、を含む、紡糸原液であって、フィブロインの濃度が、紡糸原液全量を基準として５〜４０重量％であり、界面活性剤の濃度が、紡糸原液全量を基準として０.１〜１０重量％である、紡糸原液。【選択図】なし