WO2024106542A1 - Filament et son procédé de production - Google Patents
Filament et son procédé de production Download PDFInfo
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- WO2024106542A1 WO2024106542A1 PCT/JP2023/041531 JP2023041531W WO2024106542A1 WO 2024106542 A1 WO2024106542 A1 WO 2024106542A1 JP 2023041531 W JP2023041531 W JP 2023041531W WO 2024106542 A1 WO2024106542 A1 WO 2024106542A1
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- WO
- WIPO (PCT)
- Prior art keywords
- mass
- filament
- lignocellulose
- acid
- dope
- Prior art date
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Images
Landscapes
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
La présente invention concerne un filament dont un constituant principal est la lignocellulose dérivée d'un matériau végétal. Au moins une partie de la cellulose, de l'hémicellulose et de la lignine constituant la lignocellulose forme une liaison ester avec de l'acide formique. Un procédé de production du filament consiste à : pulvériser grossièrement un matériau végétal contenant la lignocellulose pour obtenir une poudre grossière ; dissoudre la poudre dans un acide organique pour obtenir un dopant contenant la lignocellulose ; et injecter le dopant dans un liquide de coagulation pour former le filament. L'acide organique est de l'acide formique ou une solution d'acide formique ayant une concentration en acide formique supérieure à 93 % en masse. Le liquide de coagulation est un solvant polaire ayant un point d'ébullition inférieur ou égal à 100 °C.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022184062 | 2022-11-17 | ||
| JP2022-184062 | 2022-11-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2024106542A1 true WO2024106542A1 (fr) | 2024-05-23 |
Family
ID=91084574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2023/041531 WO2024106542A1 (fr) | 2022-11-17 | 2023-11-17 | Filament et son procédé de production |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2024106542A1 (fr) |
-
2023
- 2023-11-17 WO PCT/JP2023/041531 patent/WO2024106542A1/fr unknown
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