FI130531B - Förfarande för framställning av cellulosakarbamatfilament eller -fibrer - Google Patents
Förfarande för framställning av cellulosakarbamatfilament eller -fibrer Download PDFInfo
- Publication number
- FI130531B FI130531B FI20225010A FI20225010A FI130531B FI 130531 B FI130531 B FI 130531B FI 20225010 A FI20225010 A FI 20225010A FI 20225010 A FI20225010 A FI 20225010A FI 130531 B FI130531 B FI 130531B
- Authority
- FI
- Finland
- Prior art keywords
- spin bath
- cellulose carbamate
- aqueous
- dope
- bath
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
- C08B15/05—Derivatives containing elements other than carbon, hydrogen, oxygen, halogens or sulfur
- C08B15/06—Derivatives containing elements other than carbon, hydrogen, oxygen, halogens or sulfur containing nitrogen, e.g. carbamates
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/06—Wet spinning methods
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B16/00—Regeneration of cellulose
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F13/00—Recovery of starting material, waste material or solvents during the manufacture of artificial filaments or the like
- D01F13/02—Recovery of starting material, waste material or solvents during the manufacture of artificial filaments or the like of cellulose, cellulose derivatives or proteins
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/02—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from solutions of cellulose in acids, bases or salts
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Artificial Filaments (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20225010A FI130531B (sv) | 2022-01-07 | 2022-01-07 | Förfarande för framställning av cellulosakarbamatfilament eller -fibrer |
CN202380015074.XA CN118382732A (zh) | 2022-01-07 | 2023-01-05 | 生产纤维素氨基甲酸酯长丝或纤维的方法 |
PCT/FI2023/050008 WO2023131746A1 (en) | 2022-01-07 | 2023-01-05 | Method of producing cellulose carbamate filaments or fibres |
TW112100364A TW202344728A (zh) | 2022-01-07 | 2023-01-05 | 纖維素胺甲酸酯長絲或纖維的製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20225010A FI130531B (sv) | 2022-01-07 | 2022-01-07 | Förfarande för framställning av cellulosakarbamatfilament eller -fibrer |
Publications (2)
Publication Number | Publication Date |
---|---|
FI20225010A1 FI20225010A1 (sv) | 2023-07-08 |
FI130531B true FI130531B (sv) | 2023-11-03 |
Family
ID=84943726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20225010A FI130531B (sv) | 2022-01-07 | 2022-01-07 | Förfarande för framställning av cellulosakarbamatfilament eller -fibrer |
Country Status (4)
Country | Link |
---|---|
CN (1) | CN118382732A (sv) |
FI (1) | FI130531B (sv) |
TW (1) | TW202344728A (sv) |
WO (1) | WO2023131746A1 (sv) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102766216A (zh) * | 2012-08-16 | 2012-11-07 | 天津工业大学 | 纤维素氨基甲酸酯的制备方法 |
EP3016908A1 (en) * | 2013-07-01 | 2016-05-11 | IHK Fibre AB | Alkali recycle in cellulose spinning process |
EP3231901A1 (en) * | 2016-04-14 | 2017-10-18 | TreeToTextile AB | Process for spinning dissolved cellulose comprising recovering an aqueous sodium hydroxide cellulose solvent from the spent coagulation bath liquid |
FI129395B (sv) * | 2020-04-06 | 2022-01-31 | Andritz Oy | Process för framställning av cellulosakarbamat |
-
2022
- 2022-01-07 FI FI20225010A patent/FI130531B/sv active
-
2023
- 2023-01-05 WO PCT/FI2023/050008 patent/WO2023131746A1/en active Application Filing
- 2023-01-05 TW TW112100364A patent/TW202344728A/zh unknown
- 2023-01-05 CN CN202380015074.XA patent/CN118382732A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
TW202344728A (zh) | 2023-11-16 |
FI20225010A1 (sv) | 2023-07-08 |
CN118382732A (zh) | 2024-07-23 |
WO2023131746A1 (en) | 2023-07-13 |
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