PT4021946T - Pré-tratamento de celulose - Google Patents
Pré-tratamento de celuloseInfo
- Publication number
- PT4021946T PT4021946T PT207678632T PT20767863T PT4021946T PT 4021946 T PT4021946 T PT 4021946T PT 207678632 T PT207678632 T PT 207678632T PT 20767863 T PT20767863 T PT 20767863T PT 4021946 T PT4021946 T PT 4021946T
- Authority
- PT
- Portugal
- Prior art keywords
- cellulose pretreatment
- pretreatment
- cellulose
- 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
- C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Paper (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20195717 | 2019-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PT4021946T true PT4021946T (pt) | 2023-09-21 |
Family
ID=72381106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT207678632T PT4021946T (pt) | 2019-08-30 | 2020-08-31 | Pré-tratamento de celulose |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US20220275109A1 (pt) |
| EP (1) | EP4021946B1 (pt) |
| JP (1) | JP7453711B2 (pt) |
| KR (1) | KR102827254B1 (pt) |
| CN (1) | CN114258406A (pt) |
| CA (1) | CA3149943A1 (pt) |
| ES (1) | ES2957800T3 (pt) |
| FI (1) | FI4021946T3 (pt) |
| PL (1) | PL4021946T3 (pt) |
| PT (1) | PT4021946T (pt) |
| TW (1) | TWI838573B (pt) |
| WO (1) | WO2021038136A1 (pt) |
| ZA (1) | ZA202201563B (pt) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI20225011A1 (en) | 2022-01-07 | 2023-07-08 | Infinited Fiber Company Oy | Cellulose-based textile fibers |
| FI20225009A1 (en) | 2022-01-07 | 2023-07-08 | Infinited Fiber Company Oy | Cellulose carbamate polymer |
| JP7449328B2 (ja) * | 2022-03-29 | 2024-03-13 | 大王製紙株式会社 | セルロースナノファイバーの製造方法 |
| FI131312B1 (en) | 2022-08-19 | 2025-02-10 | Infinited Fiber Company Oy | Method for treating cellulose-containing waste material and color-free material thus obtained |
| EP4627144B1 (en) | 2023-01-05 | 2026-03-04 | Infinited Fiber Company Oy | Method of recycling an aqueous alkaline spin bath |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5410034A (en) | 1994-02-24 | 1995-04-25 | The United States Of America As Represented By The Secretary Of Agriculture | Alkaline method for dissolving cellulose |
| DE19715617A1 (de) * | 1997-04-15 | 1998-10-22 | Zimmer Ag | Verfahren für die modifizierte Herstellung von Cellulosecarbamat |
| PL210865B1 (pl) * | 2002-01-29 | 2012-03-30 | Valtion Teknillinen | Sposób wytwarzania karbaminianu celulozy |
| DE10223174A1 (de) * | 2002-05-24 | 2003-12-11 | Fraunhofer Ges Forschung | Verfahren zur Herstellung von Cellulosecarbamatformkörpern |
| PL2494107T3 (pl) * | 2009-10-26 | 2017-01-31 | Stora Enso Oyj | Sposób wytwarzania mikrofibrylowanej celulozy w wytłaczarce i mikrofibrylowana celuloza wytworzona zgodnie z tym sposobem |
| TWI500633B (zh) * | 2012-12-27 | 2015-09-21 | Metal Ind Res & Dev Ct | 含纖維素生質材料處理方法 |
| CN105324530B (zh) * | 2013-06-20 | 2018-01-19 | 巴斯夫欧洲公司 | 微纤维化的纤维素组合物的制备方法 |
| SE540079C2 (sv) * | 2014-06-27 | 2018-03-13 | Stora Enso Oyj | Förfarande för framställning av cellulosakarbamat, cellulosakarbamat samt spinnlösning innefattande cellulosakarbamat |
| FI127717B (en) | 2014-10-29 | 2018-12-31 | Kemira Oyj | Process for the preparation of microfibrillar cellulose and microfibrillar cellulose |
| EP3438132B1 (en) * | 2016-03-31 | 2021-12-15 | Oji Holdings Corporation | Method for producing fibrous cellulose, and fibrous cellulose |
| EP3668903A1 (en) * | 2017-08-14 | 2020-06-24 | Borregaard AS | Microfibrillated cellulose as a crosslinking agent |
| FI20215213A1 (en) * | 2021-02-26 | 2022-08-27 | Infinited Fiber Company Oy | Process for the production of cellulose carbamate |
-
2020
- 2020-08-28 TW TW109129554A patent/TWI838573B/zh active
- 2020-08-31 JP JP2022513638A patent/JP7453711B2/ja active Active
- 2020-08-31 FI FIEP20767863.2T patent/FI4021946T3/fi active
- 2020-08-31 PL PL20767863.2T patent/PL4021946T3/pl unknown
- 2020-08-31 KR KR1020227010466A patent/KR102827254B1/ko active Active
- 2020-08-31 EP EP20767863.2A patent/EP4021946B1/en active Active
- 2020-08-31 PT PT207678632T patent/PT4021946T/pt unknown
- 2020-08-31 WO PCT/FI2020/050560 patent/WO2021038136A1/en not_active Ceased
- 2020-08-31 ES ES20767863T patent/ES2957800T3/es active Active
- 2020-08-31 CA CA3149943A patent/CA3149943A1/en active Pending
- 2020-08-31 CN CN202080058891.XA patent/CN114258406A/zh active Pending
- 2020-08-31 US US17/637,482 patent/US20220275109A1/en active Pending
-
2022
- 2022-02-04 ZA ZA2022/01563A patent/ZA202201563B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JP7453711B2 (ja) | 2024-03-21 |
| ZA202201563B (en) | 2022-11-30 |
| ES2957800T3 (es) | 2024-01-25 |
| WO2021038136A1 (en) | 2021-03-04 |
| TW202116816A (zh) | 2021-05-01 |
| EP4021946A1 (en) | 2022-07-06 |
| CA3149943A1 (en) | 2021-03-04 |
| BR112022003493A2 (pt) | 2022-05-24 |
| CN114258406A (zh) | 2022-03-29 |
| EP4021946B1 (en) | 2023-07-05 |
| PL4021946T3 (pl) | 2023-12-27 |
| US20220275109A1 (en) | 2022-09-01 |
| KR102827254B1 (ko) | 2025-06-27 |
| FI4021946T3 (fi) | 2023-09-12 |
| JP2023500555A (ja) | 2023-01-10 |
| KR20220058570A (ko) | 2022-05-09 |
| TWI838573B (zh) | 2024-04-11 |
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