CN105392929A - 用于生产成型纤维素制品的方法 - Google Patents
用于生产成型纤维素制品的方法 Download PDFInfo
- Publication number
- CN105392929A CN105392929A CN201480032147.7A CN201480032147A CN105392929A CN 105392929 A CN105392929 A CN 105392929A CN 201480032147 A CN201480032147 A CN 201480032147A CN 105392929 A CN105392929 A CN 105392929A
- Authority
- CN
- China
- Prior art keywords
- lignin
- ionic liquid
- spinning
- dbn
- solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 62
- 229920002678 cellulose Polymers 0.000 title claims abstract description 25
- 239000001913 cellulose Substances 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 230000008569 process Effects 0.000 title claims description 11
- 239000000835 fiber Substances 0.000 claims abstract description 65
- 238000009987 spinning Methods 0.000 claims abstract description 62
- 239000002608 ionic liquid Substances 0.000 claims abstract description 39
- 239000012978 lignocellulosic material Substances 0.000 claims abstract description 17
- 239000004753 textile Substances 0.000 claims abstract description 14
- QDFXRVAOBHEBGJ-UHFFFAOYSA-N 3-(cyclononen-1-yl)-4,5,6,7,8,9-hexahydro-1h-diazonine Chemical compound C1CCCCCCC=C1C1=NNCCCCCC1 QDFXRVAOBHEBGJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000126 substance Substances 0.000 claims abstract description 5
- 239000002243 precursor Substances 0.000 claims abstract description 4
- 229920005610 lignin Polymers 0.000 claims description 33
- 229920001131 Pulp (paper) Polymers 0.000 claims description 30
- -1 alkene CATION Chemical class 0.000 claims description 25
- 229910052736 halogen Inorganic materials 0.000 claims description 11
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 claims description 8
- 150000001450 anions Chemical class 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 8
- 238000002166 wet spinning Methods 0.000 claims description 8
- 238000004061 bleaching Methods 0.000 claims description 7
- 239000000123 paper Substances 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 7
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 6
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 claims description 6
- 229920003043 Cellulose fiber Polymers 0.000 claims description 5
- 150000001768 cations Chemical class 0.000 claims description 5
- 150000002500 ions Chemical class 0.000 claims description 5
- 229920005611 kraft lignin Polymers 0.000 claims description 5
- 238000003911 water pollution Methods 0.000 claims description 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 4
- 229920000875 Dissolving pulp Polymers 0.000 claims description 4
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 claims description 4
- 150000002367 halogens Chemical class 0.000 claims description 4
- 150000002431 hydrogen Chemical class 0.000 claims description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 4
- 238000004537 pulping Methods 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 239000002023 wood Substances 0.000 claims description 4
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 3
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 241000370738 Chlorion Species 0.000 claims description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 3
- 229920001732 Lignosulfonate Polymers 0.000 claims description 3
- 229910019142 PO4 Inorganic materials 0.000 claims description 3
- ZMZDMBWJUHKJPS-UHFFFAOYSA-M Thiocyanate anion Chemical compound [S-]C#N ZMZDMBWJUHKJPS-UHFFFAOYSA-M 0.000 claims description 3
- 230000002378 acidificating effect Effects 0.000 claims description 3
- 150000007513 acids Chemical class 0.000 claims description 3
- 150000008051 alkyl sulfates Chemical class 0.000 claims description 3
- 229940006460 bromide ion Drugs 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- 235000019253 formic acid Nutrition 0.000 claims description 3
- 150000004676 glycans Chemical class 0.000 claims description 3
- ZMZDMBWJUHKJPS-UHFFFAOYSA-N hydrogen thiocyanate Natural products SC#N ZMZDMBWJUHKJPS-UHFFFAOYSA-N 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 239000003960 organic solvent Substances 0.000 claims description 3
- 235000021317 phosphate Nutrition 0.000 claims description 3
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims description 3
- 229910000073 phosphorus hydride Inorganic materials 0.000 claims description 3
- 229920001282 polysaccharide Polymers 0.000 claims description 3
- 239000005017 polysaccharide Substances 0.000 claims description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 claims description 3
- 238000005292 vacuum distillation Methods 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 125000004183 alkoxy alkyl group Chemical group 0.000 claims description 2
- 125000003545 alkoxy group Chemical group 0.000 claims description 2
- 125000003118 aryl group Chemical group 0.000 claims description 2
- XXQGYGJZNMSSFD-UHFFFAOYSA-N 2-[2-(dimethylcarbamoyl)phenoxy]acetic acid Chemical compound CN(C)C(=O)C1=CC=CC=C1OCC(O)=O XXQGYGJZNMSSFD-UHFFFAOYSA-N 0.000 claims 2
- 102100022443 CXADR-like membrane protein Human genes 0.000 claims 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims 2
- 239000007844 bleaching agent Substances 0.000 claims 1
- 239000010899 old newspaper Substances 0.000 claims 1
- 239000010893 paper waste Substances 0.000 claims 1
- 239000002699 waste material Substances 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000004888 barrier function Effects 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 abstract description 2
- 238000004090 dissolution Methods 0.000 abstract 1
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 239000002585 base Substances 0.000 description 21
- LFTLOKWAGJYHHR-UHFFFAOYSA-N N-methylmorpholine N-oxide Chemical compound CN1(=O)CCOCC1 LFTLOKWAGJYHHR-UHFFFAOYSA-N 0.000 description 16
- 229920000433 Lyocell Polymers 0.000 description 7
- 229920000742 Cotton Polymers 0.000 description 5
- 229930194845 Bahia Natural products 0.000 description 4
- 244000166124 Eucalyptus globulus Species 0.000 description 4
- 244000147568 Laurus nobilis Species 0.000 description 4
- 235000017858 Laurus nobilis Nutrition 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 229920000297 Rayon Polymers 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 150000007942 carboxylates Chemical class 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- NJMWOUFKYKNWDW-UHFFFAOYSA-N 1-ethyl-3-methylimidazolium Chemical compound CCN1C=C[N+](C)=C1 NJMWOUFKYKNWDW-UHFFFAOYSA-N 0.000 description 2
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- YAZJBJXUPFNJSH-UHFFFAOYSA-N anthracene-9,10-dione;sulfurous acid Chemical compound OS(O)=O.C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 YAZJBJXUPFNJSH-UHFFFAOYSA-N 0.000 description 2
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 2
- 150000001720 carbohydrates Chemical class 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000001523 electrospinning Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000002655 kraft paper Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000000569 multi-angle light scattering Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- ZXLOSLWIGFGPIU-UHFFFAOYSA-N 1-ethyl-3-methyl-1,2-dihydroimidazol-1-ium;acetate Chemical compound CC(O)=O.CCN1CN(C)C=C1 ZXLOSLWIGFGPIU-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 description 1
- 150000001204 N-oxides Chemical class 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- AFVAAKZXFPQYEJ-UHFFFAOYSA-N anthracene-9,10-dione;sodium Chemical compound [Na].C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 AFVAAKZXFPQYEJ-UHFFFAOYSA-N 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 150000004292 cyclic ethers Chemical group 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011086 glassine Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002460 imidazoles Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005555 metalworking Methods 0.000 description 1
- 150000004682 monohydrates Chemical class 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000013501 sustainable material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- C08B1/003—Preparation of cellulose solutions, i.e. dopes, with different possible solvents, e.g. ionic liquids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/005—Lignin
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
-
- 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
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
- D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
- D01F9/14—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments
- D01F9/16—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from products of vegetable origin or derivatives thereof, e.g. from cellulose acetate
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/20—Cellulose-derived artificial fibres
- D10B2201/22—Cellulose-derived artificial fibres made from cellulose solutions
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Biochemistry (AREA)
- Wood Science & Technology (AREA)
- Artificial Filaments (AREA)
Abstract
Description
Claims (27)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361808415P | 2013-04-04 | 2013-04-04 | |
US61/808415 | 2013-04-04 | ||
FI20136311 | 2013-12-20 | ||
FI20136311 | 2013-12-20 | ||
PCT/FI2014/050238 WO2014162062A1 (en) | 2013-04-04 | 2014-04-04 | Process for the production of shaped cellulose articles |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105392929A true CN105392929A (zh) | 2016-03-09 |
CN105392929B CN105392929B (zh) | 2020-09-11 |
Family
ID=51657643
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201480032147.7A Active CN105392929B (zh) | 2013-04-04 | 2014-04-04 | 用于生产成型纤维素制品的方法 |
Country Status (6)
Country | Link |
---|---|
US (2) | US10240259B2 (zh) |
EP (1) | EP2981641B1 (zh) |
CN (1) | CN105392929B (zh) |
BR (1) | BR112015025441A2 (zh) |
CA (1) | CA2908764C (zh) |
WO (1) | WO2014162062A1 (zh) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110168000A (zh) * | 2016-12-20 | 2019-08-23 | 阿尔托大学注册基金会 | 含纤维素的共混废物的分离和升级再造 |
CN110214205A (zh) * | 2017-01-30 | 2019-09-06 | 阿尔托大学注册基金会 | 用于制作纤维素纤维或膜的方法 |
CN110249093A (zh) * | 2017-02-01 | 2019-09-17 | 阿尔托大学注册基金会 | 将机械浆粕衍生的废料转化成增值纤维素产品的方法 |
CN110256698A (zh) * | 2019-05-30 | 2019-09-20 | 北京林业大学 | 一种纤维素溶剂及其制备方法和用途 |
CN110506137A (zh) * | 2017-02-15 | 2019-11-26 | 斯宾诺华公司 | 天然纤维基短纤维、制造这种天然纤维基短纤维的方法和设备 |
CN113794034A (zh) * | 2021-08-03 | 2021-12-14 | 惠州锂威新能源科技有限公司 | 一种自支撑隔膜及其制备方法、复合极片以及二次电池 |
CN114195791A (zh) * | 2021-11-25 | 2022-03-18 | 华南理工大学 | 一种多元离子液体及其制备方法和应用 |
CN114402098A (zh) * | 2019-09-17 | 2022-04-26 | 阿尔托大学基金会 | 莱赛尔纤维及其生产方法 |
CN114575040A (zh) * | 2022-02-24 | 2022-06-03 | 北京林业大学 | 一种纤维素溶喷布及其制备方法和应用 |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160369456A1 (en) * | 2014-04-17 | 2016-12-22 | Evrnu, Spc | Methods and systems for processing cellulose-containing materials and isolating cellulose molecules; methods for regenerating cellulosic fibers |
US11034817B2 (en) | 2013-04-17 | 2021-06-15 | Evrnu, Spc | Methods and systems for processing mixed textile feedstock, isolating constituent molecules, and regenerating cellulosic and polyester fibers |
EP2889401B2 (de) | 2013-12-30 | 2020-04-29 | Stora Enso Oyj | Regenerierte Cellulosefaser |
CA2987025C (en) * | 2015-06-11 | 2023-06-13 | Stora Enso Oyj | A fiber and a process for the manufacture thereof |
WO2018039505A1 (en) * | 2016-08-24 | 2018-03-01 | National Technology & Engineering Solutions Of Sandia Llc (Ntess) | Novel protic or phosphate-based ionic liquids useful for lignocellulosic processing |
SE541675C2 (en) | 2016-10-19 | 2019-11-26 | Re Newcell Ab | Recycling of cellulosic textiles |
US11414789B2 (en) | 2016-12-06 | 2022-08-16 | Re:Newcell Ab | Cellulose fibers |
WO2018137757A1 (de) | 2017-01-24 | 2018-08-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Spinnlösung enthaltend cellulosecarbamat und cellulosexanthogenat, verfahren zur herstellung von formkörpern und entsprechend hergestellte formkörper |
GB201705186D0 (en) * | 2017-03-31 | 2017-05-17 | Innovia Films Ltd | Fibre |
EP3642289A1 (en) * | 2017-06-22 | 2020-04-29 | Helsingin Yliopisto | Method of joining polymeric biomaterials |
WO2019180321A1 (en) * | 2018-03-20 | 2019-09-26 | Helsingin Yliopisto | Method of processing cellulosic materials |
GB2583719B (en) | 2019-05-02 | 2023-05-31 | Worn Again Tech Ltd | Recycling process |
FR3095819B1 (fr) * | 2019-05-10 | 2021-06-18 | Inst De Rech Tech Jules Verne | Procédé de fabrication d’une fibre de carbone à partir d’un produit en papier |
US20220364997A1 (en) * | 2019-06-28 | 2022-11-17 | Aalto University Foundation Sr | Quantitative raman spectroscopy |
FI20196131A1 (en) | 2019-12-23 | 2021-06-24 | Metsae Fibre Oy | Dispersion of cellulose fibers and process for their preparation |
FI130401B (en) | 2020-03-09 | 2023-08-14 | Infinited Fiber Company Oy | Separation of polyester-cotton blends |
SE545586C2 (en) * | 2020-07-01 | 2023-10-31 | Rise Res Institutes Of Sweden Ab | Method of wet spinning precursor fibers comprising lignin and dissolving pulp for the production of carbon fibers, and precursor fibers therefrom |
WO2023034885A1 (en) | 2021-08-31 | 2023-03-09 | Apani Systems Inc. | Textile recycling |
FI130519B (en) | 2021-09-09 | 2023-10-24 | Infinited Fiber Company Oy | Method for processing fibrous raw material |
FI20225009A1 (en) | 2022-01-07 | 2023-07-08 | Infinited Fiber Company Oy | Cellulose carbamate polymer |
FI20225040A1 (en) * | 2022-01-18 | 2023-07-19 | Metsae Spring Oy | Method for the production of cellulose-based moldings |
GB202208067D0 (en) * | 2022-05-31 | 2022-07-13 | Imperial College Innovations Ltd | Method for making fibres |
Citations (5)
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CN105392929B (zh) | 2020-09-11 |
EP2981641A1 (en) | 2016-02-10 |
US10240259B2 (en) | 2019-03-26 |
US20160053407A1 (en) | 2016-02-25 |
CA2908764A1 (en) | 2014-10-09 |
EP2981641B1 (en) | 2024-05-15 |
CA2908764C (en) | 2021-07-27 |
US20190153625A1 (en) | 2019-05-23 |
WO2014162062A1 (en) | 2014-10-09 |
BR112015025441A2 (pt) | 2017-07-18 |
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