BR112020017780A2 - Polpa de celulose e corpo de lyocell tendo teor de celulose reduzido - Google Patents
Polpa de celulose e corpo de lyocell tendo teor de celulose reduzido Download PDFInfo
- Publication number
- BR112020017780A2 BR112020017780A2 BR112020017780-6A BR112020017780A BR112020017780A2 BR 112020017780 A2 BR112020017780 A2 BR 112020017780A2 BR 112020017780 A BR112020017780 A BR 112020017780A BR 112020017780 A2 BR112020017780 A2 BR 112020017780A2
- Authority
- BR
- Brazil
- Prior art keywords
- cellulose
- hemicellulose
- weight
- lyocell
- cellulose pulp
- Prior art date
Links
- 229920002678 cellulose Polymers 0.000 title claims abstract description 179
- 239000001913 cellulose Substances 0.000 title claims abstract description 177
- 229920000433 Lyocell Polymers 0.000 title claims abstract description 99
- 239000000203 mixture Substances 0.000 claims abstract description 36
- 229920002488 Hemicellulose Polymers 0.000 claims description 74
- 239000000835 fiber Substances 0.000 claims description 66
- 238000000034 method Methods 0.000 claims description 44
- 230000008569 process Effects 0.000 claims description 39
- 150000004823 xylans Chemical class 0.000 claims description 30
- 229920000057 Mannan Polymers 0.000 claims description 29
- 229920001221 xylan Polymers 0.000 claims description 29
- 239000002023 wood Substances 0.000 claims description 28
- 238000004519 manufacturing process Methods 0.000 claims description 27
- 229920005610 lignin Polymers 0.000 claims description 21
- 238000009987 spinning Methods 0.000 claims description 21
- 238000012545 processing Methods 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 4
- 238000004090 dissolution Methods 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 2
- 238000009472 formulation Methods 0.000 claims 1
- 235000010980 cellulose Nutrition 0.000 description 152
- 239000000047 product Substances 0.000 description 24
- 239000000243 solution Substances 0.000 description 19
- 229920000297 Rayon Polymers 0.000 description 15
- 230000009467 reduction Effects 0.000 description 14
- 229920000642 polymer Polymers 0.000 description 11
- 235000000346 sugar Nutrition 0.000 description 11
- 238000010411 cooking Methods 0.000 description 10
- 102100030386 Granzyme A Human genes 0.000 description 9
- 101001009599 Homo sapiens Granzyme A Proteins 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 239000002994 raw material Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- LFTLOKWAGJYHHR-UHFFFAOYSA-N N-methylmorpholine N-oxide Chemical compound CN1(=O)CCOCC1 LFTLOKWAGJYHHR-UHFFFAOYSA-N 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 6
- 150000008163 sugars Chemical class 0.000 description 6
- 230000006978 adaptation Effects 0.000 description 5
- 239000004753 textile Substances 0.000 description 5
- SRBFZHDQGSBBOR-IOVATXLUSA-N D-xylopyranose Chemical compound O[C@@H]1COC(O)[C@H](O)[C@H]1O SRBFZHDQGSBBOR-IOVATXLUSA-N 0.000 description 4
- 229920001131 Pulp (paper) Polymers 0.000 description 4
- 238000005470 impregnation Methods 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 206010049865 Achromotrichia acquired Diseases 0.000 description 3
- WQZGKKKJIJFFOK-QTVWNMPRSA-N D-mannopyranose Chemical compound OC[C@H]1OC(O)[C@@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-QTVWNMPRSA-N 0.000 description 3
- 240000000731 Fagus sylvatica Species 0.000 description 3
- 235000010099 Fagus sylvatica Nutrition 0.000 description 3
- 229920001503 Glucan Polymers 0.000 description 3
- 241000218657 Picea Species 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- WQZGKKKJIJFFOK-PHYPRBDBSA-N alpha-D-galactose Chemical compound OC[C@H]1O[C@H](O)[C@H](O)[C@@H](O)[C@H]1O WQZGKKKJIJFFOK-PHYPRBDBSA-N 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- PYMYPHUHKUWMLA-UHFFFAOYSA-N arabinose Natural products OCC(O)C(O)C(O)C=O PYMYPHUHKUWMLA-UHFFFAOYSA-N 0.000 description 3
- SRBFZHDQGSBBOR-UHFFFAOYSA-N beta-D-Pyranose-Lyxose Natural products OC1COC(O)C(O)C1O SRBFZHDQGSBBOR-UHFFFAOYSA-N 0.000 description 3
- 239000011436 cob Substances 0.000 description 3
- 230000000875 corresponding effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000007380 fibre production Methods 0.000 description 3
- 229930182830 galactose Natural products 0.000 description 3
- 239000002655 kraft paper Substances 0.000 description 3
- 238000011031 large-scale manufacturing process Methods 0.000 description 3
- 235000018553 tannin Nutrition 0.000 description 3
- 229920001864 tannin Polymers 0.000 description 3
- 239000001648 tannin Substances 0.000 description 3
- 229920003043 Cellulose fiber Polymers 0.000 description 2
- SHZGCJCMOBCMKK-UHFFFAOYSA-N D-mannomethylose Natural products CC1OC(O)C(O)C(O)C1O SHZGCJCMOBCMKK-UHFFFAOYSA-N 0.000 description 2
- 244000166124 Eucalyptus globulus Species 0.000 description 2
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 2
- SHZGCJCMOBCMKK-JFNONXLTSA-N L-rhamnopyranose Chemical compound C[C@@H]1OC(O)[C@H](O)[C@H](O)[C@H]1O SHZGCJCMOBCMKK-JFNONXLTSA-N 0.000 description 2
- PNNNRSAQSRJVSB-UHFFFAOYSA-N L-rhamnose Natural products CC(O)C(O)C(O)C(O)C=O PNNNRSAQSRJVSB-UHFFFAOYSA-N 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 2
- 238000004061 bleaching Methods 0.000 description 2
- 239000007844 bleaching agent Substances 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 239000008103 glucose Substances 0.000 description 2
- 235000020044 madeira Nutrition 0.000 description 2
- LPHFLPKXBKBHRW-UHFFFAOYSA-L magnesium;hydrogen sulfite Chemical compound [Mg+2].OS([O-])=O.OS([O-])=O LPHFLPKXBKBHRW-UHFFFAOYSA-L 0.000 description 2
- 239000006224 matting agent Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- -1 non-woven blankets Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 229920001282 polysaccharide Polymers 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 150000003505 terpenes Chemical class 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- 230000002087 whitening effect Effects 0.000 description 2
- QGGOCWIJGWDKHC-FSIIMWSLSA-N (2s,3s,4r,5r)-2,4,5-trihydroxy-3-methoxy-6-oxohexanoic acid Chemical group OC(=O)[C@@H](O)[C@@H](OC)[C@H](O)[C@@H](O)C=O QGGOCWIJGWDKHC-FSIIMWSLSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241001070947 Fagus Species 0.000 description 1
- IAJILQKETJEXLJ-UHFFFAOYSA-N Galacturonsaeure Natural products O=CC(O)C(O)C(O)C(O)C(O)=O IAJILQKETJEXLJ-UHFFFAOYSA-N 0.000 description 1
- 235000008124 Picea excelsa Nutrition 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000001069 Raman spectroscopy Methods 0.000 description 1
- 229930183415 Suberin Natural products 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- CSCPPACGZOOCGX-UHFFFAOYSA-N acetone Substances CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 1
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- IAJILQKETJEXLJ-QTBDOELSSA-N aldehydo-D-glucuronic acid Chemical compound O=C[C@H](O)[C@@H](O)[C@H](O)[C@H](O)C(O)=O IAJILQKETJEXLJ-QTBDOELSSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- PYMYPHUHKUWMLA-WDCZJNDASA-N arabinose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)C=O PYMYPHUHKUWMLA-WDCZJNDASA-N 0.000 description 1
- 125000000089 arabinosyl group Chemical group C1([C@@H](O)[C@H](O)[C@H](O)CO1)* 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 239000003139 biocide Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000007385 chemical modification Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000013538 functional additive Substances 0.000 description 1
- 125000002791 glucosyl group Chemical group C1([C@H](O)[C@@H](O)[C@H](O)[C@H](O1)CO)* 0.000 description 1
- 229940097043 glucuronic acid Drugs 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002608 ionic liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- LUEWUZLMQUOBSB-GFVSVBBRSA-N mannan Chemical class O[C@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1O[C@@H]1[C@@H](CO)O[C@@H](O[C@@H]2[C@H](O[C@@H](O[C@H]3[C@H](O[C@@H](O)[C@@H](O)[C@H]3O)CO)[C@@H](O)[C@H]2O)CO)[C@H](O)[C@H]1O LUEWUZLMQUOBSB-GFVSVBBRSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 229920001277 pectin Polymers 0.000 description 1
- 239000001814 pectin Substances 0.000 description 1
- 235000010987 pectin Nutrition 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 150000008442 polyphenolic compounds Chemical class 0.000 description 1
- 235000013824 polyphenols Nutrition 0.000 description 1
- 239000004627 regenerated cellulose Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 235000007586 terpenes Nutrition 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000001993 wax Substances 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
-
- 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
- D01F2/24—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
- D01F2/28—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate
- D01F2/30—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate by the dry spinning process
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/001—Modification of pulp properties
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/001—Modification of pulp properties
- D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/16—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/02—Synthetic cellulose fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/02—Synthetic cellulose fibres
- D21H13/08—Synthetic cellulose fibres from regenerated cellulose
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Textile Engineering (AREA)
- Paper (AREA)
- Artificial Filaments (AREA)
- Nonwoven Fabrics (AREA)
- Knitting Of Fabric (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP18160123.8 | 2018-03-06 | ||
| EP18160123.8A EP3536850A1 (de) | 2018-03-06 | 2018-03-06 | Zellstoff und lyocellformkörper mit reduziertem cellulosegehalt |
| PCT/EP2019/055593 WO2019170763A1 (de) | 2018-03-06 | 2019-03-06 | Zellstoff und lyocellformkörper mit reduziertem cellulosegehalt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112020017780A2 true BR112020017780A2 (pt) | 2020-12-22 |
Family
ID=61569169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112020017780-6A BR112020017780A2 (pt) | 2018-03-06 | 2019-03-06 | Polpa de celulose e corpo de lyocell tendo teor de celulose reduzido |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US20210002825A1 (zh) |
| EP (2) | EP3536850A1 (zh) |
| CN (1) | CN111788348B (zh) |
| BR (1) | BR112020017780A2 (zh) |
| CA (1) | CA3092615C (zh) |
| CL (1) | CL2020002286A1 (zh) |
| ES (1) | ES2968528T3 (zh) |
| FI (1) | FI3762537T3 (zh) |
| TW (1) | TWI746936B (zh) |
| WO (1) | WO2019170763A1 (zh) |
| ZA (1) | ZA202006048B (zh) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI814782B (zh) * | 2018-03-06 | 2023-09-11 | 奧地利商蘭仁股份有限公司 | 溶劑紡絲之纖維素纖維 |
| CN113109205A (zh) * | 2021-03-29 | 2021-07-13 | 杭州融凯盛科技有限公司 | 一种快速检测莱赛尔纤维成型状态方法 |
Family Cites Families (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4246221A (en) | 1979-03-02 | 1981-01-20 | Akzona Incorporated | Process for shaped cellulose article prepared from a solution containing cellulose dissolved in a tertiary amine N-oxide solvent |
| ATA53792A (de) | 1992-03-17 | 1995-02-15 | Chemiefaser Lenzing Ag | Verfahren zur herstellung cellulosischer formkörper, vorrichtung zur durchführung des verfahrens sowie verwendung einer spinnvorrichtung |
| DE59306540D1 (de) | 1992-10-05 | 1997-06-26 | Hans Paluschinski | Schlamm- und abwasser-probeentnahmegerät und verfahren zur probeentnahme |
| US5413631A (en) | 1993-05-24 | 1995-05-09 | Courtaulds (Holding) Limited | Formation of a cellulose-based premix |
| US5456748A (en) | 1993-05-24 | 1995-10-10 | Courtaulds Fibres (Holdings) Ltd. | Premix storage hopper |
| AT401271B (de) | 1993-07-08 | 1996-07-25 | Chemiefaser Lenzing Ag | Verfahren zur herstellung von cellulosefasern |
| GB9412501D0 (en) * | 1994-06-22 | 1994-08-10 | Courtaulds Fibres Holdings Ltd | Manufacture of fibre |
| AT402410B (de) | 1995-04-19 | 1997-05-26 | Chemiefaser Lenzing Ag | Verfahren zur herstellung einer cellulosesuspension |
| AT409130B (de) | 1995-04-25 | 2002-05-27 | Chemiefaser Lenzing Ag | Verwendung einer vorrichtung zum halten und abgeben einer homogenen cellulosesuspension |
| GB9607456D0 (en) | 1996-04-10 | 1996-06-12 | Courtaulds Fibres Holdings Ltd | Spinning of filaments |
| AT404594B (de) | 1996-08-01 | 1998-12-28 | Chemiefaser Lenzing Ag | Verfahren zur herstellung einer cellulosesuspension |
| US6331354B1 (en) | 1996-08-23 | 2001-12-18 | Weyerhaeuser Company | Alkaline pulp having low average degree of polymerization values and method of producing the same |
| US6306334B1 (en) | 1996-08-23 | 2001-10-23 | The Weyerhaeuser Company | Process for melt blowing continuous lyocell fibers |
| US6471727B2 (en) | 1996-08-23 | 2002-10-29 | Weyerhaeuser Company | Lyocell fibers, and compositions for making the same |
| US6210801B1 (en) * | 1996-08-23 | 2001-04-03 | Weyerhaeuser Company | Lyocell fibers, and compositions for making same |
| US6057438A (en) * | 1996-10-11 | 2000-05-02 | Eastman Chemical Company | Process for the co-production of dissolving-grade pulp and xylan |
| US20020084045A1 (en) * | 1998-11-12 | 2002-07-04 | Dimitris Ioannis Collias | Compositions for improving physical strength properties and humidity resistance of paper products |
| US6686040B2 (en) | 1999-02-24 | 2004-02-03 | Weyerhaeuser Company | Use of thinnings and other low specific gravity wood for lyocell products |
| DE102004024029A1 (de) * | 2004-05-13 | 2005-12-08 | Zimmer Ag | Lyocell-Verfahren und -Vorrichtung mit Steuerung des Metallionen-Gehalts |
| DE102004024030A1 (de) * | 2004-05-13 | 2005-12-08 | Zimmer Ag | Lyocell-Verfahren mit polymerisationsgradabhängiger Einstellung der Verarbeitungsdauer |
| US8802229B2 (en) | 2007-06-29 | 2014-08-12 | Weyerhaeuser Nr Company | Lyocell fibers |
| US9845575B2 (en) * | 2009-05-14 | 2017-12-19 | International Paper Company | Fibrillated blend of lyocell low DP pulp |
| AT514001B1 (de) | 2012-12-06 | 2016-03-15 | Chemiefaser Lenzing Ag | Verfahren zur Herstellung eines cellulosischen Formkörpers |
| US20150184338A1 (en) * | 2013-12-31 | 2015-07-02 | Weyerhaeuser Nr Company | Treated kraft pulp compositions and methods of making the same |
| US9222223B1 (en) | 2014-06-30 | 2015-12-29 | Weyerhaeuser Nr Company | Esterified cellulose pulp compositions and related methods |
| WO2016022459A1 (en) * | 2014-08-05 | 2016-02-11 | Celanese Acetate Llc | Processes for pretreating and purifying a cellulosic material |
| US10239905B2 (en) * | 2017-01-30 | 2019-03-26 | The United States Of America As Represented By The Secretary Of Agriculture | Low temperature and efficient fractionation of lignocellulosic biomass using recyclable organic solid acids |
-
2018
- 2018-03-06 EP EP18160123.8A patent/EP3536850A1/de not_active Withdrawn
-
2019
- 2019-03-06 ES ES19708327T patent/ES2968528T3/es active Active
- 2019-03-06 FI FIEP19708327.2T patent/FI3762537T3/fi active
- 2019-03-06 WO PCT/EP2019/055593 patent/WO2019170763A1/de unknown
- 2019-03-06 TW TW108107361A patent/TWI746936B/zh active
- 2019-03-06 EP EP19708327.2A patent/EP3762537B1/de active Active
- 2019-03-06 CA CA3092615A patent/CA3092615C/en active Active
- 2019-03-06 US US16/978,340 patent/US20210002825A1/en not_active Abandoned
- 2019-03-06 BR BR112020017780-6A patent/BR112020017780A2/pt active Search and Examination
- 2019-03-06 CN CN201980017308.8A patent/CN111788348B/zh active Active
-
2020
- 2020-09-03 CL CL2020002286A patent/CL2020002286A1/es unknown
- 2020-09-30 ZA ZA2020/06048A patent/ZA202006048B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ZA202006048B (en) | 2022-03-30 |
| TW201942444A (zh) | 2019-11-01 |
| US20210002825A1 (en) | 2021-01-07 |
| TWI746936B (zh) | 2021-11-21 |
| RU2020132856A (ru) | 2022-04-06 |
| EP3762537A1 (de) | 2021-01-13 |
| CA3092615C (en) | 2022-11-29 |
| CL2020002286A1 (es) | 2021-02-05 |
| WO2019170763A1 (de) | 2019-09-12 |
| CN111788348B (zh) | 2023-03-28 |
| ES2968528T3 (es) | 2024-05-10 |
| RU2020132856A3 (zh) | 2022-04-12 |
| CN111788348A (zh) | 2020-10-16 |
| EP3762537B1 (de) | 2023-10-25 |
| FI3762537T3 (fi) | 2024-01-17 |
| EP3536850A1 (de) | 2019-09-11 |
| CA3092615A1 (en) | 2019-09-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2676987C2 (ru) | Способ получения суспензии микрофибриллированной целлюлозы, микрофибриллированная целлюлоза и ее применение | |
| ES2628879T3 (es) | Método para la producción de fibras precursoras que contienen lignina y también de fibras de carbono | |
| US20220033529A1 (en) | Regenerated cellulosic fibres spun from an aqueous alkaline spindope | |
| ES2620086T3 (es) | Fibra de polisacárido con capacidad de fibrilación elevada y procedimiento para su preparación | |
| BR112019014155B1 (pt) | Nanofibras de celulose modificadas com éster sulfato e método para a produção das nanofibras de celulose | |
| Chen et al. | Combined effects of raw materials and solvent systems on the preparation and properties of regenerated cellulose fibers | |
| BR112012028938B1 (pt) | solução de dope de fibra, método para produzir uma solução de dope de fibra, produto, e, fibra | |
| KR20150139594A (ko) | 폴리사카라이드 섬유 및 이의 생산 방법 | |
| KR20160020514A (ko) | 폴리사카라이드 섬유 및 이의 생산 방법 | |
| BR112020017780A2 (pt) | Polpa de celulose e corpo de lyocell tendo teor de celulose reduzido | |
| TWI767110B (zh) | 原纖化趨向被提昇的萊纖纖維 | |
| KR102662301B1 (ko) | 용매-방적 셀룰로오스 섬유 | |
| Hummel et al. | High‐performance Lignocellulosic Fibers Spun from Ionic Liquid Solution | |
| Li et al. | Study on the structure and properties of viscose/wool powder blended fibre | |
| RU2781410C2 (ru) | Древесная масса и лиоцелловое изделие с уменьшенным содержанием целлюлозы | |
| JPH06220213A (ja) | リグノセルロース成形品およびその製法 | |
| WO2019170743A1 (de) | Lyocell-fasern ohne mannan | |
| Zhang et al. | A strategy for introducing biomass naringin molecules into regenerated cellulose fibers: Construction of both low fibrillation tendency and high strength lyocell fibers | |
| JPS6340213B2 (zh) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B350 | Update of information on the portal [chapter 15.35 patent gazette] | ||
| B06W | Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette] | ||
| B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
| B09A | Decision: intention to grant [chapter 9.1 patent gazette] |