DK2236664T3 - Fremgangsmåde til fremstilling af nano-fibrillære cellulosesuspensioner - Google Patents
Fremgangsmåde til fremstilling af nano-fibrillære cellulosesuspensioner Download PDFInfo
- Publication number
- DK2236664T3 DK2236664T3 DK09156683.6T DK09156683T DK2236664T3 DK 2236664 T3 DK2236664 T3 DK 2236664T3 DK 09156683 T DK09156683 T DK 09156683T DK 2236664 T3 DK2236664 T3 DK 2236664T3
- Authority
- DK
- Denmark
- Prior art keywords
- filler
- pigment
- suspension
- cellulose
- pulp
- Prior art date
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- 238000000034 method Methods 0.000 title claims description 50
- 239000000725 suspension Substances 0.000 claims description 70
- 229920002678 cellulose Polymers 0.000 claims description 42
- 239000001913 cellulose Substances 0.000 claims description 42
- 239000000049 pigment Substances 0.000 claims description 37
- 239000000945 filler Substances 0.000 claims description 35
- 239000000835 fiber Substances 0.000 claims description 28
- 229920003043 Cellulose fiber Polymers 0.000 claims description 20
- 206010061592 cardiac fibrillation Diseases 0.000 claims description 20
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 19
- 230000002600 fibrillogenic effect Effects 0.000 claims description 19
- 239000002245 particle Substances 0.000 claims description 17
- 239000007787 solid Substances 0.000 claims description 14
- 239000000123 paper Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- 239000002655 kraft paper Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 229940088417 precipitated calcium carbonate Drugs 0.000 claims description 7
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 4
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 4
- 244000025254 Cannabis sativa Species 0.000 claims description 3
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims description 3
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 235000009120 camo Nutrition 0.000 claims description 3
- 235000005607 chanvre indien Nutrition 0.000 claims description 3
- 239000011487 hemp Substances 0.000 claims description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 2
- 240000000731 Fagus sylvatica Species 0.000 claims description 2
- 235000010099 Fagus sylvatica Nutrition 0.000 claims description 2
- 235000019738 Limestone Nutrition 0.000 claims description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 2
- 241000218657 Picea Species 0.000 claims description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 2
- 235000011613 Pinus brutia Nutrition 0.000 claims description 2
- 241000018646 Pinus brutia Species 0.000 claims description 2
- 229920000388 Polyphosphate Polymers 0.000 claims description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric Acid Chemical class [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 2
- NOJZFGZMTUAHLD-UHFFFAOYSA-N [Li].[Cl] Chemical compound [Li].[Cl] NOJZFGZMTUAHLD-UHFFFAOYSA-N 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 239000003513 alkali Substances 0.000 claims description 2
- 239000000440 bentonite Substances 0.000 claims description 2
- 229910000278 bentonite Inorganic materials 0.000 claims description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 2
- CXUJOBCFZQGUGO-UHFFFAOYSA-F calcium trimagnesium tetracarbonate Chemical compound [Mg++].[Mg++].[Mg++].[Ca++].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O CXUJOBCFZQGUGO-UHFFFAOYSA-F 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 235000015165 citric acid Nutrition 0.000 claims description 2
- 239000004927 clay Substances 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- 239000004567 concrete Substances 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims description 2
- 239000013078 crystal Substances 0.000 claims description 2
- 239000002270 dispersing agent Substances 0.000 claims description 2
- 239000010459 dolomite Substances 0.000 claims description 2
- 229910000514 dolomite Inorganic materials 0.000 claims description 2
- 239000001530 fumaric acid Substances 0.000 claims description 2
- 229920001519 homopolymer Polymers 0.000 claims description 2
- 229910000515 huntite Inorganic materials 0.000 claims description 2
- 239000006028 limestone Substances 0.000 claims description 2
- 239000001095 magnesium carbonate Substances 0.000 claims description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 2
- 235000014380 magnesium carbonate Nutrition 0.000 claims description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 2
- 239000011976 maleic acid Substances 0.000 claims description 2
- 239000004579 marble Substances 0.000 claims description 2
- 239000003973 paint Substances 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000001205 polyphosphate Substances 0.000 claims description 2
- 235000011176 polyphosphates Nutrition 0.000 claims description 2
- 239000005060 rubber Substances 0.000 claims description 2
- 150000004760 silicates Chemical class 0.000 claims description 2
- KOYWEMZJAXYYAY-UHFFFAOYSA-L sodium;2,3-dihydroxybutanedioate;iron(2+) Chemical compound [Na+].[Fe+2].[O-]C(=O)C(O)C(O)C([O-])=O KOYWEMZJAXYYAY-UHFFFAOYSA-L 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims description 2
- 239000000454 talc Substances 0.000 claims description 2
- 229910052623 talc Inorganic materials 0.000 claims description 2
- 235000002906 tartaric acid Nutrition 0.000 claims description 2
- 244000166124 Eucalyptus globulus Species 0.000 claims 1
- 239000004113 Sepiolite Substances 0.000 claims 1
- 206010052428 Wound Diseases 0.000 claims 1
- 208000027418 Wounds and injury Diseases 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- BXZCTOIDCRWONQ-UHFFFAOYSA-N copper;ethane-1,2-diamine Chemical compound [Cu+2].NCCN BXZCTOIDCRWONQ-UHFFFAOYSA-N 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- UEZVMMHDMIWARA-UHFFFAOYSA-M phosphonate Chemical compound [O-]P(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-M 0.000 claims 1
- 229910052624 sepiolite Inorganic materials 0.000 claims 1
- 235000019355 sepiolite Nutrition 0.000 claims 1
- 241000219927 Eucalyptus Species 0.000 description 11
- 239000007900 aqueous suspension Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000004575 stone Substances 0.000 description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 5
- 239000008399 tap water Substances 0.000 description 5
- 235000020679 tap water Nutrition 0.000 description 5
- 235000010216 calcium carbonate Nutrition 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 241000186514 Warburgia ugandensis Species 0.000 description 3
- 239000011111 cardboard Substances 0.000 description 3
- 229920005610 lignin Polymers 0.000 description 3
- 210000001724 microfibril Anatomy 0.000 description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 3
- 229910010271 silicon carbide Inorganic materials 0.000 description 3
- 229920000298 Cellophane Polymers 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 229920002488 Hemicellulose Polymers 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 235000011116 calcium hydroxide Nutrition 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011087 paperboard Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002964 rayon Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 241001464837 Viridiplantae Species 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229940117913 acrylamide Drugs 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 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 1
- 239000000872 buffer Substances 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000011086 glassine Substances 0.000 description 1
- 239000011084 greaseproof paper Substances 0.000 description 1
- 239000006194 liquid suspension Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 239000000693 micelle Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000004627 regenerated cellulose Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 230000029663 wound healing Effects 0.000 description 1
Classifications
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- 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
- D21H11/18—Highly hydrated, swollen or fibrillatable fibres
-
- 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
- D21C9/007—Modification of pulp properties by mechanical or physical means
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
- A61P17/02—Drugs for dermatological disorders for treating wounds, ulcers, burns, scars, keloids, or the like
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/14—Disintegrating in mills
- D21B1/16—Disintegrating in mills in the presence of chemical agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/675—Oxides, hydroxides or carbonates
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
-
- 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
- D21H15/00—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution
- D21H15/02—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution characterised by configuration
- D21H15/04—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution characterised by configuration crimped, kinked, curled or twisted fibres
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Dispersion Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Organic Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- Dermatology (AREA)
- Medicinal Chemistry (AREA)
- Veterinary Medicine (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Paper (AREA)
- Paints Or Removers (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Materials For Medical Uses (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Artificial Filaments (AREA)
- Adhesive Tapes (AREA)
- General Preparation And Processing Of Foods (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Polymerisation Methods In General (AREA)
- Graft Or Block Polymers (AREA)
Claims (20)
1
1. Fremgangsmåde til fremstillingen af nano-fibrillære cellulosesuspensioner, kendetegnet ved trinnene at: (a) tilvejebringe cellulosefibre i formen afen suspension; (b) tilvejebringe mindst et fyldstof og/eller pigment; (c) kombinere cellulosefibrene og det mindst ene fyldstof og/eller pigment; (d) fibrillere cellulosefibrene i tilstedeværelsen af det mindst ene fyldstof og/eller pigment indtil der ikke er flere fibre tilbage og kun primære cellulosefibriler opnås.
2. Fremgangsmåden ifølge krav 1, kendetegnet ved at cellulosefibrene er således indeholdt i fibermasser valgt fra gruppen omfattende i eukalyptusmasse, grantræsfibermasse, fyrretræsfibermasse, bøgetræsfibermasse, hampfibermasse, bomuldsfibermasse, og blandinger deraf.
3. Fremgangsmåden ifølge et hvilket som helst af kravene 1 eller 2, kendetegnet ved at cellulosefibrene er således indeholdt i kraftfibermasse, i særdeleshed afbleget langfiber kraftfibermasse.
4. Fremgangsmåden ifølge et hvilket som helst af de foregående krav, kendetegnet ved at cellulosefibrene tilvejebringes i formen afen suspension, fortrinsvis med et faststofindhold på fra 0,2 til 35 vægtprocent, mere fortrinsvis 0,25 til 10 vægtprocent, i særdeleshed 1 til 5 vægtprocent, og mest fortrinsvis 2 til 4,5 vægtprocent, f.eks. 1,3 vægtprocent eller 3,5 vægtprocent.
5. Fremgangsmåden ifølge et hvilket som helst af de foregående krav, kendetegnet ved at fyldstoffet og/eller pigmentet vælges fra gruppen omfattende præcipiteret calciumkarbonat; naturligt formalet calciumkarbonat; dolomit; talkum; bentonit; ler; magnesit; satinhvidt; sepiolit, huntit, diatomit; silikater; og blandinger deraf.
6. Fremgangsmåden ifølge krav 5, kendetegnet ved at fyldstoffet og/eller pigmentet vælges fra gruppen af 2 præcipiteret calciumkarbonat, fortrinsvis med vateritisk, calcitisk eller aragonitisk krystalstruktur; naturligt formalet calciumkarbonat, som fortrinsvis vælges fra marmor, kalksten og/eller kridt; og blandinger deraf.
7. Fremgangsmåden ifølge et hvilket som helst af kravene 5 eller 6, kendetegnet ved at det præcipiterede calciumkarbonat er ultrafint diskret prismatisk, scalenohedrisk eller rhombohedrisk præcipiteret calciumkarbonat.
8. Fremgangsmåden ifølge et hvilket som helst af de foregående krav, kendetegnet ved at fyldstof- og/eller pigmentpartiklerne har en vægtgennemsnitlig partikelstørrelse på fra 0,5 til 15 pm, fortrinsvis 0,7 til 10 pm, mere fortrinsvis 1 til 5 pm og mest fortrinsvis 1,1 til 2 pm, f.eks. 1,5 pm eller 3,2 pm.
9. Fremgangsmåden ifølge et hvilket som helst af de foregående krav, kendetegnet ved at fyldstoffet og/eller pigmentet associeres med dispergeringsmidler valgt fra gruppen omfattende homopolymerer eller copolymerer af polycarboxylsyresalte baseret på, f.eks., akrylsyre, methakrylsyre, maleinsyre, fumarsyre, itakonsyre, akrylamid eller blandinger deraf; alkali polyphosphater, fosfonat-, citron- og vinsyre og de opløselige salte deraf; eller blandinger deraf.
10. Fremgangsmåden ifølge et hvilket som helst af de foregående krav, kendetegnet ved at kombinationen af fibre og af mindst et fyldstof og/eller pigment udføres ved at tilføje fyldstoffet og/eller pigmentet til fibrene i et eller flere trin.
11. Fremgangsmåden ifølge et hvilket som helst af de foregående krav, kendetegnet ved at fyldstoffet og/eller pigmentet tilføjes fuldkommen eller i dele før eller under fibrilleringstrinnet (d), fortrinsvis før fibrilleringstrinnet (d).
12. Fremgangsmåden ifølge et hvilket som helst af de foregående krav, kendetegnet ved at før fibrillering, pH'en af kombinationen af cellulosefibre og mindst et fyldstof og/eller pigment justeres til en pH på 10 til 12, f.eks. 11. 3
13. Fremgangsmåden ifølge et hvilket som helst af de foregående krav, kendetegnet ved at efter fibrillering pH'en i suspensionen justeres igen til omkring 7,5 til 9,5, f.eks. 8,5.
14. Fremgangsmåden ifølge et hvilket som helst af de foregående krav, kendetegnet ved at kombinationen lagres i 2 til 12 timer, fortrinsvis 3 til 10 timer, mere fortrinsvis 4 til 8 timer, f.eks. 6 timer, forud for fibrillering.
15. Fremgangsmåden ifølge et hvilket som helst af de foregående krav, kendetegnet ved at cellulosesolventer såsom kobber(II)ethylendiamin, jernnatriumtartrat eller litium-chlorin/dimethylacetamin tilføjes til kombinationen forud for fibrillering.
16. Fremgangsmåden ifølge et hvilket som helst af de foregående krav, kendetegnet ved at vægtforholdet mellem fibre og fyldstof og/eller pigment på en tørvægtsbasis er fra 1:10 til 10:1, fortrinsvis 1:6 til 6:1, mere fortrinsvis 1:4 til 4:1, i særdeleshed 1:3 til 3:1, og mest fortrinsvis 1:2 til 2:1, f.eks. 1:1.
17. Fremgangsmåden ifølge et hvilket som helst af de foregående krav, kendetegnet ved at 70 vægtprocent af afbleget langfiber kraftfibermasse fibrilleres i tilstedeværelsen 30 vægtprocent ultrafin diskret prismatisk (eller rhombohedrisk) PCC, relaterende til den samlede tørvægt af henholdsvis fibermasse og PCC.
18. Fremgangsmåden ifølge et hvilket som helst af de foregående krav, kendetegnet ved at kombinationen fibrilleres indtil Schopper Riegler-graden er øget med > 4 °SR, fortrinsvis > 6 °SR, mere fortrinsvis > 8 °SR, mest fortrinsvis > 10 °SR, i særdeleshed > 15 °SR.
19. Fremgangsmåden ifølge et hvilket som helst af de foregående krav, kendetegnet ved at kombinationen af fibre og fyldstof og/eller pigment fibrilleres indtil en endelig Schopper Riegler-grad på > 30, fortrinsvis > 45 °SR, mere fortrinsvis > 50 °SR, i særdeleshed > 60 °SR, f.eks. > 70 °SR, i særdeleshed > 80 °SR er nået. 4 >0. Fremgangsmåden ifølge et hvilket som helst af de foregående krav, cendetegnet ved at forøgelsen af °SR/gennemgangen i fibrilleringsindretningen ir højere i tilstedeværelsen af pigment og/eller fyldstof end °SR/ gennemgangen, ;nd hvis cellulosefibrene fibrilleres i manglen på pigment og/eller fyldstof. >1. Fremgangsmåden ifølge et hvilket som helst af de foregående krav, cendetegnet ved at Brookfield-viskositeten af den resulterende suspension af lano-fibrillær cellulose er lavere end Brookfield-viskositeten afen tilsvarende ;uspension af nano-fibrillær cellulose som er blevet fibrilleret i manglen på yldstoffer og/eller pigmenter.
12. Fremgangsmåden ifølge et hvilket som helst af de foregående krav, (endetegnet ved at fibrilleringen udføres med en indretning valgt fra gruppen )mfattende, ultrafinfriktionsmøller, refiner, og homogenisatorer. >3. Nano-fibrillær cellulosesuspension opnået med fremgangsmåden ifølge et lvilket som helst af kravene 1 til 22. >4. Anvendelsen af den nano-fibrillære cellulosesuspension ifølge krav 23 i )apirfremstilling og/eller papir-finishing. É5. Anvendelsen af den nano-fibrillære cellulosesuspension ifølge krav 23 i jnvendelser såsom i materialekompositter, plast, maling, gummi, beton, keramik, clæbestoffer, fødevarer, eller i sårbehandlingsanvendelser.
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| DK14175471.3T DK2808440T3 (da) | 2009-03-30 | 2009-03-30 | Fremgangsmåde til fremstilling af nanofibrillære cellulosesuspensioner |
| DK10713884.4T DK2414584T3 (da) | 2009-03-30 | 2010-03-30 | Fremgangsmåde til produktion af nanofibrillære cellulosesuspensioner |
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| DK10713884.4T DK2414584T3 (da) | 2009-03-30 | 2010-03-30 | Fremgangsmåde til produktion af nanofibrillære cellulosesuspensioner |
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