FI74309C - Mikrofibrillerad cellulosa och förfarande för framställning av densam ma. - Google Patents
Mikrofibrillerad cellulosa och förfarande för framställning av densam ma. Download PDFInfo
- Publication number
- FI74309C FI74309C FI811968A FI811968A FI74309C FI 74309 C FI74309 C FI 74309C FI 811968 A FI811968 A FI 811968A FI 811968 A FI811968 A FI 811968A FI 74309 C FI74309 C FI 74309C
- Authority
- FI
- Finland
- Prior art keywords
- pulp
- suspension
- cellulose
- microfibrillated
- pulps
- Prior art date
Links
- 229920002678 cellulose Polymers 0.000 title claims description 9
- 239000001913 cellulose Substances 0.000 title claims description 9
- 239000000725 suspension Substances 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 28
- 230000008569 process Effects 0.000 claims description 21
- 239000000835 fiber Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000000126 substance Substances 0.000 claims description 7
- 239000006194 liquid suspension Substances 0.000 claims description 6
- 239000007858 starting material Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 2
- 108700005457 microfibrillar Proteins 0.000 claims 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 25
- 239000000523 sample Substances 0.000 description 16
- 229910021653 sulphate ion Inorganic materials 0.000 description 15
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 13
- 238000000227 grinding Methods 0.000 description 11
- 239000000123 paper Substances 0.000 description 11
- 239000000047 product Substances 0.000 description 11
- 238000012360 testing method Methods 0.000 description 11
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 10
- 239000007788 liquid Substances 0.000 description 9
- 108010059892 Cellulase Proteins 0.000 description 7
- 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 7
- 238000005903 acid hydrolysis reaction Methods 0.000 description 7
- 239000008103 glucose Substances 0.000 description 7
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- 206010061592 cardiac fibrillation Diseases 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 6
- 235000011187 glycerol Nutrition 0.000 description 6
- 230000007062 hydrolysis Effects 0.000 description 6
- 238000006460 hydrolysis reaction Methods 0.000 description 6
- 230000009257 reactivity Effects 0.000 description 6
- 229940106157 cellulase Drugs 0.000 description 5
- 238000003776 cleavage reaction Methods 0.000 description 5
- 230000002600 fibrillogenic effect Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 230000007017 scission Effects 0.000 description 5
- 206010053567 Coagulopathies Diseases 0.000 description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 239000007900 aqueous suspension Substances 0.000 description 4
- 230000035602 clotting Effects 0.000 description 4
- 108090000790 Enzymes Proteins 0.000 description 3
- 102000004190 Enzymes Human genes 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229940088598 enzyme Drugs 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- AQEDFGUKQJUMBV-UHFFFAOYSA-N copper;ethane-1,2-diamine Chemical compound [Cu].NCCN AQEDFGUKQJUMBV-UHFFFAOYSA-N 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000001879 gelation Methods 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- WTFUTSCZYYCBAY-SXBRIOAWSA-N 6-[(E)-C-[[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]methyl]-N-hydroxycarbonimidoyl]-3H-1,3-benzoxazol-2-one Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)C/C(=N/O)/C1=CC2=C(NC(O2)=O)C=C1 WTFUTSCZYYCBAY-SXBRIOAWSA-N 0.000 description 1
- 244000283070 Abies balsamea Species 0.000 description 1
- 235000007173 Abies balsamea Nutrition 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000004606 Fillers/Extenders Substances 0.000 description 1
- 229920001410 Microfiber Polymers 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 244000269722 Thea sinensis Species 0.000 description 1
- 241000223261 Trichoderma viride Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000008351 acetate buffer Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000011260 aqueous acid Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 235000013351 cheese Nutrition 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000012993 chemical processing Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000013068 control sample Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 235000013373 food additive Nutrition 0.000 description 1
- 239000002778 food additive Substances 0.000 description 1
- 150000002303 glucose derivatives Chemical class 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005517 mercerization Methods 0.000 description 1
- 239000013081 microcrystal Substances 0.000 description 1
- 239000003658 microfiber Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000000879 optical micrograph Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000000643 oven drying Methods 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 239000000825 pharmaceutical preparation Substances 0.000 description 1
- 229940127557 pharmaceutical product Drugs 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 235000000346 sugar Nutrition 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Paper (AREA)
Claims (16)
1. Förfarande för framställning av mikrofibrille-rad cellulosa, kännetecknat därav, att en 5 vätskesuspension av fibercellulosa leds genom en hög-tryckshomogenisator med en öppning med liten diameter, väri suspensionen utsättes för en trycksänkning av ät-minstone 20670 kPa, samt skjuvning med stor hastighet och därefter inbromsande slagstukning med stor hastig- 10 het mot en fast yta, tillförseln av nämnda suspension genom öppningen upprepas sä mänga ganger, att cellulosa-suspensionen bildar en tillräckligt stabil suspension varvid cellulosan förvandlas vid förfarandet tili mikro-fibrillär cellulosa utan betydande kemisk förändring 15 av cellulosautgängsmaterialet.
2. Förfarande enligt patentkravet 1, kännetecknat därav, att vätskesuspensionen upphettas tili en temperatur av ätminstone 50°C före passagen genom öppningen. 20
3. Förfarande enligt patentkravet 2, känne tecknat därav, att vätskesuspensionen upphettas tili en temperatur av ätminstone 80°C.
4. Förfarande enligt patentkravet 1, kännetecknat därav, att suspensionen utsättes för en 25 trycksänkning av ätminstone 34450 kPa.
5. Förfarande enligt patentkravet 1, kännetecknat därav, att suspensionen innehäller högst 10 vikt-% cellulosa.
6. Förfarande enligt patentkravet 5, k ä n n e - 30 tecknat därav, att suspensionen innehäller 4- 7 vikt-% cellulosa.
7. Förfarande enligt patentkravet 1, k ä n n e -tecknat därav, att suspensionen är en vattensus-pension. 35
8. Förfarande enligt patentkravet 1, känne tecknat därav, att suspensionen är en organisk suspension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI811968A FI74309C (sv) | 1981-06-23 | 1981-06-23 | Mikrofibrillerad cellulosa och förfarande för framställning av densam ma. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI811968 | 1981-06-23 | ||
| FI811968A FI74309C (sv) | 1981-06-23 | 1981-06-23 | Mikrofibrillerad cellulosa och förfarande för framställning av densam ma. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI811968L FI811968L (fi) | 1982-12-24 |
| FI74309B FI74309B (fi) | 1987-09-30 |
| FI74309C true FI74309C (sv) | 1988-01-11 |
Family
ID=8514523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI811968A FI74309C (sv) | 1981-06-23 | 1981-06-23 | Mikrofibrillerad cellulosa och förfarande för framställning av densam ma. |
Country Status (1)
| Country | Link |
|---|---|
| FI (1) | FI74309C (sv) |
-
1981
- 1981-06-23 FI FI811968A patent/FI74309C/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FI811968L (fi) | 1982-12-24 |
| FI74309B (fi) | 1987-09-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: ITT INDUSTRIES, INC. |