CA1193808A - Pate chimique a resistance, essorabilite et comformabilite accrues, et sa fabrication - Google Patents
Pate chimique a resistance, essorabilite et comformabilite accrues, et sa fabricationInfo
- Publication number
- CA1193808A CA1193808A CA000415980A CA415980A CA1193808A CA 1193808 A CA1193808 A CA 1193808A CA 000415980 A CA000415980 A CA 000415980A CA 415980 A CA415980 A CA 415980A CA 1193808 A CA1193808 A CA 1193808A
- Authority
- CA
- Canada
- Prior art keywords
- pulp
- salts
- beatability
- drainability
- weight
- 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.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000008569 process Effects 0.000 title claims abstract description 14
- 229920001131 Pulp (paper) Polymers 0.000 title claims abstract description 9
- 150000003839 salts Chemical class 0.000 claims abstract description 37
- 239000007864 aqueous solution Substances 0.000 claims abstract description 4
- 238000010411 cooking Methods 0.000 claims abstract description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 20
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 11
- 235000011152 sodium sulphate Nutrition 0.000 claims description 11
- 239000004133 Sodium thiosulphate Substances 0.000 claims description 5
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 claims description 5
- 235000019345 sodium thiosulphate Nutrition 0.000 claims description 5
- 230000001627 detrimental effect Effects 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 claims description 3
- 150000003384 small molecules Chemical class 0.000 claims 2
- 239000000126 substance Substances 0.000 abstract description 8
- 238000010009 beating Methods 0.000 description 28
- 239000000835 fiber Substances 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000001035 drying Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 6
- 239000000499 gel Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 229910021653 sulphate ion Inorganic materials 0.000 description 6
- 230000008961 swelling Effects 0.000 description 5
- 229920002678 cellulose Polymers 0.000 description 4
- 239000001913 cellulose Substances 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 3
- 229940043237 diethanolamine Drugs 0.000 description 3
- 230000002427 irreversible effect Effects 0.000 description 3
- 229960004418 trolamine Drugs 0.000 description 3
- 239000007832 Na2SO4 Substances 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 235000012501 ammonium carbonate Nutrition 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- -1 chlorine ions Chemical class 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011020 pilot scale process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000011122 softwood Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 206010061592 cardiac fibrillation Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002600 fibrillogenic effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000013031 physical testing Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
Classifications
-
- 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
- D21C9/004—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives inorganic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Paints Or Removers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8106885A SE8106885L (sv) | 1981-11-19 | 1981-11-19 | Kemisk massa med forbettrad styrka, avvattningsformaga och malbarhet samt sett att framstella denna |
| SE8106885-0 | 1981-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1193808A true CA1193808A (fr) | 1985-09-24 |
Family
ID=20345071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000415980A Expired CA1193808A (fr) | 1981-11-19 | 1982-11-19 | Pate chimique a resistance, essorabilite et comformabilite accrues, et sa fabrication |
Country Status (5)
| Country | Link |
|---|---|
| BR (1) | BR8206713A (fr) |
| CA (1) | CA1193808A (fr) |
| FI (1) | FI70618C (fr) |
| NO (1) | NO161332C (fr) |
| SE (1) | SE8106885L (fr) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5114534A (en) * | 1990-05-16 | 1992-05-19 | Georgia-Pacific Corporation | Drying cellulosic pulp |
| US5314582A (en) * | 1992-07-22 | 1994-05-24 | Chicopee | Cellulosic fiber of improved wettability |
| US6562743B1 (en) | 1998-12-24 | 2003-05-13 | Bki Holding Corporation | Absorbent structures of chemically treated cellulose fibers |
| US8946100B2 (en) | 2003-12-19 | 2015-02-03 | Buckeye Technologies Inc. | Fibers of variable wettability and materials containing the fibers |
| US11479915B2 (en) * | 2016-07-11 | 2022-10-25 | Stora Enso Oyj | Method for manufacturing intermediate product for conversion into microfibrillated cellulose |
-
1981
- 1981-11-19 SE SE8106885A patent/SE8106885L/xx not_active Application Discontinuation
-
1982
- 1982-10-01 FI FI823350A patent/FI70618C/fi not_active IP Right Cessation
- 1982-10-04 NO NO823323A patent/NO161332C/no unknown
- 1982-11-19 BR BR8206713A patent/BR8206713A/pt not_active IP Right Cessation
- 1982-11-19 CA CA000415980A patent/CA1193808A/fr not_active Expired
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5114534A (en) * | 1990-05-16 | 1992-05-19 | Georgia-Pacific Corporation | Drying cellulosic pulp |
| US5314582A (en) * | 1992-07-22 | 1994-05-24 | Chicopee | Cellulosic fiber of improved wettability |
| US5413676A (en) * | 1992-07-22 | 1995-05-09 | Chicopee | Cellulosic fiber of improved wettability |
| US6562743B1 (en) | 1998-12-24 | 2003-05-13 | Bki Holding Corporation | Absorbent structures of chemically treated cellulose fibers |
| US6770576B2 (en) | 1998-12-24 | 2004-08-03 | Bki Holding Corporation | Absorbent structures of chemically treated cellulose fibers |
| US8946100B2 (en) | 2003-12-19 | 2015-02-03 | Buckeye Technologies Inc. | Fibers of variable wettability and materials containing the fibers |
| US10300457B2 (en) | 2003-12-19 | 2019-05-28 | Georgia-Pacific Nonwovens LLC | Fibers of variable wettability and materials containing the fibers |
| US11479915B2 (en) * | 2016-07-11 | 2022-10-25 | Stora Enso Oyj | Method for manufacturing intermediate product for conversion into microfibrillated cellulose |
Also Published As
| Publication number | Publication date |
|---|---|
| NO161332C (no) | 1989-08-02 |
| FI823350A0 (fi) | 1982-10-01 |
| NO161332B (no) | 1989-04-24 |
| FI823350L (fi) | 1983-05-20 |
| SE8106885L (sv) | 1983-05-20 |
| BR8206713A (pt) | 1983-10-04 |
| FI70618C (fi) | 1986-09-24 |
| FI70618B (fi) | 1986-06-06 |
| NO823323L (no) | 1983-05-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEC | Expiry (correction) | ||
| MKEX | Expiry |