FI861481A - Blekmedel foer traematerial. - Google Patents
Blekmedel foer traematerial. Download PDFInfo
- Publication number
- FI861481A FI861481A FI861481A FI861481A FI861481A FI 861481 A FI861481 A FI 861481A FI 861481 A FI861481 A FI 861481A FI 861481 A FI861481 A FI 861481A FI 861481 A FI861481 A FI 861481A
- Authority
- FI
- Finland
- Prior art keywords
- traematerial
- blekmedel
- foer
- foer traematerial
- blekmedel foer
- Prior art date
Links
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
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1026—Other features in bleaching processes
- D21C9/1042—Use of chelating agents
-
- 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
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853531563 DE3531563A1 (de) | 1985-09-04 | 1985-09-04 | Holzstoffbleiche |
DE3531563 | 1985-09-04 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI861481A0 FI861481A0 (fi) | 1986-04-07 |
FI861481A true FI861481A (fi) | 1987-03-05 |
FI79566B FI79566B (fi) | 1989-09-29 |
FI79566C FI79566C (fi) | 1990-01-10 |
Family
ID=6280104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI861481A FI79566C (fi) | 1985-09-04 | 1986-04-07 | Blekmedel foer traemassa. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4752354A (fi) |
CA (1) | CA1332665C (fi) |
DE (1) | DE3531563A1 (fi) |
FI (1) | FI79566C (fi) |
SE (1) | SE467162B (fi) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8826431D0 (en) * | 1988-11-11 | 1988-12-14 | Albright & Wilson | Phosphate composition |
DE4301802A1 (de) * | 1993-01-23 | 1994-07-28 | Basf Ag | Verfahren zur Erhöhung der Weiße von chlorfrei gebleichtem Zellstoff |
DE4319935A1 (de) * | 1993-06-16 | 1994-12-22 | Basf Ag | Verwendung von Glycin-N,N-diessigsäure-Derivaten als Komplexbildner für Erdalkali- und Schwermetallionen |
CA2175062C (en) * | 1993-10-26 | 2004-07-20 | Eltjo Boelema | Aminoalkane diphosphonic acids in pulp bleaching |
SE505980C2 (sv) * | 1993-12-23 | 1997-10-27 | Bim Kemi Ab | Sätt att förhindra peroxidnedbrytande enzymer vid blekning med väteperoxid |
JP3720051B2 (ja) * | 1994-03-24 | 2005-11-24 | ザ、プロクター、エンド、ギャンブル、カンパニー | 熱処理された高リグニン含有量セルロース繊維 |
SE9604413D0 (sv) * | 1996-11-29 | 1996-11-29 | Eka Chemicals Ab | Chemical composition |
SE9604414D0 (sv) * | 1996-11-29 | 1996-11-29 | Eka Chemicals Ab | Chemical composition |
US20040200588A1 (en) * | 2003-04-10 | 2004-10-14 | Walker Jayne M.A. | Method of controlling microorganisms in hydrogen peroxide pulp bleaching processes |
DE102004050278A1 (de) * | 2004-10-14 | 2006-04-27 | Basf Ag | Helle bis weiße Holzwerkstoffplatten |
JP2009500189A (ja) * | 2005-06-29 | 2009-01-08 | ビーエーエスエフ ソシエタス・ヨーロピア | 明色の木質材料板 |
PT1775086E (pt) * | 2005-10-13 | 2008-08-13 | Glunz Ag | Processo para o fabrico de painéis de cores claras ou tingidos de cores claras, em fibra de madeira |
DK2225175T3 (da) * | 2007-12-13 | 2013-03-18 | Akzo Nobel Nv | Stabiliserede hydrogenperoxidopløsninger |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE548769A (fi) * | 1955-07-08 | |||
SE416481B (sv) * | 1977-05-02 | 1981-01-05 | Mo Och Domsjoe Ab | Fofarande och anordning for behandling av vedflis for avlegsnande av tungmetaller och harts |
DE3338260C1 (de) * | 1983-10-21 | 1985-07-25 | Benckiser-Knapsack Gmbh, 6802 Ladenburg | Verfahren und Mittel zum Bleichen von Holzschliff |
-
1985
- 1985-09-04 DE DE19853531563 patent/DE3531563A1/de active Granted
-
1986
- 1986-04-07 FI FI861481A patent/FI79566C/fi not_active IP Right Cessation
- 1986-07-21 US US06/887,428 patent/US4752354A/en not_active Expired - Fee Related
- 1986-08-26 SE SE8603593A patent/SE467162B/sv not_active IP Right Cessation
- 1986-08-28 CA CA000517065A patent/CA1332665C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US4752354A (en) | 1988-06-21 |
FI861481A0 (fi) | 1986-04-07 |
SE467162B (sv) | 1992-06-01 |
FI79566B (fi) | 1989-09-29 |
SE8603593D0 (sv) | 1986-08-26 |
DE3531563C2 (fi) | 1989-05-03 |
CA1332665C (en) | 1994-10-25 |
FI79566C (fi) | 1990-01-10 |
SE8603593L (sv) | 1987-03-05 |
DE3531563A1 (de) | 1987-03-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed | ||
MM | Patent lapsed |
Owner name: BENCKISER- KNAPSACK GMBH |