FI117390B - Förfarande för framställning av papper och kartong med förhöjd hållfasthet från mekanisk massa - Google Patents
Förfarande för framställning av papper och kartong med förhöjd hållfasthet från mekanisk massa Download PDFInfo
- Publication number
- FI117390B FI117390B FI945408A FI945408A FI117390B FI 117390 B FI117390 B FI 117390B FI 945408 A FI945408 A FI 945408A FI 945408 A FI945408 A FI 945408A FI 117390 B FI117390 B FI 117390B
- Authority
- FI
- Finland
- Prior art keywords
- pulp
- enzyme
- peroxidase
- paper
- process according
- Prior art date
Links
Classifications
-
- 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
- D21H11/20—Chemically or biochemically modified 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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- Paper (AREA)
Claims (7)
1. Förfarande för ökning av hällfastheten för en mekanisk massa för framställning av papper eller kartong, kännetecknat 5 av att det innefattar behandling av massan med ett fenol-oxiderande enzymsystem som väljs ur den grupp som bestär av: a) ett peroxidas som härrör frän Coprinus eller Bacillus tillsammans med väteperoxid, och b) ett laccas eller ett katekoloxidas tillsammans med syre, 10 under förutsättning att ingen slipning eller raffinering sker under denna behandling och att inget bindemedel är närvarande under denna behandling.
2. Förfarande enligt patentkrav 1, kännetecknat av att det 15 fenoloxiderande systemet bestär av ett peroxidas tillsammans med väteperoxid.
3. Förfarande enligt patentkrav 2, kännetecknat av att mängden peroxidas ligger inom omrädet 10-10 000 POD per g 20 torrt material och mängden väteperoxid är 0,01-10 rrtM. * 1
4. Förfarande enligt patentkrav 1, kännetecknat av att det fenoloxiderande systemet bestär av laccas eller katekoloxidas ·:· tillsammans med syre. ♦1·1 :25 • M I
5. Förfarande enligt patentkrav 4, kännetecknat av att Mff enzymet är laccas som härrör frän Trametes. I « i
, , 6. Förfarande enligt patentkrav 5, kännetecknat av att * · « 30 mängden enzym ligger inom omrädet 10-5 000 POD-enheter per g • · *···1 torrt material. e ·»· • · » • ♦ 1 /2;
7. Förfarande enligt nägot av föregäende patentkrav, känne- ··· .· . tecknat av att enzymbehandlingen sker vid en massakonsistens • # 4 I.!: 35 av 0,5-10 %, ett pH av 4-10 och en temperatur av 20-90°C. 2 • 1 • 0
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK92640A DK64092D0 (sv) | 1992-05-18 | 1992-05-18 | |
| DK64092 | 1992-05-18 | ||
| DK9300168 | 1993-05-18 | ||
| PCT/DK1993/000168 WO1993023606A1 (en) | 1992-05-18 | 1993-05-18 | Process for producing paper or paperboard with increased strength from mechanical pulp |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI945408A0 FI945408A0 (sv) | 1994-11-17 |
| FI945408A FI945408A (sv) | 1994-11-17 |
| FI117390B true FI117390B (sv) | 2006-09-29 |
Family
ID=8095879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI945408A FI117390B (sv) | 1992-05-18 | 1994-11-17 | Förfarande för framställning av papper och kartong med förhöjd hållfasthet från mekanisk massa |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US6207009B1 (sv) |
| EP (1) | EP0641403B1 (sv) |
| JP (1) | JP3240003B2 (sv) |
| AT (1) | ATE142722T1 (sv) |
| AU (1) | AU665436B2 (sv) |
| BR (1) | BR9306376A (sv) |
| CA (1) | CA2136068C (sv) |
| DE (1) | DE69304696T2 (sv) |
| DK (1) | DK64092D0 (sv) |
| FI (1) | FI117390B (sv) |
| WO (1) | WO1993023606A1 (sv) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE212088T1 (de) * | 1993-10-04 | 2002-02-15 | Novozymes As | Verfahren zur herstellung von kaschiertem karton und wellpappenmittellage |
| JP3810794B2 (ja) * | 1994-07-26 | 2006-08-16 | ノボザイムス アクティーゼルスカブ | リグノセルロース基剤製品の製造方法および該方法によって得ることのできる製品 |
| AU7560996A (en) * | 1995-11-08 | 1997-05-29 | Novo Nordisk A/S | Process for preparing a lignocellulose-based product, and product obtainable by the process |
| JP3320307B2 (ja) * | 1996-06-06 | 2002-09-03 | 株式会社エス・ディー・エス バイオテック | フェノール性化合物等の高分子化方法及びその利用 |
| NL1007158C2 (nl) * | 1997-09-29 | 1999-03-30 | Inst Voor Agrotech Onderzoek | Enzymatische modificatie. |
| CA2372499C (en) * | 1999-05-06 | 2009-10-13 | Novozymes A/S | A process for production of paper materials with improved wet strength |
| US6610172B1 (en) | 1999-05-06 | 2003-08-26 | Novozymes A/S | Process for treating pulp with laccase and a mediator to increase paper wet strength |
| US20020160179A1 (en) * | 2000-05-20 | 2002-10-31 | Westvaco Corporation | Paperboard |
| US9663899B2 (en) | 2015-08-26 | 2017-05-30 | Solenis Technologies, L.P. | Method for making lignocellulosic paper and paper product |
| SE1950165A1 (sv) * | 2019-02-12 | 2020-08-13 | Stora Enso Oyj | Method of producing a molded fiber product and molded fiber product |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4687745A (en) * | 1985-07-15 | 1987-08-18 | Repligen Corporation | Use of rLDM™ 1-6 and other ligninolytic enzymes in the treatment of mechanical pulps |
| ZA894239B (en) * | 1988-06-08 | 1990-03-28 | Int Paper Co | Enzymatic delignification of lignocellulosic material |
| US5273896A (en) * | 1989-10-13 | 1993-12-28 | Novo Nordisk A/S | Hemopeptide having peroxidase activity for bleaching dyes |
| FI895501A (fi) * | 1989-11-17 | 1991-05-18 | Enso Gutzeit Oy | Foerfarande foer tillverkning av massa. |
| FI85389C (sv) * | 1989-12-12 | 1992-04-10 | Enso Gutzeit Oy | Förfarande för tillverkning av massa |
| DE4137761A1 (de) * | 1991-05-17 | 1992-11-19 | Call Hans Peter | Verfahren zur delignifizierung von lignocellulosehaltigem material, bleiche und behandlung von abwaessern mittels laccasen mit erweiteter wirksamkeit |
| CA2093581C (en) | 1992-04-09 | 2004-06-22 | Alireza Kharazipour | Process for conglutinating wood particles into formed bodies |
-
1992
- 1992-05-18 DK DK92640A patent/DK64092D0/da not_active Application Discontinuation
-
1993
- 1993-05-18 AU AU43089/93A patent/AU665436B2/en not_active Ceased
- 1993-05-18 JP JP51979593A patent/JP3240003B2/ja not_active Expired - Lifetime
- 1993-05-18 CA CA002136068A patent/CA2136068C/en not_active Expired - Lifetime
- 1993-05-18 DE DE69304696T patent/DE69304696T2/de not_active Expired - Lifetime
- 1993-05-18 EP EP93912655A patent/EP0641403B1/en not_active Expired - Lifetime
- 1993-05-18 WO PCT/DK1993/000168 patent/WO1993023606A1/en active IP Right Grant
- 1993-05-18 AT AT93912655T patent/ATE142722T1/de not_active IP Right Cessation
- 1993-05-18 BR BR9306376A patent/BR9306376A/pt not_active IP Right Cessation
-
1994
- 1994-11-17 FI FI945408A patent/FI117390B/sv not_active IP Right Cessation
-
1997
- 1997-06-13 US US08/874,802 patent/US6207009B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA2136068A1 (en) | 1993-11-25 |
| FI945408A0 (sv) | 1994-11-17 |
| FI945408A (sv) | 1994-11-17 |
| BR9306376A (pt) | 1998-09-01 |
| AU665436B2 (en) | 1996-01-04 |
| DE69304696T2 (de) | 1997-02-13 |
| CA2136068C (en) | 2003-03-11 |
| DE69304696D1 (de) | 1996-10-17 |
| JPH07506632A (ja) | 1995-07-20 |
| EP0641403A1 (en) | 1995-03-08 |
| US6207009B1 (en) | 2001-03-27 |
| EP0641403B1 (en) | 1996-09-11 |
| DK64092D0 (sv) | 1992-05-18 |
| JP3240003B2 (ja) | 2001-12-17 |
| WO1993023606A1 (en) | 1993-11-25 |
| AU4308993A (en) | 1993-12-13 |
| ATE142722T1 (de) | 1996-09-15 |
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