DK2330250T3 - Fugtkrepningsfremgangsmåde - Google Patents
Fugtkrepningsfremgangsmåde Download PDFInfo
- Publication number
- DK2330250T3 DK2330250T3 DK10193311.7T DK10193311T DK2330250T3 DK 2330250 T3 DK2330250 T3 DK 2330250T3 DK 10193311 T DK10193311 T DK 10193311T DK 2330250 T3 DK2330250 T3 DK 2330250T3
- Authority
- DK
- Denmark
- Prior art keywords
- web
- creping
- dry
- yankee dryer
- fibers
- Prior art date
Links
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Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
- D21F11/14—Making cellulose wadding, filter or blotting paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
- D21F11/006—Making patterned paper
-
- 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
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/146—Crêping adhesives
-
- 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
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/36—Polyalkenyalcohols; Polyalkenylethers; Polyalkenylesters
-
- 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
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
- D21H17/55—Polyamides; Polyaminoamides; Polyester-amides
Landscapes
- Paper (AREA)
Claims (13)
1. Fremgangsmåde til at fugtkreppe absorberende papirbasislag, fremgangsmåden omfattende trinnene: (a) at danne en udgangsbane (118) omfattende mindst en større del af genbrugsfiber, hvor mindst en større del af genbrugsfiberen, som bestemt på en længde-vægtet basis, udviser flade båndagtige cellulosefibre; (b) at påføre en krepningsklæbestofcoating omfattende en iblanding af polyvinylalkohol og et polyamid tværbundet med epichlorhydrin til en Yankee-tørrer (124); (c) at passere udgangsbanen (118) igennem en valsesprække (126) defineret mellem en sugningstrykvalse (128) og Yankee-tørreren (124); og (d) at klæbe udgangsbanen (118) til Yankee-tørreren (124) med et tryk som styres ved at styre belastningen mellem sugningstrykvalsen (128) og Yankee-tørreren (124); (e) at tørre udgangsbanen (118) i Yankee-tørreren (124) til et fugtindhold som svarer til en lagtemperatur af banen (118) på mellem 110°C til 121°C; (f) at styre, under tørringstrinnet, lagtemperaturen, umiddelbart forud for en krepningsklinge (60), til mellem 110°C til 121°C, hvor lagtemperaturen er målt lige forud for et krepningstrin; (g) at kreppe udgangsbanen (118), ved en lagtemperatur på mellem 110°C til 121°C, fra Yankee-tørreren (124) med krepningsklingen (60) støttende mod Yankee-tørreren (124) for at danne en fugtig bane (118); og (h) følgende krepningstrinnet, at tørre den fugtige bane (118) for at danne en tør bane.
2. Fugtkrepningsfremgangsmåden ifølge krav 1, endvidere omfattende at styre damptryk inden i Yankee-tørreren, tørrehjelmsparametrene, Yankee-tørrerhastigheden, krepningsklæbestofssammensætningen, og trykket med hvilket sugningstrykvalsen støtter mod Yankee-tørreren således at (i) basisvægten af den tørre bane er mindre end 48,8 g/m2 (30 lbs/3000 ft2), (ii) tykkelsen af den tørre bane overskrider 1,22 mm (48 mils) pr. 8 lag, (iii) vandabsorptionshastigheden (WAR) er mindre end 50 sekunder, (iv) den geometriske gennemsnitsbrydningslængde af den tørre bane er fra 900 m til 1300 m, og (v) den specifikke SAT-absorptionsevne af den tørre bane er mindst 2,45 g/g, i et tilfælde i hvilket banen omfatter primært ublegede fibre, og mindst 2,25 g/g, i et tilfælde i hvilket banen omfatter primært blegede fibre.
3. Fugtkrepningsfremgangsmåden ifølge krav 2, hvor maskinretning-(MD)-bøjningslængden af den tørre bane er mindst 3,0 cm og den geometriske gennemsnitsbrydningslængde af den tørre bane er fra 1050 m til 1250 m.
4. Fugtkrepningsfremgangsmåden ifølge krav 1, hvor (i) basisvægten af den tørre bane er mellem 39 og 47 g/m2 (24 og 29 lbs/3000 ft2), (ii) tykkelsen af den tørre bane overskrider 1,27 mm (50 mils) pr. 8 lag, (iii) den geometriske gennemsnitsbrydningslængde af den tørre bane er ikke mere end 1250 m, (iv) WAR'ren er mindre end 45 sekunder, og (v) den specifikke SAT-absorptionsevne af den tørre bane er mindst 2,5 g/g, i et tilfælde i hvilket banen omfatter primært ublegede fibre, og er mindst 2,3 g/g, i et tilfælde i hvilket banen omfatter primært blegede fibre.
5. Fugtkrepningsfremgangsmåden ifølge krav 4, hvor tværmaskinretning-[CD]-vådstrækbarheden af den tørre bane målt af Finch Cup-fremgangsmåden er mindst 85,3 g/cm (650 g/3").
6. Fugtkrepningsfremgangsmåden ifølge krav 1, hvor banen omfatter mindst 75% afflade båndagtige fibre, som bestemt på en længde-vægtet basis.
7. Fugtkrepningsfremgangsmåden ifølge krav 1, hvor banen omfatter mindst 90% afflade båndagtige fibre, som bestemt på en længde-vægtet basis.
8. Fugtkrepningsfremgangsmåden ifølge krav 1, hvor krepningen af udgangsbanen (118) fra Yankee-tørreren (124) udføres med en bølgeformet krepningsklinge (60) som støtter mod Yankee-tørreren (124) for at danne en fugtig biaksialt bølgeformet bane (118), hvor kontaktarealet mellem den bølgeformede krepningsklinge (60) og Yankee-tørreren (124) definerer en bølgeformet båndform på tværs af bredden af Yankee-tørreren (124), og derefter, den fugtige biaksialt bølgeformede bane (118) tørres for at danne en tør biaksialt bølgeformet bane.
9. Fugtkrepningsfremgangsmåden ifølge krav 8, endvidere omfattende at styre damptryk inden i Yankee-tørreren, tørrehjelmsparametrene, Yankee-tørrerhastigheden, krepningsklæbestofssammensætningen, og trykket med hvilket sugningstrykvalsen støtter mod Yankee-tørreren således at (i) basisvægten af den tørre biaksialt bølgeformede bane er mellem 39 og 48,8 g/m2 (24 og 30 lbs/3000 ft2), (ii) tykkelsen af den tørre biaksialt bølgeformede bane overskrider 1,22 mm (48 mils) pr. 8 lag, og, (iii) i et tilfælde i hvilket banen omfatter primært ublegede fibre, den specifikke SAT-absorptionsevne af den tørre biaksialt bølgeformede bane er mindst 2,2 g/g og WAR'ren er mindre end 50 sekunder, hvor i et tilfælde i hvilket banen omfatter primært blegede fibre, SAT-absorptionsevnen af den tørre biaksialt bølgeformede bane er mindst 2,0 g/g og WAR'ren er mindre end 55 sekunder.
10. Fugtkrepningsfremgangsmåden ifølge krav 9, hvor den geometriske gennemsnitsbrydningslængde af den tørre biaksialt bølgeformede bane ikke er mere end 1300 m.
11. Fugtkrepningsfremgangsmåden ifølge krav 10, hvor maskinretning-(MD)-bøjningslængden af den tørre biaksialt bølgeformede bane er mindst 3,0 cm og den geometriske gennemsnitsbrydningslængde af den tørre biaksialt bølgeformede bane er fra 900 m til 1300 m.
12. Fugtkrepningsfremgangsmåden ifølge krav 11, hvor (i) basisvægten af den tørre biaksialt bølgeformede bane er mellem 39 og 48,8 g/m2 (24 og 30 lbs/3000 ft2), (") tykkelsen af den tørre biaksialt bølgeformede bane overskrider 1,27 mm (50 mils) pr. 8 lag, (iii) den geometriske gennemsnitsbrydningslængde af den tørre biaksialt bølgeformede bane er ikke mere end 1250 m, og, (iv) i et tilfælde i hvilket banen omfatter primært ublegede fibre, den specifikke SAT-absorptionsevne af den tørre biaksialt bølgeformede bane er mindst 2,4 g/g og WAR'ren er mindre end 45 sekunder, hvor i et tilfælde i hvilket banen omfatter primært blegede fibre, den specifikke SAT er mindst 2,2 g/g og WAR'ren er mindre end 50 sekunder.
13. Fugtkrepningsfremgangsmåden ifølge krav 12, hvor CD-vådstrækbarheden af den tørre biaksialt bølgeformede bane målt af Finch Cup-fremgangsmåden er mindst 85,3 g/cm (650 g/3").
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US28364809P | 2009-12-07 | 2009-12-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK2330250T3 true DK2330250T3 (da) | 2015-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK15000280.6T DK2896744T3 (da) | 2009-12-07 | 2010-12-01 | Fugtkrepningsfremgangsmåde |
| DK10193311.7T DK2330250T3 (da) | 2009-12-07 | 2010-12-01 | Fugtkrepningsfremgangsmåde |
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| Application Number | Title | Priority Date | Filing Date |
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| DK15000280.6T DK2896744T3 (da) | 2009-12-07 | 2010-12-01 | Fugtkrepningsfremgangsmåde |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8398819B2 (da) |
| EP (2) | EP2896744B1 (da) |
| CA (1) | CA2722650C (da) |
| DK (2) | DK2896744T3 (da) |
| ES (2) | ES2661489T3 (da) |
| NO (1) | NO2896744T3 (da) |
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| US8673115B2 (en) | 2002-10-07 | 2014-03-18 | Georgia-Pacific Consumer Products Lp | Method of making a fabric-creped absorbent cellulosic sheet |
| US7494563B2 (en) | 2002-10-07 | 2009-02-24 | Georgia-Pacific Consumer Products Lp | Fabric creped absorbent sheet with variable local basis weight |
| FI126174B (en) * | 2012-12-04 | 2016-07-29 | Valmet Automation Oy | Tissue measurement |
| DE102017124685A1 (de) * | 2017-10-23 | 2019-04-25 | Hauni Maschinenbau Gmbh | Verfahren und Vorrichtung zum Herstellen einer Flachbahn aus rekonstituiertem Tabakmaterial |
| CN116825698A (zh) * | 2023-08-07 | 2023-09-29 | 江苏双晶新能源科技有限公司 | 一种用于脱胶机自动装载料盒的操作方法 |
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-
2010
- 2010-11-26 CA CA2722650A patent/CA2722650C/en active Active
- 2010-12-01 DK DK15000280.6T patent/DK2896744T3/da active
- 2010-12-01 ES ES15000280.6T patent/ES2661489T3/es active Active
- 2010-12-01 ES ES10193311.7T patent/ES2554352T3/es active Active
- 2010-12-01 NO NO15000280A patent/NO2896744T3/no unknown
- 2010-12-01 EP EP15000280.6A patent/EP2896744B1/en active Active
- 2010-12-01 EP EP10193311.7A patent/EP2330250B1/en active Active
- 2010-12-01 DK DK10193311.7T patent/DK2330250T3/da active
- 2010-12-07 US US12/961,546 patent/US8398819B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CA2722650A1 (en) | 2011-06-07 |
| EP2330250A3 (en) | 2011-06-29 |
| ES2661489T3 (es) | 2018-04-02 |
| ES2554352T3 (es) | 2015-12-18 |
| US20110146924A1 (en) | 2011-06-23 |
| CA2722650C (en) | 2018-05-01 |
| EP2896744A3 (en) | 2015-12-09 |
| EP2896744B1 (en) | 2018-01-31 |
| DK2896744T3 (da) | 2018-03-12 |
| EP2330250A2 (en) | 2011-06-08 |
| EP2896744A2 (en) | 2015-07-22 |
| NO2896744T3 (da) | 2018-06-30 |
| EP2330250B1 (en) | 2015-10-28 |
| US8398819B2 (en) | 2013-03-19 |
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