RU2010101656A - METHOD FOR PRODUCING WOOD MASS, WOOD MASS - Google Patents

METHOD FOR PRODUCING WOOD MASS, WOOD MASS Download PDF

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Publication number
RU2010101656A
RU2010101656A RU2010101656/12A RU2010101656A RU2010101656A RU 2010101656 A RU2010101656 A RU 2010101656A RU 2010101656/12 A RU2010101656/12 A RU 2010101656/12A RU 2010101656 A RU2010101656 A RU 2010101656A RU 2010101656 A RU2010101656 A RU 2010101656A
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RU
Russia
Prior art keywords
fibers
solution
wood pulp
bleach
pulp
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RU2010101656/12A
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Russian (ru)
Inventor
Ксюан Труонг Нгуен (US)
Ксюан Труонг Нгуен
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Интернэшнл Пэйпа Кампани (Us)
Интернэшнл Пэйпа Кампани
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Application filed by Интернэшнл Пэйпа Кампани (Us), Интернэшнл Пэйпа Кампани filed Critical Интернэшнл Пэйпа Кампани (Us)
Publication of RU2010101656A publication Critical patent/RU2010101656A/en

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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
    • 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
    • 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
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
    • 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
    • D21H21/30—Luminescent or fluorescent substances, e.g. for optical bleaching

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

1. Способ изготовления древесной массы, включающий полное отбеливание множества волокон сульфатной целлюлозы отбеливающим агентом на основе хлора и по окончании промывки взаимодействие волокон сульфатной целлюлозы в растворе при рН от 3,5 до 8,0 и при температуре от 60 до 80°С в течение от 0,5 до 6 ч по крайней мере с одним оптическим отбеливателем перед, в течение или после отбеливания отбеливателем, не содержащим хлор. ! 2. Способ по п.1, где после промывки указанное взаимодействие осуществляется в растворе при рН от 3,5 до 5,5. ! 3. Способ по п.1, где консистенция волокон в растворе составляет более чем 4%. ! 4. Способ по п.1, где консистенция волокон в растворе составляет от 7 до 15%. ! 5. Способ по п.1, где оптический отбеливатель в количестве от 1 до 15 фунтов на тонну взаимодействует с волокнами. ! 6. Способ по п.1, где взаимодействие происходит в точке при осуществлении способа изготовления древесной массы или изготовления бумаги до стадии облагораживания. ! 7. Способ по п.1, где указанное взаимодействие происходит без удерживающей добавки. ! 8. Способ по п.1, дополнительно включающий взаимодействие дополнительного отбеливателя с волокнами при работе напылителя. ! 9. Способ по п.1, дополнительно включающий взаимодействие дополнительного отбеливателя с волокнами при работе клеильного пресса. ! 10. Способ по п.1, где консистенция волокон в растворе составляет от 10 до 12%. ! 11. Способ по п.1, где множество отбеленных волокон сульфатной целлюлозы в растворе имеет ISO яркость менее чем 90 до взаимодействия множества волокон сульфатной целлюлозы в растворе по крайней мере с одним отбеливателем и ISO яркость, более или равную 90 после взаимодействия м� 1. A method of making wood pulp, including the complete bleaching of a plurality of sulphate cellulose fibers with a chlorine-based bleaching agent and, upon completion of washing, the interaction of sulphate cellulose fibers in solution at a pH of 3.5 to 8.0 and at a temperature of 60 to 80 ° C for 0.5 to 6 hours with at least one optical brightener before, during or after bleaching with a non-chlorine bleach. ! 2. A method according to claim 1, wherein after washing, said interaction is carried out in a solution at a pH of 3.5 to 5.5. ! 3. The method of claim 1, wherein the consistency of the fibers in the solution is greater than 4%. ! 4. A method according to claim 1, wherein the consistency of the fibers in the solution is between 7% and 15%. ! 5. The method of claim 1, wherein 1 to 15 pounds per ton of optical brightener is reacted with the fibers. ! 6. The method according to claim 1, wherein the interaction occurs at a point in the implementation of the method of making wood pulp or papermaking prior to the refining step. ! 7. The method of claim 1, wherein said interaction occurs without a retention aid. ! 8. The method of claim 1, further comprising contacting the additional bleach with the fibers during operation of the spray. ! 9. The method of claim 1, further comprising contacting the additional bleach with the fibers during operation of the size press. ! 10. A method according to claim 1, wherein the consistency of the fibers in the solution is between 10% and 12%. ! 11. The method of claim 1, wherein the plurality of bleached kraft fibers in solution have an ISO brightness of less than 90 prior to contacting the plurality of kraft fibers in solution with at least one bleach and an ISO brightness of greater than or equal to 90 after exposure to m�

Claims (28)

1. Способ изготовления древесной массы, включающий полное отбеливание множества волокон сульфатной целлюлозы отбеливающим агентом на основе хлора и по окончании промывки взаимодействие волокон сульфатной целлюлозы в растворе при рН от 3,5 до 8,0 и при температуре от 60 до 80°С в течение от 0,5 до 6 ч по крайней мере с одним оптическим отбеливателем перед, в течение или после отбеливания отбеливателем, не содержащим хлор.1. A method of manufacturing wood pulp, including the complete bleaching of many fibers of sulphate cellulose with a bleaching agent based on chlorine and after washing, the interaction of the fibers of sulphate cellulose in solution at a pH of from 3.5 to 8.0 and at a temperature of from 60 to 80 ° C for from 0.5 to 6 hours with at least one optical brightener before, during, or after bleaching with a chlorine-free bleach. 2. Способ по п.1, где после промывки указанное взаимодействие осуществляется в растворе при рН от 3,5 до 5,5.2. The method according to claim 1, where after washing the specified interaction is carried out in solution at a pH of from 3.5 to 5.5. 3. Способ по п.1, где консистенция волокон в растворе составляет более чем 4%.3. The method according to claim 1, where the consistency of the fibers in the solution is more than 4%. 4. Способ по п.1, где консистенция волокон в растворе составляет от 7 до 15%.4. The method according to claim 1, where the consistency of the fibers in the solution is from 7 to 15%. 5. Способ по п.1, где оптический отбеливатель в количестве от 1 до 15 фунтов на тонну взаимодействует с волокнами.5. The method according to claim 1, where the optical brightener in an amount of from 1 to 15 pounds per ton interacts with the fibers. 6. Способ по п.1, где взаимодействие происходит в точке при осуществлении способа изготовления древесной массы или изготовления бумаги до стадии облагораживания.6. The method according to claim 1, where the interaction occurs at a point in the implementation of the method of manufacturing wood pulp or paper manufacture to the stage of refinement. 7. Способ по п.1, где указанное взаимодействие происходит без удерживающей добавки.7. The method according to claim 1, where the specified interaction occurs without a retention aid. 8. Способ по п.1, дополнительно включающий взаимодействие дополнительного отбеливателя с волокнами при работе напылителя.8. The method according to claim 1, further comprising the interaction of an additional bleach with fibers during operation of the sprayer. 9. Способ по п.1, дополнительно включающий взаимодействие дополнительного отбеливателя с волокнами при работе клеильного пресса.9. The method according to claim 1, further comprising the interaction of an additional bleach with fibers during operation of the size press. 10. Способ по п.1, где консистенция волокон в растворе составляет от 10 до 12%.10. The method according to claim 1, where the consistency of the fibers in the solution is from 10 to 12%. 11. Способ по п.1, где множество отбеленных волокон сульфатной целлюлозы в растворе имеет ISO яркость менее чем 90 до взаимодействия множества волокон сульфатной целлюлозы в растворе по крайней мере с одним отбеливателем и ISO яркость, более или равную 90 после взаимодействия множества волокон сульфатной целлюлозы в растворе по крайней мере с одним отбеливателем.11. The method according to claim 1, wherein the plurality of bleached sulphate pulp fibers in solution has an ISO brightness of less than 90 before the plurality of sulphate pulp fibers in solution is mixed with at least one bleach and the ISO brightness is greater than or equal to 90 after the plurality of sulfate pulp fibers reacts in solution with at least one bleach. 12. Способ по п.1, где множество отбеленных волокон сульфатной целлюлозы в растворе имеет ISO яркость менее чем 90 до взаимодействия множества волокон сульфатной целлюлозы в растворе по крайней мере с одним отбеливателем и ISO яркость, более или равную 92 после взаимодействия множества волокон сульфатной целлюлозы в растворе по крайней мере с одним отбеливателем.12. The method according to claim 1, wherein the plurality of bleached sulphate pulp fibers in solution has an ISO brightness of less than 90 before the plurality of sulphate pulp fibers in solution is mixed with at least one bleach and the ISO brightness is greater than or equal to 92 after the plurality of sulphate pulp fibers reacts in solution with at least one bleach. 13. Способ по п.1, где волокна сульфатной целлюлозы получены из лиственных пород деревьев.13. The method according to claim 1, where the fiber sulfate cellulose obtained from hardwood. 14. Способ по п.1, где волокна сульфатной целлюлозы получены из хвойных пород деревьев.14. The method according to claim 1, where the fiber sulfate cellulose obtained from conifers. 15. Способ по п.1, где указанное взаимодействие происходит на этапе хранения высокой плотности.15. The method according to claim 1, where the specified interaction occurs at the stage of storage of high density. 16. Способ по п.1, где указанное взаимодействие происходит на этапе облагораживания.16. The method according to claim 1, where the specified interaction occurs at the stage of ennoblement. 17. Способ по п.1, где указанное взаимодействие происходит на этапе хранения низкой плотности.17. The method according to claim 1, where the specified interaction occurs at the stage of storage of low density. 18. Способ по п.1, где указанное взаимодействие происходит до стадии смешения смесителем.18. The method according to claim 1, where the specified interaction occurs before the stage of mixing by the mixer. 19. Способ по п.1, где указанное взаимодействие происходит до стадии машинного смешения.19. The method according to claim 1, where the specified interaction occurs before the stage of machine mixing. 20. Способ по п.1, дополнительно включающий промывку множества волокон сульфатной целлюлозы до указанного взаимодействия.20. The method according to claim 1, further comprising washing the plurality of sulphate pulp fibers prior to said interaction. 21. Древесная масса, полученная способом по п.1.21. Wood pulp obtained by the method according to claim 1. 22. Древесная масса по п.21, где древесной массой является распушенная древесная масса.22. Wood pulp according to item 21, where the wood pulp is fluff pulp. 23. Древесная масса по п.21, где древесной массой является древесная масса для производства бумаги.23. Wood pulp according to item 21, where the wood pulp is wood pulp for paper production. 24. Древесная масса по п.21, имеющая оптическую яркость ISO не меньше 90.24. Wood pulp according to item 21, having an optical brightness of ISO not less than 90. 25. Древесная масса по п.21, имеющая оптическую яркость ISO не меньше 95.25. Wood pulp according to item 21, having an optical brightness of ISO not less than 95. 26. Древесная масса по п.21, имеющая оптическую яркость ISO не меньше 98.26. Wood pulp according to item 21, having an optical brightness of ISO not less than 98. 27. Древесная масса по п.21, имеющая белизну CIE не меньше 130.27. Wood pulp according to item 21, having a CIE whiteness of not less than 130. 28. Древесная масса по п.21, имеющая белизну CIE не меньше 130 и оптическую яркость ISO не меньше 90. 28. Wood pulp according to item 21, having a CIE whiteness of not less than 130 and an ISO optical brightness of not less than 90.
RU2010101656/12A 2005-02-19 2010-01-20 METHOD FOR PRODUCING WOOD MASS, WOOD MASS RU2010101656A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US65471205P 2005-02-19 2005-02-19
US60/654,712 2005-02-19
USPCT/US2006/006011 2006-02-21
PCT/US2006/006011 WO2006089274A1 (en) 2005-02-19 2006-02-21 Pulp and paper having increased brightness

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
RU2007134269/12A Division RU2386738C2 (en) 2005-02-19 2006-02-21 Fixation of optic whiteners on fibre

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RU2010101656A true RU2010101656A (en) 2011-08-10

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RU2007134269/12A RU2386738C2 (en) 2005-02-19 2006-02-21 Fixation of optic whiteners on fibre
RU2010101656/12A RU2010101656A (en) 2005-02-19 2010-01-20 METHOD FOR PRODUCING WOOD MASS, WOOD MASS

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US (1) US20060185808A1 (en)
EP (1) EP1848856A1 (en)
CN (1) CN101128630A (en)
AU (1) AU2006213983B2 (en)
BR (1) BRPI0607171A2 (en)
CA (1) CA2601926C (en)
NZ (1) NZ561652A (en)
RU (2) RU2386738C2 (en)
WO (1) WO2006089274A1 (en)

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CA2601926A1 (en) 2006-08-24
US20060185808A1 (en) 2006-08-24
BRPI0607171A2 (en) 2009-08-11
EP1848856A1 (en) 2007-10-31
AU2006213983A1 (en) 2006-08-24
CN101128630A (en) 2008-02-20
RU2007134269A (en) 2009-03-20
RU2386738C2 (en) 2010-04-20
NZ561652A (en) 2010-10-29
CA2601926C (en) 2011-07-19
WO2006089274A1 (en) 2006-08-24
AU2006213983B2 (en) 2009-11-19

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