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RU2008148573A - METHOD FOR PRODUCING CELLULOUS MULTICOMPONENT FIBERS - Google Patents

METHOD FOR PRODUCING CELLULOUS MULTICOMPONENT FIBERS Download PDF

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Publication number
RU2008148573A
RU2008148573A RU2008148573/04A RU2008148573A RU2008148573A RU 2008148573 A RU2008148573 A RU 2008148573A RU 2008148573/04 A RU2008148573/04 A RU 2008148573/04A RU 2008148573 A RU2008148573 A RU 2008148573A RU 2008148573 A RU2008148573 A RU 2008148573A
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RU
Russia
Prior art keywords
fiber
multicomponent fibers
cellulose
fibers according
producing
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RU2008148573/04A
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Russian (ru)
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RU2431004C2 (en
Inventor
Биргит КОЗАН (DE)
Биргит КОЗАН
Кристоф МИХЕЛЬС (DE)
Кристоф МИХЕЛЬС
Франк МАЙСТЕР (DE)
Франк Майстер
Ральф-Уве БАУЭР (DE)
Ральф-Уве БАУЭР
Original Assignee
Тюрингишес Институт Фюр Текстиль-Унд Кунстштофф-Форшунг Е.Ф. (De)
Тюрингишес Институт Фюр Текстиль-Унд Кунстштофф-Форшунг Е.Ф.
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Publication of RU2008148573A publication Critical patent/RU2008148573A/en
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Publication of RU2431004C2 publication Critical patent/RU2431004C2/en

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
    • D01F2/08—Composition of the spinning solution or the bath
    • D01F2/10—Addition to the spinning solution or spinning bath of substances which exert their effect equally well in either
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/54—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polymers of unsaturated nitriles
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/02—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from cellulose, cellulose derivatives, or proteins
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/08—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyacrylonitrile as constituent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Artificial Filaments (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Multicomponent Fibers (AREA)

Abstract

1. Способ получения целлюлозных многокомпонентных волокон с уменьшенной набухаемостью из ионных жидкостей, отличающийся тем, что 75-25 об.% целлюлозы и 25-75 об.%, по меньшей мере, одного другого волокнообразующего полимерного компонента диспергируют в водосодержащей ионной жидкости при добавлении стабилизаторов, удаляют полностью воду при помощи сдвига, подвода тепла и вакуума, полученный микроскопически гомогенный раствор формуют через, по меньшей мере, одну фильеру в волокно/пучок волокон, направляют его через кондиционированный зазор при вытягивании, осаждают ориентированные струи раствора путем обработки термостатированным раствором, который смешивают с ионной жидкостью и который представляет собой осадитель для целлюлозы и другого волокнообразующего полимерного компонента так, чтобы произошло спинодальное расслоение, удаляют ориентированные струи раствора из осадительной ванны и затем подвергают последующей обработке. ! 2. Способ получения целлюлозных многокомпонентных волокон по п.1, отличающийся тем, что в качестве целлюлозного компонента используют клетчатку с показателем «куоксам-DP» в области 300-2000, полученную из древесины, хлопкового линта или других однолетних растений по сульфитному, сульфатному/предгидролизному сульфатному способу. ! 3. Способ получения целлюлозных многокомпонентных волокон по п.1, отличающийся тем, что в качестве другого волокнообразующего компонента используют полиакрилонитрил. ! 4. Способ получения целлюлозных многокомпонентных волокон по п.1, отличающийся тем, что в качестве другого волокнообразующего компонента используют сополимеры полиакрилонитрила. ! 5. Способ 1. A method for producing cellulose multicomponent fibers with reduced swelling from ionic liquids, characterized in that 75-25 vol.% of cellulose and 25-75 vol.% of at least one other fiber-forming polymer component are dispersed in a water-containing ionic liquid with the addition of stabilizers , completely remove water using shear, heat and vacuum, the resulting microscopically homogeneous solution is formed through at least one spinneret into a fiber/bundle of fibers, directed through a conditioned gap while drawing, oriented jets of solution are deposited by treating with a thermostated solution, which mixed with an ionic liquid and which is a precipitating agent for cellulose and other fiber-forming polymer component so that spinodal exfoliation occurs, the oriented streams of solution are removed from the precipitating bath and then subjected to subsequent processing. ! 2. A method for producing cellulose multicomponent fibers according to claim 1, characterized in that the cellulose component is fiber with a “kuoxam-DP” index in the range of 300-2000, obtained from wood, cotton linters or other annual plants according to sulfite, sulfate/ prehydrolysis sulfate method. ! 3. The method for producing cellulose multicomponent fibers according to claim 1, characterized in that polyacrylonitrile is used as another fiber-forming component. ! 4. A method for producing cellulose multicomponent fibers according to claim 1, characterized in that polyacrylonitrile copolymers are used as another fiber-forming component. ! 5. Method

Claims (10)

1. Способ получения целлюлозных многокомпонентных волокон с уменьшенной набухаемостью из ионных жидкостей, отличающийся тем, что 75-25 об.% целлюлозы и 25-75 об.%, по меньшей мере, одного другого волокнообразующего полимерного компонента диспергируют в водосодержащей ионной жидкости при добавлении стабилизаторов, удаляют полностью воду при помощи сдвига, подвода тепла и вакуума, полученный микроскопически гомогенный раствор формуют через, по меньшей мере, одну фильеру в волокно/пучок волокон, направляют его через кондиционированный зазор при вытягивании, осаждают ориентированные струи раствора путем обработки термостатированным раствором, который смешивают с ионной жидкостью и который представляет собой осадитель для целлюлозы и другого волокнообразующего полимерного компонента так, чтобы произошло спинодальное расслоение, удаляют ориентированные струи раствора из осадительной ванны и затем подвергают последующей обработке.1. The method of producing cellulosic multicomponent fibers with reduced swelling from ionic liquids, characterized in that 75-25% vol. Cellulose and 25-75% vol., At least one other fiber-forming polymer component is dispersed in a water-containing ionic liquid with the addition of stabilizers completely remove the water by shearing, applying heat and vacuum, the microscopically obtained homogeneous solution is formed through at least one spinneret into a fiber / fiber bundle, directing it through an air-conditioned gap pulling precipitated oriented solution jets by treatment thermostated solution which is admixed with the ionic liquid and which is a nonsolvent for cellulose and other fiber-forming polymer component so that spinodal bundle was removed oriented solution jets from the coagulation bath and then subjected to subsequent processing. 2. Способ получения целлюлозных многокомпонентных волокон по п.1, отличающийся тем, что в качестве целлюлозного компонента используют клетчатку с показателем «куоксам-DP» в области 300-2000, полученную из древесины, хлопкового линта или других однолетних растений по сульфитному, сульфатному/предгидролизному сульфатному способу.2. The method of producing cellulosic multicomponent fibers according to claim 1, characterized in that cellulose component is used fiber with the indicator "Kuoksam-DP" in the region of 300-2000, obtained from wood, cotton lint or other annual plants on sulphite, sulphate / prehydrolysis sulfate method. 3. Способ получения целлюлозных многокомпонентных волокон по п.1, отличающийся тем, что в качестве другого волокнообразующего компонента используют полиакрилонитрил.3. The method of producing cellulosic multicomponent fibers according to claim 1, characterized in that polyacrylonitrile is used as another fiber-forming component. 4. Способ получения целлюлозных многокомпонентных волокон по п.1, отличающийся тем, что в качестве другого волокнообразующего компонента используют сополимеры полиакрилонитрила.4. The method of producing cellulosic multicomponent fibers according to claim 1, characterized in that polyacrylonitrile copolymers are used as another fiber-forming component. 5. Способ получения целлюлозных многокомпонентных волокон по п.1, отличающийся тем, что соотношение вязкостей при нулевом сдвиге растворов целлюлозы и второго полимера в ионной жидкости имеет значение исключительно выше 1.5. The method of producing cellulosic multicomponent fibers according to claim 1, characterized in that the ratio of viscosities at zero shear of cellulose and second polymer solutions in an ionic liquid has a value exclusively above 1. 6. Способ получения целлюлозных многокомпонентных волокон по п.1, отличающийся тем, что в качестве ионных жидкостей используют 1-бутил-3-метилимидазолхлорид (BMIMCl) и/или 1-этил-3-метилимидазолхлорид (EMIMCl) и/или 1-бутил-3-метилимидазолацетат (BMIMAc) и/или 1-этил-3-метилимидазолацетат (EMIMAc).6. The method of producing cellulosic multicomponent fibers according to claim 1, characterized in that 1-butyl-3-methylimidazole chloride (BMIMCl) and / or 1-ethyl-3-methylimidazole chloride (EMIMCl) and / or 1-butyl are used as ionic liquids -3-methylimidazole acetate (BMIMAc) and / or 1-ethyl-3-methylimidazole acetate (EMIMAc). 7. Способ получения целлюлозных многокомпонентных волокон по п.1, отличающийся тем, что в качестве стабилизаторов используют нелетучие основания в отдельности или в комбинации с пропилгаллатом, таннином, п-фенилендиамином или хиноном.7. The method of producing cellulosic multicomponent fibers according to claim 1, characterized in that non-volatile bases are used as stabilizers individually or in combination with propyl gallate, tannin, p-phenylenediamine or quinone. 8. Способ получения целлюлозных многокомпонентных волокон по п.1, отличающийся тем, что в качестве нелетучих оснований используют гидроксиды щелочных металлов или полиэтиленимин.8. The method of producing cellulosic multicomponent fibers according to claim 1, characterized in that alkali metal hydroxides or polyethyleneimine are used as non-volatile bases. 9. Способ получения целлюлозных многокомпонентных волокон по п.1, отличающийся тем, что в качестве осадителей используют воду и/или смешиваемые с водой спирты, которые могут содержать вплоть до 50% ионной жидкости, используемой в качестве растворителя.9. The method of producing cellulosic multicomponent fibers according to claim 1, characterized in that water and / or water-miscible alcohols, which may contain up to 50% of the ionic liquid used as a solvent, are used as precipitants. 10. Целлюлозное многокомпонентное волокно с уменьшенной набухаемостью, полученное способом по одному из пп.1-9. 10. Cellulosic multicomponent fiber with reduced swelling obtained by the method according to one of claims 1 to 9.
RU2008148573/05A 2006-05-10 2007-04-26 Method of producing multicomponent cellulose fibre RU2431004C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006022009A DE102006022009B3 (en) 2006-05-10 2006-05-10 Process for producing cellulosic multicomponent fibers
DE102006022009.9 2006-05-10

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RU2008148573A true RU2008148573A (en) 2010-06-20
RU2431004C2 RU2431004C2 (en) 2011-10-10

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AT (1) AT510254B1 (en)
DE (2) DE102006022009B3 (en)
GB (1) GB2451046B (en)
RU (1) RU2431004C2 (en)
WO (1) WO2007128268A2 (en)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7959765B2 (en) 2007-02-06 2011-06-14 North Carolina State Universtiy Product preparation and recovery from thermolysis of lignocellulosics in ionic liquids
WO2008098032A2 (en) 2007-02-06 2008-08-14 North Carolina State University Use of lignocellulosics solvated in ionic liquids for production of biofuels
WO2008098037A2 (en) * 2007-02-06 2008-08-14 North Carolina State University Polymer derivatives and composites from the dissolution of lignocellulosics in ionic liquids
WO2008119770A1 (en) * 2007-03-30 2008-10-09 Basf Se Method for modifying the structure of a cellulose material by treatment with an ionic liquid
BRPI0821891B1 (en) * 2008-01-16 2021-03-02 Lenzing Aktiengesellschaft yarn containing 30 to 100% of a mixture of fibers, consisting of a high modulus cellulosic wet fiber and a crosslinked cellulosic fiber obtained by solvent spinning
US8999211B2 (en) 2008-02-11 2015-04-07 Basf Se Method for producing porous structures from synthetic polymers
PL2268857T3 (en) 2008-03-27 2013-01-31 Cordenka Gmbh & Co Kg Cellulosic mouldings
CN102232129A (en) * 2008-09-12 2011-11-02 阿迪蒂亚博拉科技有限公司 A process for charging a polymeric product with attribute imparting agent(s)
DE102009019120A1 (en) * 2009-04-29 2010-11-04 Thüringisches Institut für Textil- und Kunststoff-Forschung e.V. Polyacrylonitrile form body and method for its production from solution, comprise dissolving polyacrylonitrile in a solvent, spinning and precipitating in a hydrous setting bath, washing in further washing bath and drying the form body
WO2011027220A1 (en) 2009-09-01 2011-03-10 Paul O'connor Improved process for dissolving cellulose-containing biomass material in an ionic liquid medium
EP2473553A1 (en) * 2009-09-01 2012-07-11 O'Connor, Paul Pretreatment of solid biomass material comprising cellulose with ionic liquid medium
JP2013507534A (en) 2009-10-07 2013-03-04 グラシム インダストリーズ リミテッド Process for producing low fibrillated cellulose derivative fibers
CA2775909A1 (en) 2009-10-07 2011-04-28 Grasim Industries Limited Process of manufacturing low-fibrillating cellulosic fibers
WO2011045231A1 (en) 2009-10-16 2011-04-21 Basf Se Method for removing cations from molded cellulose parts
GB2474694B (en) * 2009-10-23 2011-11-02 Innovia Films Ltd Biodegradable composites
EP2507300A1 (en) 2009-12-04 2012-10-10 Basf Se Method for producing a polymer dispersion
KR101778321B1 (en) 2009-12-10 2017-09-13 바스프 에스이 Antistatic thermoplastic compositions
KR20120118010A (en) 2010-01-15 2012-10-25 바스프 에스이 Method of chlorinating polysaccharides or oligosaccharides
US8884003B2 (en) 2010-01-15 2014-11-11 Basf Se Method of chlorinating polysaccharides or oligosaccharides
DE102011005441A1 (en) 2010-03-15 2011-09-15 Basf Se Use of acids having aliphatic hydrocarbon groups or their salts as corrosion inhibitors in a composition containing an ionic liquid e.g. an imidazolium salt compound
DE102011007559A1 (en) 2010-04-19 2011-10-20 Basf Se Electrochemical coating of a substrate surface with aluminum using an electrolyte, which is produced by e.g. dissolving or suspending aluminum trihalides in a non-ionic solvents, adding at least one ionic liquid or a solvent mixture
DE102011007566A1 (en) 2010-04-19 2012-01-19 Basf Se Preparing composition of aluminum trihalide and solvent, useful for electrochemical coating of substrate with aluminum, comprises e.g. dissolving or suspending aluminum trihalide in cycloaliphatic solvent and adding required solvent
DE102011007639A1 (en) 2010-04-23 2011-10-27 Basf Se Mechanical processing of workpieces with a high pressure jet comprising a liquid composition, which contains an ionic liquid
WO2011154890A1 (en) 2010-06-10 2011-12-15 Basf Se Process for reusing ionic liquids
US8563787B2 (en) 2010-10-05 2013-10-22 Basf Se Preparation of homoallyl alcohols in the presence of noncovalently supported ionic liquid phase catalysts under gas-phase reaction conditions
CN102199803B (en) * 2011-03-22 2013-02-27 武汉纺织大学 A kind of high elastic non-ironing cellulose fiber and its preparation method
CN103987733A (en) 2011-10-14 2014-08-13 巴斯夫欧洲公司 Preparation of oligosaccharides containing amine groups
DE202012013359U1 (en) 2011-10-26 2016-07-15 Deutsche Institute Für Textil- Und Faserforschung Denkendorf Carbon fibers and carbon fiber precursors
CN102660889B (en) * 2012-04-13 2014-06-18 东华大学 Fiber-floc suspension and preparation method thereof
CN102619143B (en) * 2012-04-13 2014-07-23 东华大学 Flocculent fiber film felt and preparation method thereof
JP5948146B2 (en) * 2012-05-21 2016-07-06 株式会社ブリヂストン Process for producing purified polysaccharide fiber, purified polysaccharide fiber, fiber-rubber composite, and tire
JP5993614B2 (en) * 2012-05-21 2016-09-14 株式会社ブリヂストン Purified polysaccharide fiber, fiber-rubber composite and tire manufacturing method
JP5948147B2 (en) * 2012-05-21 2016-07-06 株式会社ブリヂストン Process for producing purified polysaccharide fiber, purified polysaccharide fiber, fiber-rubber composite, and tire
IN2014DN10349A (en) 2012-05-21 2015-08-07 Bridgestone Corp
JP2015527483A (en) 2012-06-15 2015-09-17 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ Anodization of organic substrates in the presence of nucleophiles
WO2014162062A1 (en) 2013-04-04 2014-10-09 Aalto University Foundation Process for the production of shaped cellulose articles
JP2014227619A (en) 2013-05-21 2014-12-08 株式会社ブリヂストン Method of producing refined polysaccharide fiber, refined polysaccharide fiber and tire
CN105200558B (en) * 2015-10-20 2017-09-15 江苏科技大学 A kind of preparation method of silkworm and mulberry fibrous material
US11585015B2 (en) 2016-02-11 2023-02-21 Deutsche Institute Fur Textil-Und Faserforschung Denkendorf Process for the preparation of polymer fibers from polymers dissolved in ionic liquids by means of an air gap spinning process
WO2018138416A1 (en) 2017-01-30 2018-08-02 Aalto University Foundation Sr A process for making a cellulose fibre or film
RU2695665C1 (en) * 2018-11-09 2019-07-25 Федеральное государственное бюджетное учреждение науки Ордена Трудового Красного Знамени Институт нефтехимического синтеза им. А.В. Топчиева Российской академии наук (ИНХС РАН) Method of producing cellulose thickener for grease
RU2707600C1 (en) * 2019-03-27 2019-11-28 Федеральное государственное бюджетное учреждение науки Ордена Трудового Красного Знамени Институт нефтехимического синтеза им. А.В. Топчиева Российской академии наук (ИНХС РАН) Method of producing spinning mixed solutions of cellulose and copolymer pan in n-methylmorpholine-n-oxide (versions)
CN111101225A (en) * 2020-01-03 2020-05-05 镇江市高等专科学校 Preparation method of polyacrylonitrile nano-fiber

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT401063B (en) * 1994-09-05 1996-06-25 Chemiefaser Lenzing Ag METHOD FOR PRODUCING CELLULOSIC SHAPED BODIES
SE509894C2 (en) * 1996-08-27 1999-03-15 Akzo Nobel Surface Chem Use of a Linear Synthetic Polymer to Improve the Properties of a Cellulose Form Body Made by a Tertiary Amine Oxide Process
JP3728862B2 (en) * 1997-03-27 2005-12-21 日本エクスラン工業株式会社 Water-absorbing acrylic fiber
US7888412B2 (en) * 2004-03-26 2011-02-15 Board Of Trustees Of The University Of Alabama Polymer dissolution and blend formation in ionic liquids
DE102004031025B3 (en) * 2004-06-26 2005-12-29 Thüringisches Institut für Textil- und Kunststoff-Forschung e.V. Method and device for the production of shaped articles from cellulose

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DE102006022009B3 (en) 2007-12-06
WO2007128268A3 (en) 2008-01-03
GB2451046B (en) 2011-06-29
GB2451046A (en) 2009-01-14
RU2431004C2 (en) 2011-10-10
DE112007001615A5 (en) 2009-04-09
GB0821012D0 (en) 2008-12-24
WO2007128268A2 (en) 2007-11-15
AT510254B1 (en) 2012-04-15

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