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RU2001110377A - METHOD FOR PRODUCING CELLULOSE FORMED ARTICLES - Google Patents

METHOD FOR PRODUCING CELLULOSE FORMED ARTICLES

Info

Publication number
RU2001110377A
RU2001110377A RU2001110377/04A RU2001110377A RU2001110377A RU 2001110377 A RU2001110377 A RU 2001110377A RU 2001110377/04 A RU2001110377/04 A RU 2001110377/04A RU 2001110377 A RU2001110377 A RU 2001110377A RU 2001110377 A RU2001110377 A RU 2001110377A
Authority
RU
Russia
Prior art keywords
washing
paragraphs
liquids
ultraviolet radiation
liquid
Prior art date
Application number
RU2001110377/04A
Other languages
Russian (ru)
Other versions
RU2221090C2 (en
Inventor
Хольгер ГУНКЕЛЬ
Михаель МООЦ
Original Assignee
Алсеру Шварца Гмбх
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19842556A external-priority patent/DE19842556C2/en
Application filed by Алсеру Шварца Гмбх filed Critical Алсеру Шварца Гмбх
Publication of RU2001110377A publication Critical patent/RU2001110377A/en
Application granted granted Critical
Publication of RU2221090C2 publication Critical patent/RU2221090C2/en

Links

Claims (8)

1. Способ изготовления целлюлозных формованных изделий, таких как волокна, элементарные нити, фольга, мембраны или трубки, при котором a) раствор целлюлозы в содержащем воду аминоксиде, в частности, N-метилморфолин-N-оксиде, экструдируют с использованием формовочного инструмента через воздушную щель и коагулируют формованное изделие в водной содержащей аминоксид осадительной ванне и b) формованное изделие для удаления остаточного аминоксида проводят через по меньшей мере одну промывочную стадию, отличающийся тем, что жидкость осадительной ванны в стадии осаждения и/или промывочную жидкость стадии (стадий) промывки обрабатывают ультрафиолетовым излучением.1. A method of manufacturing a cellulosic molded product, such as fibers, filaments, foil, membranes or tubes, wherein a) a cellulose solution in a water-containing amine oxide, in particular N-methylmorpholine-N-oxide, is extruded using a molding tool through an air gap and coagulate the molded article in an aqueous amine oxide-containing precipitation bath; and b) the molded article is removed through at least one washing step to remove residual amine oxide, wherein the liquid is precipitated of the first bath in the precipitation stage and / or the washing liquid of the washing stage (s) are treated with ultraviolet radiation. 2. Способ по п. 1, отличающийся тем, что работают с ультрафиолетовым излучением с длиной волны в интервале от 200 до 280 нм. 2. The method according to p. 1, characterized in that they work with ultraviolet radiation with a wavelength in the range from 200 to 280 nm. 3. Способ по п. 2, отличающийся тем, что ультрафиолетовое излучение обнаруживает длину волны 254 нм. 3. The method according to p. 2, characterized in that the ultraviolet radiation detects a wavelength of 254 nm. 4. Способ по одному из пп. 1-3, отличающийся тем, что ультрафиолетовое излучение производят при помощи ртутной лампы низкого давления. 4. The method according to one of paragraphs. 1-3, characterized in that the ultraviolet radiation is produced using a low-pressure mercury lamp. 5. Способ по одному из пп. 1-4, отличающийся тем, что УФ-обработку ограничивают жидкостями стадии (стадий) промывки с температурой ниже 50oС.5. The method according to one of paragraphs. 1-4, characterized in that the UV treatment is limited to liquids stage (s) washing with temperatures below 50 o C. 6. Способ по одному из пп. 1-5, отличающийся тем, что жидкость осадительной ванны или промывочные жидкости подвергают Hazen-индексу цвета Гц ≤ 400 УФ-обработки. 6. The method according to one of paragraphs. 1-5, characterized in that the liquid precipitation bath or wash liquids are subjected to Hazen-index color Hz ≤ 400 UV treatment. 7. Способ по одному из пп. 1-6, отличающийся тем, что осадительная ванна и несколько стадий промывки включены одна за другой и имеют собственные циклы жидкостей, причем жидкости цикла осадительной ванны и первой стадии (стадий) промывки обрабатывают УФ-излучением. 7. The method according to one of paragraphs. 1-6, characterized in that the precipitation bath and several washing stages are included one after another and have their own liquid cycles, moreover, the liquids of the precipitation bath cycle and the first washing stage (s) are treated with UV radiation. 8. Способ по п. 6, отличающийся тем, что жидкости цикла облучают с мощностью в интервале от 0,1 до 1,0 Вт-ч/мл. 8. The method according to p. 6, characterized in that the liquids of the cycle are irradiated with a power in the range from 0.1 to 1.0 Wh / ml.
RU2001110377/04A 1998-09-17 1999-09-14 Method of manufacturing molded cellulose products RU2221090C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19842556.2 1998-09-17
DE19842556A DE19842556C2 (en) 1998-09-17 1998-09-17 Process for the production of cellulosic moldings

Publications (2)

Publication Number Publication Date
RU2001110377A true RU2001110377A (en) 2003-02-10
RU2221090C2 RU2221090C2 (en) 2004-01-10

Family

ID=7881248

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2001110377/04A RU2221090C2 (en) 1998-09-17 1999-09-14 Method of manufacturing molded cellulose products

Country Status (18)

Country Link
US (1) US6746641B1 (en)
EP (1) EP1125011B1 (en)
JP (1) JP2002526307A (en)
KR (1) KR100567781B1 (en)
CN (1) CN1136340C (en)
AT (1) ATE259433T1 (en)
BR (1) BR9913802A (en)
CA (1) CA2344162A1 (en)
DE (2) DE19842556C2 (en)
MX (1) MXPA01002837A (en)
MY (1) MY124087A (en)
NO (1) NO317694B1 (en)
PL (1) PL346713A1 (en)
RU (1) RU2221090C2 (en)
TR (1) TR200100783T2 (en)
TW (1) TW442582B (en)
WO (1) WO2000017424A1 (en)
ZA (1) ZA200103102B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005054297A2 (en) 2003-11-28 2005-06-16 Eastman Chemical Company Cellulose interpolymers and method of oxidation
DE102007034227A1 (en) * 2007-07-23 2009-01-29 Osram Gesellschaft mit beschränkter Haftung Method and device for producing a container for receiving an Hg source for a discharge lamp
JP5490724B2 (en) * 2008-02-08 2014-05-14 リスト ホールディング アーゲー Method and apparatus for manufacturing molded article
CN102234852B (en) * 2010-04-21 2013-04-10 聚隆纤维股份有限公司 Solvent recovery method of Lyocell fiber
KR101972271B1 (en) * 2018-09-05 2019-04-24 박한수 Method and apparatus for manufacturing fiber for artificial hair

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT402738B (en) 1993-07-28 1997-08-25 Chemiefaser Lenzing Ag SPIDER NOZZLE
US5891370A (en) * 1994-12-15 1999-04-06 Akzo Nobel Nv Process for producing cellulosic moldings
US5984655A (en) 1994-12-22 1999-11-16 Lenzing Aktiengesellschaft Spinning process and apparatus
AT402512B (en) * 1995-08-18 1997-06-25 Chemiefaser Lenzing Ag METHOD FOR PROCESSING AN AQUEOUS PROCESS LIQUID OF THE AMINOXIDE METHOD
AT403297B (en) * 1995-08-18 1997-12-29 Chemiefaser Lenzing Ag METHOD FOR SELECTIVE SEPARATION OF MORPHOLINE
AT402511B (en) * 1995-08-18 1997-06-25 Chemiefaser Lenzing Ag METHOD FOR PRODUCING AN AQUEOUS AMINOXIDE SOLUTION
AT402510B (en) * 1995-08-18 1997-06-25 Chemiefaser Lenzing Ag METHOD FOR PROCESSING AN AQUEOUS PROCESS LIQUID OF THE AMINOXIDE METHOD
RU2092448C1 (en) * 1996-03-01 1997-10-10 Ульянов Андрей Николаевич Method of cleaning and disinfecting aqueous media
AT404033B (en) * 1996-07-02 1998-07-27 Chemiefaser Lenzing Ag METHOD FOR PRODUCING AN AQUEOUS SOLUTION OF N-METHYLMORPHOLIN-N-OXIDE
DE102006030275A1 (en) * 2006-06-30 2008-01-03 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Protective cover for lamps and associated structural unit

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