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RU97100788A - FIBER FIBER AND METHOD OF ITS PRODUCTION - Google Patents

FIBER FIBER AND METHOD OF ITS PRODUCTION

Info

Publication number
RU97100788A
RU97100788A RU97100788/04A RU97100788A RU97100788A RU 97100788 A RU97100788 A RU 97100788A RU 97100788/04 A RU97100788/04 A RU 97100788/04A RU 97100788 A RU97100788 A RU 97100788A RU 97100788 A RU97100788 A RU 97100788A
Authority
RU
Russia
Prior art keywords
grinding
lyocell fiber
fiber
degree
bleaching
Prior art date
Application number
RU97100788/04A
Other languages
Russian (ru)
Other versions
RU2144101C1 (en
Inventor
Мартин Гэннон Джеймс
Гравесон Ян
Энн Джонсон Памела
Роджер Вудингс Кэлвин
Original Assignee
Кортолдс Файбес Холдингс Лимитед
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 GB9412500A external-priority patent/GB9412500D0/en
Application filed by Кортолдс Файбес Холдингс Лимитед filed Critical Кортолдс Файбес Холдингс Лимитед
Publication of RU97100788A publication Critical patent/RU97100788A/en
Application granted granted Critical
Publication of RU2144101C1 publication Critical patent/RU2144101C1/en

Links

Claims (17)

1. Способ производства лиоцельного волокна с повышенной склонностью к фибриллообразованию, включающий стадии: (1) растворения целлюлозы в растворителе с образованием раствора; (2) экструдирования раствора через фильеру с образованием множества числа филаментных нитей и (3) промывки филаментных нитей с целью удаления растворителя, в результате чего образуется лиоцельное волокно, отличающийся стадией (4) воздействия на лиоцельное волокно условий, при которых эффективно снижается степень полимеризации целлюлозы по меньшей мере на 200 единиц.1. A method of producing lyocell fiber with an increased tendency to fibrillation, comprising the steps of: (1) dissolving cellulose in a solvent to form a solution; (2) extruding the solution through a spinneret to form a plurality of filament yarns; and (3) washing the filament yarns to remove solvent, resulting in the formation of a lyocell fiber, characterized by a stage (4) exposing the lyocell fiber to conditions under which cellulose polymerization is effectively reduced at least 200 units. 2. Способ по п.1, отличающийся тем, что растворитель включает N-оксид третичного амина. 2. The method according to claim 1, characterized in that the solvent comprises a tertiary amine N-oxide. 3. Способ по п. 2, отличающийся тем, что N-оксид третичного амина представляет собой N-метилморфолин-N-оксид. 3. The method according to p. 2, characterized in that the tertiary amine N-oxide is an N-methylmorpholine-N-oxide. 4. Способ по любому из предыдущих пунктов, отличающийся тем, что степень полимеризации целлюлозы на стадии (4) уменьшают по меньшей мере приблизительно на 300 единиц. 4. The method according to any one of the preceding paragraphs, characterized in that the degree of polymerization of the cellulose in step (4) is reduced by at least about 300 units. 5. Способ по любому из предыдущих пунктов, отличающийся тем, что степень полимеризации целлюлозы после стадии (4) составляет менее приблизительно 250 единиц. 5. The method according to any one of the preceding paragraphs, characterized in that the degree of polymerization of cellulose after stage (4) is less than about 250 units. 6. Способ по любому из предыдущих пунктов, отличающийся тем, что степень полимеризации на стадии (4) уменьшают с помощью отбеливания. 6. The method according to any one of the preceding paragraphs, characterized in that the degree of polymerization in stage (4) is reduced by bleaching. 7. Способ по п.6, отличающийся тем, что отбеливание включает нанесение на волокно отбеливающего раствора, который представляет собой водный раствор, содержащий гипохлорит натрия. 7. The method according to claim 6, characterized in that the bleaching comprises applying a bleaching solution to the fiber, which is an aqueous solution containing sodium hypochlorite. 8. Способ по п.6, отличающийся тем, что концентрация гипохлорита натрия в отбеливающем растворе, выраженная в виде активного хлора, находится в интервале от 0,5 до 2,0 вес.%. 8. The method according to claim 6, characterized in that the concentration of sodium hypochlorite in the bleaching solution, expressed as active chlorine, is in the range from 0.5 to 2.0 wt.%. 9. Способ по п.6, отличающийся тем, что отбеливание включает нанесение на волокно отбеливающего раствора, который представляет собой водный раствор, содержащий перекись водорода. 9. The method according to claim 6, characterized in that the bleaching comprises applying a bleaching solution to the fiber, which is an aqueous solution containing hydrogen peroxide. 10. Способ по любому из предыдущих пунктов, отличающийся тем, что стадию 4 осуществляют на не подвергавшемся сушке лиоцельном волокне. 10. The method according to any one of the preceding paragraphs, characterized in that stage 4 is carried out on not subjected to drying lyocell fiber. 11. Способ по любому из пп.1 - 9, отличающийся тем, что стадию 4 осуществляют на предварительно высушенном лиоцельном волокне. 11. The method according to any one of claims 1 to 9, characterized in that stage 4 is carried out on a pre-dried lyocell fiber. 12. Бумага, содержащая лиоцельное волокно, отличающаяся тем, что по меньшей мере некоторое количество лиоцельного волокна изготовлено способом по одному из пп.1 - 11. 12. Paper containing lyocell fiber, characterized in that at least a certain amount of lyocell fiber is made by the method according to one of claims 1 to 11. 13. Гидропереплетный материал, содержащий лиоцельное волокно, отличающийся тем, что по меньшей мере некоторое количество лиоцельного волокна изготовлено способом по одному из пп.1 - 11. 13. Hydrobinding material containing lyocell fiber, characterized in that at least a certain amount of lyocell fiber is made by the method according to one of claims 1 to 11. 14. Лиоцельное волокно, отличающееся тем, что оно обладает способностью к размалыванию до Канадского стандарта степени помола 400 в опыте на измельчение с помощью количества измельчающих полных оборотов в интервале приблизительно от 30000 до 150000. 14. Lyocell fiber, characterized in that it has the ability to grind to the Canadian standard, the degree of grinding of 400 in the grinding experiment using the number of grinding full revolutions in the range from about 30,000 to 150,000. 15. Лиоцельное волокно по п.14, отличающееся тем, что оно обладает способностью к размалыванию до Канадского стандарта степени помола 400 в опыте на измельчение с помощью количества измельчающих полных оборотов в интервале приблизительно от 50000 до 100000. 15. Lyocell fiber according to 14, characterized in that it has the ability to grind to the Canadian standard, the degree of grinding 400 in the grinding experiment using the number of grinding full revolutions in the range of from about 50,000 to 100,000. 16. Лиоцельное волокно, отличающееся тем, что оно обладает способностью к размалыванию до Канадского стандарта степени помола 200 в опыте на измельчение с помощью количества измельчающих полных оборотов в интервале приблизительно от 50000 до 200000. 16. Lyocell fiber, characterized in that it has the ability to grind to the Canadian standard, the degree of grinding 200 in the grinding experiment using the number of grinding full revolutions in the range of from about 50,000 to 200,000. 17. Лиоцельное волокно по п.16, отличающееся тем, что оно обладает способностью к размалыванию до Канадского стандарта степени помола 200 в опыте на измельчение с помощью количества измельчающих полных оборотов в интервале приблизительно от 75000 до 125000. 17. Lyocell fiber according to clause 16, characterized in that it has the ability to grind to the Canadian standard, the degree of grinding 200 in the grinding experiment using the number of grinding full revolutions in the range from about 75000 to 125000.
RU97100788A 1994-06-22 1995-06-19 Lyocell fiber, method of manufacturing thereof, paper, and hydrotwisted material RU2144101C1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9412500.2 1994-06-22
GB9412500A GB9412500D0 (en) 1994-06-22 1994-06-22 Fibre manufacture
PCT/GB1995/001439 WO1995035399A1 (en) 1994-06-22 1995-06-19 Lyocell fibre and a process for its manufacture

Publications (2)

Publication Number Publication Date
RU97100788A true RU97100788A (en) 1999-02-20
RU2144101C1 RU2144101C1 (en) 2000-01-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU97100788A RU2144101C1 (en) 1994-06-22 1995-06-19 Lyocell fiber, method of manufacturing thereof, paper, and hydrotwisted material

Country Status (22)

Country Link
US (1) US6042769A (en)
EP (1) EP0766755B1 (en)
JP (1) JPH10504858A (en)
CN (1) CN1098939C (en)
AT (1) ATE187782T1 (en)
AU (1) AU702214B2 (en)
BR (1) BR9508084A (en)
CA (1) CA2193370A1 (en)
CZ (1) CZ371996A3 (en)
DE (1) DE69513978T2 (en)
ES (1) ES2141360T3 (en)
FI (1) FI965050A (en)
GB (1) GB9412500D0 (en)
HU (1) HU218756B (en)
NO (1) NO965481L (en)
PL (1) PL317942A1 (en)
RU (1) RU2144101C1 (en)
SK (1) SK165896A3 (en)
TR (1) TR28779A (en)
TW (1) TW382641B (en)
WO (1) WO1995035399A1 (en)
ZA (1) ZA955194B (en)

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