ZA200309833B - Ue of thinnings and other low specific gravity wood for lyocell pulps. - Google Patents
Ue of thinnings and other low specific gravity wood for lyocell pulps.Info
- Publication number
- ZA200309833B ZA200309833B ZA200309833A ZA200309833A ZA200309833B ZA 200309833 B ZA200309833 B ZA 200309833B ZA 200309833 A ZA200309833 A ZA 200309833A ZA 200309833 A ZA200309833 A ZA 200309833A ZA 200309833 B ZA200309833 B ZA 200309833B
- Authority
- ZA
- South Africa
- Prior art keywords
- thinnings
- specific gravity
- low specific
- gravity wood
- lyocell
- Prior art date
Links
- 229920000433 Lyocell Polymers 0.000 title 1
- 230000005484 gravity Effects 0.000 title 1
- 239000002023 wood Substances 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
-
- 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
- D21H5/00—Special paper or cardboard not otherwise provided for
- D21H5/12—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials
- D21H5/14—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials of cellulose fibres only
- D21H5/141—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials of cellulose fibres only of fibrous cellulose derivatives
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/098—Melt spinning methods with simultaneous stretching
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/18—Formation of filaments, threads, or the like by means of rotating spinnerets
-
- 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
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
-
- 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
- D21C9/004—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives inorganic compounds
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2904—Staple length fiber
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/2964—Artificial fiber or filament
- Y10T428/2965—Cellulosic
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Paper (AREA)
- Nonwoven Fabrics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/336,389 US6686039B2 (en) | 1999-02-24 | 2003-01-02 | Use of thinnings and other low specific gravity wood for lyocell pulps |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA200309833B true ZA200309833B (en) | 2004-08-11 |
Family
ID=32507415
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA200309833A ZA200309833B (en) | 2003-01-02 | 2003-12-18 | Ue of thinnings and other low specific gravity wood for lyocell pulps. |
Country Status (12)
Country | Link |
---|---|
US (1) | US6686039B2 (ja) |
EP (1) | EP1435404B1 (ja) |
JP (1) | JP4015109B2 (ja) |
KR (1) | KR100547710B1 (ja) |
CN (1) | CN1517490A (ja) |
BR (1) | BR0305986B1 (ja) |
CA (1) | CA2453276C (ja) |
DE (1) | DE60303900T2 (ja) |
ES (1) | ES2259751T3 (ja) |
MX (1) | MXPA04000072A (ja) |
TW (1) | TWI251040B (ja) |
ZA (1) | ZA200309833B (ja) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6797113B2 (en) * | 1999-02-24 | 2004-09-28 | Weyerhaeuser Company | Use of thinnings and other low specific gravity wood for lyocell pulps method |
US20080241536A1 (en) * | 2007-03-29 | 2008-10-02 | Weyerhaeuser Co. | Method for processing cellulose in ionic liquids and fibers therefrom |
US9260818B2 (en) * | 2007-05-23 | 2016-02-16 | Andritz Inc. | Single vessel reactor system for hydrolysis and digestion of wood chips with chemical enhanced wash method |
US9511167B2 (en) | 2009-05-28 | 2016-12-06 | Gp Cellulose Gmbh | Modified cellulose from chemical kraft fiber and methods of making and using the same |
US9512563B2 (en) | 2009-05-28 | 2016-12-06 | Gp Cellulose Gmbh | Surface treated modified cellulose from chemical kraft fiber and methods of making and using same |
KR101805048B1 (ko) | 2009-05-28 | 2017-12-05 | 게페 첼루로제 게엠베하 | 화학적 크래프트 섬유로부터의 변형된 셀룰로즈 및 이들을 제조 및 사용하는 방법 |
US9512237B2 (en) | 2009-05-28 | 2016-12-06 | Gp Cellulose Gmbh | Method for inhibiting the growth of microbes with a modified cellulose fiber |
AU2012268700B2 (en) | 2011-05-23 | 2017-02-02 | Gp Cellulose Gmbh | Softwood kraft fiber having improved whiteness and brightness and methods of making and using the same |
EP3800290B1 (en) | 2012-01-12 | 2023-11-01 | GP Cellulose GmbH | A low viscosity kraft fiber having reduced yellowing properties and methods of making and using the same |
WO2013124265A1 (en) * | 2012-02-20 | 2013-08-29 | Renewcell Lux S.À.R.L | Regeneration of cellulose |
RU2017128939A (ru) | 2012-04-18 | 2019-02-04 | ДжиПи СЕЛЛЬЮЛОУС ГМБХ | Использование поверхностно-активного вещества для обработки пульпы и улучшение введения крафт-пульпы в волокно для получения вискозы и других вторичных волокнистых продуктов |
AT514001B1 (de) * | 2012-12-06 | 2016-03-15 | Chemiefaser Lenzing Ag | Verfahren zur Herstellung eines cellulosischen Formkörpers |
JPWO2014104187A1 (ja) * | 2012-12-27 | 2017-01-19 | 特種東海製紙株式会社 | ガラス板合紙用木材パルプ及びガラス板用合紙 |
US10151064B2 (en) | 2013-02-08 | 2018-12-11 | Gp Cellulose Gmbh | Softwood kraft fiber having an improved α-cellulose content and its use in the production of chemical cellulose products |
BR112015019882A2 (pt) | 2013-03-14 | 2017-07-18 | Gp Cellulose Gmbh | fibra kraft clareada oxidada e métodos para fazer polpa kraft e fibra kraft de madeira macia e para clarear polpa kraft de celulose em sequência de branqueamento de multi-estágios |
WO2014140940A2 (en) | 2013-03-15 | 2014-09-18 | Gp Cellulose Gmbh | A low viscosity kraft fiber having an enhanced carboxyl content and methods of making and using the same |
US20150184338A1 (en) | 2013-12-31 | 2015-07-02 | Weyerhaeuser Nr Company | Treated kraft pulp compositions and methods of making the same |
US10865519B2 (en) | 2016-11-16 | 2020-12-15 | Gp Cellulose Gmbh | Modified cellulose from chemical fiber and methods of making and using the same |
EP3536833A1 (de) | 2018-03-06 | 2019-09-11 | Lenzing Aktiengesellschaft | Lyocell-fasern ohne mannan |
Family Cites Families (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3255071A (en) | 1963-10-25 | 1966-06-07 | Theodor N Kleinert | Process for production of alkali cellulose in the absence of an aqueous liquid phase |
US3586600A (en) | 1967-07-27 | 1971-06-22 | Improved Machinery Inc | Continuous digesting apparatus |
SE352120B (ja) | 1969-02-17 | 1972-12-18 | Reinhall Rolf | |
SE335053B (ja) | 1969-05-13 | 1971-05-10 | Mo Och Domsjoe Ab | |
US3632469A (en) | 1969-06-05 | 1972-01-04 | Ethyl Corp | Process for the manufacture of dissolving grade pulp |
US3785920A (en) | 1972-04-10 | 1974-01-15 | T Johansen | Method of treating raw cellulosic materials |
US4338158A (en) | 1976-04-09 | 1982-07-06 | Weyerhaeuser Company | Pulping in the presence of a protector |
US4295925A (en) | 1979-06-15 | 1981-10-20 | Weyerhaeuser Company | Treating pulp with oxygen |
US4295927A (en) | 1979-06-15 | 1981-10-20 | Weyerhaeuser Company | Method and apparatus for treating pulp with oxygen and storing the treated pulp |
US4298426A (en) | 1979-06-15 | 1981-11-03 | Weyerhaeuser Company | Method and apparatus for treating pulp with oxygen in a multi-stage bleaching sequence |
US4295926A (en) | 1979-06-15 | 1981-10-20 | Weyerhaeuser Company | Method and apparatus for treating pulp with oxygen |
SE434284B (sv) | 1980-05-07 | 1984-07-16 | Mo Och Domsjoe Ab | Forfarande vid syrgasdelignifiering av kemiskt uppsluten cellulosamassa varvid aromatiska diaminer tillfores |
CA2071185C (en) | 1991-06-14 | 1995-02-07 | Jorge Luiz Colodette | Process for delignifying lignocellulosic pulp by means of oxygen |
GB9122318D0 (en) | 1991-10-21 | 1991-12-04 | Courtaulds Plc | Treatment of elongate members |
GB9412500D0 (en) | 1994-06-22 | 1994-08-10 | Courtaulds Fibres Holdings Ltd | Fibre manufacture |
GB9412501D0 (en) | 1994-06-22 | 1994-08-10 | Courtaulds Fibres Holdings Ltd | Manufacture of fibre |
FI102301B (fi) | 1994-10-13 | 1998-11-13 | Andritz Oy | Menetelmä selluloosamassojen käsittelemiseksi |
US6736934B1 (en) | 1995-02-17 | 2004-05-18 | Andritz Oy | Method of pretreating pulp in an acid tower prior to bleaching with peroxide |
ES2139340T3 (es) | 1995-03-03 | 2000-02-01 | Akzo Nobel Nv | Procedimiento de hilatura centrifuga para soluciones hilables. |
FR2735794B1 (fr) | 1995-06-26 | 1997-09-19 | Elysees Balzac Financiere | Procede de preparation d'un melange de fibres et de microfibres cellulosiques |
FI105701B (fi) | 1995-10-20 | 2000-09-29 | Ahlstrom Machinery Oy | Menetelmä ja laitteisto massan käsittelemiseksi |
ATE186577T1 (de) | 1996-02-14 | 1999-11-15 | Akzo Nobel Nv | Verfahren zur herstellung von cellulosefasern und filamenten |
GB9614680D0 (en) | 1996-07-12 | 1996-09-04 | Courtaulds Fibres Holdings Ltd | Pumps |
US6210801B1 (en) | 1996-08-23 | 2001-04-03 | Weyerhaeuser Company | Lyocell fibers, and compositions for making same |
US6605350B1 (en) * | 1996-08-23 | 2003-08-12 | Weyerhaeuser Company | Sawdust alkaline pulp having low average degree of polymerization values and method of producing the same |
US6306334B1 (en) * | 1996-08-23 | 2001-10-23 | The Weyerhaeuser Company | Process for melt blowing continuous lyocell fibers |
US6471727B2 (en) * | 1996-08-23 | 2002-10-29 | Weyerhaeuser Company | Lyocell fibers, and compositions for making the same |
US6221487B1 (en) * | 1996-08-23 | 2001-04-24 | The Weyerhauser Company | Lyocell fibers having enhanced CV properties |
US6331354B1 (en) * | 1996-08-23 | 2001-12-18 | Weyerhaeuser Company | Alkaline pulp having low average degree of polymerization values and method of producing the same |
CN1080779C (zh) | 1996-11-21 | 2002-03-13 | 东洋纺织株式会社 | 再生纤维素纤维及其制造方法 |
WO1999016960A1 (en) | 1997-10-01 | 1999-04-08 | Weyerhaeuser Company | Cellulose treatment and the resulting product |
-
2003
- 2003-01-02 US US10/336,389 patent/US6686039B2/en not_active Expired - Lifetime
- 2003-12-12 CA CA002453276A patent/CA2453276C/en not_active Expired - Fee Related
- 2003-12-18 ZA ZA200309833A patent/ZA200309833B/xx unknown
- 2003-12-18 ES ES03258017T patent/ES2259751T3/es not_active Expired - Lifetime
- 2003-12-18 DE DE60303900T patent/DE60303900T2/de not_active Expired - Fee Related
- 2003-12-18 EP EP03258017A patent/EP1435404B1/en not_active Expired - Lifetime
- 2003-12-19 KR KR1020030093504A patent/KR100547710B1/ko not_active IP Right Cessation
- 2003-12-24 TW TW092136695A patent/TWI251040B/zh not_active IP Right Cessation
- 2003-12-26 JP JP2003433853A patent/JP4015109B2/ja not_active Expired - Fee Related
- 2003-12-30 BR BRPI0305986-3A patent/BR0305986B1/pt not_active IP Right Cessation
-
2004
- 2004-01-02 CN CNA2004100012378A patent/CN1517490A/zh active Pending
- 2004-01-07 MX MXPA04000072A patent/MXPA04000072A/es active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
KR20040062397A (ko) | 2004-07-07 |
BR0305986B1 (pt) | 2013-04-02 |
DE60303900T2 (de) | 2006-10-12 |
EP1435404B1 (en) | 2006-03-08 |
JP2004211280A (ja) | 2004-07-29 |
TWI251040B (en) | 2006-03-11 |
ES2259751T3 (es) | 2006-10-16 |
TW200413582A (en) | 2004-08-01 |
US20030186054A1 (en) | 2003-10-02 |
CA2453276C (en) | 2006-10-31 |
DE60303900D1 (de) | 2006-05-04 |
CN1517490A (zh) | 2004-08-04 |
MXPA04000072A (es) | 2004-07-08 |
BR0305986A (pt) | 2004-08-17 |
EP1435404A1 (en) | 2004-07-07 |
KR100547710B1 (ko) | 2006-01-31 |
JP4015109B2 (ja) | 2007-11-28 |
CA2453276A1 (en) | 2004-07-02 |
US6686039B2 (en) | 2004-02-03 |
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