CA2212995C - Cellulose moulded body and process for its production - Google Patents

Cellulose moulded body and process for its production Download PDF

Info

Publication number: CA2212995C
Authority: CA; Canada
Prior art keywords: pulp; fibres; cellulose; bleaching; bleached
Prior art date: 1995-12-22
Legal status (The legal status 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 status listed.): Expired - Fee Related

Application number

CA002212995A

Other languages

English (en)

French (fr)

Other versions

CA2212995A1 (en

Inventor

Hartmut Ruf

Dieter Eichinger

Gabriele Schild

Wilhelm Feilmair

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Lenzing AG

Original Assignee

Lenzing AG

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.)

1995-12-22

Filing date

1996-12-19

Publication date

2006-09-19

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=3527728&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2212995(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1996-12-19 Application filed by Lenzing AG filed Critical Lenzing AG

1997-07-03 Publication of CA2212995A1 publication Critical patent/CA2212995A1/en

2006-09-19 Application granted granted Critical

2006-09-19 Publication of CA2212995C publication Critical patent/CA2212995C/en

2016-12-19 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 36
229920002678 cellulose Polymers 0.000 title claims abstract description 27
239000001913 cellulose Substances 0.000 title claims abstract description 27
238000004519 manufacturing process Methods 0.000 title claims abstract description 14
238000004061 bleaching Methods 0.000 claims abstract description 21
230000001747 exhibiting effect Effects 0.000 claims abstract description 4
150000001875 compounds Chemical class 0.000 claims description 10
229920003043 Cellulose fiber Polymers 0.000 claims description 7
LFTLOKWAGJYHHR-UHFFFAOYSA-N N-methylmorpholine N-oxide Chemical compound CN1(=O)CCOCC1 LFTLOKWAGJYHHR-UHFFFAOYSA-N 0.000 claims description 7
238000000578 dry spinning Methods 0.000 claims description 3
238000002166 wet spinning Methods 0.000 claims description 3
239000007844 bleaching agent Substances 0.000 abstract description 11
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract description 10
239000000460 chlorine Substances 0.000 abstract description 10
229910052801 chlorine Inorganic materials 0.000 abstract description 10
150000001805 chlorine compounds Chemical class 0.000 abstract description 8
WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 21
OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 6
150000002978 peroxides Chemical class 0.000 description 6
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
239000001301 oxygen Substances 0.000 description 5
229910052760 oxygen Inorganic materials 0.000 description 5
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 4
239000010408 film Substances 0.000 description 4
239000000126 substance Substances 0.000 description 4
239000004155 Chlorine dioxide Substances 0.000 description 3
235000019398 chlorine dioxide Nutrition 0.000 description 3
238000000605 extraction Methods 0.000 description 3
239000000835 fiber Substances 0.000 description 3
229920005610 lignin Polymers 0.000 description 3
239000000203 mixture Substances 0.000 description 3
239000003960 organic solvent Substances 0.000 description 3
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
229920000297 Rayon Polymers 0.000 description 2
238000006243 chemical reaction Methods 0.000 description 2
230000000052 comparative effect Effects 0.000 description 2
230000007613 environmental effect Effects 0.000 description 2
238000004076 pulp bleaching Methods 0.000 description 2
239000000725 suspension Substances 0.000 description 2
240000000731 Fagus sylvatica Species 0.000 description 1
235000010099 Fagus sylvatica Nutrition 0.000 description 1
229920000433 Lyocell Polymers 0.000 description 1
238000001212 derivatisation Methods 0.000 description 1
239000007788 liquid Substances 0.000 description 1
229910052943 magnesium sulfate Inorganic materials 0.000 description 1
150000002894 organic compounds Chemical class 0.000 description 1
238000001556 precipitation Methods 0.000 description 1
239000012429 reaction media Substances 0.000 description 1
230000035945 sensitivity Effects 0.000 description 1
238000010008 shearing Methods 0.000 description 1
238000009987 spinning Methods 0.000 description 1
239000003381 stabilizer Substances 0.000 description 1
239000007858 starting material Substances 0.000 description 1
238000003756 stirring Methods 0.000 description 1
LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
239000010409 thin film Substances 0.000 description 1
230000001131 transforming effect Effects 0.000 description 1
239000002351 wastewater Substances 0.000 description 1

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
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/50—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs by irradiation or ozonisation

Landscapes

Engineering & Computer Science (AREA)
Textile Engineering (AREA)
Toxicology (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Chemical & Material Sciences (AREA)
Paper (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)
Artificial Filaments (AREA)
Materials For Medical Uses (AREA)
Manufacture Of Macromolecular Shaped Articles (AREA)
Treatments Of Macromolecular Shaped Articles (AREA)

CA002212995A 1995-12-22 1996-12-19 Cellulose moulded body and process for its production Expired - Fee Related CA2212995C (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
ATA2099/95		1995-12-22
AT0209995A AT402827B (de)	1995-12-22	1995-12-22	Celluloseformkörper und verfahren zu seiner herstellung
PCT/AT1996/000257 WO1997023666A1 (de)	1995-12-22	1996-12-19	Celluloseformkörper und verfahren zu seiner herstellung

Publications (2)

Publication Number	Publication Date
CA2212995A1 CA2212995A1 (en)	1997-07-03
CA2212995C true CA2212995C (en)	2006-09-19

Family

ID=3527728

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002212995A Expired - Fee Related CA2212995C (en)	1995-12-22	1996-12-19	Cellulose moulded body and process for its production

Country Status (14)

Country	Link
EP (1)	EP0811086B1 (de)
JP (1)	JP4326023B2 (de)
CN (1)	CN1079848C (de)
AT (2)	AT402827B (de)
AU (1)	AU708427B2 (de)
BR (1)	BR9607326A (de)
CA (1)	CA2212995C (de)
DE (1)	DE59600279D1 (de)
ES (1)	ES2119576T3 (de)
MX (1)	MX9706413A (de)
MY (1)	MY113146A (de)
NO (1)	NO310665B1 (de)
WO (1)	WO1997023666A1 (de)
ZA (1)	ZA9610469B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
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
DE19948401C1 (de) *	1999-10-07	2001-05-03	Alceru Schwarza Gmbh	Verfahren zur Herstellung von Cellulose-Formkörpern
JP4645093B2 (ja) *	2003-08-13	2011-03-09	王子製紙株式会社	漂白パルプの製造方法
DE102004024028B4 (de) *	2004-05-13	2010-04-08	Lenzing Ag	Lyocell-Verfahren und -Vorrichtung mit Presswasserrückführung
CN100359050C (zh) *	2004-11-16	2008-01-02	唐山三友集团化纤有限公司	高白强力细旦粘胶短纤维及其生产工艺
CN1302160C (zh) *	2005-01-04	2007-02-28	陈建旭	一种用植物茎杆生产纤维的方法
SE546340C2 (en) *	2022-02-22	2024-10-08	Ekoligens Ab	Systems and methods for making moulded products from cellulose fibres and moulding agents used in such systems and methods

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL97796C (de) *	1958-05-29
US4416698A (en) *	1977-07-26	1983-11-22	Akzona Incorporated	Shaped cellulose article prepared from a solution containing cellulose dissolved in a tertiary amine N-oxide solvent and a process for making the article
US4246221A (en) *	1979-03-02	1981-01-20	Akzona Incorporated	Process for shaped cellulose article prepared from a solution containing cellulose dissolved in a tertiary amine N-oxide solvent
AU636173B2 (en) *	1989-10-30	1993-04-22	Lenzing Aktiengesellschaft	Method for the chlorine-free bleaching of pulps
AT395028B (de) *	1990-02-07	1992-08-25	Chemiefaser Lenzing Ag	Verfahren zum chlorfreien bleichen von kunstfaserzellstoff
GB9103297D0 (en) *	1991-02-15	1991-04-03	Courtaulds Plc	Fibre production method
SE9301160L (sv) *	1992-08-28	1994-03-01	Sunds Defibrator Ind Ab	Förfarande för behandling av processvatten

1995
- 1995-12-22 AT AT0209995A patent/AT402827B/de not_active IP Right Cessation
1996
- 1996-12-10 MY MYPI96005199A patent/MY113146A/en unknown
- 1996-12-12 ZA ZA9610469A patent/ZA9610469B/xx unknown
- 1996-12-19 MX MX9706413A patent/MX9706413A/es unknown
- 1996-12-19 ES ES96942178T patent/ES2119576T3/es not_active Expired - Lifetime
- 1996-12-19 WO PCT/AT1996/000257 patent/WO1997023666A1/de not_active Ceased
- 1996-12-19 DE DE59600279T patent/DE59600279D1/de not_active Expired - Lifetime
- 1996-12-19 BR BR9607326A patent/BR9607326A/pt not_active IP Right Cessation
- 1996-12-19 AU AU11325/97A patent/AU708427B2/en not_active Ceased
- 1996-12-19 JP JP52314797A patent/JP4326023B2/ja not_active Expired - Lifetime
- 1996-12-19 AT AT96942178T patent/ATE167242T1/de not_active IP Right Cessation
- 1996-12-19 CN CN96193414A patent/CN1079848C/zh not_active Expired - Lifetime
- 1996-12-19 CA CA002212995A patent/CA2212995C/en not_active Expired - Fee Related
- 1996-12-19 EP EP96942178A patent/EP0811086B1/de not_active Expired - Lifetime
1997
- 1997-08-13 NO NO19973720A patent/NO310665B1/no not_active IP Right Cessation

Also Published As

Publication number	Publication date
MX9706413A (es)	1997-11-29
CA2212995A1 (en)	1997-07-03
WO1997023666A1 (de)	1997-07-03
AU1132597A (en)	1997-07-17
ATE167242T1 (de)	1998-06-15
DE59600279D1 (de)	1998-07-16
AT402827B (de)	1997-09-25
MY113146A (en)	2001-11-30
ZA9610469B (en)	1997-06-24
JP4326023B2 (ja)	2009-09-02
EP0811086A1 (de)	1997-12-10
NO310665B1 (no)	2001-08-06
BR9607326A (pt)	1997-12-30
ES2119576T3 (es)	1998-10-01
NO973720D0 (no)	1997-08-13
JPH11501090A (ja)	1999-01-26
HK1018082A1 (en)	1999-12-10
CN1079848C (zh)	2002-02-27
ATA209995A (de)	1997-01-15
CN1182460A (zh)	1998-05-20
AU708427B2 (en)	1999-08-05
EP0811086B1 (de)	1998-06-10
NO973720L (no)	1997-08-13

Legal Events

Date	Code	Title	Description
2001-10-10	EEER	Examination request
2007-12-19	MKLA	Lapsed

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EP3253912B1 (de)	2018-11-21	Recycling von künstlich hergestellten cellulosefasern
KR100834248B1 (ko)	2008-05-30	평균 중합도가 낮은 알칼리성 펄프와 그 제조방법
EP3551790B1 (de)	2023-04-05	Zellulosefasern
US10316467B2 (en)	2019-06-11	Process for pretreating reclaimed cotton fibers to be used in the production of molded bodies from regenerated cellulose
Wilkes	2001	The viscose process
CA2212995C (en)	2006-09-19	Cellulose moulded body and process for its production
EP4144785B1 (de)	2024-04-24	Verfahren zur wiederverwertung von textilabfällen aus zellulose
US20030000662A1 (en)	2003-01-02	Cellulose moulded body and process for its production
US7837916B2 (en)	2010-11-23	Method for manufacturing silicate-containing fiber
EP4320309B1 (de)	2024-10-16	Recycling von mischungen von textilien, die zellulose enthalten
WO2012175815A1 (en)	2012-12-27	Method for bleaching fiber material
US1935129A (en)	1933-11-14	Cellulose fiber of low solution viscosity and process of producing the same
HK1018082B (en)	2002-10-18	Cellulose moulded body and process for its production
US2116210A (en)	1938-05-03	Regenerated cellulose structures and method for preparing same
US1653124A (en)	1927-12-20	Interrelated pulp-refining and viscose process
WO2024180065A1 (en)	2024-09-06	A method of treating regenerated cellulose fiber for textile and non-woven applications
US2065188A (en)	1936-12-22	Manufacture of viscose
SU787521A1 (ru)	1980-12-15	Способ холодного облагораживани сульфатной предгидролизной целлюлозы
KR100472386B1 (ko)	2005-03-08	연속적 알칼리 처리 방법에 의한 셀룰로오스 섬유의제조방법
TH22303A (th)	1996-12-17	เส้นใย ไลโอเซลล์ และกรรมวิธีสำหรับการผลิตของมัน