DE69722657D1 - Vernetzte cellulosefasern, eine faserbahn, ein absorbierendes produkt und verfahren zur erhöhung der festigkeit von zusammensetzungen mit hochbauschigen fasern - Google Patents

Vernetzte cellulosefasern, eine faserbahn, ein absorbierendes produkt und verfahren zur erhöhung der festigkeit von zusammensetzungen mit hochbauschigen fasern

Info

Publication number
DE69722657D1
DE69722657D1 DE69722657T DE69722657T DE69722657D1 DE 69722657 D1 DE69722657 D1 DE 69722657D1 DE 69722657 T DE69722657 T DE 69722657T DE 69722657 T DE69722657 T DE 69722657T DE 69722657 D1 DE69722657 D1 DE 69722657D1
Authority
DE
Germany
Prior art keywords
fibers
floored
compositions
strength
increasing
Prior art date
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
DE69722657T
Other languages
English (en)
Other versions
DE69722657T2 (de
Inventor
A Westland
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.)
Weyerhaeuser Co
Original Assignee
Weyerhaeuser Co
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
Application filed by Weyerhaeuser Co filed Critical Weyerhaeuser Co
Application granted granted Critical
Publication of DE69722657D1 publication Critical patent/DE69722657D1/de
Publication of DE69722657T2 publication Critical patent/DE69722657T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
    • D06M13/192—Polycarboxylic acids; Anhydrides, halides or salts thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
    • D06M13/402—Amides imides, sulfamic acids
    • D06M13/432—Urea, thiourea or derivatives thereof, e.g. biurets; Urea-inclusion compounds; Dicyanamides; Carbodiimides; Guanidines, e.g. dicyandiamides
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters 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
    • 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
    • D21C9/005—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives organic compounds
    • 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
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/16—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
    • D21H11/20—Chemically or biochemically modified fibres
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/02—Natural fibres, other than mineral fibres
    • D06M2101/04—Vegetal fibres
    • D06M2101/06—Vegetal fibres cellulosic
    • 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
    • Y10T428/2907—Staple length fiber with coating or impregnation
    • 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
    • Y10T428/2915—Rod, strand, filament or fiber including textile, cloth or fabric
    • 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
    • Y10T428/2918—Rod, strand, filament or fiber including free carbon or carbide or therewith [not as steel]
    • Y10T428/292—In coating or impregnation
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2369—Coating or impregnation improves elasticity, bendability, resiliency, flexibility, or shape retention of the fabric
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2369—Coating or impregnation improves elasticity, bendability, resiliency, flexibility, or shape retention of the fabric
    • Y10T442/2377—Improves elasticity
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2369—Coating or impregnation improves elasticity, bendability, resiliency, flexibility, or shape retention of the fabric
    • Y10T442/2393—Coating or impregnation provides crease-resistance or wash and wear characteristics
DE69722657T 1996-12-18 1997-12-11 Vernetzte cellulosefasern, eine faserbahn, ein absorbierendes produkt und verfahren zur erhöhung der festigkeit von zusammensetzungen mit hochbauschigen fasern Expired - Fee Related DE69722657T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US768616 1996-12-18
US08/768,616 US5755828A (en) 1996-12-18 1996-12-18 Method and composition for increasing the strength of compositions containing high-bulk fibers
PCT/US1997/022813 WO1998027262A1 (en) 1996-12-18 1997-12-11 Method and composition for increasing the strength of compositions containing high-bulk fibers

Publications (2)

Publication Number Publication Date
DE69722657D1 true DE69722657D1 (de) 2003-07-10
DE69722657T2 DE69722657T2 (de) 2004-05-13

Family

ID=25082999

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69722657T Expired - Fee Related DE69722657T2 (de) 1996-12-18 1997-12-11 Vernetzte cellulosefasern, eine faserbahn, ein absorbierendes produkt und verfahren zur erhöhung der festigkeit von zusammensetzungen mit hochbauschigen fasern

Country Status (6)

Country Link
US (1) US5755828A (de)
EP (1) EP0946810B1 (de)
AT (1) ATE242352T1 (de)
CA (1) CA2273290A1 (de)
DE (1) DE69722657T2 (de)
WO (1) WO1998027262A1 (de)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5998511A (en) * 1994-03-25 1999-12-07 Weyerhaeuser Company Polymeric polycarboxylic acid crosslinked cellulosic fibers
US6184271B1 (en) 1994-03-25 2001-02-06 Weyerhaeuser Company Absorbent composite containing polymaleic acid crosslinked cellulosic fibers
US6471824B1 (en) * 1998-12-29 2002-10-29 Weyerhaeuser Company Carboxylated cellulosic fibers
US6524348B1 (en) 1999-03-19 2003-02-25 Weyerhaeuser Company Method of making carboxylated cellulose fibers and products of the method
US6514384B1 (en) * 1999-03-19 2003-02-04 Weyerhaeuser Company Method for increasing filler retention of cellulosic fiber sheets
US7169293B2 (en) * 1999-08-20 2007-01-30 Uop Llc Controllable space velocity reactor and process
WO2001018303A1 (en) * 1999-09-10 2001-03-15 Nano-Tex, Llc Durable finishes for textiles
US6306234B1 (en) 1999-10-01 2001-10-23 Polymer Group Inc. Nonwoven fabric exhibiting cross-direction extensibility and recovery
US6322665B1 (en) 1999-10-25 2001-11-27 Kimberly-Clark Corporation Reactive compounds to fibrous webs
US6264791B1 (en) * 1999-10-25 2001-07-24 Kimberly-Clark Worldwide, Inc. Flash curing of fibrous webs treated with polymeric reactive compounds
US6689378B1 (en) 1999-12-28 2004-02-10 Kimberly-Clark Worldwide, Inc. Cyclodextrins covalently bound to polysaccharides
US20030101518A1 (en) * 2000-01-18 2003-06-05 Nano-Tex, Llc Hydrophilic finish for fibrous substrates
WO2002067809A2 (en) * 2000-12-07 2002-09-06 Weyerhaeuser Company Distribution layer having improved liquid transfer to a storage layer
US6620293B2 (en) * 2001-04-11 2003-09-16 Rayonier Inc. Crossed-linked pulp and method of making same
US6919447B2 (en) 2001-06-06 2005-07-19 Weyerhaeuser Company Hypochlorite free method for preparation of stable carboxylated carbohydrate products
DE60233494D1 (de) * 2001-06-08 2009-10-08 Basf Se Wasserlösliche strahlungsaktivierbare polymerharze
ATE408726T1 (de) 2001-06-08 2008-10-15 Procter & Gamble Cellulosfasern enthaltend strahlungsaktivierbare harzverbindungen
DE10128448B4 (de) * 2001-06-12 2008-01-24 Abb Patent Gmbh Verfahren zur Diagnose eines Prozessventils
US6841198B2 (en) * 2001-10-18 2005-01-11 Strike Investments, Llc Durable press treatment of fabric
US6989035B2 (en) * 2001-10-18 2006-01-24 The Procter & Gamble Company Textile finishing composition and methods for using same
US7018422B2 (en) 2001-10-18 2006-03-28 Robb Richard Gardner Shrink resistant and wrinkle free textiles
US7169742B2 (en) * 2001-10-18 2007-01-30 The Procter & Gamble Company Process for the manufacture of polycarboxylic acids using phosphorous containing reducing agents
US7008457B2 (en) * 2001-10-18 2006-03-07 Mark Robert Sivik Textile finishing composition and methods for using same
US7144431B2 (en) * 2001-10-18 2006-12-05 The Procter & Gamble Company Textile finishing composition and methods for using same
MXPA04010609A (es) * 2002-04-25 2004-12-13 Weyerhaeuser Co Metodo para elaborar productos de tisu y toalla que contiene fibras celulosicas entrelazadas.
EP1501976A1 (de) * 2002-05-01 2005-02-02 Nano-Tex LLC Hydrophiles veredlungsmittel für fasersubstrate
US20040133439A1 (en) * 2002-08-21 2004-07-08 Dirk Noetzold Method and system for valuation of complex systems, in particular for corporate rating and valuation
US20050028953A1 (en) * 2003-08-05 2005-02-10 Severeid David E. Methods for making carboxylated pulp fibers
US7001483B2 (en) * 2003-08-05 2006-02-21 Weyerhaeuser Company Apparatus for making carboxylated pulp fibers
US7195695B2 (en) * 2003-10-02 2007-03-27 Rayonier Products & Financial Services Company Cross-linked cellulose fibers and method of making same
US7686921B2 (en) * 2006-05-01 2010-03-30 Rayonier Trs Holding Inc. Liquid distribution mat made of enhanced cellulosic fibers
CH699552B1 (de) * 2008-09-16 2012-07-13 Weba Weberei Appenzell Ag Dermatologisch wirksame topische Zusammensetzung, insbesondere zur Prävention und Behandlung von Hautkrankheiten.
FI126458B (fi) * 2009-03-20 2016-12-15 Stora Enso Oyj Kuitujen käsittely muovausta kestäväksi
US8722797B2 (en) * 2009-09-29 2014-05-13 Weyerhaeuser Nr Company Cellulose fibers crosslinked with low molecular weight phosphorous containing polyacrylic acid and method
US11155963B2 (en) 2014-11-21 2021-10-26 Rohm And Haas Company Binder compositions for making crosslinked cellulose fiber
WO2018144309A1 (en) * 2017-01-31 2018-08-09 Kimberly-Clark Worldwide, Inc. High bulk tissue comprising cross-linked fibers
JP7247094B2 (ja) 2017-02-17 2023-03-28 ビーエーエスエフ ソシエタス・ヨーロピア 流体吸収性物品
US20230071802A1 (en) * 2020-02-17 2023-03-09 Essity Hygiene And Health Aktiebolag A ply fibrous product

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3577312A (en) * 1968-02-21 1971-05-04 Conwed Corp Felted fibrous web or batt
US3731411A (en) * 1971-06-11 1973-05-08 Burlington Industries Inc Process for producing durable press textiles
US3776692A (en) * 1972-04-27 1973-12-04 Us Agriculture Recurable crosslinked cellulosic fabrics from methylol reagents and polycarboxylic acids
US5183707A (en) * 1989-11-07 1993-02-02 The Procter & Gamble Cellulose Company Individualized, polycarboxylic acid crosslinked fibers
US5190563A (en) * 1989-11-07 1993-03-02 The Proctor & Gamble Co. Process for preparing individualized, polycarboxylic acid crosslinked fibers
US5137537A (en) * 1989-11-07 1992-08-11 The Procter & Gamble Cellulose Company Absorbent structure containing individualized, polycarboxylic acid crosslinked wood pulp cellulose fibers
US5049235A (en) * 1989-12-28 1991-09-17 The Procter & Gamble Company Poly(methyl vinyl ether-co-maleate) and polyol modified cellulostic fiber
US5308896A (en) * 1992-08-17 1994-05-03 Weyerhaeuser Company Particle binders for high bulk fibers
US5496476A (en) * 1992-12-21 1996-03-05 Ppg Indutstries, Inc. Non-formaldehyde durable press finishing for cellulosic textiles with phosphonoalkylpolycarboxylic acid
US5496477A (en) * 1992-12-21 1996-03-05 Ppg Industries, Inc. Non-formaldehyde durable press finishing for cellulosic textiles with phosphinocarboxylic acid
US5427587A (en) * 1993-10-22 1995-06-27 Rohm And Haas Company Method for strengthening cellulosic substrates
EP0752028B1 (de) * 1994-03-25 2004-05-12 Weyerhaeuser Company Mit voluminösen zellstofffasern hergestellte zellstoffprodukte
US5549791A (en) * 1994-06-15 1996-08-27 The Procter & Gamble Company Individualized cellulosic fibers crosslinked with polyacrylic acid polymers

Also Published As

Publication number Publication date
ATE242352T1 (de) 2003-06-15
EP0946810B1 (de) 2003-06-04
WO1998027262A1 (en) 1998-06-25
EP0946810A1 (de) 1999-10-06
CA2273290A1 (en) 1998-06-25
DE69722657T2 (de) 2004-05-13
US5755828A (en) 1998-05-26

Similar Documents

Publication Publication Date Title
DE69722657D1 (de) Vernetzte cellulosefasern, eine faserbahn, ein absorbierendes produkt und verfahren zur erhöhung der festigkeit von zusammensetzungen mit hochbauschigen fasern
DE59806864D1 (de) Verfahren zur herstellung von faserstoffen mit verbesserten eigenschaften
ATE153395T1 (de) Verfahren zur einführung von zusätzen in faserartige produkte
DE69613754D1 (de) Zusammensetzung und Verfahren zur Papierleimung
ATE258685T1 (de) Makromolekulare mikropartikel und verfahren zur ihrer herstellung
ATE432385T1 (de) Voluminöse zellstofffaser und verfahren zu ihrer herstellung
HUT66516A (en) Curable aqueous composition and process for curing polyacids and method for treating a nonwoven or heat resistant fibers
DE59705333D1 (de) Verfahren zur Herstellung von faserverstärkten Verbundstoffen
ATE271149T1 (de) Verfahren zur verbesserung von polyamid-,acryl-, aramid-,cellulose- und polyestereigenschaften, sowie daraus hergestellte modifizierte polymere
DE69006940T2 (de) Verfahren zur Wärmebehandlung von Glasfaservorformen.
BR9809749A (pt) Fibras com ligação à celulose
DE69819699D1 (de) Verfahren zur Herstellung von multiaxialen Vliesstoffen
DE69312852D1 (de) Verfahren zur Herstellung von auf Pech basierenden aktivierten Kohlenstofffasern
BR9812455A (pt) Processo para colagem de fibras
DE69107866T2 (de) Verfahren zur Hestellung von Vorformen für optische Fasern mit gleichmässigen Eigenschaften.
DE69517937T2 (de) Verfahren zur Herstellung von Fasern für hochfeste Vliesstoffen und daraus hergestellte Fasern und Vliesstoffe
DE69003054D1 (de) Verfahren zur herstellung von szintillierenden optischen fasern und danach hergestellte fasern.
DE69812694D1 (de) Superabsorbierende zusammensetzungen und verfahren zu ihrer herstellung
DE3783675T2 (de) Verfahren zur herstellung von acrylfasern mit hohen fasereigenschaften.
DE59505942D1 (de) Verfahren zur Herstellung von Vliesen aus synthetischen Fasern und deren Verwendung
DE69522742D1 (de) Verfahren zur Herstellung von Kurzfasern
DE69222817D1 (de) Verfahren zur Herstellung von Kohlenstofffasern auf Pechbasis
DE69027709T2 (de) Verfahren zur Herstellung von Fasern mit Verbesserter Hydrolysebeständigkeit.
DE69125346T2 (de) Verfahren zur Herstellung von Kohlenstoffasern mit hoher Faserstrangfestigkeit
DE69507067D1 (de) Verfahren zur Herstellung von hochmolekularen Acrylamidpolymeren

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee