EP2459783A1 - Use of a regenerated cellulose fibre in a flame-retardant product - Google Patents
Use of a regenerated cellulose fibre in a flame-retardant productInfo
- Publication number
- EP2459783A1 EP2459783A1 EP10729914A EP10729914A EP2459783A1 EP 2459783 A1 EP2459783 A1 EP 2459783A1 EP 10729914 A EP10729914 A EP 10729914A EP 10729914 A EP10729914 A EP 10729914A EP 2459783 A1 EP2459783 A1 EP 2459783A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fiber
- flame
- cellulose
- flame retardant
- retardant product
- 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.)
- Withdrawn
Links
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
- D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
-
- 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
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/07—Addition of substances to the spinning solution or to the melt for making fire- or flame-proof filaments
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2501/00—Wearing apparel
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2503/00—Domestic or personal
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2505/00—Industrial
- D10B2505/04—Filters
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2505/00—Industrial
- D10B2505/12—Vehicles
-
- 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
- Y10T428/249921—Web or sheet containing structurally defined element or component
-
- 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
- Y10T428/298—Physical dimension
Definitions
- the present invention relates to the use of a regenerated cellulose fiber, which is obtained by the viscose process, in flame retardant products.
- Flame retardant viscose fibers have many uses such as e.g. in
- Storage height can be used. This leads to a high final price of the fiber due to the high additive costs.
- Equipment of cellulose fibers ie an application to the already finished fiber, such as Proban (THPC) and Pyrovatex ® CP.
- the object of the present invention is to provide a low-cost and effectively effective flame-retardant fiber which is easy to process in the usual textile processes.
- This object is achieved by the use of a regenerated cellulose fiber in which carboxymethylcellulose is incorporated in a flame retardant product.
- CMC carboxymethylcellulose
- Viscose fibers with a content of carboxymethylcellulose are known. It is a mixed fiber, which is obtained by the spinning of carboxymethyl cellulose in the Viskosepinnmasse. Such fibers have also been produced commercially (US 4,199,367 A, US 4,289,824 A).
- a Viskosepinnmasse is prepared by the usual methods.
- An 8-12% by weight solution of carboxymethylcellulose (CMC) is added to the dope immediately prior to spinning so that the desired amount of incorporation relative to underivatized cellulose results.
- Post-processing and drying are carried out by the usual methods.
- the proportion of incorporated carboxymethyl cellulose in the regenerated cellulose fiber is preferably 5% by weight to 50% by weight, more preferably 15% by weight to 40% by weight, most preferably 20% by weight to 30% by weight, based on underivatized cellulose ,
- the carboxymethylcellulose may be a commercial product having a degree of substitution DS of 0.6-1.2, preferably 0.65-0.85 and a viscosity (2% solution, 25 ° C.) of 30-800 mPas; preferably 50-100 mPas.
- the CMC-containing regenerated cellulose fiber used in the present invention will hereinafter also be referred to as "viscose / CMC mixed fiber”.
- the fiber titer of the viscose / CMC mixed fiber is preferably from 0.5 dtex to 8 dtex, more preferably from 1.3 to 6 dtex.
- the fiber length of the viscose / CMC mixed fiber used according to the invention can be from 2 mm to 80 mm and depends in particular on the field of application. For one
- Wetlaidrind are particularly suitable fiber lengths of 2 to 20 mm, for a
- Viscose / CMC blended fiber preferably contains another flame retardant additive.
- This further additive may in particular be selected from the group consisting of halogen-containing additives, phosphorus-containing additives, aluminum and magnesium salts and polysilicic acids.
- the further additive may be incorporated in the fiber in a manner known per se by spinning into the viscose spinning composition (for example in the case of phosphorus-containing
- Additives such as Exolit ® 5060 or be subsequently applied to the fiber (such as in the case of alkaline solutions of an aluminum salt).
- Nonwovens which contain these burn, in contrast to viscose fibers or
- the viscose / CMC blended fibers used according to the invention differ in their properties - in contrast to some previously known flame-retardant viscose fibers Strength and elongation values and also their elasticity is not significantly different from
- CMC additive used for the fibers according to the invention
- the present invention also relates to a flame retardant product containing a regenerated cellulose fiber in which carboxymethyl cellulose is incorporated.
- the flame retardant product according to the invention is preferably characterized in that the proportion of incorporated carboxymethylcellulose in the cellulose fiber is 5% by weight to 50% by weight, preferably 15% by weight to 40% by weight, particularly preferably 20% by weight to 30% by weight. , based on underivatized cellulose.
- the flame retardant product according to the invention may preferably contain the viscose / CMC mixed fiber in a proportion of 10% -100%.
- the flame-retardant product according to the invention is preferably selected from the group consisting of clothing, in particular protective clothing, home textiles, in particular mattresses, automotive textiles, filter materials and insulation material for the building and
- viscose / CMC mixed staple fibers with a proportion of 0% (zero pattern), 12% by weight, 20% by weight and 30% by weight of CMC were used
- underivatized cellulose The fibers were cut to a staple length of 40 mm.
- Rotor rings of 10g were made from the fiber samples.
- the rotor rings were then opened and pressed through a tampon calender.
- the produced tapes have a surface weight of about 238 g / m 2 (206-260 g / m 2 ) at a thickness of about 5 mm.
- For the fire tests specimens of size 8 x 2 cm were cut. The specimens were clamped horizontally or vertically and the free end of the sample was ignited with a Bunsen burner for a defined period of time.
- Viscose fibers with 12% or 20% CMC (according to the invention):
- test piece burns in direct contact with the burner flame. When the flame is removed, however, the sample extinguishes immediately (“self-extinguishing") .In some cases, after removal of the flame, individual fibers protruding out of the test piece burnt out on the surface.
- the flame time was varied from Is - 10s. All samples quenched immediately after removal of the flame. It only increased the proportion burned by prolonged contact with the burner flame.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Artificial Filaments (AREA)
Abstract
The invention relates to the use of a regenerated cellulose fibre into which carboxymethylcellulose has been incorporated in a flame-retardant product.
Description
VERWENDUNG EINER REGENERIERTEN ZELLULOSEFASER USE OF A REGENERATED CELLULOSE FIBER
IN EINEM FLAMMHEMMENDEN PRODUKT IN A FLAME-DILUTING PRODUCT
Die vorliegende Erfindung betrifft die Verwendung einer regenerierten Cellulosefaser, die durch das Viskose verfahren erhalten wird, in flammhemmenden Produkten. The present invention relates to the use of a regenerated cellulose fiber, which is obtained by the viscose process, in flame retardant products.
Flammhemmende Viskose-Fasern haben viele Einsatzgebiete wie z.B. in Flame retardant viscose fibers have many uses such as e.g. in
Sicherheitsbekleidung; Matratzenfüllungen; Innenraum-Stoffen etc. und dienen der allgemeinen Sicherheit. Protective clothing; Mattress stuffing; Interior fabrics, etc. and are for general safety.
Es sind bereits verschiedenste Typen von flammhemmenden Viskosefasern bekannt: Various types of flame-retardant viscose fibers are already known:
Zum einen ist es bekannt, Viskosefasern durch die Einlagerung von Polykieselsäure flammhemmend auszurüsten. Die Einlagerung von Polykieselsäure führt aber zur Bildung von steifen, spröden Fasern, die zwar für Vliesstoffe, nicht aber für textile Anwendungen geeignet sind. On the one hand, it is known to provide viscose fibers flame retardant by the incorporation of polysilicic acid. However, the incorporation of polysilicic acid leads to the formation of stiff, brittle fibers, which are suitable for nonwovens, but not for textile applications.
Unter dem Markennamen Lenzing FR® werden Viskosefasern vermarktet, die durch Under the brand name Lenzing FR ® viscose fibers are marketed by
Einlagerung eines phosphorhaltigen Additivs gewonnen werden. Um mit phosphorhaltigen Additiven einen ausreichenden Flammschutz zu erreichen, muß aber eine große Storage of a phosphorus-containing additive can be obtained. In order to achieve sufficient flame retardancy with phosphorus-containing additives, but a large
Einlagerungshöhe eingesetzt werden. Dies führt aufgrund der hohen Additivkosten zu einem hohen Endpreis der Faser. Storage height can be used. This leads to a high final price of the fiber due to the high additive costs.
Es gibt auch eine Vielzahl von Vorschlägen für eine nachträgliche flammhemmende There are also a variety of proposals for a subsequent flame retardant
Ausrüstung von Cellulosefasern, d.h. eine Aufbringung auf die bereits fertige Faser, wie z.B. Proban (THPC) und Pyrovatex® CP. Equipment of cellulose fibers, ie an application to the already finished fiber, such as Proban (THPC) and Pyrovatex ® CP.
Solcherart nachbehandelte Textilien/Fasern weisen aber nur eine beschränkte Such aftertreated textiles / fibers but have only a limited
Waschbeständigkeit auf. Durch die eingesetzte Vernetzungschemie entstehen Restmengen an Formaldehyd, welches gesundheitlich bedenklich ist. Zudem bewirkt die Wash resistance on. The crosslinking chemistry used produces residual amounts of formaldehyde, which is harmful to health. In addition, the effect
Vernetzungsreaktion eine Versprödung und Versteifung der Fasern/Textilien. Crosslinking reaction embrittlement and stiffening of fibers / textiles.
Die US 3 734 683 beschreibt den flammhemmenden Effekt von cellulosischen Fasern mit höherem Carboxylgruppenanteil durch Herstellung einer Carboxycellulose. Gemäß dieser Druckschrift werden Viskosefasern in einem aufwendigen Verfahren mit Stickstoffdioxid oxidiert und anschließend nachbehandelt. In einem wirtschaftlich sinnvollen Prozeß zur Faserherstellung lässt sich dieses Verfahren nicht umsetzen. Die genannte Oxidation würde
außerdem zu einer Schädigung der Faserstruktur und einer mangelhaften Verarbeitbarkeit führen. US 3,734,683 describes the flame retardant effect of higher carboxyl group content cellulosic fibers by producing a carboxycellulose. According to this publication, viscose fibers are oxidized in a complex process with nitrogen dioxide and then aftertreated. In an economically meaningful process for fiber production, this process can not be implemented. The said oxidation would also lead to damage to the fiber structure and poor processibility.
Die Aufgabe der vorliegenden Erfindung besteht darin, eine kostengünstige und effektiv wirksame flammhemmende Faser zur Verfügung zu stellen, die in den üblichen textilen Prozessen gut verarbeitbar ist. The object of the present invention is to provide a low-cost and effectively effective flame-retardant fiber which is easy to process in the usual textile processes.
Diese Aufgabe wird mit der Verwendung einer regenerierten Cellulosefaser, in welche Carboxymethylcellulose inkorporiert ist, in einem flammhemmenden Produkt, gelöst. This object is achieved by the use of a regenerated cellulose fiber in which carboxymethylcellulose is incorporated in a flame retardant product.
Bevorzugte Ausführungsformen sind in den Unteransprüchen aufgeführt DETALLIERTE BESCHREIBUNG DER ERFINDUNG Preferred embodiments are listed in the subclaims. DETAILED DESCRIPTION OF THE INVENTION
Es hat sich überraschenderweise gezeigt, dass eine regenerierte Cellulosefaser, welche Carboxymethylcellulose (CMC) inkorporiert hat, effektiv flammhemmend wirkt und sowohl vergleichsweise günstig herstellbar als auch gut verarbeitbar ist. It has surprisingly been found that a regenerated cellulose fiber, which has incorporated carboxymethylcellulose (CMC), effectively acts flame retardant and is both relatively inexpensive to produce and easy to process.
Unter der Maßnahme, dass in die Faser Carboxymethylcellulose inkorporiert ist, versteht der Fachmann, dass in die Matrix der (nach Regeneration der Faser) underivatisierten Cellulose CMC eingelagert ist. Dies ist - im Unterschied zu einem Aufbringen von CMC auf die bereits fertige Faser - insbesondere durch Einspinnnen von CMC in die Spinnviskose möglich. Under the measure that incorporated into the fiber carboxymethylcellulose, the skilled worker understands that in the matrix of (after regeneration of the fiber) underivatized cellulose CMC is embedded. This is possible - in contrast to applying CMC to the already finished fiber - in particular by spinning CMC into the spinning viscose.
Viskosefasern mit einem Anteil an Carboxymethylcellulose (CMC) sind bekannt. Es handelt sich dabei um eine Mischfaser, die durch das Einspinnen von Carboxymethylcellulose in die Viskosespinnmasse erhalten wird. Solche Fasern wurden auch kommerziell hergestellt (US 4,199,367 A, US 4,289,824 A). Viscose fibers with a content of carboxymethylcellulose (CMC) are known. It is a mixed fiber, which is obtained by the spinning of carboxymethyl cellulose in the Viskosepinnmasse. Such fibers have also been produced commercially (US 4,199,367 A, US 4,289,824 A).
Beispielsweise wird dazu nach den üblichen Verfahren eine Viskosespinnmasse hergestellt. Der Spinnmasse wird unmittelbar vor dem Ausspinnen eine 8-12 Gew.%ige Lösung von Carboxymethylcellulose (CMC) zugesetzt, so dass sich die gewünschte Einlagerungsmenge bezogen auf underivatisierte Cellulose ergibt. Nachbearbeitung und Trocknung erfolgen nach den üblichen Verfahren.
Der Anteil an inkorporierter Carboxymethylcellulose in der regenerierten Cellulosefaser beträgt bevorzugt 5 Gew.% bis 50 Gew.%, besonders bevorzugt 15 Gew.% bis 40 Gew.%, am meisten bevorzugt 20 Gew.% bis 30 Gew.%, bezogen auf underivatisierte Cellulose. For example, a Viskosepinnmasse is prepared by the usual methods. An 8-12% by weight solution of carboxymethylcellulose (CMC) is added to the dope immediately prior to spinning so that the desired amount of incorporation relative to underivatized cellulose results. Post-processing and drying are carried out by the usual methods. The proportion of incorporated carboxymethyl cellulose in the regenerated cellulose fiber is preferably 5% by weight to 50% by weight, more preferably 15% by weight to 40% by weight, most preferably 20% by weight to 30% by weight, based on underivatized cellulose ,
Die Carboxymethylcellulose kann ein handelsübliches Produkt mit einem Substitutionsgrad DS von 0,6 - 1,2, bevorzugt 0,65 - 0,85 und einer Viskosität (2%ige Lösung; 25°C) von 30- 800 mPas; bevorzugt 50-100 mPas sein. The carboxymethylcellulose may be a commercial product having a degree of substitution DS of 0.6-1.2, preferably 0.65-0.85 and a viscosity (2% solution, 25 ° C.) of 30-800 mPas; preferably 50-100 mPas.
Die erfindungsgemäß verwendete CMC enthaltende regenerierte Cellulosefaser wird im folgenden auch als "Viskose/CMC-Mischfaser" bezeichnet. The CMC-containing regenerated cellulose fiber used in the present invention will hereinafter also be referred to as "viscose / CMC mixed fiber".
Der Fasertiter der Viskose/CMC-Mischfaser beträgt bevorzugt von 0,5 dtex bis 8 dtex, besonders bevorzugt von 1,3 bis 6 dtex. The fiber titer of the viscose / CMC mixed fiber is preferably from 0.5 dtex to 8 dtex, more preferably from 1.3 to 6 dtex.
Die Faserlänge der erfindungsgemäß eingesetzten Viskose/CMC-Mischfaser kann von 2 mm bis 80 mm betragen und hängt insbesondere vom Anwendungsgebiet ab. Für einen The fiber length of the viscose / CMC mixed fiber used according to the invention can be from 2 mm to 80 mm and depends in particular on the field of application. For one
Wetlaidprozess sind insbesondere Faserlängen von 2 bis 20 mm geeignet, für einen Wetlaidprozess are particularly suitable fiber lengths of 2 to 20 mm, for a
Kardierprozess Faserlängen von 20 bis 80 mm. Carding process fiber lengths from 20 to 80 mm.
Bevorzugt enthält Viskose/CMC-Mischfaser ein weiteres flammhemmendes Additiv. Dieses weitere Additiv kann insbesondere aus der Gruppe bestehend aus halogenhaltigen Additiven, phosphorhaltigen Additiven, Aluminium- und Magnesiumsalzen und Polykieselsäuren ausgewählt ist. Das weitere Additiv kann in an sich bekannter Weise durch Einspinnen in die Viskosespinnmasse in der Faser inkorporiert sein (z.B. im Fall von phosphorhaltigen Viscose / CMC blended fiber preferably contains another flame retardant additive. This further additive may in particular be selected from the group consisting of halogen-containing additives, phosphorus-containing additives, aluminum and magnesium salts and polysilicic acids. The further additive may be incorporated in the fiber in a manner known per se by spinning into the viscose spinning composition (for example in the case of phosphorus-containing
Additiven wie z.B. Exolit® 5060) oder nachträglich auf die Faser aufgebracht werden (wie z.B. im Fall von alkalischen Lösungen eines Aluminiumsalzes). Additives such as Exolit ® 5060) or be subsequently applied to the fiber (such as in the case of alkaline solutions of an aluminum salt).
Die erfindungsgemäß eingesetzten Viskose/CMC-Mischfasern, bzw. Textilien oder The viscose / CMC mixed fibers, or textiles or
Vliesstoffe, welche diese enthalten, brennen im Unterschied zu Viskose-Fasern bzw. Nonwovens, which contain these burn, in contrast to viscose fibers or
Produkten aus reinen Viskose-Fasern nach dem Entzünden nicht weiter. Vielmehr verlöscht die Flamme unmittelbar und die Faser glimmt lediglich weiter. Besonders ausgeprägt ist dieser Effekt ab einer Einlagerung ab 20 Gew.% CMC bezogen auf underivatisierte Products made of pure viscose fibers after ignition no further. Rather, the flame extinguishes immediately and the fiber just continues to glow. This effect is particularly pronounced after storage from 20% by weight CMC based on underivatized
Cellulose. Cellulose.
Die erfindungsgemäß eingesetzten Viskose/CMC-Mischfasern Fasern unterscheiden sich aber - im Unterschied zu einigen vorbekannten flammgehemmten Viskosefasern - in ihren
Festigkeits- und Dehnungswerten und auch ihrer Elastizität nicht wesentlich von The viscose / CMC blended fibers used according to the invention, however, differ in their properties - in contrast to some previously known flame-retardant viscose fibers Strength and elongation values and also their elasticity is not significantly different from
herkömmlichen Viskosefasern und lassen sich somit genauso verarbeiten wie diese. conventional viscose fibers and can thus be processed just like these.
Das für die erfindungsgemäßen Fasern eingesetzte Additiv (CMC) ist gesundheitlich unbedenklich und wird sogar als Lebensmitteladditiv verwendet. Eine Versprödung und Versteifung der Fasern findet nicht statt. Der flammhemmende Effekt ist unbegrenzt waschbeständig. The additive used for the fibers according to the invention (CMC) is harmless to health and is even used as a food additive. Embrittlement and stiffening of the fibers does not take place. The flame-retardant effect is indefinitely washable.
Dementsprechend betrifft die vorliegende Erfindung auch ein flammhemmendes Produkt, enthaltend eine regenerierte Cellulosefaser, in welcher Carboxymethylcellulose inkorporiert ist. Accordingly, the present invention also relates to a flame retardant product containing a regenerated cellulose fiber in which carboxymethyl cellulose is incorporated.
Das erfindungsgemäße flammhemmende Produkt ist bevorzugt dadurch gekennzeichnet, dass der Anteil an inkorporierter Carboxymethylcellulose in der Cellulosefaser 5 Gew.% bis 50 Gew.%, bevorzugt 15 Gew.% bis 40 Gew.%, besonders bevorzugt 20 Gew.% bis 30 Gew.%, bezogen auf underivatisierte Cellulose beträgt. The flame retardant product according to the invention is preferably characterized in that the proportion of incorporated carboxymethylcellulose in the cellulose fiber is 5% by weight to 50% by weight, preferably 15% by weight to 40% by weight, particularly preferably 20% by weight to 30% by weight. , based on underivatized cellulose.
Das erfmdungsgemäße flammhemmende Produkt kann bevorzugt die Viskose/CMC- Mischfaser in einem Anteil von 10% - 100% enthalten. The flame retardant product according to the invention may preferably contain the viscose / CMC mixed fiber in a proportion of 10% -100%.
Das erfindungsgemäße flammhemmende Produkt ist bevorzugt aus der Gruppe bestehend aus Bekleidung, insbesondere Schutzbekleidung, Heimtextilien, insbesondere Matratzen, Automobiltextilien, Filtermaterialien und Isolationsmaterial für den Bau- und The flame-retardant product according to the invention is preferably selected from the group consisting of clothing, in particular protective clothing, home textiles, in particular mattresses, automotive textiles, filter materials and insulation material for the building and
Automobilbereich ausgewählt. Automotive sector selected.
BEISPIELE: EXAMPLES:
Es wurden auf an sich bekannte Weise Viskose/CMC-Mischstapelfasern mit einem Anteil von 0% (Nullmuster), 12 Gew.%, 20 Gew.% und 30 Gew.% CMC bezogen auf In a manner known per se, viscose / CMC mixed staple fibers with a proportion of 0% (zero pattern), 12% by weight, 20% by weight and 30% by weight of CMC were used
underivatisierte Cellulose hergestellt. Die Fasern wurden auf eine Stapellänge von 40 mm geschnitten. underivatized cellulose. The fibers were cut to a staple length of 40 mm.
Aus den Faserproben wurden Rotorringe zu je 10g hergestellt. Die Rotorringe wurden anschließend geöffnet und durch einen Tamponkalander verpresst. Die hergestellten Bänder haben ein Flächengewicht von ca. 238g/m2 (206 - 260 g/m2) bei einer Dicke von ca. 5mm.
Für die Brandtests wurden Prüflinge der Größe 8 x 2 cm geschnitten. Die Prüfkörper wurden horizontal oder vertikal eingespannt und das freie Ende der Probe mit einem Bunsenbrenner für einen definierten Zeitraum beflammt. Rotor rings of 10g each were made from the fiber samples. The rotor rings were then opened and pressed through a tampon calender. The produced tapes have a surface weight of about 238 g / m 2 (206-260 g / m 2 ) at a thickness of about 5 mm. For the fire tests specimens of size 8 x 2 cm were cut. The specimens were clamped horizontally or vertically and the free end of the sample was ignited with a Bunsen burner for a defined period of time.
Ergebnisse: Results:
Herkömmliche Viskosefaser (0% CMC): Conventional viscose fiber (0% CMC):
Die Muster entzündeten sich bereits bei Is Beflammzeit und brannten anschließend mit lebhafter Flamme bis zur vollständigen Verbrennung weiter. The patterns were already inflamed at Is Flaming Time and then burned with a lively flame until complete combustion.
Viskosefasern mit 12% bzw. 20% CMC (erfindungsgemäß): Viscose fibers with 12% or 20% CMC (according to the invention):
Der Prüfkörper verbrennt bei direktem Kontakt mit der Brennerflamme. Bei Wegnahme der Flamme verlöscht die Probe aber sofort („selbstverlöschend"). In einigen Fällen brannten nach Wegnahme der Flamme noch locker aus dem Prüfkörper herausstehend Einzelfasern an der Oberfläche ab. The test piece burns in direct contact with the burner flame. When the flame is removed, however, the sample extinguishes immediately ("self-extinguishing") .In some cases, after removal of the flame, individual fibers protruding out of the test piece burnt out on the surface.
Die Beflammzeit wurde von Is - 10s variiert. Alle Proben verlöschten unmittelbar nach Wegnahme der Flamme. Es erhöhte sich lediglich der verbrannte Anteil durch längeren Kontakt mit der Brennerflamme. The flame time was varied from Is - 10s. All samples quenched immediately after removal of the flame. It only increased the proportion burned by prolonged contact with the burner flame.
Alle Proben glimmten nach dem Verlöschen nach. So kam es in allen Fällen zu einer langsamen vollständigen Veraschung der Prüfkörper.
All samples smoldered after extinguishing. Thus, in all cases, slow complete ashing of the specimens occurred.
Claims
1. Verwendung einer regenerierten Cellulosefaser, in welche Carboxymethylcellulose inkorporiert ist, in einem flammhemmenden Produkt. Use of a regenerated cellulose fiber incorporating carboxymethyl cellulose in a flame retardant product.
2. Verwendung gemäß Anspruch 1, dadurch gekennzeichnet, dass der Anteil an inkorporierter Carboxymethylcellulose in der Cellulosefaser 5 Gew.% bis 50 Gew.%, bevorzugt 15 Gew.% bis 40 Gew.%, besonders bevorzugt 20 Gew.% bis 30 Gew.%, bezogen auf underivatisierte Cellulose beträgt. 2. Use according to claim 1, characterized in that the proportion of incorporated carboxymethylcellulose in the cellulose fiber 5 wt.% To 50 wt.%, Preferably 15 wt.% To 40 wt.%, Particularly preferably 20 wt.% To 30 wt. %, based on underivatized cellulose.
3. Verwendung gemäß Anspruch 1 oder 2, dadurch gekennzeichnet dass der Fasertiter der Cellulosefaser zwischen 0,5 dtex und 8 dtex, bevorzugt zwischen 1,3 und 6 dtex liegt. 3. Use according to claim 1 or 2, characterized in that the fiber titer of the cellulose fiber is between 0.5 dtex and 8 dtex, preferably between 1.3 and 6 dtex.
4. Verwendung gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet dass die Faserlänge der Cellulosefaser von 2 mm bis 80 mm beträgt. 4. Use according to one of the preceding claims, characterized in that the fiber length of the cellulose fiber is from 2 mm to 80 mm.
5. Verwendung gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Faser ein weiteres flammhemmendes Additiv enthält. 5. Use according to one of the preceding claims, characterized in that the fiber contains a further flame retardant additive.
6. Verwendung gemäß Anspruch 5, dadurch gekennzeichnet, dass das weitere flammhemmende Additiv aus der Gruppe bestehend aus halogenhaltigen Additiven, phosphorhaltigen Additiven, Aluminium- und Magnesiumsalzen und Polykieselsäuren ausgewählt ist. 6. Use according to claim 5, characterized in that the further flame-retardant additive is selected from the group consisting of halogen-containing additives, phosphorus-containing additives, aluminum and magnesium salts and polysilicic acids.
7. Flammhemmendes Produkt, enthaltend eine regenerierte Cellulosefaser, in welcher Carboxymethylcellulose inkorporiert ist. A flame retardant product containing a regenerated cellulose fiber in which carboxymethyl cellulose is incorporated.
8. Flammhemmendes Produkt gemäß Anspruch 7, dadurch gekennzeichnet, dass der Anteil an inkorporierter Carboxymethylcellulose in der Cellulosefaser 5 Gew.% bis 50 Gew.%, bevorzugt 15 Gew.% bis 40 Gew.%, besonders bevorzugt 20 Gew.% bis 30 Gew.%, bezogen auf underivatisierte Cellulose beträgt. 8. Flame retardant product according to claim 7, characterized in that the proportion of incorporated carboxymethyl cellulose in the cellulose fiber 5 wt.% To 50 wt.%, Preferably 15 wt.% To 40 wt.%, Particularly preferably 20 wt.% To 30 wt .%, Based on underivatized cellulose.
9. Flammhemmendes Produkt gemäß einem der Ansprüche 7 oder 8, dadurch gekennzeichnet, dass es die regenerierte Cellulosefaser in einem Anteil von 10% - 100% enthält. 9. Flame retardant product according to any one of claims 7 or 8, characterized in that it contains the regenerated cellulose fiber in a proportion of 10% - 100%.
10. Flammhemmendes Produkt gemäß einem der Ansprüche 7 bis 9, ausgewählt aus der Gruppe bestehend aus Bekleidung, insbesondere Schutzbekleidung, Heimtextilien, insbesondere Matratzen, Automobiltextilien, Filtermaterialien und Isolationsmaterial für den Bau- und Automobilbereich. 10. Flame-retardant product according to one of claims 7 to 9, selected from the group consisting of clothing, in particular protective clothing, home textiles, in particular mattresses, automotive textiles, filter materials and insulation material for the construction and automotive sector.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10729914A EP2459783A1 (en) | 2009-07-31 | 2010-07-09 | Use of a regenerated cellulose fibre in a flame-retardant product |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20090450141 EP2280100A1 (en) | 2009-07-31 | 2009-07-31 | Use of a regenerated cellulose fibre in a flame-retarded product |
PCT/EP2010/059867 WO2011012422A1 (en) | 2009-07-31 | 2010-07-09 | Use of a regenerated cellulose fibre in a flame-retardant product |
EP10729914A EP2459783A1 (en) | 2009-07-31 | 2010-07-09 | Use of a regenerated cellulose fibre in a flame-retardant product |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2459783A1 true EP2459783A1 (en) | 2012-06-06 |
Family
ID=41449272
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20090450141 Withdrawn EP2280100A1 (en) | 2009-07-31 | 2009-07-31 | Use of a regenerated cellulose fibre in a flame-retarded product |
EP10729914A Withdrawn EP2459783A1 (en) | 2009-07-31 | 2010-07-09 | Use of a regenerated cellulose fibre in a flame-retardant product |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20090450141 Withdrawn EP2280100A1 (en) | 2009-07-31 | 2009-07-31 | Use of a regenerated cellulose fibre in a flame-retarded product |
Country Status (7)
Country | Link |
---|---|
US (1) | US20120219784A1 (en) |
EP (2) | EP2280100A1 (en) |
JP (1) | JP2013501150A (en) |
KR (1) | KR20120065339A (en) |
CN (1) | CN102639768A (en) |
CA (1) | CA2767932A1 (en) |
WO (1) | WO2011012422A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011101321A1 (en) * | 2011-05-12 | 2012-11-15 | Glanzstoff Bohemia S.R.O. | Flame-retardant cellulose regenerated filament fibers and process for its preparation |
CN104357935B (en) * | 2014-11-13 | 2016-04-06 | 山西瑞赛格纺织科技有限公司 | A kind of composite flame-retardant agent slurry for regenerated celulose fibre |
CN105603555B (en) * | 2016-02-02 | 2017-11-10 | 九江消防装备有限公司 | A kind of bio-based composite flame-proof material and preparation method and application |
CN111172615A (en) * | 2020-01-20 | 2020-05-19 | 天津科技大学 | Flame-retardant nano-cellulose composite fiber prepared by wet spinning and preparation process thereof |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2805176A (en) * | 1952-09-10 | 1957-09-03 | Robert S Robe | Fireproofing regenerated cellulose |
US3734683A (en) | 1970-04-23 | 1973-05-22 | Int Paper Co | Flameproofing of cellulose |
DE2311180C3 (en) * | 1973-03-07 | 1982-02-25 | Chemiefaser Lenzing AG, 4860 Lenzing, Oberösterreich | Process for the production of flame-retardant regenerated cellulose fibers |
US4156663A (en) * | 1974-05-18 | 1979-05-29 | Kanebo, Ltd. | Flame resistant polymer composition containing phosphorus and bromine containing polymer |
JPS5242913A (en) * | 1975-10-02 | 1977-04-04 | Mitsubishi Rayon Co Ltd | Process for producing flameproofing regenerated cellulose fibers |
US4199367A (en) | 1975-11-07 | 1980-04-22 | Avtex Fibers Inc. | Alloy rayon |
US4289824A (en) | 1977-04-22 | 1981-09-15 | Avtex Fibers Inc. | High fluid-holding alloy rayon fiber mass |
JPS569418A (en) * | 1979-07-06 | 1981-01-30 | Avtex Fibers Inc | Alloy rayon fiber with high fluid holding property |
JP3881694B2 (en) * | 1995-07-05 | 2007-02-14 | レンツィング アクチェンゲゼルシャフト | Flame retardant regenerated cellulose |
EP1918431A4 (en) * | 2005-08-26 | 2009-11-25 | Daiwa Spinning Co Ltd | Flameproof rayon fiber and process for production thereof |
CN101597806B (en) * | 2008-06-06 | 2011-07-27 | 北京化工大学 | Fire resistant viscose acetal fibre spinning solution and preparation method thereof |
EP2280098A1 (en) * | 2009-07-31 | 2011-02-02 | Kelheim Fibres GmbH | Regenerated cellulose fibre |
-
2009
- 2009-07-31 EP EP20090450141 patent/EP2280100A1/en not_active Withdrawn
-
2010
- 2010-07-09 CA CA 2767932 patent/CA2767932A1/en not_active Abandoned
- 2010-07-09 JP JP2012522073A patent/JP2013501150A/en active Pending
- 2010-07-09 CN CN2010800341913A patent/CN102639768A/en active Pending
- 2010-07-09 US US13/387,270 patent/US20120219784A1/en not_active Abandoned
- 2010-07-09 KR KR20127005141A patent/KR20120065339A/en not_active Application Discontinuation
- 2010-07-09 EP EP10729914A patent/EP2459783A1/en not_active Withdrawn
- 2010-07-09 WO PCT/EP2010/059867 patent/WO2011012422A1/en active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2011012422A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP2013501150A (en) | 2013-01-10 |
CA2767932A1 (en) | 2011-02-03 |
KR20120065339A (en) | 2012-06-20 |
EP2280100A1 (en) | 2011-02-02 |
WO2011012422A1 (en) | 2011-02-03 |
US20120219784A1 (en) | 2012-08-30 |
CN102639768A (en) | 2012-08-15 |
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