EP1133596B1 - Waterproofing agents for textile finishing - Google Patents
Waterproofing agents for textile finishing Download PDFInfo
- Publication number
- EP1133596B1 EP1133596B1 EP99959286A EP99959286A EP1133596B1 EP 1133596 B1 EP1133596 B1 EP 1133596B1 EP 99959286 A EP99959286 A EP 99959286A EP 99959286 A EP99959286 A EP 99959286A EP 1133596 B1 EP1133596 B1 EP 1133596B1
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- EP
- European Patent Office
- Prior art keywords
- weight
- textiles
- composition
- carbon atoms
- hydrophobicizing
- 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.)
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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
- D06M13/188—Monocarboxylic 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
- D06M13/10—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
- D06M13/12—Aldehydes; Ketones
- D06M13/127—Mono-aldehydes, e.g. formaldehyde; Monoketones
-
- 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
- D06M13/165—Ethers
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- 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
- D06M13/224—Esters of carboxylic acids; Esters of carbonic acid
-
- 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
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/10—Repellency against liquids
- D06M2200/12—Hydrophobic properties
Definitions
- the present application relates to hydrophobizing agents for textile finishing, a process for the hydrophobic finishing of textiles and the use of certain fatty substances as Water repellents.
- Hydrophobing agents are generally used to make textiles hydrophobic Based on polysiloxanes, fluorocarbons or mixtures of aluminum or Zirconium salts with paraffins used (see “Handbook of Textile Aids", A. Chwala, V. Anger, Verlag Chemie, New York 1977, Chapter 3.24 "Phobierstoff", page 735 ff).
- the hydrophobic finishing of textiles, especially in weather protection clothing, serves to make them either water-repellent or water-impermeable.
- the Hydrophobing agent is applied to the fibers of the textiles and is arranged there so that the hydrophobic parts of the molecule are perpendicular to the fiber surface. That way the striving of the water to spread over the entire area is greatly diminished.
- aqueous emulsions for waterproofing textiles discloses a wax in combination with amine soaps in the form of an oil-in-water emulsion of saturated fatty acids and water-soluble nonionic surfactants as well as of aqueous Contain zirconium salt solutions.
- US 3,180,750 describes aqueous agents for Waterproofing of textiles containing oxidized polymeric waxes and fat ketones have to. From US 2,759,851 it is known that aqueous wax dispersions, the amine salts and aluminum salts of aliphatic monocarboxylic acids and salts of aliphatic monocarboxylic acids with zircon are suitable for making textiles waterproof.
- a hydrophobizing agent for textile equipment claimed which is in the form of an aqueous emulsion containing a zirconium salt Contains combination with a fatty substance which is selected from the group of branched or unbranched, symmetrical or asymmetrical dialkyl ethers with a total of 8 to 44 carbon atoms.
- Zirconium acetate is particularly preferred.
- the fatty substances are known alkyl ethers of the general formula R 1 -OR 2 , where R 1 and R 2 each represent alkyl radicals having 1 to 22 carbon atoms. The total number of carbon atoms in the molecule is 8 to 44. Both symmetrical ethers, ie R 1 and R 2 are identical, or unsymmetrical ethers (R 1 ⁇ R 2 ) can be used.
- the alkyl radicals R 1 and R 2 can be saturated, unsaturated, branched or unbranched. Those ethers whose radicals R 1 or R 2 have a C chain length of 10 to 22 are particularly preferred.
- the total carbon number of the ethers is preferably 20 to 44.
- Preferred ethers are, for example, dibehenyl ether, distearyl ether, dipalmityl ether or dimyristyl ether.
- An example of an unsymmetrical ether is ethylhexyleicosyl ether.
- the ethers can be prepared by all known technical processes.
- the water repellents according to the invention are preferably in the form of an aqueous Emulsion before. Water is then contained in amounts between 10 and 90% by weight.
- the compositions preferably contain 30 to 80% by weight and in particular 40 to 60% by weight.
- the zirconium salts are generally in amounts of 1 to 20 wt .-%, preferably in Contain amounts of 5 to 15 wt .-% and in particular in amounts of 5 to 10 wt .-%.
- the Alkyl ethers are preferably contained in the agent in amounts of 10 to 95% by weight, in particular in amounts of 15 to 60% by weight and particularly preferably in amounts of 10 to 30% by weight.
- the agents can include other salts and alkyl ethers contain suitable ingredients, especially emulsifiers, but also anti-slip agents, Wet fastness improvers, grip products, plasticizers, solvents, for example Ethanol, n-propanol or i-propanol and pH regulators, such as organic acids or bases.
- the pH of the aqueous emulsions is in the acidic range, and is preferably less than 4.5 and in particular it is in the range from 2.0 to 3.5.
- the auxiliary substances are in minor amounts between 0.5 and 5 wt .-% before. Usually contain the agents according to the invention total of such auxiliaries in amounts of at most 10% by weight.
- the agents according to the invention are produced in a manner known per se by the Raw materials mixed with water, heated to temperatures between 40 and 90 ° C and homogenized. Average particle sizes of less than 250 nm should be achieved. The average particle sizes are preferably in the range from 100 to 200 nm Cooling can be used without further treatment.
- the agents according to the invention are suitable for hydrophobic finishing of textiles made of synthetic or natural fibers, especially for Cotton textiles.
- a method for the hydrophobic finishing of textiles claimed appropriately according to the above description means Applied textiles. Furthermore, the use of these agents for the hydrophobic finishing of Textiles claimed.
- the agents were prepared as follows: The raw materials were presented, heated to 85 ° C and homogenized. The agents were then cooled to 20 ° C.
- the agents had pH values in the range from 2.8 to 3.0.
- the particle size was in the range from 200 to 250 nm.
- the Schopper test was carried out in accordance with DIN EN 20811: test fabric 100% CO (approx. 300 g / m 2 ), equipped with 150 g / l emulsion. Fleet intake 86%. Drying at 140 ° C.
- the friction resistance was tested with a continuous runner with 120 g / 1 liquor, 5 bar pressure and a speed of 20 m / minute.
- the friction resistance was interrupted when deposits on the paddle roller were recognizable: medium Time for deposits to appear in minutes A 15 1 > 20 2 > 20 3 14 4 15
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
- Colloid Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
Die vorliegende Anmeldung betrifft Hydrophobiermittel für die Textilausrüstung, ein Verfahren zur hydrophoben Ausrüstung von Textilien und die Verwendung bestimmter Fettstoffe als Hydrophobiermittel.The present application relates to hydrophobizing agents for textile finishing, a process for the hydrophobic finishing of textiles and the use of certain fatty substances as Water repellents.
Zur hydrophoben Ausrüstung von Textilien werden in der Regel Hydrophobierungsmittel auf Basis von Polysiloxanen, Fluorkohlenwasserstoffen oder Mischungen von Aluminium- oder Zirkonsalzen mit Paraffinen eingesetzt (vergleiche dazu "Handbuch der Textilhilfsmittel", A. Chwala, V. Anger, Verlag Chemie, New York 1977, Kapitel 3.24 "Phobiermittel", Seite 735 ff). Die hydrophobe Ausrüstung von Textilien, insbesondere bei Wetterschutzbekleidung, dient dazu, diese entweder wasserabweisend oder wasserundurchlässig zu machen. Das Hydrophobiermittel wird auf die Fasern der Textilien aufgebracht und ordnet sich dort so an, daß die hydrophoben Molekülteile senkrecht zur Faseroberfläche stehen. Auf diese Weise wird das Bestreben des Wassers, sich über die ganze Fläche auszubreiten stark herabgesetzt. Das Wasser nimmt aufgrund der Kohäsionskräfte die Kugelform an und perlt von der Textiloberfläche ab.Hydrophobing agents are generally used to make textiles hydrophobic Based on polysiloxanes, fluorocarbons or mixtures of aluminum or Zirconium salts with paraffins used (see "Handbook of Textile Aids", A. Chwala, V. Anger, Verlag Chemie, New York 1977, Chapter 3.24 "Phobiermittel", page 735 ff). The hydrophobic finishing of textiles, especially in weather protection clothing, serves to make them either water-repellent or water-impermeable. The Hydrophobing agent is applied to the fibers of the textiles and is arranged there so that the hydrophobic parts of the molecule are perpendicular to the fiber surface. That way the striving of the water to spread over the entire area is greatly diminished. The Due to the cohesive forces, water takes on the spherical shape and bubbles from it Textile surface.
In der US 2,635,055 werden wässrige Emulsionen zur Wasserfestausrüstung von Textilien offenbart, die in Form einer Öl-in-Wasser Emulsion ein Wachs in Kombination mit Aminseifen von gesättigten Fettsäuren und wasserlöslichen nichtionischen Tensiden sowie von wässrigen Zirkonsalzlösungen enthalten. Die US 3,180,750 beschreibt wässrige Mittel zur Wasserfestausrüstung von Textilien, die oxidierte polymere Wachse und Fettketone enthalten müssen. Aus der US 2,759,851 ist bekannt, dass wässrige Wachsdispersionen, die Aminsalze und Aluminiumsalze von aliphatischen Monocarbonsäuren enthalten sowie Salze von aliphatischen Monocarbonsäuren mit Zirkon geeignet sind, Textilien wasserfest auszurüsten. Obwohl die im Stand der Technik beschriebene Hydrophobiermittel, insbesondere die zirkonsalzhaltigen Paraffinemulsionen, wie sie zum Beispiel in der DD-A1-218 564 beschrieben werden, eine ausreichende Hydrophobierung von textilen Flächengebilden ermöglichen, besteht das Problem, dass derartige Mittel nicht oder nicht ausreichend biologisch abbaubar sind. Außerdem beobachtet man bei der Auftragung solcher Paraffinemulsionen über einen Foulard nach längere Laufzeit auf den Foulardwalzen Paraffinablagerungen, die eine Reinigung der Walzen und somit eine kostenintensive Unterbrechung des Produktionsverfahrens notwendig machen. Es bestand daher Bedarf, hydrophobierende Zusammensetzungen bereitzustellen, die allen anwendungstechnischen Anforderungen der Textilindustrie entsprechen - insbesondere keine oder nur geringe Ablagerungen auf den Maschinenteilen hervorrufen und zugleich biologisch abbaubar sind. In US 2,635,055 aqueous emulsions for waterproofing textiles discloses a wax in combination with amine soaps in the form of an oil-in-water emulsion of saturated fatty acids and water-soluble nonionic surfactants as well as of aqueous Contain zirconium salt solutions. US 3,180,750 describes aqueous agents for Waterproofing of textiles containing oxidized polymeric waxes and fat ketones have to. From US 2,759,851 it is known that aqueous wax dispersions, the amine salts and aluminum salts of aliphatic monocarboxylic acids and salts of aliphatic monocarboxylic acids with zircon are suitable for making textiles waterproof. Although the hydrophobicizing agent described in the prior art, in particular the zirconium salt-containing paraffin emulsions, as described, for example, in DD-A1-218 564 Adequate hydrophobization of textile fabrics are described enable, there is the problem that such agents are not or not sufficiently biological are degradable. In addition, one observes when applying such paraffin emulsions a foulard after a long running time on the foulard rollers, paraffin deposits, the one Cleaning the rollers and thus a costly interruption of the Make the production process necessary. There was therefore a need to make water repellent To provide compositions that meet all the application requirements of the Textile industry correspond - especially no or only slight deposits on the Cause machine parts and at the same time are biodegradable.
Es wurde gefunden, dass eine Kombination aus Zirkonsalzen mit bestimmten Fettstoffen zu Hydrophobiermitteln führt, die in Bezug auf die Ausrüstung vergleichbare Werte wie die an sich bekannten Paraffin-Emulsionen liefern, gleichzeitig aber auch die Anforderungen nach biologischer Abbaubarkeit erfüllen. Weiterhin ist die Tendenz zur Bildung von Ablagerungen auf Maschinenteilen während der Applikation der Mittel verringert.It has been found that a combination of zirconium salts with certain fatty substances increases Hydrophobing agents that have comparable values in terms of equipment to that known paraffin emulsions, but also meet the requirements biodegradability. There is also a tendency to form deposits reduced on machine parts during the application of the agents.
In einer ersten Ausführungsform wird ein Hydrophobiermittel für die Textilausrüstung beansprucht, welches in Form einer wässrigen Emulsion vorliegt, die ein Zirkonsalz in Kombination mit einem Fettstoff enthält, der ausgewählt ist aus der Gruppe der verzweigten oder unverzweigten, symmetrischen oder unsymmetrischen Dialkylethern mit insgesamt 8 bis 44 C-Atomen.In a first embodiment, a hydrophobizing agent for textile equipment claimed, which is in the form of an aqueous emulsion containing a zirconium salt Contains combination with a fatty substance which is selected from the group of branched or unbranched, symmetrical or asymmetrical dialkyl ethers with a total of 8 to 44 carbon atoms.
Als Zirkonsalze können alle im Stand der Technik bekannten Verbindungen verwendet werden. Zirkonacetat ist aber besonders bevorzugt.All compounds known in the prior art can be used as zirconium salts. Zirconium acetate is particularly preferred.
Bei den Fettstoffen handelt es sich um an sich bekannte Alkylether der allgemeinen Formel R1-O-R2, wobei R1und R2 jeweils für Alkylreste mit 1 bis 22 C-Atomen stehen. Die Gesamtzahl an C-Atomen im Molekül beträgt 8 bis 44. Es können sowohl symmetrische Ether, d.h. R1 und R2 sind identisch, oder unsymmetrische Ether (R1 ≠ R2) eingesetzt werden. Die Alkylreste R1 und R2 können gesättigt, ungesättigt, verzweigt oder unverzweigt sein. Besonders bevorzugt sind solche Ether, deren Reste R1 bzw. R2 eine C-Kettenlänge von 10 bis 22 aufweisen. Die Gesamtkohlenstoffzahl der Ether liegt vorzugsweise bei 20 bis 44. Bevorzugte Ether sind beispielsweise Dibehenylether, Distearylether, Dipalmitylether oder Dimyristylether. Als Beispiel für einen unsymmetrischen Ether sei der Ethylhexyleicosylether genannt. Die Ether können nach allen bekannten technischen Verfahren hergestellt werden. The fatty substances are known alkyl ethers of the general formula R 1 -OR 2 , where R 1 and R 2 each represent alkyl radicals having 1 to 22 carbon atoms. The total number of carbon atoms in the molecule is 8 to 44. Both symmetrical ethers, ie R 1 and R 2 are identical, or unsymmetrical ethers (R 1 ≠ R 2 ) can be used. The alkyl radicals R 1 and R 2 can be saturated, unsaturated, branched or unbranched. Those ethers whose radicals R 1 or R 2 have a C chain length of 10 to 22 are particularly preferred. The total carbon number of the ethers is preferably 20 to 44. Preferred ethers are, for example, dibehenyl ether, distearyl ether, dipalmityl ether or dimyristyl ether. An example of an unsymmetrical ether is ethylhexyleicosyl ether. The ethers can be prepared by all known technical processes.
Die erfindungsgemäßen Hydrophobiermittel liegen vorzugsweise in Form einer wäßrigen Emulsion vor. Wasser ist dann in Mengen zwischen 10 und 90 Gew.-% enthalten. Vorzugsweise enthalten die Mittel 30 bis 80 Gew.-% und insbesondere 40 bis 60 Gew.-% Wasser. Die Zirkonsalze sind in der Regel in Mengen von 1 bis 20 Gew.-%, vorzugsweise in Mengen von 5 bis 15 Gew.-% und insbesondere in Mengen von 5 bis 10 Gew.-% enthalten. Die Alkylether sind in den Mittel vorzugsweise in Mengen von 10 bis 95 Gew.-% enthalten, insbesondere in Mengen von 15 bis 60 Gew.-% und besonders bevorzugt in Mengen von 10 bis 30 Gew.-%.The water repellents according to the invention are preferably in the form of an aqueous Emulsion before. Water is then contained in amounts between 10 and 90% by weight. The compositions preferably contain 30 to 80% by weight and in particular 40 to 60% by weight. Water. The zirconium salts are generally in amounts of 1 to 20 wt .-%, preferably in Contain amounts of 5 to 15 wt .-% and in particular in amounts of 5 to 10 wt .-%. The Alkyl ethers are preferably contained in the agent in amounts of 10 to 95% by weight, in particular in amounts of 15 to 60% by weight and particularly preferably in amounts of 10 to 30% by weight.
Sofern es notwendig ist, können die Mittel neben den Salzen und den Alkylethern noch weitere geeignete Inhaltsstoffe enthalten, insbesondere Emulgatoren, aber auch Schiebefestmittel, Naßechtheitsverbesserer, griffgebende Produkte, Weichmacher, Lösungsmittel, beispielsweise Ethanol, n-Propanol oder i-Propanol und pH-Regulantien, wie organische Säuren oder Basen. Der pH-Wert der wäßrigen Emulsionen liegt im sauren Bereich, vorzugsweise ist er kleiner als 4,5 und insbesondere liegt er im Bereich von 2,0 bis 3,5. Die Hilfsstoffe liegen in untergeordneten Mengen zwischen 0,5 und 5 Gew.-% vor. In der Regel enthalten die erfindungsgemäßen Mittel derartige Hilfsstoffe insgesamt in Mengen von maximal 10 Gew.-%.If necessary, the agents can include other salts and alkyl ethers contain suitable ingredients, especially emulsifiers, but also anti-slip agents, Wet fastness improvers, grip products, plasticizers, solvents, for example Ethanol, n-propanol or i-propanol and pH regulators, such as organic acids or bases. The pH of the aqueous emulsions is in the acidic range, and is preferably less than 4.5 and in particular it is in the range from 2.0 to 3.5. The auxiliary substances are in minor amounts between 0.5 and 5 wt .-% before. Usually contain the agents according to the invention total of such auxiliaries in amounts of at most 10% by weight.
Die erfindungsgemäßen Mittel werden in an sich bekannter Weise hergestellt, indem man die Rohstoffe mit Wasser vermengt, auf Temperaturen zwischen 40 und 90 °C erhitzt und homogenisiert. Dabei sollten mittlere Teilchengrößen von weniger als 250 nm erreicht werden. Vorzugsweise liegen die mittleren Teilchengrößen im Bereich von 100 - 200 nm. Nach dem Abkühlen können sie ohne weitere Behandlung eingesetzt werden. Üblicherweise werden die Mittel in Form einer wäßrigen Emulsion mit The agents according to the invention are produced in a manner known per se by the Raw materials mixed with water, heated to temperatures between 40 and 90 ° C and homogenized. Average particle sizes of less than 250 nm should be achieved. The average particle sizes are preferably in the range from 100 to 200 nm Cooling can be used without further treatment. Usually the Agent in the form of an aqueous emulsion
Hilfe eines Foulards auf die Textilien aufgebracht. Die erfindungsgemäßen Mittel eignen sich zur hydrophoben Ausrüstung von Textilien aus synthetischen oder natürlichen Fasern, insbesondere für Baumwolltextilien.Applied to the textiles using a foulard. The agents according to the invention are suitable for hydrophobic finishing of textiles made of synthetic or natural fibers, especially for Cotton textiles.
In einer weiteren Ausführungsform wird ein Verfahren zur hydrophoben Ausrüstung von Textilien beansprucht, wobei man Mittel gemäß der obigen Beschreibung in geeigneter Art und Weise auf die Textilien appliziert. Weiterhin wird die Verwendung dieser Mittel zur hydrophoben Ausrüstung von Textilien beansprucht. In a further embodiment, a method for the hydrophobic finishing of textiles claimed, appropriately according to the above description means Applied textiles. Furthermore, the use of these agents for the hydrophobic finishing of Textiles claimed.
Zum Vergleich der erfindungsgemäßen Mittel mit dem Stand der Technik wurde die folgende
Basisrezeptur hergestellt, wobei als Fettstoff Paraffin im Vergleich mit den Fettstoffen
Alkylethern untersucht wurden:
Die Mittel wurden wie folgt hergestellt: Die Rohstoffe wurden vorgelegt, auf 85 °C erwärmt und homogenisiert. Anschließend wurden die Mittel auf 20 °C gekühlt.The agents were prepared as follows: The raw materials were presented, heated to 85 ° C and homogenized. The agents were then cooled to 20 ° C.
Die Mittel wiesen pH-Werte im Bereich von 2,8 bis 3,0 auf. Die Teilchengröße lag im Bereich von 200 bis 250 nm. Zur Bestimmung der Hydrophobie wurde der Schopper-Test gemäß DIN EN 20811 durchgeführt: Testgewebe 100 % CO (ca. 300 g/m2), ausgerüstet mit 150 g/l Emulsion. Flottenaufnahme 86 %. Trocknung bei 140 °C.The agents had pH values in the range from 2.8 to 3.0. The particle size was in the range from 200 to 250 nm. To determine the hydrophobicity, the Schopper test was carried out in accordance with DIN EN 20811: test fabric 100% CO (approx. 300 g / m 2 ), equipped with 150 g / l emulsion. Fleet intake 86%. Drying at 140 ° C.
Die Friktionsbeständigkeit wurde mit einem Endlosläufer mit 120g/1 Flotte, 5 bar Druck und
einer Geschwindigkeit von 20 m/Minute getestet. Die Friktionsbeständigkeit wurde
abgebrochen, wenn Ablagerungen an der Foulardwalze erkennbar waren:
Claims (9)
- A hydrophobicizing composition for finishing textiles, characterized in that it is in the form of an aqueous emulsion which contains a zirconium salt in combination with a fatty compound selected from the group of branched or unbranched, symmetrical or nonsymmetrical dialkyl ethers containing a total of 8 to 44 carbon atoms.
- A hydrophobicizing composition as claimed in caim 1, characterized in that it is present in the form of an aqueous emulsion with an average particle size of 100 to 200 nm.
- A hydrophobicizing composition as claimed in claims 1 and 2, characterized in that the fatty compound is present in quantities of 10 to 95% by weight, preferably 15 to 60% by weight and more particularly 10 to 30% by weight.
- A hydrophobicizing composition as claimed in any of claims 1 to 3, characterized in that it contains nonsymmetrical alkyl ethers with a total of 16 to 36 carbon atoms as the fatty compounds.
- A hydrophobicizing composition as claimed in any of claims 1 to 4, characterized in that the zirconium salt is present in quantities of 1 to 20% by weight, preferably in quantities of 5 to 15% by weight and more particularly in quantities of 5 to 10% by weight.
- A hydrophobicizing composition as claimed in any of claims 1 to 5, characterized in that it contains zirconium acetate.
- A hydrophobicizing composition as claimed in any of claims 1 to 6, characterized in that water is present in quantities of 90 to 10% by weight, preferably 30 to 80% by weight and more particularly 40 to 60% by weight.
- A process for the hydrophobic finishing of textiles, characterized in that the composition claimed in claim 1 is applied to the textiles in the form of an aqueous emulsion.
- The use of the compositions claimed in claim 1 for the hydrophobic finishing of textiles.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19855081 | 1998-11-28 | ||
| DE19855081A DE19855081A1 (en) | 1998-11-28 | 1998-11-28 | Waterproofing agent for textile finishing |
| PCT/EP1999/008886 WO2000032866A1 (en) | 1998-11-28 | 1999-11-19 | Waterproofing agents for textile finishing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1133596A1 EP1133596A1 (en) | 2001-09-19 |
| EP1133596B1 true EP1133596B1 (en) | 2004-03-17 |
Family
ID=7889426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99959286A Expired - Lifetime EP1133596B1 (en) | 1998-11-28 | 1999-11-19 | Waterproofing agents for textile finishing |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6506316B1 (en) |
| EP (1) | EP1133596B1 (en) |
| AT (1) | ATE262068T1 (en) |
| DE (2) | DE19855081A1 (en) |
| DK (1) | DK1133596T3 (en) |
| ES (1) | ES2219087T3 (en) |
| PT (1) | PT1133596E (en) |
| WO (1) | WO2000032866A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005051589A1 (en) * | 2005-10-27 | 2007-05-03 | Wacker Polymer Systems Gmbh & Co. Kg | Fatty acid anhydrides containing dispersion powder |
| EP3450517A1 (en) * | 2017-08-30 | 2019-03-06 | Govi | Wood composite objects |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE218564C (en) | ||||
| US2635055A (en) | 1948-07-08 | 1953-04-14 | Hans G Figdor | Water repellent composition |
| DE905846C (en) | 1951-06-28 | 1954-03-08 | Bayer Ag | Hydrophobic process |
| FR1068657A (en) | 1951-06-28 | 1954-06-30 | Bayer Ag | Process for making textiles, etc. water-repellent. |
| NL113592C (en) | 1952-06-04 | 1900-01-01 | ||
| US2759851A (en) | 1954-01-29 | 1956-08-21 | American Cyanamid Co | Water-repellent treatment for hydrophobic textile materials |
| NL266708A (en) | 1960-07-05 | 1900-01-01 |
-
1998
- 1998-11-28 DE DE19855081A patent/DE19855081A1/en not_active Withdrawn
-
1999
- 1999-11-19 DE DE59908912T patent/DE59908912D1/en not_active Expired - Fee Related
- 1999-11-19 WO PCT/EP1999/008886 patent/WO2000032866A1/en active IP Right Grant
- 1999-11-19 PT PT99959286T patent/PT1133596E/en unknown
- 1999-11-19 AT AT99959286T patent/ATE262068T1/en not_active IP Right Cessation
- 1999-11-19 ES ES99959286T patent/ES2219087T3/en not_active Expired - Lifetime
- 1999-11-19 EP EP99959286A patent/EP1133596B1/en not_active Expired - Lifetime
- 1999-11-19 US US09/856,674 patent/US6506316B1/en not_active Expired - Fee Related
- 1999-11-19 DK DK99959286T patent/DK1133596T3/en active
Also Published As
| Publication number | Publication date |
|---|---|
| DE59908912D1 (en) | 2004-04-22 |
| ATE262068T1 (en) | 2004-04-15 |
| WO2000032866A1 (en) | 2000-06-08 |
| PT1133596E (en) | 2004-07-30 |
| DE19855081A1 (en) | 2000-05-31 |
| EP1133596A1 (en) | 2001-09-19 |
| US6506316B1 (en) | 2003-01-14 |
| DK1133596T3 (en) | 2004-07-05 |
| ES2219087T3 (en) | 2004-11-16 |
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