WO2003035966A2 - Water-free preparation and use thereof as brightening agent for sewing thread - Google Patents

Water-free preparation and use thereof as brightening agent for sewing thread Download PDF

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Publication number
WO2003035966A2
WO2003035966A2 PCT/EP2002/011865 EP0211865W WO03035966A2 WO 2003035966 A2 WO2003035966 A2 WO 2003035966A2 EP 0211865 W EP0211865 W EP 0211865W WO 03035966 A2 WO03035966 A2 WO 03035966A2
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Prior art keywords
sewing
weight
formula
carbon atoms
sewing thread
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PCT/EP2002/011865
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German (de)
French (fr)
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WO2003035966A3 (en
Inventor
Bernhard Sandner
Rainer Hayessen
Barbara Semmler
Original Assignee
Rudolf Gmbh & Co. Kg Chemische Fabrik
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Application filed by Rudolf Gmbh & Co. Kg Chemische Fabrik filed Critical Rudolf Gmbh & Co. Kg Chemische Fabrik
Priority to EP02782992A priority Critical patent/EP1438457A2/en
Priority to AU2002346873A priority patent/AU2002346873A1/en
Publication of WO2003035966A2 publication Critical patent/WO2003035966A2/en
Publication of WO2003035966A3 publication Critical patent/WO2003035966A3/en
Priority to US10/830,478 priority patent/US20040200006A1/en

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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
    • 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
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
    • C10M169/044—Mixtures of base-materials and additives the additives being a mixture of non-macromolecular and macromolecular compounds
    • 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
    • D06M13/02—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with hydrocarbons
    • 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
    • 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
    • D06M7/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made of other substances with subsequent freeing of the treated goods from the treating medium, e.g. swelling, e.g. polyolefins
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/16—Paraffin waxes; Petrolatum, e.g. slack wax
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/281—Esters of (cyclo)aliphatic monocarboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/40—Fatty vegetable or animal oils
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/04—Siloxanes with specific structure
    • C10M2229/041—Siloxanes with specific structure containing aliphatic substituents
    • C10M2229/0415—Siloxanes with specific structure containing aliphatic substituents used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/04—Siloxanes with specific structure
    • C10M2229/048—Siloxanes with specific structure containing carboxyl groups
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/04—Siloxanes with specific structure
    • C10M2229/05—Siloxanes with specific structure containing atoms other than silicon, hydrogen, oxygen or carbon
    • C10M2229/052—Siloxanes with specific structure containing atoms other than silicon, hydrogen, oxygen or carbon containing nitrogen
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00—Metal present as such or in compounds
    • C10N2010/02—Groups 1 or 11
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/46—Textile oils
    • 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
    • D06M2200/40—Reduced friction resistance, lubricant properties; Sizing compositions

Definitions

  • the invention relates to an anhydrous preparation and its use as a sewing thread leveler
  • thread braking (depending on the braking force set on the sewing machine), the force caused by the thread tension spring, the frictional forces generated at deflection points, the continuous alternating loads on the sewing thread and those with jerky movements Accelerating inertia forces In today's industrial machines with close cycles between 6000 / min and 12000 / min, a defined piece of thread is pulled up to 60 times per cm of seam through the needle ear.
  • finishing agents which contain paraffin wax as a surface-smoothing component and polydimethylsiloxanes for reducing the transfer of the frictional heat from the sewing needle to the sewing thread substrate
  • paraffin wax as a surface-smoothing component
  • polydimethylsiloxanes for reducing the transfer of the frictional heat from the sewing needle to the sewing thread substrate
  • Mixtures of the lubricant components paraffin and polydimethylsiloxane as well as possibly other additives such as fatty acids and esters as well as antistatic agents are not stable at ambient temperature, but form heterogeneous, coarsely disperse systems which tend to separate into several phases during storage
  • a continuous, homogeneous phase usually only occurs at temperatures above the melting point of the hydrocarbon-based components, ie mostly above 70 ° C.
  • EP-A-0340575 describes anhydrous preparations made from polydimethylsiloxane and a fatty acid or a fatty amine, as well as conventional additives, which are clear, homogeneous solutions at a temperature of 45 ° C. However, when the mixture cools to ambient temperature, the hydrocarbon-containing preparation fractions fall out again and continue to run, depending on the situation Composition - for pasty to waxy products
  • DE-C-196 15 983 describes anhydrous preparations consisting of 65-95 parts by weight of polydimethylsiloxane with 350 to 5000 mPa s at 25 ° C. and 35 to 5 parts by weight of paraffin, which is solid or liquid at ambient temperature, and a compatibilizer. Consisting of an alkyl- or alkoxy-terminated polydimethylsiloxane. The addition of the compatibilizer should ensure that clear, homogeneous mixtures are formed and that the usual segregation does not occur when the preparations made of silicone oil and paraffin cool down.
  • mixtures of polydimethylsiloxane and paraffin wax emulsions in the water phase can be used in accordance with EP-A-0474467.
  • Such preparations are liquid at ambient temperature and can be applied to sewing thread using a godet.
  • the necessary amount of water can cause corrosion on machine parts and during use on the godet when the machine is down due to water evaporation. cause the viscosity to increase or the preparation to dry out.
  • subsequent drying of the sewing thread bobbins is essential in order to avoid mold formation during storage
  • EP-A-0900876 describes a fiber treatment agent based on a dispersion of magnesium soap, dispersed in a polydimethylsiloxane in the viscosity range 5-50 Pa s by means of a dispersant, mainly consisting of a carboxyamide-modified silicone, this carboxyamide-modified silicone has at least one free carboxyl group which is bound to the polysiloxane chain via a carbonamide group in each case.
  • the treatment agent is intended to increase the coefficient of friction between the polyurethane fibers
  • the object of the present invention is to produce a water-free preparation which is liquid at ambient temperature and which is suitable for softening sewing thread at ambient temperature or only slightly elevated temperatures.
  • the sewing properties to be achieved in particular a low coefficient of friction and good proximity of the sewing thread, should of the state of the art, as can be achieved by water-conditioning treatments
  • this property profile can be achieved with a preparation which, in addition to the components known from the prior art, contains a mediator which reduces the viscosity of the preparations according to the invention to such an extent that use by means of a godet is possible even at ambient temperature or only slightly increased temperatures
  • Preparations according to the invention do not separate, but are retained as a homogeneous dispersion depending on the composition selected.
  • the technological properties of the sewing thread such as the coefficient of friction and sewability, are improved compared to the prior art
  • the first subject of the invention are now anhydrous preparations, characterized by a content, based on the total composition
  • n and m are integers, n in formula (I) or the sum of n and m in formula (II) is between 2 and 50, the ratio of n: m in formula (II) between 1 • 1 and 49 : 1 lies and the rest R
  • Component (1) consists of polydialkylsiloxane with terminal methyl silyl and / or hydroxyl end groups, which has a viscosity of 50-10000 mPa s. Linear polydimethylsiloxanes with trimethylsilyl and / or hydroxyl end groups are preferably used. However, the pendant methyl groups can also be replaced by other organic alkyl or aryi groups. Such as, for example, ethyl or phenyl groups.
  • Component (1) may consist in a uniform form preferably of polydimethylsiloxane or ⁇ , ⁇ -dihydroxy-terminated polydimethylsiloxane and mixtures of the two.
  • component (1) polydialkylsiloxanes is known to the person skilled in the art and is, for example by Noll “Chemistry + Technology of Silicones” S 162 ff or Houben-Weyl “Methods of Organic Chemistry” E20 / 3 p.221 ff
  • silicone oils which have viscosities of 50-10000 mPa s, in particular 1000-5000 mPa s, at ambient temperature
  • Component (2) of the preparation consists of a paraffin wax.
  • the wax can consist of the usual hydrocarbons of various origins, which are well known to the person skilled in the art. Both natural waxes, such as beeswax and carnauba wax, and synthetic waxes, such as polyethylene waxes and Fischer-Tropsch waxes, can be used However, linear paraffin waxes are particularly preferred, possibly with a proportion of 1-5% by weight of short-chain, linear hydrocarbons which are liquid at ambient temperature
  • Optimal melting points of the paraffins used are known from the prior art. Low-melting paraffins with a melting point of ⁇ 50 ° C. result in significantly better coefficients of friction than those with melting points> 60 ° C. Paraffin waxes with a melting range of 40-70 ° C. are therefore particularly preferred , but especially those with a melting range of 46 - 58 ° C.
  • Component (3) used in the preparation according to the invention preferably consists of aliphatic, unbranched, saturated or unsaturated carboxylic acids.
  • fatty acids with 14-20 carbon atoms and especially with 16-18 carbon atoms may preferably be present in the fatty residue, provided that the fatty acids are unsaturated They can contain one or more double bonds in the fat residue.
  • fatty acids can also be used according to the invention.
  • the preparation of the fatty acids of component (3) is known to the person skilled in the art and is described, for example, in Ullmann's Encyclopedia of Industrial Chemistry (5 ed.) A10, p. 254 ff
  • Component (4) used in the preparation according to the invention preferably has 10 to 22 carbon atoms in the acid residue, but in particular 14 to 18 carbon atoms.
  • the fatty acid residue can be linear or branched and can contain one or more double bonds.
  • the fatty alcohol residue can preferably contain 3 to 18 carbon atoms are present, the rest being linear, but in particular branched.
  • the preparation of the fatty acid esters of component (4) is known to the person skilled in the art and is described, for example, in Ullmann (5) A9, p. 572 ff
  • the component (5) used in the preparation according to the invention is a compound which reduces the viscosity of the preparations according to the invention to such an extent that it can be used at ambient temperature or only insignificantly elevated temperatures.
  • Ambient temperature is understood to mean temperatures of 20-45 ° C.
  • the preparations according to the invention do not separate, but remain as homogeneous dispersions depending on the composition selected.
  • the preparation of the mediator of component (5) is known to the person skilled in the art and can be analogous, for example, to the examples listed in EP-A-0 955 340 1-9 are carried out.
  • the integers n in the formula (I) are preferably between 2 and 10
  • the integers of the sum of n and m in the formula (II) are preferably between 25 and 50.
  • the ratio of n: m in the Formula (II) is preferably in a range from 5 1 and 25 1.
  • F ⁇ vo An alkyl radical with 10 to 18 carbon atoms is preferably used
  • the preparation according to the invention may at most contain traces of water which are introduced as impurities by the components used. The amount of any water introduced is at most 0.5 % By weight, preferably at most 0 1% by weight
  • the preparations according to the invention are produced by simply mixing the claimed components at temperatures above the melting point of the individual components and then cooling to ambient temperature
  • Another object of the invention is the use of the preparations according to the invention as a sewing thread leveler
  • the preparations according to the invention are outstandingly suitable for application to sewing threads to reduce the coefficient of friction and the frictional heat generated during the sewing process in the area of the needle ear and the other machine parts in contact with the sewing thread.
  • the sewing threads can be made from natural fibers and / or synthetic fibers, in particular PES and PA -Fibers exist. If synthetic threads are involved, they can be made from both staple fibers and monofilament fibers. For the special area of application of embroidery threads, global synthetic threads can also be used. tion is expediently carried out on the godet familiar to the person skilled in the art, the preparations according to the invention being fed from a possibly heated storage container to the godet trough by means of pump systems via possibly also heated lines.
  • the application can, depending on the composition of the preparation according to the invention, be carried out at ambient temperature or possibly slightly elevated temperature at 35 - 45 ° C

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

The invention concerns water-free preparations and their use as brightening agent for sewing thread, containing (1) 70 to 98 wt. % of a polydialkylsiloxane, (2) 1 to 29 wt. % of a paraffin wax, (3) 0 to 6 wt. % of a fatty acid containing 8 to 22 carbon atoms, (4) 0 to 6 wt. % of a fatty acid ester containing 8 to 22 carbon atoms in the fatty acid radical and 3 to 22 carbon atoms in the fatty acid alcohol and (5) 1 to 5 wt. % of a mediator.

Description

Wasserfreie Zubereitung und deren Anwendung als NahgarnavivageAnhydrous preparation and its use as sewing thread
Beschreibungdescription
Die Erfindung betrifft eine wasserfreie Zubereitung und deren Anwendung als NahgarnavivageThe invention relates to an anhydrous preparation and its use as a sewing thread leveler
Es ist bekannt, dass zum Avivieren von Nahgarnen Zubereitungen aus Silikonolen, Paraffinen und anderen Additiven verwendet werden, welche dem avivierten Garn besondere Gleit- und Reibungseigenschaften verleihen um den hohen Beanspruchungen wahrend des Nahprozesses gerecht zu werdenIt is known that preparations made from silicone oils, paraffins and other additives are used for the finishing of sewing threads, which impart special sliding and friction properties to the finished thread to meet the high demands during the sewing process
Die Ursachen für die extrem hohe Beanspruchung des Nahfadens sind vielfaltig Hervorzuheben sind folgende Parameter die Fadenbremsung (abhangig von der an der Nahmaschine eingestellten Bremskraft), die durch die Fadenanzugsfeder verursachte Kraft, die an Umlenkstellen entstehenden Reibkrafte, die andauernden Wechselbelastungen des Nahgarns sowie die bei ruckartigen Beschleunigungen auftretenden Massentragheitskrafte Bei den heute betriebenen Industne- nahmaschiπen mit Nahzyklen zwischen 6000/mιn und 12000/mιn wird ein definiertes Fadenstuck bis zu 60 mal je cm Naht durch das Nadelohr gezogen Daraus resultieren extrem hohe Rei- bungs- und Scheuerkrafte, einerseits durch den Kontakt der Einzelfaser des Fadens zu den Maschinenteilen der Nahmaschine insbesondere des Nadelohrs, andererseits durch die Reibung der Einzelfasern aneinander innerhalb des Faserverbundes wahrend der SchlingenbildungThe causes of the extremely high stress on the sewing thread are manifold. The following parameters should be emphasized: thread braking (depending on the braking force set on the sewing machine), the force caused by the thread tension spring, the frictional forces generated at deflection points, the continuous alternating loads on the sewing thread and those with jerky movements Accelerating inertia forces In today's industrial machines with close cycles between 6000 / min and 12000 / min, a defined piece of thread is pulled up to 60 times per cm of seam through the needle ear. This results in extremely high friction and abrasion forces, on the one hand through contact the individual fiber of the thread to the machine parts of the sewing machine, in particular the needle ear, on the other hand by the friction of the individual fibers against one another within the fiber composite during the formation of the loop
Aufgrund der hohen Nahgeschwindigkeit erhitzen sich diverse Maschinenteile durch die Reibung mit dem Nahgut auf Temperaturen bis zu 400°C Dies trifft insbesondere auf die Nahnadel beim Durchstechen des Nahgutes und den Reibungskontakt zwischen Metall der Nahnadel und dem Gewebe/Gewirke des zu vernahenden Substrates oder auch auf den Fadengeber zu Die mit dem Nahgarn in direktem Kontakt stehenden reibungsbedingt extrem hoch erhitzten Maschinenteile sind besonders kritisch für Nahgarne aus synthetischen Materialien, wie z B Polyamid (PA) oder insbesondere Polyester (PES) Deren Erweichungsbereich liegt mit 210 - 250°C je nach Provenienz derart niedrig, dass Nahnadeltemperaturen von über 300°C zum Anschmelzen und damit Abreißen des Nahgarns fuhren Dies tritt insbesondere beim Nahen von mehrlagigem, dichtgewebtem Nahgut, wie z B Deni artikeln (Jeans) etc aufDue to the high sewing speed, various machine parts heat up to temperatures of up to 400 ° C due to the friction with the sewing material.This applies in particular to the sewing needle when piercing the sewing material and the frictional contact between the metal of the sewing needle and the fabric / knitted fabric of the substrate to be sewn or also the thread take-up The machine parts, which are extremely hot due to friction and are in direct contact with the sewing thread, are particularly critical for sewing threads made of synthetic materials, such as polyamide (PA) or especially polyester (PES), whose softening range is 210 - 250 ° C depending on the provenance so low that needle temperatures of over 300 ° C lead to melting and thus tearing of the sewing thread. This occurs especially when sewing multi-layer, densely woven sewing material, such as denim articles (jeans) etc.
Um die Standfestigkeit des Nahgarnes gegen die beschriebenen Beanspruchungen zu verbessern, werden üblicherweise Mittel zur Avivage verwendet, welche Paraffinwachs als oberflachen- glattende Komponente sowie Polydimethylsiloxane zur Reduktion der Übertragung der Reibungswarme von der Nahnadel auf das Nahgarnsubstrat enthalten l Mischungen der Gleitmittelkomponenten Paraffin und Polydimethylsiloxan sowie ggf anderen Zusätzen wie z B Fettsauren und -estern sowie ggf Antistatika sind jedoch bei Umgebungstemperatur nicht stabil, sondern bilden heterogene, grob disperse Systeme, welche wahrend des Lagerns zur Entmischung in mehrere Phasen neigen Eine kontinuierliche, homogene Phase stellt sich üblicherweise nur bei Temperaturen über dem Schmelzpunkt der kohlenwasserstoffba- sierenden Komponenten ein, d h meistens über 70°C Dies bedeutet, dass die Zubereitungen bei diesen hohen Temperaturen auf das Nahgarn apphziert werden müssen, um das zur Erzielung optimaler Nahergebnisse notwendige konstante Verhältnis der Einzelkomponenten der Avivage zueinander zu erreichen und auf das Nahgarn zu übertragen Diese Apphkationsmethode des Stands der Technik wird als „Hot-melt"-Verfahren bezeichnetIn order to improve the stability of the sewing thread against the stresses described, finishing agents are usually used which contain paraffin wax as a surface-smoothing component and polydimethylsiloxanes for reducing the transfer of the frictional heat from the sewing needle to the sewing thread substrate Mixtures of the lubricant components paraffin and polydimethylsiloxane as well as possibly other additives such as fatty acids and esters as well as antistatic agents are not stable at ambient temperature, but form heterogeneous, coarsely disperse systems which tend to separate into several phases during storage A continuous, homogeneous phase usually only occurs at temperatures above the melting point of the hydrocarbon-based components, ie mostly above 70 ° C. This means that the preparations must be applied to the sewing thread at these high temperatures in order to achieve the constant ratio of the individual components necessary to achieve optimal sewing results to reach each other and transfer it to the sewing thread. This prior art application method is referred to as the "hot-melt" method
Die EP-A-0340575 beschreibt wasserfreie Zubereitungen aus Polydimethylsiloxan und einer Fettsaure oder einem Fettamin sowie üblichen Zusatzstoffen, welche bei einer Temperatur von 45°C klare, homogene Losungen darstellen Beim Abkühlen auf Umgebungstemperatur fallen jedoch die kohlenwasserstoffhaltigen Zubereitungsanteile wieder aus und fuhren - je nach Zusammensetzung - zu pastosen bis wachsartigen ProduktenEP-A-0340575 describes anhydrous preparations made from polydimethylsiloxane and a fatty acid or a fatty amine, as well as conventional additives, which are clear, homogeneous solutions at a temperature of 45 ° C. However, when the mixture cools to ambient temperature, the hydrocarbon-containing preparation fractions fall out again and continue to run, depending on the situation Composition - for pasty to waxy products
In der DE-C-196 15 983 sind wasserfreie Zubereitungen beschrieben, bestehend aus 65 - 95 Gewichtsteilen Polydimethylsiloxan mit 350 bis 5000 mPa s bei 25°C und 35 bis 5 Gewichtstellen Paraffin, welches bei Umgebungstemperatur fest oder flussig ist, sowie einem Compatibilizer, bestehend aus einem alkyl- oder alkoxyterminiertem Polydimethylsiloxan Der Zusatz des Compa- tibihzers soll dabei bewirken, dass klare, homogene Mischungen entstehen und nicht die übliche Entmischung beim Erkalten der Zubereitungen aus Siliconol und Paraffin eintritt Soweit jedoch bei derartigen Zubereitungen die für optimale Reibwerte und Nahbarkeit notwendigen Sihconole mit Viskositäten >350 mPa s sowie Paraffine mit Schmelzpunkten zwischen 40 und 60°C Verwendung finden, vermag der zugesetzte Compatibilizer zwar eine Entmischung beim Erkalten der Zubereitung zu verhindern, die Mischung ist jedoch in Abhängigkeit vom eingesetzten Compatibi- lizertyp pastos bis cremig-fest Mit derartigen Zubereitungen ist daher eine Anwendung nur auf beheizten Galetten oder speziellen Applikatoren möglichDE-C-196 15 983 describes anhydrous preparations consisting of 65-95 parts by weight of polydimethylsiloxane with 350 to 5000 mPa s at 25 ° C. and 35 to 5 parts by weight of paraffin, which is solid or liquid at ambient temperature, and a compatibilizer. Consisting of an alkyl- or alkoxy-terminated polydimethylsiloxane. The addition of the compatibilizer should ensure that clear, homogeneous mixtures are formed and that the usual segregation does not occur when the preparations made of silicone oil and paraffin cool down. However, as far as such preparations are necessary for optimal friction and proximity Sihconols with viscosities> 350 mPa s and paraffins with melting points between 40 and 60 ° C are used, the added compatibilizer can prevent segregation when the preparation cools down, but the mixture is pasty to creamy-firm depending on the type of compatibilizer used With such preparations is there application only possible on heated godets or special applicators
Um Zubereitungen zu erhalten welche auch bei Umgebungstemperatur applizierfahig sind, lassen sich gemäß EP-A-0474467 Mischungen von Polydimethylsiloxan und Paraffinwachsemulsio- nen in wassπger Phase verwenden Derartige Zubereitungen sind bei Umgebungstemperatur flussig und können mittels einer Galette auf Nahgarn app ziert werden Der zur Produktverflussi- gung notwendige Wasseranteil kann jedoch Korrosionen an Maschinenteilen bewirken sowie wahrend der Anwendung auf der Galette bei Maschinenstillstandszeiten durch Wasserverduns- tung zur Viskositatserhohung bzw dem Eintrocknen der Zubereitung fuhren Des weiteren ist aufgrund des Wasseranteües ein nachträgliches Trocknen der Nahgarnspulen unerlasslich, um eine Schimmelbildung wahrend der Lagerung zu vermeidenIn order to obtain preparations which can also be applied at ambient temperature, mixtures of polydimethylsiloxane and paraffin wax emulsions in the water phase can be used in accordance with EP-A-0474467. Such preparations are liquid at ambient temperature and can be applied to sewing thread using a godet. However, the necessary amount of water can cause corrosion on machine parts and during use on the godet when the machine is down due to water evaporation. cause the viscosity to increase or the preparation to dry out. Furthermore, due to the water content, subsequent drying of the sewing thread bobbins is essential in order to avoid mold formation during storage
Die EP-A-0900876 beschreibt ein Faserbehandlungsmittel auf der Basis einer Dispersion aus Magnesiumseife, dispergiert in einem Polydimethylsiloxan des Viskositatsbereiches 5 - 50 Pa s mittels eines Dispergators, hauptsächlich bestehend aus einem carboxyamidmodifiziertem Silikon, dieses carboxyamidmodifizierte Silikon weist mindestens eine freie Carboxylgruppe auf, die jeweils über eine Carbonamidgruppe an die Polysiloxankette gebunden ist Das Behandlungsmittel soll der Erhöhung des Reibwertes zwischen den Polyurethanfasern dienenEP-A-0900876 describes a fiber treatment agent based on a dispersion of magnesium soap, dispersed in a polydimethylsiloxane in the viscosity range 5-50 Pa s by means of a dispersant, mainly consisting of a carboxyamide-modified silicone, this carboxyamide-modified silicone has at least one free carboxyl group which is bound to the polysiloxane chain via a carbonamide group in each case. The treatment agent is intended to increase the coefficient of friction between the polyurethane fibers
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine wasserfreie und bei Umgebungstemperatur flussige Zubereitung herzustellen, welche zur Avivage von Nahgarn bei Umgebungstemperatur oder nur geringfügig erhöhten Temperaturen geeignet ist Gleichzeitig sollen die zu erreichenden nahtechnischen Eigenschaften, insbesondere niedriger Reibwert und gute Nahbar- keit des Nahgarnes denen des Stands der Technik, wie sie durch wassnge Avivagepraparationen erreicht werden, überlegen seinThe object of the present invention is to produce a water-free preparation which is liquid at ambient temperature and which is suitable for softening sewing thread at ambient temperature or only slightly elevated temperatures. At the same time, the sewing properties to be achieved, in particular a low coefficient of friction and good proximity of the sewing thread, should of the state of the art, as can be achieved by water-conditioning treatments
Überraschenderweise ist dieses Eigenschaftsprofil mit einer Zubereitung zu erreichen, welche neben den aus dem Stand der Technik bekannten Komponenten einen Mediator enthalt, welcher die Viskosität der erfmdungsgemaßen Zubereitungen soweit herabsetzt, dass eine Anwendung mittels einer Galette schon bei Umgebungstemperatur oder nur unwesentlich erhöhten Temperaturen möglich ist Die erfmdungsgemaßen Zubereitungen entmischen sich dabei nicht, sondern bleiben in Abhängigkeit von der gewählten Zusammensetzung als homogene Dispersion erhalten Gleichzeitig werden die technologischen Eigenschaften des Nahgarnes, wie Reibwert und Nahbarkeit gegenüber dem Stand der Technik verbessertSurprisingly, this property profile can be achieved with a preparation which, in addition to the components known from the prior art, contains a mediator which reduces the viscosity of the preparations according to the invention to such an extent that use by means of a godet is possible even at ambient temperature or only slightly increased temperatures Preparations according to the invention do not separate, but are retained as a homogeneous dispersion depending on the composition selected. At the same time, the technological properties of the sewing thread, such as the coefficient of friction and sewability, are improved compared to the prior art
Der erste Gegenstand der Erfindung sind nun wasserfreie Zubereitungen, gekennzeichnet durch einen Gehalt, bezogen auf die Gesamtzusammensetzung, anThe first subject of the invention are now anhydrous preparations, characterized by a content, based on the total composition
(1) 70 - 98 Gew -% eines Polydialkylsiloxans mit Trimethylsilyl- und/oder(1) 70-98% by weight of a polydialkylsiloxane with trimethylsilyl and / or
Hydroxylendgruppen und einer Viskosität von 50 - 10000 Viskositäten von 50 - 10000 mPa s,Hydroxyl end groups and a viscosity of 50 - 10000 viscosities of 50 - 10000 mPa s,
(2) 1 - 29 Gew -% eines Paraffinwachses,(2) 1 - 29% by weight of a paraffin wax,
(3) 0 - 6 Gew -% einer Fettsaure mit 8 - 22 Kohlenstoffatomen, (4) 0 - 6 Gew -% eines Fettsaureesters mit 8 - 22 Kohlenstoffatomen im Fettsaurerest und 3 - 22 Kohlenstoffatomen im Fettalkoholrest sowie(3) 0-6% by weight of a fatty acid with 8-22 carbon atoms, (4) 0-6% by weight of a fatty acid ester with 8-22 carbon atoms in the fatty acid residue and 3-22 carbon atoms in the fatty alcohol residue and
(5) 1 - 5 Gew -% eines Mediators der Formel (I)(5) 1-5% by weight of a mediator of the formula (I)
Figure imgf000005_0001
Figure imgf000005_0001
oder der Formel (II)or of formula (II)
Figure imgf000005_0002
Figure imgf000005_0002
wobei n und m ganze Zahlen sind, n in Formel (I) bzw die Summe von n und m in der Formel (II) zwischen 2 und 50 liegt, das Verhältnis von n : m in Formel (II) zwischen 1 • 1 und 49 : 1 liegt und der Rest Rwhere n and m are integers, n in formula (I) or the sum of n and m in formula (II) is between 2 and 50, the ratio of n: m in formula (II) between 1 • 1 and 49 : 1 lies and the rest R
CR3— C(R3)2 — 2 CR 3 - C (R 3 ) 2 - 2
COX COXCOX COX
Figure imgf000005_0003
die Gruppe oder die Gruppe (IV) oder die Gruppe (V)
Figure imgf000005_0003
the group or the group (IV) or the group (V)
bedeutet, worin R3 = -H, -CH3, X = -OR4 oder -NHR4, der Rest R4 = -H, -Na, -K, -NH4, -Alkyl mit 2 - 22 Kohlenstoffatomen oder -Phenyl bedeuten und der Rest R2 in der Formel (II) aus -CH3 oder -OH besteht Sämtliche Gewichtsangaben der erfmdungsgemaßen Zubereitungen beziehen sich auf die Gesamtzusammensetzung der erfmdungsgemaßen Zubereitung Als bevorzugte Bereiche sind für die Komponente (1) ein Bereich von 75 - 95, besonders bevorzugt von 90 - 95 Gewichtsprozent, für die Komponente (2) 1 - 20, insbesondere jedoch 1 - 10 Gewichtsprozent zu nennen. Sofern die Komponenten (3) und (4) zugesetzt werden, liegt deren Konzentration bevorzugt im Bereich von 1 - 6, insbesondere von 1 - 3 Gewichtsprozent Die Konzentration der Komponente (5) liegt in einem Bereich von 1 - 5, bevorzugt von 1 - 3 Gewichtsprozent.means in which R 3 = -H, -CH 3 , X = -OR 4 or -NHR 4 , the radical R 4 = -H, -Na, -K, -NH 4 , -alkyl having 2 - 22 carbon atoms or - Phenyl and the radical R 2 in the formula (II) consists of -CH 3 or -OH All weight data of the preparations according to the invention relate to the overall composition of the preparation according to the invention. Preferred ranges for components (1) are 75-95, particularly preferably 90-95 percent by weight, for components (2) 1-20, but in particular To mention 1 - 10 percent by weight. If components (3) and (4) are added, their concentration is preferably in the range from 1-6, in particular from 1-3 percent by weight. The concentration of component (5) is in a range from 1-5, preferably from 1- 3 percent by weight.
Die Komponente (1) besteht aus Polydialkylsiloxan mit Tπmethylsilyl- und/oder Hydroxylendgrup- pen, welches eine Viskosität von 50 - 10000 mPa s aufweist. Bevorzugt werden lineare Polydi- methylsiloxane mit Tπmethylsilyl- und/oder Hydroxylendgruppen verwendet. Die seitenständigen Methylgruppen können jedoch auch durch andere organische Alkyl- oder Aryigruppen ersetzt sein. Als solche kommen z B Ethyl- oder Phenylgruppen in Frage Die Komponente (1) kann in einheitlicher Form bevorzugt aus Polydimethylsiloxan oder α,ω-dιhydroxyterminιertem Polydimethylsiloxan sowie Gemischen aus beiden bestehen Die Herstellung von Polydialkylsiloxanen der Komponente (1) ist dem Fachmann bekannt und beispielsweise von Noll "Chemie + Technologie der Silicone" S 162 ff oder Houben-Weyl „Methoden der organischen Chemie" E20/3 S.221 ff., beschriebenComponent (1) consists of polydialkylsiloxane with terminal methyl silyl and / or hydroxyl end groups, which has a viscosity of 50-10000 mPa s. Linear polydimethylsiloxanes with trimethylsilyl and / or hydroxyl end groups are preferably used. However, the pendant methyl groups can also be replaced by other organic alkyl or aryi groups. Such as, for example, ethyl or phenyl groups. Component (1) may consist in a uniform form preferably of polydimethylsiloxane or α, ω-dihydroxy-terminated polydimethylsiloxane and mixtures of the two. The preparation of component (1) polydialkylsiloxanes is known to the person skilled in the art and is, for example by Noll "Chemistry + Technology of Silicones" S 162 ff or Houben-Weyl "Methods of Organic Chemistry" E20 / 3 p.221 ff
Zur Applikation der Zubereitungen auf das Nahgarn mittels der Galette ist eine möglichst niedrige Viskosität der Zubereitung Voraussetzung Vorzugsweise werden daher Silikonöle eingesetzt, welche bei Umgebungstemperatur Viskositäten von 50 - 10000 mPa s, insbesondere 1000 - 5000 mPa s aufweisenTo apply the preparations to the sewing thread by means of the godet, the lowest possible viscosity of the preparation is a prerequisite. It is therefore preferred to use silicone oils which have viscosities of 50-10000 mPa s, in particular 1000-5000 mPa s, at ambient temperature
Komponente (2) der Zubereitung besteht aus einem Paraffinwachs Das Wachs kann aus den üblichen, dem Fachmann hinreichend bekannten Kohlenwasserstoffen der verschiedensten Provenienz bestehen Es können sowohl natürliche Wachse, wie Bienenwachs und Carnaubawachs, als auch synthetische Wachse wie Polyethylenwachse und Fischer-Tropsch-Wachse eingesetzt werden Besonders zu bevorzugen sind jedoch lineare Paraffinwachse, ggf. mit einem Anteil von 1 - 5 Gew -% an kurzkettigen, bei Umgebungstemperatur flussigen, linearen KohlenwasserstoffenComponent (2) of the preparation consists of a paraffin wax. The wax can consist of the usual hydrocarbons of various origins, which are well known to the person skilled in the art. Both natural waxes, such as beeswax and carnauba wax, and synthetic waxes, such as polyethylene waxes and Fischer-Tropsch waxes, can be used However, linear paraffin waxes are particularly preferred, possibly with a proportion of 1-5% by weight of short-chain, linear hydrocarbons which are liquid at ambient temperature
Aus dem Stand der Technik sind optimale Schmelzpunkte der verwendeten Paraffine bekannt So ergeben niedrig schmelzende Paraffine mit einem Schmelzpunkt <50°C deutlich bessere Reibwerte als solche mit Schmelzpunkten >60°C Besonders zu bevorzugen sind deshalb Paraffinwachse mit einem Schmelzbereich von 40 - 70°C, insbesondere jedoch solche mit einem Schmelzbereich von 46 - 58°C Die in der erfmdungsgemaßen Zubereitung verwendete Komponente (3) besteht bevorzugt aus aliphatischen, unverzweigten, gesattigten oder ungesättigten Carbonsauren In der erfmdungsgemaßen Zusammensetzung können bevorzugt Fettsauren mit 14 - 20 Kohlenstoffatomen und besonders mit 16 - 18 Kohlenstoffatomen im Fettrest vorliegen Sofern es sich um ungesättigte Fettsauren handelt, können diese eine oder mehrere Doppelbindungen im Fettrest enthalten Es können auch erfindungsgemaß mehrere, voneinander verschiedene Fettsauren Verwendung finden Die Herstellung der Fettsauren der Komponente (3) ist dem Fachmann bekannt und beispielsweise in Ullmann's Encyclopedia of Industπal Chemistry (5 Aufl ) A10, S 254 ff , beschriebenOptimal melting points of the paraffins used are known from the prior art. Low-melting paraffins with a melting point of <50 ° C. result in significantly better coefficients of friction than those with melting points> 60 ° C. Paraffin waxes with a melting range of 40-70 ° C. are therefore particularly preferred , but especially those with a melting range of 46 - 58 ° C Component (3) used in the preparation according to the invention preferably consists of aliphatic, unbranched, saturated or unsaturated carboxylic acids. In the composition according to the invention, fatty acids with 14-20 carbon atoms and especially with 16-18 carbon atoms may preferably be present in the fatty residue, provided that the fatty acids are unsaturated They can contain one or more double bonds in the fat residue. Several different fatty acids can also be used according to the invention. The preparation of the fatty acids of component (3) is known to the person skilled in the art and is described, for example, in Ullmann's Encyclopedia of Industrial Chemistry (5 ed.) A10, p. 254 ff
Die in der erfmdungsgemaßen Zubereitung verwendete Komponente (4) weist im Saurerest bevorzugt 10 - 22 Kohlenstoffatome, insbesondere jedoch 14 - 18 Kohlenstoffatome auf Der Fett- saurerest kann dabei linear oder verzweigt sein sowie eine oder mehrere Doppelbindungen enthalten Im Fettalkoholrest können vorzugsweise 3 - 18 Kohlenstoffatome vorliegen, wobei der Rest linear, insbesondere jedoch verzweigt sein kann Die Herstellung der Fettsaureester der Komponente (4) ist dem Fachmann bekannt und beispielsweise im Ullmann (5 ) A9, S 572 ff , beschriebenComponent (4) used in the preparation according to the invention preferably has 10 to 22 carbon atoms in the acid residue, but in particular 14 to 18 carbon atoms. The fatty acid residue can be linear or branched and can contain one or more double bonds. The fatty alcohol residue can preferably contain 3 to 18 carbon atoms are present, the rest being linear, but in particular branched. The preparation of the fatty acid esters of component (4) is known to the person skilled in the art and is described, for example, in Ullmann (5) A9, p. 572 ff
Bei der in der erfmdungsgemaßen Zubereitung verwendeten Komponente (5) handelt es sich um Verbindungen, welche die Viskosität der erfmdungsgemaßen Zubereitungen soweit herabsetzen, dass eine Anwendung bei Umgebungstemperatur oder nur unwesentlich erhöhten Temperaturen möglich ist Unter Umgebungstemperatur sollen Temperaturen von 20 - 45°C verstanden werden Die erfmdungsgemaßen Zubereitungen entmischen sich dabei nicht, sondern bleiben in Abhängigkeit von der gewählten Zusammensetzung als homogene Dispersionen erhalten Die Herstellung des Mediators der Komponente (5) ist dem Fachmann bekannt und kann beispielsweise analog der in in der EP-A-0 955 340 aufgeführten Beispiele 1 - 9 durchgeführt werden Die ganzen Zahlen n in der Formel (I) liegen bevorzugt zwischen 2 und 10, die ganzen Zahlen der Summe von n und m in der Formel (II) bevorzugt zwischen 25 und 50 Das Verhältnis von n : m in der Formel (II) liegt bevorzugt in einem Bereich von 5 1 und 25 1 Für den Rest Fύ wird vorzugsweise ein Alkylrest mit 10 - 18 Kohlenstoffatomen verwendetThe component (5) used in the preparation according to the invention is a compound which reduces the viscosity of the preparations according to the invention to such an extent that it can be used at ambient temperature or only insignificantly elevated temperatures. Ambient temperature is understood to mean temperatures of 20-45 ° C. The preparations according to the invention do not separate, but remain as homogeneous dispersions depending on the composition selected. The preparation of the mediator of component (5) is known to the person skilled in the art and can be analogous, for example, to the examples listed in EP-A-0 955 340 1-9 are carried out. The integers n in the formula (I) are preferably between 2 and 10, the integers of the sum of n and m in the formula (II) are preferably between 25 and 50. The ratio of n: m in the Formula (II) is preferably in a range from 5 1 and 25 1. For the rest Fύ vo An alkyl radical with 10 to 18 carbon atoms is preferably used
Neben den genannten Komponenten können Zusätze weiterer Komponenten erfolgen, um besondere Effekte zu erzielen So können beispielsweise geringe Anteile von organischen Phosphorverbindungen, insbesondere organisch modifizierten Phosphorsaureestern die elektrostatischen Eigenschaften der avivierten Nahgarne verbessern Sofern die Garne eine biostatische oder biozide Eigenschaft erhalten sollen, kann dies durch Zusatz von 0,1 - 0,2 Gew -% von I- sothiazolmondeπvaten erreicht werden Die Vorteile der erfmdungsgemaßen Zubereitung bestehen einerseits in einer deutlichen Reduktion des Reibwerts der damit ausgerüsteten Nahgarne, andererseits in einer Herabsetzung der wahrend des Nahprozesses entstehenden Reibungswarme im Bereich des Nadelohrs sowie der anderen mit dem Nahgarn in Kontakt stehenden Maschinenteile, wodurch die Gefahr von Faden- bruchen wahrend des Nahvorganges deutlich herabgesetzt wird Ein weiterer Vorteil hegt in der niedrigen Viskosität der Zubereitung welche es zulasst, dass die Applikation mittels einer Galette auf das Nahgarn erfolgen kann ohne die Zubereitung zur Erreichung einer homogenen Phase auf Temperaturen über den Schmelzpunkt der Einzelkomponenten hinaus erwarmen zu müssen Abhangig von der Art und der Menge des eingesetzten Paraffins sowie der anzutreffenden Umgebungstemperatur kann es jedoch notwendig werden, eine geringfügige Temperaturanhebung auf 35 bis 45°C vorzunehmenIn addition to the components mentioned, other components can also be added in order to achieve special effects.For example, small proportions of organic phosphorus compounds, in particular organically modified phosphoric acid esters, can improve the electrostatic properties of the advanced sewing yarns of 0.1-0.2% by weight of isothiazole moiety can be achieved The advantages of the preparation according to the invention consist, on the one hand, of a significant reduction in the coefficient of friction of the sewing threads equipped therewith, and, on the other hand, of a reduction in the frictional heat generated during the sewing process in the area of the needle ear and of the other machine parts in contact with the sewing thread, thereby reducing the risk of thread breakage Another advantage lies in the low viscosity of the preparation, which allows it to be applied to the sewing thread using a godet without having to heat the preparation to temperatures above the melting point of the individual components in order to achieve a homogeneous phase Depending on the type and amount of paraffin used and the ambient temperature, it may be necessary to raise the temperature slightly to 35 to 45 ° C
Aufgrund der wesentlich niedrigeren Applikationstemperaturen gegenüber dem herkömmlichen „Hot-melt"-Verfahren, welches bei Temperaturen zwischen 70 und 90°C durchgeführt wird, können erhebliche Energieeinsparungen durch teilweisen oder vollständigen Wegfall der Beheizung des Galettensystemes erreicht werden Nachdem die erfmdungsgemaße Zubereitung auch keinen Wasserzusatz enthalt werden die damit verbundenen Nachteile wie Korrosion von Maschinenteilen, Viskositatserhohung der Zubereitung durch Austrocknung oder Schimmelbildung auf den ausgerüsteten Nahgarnen vermieden Die erfmdungsgemaßen Zubereitungen können allenfalls Spuren von Wasser enthalten welche als Verunreinigungen durch die verwendeten Bestandteile eingetragen werden Die Menge etwa eingetragenen Wassers betragt höchstens 0,5 Gew -%, bevorzugt höchstens 0 1 Gew -%Due to the significantly lower application temperatures compared to the conventional "hot-melt" process, which is carried out at temperatures between 70 and 90 ° C, considerable energy savings can be achieved by partially or completely eliminating the heating of the godet system. After the preparation according to the invention also contains no water The associated disadvantages such as corrosion of machine parts, increased viscosity of the preparation due to drying out or mold formation on the finished sewing threads are avoided.The preparations according to the invention may at most contain traces of water which are introduced as impurities by the components used.The amount of any water introduced is at most 0.5 % By weight, preferably at most 0 1% by weight
Die erfmdungsgemaßen Zubereitungen werden durch einfaches Vermischen der anspruchsge- maßen Komponenten bei Temperaturen oberhalb des Schmelzpunktes der Einzelkomponenten und anschließendes Abkühlen auf Umgebungstemperatur hergestelltThe preparations according to the invention are produced by simply mixing the claimed components at temperatures above the melting point of the individual components and then cooling to ambient temperature
Weiterer Gegenstand der Erfindung ist die Verwendung der erfmdungsgemaßen Zubereitungen gemäß Anspruch 1 als NahgarnavivageAnother object of the invention is the use of the preparations according to the invention as a sewing thread leveler
Die erfmdungsgemaßen Zubereitungen eignen sich hervorragend zur Applikation auf Nahgarnen zur Herabsetzung des Reibwertes und der wahrend des Nahprozesses entstehenden Reibungswarme im Bereich des Nadelohrs sowie der anderen mit dem Nahgarn in Kontakt stehenden Maschinenteile Die Nahgarne können aus Naturfasern und/oder Synthetikfasern, insbesondere PES- und PA-Fasern bestehen Sofern es sich um Synthetikgarne handelt, können diese sowohl aus Stapelfasern als auch aus Monofilfasem hergestellt sein Für den speziellen Anwendungsbereich der Stickgarne können auch tπlobale Synthetikgarne zur Anwendung kommen Die Applika- tion erfolgt in zweckmäßiger Weise auf der dem Fachmann gelaufigen Galette, wobei die erfmdungsgemaßen Zubereitungen aus einem ggf beheizten Vorratsbehalter mittels Pumpsystemen über ggf ebenfalls beheizte Leitungen dem Galettentrog zugeführt werden Die Applikation kann je nach Zusammensetzung der erfmdungsgemaßen Zubereitung bei Umgebungstemperatur oder ggf geringfügig erhöhter Temperatur bei 35 - 45°C erfolgenThe preparations according to the invention are outstandingly suitable for application to sewing threads to reduce the coefficient of friction and the frictional heat generated during the sewing process in the area of the needle ear and the other machine parts in contact with the sewing thread. The sewing threads can be made from natural fibers and / or synthetic fibers, in particular PES and PA -Fibers exist. If synthetic threads are involved, they can be made from both staple fibers and monofilament fibers. For the special area of application of embroidery threads, global synthetic threads can also be used. tion is expediently carried out on the godet familiar to the person skilled in the art, the preparations according to the invention being fed from a possibly heated storage container to the godet trough by means of pump systems via possibly also heated lines. The application can, depending on the composition of the preparation according to the invention, be carried out at ambient temperature or possibly slightly elevated temperature at 35 - 45 ° C
Je nach Garntyp und dem gewünschten Verwendungszweck des Nahgarnes können Auflagemengen der erfmdungsgemaßen Zubereitungen im Bereich zwischen 2 und 20 Gew -% bezogen auf das Nahgarngewicht zur Anwendung kommenDepending on the type of yarn and the intended use of the sewing thread, application quantities of the preparations according to the invention in the range between 2 and 20% by weight based on the sewing thread weight can be used
Die nachfolgenden Beispiele erläutern die Erfindung (vgl nachstehende Tabelle) Die Applikation als Nahgarnavivage erfolgte mittels eines Laborgerates Die in der Tabelle in der drittletzten Zeile angegebenen Viskositatszahlen beziehen sich auf die Viskosität der verwendeten Zubereitungen und wurden mit einem Viskosimeter der Firma , Haake", Karlsruhe, Typ VT 500, Messkorper SVDIN bei 23°C bestimmt Die Reibwerte wurden mit einem Testgerat „Anchor Friction Tester" der Firma Kerr & Co bestimmtThe following examples illustrate the invention (cf. table below). Application as sewing thread leveling was carried out by means of a laboratory device. The viscosity numbers given in the table in the third to last line relate to the viscosity of the preparations used and were measured with a viscometer from the company "Haake", Karlsruhe, Type VT 500, measuring body SVDIN determined at 23 ° C. The coefficients of friction were determined using an "Anchor Friction Tester" from Kerr & Co
Die Nahbarkeit wurde auf einer Doppelsteppstichnahmaschine des Typs „Durkopp 211-5 (mit hupfendem Untertransport)" gemäß folgender Methode getestetThe sewability was tested on a lockstitch sewing machine type "Durkopp 211-5 (with hopping bottom feed)" according to the following method
Fünf Lagen eines lemwandbmdigen PAC-Markisengewebes wurden in Kettrichtung ubereinan- dergelegt und an einem Ende zusammengenaht Im Abstand von ca 2 cm vom genahten Anfang wurde eine Startlinie im rechten Winkel zur Kettrichtung gezeichnet Aus diesem Gewebe wurden 10 cm breite (Schußrichtung) und 30 cm lange Streifen (Kettrichtung) geschnitten und für je eine Einzelprüfung verwendet Wahrend des Nahtests wurde das Testgewebe locker gefuhrt Die O- berfadenspannung war auf optimale Naht mit 4 mm Stichlange eingestellt Die Einstellungen der Nahmaschine blieben wahrend des Testnahens konstant Das Nahen erfolgte mit 5000 Sti- chen/mm bis zum Fadenbruch Für jede Naht wurde eine neue Nadel verwendet, um den E fluss von Ablagerungen auf der Nadel auszuschließen Nach dem Fadenbruch wurde die Lange der genahten Naht von der Starlinie bis zur Fadenbruchstelle in cm ausgemessen Aufgrund der hohen Meßwertstreuung wurden pro Test jeweils 15 Einzelnahte erzeugt und der niedrigste und höchste Wert sowie unsaubere Nahte nicht für die Beurteilung herangezogen Die restlichen Ergebnisse wurden gemittelt Beispiele (Tabelle).Five layers of a membrane-walled PAC awning fabric were overlaid in the warp direction and sewn together at one end. At a distance of approx. 2 cm from the sewn beginning, a starting line was drawn at right angles to the warp direction. This fabric became 10 cm wide (weft direction) and 30 cm long Cut strips (warp direction) and use them for a single test each. During the seam test, the test fabric was loosely guided. The upper thread tension was set to an optimal seam with a stitch length of 4 mm. The settings of the sewing machine remained constant during the test seam. The sewing was done with 5000 stitches / mm to thread break A new needle was used for each seam in order to exclude the flow of deposits on the needle.After the thread break, the length of the sewn seam was measured in cm from the star line to the thread break point Single seams generated and the lowest and highest W and unclean seams were not used for the assessment. The remaining results were averaged Examples (table).
Figure imgf000010_0001
Figure imgf000010_0001
1 n = 10, R, = Gruppe (lll) R3 = -H X = -OR„, R* = -C22H45 1 n = 10, R, = group (III) R 3 = -HX = -OR ", R * = -C 22 H45
2 0 = 8^, = Gruppe (IV), R3 = -CH3, X = -OR4, Ft, = -C13H37 2 0 = 8 ^, = group (IV), R 3 = -CH3, X = -OR 4 , Ft, = -C 13 H 37
3 n = 30, m = 2, R, = Gruppe (V), R2 = -OH, R3 = -H, X = -NHR4, R. = -C18H37 3 n = 30, m = 2, R, = group (V), R 2 = -OH, R 3 = -H, X = -NHR4, R. = -C 18 H 3 7

Claims

Patentansprüche 1 Wasserfreie Zubereitung, gekennzeichnet durch einen Gehalt, bezogen auf die Gesamtzusammensetzung, an Claims 1 Anhydrous preparation, characterized by a content based on the total composition
(1) 70 - 98 Gew -% eines Polydialkylsiloxans mit Tπmethylsilyl- und/oder(1) 70-98% by weight of a polydialkylsiloxane with Tπmethylsilyl and/or
Hydroxylendgruppen und einer Viskosität von 50 - 10000 mPa s,Hydroxyl end groups and a viscosity of 50 - 10,000 mPa s,
(2) 1 - 29 Gew -% eines Paraffinwachses,(2) 1 - 29% by weight of a paraffin wax,
(3) 0 - 6 Gew -% einer Fettsaure mit 8 - 22 Kohlenstoffatomen,(3) 0 - 6% by weight of a fatty acid with 8 - 22 carbon atoms,
(4) 0 - 6 Gew -% eines Fettsaureesters mit 8 - 22 Kohlenstoffatomen im Fettsaurerest und 3 - 22 Kohlenstoffatomen im Fettalkoholrest sowie(4) 0 - 6% by weight of a fatty acid ester with 8 - 22 carbon atoms in the fatty acid residue and 3 - 22 carbon atoms in the fatty alcohol residue and
(5) 1 - 5 Gew -% eines Mediators der Formel (I)(5) 1 - 5% by weight of a mediator of formula (I)
Figure imgf000011_0001
Figure imgf000011_0001
oder der Formel (II)or the formula (II)
Figure imgf000011_0002
Figure imgf000011_0002
wobei n und m ganze Zahlen sind, n in Formel (I) bzw die Summe von n und m in der Formel (II) zwischen 2 und 50 liegt, das Verhältnis von n : m in Formel (II) zwischen 1 1 und 49 1 liegt und der Rest R, —where n and m are integers, n in formula (I) or the sum of n and m in formula (II) is between 2 and 50, the ratio of n: m in formula (II) is between 1 1 and 49 1 lies and the remainder R, —
Figure imgf000012_0001
Figure imgf000012_0001
die Gruppe oder die Gruppe (IV) oder die Gruppe (V)the group or the group (IV) or the group (V)
bedeutet, worin R3 = -H, -CH3, X = -OR4 oder -NHR4, der Rest F , = -H, -Na, -K, -NH , -Alkyl mit 2 - 22 Kohlenstoffatomen oder -Phenyl bedeuten und der Rest R2 in der Formel (II) aus -CH3 oder -OH bestehtmeans in which R 3 = -H, -CH 3 , mean and the radical R 2 in the formula (II) consists of -CH 3 or -OH
2 Verwendung der Zubereitungen gemäß Anspruch 1 als Nahgarnavivage 2 Use of the preparations according to claim 1 as sewing yarn finishing
PCT/EP2002/011865 2001-10-24 2002-10-23 Water-free preparation and use thereof as brightening agent for sewing thread WO2003035966A2 (en)

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AU2002346873A AU2002346873A1 (en) 2001-10-24 2002-10-23 Water-free preparation and use thereof as brightening agent for sewing thread
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DE10152426A DE10152426B4 (en) 2001-10-24 2001-10-24 Anhydrous preparation and its use as Nähgarnavivage

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US5087443A (en) * 1988-10-05 1992-02-11 L'oreal Emulsions of organopolysiloxanes containing a diester functional group, their application in textile, cosmetic and dermatological treatment
DE19901458A1 (en) * 1999-01-15 2000-07-20 Boehme Chem Fab Kg Water-free, storage-stable, fiber-treating composition useful as a heat-shield treatment for fibers or threads comprises silicon oil, wax and optionally hydrophobicized silica

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DE19615983C1 (en) * 1996-04-22 1997-07-31 Goldschmidt Ag Th Anhydrous stable preparation used as textile oil
CN1109155C (en) * 1997-03-13 2003-05-21 竹本油脂株式会社 Treating agent for polyurethane elastic fiber and polyurethane elastic fiber treated with the same

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5087443A (en) * 1988-10-05 1992-02-11 L'oreal Emulsions of organopolysiloxanes containing a diester functional group, their application in textile, cosmetic and dermatological treatment
DE19901458A1 (en) * 1999-01-15 2000-07-20 Boehme Chem Fab Kg Water-free, storage-stable, fiber-treating composition useful as a heat-shield treatment for fibers or threads comprises silicon oil, wax and optionally hydrophobicized silica

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