WO2020084457A1 - Procédé et produits pour conférer une protection contre les taches - Google Patents

Procédé et produits pour conférer une protection contre les taches Download PDF

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Publication number
WO2020084457A1
WO2020084457A1 PCT/IB2019/058969 IB2019058969W WO2020084457A1 WO 2020084457 A1 WO2020084457 A1 WO 2020084457A1 IB 2019058969 W IB2019058969 W IB 2019058969W WO 2020084457 A1 WO2020084457 A1 WO 2020084457A1
Authority
WO
WIPO (PCT)
Prior art keywords
stainblocking
composition
agent
carpet
carpets
Prior art date
Application number
PCT/IB2019/058969
Other languages
English (en)
Inventor
Markus Baumann
Original Assignee
Invista Textiles (U.K.) Limited
Invista North America S.A.R.L.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Invista Textiles (U.K.) Limited, Invista North America S.A.R.L. filed Critical Invista Textiles (U.K.) Limited
Publication of WO2020084457A1 publication Critical patent/WO2020084457A1/fr

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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
    • 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
    • D06M15/39—Aldehyde resins; Ketone resins; Polyacetals
    • D06M15/41—Phenol-aldehyde or phenol-ketone resins
    • D06M15/412—Phenol-aldehyde or phenol-ketone resins sulfonated
    • 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
    • D06M13/244—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 sulfur or phosphorus
    • D06M13/248—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 sulfur or phosphorus with compounds containing sulfur
    • D06M13/256—Sulfonated compounds esters thereof, e.g. sultones
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16—Synthetic fibres, other than mineral fibres
    • D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/34—Polyamides
    • 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
    • D06M2200/01—Stain or soil resistance

Definitions

  • the present invention relates to the field of stainblockers for carpets and/or fabrics.
  • compositions referred to as“stainblockers” are commonly applied to carpets or carpet tiles made from PA66 or PA 6 to impart stain resistance. There is presently available both a continuous process and a discontinuous, or batch-wise, process for applying a stainblocker composition to a carpet. Recently one system is commercially available wherein a stainblocker composition is also topically applied to different dyeable carpets.
  • soil-resist agents are typically fluorocarbon compounds, although fluorine free-compounds have been suggested in the prior art.
  • a soil resist agent is applied as the last step in carpet finishing prior to drying or backing.
  • the required amounts of soil resist agent are between 1.0% and 1.6 weight% calculated on carpet weight. Common drying temperatures of 110-130°C are sufficient to allow the soil resist to completely cross-link onto the fibre.
  • the widely used spray application is the simplest method of applying soil resist agents.
  • a spray facility can be installed in front of a dryer after coloration or in front of a latex backing oven.
  • An aqueous solution of soil resist agent is pumped through spray nozzles, installed above the running carpet, onto the carpet pile. For better distribution/penetration into the pile the solution should be applied to a wet, hydroextracted carpet.
  • the wet pickup should be as low as possible, between 15-25%, calculated on carpet weight.
  • the most advanced method for the treatment of carpets with soil resist agents is foam application. By using this minimum moisture application system, highly concentrated liquors in a foam state are applied to carpets running past, with a wet pickup of between 10% on wet carpets and 15% on dry carpets.
  • a further advantage of the foam application method is its improved penetration.
  • Foam application facilities can be installed in front of a dryer or a latex backing oven. To generate a fine uniform consistency it is sometimes necessary to add foaming agents. These chemicals are formulated in such a way that they decompose under common drying temperatures of 110-130°C and do not negatively impact the repellency performance of the soil resist agents.
  • the present invention therefore pertains to a stainblocking composition
  • a stainblocking composition comprising an aequeous solution of at least one stainblocking agent, whereby the aequous solution is alkaline.
  • stainblocker or“stainblocking agent” in the sense of the present invention especially means and/or include compounds which are able to associate with polymer amine end groups of a fabric and/or carpet to be blocked thus protecting such fabric and/or carpet from staining by (acidic) dye stains.
  • alkaline especially means that the aequous solution has a pH of >7.
  • the stainblocking agent is selected so that a 10-wt% solution of this agent in water has a pH of > 8 and ⁇ 11, preferably of > 8.5 and ⁇ 10.5. This has been found for many applications to be a good compromise between maintaining the advantageous properties of the stainblocking composition and potential damage to the fabric and/or carpet due to overly alkaline conditions.
  • the pH of the stainblocking composition can of course be adjusted and stabilized by using for instance suitable buffer systems or alkaline solution such as sodium or potassium hydroxide, which is insofar a preferred embodiment of the present invention.
  • suitable buffer systems or alkaline solution such as sodium or potassium hydroxide
  • At least one stainblocking agent of the stainblocking composition comprises an arylsulfonate moiety. It has been found for many applications within the present inventions that compounds comprising such moieties show excellent stainblocking properties.
  • Arylsulfonate moiety in the sense of the present invention means especially a moiety with the chemical structure Ar-SChH (or the deprotonated form) whereby the term Ar is an aryl group which can be further substituted.
  • aryl group refers to a hydrocarbyl group which can be created by formal abstraction of one hydrogen atom from an aromatic ring in the corresponding aromatic hydrocarbon.
  • Aromatic hydrocarbon refers to a hydrocarbon which contains at least one aromatic ring or aromatic ring system.
  • Aromatic ring or aromatic ring system refers to a planar ring or ring system of covalently bound carbon atoms, wherein the planar ring or ring system comprises a conjugated system of delocalized electrons fulfilling HiickeTs rule.
  • aryl groups include monocyclic groups like phenyl or tolyl, polycyclic groups which comprise more aromatic rings linked by single bonds, like biphenylyl, and polycyclic groups comprising fused rings, like naphtyl or fluoren-2-yl.
  • the stainblocking agent of the stainblocking composition consists essentially out of compounds comprising arylsulfonate moieties.
  • the term“consisting essentially” means >90 % (wt/wt), preferably >95% (wt/wt), more preferred >98% (wt/wt) and most preferred > 99% (wt/wt).
  • At least one stainblocking composition comprises an arylsulfonyl moiety. It has been found for many applications within the present inventions that compounds comprising such moieties show excellent stainblocking properties.
  • Arylsulfonyl moiety in the sense of the present invention means especially a moiety with the chemical structure Ar-SC -R whereby Ar is an aryl group which can be further substituted and whereby R is an alkyl or aryl group which can be further substituted.
  • an "alkyl group” refers to a saturated aliphatic hydrocarbyl group.
  • the alkyl group may be a Ci to C12 alkyl group. More specifically, the alkyl group may be a Ci to C10 alkyl group or a Ci to G, alkyl group.
  • a Ci to C4 alkyl group includes 1 to 4 carbons in alkyl chain, and may be selected from methyl, ethyl, propyl, iso-propyl, n-butyl, iso-butyl, sec-butyl, and t- butyl.
  • alkyl group may be a methyl group, an ethyl group, a propyl group, an isopropyl group, a butyl group, an isobutyl group, a t-butyl group, a pentyl group, a hexyl group.
  • the stainblocking composition consists essentially out of compounds comprising arylsulfonate moieties.
  • At least one of the stainblocking agents of the stainblocking composition comprises one or more of the following compounds:
  • the stainblocking agents consists essentially of those compounds.
  • carbonyl compound especially means and/or includes the group -C(0)R 1 R 2 , wherein R 1 and R 2 are independently selected from: hydrogen; Ci-Ce-alkyl; phenyl; Ci-C 6 -alkyl-C 6 3 ⁇ 4
  • the stainblocking agents are selected from Rewin KF, Rewin KMB and Rewin KMR or mixtures thereof.
  • the present invention furthermore relates to a method comprising applying a stainblocking composition to a fabric and/or carpet, whereby the content of the applied stainblocking composition is > 1% to ⁇ 10% (wt/wt) based on the weight of the fabric and/or carpet.
  • the content of the stainblocking composition is > 2% to ⁇ 8%
  • the present invention furthermore relates to a treatment system for fabrics and/or carpets comprising a stainblocking composition according to the present invention and a soil repellent composition.
  • the ration between stainblocking composition and soil repellent composition is > 1 : 1 and ⁇ 20: 1, preferably is > 1.5: 1 and ⁇ 10: 1 and most preferred > 2: 1 and ⁇ 4: 1
  • the treatment system comprises the stainblocking composition and the soil repellent composition as different entities, e.g. to be used in separate application units and/or systems or in different steps during the fabrication of the fabric and/or carpets.
  • the treatment system comprises a mixture of a stainblocking composition according to the present invention and a soil repellent composition. This would allow for a simultaneous application of both the stainblocking composition and the soil repellent during fabrication of a carpet and/or fabric
  • the soil-repellent composition is fluorine free.
  • the following compositions XI to X4 which are described in the following.
  • the fluorine free composition XI comprises
  • a nanoparticulate silicate clay also referred to as a clay nanoparticle
  • composition XI is useful for applications such as natural or synthetic fiber protection. Furthermore, following evaporation of water, the fibers treated with composition XI display improved water and soil repellency characteristics useful as substitutes for, and replacements of, the fluorinated fiber protectant compositions currently applied.
  • the fluorine free composition X2 comprises the components A, B, C and: D) A textile softening agent;
  • composition X2 is also useful for applications such as natural or synthetic fiber protection.
  • the fluorine free composition X3 comprises the components B, C and D
  • the fluorine-free composition X4 comprises the components A and D.
  • Typical nanoparticulate silicate clays useful in the invention as component A include those described in U.S. Patent Application Publication No. 2011/0311757 to Iverson et al., which is incorporated herein by reference. These nanoparticulate silicate clays can be selected from the group consisting of smectites, kaolins, illites, chlorites, attapulgites, and combinations thereof.
  • More specific examples include montmorillonite, bentonite, pyrophyllite, hectorite, saponite, sauconite, nontronite, talc, beidellite, volkonskoite, vermiculite, kaolinite, dickite, antigorite, anauxite, indellite, chrysotile, bravaisite, muscovite, paragonite, biotite, corrensite, penninite, donbassite, sudoite, pennine, sepiolite, palygorskyte, and combinations thereof.
  • the nanoparticulate silicate component, A may be natural or synthetic.
  • the nanoparticulate silicate component includes synthetic hectorite. Regardless of whether the clay nanoparticle is natural or synthetic, the clay nanoparticle component may be present in an amount from about 0.9 to about 24 volume parts of the combined composition XL Typically, the clay nanoparticle is present in an amount of about 7 to about 14 parts by volume of the composition XL
  • suitable nanoparticulate silicates are those commercially available from BYK Additives GmbH under the brand name Laponite®. These include Laponite® RD, Laponite® RDS, Laponite® JS, Laponite® SL25, and Laponite® S482.
  • Laponite® SL-25 is a basic (pH 8-10), 21.5-25 wt% solids aqueous dispersion.
  • the nanoparticulate silicate found in Laponite® SL25 has an average particle size of from about 20 nm to about 90 nm, and a surface area of from about 120 m2/g to about 500 m2/g;
  • Typical acrylic polymer components for use in the present disclosure as component B include those anionic or non-ionic, fluorine-free, water-dispersed acrylics that are known to act as binding agents, wherein the mixture including the acrylic copolymer binding agent (“binder”) forms a transparent or largely transparent coating.
  • the acrylic copolymer binder is self-crosslinking.
  • the water-based non-fluorinated acrylic copolymer provides a certain degree of durable water repellency to the treated carpets and fibers.
  • Binding agents useful according to this disclosure include any non-fluorinated emulsifiable acrylic polymer or copolymer suitable for use as a coating ingredient for soft surfaces, such as textiles, yarn, fabric, carpets, rugs, mats, or hard surfaces, such as vinyl tile, stone masonry, ceramic tile, and hardwood flooring. Many examples of such acrylic co polymers can be utilized as component B in the compositions described by this disclosure.
  • Acrylic-based copolymers having at least one of acrylate, methyl acrylate, ethyl acrylate, propyl acrylate, butyl acrylate, methacrylate, methyl methacrylate, ethyl methacrylate, propyl methacrylate, butyl methacrylate, ethacrylate, methyl ethacrylate, ethyl ethacrylate, propyl ethacrylate, butyl ethacrylate, acrylic acid, and ethylene monomers, and combinations and blends thereof, are suitable candidates for use according to this disclosure.
  • the acrylic-based copolymers can be non-ionic, or anionic, but the preferred acrylic-based copolymers in this disclosure have a net anionic charge association. Further, preferred components are those anionic acrylic-based copolymers that are self-crosslinking, and can thus crosslink by application of thermal and/or photoinitiated stimuli. Numerous non-fluorinated, emulsified acrylic copolymers suitable as component B are commercially available, such as the self- crosslinking families of RHOPLEXTM and PRIMALTM emulsions, manufactured by Rohm and Haas Company.
  • PRIMALTM ECO-36 (Rohm and Haas), which is an anionic, self- crosslinking acrylic based copolymer that can be applied on a substrate as a 46.5-47.5 wt% solids aqueous emulsion.
  • PRIMALTM ECO- 16 self-crosslinking, non-ionic, methyl methacrylate - ethyl acrylate copolymer
  • PRIMALTM ECO-8 sil- crosslinking, nonionic
  • MMA/EA copolymers corresponding polymer products from other manufacturers may also be used.
  • Another possible water-based acrylic copolymer may be ethylene acrylic acid copolymer (EAA). These dispersion polymers are also known under various tradenames. For example TECSEAL E-799/45 (Trub Emulsions Chemie), an ethylene-acrylic acid dispersion (solids content 45%, Tg 4°C), may be used. Still another possible water-based acrylic copolymer class may be styrene-acrylic copolymers.
  • Acrylic copolymers of different types with differing mechanical properties may be blended with each other to achieve the desired final properties of the treated fiber.
  • the advantages of the acrylic copolymers can be summarized as
  • Typical textile softening agents for use in the present disclosure as component D include those that are known to act as textile softening agents, wherein the mixture including the textile softening agent provides a smoother handle to the textile. Textile softening agents can act to improve the sewability of threads, or the softness or more pleasing tactile sensation of carpets and knitted fabrics. Textile softening agents can act to enhance lubricity when used to treat yarns, fabrics, textiles, carpets, and the like. Suitable examples of such agents are described by Rudat in U.S. Patent Appl. No.
  • 2008 0287020 as being aminosilicones or aminosiloxanes, oils of various types, polyalkylene glycols, polyalkylene waxes, partially- oxidized polyalkylene waxes, lanolin and lanolin derivatives, fatty acids, fatty acid esters, oxidized or functionalized polyolefins, and stearates. Rudat describes the use of
  • polysiloxane compounds such as amino functional poly dime thylsiloxane; fatty acid condensation products, such as condensation products of hydrated tallow with 2- [2- aminoethyl) -amino] ethanol; and acetate salt (CAS No. 68425-52-5) or acryl compounds such as bis [acryl oxyethyl] -hydroxymethyl ammonium methyl sulfate (CAS No. 93334-15-7) are suitable in principle as softeners.
  • a softener from the above mentioned compounds or a mixture of them can be included in the composition according to the invention.
  • Suitable softeners have been described previously by Baumann in EP 1,746, 199 Bl.
  • Such textile and carpeting softeners are commercially available, and examples of suitable products are Finistrol® AFN (fatty acid condensation product) of Thor, Speyer, Germany, and Megasoft® JET-LF of Huntsman Textile Effects, Langweid am Lech, Germany; Perrustol® CCA 500 (fatty acid condensation product) of Rudolf GmbH & Co. KG, Geretsried, Germany;
  • the present invention furthermore relates to a method comprising applying a treatment system as described a fabric and/or carpet, whereby the content of applied the stainblocking composition is > 1% to ⁇ 10% (wt/wt) based on the weight of the fabric and/or carpet.
  • the content of the stainblocking composition is > 2% to ⁇ 8% [0049]
  • the aforementioned components, as well as the claimed components and the components to be used in accordance with the invention in the described embodiments, are not subject to any special exceptions with respect to their size, shape, material selection and technical concept such that the selection criteria known in the pertinent field can be applied without limitations.
  • the term“owf’ means“on weight of fiber” and relates to the amount of solids of protective chemidal protectant applied after evaporation of solvent.
  • the value of solids applied owf is typically expressed as a percentage of the mass of fiber present in the article.
  • I-Pro R01 #410.1 is a fluorine-free soil-repellent agent sold by Invista.
  • Rewin KF is a polymer of 4’4-sulfonylbisphenol sulfomethylated sodium salt with formaldehyd
  • Rewin KMB a polymeric aromatic sulfonate
  • Rewin KNR a condensation product of aromatic sulfonic acids; all three sold by CHT, Germany as fastness improving agent.
  • Rewin ACP is a polyammonium compound sold by CHT, Germany as cationic after- treatment agent.
  • test should be carried out on backed samples. Unbacked samples can be used, but for comparative tests only. (If an unbacked sample is to be tested it should be heated to 120 °C for 5 minutes prior to testing).

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

La présente invention concerne une composition antitache pour tissus et/ou tapis comprenant un agent antitache alcalin, en particulier un arylsulfonate ou une arylsulfone.
PCT/IB2019/058969 2018-10-24 2019-10-22 Procédé et produits pour conférer une protection contre les taches WO2020084457A1 (fr)

Applications Claiming Priority (2)

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DE102018126485 2018-10-24
DE102018126485.2 2018-10-24

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WO2020084457A1 true WO2020084457A1 (fr) 2020-04-30

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5447755A (en) 1993-02-02 1995-09-05 E. I. Du Pont De Nemours And Company Substrates treated with bis(hydroxyphenyl) sulfone stain-resists
US5952409A (en) * 1996-01-31 1999-09-14 3M Innovative Properties Company Compositions and methods for imparting stain resistance and stain resistant articles
WO2001004408A1 (fr) * 1999-07-08 2001-01-18 E.I Du Pont De Nemours And Company Procede permettant de conferer une resistance aux taches a une surface de textile presentant une aptitude a etre teinte differentiellement, et article produit par ce procede
US20030204015A1 (en) 2002-04-17 2003-10-30 Burleigh Malcolm B. Repellent fluorochemical compositions
EP1746199A1 (fr) 2005-07-15 2007-01-24 INVISTA (Deutschland) GmbH Composition anti-tache et anti-salissure
US20080287020A1 (en) 2007-05-18 2008-11-20 Rudat Martin A Method and composition for treating fibrous substrates
US20110311757A1 (en) 2009-12-10 2011-12-22 Invista North America S.A.R.I. Soil repellency aqueous dispersions, soil repellant soft articles, and methods of making the same

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5447755A (en) 1993-02-02 1995-09-05 E. I. Du Pont De Nemours And Company Substrates treated with bis(hydroxyphenyl) sulfone stain-resists
US5952409A (en) * 1996-01-31 1999-09-14 3M Innovative Properties Company Compositions and methods for imparting stain resistance and stain resistant articles
WO2001004408A1 (fr) * 1999-07-08 2001-01-18 E.I Du Pont De Nemours And Company Procede permettant de conferer une resistance aux taches a une surface de textile presentant une aptitude a etre teinte differentiellement, et article produit par ce procede
US20030204015A1 (en) 2002-04-17 2003-10-30 Burleigh Malcolm B. Repellent fluorochemical compositions
EP1746199A1 (fr) 2005-07-15 2007-01-24 INVISTA (Deutschland) GmbH Composition anti-tache et anti-salissure
EP1746199B1 (fr) 2005-07-15 2007-09-12 Invista Technologies S.Ar.L Composition anti-tache et anti-salissure
US20090130374A1 (en) * 2005-07-15 2009-05-21 Invista North America S.A.R.L. Stain and soil repellent composition
US20080287020A1 (en) 2007-05-18 2008-11-20 Rudat Martin A Method and composition for treating fibrous substrates
US20110311757A1 (en) 2009-12-10 2011-12-22 Invista North America S.A.R.I. Soil repellency aqueous dispersions, soil repellant soft articles, and methods of making the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CHEMICAL ABSTRACTS, Columbus, Ohio, US; abstract no. 93334-15-7

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