EP0579976B1 - Schmutz- und fleckabweisende Teppichfasern und Verfahren zu ihrer Herstellung - Google Patents

Schmutz- und fleckabweisende Teppichfasern und Verfahren zu ihrer Herstellung Download PDF

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Publication number
EP0579976B1
EP0579976B1 EP19930110171 EP93110171A EP0579976B1 EP 0579976 B1 EP0579976 B1 EP 0579976B1 EP 19930110171 EP19930110171 EP 19930110171 EP 93110171 A EP93110171 A EP 93110171A EP 0579976 B1 EP0579976 B1 EP 0579976B1
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EP
European Patent Office
Prior art keywords
yarn
fiber
stainblocker
carpet
soil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP19930110171
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English (en)
French (fr)
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EP0579976A1 (de
Inventor
Ling Yeh
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BASF Corp
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BASF Corp
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Filing date
Publication date
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Publication of EP0579976A1 publication Critical patent/EP0579976A1/de
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Publication of EP0579976B1 publication Critical patent/EP0579976B1/de
Anticipated expiration legal-status Critical
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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
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/253—Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/60—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from 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
    • 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
    • D06M13/207—Substituted carboxylic acids, e.g. by hydroxy or keto groups; Anhydrides, halides or salts thereof
    • D06M13/21—Halogenated carboxylic acids; Anhydrides, halides or salts thereof
    • D06M13/213—Perfluoroalkyl 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
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
    • D06M15/277—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof containing fluorine
    • 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
    • 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 present invention relates generally to carpet fibers and, more particularly, to carpet fibers having substantial soil hiding, soil repellent and acid dye stain resistant characteristics and a process for producing such fiber.
  • MR modification ratio
  • fiber encompasses both staple fibers and continuous filaments.
  • Yarn means a continuous strand of fiber in a form suitable for knitting, weaving, or otherwise intertwining to form a fabric.
  • Synthetic fibers used to make carpet yarn and ultimately carpet must possess certain characteristics in order for the carpet made from these fibers to be durable and satisfactory floor covering. Due to high volume foot traffic, carpets tend to become dull, dirty and reveal paths where people habitually tread, e.g., the center of a hallway. As a consequence, carpets should resist soiling for long periods and hide any soil which does accumulate. As a further attribute, a carpet should be resistant to staining by materials commonly found in households and commercial environments. One notorious source of staining is the acid dyes found in beverages like fruit juice and colored children's drinks. Various efforts have been directed to producing carpet fibers which possess as many of these attributes as possible.
  • Hollow trilobal fibers are known to generally provide soil hiding characteristics when used to make carpet.
  • EP-A516 119 (US 5,208,107) describe a hollow trilobal fiber.
  • Stainblockers for imparting acid stain resistance to polyamide carpeting yarns are known as well. While present stainblocker technology encompasses several chemical classes, of most concern here are certain aromatic-formaldehyde condensation products, some of which are also known as novolacs, and other sulfonated materials.
  • U.S. Patent No. 5,061,763 to Moss III et al. describes a stainblocker composition which is prepared by polymerizing an acrylic monomer in the presence of sulfonated aromatic-formaldehyde condensation products. Patents describing the use of novolacs as stainblockers for carpets are U.S. Patent No.
  • the present invention allows a particularly effective treatment to carpet fibers through control of application conditions at high speeds.
  • the fiber produced by this process has excellent properties that were previously unachievable in a fiber. These properties include improved soiling and staining resistance, soil resistance, superior cover, superior appearance retention, low flammability, a firm hand and ease of processing.
  • the present invention provides a method for producing carpet yarn having substantial soil hiding, soil repellent and resistance to staining with acid dyes by forming at least one hollow trilobal fiber from a molten nylon polymer having an amine end group level below 25 meq/kg, the fiber having a modification ratio of at least 2 and a void volume of at least 3%; quenching the formed fiber sufficiently to solidify the molten nylon; immediately after quenching, at a yarn speed of at least 300 mpm, finishing the fiber with spin finish containing fluorochemical; fully drawing the finished fiber; texturing the finished yarn by a hot fluid texturing process; and subsequently, applying to the textured yarn a sulfonated stainblocker, the stainblocker being heated to at least 50°C and applied while the fiber temperature is at least 100°C.
  • the yarn travels at a rate sufficient to immediately cool down and permit fixation of the stainblocker while minimizing penetration of stainblocker into the yarn.
  • a carpet yarn which resists staining by acid dyes and has substantial soil hiding and soil repellent characteristics.
  • the yarn includes 10 to 35 denier per filament hollow fibers defining a trilobal surface with a modification ratio of at least 2 and a void volume of at least 3% and formed from a nylon polymer having an amine end group level below 25 meq/kg. Fluorochemical is applied to the surface of said fiber as a spin finish and stainblocker is applied to the spin finished surface immediately after texturing.
  • Another object of this invention to prepare polyamide carpet fiber which resists and hides soil.
  • a further object of this invention is to apply stainblockers to carpet fiber such that the stainblockers resist penetrating into the fiber's interior and yet are fixed primarily on the surface of the fiber.
  • a first embodiment of the present invention involves a method for producing carpet yarn which has resistance to staining by acid dyes and soiling.
  • the method involves forming and quenching a fiber from a nylon polymer.
  • the quenched fiber is finished with a spin finish containing fluorochemical; and subsequently, a stainblocker is applied at 50-95°C immediately after the texturizing operation while the fiber is no less than 100°C.
  • the first step involves forming the fiber.
  • Fibers preferred in the invention are hollow trilobal fibers having regular or irregular cross-sections, e.g., lobe spacing may be even or uneven. Suitable modification ratios include 2 and higher.
  • the void volume is at least 3% of the fiber cross-section, preferably 3-8% and most preferably, around 5%.
  • the fiber denier per filament (“dpf") should be suitable for the requirements of carpet yarn, that is, from 10-35 dpf, preferably from 15-30, and most preferably, from 20-25 dpf. Continuous filament yarns are preferred.
  • Useful nylon polymers include any fiber forming polyamide, especially nylon 6 and nylon 6,6.
  • Conventional melt spinning techniques may be used according to the polymer being extruded. Spinning conditions should vary according to the cross-section to be made, i.e., the denier, modification ratio and void volume.
  • a spinneret suitable for producing the hollow trilobal should be used.
  • One source of spinnerets is the Kasen Nozzle Company.
  • the nylon polymer may be modified with an amine end group blocker to produce an amine end group level below 25 meq/kg of polymer.
  • Amine end groups (“AEG”) may be measured by dissolving nylon chip or dry yarn in a mixture of phenol and methanol solution at 50°C and titrating the solution with hydrochloric acid. The results are reported as milliequivalent of AEG per kilogram of sample.
  • Two suitable amine end group blockers are caprolactone and butrolactone. In most cases, about 0.4% by weight of caprolactone or 0.6% by weight of butrolactone will produce the desired AEG levels.
  • Those of ordinary skill in the art will recognize that extrusion temperature, reaction time and pressure affect AEG levels.
  • the amine end group blocker is preferably added as a liquid at the throat of the extruder.
  • the end group blocker may be added during the production of chip or during polymerization of the nylon 6.
  • Other methods of incorporating the amine end group blocker may also be suitable.
  • Pigments and other colorants and, optionally, delusterants, flame retardants and other additives may be added to the polymer according to the standard techniques for adding materials of the type. Pigments are available from various sources. Pigments exhibiting flame retarding action such as carbon black and others disclosed in U.S. Patent No. 5,024,869 to Yeh et al. are especially preferred. When pigments are used, they may be added as a pigment concentrate which is blended with the chip or added as a melt into a side-arm extruder. Again, all known methods for pigmenting (or adding colorant to) fiber may be used.
  • the still molten strands are quenched according to known methods of quenching extruded fibers. For example, cooled air (14-17°C) flowed at 90 to 110 ft/min (27.4 to 33.5 m/min) is crossed-flowed to the freshly extruded molten filaments.
  • cooled air 14-17°C
  • ft/min 27.4 to 33.5 m/min
  • the fiber is finished with a spin finish containing a fluorochemical.
  • the fluorochemical finish is applied while the filaments are still fresh from spinning and before other finishes, etc., are applied to the filament surfaces.
  • the finish is supplied to yarn traveling at about 300-1300 mpm. It is believed that young yarn (freshly spun) enables the fluorochemical application speeds possible with the present invention.
  • the fluorochemical is applied at a rate sufficient to yield 350-750 ppm fluorine owf, and most preferably, 500 ppm.
  • One suitable applicator for applying the fluorochemical containing spin finish is described in U.S. Pat. No. 4,325,322.
  • Fluorochemical finishes featuring low flammability are especially preferred. They include those available from Minnesota Mining and Manufacturing Company ("3M”), St. Paul, Minnesota. Preferred fluorochemicals include FX360 from 3M.
  • the yarn may be wound up after finishing but before drawing. (See FIG. 2.) Conventional wind-up techniques may be used.
  • the finished fiber whether wound up or supplied directly from finishing should be drawn so that it is fully oriented.
  • draw ratios typically, draw ratios of 2.7-3.5 are used. Most normally a draw ratio of 3.0 is used.
  • the yarn is texturized.
  • Hot fluid jet texturizing methods are used because they open the yarn structure.
  • the jet texturizing method described in U.S. Pat. No. 4,522,774 is suitable, and this patent is incorporated herein by reference for the texturizing process taught therein.
  • a sulfonated stainblocker is applied to the fiber.
  • Suitable stainblockers include those available from 3M as FX661 and FX369 and from BASF Corporation, Parsippany, New Jersey, as BASF Stain Protector.
  • the stainblocker must be applied while the fiber is hot from texturing.
  • the fiber is at least 100°C.
  • the stainblocker should be heated to 50°C or higher preferably at least 70°C. Application rates of at least 4% owf are preferred.
  • the stainblocker may be applied by several methods including spraying with a spray nozzle or atomizer. During this step the yarn is traveling at 1200-3500 mpm.
  • FIG. 1 is a thread flow diagram showing the present invention as a one-step process.
  • FIG. 1 illustrates a thread flow diagram for a one-step process according to the present invention.
  • Nylon chips are fed into chip hopper for supply to extruder 12.
  • extruder 12 or chip hopper 10
  • various functional additives e.g., pigments, AEG blockers, may be added as discussed above.
  • Extruder 12 melts the nylon and forces it to spin beam 14 where nylon filament 16 of the desired shape and denier are extruded and quenched.
  • the spin finish containing fluorochemical is applied via applicator 18 and the yarn is passed to drawing stage 20 shown being accomplished by godet pairs 21 and 22 which operate at different speeds.
  • the yarn is textured by hot air bulking jet 25.
  • stainblocker is applied by a suitable applicator 27.
  • the yarn might then be interlaced and wound-up.
  • FIG. 2 is a thread flow diagram of a two-step process of the present invention following wind-up after finish application.
  • Yarn is extruded and finish applied as shown through applicator 18 (FIG. 1) after which it is wound-up as undrawn feed yarn 30 for later use.
  • Undrawn feed yarn 30 is unwound and drawn between godet pairs 32, 33 operating at different speeds to facilitate drawing.
  • the yarn is texturized with hot air jet 35 and, while still warm from texturizing, stainblocker is applied with applicator 37. Air interlacing 39 and winding 40 may follow.
  • the yarn may be prepared by the preceding process. Such a yarn provides good covering power and colorfastness with a firm hand. It exhibits desirable luster, has improved soiling and staining properties and has greater than 0.45 watts/cm 2 radiant panel flammability when flame retardants are added.
  • said carpet yarn is fully oriented.
  • a further embodiment of the present invention is a method for applying stain - blockers to carpet yarn.
  • Cut pile carpets are made by standard tufting methods from cabled and heatset yarns. Carpet construction is 35 oz/yd (1085 g/m), 1/8 gauge and 5/8" (1.59 cm) pile height.
  • Loop pile carpets are made by standard tufting methods from non-heatset yarns. Carpet construction is 28 oz/yd (868 g/m), 1/8 gauge and 3/8" (0.95 cm) pile height.
  • a trilobal hollow cross-section fiber, 2.7 MR and 5.0% void, is formed from nylon 6 (B700, relative viscosity of 2.7; measured at a concentration of 1 g of fiber per 100 ml in 96% strength by weight sulfuric acid at 25°C) having an amine end group of about 20 meq/kg is made by adding 2% (based on polymer weight) butyrolactone in the extruder.
  • the following spinning conditions are used: 1. Extruder Temperature Zone 1 265°C Zone 2 270°C Zone 3 275°C Zone 4 280°C Zone 5 280°C 2.
  • Capillary/Spinnerette 68 Denier 1300 A fluorochemical is applied to the yarn during spinning and a stainblocker is applied during texturing.
  • the fluorochemical spin finish is a mixture of fluorochemical (FX360 from 3M), lubricant, antistatic agent and emulsifier applied at a yarn speed of 800 mpm.
  • the stainblocker is FX369 from 3M.
  • the stainblocker is diluted by 50% by weight with water, heated to about 70°C and sprayed at 1.0 gallon (4.54 l) per hour on a semiplug coming out of a texturing operation at about 150°C and 1750 mpm.
  • the amount of fluorochemical and stainblocker applied to the yarn is about 500 ppm fluorine and four percent stainblocker.
  • Level loop and cut pile carpets are made as described. Floor wear and soil, tetrapod wear, and various stain tests are performed on these samples. The results are presented in TABLE 1.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Artificial Filaments (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Coloring (AREA)

Claims (10)

  1. Verfahren zur Herstellung eines gut schmutzdeckenden, weitgehend schmutzabweisenden und im wesentlichen säurefarbstoffresistenten Teppichgarns, bei dem man:
    (a) ein geschmolzenes Nylonpolymer mit einem Aminendgruppengehalt von unterhalb 25 mval/kg zu mindestens einer dreilappigen Hohlfaser mit einem Modifizierungsquotienten von mindestens 2 und einem Hohlraumvolumen von mindestens 3% ausformt,
    (b) die ausgeformte Faser derart anbläst, daß das schmelzflüssige Nylon erstarrt,
    (c) die Faser unmittelbar nach dem Anblasen mit einer Garngeschwindigkeit von mindestens 300 mpm mit einer auf Fluorchemikalien basierenden Ausrüstung präpariert,
    (d) die präparierte Faser voll verstreckt,
    (e) das präparierte Garn nach einem Heißfluidverfahren texturiert und
    (f) anschließend auf das texturierte Garn ein auf mindestens 50°C erhitztes sulfoniertes Fleckenschutzmittel bei einer Fasertemperatur von mindestens 100°C aufträgt, wobei das Garn dabei ausreichend schnell geführt wird, daß es sich danach sofort abkühlt, so daß das Fleckenschutzmittel fixiert wird und nur minimal in das Garn einzieht.
  2. Verfahren nach Anspruch 1, bei dem man weiterhin (g) das präparierte Garn vor dem Strecken aufwickelt.
  3. Verfahren nach den Ansprüchen 1 oder 2, bei dem man mit einem auf 14-17°C abgekühlten und mit einer Geschwindigkeit von 90 bis 110 Fuß pro Minute angelieferten Gas anbläst.
  4. Verfahren nach den Ansprüchen 1 bis 3, bei dem man mit einer solchen Menge an Fluorchemikalien präpariert, daß sich auf der Faser ein Fluorauftrag von 350 bis 750 ppm, bezogen auf das Fasergewicht, ergibt.
  5. Verfahren nach den Ansprüchen 1 bis 4, bei dem man 2,7-3,5fach verstreckt.
  6. Säurefarbstoffresistentes, gut schmutzdeckendes und weitgehend schmutzabweisendes, nach dem Verfahren gemäß einem der Ansprüche 1 bis 5 erhältliches Teppichgarn mit:
    (a) einen Einzeltiter von 10 bis 35 Denier aufweisenden Hohlfasern mit einer dreilappigen Oberfläche mit einem Modifizierungsquotienten von mindestens 2 und einem Hohlraumvolumen von mindestens 3% aus einem Nylonpolymer mit einem Aminendgruppengehalt unterhalb 25 mval/kg,
    (b) einer als Präparationsmittel auf die Faseroberfläche aufgetragenen Fluorchemikalie sowie
    (c) einem unmittelbar nach der Texturierung auf die präparierte Oberfläche aufgetragenen Fleckenschutzmittel.
  7. Teppichgarn nach Anspruch 6, wobei das Teppichgarn voll orientiert ist.
  8. Teppichgarn nach den Ansprüchen 6 bis 7, wobei das Fleckenschutzmittel in einer Menge von mindestens 4%, bezogen auf das Fasergewicht, vorliegt.
  9. Teppich aus dem Teppichgarn gemäß den Ansprüchen 6 bis 8.
  10. Verfahren zur Herstellung eines säurefarbstoffresistenten Teppichgarns, bei dem man:
    (a) ein Fleckenschutzmittel auf mindestens 50°C erhitzt,
    (b) das erhitzte Fleckenschutzmittel auf eine eine Temperatur von mindestens etwa 100°C aufweisende Teppichfaseroberfläche aufträgt und
    (c) unmittelbar danach sofort abkühlt, wobei das Fleckenschutzmittel an der Faseroberfläche fixiert wird, ehe es zu einem nennenswerten Anteil in die Faser eindiffundieren kann.
EP19930110171 1992-07-15 1993-06-25 Schmutz- und fleckabweisende Teppichfasern und Verfahren zu ihrer Herstellung Expired - Lifetime EP0579976B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US91468092A 1992-07-15 1992-07-15
US914680 1992-07-15

Publications (2)

Publication Number Publication Date
EP0579976A1 EP0579976A1 (de) 1994-01-26
EP0579976B1 true EP0579976B1 (de) 1998-05-27

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EP (1) EP0579976B1 (de)
DE (1) DE69318767T2 (de)
SI (1) SI9300383B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5948480A (en) * 1997-03-31 1999-09-07 E.I. Du Pont De Nemours And Company Tandem application of soil and stain resists to carpeting
CN110273186B (zh) * 2019-07-12 2024-10-29 海阳科技股份有限公司 一种抗uv尼龙6用纺丝制备装置及其使用方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4192754A (en) * 1978-12-28 1980-03-11 Allied Chemical Corporation Soil resistant yarn finish composition for synthetic organic polymer yarn
US4565717A (en) * 1983-10-20 1986-01-21 E. I. Dupont De Nemours And Company Antisoiling treatment of synthetic filaments
US4648830A (en) * 1985-05-13 1987-03-10 Allied Corporation Spinnerette for producing hollow trilobal cross-section filament
DE3683151D1 (de) * 1986-03-06 1992-02-06 Monsanto Co Fleckenabweisende nylonfasern.
US4822373A (en) * 1988-03-11 1989-04-18 Minnesota Mining And Manufacturing Company Process for providing polyamide materials with stain resistance with sulfonated novolak resin and polymethacrylic acd

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SI9300383B (en) 2001-12-31
DE69318767T2 (de) 1998-10-08
EP0579976A1 (de) 1994-01-26
DE69318767D1 (de) 1998-07-02
SI9300383A (en) 1994-03-31

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