US3578491A - Wool-polyester textile articles having a polymeric finish - Google Patents

Wool-polyester textile articles having a polymeric finish Download PDF

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Publication number
US3578491A
US3578491A US731612A US3578491DA US3578491A US 3578491 A US3578491 A US 3578491A US 731612 A US731612 A US 731612A US 3578491D A US3578491D A US 3578491DA US 3578491 A US3578491 A US 3578491A
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US
United States
Prior art keywords
weight
copolymer
vinyl acetate
wool
grams
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
US731612A
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English (en)
Inventor
James W Dowd
Robert D Jacobs
Harry L Mercer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JP Stevens and Co Inc
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JP Stevens and Co Inc
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Publication date
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Publication of US3578491A publication Critical patent/US3578491A/en
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Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/507Polyesters
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/263Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2369Coating or impregnation improves elasticity, bendability, resiliency, flexibility, or shape retention of the fabric
    • Y10T442/2393Coating or impregnation provides crease-resistance or wash and wear characteristics
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2762Coated or impregnated natural fiber fabric [e.g., cotton, wool, silk, linen, etc.]

Definitions

  • this invention concerns a process employing a polymeric composition substantially comprising an ethylenically unsaturated aliphatic acid component combined with an alkyd resin which is used to upgrade the permanent press and permanent crease properties of wool-polyester blends.
  • Wool-polyester blends as used herein refer to articles which comprise at least from 15 to 85% by weight polyester with the residium being wool or wool blended with non-woolen yarns.
  • polyester as used herein includes fibers derived by the polycondensation of ester-forming monomers according to procedures known in the polyester art.
  • Textiles including wool and cellulose, are treated to improve their wash and wear properties such as wrinkle resistance, their ability to retain pleats or creasing, and to minimize shrinkage upon laundering.
  • Woolen-synthetic blends such as woolen-polyester blends are particularly desirable substrates, especially for summer wear because the incorporating of the synthetic yarn into the woolen article permits the use of lighter weight fabrics without sacrificing strength.
  • An additional object of this invention is the production of light-weight wool-polyester fabrics possessing a durable wash-and-wear finish not subject to noticeable mark-0E and not requiring after-wash.
  • a further object of this invention is to provide a method of manufacturing press-free, crease-retained garments which are given a final cure after the garments are completely finished and are otherwise ready to Wear.
  • a related object of this invention is the preparation of press-free, crease-retained wool-polyester garments which will withstand repeated launderings without suffering from loss of crease or pleats and excess wrinkling.
  • a wool-polyester substrate is treated with a modifying amount of the novel polymeric composition of this invention which includes:
  • a copolymer of vinyl acetate and an ethylenically unsaturated acid whose vinyl acetate content comprises from 40 to 60% by weight of the copolymer and Whose ethylenically unsaturated acid component comprises from 60-40% by weight of the copolymer, and
  • the treated substrate is dried, partially cured, fabricated into the desired textile article, given the desired shape or configuration, and finally cured to permanently set the configuration or shape into the article.
  • the wool-polyester blend in the form of a washed fabric is passed through a conventional dipping or padding machine containing an aqueous dispersion or emulsion of:
  • the treated fabric is passed through squeeze-type rollers operating under pressure to extract the excess pollution from the treated fabric.
  • the treated fabric is then sized on a standard tenter U frame and is simultaneously dried as it passes along the frame and optionally partially cured. Finally, the fabric is collected on a suitable container such as a drum for fabrication or subsequent shipping to a garment fabricator.
  • the treated fabric is cut, sewed, finished and any desired pleats or creases are put mechanically or manually into the garment.
  • the garments are put into either a grament-setting oven or are completely cured by exposing the pleats or creases to the action of a standard hothead press using a steam bath for a few seconds and cooling.
  • the preferred acid components of the polymeric compositions employed as treating agents are of the acrylic acid type (i. e., its salts, homologues and their salts). These include acrylic acid, methacrylic acid, the alkali metal, ammonium, and alkaline earth salts. Other related ethylenically unsaturated acids such as crotonic and itaconic and their anhydrides can be employed.
  • the mode of preparing the copolymers of vinyl acetate and the ethylenically unsaturated acid component is not critical as long as the concentration of the two components is Within the prescribed limits.
  • solution, suspension, or emulsion methods may be used with comparable results.
  • ALKYD RESIN C
  • TEMPERATURES AND HEATING TIMES The particular heating temperatures and the length of heating are not critical as long as the particular purpose, drying, precuring, curing, etc., is accomplished.
  • the application of the polymeric treating composition to the substrate is ordinarily carried out at about C. to 50 C., lower or higher temperatures can be employed if desired.
  • the drying of the treated substrate is carried out between 100 C. and 160 C., lower temperatures can be employed if longer drying times are provided for and higher temperatures can be employed as long as the substrate is not deformed or damaged.
  • the optional precuring or partial curing is carried out between about 140 C.
  • the final curing of the garment or article after pleating, creasing or the like can be accomplished using several well-known devices such as a hothead press or a garment-setting oven. Ordinarily, the complete and final cure can be accomplished between about 140 C. and 175 C. for a period of time ranging from 2 seconds and above.
  • the treating bath in addition to the required polymeric treating composition can contain various textile adjuvants. These include, but are not limited to softeners, surfactants, brighteners, antistatic agents, stain release agents, and the like.
  • Example l.--Demonstrating efficacy of inventive polymeric compositions as wash-and-wear finishes A sample (designated as A) of a 35% Wool-65% Dacron polyester blend lightweight fabric (6 oz. per sq. yd.) is padded with an admixed solution comprising:
  • the wet pick-up is found to be The percentage add-on of solids based on the weight of the fabric is 1.8%.
  • the fabric is dried at C. for /2 hour, then heated for 2 minutes at C., and subsequently fabricated into a pair of mens slacks.
  • the second identical sample of fabric (B) is padded with a bath comprising 1000 grams of distilled water at 38 C. to give the same Wet pick-up of 80% is dried and precured at the same temperatures and time, and also is fabricated into slacks.
  • a third identical fabric sample (C) is padded at 38 C. with a bath made up by mixing 30 grams of a 50% emulsion of the alkyd resin used for (A) with 970 grams of water. Thereafter, the pick-up, drying and precuring steps are performed as in (A) and (B) and also fabricated into slacks.
  • a fourth identical fabric sample (D) is padded with a bath made by mixing 30 grams of a 25% aqueous emul sion of a copolymer comprising 60% by Weight of bound vinyl acetate and 40% by weight of bound acrylic acid with 970 grams of water.
  • the padding is conducted at 38 C. and the pick-up, drying and heating steps are as Wash- Grease andreten- Sample wear tion Hand
  • A Inventive composition 5. 5.0 Very good.
  • B Water 3. 0 3.0 Originalexcellent.
  • C Alkyd resin 3. 0 3. 0 Excellent.
  • Example 2 Establishing ratio of vinyl acetate to ethylenically unsaturated acid component for optimum results
  • Five samples of a 35% wool65% Dacron polyester blend fabric (6 oz. per sq. yard) designated (A) to (E) are padded at 38 C. to give a wet pick-up of approximately 80%, and excess solution is removed.
  • the samples are dried for 2 hours at 100 C., heated at 115 C. for 4 minutes, and fabricated into mens slacks. Creases are set into the trousers and all are cured on a hothead press using a three-second steam treatment.
  • Wash- Grease andreten- Wear tion Copolymer content rating rating (A) 87% by weight vinyl acetate, 13% by weight acrylic acid 3.5 3.5 (B) 70% by weight vinyl acetate, 30% by weight acryhc act 3.0 3.0 (C) 60% by weight vinyl acetate, 40% by weight acry 0 acid 5.0 5.0 (D) 50% by Weight vinyl acetate, 50% by weight acrylic acid 4. 5 5. 0 (E) 40% by weight vinyl acetate, 60% by weight acrylic acid 4.5 4.0 (F) 30% by weight vinyl acetate, 70% by weight acrylic acid 3.5 3.0 (G) 20% by weight vinyl acetate, by weight acryhc acid 3.0 3.0
  • Example 3 Comparison of the high-content vinyl acetate-acrylic acid polymers of US. 2,737,462 and the polymeric compositions of the present invention
  • A a 55% wool 45% Dacron polyester fabric (9 oz. per sq. yard) designated (A) is padded at 45 C. through a bath comprising an aqueous dispersion of:
  • the second sample of the identical wool-polyester fabric is treated exactly as in (A) except that the pad bath (B) is comprised of a two-component system:
  • Both (A) and (B) are washed five times and tumble dried after each washing.
  • Example 4 The use of other acrylic acid type materials in the inventive process The procedure described in Part (A) of Example 1 is followed exactly except that in different runs a portion of the acrylic acid is replaced by the following components in the quantities indicated:
  • the copolyrners of the present invention substantially improve the Wash-and-wear properties of wool-polyester fabric blends, yet do not produce stiff hand or cause color shading or mark-01f problems.
  • the polymeric composition of this invention contains an alkyd resin whose presence unexpectedly greatly increases the hand of the Washand-wear product. Hand is difiicult to quantitate but im portant in the commercial acceptance of any wash-and wear composition.
  • a textile article having substantially improved washand-wear properties, good hand and free from color shading upon curing comprising a wool-polyester article impregnated with 0.442% of its weight of a polymeric composition consisting essentially of:

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
US731612A 1968-05-23 1968-05-23 Wool-polyester textile articles having a polymeric finish Expired - Lifetime US3578491A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73161268A 1968-05-23 1968-05-23

Publications (1)

Publication Number Publication Date
US3578491A true US3578491A (en) 1971-05-11

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ID=24940241

Family Applications (1)

Application Number Title Priority Date Filing Date
US731612A Expired - Lifetime US3578491A (en) 1968-05-23 1968-05-23 Wool-polyester textile articles having a polymeric finish

Country Status (8)

Country Link
US (1) US3578491A (zh)
BE (1) BE733520A (zh)
CH (1) CH782369D (zh)
DE (1) DE1926523A1 (zh)
ES (1) ES367561A1 (zh)
FR (1) FR2009188A1 (zh)
GB (1) GB1251887A (zh)
NL (1) NL6907848A (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110005008A1 (en) * 2009-04-16 2011-01-13 Schoots Harrie P Vinyl acetate/ethylene (vae) copolymers for fabric finishing
US11902124B2 (en) 2015-06-05 2024-02-13 Cisco Technology, Inc. Round trip time (RTT) measurement based upon sequence number

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110005008A1 (en) * 2009-04-16 2011-01-13 Schoots Harrie P Vinyl acetate/ethylene (vae) copolymers for fabric finishing
US11902124B2 (en) 2015-06-05 2024-02-13 Cisco Technology, Inc. Round trip time (RTT) measurement based upon sequence number

Also Published As

Publication number Publication date
DE1926523A1 (de) 1969-11-27
ES367561A1 (es) 1971-07-16
NL6907848A (zh) 1969-11-25
CH782369D (zh) 1900-01-01
GB1251887A (zh) 1971-11-03
BE733520A (zh) 1969-11-03
FR2009188A1 (zh) 1970-01-30

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