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US20150140884A1 - Stretchable coated fabric and process for producing same - Google Patents

Stretchable coated fabric and process for producing same Download PDF

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Publication number
US20150140884A1
US20150140884A1 US14/406,510 US201314406510A US2015140884A1 US 20150140884 A1 US20150140884 A1 US 20150140884A1 US 201314406510 A US201314406510 A US 201314406510A US 2015140884 A1 US2015140884 A1 US 2015140884A1
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US
United States
Prior art keywords
fabric
stretchable
synthetic resin
coated fabric
repellency
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.)
Abandoned
Application number
US14/406,510
Other languages
English (en)
Inventor
Masahiro Mizuma
Yasuhiro Horikawa
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.)
Seiren Co Ltd
Original Assignee
Seiren Co Ltd
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 Seiren Co Ltd filed Critical Seiren Co Ltd
Assigned to SEIREN CO., LTD. reassignment SEIREN CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HORIKAWA, YASUHIRO, MIZUMA, MASAHIRO
Assigned to SEIREN CO., LTD. reassignment SEIREN CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HIRIKAWA, YASUHIRO, MIZUMA, MASAHIRO
Assigned to SEIREN CO., LTD. reassignment SEIREN CO., LTD. CORRECTIVE ASSIGNMENT TO CORRECT THE REMOVE ASSIGNMENT (PTAS 50303323) PREVIOUSLY RECORDED ON REEL 034444 FRAME 0056. ASSIGNOR(S) HEREBY CONFIRMS THE ORIGINAL ASSIGNMENT. Assignors: HORIKAWA, YASUHIRO, MIZUMA, MASAHIRO
Publication of US20150140884A1 publication Critical patent/US20150140884A1/en
Abandoned legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
    • D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
    • 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
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
    • D04B1/18—Other fabrics or articles characterised primarily by the use of particular thread materials elastic threads
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/14—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes
    • D04B21/16—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes incorporating synthetic threads
    • 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
    • D06M15/244—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons
    • D06M15/256—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons 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
    • 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
    • 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
    • D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
    • 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
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0009—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using knitted fabrics
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06N3/042—Acrylic polymers
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
    • D06N3/128—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with silicon polymers
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
    • D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
    • D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
    • D06N3/142—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes mixture of polyurethanes with other resins in the same layer
    • D06N3/144—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes mixture of polyurethanes with other resins in the same layer with polyurethane and polymerisation products, e.g. acrylics, PVC
    • 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
    • D06M2101/32—Polyesters
    • 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
    • D06M2200/10—Repellency against liquids
    • D06M2200/12—Hydrophobic properties
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2201/00—Chemical constitution of the fibres, threads or yarns
    • D06N2201/02—Synthetic macromolecular fibres
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2201/00—Chemical constitution of the fibres, threads or yarns
    • D06N2201/02—Synthetic macromolecular fibres
    • D06N2201/0263—Polyamide fibres
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2203/00—Macromolecular materials of the coating layers
    • D06N2203/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06N2203/041—Polyacrylic
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2203/00—Macromolecular materials of the coating layers
    • D06N2203/06—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06N2203/068—Polyurethanes
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2209/00—Properties of the materials
    • D06N2209/14—Properties of the materials having chemical properties
    • D06N2209/142—Hydrophobic
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2211/00—Specially adapted uses
    • D06N2211/10—Clothing
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/10—Physical properties porous
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2403/00—Details of fabric structure established in the fabric forming process
    • D10B2403/01—Surface features
    • D10B2403/011—Dissimilar front and back faces
    • D10B2403/0112—One smooth surface, e.g. laminated or coated
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2501/00—Wearing apparel
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated 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
    • Y10T442/2008—Fabric composed of a fiber or strand which is of specific structural definition
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated 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
    • Y10T442/2041—Two or more non-extruded coatings or impregnations
    • Y10T442/2098—At least two coatings or impregnations of different chemical composition

Definitions

  • the present disclosure relates to a stretchable coated fabric and a process for producing the same.
  • C8 fluorinated water repellent refers to a fluorinated water repellent that containing an emulsion of a copolymer comprises a perfluoroalkyl group with eight or more carbon atoms dispersed in a medium.
  • the EPA US Environmental Protection Agency
  • the C8 fluorinated water repellents contain perfluorooctanoic acid, perfluorooctane sulfonate, and the like. These compounds degrade in the environment and in organisms. As their degradation products accumulate in the environment and in organisms, the compounds place a heavy burden on the environment. Thus, there is a need for a fluorinated water repellent that does not contain these compounds.
  • C6 fluorinated water repellent refers to a fluorinated water repellent that comprises a copolymer comprises a perfluoroalkyl group with six or less carbon atoms.
  • Patent Literature 1 discloses a water-oil-repellent fabric using a C6 fluorinated water repellent and a process for producing the same.
  • a synthetic resin solution that contains an organic solvent has been applied, for example by a dry process, to a fabric given a water-oil-repellency using a C6 fluorinated water repellent.
  • the C6 fluorinated water repellent has a relatively lower water-oil-repellency, compared with the conventional C8 fluorinated water repellent. If the C6 fluorinated water repellent is used to treat a fiber fabric only for water-oil-repellency, the fabric obtains, as initial performance, similar water-oil-repellency to a fabric using the C8 fluorinated water repellent. However, when the fiber fabric is subsequently coated with a synthetic resin solution, the synthetic resin solution penetrates the fiber fabric. It is presumed that this phenomenon occurs because a fabric treated with a C6 fluorinated water repellent has a lower dynamic oil-repellency offered by coating, compared with a fabric treated with a C8 fluorinated water repellent. Consequently, it is difficult to form a continuous resin film on a surface of the fiber fabric, which causes the problem that the necessary performance (hydraulic resistance, moisture permeability, wind proof property, and the like) is not provided.
  • the present disclosure has been developed in view of these problems, and directed to provide a stretchable coated fabric that exerts no influence on the environment and that is highly moisture permeable, waterproof, and windproof and a process for producing the same.
  • a stretchable coated fabric according to a first aspect of the present disclosure is
  • the synthetic resin is at least one selected from acrylic resins, urethane resins, and silicone resins.
  • the stretchable coated fabric has an initial water-repellency (JIS L1092) of a fourth grade or higher, and a water repellency after 20 washings of a third grade or higher.
  • JIS L1092 initial water-repellency
  • the stretchable coated fabric has a hydraulic resistance (JIS L1092 A Method) in a range from 100 to 3000 mmH 2 O and a moisture permeability of 3000 g/m 2 /24 hr or greater (JIS L1092 A-1 Method).
  • JIS L1092 A Method hydraulic resistance in a range from 100 to 3000 mmH 2 O and a moisture permeability of 3000 g/m 2 /24 hr or greater
  • the stretchable coated fabric has an air permeability of 6 cc/cm 2 /sec or less (JIS L1018 Frazier Method).
  • the stretchable fiber fabric is a fabric knitted by a fine gauge knitting machine with 28 gauge or higher.
  • the stretchable fiber fabric is a fabric that primarily comprises polyamide fibers and/or polyester fibers having a total fineness of 84 dtex or less, and that has a basis weight of 200 g/m 2 or less, a warp elongation (JIS L1096 A Method) at a load of 0.5 kgf of 45% or less, and a warp elongation at a load of 2.0 kgf of 75% or less.
  • JIS L1096 A Method JIS L1096 A Method
  • a process for producing a stretchable coated fabric according to a second aspect of the present disclosure comprises
  • the synthetic resin is at least one selected from acrylic resins, urethane resins, and silicone resins.
  • the stretchable fiber fabric is a fabric knitted by a fine gauge knitting machine with 28 gauge or higher.
  • the stretchable fiber fabric is a fabric that primarily comprises polyamide fibers and/or polyester fibers having a total fineness of 84 dtex or less and that has a basis weight of 200 g/m 2 or less, a warp elongation (JIS L1096 A Method) at a load of 0.5 kgf of 45% or less, and a warp elongation at a load of 2.0 kgf of 75% or less.
  • JIS L1096 A Method JIS L1096 A Method
  • the stretchable coated fabric according to the present disclosure is treated for water repellency with a fluorinated water repellent that comprises a copolymer comprises-a perfluoroalkyl group with six or less carbon atoms (C6 fluorinated water repellent).
  • C6 fluorinated water repellent a fluorinated water repellent that comprises a copolymer comprises-a perfluoroalkyl group with six or less carbon atoms
  • C6 fluorinated water repellent no C8 fluorinated water repellents that contain perfluorooctanoic acid, perfluorooctane sulfonate, and the like makes the fabric environmentally friendly.
  • the stretchable fiber fabric treated for water repellency with a C6 fluorinated water repellent has a toluene repellency of 100 seconds or longer; the synthetic resin solution applied to at least one side of the stretchable fiber fabric has a thixotropic index at 23° C.
  • the synthetic resin has a 100% modulus of 5 kgf/cm 2 or greater. This prevents the synthetic resin from leaking to the back side, and allows formation of a resin coating film that has good film forming properties. Consequently, a stretchable coated fabric that has excellent moisture permeability, excellent waterproofness, and excellent windproof property can be provided.
  • the stretchable coated fabric according to an embodiment of the present disclosure will be described in detail below.
  • the stretchable coated fabric according to the embodiment is produced by treating a stretchable fiber fabric for water repellency with a C6 fluorinated water repellent and then applying a synthetic resin to at least one side of the stretchable fiber fabric.
  • the stretchable fiber fabric used in the embodiment includes, for example, woven fabrics, knitted fabrics, nonwoven fabrics, and the like. Among them, knitted fabrics are preferred in terms of stretchability.
  • Fiber materials include, for example, natural fibers such as cotton, hemp, wool, and silk, regenerated fibers such as rayon and cupra, semisynthetic fibers such as acetate and triacetate, and synthetic fibers such as polyamides (nylon 6, nylon 66, and the like), polyesters (polyethylene terephthalate, polytrimethylene terephthalate, and the like), polyurethanes, and polyacrylics. Two or more of these materials may be used in combination.
  • synthetic fibers are preferred in terms of fiber physical properties, and especially, a fabric that comprises polyamide fibers and/or polyester fibers is preferred. It is preferred to combine these fibers with stretchable fibers such as polyurethane fibers to produce, for example, a woven fabric, because it allows for control of stretchability. Moreover, among the polyester fibers, cationic-dyeable polyester fibers are preferred to prevent migration and sublimation of dispersed dye.
  • the yarns that constitute the stretchable fiber fabric have a total fineness of 84 dtex (decitex) or less. If the yarns used in the embodiment have a total fineness of greater than 84 dtex, the yarns produce a hard hand feeling.
  • the stretchable fiber fabric is, for example, a knitted fabric, such yarns produce large irregularities in the surface of the stretchable fiber fabric. Thus, the film-forming properties are reduced. As a result, the fabric may not provide physical properties such as hydraulic resistance and air permeability that are required after coating.
  • the stretchable fiber fabric has a basis weight of 200 g/m 2 or less. If the stretchable fiber fabric has a basis weight of greater than 200 g/m 2 , such fabric provides a heavy garment. And the resulting garment tends to have a hard hand feeling.
  • the stretchable fiber fabric has a warp elongation (JIS L1096 A Method) at a load of 0.5 kgf of 45% or less.
  • the stretchable fiber fabric preferably has a warp elongation at a load of 2.0 kgf of 75% or less. If the fabric has a warp elongation at a load of 0.5 kgf of more than 45% and a warp elongation at a load of 2.0 kgf of more than 75%, the fabric is excessively stretched in the warp direction. This results in a larger reduction in width in the weft direction, and thus the fabric may not provide physical properties such as hydraulic resistance and air permeability that are required after coating.
  • the stretchable fiber fabric used in the embodiment is a fabric knitted by a fine gauge knitting machine with 28 gauge or higher. If the knitting machine has less than 28-gauge needles, the stretchable fiber fabric has a lower knit density, thereby reducing the film forming properties in coating the fabric. Thus, the fabric may not provide the necessary physical properties such as moisture permeability, hydraulic resistance and air permeability.
  • the stretchable fiber fabric may be dyed, where necessary.
  • the stretchable fiber fabric may be, for example, treated for antistatic protection, treated for flame retardancy, and calendered.
  • the fabric is treated for water repellency before application of the synthetic resin.
  • the water-repellent treatment not only improves waterproofness, but also inhibits the synthetic resin solution from deeply penetrating the fiber fabric. This allows prevention of a hard hand feeling of the stretchable fiber fabric and improvement in physical properties such as hydraulic resistance and air permeability.
  • a water repellent used in the embodiment is a fluorinated water repellent that comprises a copolymer comprises a perfluoroalkyl group with six or less carbon atoms (C6 fluorinated water repellent), because such repellent can impart high water repellency and is environmentally and biologically friendly.
  • the C6 fluorinated water repellent is preferably contained in an amount of 80-100% based on the overall water repellents used, and a paraffin-based water repellent and/or a silicone-based water repellent as another water-repellent may be contained in an amount of less than 20%.
  • the water repellent used in the embodiment impart a toluene repellency of 100 seconds or longer to a fabric treated for water repellency when the repellent is combined with the stretchable fiber fabric used, as determined by a measurement method described below. If the fabric has a toluene repellency of less than 100 seconds, the resin more easily penetrates the stretchable fiber fabric. Thus, the resin leaks through the coated surface to the other side, and thus the fabric may not provide the necessary physical properties such as hydraulic resistance and air permeability.
  • the C6 fluorinated water repellent used in the present disclosure may be individually used, or two or more thereof may be used in combination, as long as performance requirements such as water repellency and oil-repellency are met depending on usage.
  • the synthetic resin solution used in the embodiment should have a thixotropic index at 23° C. in a range from 1.4 to 2.0. More preferably, the thixotropic index is in a range from 1.45 to 1.7.
  • the term thixotropic index refers to a viscosity at a low rotation speed divided by a viscosity at a high rotation speed, as determined with a rotary viscometer at constant temperature. If the thixotropic index is less than 1.4, the synthetic resin that has been coated onto the fiber fabric to a desired thickness is flowable until the resin cures, and thus the fabric is unable to retain the coating film. If the thixotropic index is more than 2.0, the viscosity significantly changes relative to shear stress during coating, and thus there is difficulty in controlling the coating form.
  • the synthetic resin solution preferably has a viscosity at 23° C. in a range from 8000 to 25000 mPa ⁇ s, and more preferably in a range from 10000 to 20000 mPa ⁇ s. If the viscosity at 23° C. is less than 8000 mPa ⁇ s, the synthetic resin may deeply penetrate the fiber fabric and produce a hard hand feeling. And the synthetic resin solution may leak through the fiber fabric to the other side. On the other hand, if the viscosity at 23° C. is more than 25000 mPa ⁇ s, streaks and air bubbles are prone to be formed during coating. As a result, it becomes difficult to form a resin film, and thus sufficient hydraulic resistance and sufficient windproof property may not be provided.
  • the synthetic resin used in the present disclosure has a 100% modulus of 5 kgf/cm 2 or greater. If the synthetic resin used has a 100% modulus of less than 5 kgf/cm 2 , it becomes difficult to form a continuous film during coating. The film may also have a reduced strength, and the necessary physical properties such as hydraulic resistance and air permeability may not be achieved.
  • the upper limit for the 100% modulus is preferably less than 60 kgf/cm 2 in order not to impair the hand feeling.
  • the synthetic resin used in the present disclosure can be at least one selected from acrylic resins, urethane resins, and silicone resins. Particularly, the acrylic resins and the urethane resins can be preferably used, because these resins can provide the necessary film strength.
  • These synthetic resins alone may not be able to provide the necessary moisture permeability and the necessary air permeability.
  • a pigment for coloration can be added into these synthetic resins, to the extent that the pigment does not impair the physical properties.
  • inorganic/organic particulates can be added.
  • a crosslinking agent, an antibacterial agent, and/or the like can be added to improve the film strength.
  • the synthetic resin is used in an amount of 70% by weight or more, and 30% by weight or less of inorganic particulates having an average particle size from 0.2 to 20 ⁇ m and an appropriate amount of water are admixed into the synthetic resin. This allows achievement of the necessary moisture permeability and the necessary air permeability. If a coating resin contains the synthetic resin in an amount of less than 70% by weight and inorganic particulates having an average particle size from 0.2 ⁇ m to 20 ⁇ m in an amount of more than 30% by weight, the resulting synthetic resin film has a reduced strength, which is not preferred.
  • the inorganic particulates added have an average particle size from 0.2 ⁇ m to 20 ⁇ m, the necessary hydraulic resistance, the necessary moisture permeability, and the necessary air permeability can be controlled, and the synthetic resin film does not have a significantly reduced strength. If the inorganic particulates added have an average particle size of more than 20 ⁇ m, the film strength is reduced, which is not preferred. If the inorganic particulates added have an average particle size of less than 0.2 ⁇ m, the necessary hydraulic resistance, the necessary moisture permeability, and the necessary air permeability may not be able to be controlled.
  • the stretchable fiber fabric used in the embodiment is previously scoured and dyed according to routine procedures, and then treated, as normally, for water repellency with a C6 fluorinated water repellent as a pretreatment prior to coating.
  • a padding process, a coating process, a gravure coating process, a spraying process, or the like can be employed.
  • the C6 fluorinated water repellent alone may not impart wash resistance to the water repellency, and thus it is preferred to add a melamine or isocyanate crosslinking agent, a crosslinking catalyst, and/or the like, when the fabric is treated for water repellency.
  • a melamine or isocyanate crosslinking agent such as sodium melamine or isocyanate
  • a crosslinking catalyst such as sodium sulfate
  • an antistatic agent, a sewability enhancer, and/or the like also may be added, where necessary.
  • the fabric Before or after the treatment for water repellency, the fabric may also be calendered, where necessary.
  • a mixed aqueous dispersion of an emulsion of a fluorinated water repellent and an emulsion of polyethylen may be used as a water repellent.
  • use of a silicone resin, a lubricant, and/or the like, for example, can further improve the hand feeling, the smoothness, and the like.
  • a process for coating at least one side of the stretchable fiber fabric with the synthetic resin in the embodiment is a common knife coating process.
  • a known coating device such as a floating knife coater or a knife over roll coater can be used to coat at least one side of the stretchable fiber fabric with the synthetic resin.
  • the fabric is preferably dried in a common hot air dryer at a temperature from 100 to 120° C. for 1 to 5 minutes.
  • the coating resin is preferably applied in an amount so that the resin solids present in an amount from 12 to 25 g/m 2 . If the resin solids present in an amount of less than 12 g/m 2 , the fabric is less likely to provide the necessary physical properties such as hydraulic resistance and air permeability. On the other hand, if the resin solids present in an amount of more than 25 g/m 2 , the fabric tends to have a hard hand feeling.
  • the stretchable coated fabric in the embodiment has an initial water-repellency (JIS L1092) of a fourth grade or higher and a water repellency after 20 washings of a third grade or higher.
  • the stretchable coated fabric preferably has a hydraulic resistance (JIS L1092 A Method) in a range from 100 to 3000 mmH 2 O.
  • the stretchable coated fabric for outdoor and sports applications preferably has a hydraulic resistance of 300 mmH 2 O or higher.
  • the stretchable coated fabric in the embodiment has a moisture permeability (JIS L1092 A-1 Method) of 3000 g/m 2 /24 hr or greater. If the stretchable coated fabric has a moisture permeability of less than 3000 g/m 2 /24 hr, the fabric becomes stuffy when worn as a garment, which may bring about a discomfort.
  • JIS L1092 A-1 Method JIS L1092 A-1 Method
  • the stretchable coated fabric in the embodiment has an air permeability of 6 cc/cm 2 /sec or less (JIS L1018 Frazier Method).
  • the fabric can be used as a common windproof material.
  • a stretchable coated fabric is required to have a smaller air permeability.
  • some applications have required a smaller air permeability.
  • a stretchable coated fabric in such application preferably has an air permeability from 1 to 3 cc/cm 2 /sec or less.
  • the stretchable coated fabric having an air permeability of more than 6 cc/cm 2 /sec cannot provide sufficient windproofness, when worn as a sports garment.
  • the uncoated side or the coated side may be used as the outer surface.
  • the uncoated side is used as the outer surface for water repellency, although the coated side may be used as the outer surface. In the latter case, however, the water repellency is reduced due to the coating resin film, which is not preferred.
  • stretchable coated fabrics according to Examples 1-5 of the present disclosure were produced to evaluate their performance. And for comparison, stretchable coated fabrics of Comparative Examples 1-4 were produced to evaluate their performance.
  • the thixotropic index of the synthetic resin solutions is a ratio of a viscosity at a rotation speed of 6 rpm to a viscosity at a rotation speed of 30 rpm, as determined at 23° C. with a Brookfield-type (BM-type) viscometer from Toki Sangyo Co., Ltd. with a No. 4 spindle (without guard), and is represented by a general formula (A):
  • the viscosity of the synthetic resin solutions is a viscosity at a rotation speed 12 rpm at 23° C., as determined with a Brookfield-type (BM-type) viscometer from Toki Sangyo Co., Ltd. with a No. 4 spindle (without guard).
  • BM-type Brookfield-type viscometer
  • modulus refers to the stress required to stretch a test specimen to a given elongation, and was measured as described below.
  • a crosslinking agent for the coating resin composition was added to a synthetic resin to be measured, and then a diluting solvent for the coating resin composition was added to dilute the synthetic resin solution so that the resin solution had a viscosity from 3000 to 5000 mPa ⁇ s at room temperature.
  • the synthetic resin solution was injected into a mold to form a resin film having a thickness of about 0.2 mm, and then dried at ambient temperature. After drying, the film was treated with heat at 150° C. for 3 minutes to cure the film. In this way, a sheet of the synthetic resin was prepared and cut with a dumbbell-shaped die to produce a No.
  • Toluene as an organic solvent was added dropwise via syringe onto a stretchable fiber fabric treated for water repellency to form a droplet having a diameter of 5 mm, and then the time for the toluene to completely penetrate the fabric was measured.
  • Measurement was made with a specimen having a width of 5 cm, a grip distance of 20 cm, a tensile speed of 200 mm/min, and a load of 0.5 kgf and 2.0 kgf.
  • the hand feeling of a specimen was evaluated according to the following criteria.
  • the quality of the coated surface was evaluated by observing the resin film covering the coated surface according to the following criteria.
  • the coating resin does not significantly penetrate the fabric, and the resin film covers the coated surface of the fabric.
  • the coating resin slightly penetrates the fabric, although the resin film almost covers the coated surface of the fabric.
  • the coating resin mostly penetrates the fabric, and little resin film is formed on the coated surface.
  • a 33 dtex/36 filament polyester yarn was used to knit an interlock knitted fabric by a 40 gauge flat knitting machine. Then, the fabric was scoured and dyed according to routine procedures.
  • the knitted fabric dyed had a basis weight of 74 g/m 2 .
  • the knitted fabric had a warp elongation at a load of 0.5 kgf of 8.6% and a warp elongation at a load of 2.0 kgf of 24.9%.
  • the knitted fabric produced above was immersed in an aqueous solution containing two types of C6 fluorinated water repellents as described in Composition 1.
  • the fabric was wrung out by a mangle (to a wet pick-up of 55% by weight), dried at 120° C. for 60 seconds, and then treated with heat at 160° C. for 60 seconds for water repellency.
  • the toluene repellency of the water-repellent fabric was measured to be 153 seconds.
  • a synthetic resin solution as described in Composition 2 was applied by a floating knife coating process using a knife coater.
  • the solution was applied to the knitted fabric in an amount so that the resin solids present in an amount of 16 g/m 2 , and then treated with heat at 120° C. for a minute. Then, the fabric was heat-set at 150° C. to give a stretchable coated fabric of Example 1.
  • the stretchable coated fabric had a basis weight of 90 g/m 2 .
  • the synthetic resin solution had a viscosity of 15900 mPa ⁇ s (as determined with a Brookfield-type (BM-type) viscometer) and a thixotropic index at 23° C. of 1.44.
  • the fabric had an air permeability of 1 cc/cm 2 /sec, a hydraulic resistance of 300 mmH 2 O, a moisture permeability of 6568 g/m 2 /24 hr, an initial water repellency of a fourth grade, and a water repellency after 20 washings of a third grade.
  • the stretchable coated fabric had a soft hand feel.
  • the coating resin did not significantly penetrate the fabric, and the resin film covered the coated surface of the fabric.
  • a 22 dtex/24 filament polyester yarn was used to knit an interlock knitted fabric by a 40 gauge flat knitting machine. Then, the fabric was scoured and dyed according to routine procedures.
  • the knitted fabric dyed had a basis weight of 55 g/m 2 .
  • the knitted fabric had a warp elongation at a load of 0.5 kgf of 9.6% and a warp elongation at a load of 2.0 kgf of 23.0%.
  • the knitted fabric produced above was immersed in an aqueous solution containing two types of C6 fluorinated water repellents as described above in Composition 1.
  • the fabric was wrung out by a mangle (to a wet pick-up of 53% by weight), dried at 120° C. for 60 seconds, and then treated with heat at 160° C. for 60 seconds for water repellency.
  • the toluene repellency of the water-repellent fabric was measured to be 144 seconds.
  • the synthetic resin solution as described above in Composition 2 was applied by a floating knife coating process using a knife coater.
  • the solution was applied to the knitted fabric in an amount so that the resin solids present in an amount of 16 g/m 2 , and then treated with heat at 120° C. for a minute.
  • the fabric was heat-set at 150° C. to give a stretchable coated fabric of Example 2.
  • the stretchable coated fabric had a basis weight of 71 g/m 2 .
  • the fabric had an air permeability of 1 cc/cm 2 /sec, a hydraulic resistance of 220 mmH 2 O, a water-vapor permeability of 8384 g/m 2 /24 hr, an initial water repellency of a fourth grade, and a water repellency after 20 washings of a third grade.
  • the stretchable coated fabric had a soft hand feel. When the quality of the coated surface was observed, the coating resin did not significantly penetrate the fabric, and the resin film covered the coated surface of the fabric.
  • a 56 dtex/48 filament 6 nylon yarn was used to knit a 32 gauge tricot knitted fabric. Then, the fabric was scoured and dyed according to routine procedures.
  • the knitted fabric dyed had a basis weight of 178 g/m 2 .
  • the knitted fabric had a warp elongation at a load of 0.5 kgf of 8.2% and a warp elongation at a load of 2.0 kgf of 19.3%.
  • the knitted fabric produced above was immersed in an aqueous solution containing two types of C6 fluorinated water repellents having different performance characteristics as described above in Composition 1.
  • the fabric was wrung out by a mangle (to a wet pick-up of 56% by weight), dried at 120° C. for 60 seconds, and then treated with heat at 160° C. for 60 seconds for water repellency. After the water-repellent treatment, the toluene repellency of the water-repellent fabric was measured to be 174 seconds.
  • the synthetic resin solution as described above in Composition 2 was applied by a floating knife coating process using a knife coater.
  • the solution was applied to the knitted fabric in an amount so that the resin solids present in an amount of 16 g/m 2 , and then treated with heat at 120° C. for a minute.
  • the fabric was heat-set at 150° C. to give a stretchable coated fabric of Example 3.
  • the stretchable coated fabric had a basis weight of 194 g/m 2 .
  • the fabric had an air permeability of 3 cc/cm 2 /sec, a hydraulic resistance of 180 mmH 2 O, a moisture permeability of 7240 g/m 2 /24 hr, an initial water repellency of a fourth grade, and a water repellency after 20 washings of a third grade.
  • the stretchable coated fabric had a soft hand feel.
  • the coating resin did not significantly penetrate the fabric, and the resin film covered the coated surface of the fabric.
  • An 84 dtex/72 filament polyester yarn was used to knit an interlock knitted fabric by a 28 gauge flat knitting machine. Then, the fabric was scoured and dyed according to routine procedures.
  • the knitted fabric dyed had a basis weight of 188 g/m 2 .
  • the knitted fabric had a warp elongation at a load of 0.5 kgf of 5.3% and a warp elongation at a load of 2.0 kgf of 10.5%.
  • the knitted fabric produced above was immersed in an aqueous solution containing two types of C6 fluorinated water repellents having different performance characteristics as described above in Composition 1.
  • the fabric was wrung out by a mangle (to a wet pick-up of 54% by weight), dried at 120° C. for 60 seconds, and then treated with heat at 160° C. for 60 seconds for water repellency. After the water-repellent treatment, the toluene repellency of the water-repellent fabric was measured to be 163 seconds.
  • the synthetic resin solution as described above in Composition 2 was applied by a floating knife coating process using a knife coater.
  • the solution was applied to the knitted fabric in an amount so that the resin solids present in an amount of 16 g/m 2 , and then treated with heat at 120° C. for a minute.
  • the fabric was heat-set at 150° C. to give a stretchable coated fabric of Example 4.
  • the stretchable coated fabric had a basis weight of 204 g/m 2 .
  • the fabric had an air permeability of 1 cc/cm 2 /sec, a hydraulic resistance of 220 mmH 2 O, a moisture permeability of 8453 g/m 2 /24 hr, an initial water repellency of a fourth grade, and a water repellency after 20 washings of a third grade.
  • the stretchable coated fabric had a soft hand feel.
  • the coating resin did not significantly penetrate the fabric, and the resin film covered the coated surface of the fabric.
  • Example 2 To a water-repellent knitted fabric as used in Example 1, a synthetic resin solution as described in Composition 3 was applied by a floating knife coating process using a knife coater. The solution was applied to the knitted fabric in an amount so that the resin solids present in an amount of 19 g/m 2 , and then treated with heat at 120° C. for a minute. Then, the fabric was heat-set at 150° C. to give a stretchable coated fabric of Example 5. The stretchable coated fabric had a basis weight of 93 g/m 2 .
  • the synthetic resin solution had a viscosity of 24800 mPa ⁇ s (as determined with a Brookfield-type (BM-type) viscometer) and a thixotropic index at 23° C. of 1.69.
  • the fabric had an air permeability of 0.5 cc/cm 2 /sec, a hydraulic resistance of 360 mmH 2 O, a moisture permeability of 6165 g/m 2 /24 hr, an initial water repellency of a fourth grade, and a water repellency after 20 washings of a third grade.
  • the stretchable coated fabric had a soft hand feel. When the quality of the coated surface was observed, the coating resin did not significantly penetrate the fabric, and the resin film covered the coated surface of the fabric.
  • Example 1 To a water-repellent knitted fabric as used in Example 1, a synthetic resin solution as described in Composition 4 was applied by a floating knife coating process using a knife coater. The solution was applied to the knitted fabric in an amount so that the resin solids present in an amount of 18 g/m 2 , and then treated with heat at 120° C. for a minute. Then, the fabric was heat-set at 150° C. to give a stretchable coated fabric of Comparative Example 1. The stretchable coated fabric had a basis weight of 92 g/m 2 .
  • SA-6218 100.0 parts by weight (Acrylic resin solution (having a 100% modulus of 4 kgf/cm 2 ) from Tohpe Corp.) 2) RESAMINE UD crosslinking agent 2.0 parts by weight (Urethane crosslinking agent from Dainichiseika Color & Chemicals Mfg. Co., Ltd.) 3) Toluene 8.0 parts by weight (Diluting solvent)
  • the synthetic resin solution had a viscosity of 15500 mPa ⁇ s (as determined with a Brookfield-type (BM-type) viscometer) and a thixotropic index at 23° C. of 1.32.
  • the fabric had an air permeability of 12 cc/cm 2 /sec, a hydraulic resistance of 90 mmH 2 O, a moisture permeability of 8965 g/m 2 /24 hr, an initial water repellency of a fourth grade, and a water repellency after 20 washings of a third grade.
  • the stretchable coated fabric had a slightly hard hand feel. When the quality of the coated surface was observed, the coating resin slightly penetrated the fabric, although the resin film almost covered the coated surface of the fabric.
  • a water-repellent fabric as used in Comparative Example 1 was treated for water repellency with a C8 fluorinated water repellent as described below in Composition 5. Then, the synthetic resin solution as described in Composition 4 was applied by a floating knife coating process using a knife coater. The solution was applied to the knitted fabric in an amount so that the resin solids present in an amount of 16 g/m 2 , and then treated with heat at 120° C. for a minute. Then, the fabric was heat-set at 150° C. to give a stretchable coated fabric of Comparative Example 2. When the toluene repellency of the water-repellent fabric was measured prior to the coating, the toluene did not penetrate the fabric for 600 seconds or longer. The stretchable coated fabric had a basis weight of 90 g/m 2 .
  • the fabric had an air permeability of 0.5 cc/cm 2 /sec, a hydraulic resistance of 300 mmH 2 O, a moisture permeability of 6350 g/m 2 /24 hr, an initial water repellency of a fourth-to-fifth grade, and a water repellency after 20 washings of a fourth grade.
  • the stretchable coated fabric had a soft hand feel.
  • the coating resin did not significantly penetrate the fabric, and the resin film covered the coated surface of the fabric. According to the above, the fabric treated with the C8 fluorinated water repellent had good physical properties.
  • Example 2 To a water-repellent knitted fabric as used in Example 1, a synthetic resin solution as described in Composition 6 was applied by a floating knife coating process using a knife coater. The solution was applied to the knitted fabric in an amount so that the resin solids present in an amount of 16 g/m 2 , and then treated with heat at 120° C. for a minute. Then, the fabric was heat-set at 150° C. to give a stretchable coated fabric of Comparative Example 3. The stretchable coated fabric had a basis weight of 90 g/m 2 .
  • the synthetic resin solution had a viscosity of 19400 mPa ⁇ s (as determined with a Brookfield-type (BM-type) viscometer) and a thixotropic index at 23° C. of 1.42.
  • the fabric had an air permeability of 8 cc/cm 2 /sec, a hydraulic resistance of 140 mmH 2 O, a moisture permeability of 7920 g/m 2 /24 hr, an initial water repellency of a fourth grade, and a water repellency after 20 washings of a third grade.
  • the stretchable coated fabric had a slightly hard hand feel. When the quality of the coated surface was observed, the coating resin slightly penetrated the fabric, although the resin film almost covered the coated surface of the fabric.
  • a knitted fabric as used in Example 2 was immersed in an aqueous solution containing a single type of a C6 fluorinated water repellent as described in Composition 7.
  • the fabric was wrung out by a mangle (to a wet pick-up of 53% by weight), dried at 120° C. for 60 seconds, and then treated with heat at 160° C. for 60 seconds for water repellency. After the water-repellent treatment, the toluene repellency of the water-repellent fabric was measured to be 36 seconds.
  • NUVA 2114 LIQ 6.0% by weight C6 fluorinated water repellent from Clariant (Japan) K.K.
  • NICEPOLE FE-26 0.5% by weight Antistatic agent from Nicca Chemical Co., Ltd.
  • MEIKANATE TP 10 0.5% by weight Isocyanate crosslinking agent from Meisei Chemical Works, Ltd.
  • Isopropyl alcohol 3.0% by weight Penetration enhancer
  • the synthetic resin solution as described above in Composition 2 was applied by a floating knife coating process using a knife coater.
  • the solution was applied to the knitted fabric in an amount so that the resin solids present in an amount of 17 g/m 2 , and then treated with heat at 120° C. for a minute.
  • the fabric was heat-set at 150° C. to give a stretchable coated fabric of Comparative Example 4.
  • the stretchable coated fabric had a basis weight of 72 g/m 2 .
  • the fabric had an air permeability of 10 cc/cm 2 /sec, a hydraulic resistance of 80 mmH 2 O, a moisture permeability of 7453 g/m 2 /24 hr, an initial water repellency of a fourth grade, and a water repellency after 20 washings of a third grade.
  • the stretchable coated fabric had a hard hand feel. When the quality of the coated surface was observed, the coating resin slightly penetrated the fabric, although the resin film almost covered the coated surface of the fabric.
  • Example 1 Example 2
  • Example 3 Example 4
  • Example 5 Fabric Fiber 33 dtex 22 dtex 56 dtex 84 dtex 33 dtex polyester polyester nylon polyester polyester Knit Gauge 40 40 32 28 40 Fabric Basis Weight 74 55 178 188 74 Water Repellent C6 Water C6 Water C6 Water C6 Water Repellent Repellent Repellent Repellent Toluene Repellency (Sec) 153 144 174 163 153 Warp 0.5 kg 8.6 9.6 8.2 5.3 8.6 Elongation 2.0 kg 24.9 23.0 19.3 10.5 24.9 (%) Resin Type Acrylic Acrylic Acrylic Acrylic Acrylic 100% Modulus 9 9 9 9 9 9 9 Thixotropic Index of 1.44 1.44 1.44 1.69 Coating Resin Air Permeability 1 1 3 1 0.5 Hydraulic Resistance 300 220 180 220 360 Moisture Permeability 6568 8384 7240 8453 6165 Water Initial 4th grade 4th grade 4th grade 4th grade 4th grade 4th grade Repellency After 20 3rd grade 3
  • the fabrics had an initial water repellency of a fourth grade and a water repellency after 20 washings of a third grade, which were sufficient.
  • the fabrics also had a soft hand feeling and a good quality of the coated surface, as their resin film almost covered the coated surface of the fabric.
  • the synthetic resin (coating resin) of the stretchable coated fabric of Comparative Example 1 had a thixotropic index at 23° C. of 1.32, which did not meet the requirement in a range from 1.4 to 2.0, a 100% modulus of 4 kgf/cm 2 , which did not meet the requirement of 5 kgf/cm 2 or greater. Consequently, the fabric had a large air permeability of 12 cc/cm 2 /sec and thus had insufficient windproof property. The fabric also had a low hydraulic resistance of 90 mmH 2 O, and thus the waterproofness was problematic. And the fabric had a hard hand feeling, and the quality of the coated surface was problematic.
  • the stretchable coated fabric of Comparative Example 2 had no problem with the air permeability, the hydraulic resistance, the moisture permeability, the hand feeling, and the quality of the coated surface, although the fabric did not solve the environmentally sensitive problem, as the fabric uses a C8 fluorinated water repellent instead of a C6 fluorinated water repellent.
  • the synthetic resin (coating resin) of the stretchable coated fabric of Comparative Example 3 had a thixotropic index at 23° C. of 1.42, which met the requirement in a range from 1.4 to 2.0, and a 100% modulus of 4 kgf/cm 2 , which did not meet the requirement of 5 kgf/cm 2 or greater. Consequently, the fabric had a high air permeability of 8 cc/cm 2 /sec and thus had insufficient windproof property. The fabric also had a slightly insufficient hydraulic resistance of 140 mmH 2 O or higher. And the fabric also had a problem with the hand feel and the quality of the coated surface.
  • the synthetic resin (coating resin) of the stretchable coated fabric of Comparative Example 4 had a thixotropic index at 23° C. of 1.44, which met the requirement in a range from 1.4 to 2.0, and a 100% modulus of 9 kgf/cm 2 , which met the requirement of 5 kgf/cm 2 or greater.
  • the fluorinated water repellent had a small toluene repellency of 36 seconds, which did not meet the requirement of 100 seconds or longer. Consequently, the fabric had a large air permeability of 10 cc/cm 2 /sec and thus had insufficient windproof property.
  • the fabric also had an insufficient hydraulic resistance of 80 mmH 2 O or higher. And the fabric had a problem with the hand feel and the quality of the coated surface.
  • the synthetic resin (coating resin) of the stretchable coated fabric of Example 5 had a thixotropic index at 23° C. of 1.69, which was larger than the thixotropic index of 1.44 of the stretchable coated fabrics of Examples 1-4.
  • the fabric had a smaller air permeability of 0.5 cc/cm 2 /sec and thus had particularly good_windproof property.
  • the fabric also had a larger hydraulic resistance of 360 mmH 2 O and thus had good waterproofness.
  • the stretchable coated fabrics according to the embodiment and Examples have good water-vapor permeability, good waterproofness, and good windproofness.
  • the fabrics are favorably used for outdoor and sports applications in the garment field.
  • the stretchable coated fabric according to the present disclosure is suitable for a garment fabric used for outdoor and sports applications.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Knitting Of Fabric (AREA)
  • Laminated Bodies (AREA)
US14/406,510 2012-06-11 2013-06-10 Stretchable coated fabric and process for producing same Abandoned US20150140884A1 (en)

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JP2012132309A JP5596081B2 (ja) 2012-06-11 2012-06-11 伸縮性コーティング布帛及びその製造方法
JP2012-132309 2012-06-11
PCT/JP2013/065950 WO2013187360A1 (ja) 2012-06-11 2013-06-10 伸縮性コーティング布帛及びその製造方法

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US11530307B2 (en) 2018-12-26 2022-12-20 Shin-Etsu Chemical Co., Ltd. Stretchable film and method for forming the same
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JP7467029B2 (ja) * 2019-04-23 2024-04-15 Ｋｂセーレン株式会社 ポリアミド系高密度編地
JP7377630B2 (ja) * 2019-06-11 2023-11-10 小松マテーレ株式会社 防風性布帛
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JP2013256727A (ja) 2013-12-26
WO2013187360A1 (ja) 2013-12-19
CN104364437A (zh) 2015-02-18
JP5596081B2 (ja) 2014-09-24
RU2014154146A (ru) 2016-07-27
EP2860308A4 (en) 2016-03-16

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