EP1803844A1 - Tissu ou tricot en fibres composites crepees dont la permeabilite a l'air est amelioree par mouillage par l'eau et vetements associes - Google Patents
Tissu ou tricot en fibres composites crepees dont la permeabilite a l'air est amelioree par mouillage par l'eau et vetements associes Download PDFInfo
- Publication number
- EP1803844A1 EP1803844A1 EP05788318A EP05788318A EP1803844A1 EP 1803844 A1 EP1803844 A1 EP 1803844A1 EP 05788318 A EP05788318 A EP 05788318A EP 05788318 A EP05788318 A EP 05788318A EP 1803844 A1 EP1803844 A1 EP 1803844A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- woven
- knitted fabric
- water
- filaments
- air permeability
- 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.)
- Granted
Links
- 239000004744 fabric Substances 0.000 title claims abstract description 324
- 239000002131 composite material Substances 0.000 title claims abstract description 253
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 236
- 230000035699 permeability Effects 0.000 title claims abstract description 132
- 238000009736 wetting Methods 0.000 title abstract description 45
- 239000000835 fiber Substances 0.000 title abstract description 20
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- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical class OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 4
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- ISPYQTSUDJAMAB-UHFFFAOYSA-N 2-chlorophenol Chemical compound OC1=CC=CC=C1Cl ISPYQTSUDJAMAB-UHFFFAOYSA-N 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
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- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
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- YPFDHNVEDLHUCE-UHFFFAOYSA-N propane-1,3-diol Chemical compound OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 2
- 230000002940 repellent Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
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- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 2
- 230000035900 sweating Effects 0.000 description 2
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- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 description 1
- 239000004640 Melamine resin Substances 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229920000299 Nylon 12 Polymers 0.000 description 1
- 229920001007 Nylon 4 Polymers 0.000 description 1
- 229920003189 Nylon 4,6 Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
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- 125000002091 cationic group Chemical group 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
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- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- WUOBERCRSABHOT-UHFFFAOYSA-N diantimony Chemical compound [Sb]#[Sb] WUOBERCRSABHOT-UHFFFAOYSA-N 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- BXKDSDJJOVIHMX-UHFFFAOYSA-N edrophonium chloride Chemical compound [Cl-].CC[N+](C)(C)C1=CC=CC(O)=C1 BXKDSDJJOVIHMX-UHFFFAOYSA-N 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000036449 good health Effects 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 150000002433 hydrophilic molecules Chemical class 0.000 description 1
- 239000003230 hygroscopic agent Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- KYTZHLUVELPASH-UHFFFAOYSA-N naphthalene-1,2-dicarboxylic acid Chemical compound C1=CC=CC2=C(C(O)=O)C(C(=O)O)=CC=C21 KYTZHLUVELPASH-UHFFFAOYSA-N 0.000 description 1
- 150000004714 phosphonium salts Chemical group 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920006146 polyetheresteramide block copolymer Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002215 polytrimethylene terephthalate Polymers 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- BYMHXIQVEAYSJD-UHFFFAOYSA-M sodium;4-sulfophenolate Chemical compound [Na+].OC1=CC=C(S([O-])(=O)=O)C=C1 BYMHXIQVEAYSJD-UHFFFAOYSA-M 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000003017 thermal stabilizer Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
-
- 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
- D04B1/20—Other fabrics or articles characterised primarily by the use of particular thread materials elastic threads crimped threads
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
- A41B1/00—Shirts
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
- A41B17/00—Selection of special materials for underwear
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
- A41D31/14—Air permeable, i.e. capable of being penetrated by gases
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/292—Conjugate, i.e. bi- or multicomponent, fibres or filaments
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/30—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the fibres or filaments
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
- D03D15/567—Shapes or effects upon shrinkage
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
- D03D15/573—Tensile strength
-
- 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
- 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
-
- 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
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
- A41B2400/00—Functions or special features of shirts, underwear, baby linen or handkerchiefs not provided for in other groups of this subclass
- A41B2400/20—Air permeability; Ventilation
-
- 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
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- 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]
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- 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
- D10B2401/02—Moisture-responsive characteristics
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- 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
-
- 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
- D10B2501/04—Outerwear; Protective garments
-
- 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.]
- Y10T442/30—Woven fabric [i.e., woven strand or strip material]
- Y10T442/3146—Strand material is composed of two or more polymeric materials in physically distinct relationship [e.g., sheath-core, side-by-side, islands-in-sea, fibrils-in-matrix, etc.] or composed of physical blend of chemically different polymeric materials or a physical blend of a polymeric material and a filler material
- Y10T442/3154—Sheath-core multicomponent strand material
Definitions
- the present invention relates to a woven or knitted fabric and clothes containing crimped composite filaments and having an air permeability which increases when the fabric is wetted with water or, for example, sweat.
- the present invention relates to a woven or knitted fabric comprising composite filaments comprising a polyester component and a polyamide component bonded together in a side-by-side or eccentric core-sheath type structure, and having manifested crimps.
- the present invention relates to a woven or knitted fabric and clothes having an air permeability which reversibly and efficiently increases when the fabric is wetted with water, in comparison with that upon drying.
- a woven or knitted fabric containing crimped synthetic filaments can be used for sportswear such as skiwear, windbreakers and outdoor wear, and outerwear such as raincoats and men and women's coats, etc.
- an air-permeable self-adjusting type woven or knitted fabric having an air permeability that is increased by wetting with water and that is decreased by drying has been proposed.
- the air permeability of the clothes increases so as to rapidly remove the water remaining in the clothes to dry the clothes.
- the air permeability of the clothes decreases after drying to increase the warmth-retaining effect of the clothes. Therefore, good wearability of the clothes can always be maintained regardless of whether the wearer sweats or not.
- Patent Reference 1 discloses an air permeable self-adjusting type woven or knitted fabric comprising composite filaments (A) in which a modified poly(ethylene terephthalate) containing a sulfonate group and a nylon are bonded together in a side-by-side type structure, and filaments (B) the dimensions of which do not substantially change even when the humidity changes.
- A composite filaments
- B filaments
- the air permeability of the woven or knitted fabric is reversibly increased upon wetting with water in comparison with that upon drying, an amount of change in air permeability is practically insufficient.
- Patent Reference 2 discloses a woven or knitted fabric comprising 30% by weight or more of synthetic multifilaments yarn which is formed from a moisture-absorbent polymer (for example, copolymerized polyester polymers in which a hydrophilic compound is copolymerized and a polyether ester amide polymers) and which is one heat-treated so that the yarn has a twist multiplier of 6,800 to 26,000.
- a moisture-absorbent polymer for example, copolymerized polyester polymers in which a hydrophilic compound is copolymerized and a polyether ester amide polymers
- Patent Reference 3 discloses a woven or knitted fabric formed from cellulose acetate filaments (having a percentage of crimp less than 10% at a humidity of 95% RH or more, and a percentage of crimp of 15 to 20% and a number of crimps of 25/25.4 mm at a humidity of 65%, and a percentage of crimp of 20% or more at a humidity of 45% RH or less.
- Patent References 1 and 2 exhibit an air permeability which increases upon absorbing moisture.
- the extent of the change in air permeability is practically insufficient and, thus, an air permeable self-adjusting woven or knitted fabric having a still larger change in air permeability has been desired.
- Patent Reference 1 Japanese Unexamined Patent Publication (Kokai) No. 2003-41462
- Patent Reference 2 Japanese Unexamined Patent Publication (Kokai) No. 10-77544
- Patent Reference 3 Japanese Unexamined Patent Publication (Kokai) No. 2002-180323
- An object of the present invention is to provide a woven or knitted fabric comprising crimped composite filaments and having an air permeability which increases when the fabric is wetted with water and clothes containing the woven or knitted fabric, the woven or knitted fabric and clothes having an air permeability which increases to an adequately high degree for practical use upon being wetted with water in comparison with that upon drying.
- the woven or knitted fabric of the present invention comprises a yarn comprising composite filaments formed from a polyester resin component and a polyamide resin component different from each other in thermal shrinkage and bonded together in a side-by-side structure or in an eccentric core-in-sheath structure, and has crimps manifested by heat treatment applied thereto, the crimped composite filaments being contained in a content of 10 to 100% by mass in the woven or knitted fabric, and satisfying the following requirement: ( DC F - HC F ) ⁇ 10 % wherein DC F represents a percentage of crimp of a sample of crimped composite filaments taken from the woven or knitted fabric, determined by leaving the sample to stand for 24 hours in a test environment at a temperature of 20°C at a humidity of 65% RH to dry and HC F represents a percentage of crimp of another sample of the taken crimped composite filaments, determined by immersing the other sample in water at a temperature of 30°C for 2 hours, pulling up the sample from the
- the polyester resin component comprises a modified polyester resin in which, 5-sodiosulfoisophthalic acid is copolymerized in an amount of 2.0 to 4.5 molar % based on the content of the acid component.
- the yarn comprising the crimped composite filaments has a number of twists of 0 to 300 turns/m.
- the woven or knitted fabric of the present invention comprising crimped composite filaments and having an air permeability which increases when the fabric is wetted with water
- the woven or knitted fabric contains the crimped composite filaments and other filaments different from the crimped composite filaments.
- the other filaments are selected from non-crimped filaments or filaments showing a difference in percentage of crimp DC F - HC F of 10% or less.
- the woven or knitted fabric of the present invention comprising crimped composite filaments and having an air permeability which increases when the fabric is wetted with water
- the woven or knitted fabric comprising the crimped composite filaments is subjected to determination of the stretchability of a stretchable woven fabric in accordance with JIS L1096, 8.14.1 (Method B, except that the load value applied to a sample woven or knitted fabric test piece is altered to 1.47 N, where the woven or knitted fabric is a woven fabric, a stretchability of the woven fabric in at least one direction selected from the warp direction and the weft direction is 10% or more, and where the woven or knitted fabric is a knitted one, the stretchability of the knitted fabric in at least one direction selected from the course direction and the wale direction is 10% or more.
- the woven or knitted fabric of the present invention comprising crimped composite filaments and having an air permeability which increases when the fabric is wetted with water
- the woven or knitted fabric comprising the crimped composite filaments has a multi-ply structure, and at least one ply thereof comprises the crimped composite filaments in an amount of 30 to 100 mass% based on the weight of the ply.
- the woven or knitted fabric of the present invention comprising crimped composite filaments and having an air permeability which increases when the fabric is wetted with water
- the woven or knitted fabric is a knitted fabric having a tubular knitted stitch, and the loop of the tubular knitted stitch is formed from a yarn comprising the crimped composite filaments and the other filaments.
- the woven or knitted fabric of the present invention comprising crimped composite filaments and having an air permeability which increases when the fabric is wetted with water
- the woven or knitted fabric is a woven fabric
- the yarn containing composite filaments is a doubled yarn of the crimped composite filaments and the other or the warp filaments
- the warp and weft yarns or the warp or weft yarn of the woven fabric is constituted from a doubled yarn of the crimped composite filaments and the other filaments.
- the yarns composed of the crimped composite filaments and the yarn composed of the other filaments are alternately arranged with one each other in at least one direction selected from the warp direction and the weft direction, or in at least one direction selected from the course direction and the wale direction.
- the woven or knitted fabric of the present invention comprising crimped composite filaments and having an air permeability which increases when the fabric is wetted with water, from the crimped composite filaments and the other filaments, a core-sheath composite yarn is formed, the core portion of the composite yarn is formed from the crimped composite filaments, and the sheath portion is formed from the other filaments.
- the other filaments are selected from polyester filaments.
- the woven or knitted fabric of the present invention comprising crimped composite filaments and having an air permeability which increases when the fabric is wetted with water
- the woven or knitted fabric is one treated with a water-absorbing agent.
- the woven or knitted fabric of the present invention comprising crimped composite filaments and having an air permeability which increases when the fabric is wetted with water
- the woven or knitted fabric is one treated with a water-repellent treatment.
- the woven or knitted fabric of the present invention comprising crimped composite filaments and having an air permeability which increases when the fabric is wetted with water, the woven or knitted fabric is dyed.
- woven or knitted fabric of the present invention comprising crimped composite filaments and having an air permeability which increases when the fabric is wetted with water
- Clothes comprising the woven or knitted fabric of the present invention comprising the crimped composite filaments and having dimensions which are reversibly enlarged when the fabric is wetted with water to increase the air permeability thereof.
- At least one of the flank, the side, the breast, the back and the shoulder of the clothes is formed from the woven or knitted fabric comprising the crimped composite filaments.
- each of the portions of the clothes formed from the woven or knitted fabric comprising the crimped composite filaments has an area of 1 cm 2 or more.
- the woven or knitted fabric comprising the crimped composite filaments is selected from tubular knitted fabrics and mesh-like coarse woven or knitted fabrics.
- the clothes of the present invention are selected from outerwear, sportswear and underwear.
- the crimped composite filaments contained in the woven or knitted fabric of the present invention have a characteristic property that the percentage of crimp of the filaments decreases 10% or more upon wetting with water in comparison with one upon drying.
- the woven or knitted fabric containing the crimped composite filaments therefore exhibits a significantly increased air permeability upon wetting with water in comparison with one upon drying.
- the woven or knitted fabric containing a crimped composite filaments of the present invention is used as a material for forming whole or a part of outerwear, sportswear or underwear
- the clothes a wearer wears are wetted with water, for example, due to wearer's sweating
- the air permeability of the clothes increases, and the water component retained within the clothes is dried and released.
- the clothes are thus adequately dried, the air permeability decreases, and the warmth retention is improved.
- the wearability is therefore always kept excellent, and the clothes contribute to the maintenance of wearer's good health.
- the crimped composite filaments contained in the woven or knitted fabric of the present invention having an air permeability which increases when the fabric is wetted with water is formed from a polyester resin component and a polyamide component, and has a side-by-side type or an eccentric core-in-sheath type composite filament structure.
- a section 1 comprising a polyester resin component and a section 2 comprising a polyamide resin component are bonded together with a side-by-side relationship, and extend along the longitudinal axis of the composite filament to form an integral composite filament.
- the cross-sectional profile is elliptic, and a section 1 and a section 2 are preferably bonded together approximately along the major axis of the elliptic cross-sectional profile.
- a section 1 comprising a polyester resin component and a section 2 comprising a polyamide resin component 2 are bonded together in such a manner that part of the peripheral face 2a of the section 2 is exposed to the outside and the remaining peripheral face portion is bonded to the section 1.
- the section 1 showing a crescent shape comprises of a polyester resin component
- the section 2 showing an approximately elliptic cross-sectional profile comprises a polyamide resin component
- the section 1 may also be composed of a polyamide resin component
- the section 2 may also be composed of a polyester resin component.
- a section 2 comprising a polyamide resin component is included in a section 1 comprising a polyester resin component, and the peripheral face of the section 2 is never exposed to the outside.
- the central point 1a of the section 1 never agrees with the central point 2b of the section 2, and the central points 1a and 2b are apart from each other.
- the cross-sectional contour of a composite filament contained in the woven or knitted fabric of the present invention is not restricted to those as shown in Figs. 1 to 4.
- the shape may be triangular, quadrangular, polygonal, etc., or it may be internally hollow.
- the polyester resin component and the polyamide resin component are different in thermal shrinkage from each other.
- an amount of thermal shrinkage of the section 1 and one of the section 2 produced when the composite filament is heated are different from each other, and crimp of the composite filament are manifested.
- the mass ratio, of the section 1 to the section 2 that are bonded together is preferably from 30:70 to 70:30, more preferably from 40:60 to 60:40.
- the polyester resin component comprises a polycondensation product of an acid component comprising at least one aromatic dicarboxylic acid, and a diol component comprising at least one alkylene glycol.
- the acid component preferably comprises terephthalic acid, as a major component.
- the diol component preferably contains, as a major component, ethylene glycol, propylene glycol, butylene glycol, etc.
- the polyester resin component preferably comprises, as a copolymerization component, a compound having at least one functional group selected from an alkali metal sulfonate group, an alkaline earth metal sulfonate group and a phosphonium salt group.
- the polyester resin component preferably comprises a modified polyester, for example, a poly(ethylene terephthalate) copolymer, a poly(propylene terephthalate) copolymer or a poly(butylene terephthalate) copolymer containing, as a copolymerization component, an aromatic dicarboxylic acid having, as a functional group, the sulfonic acid salt group as mentioned above.
- a modified polyester for example, a poly(ethylene terephthalate) copolymer, a poly(propylene terephthalate) copolymer or a poly(butylene terephthalate) copolymer containing, as a copolymerization component, an aromatic dicarboxylic acid having, as a functional group, the sulfonic acid salt group as mentioned above.
- the above compounds for copolymerization each having a sulfonic acid salt group contribute to improving an adhesive property of the polyester resin component thus obtained to the polyamide resin component.
- the poly(ethylene terephthalate) copolymer modified with the copolymerization component containing a sulfonic acid salt group is particularly preferably used as the polyester resin component of the crimped composite filament for the woven or knitted fabric of the present invention, because it has an excellent flexibility and a low polymer price.
- Examples of the aromatic dicarboxylic acid having a sulfonic acid salt group include 5-sodium sulfoisophthalic acid and its ester derivatives and 5-phosphnium isophthalic acid and its ester derivatives.
- examples of the hydroxyl compound containing a sulfonate group include sodium p-hydroxybenzenesulfonate.
- 5-sodium sulfoisophthalic acid is preferably used.
- the content of the above copolymerization component is preferably from 2.0 to 4.5 molar % based on a molecular amount of the acid component of the polyester polymer containing the copolymerization component.
- the resultant composite filaments exhibits a sufficient crimping property, while the section composed of the polyester resin component and the section composed of the polyamide resin component may be separated at the interface between them from each other.
- the content of the above copolymerization component exceeds 4.5 molar %, and when the resultant undrawn composite filaments are drawn and heat-treated, crystallization of the section composed of the resultant polyester resin component insufficiently proceeds, and thus it becomes necessary to increase the drawing and heat treatment temperature, and the increased temperature causes breakages, of the resultant yarns, which often occur during the drawing and heat treatment procedures.
- polyamide resin used as the polyamide resin component as long as it has an amide bond in the principal chain and it has fiber forming property.
- polyamide resin examples include nylon 4, nylon 6, nylon 66, nylon 46 and nylon 12.
- nylon 6 and nylon 66 are preferably used in the present invention in view of the excellent flexibility, its relatively low polymer price and the high stability in production step of the polyamide resin.
- the polyester resin component and the polyamide resin component may be respectively, independently from each other and optionally contain at least one type of additives selected from pigments, delustering agents, stain-proofing agents, fluorescent brighteners, flame retardants, stabilizers, antistatic agents, light-resistant agents and UV absorbers.
- the thickness of individual filaments in the composite filaments is preferably in the range of from 1 to 10 dtex, more preferably from 2 to 5 dtex.
- the number of composite filaments contained in one yarn of the composite filaments is preferably from 10 to 200, more preferably from 20 to 100.
- the polyamide resin section formed from the polyamide resin component has a higher thermal shrinkage and a higher moisture absorption self-elongation than those of the polyester resin section formed from the polyester resin component.
- the composite filaments usable for the present invention having a side-by-side or eccentric core-in-sheath type composite filament structure are heated, the polyamide resin section shrinks greater than the polyester resin section.
- the composite filament manifests a crimped structure wherein the resin section having a larger shrinkage amount is situated inside, and the resin section having a smaller shrinkage amount is situated outside.
- the polyamide resin section in the crimped composite filament absorbs a larger amount of water than that of the polyester resin section, and exhibits a larger self-elongation.
- the self-elongation of the polyester resin section caused by water wetting is close to zero.
- the percentage of crimp of a water-wetted crimped composite filament becomes lower than that of a dried crimped composite filament; the apparent length of the water-wetted crimped composite filament becomes greater than that of the dried crimped composite filament.
- the polyamide resin section is dehydrated and shrunk.
- the polyester resin section has substantially no dimensional change, the percentage of crimp of the dried crimped composite filament recovers to the initial one, and the apparent length thereof recovers to the initial one.
- the percentage of crimp decreases upon being wetted with water, and the apparent length of the filament increases.
- the percentage of crimp and the apparent length of the crimped composite filament recover the initial ones upon drying.
- the percentage of crimp of the crimped composite filaments decreases upon being wetted with water.
- the air permeability of the woven or knitted fabric can be determined in accordance with JIS L 1096-1998, 6.27.1.
- a Method Frazier type air permeability testing machine method.
- the air permeability upon being wetted with water be higher than that upon drying.
- the air permeability upon being wetted with water is 30% or more, more preferably 80 to 500% higher than that upon drying.
- the air permeability of the clothes become insufficient when the wearer wears the clothes containing the water-wetted woven or knitted fabric and sweats. The clothes then cause the wearer to feel increased stuffiness or sultriness.
- the woven or knitted fabric of the present invention contains the crimped composite filaments in a content of 10 to 100 mass%, and the content is preferably from 40 to 100 mass%.
- the effect of the crimped composite filaments namely, a reversible change between an increase and decrease in air permeability caused by wetting with water and drying of the woven or knitted fabric thus obtained becomes insufficient.
- the crimped composite filament is contained in yarns for forming the woven or knitted fabric.
- the percentage of crimp of the crimped composite filaments decreases upon wetting with water, whereby the apparent length of the yarn containing the crimped composite filament increases.
- the area of the woven or knitted fabric increases so as to increase the openings between yarns. Consequently, the air permeable opening area and the air permeability increase.
- the yarn is preferably a non-twisted or soft twisted one having a number of twists of 0 to 300 turns/m, particularly more preferably a non-twisted yarn.
- the number of twists exceeds 300 turns/m, the resultant crimped composite filaments within the yarn mutually restrict the deformation thereof.
- a yarn containing the crimped composite filaments may be subjected to an air interlacing and/or false twist and crimping treatment.
- a number of interlacing among the filaments in the yarn is preferably from about 20 to 60/m.
- the yarn containing crimped composite filaments optionally contains other type of filaments than the crimped composite filaments.
- the other filaments can be selected from non-crimped filaments and filaments having a difference in percentage of crimp DC F - HC F of less than 10%.
- the polymer include polyesters, for example, poly(ethylene terephthalate), poly(trimethylene terephthalate) and poly(butylene terephthalate), polyamides, for example, nylon 6 and nylon 66, polyolefins, for example, polyethylene and polypropylene, acrylic polymers, p- or m-aramid polymers and modified polymers of the above mentioned polymers.
- the other filaments may be selected from such filaments appropriate for clothes as natural fibers, regenerated fibers and semi-synthetic fibers.
- filaments of polyester for example, poly(ethylene terephthalate), poly(propylene terephthalate), poly(butylene terephthalate) or modified polyester in which the above copolymerization component is copolymerized are appropriate in view of the dimensional stability upon being wetted with water and the compatibility (filament-combinability, mixed knittability or mixed weavability and dyeability) with the composite filaments.
- compatibility filament-combinability, mixed knittability or mixed weavability and dyeability
- the individual filament thickness is preferably from 0.1 to 5 dtex (more preferably 0.5 to 2 dtex), and the number of the individual filaments per yarn is preferably from 20 to 200 (more preferably from 30 to 100).
- other filaments may be air interlaced and/or conventionally false twisted and crimped so that the number of interlacing becomes about 20 to 60/m.
- the crimped composite filaments and the other filaments may respectively constitute at least one type of yarns, and these yarns may be mixed woven or knitted.
- the crimped composite filaments and the other yarn may constitute together a combined yarn, and air combining may be employed to form the combined yarn.
- the crimped composite filaments yarn and the other filaments yarn may constitute together a doubled and twisted yarn or a doubled yarn, or they may also constitute a composite false twisted crimped yarn.
- the woven or knitted structures include, for example, weave structures such as plain weave, twill weave and satin weave, and a knitting stitch such as plain knitting, circular rib knitting, a tuck float knitting, plating stitch, a dembigh stitch and a half tricot stitch.
- the above woven or knitted structures may each include a single ply structure and a multi-ply structure having two or more plies.
- the crimped composite filaments in order to ensure the movability and deformability (crimp-changeability) of the crimped composite filaments in the woven or knitted fabric, crimped composite filaments preferably have stretchability in the warp direction and/or weft direction.
- the stretchability is preferably 10% or more (more preferably 20% or more, still more preferably from 25 to 150%).
- the composite filaments contained in the woven or knitted fabric of the invention have a crimped structure formed by manifesting their latent crimpability. It is important that the composite filaments satisfy the requirement represented by the following expression: DC F - HC F ⁇ 10 % preferably 50 % ⁇ DC F - HC F ⁇ 10 % wherein DC F (%) is a percentage of crimp of the composite filaments upon drying, and HC F (%) is a percentage of crimp of the composite filaments upon being wetted with water.
- DC F (%) is a percentage of crimp of the composite filaments upon drying
- HC F (%) is a percentage of crimp of the composite filaments upon being wetted with water.
- the composite filament sample is immersed in water at 30°C for 2 hours, and then taken out.
- the sample is held between a pair of filter paper sheets within 60 sec after taking out, in the ambient air atmosphere at 30°C and 90% RH, and then a pressure of 0.69 mN/cm 2 is applied to the sample for 5 sec to lightly wipe out water.
- a load of 1.76 mN/dtex (200 mg de) is applied to the sample, and the filament length L0f' is determined.
- a load of 0.0176 mN/dtex (2 mg/de) is applied to the sample, and the filament length L1f' is determined.
- the woven or knitted fabric of the invention may be subjected to water absorption treatment.
- water absorption treatment agent such as a poly(ethylene glycol diacrylate) or its derivative, or a poly(ethylene terephthalate)-poly(ethylene glycol) copolymer is allowed to adhere in an amount of 0.25 to 0.50% by weight based on the weight of the woven or knitted fabric to the woven or knitted fabric.
- Examples of the water absorption treatment method include a bath treatment method in which a water absorption treatment agent is added to a dyeing solution during dyeing, and a dipping method in which a woven or knitted fabric is dipped in a water absorption treatment solution and squeezed with a mangle before a dry-heat final set, a gravure coating method and screen printing method.
- the woven or knitted fabric of the present invention may be subjected to a water-repellent treatment.
- the water-repellent treatment may be a conventional one.
- such a method as described in Japanese Patent Publication No. 3133227 and Japanese Examined Patent Publication (Kokoku) No. 4-5786 is appropriate.
- the method comprises mixing a commercially available fluororesin water repellant (e.g., trade name of Asahi Guard LS 317, manufactured by Asahi Glass Co., Ltd.) used as a water repellant with a melamine resin (optional component) and a catalyst to form a treatment agent containing about 3 to 15% by weight of the water repellant, and treating the surface of the woven or knitted fabric with the treatment agent at a pickup ratio of about 50 to 90%.
- a commercially available fluororesin water repellant e.g., trade name of Asahi Guard LS 317, manufactured by Asahi Glass Co., Ltd.
- a melamine resin optional component
- the pickup ratio is a proportion (%) of a weight of the treatment agent to a weight of the woven or knitted fabric (prior to imparting the treatment agent).
- the percentage of crimp of the composite filaments contained in the woven or knitted fabric is efficiently decreases upon wetting with water, the yarn length of the composite filaments increases.
- openings in the woven or knitted fabrics are made large to improve the air permeability of the fabric.
- the percentage of crimp ratio of the composite filaments increases upon drying, and a yarn length of the composite filaments is decreased.
- the openings in the woven or knitted fabric are made small to decrease the air permeability of the fabric.
- the woven or knitted fabric of the present invention may be dyed.
- the conditions of dyeing will be explained in detail.
- the woven or knitted fabric in the present invention includes the following embodiments: (1) a woven or knitted fabric having a multiply structure with at least two plies, and at least one ply containing the crimped composite filaments in an amount of 30 wt.% or more based on the total weight of the filaments from which the ply is formed; (2) a knitted fabric having a tubular knitting structure in which the loops of the tubular stitch are formed from yarns containing the composite filaments and the other filaments; (3) a woven fabric formed from warp yarns and/or a weft yarns of the weave structure, in which yarns the composite filaments and the other filaments are combined in parallel with each other; (4) a woven or knitted fabric wherein the composite filaments yarns and the other filaments yarns are used as constituent yarns, and alternately arranged with every one yarn or every a plurality of yarns (5) a woven or knitted fabric containing the composite filaments and the other filaments as a core-in-shea
- the air permeability of the fabric preferably increases upon being wetted with water.
- the air permeability of the fabric may not increase upon being wetted with water, for the following reasons: when the percentage of crimp of the composite filaments decreases and the composite filaments are elongated by being wetted with water, the other filaments have no allowance for the elongation and cannot be adapted to the elongation of the composite filaments; as a result, the percentage of openings in the woven or knitted fabric decreases.
- a load of 1.76 mN/dtex (200 mg/de) is applied to the sample filament yarn when the yarn is non-elastic, and a load of 0.0088 mN/dtex (1 mg/de) is applied to the sample filament yarn when the yarn is elastic.
- the composite filaments yarn and the other different filaments yarn must be taken out of the small sample in the same direction. For example, when the composite filaments yarn is taken out of the warp yarns (or weft yarns) of the woven or knitted fabric, the other different filaments yarn must also be taken out of the warp yarns (or weft yarns).
- the following methods are exemplified: when the woven or knitted fabric is woven or knitted from the composite filaments yarn and the other different filaments yarn, a method comprising adjusting the shrinkage of the other different filaments yarn in boiling water to 15% or less (more preferably 10% or less); and a method in which during conjugating the composite filaments yarn with the other different filaments yarn, the other different filaments yarn is overfed to the conjugating procedure.
- the basis mass of the fabric is preferably adjusted to 300 g/m 2 or less (more preferably 100 to 250 g/m 2 ).
- the woven or knitted fabric of the present invention can be easily produced by, for example, the following process.
- a modified polyester having an intrinsic viscosity of 0.30 to 0.43 (determined at 35°C with o-chlorophenol used as a solvent), in which 5-sodium sulfoisophthalic acid is copolymerized in an amount of 2.0 to 4.5 mol%, and a polyamide having an intrinsic viscosity of 1.0 to 1.4 (determined at 30°C with m-cresol used as a solvent) are melt-spun together through a spinneret for a side-by-side or eccentric core-sheath composite filaments. It is particularly important that the intrinsic viscosity of he polyester resin component be 0.43 or less.
- the intrinsic viscosity of the polyester resin component When the intrinsic viscosity of the polyester resin component is higher than 0.43, the viscosity of the polyester component increases, and thus the physical properties of the resultant composite filaments become close to those of the yarns formed from only the polyester yarns, and thus the desired woven or knitted fabric in the present invention cannot be obtained unpreferably. Conversely, when the intrinsic viscosity of the polyester resin component is less than 0.30, the melt viscosity of the resin becomes too low and thus the spinnability of the resin decreases and fluff formation takes place often. As a result, the quality and the productivity might decrease.
- a molten polyester is preferably passed through the high viscosity side extrusion holes
- a molten polyamide is preferably passed through the low viscosity side extrusion holes and extruded melt flows are cooled and solidified.
- the weight ratio of the polyester component to the polyamide component is, as explained above, preferably from 30:70 to 70:30 (more preferably from 40:60 to 60:40).
- a separate drawing system wherein melt composite spinning is conducted, the spun yarn is wound once, and the wound yarn is drawn, may be adopted.
- a direct drawing system wherein the spun yarn is drawn and heat treated without winding may also be adopted.
- a conventional spinning and drawing conditions may be adopted for the process. For example, when a direct drawing system is conducted, a yarn is spun at a speed of about 1,000 to 3,500 m/min, and the spun yarn is successively drawn and wound at temperatures of 100 to 150°C.
- the draw ratio is suitably selected so that the composite filaments finally obtained exhibit an elongation at break of 10 to 60% (preferably 20 to 45%) and a tensile strength at break of about 3.0 to 4.7 cN/dtex.
- the composite filaments preferably satisfy the requirements (1) and (2), simultaneously.
- the term “upon drying” designates the state of a sample having been allowed to stand in an environment at a temperature of 20°C at a humidity of 65% RH for 24 hours.
- the term “upon being wetted with water” designates the state of a sample that is immediately after immersing the sample in water at 30°C for 2 hours. Numerical values obtained by the methods explained below will be used as the percentage of crimp DC upon drying and the percentage of crimp HC upon being wetted with water, respectively.
- a composite yarn is wound at a constant speed under a load of 49/50 mN x 9 x total tex (0.1 gf x total denier) applied to the yarn to form a small hank having a number of winding of 10 times.
- the small hank is twisted to form a double ring, and the twisted hank is treated in boiling water for 30 minutes under an initial load of 49/2,500 mN x 20 x 9 x total tex (2 mg x 20 x total denier) applied to the hank.
- the treated hank is dried in a drier at 100°C for 30 minutes, and then further treated with a dry heat at 160°C for 5 minutes while the initial load is kept applied. After dry heat treatment, the initial load is removed, and the hank is allowed to stand in an environment at 20°C and 65% RH for 24 hours. The initial load and a heavy load of 98/50 mN x 20 x 9 x total tex (0.2 gf x 20 x total denier) are then applied to the hank, and the hank length L0 is determined. The heavy load alone is immediately removed, and the hank length L1 is determined at a stage of 1 minute after the load removal.
- the hank is immersed in warm water at 20°C for 2 hours while the initial load is kept applied.
- the hank is then taken out, and a pressure of 0.69 mN/cm 2 (70 mgf/cm 2 ) is applied to the hank with a filter paper sheet so that water is lightly wiped out.
- the initial load and the heavy load are then applied, and the hank length L0' is determined.
- the heavy load alone is then immediately removed, and the hank length L1' is determined at a stage of 1 minute after removal of the load.
- the percentage of crimp HC of the composite filaments during wetting with water is preferably in the range of from 0.5 to 10.0% (more preferably from 1 to 3%).
- the woven or knitted fabric is prepared from the composite filaments alone or from the composite filaments and other filaments in combination, and the crimp of the composite filaments is manifested by heat treatment, for example, such a dyeing treatment.
- the composite filaments be woven or knitted in an amount of 10 wt.% or more (more preferably 40 wt.% or more), on the basis of the weight of the woven or knitted fabric.
- the woven or knitted structure there is no specific restriction to the woven or knitted structure, and it may be appropriately selected from the afore-mentioned structures.
- the dyeing temperature is preferably from 100 to 140°C (more preferably from 110 to 135°C).
- the holding time at the highest temperature during dyeing procedure is preferably from 5 to 40 minutes.
- the dyed woven or knitted fabric is usually subjected to a dry-heat final-set procedure.
- the dry-heat final-set temperature is preferably from 120 to 200°C (more preferably from 140 to 180°C), and the first heat-set time is preferably from 1 to 3 minutes.
- the dry-heat final-set temperature is lower than 120°C, wrinkles generated during dyeing might remain. Moreover, the dimensional stability of finished articles may be insufficient.
- the dry heat final set temperature is higher than 200°C, the crimp of the composite filaments manifested during dyeing may be decreased, and the filaments may be hardened so as to cause the hand of the fabric to be stiff.
- the woven or knitted fabric of the present invention may be subjected to various treatments, for example, conventional raising, UV-ray shielding or imparting functions with agents such as antibacterial agents, deodorants, moth-proofing agents, luminous agents, retroreflective agents, negative-ion-generating agents and water absorption agents.
- agents such as antibacterial agents, deodorants, moth-proofing agents, luminous agents, retroreflective agents, negative-ion-generating agents and water absorption agents.
- the woven or knitted fabric of the present invention can be used for forming at least a part of the clothes, for example outerwear, sportswear and underwear by utilizing the characteristic that the percentage of crimp significantly decreases upon wetting with water the crimped composite filaments contained therein and consequently increasing the air permeability thereof.
- the clothes of the present invention contain the woven or knitted fabric of the invention containing crimped composite filaments and having an air permeability that increases upon being wetted with water, and are characterized in that the dimensions of the clothes are reversibly enlarged upon being wetted with water to increase the air permeability and exhibit a ventilation effect.
- the clothes of the present invention include outerwear, sportswear and underwear.
- the clothes have a portion having no dimensional change when wetted with water, and a portion that reversibly increases the dimensions (reversibly increases the area) upon being wetted with water.
- a portion having dimensions (area) increased upon being wetted with sweat bulges outside so that an air gap between the skin of the wearer and the portion increases to increase the air permeability of the wetted portion and the ventilation effect.
- a portion having no dimensional change upon being wetted with water designates a portion that has a change in area caused by water wetting of less than 5%
- a portion having a dimensional change when wetted with water designates a portion having a change in area caused upon being wetted with water of 5% or more.
- a change in area of a clothes portion is determined by the following method.
- a woven or knitted fabric is allowed to stand in an environment at 20°C and 65% RH (hereinafter referred to as during drying) for 24 hours, and a sample (square sample, 20 cm (warp) x 20 cm (weft)) is cut out in the same direction as the woven or knitted fabric.
- the area (cm 2 ) of the sample is defined as an area upon drying.
- the sample is immersed in water at 30°C for 5 minutes (hereinafter referred to as upon being wetted with water), pulled up, and then held between 2 filter paper sheets within 60 sec after pulling up.
- a pressure of 490 N/m 2 50 kgf/m 2 ) is applied for 1 minute to remove a water component present among filaments.
- the area (cm 2 ) of the wetted sample is then determined.
- the case is also included in the case in which "the sample has no dimensional change upon being wetted with water.”
- Change in area % ( area during water wetting ) - area during drying / area during wetting ⁇ 100
- Examples of the woven or knitted fabric forming a portion that has no dimensional change upon being wetted with water include organic natural fibers, for example, cotton, wool and hemp fibers, organic synthetic fibers, for example, polyester fibers, nylon fibers and polyolefin fibers, organic semi-synthetic fibers, for example, cellulose acetate fibers and organic regenerated fibers, for example, viscose rayon fibers.
- polyester fibers are appropriate in view of the fiber strength and handleability.
- the polyester fibers are produced from a dicarboxylic acid component and a diglycol component. It is preferred to mainly use terephthalic acid as the dicarboxylic acid component. It is preferred to mainly use, as the diglycol component, at least one alkylene glycol selected from ethylene glycol, trimethylene glycol and tetramethylene glycol.
- the polyester may be made to contain a third component in addition to the dicarboxylic acid component and the glycol component.
- the third component examples include a cationic dye-dyeable anionic component, for example, sodiosulfoisophthalic acid, a dicarboxylic acid other than terephthalic acid, for example, isophthalic acid, naphthalenedicarboxylic acid, adipic acid, and sebacic acid, and a glycol compound other than an alkylene glycol such as diethylene glycol, poly(ethylene glycol), bisphenol A and bisphenolsulfone. At least one of these compounds may be used.
- a cationic dye-dyeable anionic component for example, sodiosulfoisophthalic acid, a dicarboxylic acid other than terephthalic acid, for example, isophthalic acid, naphthalenedicarboxylic acid, adipic acid, and sebacic acid
- a glycol compound other than an alkylene glycol such as diethylene glycol, poly(ethylene glycol), bisphenol A and bisphenolsulf
- Filaments having no dimensional change upon being wetted with water may optionally contain at least one of the following agents or materials: delustering agents (titanium dioxide), micropore-forming agents (metal salt of organic sulfonic acid), anti-coloring agents, thermal stabilizers, flame retardants (diantimony trioxide), fluorescent brighteners, coloring pigments, antistatic agents (metal salt of a sulfonic acid), a hygroscopic agents (poly(oxyalkylene glycol)), antibacterial agents and other inorganic particles.
- delustering agents titanium dioxide
- micropore-forming agents metal salt of organic sulfonic acid
- anti-coloring agents thermal stabilizers
- flame retardants diantimony trioxide
- fluorescent brighteners coloring pigments
- antistatic agents metal salt of a sulfonic acid
- hygroscopic agents poly(oxyalkylene glycol)
- filaments having no dimensional change upon being wetted with water may be either filaments (multifilaments) or a staple fiber. In view of obtaining a high flexibility, multifilaments are preferred. Moreover, the filaments may be ones false twisted and crimped, twisted or air interlaced. There is no specific limitation to the thickness of the filaments. However, in view of obtaining a high flexibility, the filaments preferably have an individual filament thickness of 0.1 to 3 dtex, a number of filaments of 20 to 150 and a total thickness of 30 to 300 dtex. There is no specific restriction to the cross-sectional profile of the individual filament and the filament may have a triangular, flat, cross, hexagonal or hollow cross-sectional shape, in addition to a regular circular cross-sectional shape.
- the weave structure of the woven fabric includes three foundation weaves, namely plain weave, twill weave and satin weave, derivative weaves, for example, derivative twill weave, one side double structures, for example, warp double weave and weft double weave, and warp velvet weave.
- the type of the knitted fabric may be a weft knitted fabric or a warp knitted fabric.
- Preferred examples of the weft knitted stitch include a plain stitch, a rubber stitch, a double face stitch, a purl stitch, a tuck stitch, a float stitch, a half cardigan rib stitch, a lace stitch and a plating stitch.
- Examples of the warp knitting stitch include a single dembigh stitch, a single atlas stitch, a double cord stitch, a half tricot stitch, a fleecy stitch and a jacquard stitch.
- portions the dimensions of which are reversibly enlarged upon wetting with water, are locally arranged, and the other portions are formed from a woven or knitted fabric the dimensions of which are not changed even upon wetting with water.
- Sites where the wearer sweats relatively much are appropriate as the portions the dimensions of which are reversibly enlarged upon wetting with water. Examples of the appropriate portions are as follows: woven or knitted fabric portions 6 arranged in a front 5 schematically shown in Fig. 5; a woven or knitted fabric portion 8 located in a breast 7 schematically shown in Fig.
- Preferred areas of woven or knitted fabric portions the dimensions of which are reversibly enlarged upon wetting with water are 1 cm 2 or more per woven or knitted fabric portion of the clothes and 500 to 10000 cm 2 in total. It is appropriate that the ratio of a total area of the woven or knitted fabric portions to a total area of the clothes be from 5 to 70%. When the area ratio is smaller than 5%, the space volume between the clothes and the skin upon wetting with water is not sufficiently large, and thus a sufficient ventilation effect cannot be obtained sometimes. Conversely, when the area ratio is larger than 70%, the dimensions of the clothes as a whole may be changed upon being wetted with water.
- the woven or knitted fabric of the present invention is used as a fabric for forming a portion of the clothes the dimensions of which are reversibly enlarged upon being wetted with water.
- the woven or knitted fabric structure there are no specific restrictions to the woven or knitted fabric structure and a number of plies of the woven or knitted fabric the dimensions of which are reversibly enlarged by wetting with water, for the clothes.
- the following are appropriately exemplified as the woven or knitted fabric: woven structures, for example, plain weave, twill weave and satin, and knitting stitch, for example, plain knitting stitch, an interlock stitch, a circular rib fabric, a tuck float fabric, a plating stitch, a dembigh stitch and a half tricot stitch.
- a tubular knitted or a mesh-like woven or knitted fabric is particularly preferred.
- the change in the area is preferably 10% or more, more preferably from 15 to 30%.
- the change in the area is less than 10%, a space volume between the clothes and the skin upon wetting with water does not increase so much, and the ventilation effect may be insufficient.
- the woven or knitted fabric for forming the portions having a dimensional change upon wetting with water can be easily obtained by, for example, the production process explained above.
- the woven or knitted fabric for clothes of the present invention is preferably subjected to a water absorbent treatment.
- the water absorbent treatment enables the treated woven or knitted fabric to exhibit an increased air permeability even upon wetting with a small amount of sweat.
- the following procedure is exemplified as a preferred water absorbent treatment: a water absorbent treatment agent, for example, a poly(ethylene glycol diacrylate) or its derivative, or a poly(ethylene terephthalate)-poly(ethylene glycol) copolymer is applied to the woven or knitted fabric, in an amount of 0.25 to 0.50 wt.% based on the weight of the woven or knitted fabric.
- Examples of the water absorbent treatment method include a bath treatment method in which a water absorbent treatment agent is added to a dyeing solution during dyeing, and a coating method in which, for example, a woven or knitted fabric is dipped prior to dry heat final set in a water absorbent treatment solution, and squeezed with a mangle, a gravure coating method and a screen printing method.
- the clothes of the present invention are prepared from the above woven or knitted fabric having no dimensional change upon wetting with water and the above-mentioned woven or knitted fabric the dimensions of which are reversibly enlarged upon wetting with water, by a conventional process.
- the woven or knitted fabrics of the present invention may be subjected to various treatments, for example, dyeing, water absorbent treatment, conventional raising, UV-ray shielding treatment or function-imparting treatment with, for example, antibacterial agents, deodorants, moth-proofing agents, luminous agents, retroreflective agents, negative-ion generating agents and water repellants.
- the clothes of the present invention can be appropriately used as outerwear, sportswear, underwear, etc.
- accessories such as buttons may be safely attached to the clothes of the invention.
- o-Chlorophenol was used as a solvent, and measurements were made at 35°C.
- m-Cresol was used as a solvent, and measurements were carried out at a temperature of 30°C.
- a filament sample was left to stand in a thermohygrostat chamber at an atmospheric temperature of 25°C at a humidity of 60% RH for one day and night.
- the sample was then set in a Tensilon (trademark) tensile tester (manufactured by Shimadzu Corporation) with a sample length of 100 mm, and stretched at a rate of 200 mm/min, and the tensile strength (cN/dtex) and the elongation (%) at break were determined.
- n was 5 and the average values were obtained.
- the shrinkage in boiling water (hot water shrinkage) (%) was determined by the method specified in JIS L 1013-1998 17-15. In addition, n was 3, and the average value was obtained.
- a composite yarn was rewound at a constant speed while a load of 49/50 mN x 9 x total tex (0.1 gf x total denier) was applied to the yarn, to form a small hank having wound 10 times.
- the small hank was twisted to form a double ring, and the twisted hank was treated in boiling water for 30 minutes while an initial load of 49/2,500 mN x 20 x 9 x total tex (2 mg x 20 x total denier) was applied.
- the hank treated in boiling water was dried with a drier at a temperature of 100°C for 30 minutes, and then further treated with a dry heat at 160°C for 5 minutes while the initial load was applied thereto. After dry heat treatment was completed, the initial load was removed, and the hank was left to stand in an environment at 20°C and 65% RH for 24 hours.
- the initial load and a heavy load of 98/50 mN x 20 x 9 x total tex (0.2 gf x 20 x total denier) were then applied to the hank, and the length L0 of the hank was measured.
- the heavy load alone was immediately removed, and 1 minute after the load removal, the length L1 of the hank was measured.
- the hank was immersed in warm water at a temperature of 30°C for 2 hours while the initial load was applied thereto. The hank was then taken out, and within 60 sec after taking out the hank, the hank was lightly wiped with a filter paper sheet, while applying a pressure of 0.69 mN/cm 2 (70 mgf/cm 2 ) to the hank with a filter paper sheet, 30 cm x 30 cm. The initial load and the heavy load were then applied, and the length L0' of the hank was measured. The heavy load alone was then immediately removed, and 1 minute after removal of the load the length L1' of the hank was measured.
- the percentage of crimp DC (%) of the filament sample upon drying, the percentage of crimp HC (%) of the sample upon wetting with water and the difference (DC - HC) (%) between the percentage of crimp upon drying and that upon wetting with water were calculated from the data of the above mentioned measurements in accordance with the following equations.
- n is 5, and the average values are obtained.
- a woven or knitted fabric was left to stand in an air atmosphere at a temperature of 20°C at a humidity of 65% RH for 24 hours.
- a composite filament was taken out from each small sample.
- a load of 1.76 mN/dtex (200 mg de) was applied to the composite filament, and the length L2 of the filament was measured.
- a load of 0.0176 mN/dtex (2 mg/de) was applied to the filament, and the length L3 of the filament was measured.
- the filament was immersed in water at a temperature of 30°C for 2 hours, and then taken out.
- the sample was held between filter paper sheets, each in dimensions of 30 cm x 30 cm, and a pressure of 0.69 mN/cm 2 (70 mgf/cm 2 ) was applied thereto for 5 sec to lightly wipe out water.
- a load of 1.76 mN/dtex (200 mg de) was applied to the sample, and the length L2' of the filament was measured.
- a load of 0.0176 mN/dtex (2 mg/de) was applied to the sample, and the length L3' of the filament was measured.
- the percentage of crimp DC F (%) upon drying, the percentage of crimp HC F (%) upon being wetted with water and the difference (DC F - HC F ) (%) between the percentage of crimp upon drying and that upon being wetted with water were calculated from the data measured as mentioned above in accordance with the following equations. In addition, n was 5, and the average values were obtained.
- Percentage of crimp DC F % upon drying ( ( L ⁇ 0 ⁇ f - L ⁇ 1 ⁇ f ) / L ⁇ 1 ⁇ f ) ⁇ 100
- Percentage of crimp HC F % upon wetting with water ( ( L ⁇ 0 ⁇ f ⁇ - L ⁇ 1 ⁇ f ⁇ ) / L ⁇ 1 ⁇ f ⁇ ) ⁇ 100
- the air permeability (ml/cm 2 /sec) of a fabric sample upon drying and the air permeability (ml/cm 2 /sec) upon being wetted with water were measured in accordance with JIS L 1096-1998 6.27.1, Method A (Fragile-type testing machine method).
- the term "upon drying” designated the state of a sample left to stand in an environment at a temperature of 20°C at a humidity of 65% RH for 24 hours.
- a woven or knitted fabric is left to stand in an air atmosphere at 20°C and 65% RH for 24 hours.
- One composite filaments yarn and another filaments yarn were taken out from each sample.
- a yarn length A (mm) of the composite filaments yarn and a yarn length B (mm) of the different filaments yarn were measured.
- a load of 1.76 mN/dtex 200 mg/de
- a load of 0.0088 mN/dtex (1 mg/de) was applied to a sample yarn when the yarn is an elastic one.
- n was 5, and the average was calculated.
- the water repellency of the woven or knitted fabric was determined in accordance with JIS L 1092, 6.2 Spray Test.
- a woven or knitted fabric is allowed to stand in an environment at a temperature of 20°C at a humidity of 65% RH for 24 hours, and square samples (20 cm (warp) x 20 cm (weft) were taken in the same direction as the woven or knitted fabric.
- the area (cm 2 ) of each sample is defined as an area (cm 2 ) upon drying.
- the sample was immersed in water at a temperature of 20°C for 5 minutes (hereinafter referred to as upon being wetted with water), then held between a pair of filter paper sheets while applying a pressure of 490 N/m 2 (50 kgf/m 2 ) to the sample for 1 minute to remove water present among filaments.
- the area of the sample was determined and defined as an area of the sample (cm 2 ) upon being wetted with water.
- a nylon 6 having an intrinsic viscosity [ ⁇ ] of 1.3 was melted at 270°C, and a modified poly(ethylene terephthalate) in which 2.6 mol% of 5-sodium sulfoisophthalic acid was copolymerized and that had an intrinsic viscosity [ ⁇ ] of 0.39 was melted at 290°C. Both molten polymers were extruded through a spinneret for side-by-side type composite filaments in an extrusion rate of 12.7 g/min for each polymer. The spinneret was one described in Japanese Unexamined Patent Publication (Kokai) No. 2000-144518 .
- the spinning nozzle was formed from two arc-shaped slits A and B arranged substantially on one the same circumference at a spacing d.
- the area SA of the arc-shaped slit A, the slit width A1, the area SB of the arc-shaped slit B, the slit width B1 and the area SC surrounded by the inner peripheral faces of the arc-shaped slits A and B simultaneously satisfy the following requirements (1) to (4): B ⁇ 1 ⁇ A ⁇ 1 1.1 ⁇ SA / SB ⁇ 1.8 0.4 ⁇ SA + SB / SC ⁇ 10.0 d / A ⁇ 1 ⁇ 3.0
- the poly(ethylene terephthalate) was extruded through the slit A side, and the nylon 6 was extruded through the slit B side to form a side-by-side type undrawn composite filaments yarn having a cross-sectional profile as shown in Fig.
- the undrawn filament yarn was cooled to be solidified, and a spinning oil was imparted thereto.
- the filament yarn was drawn and heat treated at a speed of 1,000 m/min, by preheating with a preheating roller at a temperature of 60°C, and drawing and heat treating between the preheating roller and a heating roller having a speed of 3,050 m/min and heated at 150°C at a draw ratio of 3.05.
- the resultant yarn was wound up.
- a composite filaments yarn of 84 dtex/24 fil was obtained.
- the drawn composite filaments yarn thus obtained had a tensile strength at break of 3.4 cN/dtex and an elongation at break of 40%. Moreover, when the composite filaments yarn was subjected to a treatment in boiling water to cause the filaments to crimp, the filaments yarn had a percentage of crimp DC upon drying of 3.3% and a percentage of crimp HC upon being wetted with water of 1.6%. Thus the difference (DC - HC) between the percentage of crimp DC upon drying and the percentage of crimp HC upon wetting with water was 1.7%.
- a tubular knitted fabric having an interlock stitch with a knitting density of 42 courses/2.54 cm and 35 wales/2.54 cm was prepared from non-twisted composite filaments yarns (no treatment with boiling water was applied and no crimp was manifested on the filaments) alone.
- the tubular knitted fabric was dyed at a temperature of 130°C for a peak temperature-keeping time of 15 minutes to manifest the latent crimpability of the composite filaments yarn.
- a water-absorbent agent poly(ethylene terephthalate)-poly(ethylene glycol) copolymer
- the water-absorbent agent was imparted to the knitted fabric by the bath treatment during dyeing.
- the tubular knitted fabric was dry heat final set at 160°C for one minute.
- the knitted fabric thus obtained had a basis weight of 214 g/m 2 , and had a stretch percentage of 70% in the warp direction, and a stretch percentage of 110% in the weft direction, an air permeability upon drying of 90 ml/cm 2 /sec, an air permeability upon being wetted with water of 370 ml/cm 2 /sec and a change in air permeability of 311%.
- the significant improvement of the air permeability upon wetting with water was confirmed with satisfactory.
- composite filaments taken from the knitted fabric had a percentage of crimp DC F upon drying of 68% and a percentage of crimp HC F upon being wetted with water of 22%. That is, the difference (DC F - HC F ) between the percentage of crimp upon drying and the one upon wetting with water was 46%.
- Example 1 The same composite filaments yarn as used in Example 1 and a conventional poly(ethylene terephthalate) multifilaments yarn (84 dtex/30 f) were used.
- a conventional poly(ethylene terephthalate) multifilaments yarn 84 dtex/30 f
- the composite filaments yarns and the poly(ethylene terephthalate) multifilaments yarns were alternately fed to the machine with every one yarn to form a tubular knitted fabric having an interlock stitch with a knitting density of 54 courses/2.54 cm and 34 wales/2.54 cm.
- the tubular knitted fabric was subjected to dyeing, water absorbent treatment and dry heat final set in the same manner as in Example 1.
- the knitted fabric thus obtained had a basis weight of 206 g/m 2 , and exhibited a stretch percentage of 50% in the warp direction, a stretch percentage of 100% in the weft direction, an air permeability upon drying of 150 ml/cm 2 /sec, an air permeability upon being wetted with water of 280 ml/cm 2 /sec and a change in air permeability of 87%.
- the knitted fabric was satisfactory because the air permeability upon being wetted with water was greatly improved.
- a composite filaments taken from the knitted fabric had a percentage of crimp DC F upon drying of 63% and a percentage of crimp HC F upon wetting with water of 20%. That is, the difference (DC F - HC F ) between the percentage of crimp upon drying and that upon being wetted with water was 43%.
- the extruded filaments were cooled to solidify them, and a spinning oil was imparted thereto.
- the undrawn filament yarn thus obtained was drawn and heat-treated at a speed of 1,000 m/min, by preheating by a preheating roller at a temperature of 60°C, and drawing and heat treating between the preheating roller and a heating roller at a speed of 2,700 m/min at a temperature of 150°C.
- the resultant filament yarn was wound.
- a composite filament yarn of 84 dtex/24 fil. was obtained.
- the drawn composite filaments yarn thus obtained had a tensile strength at break of 2.3 cN/dtex and an elongation at break of 41%.
- the composite filaments yarn was subjected to a treatment in boiling water and the percentage of crimp of the resultant filaments was measured.
- the percentage of crimp DC upon drying was 1.2% and a percentage of crimp HC upon being wetted with water was 3.9%.
- the difference (DC - HC) between the percentage of crimp DC upon drying and the percentage of crimp HC upon being wetted with water was -2.7%.
- a tubular knitted fabric was prepared in the same manner as in Example 1.
- the resultant tubular knitted fabric was subjected to dyeing, water absorbent treatment and dry final set in the same manner as in Example 1.
- the knitted fabric thus obtained had a basis weight of 170 g/m 2 , and exhibited a stretch percentage of 52% in the warp direction, a stretch percentage of 102% in the weft direction, an air permeability upon drying of 230 ml/cm 2 /sec, an air permeability upon being wetted with water of 160 ml/cm 2 /sec and a change in air permeability of -30%.
- the knitted fabric was unsatisfactory because the air permeability upon being wetted with water was low.
- a composite filament taken from the knitted fabric had a percentage of crimp DC F upon drying of 54% and a percentage of crimp HC F upon being wetted with water of 65%. That is, the difference (DC F - HC F ) between the percentage of crimp upon drying and that upon being wetted with water was -11%.
- Example 2 The same side-by-side type composite filaments yarns as in Example 1 were produced.
- the composite filaments yarns were supplied to a conventional 28-gauge tricot knitting machine.
- the composite filaments yarns were fed to a back guide bar of the knitting machine at a full set.
- a conventional false twisted, crimped poly(ethylene terephthalate) multifilament yarns 33 dtex/36 fil.
- having a percentage of crimp of 20% were simultaneously fed to a front guide bar of the tubular knitting machine at a full set to give a knitted fabric having a half tricot stitch (back: 10-12, front: 23-10) with an on-machine density of 80 courses/2.54 cm.
- the knitted fabric was dyed at 130°C for a peak temperature-keeping time of 15 minutes so that the latent crimpability of the composite filaments was manifested.
- the knitted fabric was then subjected to padding treatment with a fluororesin water repellent treatment liquid.
- the treated knitted fabric was then dried at a temperature of 100°C, and dry heat final set at a temperature of 160°C for 1 minute.
- the knitted fabric thus obtained had a basis weight of 220 g/m 2 , and had a stretch percentage of 13% in the warp direction, a stretch percentage of 30% in the weft direction, a water repellency of 5 points, an air permeability upon drying of 45 ml/cm 2 /sec, an air permeability upon being wetted with water of 64 ml/cm 2 /sec and a change in air permeability of 42%.
- the knitted fabric was satisfactory because the air permeability upon wetting with water was greatly enhanced.
- composite filaments taken from the knitted fabric exhibited a percentage of crimp DC F upon drying of 64% and a percentage of crimp HC F upon being wetted with water of 32%. That is, the difference (DC F - HC F ) between the percentage of crimp upon drying and that upon being wetted with water was 32%.
- a side-by-side type composite filaments yarns were produced from a nylon 6 and a 5-sodium sulfoisophthalic acid-copolymerized poly(ethylene terephthalate) resin in the same manner as in Comparative Example 1.
- a knitted fabric was prepared in the same manner as in Example 3. The knitted fabric was subjected to dyeing, water repellency treatment and dry final set.
- the knitted fabric thus obtained had a basis weight of 210 g/m 2 , and exhibited a stretch percentage of 12% in the warp direction, a stretch percentage of 22% in the weft direction, a water repellency of 5 points, an air permeability upon drying of 54 ml/cm 2 /sec, an air permeability upon being wetted with water of 41 ml/cm 2 /sec and a change in air permeability of -24%.
- the knitted fabric was unsatisfactory because the air permeability upon being wetted with water was low.
- composite filaments taken from the knitted fabric exhibited a percentage of crimp DC F upon drying of 56% and a percentage of crimp HC F upon being wetted with water of 62%. That is, the difference (DC F - HC F ) between the percentage of crimp upon drying and that upon being wetted with water was -6% which was unsatisfactory
- the extruded yarn was cooled to be solidified, and a spinning oil was imparted thereto.
- the yarn was then drawn and heat-treated at a speed of 1,000 m/min, by preheating by a preheating roller at a temperature of 60°C, and drawn and heat treated between the preheating roller and a heating roller having a speed of 3,050 m/min a temperature of at 150°C.
- the resultant yarn was wound.
- a composite filament yarn of 84 dtex/24 fil was obtained.
- the drawn composite filament yarn thus obtained had a tensile strength of 3.4 cN/dtex and an elongation at break of 40%.
- the composite filaments yarn (that was not subjected to treatment in boiling water, and that had no crimps, and non-twisted) alone was used, to produce a tubular knitted fabric having a plain knitting stitch and a density of 65 courses/2.54 cm and 37 wales/2.54 cm, by using a 28-gauge double tubular knitting machine.
- the tubular knitted fabric was dyed at 130°C for a peak temperature-keeping time of 15 minutes to manifest the latent crimpability of the composite filaments yarn.
- the tubular knitted fabric was then subjected to dry heat final set at a temperature of 160°C for 1 minute.
- the knitted fabric thus obtained (knitted fabric having dimensions that were reversibly increased upon wetting with water) had a basis weight of 120 g/m 2 , a knitting density of 71 courses/2.54 cm and 61 wales/2.54 cm, and exhibited a dimensional change of 21% (7% in the warp direction and 13% in the weft direction).
- a tubular knitted fabric having an interlock stitch with a gray fabric density of 45 courses/2.54 cm and 41 wales/2.54 cm was prepared from a false twisted and crimped poly(ethylene terephthalate) yarn (56 dtex/72 fil.).
- the knitted fabric was similarly dried as above.
- the knitted fabric (that had no dimensional change caused by wetting with water) was then cut and sewn to give a shirt with a half-sleeve length.
- Example 4 A panelist wore the same shirt prepared from the false twisted and crimped poly(ethylene terephthalate) yarn (56 dtex/72 f) alone as in Example 1, and the same wearing test as in Example 4 was conducted. The results are shown by a curve B in Fig. 8. The panelist who wore the shirt felt significantly stuffy during physical exercise because the shirt had substantial no ventilation effect. Moreover, the stuffy feeling lasted for a long time after the physical exercise was finished, and the panelist felt uncomfortable.
- the woven or knitted fabric of the present invention containing crimped composite filaments and clothes of the present invention containing the woven or knitted fabric exhibit an air permeability that is increased upon wetting with water to promote drying of the woven or knitted fabric. Drying of the woven or knitted fabric causes the air permeability to decrease and to improve the warmth retention.
- the woven or knitted fabric is therefore useful for outerwear, sportswear, underwear and other clothes.
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Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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JP2004281494A JP4414851B2 (ja) | 2004-09-28 | 2004-09-28 | 湿潤時に通気性が向上する織編物および繊維製品 |
JP2004283758A JP4414854B2 (ja) | 2004-09-29 | 2004-09-29 | 吸湿時に通気性が向上する撥水性織編物および繊維製品 |
JP2005019486A JP2006207065A (ja) | 2005-01-27 | 2005-01-27 | 湿潤時にベンチレーション効果を呈する衣服 |
PCT/JP2005/018238 WO2006035968A1 (fr) | 2004-09-28 | 2005-09-27 | Tissu ou tricot en fibres composites crepees dont la permeabilite a l’air est amelioree par mouillage par l’eau et vetements associes |
Publications (3)
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EP1803844A1 true EP1803844A1 (fr) | 2007-07-04 |
EP1803844A4 EP1803844A4 (fr) | 2014-05-14 |
EP1803844B1 EP1803844B1 (fr) | 2018-09-05 |
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EP05788318.3A Active EP1803844B1 (fr) | 2004-09-28 | 2005-09-27 | Tissu ou tricot en fibres composites crepees dont la permeabilite a l'air est amelioree par mouillage par l'eau et vetements associes |
Country Status (6)
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US (1) | US20080132133A1 (fr) |
EP (1) | EP1803844B1 (fr) |
KR (1) | KR101220658B1 (fr) |
CA (1) | CA2579144C (fr) |
TW (1) | TWI354041B (fr) |
WO (1) | WO2006035968A1 (fr) |
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EP1752571A1 (fr) * | 2004-06-01 | 2007-02-14 | Mitsubishi Rayon Co., Ltd. | Étoffe tissée ou maille démontrant une perméabilité à l"air pouvant ëtre modifiée de manière réversible |
EP1895035A1 (fr) * | 2006-08-29 | 2008-03-05 | Mmi-Ipco, Llc | Textile intelligent sensible à la température |
EP1894482A3 (fr) * | 2006-08-29 | 2008-04-30 | Mmi-Ipco, Llc | Textile intelligent réactif à la température et à l'humidité |
WO2009106785A1 (fr) | 2008-02-28 | 2009-09-03 | University Of Bath | Matériau |
WO2010110979A1 (fr) * | 2009-03-26 | 2010-09-30 | Nike International, Ltd. | Article d'habillement avec perméabilité à l'air variable |
US8187984B2 (en) | 2006-06-09 | 2012-05-29 | Malden Mills Industries, Inc. | Temperature responsive smart textile |
EP2441864A3 (fr) * | 2010-10-15 | 2012-08-15 | Mmi-Ipco, Llc | Textile intelligent sensible à la température |
US20140007314A1 (en) * | 2004-05-06 | 2014-01-09 | Nike, Inc. | Article of apparel utilizing zoned venting and/or other body cooling features or methods |
EP2695979A1 (fr) * | 2012-08-06 | 2014-02-12 | Eclat Textile Co., Ltd. | Procédé de tricotage d'un tissu résistant au vent |
FR3020568A1 (fr) * | 2014-05-05 | 2015-11-06 | Sigvaris Ag | Procede de fabrication d'un article de contention tel qu'un bas medical de compression et article de contention obtenu selon ledit procede |
US9700077B2 (en) | 2004-03-19 | 2017-07-11 | Nike, Inc. | Article of apparel with variable air permeability |
JPWO2017038239A1 (ja) * | 2015-08-31 | 2018-03-29 | 帝人フロンティア株式会社 | 布帛および繊維製品 |
US10123580B2 (en) | 2004-03-19 | 2018-11-13 | Nike, Inc. | Article of apparel incorporating a zoned modifiable textile structure |
WO2019178504A1 (fr) * | 2018-03-15 | 2019-09-19 | Lintec Of America, Inc. | Échafaudage de nerfs à fils de nanofibres de carbone |
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US9332792B2 (en) * | 2005-02-17 | 2016-05-10 | Nike, Inc. | Articles of apparel utilizing targeted venting or heat retention zones that may be defined based on thermal profiles |
EP1995358B1 (fr) * | 2006-03-01 | 2010-09-08 | Teijin Fibers Limited | Fil contenant une fibre conjuguee |
GB201210691D0 (en) * | 2012-06-15 | 2012-08-01 | Mmt Textiles Ltd | Active fibre |
US9936751B1 (en) | 2013-03-14 | 2018-04-10 | Francesco Mignone | Towel/absorptive arm sleeve and means of hands free toweling |
BE1021961B1 (fr) * | 2014-06-23 | 2016-01-29 | Depoortere Freres S.A. | Tissu velours et procede de fabrication d'un tissu velours |
JP6388659B2 (ja) * | 2014-09-03 | 2018-09-12 | 帝人株式会社 | 布帛および繊維製品 |
TWM493278U (zh) * | 2014-10-21 | 2015-01-11 | Deertex Inc | 具有透氣耐磨梭織鞋面之鞋類組件 |
CA3018747A1 (fr) * | 2016-03-21 | 2017-09-28 | Ray H. Baughman | Textiles d'actionnement contenant des muscles muscles a fibres polymeres |
CN114847568A (zh) | 2017-03-17 | 2022-08-05 | 耐克创新有限合伙公司 | 纺织品及其制造方法 |
JP7032519B2 (ja) * | 2018-04-16 | 2022-03-08 | 帝人フロンティア株式会社 | フラップ付き編地および繊維製品 |
PT3623509T (pt) * | 2018-09-13 | 2021-07-09 | Chemiefaser Lenzing Ag | Tecido feito de fios retorcidos entrelaçados uns com os outros |
US11122846B2 (en) * | 2018-10-25 | 2021-09-21 | Cornell University | Breathable fabrics with smart pores |
US11993873B2 (en) * | 2019-09-09 | 2024-05-28 | Massachusetts Institute Of Technology | Reversible textile transformation |
CA3116915A1 (fr) * | 2020-04-30 | 2021-10-30 | Bryan Ishiguro | Vetement pour homme sans couture |
US20220074093A1 (en) * | 2020-09-08 | 2022-03-10 | Hero Gear, Inc. | Weighted circular-knit fabric and method of making the same |
TWI814175B (zh) * | 2021-12-13 | 2023-09-01 | 財團法人紡織產業綜合研究所 | 感濕變形織物 |
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KR100552026B1 (ko) * | 2001-07-04 | 2006-02-17 | 아사히 가세이 셍이 가부시키가이샤 | 경편물 |
JP2003041462A (ja) * | 2001-07-24 | 2003-02-13 | Teijin Ltd | 通気性自己調節織編物 |
JP2003239140A (ja) * | 2002-02-12 | 2003-08-27 | Teijin Ltd | 感湿捲縮複合繊維および製造方法 |
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2005
- 2005-09-27 KR KR1020077006960A patent/KR101220658B1/ko active IP Right Grant
- 2005-09-27 WO PCT/JP2005/018238 patent/WO2006035968A1/fr active Application Filing
- 2005-09-27 CA CA 2579144 patent/CA2579144C/fr active Active
- 2005-09-27 EP EP05788318.3A patent/EP1803844B1/fr active Active
- 2005-09-27 US US11/663,730 patent/US20080132133A1/en not_active Abandoned
- 2005-09-27 TW TW94133493A patent/TWI354041B/zh not_active IP Right Cessation
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See also references of WO2006035968A1 * |
Cited By (24)
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US10123580B2 (en) | 2004-03-19 | 2018-11-13 | Nike, Inc. | Article of apparel incorporating a zoned modifiable textile structure |
US9700077B2 (en) | 2004-03-19 | 2017-07-11 | Nike, Inc. | Article of apparel with variable air permeability |
US10426206B2 (en) | 2004-05-06 | 2019-10-01 | Nike, Inc. | Article of apparel utilizing zoned venting and/or other body cooling features or methods |
US20140007314A1 (en) * | 2004-05-06 | 2014-01-09 | Nike, Inc. | Article of apparel utilizing zoned venting and/or other body cooling features or methods |
EP1752571A1 (fr) * | 2004-06-01 | 2007-02-14 | Mitsubishi Rayon Co., Ltd. | Étoffe tissée ou maille démontrant une perméabilité à l"air pouvant ëtre modifiée de manière réversible |
EP1752571A4 (fr) * | 2004-06-01 | 2010-06-02 | Mitsubishi Rayon Co | Étoffe tissée ou maille démontrant une perméabilité à l"air pouvant ëtre modifiée de manière réversible |
US8187984B2 (en) | 2006-06-09 | 2012-05-29 | Malden Mills Industries, Inc. | Temperature responsive smart textile |
US8192824B2 (en) | 2006-08-29 | 2012-06-05 | Mmi-Ipco, Llc | Temperature responsive smart textile |
EP1894482A3 (fr) * | 2006-08-29 | 2008-04-30 | Mmi-Ipco, Llc | Textile intelligent réactif à la température et à l'humidité |
US8389100B2 (en) | 2006-08-29 | 2013-03-05 | Mmi-Ipco, Llc | Temperature responsive smart textile |
EP1895035A1 (fr) * | 2006-08-29 | 2008-03-05 | Mmi-Ipco, Llc | Textile intelligent sensible à la température |
WO2009106785A1 (fr) | 2008-02-28 | 2009-09-03 | University Of Bath | Matériau |
CN102084046B (zh) * | 2008-02-28 | 2013-01-02 | Mmt纺织品有限公司 | 一种材料 |
CN102355828A (zh) * | 2009-03-26 | 2012-02-15 | 耐克国际有限公司 | 具有可变透气率的服饰物品 |
CN102355828B (zh) * | 2009-03-26 | 2014-07-30 | 耐克国际有限公司 | 具有可变透气率的服饰物品 |
WO2010110979A1 (fr) * | 2009-03-26 | 2010-09-30 | Nike International, Ltd. | Article d'habillement avec perméabilité à l'air variable |
EP2441864A3 (fr) * | 2010-10-15 | 2012-08-15 | Mmi-Ipco, Llc | Textile intelligent sensible à la température |
EP2695979A1 (fr) * | 2012-08-06 | 2014-02-12 | Eclat Textile Co., Ltd. | Procédé de tricotage d'un tissu résistant au vent |
FR3020568A1 (fr) * | 2014-05-05 | 2015-11-06 | Sigvaris Ag | Procede de fabrication d'un article de contention tel qu'un bas medical de compression et article de contention obtenu selon ledit procede |
JPWO2017038239A1 (ja) * | 2015-08-31 | 2018-03-29 | 帝人フロンティア株式会社 | 布帛および繊維製品 |
EP3346034A4 (fr) * | 2015-08-31 | 2018-11-07 | Teijin Frontier Co., Ltd. | Produit de fibre et de tissu |
US10925339B2 (en) | 2015-08-31 | 2021-02-23 | Teijin Frontier Co., Ltd. | Cloth and fibrous product |
WO2019178504A1 (fr) * | 2018-03-15 | 2019-09-19 | Lintec Of America, Inc. | Échafaudage de nerfs à fils de nanofibres de carbone |
US10864301B2 (en) | 2018-03-15 | 2020-12-15 | Lintec Of America, Inc. | Fabricating a carbon nanofiber yarn nerve scaffold |
Also Published As
Publication number | Publication date |
---|---|
EP1803844A4 (fr) | 2014-05-14 |
CA2579144A1 (fr) | 2006-04-06 |
KR20070060097A (ko) | 2007-06-12 |
EP1803844B1 (fr) | 2018-09-05 |
KR101220658B1 (ko) | 2013-01-10 |
CA2579144C (fr) | 2013-04-02 |
TWI354041B (en) | 2011-12-11 |
WO2006035968A1 (fr) | 2006-04-06 |
US20080132133A1 (en) | 2008-06-05 |
TW200615412A (en) | 2006-05-16 |
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