Classifications

• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
  • D06C7/00—Heating or cooling textile fabrics
  • D06C7/02—Setting
• • 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
  • 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
  • A41D31/145—Air permeable, i.e. capable of being penetrated by gases using layered materials
• • D—TEXTILES; PAPER
  • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
  • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
  • D01D5/00—Formation of filaments, threads, or the like
  • D01D5/22—Formation of filaments, threads, or the like with a crimped or curled structure; with a special structure to simulate wool
• • 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
  • 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
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
  • D06C7/00—Heating or cooling textile fabrics
• • 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
  • A41D31/12—Hygroscopic; Water retaining
  • A41D31/125—Moisture handling or wicking function through layered materials
• • 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
• • D—TEXTILES; PAPER
  • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B2403/00—Details of fabric structure established in the fabric forming process
  • D10B2403/01—Surface features
  • D10B2403/011—Dissimilar front and back faces
  • D10B2403/0114—Dissimilar front and back faces with one or more yarns appearing predominantly on one face, e.g. plated or paralleled yarns
• • D—TEXTILES; PAPER
  • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B2403/00—Details of fabric structure established in the fabric forming process
  • D10B2403/02—Cross-sectional features
• • D—TEXTILES; PAPER
  • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B2403/00—Details of fabric structure established in the fabric forming process
  • D10B2403/02—Cross-sectional features
  • D10B2403/023—Fabric with at least two, predominantly unlinked, knitted or woven plies interlaced with each other at spaced locations or linked to a common internal co-extensive yarn system
• • D—TEXTILES; PAPER
  • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B2403/00—Details of fabric structure established in the fabric forming process
  • D10B2403/03—Shape features
  • D10B2403/033—Three dimensional fabric, e.g. forming or comprising cavities in or protrusions from the basic planar configuration, or deviations from the cylindrical shape as generally imposed by the fabric forming process
  • D10B2403/0331—Three dimensional fabric, e.g. forming or comprising cavities in or protrusions from the basic planar configuration, or deviations from the cylindrical shape as generally imposed by the fabric forming process with one or more convex or concave portions of limited extension, e.g. domes or pouches
• • 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]
  • Y10T442/3065—Including strand which is of specific structural definition
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
  • Y10T442/40—Knit fabric [i.e., knit strand or strip material]
  • Y10T442/425—Including strand which is of specific structural definition

Definitions

• Crimped fiber-containing woven or knitted fabric in which irregularities appear by water wetting, as well as its production method and textile product
• the present invention relates to a crimped fiber-containing woven or knitted fabric that exhibits unevenness when wet with water.
• the present invention relates to a manufacturing method and a textile product. More specifically, the present invention includes a crimped fiber in which the crimping rate is reduced by water wetting and a fiber different from the crimped fiber, and the surface of the woven or knitted fabric is uneven by water wetting. Woven knitted or knitted fabric that has the property that the unevenness is reduced or disappeared by drying, so that even if the woven or knitted garment gets wet by sweating, the garment does not adhere to the skin, or its production method and textile product It is about.
• a method of using a highly hygroscopic fiber as a material constituting the garment, and a structure and density of the woven or knitted fabric constituting the garment are roughened and the ventilation is performed.
• a multilayer structure woven or knitted fabric creates a difference in density between the outer layer and inner layer (skin side), and quickly transfers the sweat absorbed on the skin side to the outside.
• Use possible woven or knitted fabric see, for example, Patent Document 1 To reduce stickiness by reducing the contact area between skin and clothes
• Patent Document 1 Japanese Patent Application Laid-Open No. 9 1 3 16757
• Patent Document 2 Japanese Patent Laid-Open No. 10-131000
• Patent Document 3 Japanese Patent Application Laid-Open No. 9-324313 Disclosure of Invention
• An object of the present invention is to include a woven or knitted fabric in which irregularities appear on the surface of the woven or knitted fabric when wet, and the unevenness is reduced or eliminated by drying, and a method for producing the woven or knitted fabric. It is to provide a textile product that does not cause discomfort due to wetting caused by water.
• the above object is achieved by the crimped fiber-containing woven or knitted fabric of the present invention, the production method thereof, and the textile product.
• the crimped fiber-containing woven or knitted fabric that exhibits irregularities when wetted with water includes a yarn containing a crimped fiber (A) whose crimping rate decreases when wetted with water, and a non-crimped fiber and wetted with water.
• the shrinkage has changed substantially A knitted or knitted fabric containing yarns containing at least one type of fiber B selected from non-crimped fibers,
• the woven or knitted fabric was allowed to stand for 24 hours in an environment of a temperature of 20 and a humidity of 65% RH.
• the thickness TD of the woven or knitted fabric after being left for 24 hours, and 1 ml of water were dropped on the woven or knitted fabric for 1 minute. From the maximum thickness TW of the water-wet part of the woven or knitted fabric after elapse of time, the unevenness change rate calculated by the following formula:
• Unevenness change rate (%) ((TW-TD) / TD) X 100 is characterized by being 5% or more.
• the crimped fibers A are different from each other in water supply and self-extension properties, and are joined in a side-by-side shape. It is preferably selected from crimped composite fibers comprising a polyester fiber resin component and a polyamide resin component and having crimps formed by expressing the latent crimp performance.
• the polyester fiber resin component is based on the content of the acid component.
• the lithium sulfoisophthalic acid is preferably composed of a modified polyethylene terephthalate resin copolymerized with 2.0 to 4.5 mol%.
• the yarn containing the crimped fiber A preferably has a twist number of 0 to 300 T Zm.
• the fiber B is preferably formed of a polyester resin.
• the woven or knitted fabric is composed only of the crimped fiber A 1 Having at least one portion Y and at least one portion selected from the warp and weft directions of the knitted or knitted fabric, wherein the Hij d Z portion has at least one portion Y composed of only the fibers (B).
• Direction, or course and c: may be formed continuously in at least one direction selected from one direction.
• the woven or knitted fabric is composed of only one or more partial ridges composed of the fibers B, and the fibers (A). And at least one direction selected from the warp and weft directions of the woven or knitted fabric, or the course and the wale. It may be formed continuously in at least one direction selected from the directions.
• the woven or knitted fabric is composed of at least one portion X constituted by the crimped fiber A and the fiber B, and And at least one portion Y composed only of the crimped fiber A, and the X portion is selected from at least one direction selected from the warp and weft directions of the woven or knitted fabric, or from the course and wale directions. It may be formed continuously in at least one selected direction.
• the woven or knitted fabric is composed of at least one portion X composed of the crimped pd crimped fiber A and the fiber B, and At least one part Y composed only of the crimped fiber A and only the fiber B is formed.
• At least one part z, and the Z part is selected from at least one direction selected from the warp and weft direction of the weaving knitted fabric, or from the course and wale direction. It may be formed continuously in at least one direction.
• the woven or knitted fabric has a multilayer woven or knitted structure of two or more layers, and at least one layer in the multilayered structure is the above-mentioned Consists of crimped fibers A and B, at least one other layer is composed of only the fibers B, and the fibers A and B-containing layers and the fiber B-containing layers are partially interchanged. It may be connected to the cable.
• the woven or knitted fabric has a multilayer woven or knitted structure of two or more layers, and at least one layer in the multilayered structure is the crimped Consists of fiber A and fiber B, and at least one other layer is composed only of the crimped fiber A, and the fiber A and B-containing layer and the crimped fiber-containing layer are partially mutually It may be connected.
• the woven or knitted fabric has a multilayer woven or knitted structure of two or more layers, and at least one layer in the multilayered structure is the crimped It is composed only of the fiber A, and at least one other layer is composed only of the crimped fiber B, and the crimped fiber-containing layer and the fiber B-containing layer are partially connected to each other. It may be.
• the method for producing a crimped fiber-containing woven or knitted fabric of the present invention is a method for producing a crimped fiber-containing woven or knitted fabric that exhibits unevenness by water-wetting according to the present invention, wherein the crimped fiber is expressed by heat treatment, When the crimp is wetted with water, the crimp has a property of reducing the crimp rate, a fiber for forming the crimped fiber A, a fiber that does not exhibit crimp by the heat treatment, and The crimp is formed by the heat treatment, but the crimp is formed of at least one fiber selected from fibers that do not substantially reduce the crimp rate due to wetting with water.
• a process for producing a precursor knitted fabric from fibers and a heat treatment applied to the precursor knitted fabric And a step of forming a woven or knitted fabric containing the crimped fiber A and the fiber B.
• the crimped fibers A forming fibers are different from each other in water absorption and self-extension properties, and are joined in a side-by-one-side type. It is preferable to select from uncrimped composite fibers composed of a resin component and a polyamide resin component.
• the polyester resin component in the uncrimped composite fiber includes a polyester resin having an intrinsic viscosity of 0.30 to 0.43, and It is preferable that the resin component contains a polyamide resin having an intrinsic viscosity of 1.0 to 1.4.
• the difference between the dry crimp rate DC and the water wet crimp rate HC (DC-HC) force is preferably 0.5% or more.
• the textile product of the present invention includes the crimped fiber-containing woven or knitted fabric of the present invention.
• the textile product of the present invention is preferably applied from outer clothing, sports clothing, and inner clothing.
• the crimped fiber A whose crimping rate is reduced by water wetting and the fiber B which does not substantially change the crimping rate by water wetting, the surface is uneven by water wetting and is dried by drying.
• FIG. 1 is an explanatory view showing a cross-sectional shape of an example of a crimped conjugate fiber used in the woven or knitted fabric of the present invention.
• FIG. 2 is an explanatory view showing a cross-sectional shape of another example of the crimped conjugate fiber used in the woven or knitted fabric of the present invention.
• FIG. 3 is an explanatory view showing a cross-sectional shape of still another example of the crimped conjugate fiber used in the woven or knitted fabric of the present invention.
• FIG. 4 (A) is an explanatory view showing the cross-sectional shape in the dry state of an example of the woven or knitted fabric of the present invention
• FIG. 4 (B) shows the cross-sectional shape in the water-wet state of the woven or knitted fabric. It is an explanatory diagram
• FIG. 5 is an explanatory plan view showing the structure of another example of the woven or knitted fabric of the present invention when it is in a dry state.
• FIG. 6 (A) is an explanatory view showing a cross-sectional shape of still another example of the woven or knitted fabric of the present invention in a dry state
• FIG. 6 (B) is a water-wetting of the woven or knitted fabric. It is explanatory drawing which shows the cross-sectional shape when it is in a state
• FIG. 7 is an explanatory plan view showing the structure of still another example of the woven or knitted fabric of the present invention when it is in a dry state.
• the fiber B consisting of at least one kind selected from the crimped fiber A of the present invention in which the crimp rate is reduced by water wetting and the non-crimped fiber and the crimped fiber in which the crimp rate is not substantially changed by water wetting. Is included.
• a crimped fiber-containing woven or knitted fabric of the present invention is wetted with water (for example, when wetted by sweat or rain)
• only the crimped fiber A is The crimping rate of the crimped fiber A is decreased when the apparent length of the crimped fiber A is increased and the surface of the woven or knitted fabric wetted with water is formed uneven.
• the unevenness change rate is 5% or more, preferably 10 to 100%.
• the unevenness change rate is less than 5%, the unevenness in the woven or knitted fabric is insufficient when wet, and skin discomfort when wearing it cannot be sufficiently reduced.
• Unevenness change rate (%) ((TW-TD) / TD) X 100
• the thickness at the time of drying is the thickness after leaving the woven or knitted fabric at a temperature of 20 and a humidity of 65% RH for 24 hours.
• the thickness at the time of wetness is the thickness of the woven or knitted fabric. This is the maximum thickness of the dripping point after 1 minute of dripping water for 1 minute.
• the fiber is a composite fiber in which two types of resin components that differ from each other in heat shrinkage, for example, a polyester resin component and a polyamide resin component, are joined in a side-by-side shape, and develops latent crimping performance.
• a crimped fiber having a crimped structure is preferred.
• the polyester resin component in the side-by-side composite fiber has an alkanoic or alkaline earth metal salt or phosphonium salt of sulfonic acid in order to increase adhesion to the polyamide component.
• a modified polyester such as polyethylene terephthalate, polypropylene terephthalate, and polybutylene terephthalate, which are copolymerized with a compound having one or more functional groups having ester-forming ability.
• a modified polyethylene terephthalate obtained by copolymerizing the above compound is particularly preferable because it is versatile and has a low polymer cost.
• the copolymer component include 5-sodium sulfoisophthalic acid and its ester derivatives, 5-phosphonium myophthalic acid and its ester derivatives, and P-hydroxybenzene sodium sulfonate. Of these compounds, 5-sodiumsulfoisophthalic acid is preferred.
• the copolymerization amount of the copolymer component is preferably in the range of 2.0 to 4.5 mol% of the molar amount of the dicarboxylic acid component of the polyester resin component. If the copolymerization amount is less than 2.0 mol%, excellent crimping performance can be obtained, but peeling may occur at the bonding interface between the polyamide component and the polyester component. On the contrary, if the copolymerization amount is larger than 4.5 mol%, the crystallization of the polyester component becomes difficult to proceed during the stretching heat treatment, so the stretching heat treatment temperature needs to be higher than the normal level. As a result, thread breakage may occur frequently.
• the polyamide resin component of the side-by-side type composite fiber is not particularly limited as long as it has an amide bond in the main chain.
• Nylon No. 6 and Ny-Non-66 are preferred in terms of versatility, polymer cost, and yarn production stability.
• the polyester resin component and the polyamide resin component include known additives such as pigments, pigments, matting agents, antifouling agents, fluorescent whitening agents, flame retardants, stabilizers, antistatic agents, and light resistance agents. UV absorbers and the like may be included.
• FIGS. 1 to 3 exemplify the cross-sectional shape of the side-by-side composite fiber used in the present invention.
• the composite fiber 1 shown in FIG. 1 has a circular cross-sectional shape, and a polyester resin component 2 and a polyamide resin component 3 are bonded to a side by side.
• the composite fiber shown in FIG. 2 has an elliptical cross-sectional shape, and the polyester resin component 2 and the polyamide resin component 3 are bonded side-by-side.
• a polyamide resin component 3 having a circular cross-sectional shape is composited in a polyester resin component 2 in an arrangement close to a core-sheath type. . However, a portion of the polyamide resin component 3 is exposed on the fiber peripheral surface.
• the cross-sectional shape of the side-by-side one-sided composite fiber may be a polygon such as a triangle or a quadrangle, a flat shape, a star shape, etc. in addition to the circle and the ellipse, and has a hollow portion. It may be. Among these, it is preferable to have a circular cross-sectional shape shown in FIG. 1.
• the mass ratio of the polyester resin component to the polyamide resin component in the side-by-side type composite fiber used in the present invention is 30. : 70-70: 30 is preferable, and 40: 60-60: 40 is more preferable.
• the single fiber fineness of the crimped fiber A used in the present invention is 1 to 10d x It is preferably 2 to 5 dtex.
• the number of single fibers is preferably 10 to 200, more preferably 20 to 100.
• a composite fiber in which two types of resin components different from each other in heat shrinkability are joined in a side-by-side shape can take any cross-sectional shape and composite form.
• FIGS. 1 to 3 exemplify enlarged cross-sectional views of a side visor type composite fiber that can be used in the present invention.
• a composite fiber having a cross section shown in FIGS. 1 and 2 is used, but it may be close to an eccentric core-sheath type as shown in FIG. Further, it may be a triangle, a quadrangle, or a hollow part in its cross section.
• the composite ratio of the two components can be arbitrarily selected, but usually the mass ratio of the polyester resin component 1 and the polyamide resin component 2 is preferably 30:70 to 70:30, more preferably 40: 60-60: 40.
• the single yarn fineness and the number of single yarns (number of filaments) of the crimped fiber A are not particularly limited, but the single yarn fineness l to 10 dtex (more preferably 2 to 5 dtex), the number of single yarns 10 to It is preferably within the range of 200 (more preferably 20 to 100).
• Such composite fibers in which different types of polymers are joined in a side-by-side type usually have latent crimping performance, and as will be described later, the latent crimping performance is manifested by heat treatment such as dyeing. To do.
• the polyamide component is located inside the crimp and the polyester component is located outside the crimp.
• a composite fiber having such a crimped structure can be easily obtained by the production method described later. Crimp When fiber A has such a crimped structure, the inner polyamide component swells and stretches when wet, and the outer polyester component hardly undergoes a length change. descend. For this reason, the apparent length of the crimped fiber A becomes longer. On the other hand, during drying, the inner polyamide component shrinks, and the outer polyester component hardly changes in length, so the crimp rate increases. For this reason, the apparent length of the crimped fiber A is shortened.
• the crimped fiber A is preferably a non-twisted yarn or a sweet twisted yarn subjected to twisting of 300 T Zm or less so that the crimping rate is easily lowered when it is wet.
• non-twisted yarn is preferable. If a strong twist is applied, as in the case of a strong twisted yarn, the crimp rate may be difficult to decrease when wet. Even if in-lace air processing and / or normal false twist crimping are performed so that the number of entanglements is about 20 to 60 m, there is no problem.
• the crimping rate does not change substantially when wet means that the difference between the crimping rate DC during drying and the crimping rate HC when wet (DC—HC) is less than 0.5%.
• the crimp compression ratio difference (DC-HC) is more preferably 0 to 0.4%, and further preferably 0 to 0.3%.
• Fiber B includes: Polyethylene terephthalate, Polymethylene terephthalate, Polybutylene terephthalate and other polyesters, Nylon 6, Polyamides such as Nylon 66, Polyolefins such as polyethylene and Polypropylene Suitable for clothing such as rubber, acrylic, para-type or meta-type polyamide, and modified synthetic fibers, natural fibers, regenerated fibers, semi-synthetic fibers, polyurethane elastic yarns, polyether ester elastic yarns, etc. Any fiber can be selected.
• the single fiber fineness of the fiber B is preferably 0.1 to 5 dt ex, more preferably 0.5 to 2 dt ex, and
• the number of single fibers constituting the fiber B yarn or filament bundle is preferably 20 to 200, more preferably 30 to 100.
• fiber B-containing yarns or filament bundles are subjected to interlaced air processing and / or normal false twist crimping, and the number of constituent single fibers of 20 to 60 Zm is entangled with each other. May be.
• the woven or knitted fabric of the present invention has the above-mentioned crimped fiber A in which the crimping rate decreases when wetted with water, and non-crimped fibers and / or crimps that do not substantially change the crimped rate when wetted with water.
• fiber B made of fiber.
• the woven or knitted structure and the number of layers are not particularly limited.
• woven structures such as plain weave, twill, satin, and knitted structures such as tenshi, smooth, milling, kanoko, knitting yarn, denbi, half, etc. are preferably exemplified, but not limited thereto.
• the number of layers may be a single layer or a multilayer of two or more layers.
• the reason why unevenness appears in the woven or knitted fabric by water wetting is that the woven or knitted fabric has a portion that undergoes dimensional change (expands) due to water wetting and a portion that does not change in dimension even when wetted with water or has a small dimensional change. While the former changes in dimensions due to water wetting, the latter does not change in dimension or the amount of dimensional change is small. In order to effectively express unevenness by water wetting, it is important to appropriately arrange the crimped fiber A and the fiber B.
• the embodiment (1) has one or more parts (Y part) composed only of the crimped fibers A, and one or more parts (Z part) composed only of the fibers B,
• the Z portion is continuously formed in the longitudinal direction and / or the weft direction, or the wale direction and / or the course direction.
• the Y part has a larger dimensional change when wet than the Z part, and the Z part is continuously connected in the warp direction and the no or weft direction or the wale direction and the Z or course direction in the woven or knitted fabric. Therefore, the dimensional change of the entire woven or knitted fabric can be suppressed, and as a result, the Y part becomes a convex part and unevenness appears.
• the woven or knitted fabric 7 is composed of a Y portion 8 having a large dimensional change due to water wetting, and a Z portion 9 having little or no dimensional change due to water wetting. , Y portion 8 and Z portion 9 form a flat surface, but when it is wetted with water, each of Y portion 8 is woven as shown in FIG. 6 (B).
• the knitted fabric 7 extends to one side of the knitted fabric 7 to form a convex portion.
• the Z portion is not particularly limited to a pattern that is continuously connected in the longitudinal direction and / or the weft direction or the wale direction and the no or course direction, but for example, a border pattern, a stripe pattern, a lattice pattern, etc.
• the Z part: Y part area ratio is preferably 10: 90-90: 10, more preferably 20: 80-80: 20.
• the Y portions 8 are separated from each other by a Z portion 9.
• the area of the Y portion 81 is not particularly limited, but is preferably 0.01 to 4.
• O cm 2 more preferably within the range of 0.1 to 1.0 cm 2 . It is. In this way, it is preferable to prevent stickiness between clothes and skin when sweating.
• the line width of the Z portion 11 is preferably in the range of 0.5 to 100 mm.
• the Z portion is continuously formed in the longitudinal direction and / or the weft direction or the wale direction and / or the course direction.
• the X portion has a larger dimensional change when wet than the Z portion, and the Z portion is continuously in the warp direction and / or the weft direction or the wale direction and / or the course direction in the woven or knitted fabric.
• the dimensional change of the entire woven or knitted fabric can be suppressed, and as a result, the X portion becomes convex and irregularities appear.
• the pattern indicating the continuous state of the Z portion and the area ratio between them may be the same as those in the embodiment (1).
• the X part is continuously connected in the warp direction and / or the weft direction or the wale direction and / or the course direction.
• the dimensional change is greater in the Y part than in the X part, and the X part is continuously connected in the warp direction and / or the weft direction or the wale direction and / or the course direction in the woven or knitted fabric.
• the dimensional change of the entire woven or knitted fabric can be suppressed, and as a result, the Y part becomes a convex part and unevenness appears.
• the continuous pattern of the X portion and the area ratio of both may be the same as those in the embodiment (1).
• the woven or knitted fabric is a portion composed of the crimped fiber A and the fiber B (portion X) and a portion composed only of the crimped fiber A. (Y portion) and a portion (Z portion) composed only of the fiber B, and the Z portion is continuously connected in the longitudinal direction and / or the weft direction or the wale direction and / or the course direction. .
• the Z part has the least amount of dimensional change when wet with water compared to other parts (X part or Y part), and the Z part is continuously in the warp and / or weft direction in the woven or knitted fabric.
• the dimensional change of the entire woven or knitted fabric is suppressed, and as a result, the other part (X part or Y part) becomes a convex part and unevenness appears.
• the continuous pattern of the Z portion and the area ratio of the area of the Z portion and the total area of the other portions may be the same as those in the embodiment (1).
• the woven or knitted fabric is a multilayer woven or knitted fabric comprising two or more layers, and is composed of at least one layer (X layer) composed of the crimped fibers A and the fibers B. ) And at least one layer (Z layer) composed only of the fiber B, and the former layer and the latter layer are partially joined.
• the dimensional change due to wetting is greater in the X layer than in the Z layer, and the portion of the X layer that is not connected to the Z layer forms a convex portion and develops irregularities.
• the woven or knitted fabric 4 is a multilayer body composed of an X layer 6 and a Z layer 5 and a connection layer 5 a that partially connects them.
• this multi-layer knitted fabric is wetted with water, as shown in Fig. 4 (B), layer X 6 expands in the middle of the connection portion to form a convex portion 6 a, but the portion 6 b connected by the connection layer 5 a of the X layer 6 cannot expand.
• irregularities are formed on one side of the woven or knitted fabric.
• the 6 layers X of the woven or knitted fabric are connected to the Z layer (not shown) by the connecting layer (not shown in Fig. 5) by the connecting layer 6b.
• the portion 6a is extended by water wetting and projecting outward to form a plurality of quadrangular convex portions distributed apart from each other, and the concave and convex portions are formed on one side of the multi-layer woven or knitted fabric Form.
• the unconnected portions may be formed in a lattice shape, and the connected portions may form a plurality of regions spaced from each other.
• the woven or knitted fabric is a multilayer woven or knitted fabric composed of two or more layers, and is composed of at least one layer composed of the crimped fibers A and the fibers B ( X layer) and at least one layer (Y layer) composed only of the crimped fiber A, and the X layer and the Y layer are partially joined.
• Y has a larger dimensional change due to wetting than the X layer, and the portion of the Y layer that is not connected to the X layer forms a convex portion, resulting in unevenness.
• the woven or knitted fabric is a multilayer woven or knitted fabric composed of two or more layers, and is composed of at least one layer (Y layer) composed only of HU self-crimped fibers A. It has at least one layer composed of HIJ fiber B only (Z layer), and ⁇ and Z layer are partially connected.
• Y layer is more wet than Z layer. Large dimensional change ⁇ Y part of the Y layer that is not connected to ⁇ forms a bulge, resulting in ruggedness.
• the woven or knitted fabric of the present invention can be easily obtained by the following production method. wear.
• the method of the present invention is a method for producing a crimped fiber-containing woven or knitted fabric in which unevenness is manifested by water wetting, when the crimp is developed by heat treatment, and when the crimp is wetted by water.
• a crimped fiber A-forming fiber having a property of reducing the crimp rate, a fiber that does not develop crimp by the heat treatment, and a crimp that develops crimp by the heat treatment, but the crimp is wet with water
• a step of forming a woven or knitted fabric including the crimped fiber A and the fiber B is a method for producing a crimped fiber-containing woven or knitted fabric in which unevenness is manifested by water wetting, when the crimp is developed
• the crimped fiber A-forming fibers are different in water absorption and self-extension properties, and are joined in a side-by-side type, and a polyamide resin.
• the polyester resin component in the uncrimped composite fiber includes a polyester resin having an intrinsic viscosity of 0.30 to 0.43, and the polyamide It is preferable that the resin component contains a polyamide resin having an intrinsic viscosity of 1.0 to 1.4.
• a polyester having an intrinsic viscosity of 0.30 to 0.43 (measured at 35 using ortho-phenol as a solvent) and an intrinsic viscosity of 1.0 to 1.4 (m Melt-spinning into a side-by-side type using a polyamide with a solvent as a solvent (measured at 30 ° C).
• the intrinsic viscosity of the polyester component is 0.43 or less. If the intrinsic viscosity of the polyester component is greater than 0.43, the viscosity of the polyester component increases. Since it becomes close to a single fiber, a woven or knitted fabric that can achieve the object of the present invention may not be obtained. Conversely, if the intrinsic viscosity of the polyester component is less than 0.30 The melt viscosity becomes too small, and the yarn-making property is lowered, and the generation of fluff is increased, which may reduce the quality and productivity.
• the spinneret used for melt spinning the high-viscosity side and the low-viscosity discharge holes are separated as shown in Fig. 1 of JP-A-2000-144518. It is preferable to use a spinneret with a reduced discharge linear velocity (with a larger discharge cross-sectional area). Then, it is preferable to allow the molten polyester to pass through the high-viscosity side discharge holes and to pass through the molten polyamide through the low-viscosity side discharge holes to cool and solidify them while joining them.
• the weight ratio of the polyester component to the polyamide component is preferably 30:70 to 70:30, more preferably 40:60 to 60:40, as described above.
• the melt composite spinning after the melt composite spinning, another winding method in which the film is once wound and then stretched may be employed, or a straight stretching method in which a stretching heat treatment is performed without winding may be employed.
• normal conditions may be used as the spinning and drawing conditions.
• the draw ratio of the composite fiber obtained at the end is preferably 10 to 60% (more preferably 20 to 45%), and the tensile strength is preferably about 3.0 to 4.7 cN / dtex. What is necessary is just to select suitably.
• the difference (DC ⁇ HC) between the dry crimp rate DC and the water wet crimp rate HC is preferably 0.5% or more.
• the dry crimp rate DC is 2 to 6%. More preferably, the water wet crimp rate HC is more preferably 1 to 3%, and the difference between the dry crimp rate DC and the water wet crimp rate HC (DC—HC) is:! More preferably, it is ⁇ 5%.
• the dry crimp rate DC and the water wet crimp rate are measured by the following measuring methods.
• Frame circumference 1. Using a 125m rewinding frame, load: 49Z50mNX 9 X and turn it at a constant speed (0. lgix total denier) and roll it up at a constant speed. In the twisted double ring, the endorsement was put into boiling water with the initial load of 49 2500mNX20x 9 X Totaltex (2 mgX 20 X total denier) for 30 minutes. Then, dry it for 30 minutes in a dryer at 100 ° C, and then put it into the drying at 160 with the initial load applied and treat for 5 minutes. After this dry heat treatment, the initial load is removed and the sample is left in a temperature of 20 ° C and humidity of 65% RH for at least 24 hours.
• the initial load and ⁇ ⁇ ⁇ X 9 x totartex (0.2gf x20x total denier) , Measure the total length: L0, immediately remove only the heavy load, and measure the total length: L1 after 1 minute of dehumidification.
• the bag was immersed in water at a temperature of 20 ° C for 2 hours with the initial load applied, taken out and sandwiched between a pair of filter papers (size 30cmX30cm), and 0.
• GgmNZcm 2 (70mgf / After lightly wiping off the water for 5 seconds with a pressure of cm 2 ), apply initial load and heavy load, measure total length: L 0 ', immediately remove only heavy load, and total length after 1 minute of depletion: Measure L 1 '. From the above measured values, the following formula is used to calculate the crimp ratio DC (%) during drying, HC (%) crimp when wet, and the difference in crimp ratio between dry and wet (DC—HC) (% ) Is calculated. The number of measurements n is 5, and the average value of the measured values is obtained.
• Crimp rate during drying DC () ((L 0-L 1) / L 0) X 100
• Crimp rate when wet HC (%) ((L 0 '-L 1') / L 0 ') X 100
• the dry crimp ratio DC is less than 1.5%
• the dry crimp ratio DC is larger than 13%, the crimp is too strong, and the crimp does not easily change when wet with water, and there is a possibility that unevenness will not appear.
• a woven or knitted fabric is knitted simultaneously using the composite fiber and a fiber B having a crimp that does not change substantially when crimped or not crimped, and is then subjected to a dyeing process.
• the latent crimp of the composite fiber is expressed by heat (referred to as a crimped fiber).
• the knitted or knitted fabric is knitted
• the woven or knitted structure is not particularly limited, and the above-described one can be appropriately selected.
• the dyeing processing temperature is preferably 100 to 140 ° C, more preferably 110 to 135 ° C, and the dyeing time is within the range of 5 to 40 minutes when keeping the kneading temperature. It is preferable that By subjecting the woven or knitted fabric to a dyeing process under such conditions, the composite fiber develops crimps due to a difference in thermal shrinkage between the polyester component and the polyamide component. At that time, by selecting the aforementioned polymer as the polyester component and the polyamide component, a crimp structure in which the polyamide component is located inside the crimp is formed.
• a woven or knitted fabric that has been dyed is usually subjected to a dry heat final set.
• the temperature of the drying final set is preferably 120 to 200, more preferably 140 to 180 ° C, and the final set time may be within a range of 1 to 3 minutes. preferable. If it is lower than the temperature of the dry heat final set, stains generated during the dyeing process are likely to remain, and the dimensional stability of the finished product will deteriorate. There is it. On the contrary, if the temperature of the dry heat final set is higher than 200, there is a risk that the crimp of the composite fiber developed during the dyeing process may be reduced, or the fiber may be hardened and the texture of the fabric may be hardened. .
• the woven or knitted fabric obtained by the method of the present invention when the woven or knitted fabric is wetted by perspiration or rain, the apparent length of the crimped fiber A is extended due to a decrease in the amount of crimp.
• the fiber B since the fiber B does not stretch even when wet, the overall dimensions of the woven or knitted fabric are fixed.
• the portion containing the crimped fiber A forms a convex portion, and unevenness is developed. Such unevenness can reduce stickiness when wet.
• the stickiness force is preferably 980 mN (l OOgr f) or less.
• the sticky force means that a fabric having a length of 15 cm and a width of 6 cm is placed on a metal roller having a diameter of 8 cm as shown in FIG. 1 of JP-A-9-195172. Attach one end to a 'strain gauge and attach a clip weighing 98mN (l Og rf) to the other end of the fabric. Next, while rotating the metal roller at a surface speed of 7 cm / s ec, 0.5 cm 3 is injected between the metal nozzle and the fabric with a syringe, and the tension applied to the fabric is stressed. Measure with a strain gauge and use the maximum value as the stickiness.
• the textile product of the present invention includes outer garments, sports garments, and inner garments.
• Example 1 The textile product of the present invention includes outer garments, sports garments, and inner garments.
• m_cresol was used as a solvent and measured at a temperature of 30 ° C.
• the boiling water shrinkage (%) was measured by the method specified in JIS L 1013-1998, 7.15. The average value was obtained from n number 3.
• Frame circumference 1. Using a 125m rewind frame, load: 49 / 50mNX 9 X total tex (0. lgf x total denier) and roll at a constant speed. Make a twisted dovetail into a double ring shape and place it in boiling water under the initial load of 49 / 2500 ⁇ 20 ⁇ 9 ⁇ ⁇ ⁇ ⁇ Totaltex (2 mgx 20X total denier) for 30 minutes. After the treatment, it was dried in a dryer at 100 for 30 minutes, and then placed in 160 ° C dry heat for 5 minutes with the initial load applied. After the dry heat treatment, remove the initial load and leave it in a temperature 20 ° C, humidity 65% RH environment for 24 hours or more.
• Crimp rate during drying DC (%) ((L 0-L 1) / L 0) X 100
• Crimp rate when wet HC (%) ((L 0 '-L 1') / L 0 ' ) X 100 6. Strong power
• a test piece of a test knitted fabric knitted with a length of 15 cni and a width of 6 cm is placed on a 8 mm diameter metal luff with a polished surface.
• One end was attached to a stress strain gauge, and a clip weighing 98 DIN (lOgri) was attached to the other end of the test piece.
• a stress strain gauge was attached to the other end of the test piece.
• a clip weighing 98 DIN lOgri
• 0.5 ml of water is gently injected between the metal roller and the fabric with a syringe, and the tension applied to the test piece at this time is stressed.
• the maximum value was taken as the sticking force.
• the number of n was 5, and the average value was obtained. The higher the measured value, the higher the stickiness.
• the yarn After cooling, solidifying and applying oil, the yarn is fed at a speed of lOOOOmZ at a temperature of 60.
• a preheat roller is used for preheating, and then a heat treatment is performed between the preheating roller and a heating roller heated at a speed of 3050 mZ and at a temperature of 150, and wound to obtain a 84 dtex / 24 iil composite fiber bundle. It was.
• This composite fiber had a tensile strength of 3.4 cN / dtex and an elongation at break of 40%.
• the composite fiber bundle was subjected to boiling water treatment to develop crimp, and the crimp rate was measured.
• the dry crimp rate DC was 3.3%
• the water wet crimp rate HC was 1.6%
• the difference between the dry crimp rate DC and the water wet crimp rate HC (DC-HC) was 1.7%.
• the uncrimped composite fiber bundle (not boiled water treated and not crimped; untwisted yarn) and ordinary polyethylene terephthalate multifilament yarn (fiber B) with a boiling water shrinkage of 8%
• a circular knitted fabric with the knitting structure shown in Table 1 was knitted using 84dtexZ72fil and a 28-gauge double circular knitting machine.
• Fig. 4 In this circular knitted fabric, the cross-section in the thickness direction is as shown in Fig. 4.
• One layer (Z layer) is composed only of fibers B, and the other layer (Y layer) is composed only of crimped fibers A. And Y layer were partly joined by polyester fiber B yarn.
• the surface of the knitted fabric viewed from the Y layer side is a square section where the Y layer and the Z layer are connected in a lattice shape as shown in Fig. 5.
• the convex portion 6 b became a convex portion and unevenness was developed.
• Example 1 Using a 28-gauge tricot knitting machine, fully set the same composite fiber (Fiber A) as used in Example 1 for the back ⁇ , and the middle ⁇ used in Example 1
• the same polyethylene terephthalate multifilament yarn (Fiber B) is set in 2 in lOout, and the same polyethylene terephthalate multifilament yarn used in Example 1 is used for Freon (registered trademark).
• (Fiber B) is set at lOout 2 in, knock 10-12, middle 10-12-12-23-45-43-32-21, front (registered trademark) 45-43 — 32— 21— 10— 12— 23— 34 knitting structure, on-machine course 60 kn .
• this knitted fabric was dyed and finished in the same manner as in Example 1.
• the dry cross section in the thickness direction is composed of a portion (Y portion) composed only of the crimped fiber A, a crimped fiber A, and a fiber B, as shown in FIG. 6 (A). It consisted of part (X part).
• the knitted surface is continuously connected to the entire knitted fabric in a diamond pattern, and when wet, the square part (Y part) surrounded by this diamond pattern has a convex part. As a result, irregularities appeared.
• Example 2 In the same manner as in Example 1, a circular knitted product (including a water absorbing agent) product was produced. However, the same composite fiber as that used in Example 1 was used instead of the polyethylene terephthalate multifilament yarn (fiber B).
• the obtained knitted fabric was unsatisfactory in practical use because the unevenness change rate during drying and wetting was 2% and the stickiness was 1470 ⁇ (150gf), and the stickiness during wetting was large.
• unevenness is reversibly developed on the surface of the woven or knitted fabric when wet, and the woven or knitted fabric in which the unevenness is reduced when dried, and the wear, inner wear, sports wear using the woven or knitted fabric, and the like.
• the stickiness between the skin and clothes when sweating can be reduced.

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• 2004
  • 2004-10-15 JP JP2004301219A patent/JP2006112009A/ja active Pending
• 2005
  • 2005-10-13 KR KR1020077008208A patent/KR101220720B1/ko active IP Right Grant
  • 2005-10-13 WO PCT/JP2005/019245 patent/WO2006041200A1/ja active Application Filing
  • 2005-10-13 CA CA 2579211 patent/CA2579211C/en active Active
  • 2005-10-13 EP EP05795767.2A patent/EP1801274B1/en active Active
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  • 2005-10-13 US US11/665,349 patent/US20070270067A1/en not_active Abandoned
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