WO2003089700A1 - Fibre elastique et utilisation de celle-ci - Google Patents

Fibre elastique et utilisation de celle-ci Download PDF

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Publication number
WO2003089700A1
WO2003089700A1 PCT/JP2003/004890 JP0304890W WO03089700A1 WO 2003089700 A1 WO2003089700 A1 WO 2003089700A1 JP 0304890 W JP0304890 W JP 0304890W WO 03089700 A1 WO03089700 A1 WO 03089700A1
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WO
WIPO (PCT)
Prior art keywords
yarn
fiber
elastic
elastic fiber
fabric
Prior art date
Application number
PCT/JP2003/004890
Other languages
English (en)
Japanese (ja)
Inventor
Tetsuo Kotani
Seiichi Ochi
Akihisa Nakagawa
Yoshinobu Oie
Ryoji Nakamura
Futoshi Ishimaru
Original Assignee
Toyo Boseki Kabusiki Kaisya
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2002291492A external-priority patent/JP3838430B2/ja
Priority claimed from JP2002296542A external-priority patent/JP3838431B2/ja
Priority claimed from JP2002322533A external-priority patent/JP4078540B2/ja
Priority claimed from JP2002322277A external-priority patent/JP2004156168A/ja
Priority claimed from JP2003029948A external-priority patent/JP3975398B2/ja
Priority claimed from JP2003049721A external-priority patent/JP3518685B2/ja
Application filed by Toyo Boseki Kabusiki Kaisya filed Critical Toyo Boseki Kabusiki Kaisya
Publication of WO2003089700A1 publication Critical patent/WO2003089700A1/fr
Priority to HK06100233.1A priority Critical patent/HK1077853A1/zh

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Classifications

    • 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
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • 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
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/94—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of other polycondensation products
    • 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
    • D03D15/56—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 elastic
    • 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
    • D04B21/18—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 elastic threads

Definitions

  • the present invention relates to an elastic fiber having a heat-absorbing heat-generating property, its use such as a woven or knitted fabric, and a method for producing a knitted fabric.
  • synthetic fibers such as polyester fibers, nylon fibers, and polyurethane elastic fibers, unlike natural fibers such as cotton, wool, and silk, generally have poor hygroscopicity due to their low content of hydrophilic functional groups.
  • hydrophilicizing synthetic fibers have been studied for many years, and various hydrophilic treatments have been proposed as outlined in, for example, Dyeing Industry, Vol. 47, No. 10 and 491. Techniques for improving the water absorption of polyurethane-based elastic fibers are disclosed in Japanese Patent Application Publication No. JP-A-H11-118046.
  • a water-insoluble, nonionic water-absorbing polyurethane yarn having high water absorption, high biocompatibility, and excellent physical strength, excellent processability, and a production method using melt spinning are disclosed.
  • the water absorption rate is 200% or more, and the fiber constituent polymer itself has a high water absorption performance, the fiber surface swells during washing or sweat absorption to give a slimy feeling, so that it is used for clothing. May cause problems.
  • JP-A-2001-94842 discloses that polyurethane-based elasticity is obtained by using a water-soluble polyalkylene ether polyol which is a hydrophilic polyol as a polyol component of a matrix polymer. Techniques for increasing the hygroscopicity of fibers have been disclosed. According to this, the problem of Japanese Patent Application Laid-Open No. 11-8106 is solved, and it is disclosed that the effect of swelling can be reduced to a level that does not affect texture even when used for clothing. Such a problem remains.
  • examples of the highly water-absorbing polymer include a polyacrylic acid polymer, a polyvinyl polymer, a polyamide polymer,
  • super-absorbent polyurethane polymers and the like are localized so that there is a problem that physical properties are reduced and spinning stability is impaired.
  • the superabsorbent polymer is generally not crosslinked, it swells due to water absorption and swells the polyurethane-based elastic fiber in the same manner as the introduction of the hydrophilic polyol. In some cases, thread breakage or poor quality due to scum sticking to guides may cause post-processing problems.
  • Woven and knitted fabric made of non-stretchable fibers such as polyester fibers, polyamide fibers, and cellulosic fibers and polyurethane elastic yarns have excellent stretch performance, so they can be used around pantyhose skins, socks, brassiere, and girdle.
  • Japanese Patent Application Publication and JP-A-2002-38375 discloses that acryl-based moisture-absorbing and heat-generating resin particles are post-processed by a resin bonding method or a graft polymerization method.
  • a method of fixing to the surface of polyester fabric has been proposed. May also be present in the surface yarn, causing stickiness when absorbing moisture, problems with washing durability, and hardening of the texture.
  • Synthetic fibers also have many fibers with excellent hygroscopicity, but generally have low strength and are unsuitable for stocking applications where thinness and durability are required.
  • ylon or polyester is the main filament used for stockings,
  • Ny Knit uses nylon filament yarn because of its high official moisture content and high strength among synthetic fibers.
  • tights for heavy cold weather, but young women who are concerned about their appearance often complain.
  • Japanese Patent Application Publication No. JP-A-2001-131802 discloses that moisture-absorbing and heat-generating resin particles are subjected to post-processing with an adhesive resin such as nylon and polyurethane elasticity.
  • an adhesive resin such as nylon and polyurethane elasticity.
  • Warm-ups are usually performed to warm muscles and joints before starting exercise, prevent injuries, and improve athletic performance. Warm-up is important especially for outdoor sports in cold weather.
  • examples of the fiber having a hygroscopic property and a temperature control action include a crosslinked acrylic fiber described in Japanese Patent Application Publication No. JP-A-9-158972.
  • the crosslinked acrylic fiber does not have elasticity suitable for sportswear and the like, and no special measures are taken in consideration of ease of movement.
  • work clothes worn in all workplaces are required to have a protective effect on the body in addition to the warming and decorative effects required for ordinary clothing.
  • working clothes for outdoor work are required to prevent trauma and to protect the skin by blocking ultraviolet rays.
  • medical uniforms and, in some cases, laboratory uniforms are required to have an effect of preventing body contamination by bacteria and the like.
  • work clothes are also required to maintain the temperature and humidity inside the clothes moderately and to make it easier to work, especially for outdoor winter work clothes, which release the heat retaining effect and sweat outside the clothes. It is required to produce an effect.
  • cotton fabric When moisture absorption or water absorption function is essential, cotton fabric is mainly used. However, cotton fiber does not dry quickly, so it feels sticky and feels cold during work breaks. In this respect, wool fabric has an excellent heat retaining effect and an effect of transmitting moisture in clothes to the outside, but is inferior in mechanical durability as work clothes.
  • the above-mentioned crosslinked acryl-based fiber is known as a fiber having a hygroscopic property and a temperature controlling action.
  • the crosslinked acrylic fiber does not have elasticity suitable for work clothes or the like, and no particular measures have been taken in consideration of ease of movement.
  • the objects of the present invention are classified into the following first to fourth objects.
  • a first object of the present invention is to provide an elastic fiber suitable for a stretchable fabric having high heat retention, comfort, and aesthetics, and has excellent post-processing passability and is excellent.
  • Another object of the present invention is to provide an elastic fiber suitable for stretch clothing which has heat resistance and which quickly removes water vapor generated by sweating during exercise from the skin and does not stuffy.
  • a second object of the present invention is to provide a knitted fabric having high heat absorption by moisture absorption, excellent heat retention by this heat generation, and excellent stretchability.
  • the purpose of the present invention is to provide a knitted fabric having an excellent warm-up effect during exercise such as exercise.
  • a third object of the present invention is to provide a stocking that imparts hygroscopicity to a stocking, has a heating effect at the time of absorbing moisture, and maintains a comfortable state without complaint.Furthermore, it also has an antibacterial and deodorizing effect, The aim is to provide stockings with excellent washing durability.
  • a fourth object of the present invention is to provide clothing that has a heating effect and is easy to move, and a woven fabric suitable for the clothing. Disclosure of the invention
  • the present inventors have made intensive studies to solve the above-mentioned problems, and finally completed the present invention. It came to be. That is, the present invention has the following configurations.
  • An elastic fiber characterized in that the maximum temperature rise during moisture absorption and / or water absorption is 2 ° C or more.
  • PSD is the dry heat set rate after treatment at 190 ° C for 1 minute under 100% elongation
  • PSW is from 40 ° C with wet heat over 60 minutes under 100% elongation.
  • the moist heat set rate after heating to 130 ° C and subsequently heat-treating at 130 ° C for 60 minutes is shown below.
  • the elastic fiber according to the above item 1 wherein the moisture content at CX 65% RH is 30% or more, and the high moisture absorption / desorption fine particles are contained in an amount of 0.2 to 50% by weight based on the fiber weight.
  • the elastic fiber according to the above item 1 characterized in that it is a moisture absorbing / releasing organic fine particle having at least OmmolZg. ⁇
  • a woven fabric characterized by using at least a part of the elastic fiber described in 1 above. knitting.
  • a highly elastic knitted fabric composed of elastic fibers and inelastic fibers, having a constant load elongation of 50% or more, a constant load elongation recovery of 50% or more, and a knitted fabric that absorbs moisture.
  • Highly stretchable knitted fabric characterized by a surface temperature rise of 3 ° C or more.
  • a method for producing an elastic knitted fabric comprising knitting with a warp knitting machine using the bare yarn of the elastic fiber described in the first item and the synthetic filament yarn at the forefront.
  • a knitted fabric that has at least a part of an elastic knitted fabric composed of inelastic fibers and elastic yarns, exhibits a heating effect of a temperature rise rate of 5 ° CZ or more when absorbing moisture, and has an endothermic effect when releasing moisture.
  • An elastic knitted fabric wherein the difference in the heat of moisture absorption before and after washing the knitted fabric 10 times is less than 1 ° C.
  • the inelastic fiber is at least one fiber selected from a polyester fiber, a polyamide fiber, and a cellulosic fiber.
  • a stocking comprising at least an elastic yarn and a synthetic fiber yarn, exhibits a heating effect of 7 ° C / min or more when absorbing moisture, exhibits a heat absorbing effect when releasing moisture, and has a 10-min.
  • Stocking characterized in that the difference in the heat of moisture absorption after washing is less than 1 ° C.
  • the front and back surfaces of the knitted fabric constituting the stocking are mainly covered with synthetic fibers, and the surface of the synthetic fiber has substantially no high moisture absorbing / releasing fine particles, and the elastic yarn constituting the stocking has high absorption.
  • 20. The twentieth aspect according to the twentieth aspect, wherein the moisture-absorbing fine particles are contained in an amount of 0.2 to 50% by weight, and the non-woven yarn is compounded in an amount of 20% by weight or more of the constituting knitted fabric.
  • Clothing comprising at least a part of the fabric according to item 31 above.
  • Inelastic fibers constituting the composite yarn and / or fibers other than the composite yarn constituting the woven fabric 40 The fabric according to the above item 39, wherein the fiber is a yarn containing short fibers, and the yarn containing the short fibers is a cotton spun yarn or a cotton blended yarn.
  • Clothing comprising at least a portion of the fabric of item 39.
  • the elastic fiber according to the present invention preferably has a maximum temperature rise of 2 ° C. or more upon moisture absorption and Z or water absorption. More preferably, it is 3X: or more. This is because elastic fibers having such properties can impart high heat retention to fabrics on thin fabrics. However, if the maximum temperature rise during moisture absorption and Z or water absorption is set too high, the number of thread breaks may increase at the time of spinning, and the temperature rise unnecessarily too high for use in actual woven or knitted fabrics. It is not preferable to cause this, and usually, the maximum temperature rise of the elastic fiber may be about 1 o ° c or less.
  • the elastic fiber according to the present invention has the above-mentioned heat-generating property, and has a moisture absorption rate of 0.5% or more at 20 ° C x 65% RH, and a moisture absorption rate of 1 at 20 ° C x 95% RH.
  • the moisture absorption at 20 ° C x 65% RH is 1.0 to 5.0%
  • the moisture absorption at 20 ° C x 95% RH is 2.0 to L; 5.0%.
  • the elastic fiber having the above-mentioned characteristics not only makes it possible to make a fabric having a certain heat-retaining property thin, but also effectively absorbs sweat, so that even if the body warms and sweats, it does not cause discomfort, It provides a high degree of comfort that is warm and stuffy. Further, it is possible to eliminate the feeling of cooling when sweat is cooled after sweating.
  • the elastic fiber of the present invention preferably has a difference in moisture absorption at 20 ° C. 65% RH and 20 ⁇ X 95% RH of at least 1.0%, more preferably at least 2.0%. This value indicates the ability to absorb sweat, and the higher the value, the higher the ability.
  • the dry heat setting property of the polyurethane-based elastic fiber of the present invention was determined by PS It is preferable that D (dry heat set rate after treatment at 190 ° C. for 1 minute under 100% elongation) is 60% or more. If this value is less than 60%, the dimensional stability of the dough in the pre-setting process is poor, which is not preferable.
  • the wet heat setting property of the polyurethane elastic fiber of the present invention was determined by the PSW (100% elongation after heating from 40 to 130 ° C with wet heat over 60 minutes under 100% elongation) according to the measurement method described below.
  • the wet heat setting after continuous heat treatment at 130 ° C. for 60 minutes) is preferably 75% or less. This value indicates the heat resistance in the dyeing process, and the larger the value, the better the heat resistance. That is, if the PSW is larger than 75%, it is not preferable because knitting with polyester fibers that requires high-temperature and high-pressure dyeing becomes difficult and the elastic recovery property is reduced.
  • elastic fibers are not exposed on the surface of the fabric and are usually present inside the fabric.If such elastic fibers generate heat, they will generate heat from inside the fabric, and the heating element is covered with a heat insulating material. It has the same effect as above, and can effectively retain heat and heat, and can also achieve high comfort.
  • the inelastic fiber exposed to the fabric surface is given heat-generating properties, the part exposed on the anti-human body side cools quickly, resulting in poor efficiency, and when the part on the human body side generates heat, the comfort decreases. Is not very desirable.
  • the method of adhering an agent that generates heat when absorbing moisture to the surface of the fabric using a binder by padding or the like and including it in the fiber exposed on the surface has the disadvantage that the texture is easily damaged, and the padding etc. The properties tend to be inadequate, which is not very desirable.
  • Elastic fibers have the advantage that they are less likely to be exposed on the fabric surface during normal use, and do not impair the feel. It can be said that it is a preferable embodiment that the elastic fiber contains an agent that generates heat by absorbing moisture.
  • the elastic fiber is a polyurethane elastic fiber.
  • Spinning can be performed by any of dry spinning, wet spinning, and melt spinning.
  • organic, Z or inorganic particles can be used as the fine particles having high moisture absorption and desorption. Fine particles of polymer-based polymer, fine particles of polyvinyl-based polymer, fine particles of polyamide-based polymer, fine particles of polyurethane-based polymer, fine particles of porous silica, fine particles of hydrophilic silica, etc.
  • the particle size is more preferably 20 m or less, preferably 10 or less, and more preferably 5 or less. Most preferably, it is 2 Aim or less. This is because it is necessary to disperse the highly hygroscopic fine particles into the fibers during the spinning process in order to achieve the above-mentioned object. If the particle size is larger than 20, the particles are segregated after addition and mixing, and the particles are prematurely drawn out to the fiber surface, which may cause breakage of the spun yarn and breakage of the yarn due to scum adhesion in post-processing.
  • the average particle size is preferably 0.1 zm or more.
  • the shape of the fine particles is not particularly limited, and may be any shape such as a true sphere, a slightly flat sphere, and an irregular shape.
  • the content of the highly hygroscopic fine particles in the polyurethane elastic fiber is preferably at least 0.2% by weight. More preferably, it is at least 0.5% by weight. If it is less than 0.2% by weight, the hygroscopicity becomes poor, which is not preferable. However, if the content is too large, the spinnability at the spinning stage is reduced and the number of breaks increases, so that the content is preferably 50% by weight or less, more preferably 48% by weight or less. is there. '
  • the swelling degree of the fine particles having high moisture absorption / release properties used in the present invention is preferably at most 200%, more preferably at most 100%. If the degree of swelling exceeds 200%, the polyurethane elastic fiber itself swells due to moisture, which causes thread breakage due to adhesion of scum in force barring / knitting and poor quality. The smaller the degree of swelling of the highly hygroscopic fine particles, the better.
  • swelling due to moisture absorption occurs only in small amounts in the moisture-absorbing and desorbing organic fine particles, and the polyurethane polymer forming the fiber hardly swells due to moisture absorption. There are few problems in post-processing due to thread breakage and poor quality due to the adhesion of scum to the like.
  • the highly hygroscopic fine particles used in the present invention are preferably non-biological polymer high hygroscopic organic fine particles because of their high moisture content at 20 ° C and 65% RH.
  • the moisture content of the organic moisture-absorbing / desorbing fine particles at 2 OX 65% RH is preferably 30% or more. It is more preferably at least 35%, most preferably at least 40%.
  • wool powder and keratin powder which are considered to be the most hygroscopic among the fine particles that are considered to be hygroscopic, have a maximum moisture content of 15% at 20 ° C x 65% RH. It is.
  • polysaccharide-based fine particles such as starch-cellulose, silk, collagen and the like and protein-based fine particles is about 8 to 12% smaller than the above-mentioned wool powder or keratin powder.
  • urea resin and melamine resin powders There are other urea resin and melamine resin powders, but the moisture content at 20 ° C and 65% RH is considered to be far below 30%, which is not very desirable.
  • the particle size of the highly moisture-absorbing and releasing particles is 20 m or less, preferably 10 / m or less, more preferably 5 or less, and It is preferably 2 im or less, and its content is preferably 0.2 to 50% by weight based on the fiber. If the content is lower than this range, a sufficient effect cannot be obtained, and if the content is higher than the range, problems such as inducing yarn breakage during the production of elastic fibers occur.
  • the hydrophilic groups of the highly hygroscopic organic fine particles include a salt-type lipoxyl group, a salt-type sulfonic acid group, Salt-type phosphate groups and salt-type phosphonate groups.
  • Salts include alkali metals such as Li, Na, and K, alkaline earth metals such as Mg, Ca, and Ba, and Cu, Ag, and Mn.
  • Moisture-absorbing and desorbing organic fine particles are introduced into acrylonitrile-based polymer containing acrylonitrile by 50% by weight or more by hydrazine, dipinylbenzene or triaryl isocyanurate treatment, and the remaining nitrile groups are hydrolyzed to form salt-type carboxyl. It is particularly preferable that the compound has a salt-type carboxyl group of at least 1.Ommo 1 Zg.
  • an acrylonitrile-based polymer containing acrylonitrile of 85% by weight or more has an increased nitrogen content of 1.0 to 1;
  • a crosslinked structure is introduced by hydrazine treatment so as to obtain 5.0, and the remaining nitrile group is chemically converted into a salt-type lipoxyl group by hydrolysis.
  • the remaining nitrile groups are chemically converted into salt-type carboxyl groups by hydrolysis, and are converted to acryl-based metal particles having salt-type carboxyl groups of at least 2.0 mm0 1 / g.
  • the amount of the salt type lipoxyl group is more preferably 4.0 to 1.0 Ommo1 / g.
  • a method for producing the highly moisture-absorbing and releasing organic fine particles for example, a method described in Japanese Patent Application Publication and Japanese Patent Application Laid-Open No. 8-225610 can be used.
  • the moisture-absorbing and heat-generating action of the elastic fiber of the present invention is mainly derived from its salt-form lipoxyl group
  • the product of the salt-form lipoxyl group concentration (case ol / g) and the fine particle concentration (weight%) in the fiber is usually obtained. It is preferable to determine the concentration of fine particles in the fiber so as to be about 40 to 80, especially about 45 to 75.
  • the content of the fine particles in the elastic fiber is within the above range, it is preferable because sufficient warmth can be felt and spinning is not difficult due to thread breakage or the like.
  • metal-converted particles are crosslinked acryl-based polymer fine particles.
  • the monomer used in combination with acrylonitrile includes vinyl halide, vinylidene halide, and ester acrylate.
  • sulfonic acid-containing monomers and salts thereof such as methacrylic acid esters and p-styrenesulfonic acid; carboxylic acid-containing monomers and salts thereof such as acrylic acid; acrylamide, styrene, and vinyl acetate.
  • the elastic fiber containing the organic particles having high moisture absorption / release properties has both good heat generation and moisture absorption.
  • the hygroscopic organic fine particles exhibit remarkable heat generation and hygroscopicity when added to polyurethane elastic fibers as compared to non-elastic fibers such as esters or nylon, while polyurethane elastic fibers
  • the deterioration of physical properties such as high elongation is very slight. The reason is unknown, but it is presumed that it is easy to bleed out to the fiber surface.
  • the organic particles having high moisture absorption / release properties also exhibit excellent antibacterial properties and deodorant properties, and are particularly effective in adding value to the elastic fiber of the present invention used for stockings and underwear. Provide the value.
  • the elastic fiber in the present invention refers to a fiber that is generally considered to exhibit rubber elastic behavior according to social conventions, and can be stretched, for example, at least 50% or more, more preferably 100% or more, and Fibers having a recovery rate of 20% or more are exemplified.
  • the recovery rate here refers to the ratio of the length shortened by the recovery to the total elongation.
  • a typical example is a polyurethane-based elastic fiber having particularly excellent elasticity.
  • the polyolefin polymer that can be used for the elastic fiber according to the present invention includes an N, N′-dimethylacetamide which is an intermediate polymer composed of a polyol and an excess mole of a diisocyanate compound at both ends of which are isocyanate groups. It may be obtained by dissolving in an inert organic solvent such as dimethylsulfoxide and reacting a diamine compound.
  • the polyol is not particularly limited, and examples thereof include a polymer diol.
  • polyether diols such as polyoxyethylene glycol, polyoxypropylene blendol, polyoxytetramethylene glycol, polyoxypentamethylene glycol and polyoxypropylene tetramethylene glycol, adipic acid, sebacic acid, maleic acid, One or more dibasic acids such as itaconic acid, azelaic acid and malonic acid and ethylene glycol, 1,2-propylene glycol, 1,3-propylene glycol, 2,2-dimethyl_1,3-propane Polyesterdiols and poly ⁇ -caprolides obtained from one or more glyco-types such as diols, 1,4-butanediol, 2,3-butanediol, hexamethylene glycol, and diethylenedalicol Lactone and polyvalero Porirakuto Njioru, polyesteramide diols such as lactone, polyetherester dio
  • the diisocyanate compound is not particularly limited as long as it is an aliphatic, alicyclic or aromatic diisocyanate compound.
  • the diamine compound as a chain extender is not particularly limited.
  • the elastic fiber according to the present invention may be used for a covering yarn or a false twist yarn. This is because the above-described composite elastic yarn is coated with the elastic fiber, and thus can provide a long, high heat retaining effect and comfort.
  • the elastic fiber according to the present invention may be used for pantyhose. This is because the purpose of this application is to place emphasis on the aesthetics when worn and a thin fabric is required, so that the effects of the present invention can be particularly exhibited.
  • the cross-woven material of the elastic fibers according to the present invention may be any of a thermoplastic synthetic fiber, a natural fiber, and a regenerated fiber.
  • thermoplastic synthetic fiber any of a polyester fiber and a polyamide fiber is used. It is desirable to use cotton, wool and polynosic fiber for recycled fiber.
  • cross-weaving the mating material and the elastic fiber according to the present invention there is no particular limitation in cross-weaving the mating material and the elastic fiber according to the present invention.
  • polyester fiber or the like is used as the elastic fiber. It is common to use force warping for warp and / or weft.
  • cross knitting with a mating material it is possible to directly align the mating material with the mating material, and to knit in with force barring yarn.
  • the dyeing process of the obtained stretchable knitted fabric it is possible to adopt a general processing process in which the greige fabric is relaxed and scoured, then pre-set, dyed, dried, and treated by hand, and finish-set.
  • the knitted fabric of the present invention has high elasticity constituted by the elastic yarn and the inelastic fiber as described above.
  • the inelastic fiber in the present invention is a fiber having a breaking elongation of less than 100%, which is a natural fiber such as wool, cotton, or silk, or a synthetic filament such as nylon or polyester.
  • the inelastic yarn does not substantially contain moisture-absorbing and heat-generating organic fine particles, and the front and back surfaces of the knitted fabric are covered with inelastic fibers.
  • Substantially not containing the hygroscopic organic fine particles here means that the knitted fabric does not contain a particle amount that influences the moisture absorption rate of the knitted fabric.
  • the mixing ratio of the elastic yarn in the knitted fabric of the present invention is preferably 20% by mass or more of the constituent knitted fabric in order to obtain a moisture absorbing and heating effect, and 50% by mass in order to maintain comfort when worn. It is preferred to be less than.
  • the elastic yarn according to the present invention has a characteristic that heat generation and heat radiation are mild and continuous for a long period of time because the elastic yarn has a low moisture absorption / desorption rate and a high level of moisture absorption compared to cotton fiber and wool fiber, especially after stopping perspiration. The rate of decrease in the fiber temperature is slow, and it has the effect of suppressing the feeling of cold after stopping exercise.
  • the salt-type lipoxyl group provides various effects such as deodorization, antibacterial antibacterial, pH buffering, and antistatic, and is a product with ideal performance as a warm-up suit.
  • the bacteria do not propagate even if they are shaded, so that they are suitable as swimwear.
  • the knitted fabric of the present invention has a surface temperature rise of 3 ° C. or more during moisture absorption.
  • the heat generated during this moisture absorption is obtained by drying the knitted fabric at 70: for 2 hours, adjusting the temperature for at least 8 hours in a desiccator containing silica gel, and then adjusting the temperature to 32 ° C and 70% RH. Then, measure the surface temperature of the knitted fabric continuously for 5 minutes with a thermodograph, measure the maximum temperature, and use the difference from 32 ° C as the temperature rise.
  • the temperature is lower than 3 ° C, the bodily sensation effect is poor, and the higher the temperature, the better, but it may be up to about 10 ° C.
  • the elongation characteristics of knitted fabric are an important requirement.In order to increase the heat retention, adhere to the body as much as possible, and do not hinder mobility, the knitted fabric must have a constant load elongation of 50% or more. It is necessary, and preferably has a constant load elongation of 60 to 100%. In addition, in order to maintain good adhesion to the body and to have excellent recoverability without impairing the appearance, it is desirable that the constant load elongation recovery rate be 50% or more. More preferably, it is 60 to 95%.
  • the elastic yarn and the non-elastic fiber are mixed, a method of knitting after forming a composite yarn or a method of cross-knitting the elastic yarn and the non-elastic yarn can be adopted.
  • the elastic thread does not directly come out on the surface on the ground surface. This is because the surface of the moisture-absorbing fiber becomes sticky due to moisture absorption, so that the inelastic fiber which does not substantially absorb a large amount of moisture does not make the skin feel sticky.
  • a method of forming a composite yarn there is a method of forming a composite spun yarn or a covering yarn.
  • the method of forming a composite spun yarn there is a method of supplying an elastic yarn at an appropriate draft ratio to a roving draft region in a spinning step of an inelastic fiber to form a sea core composite yarn.
  • the method of forming the covering yarn there is a method of supplying an elastic yarn at an appropriate draft ratio, and winding an inelastic yarn thereon.
  • wool, cotton, hemp, polyester staple, and nylon staple can be used as the inelastic fiber.
  • silk, polyester filament yarn, nylon filament yarn, cotton and wool spun yarn can be used. Polyester filament yarn and nylon filament yarn can also be used as composite false twisted yarn.
  • These composite yarns can be used as a circular knitted fabric alone or cross-knitted with other fiber yarns, and the circular knitted fabric has the advantage of having a relatively large elongation.
  • the organization is not particularly limited as long as the elongation meets the requirements.
  • the elastic yarn is wrapped with the inelastic filament yarn and knitted. Since it becomes ground, the elastic yarn can be used in bare.
  • a spun yarn can be used as the inelastic yarn, but a filament yarn is preferable in order to suppress a decrease in operability with fluff or wool.
  • the knitted fabric of the present invention can be suitably used for innerwear.
  • the feature of the knitted fabric that can be suitably used for the inner air is that it has a moisture absorbing ability, and has a heat generating and heating effect when absorbing moisture.
  • the same can be said for the invention relating to the stocking described later.
  • changes in temperature and humidity when the knitted fabric of the present invention is worn will be described.
  • the temperature and humidity in the present invention refer to the temperature and humidity of the air contained in the stitches of the underwear knitted fabric, and this change affects comfort. If the body temperature rises due to exercise or other stimuli while wearing, sweat is released from the skin surface to cool the body temperature, and both the temperature and humidity of the gas phase containing the knitted fabric rise, resulting in discomfort.
  • the gas phase humidity can be kept low and the degree of discomfort can be kept low.
  • the absorbed moisture is released from the fiber surface to the external environment. If heat is generated by heating when absorbing moisture, the amount of water in the gas phase is the same and only the temperature rises, so that the relative humidity decreases and sweating from the skin is promoted, resulting in a low body temperature . This phenomenon lasts several minutes until the underwear reaches the moisture absorption equilibrium state. Eventually, the amount of absorbed moisture and the amount of released moisture reach equilibrium, and the heating effect stops. At this time, the temperature of the underwear decreases and reaches the equilibrium temperature. When exercise is stopped and sweating is stopped, only moisture is released and eventually returns to the initial state.
  • the elastic yarn used in the knitted fabric of the present invention has a lower moisture absorption / desorption rate and a higher level of moisture absorption than cotton fibers and wool fibers, and as a result, heat generation and heat radiation are mild and long-lasting. Yes, in particular, the rate of decrease in fiber temperature after stopping perspiration is slow, and it has the effect of suppressing the feeling of cold after stopping exercise.
  • the inventors examined the heating effect by changing the concentration of the hygroscopic fine particles in the elastic yarn so that the heating effect at the time of moisture absorption can be sensed by a wear test, and as a result, the heating rate was 5 ° C / min or more. It was confirmed that a heating capability was required. It is preferably at least 7 ° C / min. Depending on the external environment, it is desirable that the lower the external temperature is, the higher the temperature raising ability is.
  • the knitted fabric that can be suitably used for the innerwear in the present invention is made of an elastic yarn represented by the above-mentioned polyurethane-based elastic fiber and an inelastic fiber such as a polyester-based fiber, a polyamide-based fiber, and a cellulose-based fiber.
  • a filament yarn of a polyester fiber or a polyamide fiber is preferable in order to use a thin raw yarn and to obtain a knitted fabric having a thin and aesthetic appearance.
  • the knitting structure is not particularly limited, such as a flat knit, a double-sided knit, a rib knit, a pearl knit, or a change knitted fabric thereof for a circular knit, and a tricot knit or a Russell knitted fabric for a warp knit.
  • Examples of knitting structure include half netting, reverse half knitting, double denvi knitting, double 7 truss knitting for tricot knitted fabric, part net, half power net, satin net, triconet etc. for Russell knitted fabric. Can be done.
  • the elastic yarn and the non-elastic fiber may be used as a composite yarn such as a covering yarn, a ply-twisted yarn, or a composite spun yarn, and a bare (naked) yarn of the non-elastic fiber and the polyurethane elastic yarn may be mixed and knitted. is there. If necessary, cross knitting of the composite yarn and the inelastic yarn is also possible. Cross knitting with bare yarn is more preferred because it reduces processing costs. In addition, it is preferable that the surface layer of the knitted fabric is covered with inelastic fibers in order to reduce the rubber-like touch of the knitted fabric and the stickiness when absorbing moisture.
  • the content of the elastic fiber is preferably set to 10% by mass or more from the viewpoint of sufficiently exhibiting heat generation by moisture absorption, moisture release, antibacterial property, deodorizing performance, and stretching performance of the knitted fabric. More preferably, it is 20 to 50% by mass. If the content exceeds 50% by mass, not only is it economically inconvenient, but it may cause a reduction in texture such as softness and swelling.
  • the temperature difference between the moisture absorption and heat generation characteristics of the knitted fabric of the present invention at the initial stage and after washing 10 times is less than 1 ° C. This means that it retains the moisture-absorbing heat generation characteristics that it can feel after washing.
  • the knitted fabric of the present invention can be suitably used for an innerwear. Since the highly elastic hygroscopic organic particles are contained in the above-mentioned elastic resin, the following effects can be obtained:
  • the present invention includes the invention of innerwear.
  • the feature of the stocking of the present invention is that it has a moisture absorbing ability, and has a heating and heating effect when absorbing moisture.
  • the change in temperature and humidity when wearing the stocking of the present invention is almost the same as that of a knitted fabric that can be suitably used for innerwear.
  • the inventors examined the warming effect that can be experienced by wearing stockings when moisture is absorbed by changing the concentration of the highly hygroscopic fine particles in the elastic yarn. It has been found that it is preferable. More preferably, it is 9 ° CZ or more. It depends on the external environment, and it is desirable that the lower the external temperature, the higher the heating capacity.
  • the stocking of the present invention is composed of a composite yarn of an elastic yarn and a synthetic fiber yarn from the viewpoint of thinness, strength, extensibility and elongation recovery property, or the intersection of the composite yarn and the false twisted yarn of the synthetic fiber yarn. It is preferably a knitted fabric.
  • the elastic yarn is preferably an elastic filament
  • the synthetic fiber yarn is preferably a synthetic filament.
  • the front and back surfaces of the stocking are substantially covered with synthetic filaments. This is to prevent the elastic yarn from coming into direct contact with the skin and to improve the slippage with the skin surface to satisfy the desirable characteristics as a stocking. If both of the composite yarns are made of filament, it is preferable to increase the transparency and to increase the strength to increase the wearing durability.
  • the synthetic filament is preferably polyester or nylon. From the viewpoint of hygroscopicity and durability, the synthetic filament is more preferably a nylon filament.
  • the total fineness of this composite yarn is practically preferably 30 to 80 dtex for panties and 10 to 50 dtex for redder.
  • the difference in moisture absorption and heat generation characteristics between the initial stage and after 10 washes indicates the durability of washing, and a temperature of less than 1 ° C means that the moisture absorption and exothermic characteristics that can be experienced even after 10 washes are maintained.
  • the washing in the present invention means washing using a standard detergent of the Japan Council for Evaluation of Fibers and complying with the JIS-0 21 17 10 method.
  • the elastic yarn containing the organic fine particles having high moisture absorption / desorption has a content of not less than 20% by weight of the knitted fabric, and if the amount is less than this, the moisture absorption / desorption characteristic tends to be insufficient. Also, the feeling of tightening the stockings is insufficient, which is not preferable. More preferably, it is 25 to 40%.
  • Pante East King it is common practice to configure the panty and leg sections with separate threads. There is no problem when both are composed of the same yarn, but when only one of the elastic yarns containing the hygroscopic organic fine particles is used, the elastic yarn containing the hygroscopic organic fine particles in the knitted fabric of only that portion is used. Refers to the ratio.
  • the stocking of the present invention preferably has a characteristic that at least one deodorizing rate selected from ammonia, acetic acid and isovaleric acid is 70% or more. These components are considered as sweat odor components by the Textile Evaluation Technology Council of Japan. If it has the ability to deodorize these components, especially if it has deodorant performance for any of the above three components, it will have the ability to deodorize odor after sweating. It is easy to assume that the performance is 70% or more. Therefore, if it is less than 70%, its performance is insufficient and it cannot be said that it has deodorant performance.
  • the deodorizing performance is 85% or more, and more preferably 90% or more is a preferable layer.
  • the stocking of the present invention preferably has at least one deodorizing rate selected from ammonia, acetic acid and isovaleric acid of 70% or more both before and after washing.
  • deodorizing rate selected from ammonia, acetic acid and isovaleric acid of 70% or more both before and after washing.
  • stockings on the market have a so-called post-processed product in which a deodorant component is attached to the product. Most of these products have poor washing durability. Even after washing, its deodorant performance will deteriorate after washing. Since the elastic yarn preferably used in the stocking of the present invention is integrated with the fiber on its surface and inside, its performance hardly deteriorates even when it is washed.
  • a more preferable range of the deodorization rate after washing is 80% or more, and further preferably 85% or more.
  • the stocking of the present invention preferably has a friction band voltage of 250 V or less. If the friction band voltage exceeds 250 V, the skirt is easily worn when worn, especially in low humidity winter. Then, it becomes easy to feel discomfort.
  • the preferred range is 2000 V or less, and more preferably 1500 V or less.
  • the stocking of the present invention preferably has a half-life of 50 seconds or less.
  • the half-life of this charged voltage is a parameter to evaluate the easiness of the wrapping, and if this value is 50 seconds or less, even if it is rubbed with the outer such as the left and right stocking skirts, the static Even if it occurs, the rate of decrease of the charged voltage is fast, so that discomfort is less likely to be felt. If it exceeds 50 seconds, discomfort tends to be felt especially when worn in low humidity winter. It is preferably 30 seconds or less, and more preferably 15 seconds or less.
  • the long fiber woven fabric of the present invention includes a composite yarn of an inelastic fiber and the above-described elastic fiber. It is preferable that the woven fabric has a constant load elongation of 15% or more, a constant load elongation recovery of 35% or more, and a temperature rise of the woven fabric surface of 1 ° C or more when absorbing moisture.
  • the constant load elongation rate, the constant load elongation recovery rate, and the temperature of the woven fabric surface rise at the time of moisture absorption are values measured by the methods described below.
  • the stretch properties of long-fiber fabrics are important properties required for apparel, especially sports apparel.
  • the woven fabric of the present invention has a constant load elongation of 15% or more, preferably 20% or more, in order to obtain clothing that is easy to move.
  • the upper limit of the constant load elongation is preferably about 40% in order not to deteriorate shape retention and elongation recovery.
  • the long-fiber woven fabric of the present invention has a constant load elongation recovery rate of 35% or more, preferably 60% or more, so as not to impair the appearance.
  • the upper limit of the constant load elongation recovery rate is not particularly limited, but is about 95%.
  • the long-fiber woven fabric of the present invention has a woven fabric surface temperature increase of 1 ° C or more when moisture is absorbed, and preferably 2 ° C or more.
  • warmth can be felt when worn.
  • a woven fabric containing the composite yarn of the inelastic fiber and the elastic fiber having a constant load elongation of 15% or more, a constant load elongation recovery of 35% or more, and a temperature rise of the woven fabric surface of 1 ° C or more when absorbing moisture.
  • a woven fabric in the above numerical range is obtained.
  • the constant load elongation rate and constant load elongation recovery rate can be raised or lowered by adjusting the draft rate, woven structure and woven density, and the content of the conjugate yarn in the woven fabric when preparing the conjugate yarn. it can.
  • the temperature of the surface of the woven fabric during moisture absorption can be raised or lowered by adjusting the content of the fine particles in the elastic yarn and the content of the composite yarn in the woven fabric.
  • the fineness of the constituent yarn varies depending on the type and use of the constituent material, but the fineness of the elastic yarn is usually preferably about 20 to 100 dtex, particularly preferably about 30 to 50 dtex. Within the above range, the stretchability and recovery properties of the obtained woven fabric will be good.
  • the inelastic fiber refers to a fiber having a breaking elongation of 100% or less as specified in HS L1013 (2000) (constant speed elongation test).
  • the type of the inelastic fiber is not particularly limited, and a known fiber can be used.
  • inelastic fibers examples include synthetic fibers such as polyamide (nylon, etc.), polyester, vinylon, acrylic, polyethylene, and polypropylene; regenerated fibers such as rayon and cuvula; and acetate and promix. Natural fibers such as silk.
  • a filament made of polyester or polyamide is preferred because it can satisfy the strength required for sports clothing.
  • Inelastic fibers can be used alone or as a mixture of two or more.
  • the fineness of the yarn made of inelastic fiber is usually about 10 to 100 dtex, preferably about 20 to 50 dtex.
  • the inelastic fiber is preferably a fiber subjected to a bulk processing, and more preferably a false twisted bulk processed yarn, from the viewpoint of obtaining bulkiness, swelling feeling and warmth.
  • any form known as a composite form of an elastic fiber can be adopted without limitation.
  • an elastic fiber is supplied at an appropriate draft ratio, and a force-balling yarn in which an inelastic fiber is wound or entangled thereon, and the elastic fiber is supplied at an appropriate draft ratio.
  • pliers obtained by twisting in a state where they are aligned.
  • force balling yarns are preferred.
  • the winding force produced by using a hollow spindle type force barring machine is capable of improving the covering property of the inelastic fiber to avoid cutting due to the exposure of the elastic fiber and reducing the friction between the fabrics. Baling yarn (single covering yarn) is more preferred.
  • the number of twists of the composite yarn may be, for example, about 500 to 1200 ⁇ , preferably about 600 to 1200 T / m.
  • the number of twists is in the above range, the elongation recovery characteristics of the composite yarn can be satisfied, and the problem of “blindness” due to surface exposure of the elastic fiber can be reduced.
  • the ratio of the elastic fiber to the inelastic fiber used is preferably about 1: 2 to 1: 8, more preferably about 1: 3 to 1: 5 by weight.
  • the long-fiber woven fabric of the present invention preferably contains the composite yarn in an amount of 5% by weight or more. More preferably, it is contained in an amount of at least 20% by weight, more preferably at least 25% by weight.
  • the woven fabric may be 100% of the composite yarn used as the yarn, but is preferably about 30% by weight in order to maintain comfort when worn. When the ratio of the composite yarn is in the above range, the effect of absorbing moisture and generating heat is easily felt when worn.
  • the material is not particularly limited, and any of synthetic fibers, semi-synthetic fibers, regenerated fibers, and natural fibers can be used.
  • the yarn form may be either a filament yarn or a spun yarn.
  • the fiber other than the conjugate yarn may be an inelastic fiber or an elastic fiber, but it is preferable to use a long fiber of an inelastic fiber from the viewpoint of a feeling and a touch. Fibers other than the composite yarn can be used alone or in combination of two or more.
  • polyester-based and / or polyamide-based filament yarns are preferable.
  • a flat yarn may be used. In this case, the fabric is slightly inferior in stretchability.
  • a cloth having a relatively large thickness and a high elongation is required, it is preferable to use a bulky yarn as a yarn other than the composite yarn.
  • a false twisted yarn particularly a single-stage processed yarn of a polyester filament yarn or a polyamide filament yarn.
  • Latent yarns with different lengths include so-called different shrinkage blended yarns in which two or more filaments with different heat shrinkage are blended, and filament yarns that contract by heat treatment and filament yarns that elongate. A so-called spontaneously elongated mixed fiber can be used.
  • polyester or nylon flat yarn as the basic yarn other than the composite yarn. Good.
  • the elastic composite yarn can be used in both warp and weft to form an alternating arrangement, or one of the warp or weft can be composed of an elastic composite yarn and the other can be composed of an inelastic yarn.
  • a 2-way stretch fabric is obtained, and in the latter case, a 1-stretch fabric is obtained.
  • the long-fiber woven fabric of the present invention has both the property of absorbing moisture and generating heat and the property of elasticity, it is suitably used as sportswear, underwear, general clothing, lining of winter clothing, or a winter lining (a backing cloth that can be attached and detached). it can.
  • the type of clothing using the long-fiber woven fabric of the present invention is not particularly limited.Since it has a property of absorbing moisture and generating heat and elasticity, it can be used for sportswear, underwear, a liner for cold weather protection, lining for winter clothing, general clothing, and the like. It is suitable. If it is sportswear, it will be the best clothing especially for warm-up of outdoor sports.
  • examples of the sportswear include tennis wear, golf wear, ski wear, jogging wear, and other outerwear or pants;
  • a woven fabric obtained by combining a nonwoven composite yarn and an inelastic polyester false twisted yarn is preferably used.
  • Examples of general clothing include inner garments such as shirts or blouses, outerwear such as pants, skirts, and town jackets. These include woven fabrics (for middle garments, etc.) that are combined with fine yarn made of silk or special filaments that have a sweat-absorbing property, and woven fabrics (for upper garments, etc.) that combine elastic composite yarns with inelastic polyester flat yarns ), And a woven fabric (for example, top wear) in which an elastic composite yarn and a different shrinkage mixed fiber yarn are combined are preferably used.
  • Woven fabrics combining elastic composite yarns and hetero-shrinkage mixed yarns are used not only for general clothing such as town jackets but also for sports jackets such as tennis jackets and golf jackets. Can be used for
  • Underwear includes shirts, shorts, and the like.
  • a woven fabric or the like in which silk or a fine filament made of a special filament having a sweat-absorbing property is combined is preferably used.
  • Long fiber woven fabrics combining elastic composite yarns and inelastic polyester flat yarns are suitable for the lining of winter clothing, such as coats and jackets for skis, and for the liner of winter clothing. Can be.
  • the woven fabric mainly containing a large amount of short fibers (hereinafter referred to as short fiber woven fabric) of the present invention will be described.
  • the elastic fibers are preferably long fibers.
  • the staple fiber woven fabric of the present invention is a woven fabric containing a composite yarn of an inelastic fiber and an elastic fiber as described above, and has a constant load elongation of 15% or more, a constant load elongation recovery of 35% or more,
  • the fabric preferably has a fabric surface rising temperature of 0.5 or more, and has 10 fluffs having a length of 1 mm or more on the fabric surface at a density of 10 Zcm 2 or more.
  • the constant load elongation rate, the constant load elongation recovery rate, the temperature of the woven fabric surface rise during moisture absorption, and the fluff density on the fabric surface are values measured by the methods described below.
  • the elongation properties of short fiber fabrics are important properties required for clothing, especially sports clothing.
  • the short-fiber woven fabric of the present invention has a constant load elongation in order to obtain easily movable clothing.
  • the upper limit of the constant load elongation is preferably about 40% so as not to deteriorate shape retention and elongation recovery.
  • the short fiber woven fabric of the present invention has a constant load elongation recovery rate of 35% or more, preferably 60% or more, so as not to impair the appearance.
  • the upper limit of the constant load elongation recovery rate is not particularly limited, but is about 95%.
  • the short fiber fabric of the present invention has a fabric surface rising temperature of 0.5 ° C. or more, preferably 2 ° C. or more when moisture is absorbed.
  • the short fiber woven fabric of the present invention has fluffs having a length of lmm or more on the surface of the fabric at a density of 10 yarns / cm 2 or more.
  • the fuzz density is preferably 20 fibers / cm 2 or more.
  • the upper limit of the fluff density is not particularly limited, but is usually about 30 fibers / cm 2 . When the fluff density is in the above range, a scumming and natural feeling can be obtained when woven.
  • the constant load elongation rate is 15% or more, the constant load elongation recovery rate is 35% or more, the temperature at which the fabric surface rises when absorbing moisture is 0.5 ° C or more, and the fluff has a length of lmm or more on the fabric surface 10 / cm.
  • the short fiber woven fabric having a density of 2 or more can be exemplified to be obtained by the following method. That is, a woven fabric in which a composite yarn composed of an elastic fiber containing 0.2 to 50% by weight of inelastic fiber and highly moisture-absorbing and desorbing fine particles and a yarn containing a short fiber are mixed and woven is preferable.
  • a woven fabric having a composite yarn content of 5% by weight or more the draft rate, woven structure and woven density during the production of the composite yarn are optimized, and the twist coefficient of the composite yarn and the fiber length of the short fiber are adjusted appropriately.
  • a woven fabric having the above numerical range can be obtained.
  • the constant load elongation rate and the constant load elongation recovery rate can be raised or lowered by adjusting the draft rate, woven structure and woven density, and the content of the conjugate yarn when preparing the conjugate yarn. Further, the temperature of the fabric surface rise during moisture absorption can be raised or lowered by adjusting the content of the fine particles and the content of the composite yarn. The fluff density on the surface of the fabric can be raised or lowered by optimizing the twist coefficient of the composite yarn or the length of the short fibers.
  • the fineness of the yarn constituting the short fiber fabric of the present invention varies depending on the type and use of the constituent material, but the fineness of the elastic yarn is usually preferably about 20 to 100 dtex, particularly preferably about 30 to 50 dtex. Within the above range, the stretchability and recovery properties of the obtained woven fabric will be good.
  • the inelastic fiber means a fiber having a breaking elongation of 100% or less specified by HS (U013 (2000) (constant speed elongation type test).
  • Known inelastic fibers such as synthetic fibers such as polyester-based, nylon-based, acryl-based, vinylon-based, polyethylene-based, and polypropylene-based fibers, rayon, and Cubra can be used.
  • Short fibers made of semi-synthetic fibers such as regenerated fibers, acetates, and promixes; natural fibers such as cotton and hemp;
  • wool wool, cashmere wool, camel wool, mohair, alpaca wool, angora wool, etc.
  • wool can also be used when used for clothing with a small number of washings such as office uniforms.
  • the diameter of the inelastic fiber is usually about 12 to 22 ⁇ m, especially about 14 to 17 xm. Is preferred.
  • the composite yarn may be in a form known as a composite form of elastic fibers.
  • a composite spun yarn and an elastic yarn obtained by supplying an elastic fiber to a spinning region of an inelastic fiber at an appropriate draft ratio and twisting and winding the same are supplied at an appropriate draft ratio and separately supplied.
  • Examples include a twisted yarn obtained by twisting with a manufactured inelastic spun yarn.
  • Composite spun yarns are preferred because they can improve the covering properties of the inelastic fibers to avoid cutting due to the exposure of the elastic fibers and can reduce the friction between the fabrics.
  • the twist coefficient of the composite yarn (when TW is the number of twists [twist / 2.54 cm] and N is the English cotton count, expressed as TW / ⁇ ) is, for composite spun yarn, for example, about 3 to 5, Preferably, it should be about 3.8 to 4.5.
  • TW / ⁇ is, for composite spun yarn, for example, about 3 to 5, Preferably, it should be about 3.8 to 4.5.
  • the ratio of the elastic fiber and the non-elastic fiber used is, by weight, the ratio of the elastic fiber to the non-elastic fiber is usually about 1: 2 to 1: 8, preferably about 1: 3 to 1: 5. Sile.
  • the staple fiber woven fabric of the present invention contains the above-mentioned composite yarn in an amount of 5% by weight or more in order to obtain a practically sufficient heat-absorbing heat-generating effect. In particular, it is preferably contained in an amount of at least 20% by weight, more preferably at least 25% by weight.
  • the upper limit of the composite yarn content ratio may be determined according to the characteristics required for each application (eg, stretch power).
  • the yarn other than the composite yarn is preferably a yarn containing short fibers, and more preferably a yarn made of short fibers.
  • the type of short fiber is not particularly limited, and any of synthetic fiber, semi-synthetic fiber, regenerated fiber, and natural fiber can be used.
  • the yarn composed of short fibers may be composed of one type of fiber, or may be a blended yarn composed of two or more types of fibers.
  • an inelastic yarn is suitably used as a yarn composed of short fibers other than the composite yarn.
  • cotton spun yarn and blended yarn containing cotton fiber are preferred.
  • broad cloth using cotton spun yarn of 40 to 50 English cotton count for weaving is used for moisture absorption and release and moisture absorption. Taking advantage of the heat generation effect, it is suitable for middle clothing such as shirts and blouses.
  • broad or till cloth using cotton spun yarn of 20 to 40 English cotton count for weaving is used for white coats and surgical gowns, making use of antibacterial, bacteriostatic, deodorant effects, moisture absorption / release properties and moisture absorption / heating effect. It is useful as such medical clothing.
  • regular oblique woven fabrics using cotton spun yarn of 10 to 30 English cotton counts for cross weaving can be suitably used as work clothes and denim clothing, taking advantage of the moisture absorption / release properties and moisture absorption / heating effect. it can.
  • the workability due to the stretchiness and the comfort when worn are features.
  • wool such as wool
  • general inner garments such as shirts and blouses, and office uniforms that require less washing.
  • hair By using hair, a fabric having a soft and warm touch due to calm luster and fluff can be obtained, and a garment that can be easily worn directly on the skin can be obtained.
  • a stretch fabric having aesthetic and anti-wrinkle properties can be obtained in addition to moisture absorption / release properties and moisture absorption / heating effects, and is suitable for office uniform use.
  • spun yarns can be used in both warp and weft to form an alternate arrangement, or one of the warp or the weft can be made of an elastic composite yarn and the other can be made of a spun yarn.
  • a 2-way stretch fabric is obtained, and in the latter case, a 1-way stretch fabric is obtained.
  • the woven fabric of the present invention has properties of absorbing moisture and generating heat, elasticity, and characteristics due to the presence of fluff on the surface (warmth, tactile sensation, natural appearance), so that work clothes, office uniforms, sanitary garments, work clothes It can be suitably used as a garment, general garment, and the like.
  • the garment of the present invention is a garment using the short fiber fabric of the present invention described above.
  • the type of clothing is not particularly limited, but working clothes; office uniforms; sanitary clothing such as white coats, surgical gowns, and experimental clothes; work clothes wind clothing such as denim pants, jumpers, and overalls; A general inner garment such as a blouse is suitable.
  • BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described specifically with reference to examples. In the examples, “parts” simply means “parts by mass”.
  • the measurement method and evaluation method are as follows.
  • a bare knitting sample of 10 g of elastic fiber was prepared. Attach the tubular knitted sample to the temperature sensor (for example, wrap it so that it becomes tightly attached to a 540 K MD_5 type with a rod-shaped detection end manufactured by Anritsu Keiki Co., Ltd. The end was turned back and fastened with cellophane tape or rubber band), dried at 70 ° C for 2 hours, placed in a desiccator containing silica gel (approximately 5% RH in the desiccator), and left at 32 ° C for 24 hours.
  • the temperature sensor equipped with the sample was quickly connected to a temperature recorder (for example, DATA COLLE CTOR AM-7052, manufactured by Anritsu Keiki Co., Ltd.), and the temperature was adjusted to 32 ° C ⁇ 70% RH (for example, sulfuric acid lime).
  • a temperature recorder for example, DATA COLLE CTOR AM-7052, manufactured by Anritsu Keiki Co., Ltd.
  • the temperature change due to the heat generated by moisture absorption in a desaturated saturated aqueous solution was measured.
  • the difference between the obtained maximum temperature data (° C) and the initial temperature (32 ° C) was calculated, and the maximum temperature rise (in) was obtained.
  • the weight WI (g) in an absolutely dry state is measured.
  • the weight W 2 (g) after standing for 24 hours in an atmosphere of 20 ° C and 65% RH is measured, and the moisture absorption at 20 65% RH is determined by the following equation (3).
  • the weight W 3 (g) after being left for 24 hours in an atmosphere of 20 ° C. and 95% RH is measured, and the moisture absorption at 20 ⁇ 95% RH is determined by the following equation (4).
  • Moisture percentage (%) ⁇ (W 4 -W 5 ) / W 5 ⁇ X 100 (6)
  • the average particle size of the fine particles was determined in accordance with the specifications attached to the photometer.
  • Approximately 1 g of sufficiently dried test particles is precisely weighed (X (g)), and 200 g of water is added thereto. After addition of 1N, the mixture was adjusted to pH 2 by adding a 1N aqueous hydrochloric acid solution while heating to 50 ° C., and then a titration curve was obtained by a conventional method using a 0.1N aqueous sodium hydroxide solution. From this titration curve, the consumption amount of the aqueous sodium hydroxide solution (Y (cc)) consumed by the lipoxyl group was determined, and the lipoxyl group concentration was calculated by the following equation (9).
  • Measurement of Dynamic Characteristics The size of the measurement sample was 20 cm in width and 5 cm in length, and was collected in the longitudinal and weft directions of the fabric, respectively. Measurement sample
  • Heating rate ⁇ (maximum temperature reached) one (32 ° C) ⁇ No. arrival time (minutes)
  • test bacterium was tested as Staphylococcus aureus according to the SEK Unified Test Method established by the Council for Evaluation of Fibers and expressed as a bacteriostatic activity value. When this value is 1.6 or more, it can be determined that there is antibacterial performance.
  • a 3-liter tedlar bag was filled with 3 liters of odor of a predetermined concentration and a considerable amount of knitted fabric containing 1 g of elastic yarn, and the odor component reduction rate (%) after 30 minutes at room temperature was measured with a gastex detector tube. The above was passed.
  • the odor concentration for each odor source was set as follows.
  • Ammonia 100 ppm, acetic acid; 100 ppm, isovaleric acid; 60 ppm The measurement was repeated three times, and the average value was used.
  • Elastic yarn content (mass%) (Elastic yarn feeding speed X fineness) ⁇ ⁇ (Elastic yarn feeding speed X fineness) + (Inelastic yarn feeding speed X fineness) ⁇ X 100
  • the measurement was performed in accordance with the equipment evaluation method of the Fiber Evaluation Technology Council. Ammonia and acetic acid were measured according to the detector tube method, and isovaleric acid was measured according to the gas chromatography method.
  • each sample in the length direction 4.00Kai1 (at a constant rate of gamma 3 Zeta seconds, tensile up to a maximum load of 500 gf / cm per unit width, the elongation at that time) was a constant load elongation is).
  • B the load applied to the sample becomes zero
  • A the elongation at constant load
  • Constant load elongation recovery rate ⁇ (AB) / A ⁇ x 100 (15)
  • constant load elongation rate ⁇ (AB) / A ⁇ x 100
  • the fabric After drying the woven fabric in a tumbler dryer at 70 for 2 hours, the fabric was placed overnight in a desiccant containing silica gel, and the temperature was adjusted for at least 8 hours in an environment of a temperature of 32 ° C and a relative humidity of 70% RH. After that, the woven fabric is taken out of the desiccator into the environment at a temperature of 32 ° C and a relative humidity of 70% RH every 5 seconds at 20-second intervals for 5 minutes. The temperature of the woven fabric surface was measured by taking an image with the above. The difference between the maximum temperature and 32 ° C was taken as the temperature of the fabric surface rise during moisture absorption.
  • a 5 liter tedlar bag is filled with a predetermined concentration of odor in 3 liters and a considerable amount of woven fabric containing 1 g of elastic yarn, and the odor component reduction rate after 30 minutes at room temperature is measured with a gas tex detector tube. The above was passed.
  • the odor concentration for each odor source was set as follows. The measurement was repeated three times, and the average value was used.
  • a polyurethane polymer solution having a solution concentration of 32.2% by weight and a viscosity of 2500 boise (30 ° C) was obtained.
  • 4% of n-butylamine ZN, N-dimethylhydrazine end-blocking polymer, benzotriazole compound, and hindered-phenol compound are added and mixed.
  • an aqueous dispersion of the raw material fine particles consisting of acrylonitrile, methyl acrylate, p-styrenesulfonic acid soda and water was crosslinked with hydrazine and hydrolyzed with NaOH to give an average particle diameter of 0.5 m (light High moisture absorption / desorption organic fine particles (measured with a scattering photometer), swelling ratio 80%, moisture content at 45 ° C at 20 ° C x 65% RH was added to the above polyurethane polymer solution at 5% by weight and mixed with a mixer for 3 hours to remove the spinning stock solution as a spinning stock solution.
  • the mixture was extruded from the spinneret, extruded into the spinning cylinder through which heated air at 235 ° C was flown, applied with a 5% OWF, and wound up at a speed of 55 OmZ.
  • the obtained yarn was heat-treated at 40 ° C. for 72 hours to obtain a 22 dtex, 2-filament polyurethane elastic fiber to be subjected to post-processing.
  • the maximum heating value of the obtained polyurethane elastic fiber is 3 ° C
  • the moisture absorption at 20 ° C x 65% RH is 2.0%
  • the moisture absorption at 20 ° C x 95% RH is 4.4%
  • 30 62% and PSW were 63%.
  • the winding yarn a normal drawn yarn of nylon 6 8 dtex and a yarn of 5 fi 1 were used, and the core yarn draft at the time of force barring was 3.3, the number of lower twists was 2900 times / m, The number of ply twists was set to 2450 turns / m, respectively, to produce double strength balling yarn.
  • the above-mentioned covering yarn is supplied to a 4-port pantyhose knitting machine (4 inch diameter, 400 knitting needles) and a series of post-processing such as knitting, presetting, cutting, sewing, dyeing, and final setting is performed to perform pantyhose. Obtained.
  • Pantyhose was obtained in the same manner as in Example 1, except that the amount of the exothermic hygroscopic organic fine particles was changed to 0.1%.
  • the maximum heat value of the obtained polyurethane elastic fiber is 0.6 ° C, the moisture absorption rate at 2 O ⁇ X 65% RH is 1.5%, and the moisture absorption rate at 20 "X 95% RH is 1.8%.
  • the PSD and the PSV were 61% and 62%, respectively. As a result, 16 people answered that there was no difference from ordinary pantyhose and 4 people answered that they were slightly warm but insufficient.
  • Examples 2 and 3 and Comparative Example 2 mainly describe examples relating to a knitted fabric and comparative examples.
  • n-butylamine ZN N-dimethylhydrazine end-blocking polymer 4%
  • benzotriazole-based compound N-dimethylhydrazine end-blocking polymer 4%
  • hindered phenol-based compound hindered phenol-based compound
  • Sodium carbonate and sodium sulfonate are added as hydrophilic groups.
  • the spinning solution was removed from the spinning solution, it was discharged from a die having a hole diameter of 0.5 mm, extruded into a spinning cylinder in which heated air at 235 ° C was flown, applied with 5% omf of an oil agent, and wound up at a speed of 550 m / min.
  • the obtained yarn was heat-treated at 40 ° C. for 72 hours to obtain a polyurethane elastic fiber of 44 dtex and 4 filaments.
  • the knitted fabric was sewn to create leotards and spats, and when worn as underwear for a tennis player in a gymnasium in winter, the initial chilliness was not felt. He was evaluated to be fit for competition and had no stuffiness.
  • a knitted fabric having an inlaid structure was obtained with a 28 G circular knitting machine.
  • the knitted fabric obtained is scoured, dyed, and set in a conventional manner, and has a basis weight of 150 g / m 2 and a content of elastic yarn.
  • Table 1 shows the elongation characteristics and moisture absorption and heat generation characteristics of this knitted fabric. Tights were sewn from the finished knitted fabric. Athletes wearing these tights and evaluated the feeling of wearing during warming were evaluated as having a rapid rise in body temperature and no stuffiness.
  • Tights were prepared in the same manner as in Example 3, except that they did not contain the highly hygroscopic organic fine particles.
  • Table 1 shows the elongation characteristics and moisture absorption and heat generation characteristics of this knitted fabric.
  • Examples 4 to 9 and Comparative Example 3 mainly show examples and comparative examples relating to a knitted fabric and innerware suitable for innerwear.
  • a hydrazine end-blocking polymer (4%), a benzotriazole-based compound, and a hindered phenol-based compound were added and mixed.
  • the polyurethane polymer solution was added to the polymer solution with an average particle diameter of 0.5; Lim (measured with a light scattering photometer), and highly hygroscopic organic fine particles with a swelling degree of 80% (acrylonitrile, methyl acrylate and sodium P-styrenesulfonate).
  • the spinning stock solution After the spinning stock solution is de-processed, it is discharged from a die with a hole diameter of 0.5 mm, extruded into a spinning cylinder in which heated air at 235 ° C has flowed, and 5% omf of oil is applied at a speed of 55 OmZ min. Wound up.
  • the obtained yarn was heat-treated at 40 ° C. for 72 hours to obtain a polyurethane elastic fiber of 44 dtex and 4 filaments.
  • the polyester knitting elastic yarn obtained in Example 4 was combined with a 44 dtex yarn and a polyester 56 dtex-24 filament to combine with a filament knitting machine (XL-3 AZ38 inch diameter / 28 gauge) manufactured by Fukuhara Seiki Co., Ltd.
  • the knitted fabric is knitted. This fabric was subjected to ordinary dyeing and finishing to obtain a fabric having a density of 100 courses, Z2.54 cm, and a weft density of 54 5 ales, 2.54 cm.
  • the elastic yarn content of this knitted fabric was 28% by mass.
  • Underwear was produced using the fabric as a body fabric in the same manner as in Example 1. Table 2 shows the performance of this fabric. Wearing this undergarment at 10 ° C and 40% RH, walking and resting in a sitting position twice for 10 minutes were evaluated twice. The initial cool-free wearing feeling and the smooth touch were evaluated.
  • Half-woven two-way tricot fabric was knitted using a ricott knitting machine (HKS 2/1 80-inch width / 28 gauge). This fabric is subjected to normal dyeing and finishing to produce a course with a density of 100 courses Z2.54cm and a weft density of 58 ⁇ ales Z2.54cm. I got the land.
  • the elastic yarn content of this knitted fabric was 21% by mass. Shorts were prepared using the dough as a dough. Table 2 shows the performance of this knitted fabric. Wearing this show in an environment of 10 ° C and 40% RH, walking and resting posture were repeated twice for 10 minutes each time.As a result, the warmth and feeling of walking when walking without stuffiness were observed. At the beginning of the stoppage, a cool feeling without wearing and a tactile feeling with a sarat were evaluated.
  • a tricot knitting machine (HKS 2/180 inch width ⁇ 28) manufactured by Karl Mayer Co., Ltd. was used in combination with a polyurethane urethane elastic yarn 22 decitex yarn obtained by the same method as in Example 4 and Nylon 6 33 decitex 12 filament. Gauge) and knitted a half-structure two-way tricot fabric. This fabric was subjected to a dyeing finishing process to obtain a fabric having a density of 110 korsno 2.54 cm and a weft density of 57 ⁇ ales Z2.54 cm. The content of the elastic yarn in this knitted fabric was 17% by mass. Shorts were produced using the dough as a living place in the same manner as in Example 6.
  • Table 2 shows the performance of this knitted fabric. Wearing these shorts in an environment of 10 ° C and 40% RH, the walking and the resting position were evaluated twice by repeating 10 minutes each. The feeling of wearing without feeling and the tactile feeling of sarat were evaluated.
  • a polyurethane urethane elastic yarn obtained by the same method as in Example 4 was used.
  • a Russell knitting machine (RSE-4N / 130 inch width ⁇ 28 Using a gauge) knit the fabric of a 6-course power net organization. This fabric was subjected to ordinary dyeing and finishing to obtain a fabric with a density of 53 courses / 2.54 cm and a lateral density of 33 ⁇ ales Z2.54 cm. The elastic yarn content of this knitted fabric was 25% by mass.
  • a brassiere was produced using the dough for the wing. Table 2 shows the performance of this knitted fabric. Wearing this bra in a 10: 40% RH environment, walking and resting in a sitting position were repeated twice for 10 minutes each time. The cool and comfortable feeling of wearing and the smooth touch were evaluated.
  • a knitted fabric was obtained in the same manner as in Example 4 using a polyurethane elastic yarn 44 decitex obtained in the same manner as in Example 4, except that the highly hygroscopic organic fine particles were not added. Underwear was produced using the body fabric. The elastic yarn content of this knitted fabric was 25% by mass. Table 2 shows the performance of this knitted fabric. Wearing this undergarment at 10 ° C and 40% RH, walking and resting in a sitting position were repeated twice for 10 minutes each time. Was rated as a foot.
  • an aqueous dispersion of the raw material fine particles consisting of acrylonitrile, methyl acrylate, p-styrenesulfonic acid soda and water was crosslinked with hydrazine and hydrolyzed with NaOH to obtain an average particle diameter of 0.5 m (light scattering luminous intensity).
  • the moisture-absorbing and releasing organic fine particles having a swelling degree of 80% were added to and mixed with 13% by weight of the polyurethane polymer solution to prepare a spinning stock solution.
  • the spinning solution was removed from the spinning solution, it was discharged from a die having a hole diameter of 0.5 mm, extruded into a spinning cylinder through which 235 heated air was flown, wound up at a speed of 550 mZ by applying a 5% OWF to the oil agent.
  • the obtained yarn was subjected to heat treatment at 40 ° C. for 72 hours to obtain a 22 dtex, 2f1 polyurethane elastic yarn to be subjected to post-processing.
  • the maximum heating value of the obtained polyurethane elastic yarn was 3 ° C, the moisture absorption at 20 ° C x 65% RH was 4.8%, and the moisture absorption at 20t: x 95% RH was 6.4%. .
  • a normal drawn yarn of nylon 6 of 8 dtex and a yarn of 5 fi 1 are used as the winding yarn, the core yarn draft at the time of covering is 3.3, the number of lower twists is 2900 times Zm, and the upper twist is performed. The number was set to 2450 times / m, respectively, to produce a double covering yarn.
  • the above-mentioned force-barring yarn is supplied to a 4-port pantyhose knitting machine (4 inches in diameter, 400 needles for knitting needles) to perform a series of post-processing such as knitting, presetting, cutting, sewing, dyeing, and final setting. Got pantyhose.
  • Table 3 shows the results of evaluating the moisture absorption and heat generation characteristics, antibacterial performance, deodorizing performance, frictional charging voltage, and half-life of the charging voltage of this stocking. Using this pantyhose, a walking test was repeated twice for 10 minutes each in a 20 ° C 65% RH environment for 10 minutes.As a result, all 10 panelists obtained in Comparative Example 4. It was evaluated as more comfortable than pantyhose.
  • a pantyhose was obtained by the same method as in Example 10 except that the covering yarn obtained in Example 10 and the nylon 6 false twisted yarn of 22 dte X 6 fi 1 were arranged for each course. .
  • Table 3 shows the results of evaluating the moisture absorption / heating characteristics, antibacterial performance, deodorizing performance, friction band voltage, and half-life of the charged voltage of this stocking.
  • 10 panelists obtained the bread obtained in Comparative Example 4. Compared to tea stocking, up to 9 people rated it as comfortable.
  • Example 10 A pantyhose was obtained in exactly the same manner as in Example 10, except that the spinning solution was used without adding moisture-absorbing and releasing organic fine particles. Table 3 shows the results of evaluating the moisture absorption / heating characteristics, antibacterial performance, deodorizing performance, frictional charging voltage, and half-life of the charging voltage of this stocking. Using this pantyhose, a wear test in which walking and resting posture were repeated twice for 10 minutes each in an environment of 20 ° C and 65% RH. As a result, 10 panelists obtained in Example 10 All 10 people rated it as uncomfortable compared to pantyhose stocking.
  • a pantyhose was obtained in exactly the same manner as in Example 10, except that 3% by weight of the moisture-absorbing / desorbing organic fine particles were added to the polyurethane polymer solution and mixed to prepare a spinning solution.
  • Table 3 shows the results of evaluating the moisture absorption / heating characteristics, antibacterial performance, deodorizing performance, frictional voltage, and half-life of the charging pressure of this stocking.
  • High moisture absorption / desorption organic fine particles used in Example 10 for the pantyhose obtained in Comparative Example 4 water-soluble polyurethane (Elastron W-33; solid content 30%, manufactured by Dai-ichi Kogyo Seiyaku Co., Ltd.), and a catalyst (Kayacisist) 6 4; manufactured by Daiichi Kogyo Seiyaku Co., Ltd.) was fixed by a pad-dry method so that the organic particles having high moisture absorption / desorption were 5% by weight.
  • Table 3 shows the results of evaluating the moisture absorption / heating characteristics, antibacterial performance, deodorizing performance, frictional charging voltage, and half-life of the charging voltage of this stocking.
  • Examples 12 and 13 and Comparative Example 7 mainly describe examples and comparative examples relating to a woven fabric containing a large amount of long fibers.
  • Hydrazine was added to the aqueous dispersion of the raw material fine particles so that the concentration in the bath was 35% by weight, and crosslinking treatment was performed at 102 ° C for 2.5 hours.
  • the fine particles thus obtained had a salt-type carboxyl group concentration of 4.5 nmiol / g and an average particle size of 0.5 ⁇ m.
  • the degree of swelling was 80% and the particles were highly hygroscopic.
  • this spinning solution After defoaming this spinning solution, it is discharged from a die having a pore size of 0.5 mm and heated at 235 ° C. It was extruded into the spinning cylinder with air flowing, and the oil was applied at 5% OWF and wound up at a speed of 55 OmZ. The obtained yarn was heat-treated at 40 ° C. for 72 hours to obtain a 44 dtex, 4-filament polyurethane elastic fiber to be subjected to post-processing.
  • Spontaneously stretched mixed yarn 55 dtex 36 filaments are arranged on the warp at a density of 286 yarns / 2.54 cm, and the weft is composed of the composite elastic yarn obtained in step (c) and the polyester filament one-stage false twisted yarn. Were alternately arranged at a density of 100 Z2.54 cm to obtain a satin-textured fabric.
  • the fabric is relaxed for 90 seconds at 130 ° C with dry heat using a short-cut pre-cursor, and then desizing is performed using a liquid jet dyeing machine.Then, a tenter is used for 30 seconds at 195 ° C for 30 seconds. I set it.
  • This fabric was treated with a 30 gZl aqueous solution of sodium hydroxide at 95 ° C for 45 minutes to reduce the weight by 12%. Then, the cells were stained with a fluorescent white dye at 120 ° C. for 50 minutes.
  • the obtained woven fabric was rich in whiteness, had a soft touch, and was a high-grade woven fabric with excellent elasticity and recovery in the lateral direction. For these reasons, the fabric was suitable for blousons.
  • Fabrics were obtained by scouring, pre-setting, disperse dyeing and final setting by a conventional method.
  • the obtained fabric was a fabric having the appearance of air conditioning and expanding and contracting in the weft direction. (Comparative Example 7)
  • a woven fabric having a twill structure was obtained in the same manner as in Example 13 except that no fine particles were contained.
  • Table 4 below shows the measurement results of the constant load elongation ratio, the constant load elongation recovery ratio, and the temperature of the woven fabric surface rise during moisture absorption of the woven fabrics obtained in Examples 12, 13 and Comparative Example 7.
  • a warm-up jacket for tennis was prepared from the woven fabric obtained in Example 12 and worn in a gymnasium in winter, and the initial warm-up effect was remarkable. After that, there was no feeling of stuffiness and the warm-up was comfortable. Furthermore, no dew condensation due to moisture was observed on the back of the garment after undressing.
  • Slacks were prepared from the woven fabric obtained in Comparative Example 7. When I played golf with these slacks in early winter, I felt chilly at the start of the early morning, felt sweaty with sweating in the daytime, and felt cool after a while after the end of play.
  • the woven fabric of the present invention having a constant load elongation of 15% or more, a constant load elongation recovery of 35% or more, and a temperature rise of the woven fabric surface of 1 ° C or more when absorbing moisture, becomes warm when exercising in cold outdoors.
  • a constant load elongation of 15% or more a constant load elongation recovery of 35% or more
  • a temperature rise of the woven fabric surface of 1 ° C or more when absorbing moisture
  • Examples 14 and 15 and Comparative Example 8 mainly show examples and comparative examples of woven fabrics containing a large amount of short fibers.
  • the fine particles thus obtained had a salt-type lipoxyl group concentration of 4.5 ol / g and an average particle size of 0.5 / im.
  • the degree of swelling was 80%, and the particles were highly hygroscopic. ⁇
  • the spinning stock solution After defoaming the spinning stock solution, it was discharged from a die with a hole diameter of 0.5 mm, extruded into a spinning cylinder through which heated air at 235 ° C was flown, applied with a 5% OWF oil solution, and wound at a speed of 550 m / min. .
  • the obtained yarn was subjected to a heat treatment at 40 C for 72 hours to obtain a 44 dtex, 4-filament polyurethane elastic fiber to be subjected to post-processing.
  • a roving yarn made of cotton fiber with an average fiber length of 26 mm is drafted 48 times between the front roller and the back roller, and at the same time, the above-mentioned polyurethane elastic yarn 44 dtex and 4 filaments are drafted 3.5 times to the front.
  • the mixture was fed to a mouth-roller and wound around a spinning cup with a twist coefficient of 4.2 to obtain a core-sheath composite spun yarn of 40 cotton count.
  • the mixing ratio of the polyurethane elastic fiber was 8.6%.
  • a 40-count cotton yarn was arranged at a density of 90 / 2.54 cm on the warp, and the composite spun yarn obtained at (c) was arranged at a density of 70-2.54 cm on the weft to obtain a plain-woven fabric.
  • This cloth is subjected to scalding, desizing, scouring, bleaching, and silketing in the usual continuous finishing process, and is then stretched at 170 ° C by 3% in the width direction and 5% in the warp direction, and set. did. Finally, a sun-holiday process was applied. Bleaching was carried out at 95 ° C for 40 minutes using a 35% aqueous hydrogen peroxide solution (25 g / liter).
  • the obtained woven fabric was rich in whiteness, had a soft touch, and was a high-grade woven fabric with excellent elasticity and recovery in the lateral direction.
  • the 78 dte X polyurethane elastic yarn obtained in the same manner as in Example 14 was supplied to the front roller while drafting by a factor of 3.3, and was wound around a spinning cup with a twist coefficient of 4.2, and was counted at 30 cotton count.
  • the core-sheath composite spun yarn of the above was obtained.
  • the mixing ratio of the hydrophilic fiber was 12.0%.
  • Twenty cotton yarns were arranged at a density of 65 yarns / 2.54 cm on the warp yarns, and 60 composite spun yarns were arranged at a density of 2.54 cm on the weft yarns to obtain a twill fabric.
  • the fabric was subjected to desizing, scouring, bleaching, and mercerizing in the usual continuous finishing process, and set at 170 ° C by elongating 3% in the width direction and 5% in the warp direction. Finally, sanholization was applied. Bleaching was performed at 95 ° C for 40 minutes using a 35% aqueous hydrogen peroxide solution (25 g / liter). The resulting fabric is rich in whiteness and soft touch It was a luxurious woven fabric with excellent elasticity and recovery in the transverse direction.
  • a plain woven fabric was produced in the same manner as in Example 14 except that no fine particles were contained, and was subjected to finish treatment in the same manner as in Example 14.
  • the antibacterial activity of this woven fabric was evaluated by its bacteriostatic activity value by the SEK unified test method specified by the Japan Textile Sanitation Processing Association, and the antibacterial activity was 1.8. Further, as a result of confirming the deodorizing performance by the above method, the deodorizing rate of 3 liters of the malodorous gas per 1 g of the fabric sample was 68% for ammonia and 72% for acetic acid.
  • the invention relating to the knitted fabric not only has excellent hygroscopicity, but also has a heating effect at an early stage of moisture absorption, enhances a warming effect, and is rich in comfort without stickiness due to rapid cooling after stopping perspiration. It is a knitted fabric that is optimal for warm-up suits. In addition, it can provide a highly stretchable knitted fabric that has antibacterial properties, deodorant properties, pH buffering properties, and other sanitary functions and antistatic performance.
  • stockings that have excellent hygroscopicity, have a heating effect at the beginning of moisture absorption, have no sticky feeling due to rapid cooling after stopping perspiration, and have excellent washing durability with rich comfort.
  • stockings that also have hygienic functions such as antibacterial, deodorant and pH buffering functions and antistatic performance.
  • a garment which has a heating action and is easy to move and a stretchable woven fabric suitable for the garment are provided. It also has antibacterial, deodorant, PH buffering, and anti-static properties.
  • the woven fabric has a property of absorbing moisture and generating heat, and has a property of transmitting moisture. This fabric is characterized by a lower moisture absorption / desorption rate and a higher moisture absorption level as compared with cotton fabric and wool fabric, and as a result, it prevents sticky feeling and dew condensation in clothes, Dissipates heat continuously for a long time.
  • the woven fabric mainly containing a long fiber of the present invention can be suitably used as a material for sportswear, winter underwear and the like.
  • the woven fabric containing a large amount of short fibers of the present invention has these properties, it can be suitably used as a material for work clothes, office uniforms, sanitary garments, work clothes, general clothing, and the like.

Abstract

L'invention concerne une fibre élastique comprenant de fines particules organiques et/ou inorganiques présentant un haut pouvoir d'absorption et de rejet de l'humidité, caractérisée en ce qu'elle présente une augmentation de température maximale lors de l'absorption d'humidité et/ou d'eau supérieure ou égale à 2 °C. L'invention concerne par ailleurs un produit ou un vêtement tissé ou tricoté, tel qu'un sous-vêtement ou des bas, caractérisé en ce qu'il est réalisé au moins en partie avec cette fibre élastique. De par sa structure, cette fibre élastique peut être employée pour former un tissu extensible fin et léger présentant un haut pouvoir de rétention d'humidité et assurant confort et bien-être. Cette fibre élastique permet par ailleurs de réaliser le traitement de texturation souhaité, elle présente une excellente résistance à la chaleur et peut évacuer rapidement la vapeur produite par la transpiration cutanée pendant l'effort, ce qui permet d'obtenir des vêtements extensibles bien aérés.
PCT/JP2003/004890 2002-04-22 2003-04-16 Fibre elastique et utilisation de celle-ci WO2003089700A1 (fr)

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EP2093316A4 (fr) * 2006-12-15 2010-01-20 Invista Tech Sarl Fil élastique en polyuréthanne et procédé de production
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GB201517791D0 (en) * 2015-10-08 2015-11-25 Univ Leeds Composite fibre
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EP4051833A1 (fr) * 2019-10-31 2022-09-07 Sanko Tekstil Isletmeleri Sanayi Ve Ticaret Anonim Sirketi Fil élastique, matériau textile tricoté et chaussette fabriquée avec le fil élastique

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0411015A (ja) * 1990-04-25 1992-01-16 Descente Ltd 複合高級質感繊維
JPH05271432A (ja) * 1992-03-24 1993-10-19 Asahi Chem Ind Co Ltd 吸湿性ポリウレタンの製造方法
EP0716882A1 (fr) * 1994-12-13 1996-06-19 Japan Exlan Company, Ltd. Particules fines ayant un grand pouvoir d'adsorption et de désorption d'humidité et procédé de fabrication
JPH0959872A (ja) * 1995-06-05 1997-03-04 Japan Exlan Co Ltd 吸湿性架橋アクリル系繊維及び該繊維を用いた繊維構造体
EP0777000A1 (fr) * 1995-11-29 1997-06-04 Toyo Boseki Kabushiki Kaisha Fibres avec haute absorption et haute libération d'humudité et procédés pour leur fabrication
US6080797A (en) * 1998-07-01 2000-06-27 Japan Exlan Company Limited Porous moisture-absorbing and desorbing polymer and a method for manufacturing the same
JP2000303353A (ja) * 1999-04-16 2000-10-31 Japan Exlan Co Ltd 高白度吸湿性繊維及び該繊維の製造方法
JP2001131802A (ja) * 1999-10-29 2001-05-15 Toyobo Co Ltd 着用快適性に優れたストッキング
EP1174531A1 (fr) * 1999-02-12 2002-01-23 Asahi Kasei Kabushiki Kaisha Fibre synthetique absorbant/liberant l'humidite et tissu l'utilisant
US20020025749A1 (en) * 2000-05-16 2002-02-28 Kenji Shimizu Moisture absorptive and dischargeable cloth and production method thereof

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0411015A (ja) * 1990-04-25 1992-01-16 Descente Ltd 複合高級質感繊維
JPH05271432A (ja) * 1992-03-24 1993-10-19 Asahi Chem Ind Co Ltd 吸湿性ポリウレタンの製造方法
EP0716882A1 (fr) * 1994-12-13 1996-06-19 Japan Exlan Company, Ltd. Particules fines ayant un grand pouvoir d'adsorption et de désorption d'humidité et procédé de fabrication
JPH0959872A (ja) * 1995-06-05 1997-03-04 Japan Exlan Co Ltd 吸湿性架橋アクリル系繊維及び該繊維を用いた繊維構造体
EP0777000A1 (fr) * 1995-11-29 1997-06-04 Toyo Boseki Kabushiki Kaisha Fibres avec haute absorption et haute libération d'humudité et procédés pour leur fabrication
US6080797A (en) * 1998-07-01 2000-06-27 Japan Exlan Company Limited Porous moisture-absorbing and desorbing polymer and a method for manufacturing the same
EP1174531A1 (fr) * 1999-02-12 2002-01-23 Asahi Kasei Kabushiki Kaisha Fibre synthetique absorbant/liberant l'humidite et tissu l'utilisant
JP2000303353A (ja) * 1999-04-16 2000-10-31 Japan Exlan Co Ltd 高白度吸湿性繊維及び該繊維の製造方法
JP2001131802A (ja) * 1999-10-29 2001-05-15 Toyobo Co Ltd 着用快適性に優れたストッキング
US20020025749A1 (en) * 2000-05-16 2002-02-28 Kenji Shimizu Moisture absorptive and dischargeable cloth and production method thereof

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2093316A4 (fr) * 2006-12-15 2010-01-20 Invista Tech Sarl Fil élastique en polyuréthanne et procédé de production
KR101440650B1 (ko) * 2006-12-15 2014-09-19 인비스타 테크놀러지스 에스.에이 알.엘. 폴리우레탄 탄성사 및 그의 제조 방법
CN102011283A (zh) * 2010-12-30 2011-04-13 东华大学 一种共聚酯派丝特纤维织物的湿热定型方法
CN102011283B (zh) * 2010-12-30 2011-11-09 东华大学 一种共聚酯派丝特纤维织物的湿热定型方法
CN103504666A (zh) * 2013-10-24 2014-01-15 吴江市曼特思纺织有限公司 一种多功能抗菌除螨面料
CN103668684A (zh) * 2013-12-19 2014-03-26 苏州丽绣纺织有限公司 一种抗紫外线绒面料
CN104131469A (zh) * 2014-06-12 2014-11-05 苏州棠华纳米科技有限公司 一种具有自我修复和耐磨功能的纳米微胶囊材料及其制备方法
CN104131469B (zh) * 2014-06-12 2016-04-06 苏州棠华纳米科技有限公司 一种具有自我修复和耐磨功能的纳米微胶囊材料及其制备方法
CN111938214A (zh) * 2020-07-17 2020-11-17 浙江永春科技股份有限公司 一种火山岩自发热短袜及其生产工艺

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