WO2015068774A1 - Fibre acrylique à retrait élevé, filé contenant cette dernière, et étoffe à poils en surépaisseur utilisant ledit fil - Google Patents

Fibre acrylique à retrait élevé, filé contenant cette dernière, et étoffe à poils en surépaisseur utilisant ledit fil Download PDF

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WO2015068774A1
WO2015068774A1 PCT/JP2014/079493 JP2014079493W WO2015068774A1 WO 2015068774 A1 WO2015068774 A1 WO 2015068774A1 JP 2014079493 W JP2014079493 W JP 2014079493W WO 2015068774 A1 WO2015068774 A1 WO 2015068774A1
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Prior art keywords
fiber
cross
pile
acrylic fiber
pile fabric
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PCT/JP2014/079493
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English (en)
Japanese (ja)
Inventor
達彦 稲垣
透雄 小野原
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三菱レイヨン株式会社
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Application filed by 三菱レイヨン株式会社 filed Critical 三菱レイヨン株式会社
Priority to US15/034,568 priority Critical patent/US20160273130A1/en
Priority to CN201480060905.6A priority patent/CN105705687B/zh
Priority to JP2014555875A priority patent/JP5817942B2/ja
Priority to KR1020167011370A priority patent/KR101777180B1/ko
Publication of WO2015068774A1 publication Critical patent/WO2015068774A1/fr

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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/253—Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D1/00—Treatment of filament-forming or like material
    • D01D1/02—Preparation of spinning solutions
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/06—Washing or drying
    • 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
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/09—Addition of substances to the spinning solution or to the melt for making electroconductive or anti-static filaments
    • 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
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/10—Other agents for modifying properties
    • D01F1/103—Agents inhibiting growth of microorganisms
    • 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
    • D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/18—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04—Blended or other yarns or threads containing components made from different materials
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05C—EMBROIDERING; TUFTING
    • D05C17/00—Embroidered or tufted products; Base fabrics specially adapted for embroidered work; Inserts for producing surface irregularities in embroidered products
    • D05C17/02—Tufted products
    • D05C17/026—Tufted products characterised by the tufted pile surface
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05D—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
    • D05D2209/00—Use of special materials
    • D05D2209/10—Particular use of plastics
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/10—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/06—Load-responsive characteristics
    • D10B2401/061—Load-responsive characteristics elastic
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/06—Load-responsive characteristics
    • D10B2401/062—Load-responsive characteristics stiff, shape retention
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/06—Load-responsive characteristics
    • D10B2401/063—Load-responsive characteristics high strength
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/13—Physical properties anti-allergenic or anti-bacterial
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/16—Physical properties antistatic; conductive

Definitions

  • an ultra-flat acrylic fiber having a flatness ratio of 15 to 30 and a single fiber fineness of 2 to 3 denier (2.2 to 3.3 dtex) and a shrinkable acrylic fiber of 1 to 5 denier (1.1 to 5.6 dtex)
  • Patent Document 2 discloses a pile fiber made of acrylic fiber and other acrylic fibers.
  • the hair-producing component mainly uses round cross-section shrinkable fibers, and an example in which flat fibers are partially used is disclosed in, for example, Japanese Patent Application Laid-Open No. 11-350298 (Patent Document 3).
  • Patent Document 3 Japanese Patent Application Laid-Open No. 11-350298
  • the acrylic fiber of the present invention in which the elongation and bulkiness are defined has a minimum value of the secondary moment of inertia per unit fineness of 600 ⁇ m 4 or more in the direction in which the secondary moment of cross section is minimized, and the secondary moment of cross section is It is preferable that the maximum value of the cross-sectional secondary moment per unit fineness in the maximum direction is 2200 ⁇ m 4 or more.
  • the shape of the fiber cross section may be referred to as a “UFO type cross section”.
  • B. B / C is 0.5 or more, where the fiber cross section has a triangular shape, and C is the length of the largest side of the triangle, and B is the height when the largest side is the bottom. It is.
  • the fiber cross-sectional shape is a dumbbell shape and the degree of necking (X / Y) is 1.1 to 2.5.
  • X is the maximum length of the large diameter part at the end of the neck.
  • Y is the diameter length of the bottom of the neck.
  • the acrylic fiber of the present invention is preferably composed of an acrylonitrile-based polymer containing 50% by mass or more of acrylonitrile units.
  • the spun yarn of the present invention is a spun yarn containing 20 to 50% by mass of the acrylic fiber of the present invention.
  • the step pile fabric of the present invention is a step pile fabric including a long pile portion and a short pile portion, and the short pile portion includes the above-mentioned acrylic fiber of the present invention and has a compression recovery property of 35 to 90. It is a step pile fabric.
  • the material used for the long pile portion of the step pile fabric of the present invention is not particularly limited, such as synthetic fiber and natural fiber, and can be appropriately selected depending on the desired texture.
  • Acrylic fibers are preferable because, when heat-treating the pile, the crimps are easily stretched by heat, so that a soft texture and an excellent appearance can be obtained.
  • Polyester fiber is preferable when expressing a fabric with a hard texture because of its resilience. It is preferable to use animal hair fibers for a long pile, since a texture and appearance close to natural materials can be obtained.
  • the content of any one or more of the acrylic fiber, polyester fiber, and animal fiber is 50 to 100% by mass with respect to the entire long pile portion. If the content is 50% by mass or more, it is preferable because the characteristics of the material are easily obtained, and 80% by mass is more preferable.
  • the cross-sectional shape in the fiber axis direction of the acrylic fiber or polyester fiber used in the long pile portion of the step pile fabric of the present invention is a flat cross section, a Y-shaped cross section, a UFO cross section, a dumbbell cross section, a round cross section, etc. It can be selected appropriately according to the desired texture. Among them, the cross-sectional shape is preferably a flat cross section, a Y-shaped cross section, a UFO cross section, or a dumbbell cross section because a texture close to animal hair is easily obtained.
  • the present invention can provide a step pile fabric excellent in napping and compression recovery properties when used as a step pile fabric, and an acrylic fiber suitable for obtaining the step pile.
  • the acrylonitrile-based polymer comprises acrylonitrile and an unsaturated monomer polymerizable with the acrylonitrile.
  • unsaturated monomers include acrylic acid, methacrylic acid, or alkyl esters thereof, vinyl acetate, acrylamide, vinyl chloride, and vinylidene chloride.
  • Ionic unsaturated monomers such as sodium ryl sulfonate, sodium allyl sulfonate, sodium acrylamidomethylpropane sulfonate, sodium parasulfophenyl methallyl ether can be used.
  • the content of the acrylonitrile unit in the polymer is 80% by mass or more, it is easy to obtain fiber strength that is not problematic for use, and if it is 99% by mass or less, good dyeability is easily obtained.
  • the acrylonitrile-based polymer constituting the acrylic fiber of the present invention may be composed of one kind of polymer or a mixture of two or more kinds of polymers having different acrylonitrile contents.
  • the polymerization method of the acrylic polymer can be selected from suspension polymerization and solution polymerization, but is not particularly limited.
  • the molecular weight of the acrylic polymer is not particularly limited as long as it is within the range usually used for the production of acrylic fibers.
  • the reduced viscosity at 25 ° C. is 1.5 to The range of 3.0 is preferable from the viewpoint of spinnability and fiber strength.
  • the spinning dope is prepared by dissolving an acrylic polymer in a solvent so as to be 15 to 28% by mass. If the concentration is 15% by mass or more, the shape of the discharge hole of the spinning nozzle and the shape of the fiber cross section during solidification There is little difference and the desired cross-sectional shape can be easily obtained. On the other hand, a content of 28% by mass or less is preferable because the spinning solution has good stability over time and the spinnability is easily stabilized.
  • organic solvents such as dimethylformamide, dimethylacetamide, and dimethyl sulfoxide, nitric acid, rhodate aqueous solution, zinc chloride aqueous solution, and the like can be used as the solvent.
  • an organic solvent is advantageously used. Among these, dimethylacetamide is more preferable from the viewpoint of the speed of solidification and handling.
  • the shape is roughly similar to the shape of the discharge hole of the spinning nozzle by spinning and drawing the spinning draft defined by the ratio between the take-up speed of the coagulated yarn and the discharge linear speed of the spinning dope to be in the range of 0.7 to 2.0.
  • Atypical acrylic fibers having a cross-sectional form are easily obtained. If the spinning draft is 0.7 or more, the difference between the shape of the discharge hole of the spinning nozzle and the shape of the fiber cross section during solidification is small, and the desired cross-sectional shape is easily obtained, which is preferable. On the other hand, 2.0 or less is preferable because yarn breakage in the coagulation bath liquid is reduced.
  • the obtained coagulated yarn is drawn, washed and dried by a known method and conditions, and the fiber is drawn at a magnification of 1.10 to 2.00 in the steam drawing step after the relaxation treatment step, thereby shrinkage of 20 to 40. %,
  • the acrylic fiber of the present invention having a heat shrinkage characteristic of 5%.
  • the obtained fiber can be cut into a predetermined length according to the use and used as raw cotton. Using the obtained raw cotton, it can be processed into a pile fabric by a known pile processing method.
  • the acrylic fiber according to the present invention is an acrylic fiber that shrinks when heated by wet heat or dry heat.
  • the acrylic fiber before shrinking will be described.
  • ⁇ Single fiber fineness> The main purpose of this acrylic fiber is to be contained in the short pile portion of the step pile fabric.
  • the single fiber fineness before shrinkage is 1 to 1%. It is preferably 7 dtex. If the single fiber fineness is 1 dtex or more, excellent napping properties are easily obtained when the step pile fabric is used, and if it is 7 dtex or less, a soft texture is easily obtained when the step pile fabric is used. From the above viewpoint, the single fiber fineness is more preferably 1 to 5 dtex, and further preferably 2 to 4 dtex.
  • the acrylic fiber of the present invention has a minimum value of the cross-sectional secondary moment per unit fineness in the direction in which the cross-sectional secondary moment is minimum of 600 ⁇ m 4 or more, and the cross-section per unit fineness in the direction in which the cross-sectional secondary moment is maximum. It is preferable that the maximum value of the second moment is 2200 ⁇ m 4 or more.
  • the minimum value of the cross-sectional secondary moment per unit fineness in the direction in which the cross-sectional secondary moment is minimum is 600 ⁇ m 4 or more, the nap will fall down even when an external force is applied when it is used for a short pile part of a step pile fabric It becomes difficult to recover even if it falls due to external force.
  • the minimum value is more preferably 1000 .mu.m 4 or more, 4000 .mu.m 4 or more is more preferable.
  • the maximum value of the secondary moment of inertia per unit fineness in the direction in which the secondary moment of cross section is maximized is 2200 ⁇ m 4 or more, the nap will fall even if an external force is applied when used on the short pile part of a step pile fabric It is difficult, and even if it falls down, it is easy to recover napping. From the point of view, the maximum value is more preferably 6000 .mu.m 4 or more, 10000 4 or more is more preferable.
  • the direction of the fiber cross-sections of the many napped fibers in the pile fabric is not constant, so that the maximum value of the cross-sectional secondary moment per unit fineness in the direction in which the cross-sectional secondary moment is maximum increases. Even if an external force is applied in a certain direction, the nap is not easily fallen.
  • the minimum value of the cross-sectional secondary moment in the direction in which the cross-sectional secondary moment is minimum is 4000 ⁇ m 4 or more because napping is difficult to fall even when an external force is applied when used for the short pile portion of the step pile fabric.
  • the cross section of the fiber is a shape in which a rectangle having a short side shorter than the diameter of the circle passes through and both ends of the rectangle are located outside the circle, and the length of the long side of the rectangle is a, the length of the short side Where a / b is 3 to 25, W is the diameter of the circle, and H is the smaller of the maximum heights from the long sides of the rectangle in the circle. It is necessary that W is a / 10 to 4a / 5 and H is b / 2 to 2b.
  • the fiber cross section in this invention means the fiber cross section of the direction perpendicular
  • Requirements b are as follows.
  • the length of the largest side among the sides of the triangle is C, and the height when the largest side is the bottom is B, B / C is 0.5. That is necessary.
  • B / C is less than 0.5, the shape becomes an elongated shape close to a flat shape, and the resilience of the fiber cross section is impaired, and the desired effect cannot be obtained.
  • the maximum value of B / C is 0.87, which is an equilateral triangle.
  • the cross section may be a substantially triangular shape with slightly rounded corners.
  • Requirement C is as follows.
  • the shape of the cross section of the single fiber is dumbbell, and the degree of necking (X / Y), which is a value expressed by the maximum diameter length (X) of the neck end large diameter part / diameter length (Y) of the bottom part of the neck, is 1. It must be 1 to 2.5.
  • the degree of necking is 1.1 or more, it becomes close to a normal flat section, and desired napping properties and resilience can be obtained.
  • the constriction degree is 2.5 or less, a decrease in spinning stability and a decrease in fiber strength can be suppressed.
  • fibers having a density of 1.5 denier or less are added to the stepped pile fabric of the present invention for the purpose of increasing soft touch,
  • fibers having respective objective functions may be added, and the type of fibers to be added is not limited.
  • the step pile fabric can be produced by a known method such as a method of producing a pile fabric from spun yarn, a method of producing a pile fabric by knitting a sliver.
  • a method of producing a pile after forming a spun yarn is suitable. This is because this method is more likely to produce a difference between the length of the short pile portion and the length of the long pile portion.
  • the step pile fabric of the present invention is a step pile fabric including a long pile portion and a short pile portion, and the short pile portion includes the acrylic fiber of the present invention, and has a compression recovery property described below of 35 to 90. Is a step pile fabric.
  • the acrylic fiber of the present invention for the short pile portion, a step pile having good napping properties and excellent compression recovery properties can be obtained.
  • the compression recovery property of the stepped pile fabric of the present invention is 35 or more, even if the napping is fallen once by an external force, it easily returns to the original state.
  • 90 is the maximum value.
  • the compression recovery property is more preferably 38 or more, and further preferably 43 or more.
  • the above-mentioned acrylic fiber of the present invention contained in the short pile portion is preferably contained in an amount of 20 to 50% by mass with respect to the entire pile portion. If the content of the acrylic fiber of the present invention is 20% by mass or more with respect to the whole pile part, the napping of the long pile part becomes good, and the desired resilience / nap-raising property can be obtained, and 50% by mass or less If so, the mixing ratio of the long pile portion is not reduced too much, and the texture of the fibers of the long pile portion can be obtained, and the texture close to natural fur can be obtained.
  • the content is preferably 30 to 45% by mass or more, and preferably 35 to 40% by mass from the above viewpoint.
  • the difference between the length of the long pile portion and the length of the short pile portion is preferably 1 to 20 mm. If it is this range, it can have both napping property and natural fur-like texture, and is preferable.
  • the pile length of the long pile portion is extremely preferably 6 to 40 mm in order to retain the stiffness in the step pile fabric and to exhibit resilience and napping properties. If the pile length of the long pile portion is 40 mm or less, the bristles can be prevented from converging because of the elasticity and resilience of the acrylic fiber.
  • the bulkiness of the acrylic fiber bundle was measured as follows using the measuring jig 1 shown in FIG.
  • the measuring jig 1 has first and second plate members 11 and 12 arranged vertically and parallel to each other at intervals, and the lower ends of the two plate members 11 and 12 are formed by a third plate member 13.
  • the connected jig body 10 has a prismatic weight 14 that is loosely fitted in a gap between the first and second plate members 11 and 12 of the jig body 10.
  • the distance between the first and second plate members 11 and 12 is 10 mm
  • the depth of the jig body 10 and the length of the weight 14 are 40 mm.
  • N acrylic fiber bundles 15 are stacked on the upper surface of the third plate 13.
  • N is set to 500 to 800.
  • the portion protruding from the jig body 10 is cut, and both ends of the fiber bundle are aligned.
  • the weight 14 is placed on the entire upper side of the acrylic fiber bundle, a load of 0.196 N is applied, the height H (cm) after standing for 1 minute is measured, and the mass W (g) of the fiber bundle 15 is determined. taking measurement.
  • ⁇ Minimum and maximum values per unit fineness of the secondary moment of section The cross-sectional secondary moment was calculated for each cross-sectional shape, and the X-axis and Y-axis directions of the cross-sectional shape were appropriately changed to calculate the minimum and maximum values of the cross-sectional secondary moment. Next, the value obtained by dividing the minimum value and maximum value of the cross-sectional secondary moment by the single fiber fineness is set as the minimum and maximum values of the cross-sectional secondary moment per unit fineness.
  • the compression recovery evaluation was performed by the following method.
  • the step pile fabric was cut into 3 cm ⁇ 3 cm and then left to stand in a dryer at 35 ° C. for 3 days under a load of 141 g / cm 2 .
  • the angle A of the napping immediately after dewetting is measured.
  • the angle B of the napping at the same place after standing at room temperature (25 ° C., 65% relative humidity) for 1 day is measured.
  • the angle is defined as an angle (acute angle) between the horizontal surface of the base fabric and the direction in which the raised hairs face.
  • the compression recovery property of napping of the step pile fabric is (BA).
  • the compression recoverability is the amount of change in the angle of napping for 1 day after dewetting.
  • the number of measurements is 10 times, and the average is the compression recovery of the step pile fabric.
  • Example 1 A copolymer composed of 90% by mass of acrylonitrile and 10% by mass of vinyl acetate was obtained by aqueous suspension polymerization. The reduced viscosity at 25 ° C. of a 0.5 mass% dimethylformamide solution of this polymer was 2.0. This polymer was dissolved in dimethylacetamide to prepare a spinning dope having a polymer concentration of 24% by mass. From the discharge hole of the spinning nozzle having the cross-sectional shape shown in Table 1, the spinning solution was discharged into an aqueous dimethylacetamide solution having a temperature of 40 ° C. and a solvent concentration of 40% to obtain coagulated fibers.
  • the coagulated fiber is stretched in hot water at a stretch ratio of 5 times, washed and dried with a drying roll, subjected to heat relaxation treatment in a pressurized steam atmosphere, and then stretched twice in a steam stretching process. Crimping was applied to obtain an acrylic fiber. Table 1 shows the shrinkage of the acrylic fiber.
  • Tables 1 and 2 show the shape and physical properties of the acrylic fiber after shrinkage.
  • Tables 1 and 2 show various physical properties excluding the shape and shrinkage rate of the acrylic fiber after shrinkage.
  • An acrylic fiber that has not been shrunk is cut in a variable manner within a fiber length range of 76 to 127 mm, and the acrylic fiber is 40% by mass and the cross-sectional shape of the fiber is a flat type (flatness ratio 7) (part number: H155BRE3.3TVCL, single fiber)
  • the spun yarn was subjected to bulking and dyeing. Thereafter, knitting and cutting, and subsequent steps of brushing, polisher, and shirring (shaving), which are known pile processing methods, were performed to obtain a step pile fabric.
  • the evaluation results of the step pile fabric are shown in Table 3.
  • Examples 2 to 5 Comparative Examples 1 and 2
  • the acrylic fibers shown in Tables 1 and 2 were obtained in the same manner as in Example 1 except that the cross-sectional shape of the discharge hole of the spinning nozzle was changed and the cross-sectional shape of the acrylic fiber after shrinkage was changed as shown in Table 1. It was.
  • step pile fabric a step pile fabric was obtained in the same manner as in Example 1 except that the fibers in the short pile portion were changed to the above fibers.
  • Table 3 shows the evaluation results of the step pile fabric.
  • “Comparative Example 3” Acrylic fibers listed in Tables 1 and 2 were obtained in the same manner as in Example 1 except that the cross-sectional shape of the discharge hole of the spinning nozzle was changed and steam drawing was not performed. The fiber length was cut to 38 mm.
  • the step pile fabric has an acrylic fiber (product number: H155BRE3.3T51, single fiber fineness 3.3 dtex, fiber length 51 mm, shrinkage 0%, 40% by mass of the acrylic fiber and a flat fiber cross section (flatness 7).
  • Manufactured by Mitsubishi Rayon Co., Ltd. and manufactured sliver, manufactured pile fabric by sliver knit, and processed each process of brushing, polisher and shearing (shearing), which are pile processing methods.
  • a step pile fabric in which the short pile part, product number: H155BRE3.3T51 becomes the long pile part was obtained.
  • the evaluation results of the step pile fabric are shown in Table 3.

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  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Manufacturing & Machinery (AREA)
  • Woven Fabrics (AREA)
  • Knitting Of Fabric (AREA)
  • Artificial Filaments (AREA)
  • Nonwoven Fabrics (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Abstract

　L'invention porte sur une fibre acrylique qui convient pour une étoffe à poils en surépaisseur, telle qu'un textile à poils longs, sur un filé contenant ladite fibre et sur une étoffe à poils dans laquelle ledit filé est utilisé. Selon la présente invention, la fibre acrylique est une fibre acrylique à retrait élevé qui présente une finesse monofilament comprise entre 1 et 7 dtex, un retrait compris entre 20 et 40 % et un volume après retrait compris entre 0,19 et 0,30 mm3/g ; ou une fibre acrylique qui présente une finesse monofilament comprise entre 2 et 7 dtex, un allongement compris entre 50 et 70 % et un volume compris entre 0,19 et 0,30 mm3/g.
PCT/JP2014/079493 2013-11-08 2014-11-06 Fibre acrylique à retrait élevé, filé contenant cette dernière, et étoffe à poils en surépaisseur utilisant ledit fil WO2015068774A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US15/034,568 US20160273130A1 (en) 2013-11-08 2014-11-06 High-shrinkage acrylic fiber, spun yarn containing the same, and step pile fabric using the spun yarn
CN201480060905.6A CN105705687B (zh) 2013-11-08 2014-11-06 高收缩性聚丙烯腈纤维、含该纤维的纱线和使用该纱线的毛绒高低不同的毛绒织物
JP2014555875A JP5817942B2 (ja) 2013-11-08 2014-11-06 高収縮性アクリル繊維と同繊維を含む紡績糸と同紡績糸を用いた段差パイル布帛
KR1020167011370A KR101777180B1 (ko) 2013-11-08 2014-11-06 고수축성 아크릴섬유, 동 섬유를 포함하는 방적사 및 동 방적사를 이용한 단차파일직물

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WO2020045183A1 (fr) * 2018-08-30 2020-03-05 日本エクスラン工業株式会社 Fibre à base d'acrylonitrile, tissu duveté contenant ladite fibre, et produit fibreux contenant ledit tissu

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WO2018074544A1 (fr) * 2016-10-19 2018-04-26 三菱ケミカル株式会社 Fibre et ouate
CN107571580A (zh) * 2017-07-28 2018-01-12 阳信瑞鑫集团有限公司 一种加银丝割绒块毯制作工艺
EP3822398A4 (fr) * 2018-07-11 2022-03-16 Kaneka Corporation Fibre à base de polyester et tissu à poils l'utilisant et procédés respectif pour produire ces produits
EP4083285A4 (fr) * 2019-12-25 2023-10-11 Kaneka Corporation Tissu à poils et son procédé de fabrication

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CN105705687B (zh) 2018-01-12
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KR101777180B1 (ko) 2017-09-11
US20160273130A1 (en) 2016-09-22
TW201527613A (zh) 2015-07-16
KR20160062148A (ko) 2016-06-01
TWI609107B (zh) 2017-12-21
JP5817942B2 (ja) 2015-11-18

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