WO2015151220A1 - Fil frisé latent de polyamide et son procédé de fabrication - Google Patents

Fil frisé latent de polyamide et son procédé de fabrication Download PDF

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Publication number
WO2015151220A1
WO2015151220A1 PCT/JP2014/059598 JP2014059598W WO2015151220A1 WO 2015151220 A1 WO2015151220 A1 WO 2015151220A1 JP 2014059598 W JP2014059598 W JP 2014059598W WO 2015151220 A1 WO2015151220 A1 WO 2015151220A1
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Prior art keywords
component
polyamide
crimped yarn
latent crimped
yarn
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PCT/JP2014/059598
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English (en)
Japanese (ja)
Inventor
山下　裕之
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Ｋｂセーレン株式会社
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Application filed by Ｋｂセーレン株式会社 filed Critical Ｋｂセーレン株式会社
Priority to PCT/JP2014/059598 priority Critical patent/WO2015151220A1/fr
Priority to CN201480077132.2A priority patent/CN106103822A/zh
Priority to JP2016511239A priority patent/JPWO2015151220A1/ja
Publication of WO2015151220A1 publication Critical patent/WO2015151220A1/fr

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    • 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
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/12—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyamide as constituent
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/22—Formation of filaments, threads, or the like with a crimped or curled structure; with a special structure to simulate wool
    • D—TEXTILES; PAPER
    • 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
    • D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
    • D01D5/30—Conjugate filaments; Spinnerette packs therefor
    • D01D5/32—Side-by-side structure; Spinnerette packs therefor
    • 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
    • D01F6/90—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 polyamides

Definitions

  • the present invention relates to a polyamide crimped yarn having high crimpability in which two kinds of polyamides are arranged in a bonded mold.
  • crimped yarns used for clothing and the like natural fibers such as cotton and wool whose shape and crimp are reversibly changed by changes in humidity are well known.
  • a yarn made of a single polymer such as a polyester such as polyethylene terephthalate, which is often used for clothing, or a polyamide 6, polyamide 12 or the like, has almost no stretchability.
  • the torque is applied to the torsion to give the crimp.
  • crimping is applied by processing such as false twisting, surface wrinkles are likely to occur when a woven or knitted fabric is formed.
  • Patent Document 1 discloses a fiber in which polyamide or polyester is combined into a side-by-side type or a core-sheath type using a polyamide 12 elastomer as an elastic polymer.
  • various methods for imparting stretchability to a fiber using a composite fiber of two different types of general-purpose polymers as a crimped yarn have been studied. For example, a method in which different resins such as polyester and polyamide are combined to form a crimped yarn as a composite fiber, or a method in which a crimped yarn is used as a composite fiber in which the same resins having different viscosity are combined.
  • Patent Document 2 describes a polyamide latent crimped yarn having a high crimp property in which a specific amount of polymetaxylene adipamide is blended with a high viscosity polymer and the viscosity of the high viscosity polymer and the low viscosity polymer is controlled. Yes.
  • the polyurethane elastic yarn requires a covering processing cost, which is expensive and disadvantageous in cost.
  • the thing using the copolymer polyamide using the polyamide 12 elastomer like patent document 1 also becomes disadvantageous in cost.
  • a composite fiber made by combining different polymers such as general-purpose polyester and polyamide produces crimp in the usual post-process, so the cost for obtaining the crimp is low, but spinning and drawing In other words, the resin is easily peeled off during post-processing.
  • resins of the same kind with different viscosity differences are combined, sufficient crimps cannot be obtained, the elasticity of the fibers themselves is not sufficient, and it is difficult to obtain a highly elastic fabric.
  • an object of the present invention is to solve the above-described problems and to obtain a polyamide latent crimped yarn having sufficiently excellent stretchability without using a covering process or a special copolymer.
  • the present invention is a bonded-type latent crimped yarn composed of a resin composition (component 1) composed of polymetaxylene adipamide and polyamide 6 and a polyamide resin (component 2).
  • a polyamide latent crimped yarn satisfying the requirements of 1) to (3) is a first gist.
  • Elongation rate is 45% or more
  • Difference in resin viscosity between component 1 and component 2 [(component 1) ⁇ (component 2)] ⁇ 0.50 to 1.00
  • Polymetaxylene adipamide of component 1: polyamide 6 mass ratio 25: 75 to 70:30
  • a resin composition composed of polymetaxylene adipamide and polyamide 6 and a polyamide resin (component 2) are bonded together.
  • a more preferable production method comprises a resin composition (component 1) composed of polymetaxylene adipamide and polyamide 6 (component 1) and polyamide (component 2), and the difference in viscosity between component 1 and component 2 ((component 1)
  • component 1 and component 2 (component 1)
  • the heat set temperature in the drawing step is A method for producing a polyamide latent crimped yarn having a temperature of 125 ° C. or lower can be mentioned.
  • a polyamide latent crimped yarn having high crimpability and excellent stretchability and high shrinkage can be obtained without performing covering processing or false twisting.
  • high stretchability can be obtained without using a copolymer such as a special polyamide elastomer, which is advantageous in terms of cost.
  • FIG. 1 shows an example of a fiber cross section of the latent crimped yarn of the present invention.
  • the present invention relates to a bonded type latent crimped yarn composed of two polyamide components composed of a resin composition (component 1) comprising polymetaxylene adipamide and polyamide 6 and a polyamide resin (component 2). It is.
  • the mass ratio of the resin composition of Component 1 is 25:75 to 70:30, particularly preferably 30:70 to 55:45 for polymetaxylene adipamide and polyamide 6, respectively.
  • the hot water shrinkage is sufficient, and the fiber has high shrinkage and crimpability.
  • the polymetaxylene adipamide has a mass ratio of less than 25% by mass and more than 70% by mass, it does not shrink well with hot water, and fibers with high crimpability cannot be obtained.
  • the ratio of polymetaxylene adipamide is 45 to 55% by mass, the hot water shrinkage rate is particularly large, so that a woven fabric or knitted fabric with high density, high shrinkage, and high stretchability can be obtained. it can.
  • the polyamide 6 used in Component 1 preferably has a relative viscosity of more than 2.2 from the viewpoint of melt spinning stability. More preferably, the viscosity is 2.4 or more, and particularly preferably the relative viscosity exceeds 2.7. Further, although there is no restriction on the upper limit of the relative viscosity, a relative viscosity of up to 3.5 is sufficient from the viewpoint of spinning operation stability.
  • the polymetaxylene adipamide used in Component 1 preferably has a relative viscosity exceeding 2.1 from the viewpoint of melt spinning stability. More preferably, it is 2.3 or more, and particularly preferably the relative viscosity is more than 2.5. Moreover, although there is no restriction
  • the moisture content of the polyamide and polymetaxylene adipamide used in Component 1 of the present invention is preferably 300 ppm or less from the viewpoint of spinning operability. It is preferable to strengthen the drying as the single yarn fiber is thinner. In this case, it is more preferable not to exceed 100 ppm. More preferably, it is 50 to 100 ppm.
  • the relative viscosity of the resin composition of Component 1 is preferably 2.2 to 3.4 from the viewpoints of spinning operation and crimping performance, and is 2.6 to 3.2. It is more preferable.
  • the polyamide resin used for component 2 of the present invention may be polyamide 6, polyamide 12, polyamide 66, or the like, and is not particularly limited, but homopolyamide is preferred. From the viewpoint of cost and versatility, polyamide 6 and polyamide 66 are preferable. In addition, you may add a matting agent etc. to a polymer as a 3rd component.
  • the relative viscosity of polyamide 6 is preferably more than 2.2 from the viewpoint of melt spinning stability. More preferably, it is 2.4 or more, and particularly preferably, the relative viscosity exceeds 2.7. Further, although there is no restriction on the upper limit of the relative viscosity, a relative viscosity of up to 3.5 is sufficient from the viewpoint of spinning operation stability.
  • the relative viscosity of the component 2 resin is preferably 2.1 to 3.5 and more preferably 2.3 to 3.0 from the viewpoint of maintaining a high elongation rate and heat shrinkage stress. preferable.
  • the moisture content of the polyamide resin of component 2 is preferably 300 ppm or less from the viewpoint of spinning operability.
  • the finer the single yarn fineness the better the drying, and in this case, it is better not to exceed 100 ppm.
  • the present invention is a bonded type latent crimped yarn composed of two polyamide components composed of component 1 and component 2.
  • a method for laminating latent crimped yarns of the present invention for example, a method in which component 1 and component 2 are separately melted, bonded and spun at the base portion, and bonded as a composite fiber is preferably exemplified.
  • the fiber cross-sectional shape (cross-sectional shape perpendicular to the fiber longitudinal direction) of the latent crimped yarn of the present invention is not limited to a round cross-section, and may be an irregular cross-section such as a triangle, square, or peanut type.
  • Examples of the arrangement of laminating component 1 and component 2 include a method of arranging component 1 and component 2 in a side-by-side type, a method of arranging each in a side-by-side repetitive type, a method of arranging in an eccentric core-sheath type, and the like. In view of spinning operability and high crimping performance, a side-by-side arrangement method is preferred.
  • FIG. 1 (a) is a side-by-side type composite fiber having a round cross section
  • FIG. 1 (b) is a side-by-side type composite fiber having a triangular cross section
  • FIG. 1 (c) is a side-by-side type composite fiber having a square cross section
  • FIG. It is an example of the side by side type
  • the latent crimped yarn of the present invention those having a round cross section and a peanut type cross section are preferable from the viewpoint that sufficient stretchability can be easily obtained, and a peanut type cross section is particularly preferable.
  • the ratio of the long side A to the short side B (long side / short side) is 1.1 to 3.0, more preferably 1.1 to 3.0, in order to give the fiber itself excellent stretchability. 2.2.
  • the elongation rate of the polyamide latent crimped yarn of the present invention is 45% or more. If the elongation rate is 45% or more, the stretchability is excellent and sufficient crimps can be generated. As a result, it is possible to obtain a fabric having stretchability while being a high-density fabric. And in post-processing such as dyeing, the latent crimped yarn shrinks, and a high-shrinkage high-density fabric can be obtained. In addition, More preferably, it is 50% or more, More preferably, it is 60% or more.
  • the breaking strength of the polyamide latent crimped yarn of the present invention is preferably 3.2 cN / dtex or more from the viewpoint of maintaining good weaving operability without yarn breakage. More preferably, it is 3.5 cN / dtex or more.
  • the hot water shrinkage rate of the polyamide latent crimped yarn of the present invention is preferably 45% or more from the viewpoint of high crimp performance. More preferably, it is 55% or more.
  • the upper limit is preferably 85% or less from the viewpoint of easily preventing the texture of the dough after heat treatment.
  • the MAX value (thermal shrinkage stress) of the shrinkage stress of the polyamide latently crimped yarn of the present invention is 0.2 to 1.0 cN / dtex from the viewpoint of easily obtaining a high-density fabric by shrinking and maintaining a good texture. It is preferable that More preferably, it is 0.25 to 0.5 cN / dtex. That is, if the thermal shrinkage stress is too small, there is a risk that the fabric shrinks at the time of shrinkage and a high-density fabric cannot be obtained. There is a risk that.
  • the polyamide latent crimped yarn of the present invention preferably has a number of crimps described later of 90 to 500. When it is within this range, when it is made into a fabric, a good crimp is easily expressed, and it becomes easy to obtain a high-density fabric with a good texture.
  • the polyamide latently crimped yarn of the present invention can be obtained by a two-step method (conventional method) of spinning and drawing, a direct spinning method, or the like.
  • a stretching method one-stage stretching, multi-stage stretching, or the like can be selected as appropriate.
  • polymetaxylene adipamide of component 1 and polyamide 6 are prepared. Both are mixed by kneading
  • the resin of component 2 is prepared. Components 1 and 2 are melt-kneaded, guided to a die pack, discharged from a nozzle so as to have a predetermined cross section, and melt-spun.
  • the spinning temperature is preferably about 260 to 290 ° C. Then, after cooling and winding up, it is stretched to obtain a stretched yarn.
  • the speed of the godet roll (spinning speed) at which the yarn discharged from the nozzle is first wound is preferably 1200 to 4500 m / min.
  • the stretch rate of the polyamide crimped yarn can be 45% or more, and when it is made into a fabric, a stretchable product can be obtained and the density can be increased.
  • the spinning speed is increased, the spinning draft is increased, whereby the orientation of molecular chains in the fiber advances, and the fiber is wound in a state in which the strain in the fiber is increased.
  • the spinning speed is preferably 1200 m / min or more, more preferably 1800 m / min or more, and further preferably 2200 m / min or more and 2700 m / min or more.
  • the upper limit is preferably about 4500 m / min, more preferably 4000 m / min.
  • the heat setting temperature in the stretching process of the conventional method or the direct stretching method is preferably 150 ° C. or less (when the relative viscosity difference is ⁇ 0.50 to ⁇ 0.00, the heat setting temperature is 125 ° C. or less). More preferably, the heat setting temperature is 145 ° C. or lower, and more preferably, the heat setting temperature is 125 ° C. or lower.
  • the heat setting temperature exceeds 150 ° C., the difference in hot water shrinkage between each component 1 and component 2 single yarn is reduced, and the hot water shrinkage of the entire composite fiber is also lowered. Thereby, since an elongation rate becomes low and it becomes difficult to express a crimp, the high density property and the high elasticity as a fabric are impaired.
  • the component 1 composed of the polyamide resin composition and the component 2 composed of the polyamide resin are set within a specific relative viscosity difference range to increase the spinning speed during spinning, Elasticity that can produce extremely high crimps with a high elongation rate by using latently crimped yarns such as composite fibers with both components bonded together, such as by controlling the heat setting temperature at a low level during the yarn making process. Excellent high shrinkage polyamide latent crimped yarn can be obtained.
  • component 1 is composed of polymetaxylene adipamide and polyamide 6, each having a mass ratio of 25:75 to 70:30, and component 2 as a polyamide resin. to paste together.
  • component 1 when each component of component 1 is made into a fiber as a single polymer, there is no significant difference in hot water shrinkage between component 1 and component 2, and no crimp is developed.
  • the hot water shrinkage rate of the component 1 single yarn can be increased. For this reason, it is easy to increase the difference between the component 2 and the hot water shrinkage, and it is easy to obtain a product having a high crimp.
  • the fiber is directly oriented under the nozzle by increasing the spinning speed, etc., and wound in a state in which the strain in the fiber is increased.
  • High crimps can be imparted by further stretching the fiber having a length and storing the strain in the fiber.
  • the oriented molecular chain is not fixed (molecular chain distortion is not relaxed), so that the difference in thermal shrinkage between Component 1 and Component 2 is maintained large. Therefore, high crimpability can be maintained.
  • the present invention can obtain a high-shrinkage polyamide latent crimped yarn having a high elongation rate and excellent stretchability.
  • the polyamide latent crimped yarn obtained in this way has a good weaving property because it can maintain an appropriate strength.
  • the high shrinkage stress and high crimpability of the latent crimped yarn of the present invention when subjected to shrinkage processing by weaving, it is possible to obtain a fiber having a higher density and good texture.
  • it has high crimpability it is possible to obtain a fabric with high density and high stretchability, and it can be expected to have a good texture not found in polyester high-density fabrics.
  • the relative viscosity is measured using an automatic viscosity measuring apparatus (SS-600-L1 type) manufactured by Shibayama Kagaku Seisakusho.
  • the polymer is dissolved at a concentration of 1 g / dl using 95.8% concentrated sulfuric acid as a solvent, and measurement is performed at 25 ° C. in a thermostatic bath.
  • the heat shrinkage stress is measured using a KE-II type shrinkage stress measuring device manufactured by Kanebo Engineering. Measures the thermal contraction force when heated from room temperature at a heating rate of 120 ° C / min by applying an initial load of fineness x 2/30 (cN) to a sample with a thread end tied as a 5 cm long loop. To do. The highest point of the measured thermal contraction force is defined as the peak (cN) of thermal contraction force, and the temperature at that time is defined as the thermal contraction force peak temperature (° C.). A value obtained by dividing the maximum value of the heat shrinkage force by twice the fiber fineness is defined as heat shrinkage stress (cN / dtex).
  • Elongation rate (%) (L3-L2) / L2 ⁇ 100
  • Hot water shrinkage (%) (L0 ⁇ L1) / L0 ⁇ 100
  • surface of the following examples and comparative examples shows the thing at the time of obtaining a single fiber by the manufacturing method of each component and the same conditions as each example.
  • E. Number of crimps The sample yarn was put into a boiling water bath, immersed in the bath for 30 minutes, air-dried for 30 minutes as it was, and then the number of crimps per 1 cm was measured with an optical microscope.
  • Example 1 Relative viscosity of component 1 polyamide (polymetaxylene adipamide + polyamide 6) 2.7 (moisture content 35 ppm) and 3.0 (moisture content 55 ppm), respectively, and component 2 (polyamide 6) relative viscosity 2 .4 (water content 50 ppm) chips were vacuum dried. Furthermore, each polymer was uniformly mixed with a blender so that the mass ratio was 30:70.
  • Examples 2, 3, 4, Comparative Examples 1 and 2 The latent potential is the same as in Example 1 except that the mass ratio of component 1 polymetaxylene adipamide and polyamide 6 is changed to 40:60, 50:50, 65:35, 20:80 and 75:25, respectively. A crimped yarn was obtained. The results are shown in Table 1.
  • Comparative Example 1 the mixing ratio of the polymetaxylene adipamide of component 1 is low, and the hot water shrinkage of the component 1 single fiber is low. Comparative Example 2 also has a high mixing ratio of component 1 polymetaxylene adipamide and a low hot water shrinkage. For this reason, since the difference in hot water shrinkage between the components 1 and 2 in Comparative Examples 1 and 2 was small, a sufficient elongation rate could not be obtained.
  • the mixing ratio of the polymetaxylene adipamide of component 1 and the polyamide 6 is 30:60 to 65:35, the hot water shrinkage as a single fiber is high, and the ratio of 50:50 is The hot water shrinkage rate became the maximum.
  • the hot water shrinkage rate as a single fiber of component 1 high, the difference in hot water shrinkage rate between component 1 and component 2 can be increased, and obtained from Examples 1 to 3.
  • the latent crimped yarn had a high elongation rate and high stretchability.
  • Examples 1 to 4 good crimps were obtained.
  • Example 3 was excellent.
  • the fibers obtained in Comparative Examples 1 and 2 did not become a sufficiently high-density fabric and also had a low stretchability because the crimp rate was low.
  • the crimp was not fully expressed.
  • the heat shrinkage stress is further high, and by having sufficient stress, it is possible to obtain a fabric having a good elasticity and a suitable elasticity and a high density fabric. It was.
  • the latent crimped yarn obtained from Example 3 is a high-density fabric and has good elasticity and stiffness because it sufficiently contracts and stretches. A stretchable fabric can be obtained.
  • the latent crimped yarns obtained from Examples 3 and 5 to 12 had a hot water shrinkage rate of 45% or more and a stretch rate of 45% or more, and were crimped yarns having good crimp expression and high elongation rate. .
  • the latent crimped yarn obtained under the condition that Component 2 has a higher relative viscosity ((Component 1)-(Component 2)) is less than -0.5 is There was a tendency for the difference in hot water shrinkage between component 2 and component 2 to be small, and the elongation was low.
  • the comparative product is a sufficiently high density fabric.
  • the example product exhibited a good crimp and was able to obtain a bulky, high-density stretchy fabric.
  • Examples 3, 5, 6, 8, 10, and 11 were bulky and excellent in elasticity.
  • Example 3 Each physical property was measured and evaluated for the latent crimped yarn obtained by melt spinning and drawing according to the method described in Example 3 except that the heat treatment temperature (plate heater temperature) at the time of drawing was changed. The results are shown in Table 3.
  • Example 5 Each physical property was measured and evaluated for the latent crimped yarn obtained by melt spinning and drawing according to the method described in Example 5 except that the heat treatment temperature (plate heater temperature) at the time of drawing was changed. The results are shown in Table 3.
  • Example 8 and 19 Each physical property was measured and evaluated for the latent crimped yarn obtained by melt spinning and drawing according to the method described in Example 8 except that the heat treatment temperature (plate heater temperature) at the time of drawing was changed. The results are shown in Table 3.
  • the comparative product was not bulky and stretchable, but had a high elongation rate.
  • Examples 3, 5, 8, and 13 to 19 were bulky, high density, and stretchable fabrics.
  • the example product having a high elongation rate was a fabric excellent in bulkiness, high density, and stretchability.
  • Example 10 Each physical property was measured and evaluated for the latent crimped yarn obtained by melt spinning and stretching according to the method described in Example 10 except that the spinning speed during spinning and the draw ratio during stretching were changed. The results are shown in Table 4.
  • the fabric obtained from Comparative Example 9 has a low density and is bulky. Although a stretchable fabric could not be obtained, the example product had a high density, a good crimp, and a bulky and stretchable fabric. In addition, a thing with a favorable elongation rate was obtained.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Multicomponent Fibers (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Abstract

　La présente invention vise à obtenir un fil frisé latent de polyamide ayant une aptitude à l'étirage suffisante, sans être soumis à un revêtement et sans utiliser de copolymère spécial. Un fil frisé latent lié comprend une composition de résine (constituant (1)), qui comprend du poly-méta-xylène adipamide et un polyamide (6), et une résine polyamide (constituant (2)), le fil frisé latent satisfaisant des critères (1)-(3) : (1) un taux d'allongement de 45 % ou plus. (2) une différence de viscosité de résine entre le constituant (1) et le constituant (2) ((constituant (1) ‒ (constituant (2)) : -0,50 à 1,00. (3) un rapport de masse de poly-méta-xylène adipamide/polyamide (6) dans le constituant (1) : 25:75 à 70:30.
PCT/JP2014/059598 2014-03-31 2014-03-31 Fil frisé latent de polyamide et son procédé de fabrication WO2015151220A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2014/059598 WO2015151220A1 (fr) 2014-03-31 2014-03-31 Fil frisé latent de polyamide et son procédé de fabrication
CN201480077132.2A CN106103822A (zh) 2014-03-31 2014-03-31 聚酰胺潜在卷曲丝及其制造方法
JP2016511239A JPWO2015151220A1 (ja) 2014-03-31 2014-03-31 ポリアミド潜在捲縮糸及びその製造方法

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Application Number Priority Date Filing Date Title
PCT/JP2014/059598 WO2015151220A1 (fr) 2014-03-31 2014-03-31 Fil frisé latent de polyamide et son procédé de fabrication

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Publication number Priority date Publication date Assignee Title
CN109208119A (zh) * 2017-06-30 2019-01-15 东丽纤维研究所（中国）有限公司 一种聚酰胺复合纤维
CN110241479A (zh) * 2019-06-12 2019-09-17 佛山新晟泰新材料技术有限公司 一种永久卷曲欧根纱及其制备方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4819890B1 (fr) * 1969-07-29 1973-06-16
JP2000027031A (ja) * 1998-07-09 2000-01-25 Unitika Ltd ポリアミド潜在捲縮糸
JP2009057679A (ja) * 2008-10-16 2009-03-19 Unitika Ltd ポリアミド潜在捲縮糸
JP2014080717A (ja) * 2012-09-29 2014-05-08 Kb Seiren Ltd ポリアミド潜在捲縮糸及びその製造方法

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Publication number Priority date Publication date Assignee Title
KR101359501B1 (ko) * 2007-04-18 2014-02-06 케이비 세렌 가부시키가이샤 고수축섬유

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4819890B1 (fr) * 1969-07-29 1973-06-16
JP2000027031A (ja) * 1998-07-09 2000-01-25 Unitika Ltd ポリアミド潜在捲縮糸
JP2009057679A (ja) * 2008-10-16 2009-03-19 Unitika Ltd ポリアミド潜在捲縮糸
JP2014080717A (ja) * 2012-09-29 2014-05-08 Kb Seiren Ltd ポリアミド潜在捲縮糸及びその製造方法

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