WO1995019461A1 - Toile de fibres creuses et procede de fabrication correspondant - Google Patents
Toile de fibres creuses et procede de fabrication correspondant Download PDFInfo
- Publication number
- WO1995019461A1 WO1995019461A1 PCT/JP1995/000009 JP9500009W WO9519461A1 WO 1995019461 A1 WO1995019461 A1 WO 1995019461A1 JP 9500009 W JP9500009 W JP 9500009W WO 9519461 A1 WO9519461 A1 WO 9519461A1
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- WIPO (PCT)
- Prior art keywords
- hollow
- fabric
- fiber
- hollow fiber
- slit
- Prior art date
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Classifications
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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
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/62—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
-
- 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
- D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/30—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the fibres or filaments
- D03D15/37—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the fibres or filaments with specific cross-section or surface shape
-
- 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
- D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
- D03D15/44—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads with specific cross-section or surface shape
-
- 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
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
- D10B2201/02—Cotton
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/20—Cellulose-derived artificial fibres
- D10B2201/22—Cellulose-derived artificial fibres made from cellulose solutions
- D10B2201/24—Viscose
-
- 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
- D10B2211/00—Protein-based fibres, e.g. animal fibres
- D10B2211/01—Natural animal fibres, e.g. keratin fibres
- D10B2211/02—Wool
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
-
- 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
- D10B2401/04—Heat-responsive characteristics
- D10B2401/041—Heat-responsive characteristics thermoplastic; thermosetting
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/06—Load-responsive characteristics
- D10B2401/061—Load-responsive characteristics elastic
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/16—Physical properties antistatic; conductive
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/918—Miscellaneous specific techniques
- Y10S210/922—Oil spill cleanup, e.g. bacterial
- Y10S210/924—Oil spill cleanup, e.g. bacterial using physical agent, e.g. sponge, mop
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
- Y10T428/24298—Noncircular aperture [e.g., slit, diamond, rectangular, etc.]
- Y10T428/24314—Slit or elongated
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2973—Particular cross section
- Y10T428/2975—Tubular or cellular
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2973—Particular cross section
- Y10T428/2978—Surface characteristic
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/608—Including strand or fiber material which is of specific structural definition
- Y10T442/609—Cross-sectional configuration of strand or fiber material is specified
- Y10T442/612—Hollow strand or fiber material
Definitions
- the present invention relates to a hollow fiber fabric and a method for producing the same.
- the present invention also relates to a fabric having a novel structure in which a fiber function-imparting agent is introduced into a hollow portion of a hollow fiber constituting the fabric.
- Japanese Patent Publication No. 61-18888 discloses that polyester hollow fibers containing a metal salt of an organic sulfonic acid are treated with alkali to dissolve and remove the metal salt of an organic sulfonic acid.
- a water-absorbing fiber in which micropores having a diameter of about 5 / zm are formed to communicate with the hollow portion as the removal marks.
- Japanese Unexamined Patent Publication (Kokai) No. 56-169817 discloses that a sheath-core type composite fiber in which nylon is coated with polyester is treated with a nylon solvent, and is penetrated from the fiber surface to the hollow portion. , In addition, it discloses that a fiber having excellent water absorption is obtained by forming a crack parallel to the fiber axis.
- 60-37203 discloses that after forming a crack by applying a torsional force to a conjugate fiber having the above structure, at least a part of the core is dissolved and removed. It is disclosed that a water-absorbing fiber is obtained by performing the method. Furthermore, Japanese Patent Application Laid-Open No. Hei 5-44416 also discloses that in the composite fiber having the above-mentioned structure, a core component is partially exposed to facilitate dissolution and removal of the core component. ing.
- the core-sheath type fiber uses a polymer having a different weight loss rate as the polymer of the sheath portion and the core portion, and therefore, requires extremely complicated steps in the spinning technology of composite spinning.
- these methods inevitably cause problems such as the inability to completely remove the core polymer and a variation in the rate of removal of the core polymer, resulting in spots and physical properties of the hollow fiber itself.
- Degradation There was a problem in that the friction resistance was reduced, and it might not be able to withstand actual use. Disclosure of the invention
- Another object of the present invention is to provide a hollow fiber fabric having improved sensation and water absorption, a method for producing the same, and a method for imparting a desired function.
- An object of the present invention is to provide an empty fiber fabric and a method for producing the same.
- the present inventors have conducted intensive studies to solve the above-mentioned problems, and as a result, the hollow fiber spun through a hollow fiber spinneret composed of a plurality of slit-shaped discharge holes has a hollow ratio of 2 At 0% or more, the low-orientation part of the polymer that is inevitably included during spinning and the part where deformation strain is concentrated by the stress applied during Z or spinning, stretching or weaving and knitting are the solvent or solution of this polymer.
- the present invention provides a fabric comprising hollow fibers having a high hollow ratio of at least 20%, which is constituted by a polymer having a single composition, wherein a hollow portion is formed in a longitudinal direction of the hollow fibers. And a hollow woven fabric including a slit formed as a trace for removing the polymer, formed in a state of being in communication with the fabric.
- the present invention also provides a method for treating a fabric comprising a polymer having a single composition and containing hollow fibers having a high hollow ratio of at least 20% with a solvent or a solution capable of dissolving the polymer.
- the polymer in the low-oriented portion and the no-deformation-strain-concentrating portion along the longitudinal direction of the fiber is partially dissolved and removed, and the polymer is removed in the longitudinal direction of the hollow fiber in a state communicating with the hollow portion.
- a method for producing a hollow fiber fabric which comprises forming a slit as a fiber.
- FIG. 1 is a side view of a hollow fiber constituting at least a part of the fabric of the present invention, showing a slit shape.
- FIG. 2 is an electron micrograph of the side surface of the hollow fiber as shown in FIG.
- FIG. 3 is a cross-sectional view of a hollow fiber constituting at least a part of the fabric of the present invention, and shows a state in which four slits extending in a longitudinal direction communicate with the hollow portion.
- FIG. 4 is an electron micrograph of a cross section of the hollow fiber as shown in FIG.
- FIG. 5 is a cross-sectional view showing an example of a round hollow fiber weaving nozzle.
- FIG. 6 is a diagram showing an example of a cross section of the hollow fiber after applying pressure.
- FIG. 7 is a diagram showing an example of a cross section of a hollow fiber from which pressure has been removed and elasticity has been recovered.
- the hollow fibers as shown in FIG. 5, is obtained by the Mochiiruko the spinning nozzle consists ⁇ Senburi multiple Sri Tsu preparative shaped discharge holes S ⁇ S 4 '.
- the spinning nozzle consists ⁇ Senburi multiple Sri Tsu preparative shaped discharge holes S ⁇ S 4 '.
- Such hollow O ⁇ for example, show a hollow weave ⁇ surface after the product woven of a hollow polyester fiber and alkali treatment is the first diagram, G, ⁇ G 4 (G 3 and G 4 are the (Not visible on the side) indicates a slit extending in the longitudinal direction of the fiber.
- FIG. 3 is a cross-sectional view taken along line AA ′ of FIG.
- S 4 are thin skin portion of the hollow fiber
- ⁇ G 4 shows a pickpocket Tsu you want to extend in the longitudinal direction of the fibers, this part first
- the low-oriented portion and / or deformation-strain concentrated portion of the polymer discharged from the slit-shaped discharge holes S to S 4 ′ shown in Fig. 5 is formed by being predominantly dissolved and removed by alkali treatment. is there.
- the low-orientation portion refers to a portion where the thickness of the skin portion becomes thinner than the surrounding portion due to discharge unevenness at the time of discharge of the polymer, a cooling unevenness after the discharge, or the like. This does not occur sufficiently and means that the molecular orientation is lower than that of other fiber forming parts.
- the deformation strain concentration portion refers to a portion where deformation strain is inherent due to stress applied in a direction perpendicular to the fiber axis in the spinning drawing process or the weaving knitting process.
- the cross section of the hollow fiber is Examples include the vicinity of each vertex in the case of a polygon, and a polymer joint where the discharged polymer collides with the ballast effect (corresponding to each C in FIG. 5).
- ancillary slits may be generated in the vicinity of the low orientation part and / or the deformation strain concentration part.
- the polymer used in the present invention may be a thermoplastic polymer which can produce a high hollow fiber and can be dissolved in a solvent or a solution after being made into a fiber.
- Preferred examples include polyester and polyamide. be able to.
- the hollow fiber is composed of a polymer having a single composition.
- a hollow fiber composed of a polymer having a single composition is a composite fiber composed of polymers having two or more compositions. It does not contain fibers, and the polymer composition itself may be composed of two or more polymers.
- the polymer used in the present invention includes a modifier, an antioxidant, a flame retardant, an antistatic agent, a fine pore former, a coloring agent, a stabilizer, an inorganic fine particle, and the like, as long as the object of the present invention is not impaired. May be added. However, when the organic sulfonic acid metal salt described in Japanese Patent Publication No. 61-61888 described above is added, fibrillation occurs, and the physical properties of the textile are reduced. It is not preferable because it may decrease.
- the above polymer is melt-spun by a conventional method, taken up at a speed of 100 to 400 m / min, and then stretched as necessary, and at least 20% or more hollow Hollow fiber having a specific modulus.
- the middle air ratio, the hollow fiber cross-section, and the cross-sectional area of the solid part existing around the hollow portion, the cross-sectional area of the hollow portion when the S 2 is melt-spun by a conventional method, taken up at a speed of 100 to 400 m / min, and then stretched as necessary, and at least 20% or more hollow Hollow fiber having a specific modulus.
- the middle air ratio, the hollow fiber cross-section, and the cross-sectional area of the solid part existing around the hollow portion, the cross-sectional area of the hollow portion when the S 2
- ⁇ S 2 / (S! + S 2) ⁇ XI This is a value expressed as 00, and is calculated as an average value of 20 fibers from a photograph of a cross section of the hollow fiber taken at a magnification of 500 times. Can be If the hollow ratio is less than 20%, the low orientation portion and the Z or deformation strain concentration portion are less likely to be dissolved, and the desired hollow fiber cannot be obtained.
- the upper limit of the hollow ratio is appropriately set to at most about 70% from the viewpoint of securing physical properties as a fiber.
- the preferred range of the hollow ratio is 30 to 50%.
- the spun yarn is drawn at a draw ratio less than its natural draw ratio (NDR), and may be converted into a thick-and-thin hollow fiber in which an undrawn thick portion and a drawn thin portion are mixed. Good.
- NDR natural draw ratio
- the slits are selectively formed in the thick part, the feeling of blemishes is more emphasized, and the durability against external stress is enhanced, so that the wear resistance (fibril resistance) and the like are improved.
- the physical properties of the resulting fiber are further improved.
- the thick yarn ratio (diameter ratio between the thick portion and the thin portion) of the single yarn of the above-mentioned thick and thin hollow fiber is preferably 1.9 or less. If the thickness ratio exceeds 1.9, the microgroups become too large, and the fibril resistance and the like may deteriorate.
- the cross-sectional shape of the hollow fiber is not particularly limited, and any shape such as a triangular shape, a flat shape, a star shape, a boomerang shape and the like can be freely adopted in addition to a round cross section. In this case, the shape of the hollow portion may be the same as or different from the cross-sectional outer shape of the fiber.
- the hollow fibers are knitted or formed into a fabric by other methods, and then subjected to a dissolving treatment (chemical dissolution treatment) with a solvent or a solution for dissolving the polymer, and the fibers are slit in the longitudinal direction.
- a dissolving treatment chemical dissolution treatment
- a solvent or a solution for dissolving the polymer a solvent or a solution for dissolving the polymer
- This slit is formed in the longitudinal direction of the fiber as a low-orientation portion and a trace of removal of the Z or deformation strain concentration portion, which is present in at least one thin-film portion of the hollow fiber, particularly when the fabric is a woven fabric.
- the high frequency is at or near the intersection between the warp and the weft where excessive stress is applied during weaving, or at the joint or where the excessive stress is applied during knitting when the fabric is a knitted fabric. And leads to the hollow part.
- the slit When the hollow fiber is a fiber having a substantially uniform thickness, the slit has a width of 0.2 to 10 m and a length of 5 to 200 m. If the hollow fiber is a thick-and-thin fiber, it is formed with a width of 0.5 to 15 m and a length of more than 200 m and less than 200 m. . When the width of the slit is less than 0.2 ⁇ m or less than 5 / m, not only is it not possible to provide sufficient sensation and water absorption performance, but also the agent for imparting a fiber function described later.
- the usual alkali reduction treatment may be performed, but the weight reduction is performed more rapidly than the usual reduction treatment.
- the frequency of occurrence of slits can be appropriately controlled.
- the concentration of the aqueous solution of sodium hydroxide such as sodium hydroxide and sodium hydroxide, should be 40 to 250 g / 1, and the concentration of water should be 2 to 80 at 140 ° C. It is appropriate to process for up to 60 minutes.
- Conventionally known methods can be used for reducing the alkali, such as hanging weight reduction, cold batching, batch weight reduction using a liquid jet dyeing machine, or continuous weight reduction using steam or superheated steam.
- a high-pressure dyeing treatment may be performed subsequent to the above-mentioned reduction in alkali.
- a liquid jet dyeing machine for high-pressure dyeing, because the effect of raising the temperature and the effect of kneading work synergistically.
- the cloth may be pressurized prior to the above-mentioned dissolution treatment. Due to the pressurization, stress concentrates on the low orientation part and / or deformation strain concentration part existing in the longitudinal direction of the hollow fiber, and the partial dissolution treatment is promoted by the generation of fine cracks, etc., so that a slit is formed. Tends to be easier.
- a preferred method of pressurization is force rendering using a roll made of cotton, metal, etc., and the use of so-called friction rolls with different upper and lower roll speeds, especially when using so-called friction rolls, significantly accelerates dissolution. May show effects.
- a roll having a flat surface, an embossed roll having an engraved pattern, or the like is appropriately selected according to the purpose.
- the pressurization temperature is suitably a temperature below the secondary transition point of the hollow fiber. Yes, when the hollow fibers are made of polyester, the temperature is more preferably 50 ° C or lower. If the pressurization temperature exceeds the second transition point, the polymer constituting the hollow fiber will flow more easily, and the hollow portion will be crushed and the physical properties of the fiber will be reduced.
- the pressure at this time is preferably a linear pressure of 5 to 60 Kg / cm. When the linear pressure is less than 5 kg / cm, the effect of promoting the partial dissolution treatment is insufficient, while when the linear pressure exceeds 60 kg g cm, the hollow fibers flatten and the gloss of the fabric increases. May not be put to practical use.
- the fibers constituting the fabric are partially and randomly pressurized by a solid such as a stone.
- a fiber function-imparting agent can be made to exist through a slit formed in the thin skin section.
- the agent for imparting anti-textile function refers to a substance capable of exerting various chemical functions when applied to fibers, and examples thereof include the following.
- alkylene glycol for example, a 45% aqueous solution of propylene glycol
- aloe aloe, katsukon (waste), wheat, rice, cherries (tea or green tea), tomato, carrot, luffa, ichima, ichijo (clove).
- Single-particulate fine particles composed of metal oxides, carbides, nitrides, silicides, etc. having an average primary particle diameter of 0.01 to 1 m, or mixed fine particles of these.
- metal oxides for example, titanium oxide, zinc oxide, colloidal silica, iron oxide, aluminum oxide.
- oxycarbo iron phthalocyanine dimethyl phthalate, and getyl phthalate.
- FC5966 IGSA
- FC5968 Jasmin
- a copolymer of polyethylene glycol and polyethylene terephthalate a compound in which a group having a polyalkylene oxide chain is bonded to a polyalkylenepolyamine-based skeleton, and an HLB of 6.0 to 16 0, a carboxyl group-containing unsaturated vinyl monomer or a polymer thereof, or a metal salt thereof.
- the metal ions constituting the metal salt here are alkali metal ions such as sodium and potassium, alkaline earth metal ions such as calcium and magnesium, zinc, iron, nickel and cobalt. Any metal can be used as long as the object of the present invention is not impaired, including transition metal ions such as, and other ions such as aluminum, titanium, zirconium, copper, and silver.
- More preferred compounds include, for example, those represented by the following general formula (I).
- Water-insoluble polymers obtained by polymerizing the water-soluble monomers mentioned above can be cited.
- X represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms
- Y represents an organic group having 1 to 80 carbon atoms.
- the water-insoluble polymer when the water-insoluble polymer is substantially absent on the surface of the hollow fibers or the inter-fiber voids and is present only in the hollow portion of the hollow fiber, the original texture of the fabric is impaired. It is preferable because the durability of water absorption and moisture absorption can be improved.
- the water-soluble monomer is filled in the hollow portion, and the hydroquinoline is added to the surface of the hollow fiber prior to polymerization in the hollow portion.
- a polymerization inhibitor such as hydroquinone monomethyl ether, or 50 to 130 ° C after filling the water-soluble monomer into the hollow, preferably 70 to 100 °
- a method of immersing in a warm water bath C to polymerize the monomer in the hollow part by immersion in H and washing and removing the water-soluble monomer present on the surface of the hollow fiber and the space between the fibers is shown. it can.
- water-soluble monomer examples include monomers represented by the following formulas (II) to (IV). ⁇
- a fluorine-containing polymer having a fluorocarbon group such as a perfluoroalkyl group represented by the following formula in the side chain and a polyacrylic acid ester in the main chain is a methacrylic acid ester polymer or the like.
- dimethylpolysiloxane and its copolymer silicon resin is a fluorine-containing polymer having a fluorocarbon group such as a perfluoroalkyl group represented by the following formula in the side chain and a polyacrylic acid ester in the main chain.
- dimethylpolysiloxane and its copolymer silicon resin dimethylpolysiloxane and its copolymer silicon resin.
- R represents hydrogen or a methyl group
- ⁇ is an integer of 3 to 21.
- the hollow fiber portion As a method for filling the hollow fiber portion with the fiber function-imparting agent through a slit, the hollow fiber portion is provided with a pressure within the elastic limit and then elastically recovered, so that the hollow fiber portion is filled with air.
- a liquid such as a solution or dispersion liquid (including an emulsified liquid) or a liquid containing a textile function-imparting agent is replaced and filled with a liquid, or a hollow textile fabric is placed in a closed container.
- Preferable examples include a method in which air is removed by putting the mixture and reducing the pressure, followed by injecting a fiber function-imparting agent.
- a solution or The medium used for the dispersion liquid is preferably a mixed solvent in which water and an organic solvent of less than 20% by weight are mixed.
- the pressure within the elastic limit refers to a pressure at which the hollow portion of the hollow fibers constituting the fabric does not substantially collapse or the physical properties of the fibers do not deteriorate. What is necessary is just to set suitably according to a hollow ratio etc. Normally, when the above pressure is applied, the hollow fibers having the shape shown in FIG. 6 are brought into a state where the inner surfaces of the hollow portions are in contact with or close to each other as shown in FIG. 7, and then the pressure is removed. As a result, it recovers elastically to its original hollow shape (Fig. 6). At this time, in the state shown in Fig. 7, the air in the hollow part is forcibly removed, and the pressure in the hollow part becomes small in the process of restoring the hollow part, creating a negative pressure.
- the liquid containing the agent is suction-filled into the hollow part.
- the pressurization temperature is preferably 100 ° C. or less.
- the pressure application time is preferably less than 10 seconds, more preferably 2 seconds or less. If the time is longer than 10 seconds, not only the time required for restoration is longer, but also the space may be destroyed when pressure is applied.
- the pressurization is preferably performed in a liquid containing a fiber function-imparting agent, but it takes several seconds to one minute for the hollow portion to elastically recover to its original state. After pressing, it may be immersed in a liquid.
- the pressing means include a method of pressing with a pressure roll or the like and a method of rubbing with an edge such as a knife, but are not limited thereto.
- the heating means heating the liquid containing the fiber function-imparting agent to a temperature from normal temperature to 100 ° C. The higher the temperature, the lower the viscosity of the solution and the easier it is for the slit to pass. Vibration refers to directly weaving textiles and fabrics. Vibrating or vibrating the solution near the fabric. Examples of specific means include using a vibrator, applying ultrasonic waves, and spraying a solution from a nozzle or the like.
- a particularly preferable method is a method in which the solution is sprayed onto the fiber or cloth through the pores of a pipe installed in the liquid, and in this case, the pore diameter is preferably 2 mm or less.
- the liquid medium containing the textile fiber-imparting agent is removed by heat treatment or other means as necessary. After drying and curing, the fiber function-imparting agent is fixed in the hollow portion.
- the present invention focuses on the low-directional portion and / or the deformation strain concentrating portion existing in the thin skin portion of the hollow fiber, and in the hollow fiber having a hollow ratio of 20% or more, the polymer having the same composition is used. Despite this, it was made based on the finding that the low orientation part and the Z or deformation strain concentration part exhibit extremely high chemical weight loss.
- Fig. 5 shows a cross section of a hollow fiber (here, circular cross section) spinning nozzle.
- a hollow woven fiber spinning nozzle always has a plurality of slit-shaped discharge holes (here, four nozzles). It consists of. Then, when the polymer is discharged from each Sri Tsu preparative shaped discharge holes (S, to S 4), the discharge speed difference usually slightly inevitably occurs, this difference is amplified by the cooling spots, etc. after ejection However, a low-orientation portion is present in the thin skin portion of the hollow fiber along the longitudinal direction of the fiber.
- hollow fibers made of polyester are subjected to an aluminum treatment, the hollow fibers extend in the longitudinal direction of the fibers as shown in FIG. The resulting slit is formed.
- a thick-and-thin fabric having a thick portion and a thin portion is used as the hollow fiber, the hollow ratio of each of the thick portion and the thin portion or the thickness ratio of the thick portion and the thin portion is appropriately adjusted. Adjustment By doing so, it is possible to arbitrarily adjust the slit formation frequency.
- the slit is predominantly formed in the portion where the hollow fiber receives stress in the direction perpendicular to the fiber axis in the spinning and drawing step and the like, where the deformation strain is concentrated, and where the hollow fiber is pressed after being formed into a fabric.
- the portion of the hollow fiber that is most stressed that is, at the intersection of warp and weft at or near the woven fabric, and in the knitted fabric, It has also been found that this occurs at or near the connection between the hollow fibers.
- the fabric portion that comes into contact with humans is mainly the above-mentioned crossing portion or the connecting portion, the fabric that gives a refreshing feeling with significantly improved feeling and water absorption ability is provided. Means that.
- the added value of the fabric can be further improved.
- the frequency of formation of the slit was measured by the following methods.
- the textile surface after the formation of the slit was determined by photographic observation using a scanning electron microscope at a magnification of 7500 to 150,000.
- the frequency of formation is determined at the intersection of or near warp and weft in the case of woven fabric, or at the joint or in the vicinity of knitted fabric, among the 100 single fibers.
- the fiber surface after the formation of the slit was determined by observing a photograph taken at a magnification of 300000 with a scanning electron microscope. The measurement was performed on at least 20 fibers, and the average value was obtained.
- the sensation of the fabric caused by the slit was evaluated in four levels: excellent, good, good, and bad.
- a geollette composed of 100% polyethylene terephthalate fiber was used as the friction cloth, and the test cloth was subjected to 200 times under a load of 500 g using a Gakushin type flat abrasion tester for friction fastness test.
- the degree of occurrence of discoloration due to flat wear was judged by a discoloration gray scale.
- Class 1 was used when the wear resistance (fibril resistance) was extremely low, and class 5 was used when it was extremely high. For practical use, it is preferable that the class be 4 or higher.
- Polyethylene terephthalate containing 0.3% by weight of titanium oxide and having an intrinsic viscosity of 0.61 is melted, and is spun from a spinneret having 20 hollow fiber spinning nozzles shown in FIG. It was discharged and wound up at a speed of 140 OmZ. The polymer discharge amount was adjusted so that the denier of the filament after the heat treatment for stretching was 50 denier.
- Got The undrawn yarn has a natural draw ratio of 2.1 times, and is drawn at a draw ratio shown in Table 1 below between a supply roller and a draw roller heated to 60 ° C.
- Heat treatment was carried out with a 180 non-contact heater, and a hollow cross-section multifilament yarn (50 denier Z20 filament) having a hollow ratio of 35% and a hollow portion having a hollow ratio of 35% were obtained.
- a thick and thin circular multi-filament yarn (50 denier Z20 filament) having a yield of 35% was obtained.
- a plain fabric was prepared from each of the obtained multifilament yarns by a conventional method, and scouring and presetting were performed.
- the obtained fabric was treated in hot water (105 ° C) containing 50 g of sodium hydroxide for 10 minutes to reduce the weight by 15%, and then dyed under the following conditions.
- Disper VG (from Meisei Chemical) 0.5 g / l
- Each of the obtained fabric samples was evaluated for moisture absorption, abrasion resistance and feeling.
- the multifilament yarn was taken out from each fabric sample, and its surface was observed with an electron microscope to measure the frequency of slit formation, the width and length of the slit, and the thick and thin yarn. As for, the thickness ratio of the single yarn diameter and the length of the thick portion and the thin portion were measured.
- the density of the plain woven fabric is 100 inch warp and 80 inch Z weft, and therefore the number of intersections between the warp and the weft is 800 pieces / square inch.
- Example 2 In Experiment No. 3 of Example 1, the hollow ratio of the thick part of the thick and thin hollow fiber was changed as shown in Table 3 below.
- a spinneret containing 2.5% by weight of titanium oxide and having an intrinsic viscosity of 0.61 is melted and has 20 hollow fiber spinning nozzles as shown in Fig. 5. And then subjected to a drawing heat treatment to obtain a 50 denier Z15 filament multifilament yarn having a hollow ratio of 38%.
- the woven fabric was subjected to pressure treatment under the conditions of a temperature of 40 ° C, a linear pressure of 50 Kg / cm, and a speed of 10 mZ.
- the woven fabric was boiled in an aqueous sodium hydroxide solution having a concentration of 40/1 for 60 minutes to reduce the weight by 20%, and then dyed in the same manner as in Example 1.
- the multifilament yarn was taken out from the obtained fabric, and the surface was observed with an electron microscope.
- the width was 0.2 to 2.
- a slit of 150 // m was observed with a frequency of 65%. Further, this fabric showed a feeling of creaking corresponding to “excellent”, the water absorption rate was 2.0 seconds, and the abrasion resistance was grade 4.
- Example 3 The woven fabric used in Example 3 was boiled for 20 minutes in an aqueous sodium hydroxide solution having a concentration of 501 without applying pressure, and after reducing the weight by 20%, the same process as in Example 1 was performed. Stained by the method.
- the pick-up rate when this fabric was taken out into the air was 98%.
- the woven fabric was washed with water at normal temperature for 5 minutes to remove the function-imparting agent attached to the interstices of the fabric, dried at 100 ° C. for 5 minutes, and cured at 16 ° C. for 1 minute.
- This woven fabric had a soft and moist feel, and as shown in Table 4 below, had high water absorption, good moisture absorption, and antistatic properties.
- Example 4 was carried out in the same manner as in Example 4 except that polyethylene terephthalate multifilament yarn having a hollow ratio of 15% was used. When the multifilament yarn was taken out from the obtained fabric and its surface was observed with an electron microscope, almost no slit was observed (frequency of formation: 5%).
- this woven fabric had good water absorption, moisture absorption and antistatic properties at the initial stage, but its performance deteriorated due to washing and was not durable.
- the moisture absorption rate and the antistatic property were measured by the following methods. Washing was repeated up to 20 times in accordance with the JIS L—10 18—7 76.36H method.
- the test cloth was pre-dried at 50 ° C for 2 hours, and then dried at 105 ° C for 2 hours. Measure the weight at this time, W. And Next, put in a desiccator at 90 ° C and 90% RH for 72 hours, measure the weight, and Then, the moisture absorption was calculated by the following equation.
- Moisture absorption (%) ⁇ (W, one W.) / W. ⁇ x 1 0 0
- Example 4 instead of the mixture of sodium pyrrolidonecarboxylate and monoundecylacylglycerol, a dispersion of an organic acid ester as an anti-mite agent (trade name: Aninsen CBT, Daiwa Chemical Industry Co., Ltd.) The procedure was performed in the same manner as in Example 4 except that) was used.
- the pick-up rate when this fabric was taken out into the air was 55%.
- An acaricide was present in the hollow portion of the fiber of the obtained fabric, and showed a soft feeling and high anti-mite properties (repelling rate of Dermatophagoides farinae 92.8%).
- the mite culture medium was used as a viable mite count in the petri dish at the center of the sample, and was approximately 300 Samples from the treated area and the untreated area were alternately spread on the six petri dishes around the petri dish containing the mite and the mite, and 0.05 g of powdered feed without mite was placed on each sample. Put. Put this together with the adhesive sheet in a plastic container for storing goods of 27 x 13 x 9 cm, put saturated saline solution, cover it, and keep the humidity in the container at about 75%. Store in a 6 ° C ⁇ 1 ° C incubator for 1 day and night.
- the mites were collected by the saturated saline suspension method for the powdered feed on the sample, and by the washing method for the sample, and the mites were then counted, and the repellent rate was determined by applying the following formula.
- the test was repeated three times in consideration of variations.
- the mites used were Dermatophagoides farinae.
- Repellent rate (%) ⁇ 1 (number of mites in the treated zone Z number of mites in the control zone)
- the present invention can provide a fabric made of hollow fibers having excellent sensation and water absorption and further imparting a desired function, and a method for producing the same, and thus can be advantageously used industrially.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Woven Fabrics (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Artificial Filaments (AREA)
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/505,356 US5604012A (en) | 1994-01-13 | 1995-01-09 | Hollow fiber fabric and process for producing the same |
DE69526146T DE69526146T2 (de) | 1994-04-18 | 1995-01-09 | Vliesstoff aus hohlfasern und verfahren zu seiner herstellung |
KR1019950703861A KR100253018B1 (ko) | 1994-04-18 | 1995-01-09 | 중공 섬유직물 및 이의 제조방법 |
JP51894695A JP3058187B2 (ja) | 1994-01-13 | 1995-01-09 | 中空繊維布帛 |
EP19950905232 EP0688892B1 (en) | 1994-01-13 | 1995-01-09 | Cloth of hollow fibers and method of manufacturing same |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6/2099 | 1994-01-13 | ||
JP209994 | 1994-01-13 | ||
JP6/78604 | 1994-04-18 | ||
JP7860494 | 1994-04-18 | ||
JP6/149436 | 1994-06-30 | ||
JP14943694 | 1994-06-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1995019461A1 true WO1995019461A1 (fr) | 1995-07-20 |
Family
ID=27275204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1995/000009 WO1995019461A1 (fr) | 1994-01-13 | 1995-01-09 | Toile de fibres creuses et procede de fabrication correspondant |
Country Status (4)
Country | Link |
---|---|
US (1) | US5604012A (ja) |
EP (1) | EP0688892B1 (ja) |
JP (1) | JP3058187B2 (ja) |
WO (1) | WO1995019461A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997033257A1 (en) | 1996-03-07 | 1997-09-12 | Coinstar, Inc. | Method and apparatus for conditioning coins |
CN1090253C (zh) * | 1997-02-20 | 2002-09-04 | 帝人株式会社 | 空心聚酯纤维和含有该空心聚酯纤维的纺织品 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6171496B1 (en) * | 1995-12-15 | 2001-01-09 | Microban Products Company | Antimicrobial filter cartridge |
US5968638A (en) * | 1997-08-04 | 1999-10-19 | Specialty Filaments, Inc. | Hollow filament with crimp for use in spiral binding |
US5971659A (en) * | 1998-01-27 | 1999-10-26 | Patterson; James A. | Oil spill recovery articles and method |
KR100557271B1 (ko) * | 1998-04-30 | 2006-03-07 | 데이진 가부시키가이샤 | 분리가능한 중공 코폴리에스테르 섬유 및 분리된 코폴리에스테르 섬유, 이를 포함하는 직물 또는 편직물, 인조 가죽 및 부직포 |
US7374673B2 (en) * | 2001-09-10 | 2008-05-20 | Clemson University | Channeled polymer fibers as stationary/support phases for chemical separation by liquid chromatography and for waste stream clean-up |
US20070071649A1 (en) * | 2001-09-10 | 2007-03-29 | Marcus R Kenneth | Capillary-channeled polymer fibers as stationary phase media for spectroscopic analysis |
US7740763B2 (en) | 2004-08-10 | 2010-06-22 | Clemson University | Capillary-channeled polymeric fiber as solid phase extraction media |
US7261813B2 (en) * | 2004-08-10 | 2007-08-28 | Clemson University | Monolithic structures comprising polymeric fibers for chemical separation by liquid chromatography |
US20080302713A1 (en) * | 2007-06-05 | 2008-12-11 | Gilbert Patrick | Antimicrobial filter cartridge |
TWI338733B (en) * | 2007-07-05 | 2011-03-11 | Formosa Taffeta Co Ltd | Method for manufacturing embossed conductive clothes |
US20090169884A1 (en) * | 2007-12-28 | 2009-07-02 | L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Hollow organic/inorganic composite fiber , hollow ceramic fiber, and methods of making the same |
US8268041B2 (en) | 2008-06-30 | 2012-09-18 | L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Hollow organic/inorganic composite fibers, sintered fibers, methods of making such fibers, gas separation modules incorporating such fibers, and methods of using such modules |
CN107663688A (zh) * | 2017-08-30 | 2018-02-06 | 孚日集团股份有限公司 | 一种镂空面料及其制造工艺 |
US11326278B2 (en) | 2018-09-20 | 2022-05-10 | Kam Cheung Koo | Fabric constructions with hollow structures |
CN109518326A (zh) * | 2018-09-20 | 2019-03-26 | 辜锦章 | 一种空心弹力纱 |
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JPS57101072A (en) * | 1980-12-15 | 1982-06-23 | Unitika Ltd | Production of fabric containing hollow fiber |
JPS6037203B2 (ja) * | 1980-04-26 | 1985-08-24 | カネボウ株式会社 | 吸水性人造繊維の製造法 |
JPS62289642A (ja) * | 1986-06-09 | 1987-12-16 | ユニチカ株式会社 | 吸水性のポリエステル系合成繊維織編物 |
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JPS5215627A (en) * | 1975-07-09 | 1977-02-05 | Mitsubishi Rayon Co Ltd | Porous polypropylene hollow fibers and a process for manufacturing the m |
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JPS54101917A (en) * | 1978-01-27 | 1979-08-10 | Teijin Ltd | Hollow fibers and their manufacture |
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JPS56169817A (en) * | 1980-06-03 | 1981-12-26 | Toray Ind Inc | Hollow fiber with cracks and it production |
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-
1995
- 1995-01-09 US US08/505,356 patent/US5604012A/en not_active Expired - Lifetime
- 1995-01-09 EP EP19950905232 patent/EP0688892B1/en not_active Expired - Lifetime
- 1995-01-09 WO PCT/JP1995/000009 patent/WO1995019461A1/ja active IP Right Grant
- 1995-01-09 JP JP51894695A patent/JP3058187B2/ja not_active Expired - Fee Related
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JPS6037203B2 (ja) * | 1980-04-26 | 1985-08-24 | カネボウ株式会社 | 吸水性人造繊維の製造法 |
JPS57101072A (en) * | 1980-12-15 | 1982-06-23 | Unitika Ltd | Production of fabric containing hollow fiber |
JPS62289642A (ja) * | 1986-06-09 | 1987-12-16 | ユニチカ株式会社 | 吸水性のポリエステル系合成繊維織編物 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997033257A1 (en) | 1996-03-07 | 1997-09-12 | Coinstar, Inc. | Method and apparatus for conditioning coins |
CN1090253C (zh) * | 1997-02-20 | 2002-09-04 | 帝人株式会社 | 空心聚酯纤维和含有该空心聚酯纤维的纺织品 |
Also Published As
Publication number | Publication date |
---|---|
US5604012A (en) | 1997-02-18 |
EP0688892A1 (en) | 1995-12-27 |
JP3058187B2 (ja) | 2000-07-04 |
EP0688892A4 (en) | 1997-12-17 |
EP0688892B1 (en) | 2002-04-03 |
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