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WO2012008617A1 - Tissu fibreux et son procédé de fabrication - Google Patents

Tissu fibreux et son procédé de fabrication Download PDF

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Publication number
WO2012008617A1
WO2012008617A1 PCT/JP2011/066639 JP2011066639W WO2012008617A1 WO 2012008617 A1 WO2012008617 A1 WO 2012008617A1 JP 2011066639 W JP2011066639 W JP 2011066639W WO 2012008617 A1 WO2012008617 A1 WO 2012008617A1
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WO
WIPO (PCT)
Prior art keywords
fiber
core
sheath
fiber fabric
component
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2011/066639
Other languages
English (en)
Japanese (ja)
Inventor
俊弘 坪田
克彦 柳
宏泰 清水
智仁 齋藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiren Co Ltd
KB Seiren Ltd
Original Assignee
Seiren Co Ltd
KB Seiren Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Seiren Co Ltd, KB Seiren Ltd filed Critical Seiren Co Ltd
Priority to JP2012524620A priority Critical patent/JP5854997B2/ja
Publication of WO2012008617A1 publication Critical patent/WO2012008617A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
    • 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
    • D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
    • D01F11/04—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers
    • D01F11/08—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • 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

Definitions

  • the present invention relates to a fiber fabric and a method for producing the fiber fabric.
  • the present invention relates to a fiber fabric having a portion in which yarn is partially decomposed and removed, and a method for producing the fiber fabric. More specifically, the sharpness of the boundary between the decomposed part and the undecomposed part is excellent, and the design is formed by the difference between the decomposed part and the undecomposed part, or the functionality (stretchability) is partially changed.
  • the present invention relates to a fiber fabric and a method for producing the fiber fabric.
  • a fiber fabric having a fiber-decomposed pattern pattern expresses a design by forming a pattern based on a difference between a decomposed portion and an undecomposed portion by removing specific fibers by fiber decomposition.
  • the fiber fabric having such a fiber-decomposed pattern has been attracting attention as having a three-dimensional feeling, a high-class feeling, or a refreshing feeling among high-design fiber cloths.
  • fiber fabrics whose stretchability is controlled by fiber decomposition have attracted attention in the field of functional compression wear that improves athletic ability.
  • Such a fiber fabric can be manufactured by, for example, applying a fiber decomposition processing agent or the like to decompose specific fibers to form a fiber decomposition pattern.
  • a fiber decomposition processing agent As a method for applying a fiber decomposition processing agent, a roller printing method or a screen printing method has been conventionally known. In recent years, an inkjet method has attracted attention.
  • an ink-processed fiber decomposition processing agent is applied, and only one type of these fibers is decomposed, so-called opal-like. It is known that a sense of sheer can be expressed on a fiber fabric. Since these processing methods vary depending on various conditions such as the type of fiber to be decomposed and the configuration of the yarn or fiber fabric, there are actually various methods.
  • processing using a fiber decomposition processing agent containing alkali as a main component is generally widely used particularly for fiber fabrics made of polyester fibers.
  • a typical processed cloth there may be mentioned one in which only a polyester fiber is decomposed from a composite fiber cloth including a polyester fiber, and a fiber-decomposed pattern pattern is formed while leaving other fibers.
  • Patent Document 1 describes a method of decomposing only specific fibers of a fiber fabric including two or more polyester fibers having different fiber decomposition rates.
  • the texture and stitches are displaced or frayed (filament breakage) at the boundary between the decomposed portion after fiber decomposition and the undecomposed portion. May occur. Thereby, the quality of the boundary portion between the decomposed portion and the undecomposed portion is lowered.
  • the strength of the decomposed portion particularly the tear strength, tends to be lowered.
  • Patent Document 2 describes a method of decomposing only fibers having a specific decomposability in a fiber fabric using a yarn in which fibers having different degradability are combined by twisting, entanglement, covering, or the like. ing.
  • fraying filament breakage
  • the quality of the boundary portion between the fiber decomposition portion and the fiber undecomposed portion is lowered.
  • Patent Document 3 describes a composite fiber for discharge processing using a core-sheath type composite fiber having a core-sheath structure with two types of polyester components having different fiber decomposition rates by modification of the polyester fiber. Has been. However, in the conjugate fiber of Patent Document 3, it is necessary to control the degree of fiber decomposition, so that the processing conditions are difficult, and depending on the conditions, there is a problem that the polyester fiber in the core part is also decomposed, leading to a decrease in strength.
  • Patent Document 4 describes a method in which a knitted structure is made into an atlas knitted structure or a two-dimensional knitted structure for the purpose of improving the strength of the fiber fabric and improving the displacement and fraying of the stitches.
  • the strength is improved, but the fraying improvement is not sufficient.
  • the method of Patent Document 4 has a problem that the elongation of the fiber fabric is restricted and the texture becomes hard.
  • the object of the present invention is excellent in sharpness at the boundary between the decomposed part and the undecomposed part, and forms a high-quality design due to the difference between the decomposed part and the undecomposed part, or is partially functional (stretchable) ) Can be effectively changed, and a method for producing the fiber fabric is provided.
  • a first aspect of the present invention is a fiber fabric that is entirely or partially constituted by yarns composed of a core-sheath type composite fiber, wherein the core part of the core-sheath type composite fiber is made of a polyamide component, and the sheath part is a polyester.
  • a fiber fabric comprising a component and having a portion where the polyester component of the sheath portion is removed by the fiber decomposition processing agent and a portion where the polyester component is not removed.
  • the present invention provides the fiber fabric according to the first aspect, wherein the cross-sectional area ratio of the polyamide component and the polyester component is 20/80 to 80/20 in the cross section of the core-sheath conjugate fiber. .
  • the present invention provides the fiber fabric according to the first or second aspect, wherein in the cross section of the core-sheath composite fiber, a part of the polyamide component of the core is exposed on the fiber surface.
  • the present invention provides the above-mentioned first to third, wherein the core-sheath conjugate fiber comprises a modified polyester copolymer in which the polyester component in the sheath is modified with a compound having an alkali metal sulfonic acid group.
  • the fiber fabric according to any one of the above.
  • the present invention provides the polyester component which has not been decomposed and / or removed, and / or the polyamide component in the portion where the polyester component has been decomposed and removed, wherein the color pattern is imparted. It is a fiber fabric.
  • the present invention provides the fiber fabric according to any one of the first to fifth aspects, wherein the polyamide-based polymer constituting the polyamide component has a relative viscosity of 1.5 to 6.0.
  • the present invention provides the fiber fabric according to any one of the first to sixth aspects, wherein the polyester polymer constituting the polyester component has an intrinsic viscosity of 0.4 to 1.0.
  • the present invention relates to a method for producing a fiber fabric, all or part of which is constituted by yarns composed of core-sheath type composite fibers, wherein the core part of the core-sheath type composite fibers is made of a polyamide component,
  • a method for producing a fiber fabric comprising: applying a fiber decomposition processing agent mainly composed of an alkali to a fiber fabric having a polyester part in a pattern, and partially removing the polyester component in the sheath part. is there.
  • the ninth aspect of the present invention is the method for producing a fiber fabric according to the eighth aspect, wherein the method for applying the fiber decomposition processing agent is a textile printing method or an ink jet method.
  • the tenth aspect of the present invention is the tenth or ninth aspect, in which a colorant capable of coloring a polyester component and / or a colorant capable of coloring a polyamide component is added simultaneously with the fiber decomposition processing agent. It is a manufacturing method of a fiber fabric.
  • the present invention is the method for producing a fiber fabric according to any one of the eighth to tenth aspects, wherein the fiber decomposition processing agent is a guanidine weak acid salt.
  • the present invention is the method for producing a fiber fabric according to the eleventh aspect, wherein the guanidine weak acid salt is guanidine carbonate.
  • the sharpness of the boundary part between the decomposed part and the undecomposed part by the fiber decomposition processing agent is excellent, and a high-quality design can be formed by the difference between the decomposed part and the undecomposed part. It is possible to provide a fiber fabric that can effectively change the functionality (stretchability).
  • the fiber fabric and the method for producing the fiber fabric of the present invention will be described in detail below.
  • Examples of the form of the fiber fabric of the present invention include, but are not particularly limited to, a woven fabric, a knitted fabric, and a non-woven fabric.
  • Examples of the woven fabric include plain weave, twill weave and satin weave.
  • Examples of the knitted fabric include weft knitting such as plain knitting, rubber knitting and pearl knitting, tricot knitting, cord knitting, atlas knitting, chain knitting, inlay knitting and the like, but the function and effect of the present invention are inhibited. If it is the range which does not carry out, it will not specifically limit to these.
  • the fiber fabric is preferably a knitted fabric.
  • the fiber fabric of the present invention is a fiber fabric composed entirely or partly of yarn comprising a core-sheath type composite fiber obtained by composite spinning of a polyamide component in the core and a polyester component in the sheath.
  • the component used for the core part of the core-sheath type composite fiber is a polyamide polymer, for example, nylon 6, nylon 66, nylon 46, nylon 7, nylon 9, nylon 610, nylon 11, nylon 12, nylon 612, polymetaxylene. Conventionally known materials such as adipamide can be used.
  • a compound having an amide-forming functional group and a copolymerized polyamide containing a copolymer component such as laurolactam, sebacic acid, terephthalic acid, isophthalic acid, and 5-sodium sulfoisophthalic acid can be used.
  • These polyamide polymers may be used alone or in combination.
  • nylon 6 and nylon 66 are preferable from the viewpoint of versatility and colorability.
  • the relative viscosity of the polyamide-based polymer is preferably 1.5 to 6.0 when measured at a concentration of 1% in 98% sulfuric acid and a temperature of 25 ° C. according to JIS K 6810. If the relative viscosity is less than 1.5, the mechanical strength tends to be insufficient, and if it exceeds 6.0, the workability tends to be lowered. Furthermore, the relative viscosity of the polyamide-based polymer is preferably 2.0 to 5.0, particularly preferably 2.9 to 4.5 from the viewpoint of obtaining good processability and maintaining the burst strength of the fiber fabric. When there are a plurality of polyamide-based polymers to be used, the relative viscosity of the mixture is preferably within the above range.
  • the component used for the sheath part of the core-sheath type composite fiber is a polyester-based polymer.
  • a polyester-based polymer For example, polyethylene terephthalate (PET), polyethylene naphthalate (PEN), polybutylene terephthalate (PBT), polytrimethylene terephthalate (PTT), polylactic acid Or modified polyester copolymers containing these as a main component.
  • PET polyethylene terephthalate
  • PEN polyethylene naphthalate
  • PBT polybutylene terephthalate
  • PTT polytrimethylene terephthalate
  • polylactic acid Or modified polyester copolymers containing these as a main component may be used alone or in combination.
  • the modified polyester copolymer is preferable in that when alkali is used for decomposition and removal, the decomposition can be accelerated and the time required for dissolution and removal can be shortened.
  • a polyester whose main repeating unit is ethylene terephthalate is preferable,
  • a preferred first modifying component is a compound having an alkali metal sulfonic acid group.
  • a modified polyester copolymer modified with a compound having an alkali metal sulfonic acid group is particularly preferred in view of decomposition and removability.
  • a modified polyester copolymer modified with isophthalic acid having an alkali metal sulfonic acid group (SIP component) is preferable, and more specifically, a polyester modified with 1.0 to 5.0 mol% of SIP component is preferable.
  • Preferable examples of the SIP component include 5-sodium sulfoisophthalic acid.
  • a preferred second modifying component is polyalkylene glycol. More specifically, a modified polyester copolymer modified with 1.0 to 20% by mass of polyalkylene glycol is preferable. Further, the specific modification ratio is preferably 1.0 to 5.0% by mass when the molecular weight of the polyalkylene glycol is 100 to 1000, and 5.0 to 20.0% by mass when the molecular weight is 1000 to 10,000. As such a polyalkylene glycol, polyethylene glycol (PEG) is particularly preferable.
  • PEG polyethylene glycol
  • a preferred third modifying component is diethylene glycol (DEG). More specifically, a modified polyester copolymer modified with 1.0 to 10.0 mol% of DEG is preferable.
  • a modified polyester copolymer in which the main repeating unit modified with 1.0 to 5.0 mol% of the SIP component is ethylene terephthalate is preferable.
  • the above modified polyester copolymer modified with 0 to 5.0% by mass or 5.0 to 20.0% by mass of PEG having a molecular weight of 1000 to 10,000 is preferable, and in addition, 1.0 to 10.0 mol of DEG.
  • the modified polyester copolymer modified with about% is more preferred.
  • the use of the modified polyester copolymer as described above accelerates the decomposition of alkali, and the productivity is improved when the alkali is decomposed and removed.
  • the alkali concentration and temperature conditions can be relaxed and the treatment time can be shortened, damage to fibers that cannot be decomposed is reduced, and a high-quality fiber fabric can be obtained.
  • 0.4 to 1.0 is preferable. This is because if the intrinsic viscosity is less than 0.4, the mechanical strength tends to be insufficient, and if it exceeds 1.0, the workability is lowered and the yarn-making property is deteriorated.
  • the intrinsic viscosity of the polyester polymer is more preferably 0.5 to 0.8. When a plurality of polyester polymers are used, it is preferable that the intrinsic viscosity of the mixture is within the above range.
  • the fiber fabric used in the present invention is preferably constituted by the core-sheath type composite fiber of the present invention alone or in combination with the core-sheath type composite fiber and the polyamide fiber and / or the polyester fiber.
  • fibers other than polyamide fibers and polyester fibers may be included that do not decompose by application of a fiber decomposition processing agent such as polyurethane fibers and acrylic fibers.
  • the fibers that are not decomposed by the application of the fiber decomposition processing agent can be combined by a method such as blending, blending, knitting, knitting or knitting.
  • the ratio of the core-sheath type composite fiber is not particularly limited as long as it is a ratio at which a desired design expression and expansion / contraction characteristic change are manifested by decomposition and removal of the polyester component, preferably 30. ⁇ 100% by mass. If the ratio of the core-sheath type composite fiber is less than 30% by mass, there is a possibility that the design expression and the functional (stretchability) change due to the difference between the decomposed part and the undecomposed part cannot be obtained sufficiently.
  • the outer shape of the core-sheath composite fiber may be any of a round cross section, a polygonal cross section, a multileaf cross section, and other known cross sectional shapes in the fiber cross section.
  • the shape of the core may be any of a round cross section, a polygonal cross section, an irregular cross section, and other known cross sectional shapes.
  • the core part may be in the central part of the whole, or may be an eccentricity that is not the central part. Further, the number of cores may be a single core or a multi-core structure such as a 2-core or 3-core as long as the required strength can be maintained.
  • the fiber cross section (a) has a round cross section for both the core and the sheath, and the core has a concentric shape that is not exposed on the fiber surface.
  • the fiber cross section (b) has a shape in which the core portion is eccentric in the fiber cross section (a).
  • the fiber cross section (c) has a multilobal core in the fiber cross section (a).
  • the fiber cross section (d) is a fiber cross section (a) in which the sheath is multilobed.
  • the fiber cross section (e) has a shape in which a part of the core is exposed on the fiber surface in the fiber cross section (a) and the sheath forms a C shape.
  • the outer shape of the sheath portion is polygonal, and the core portion becomes narrower toward the fiber surface when the core portion is exposed through the sheath portion.
  • the fiber cross section (g) has a multi-core core in the fiber cross section (f).
  • the fiber cross section (h) has a multi-lobed core and is exposed on the fiber surface.
  • the fiber cross section (i) is an example in which the core of the fiber cross section (b) is exposed on the fiber surface.
  • a fiber cross-sectional shape in which both the polyamide component and the polyester component can be dyed is preferable.
  • a cross-sectional shape in which a part of the polyamide component of the core part is exposed on the fiber surface as in (f), (g), (h) and (i) is particularly preferable.
  • the interface between the polyamide component and the polyester component has poor affinity, the polyamide component is exposed on the fiber surface, so that the fiber decomposition processing agent can easily penetrate into the interface and promote the decomposition.
  • the core-sheath type composite fiber used in the present invention is usually produced by a melt composite spinning method.
  • the cross-sectional area ratio between the core part and the sheath part (hereinafter referred to as the core-sheath ratio) is preferably set to a ratio of 20/80 to 80/20, particularly 30/70 to 70/30.
  • the ratio of the cross-sectional area of the core is less than 20%, the fiber strength after the fibers in the sheath are decomposed and removed may be insufficient.
  • the ratio of the cross-sectional area of the core portion exceeds 80%, the difference between the decomposed portion and the undecomposed portion cannot be obtained even after the fiber decomposition processing, and there is a concern that it is difficult to express the design.
  • the degree of fiber decomposition is small, there is a possibility that a change in functionality (stretchability) may not be obtained for the purpose of controlling stretchability by fiber decomposition.
  • the core-sheath type composite fiber used in the present invention is preferably such that, in its cross-sectional shape, a part of the polyamide component of the core part is exposed on the fiber surface, that is, the sheath part.
  • the ratio at which the core part is exposed to the sheath part can maintain the strength after fiber decomposition processing, and the design expression and functionality (stretchability) change due to the difference between the decomposed part and the undecomposed part can be obtained. If it is, it will not specifically limit, but 1 to 40% on the outer periphery of a sheath part is preferable, and 1 to 30% is further more preferable.
  • both the core part and the sheath part are made of a polyester component, and the core part is composed of the same polyester component as the sheath part even if there is a difference in the degradability between the polyester polymer of the core part and the polyester polymer of the sheath part.
  • the core portion may also be decomposed, which causes a decrease in strength.
  • the polyester component is strongly damaged, so that there is a high possibility that the strength of the core portion is reduced.
  • disassembly condition setting is difficult and the danger of strength deterioration becomes high.
  • by making the core portion a polyamide component it becomes easy to set the decomposition conditions of the polyester component of the sheath portion, and it is also possible to avoid the risk of strength deterioration due to the decomposition of the core portion.
  • the core-sheath type composite fiber is processed into a processed yarn such as a taslan yarn, a covering yarn, or a false twist to the extent that does not affect the degradability of the polyester component due to fiber decomposition, and the fiber fabric of the present invention. May be used.
  • a processed yarn such as a taslan yarn, a covering yarn, or a false twist to the extent that does not affect the degradability of the polyester component due to fiber decomposition
  • the fiber fabric of the present invention May be used.
  • the core-sheath type composite fiber used in the present invention is preferably used as a multifilament yarn, and the single yarn fineness is usually 1 to 10 dtex, more preferably 1 to 4 dtex, and further preferably 1 to 2 dtex. . If the single yarn fineness is less than 1 dtex, the strength of the fiber fabric may be greatly reduced after fiber decomposition processing. If the single yarn fineness exceeds 10 dtex, the polyester fiber cannot be sufficiently decomposed and removed, and may remain as a residue, causing problems such as uneven dyeing in a later step.
  • the total fineness of the multifilament yarn by the core-sheath type composite fiber used in the present invention is usually 10 to 220 dtex, preferably 33 to 110 dtex. If the total fineness is less than 10 dtex, it may be difficult to form a fiber fabric such as weaving or knitting, and the strength of the fiber fabric may be greatly reduced after fiber decomposition processing. Conversely, if the total fineness exceeds 220 dtex, the spinning operability may be deteriorated. Moreover, there exists a possibility that it cannot fully decompose and remove in a fiber decomposition
  • the yarn constituting the fiber fabric is not cut as a result of the decomposition.
  • the fiber fabric is excellent in sharpness at the boundary portion between the decomposed portion and the undecomposed portion.
  • the production method of the core-sheath type composite fiber used in the present invention is not particularly limited as long as it is a production method to be a core-sheath type composite fiber.
  • two extrusions for forming a sheath part and for forming a core part It can be obtained using a melt compound spinning machine constituted by a machine. That is, first, the polyamide chip for forming the core part and the polyester chip for forming the sheath part are dried.
  • a known apparatus such as a vacuum dryer or a hopper dryer can be appropriately selected and used.
  • tip for core formation it is preferable to use the polyamide chip
  • tip for sheath part formation it is preferable to use the polyester chip
  • Each dried polymer is put into an extruder for forming the sheath and forming the core.
  • Each polymer is melted and kneaded by an extruder, introduced into a spinning head so that polyamide becomes a core and polyester becomes a sheath, and melt-spun from a core-sheath type composite nozzle.
  • the spun fiber is cooled and solidified, and after cooling and solidification, a spinning oil agent is applied using an oil supply applying device. Thereafter, the fiber is wound up by a scissor to obtain a core-sheath type composite undrawn yarn.
  • the scraping speed is not particularly limited, but is preferably in the range of 400 to 2000 m / min.
  • the obtained undrawn yarn is subjected to a drawing treatment with a twisting machine.
  • a drawing treatment with a twisting machine.
  • the desired core-sheath type composite fiber is set by setting the draw ratio to 2.5 to 5.0 times, the draw speed to 300 to 1000 m / min, and the temperature to 25 to 160 ° C. Can be obtained. It is also possible to obtain by a direct spinning drawing method or a higher-order processing such as false twisting as necessary after making a POY yarn.
  • the fiber decomposition processing step Application of the fiber decomposition processing agent to the fiber fabric is preferably performed by a printing method or an inkjet method.
  • a printing method a printing paste containing a fiber decomposition processing agent in a paste is printed on a desired portion of the fiber fabric.
  • ink containing the fiber decomposition processing agent hereinafter referred to as a fiber degradable ink. Is applied to a desired portion of the fiber fabric by an inkjet method.
  • the fiber decomposition processing agent used in the present invention is not particularly limited as long as the non-degradable fiber (polyamide component) is less damaged and the decomposed fiber (polyester component) is decomposed, but aluminum nitrate, sodium sulfate, guanidine weak acid
  • examples thereof include known fiber decomposition processing agents such as salts, polyhydric alcohol ethylene oxide adducts obtained by adding 2 mol or more of ethylene oxide to polyhydric alcohols, and polyhydric alcohol ethylene oxide adducts and quaternary ammonium salts.
  • guanidine weak acid salt is preferred because it has a large fiber degradation effect and is excellent in terms of environment and safety.
  • the pH of the aqueous solution is as low as 10 to 13, and the safety of work and the device are less likely to be corroded.
  • guanidine carbonate is particularly preferable. The reason why the polyester component is decomposed by the guanidine carbonate is presumably because the guanidine carbonate is decomposed into urea and ammonia in the heat treatment step performed after the application of the guanidine carbonate, so that it changes into a strong alkali. it is conceivable that.
  • Fiber decomposition processing agent decomposes and removes the polyester component of the sheath by the application to form a desired pattern composed of a region (part) where the polyamide component of the core part is exposed and a region (part) where it is not. Is granted as follows.
  • a commonly used printing machine such as a roller printing machine or a screen printing machine is used.
  • Printing of the printing paste on the fiber fabric is performed by a commonly used printing method such as roller printing or screen printing.
  • the paste is not particularly limited, and known pastes are used, and natural, processed, semi-synthetic and synthetic pastes such as wheat starch, tragacanth gum, locust bean gum, polyvinyl alcohol and sodium polyacrylate are used alone. Alternatively, two or more kinds can be mixed and used.
  • the fiber is decomposed by dry heat or wet heat treatment, and the fiber component of the present invention can be produced by removing the polyester component decomposed by the printing paste and washing treatment.
  • a dye and / or polyamide fiber capable of coloring the polyester fiber (including the polyester component of the core-sheath type composite fiber used in the present invention). It is also possible to simultaneously apply a dye capable of coloring (including the polyamide component of the core-sheath type composite fiber used). That is, the above-mentioned fiber decomposing agent, polyester fiber dye and polyamide fiber dye can be used alone or in combination, mixed with printing paste, and printed, allowing the colored pattern to be colored on the surface of the decomposed part on the same fiber fabric. Thus, only various processes such as the decomposition process, the decomposition process, the coloring process of the decomposition part, and the coloring process of the undecomposed part can be performed at the same time.
  • the depth and width of the decomposition part can be freely adjusted by using an ink jet method as a method for applying the fiber decomposition processing agent.
  • a precise design at the level of one pixel can be freely expressed without restrictions on the pattern as in the textile printing type.
  • a large amount of drainage is not discharged, so it can be said that it is excellent in terms of environment.
  • the ink jet printing apparatus used when applying the fiber decomposition processing agent by the ink jet method is not particularly limited as long as it does not thermally decompose the fiber decomposition processing agent and the dye ink used as the coloring ink.
  • any of a continuous method such as a charge modulation method, a charge ejection method, a micro dot method and an ink mist method, an on-demand method such as a piezo conversion method and an electrostatic suction method can be adopted.
  • the piezo conversion method is preferable because it is excellent in stability of ink discharge amount and continuous discharge property and can be manufactured at a relatively low cost.
  • the amount of the fiber decomposition processing agent applied is preferably in the range of 1 to 50 g / m 2 , more preferably 5 to 30 g / m 2 .
  • the applied amount is less than 1 g / m 2 , it tends not to be decomposed.
  • it exceeds 50 g / m 2 the amount becomes more than necessary, and therefore the cost tends to increase.
  • the concentration of the fiber decomposition processing agent is preferably in the range of 10 to 35% by mass, and more preferably in the range of 15 to 30% by mass. If it is less than 10% by mass, it tends not to be sufficiently decomposed. On the other hand, if it exceeds 35% by mass, the fiber decomposition processing agent is close to the solubility limit in water, which may cause nozzle clogging such as the occurrence of precipitates, and tends to be unable to discharge stably for a long time.
  • the viscosity of the fiber-decomposable ink is preferably 1 to 10 cps, more preferably 1 to 5 cps at 25 ° C. If it is less than 1 cps, the ejected ink droplets are split during the flight, and it is difficult for the ink to land at the target location, so that the boundary between the decomposed portion and the undecomposed portion tends to be difficult to understand. On the other hand, if it exceeds 10 cps, it tends to be difficult to eject ink from the nozzle due to high viscosity.
  • the ink receiving layer instantaneously receives the fiber-decomposable ink ejected from the nozzle and appropriately holds it, so that bleeding of the fiber-decomposable ink can be prevented.
  • the ink receiving layer is usually formed of an ink receiving agent mainly composed of a water-soluble polymer.
  • the water-soluble polymer include sodium alginate, methyl cellulose, hydroxymethyl cellulose, carboxymethyl cellulose, starch, guar gum, polyvinyl alcohol, and polyacrylic acid. Two or more of these may be used in combination. Among them, it is preferable to use carboxymethylcellulose which is excellent in alkali resistance, low in cost and fluidity.
  • the ink-receiving layer can contain a reduction inhibitor, a surfactant, a preservative, a light resistance improver, and the like as necessary.
  • the ink receiving agent is preferably applied in an amount of 1 to 20 g / m 2 in terms of solid content, and more preferably 2 to 10 g / m 2 .
  • the applied amount is less than 1 g / m 2 , the ink receiving ability is inferior, so that the ink tends to bleed or fall through.
  • it exceeds 20 g / m 2 the fiber fabric becomes hard, and therefore the transportability in the ink jet printer tends to be poor, and the acceptor tends to easily fall off from the fiber fabric during handling.
  • examples of the application method include a dip nip method, a rotary screen method, a knife coater method, a kiss roll coater method, and a gravure roll coater method.
  • the dip nip method is preferable in that an ink receiving layer can be applied not only to the surface of the fiber fabric but also to the entire fiber fabric, and a fiber fabric having excellent ink receiving ability can be produced.
  • an ink capable of coloring polyester fibers and / or an ink capable of coloring polyamide fibers simultaneously with the fiber decomposition processing agent. That is, by preparing an ink set including the fiber-decomposable ink, the polyester fiber-colored ink, and the polyamide fiber-colored ink, and appropriately selecting and printing the ink, the colored pattern is colored on the decomposed portion on the same fiber material. It is possible to perform various processes such as only the decomposition process, the decomposition process, the coloring process of the decomposed part, and the coloring process of the undecomposed part at the same time. In addition to the fiber-degradable ink, a drying inhibitor, a preservative, a water-soluble dye, and the like can be added as necessary.
  • a colorant including colored ink, dye, and pigment
  • decomposition disassembly processing is not required and when coloring only a polyester fiber, a polyester fiber colorant is selected and provided. Decomposition is not required, and when only the polyamide fiber is colored, a polyamide fiber colorant is selected and printed.
  • the polyamide fiber in the core needs to be exposed in the sheath.
  • the resulting color pattern may have unevenness or white blurring, resulting in poor quality.
  • each colorant is printed at the same location, and the polyester fiber and the polyamide fiber are colored simultaneously.
  • polyester fiber colorant a colorant in which a disperse dye excellent in fastness, sharpness and color developability is dispersed in water can be mainly used.
  • a colorant in which a pigment is dispersed in water or a cationic dyeable polyester fiber a colorant in which a cationic dye is dissolved or dispersed in water can be used.
  • the polyamide fiber colorant a colorant in which a reactive dye, an acid dye or a metal complex dye is dissolved in water can be used.
  • the reactive dye is preferably a reactive dye having at least one selected from a monochlorotriazine group, a monofluorotriazine group, a difluoromonochloropyrimidine group, a trichloropyrimidine group, and the like as a reactive group.
  • Reactive dyes having other reactive groups are prone to hydrolysis in an alkaline atmosphere, and when mixed with an ink containing a fiber decomposition processing agent on a fiber fabric, the reactive groups decompose and color the polyamide fiber. Concentration is likely to decrease.
  • a colorant capable of coloring the fibers can be appropriately selected and printed.
  • a preferable heat treatment condition for decomposing the polyester component of the core-sheath composite fiber is 160 to 190 ° C. for about 10 minutes.
  • the polyester component may be insufficiently decomposed, and when a colored ink is applied by an ink jet method, particularly the polyester fiber may be insufficiently colored.
  • the temperature exceeds 190 ° C., the polyamide fiber is insufficiently colored, and a phenomenon such as yellowing of the fiber due to thermal deterioration tends to occur.
  • the heat treatment may be either dry heat treatment or wet heat treatment.
  • the ink receiving layer remaining on the fiber cloth is not fixed.
  • a washing treatment is preferably performed for the purpose of removing the dye.
  • the conditions for the washing treatment are not particularly limited.
  • the treatment may be carried out using a fiber decomposition accelerator 1 to 5 g / L at a hot water treatment temperature of 70 to 100 ° C. for 10 to 60 minutes. Further, it may be treated with 2 to 15 g / L NaOH aqueous solution.
  • the fiber degradation accelerator examples include aliphatic amine salt cationic surfactants, quaternary ammonium salt cationic surfactants of aliphatic amine salts, aromatic quaternary ammonium salt cationic surfactants, and heterocyclic quaternary ammonium salts.
  • a cationic surfactant or the like can be used.
  • the polyester component can be completely decomposed and removed by heat treatment and washing treatment after applying the fiber-degradable processing agent.
  • the burst strength of the fiber decomposition portion of the fiber fabric of the present invention is not particularly limited as long as the strength of the fabric according to the intended use can be maintained. When emphasizing the expression of detailed design, it may be 150 kPa or less, but it is preferably 200 kPa or more when it is desired to express functionality due to stretchability or power difference in inner applications such as underwear.
  • the strength of the core-sheath composite fiber at the disassembly portion when the yarn constituting the fiber fabric of the present invention is extracted is preferably 2.5 to 5.0 cN / dtex.
  • the strength of the core-sheath composite fiber in the decomposed portion is preferably 120 cN or more, and the strength of the core-sheath composite fiber in the undecomposed portion is preferably 200 cN or more in order to develop a strength difference from that after decomposition. Furthermore, when the ratio of the strength of the decomposed portion to the strength of the undecomposed portion (the strength of the core-sheath composite fiber of the decomposed portion / the strength of the core-sheath composite fiber of the undecomposed portion) ⁇ 100) is 30% or more, A difference in strength is easily developed, and it is easy to obtain an inner use or the like having a difference in pressure.
  • the present invention it is possible to obtain a fiber fabric excellent in sharpness of the boundary, in which no deterioration in quality due to fraying of the yarn (filament breakage) occurs at the boundary between the decomposed portion and the undecomposed portion.
  • the disintegrated part has improved elasticity because the tissue becomes loose. Since physical expression such as expansion / contraction difference, strength difference, air permeability difference, etc. is possible between the decomposed part and the undecomposed part, a fiber fabric rich in variations can be obtained by combining the decomposed part and the undecomposed part. .
  • the fiber fabric of the present invention has the above-described excellent effects, it is particularly preferably used for sports applications such as swimwear and fitness clothing and inner uses such as spats, girdles, shorts and brassieres.
  • the sheath component is a copolymerized polyethylene terephthalate composed of terephthalic acid, ethylene glycol, 5-sodium sulfoisophthalic acid (1.5 mol% with respect to the acid component), DEG 4.8 mol% and PEG 3.0 mass% with a molecular weight of 600 ( A core-sheath type composite fiber (fineness: 100 dtex / 48f, strength: 3.5 cN / dtex, elongation: 44.5%, core, except that the melting point is 237 ° C. and the intrinsic viscosity is 0.60) The degree of exposure was 0%, and the strength of only the core portion was 2.7 cN / dtex).
  • ⁇ Fiber c> The core-sheath composite fiber (fineness: 70 dtex / 48f, strength: 4.0 cN / dtex, elongation: 44.) except that the fineness is changed by changing the core-sheath ratio to 67/33. 2%, core exposure: 0%, strength of core only: 2.7 cN / dtex).
  • the core-sheath composite fiber (fineness: 100 dtex / 48f, strength: 3) is the same as the fiber b except that the fiber cross-sectional shape is (i) in the fiber cross-section shown in FIG. 1 and the core exposure is 8.9%.
  • ⁇ Fiber e> A core-sheath composite fiber (fineness: 100 dtex / 48f, strength: 3.4 cN / dtex, elongation: 37.5%, strength of the core only, except that the core exposure is 5.2%) : 3.1 cN / dtex).
  • the sheath component was copolymerized polyethylene terephthalate (melting point 241) composed of terephthalic acid, ethylene glycol, 5-sodium sulfoisophthalic acid (2.3 mol% with respect to the acid component), DEG 4.8 mol%, and molecular weight 8000 PEG 10% by mass.
  • the core-sheath type composite fiber fineness: 100 dtex / 48f, strength: 3.4 cN / dtex, elongation: 42.3%, core exposure) : 0%, strength of core part only: 2.6 cN / dtex).
  • the core-sheath composite fiber (fineness: 100 dtex / 48f, strength: 3.2 cN / dtex, elongation: 32.4) is the same as the fiber b. %, Core part exposure: 0%, strength of core part only: 3.8 cN / dtex).
  • the core-sheath composite fiber (fineness: 100 ctex / 48f, strength: 4.4 cN / dtex, elongation: 49.2) is the same as the fiber b except that the core-sheath ratio of the core-sheath composite fiber is changed to 90/10. %, Core exposure: 0%, strength of core only 4.3 cN / dtex).
  • the core-sheath composite fiber (fineness: 100 dtex / 48f, strength: 3.1 cN / dtex, elongation: 30.4) is the same as the fiber d. %, Core exposure: 8.9%, strength of core only: 5.4 cN / dtex).
  • the core-sheath composite fiber (fineness: 100 dtex / 48f, strength: 4.0 cN / dtex, elongation: 42.8) is the same as the fiber d except that the core-sheath ratio of the core-sheath composite fiber is changed to 80/20. %, Core exposure degree 8.9%, strength of core only: 3.8 cN / dtex).
  • the core-sheath composite fiber (fineness: 100 dtex / 48f, strength: 3.7 cN / dtex, elongation: 38.4) is the same as the fiber d, except that the core exposure of the core-sheath composite fiber is changed to 40%. %, Core exposure 40%, strength of core only: 3.3 cN / dtex).
  • the core-sheath composite fiber (fineness: 100 dtex / 48f, strength: 3.6 cN / dtex, elongation: 36.6) is the same as the fiber d except that the core-part exposed degree of the core-sheath composite fiber is changed to 50%. %, Core exposure: 50%, strength of core only: 3.3 cN / dtex).
  • the sheath component is a copolymerized polyethylene terephthalate composed of terephthalic acid, ethylene glycol, 5-sodium sulfoisophthalic acid (1.5 mol% with respect to the acid component), DEG 4.8 mol% and PEG 3.0 mass% with a molecular weight of 600 ( A core-sheath type composite fiber (fineness: 100 dtex / min) as in the case of the fiber a except that the melting point is 237 ° C. and the intrinsic viscosity is 0.60) and the core component is unmodified polyethylene terephthalate (melting point 256 ° C. and the intrinsic viscosity is 0.63). 48f, strength: 4.2 cN / dtex, elongation: 32.0%).
  • a core-sheath type composite fiber (fineness: 100 dtex / 48 f, strength: 4.2 cN / dtex) is the same as the fiber b except that the core component is nylon 6 (melting point: 225 ° C., relative viscosity: 2.98) and it is melted at 270 ° C. , Elongation: 48%, core exposure: 0%, strength of core only: 4.2 cN / dtex).
  • a core-sheath type composite fiber (fineness: 100 dtex / 48 f, strength: 4.8 cN / dtex) is the same as the fiber b except that the core component is nylon 6 (melting point: 225 ° C., relative viscosity: 3.37) and it is melted at 280 ° C. , Elongation: 36%, core exposure: 0%, strength of core only: 4.7 cN / dtex).
  • ⁇ Fiber p> 1 except that the core component is nylon 6 (melting point: 225 ° C., relative viscosity: 2.98) and melts at 270 ° C.
  • a core-sheath composite fiber fineness: 100 dtex / 48f, strength: 4.1 cN / dtex, elongation: 48%, strength of the core only: 4.0 cN / dtex) with a part exposure of 8.9% was obtained. .
  • the fiber cross-sectional shape is the same as the fiber d in the fiber cross-section shown in FIG.
  • a core-sheath composite fiber fineness: 100 dtex / 48f, strength: 4.8 cN / dtex, elongation: 36%, strength of the core only: 4.7 cN / dtex
  • the core component is nylon 6 (melting point 225 ° C., relative viscosity 2.98) and melted at 270 ° C., while the sheath component is terephthalic acid, ethylene glycol, 5-sodium sulfoisophthalic acid (1.5 mol with respect to the acid component) %), DEG 4.8 mol%, and copolymerized polyethylene terephthalate (melting point: 237 ° C., intrinsic viscosity: 0.595) composed of PEG of 4.8 mol% and molecular weight of 600, terephthalic acid, ethylene glycol, 5-sodium sulfoisophthalic acid (acid) 2.3 mol%), DEG 4.8 mol%, and copolymerized polyethylene terephthalate (melting point 241 ° C., intrinsic viscosity 0.770) composed of 10% by mass of PEG having a molecular weight of 8000 were mixed at a weight ratio of 6/4
  • the fiber shown in FIG. 1 has the same cross-sectional shape as the fiber d except that it melts at 290 ° C.
  • the core-sheath composite fiber having a core exposure degree of 8.9% in the cross section (fineness: 100 dtex / 48f, strength: 4.2 cN / dtex, elongation: 40%, strength of the core only: 4) .1 cN / dtex).
  • a knitted fabric A (thickness: 1 mm) having a Kanoko structure was obtained using the fiber a prepared above. Further, the obtained knitted fabric A was scoured and set under general conditions.
  • Inkjet printing was performed under the following conditions so as to obtain a predetermined pattern.
  • Printing device On-demand serial scanning ink jet printing device Nozzle diameter: 50 ⁇ m Drive voltage: 100V Frequency: 5kHz Resolution: 360 dpi Fibre-degradable ink printing amount: 40 g / m 2
  • Example 2 shows the evaluation of the obtained fiber fabric.
  • Example 2 The fiber fabric of Example 2 was obtained in the same manner as in Example 1 except that the fiber b created above was used.
  • Example 3 shows the evaluation of the obtained fiber fabric.
  • Example 3 The fiber fabric of Example 3 was obtained in the same manner as in Example 1 except that the fiber c created above was used.
  • Example 4 shows the evaluation of the obtained fiber fabric.
  • Example 4 The fiber fabric of Example 4 was obtained in the same manner as in Example 1 except that the fiber d created above was used.
  • Example 5 shows the evaluation of the obtained fiber fabric.
  • Example 5 The fiber fabric of Example 5 was obtained in the same manner as in Example 1 except that the fiber e created above was used.
  • Example 6 The fiber fabric of Example 6 was obtained in the same manner as in Example 1 except that the fiber f created above was used.
  • Example 7 The fiber fabric of Example 7 was obtained in the same manner as in Example 1 except that the fiber g prepared above was used.
  • Example 8 All were manufactured in the same process as Example 1 except having used the fiber h created above, and the fiber fabric of Example 8 was obtained.
  • Example 9 The fiber fabric of Example 9 was obtained in the same manner as in Example 1 except that the fiber i created above was used.
  • Example 10 A fiber fabric of Example 10 was obtained in the same manner as in Example 1 except that the fiber j created above was used. Further, when the core-sheath composite fiber constituting the obtained fiber fabric of Example 10 was extracted, the strength of the decomposed portion was 301.4 cN, and the strength of the undecomposed portion was 402.3 cN. The ratio of the strength of the decomposed portion to the strength of the undecomposed portion was 75%. Table 2 shows the evaluation of the obtained fiber fabric.
  • Example 11 shows the evaluation of the obtained fiber fabric.
  • Example 12 Except for using the fiber k prepared above, all were manufactured in the same process as in Example 1 to obtain a fiber fabric of Example 11. Further, when the core-sheath composite fiber constituting the obtained fiber fabric of Example 11 was extracted, the strength of the decomposed portion was 165.8 cN, and the strength of the undecomposed portion was 374.3 cN. The ratio of the strength of the decomposed portion to the strength of the undecomposed portion was 44%. Table 2 shows the evaluation of the obtained fiber fabric.
  • Example 12 shows the evaluation of the obtained fiber fabric.
  • Example 13 Except for using the fiber l prepared above, all were manufactured in the same process as in Example 1 to obtain a fiber fabric of Example 12. Further, when the core-sheath composite fiber constituting the obtained fiber fabric of Example 12 was extracted, the strength of the decomposed portion was 164.7 cN, and the strength of the undecomposed portion was 358.1 cN. The ratio of the strength of the decomposed portion to the strength of the undecomposed portion was 46%. Table 2 shows the evaluation of the obtained fiber fabric. Example 13
  • the knitted fabric A using the fiber a prepared above was subjected to fiber decomposition processing according to the following method.
  • the composition of the following prescription 3 was mixed, and the viscosity was adjusted to 40000-50000 cps by adding water and a paste to obtain the intended fiber decomposition processing agent.
  • the obtained fiber decomposition processing agent was applied by a rotary printing machine so that the coating amount after drying was about 4 g / m 2 per unit area.
  • the knitted fabric was dried at 110 ° C. for 2 minutes, and then wet-heat treated at 110 ° C. for 10 minutes using an HT steamer. Furthermore, in a soaping bath containing 2 g / L of Tripol TK (Daiichi Kogyo Seiyaku Co., Ltd., nonionic surfactant), 2 g / L of soda ash, and 1 g / L of hydrosulfite at 80 ° C. for 10 minutes. After the treatment and washing, the fiber fabric of Example 13 having a decomposed part and an undecomposed part was obtained by washing with water and drying. Table 2 shows the evaluation of the obtained fiber fabric.
  • Example 14 A fiber fabric of Example 14 was obtained in the same manner as in Example 1 except that the fiber a created above was used instead of a knitted fabric of Kanoko structure and a twill textured fabric was used. Table 2 shows the evaluation of the obtained fiber fabric.
  • Example 15 A fiber fabric of Example 14 was obtained in the same manner as in Example 1 except that the fiber a created above was used instead of a knitted fabric of Kanoko structure and a twill textured fabric was used. Table 2 shows the evaluation of the obtained fiber fabric.
  • Example 15 A fiber fabric of Example 14 was obtained in the same manner as in Example 1 except that the fiber a created above was used instead of a knitted fabric of Kanoko structure and a twill textured fabric was used. Table 2 shows the evaluation of the obtained fiber fabric.
  • Example 15 A fiber fabric of Example 14 was obtained in the same manner as in Example 1 except that the fiber a created above was used instead of a knitted fabric of Kanoko structure and a twill textured fabric was used. Table 2 shows the evaluation of the obtained fiber fabric.
  • Example 15 The fiber fabric of Example 15 was obtained in the same manner as in Example 1 except that the fiber n created above was used.
  • Example 16 The fiber fabric of Example 16 was obtained in the same manner as in Example 1 except that the fiber o created above was used.
  • Example 17 shows the evaluation of the obtained fiber fabric.
  • Example 17 The fiber fabric of Example 17 was obtained in the same manner as in Example 1 except that the fiber p created above was used.
  • Example 18 shows the evaluation of the obtained fiber fabric.
  • Example 18 The fiber fabric of Example 18 was obtained in the same manner as in Example 1 except that the fiber q created above was used.
  • Example 19 shows the evaluation of the obtained fiber fabric.
  • Example 19 The fiber fabric of Example 19 was obtained in the same manner as in Example 1 except that the fiber r created above was used.
  • Each of the fiber fabrics of Examples 1 to 19 is excellent in sharpness at the boundary between the decomposed portion and the undecomposed portion by the fiber decomposition processing agent, and forms a high-quality design due to the difference between the decomposed portion and the undecomposed portion.
  • the fiber fabrics of Comparative Examples 1 to 3 were inferior in sharpness at the boundary portion between the decomposed portion and the undecomposed portion, and a high-quality design could not be formed.
  • Examples 4, 5, 9, 10, 17 to 19, in the fiber cross section a part of the polyamide component is exposed on the fiber surface and the core portion exposure is 1 to 30%. The sheath part was excellent in removability, and the boundary quality between the decomposed part and the undecomposed part and the design expression were excellent.
  • the present invention is based on Japanese Patent Application No. 2010-160025 filed on July 14, 2010.
  • the specification of the Japanese Patent Application 2010-160025, claims, and the entire drawing are incorporated in the present specification.
  • the present invention is excellent in the sharpness of the boundary portion between the decomposed portion and the undecomposed portion, and is suitable for a fiber fabric suitable for imparting design properties and partial functionality.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Multicomponent Fibers (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Decoration Of Textiles (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Knitting Of Fabric (AREA)
  • Woven Fabrics (AREA)

Abstract

La présente invention concerne un tissu fibreux composé entièrement ou partiellement de fil constitué de fibres composites âme-gaine. La partie d'âme des fibres composites âme-gaine est composée de constituants polyamide, la partie gaine est composée de constituants polyester, et il existe des parties dans lesquelles les constituants polyester de la partie de gaine ont été retirés au moyen d'un agent de traitement de dégradation de la fibre et des parties dans lesquelles lesdits constituants n'ont pas été retirés. Le tissu fibreux présente une excellente netteté dans les sections limites entre les parties dans lesquelles les constituants polyester de la partie de gaine ont été retirés au moyen de l'agent de traitement de dégradation de la fibre et les parties dans lesquelles lesdits constituants n'ont pas été retirés, et est adapté à fournir des dessins et des fonctionnalités partielles, par exemple l'élasticité.
PCT/JP2011/066639 2010-07-14 2011-07-14 Tissu fibreux et son procédé de fabrication Ceased WO2012008617A1 (fr)

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CN113050568A (zh) * 2017-02-22 2021-06-29 苏州普力玛智能电子有限公司 一种假捻丝的质量监测方法及监测系统

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WO2020158530A1 (fr) 2019-01-30 2020-08-06 東レ株式会社 Article tissé hydrofuge, son procédé de production, et vêtement

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CN113050568A (zh) * 2017-02-22 2021-06-29 苏州普力玛智能电子有限公司 一种假捻丝的质量监测方法及监测系统

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