WO1997005308A1 - Fibres de polyester et produit de coloration d'une etoffe constituee d'un melange fibreux renfermant ces fibres de polyester - Google Patents

Fibres de polyester et produit de coloration d'une etoffe constituee d'un melange fibreux renfermant ces fibres de polyester Download PDF

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Publication number
WO1997005308A1
WO1997005308A1 PCT/JP1996/002160 JP9602160W WO9705308A1 WO 1997005308 A1 WO1997005308 A1 WO 1997005308A1 JP 9602160 W JP9602160 W JP 9602160W WO 9705308 A1 WO9705308 A1 WO 9705308A1
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Prior art keywords
weight
fibers
fiber
dyeing
polyester fiber
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PCT/JP1996/002160
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English (en)
Japanese (ja)
Inventor
Jinichiro Kato
Tadashi Tanabe
Original Assignee
Asahi Kasei Kogyo Kabushiki Kaisha
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Application filed by Asahi Kasei Kogyo Kabushiki Kaisha filed Critical Asahi Kasei Kogyo Kabushiki Kaisha
Priority to EP96925962A priority Critical patent/EP0843030A4/fr
Publication of WO1997005308A1 publication Critical patent/WO1997005308A1/fr

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/34—Material containing ester groups
    • D06P3/52—Polyesters
    • D06P3/54—Polyesters using dispersed dyestuffs
    • 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
    • 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
    • D01F6/78—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolycondensation products
    • D01F6/86—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolycondensation products from polyetheresters
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/82—Textiles which contain different kinds of fibres
    • D06P3/8204—Textiles which contain different kinds of fibres fibres of different chemical nature
    • D06P3/8214—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing ester and amide groups
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/82—Textiles which contain different kinds of fibres
    • D06P3/8204—Textiles which contain different kinds of fibres fibres of different chemical nature
    • D06P3/8223—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing hydroxyl and ester groups
    • D06P3/8238—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing hydroxyl and ester groups using different kinds of dye
    • D06P3/8252—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing hydroxyl and ester groups using different kinds of dye using dispersed and reactive dyes
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/82—Textiles which contain different kinds of fibres
    • D06P3/8204—Textiles which contain different kinds of fibres fibres of different chemical nature
    • D06P3/8276—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing ester groups
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • D06P5/22—Effecting variation of dye affinity on textile material by chemical means that react with the fibre

Definitions

  • the present invention is capable of dyeing disperse dyes at a temperature of 95 ° C or less, and in particular, by dyeing various kinds of mixed dyes in which various dyes are mixed with dyes sufficiently and uniformly.
  • Polyester arrowheads with extremely good coloring properties of the intended dye (especially black dye) before dyeing ⁇
  • the present invention further relates to a polyester fiber which is excellent in cleaning fastness, light fastness, thermal properties, mechanical properties and productivity.
  • the present invention provides a coloring property and a fastness property by mixing the polyester fiber and at least one kind of fiber selected from cellulose fiber, wool, silk, stretch fiber, polyamide fiber and acetate. Also, it relates to a mixed fabric dyed material having an excellent texture.
  • the polyester fibers and the mixed fabric according to the present invention are useful for lining, women's outerwear, innerwear, and the like. Background art
  • polyester fibers and stretch fibers have been mixed.
  • polyester fibers instead of polyamide fibers solves the above problems associated with polyamide fibers.
  • new problems with dyeability arise.
  • at least 1 A dyeing temperature of 10 ° C or more is required, but under this temperature condition, polyurethane fibers undergo thermal degradation, causing serious problems such as a significant decrease in strength and yellowing. If the polyester fiber is dyed at normal pressure to avoid thermal deterioration of the polyurethane fiber, the polyester fiber cannot be dyed in a deep color because of the poor dyeability of the conventional polyester fiber.
  • Polyamide fibers are acid dyes that can be dyed at normal pressure and have advantages such as high strength. However, they have problems such as easy yellowing, lack of heat setting properties and dimensional stability. Therefore, it is conceivable to mix polyester fibers to eliminate these defects.
  • the dyeing temperature is high, which causes problems such as coloring of the polyamide fiber and hardening of the texture.
  • the thermal stability of polyamide textiles if dyeing at normal pressure, the dyeing properties of conventional polyester fibers are still inferior, so that polyester textiles cannot be dyed in a deep color.
  • Acetate fiber is a cellulosic fiber in which the hydroxyl group of the cellulose molecule is acetylated, so the basic molecular structure is similar to cellulose, but it is not dyeable to direct dyes and reactive dyes, and is usually used.
  • Dyeing is performed under normal pressure using a disperse dye. If high-pressure dyeing at more than 100 ° C. is performed, thermal degradation due to hydrolysis of the acetyl group is likely to occur, and a phenomenon that the fiber becomes cloudy white is observed. In particular, it is known that this tendency is likely to occur in diacetate fiber.
  • polyester fibers having improved dyeability for disperse dyes are known, but all have problems.
  • Polyester fibers with improved dyeing properties compared to conventional disperse dyes show easy dyeability for specific single dyes, but have certain properties for dyes mixed with various dyes. Dyes are exhausted, but some dyes are not exhausted, resulting in a difference in the exhaustion rate of each of the mixed dyes, and dyeing with the intended color before dyeing based on the mixing ratio of each mixed dye. There was a problem that the colors of the colored objects were different. This is a remarkable problem, especially for black dyes, and there is a problem that conventional easily dyeable polyester fibers have a different coloring property of black from that intended before dyeing.
  • polyester fibers those using copolymerized polyester as a raw material are known. Among them, those obtained by copolymerizing polyoxyethylene glycol-adipic acid are already known.
  • polyethylene terephthalate fiber obtained by copolymerizing only polyoxyethylene glycol examples include, for example, JP-A-3-40880, JP-A-3-174076, and JP-A-4-41732. And Japanese Patent Application Laid-Open No. Hei 4-41 738.
  • This fiber is a polyester fiber obtained by copolymerizing 6 to 10% by weight of polyoxyethylene terephthalate, and has been dyeable at 98 ° C.
  • the present inventors examined the characteristics of the fibers, they found that the light fastness and dry cleaning fastness were low due to the high copolymerization ratio of polyoxyethylene glycol. all right. In addition, dyeing at 98 ° C was achieved, but dyeing at 95 ° C was not achieved.
  • Fine denier is an indispensable element for softening the texture, and is a brand necessary for application to fields that require a soft feeling such as lining and women's outerwear. In this case, it is difficult to make fine denier, and the application is extremely limited.
  • these conventional easily dyed yarns have problems in dyeability, fastness, whiteness, polymerizability, and spinnability.
  • Polyester fibers obtained by copolymerizing polyethylene glycol and adipic acid are also known (for example, JP-A-63-8511, JP-A-63-235536).
  • JP-A-63-8511 discloses that 0.5% to 10% by weight of a polyether unit and 0.5% to 10% by weight of a dicarboxylic acid unit.
  • a polyester fiber having a copolymerized amount of 4% by weight of polyethylene glycol and 4% by weight of adipic acid is disclosed in the examples.
  • This fiber achieves a high exhaustion rate when dyed with a single anthraquinone dye.
  • this dye has a relatively small molecular weight among the disperse dyes (molecular weight is 349), it dyes and dyes the fiber. Thus, achieving high exhaustion with this dye does not mean that all dyes will exhibit high exhaustion.
  • this fiber was low in weight of adipic acid / weight% of polyethylene glycol, and it was difficult to dye a dye in which various dyes were mixed, and in particular, there was a tendency that the coloring property of a black dye was inferior.
  • this fiber has a high loss tangent peak temperature (hereinafter referred to as T max [° C]) determined from dynamic viscoelasticity measurement indicating the molecular density of an amorphous portion of the fiber, and thus various dyes are used.
  • T max [° C] loss tangent peak temperature
  • JP-A-63-235536 discloses a polyethylene terephthalate fiber in which 6% by weight of polyethylene glycol and 5.1% by weight of adipic acid are copolymerized. High exhaustion rate can be achieved, but due to the high copolymerization ratio of polyethylene glycol and high T max, it is still dry cleaning fastness, light fastness, whiteness, polymerizability, dyeing for compound dyes There were problems with the properties and spinnability.
  • polyester fibers obtained by copolymerizing glycols such as tetramethylethylene glycol and 1,4-cyclohexanediol JP-A-58-120815
  • Polyester fibers obtained by copolymerization of polyester and produced by a high-speed spinning method JP-A-59-199814
  • the polyester fibers obtained by these methods have improved dyeability, but are not dyeable at 95 ° C.
  • a high-speed spinning easily dyeable polyester fiber obtained by copolymerizing an aliphatic dicarboxylic acid having 8 or more carbon atoms is known (Japanese Patent Application Laid-Open No. 5-98512).
  • polyester fibers have high dyeing properties, but have problems such as extremely poor dry cleaning fastness and poor texture of the resulting fabric due to low thermal stress.
  • a method is known in which a metal sulfonate is easily dyed by spinning a copolymerized polyester at a high speed (Japanese Patent Publication No. 60-10126).
  • this fiber has the disadvantage of low strength and, consequently, low burst strength of the fabric, and cannot be used substantially for the purposes of the present invention.
  • the polyester obtained by copolymerizing metal sulphonate contains a large amount of infusible material in which the metal sulphonate has been modified, if the spinning time is prolonged, the spinning pack becomes clogged and spinning becomes impossible.
  • Polyester fibers obtained by copolymerizing 5-sodium sulfophthalic acid and adipic acid in order to enhance the dyeing properties are known (JP-A-51-133529, JP-A-55-158325). JP-A-61-239015).
  • JP-A-51-133529, JP-A-55-158325 JP-A-61-239015.
  • the object of the present invention cannot be achieved because the dyeability at 95 ° C is insufficient.
  • carrier dyeing As a method for improving the dyeing method and the post-treatment method, for example, carrier dyeing is known.
  • Carya dyeing uses a high-boiling organic compound such as a phenol derivative, an aromatic halogen compound, or a biphenyl derivative for the dyeing bath, it has a drawback that the waste liquid treatment and workability are significantly deteriorated.
  • a method is known in which the polyester fiber obtained by high-speed spinning is subjected to a wet heat treatment at 180 to 300 to enhance the dyeing property ( JP-A-58-136825, JP-B-63-73650).
  • polyester fibers that have high dyeability at 95 ° C or less and that have excellent dyeing properties for compounded dyes in which various disperse dyes are mixed have been used. Not industrially produced. Also
  • polyester fibers having improved dyeing properties to some extent have problems in dry cleaning fastness, light fastness, heat properties, polymerizability, spinnability and the like. Disclosure of the invention
  • Polyester fiber and its fiber and cellulose fiber, wool, silk, stretch fiber and polyamide fiber which are excellent in light fastness, thermal properties, mechanical properties and productivity in dyeing processing
  • An object of the present invention is to provide a mixed fabric dyed article using one type of fiber, which is excellent in color developability, fastness and texture.
  • the present inventors have selected adipic acid from among dicarboxylic acids, particularly in polyester fibers using polyethylene terephthalate obtained by copolymerizing polyethylene glycol and dicarboxylic acid, and made the copolymerization ratio extremely high.
  • the inventor has found that there is, and has led to the present invention.
  • the first aspect of the present invention is a polyethylene having an average molecular weight of 500 to 4,000.
  • Polyethylene terephthalate obtained by copolymerizing 1.5 to 4.5% by weight of glycol and 9 to 6% by weight of adipic acid, and 1.3 ⁇ weight% of adipic acid / weight% of polyethylene glycol ⁇
  • This polyester fiber satisfies 6 and has a peak loss tangent temperature of 90 to 108 ° C.
  • the second aspect of the present invention is a mixed fabric dyed article using the polyester fiber and the cell opening fiber
  • the third aspect of the present invention is that the polyester fiber and the wool or silk are used.
  • the fourth aspect of the present invention is a mixed fabric dyed article characterized by using the polyester fiber and the stretch fiber
  • the fifth aspect of the present invention is a mixed cloth dyed article characterized by using the polyester fiber and the stretch fiber.
  • a mixed fabric dyed article using the polyester fiber and the polyamide fiber is characterized in that the polyester fiber and the acetate fiber are used. Mixed fabric dyed.
  • the polymer constituting the polyester fiber of the present invention is obtained by copolymerizing 1.5 to 4.5% by weight of polyethylene glycol having an average molecular weight of 500 to 4000 and 9 to 6% by weight of adipic acid, so that 1.3 ⁇ adipine. It is a copolyester composed of polyethylene terephthalate that satisfies the weight percent of acid and the weight percent of polyethylene glycol ⁇ 6. In order to obtain sufficient dyeability and fastness at 95 ° C, two copolymer components of polyethylene glycol and adipic acid are indispensable. Polyethylene terephthalate prepared by copolymerizing only 1.5-4.5% by weight of polyethylene glycol having an average molecular weight of 500-4000% by weight is used.
  • the term "dyeability" as used herein refers to the performance of the fiber, in which the dye is sufficiently dyed on the fiber and the density dyeing is achieved, and most simply, the dye is used as exemplified in the examples described later. The dye exhaustion rate from the bath Can be evaluated.
  • Polyethylene glycol used as a copolymer component is a copolymer component that is extremely effective for improving dyeability.
  • the average molecular weight is less than 500, since polyethylene glycol having a considerably low molecular weight is contained, it is distilled off under reduced pressure during polymerization under a high vacuum, and the amount of polyethylene glycol contained in the obtained polymer is not constant. . Therefore, the strength and elongation characteristics, dyeing properties, heat characteristics, etc. of the raw yarn are not uniform, and the characteristics of the product vary.
  • the average molecular weight exceeds 4,000, the amount of high-molecular-weight polyethylene glycol not copolymerized in the polymer increases, so that the dyeing properties, dry cleaning fastness, and light fastness decrease.
  • Adipic acid which is used as a copolymer component, contributes to the improvement of dyeability because the amorphous structure of the fiber is appropriately disturbed.
  • an aliphatic dicarboxylic acid component other than adipic acid carbon number 6
  • carbon number 6 an aliphatic dicarboxylic acid component other than adipic acid
  • the thermal stability of the polymer decreases, and the whiteness decreases. This is because the decrease in thermal stability is proportional to the number of moles of the methylene group adjacent to the lipoxyl group.
  • adipic acid is a very excellent copolymer component selected from a very limited and narrow range. The reason for this is not clear, but can be estimated as follows. That is, although adipic acid has four methylene groups, this length substantially corresponds to the length of the benzene ring of terephthalic acid.
  • the amount of polyethylene glycol should be 1.5 to 4.5% by weight. is there. If the amount of polyethylene glycol is less than 1.5% by weight, the dyeing properties will be poor. If it is more than 5% by weight, the light fastness is deteriorated, the polymer is colored at the polymerization stage, and the bumping and bubbling phenomena become remarkable in the high-vacuum polymerization, making it difficult to polymerize. It becomes a polymer. There are also problems with spinnability, such as an increased incidence of yarn breakage and fluff, and difficulty in achieving fine denier. The best balance of dyeability, fastness, polymerizability and spinnability is 2-4% by weight.
  • the optimal amount of adipic acid is 9 to 6% by weight, depending on the amount of polyethylene glycol. If the amount of adipic acid is less than 6% by weight, the dyeability at 95 ° C will be insufficient. On the other hand, when the content exceeds 9% by weight, the heat resistance is reduced, and only a fabric having a firm texture can be obtained. Unless a good balance between dyeability and fastness, and a copolymerization ratio with good polymerizability and spinnability is selected, there is no practicality. In order to enhance the dyeability, it is better to copolymerize as much polyethylene glycol as possible.
  • the ratio of polyethylene glycol to adipic acid is a very important requirement in order to enhance the dyeability of the dye.
  • R value 1.3 ⁇ % by weight of adipic acid Z% by weight of polyethylene glycol
  • the copolymerization ratio of polyethylene glycol is high, so that an amount of polyethylene glycol or adipic acid that achieves normal pressure dyeability is copolymerized to achieve light fastness and dryness. The leaning strength decreases.
  • the copolymerization ratio of adipic acid increases, and when copolymerizing polyethylene glycol and adipic acid in an amount that achieves normal pressure dyeability, the heat resistance decreases. However, in the process of heat setting, etc., the fabric becomes hard, and the texture is reduced. Even when the composition satisfies the condition of 1.3 ⁇ R value ⁇ 6, as the value of R value increases, the texture of the obtained mixed fabric product tends to become firm. In order to soften the texture, it is desirable to select this value to be 4 or less, especially 3 or less. Further, the preferred R value for exhibiting excellent coloring properties when dyed with the compounding dye is 1.7 to 6, and the more preferred R value is 1.7 to 4.
  • a copolymer component having a polyester forming ability such as another diol or oxycarboxylic acid is contained in a range of 10% by weight or less, preferably 5% by weight or less. Is also good. However, in this case, it is necessary that the copolymer component is of such a degree that the robustness does not decrease.
  • additives such as anti-glazing agents, heat stabilizers, anti-foaming agents, A coloring agent, a flame retardant, an antioxidant, an ultraviolet absorber, an infrared absorber, a crystal nucleating agent, an optical brightener, and the like may be copolymerized or mixed as necessary.
  • the polyester fiber used in the present invention is constituted.
  • the polymer may be used as it is in the case of polyethylene glycol, in the case of adipic acid, or It can be produced by adding to the reaction system as a lower alkyl ester such as methyl ester, dimethyl ester, getyl ester, bis (oxyethyl) ester and copolymerizing. At that time, these copolymer components can be added as they are or after being dispersed, dissolved, or heat-treated in a suitable solvent such as ethylene glycol.
  • a suitable solvent such as ethylene glycol.
  • Dimethyl terephthalate and dimethyl adipate are subjected to an ester exchange reaction in ethylene glycol at 200-240 ° C in the presence of catalytic amounts of manganese acetate, calcium acetate, cobalt acetate, etc., to produce terephthalic acid and adipic acid. Both ends are oxethylated. In this case, the end point of the reaction is the time when the theoretical amount of methanol comes out. Thereafter, polyethylene glycol and antimony trioxide as a polycondensation catalyst are added, and polymerization is performed under reduced pressure at 260-290.
  • the polyester fiber of the present invention needs to have a peak loss tangent temperature determined by dynamic viscoelasticity measurement of 90 to 108 ° C. This is because the excellent dyeability required by the present invention can be ensured in this range. Since Tmax corresponds to the molecular density of the amorphous part, the smaller the value, the smaller the molecular density of the amorphous part, so that the space for the dye to enter becomes larger and the dye becomes easier to enter. , The exhaustion rate increases ⁇
  • the polyester of the present invention can be used. Fibers can not only achieve 95 ° C dyeability with a single dye, but also have excellent dyeability with all disperse dyes when dyed with a blended dye in which various disperse dyes are mixed. As a result, the intended development of color development before dyeing is achieved. In particular, the coloring property of black when dyed with a black dye is extremely excellent.
  • T max is a structural factor of a fiber, spinning temperature, spinning speed, draw ratio, heat treatment temperature, scouring conditions, alkaline reduction conditions, and dyeing conditions even for polymers having the same copolymer composition. It shows different values depending on spinning conditions and post-processing conditions. In particular, since this value varies greatly with the heat set temperature, it is important to change the heat set temperature to keep T ma in the above range. Roughly speaking, the concept of setting the heat set temperature is as follows.In the case of the copolyester specified in the present invention, T max gradually increases when the heat set temperature ranges from room temperature to about 160 ° C. However, if it exceeds about 160 ° C, it will drop significantly thereafter.
  • the melting point of the polyester fiber of the present invention is 230-245. If the melting point is less than 230 ° C, the polyester fiber undergoes thermal denaturation during normal processing, such as heat setting, and during normal use, such as iron mouth. Physical properties and texture will change. When the melting point exceeds 245 ° C, spinnability decreases.
  • the polymer constituting the polyester fiber of the present invention has a special composition, and the spinning temperature for achieving good spinning needs to be about 255 to 270 in terms of the spinning surface temperature. Therefore, if the melting point of the polymer exceeds 245 ° C., the temperature of the extruder must be set high to melt the polymer, and it becomes difficult to maintain this spinning surface temperature.
  • the polyester fiber of the present invention can be obtained by a normal method in which an undrawn yarn is stretched by a factor of about 2 to 3.5 times at a winding speed of about 1500 mZmin, or by a direct drawing method in which a spinning-drawing process is directly connected. Can be. There is nothing that cannot be done even by a high-speed spinning method with a winding speed of 5000 m Z niin or more, but the orientation of the amorphous part is too low (T max is too small) and the robustness is low. Not a preferred spinning method.
  • the spinning conditions are not particularly limited, and spinning can be performed under known conditions. However, it is necessary to control the surface temperature of the spout.
  • the surface temperature of the spinneret be around 255-270 ° C. If the temperature is less than 255 ° C, the temperature becomes insufficient and slabs are generated, so that many yarn breaks occur. In addition, spinning can be performed at about 270 to 300 ° C, but the number of yarn breaks and fluff is high due to increased yarn bending.o
  • K / S which is the deep chromaticity when dyed at 95 ° C
  • the K / S measurement method follows the method described in the examples.
  • the dye used in the evaluation of the dyeability has a large molecular structure (molecular weight is 518), so if this dye can be used, any kind of disperse dye can be used if high dyeability can be obtained. High dyeability can be ensured.
  • high staining property means that KZS is 20 or more. Therefore, when dyeing at 95 ° C, if K / S is 20 or more, It can be considered that the same coloring property was developed when the ester fiber was dyed at 130 ° C. Such color development is usually achieved when the exhaustion rate is about 75% or more.
  • the fastness to dry cleaning is 3 or higher.
  • the dry cleaning fastness in the present invention evaluates liquid contamination. This evaluation method is described in Examples.
  • the evaluation items of the robustness include water fastness, washing fastness, sublimation fastness, friction fastness, and the like, but according to the study of the present inventors, dry cleaning fastness is class 3 or higher. If present, in the polyester fiber of the present invention, practically necessary various fastnesses such as water fastness, washing fastness, sublimation fastness, friction fastness and the like, except for light fastness, are all industrial problems. It is known that there is no level.
  • the dry cleaning fastness is an index indicating the overall dyeing fastness of the polyester fiber of the present invention. Therefore, when the fastness is 3 or higher, the obtained dyed product is practical and has good fastness. Further, in order to be able to be used for the outer layer, it is necessary that the dyeing conditions of the present invention show a light fastness of 3-4 or more, preferably 4 or more.
  • the mixed fabric dyed product of the present invention comprises the polyester fiber of the present invention and at least one selected from the group consisting of cellulose fibers, wool, silk, stretch fibers, polyamide fibers, and acetate fibers.
  • This is a mixed fabric dyed product characterized by using fibers.
  • the form and mixing method of the polyester fiber of the present invention are not particularly limited, and known methods can be used. Examples of the mixing method include interwoven fabric used for warp or weft, woven fabric such as reversible woven fabric, and knitted fabric such as tricot and rassel. May be applied.
  • the cellulose fibers used in the present invention are not particularly limited, and include natural fibers such as cotton and hemp, cuprammonium rayon, rayon, polynosic, and the like.
  • the content of the polyester fiber in the mixed fabric is not particularly limited, but is preferably 25 to 75% in order to make use of the texture, moisture absorption, water absorption, and antistaticity of the cellulose fiber.
  • the content of the polyester fiber in the mixed fabric is not particularly limited, but is preferably 25 to 75% in order to make use of the wool texture, warmth, bulkiness, and silk texture and squeak sound.
  • the stretch fiber used in the present invention is not particularly limited, and may be dry-spun or melt-spun polyurethane fiber, polybutylene terephthalate fiber, or polytetramethylethylene glycol ether.
  • Examples include polyester elastic yarns represented by copolymerized polybutylene terephthalate fibers.
  • the content of the polyester fiber is preferably about 60 to 98%.
  • the content of the ester fiber exceeds 70%, the elastic property is suppressed, so that it can be used for outerwear, casual wear, etc. If it is less than 70%, it can be used for innerwear, foundation, swimwear, etc. due to its elastic properties.
  • polyamide fibers used in the present invention existing fibers such as Nylon 66 and Nylon 6 having substantially an amide group can be used as they are.
  • the content of the polyester fiber in the mixed fabric is not particularly limited, but is preferably 25 to 75% in order to take advantage of the texture of the polyamide fiber.o
  • the acetate fiber used in the present invention may be a diacetate fiber or a triacetate fiber, but the effect of the present invention can be sufficiently obtained by mixing with the acetate fiber having a lower heat stability. it can .
  • Disperse dyes are used for dyeing acetate textiles in the same way as polyester fibers. However, by mixing with the polyester fibers of the present invention, dyeing can be performed at a temperature of 95 ° C or less. Inexpensive processing can be achieved.
  • the content of the polyester fiber in the mixed fabric is not particularly limited, but is preferably 25 to 75% in order to make use of the texture, clarity, and brightness of the acetate fiber.
  • fibers other than those specified in the present invention can be mixed as long as the object of the present invention is not impaired.
  • a small amount of wool, cotton, silk, rayon, cuprammonium rayon, polyamide fiber, polyacryl fiber, acetate fiber, acryl fiber, etc. may be mixed. In this case, it is possible to add physical properties unique to the newly mixed textile.
  • the mixed fabric dyed product of the present invention can be obtained by knitting and weaving, then scouring and dyeing according to a conventional method. Also, if necessary, after scouring and before dyeing, carry out an alkali reduction treatment by a conventional method. Refining is performed at a temperature of 60-98 ° C. In the case of blending with stretch fiber, scouring while relaxing is more preferable because it improves the elasticity. The dyeing is carried out at 95 ° C or lower without using a carrier at a temperature of 95 ° C or lower.
  • the polyester fiber of the present invention has a disperse dye, the cellulose fiber has a reactive dye or a direct dye, and the acetate fiber has a disperse dye, wool, or the like.
  • Silk and polyamide fibers are dyed with acid dyes.
  • two-stage one-bath dyeing or two-stage two-bath dyeing may be performed. After dyeing, perform washing or reduction washing by a known method.
  • the stretch fibers are polyurethane fibers, perform reduction washing to remove the disperse dye contaminating the polyurethane fibers firmly. This is important in improving the robustness of the fabric. It is important.
  • These methods may be known methods. For those that fix the form before and after staining, it is preferable to dry set at a temperature of 140-190, preferably at 160-180.
  • the mixed fabric dyed product of the present invention can be dyed at 95 ° C. or lower because a specific polyester fiber is used.
  • the loss tangent (tan ⁇ ) and dynamic elastic modulus at each temperature were measured in dry air at a measuring frequency of 110 Hz and a heating rate of 5 ° C / min using a Leo vibron manufactured by Orientec. From the result, a loss tangent-one temperature curve was determined, and Tmax (° C), which is a peak temperature of the loss tangent, was determined on this curve. It was determined at a heating rate of 5 ° C / min and a measurement frequency of 110 Hz.
  • the measurement was performed using a DSC manufactured by Seiko Denshi Co., Ltd. at a heating rate of 20 ° C Zrain in a nitrogen stream of 100 mL Z rain.
  • the peak value of the melting was defined as the melting point.
  • the sample is a single piece knitted fabric of polyester fiber and score roll 400
  • the mixture was scoured at 70 ° C for 20 minutes using warm water containing 2 g / L, dried in a tumbler-dryer, and then heat-set at 180 ° C for 30 seconds using a pin tenter. One used.
  • the exhaustion rate was evaluated based on the exhaustion rate after the temperature was raised from 40 ° C to 95 ° C and further maintained for 1 hour.
  • Dye is Riyaron Polyester Blue 3RSF (Nippon Kayaku Co., Ltd .: molecular weight 518)
  • the dispersant used was Nitka Sun Salt 7000 (manufactured by Nichika Chemical Co., Ltd.).
  • the pH was adjusted to 5 by adding 0.25 mL ZL acetic acid and 1 g / L sodium acetate.
  • the exhaustion rate was determined by measuring the absorbance A of the dye stock solution and the absorbance a of the dye solution after dyeing using a spectrophotometer, and substituting into the following formula.
  • the absorbance the value at 580 nm, which is the maximum absorption wavelength of the dye, was used.
  • the deep chromaticity which indicates how deep the dye was, was evaluated using K / S. This value was obtained by measuring the spectral reflectance R of the sampled cloth after dyeing and using the Kubelka-Munk equation shown below. The larger this value, the greater the deep color effect, ie, the better the color development. As R, the value at 580 nm, which is the maximum absorption wavelength of the dye, was adopted.
  • Dry cleaning fastness was determined in accordance with JIS-L-0860, and light fastness was determined in accordance with JIS-L-0842. Washing fastness was determined in accordance with JIS-L-0844.
  • Poly When examining the fastness of the ester fiber, evaluation was carried out using 500 mg of the one-piece knitted fabric dyed by the method of (3).
  • a test piece adjusted to 2.5 cm in width and 16 cm in length was attached to a tensile tester at a distance of 10 cm between the chucks, and an elongation recovery curve was drawn up to an elongation rate of 80%, and the residual elongation (L ') was read.
  • L was set to 80%.
  • PEG1000 polyethylene glycol having an average molecular weight of 1000
  • 0.016 parts of trimethyl phosphate as a stabilizer 0.01 parts of antimony trioxide as a polycondensation catalyst, and 0.01% of an antiglare agent 0.1 part of titanium dioxide was added, and prepolymerization was performed in 50 minutes. The pressure was further reduced gradually, and finally the reaction was performed at 275 ° for 2 hours and 40 minutes at 0.5 Torr.
  • a modified polyester with 7 sp / c 0.80 was obtained in chip form.
  • the composition of the polymer thus obtained was PEG1000, 2 wt% and DMA 7 wt% by NMR analysis.
  • the obtained polymer chip was dried at 130 ° C under a nitrogen stream of lOOLZmin for 20 hours, and then spun at a spinning temperature of 270 and a spinning speed of 1500 mZmin using a spout having 36 round holes.
  • a drawn yarn was prepared.
  • the obtained undrawn yarn is hot-rolled with a hot roll 80, hot-plated at 160 ° C, drawn at a draw ratio of 2.8, drawn at a drawing speed of 800 m / min, and twisted to give a 75 denier (d) 36 filler.
  • the stretched yarn of the ment (f) was obtained. Strength is 5.1 g / d, elongation was 31% and Tmax was 103 ° C.
  • the dyeability of the polyester fiber of the present invention can be determined by a conventional method (a method in which an undrawn yarn is wound once and then drawn, a so-called competing method), which is spun by a polyethylene terephthalate fiber (Tmax: 136 °). It can be evaluated by comparing the dyeability of C) with a blue disperse dye at 130 ° C for 60 minutes. In this case, comparing by K / S is good because you can directly compare the color density.
  • the dye was dyed at 6% owf and a bath ratio of 1:50 using Riki Yarn Polyester Bull 3RSF (manufactured by Nippon Kayaku Co., Ltd.) to obtain 130 ° of polyethylene terephthalate fiber by the usual method.
  • Example 2 A polymerization • spinning experiment was performed in the same manner as in Example 1 except that the copolymer composition was varied. The results are summarized in Table 1. In each case, good dyeability, fastness, and various physical properties were exhibited.
  • Example 1 was repeated with the molecular weight of polyethylene glycol changed to 2000, 3000, and 4000.
  • the fiber properties of the obtained polyester fiber were almost the same as in Example 1.
  • KZS was 21.5 to 21.7, and there was no big difference.
  • the durability of dry cleaning and light In all cases, they were all 4th grade.
  • Polyester fibers having the copolymer composition shown in Table 1 were prepared and subjected to various evaluations. Those deviating from the copolymer composition of the present invention have poor dyeing properties or fastness or other properties and are not practical.
  • Comparative Examples 2 and 5 bumping sometimes occurred in a high vacuum state during polymer polymerization, and a phenomenon was observed in which the contents of the kettle were transferred to a vacuum line. When sudden bumping was severe, the equipment had to be disassembled and cleaned. The obtained polymer was also yellowed.
  • the bite knitted fabrics of Examples 3 and 4 were prepared using Sumikaron Black S-BF (Disperse Dye, manufactured by Sumitomo Chemical Co., Ltd.) 5% owf at a pH of 6, a bath ratio of 1:50, a dyeing assistant, and Nitsuka Sun Salt 7000. (Nichika Chemical Co., Ltd.), and stained at 95 ° C.
  • the L value (brightness) of the obtained dyed product was 15.5 and 15.3, respectively, and a sufficiently dark black color appeared.
  • the knitted fabrics of Comparative Examples 4, 7, and 8 were dyed under the same conditions, and the L values were 18.8, 18.3, and 19.5, respectively. It was a stain.
  • the black dye is usually a mixture of three types of dyes having absorption maximum peaks at around 400 nm, 500 nm, and 580 nm, respectively.
  • these three absorption peaks hardly remained.
  • the absorption at 580 nm disappeared by 90% or more in each case, but the absorption at 400 nm and 500 nm remained more than 30% of the stock solution.
  • polyester fiber of the present example when dyed with a compounded dye, has good dye exhaustion for all the individual dyes, and those that depart from the scope of the present invention are the individual dyes.
  • Example 7 showing no high exhaustion variability for the dye
  • a plain woven fabric was prepared using a 75 dZ72i polyester fiber prepared in the same manner as in Example 1 using a warp and a 75 d / 44 f cuprammonium rayon as a weft.
  • This plain fabric was scoured and mercerized by a conventional method. The mercerization process was carried out at room temperature by immersion in a 75% sodium hydroxide aqueous solution. After neutralization, water washing, and presetting at 180 ° C for 30 seconds, one-step single-bath dyeing with a disperse dye and a reactive dye was performed without using a carrier.
  • disperse dyes Riyaron Polyester Blue BRSF (Nippon Kayaku Co., Ltd.)
  • Dorimerable I-X-GN manufactured by Sando
  • a dispersant 1 gZL of Disperse TL (manufactured by Meisei Chemical Co., Ltd.) is used, 50 gZL of sodium sulfate and 15 g / L of sodium carbonate are added, and a dye is added to an aqueous solution adjusted to pH 11 for dyeing. Liquid. Staining was performed at 95 ° C for 1 hour at a concentration of 2% owf and a bath ratio of 1:50. After dyeing, sorbing was performed at 80 ° C for 10 minutes at 1 g / L Granup P (manufactured by Sanyo Chemical Industries) at a bath ratio of 1:50. After dyeing, finishing was performed by a conventional method.
  • the obtained dyed product was dyed uniformly and had a good texture. 1: 3 went for 21.5.
  • the dry cleaning fastness was grade 4, and the light fastness was grade 4.
  • Example 7 Using the polyester fibers of Examples 3 and 4, one-step single-bath dyeing was performed in the same manner as in Example 7.
  • the obtained dyed product was uniformly dyed, had a good feel, and had KZS of 21, 7 and 22.0, respectively.
  • the fastness Regarding the fastness, the dry cleaning fastness was 3 or 4 and the light fastness was 4th.
  • Example 7 was repeated using the polyester fiber of Comparative Example 4.
  • the obtained dyed product was not dyed uniformly. This is because the coloring property of the polyester fiber is low due to the low dyeability of the used polyester fiber.
  • Example 7 was repeated using the polyester fiber of Comparative Example 6. Although the obtained dyed product was uniformly dyed, both the fastness to dry cleaning and the fastness to light were of class 2 to 3, which was unsuitable for practical use. Also, since it was a 75d / 72f fine denier fiber, fluffing occurred frequently.
  • Example 9
  • Polyethylene terephthalate fiber copolymerized with 4% by weight of PEG1000 and 7% by weight of DMA was heat-treated in a swirling manner to obtain a bulky yarn.
  • the processing conditions were as follows: hot plate temperature: 195 ° C, number of twists: 3,400 turns / m, feed rate: 0.2%.
  • the obtained processed yarn was turned into a 150-denier double yarn and knitted with a wool No. 48 single yarn to prepare a double-sided reversible knitted fabric of a surface polyester and a back wool.
  • the mixing ratio of the polyester fiber was 45% by weight, the knitting conditions were 20 gauge, and the pot diameter was 20 inches.
  • the obtained knitted fabric was dyed according to a conventional method.
  • the dye used was Dyanix Black BGFS (200% product, manufactured by Dice Yuichi Japan) as the disperse dye, and Yakiron Black BGL (manufactured by Nippon Kayaku Co., Ltd.) was used as the acid dye.
  • Each concentration was set to 7% owf, and one-step single-bath dyeing was performed at 95 ° C in the presence of a dispersing agent under weak acidity. After staining, the plate was soaked at 70 ° C for 20 minutes in a weak alkaline bath containing 1 g, L of soda ash and 0.5 g of ZL nonionic detergent. The L value (brightness) of the obtained dyed product was excellent at 11.8. The lower the lightness, the darker the color. Both the dry cleaning fastness and the light fastness of the dyed product were grade 4.
  • Example 9 A polymerization • spinning experiment was performed in the same manner as in Example 9 except that the copolymer composition was changed in various ways. Table 2 summarizes the results. In each case, good dyeability and fastness were exhibited.
  • Polyester fibers having the copolymer composition shown in Table 2 were prepared, and various evaluations were made. Those deviating from the copolymer composition of the present invention had problems in dyeability or fastness.
  • Table 2 Sen Kasumiro (Cleaning R value, direct, robustness, dry cleaning)
  • Polyethylene terephthalate fiber (75d ⁇ 72 ⁇ ) copolymerized with 4% by weight of PEG1000 and 7% by weight of DMA is twisted at 300Tm, then glued with a roller to make a warp, and a silk thread (21dZ2f) is added to the weft.
  • a plain weave was used.
  • the dyes used were Dyanix Black BGFS (200% product, manufactured by Dyce Yuichi Japan) as the disperse dye, and Yakiro Black BGL (manufactured by Nippon Kayaku) as the acid dye. .
  • Each concentration was 7% owi, and one-step single-bath dyeing was performed at 95 ° C in the presence of a dispersing agent under weak acidity. After staining, sorbing was performed at 70 ° C for 20 minutes in a weak alkaline bath containing 1 g ZL of soda ash and 0.5 g / L of a nonionic detergent.
  • the L value (brightness) of the obtained dyed product was excellent at 11.1. The lower the lightness, the darker the color. Both the dry cleaning fastness and the light fastness of the dyed product were grade 4.
  • the dyed material had a silky texture and was good.
  • Example 13 was repeated except that the polyethylene terephthalate fiber was used.
  • the L value was 15.3, and the polyester fiber was only dyed pale.
  • the dyeing temperature was increased to 130 ° C and the dyeing was performed, the L value was 11.5.
  • the unique texture of silk was lost and the texture was firm.
  • Polyethylene terephthalate fiber 50 dZ 36 f with triangular cross section and 210 denier polyurethane urethane stretch fiber ⁇ squid (Asahi Chemical Industry) Warp knitted fabric was created using In this case, the gauge is 28G, the loop length is 1080mm / 480 course for normal pressure dyeable yarn, and 112mmZ480 course for stretch fiber. The driving density was 90 course inches. The mixing ratio of polyester fiber was set at 75.5%.
  • the obtained greige was relaxed at 90 ° C for 2 minutes and dried and set at 160 ° C for 1 minute. Adjust the pH to 6 with acetic acid in the presence of Dianix Black BG-FS (manufactured by Dice Yuichi Japan) at 8% owf and 0.5 g / liter of the dyeing aid Nitsuka Sun Salt 1200 in the presence of 0.5 g / liter. Staining was performed at a ratio of 1:30 at 95 for 60 minutes.
  • the blackness L value of the obtained dyed product was 12.3, indicating that the dyed product was sufficiently colored.
  • the elasticity recovery rate was 95.396, the washing fastness was class 5, and the light fastness was class 4. Also, they were softened and showed a waisted texture.
  • Example 14 was repeated changing the copolymer composition. In each case, good color development, fastness, and stretch recovery properties were exhibited. In addition, it was stretched with softness and showed a waisted texture.
  • Example 14 was repeated with the molecular weight of polyethylene glycol changed to 2000, 3000, and 4000.
  • the properties of the obtained dyed product were almost the same as those in Example 14.
  • the black lightness L value was 12.3 to 12.4, indicating that the color was sufficient.
  • the stretch recovery was about 95%
  • the washing fastness was class 5
  • the light fastness was class 4. Also, they were softened and showed a firm texture.
  • Polyethylene polyethylene fiber (75d Z72f) copolymerized with 4% by weight of PEG 1000 and 7% by weight of DMA (75d Z72f) was burned to 300 TZm, glued to the mouth, made into a warp, and 50d to a weft.
  • a plain woven fabric was prepared using three nylon 66 yarns of f.
  • the dye used was Kayalon Polyester Blue 3RSF as a disperse dye, and the Nyguchi Sun Blue N-GFL (manufactured by Sando) was used as an acid dye.
  • Each concentration was set to 5% owf, and one-step single-bath dyeing was performed at 95 ° C in the presence of a dispersant under weak acidity. After staining, soaping was performed at 70 ° C for 20 minutes in a weak alkaline bath containing 1 g / L of soda ash and 0.5 g of non-ionic detergent.
  • the KZS of the obtained dyed product was excellent at 21.0. Both the dry cleaning fastness and light fastness of the dyed product were class 4. The texture is soft and the color is the same as nylon 66.
  • Example 19 was repeated except that polyethylene terephthalate fiber (75dZ72f) copolymerized with PEG1000, 2% by weight and DMA 8% by weight was used.
  • the KZS of the obtained dyed product was 21.0, the dry cleaning fastness was grade 4, and the light fastness was grade 5 in all cases.
  • the texture was soft, and the same coloration as Nylon 66 was excellent.
  • Example 19 was repeated except that dyeing was carried out at 130 ° C and polyethylene terephthalate fiber (75d Z72f) was used.
  • the KZS of the obtained dyed product was 21.5, but the color of the dyed product was dull and the texture was lacking in softness.
  • Rikyarlon polyester rubble 3RSF was used as a disperse dye, and as a disperse dye, Rikyarlon first rubble RD200 manufactured by Nippon Kayaku Co., Ltd.).
  • Each concentration was set to 5% owf, and one-step single-bath dyeing was performed at 90 in the presence of a dispersing agent under weak acidity. After the staining, sorbing was performed at 70 ° C for 20 minutes in a weak alkaline bath containing 1 gZL of soda ash and 0.5 gZL of a nonionic detergent. The resulting dyed product had an excellent K / S of 20.1. Both the dry cleaning fastness and light fastness of the dyed product were class 4. The texture was soft and the clarity was excellent.
  • Example 21 was repeated except that polyethylene phthalate fibers (75d / 72i) copolymerized with PEG1000, 2% by weight and DMA 8% by weight were used.
  • the KZS of the obtained dyed product was 20.2, the dry cleaning fastness was grade 4, and the light fastness was grade 5 in all cases. The texture was soft and the clarity was excellent.
  • Example 21 was repeated except that the dyeing was carried out at 130 ° C. and a polyethylene terephthalate fiber (75d / 72f) was used. Although the KZS of the obtained dyed product was 21.5, the color of the dyed product was dull and the texture was lacking in softness. Industrial applicability
  • the polyester fiber of the present invention is dyed with a disperse dye at a temperature of 95 ° C or less at a concentration required for practical dyeing, and furthermore, the color fastness of the dyed material. Properties such as dry cleaning fastness, light fastness and thermal properties are comparable to those of conventional polyester fiber dyeings, and the mechanical properties of the fibers are not substantially reduced.
  • the polyester fiber of the present invention can be used in a compound dye dyeing blended with various disperse dyes without causing a difference in the exhaustion of the individual dyes constituting the compound dye, and a color which is usually intended by a commercially available compound dye. For example, black dyeing with a dye for black dyeing is possible.
  • the composite fabric in which the polyester fiber and the cellulose fiber, wool, silk, polyamide fiber, and stretch fiber of the present invention are mixed can substantially dye all of the mixed fiber material at the ordinary practical dyeing temperature of the mixed fiber. Therefore, a dyed fabric mixed with polyester woven fiber without impairing the properties of the fiber having poor heat stability can be provided by means of extremely high productivity.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Artificial Filaments (AREA)
  • Coloring (AREA)

Abstract

L'invention se rapporte à des fibres de polyester améliorées pouvant prendre une teinte rapidement et en profondeur au moyen de colorants dispersables à une température égale ou inférieure à 95 °C, et à des produits de coloration d'une étoffe constituée d'un mélange de fibres renfermant ces fibres de polyester et au moins un élément sélectionné parmi des fibres cellulosiques, de la laine, de la soie, des fibres d'acétate, des fibres polyamides et des fibres soumises à la traction. Les fibres sont en térephthalate de polyéthylène copolymérisé avec 1,5 à 4,5 % de polyéthylène glycol ayant un poids moléculaire moyen de 500 à 4000 et avec 9 à 6 % en poids d'acide adipique, ces fibres satisfaisant à la relation: 1,3 « (% en poids d'acide adipique)/(% en poids d'éthylène glycol) « 6 et ayant une température maximale de tangente d'angle de pertes comprise entre 90 et 108 °C. Les fibres peuvent être teintées avec des colorants dispersables à une température égale ou inférieure à 95 °C, les fibres teintées obtenues ayant une excellente solidité de teinture au nettoyage à sec et à la lumière, ainsi que d'excellentes propriétés thermiques. Les fibres peuvent être notamment teintées en noir avec un colorant mélangé, généralement utilisé en teinture industrielle à une température égale ou inférieure à 95 °C sans provoquer de variations au cours de l'évacuation de la teinture. Les propriétés de ces fibres ressortent même dans l'étoffe décrite ci-dessus constituée d'un mélange fibreux spécifique et permettent une teinture nette des étoffes en pièces. D'autre part, ce procédé permet la finition à haut rendement des étoffes teintes.
PCT/JP1996/002160 1995-07-31 1996-07-31 Fibres de polyester et produit de coloration d'une etoffe constituee d'un melange fibreux renfermant ces fibres de polyester WO1997005308A1 (fr)

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US6312805B1 (en) 2000-02-11 2001-11-06 E.I. Du Pont De Nemours And Company Cationic dyeability modifier for use with polyester and polyamide

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KR100530556B1 (ko) * 1999-11-20 2005-11-22 코오롱티티에이 주식회사 보호복용 고발색성 폴리에스테르 원단
KR20030023775A (ko) * 2001-09-14 2003-03-20 라이프존 주식회사 폴리에스터 혼합 편물의 제조방법
SI21189A (sl) * 2002-03-25 2003-10-31 Univerza V Ljubljani, Metoda predobdelave poliestra za znižanje izločanja oligomerov pri visokotemperaturnem kislem barvanju z disperzijskimi barvili
US20070055043A1 (en) * 2003-11-21 2007-03-08 Nadkarni Vikas M Modified polyethylene, terephthalate for low temperature dyeability, controlled shrinkage characteristics and improved tensile properties
WO2014118804A1 (fr) * 2013-01-29 2014-08-07 Aditya Birla Science & Technology Company Limited Fibre colorée en noir et formulation de colorant noir pour préparer ladite fibre
CN104032445B (zh) * 2013-03-08 2016-06-29 佛山市格绫丝绸有限公司 由醋酯纤维丝和聚酯纤维丝制作的服装面料及其制作方法
EP3141636B1 (fr) * 2015-09-11 2019-11-13 Parkdale Incorporated Compositions de polyester presentant des proprietes de teinture ameliorees
US10351995B2 (en) 2015-09-11 2019-07-16 Parkdale Incorporated Polyester composition with improved dyeing properties

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JPH0598512A (ja) * 1991-10-09 1993-04-20 Toray Ind Inc ポリエステル繊維
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Publication number Priority date Publication date Assignee Title
US6312805B1 (en) 2000-02-11 2001-11-06 E.I. Du Pont De Nemours And Company Cationic dyeability modifier for use with polyester and polyamide

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