WO2003038183A1 - Method of dyeing woven fabric comprising polyamide fiber - Google Patents

Method of dyeing woven fabric comprising polyamide fiber Download PDF

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Publication number
WO2003038183A1
WO2003038183A1 PCT/JP2002/011341 JP0211341W WO03038183A1 WO 2003038183 A1 WO2003038183 A1 WO 2003038183A1 JP 0211341 W JP0211341 W JP 0211341W WO 03038183 A1 WO03038183 A1 WO 03038183A1
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Prior art keywords
fabric
dyeing
antioxidant
fibers
polyamide
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PCT/JP2002/011341
Other languages
French (fr)
Japanese (ja)
Inventor
Yasuhiro Kawaguchi
Haruhiko Maeda
Gi Tsuda
Masahiro Saioka
Akihiro Kawahara
Original Assignee
Kanebo, Limited
Kanebo Gohsen Limited
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Application filed by Kanebo, Limited, Kanebo Gohsen Limited filed Critical Kanebo, Limited
Priority to JP2003540437A priority Critical patent/JPWO2003038183A1/en
Publication of WO2003038183A1 publication Critical patent/WO2003038183A1/en

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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
    • D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • D06P5/20—Physical treatments affecting dyeing, e.g. ultrasonic or electric
    • D06P5/2066—Thermic treatments of textile materials
    • D06P5/2072—Thermic treatments of textile materials before dyeing
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B21/00—Successive treatments of textile materials by liquids, gases or vapours
    • 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
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/64—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing low-molecular-weight organic compounds without sulfate or sulfonate groups
    • D06P1/651—Compounds without nitrogen
    • D06P1/65106—Oxygen-containing compounds
    • D06P1/65118—Compounds containing hydroxyl 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
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/667—Organo-phosphorus compounds
    • 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
    • D06P3/02—Material containing basic nitrogen
    • D06P3/04—Material containing basic nitrogen containing amide groups
    • D06P3/24—Polyamides; Polyurethanes

Definitions

  • the present invention relates to a cross-knitted fabric with a polyamide fiber-containing fabric, for example, a polyurethane fiber.
  • the present invention relates to a method of dyeing a textile or the like without causing dye spots.
  • JP-A-4-122477 discloses that a semicarbazide compound and a hindered phenol phosphite compound are applied when dyeing a fiber product comprising polyamide fiber Z polyurethane elastic fiber, It is disclosed to perform staining.
  • the present invention is intended to solve such a problem. It is an object of the present invention to improve and develop a method for improving dyeing spots on polyamide fibers by using an antioxidant, and to obtain an industrially stable, high-grade polyamide. It is to provide a dyed product. Disclosure of the invention
  • the present invention provides a method for dyeing after heat setting a fabric containing polyamide fibers, wherein the substantially dried fabric is immersed in an aqueous solution of a phenolic antioxidant, and then heated at a dry heat temperature of 170 or more.
  • This is a method for dyeing a polyamide fiber-containing fabric, which is characterized by dyeing after setting.
  • FIG. 1 is a schematic diagram showing an example of a part of the steps of the staining method of the present invention.
  • FIG. 2 is a schematic diagram showing an example of a part of the steps of the staining method of the present invention.
  • FIG. 3 is a schematic diagram showing an example of a part of the steps of the staining method of the present invention.
  • the fabric used in the present invention is not particularly limited as long as it contains a polyamide fiber, such as a woven fabric or a knitted fabric.
  • “contained” includes the use of composite yarn in addition to knitting and weaving with other fibers.
  • the present invention is significant when the polyamide fiber needs to be treated at a temperature higher than the normal heat setting temperature. Therefore, polyurethane-polyester elastic fibers and natural fibers such as polyester, polyacetate, and cotton are used. It is preferably a fabric mixed with other fibers. In this case, it is preferable that the polyamide fiber accounts for 10% by weight or more, more preferably 50% by weight or more of the whole fabric. This is because the effect of improving the above-mentioned stained spots becomes remarkable.
  • polyamide fibers examples include nylon 4, nylon 6, nylon 7, nylon 11, nylon 12, nylon 66, nylon 6,10, polymetaxyldecaneamide, and copolyamides containing these as components.
  • polyamide fiber it is preferable to use so-called Fuldal yarn containing lwt% or more of titanium oxide.
  • polyurethane fibers and polyester fibers are generally used as elastic fibers.
  • Such polyurethane fibers have a melting point of 200 to 300 ° C., and include those obtained by a dry heat spinning method or the like.
  • polyester-based elastic fibers include polybutylene terephthalate-based fibers.
  • the antioxidant used in the present invention is for preventing the progress of the radical chain reaction, and includes a phenol-based compound containing a phenol-based, monophenol-based, bisphenol-based, or polymer phenol-based as a main component. belongs to.
  • the amine-based materials and the like may cause discoloration in the processing step. It is particularly preferable to use a hindered phenol-based antioxidant, and for example, those having the following chemical structure are preferable.
  • the antioxidant it is important to uniformly apply these antioxidants.
  • the antioxidant can be treated with an aqueous system, and a water-soluble one is preferable.
  • antioxidants do not have good compatibility with water.
  • the compounds shown in (1) and (2) are relatively easy to make water soluble, and are preferred in the present invention. However, those containing chlorine or the like are preferably avoided because they may cause discoloration.
  • the greige fabric obtained by weaving using polyamide fibers is disintegrated (1), spontaneously shrunk (2), subjected to preliminary relaxation at room temperature (3), and subjected to wet heat relaxation. It is refined (4). Then, as shown in Fig. 2, through cooling and washing bath
  • the important step in the present invention is the step (8) of applying an antioxidant.
  • a drying treatment can include, but is not limited to, a dry heat treatment (7) using a chamber as shown in FIG.
  • a dry heat treatment at about 150 ° C. for several tens of seconds or more.
  • the treatment for applying the phenolic antioxidant is performed by immersion in an aqueous system. This is to provide the antioxidant uniformly. As described above, antioxidants are generally hardly soluble in water. For this reason, it is preferable to use the phenolic antioxidant as described above, but it is usually difficult to obtain a sufficient dissolved state by itself. Therefore, it is important to use both anionic and nonionic surfactants and to sufficiently dissolve the antioxidant before starting treatment. Specifically, it is necessary to dissolve the antioxidant in a small amount of hot water and then add it to the treatment bath.
  • the concentration of the antioxidant is preferably 0.1 g Zl or more, and more preferably 0.5 g Zl or more. However, when the concentration of the antioxidant is 20 g Z 1 or more, it is preferable to avoid dissolving and deteriorating the polyurethane elastic yarn, which may lower the product quality. Further, it is preferable to perform the treatment while maintaining the temperature of the immersion bath at about 25 to 35 ° C.
  • the so-called pad method in which the fabric is immersed in the treatment bath prepared as described above, and then squeezed and dewatered with a mangle or the like can be used for applying the antioxidant, provided that uniform treatment of the fabric is possible.
  • Other immersion methods may be used.
  • the pickup rate of the main component is preferably set to about 0.1 to 10%.
  • the fabric is subjected to heat setting to set polyamide fibers and the like.
  • the heat setting temperature of about 170 ° C. is sufficient for the polyamide fiber alone as described above, but there is little significance in adopting the method of the present invention.
  • the method of the present invention is significant when mixed with polyamide fibers and elastic fibers, particularly polyurethane fibers.
  • polyurethane fiber use polyurethane
  • the heat setting temperature may be set according to the characteristics of the tan fiber.
  • the treatment should be performed at a dry heat temperature of 205 ° C or less, more preferably 200 ° C or less. Is preferred.
  • Such heat setting can be performed using a normal tenter or the like.
  • the dyeing treatment may be appropriately selected according to the type of fiber to be used, and various methods such as finesse, zipper, beam, liquid jet dyeing machine and the like can be adopted. However, whichever method is employed, it is preferable that the treatment is such that the antioxidant provided in the previous step can be sufficiently removed. As described above, in the present invention, it is preferable that the above-described antioxidant is effectively present only during the heat setting of the polyamide fiber at a relatively high temperature.
  • Nylon 6 multifilament full-dull yarn 44 TZ10F titanium oxide content 1.7% by weight
  • polyurethane multifilament yarn 44TZ4F manufactured by Toray DuPont, set at a dry heat temperature of 150 ° C, 30%, with a melting point of 225
  • the antioxidant is a mixture of a hindered phenol-based antioxidant (20% by weight) having the following chemical structure, anionic and nonionic surfactants (70% by weight), and an aromatic ester (10% by weight).
  • the product (SF380: Takemoto Yushi) was completely dissolved in hot water 101 at 80 ° C and then added to the pad bath. In addition, the pickup rate of the pad treatment was set at 0.2%.
  • the purifying agent used was SAU Satsu ORL BL600 (manufactured by Nika Chemical Co., Ltd.).
  • the knitted fabric was dyed in an emerald green color using a phthalocyanine-based milling dye and evaluated.
  • Table 2 shows the results, including those without the antioxidant application step (8) and those with different concentrations of antioxidants.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Coloring (AREA)

Abstract

A method which is based on an improvement and progress of a method for diminishing dyeing spots on polyamide fibers with an antioxidant and by which a dyed polyamide article of high quality is industrially stably provided. The method in which a woven fabric comprising polyamide fibers is thermally set and then dyed, comprises immersing the fabric which has been substantially dried in an aqueous solution of a phenolic antioxidant, subsequently thermally setting the fabric in a dry atmosphere at a temperature not lower than 170°C, and then dyeing the fabric.

Description

ポリアミド繊維含有布帛の染色方法 Method for dyeing polyamide fiber-containing fabric
技術分野 本発明は、 ポリアミド繊維を含有する布帛、 例えばポリウレタン繊維との交編布 明 TECHNICAL FIELD The present invention relates to a cross-knitted fabric with a polyamide fiber-containing fabric, for example, a polyurethane fiber.
帛などを、 染め斑を生じることなく染色する方法に関する。 The present invention relates to a method of dyeing a textile or the like without causing dye spots.
細 背景技術 ポリアミド繊維を含有する布帛を染色する場合、 通常はポリアミド繊維の特性に 合わせて 1 7 0 °C前後で乾熱セット後染色が行われ、 この場合染色斑などの問題が 発生することは少ない。 しかし、 例えば、 ポリウレタン繊維などと混用した所謂ス トレツチ編物などにポリアミド繊維を用いた場合、 ポリウレタン繊維の熱セットを 行うためには 1 9 0 °C以上の乾熱セットが必要になる。 而して、 ポリアミド繊維に このような熱処理を施すと、 部分的に淡染状ぁるいは不染状の染色斑が発生するた め製品品位が低下するという問題がある。 かかる染色斑が発生する原因については明確ではないが、 ポリアミド繊維に残留 付着している油剤などの不純物が発熱現象などを生じ、 繊維を部分的に酸化せしめ てァミノ末端基を減少させているためではないかと推測される。 従来より、 かかる問題を解決する方法が検討されており、 溶剤系の精鍊剤を使用 する方法もあるが、 環境問題などもあり今日においては有効な方法とは言えない。 一方、 特開平 7— 4 8 7 8 2号公報には、 ポリアミド繊維含有繊維製品に対しヒン ダ一ドアミン化合物を付与し、次いで熱セット、染色を行うことが開示されている。 また、 特開平 4一 2 4 1 1 7 7号公報には、 ポリアミド繊維 Zポリウレタン弾性 繊維とからなる繊維製品を染色するに際し、 セミカルバジド化合物とヒンダードフ エノ一ルフォスファイト化合物を付与し、 熱セット、 染色を行うことが開示されて いる。 Background technology When dyeing a fabric containing polyamide fibers, the dyeing is usually performed after dry heat setting at around 170 ° C in accordance with the characteristics of the polyamide fibers, and in this case, problems such as spots may occur. Is less. However, for example, when polyamide fibers are used for a so-called stretch knit mixed with polyurethane fibers or the like, heat setting of polyurethane fibers requires a dry heat setting of 190 ° C. or more. Thus, when the polyamide fiber is subjected to such a heat treatment, there is a problem that the product quality is deteriorated due to the occurrence of partially light-colored or unstained colored spots. Although the cause of the occurrence of such staining spots is not clear, impurities such as oils remaining on the polyamide fibers cause heat generation and the like and partially oxidize the fibers to reduce the amino end groups. It is presumed that it is not. Conventionally, methods for solving such a problem have been studied, and there is a method using a solvent-based refining agent, but it cannot be said to be an effective method today due to environmental problems and the like. On the other hand, Japanese Patent Application Laid-Open No. 7-48782 discloses that a hindered amine compound is applied to a polyamide fiber-containing fiber product, followed by heat setting and dyeing. In addition, JP-A-4-122477 discloses that a semicarbazide compound and a hindered phenol phosphite compound are applied when dyeing a fiber product comprising polyamide fiber Z polyurethane elastic fiber, It is disclosed to perform staining.
しかしながら、 前記の如き従来技術には以下の如き問題点がある。  However, the conventional techniques as described above have the following problems.
すなわち、 特開平 7— 4 8 7 8 2号公報に開示されたヒンダ一ドアミン化合物を使 用する方法では、 加工工程で変色することが多いため、 高品位の製品を安定して製 造することが困難である。 That is, in the method using a hindered amine compound disclosed in Japanese Patent Application Laid-Open No. 7-48782, discoloration often occurs in the processing step, so that a high-quality product can be stably manufactured. Is difficult.
また、 ヒンダードァミン化合物は種類が少なく、 同公報に開示されたものを含め 水溶性のものが少ない。 このため、 一般的な浸漬方法などでは均一に付与を行うこ とが困難で、 染色斑を発生させないという目的を達成することが困難である。  In addition, there are few kinds of hinderdamine compounds, and there are few water-soluble compounds including those disclosed in the publication. For this reason, it is difficult to perform uniform application by a general immersion method or the like, and it is difficult to achieve the purpose of preventing the occurrence of stained spots.
この点は、 特開平 4一 2 4 1 1 7 7号公報に記載された発明においても同様であ り、 酸化防止剤が使用されているもののこれを均一に付与する点が十分に開示され ていないため安定して染色斑の無い製品を製造することが困難であった。  This point is the same in the invention described in Japanese Patent Application Laid-Open No. Hei 4-241177, which fully discloses that although an antioxidant is used, it is uniformly applied. Therefore, it was difficult to stably produce a product having no stain.
本発明はかかる問題点を解決するものであって、 その目的は、 酸化防止剤を使用 してポリアミド繊維の染色斑を改善する方法を改良発展させ、 工業的に安定して、 高品位のポリアミド染色品を提供することにある。 発明の開示  The present invention is intended to solve such a problem. It is an object of the present invention to improve and develop a method for improving dyeing spots on polyamide fibers by using an antioxidant, and to obtain an industrially stable, high-grade polyamide. It is to provide a dyed product. Disclosure of the invention
本発明は、ポリアミド繊維を含有する布帛を熱セット後、染色する方法において、 実質的に乾燥せしめた布帛をフエノール系酸化防止剤の水溶液に浸漬し、 次いで 1 7 0 以上の乾熱温度で熱セット後、 染色することを特徴とするポリアミド繊維含 有布帛の染色方法である。 図面の簡単な説明 The present invention provides a method for dyeing after heat setting a fabric containing polyamide fibers, wherein the substantially dried fabric is immersed in an aqueous solution of a phenolic antioxidant, and then heated at a dry heat temperature of 170 or more. This is a method for dyeing a polyamide fiber-containing fabric, which is characterized by dyeing after setting. BRIEF DESCRIPTION OF THE FIGURES
第 1図は、 本発明の染色方法の工程の一部の例を示す模式図である。 第 2図は、 本発明の染色方法の工程の一部の例を示す模式図である。 第 3図は本発明の染色方 法の工程の一部の例を示す模式図である。 発明を実施するための最良の形態  FIG. 1 is a schematic diagram showing an example of a part of the steps of the staining method of the present invention. FIG. 2 is a schematic diagram showing an example of a part of the steps of the staining method of the present invention. FIG. 3 is a schematic diagram showing an example of a part of the steps of the staining method of the present invention. BEST MODE FOR CARRYING OUT THE INVENTION
つぎに、 本発明の実施の形態について説明する。  Next, an embodiment of the present invention will be described.
本発明で用いる布帛は、 ポリアミド繊維を含有するものであれば、 織物、 編物な ど特に限定されない。 また、 含有とは、 他の繊維との交編、 交織のほか複合糸の使 用などを含む。 但し、 前記した如く、 ポリアミド繊維の通常の熱セット温度以上で の処理が必要になる場合に本発明の意義があるので、 ポリウレタンゃポリエステル 系の弾性繊維やポリエステル、 ポリアセテート、 綿などの天然繊維などの他の繊維 と混用した布帛であることが好ましい。 この場合、 ポリアミド繊維は、 布帛全体の 1 0重量％以上、 より好ましくは 5 0重量％以上を占めることが好ましい。 これに より、 前記した染色斑の改善効果が顕著となるからである。  The fabric used in the present invention is not particularly limited as long as it contains a polyamide fiber, such as a woven fabric or a knitted fabric. In addition, “contained” includes the use of composite yarn in addition to knitting and weaving with other fibers. However, as described above, the present invention is significant when the polyamide fiber needs to be treated at a temperature higher than the normal heat setting temperature. Therefore, polyurethane-polyester elastic fibers and natural fibers such as polyester, polyacetate, and cotton are used. It is preferably a fabric mixed with other fibers. In this case, it is preferable that the polyamide fiber accounts for 10% by weight or more, more preferably 50% by weight or more of the whole fabric. This is because the effect of improving the above-mentioned stained spots becomes remarkable.
かかるポリアミド繊維としては、 例えばナイロン 4、 ナイロン 6、 ナイロン 7、 ナイロン 1 1、 ナイロン 1 2、 ナイロン 6 6、 ナイロン 6， 1 0、 ポリメタキシレ デカンアミド及びそれらを成分とするコポリアミド等があげられる。  Examples of such polyamide fibers include nylon 4, nylon 6, nylon 7, nylon 11, nylon 12, nylon 66, nylon 6,10, polymetaxyldecaneamide, and copolyamides containing these as components.
また、 ポリアミド繊維は、 酸化チタンを l w t %以上含有した所謂フルダル糸を 用いることが好ましい。  Further, as the polyamide fiber, it is preferable to use so-called Fuldal yarn containing lwt% or more of titanium oxide.
また、 弾性繊維としては、 ポリウレタン繊維やポリエステル系繊維が一般的であ る。 ポリウレタン繊維としては、 1 7 0 °C以上、 特に 1 9 0 °C以上での乾熱セット が必要になるものが好ましく、 乾熱セット温度として 150°Cにおけるセット率が 30 〜40%となるものが好ましい。 このようなポリウレタン繊維は、 融点が、 200〜300 °C°Cであり、 乾熱紡糸方法などにより得られたものが挙げられる。 In addition, polyurethane fibers and polyester fibers are generally used as elastic fibers. You. Polyurethane fibers that require a dry heat setting at 170 ° C or more, particularly 190 ° C or more, are preferable, and the set rate at 150 ° C as a dry heat set temperature is 30 to 40%. Are preferred. Such polyurethane fibers have a melting point of 200 to 300 ° C., and include those obtained by a dry heat spinning method or the like.
更に、 ポリエステル系弾性繊維としては、 ポリブチレンテレフタレート系繊維な どを挙げることができる。  Furthermore, examples of the polyester-based elastic fibers include polybutylene terephthalate-based fibers.
本発明で用いる酸化防止剤は、 ラジカル連鎖反応の進行を防止するもので、 フエノ- ル系、 モノフエノ-ル系、 ビスフエノ-ル系、 高分子型フエノ-ル系等を主成分としたフエノール系の ものである。 前記した通り、 ァミン系のものなどは加工工程での変色のおそれがあ るためである。 また、 特にヒンダードフエノール系の酸化防止剤を用いることが好 ましく、 例えば、 以下の化学構造を持つものが好ましい。  The antioxidant used in the present invention is for preventing the progress of the radical chain reaction, and includes a phenol-based compound containing a phenol-based, monophenol-based, bisphenol-based, or polymer phenol-based as a main component. belongs to. As described above, the amine-based materials and the like may cause discoloration in the processing step. It is particularly preferable to use a hindered phenol-based antioxidant, and for example, those having the following chemical structure are preferable.
CH3 OH CH3 OH
Figure imgf000006_0001
Figure imgf000006_0001
CH3 rCH3 r
Figure imgf000007_0001
Ca2 +
Figure imgf000007_0001
Ca 2 +
HO -OC2H5 2 HO -OC2H5 2
Figure imgf000007_0002
また、 本発明においては、 これらの酸化防止剤を均一に付与することが重要であ るが、 このためには、 水系で処理できることが好ましく、 水溶性のものが好ましい。 一般に酸化防止剤は水との相性は良好ではないが、 前記したもののうち、
Figure imgf000007_0002
In the present invention, it is important to uniformly apply these antioxidants. For this purpose, it is preferable that the antioxidant can be treated with an aqueous system, and a water-soluble one is preferable. In general, antioxidants do not have good compatibility with water.
Figure imgf000007_0003
Figure imgf000007_0003
CH3 r CH3 r
、,
Figure imgf000008_0001
に示すものは水溶化が比較的容易であり、 本発明では好ましい。 但し、 塩素などを 含有するものは変色のおそれがあるため避けることが好ましい。
Figure imgf000008_0001
The compounds shown in (1) and (2) are relatively easy to make water soluble, and are preferred in the present invention. However, those containing chlorine or the like are preferably avoided because they may cause discoloration.
次に本発明の染色方法について図面を用いて説明する。 第 1図〜第 3図は、 本発 明の一連の染色工程を模式的に順次示したものである。  Next, the dyeing method of the present invention will be described with reference to the drawings. 1 to 3 schematically show a series of staining steps of the present invention.
ポリアミド繊維を用いて編織し得られた生機は、 第 1図に示す如く、 解反され （ 1) 、 自然放縮され （2) 、 室温で予備リラックス精鍊を施され （3) 、 湿熱リラ ックス精鍊を施される （4) 。 次いで、 第 2図に示す如く、 冷却と洗浄浴槽を経て As shown in Fig. 1, the greige fabric obtained by weaving using polyamide fibers is disintegrated (1), spontaneously shrunk (2), subjected to preliminary relaxation at room temperature (3), and subjected to wet heat relaxation. It is refined (4). Then, as shown in Fig. 2, through cooling and washing bath
(5) 、 マンダルで脱水され （6) 、 チャンバ一で乾熱乾燥される （7) 。 更に、 第 3図に示す如く、 パッド浴槽にて酸化防止剤を付与され （8) 、 マンダルで脱水 された後 （9) 、 プレセットされ （10) 、 染色される （図示しない） 。 (5) It is dehydrated with a mandal (6) and dried and dried in the chamber (7). Further, as shown in FIG. 3, an antioxidant is applied in a pad bath (8), dehydrated with a mandal (9), preset (10), and dyed (not shown).
本発明で重要な工程は、 酸化防止剤を付与する工程 （8) であるが、 これに先立 つて、 布帛を実質的に乾燥することが必要であり、 このため、 乾燥処理を施すこと が必要である （7) 。 かかる乾燥処理としては、 第 2図に示す如く、 チャンバ一を用いた乾熱処理 （7 ) などを挙げることができるが、 これに限定はされない。 但し、 精鍊 （3) や洗浄 浴槽 （5) で含んだ水分重量の 90 %以上、 好ましくは 95%以上を乾燥せしめる 程度に実質的に乾燥を行うことが必要である。一般に、かかる乾燥を行うためには、 150°C程度で数十秒以上の乾熱処理が必要になるであろう。 乾燥処理が終了すると、 実質的に乾燥が施された状態のまま、 当該布帛にフエノ ール系酸化防止剤を付与する処理を行う。 The important step in the present invention is the step (8) of applying an antioxidant. Prior to this, it is necessary to substantially dry the cloth, and therefore, it is necessary to perform a drying treatment. Necessary (7). Such a drying treatment can include, but is not limited to, a dry heat treatment (7) using a chamber as shown in FIG. However, it is necessary to perform the drying substantially to such an extent that at least 90%, preferably at least 95% of the weight of the water contained in the refining (3) and the washing bath (5) is dried. Generally, such drying will require a dry heat treatment at about 150 ° C. for several tens of seconds or more. When the drying process is completed, a process of applying a phenolic antioxidant to the fabric is performed while the fabric is substantially dried.
フエノール系酸化防止剤を付与する処理は水系で浸漬処理する。 これは均一に酸 化防止剤を付与するためである。前記の如く、一般に酸化防止剤は水に溶解し難い。 このため、 前記したようなフエノール系酸化防止剤を用いることが好ましいが、 こ れのみでも十分な溶解状態を得ることは通常は困難である。 よって、 ァニオン系及 びノニオン系の界面活性剤を併用すると共に、 十分に酸化防止剤を溶解してから処 理を開始することが肝要である。 具体的には、 酸化防止剤を少量の温湯中で溶解し た後、 これを処理浴槽に添加するなどの処理が必要となる。  The treatment for applying the phenolic antioxidant is performed by immersion in an aqueous system. This is to provide the antioxidant uniformly. As described above, antioxidants are generally hardly soluble in water. For this reason, it is preferable to use the phenolic antioxidant as described above, but it is usually difficult to obtain a sufficient dissolved state by itself. Therefore, it is important to use both anionic and nonionic surfactants and to sufficiently dissolve the antioxidant before starting treatment. Specifically, it is necessary to dissolve the antioxidant in a small amount of hot water and then add it to the treatment bath.
酸化防止剤の濃度は、 0 . l g Z l以上、 より好ましくは 0 . 5 g Z l以上が溶 解した処理浴槽を用いて浸漬処理を行うことが好ましい。 但し、 酸化防止剤の濃度 が 2 0 g Z 1以上となるとポリウレタン弾性糸の溶解劣化を促進したりして製品品 位が低下するおそれがあるので避けることが好ましい。 また、 浸漬浴は、 2 5〜3 5 °C程度の温度に保って処理を行うことが好ましい。  The concentration of the antioxidant is preferably 0.1 g Zl or more, and more preferably 0.5 g Zl or more. However, when the concentration of the antioxidant is 20 g Z 1 or more, it is preferable to avoid dissolving and deteriorating the polyurethane elastic yarn, which may lower the product quality. Further, it is preferable to perform the treatment while maintaining the temperature of the immersion bath at about 25 to 35 ° C.
酸化防止剤の付与処理は、 前記の如く用意した処理浴中に布帛を浸漬し、 次いで マングルなどで絞り脱水する所謂パッド法を用いることができ、 布帛への均一な処 理が可能であれば他の浸漬方法を採っても良い。 尚、 パッド法を採る場合は、 主成 分のピックアップ率を 0 . 1〜1 0 %程度とすることが好ましい。  The so-called pad method in which the fabric is immersed in the treatment bath prepared as described above, and then squeezed and dewatered with a mangle or the like can be used for applying the antioxidant, provided that uniform treatment of the fabric is possible. Other immersion methods may be used. When the pad method is employed, the pickup rate of the main component is preferably set to about 0.1 to 10%.
以上の如く酸化防止剤の付与が完了すると、 布帛に熱セットを施し、 ポリアミド 繊維などのセットを行う。 熱セット温度は、 ポリアミド繊維のみの場合は、 前記し た如く 1 7 0 °C前後で十分であるが、 本発明方法を採用する意義が少ない。  When the application of the antioxidant is completed as described above, the fabric is subjected to heat setting to set polyamide fibers and the like. The heat setting temperature of about 170 ° C. is sufficient for the polyamide fiber alone as described above, but there is little significance in adopting the method of the present invention.
したがって、 ポリアミド繊維と弾性繊維、 特にポリウレタン繊維と混用した場合 に本発明方法の意義が大きい。 ポリウレタン繊維を用いる場合は、 用いるポリウレ タン繊維の特性に応じて熱セット温度を設定すれば良いが、 前記した如きポリウレ タン繊維を用いる場合は、 190°C以上、 より好ましくは 195°C以上で乾熱処理 を行うことが好ましい。 但し、 ナイロン 6などの一般的なポリアミド繊維の場合、 200°Cを超えると急激に劣化が進行するので、 205°C以下、 より好ましくは 2 00°C以下の乾熱温度で処理を行うことが好ましい。 このような熱セットは、 通常 のテンターなどを用いて行うことができる。 Therefore, the method of the present invention is significant when mixed with polyamide fibers and elastic fibers, particularly polyurethane fibers. When using polyurethane fiber, use polyurethane The heat setting temperature may be set according to the characteristics of the tan fiber. However, when the above-described polyurethane fiber is used, it is preferable to perform the dry heat treatment at 190 ° C. or more, more preferably 195 ° C. or more. However, in the case of general polyamide fibers such as nylon 6, the deterioration rapidly proceeds at temperatures exceeding 200 ° C. Therefore, the treatment should be performed at a dry heat temperature of 205 ° C or less, more preferably 200 ° C or less. Is preferred. Such heat setting can be performed using a normal tenter or the like.
また、 ポリウレタン繊維を混用した布帛の場合、 かかる熱セット処理により、 所 謂耳まくれを防止することができる。  Further, in the case of a fabric in which polyurethane fibers are mixed, so-called ear curling can be prevented by such heat setting treatment.
熱セット処理が完了すると、 染色処理を行う。 染色処理は用いる繊維の種類に応 じて適宜選定すれば良く、 ゥインス、 ジッカー、 ビ一ム、 液流染色機など種々の方 法を採用することができる。 但し、 何れの方法を採用するにしても、 先の工程で付 与された酸化防止剤を十分に除去できる処理であることが好ましい。 このように本 発明では、 ポリアミド繊維に対し比較的高温での熱セットを行う間のみ、 前記した 酸化防止剤を有効に存在させることが好ましい。 実施例  When the heat setting process is completed, perform the staining process. The dyeing treatment may be appropriately selected according to the type of fiber to be used, and various methods such as finesse, zipper, beam, liquid jet dyeing machine and the like can be adopted. However, whichever method is employed, it is preferable that the treatment is such that the antioxidant provided in the previous step can be sufficiently removed. As described above, in the present invention, it is preferable that the above-described antioxidant is effectively present only during the heat setting of the polyamide fiber at a relatively high temperature. Example
つぎに、 本発明の実施例について、 比較例と併せて説明する。 Next, examples of the present invention will be described together with comparative examples.
(実施例）  (Example)
ナイロン 6のマルチフィラメントフルダル糸 44 TZ 10 F (酸化チタン量 1. 7重量％) とポリウレタンマルチフィラメント糸 44TZ4F (東レ'デュポン製、 乾熱温度 150°Cにおけるセット率 30%、 融点 225で） を用いて、 2Wayト リコットを編立てた。 かかる 2Wayトリコットに対し、 第 1図〜第 3図の工程で 処理をおこなった。 各工程の条件を第 1表に示す。 第 1表 Nylon 6 multifilament full-dull yarn 44 TZ10F (titanium oxide content 1.7% by weight) and polyurethane multifilament yarn 44TZ4F (manufactured by Toray DuPont, set at a dry heat temperature of 150 ° C, 30%, with a melting point of 225) A 2-way tricot was knitted. These two-way tricots were processed in the steps shown in Figs. Table 1 shows the conditions of each process. Table 1
Figure imgf000011_0002
Figure imgf000011_0002
酸化防止剤は、 以下の化学構造を有するヒンダードフエノール系酸化防止剤 （2 0重量％) とァニオン及びノニオン系界面活性剤 （7 0重量％) 、 芳香族エステル ( 1 0重量％) の混合品 （SF380：竹本油脂製） を用い、 これを 8 0 °Cの温湯 1 0 1に完全に溶解した後、 パッド浴槽に添加した。 尚、 パッド処理のピックアップ率 は 0 . 2 %で処理した。  The antioxidant is a mixture of a hindered phenol-based antioxidant (20% by weight) having the following chemical structure, anionic and nonionic surfactants (70% by weight), and an aromatic ester (10% by weight). The product (SF380: Takemoto Yushi) was completely dissolved in hot water 101 at 80 ° C and then added to the pad bath. In addition, the pickup rate of the pad treatment was set at 0.2%.
また、 精鍊剤は、 SAU薩 ORL BL600 (日華化学製） を使用した。  The purifying agent used was SAU Satsu ORL BL600 (manufactured by Nika Chemical Co., Ltd.).
CH3 OH CH3 OH
Figure imgf000011_0001
Figure imgf000011_0001
CH3 CH3
ついで、 フタロシアニン系ミーリング染料を用いて、 編地をエメラルドグリーン 色に染色し、 評価した。 酸化防止剤付与工程 （8 ) を行わなかったもの、 酸化防止剤の濃度を変化させたも のを含め、 結果を第 2表に示す。 Next, the knitted fabric was dyed in an emerald green color using a phthalocyanine-based milling dye and evaluated. Table 2 shows the results, including those without the antioxidant application step (8) and those with different concentrations of antioxidants.
第 2表
Figure imgf000012_0001
産業上の利用可能性 Table 2
Figure imgf000012_0001
Industrial applicability
本発明によれば、 ポリアミド繊維を含有する布帛を高温で熱セットした際の染色 斑を安定して改善することが可能である。 したがって、 ポリウレタン繊維などとの 混用品に用いると、 布帛の熱セット性を損なうことなく、 安定して高品位な製品を 提供することができる。  ADVANTAGE OF THE INVENTION According to this invention, it is possible to stably improve the stain spot when the fabric containing a polyamide fiber is heat-set at high temperature. Therefore, when used in a mixed product with polyurethane fiber or the like, a high-quality product can be stably provided without impairing the heat setting property of the fabric.

Claims

請 求 の 範 囲 ポリアミド繊維を含有する布帛を熱セット後、 染色する方法において、 実質的 に乾燥せしめた布帛をフエノール系酸化防止剤の水溶液に浸漬し、 次いで 1 7 0 °C以上の乾熱温度で熱セッ.ト後、 染色することを特徴とするポリアミド繊維 含有布帛の染色方法。 Scope of Claim In the method of dyeing after heat setting a fabric containing polyamide fibers, the substantially dried fabric is immersed in an aqueous solution of a phenolic antioxidant, and then dried at 170 ° C or more. A method for dyeing a polyamide fiber-containing fabric, comprising heat setting at a temperature and then dyeing.
PCT/JP2002/011341 2001-10-31 2002-10-31 Method of dyeing woven fabric comprising polyamide fiber WO2003038183A1 (en)

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US9290862B2 (en) 2007-07-03 2016-03-22 Swedish Biomimetics 3000 Limited Dual mobile phase apparatus and method
US9327262B2 (en) 2007-07-03 2016-05-03 Swedish Biomimetics 3000 Limited Solid phase reaction method and apparatus
CN111472125A (en) * 2020-04-16 2020-07-31 晋江市七彩狐服装织造有限公司 Dyeing and finishing process of elastic soft polyamide fabric
JP2022531561A (en) * 2019-05-03 2022-07-07 ザ プロクター アンド ギャンブル カンパニー Methods of Using Antioxidants in Fabric Treatment Compositions for Treating Elastane-Containing Fabrics

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JP2000328357A (en) * 1999-05-20 2000-11-28 Toyobo Co Ltd Production of heat-resistant polyamide-based fiber

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
JP2000328357A (en) * 1999-05-20 2000-11-28 Toyobo Co Ltd Production of heat-resistant polyamide-based fiber

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9290862B2 (en) 2007-07-03 2016-03-22 Swedish Biomimetics 3000 Limited Dual mobile phase apparatus and method
US9327262B2 (en) 2007-07-03 2016-05-03 Swedish Biomimetics 3000 Limited Solid phase reaction method and apparatus
US10913047B2 (en) 2007-07-03 2021-02-09 Swedish Biomimetics 3000 Limited Dual mobile phase apparatus and method
JP2022531561A (en) * 2019-05-03 2022-07-07 ザ プロクター アンド ギャンブル カンパニー Methods of Using Antioxidants in Fabric Treatment Compositions for Treating Elastane-Containing Fabrics
JP7359865B2 (en) 2019-05-03 2023-10-11 ザ プロクター アンド ギャンブル カンパニー Method of using antioxidants in fabric treatment compositions for treating elastane-containing fabrics
CN111472125A (en) * 2020-04-16 2020-07-31 晋江市七彩狐服装织造有限公司 Dyeing and finishing process of elastic soft polyamide fabric

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