WO2023140376A1 - Treatment agent for elastic fibers, and elastic fibers - Google Patents

Treatment agent for elastic fibers, and elastic fibers Download PDF

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Publication number
WO2023140376A1
WO2023140376A1 PCT/JP2023/001849 JP2023001849W WO2023140376A1 WO 2023140376 A1 WO2023140376 A1 WO 2023140376A1 JP 2023001849 W JP2023001849 W JP 2023001849W WO 2023140376 A1 WO2023140376 A1 WO 2023140376A1
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Prior art keywords
treatment agent
mass
elastic fibers
silicone
mineral oil
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PCT/JP2023/001849
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French (fr)
Japanese (ja)
Inventor
啓一郎 大島
武志 西川
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竹本油脂株式会社
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Publication of WO2023140376A1 publication Critical patent/WO2023140376A1/en

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/02—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with hydrocarbons
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/144—Alcohols; Metal alcoholates
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
    • D06M13/282—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing phosphorus
    • D06M13/292—Mono-, di- or triesters of phosphoric or phosphorous acids; Salts thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain

Definitions

  • the present invention relates to an elastic fiber treatment agent that can improve the smoothness of elastic fibers and the adhesiveness of elastic fibers to other materials, and elastic fibers to which such an elastic fiber treatment agent is attached.
  • elastic fibers such as polyurethane elastic fibers have stronger adhesiveness between fibers than other synthetic fibers. Therefore, for example, after the elastic fiber is spun and wound around a package, it is difficult to stably unwind it from the package when it is pulled out of the package and subjected to a processing step. Therefore, in order to improve the smoothness of elastic fibers, a treatment agent for elastic fibers containing a smoothing agent such as silicone is sometimes used.
  • Patent Document 1 discloses a treatment agent for elastic fibers containing at least one base component selected from silicone oil, mineral oil and ester oil, and a hydroxy acid having at least two carboxyl groups in the molecule.
  • the elastic fiber treatment agent of one aspect of the present invention contains a smoothing agent (A) containing a silicone (A1) and a mineral oil (A2) described below, an organic phosphate metal salt (B), and an alcohol (C) described below.
  • A smoothing agent
  • A1 silicone
  • A2 mineral oil
  • B organic phosphate metal salt
  • C alcohol
  • Mineral oil (A2) Mineral oil containing 1% by mass or more of aromatic components.
  • Alcohol (C) At least one selected from branched chain monohydric aliphatic alcohols having 8 to 26 carbon atoms and linear secondary alcohols.
  • the elastic fiber treatment agent may contain the organophosphate metal salt (B) at a ratio of 0.05% by mass or more and 10% by mass or less.
  • the mineral oil (A2) may be contained in the elastic fiber treatment agent in a proportion of 45% by mass or more.
  • the organic phosphate metal salt (B) may be an alkaline earth metal salt of an organic phosphate.
  • the polyether-modified silicone may be contained in the elastic fiber treatment agent at a ratio of 0.05% by mass or more and 5% by mass or less.
  • the alcohol (C) may be contained in the elastic fiber treatment agent at a ratio of 0.05% by mass or more and 10% by mass or less.
  • the gist of an elastic fiber according to one aspect of the present invention is that the treatment agent for elastic fibers is adhered thereto.
  • a first embodiment of a treatment agent for elastic fibers (hereinafter also referred to as a treatment agent) of the present invention will be described below.
  • the processing agent of the present embodiment contains a smoothing agent (A) and an organic phosphoric acid ester metal salt (B). Moreover, the processing agent may further contain an alcohol (C).
  • the smoothing agent (A) used in the treatment agent of the present embodiment is blended into the treatment agent as a base component and imparts smoothness to the elastic fibers.
  • Lubricant (A) comprises at least silicone (A1) and mineral oil (A2) described below.
  • silicone oils examples include silicone oils. Specific examples of silicone oils include dimethylsilicone, phenyl-modified silicone, amino-modified silicone, amide-modified silicone, polyether-modified silicone, aminopolyether-modified silicone, alkyl-modified silicone, alkylaralkyl-modified silicone, alkylpolyether-modified silicone, ester-modified silicone, epoxy-modified silicone, carbinol-modified silicone, mercapto-modified silicone, and polyoxyalkylene-modified silicone. Commercially available products defined by kinematic viscosity and the like may be appropriately adopted as these silicone oils. The kinematic viscosity is appropriately set, but the kinematic viscosity at 25° C.
  • the lower limit of the content of silicone (A1) in the treatment agent is preferably 10% by mass or more, more preferably 15% by mass or more. When the content is 10% by mass or more, the smoothness of the elastic fibers to which the treatment agent is applied can be improved.
  • the upper limit of the content of silicone (A1) in the treatment agent is preferably 90% by mass or less, more preferably 85% by mass or less. When the content is 90% by mass or less, the effect of the present invention can be further improved. Ranges in which the above upper and lower limits are arbitrarily combined are also envisioned.
  • Silicone (A1) preferably contains a polyether-modified silicone.
  • silicone (A1) contains polyether-modified silicone, smoothness can be further improved.
  • the polyether-modified silicone a known one can be used as appropriate.
  • polyether-modified silicones include polyether-modified silicones having oxyalkylene chains.
  • Specific examples of the alkylene oxide as a starting material for the oxyalkylene chain include ethylene oxide and propylene oxide.
  • the alkylene oxide one type of alkylene oxide may be used alone, or two or more types of alkylene oxide may be used in combination as appropriate. When two or more types of alkylene oxides are applied, their addition mode may be block addition, random addition, or a combination of block addition and random addition, and is not particularly limited.
  • polyether-modified silicones examples include ABn-type polyether-modified silicones, side chain-type polyether-modified silicones, double-end polyether-modified silicones, alkyl polyether-modified silicones in which both a polyether group and an alkyl group are introduced into the side chain or end, side-chain polyether-modified silicones in which the polyether chain ends are blocked with an aliphatic compound or a fatty acid compound, and double-end polyether-modified silicones in which the polyether chain ends are blocked with an aliphatic compound or a fatty acid compound.
  • these polyether-modified silicones commercially available products defined by kinematic viscosity and the like may be employed as appropriate.
  • the kinematic viscosity at 25° C. is preferably 100 cst (mm 2 /s) or more and 10000 cst (mm 2 /s) or less, more preferably 500 cst (mm 2 / s) or more and 7000 cst (mm 2 /s) or less. Ranges with any combination of the above upper and lower limits are also envisioned.
  • the kinematic viscosity when multiple types of polyether-modified silicones are used is the actual measured value of a mixture of multiple polyether-modified silicones used. As the polyether-modified silicone, one polyether-modified silicone may be used alone, or two or more polyether-modified silicones may be used in combination.
  • the lower limit of the polyether-modified silicone content in the treatment agent is preferably 0.05% by mass or more, more preferably 0.1% by mass or more. When the content is 0.05% by mass or more, the smoothness of the elastic fibers to which the treatment agent is applied can be improved.
  • the upper limit of the polyether-modified silicone content is preferably 5% by mass or less, more preferably 4% by mass or less. When the content is 5% by mass or less, the effect of the present invention can be further improved. Ranges in which the above upper and lower limits are arbitrarily combined are also envisioned.
  • Mineral oils (A2) to be used in the treatment agent of the present embodiment include common petroleum fractions composed of paraffinic components, naphthenic components, and aromatic components.
  • the qualitative properties and contents of aromatic components, naphthenic components, and paraffinic components in the mineral oil are determined by ring analysis by the ndM method specified in ASTM D3238, and the contents of the aromatic components, naphthenic components, and paraffinic components are synonymous with the values of %C A , %C N , and % CP described therein.
  • the content of the aroma component in the mineral oil (A2) is 1% by mass or more, preferably 1.5% by mass or more.
  • the mineral oil (A2) commercially available products defined by kinematic viscosity and the like may be appropriately adopted.
  • the kinematic viscosity is set appropriately, it is preferable that the kinematic viscosity at 25° C. is 2 cst (mm 2 /s) or more and 100 cst (mm 2 /s) or less.
  • the viscosity at 25°C is measured using a Canon Fenske viscometer.
  • the value of kinematic viscosity at the time of mixing all the mineral oils is employ
  • the lower limit of the content of mineral oil (A2) in the treatment agent is preferably 20% by mass or more, more preferably 45% by mass or more.
  • the upper limit of the content of mineral oil (A2) in the treating agent is preferably 85% by mass or less, more preferably 80% by mass or less. When the content is 85% by mass or less, the effects of the present invention can be further improved. Ranges in which the above upper and lower limits are arbitrarily combined are also envisioned.
  • An additional smoothing agent other than the above may be used in combination with the treatment agent of the present embodiment.
  • the additional smoothing agent a known one can be appropriately employed.
  • Additional lubricating agents include, for example, ester oils, polyolefins, and the like.
  • the ester oil is not particularly limited, but includes an ester oil produced from fatty acid and alcohol. Ester oils may be produced, for example, from fatty acids and alcohols having an odd or even number of hydrocarbon groups as described below.
  • the fatty acid which is the raw material of the ester oil, is not particularly limited in terms of the number of carbon atoms, the presence or absence of branching, the valence, etc., and may be, for example, a higher fatty acid, a fatty acid having a cyclo ring, or a fatty acid having an aromatic ring.
  • the number of carbon atoms, the presence or absence of branching, the valence, etc. of the alcohol, which is the raw material of the ester oil is not particularly limited, and may be, for example, a higher alcohol, an alcohol having a cyclo ring, or an alcohol having an aromatic ring.
  • ester oils include (1) ester compounds of aliphatic monoalcohols and aliphatic monocarboxylic acids such as octyl palmitate, oleyl laurate, oleyl oleate, isotridecyl stearate and isotetracosyl oleate; (3) Ester compounds of aliphatic monoalcohols and aliphatic polycarboxylic acids such as dioleyl azelate, dioleyl thiodipropionate, diisocetyl thiodipropionate and diisostearyl thiodipropionate, (4) Ester compounds of aromatic monoalcohols and aliphatic monocarboxylic acids such as benzyl oleate and benzyl laurate, (5) Full esters of aromatic polyhydric alcohols and aliphatic monocarboxylic acids such as bisphenol A dilaurate (6) complete ester compounds of aliphatic monoalcohols and
  • poly- ⁇ -olefin used as a smoothing component is applied.
  • polyolefins include poly- ⁇ -olefins obtained by polymerizing 1-butene, 1-hexene, 1-decene, and the like. Commercially available poly- ⁇ -olefins may be used as appropriate.
  • one type of smoothing agent may be used alone, or two or more types of smoothing agents may be used in combination.
  • the total content of silicone (A1) and mineral oil (A2) in the total smoothing agent is preferably 80% by mass or more, more preferably 90% by mass or more, from the viewpoint of efficiently exhibiting the effects of the present invention.
  • the processing agent of the present embodiment can improve the smoothness and unwindability of the elastic fibers to which the processing agent is applied by containing the organophosphate metal salt (B).
  • organophosphate metal salt (B) used in the treatment agent of the present embodiment include metal salts of alkyl phosphates, metal salts of alkenyl phosphates, and metal salts of alkyl phosphates or alkenyl phosphates to which a (poly)alkylene oxide chain is added.
  • the alkyl group or alkenyl group that constitutes the metal salt of the organic phosphate is not particularly limited, and may be linear or branched, for example.
  • the number of carbon atoms in the alkyl group or alkenyl group is not particularly limited, the number of carbon atoms is preferably 1 or more and 32 or less, and more preferably 8 or more and 22 or less.
  • alkyl groups include methyl, ethyl, propyl, butyl, pentyl, hexyl, heptyl, octyl, decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, icosyl, isobutyl, isopentyl, isohexyl, isoheptyl, isooctyl, and isodecyl groups.
  • syl group isoundecyl group, isododecyl group, isotridecyl group, isotetradecyl group, isopentadecyl group, isohexadecyl group, isoheptadecyl group, isooctadecyl group, isoicosyl group and the like.
  • alkenyl groups include butenyl, pentenyl, hexenyl, heptenyl, octenyl, nonenyl, decenyl, undecenyl, dodecenyl, tridecenyl, tetradecenyl, pentadecenyl, hexadecenyl, heptadecenyl, octadecenyl, icosenyl, isobutenyl, isopentenyl, and isopentenyl groups.
  • xenyl group isoheptenyl group, isooctenyl group, isononenyl group, isodecenyl group, isoundecenyl group, isododecenyl group, isotridecenyl group, isotetradecenyl group, isopentadecenyl group, isohexadecenyl group, isoheptadecenyl group, isooctadecenyl group, isoicosenyl group and the like.
  • alkylene oxide used as a raw material for forming the (poly)oxyalkylene structure an alkylene oxide having 2 or more and 4 or less carbon atoms is preferable.
  • alkylene oxides include ethylene oxide, propylene oxide, and butylene oxide.
  • the number of moles of alkylene oxide to be added is appropriately set, but is preferably 0.1 to 60 mol, more preferably 1 to 40 mol, and still more preferably 2 to 30 mol. Ranges with any combination of the above upper and lower limits are also envisioned.
  • the number of moles of alkylene oxide added indicates the number of moles of alkylene oxide per 1 mole of the aliphatic alcohol compound in the starting material.
  • alkylene oxide one type of alkylene oxide may be used alone, or two or more types of alkylene oxide may be used in appropriate combination.
  • their addition mode may be block addition, random addition, or a combination of block addition and random addition, and is not particularly limited.
  • the phosphoric acid constituting the organic phosphoric acid ester metal salt (B) is not particularly limited, and may be orthophosphoric acid or polyphosphoric acid such as diphosphoric acid.
  • the metal salt constituting the organic phosphate metal salt (B) include alkali metal salts and alkaline earth metal salts. Specific examples of alkali metals constituting alkali metal salts include sodium, potassium, and lithium.
  • Alkaline earth metals constituting the alkaline earth metal salt include metals corresponding to group 2 elements such as calcium, magnesium, beryllium, strontium, and barium. Among these, alkaline earth metal salts of organic phosphoric acid esters are preferred from the viewpoint of excellent unwinding properties of fibers to which a treatment agent is applied.
  • organic phosphate metal salt (B) one type of organic phosphate metal salt may be used alone, or two or more types of organic phosphate metal salts may be used in combination.
  • the lower limit of the content of the organic phosphate metal salt (B) in the treatment agent is preferably 0.05% by mass or more, more preferably 0.1% by mass or more. When the content is 0.05% by mass or more, the smoothness and unwindability of the elastic fibers to which the treatment agent is applied can be improved.
  • the upper limit of the content of the organic phosphate metal salt (B) is preferably 10% by mass or less, more preferably 8% by mass or less. When the content is 10% by mass or less, the effects of the present invention can be further improved. Ranges in which the above upper and lower limits are arbitrarily combined are also envisioned.
  • the alcohol (C) used in the treatment agent of the present embodiment includes branched monohydric aliphatic alcohols and linear secondary alcohols.
  • the alcohol (C) can improve the adhesion of the treated elastic fibers to other materials.
  • the number of carbon atoms in the branched monohydric aliphatic alcohol is 8 or more and 26 or less, preferably 10 or more and 24 or less.
  • the fatty alcohol may be a saturated fatty alcohol or an unsaturated fatty alcohol.
  • the branched position of the hydrocarbon group constituting the branched chain is not particularly limited, and may be, for example, a carbon chain branched at the ⁇ -position or a carbon chain branched at the ⁇ -position. Moreover, it may be a primary alcohol or a secondary alcohol.
  • branched monovalent aliphatic alcohols include isooctanol, isononanol, isodecanol, isododecanol, isotridecanol, isotetradecanol, isohexadecanol, isoheptadecanol, isooctadecanol, isononadecanol, isoeicosanol, isoheneicosanol, isodocosanol, isotrichosanol, isotetracosanol, isopentacosanol, and isohexacosanol.
  • Guerbet alcohols include 2-ethyl-1-propanol, 2-ethyl-1-butanol, 2-ethyl-1-hexanol, 2-ethyl-1-octanol, 2-ethyl-decanol, 2-butyl-1-hexanol, 2-butyl-1-octanol, 2-butyl-1-decanol, 2-hexyl-1-octanol, 2- Hexyl-1-decanol, 2-octyl-1-decanol, 2-octyl-1-dodecanol, 2-hexyl-1-dodecanol, 2-(1,3,3-trimethylbutyl)-5,7,7-trimethyl-1-octanol, 2-(4-methylhexyl)
  • the linear secondary alcohol may be a monohydric aliphatic alcohol having a linear hydrocarbon group.
  • the number of carbon atoms in the linear secondary alcohol is preferably 6 or more and 24 or less, more preferably 8 or more and 22 or less.
  • Secondary alcohols may be saturated or unsaturated fatty alcohols.
  • the bonding position of the hydroxyl group in the hydrocarbon group is not particularly limited, and examples thereof include the ⁇ -position.
  • linear secondary alcohols include 2-hexanol, 2-octanol, 2-nonanol, 2-decanol, 2-undecanol, 2-dodecanol, 2-tridecanol, 2-tetradecanol, 2-pentadecanol, 2-hexadecanol, 2-heptadecanol, 2-octadecanol, 2-nonadecanol, 2-eicosanol, 2-heneicosanol, 2-docosanol, 2-tricosa and 2-tetracosanol.
  • Alcohol (C) may be used singly or in combination of two or more alcohols.
  • the lower limit of the alcohol (C) content in the treatment agent is preferably 0.05% by mass or more, more preferably 0.1% by mass or more. When the content ratio is 0.05% by mass or more, the adhesiveness of the elastic fibers to which the treatment agent is applied to other materials can be improved.
  • the upper limit of the alcohol (C) content is preferably 10% by mass or less, more preferably 8% by mass or less. When the content is 10% by mass or less, the effects of the present invention can be further improved. Ranges in which the above upper and lower limits are arbitrarily combined are also envisioned.
  • the treatment agent of the first embodiment is attached to the elastic fibers of the present embodiment.
  • the amount of the treatment agent of the first embodiment attached to the elastic fibers is not particularly limited, but from the viewpoint of further improving the effects of the present invention, the amount of the treatment agent that does not contain a solvent is preferably 0.1% by mass or more and 10% by mass or less.
  • the elastic fibers are not particularly limited, but examples include polyester elastic fibers, polyamide elastic fibers, polyolefin elastic fibers, and polyurethane elastic fibers. Among these, polyurethane elastic fibers are preferred. In such a case, the effect of the present invention can be expressed more highly.
  • the elastic fiber production method of the present embodiment includes oiling the elastic fiber with the treatment agent of the first embodiment.
  • a method of lubricating the treatment agent a method of adhering it to the elastic fibers in the spinning process of the elastic fibers by a neat lubrication method without dilution is preferable.
  • the adhesion method a known method such as a roller lubrication method, a guide lubrication method, a spray lubrication method, or the like can be applied.
  • the oil supply roller is generally positioned between the spinneret and the winding traverse, and can be applied to the manufacturing method of this embodiment.
  • the method of manufacturing the elastic fiber itself applied to this embodiment is not particularly limited, and can be manufactured by a known method. Examples thereof include wet spinning, melt spinning, dry spinning, and the like. Among these, the dry spinning method is preferably applied from the viewpoint of excellent elastic fiber quality and manufacturing efficiency.
  • the treatment agent of the present embodiment contains a smoothing agent (A) containing silicone (A1) and the mineral oil (A2) described above at a predetermined ratio, and the organic phosphate ester metal salt (B) described above. Therefore, it is possible to sufficiently achieve both of the effects of improving the smoothness of the elastic fibers to which the treatment agent is applied and improving the adhesiveness of the elastic fibers to other materials. In addition, the elastic fibers to which the treatment agent is applied can improve the unwindability.
  • the smoothness of the elastic fibers to which the treatment agent is applied can be improved.
  • the treatment agent of the present embodiment further contains the alcohol (C) described above, the adhesiveness of the elastic fibers to other materials can be further improved.
  • the processing agent of the above-described embodiment may further contain, as other components, components commonly used in processing agents, such as stabilizers, antistatic agents, binders, antioxidants, and UV absorbers for maintaining the quality of the processing agent, as long as they do not impede the effects of the present invention.
  • the content of other components in the treatment agent is preferably 10% by mass or less, more preferably 5% by mass or less, from the viewpoint of efficiently exhibiting the effects of the present invention.
  • Test category 1 preparation of treatment agent
  • the processing agents used in each example and each comparative example were prepared by using each component shown in Table 1 and by the following preparation method.
  • Example 2 to 24 Comparative Examples 1 to 5
  • the treatment agent was prepared by mixing the smoothing agent (A), the metal salt of organic phosphate (B), and the alcohol (C) in the same manner as in Example 1 in the proportions shown in Table 1.
  • silicone (A1), mineral oil (A2), organic phosphoric acid ester metal salt (B), and alcohol (C) shown in Table 1 are as follows.
  • AM-1 Mineral oil containing 2.5% aromatic component and having a kinematic viscosity of 11 cSt (mm 2 /s) at 25°C
  • AM-2 Mineral oil containing 1.6% aromatic component and having a kinematic viscosity of 20 cSt (mm 2 /s) at 25°C
  • B-1 Magnesium salt of isotridecyl ether phosphate
  • B-3 Calcium salt of isooctadecyl ether phosphate
  • B-4 Magnesium salt of tridecyl ether phosphate
  • B-5 Sodium salt of isooctadecyl ether phosphate
  • C-1 2-hexyl-1-decanol
  • C-2 2-(1,3,3-trimethylbutyl)-5,7,7-trimethyl-1-octanol
  • the spinning dope was dry spun in a heated gas stream from a spinneret. Then, the treatment agent was neatly lubricated to the dry-spun polyurethane elastic fibers by a roller oiling method from an oil supply roller positioned between the drawing rollers before winding.
  • the elastic fiber to which the treatment agent was attached by oiling the roller as described above was wound at a winding speed of 600 m/min on a cylindrical paper tube with a length of 58 mm through a traverse guide that gives a winding width of 38 mm, using a surface drive winder to obtain a package of 1 kg or 500 g of 40 denier dry-spun polyurethane elastic fiber.
  • the adhesion amount of the treatment agent was adjusted to 5% by adjusting the number of revolutions of the oil supply roller.
  • Test category 3 evaluation of elastic fibers
  • a friction measurement meter (SAMPLE FRICTION UNIT MODEL TB-1, manufactured by Eiko Sokki Co., Ltd.) was used.
  • a chrome-plated satin pin with a diameter of 1 cm and a surface roughness of 2S was placed between the two free rollers.
  • a polyurethane elastic fiber pulled out from the package (1 kg roll) was passed through the chrome-plated satin pin so that the contact angle was 90 degrees.
  • An initial tension (T 1 ) of 5 g was applied on the entry side under the conditions of 25° C.
  • the delivery speed of the first driving roller was fixed at 50 m/min, while the winding speed of the second driving roller was gradually increased from 50 m/min to forcibly unwind the elastic fibers from the package.
  • the winding speed V (m/min) was measured at the time when the elastic fibers stopped dancing between the sending part and the winding part, in other words, when the behavior of the yarn did not become unstable and the yarn was sent out smoothly from the package.
  • Unwindability (%) was obtained from the following formula and evaluated according to the following criteria. The results are shown in the "Releasability" column of Table 1.
  • Unwindability (%) (V-50) x 2 Evaluation criteria for unwindability ⁇ (good): unwindability is less than 150% ⁇ (acceptable): unwindability is 150% or more and less than 180% ⁇ (improper): unwindability is 180% or more Evaluation of adhesion
  • a 10-mm tip of a 40-mm-long polyurethane elastic fiber pulled out from the package (1 kg roll) was sandwiched between the adhesive-coated surfaces of two cut pieces, and crimped for 30 seconds at a treatment temperature of 160° C. and a load of 9 g/cm 2 to obtain a sample.
  • the polypropylene spunbond nonwoven fabric portion of this sample was fixed to the upper sample gripper of a tensile tester (manufactured by Shimadzu Corporation, Autograph AGS), the polyurethane elastic fiber was fixed to the lower sample gripper, and pulled at a speed of 100 mm / min.
  • the strength required to pull out the polyurethane elastic fiber from the polypropylene spunbond nonwoven fabric was measured and evaluated according to the following criteria. The results are shown in the "Adhesion" column of Table 1.
  • a treatment agent for elastic fibers comprising: a smoothing agent (A) containing a silicone (A1) and a mineral oil (A2) described below;
  • Mineral oil (A2) Mineral oil containing 1% by mass or more of aromatic components.
  • Appendix 2 The elastic fiber treatment agent according to Appendix 1, wherein the organic phosphate metal salt (B) is contained in the elastic fiber treatment agent at a ratio of 0.05% by mass or more and 10% by mass or less.
  • (Appendix 4) 4. The elastic fiber treatment agent according to any one of Appendices 1 to 3, wherein the organic phosphate metal salt (B) is an alkaline earth metal salt of an organic phosphate.
  • Appendix 7 An elastic fiber to which the elastic fiber treatment agent according to any one of Appendices 1 to 6 is adhered.

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

Abstract

The present invention addresses the problem of providing: a treatment agent for elastic fibers that is capable of improving the smoothness and adhesiveness of the elastic fibers; and elastic fibers to which said treatment agent for elastic fibers is adhered. A treatment agent for elastic fibers according to the present invention is characterized by comprising: a smoothing agent (A) that contains silicone (A1) and a mineral oil (A2); an organic phosphate ester metal salt (B); and an alcohol (C), wherein the mass ratio, silicone (A1)/mineral oil (A2), of the silicone (A1) and the mineral oil (A2) is 15/85 to 80/20, and the silicone (A1) contains a polyether-modified silicone. The mineral oil (A2) contains not less than 1 mass% of an aroma component. The alcohol (C) is at least one alcohol selected from among C8-C26 monovalent aliphatic alcohols having a branched chain and linear secondary alcohols.

Description

弾性繊維用処理剤及び弾性繊維Elastic fiber treatment agent and elastic fiber
　本発明は、弾性繊維の平滑性及び弾性繊維の他素材との接着性を向上できる弾性繊維用処理剤及びかかる弾性繊維用処理剤が付着している弾性繊維に関する。 The present invention relates to an elastic fiber treatment agent that can improve the smoothness of elastic fibers and the adhesiveness of elastic fibers to other materials, and elastic fibers to which such an elastic fiber treatment agent is attached.
　例えばポリウレタン系弾性繊維等の弾性繊維は、他の合成繊維に比べて、繊維間の粘着性が強い。そのため、例えば弾性繊維を紡糸し、パッケージに巻き取った後、該パッケージから引き出して加工工程に供する際、パッケージから安定して解舒することが困難という問題があった。そのために、従来より弾性繊維の平滑性を向上させるため、シリコーン等の平滑剤を含有する弾性繊維用処理剤が使用されることがある。 For example, elastic fibers such as polyurethane elastic fibers have stronger adhesiveness between fibers than other synthetic fibers. Therefore, for example, after the elastic fiber is spun and wound around a package, it is difficult to stably unwind it from the package when it is pulled out of the package and subjected to a processing step. Therefore, in order to improve the smoothness of elastic fibers, a treatment agent for elastic fibers containing a smoothing agent such as silicone is sometimes used.
　従来、特許文献１に開示される弾性繊維用処理剤が知られている。特許文献１は、シリコーン油、鉱物油、及びエステル油より選ばれる少なくとも一種のベース成分と、分子内に少なくとも２個のカルボキシル基を有するヒドロキシ酸とを含有する弾性繊維用処理剤について開示する。 Conventionally, the treatment agent for elastic fibers disclosed in Patent Document 1 is known. Patent Document 1 discloses a treatment agent for elastic fibers containing at least one base component selected from silicone oil, mineral oil and ester oil, and a hydroxy acid having at least two carboxyl groups in the molecule.
国際公開第２０１４／１４８３６８号WO2014/148368
　しかし、従来の弾性繊維用処理剤は、弾性繊維用処理剤が付与された弾性繊維の平滑性の向上及び弾性繊維の他素材との接着性の向上という各効能の両立を十分に図ることができなかった。 However, conventional treatment agents for elastic fibers were unable to sufficiently achieve both effects of improving the smoothness of the elastic fibers to which the treatment agents for elastic fibers were applied and improving the adhesiveness of the elastic fibers to other materials.
　本発明者らは、前記の課題を解決するべく研究した結果、シリコーン及び所定の鉱物油を所定の比率で配合するとともに、有機リン酸エステル金属塩を配合した構成が好適であることを見出した。 As a result of research to solve the above problems, the present inventors found that a composition in which silicone and a predetermined mineral oil are blended in a predetermined ratio and an organic phosphate metal salt is blended is suitable.
　上記課題を解決するために、本発明の一態様の弾性繊維用処理剤では、シリコーン（Ａ１）及び下記の鉱物油（Ａ２）を含む平滑剤（Ａ）と、有機リン酸エステル金属塩（Ｂ）と、下記のアルコール（Ｃ）とを含有し、前記シリコーン（Ａ１）及び前記鉱物油（Ａ２）の質量比が、シリコーン（Ａ１）／鉱物油（Ａ２）＝１５／８５～８０／２０であり、前記シリコーン（Ａ１）が、ポリエーテル変性シリコーンを含むことを要旨とする。 In order to solve the above problems, the elastic fiber treatment agent of one aspect of the present invention contains a smoothing agent (A) containing a silicone (A1) and a mineral oil (A2) described below, an organic phosphate metal salt (B), and an alcohol (C) described below. The gist is that it contains a modified silicone.
　鉱物油（Ａ２）：アロマ成分を１質量％以上の割合で含有する鉱物油。
　アルコール（Ｃ）：分岐鎖を有する炭素数８以上２６以下の１価脂肪族アルコール、及び直鎖の第二級アルコールから選ばれる少なくとも一つ。 Mineral oil (A2): Mineral oil containing 1% by mass or more of aromatic components.
Alcohol (C): At least one selected from branched chain monohydric aliphatic alcohols having 8 to 26 carbon atoms and linear secondary alcohols.
　前記弾性繊維用処理剤中に、前記有機リン酸エステル金属塩（Ｂ）を０．０５質量％以上１０質量％以下の割合で含有してもよい。
　前記弾性繊維用処理剤中に、前記鉱物油（Ａ２）を４５質量％以上の割合で含有してもよい。 The elastic fiber treatment agent may contain the organophosphate metal salt (B) at a ratio of 0.05% by mass or more and 10% by mass or less.
The mineral oil (A2) may be contained in the elastic fiber treatment agent in a proportion of 45% by mass or more.
　前記弾性繊維用処理剤において、前記有機リン酸エステル金属塩（Ｂ）が、有機リン酸エステルのアルカリ土類金属塩であってもよい。
　前記弾性繊維用処理剤中に、前記ポリエーテル変性シリコーンを０．０５質量％以上５質量％以下の割合で含有してもよい。 In the elastic fiber treatment agent, the organic phosphate metal salt (B) may be an alkaline earth metal salt of an organic phosphate.
The polyether-modified silicone may be contained in the elastic fiber treatment agent at a ratio of 0.05% by mass or more and 5% by mass or less.
　前記弾性繊維用処理剤中に、前記アルコール（Ｃ）を０．０５質量％以上１０質量％以下の割合で含有してもよい。
　上記課題を解決するために、本発明の一態様の弾性繊維では、前記弾性繊維用処理剤が付着していることを要旨とする。 The alcohol (C) may be contained in the elastic fiber treatment agent at a ratio of 0.05% by mass or more and 10% by mass or less.
In order to solve the above problems, the gist of an elastic fiber according to one aspect of the present invention is that the treatment agent for elastic fibers is adhered thereto.
　本発明によれば、弾性繊維の平滑性及び他素材との接着性を向上できる。 According to the present invention, it is possible to improve the smoothness of elastic fibers and the adhesiveness to other materials.
　（第１実施形態）
　以下、本発明の弾性繊維用処理剤（以下、処理剤ともいう）を具体化した第１実施形態を説明する。本実施形態の処理剤は、平滑剤（Ａ）と、有機リン酸エステル金属塩（Ｂ）とを含む。また、処理剤は、さらにアルコール（Ｃ）を含んでもよい。 (First embodiment)
A first embodiment of a treatment agent for elastic fibers (hereinafter also referred to as a treatment agent) of the present invention will be described below. The processing agent of the present embodiment contains a smoothing agent (A) and an organic phosphoric acid ester metal salt (B). Moreover, the processing agent may further contain an alcohol (C).
　本実施形態の処理剤に供される平滑剤（Ａ）は、ベース成分として処理剤に配合され、弾性繊維に平滑性を付与する。平滑剤（Ａ）は、少なくともシリコーン（Ａ１）及び下記の鉱物油（Ａ２）を含む。 The smoothing agent (A) used in the treatment agent of the present embodiment is blended into the treatment agent as a base component and imparts smoothness to the elastic fibers. Lubricant (A) comprises at least silicone (A1) and mineral oil (A2) described below.
　シリコーン（Ａ１）としては、シリコーン油が挙げられる。シリコーン油の具体例としては、例えばジメチルシリコーン、フェニル変性シリコーン、アミノ変性シリコーン、アミド変性シリコーン、ポリエーテル変性シリコーン、アミノポリエーテル変性シリコーン、アルキル変性シリコーン、アルキルアラルキル変性シリコーン、アルキルポリエーテル変性シリコーン、エステル変性シリコーン、エポキシ変性シリコーン、カルビノール変性シリコーン、メルカプト変性シリコーン、ポリオキシアルキレン変性シリコーン等が挙げられる。これらのシリコーン油は、動粘度等によって規定される市販品を適宜採用してもよい。動粘度は、適宜設定されるが、２５℃における動粘度が２ｃｓｔ（ｍｍ２／ｓ）以上１００００ｃｓｔ（ｍｍ２／ｓ）以下であることが好ましく、３ｃｓｔ（ｍｍ２／ｓ）以上７０００ｃｓｔ（ｍｍ２／ｓ）以下であることがより好ましい。なお、上記の上限及び下限を任意に組み合わせた範囲も想定される。２５℃における動粘度は、ＪＩＳ　Ｚ　８８０３に準拠して測定される。シリコーン（Ａ１）は、１種のシリコーンを単独で使用してもよく、２種以上のシリコーンを組み合わせて使用してもよい。 Examples of silicone (A1) include silicone oils. Specific examples of silicone oils include dimethylsilicone, phenyl-modified silicone, amino-modified silicone, amide-modified silicone, polyether-modified silicone, aminopolyether-modified silicone, alkyl-modified silicone, alkylaralkyl-modified silicone, alkylpolyether-modified silicone, ester-modified silicone, epoxy-modified silicone, carbinol-modified silicone, mercapto-modified silicone, and polyoxyalkylene-modified silicone. Commercially available products defined by kinematic viscosity and the like may be appropriately adopted as these silicone oils. The kinematic viscosity is appropriately set, but the kinematic viscosity at 25° C. is preferably 2 cst (mm 2 /s) or more and 10000 cst (mm 2 /s) or less, more preferably 3 cst (mm 2 /s) or more and 7000 cst (mm 2 /s) or less. Ranges in which the above upper and lower limits are arbitrarily combined are also envisioned. Kinematic viscosity at 25°C is measured according to JIS Z 8803. As the silicone (A1), one type of silicone may be used alone, or two or more types of silicones may be used in combination.
　処理剤中におけるシリコーン（Ａ１）の含有割合の下限は、好ましくは１０質量％以上、より好ましくは１５質量％以上である。かかる含有割合が１０質量％以上の場合、処理剤が付与された弾性繊維の平滑性を向上できる。処理剤中におけるシリコーン（Ａ１）の含有割合の上限は、好ましくは９０質量％以下、より好ましくは８５質量％以下である。かかる含有割合が９０質量％以下の場合、本発明の効果をより向上できる。なお、上記の上限及び下限を任意に組み合わせた範囲も想定される。 The lower limit of the content of silicone (A1) in the treatment agent is preferably 10% by mass or more, more preferably 15% by mass or more. When the content is 10% by mass or more, the smoothness of the elastic fibers to which the treatment agent is applied can be improved. The upper limit of the content of silicone (A1) in the treatment agent is preferably 90% by mass or less, more preferably 85% by mass or less. When the content is 90% by mass or less, the effect of the present invention can be further improved. Ranges in which the above upper and lower limits are arbitrarily combined are also envisioned.
　シリコーン（Ａ１）は、ポリエーテル変性シリコーンを含むことが好ましい。シリコーン（Ａ１）がポリエーテル変性シリコーンを含むことにより、平滑性をより向上できる。
　ポリエーテル変性シリコーンとしては、公知のものを適宜採用できる。ポリエーテル変性シリコーンとして例えばオキシアルキレン鎖を有するポリエーテル変性シリコーンが挙げられる。オキシアルキレン鎖の原料となるアルキレンオキサイドの具体例としては、例えばエチレンオキサイド、プロピレンオキサイド等が挙げられる。アルキレンオキサイドは、１種類のアルキレンオキサイドを単独で使用してもよいし、２種以上のアルキレンオキサイドを適宜組み合わせて使用してもよい。アルキレンオキサイドが２種類以上適用される場合、それらの付加形態は、ブロック付加、ランダム付加、及びブロック付加とランダム付加の組み合わせのいずれでもよく、特に制限はない。 Silicone (A1) preferably contains a polyether-modified silicone. When silicone (A1) contains polyether-modified silicone, smoothness can be further improved.
As the polyether-modified silicone, a known one can be used as appropriate. Examples of polyether-modified silicones include polyether-modified silicones having oxyalkylene chains. Specific examples of the alkylene oxide as a starting material for the oxyalkylene chain include ethylene oxide and propylene oxide. As for the alkylene oxide, one type of alkylene oxide may be used alone, or two or more types of alkylene oxide may be used in combination as appropriate. When two or more types of alkylene oxides are applied, their addition mode may be block addition, random addition, or a combination of block addition and random addition, and is not particularly limited.
　ポリエーテル変性シリコーンとしては、例えばＡＢｎ型ポリエーテル変性シリコーン、側鎖型ポリエーテル変性シリコーン、両末端型ポリエーテル変性シリコーン、ポリエーテル基とアルキル基の両方が側鎖又は末端に導入されたアルキルポリエーテル変性シリコーン、側鎖型ポリエーテル変性シリコーンのポリエーテル鎖末端部分が脂肪族化合物又は脂肪酸化合物で封鎖されたもの、両末端型ポリエーテル変性シリコーンのポリエーテル鎖末端部分が脂肪族化合物又は脂肪酸化合物で封鎖されたもの等が挙げられる。これらのポリエーテル変性シリコーンとしては、動粘度等によって規定される市販品を適宜採用してもよい。動粘度は、適宜設定されるが、２５℃における動粘度が１００ｃｓｔ（ｍｍ２／ｓ）以上１００００ｃｓｔ（ｍｍ２／ｓ）以下であることが好ましく、５００ｃｓｔ（ｍｍ２／ｓ）以上７０００ｃｓｔ（ｍｍ２／ｓ）以下であることがより好ましい。上記の上限及び下限を任意に組み合わせた範囲も想定される。なお、ポリエーテル変性シリコーンが複数種類使用される場合の動粘度は、使用する複数のポリエーテル変性シリコーンの混合物の実際の測定値である。ポリエーテル変性シリコーンは、１種のポリエーテル変性シリコーンを単独で使用してもよく、２種以上のポリエーテル変性シリコーンを組み合わせて使用してもよい。 Examples of polyether-modified silicones include ABn-type polyether-modified silicones, side chain-type polyether-modified silicones, double-end polyether-modified silicones, alkyl polyether-modified silicones in which both a polyether group and an alkyl group are introduced into the side chain or end, side-chain polyether-modified silicones in which the polyether chain ends are blocked with an aliphatic compound or a fatty acid compound, and double-end polyether-modified silicones in which the polyether chain ends are blocked with an aliphatic compound or a fatty acid compound. As these polyether-modified silicones, commercially available products defined by kinematic viscosity and the like may be employed as appropriate. Although the kinematic viscosity is set appropriately, the kinematic viscosity at 25° C. is preferably 100 cst (mm 2 /s) or more and 10000 cst (mm 2 /s) or less, more preferably 500 cst (mm 2 / s) or more and 7000 cst (mm 2 /s) or less. Ranges with any combination of the above upper and lower limits are also envisioned. The kinematic viscosity when multiple types of polyether-modified silicones are used is the actual measured value of a mixture of multiple polyether-modified silicones used. As the polyether-modified silicone, one polyether-modified silicone may be used alone, or two or more polyether-modified silicones may be used in combination.
　処理剤中におけるポリエーテル変性シリコーンの含有割合の下限は、好ましくは０．０５質量％以上、より好ましくは０．１質量％以上である。かかる含有割合が０．０５質量％以上の場合、処理剤が付与された弾性繊維の平滑性を向上できる。ポリエーテル変性シリコーンの含有割合の上限は、好ましくは５質量％以下、より好ましくは４質量％以下である。かかる含有割合が５質量％以下の場合、本発明の効果をより向上できる。なお、上記の上限及び下限を任意に組み合わせた範囲も想定される。 The lower limit of the polyether-modified silicone content in the treatment agent is preferably 0.05% by mass or more, more preferably 0.1% by mass or more. When the content is 0.05% by mass or more, the smoothness of the elastic fibers to which the treatment agent is applied can be improved. The upper limit of the polyether-modified silicone content is preferably 5% by mass or less, more preferably 4% by mass or less. When the content is 5% by mass or less, the effect of the present invention can be further improved. Ranges in which the above upper and lower limits are arbitrarily combined are also envisioned.
　本実施形態の処理剤に供される鉱物油（Ａ２）としては、パラフィン成分、ナフテン成分、アロマ成分より構成される一般的な石油留分が挙げられる。鉱物油中のアロマ成分、ナフテン成分、パラフィン成分の各定性と含有量は、ＡＳＴＭのＤ３２３８に規定されたｎ－ｄ－Ｍ法による環分析により行われ、アロマ成分、ナフテン成分、パラフィン成分の含有量はそこに記載されている％ＣＡ、％ＣＮ、％ＣＰの値と同義である。 Mineral oils (A2) to be used in the treatment agent of the present embodiment include common petroleum fractions composed of paraffinic components, naphthenic components, and aromatic components. The qualitative properties and contents of aromatic components, naphthenic components, and paraffinic components in the mineral oil are determined by ring analysis by the ndM method specified in ASTM D3238, and the contents of the aromatic components, naphthenic components, and paraffinic components are synonymous with the values of %C A , %C N , and % CP described therein.
　鉱物油（Ａ２）中におけるアロマ成分の含有割合は、１質量％以上であり、好ましくは１．５質量％以上である。かかる含有割合を１質量％以上に規定することにより、処理剤が付与された弾性繊維の他素材との接着性を向上できる。 The content of the aroma component in the mineral oil (A2) is 1% by mass or more, preferably 1.5% by mass or more. By setting the content ratio to 1% by mass or more, the adhesiveness of the elastic fibers to which the treatment agent is applied to other materials can be improved.
　鉱物油（Ａ２）は、動粘度等によって規定される市販品を適宜採用してもよい。動粘度は、適宜設定されるが、２５℃における動粘度が２ｃｓｔ（ｍｍ２／ｓ）以上１００ｃｓｔ（ｍｍ２／ｓ）以下であることが好ましい。なお、２５℃における粘度は、キャノンフェンスケ粘度計を用いて測定される。また、複数種類の鉱物油が適用される場合は、全ての鉱物油を混合した際の動粘度の値が採用される。 As the mineral oil (A2), commercially available products defined by kinematic viscosity and the like may be appropriately adopted. Although the kinematic viscosity is set appropriately, it is preferable that the kinematic viscosity at 25° C. is 2 cst (mm 2 /s) or more and 100 cst (mm 2 /s) or less. The viscosity at 25°C is measured using a Canon Fenske viscometer. Moreover, when multiple kinds of mineral oils are applied, the value of kinematic viscosity at the time of mixing all the mineral oils is employ|adopted.
　処理剤中における鉱物油（Ａ２）の含有割合の下限は、好ましくは２０質量％以上、より好ましくは４５質量％以上である。かかる含有割合が２０質量％以上の場合、処理剤が付与された弾性繊維の平滑性を向上できる。かかる含有割合が４５質量％以上の場合、処理剤が付与された弾性繊維の他素材との接着性を向上できる。処理剤中における鉱物油（Ａ２）の含有割合の上限は、好ましくは８５質量％以下、より好ましくは８０質量％以下である。かかる含有割合が８５質量％以下の場合、本発明の効果をより向上できる。なお、上記の上限及び下限を任意に組み合わせた範囲も想定される。 The lower limit of the content of mineral oil (A2) in the treatment agent is preferably 20% by mass or more, more preferably 45% by mass or more. When the content is 20% by mass or more, the smoothness of the elastic fibers to which the treatment agent is applied can be improved. When the content is 45% by mass or more, the adhesiveness of the treated elastic fibers to other materials can be improved. The upper limit of the content of mineral oil (A2) in the treating agent is preferably 85% by mass or less, more preferably 80% by mass or less. When the content is 85% by mass or less, the effects of the present invention can be further improved. Ranges in which the above upper and lower limits are arbitrarily combined are also envisioned.
　処理剤中において、シリコーン（Ａ１）及び鉱物油（Ａ２）の質量比が、シリコーン（Ａ１）／鉱物油（Ａ２）＝１５／８５～８０／２０、好ましくは１８／８２～７８／２２である。なお、上記の上限及び下限を任意に組み合わせた範囲も想定される。シリコーン（Ａ１）及び鉱物油（Ａ２）の質量比をかかる範囲に規定することにより、処理剤が付与された弾性繊維の平滑性及び他素材との接着性を向上できる。 In the treatment agent, the mass ratio of silicone (A1) and mineral oil (A2) is silicone (A1)/mineral oil (A2) = 15/85 to 80/20, preferably 18/82 to 78/22. Ranges in which the above upper and lower limits are arbitrarily combined are also envisioned. By setting the mass ratio of the silicone (A1) and the mineral oil (A2) within this range, the smoothness of the elastic fibers to which the treatment agent is applied and the adhesiveness to other materials can be improved.
　本実施形態の処理剤において、上記以外の追加の平滑剤を併用してもよい。追加の平滑剤としては、公知のものを適宜採用できる。追加の平滑剤としては、例えばエステル油、ポリオレフィン等が挙げられる。 An additional smoothing agent other than the above may be used in combination with the treatment agent of the present embodiment. As the additional smoothing agent, a known one can be appropriately employed. Additional lubricating agents include, for example, ester oils, polyolefins, and the like.
　エステル油としては、特に制限はないが、脂肪酸とアルコールとから製造されるエステル油が挙げられる。エステル油は、例えば後述する奇数又は偶数の炭化水素基を有する脂肪酸とアルコールとから製造されてもよい。 The ester oil is not particularly limited, but includes an ester oil produced from fatty acid and alcohol. Ester oils may be produced, for example, from fatty acids and alcohols having an odd or even number of hydrocarbon groups as described below.
　エステル油の原料である脂肪酸は、その炭素数、分岐の有無、価数等について特に制限はなく、また、例えば高級脂肪酸であってもよく、シクロ環を有する脂肪酸であってもよく、芳香族環を有する脂肪酸であってもよい。エステル油の原料であるアルコールは、その炭素数、分岐の有無、価数等について特に制限はなく、また、例えば高級アルコールであっても、シクロ環を有するアルコールであっても、芳香族環を有するアルコールであってもよい。 The fatty acid, which is the raw material of the ester oil, is not particularly limited in terms of the number of carbon atoms, the presence or absence of branching, the valence, etc., and may be, for example, a higher fatty acid, a fatty acid having a cyclo ring, or a fatty acid having an aromatic ring. The number of carbon atoms, the presence or absence of branching, the valence, etc. of the alcohol, which is the raw material of the ester oil, is not particularly limited, and may be, for example, a higher alcohol, an alcohol having a cyclo ring, or an alcohol having an aromatic ring.
　エステル油の具体例としては、例えば（１）オクチルパルミタート、オレイルラウラート、オレイルオレアート、イソトリデシルステアラート、イソテトラコシルオレアート等の、脂肪族モノアルコールと脂肪族モノカルボン酸とのエステル化合物、（２）１，６－ヘキサンジオールジデカナート、グリセリントリオレアート、トリメチロールプロパントリラウラート、ペンタエリスリトールテトラオクタナート等の、脂肪族多価アルコールと脂肪族モノカルボン酸とのエステル化合物、（３）ジオレイルアゼラート、チオジプロピオン酸ジオレイル、チオジプロピオン酸ジイソセチル、チオジプロピオン酸ジイソステアリル等の、脂肪族モノアルコールと脂肪族多価カルボン酸とのエステル化合物、（４）ベンジルオレアート、ベンジルラウラート等の、芳香族モノアルコールと脂肪族モノカルボン酸とのエステル化合物、（５）ビスフェノールＡジラウラート等の、芳香族多価アルコールと脂肪族モノカルボン酸との完全エステル化合物、（６）ビス２－エチルヘキシルフタラート、ジイソステアリルイソフタラート、トリオクチルトリメリタート等の、脂肪族モノアルコールと芳香族多価カルボン酸との完全エステル化合物、（７）ヤシ油、ナタネ油、ヒマワリ油、大豆油、ヒマシ油、ゴマ油、魚油及び牛脂等の天然油脂等が挙げられる。 Specific examples of ester oils include (1) ester compounds of aliphatic monoalcohols and aliphatic monocarboxylic acids such as octyl palmitate, oleyl laurate, oleyl oleate, isotridecyl stearate and isotetracosyl oleate; (3) Ester compounds of aliphatic monoalcohols and aliphatic polycarboxylic acids such as dioleyl azelate, dioleyl thiodipropionate, diisocetyl thiodipropionate and diisostearyl thiodipropionate, (4) Ester compounds of aromatic monoalcohols and aliphatic monocarboxylic acids such as benzyl oleate and benzyl laurate, (5) Full esters of aromatic polyhydric alcohols and aliphatic monocarboxylic acids such as bisphenol A dilaurate (6) complete ester compounds of aliphatic monoalcohols and aromatic polycarboxylic acids such as bis 2-ethylhexyl phthalate, diisostearyl isophthalate and trioctyl trimellitate; and (7) natural oils and fats such as coconut oil, rapeseed oil, sunflower oil, soybean oil, castor oil, sesame oil, fish oil and beef tallow.
　ポリオレフィンは、平滑成分として用いられるポリ－α－オレフィンが適用される。ポリオレフィンの具体例としては、例えば１－ブテン、１－ヘキセン、１－デセン等を重合して得られるポリ－α－オレフィン等が挙げられる。ポリ－α－オレフィンは、市販品を適宜採用してもよい。 For polyolefin, poly-α-olefin used as a smoothing component is applied. Specific examples of polyolefins include poly-α-olefins obtained by polymerizing 1-butene, 1-hexene, 1-decene, and the like. Commercially available poly-α-olefins may be used as appropriate.
　追加の平滑剤は、１種の平滑剤を単独で使用してもよく、２種以上の平滑剤を組み合わせて使用してもよい。
　なお、全平滑剤中におけるシリコーン（Ａ１）と鉱物油（Ａ２）との含有割合の合計は、本発明の効能を効率的に発揮する観点から好ましくは８０質量％以上、より好ましくは９０質量％以上である。 As for the additional smoothing agent, one type of smoothing agent may be used alone, or two or more types of smoothing agents may be used in combination.
The total content of silicone (A1) and mineral oil (A2) in the total smoothing agent is preferably 80% by mass or more, more preferably 90% by mass or more, from the viewpoint of efficiently exhibiting the effects of the present invention.
　本実施形態の処理剤は、有機リン酸エステル金属塩（Ｂ）を含有することにより、処理剤が付与された弾性繊維の平滑性及び解舒性を向上できる。
　本実施形態の処理剤に供する有機リン酸エステル金属塩（Ｂ）としては、例えばアルキルリン酸エステルの金属塩、アルケニルリン酸エステルの金属塩、（ポリ）アルキレンオキサイド鎖を付加したアルキルリン酸エステル又はアルケニルリン酸エステルの金属塩等が挙げられる。 The processing agent of the present embodiment can improve the smoothness and unwindability of the elastic fibers to which the processing agent is applied by containing the organophosphate metal salt (B).
Examples of the organic phosphate metal salt (B) used in the treatment agent of the present embodiment include metal salts of alkyl phosphates, metal salts of alkenyl phosphates, and metal salts of alkyl phosphates or alkenyl phosphates to which a (poly)alkylene oxide chain is added.
　有機リン酸エステル金属塩を構成するアルキル基又はアルケニル基は、特に制限はなく、例えば、直鎖状であっても、分岐鎖構造を有するものでもよい。アルキル基又はアルケニル基の炭素数は、特に限定されないが、炭素数１以上３２以下が好ましく、炭素数８以上２２以下がより好ましい。アルキル基の具体例としては、例えばメチル基、エチル基、プロピル基、ブチル基、ペンチル基、ヘキシル基、ヘプチル基、オクチル基、デシル基、ウンデシル基、ドデシル基、トリデシル基、テトラデシル基、ペンタデシル基、ヘキサデシル基、ヘプタデシル基、オクタデシル基、イコシル基、イソブチル基、イソペンチル基、イソヘキシル基、イソヘプチル基、イソオクチル基、イソデシル基、イソウンデシル基、イソドデシル基、イソトリデシル基、イソテトラデシル基、イソペンタデシル基、イソヘキサデシル基、イソヘプタデシル基、イソオクタデシル基、イソイコシル基等が挙げられる。 The alkyl group or alkenyl group that constitutes the metal salt of the organic phosphate is not particularly limited, and may be linear or branched, for example. Although the number of carbon atoms in the alkyl group or alkenyl group is not particularly limited, the number of carbon atoms is preferably 1 or more and 32 or less, and more preferably 8 or more and 22 or less. Specific examples of alkyl groups include methyl, ethyl, propyl, butyl, pentyl, hexyl, heptyl, octyl, decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, icosyl, isobutyl, isopentyl, isohexyl, isoheptyl, isooctyl, and isodecyl groups. syl group, isoundecyl group, isododecyl group, isotridecyl group, isotetradecyl group, isopentadecyl group, isohexadecyl group, isoheptadecyl group, isooctadecyl group, isoicosyl group and the like.
　アルケニル基の具体例としては、例えばブテニル基、ペンテニル基、ヘキセニル基、ヘプテニル基、オクテニル基、ノネニル基、デセニル基、ウンデセニル基、ドデセニル基、トリデセニル基、テトラデセニル基、ペンタデセニル基、ヘキサデセニル基、ヘプタデセニル基、オクタデセニル基、イコセニル基、イソブテニル基、イソペンテニル基、イソヘキセニル基、イソヘプテニル基、イソオクテニル基、イソノネニル基、イソデセニル基、イソウンデセニル基、イソドデセニル基、イソトリデセニル基、イソテトラデセニル基、イソペンタデセニル基、イソヘキサデセニル基、イソヘプタデセニル基、イソオクタデセニル基、イソイコセニル基等が挙げられる。 Specific examples of alkenyl groups include butenyl, pentenyl, hexenyl, heptenyl, octenyl, nonenyl, decenyl, undecenyl, dodecenyl, tridecenyl, tetradecenyl, pentadecenyl, hexadecenyl, heptadecenyl, octadecenyl, icosenyl, isobutenyl, isopentenyl, and isopentenyl groups. xenyl group, isoheptenyl group, isooctenyl group, isononenyl group, isodecenyl group, isoundecenyl group, isododecenyl group, isotridecenyl group, isotetradecenyl group, isopentadecenyl group, isohexadecenyl group, isoheptadecenyl group, isooctadecenyl group, isoicosenyl group and the like.
　（ポリ）オキシアルキレン構造を形成する原料として用いられるアルキレンオキサイドとしては、炭素数２以上４以下のアルキレンオキサイドが好ましい。アルキレンオキサイドの具体例としては、例えばエチレンオキサイド、プロピレンオキサイド、ブチレンオキサイド等が挙げられる。アルキレンオキサイドの付加モル数は、適宜設定されるが、好ましくは０．１モル以上６０モル以下、より好ましくは１モル以上４０モル以下、さらに好ましくは２モル以上３０モル以下である。上記の上限及び下限を任意に組み合わせた範囲も想定される。なお、アルキレンオキサイドの付加モル数は、仕込み原料中における脂肪族アルコール化合物１モルに対するアルキレンオキサイドのモル数を示す。アルキレンオキサイドは、１種類のアルキレンオキサイドを単独で使用してもよいし、又は２種以上のアルキレンオキサイドを適宜組み合わせて使用してもよい。アルキレンオキサイドが２種類以上適用される場合、それらの付加形態は、ブロック付加、ランダム付加、及びブロック付加とランダム付加の組み合わせのいずれでもよく、特に制限はない。 As the alkylene oxide used as a raw material for forming the (poly)oxyalkylene structure, an alkylene oxide having 2 or more and 4 or less carbon atoms is preferable. Specific examples of alkylene oxides include ethylene oxide, propylene oxide, and butylene oxide. The number of moles of alkylene oxide to be added is appropriately set, but is preferably 0.1 to 60 mol, more preferably 1 to 40 mol, and still more preferably 2 to 30 mol. Ranges with any combination of the above upper and lower limits are also envisioned. The number of moles of alkylene oxide added indicates the number of moles of alkylene oxide per 1 mole of the aliphatic alcohol compound in the starting material. As for the alkylene oxide, one type of alkylene oxide may be used alone, or two or more types of alkylene oxide may be used in appropriate combination. When two or more types of alkylene oxides are applied, their addition mode may be block addition, random addition, or a combination of block addition and random addition, and is not particularly limited.
　有機リン酸エステル金属塩（Ｂ）を構成するリン酸は、特に制限はなく、オルトリン酸であってもよいし、二リン酸等のポリリン酸であってもよい。
　有機リン酸エステル金属塩（Ｂ）を構成する金属塩としては、例えばアルカリ金属塩、アルカリ土類金属塩が挙げられる。アルカリ金属塩を構成するアルカリ金属の具体例としては、例えばナトリウム、カリウム、リチウム等が挙げられる。アルカリ土類金属塩を構成するアルカリ土類金属としては、第２族元素に該当する金属、例えばカルシウム、マグネシウム、ベリリウム、ストロンチウム、バリウム等が挙げられる。これらの中で、処理剤が付与された繊維の解舒性に優れる観点から有機リン酸エステルのアルカリ土類金属塩が好ましい。 The phosphoric acid constituting the organic phosphoric acid ester metal salt (B) is not particularly limited, and may be orthophosphoric acid or polyphosphoric acid such as diphosphoric acid.
Examples of the metal salt constituting the organic phosphate metal salt (B) include alkali metal salts and alkaline earth metal salts. Specific examples of alkali metals constituting alkali metal salts include sodium, potassium, and lithium. Alkaline earth metals constituting the alkaline earth metal salt include metals corresponding to group 2 elements such as calcium, magnesium, beryllium, strontium, and barium. Among these, alkaline earth metal salts of organic phosphoric acid esters are preferred from the viewpoint of excellent unwinding properties of fibers to which a treatment agent is applied.
　有機リン酸エステル金属塩（Ｂ）の具体例としては、例えばイソトリデシルエーテルのリン酸エステルのマグネシウム塩、ポリオキシエチレン（ｎ＝５、アルキレンオキサイドの付加モル数を示す（以下同じ））イソオクタデシルエーテルのリン酸エステルのマグネシウム塩、イソオクタデシルエーテルのリン酸エステルのカルシウム塩、トリデシルエーテルのリン酸エステルのマグネシウム塩、イソオクタデシルエーテルのリン酸エステルのナトリウム塩、ポリオキシエチレン（ｎ＝５）イソトリデシルエーテルのリン酸エステルのナトリウム塩等が挙げられる。 Specific examples of the organic phosphate ester metal salt (B) include, for example, magnesium salt of isotridecyl ether phosphate, polyoxyethylene (n = 5, indicating the number of moles of alkylene oxide added (hereinafter the same)) isooctadecyl ether phosphate magnesium salt, isooctadecyl ether phosphate calcium salt, tridecyl ether phosphate magnesium salt, isooctadecyl ether phosphate sodium salt, polyoxyethylene (n = 5) isotridecyl ether phosphate Examples include sodium salts of acid esters.
　有機リン酸エステル金属塩（Ｂ）は、１種類の有機リン酸エステル金属塩を単独で使用してもよいし、又は２種以上の有機リン酸エステル金属塩を適宜組み合わせて使用してもよい。 As the organic phosphate metal salt (B), one type of organic phosphate metal salt may be used alone, or two or more types of organic phosphate metal salts may be used in combination.
　処理剤中における有機リン酸エステル金属塩（Ｂ）の含有割合の下限は、好ましくは０．０５質量％以上、より好ましくは０．１質量％以上である。かかる含有割合が０．０５質量％以上の場合、処理剤が付与された弾性繊維の平滑性及び解舒性を向上できる。有機リン酸エステル金属塩（Ｂ）の含有割合の上限は、好ましくは１０質量％以下、より好ましくは８質量％以下である。かかる含有割合が１０質量％以下の場合、本発明の効果をより向上できる。なお、上記の上限及び下限を任意に組み合わせた範囲も想定される。 The lower limit of the content of the organic phosphate metal salt (B) in the treatment agent is preferably 0.05% by mass or more, more preferably 0.1% by mass or more. When the content is 0.05% by mass or more, the smoothness and unwindability of the elastic fibers to which the treatment agent is applied can be improved. The upper limit of the content of the organic phosphate metal salt (B) is preferably 10% by mass or less, more preferably 8% by mass or less. When the content is 10% by mass or less, the effects of the present invention can be further improved. Ranges in which the above upper and lower limits are arbitrarily combined are also envisioned.
　本実施形態の処理剤に供されるアルコール（Ｃ）としては、分岐鎖を有する１価脂肪族アルコール、直鎖の第二級アルコールが挙げられる。アルコール（Ｃ）により、処理剤が付与された弾性繊維の他素材との接着性を向上できる。 The alcohol (C) used in the treatment agent of the present embodiment includes branched monohydric aliphatic alcohols and linear secondary alcohols. The alcohol (C) can improve the adhesion of the treated elastic fibers to other materials.
　分岐鎖を有する１価脂肪族アルコールの炭素数は、８以上２６以下、好ましくは１０以上２４以下である。また、脂肪族アルコールは、飽和脂肪族アルコールであっても、不飽和脂肪族アルコールであってもよい。また、分岐鎖を構成する炭化水素基について、その分岐位置は特に制限されるものではなく、例えば、α位が分岐した炭素鎖であってもよいし、β位が分岐した炭素鎖であってもよい。また、第一級アルコールであっても、第二級アルコールであってもよい。 The number of carbon atoms in the branched monohydric aliphatic alcohol is 8 or more and 26 or less, preferably 10 or more and 24 or less. Also, the fatty alcohol may be a saturated fatty alcohol or an unsaturated fatty alcohol. In addition, the branched position of the hydrocarbon group constituting the branched chain is not particularly limited, and may be, for example, a carbon chain branched at the α-position or a carbon chain branched at the β-position. Moreover, it may be a primary alcohol or a secondary alcohol.
　分岐鎖を有する１価脂肪族アルコールの具体例としては、例えばイソオクタノール、イソノナノール、イソデカノール、イソドデカノール、イソトリデカノール、イソテトラデカノール、イソヘキサデカノール、イソヘプタデカノール、イソオクタデカノール、イソノナデカノール、イソエイコサノール、イソヘンエイコサノール、イソドコサノール、イソトリコサノール、イソテトラコサノール、イソペンタコサノール、イソヘキサコサノール等が挙げられる。 Specific examples of branched monovalent aliphatic alcohols include isooctanol, isononanol, isodecanol, isododecanol, isotridecanol, isotetradecanol, isohexadecanol, isoheptadecanol, isooctadecanol, isononadecanol, isoeicosanol, isoheneicosanol, isodocosanol, isotrichosanol, isotetracosanol, isopentacosanol, and isohexacosanol.
　脂肪族アルコールを構成するアルキル鎖のβ位に分岐鎖を有する１価脂肪族アルコール、つまりゲルベアルコールの具体例としては、例えば２－エチル－１－プロパノール、２－エチル－１－ブタノール、２－エチル－１－ヘキサノール、２－エチル－１－オクタノール、２－エチル－デカノール、２－ブチル－１－ヘキサノール、２－ブチル－１－オクタノール、２－ブチル－１－デカノール、２－ヘキシル－１－オクタノール、２－ヘキシル－１－デカノール、２－オクチル－１－デカノール、２－オクチル－１－ドデカノール、２－ヘキシル－１－ドデカノール、２－（１，３，３－トリメチルブチル）－５，７，７－トリメチル－１－オクタノール、２－（４－メチルヘキシル）－８－メチル－１－デカノール、２－（１，５－ジメチルヘキシル）－５，９－ジメチル－１－デカノール、２－デシル－１－テトラデカノール等が挙げられる。 Specific examples of monovalent aliphatic alcohols having a branched chain at the β-position of the alkyl chain that constitutes the aliphatic alcohol, that is, Guerbet alcohols include 2-ethyl-1-propanol, 2-ethyl-1-butanol, 2-ethyl-1-hexanol, 2-ethyl-1-octanol, 2-ethyl-decanol, 2-butyl-1-hexanol, 2-butyl-1-octanol, 2-butyl-1-decanol, 2-hexyl-1-octanol, 2- Hexyl-1-decanol, 2-octyl-1-decanol, 2-octyl-1-dodecanol, 2-hexyl-1-dodecanol, 2-(1,3,3-trimethylbutyl)-5,7,7-trimethyl-1-octanol, 2-(4-methylhexyl)-8-methyl-1-decanol, 2-(1,5-dimethylhexyl)-5,9-dimethyl-1-decanol, 2-decyl-1 - tetradecanol and the like.
　直鎖の第二級アルコールは、直鎖の炭化水素基を有する１価の脂肪族アルコールであってもよい。直鎖の第二級アルコールの炭素数は、好ましくは６以上２４以下、より好ましく８以上２２以下である。第二級アルコールは、飽和脂肪族アルコールであっても、不飽和脂肪族アルコールであってもよい。炭化水素基中の水酸基の結合位置は特に制限されるものではなく、例えばβ位等が挙げられる。 The linear secondary alcohol may be a monohydric aliphatic alcohol having a linear hydrocarbon group. The number of carbon atoms in the linear secondary alcohol is preferably 6 or more and 24 or less, more preferably 8 or more and 22 or less. Secondary alcohols may be saturated or unsaturated fatty alcohols. The bonding position of the hydroxyl group in the hydrocarbon group is not particularly limited, and examples thereof include the β-position.
　直鎖の第二級アルコールの具体例としては、例えば２－ヘキサノール、２－オクタノール、２－ノナノール、２－デカノール、２－ウンデカノール、２－ドデカノール、２－トリデカノール、２－テトラデカノール、２－ペンタデカノール、２－ヘキサデカノール、２－ヘプタデカノール、２－オクタデカノール、２－ノナデカノール、２－エイコサノール、２－ヘンエイコサノール、２－ドコサノール、２－トリコサノール、２－テトラコサノール等が挙げられる。 Specific examples of linear secondary alcohols include 2-hexanol, 2-octanol, 2-nonanol, 2-decanol, 2-undecanol, 2-dodecanol, 2-tridecanol, 2-tetradecanol, 2-pentadecanol, 2-hexadecanol, 2-heptadecanol, 2-octadecanol, 2-nonadecanol, 2-eicosanol, 2-heneicosanol, 2-docosanol, 2-tricosa and 2-tetracosanol.
　アルコール（Ｃ）は、１種のアルコールを単独で使用してもよく、２種以上のアルコールを組み合わせて使用してもよい。
　処理剤中におけるアルコール（Ｃ）の含有割合の下限は、好ましくは０．０５質量％以上、より好ましくは０．１質量％以上である。かかる含有割合が０．０５質量％以上の場合、処理剤が付与された弾性繊維の他素材との接着性を向上できる。アルコール（Ｃ）の含有割合の上限は、好ましくは１０質量％以下、より好ましくは８質量％以下である。かかる含有割合が１０質量％以下の場合、本発明の効果をより向上できる。なお、上記の上限及び下限を任意に組み合わせた範囲も想定される。 Alcohol (C) may be used singly or in combination of two or more alcohols.
The lower limit of the alcohol (C) content in the treatment agent is preferably 0.05% by mass or more, more preferably 0.1% by mass or more. When the content ratio is 0.05% by mass or more, the adhesiveness of the elastic fibers to which the treatment agent is applied to other materials can be improved. The upper limit of the alcohol (C) content is preferably 10% by mass or less, more preferably 8% by mass or less. When the content is 10% by mass or less, the effects of the present invention can be further improved. Ranges in which the above upper and lower limits are arbitrarily combined are also envisioned.
　（第２実施形態）
　次に、本発明に係る弾性繊維を具体化した第２実施形態について説明する。本実施形態の弾性繊維には、第１実施形態の処理剤が付着している。弾性繊維に対する第１実施形態の処理剤の付着量は、特に制限はないが、本発明の効果をより向上させる観点から、溶媒を含まない処理剤の量として０．１質量％以上１０質量％以下の割合で付着していることが好ましい。 (Second embodiment)
Next, a second embodiment embodying the elastic fiber according to the present invention will be described. The treatment agent of the first embodiment is attached to the elastic fibers of the present embodiment. The amount of the treatment agent of the first embodiment attached to the elastic fibers is not particularly limited, but from the viewpoint of further improving the effects of the present invention, the amount of the treatment agent that does not contain a solvent is preferably 0.1% by mass or more and 10% by mass or less.
　弾性繊維としては、特に制限はないが、例えばポリエステル系弾性繊維、ポリアミド系弾性繊維、ポリオレフィン系弾性繊維、ポリウレタン系弾性繊維等が挙げられる。これらの中でもポリウレタン系弾性繊維が好ましい。かかる場合に本発明の効果の発現をより高くできる。 The elastic fibers are not particularly limited, but examples include polyester elastic fibers, polyamide elastic fibers, polyolefin elastic fibers, and polyurethane elastic fibers. Among these, polyurethane elastic fibers are preferred. In such a case, the effect of the present invention can be expressed more highly.
　本実施形態の弾性繊維の製造方法は、第１実施形態の処理剤を弾性繊維に給油することを含む。処理剤の給油方法としては、希釈することなくニート給油法により、弾性繊維の紡糸工程において弾性繊維に付着させる方法が好ましい。付着方法としては、例えばローラー給油法、ガイド給油法、スプレー給油法等の公知の方法が適用できる。給油ローラーは通常、口金から巻き取りトラバースまでの間に位置することが一般的であり、本実施形態の製造方法にも適用できる。これらの中でも延伸ローラーと延伸ローラーの間に位置する給油ローラーにて第１実施形態の処理剤を弾性繊維、例えばポリウレタン系弾性繊維に付着させることが効果の発現が顕著であるため好ましい。 The elastic fiber production method of the present embodiment includes oiling the elastic fiber with the treatment agent of the first embodiment. As a method of lubricating the treatment agent, a method of adhering it to the elastic fibers in the spinning process of the elastic fibers by a neat lubrication method without dilution is preferable. As the adhesion method, a known method such as a roller lubrication method, a guide lubrication method, a spray lubrication method, or the like can be applied. The oil supply roller is generally positioned between the spinneret and the winding traverse, and can be applied to the manufacturing method of this embodiment. Among these, it is preferable to apply the treatment agent of the first embodiment to elastic fibers, such as polyurethane elastic fibers, with an oil supply roller positioned between the drawing rollers, because the effect is remarkably manifested.
　本実施形態に適用される弾性繊維自体の製造方法は、特に限定されず、公知の方法で製造が可能である。例えば湿式紡糸法、溶融紡糸法、乾式紡糸法等が挙げられる。これらの中でも、弾性繊維の品質及び製造効率が優れる観点から乾式紡糸法が好ましく適用される。 The method of manufacturing the elastic fiber itself applied to this embodiment is not particularly limited, and can be manufactured by a known method. Examples thereof include wet spinning, melt spinning, dry spinning, and the like. Among these, the dry spinning method is preferably applied from the viewpoint of excellent elastic fiber quality and manufacturing efficiency.
　本実施形態の処理剤及び弾性繊維の効果について説明する。
　（１）本実施形態の処理剤は、シリコーン（Ａ１）及び上述した鉱物油（Ａ２）を所定の比率で含む平滑剤（Ａ）と、上述した有機リン酸エステル金属塩（Ｂ）とを含有する。したがって、処理剤が付与された弾性繊維の平滑性の向上及び弾性繊維の他素材との接着性の向上という各効能の両立を十分に図ることができる。また、処理剤が付与された弾性繊維が解舒性を向上できる。 The effect of the treatment agent and elastic fiber of this embodiment will be described.
(1) The treatment agent of the present embodiment contains a smoothing agent (A) containing silicone (A1) and the mineral oil (A2) described above at a predetermined ratio, and the organic phosphate ester metal salt (B) described above. Therefore, it is possible to sufficiently achieve both of the effects of improving the smoothness of the elastic fibers to which the treatment agent is applied and improving the adhesiveness of the elastic fibers to other materials. In addition, the elastic fibers to which the treatment agent is applied can improve the unwindability.
　（２）本実施形態の処理剤が、所定量のポリエーテル変性シリコーンを更に含む場合、処理剤が付与された弾性繊維の平滑性を向上できる。
　（３）本実施形態の処理剤が、上述したアルコール（Ｃ）を更に含む場合、弾性繊維の他素材との接着性をより向上できる。 (2) When the treatment agent of the present embodiment further contains a predetermined amount of polyether-modified silicone, the smoothness of the elastic fibers to which the treatment agent is applied can be improved.
(3) When the treatment agent of the present embodiment further contains the alcohol (C) described above, the adhesiveness of the elastic fibers to other materials can be further improved.
　なお、上記実施形態は以下のように変更してもよい。上記実施形態及び以下の変更例は、技術的に矛盾しない範囲で互いに組み合わせて実施できる。
　・上記実施形態の処理剤には、本発明の効果を阻害しない範囲内において、その他成分として処理剤の品質保持のための安定化剤、制電剤、つなぎ剤、酸化防止剤、紫外線吸収剤等の通常処理剤に用いられる成分をさらに配合してもよい。なお、その他成分の処理剤中における含有割合は、本発明の効能を効率的に発揮する観点から好ましくは１０質量％以下、より好ましくは５質量％以下である。 Note that the above embodiment may be modified as follows. The above embodiments and the following modifications can be combined with each other within a technically consistent range.
- The processing agent of the above-described embodiment may further contain, as other components, components commonly used in processing agents, such as stabilizers, antistatic agents, binders, antioxidants, and UV absorbers for maintaining the quality of the processing agent, as long as they do not impede the effects of the present invention. The content of other components in the treatment agent is preferably 10% by mass or less, more preferably 5% by mass or less, from the viewpoint of efficiently exhibiting the effects of the present invention.
　以下、本発明の構成及び効果をより具体的に説明するために実施例等を挙げるが、本発明がこれらの実施例に限定されるものではない。尚、以下の実施例及び比較例において、部は質量部を、また％は質量％を意味する。 Examples are given below to more specifically explain the configuration and effects of the present invention, but the present invention is not limited to these examples. In the following examples and comparative examples, "part" means "mass part" and "%" means "mass%".
　試験区分１（処理剤の調製）
　各実施例、各比較例に用いた処理剤は、表１に示される各成分を使用し、下記調製方法により調製した。 Test category 1 (preparation of treatment agent)
The processing agents used in each example and each comparative example were prepared by using each component shown in Table 1 and by the following preparation method.
　（実施例１）
　平滑剤（Ａ）として２５℃における動粘度が１０ｃｓｔ（ｍｍ２／ｓ）であるジメチルシリコーン（ＡＳ－１）４６部（％）、２５℃における動粘度が１０００ｍｍ２／ｓ、シリコーン主鎖／ポリエーテル側鎖＝８０／２０（質量比）、エチレンオキサイド／プロピレンオキサイド＝５０／５０（モル比）のポリエーテル変性シリコーン（ＡＳ－３）３部（％）、アロマ成分が２．５％、２５℃における動粘度が１１ｃＳｔ（ｍｍ２／ｓ）の鉱物油（ＡＭ－１）４７部（％）、有機リン酸エステル金属塩（Ｂ）としてイソトリデシルエーテルのリン酸エステルのマグネシウム塩（Ｂ－１）３部（％）、アルコール（Ｃ）として２－ヘキシル－１－デカノール（Ｃ－１）１部（％）をよく混合して均一にすることで実施例１の処理剤を調製した。 (Example 1)
平滑剤（Ａ）として２５℃における動粘度が１０ｃｓｔ（ｍｍ ２ ／ｓ）であるジメチルシリコーン（ＡＳ－１）４６部（％）、２５℃における動粘度が１０００ｍｍ ２ ／ｓ、シリコーン主鎖／ポリエーテル側鎖＝８０／２０（質量比）、エチレンオキサイド／プロピレンオキサイド＝５０／５０（モル比）のポリエーテル変性シリコーン（ＡＳ－３）３部（％）、アロマ成分が２．５％、２５℃における動粘度が１１ｃＳｔ（ｍｍ ２ ／ｓ）の鉱物油（ＡＭ－１）４７部（％）、有機リン酸エステル金属塩（Ｂ）としてイソトリデシルエーテルのリン酸エステルのマグネシウム塩（Ｂ－１）３部（％）、アルコール（Ｃ）として２－ヘキシル－１－デカノール（Ｃ－１）１部（％）をよく混合して均一にすることで実施例１の処理剤を調製した。
　（実施例２～２４、比較例１～５）
　実施例２～２４、比較例１～５は、実施例１と同様にして平滑剤（Ａ）、有機リン酸エステル金属塩（Ｂ）、及びアルコール（Ｃ）を表１に示した割合で混合することで処理剤を調製した。 (Examples 2 to 24, Comparative Examples 1 to 5)
In Examples 2 to 24 and Comparative Examples 1 to 5, the treatment agent was prepared by mixing the smoothing agent (A), the metal salt of organic phosphate (B), and the alcohol (C) in the same manner as in Example 1 in the proportions shown in Table 1.
　各例の処理剤中におけるシリコーン（Ａ１）、鉱物油（Ａ２）、有機リン酸エステル金属塩（Ｂ）、及びアルコール（Ｃ）の各成分の種類、各成分の含有割合の合計を１００％とした場合における各成分の比率を、表１の「シリコーン（Ａ１）」欄、「鉱物油（Ａ２）」欄、「有機リン酸エステル金属塩（Ｂ）」欄、「アルコール（Ｃ）」欄にそれぞれ示す。また、各例の処理剤中におけるシリコーン（Ａ１）と鉱物油（Ａ２）の質量比を、表１の「シリコーン（Ａ１）／鉱物油（Ａ２）質量比」欄に示す。 The type of each component of silicone (A1), mineral oil (A2), organic phosphate metal salt (B), and alcohol (C) in the treatment agent of each example, and the ratio of each component when the total content of each component is 100% are shown in the "Silicone (A1)" column, "Mineral oil (A2)" column, "Organic phosphate metal salt (B)" column, and "Alcohol (C)" column in Table 1, respectively. The mass ratio of silicone (A1) to mineral oil (A2) in the treatment agent of each example is shown in Table 1, "Silicone (A1)/Mineral Oil (A2) Mass Ratio" column.
　表１に記載のシリコーン（Ａ１）、鉱物油（Ａ２）、有機リン酸エステル金属塩（Ｂ）、及びアルコール（Ｃ）の詳細は以下のとおりである。
　（シリコーン（Ａ１））
　ＡＳ－１：２５℃における動粘度が１０ｃＳｔ（ｍｍ２／ｓ）であるジメチルシリコーン
　ＡＳ－２：２５℃における動粘度が２０ｃＳｔ（ｍｍ２／ｓ）であるジメチルシリコーン
　ＡＳ－３：２５℃における動粘度が１０００ｍｍ２／ｓ、シリコーン主鎖／ポリエーテル側鎖＝８０／２０（質量比）、エチレンオキサイド／プロピレンオキサイド＝５０／５０（モル比）のポリエーテル変性シリコーン
　ＡＳ－４：２５℃における動粘度が２２００ｍｍ２／ｓ、シリコーン主鎖／ポリエーテル側鎖＝６０／４０（質量比）、エチレンオキサイド／プロピレンオキサイド＝４０／６０（モル比）のポリエーテル変性シリコーン
　（鉱物油（Ａ２））
　ＡＭ－１：アロマ成分が２．５％、２５℃における動粘度が１１ｃＳｔ（ｍｍ２／ｓ）の鉱物油
　ＡＭ－２：アロマ成分が１．６％、２５℃における動粘度が２０ｃＳｔ（ｍｍ２／ｓ）の鉱物油
　ＡＭ－３：アロマ成分が７．０％、２５℃における動粘度が１１ｃＳｔ（ｍｍ２／ｓ）の鉱物油
　ｒａｍ－１：アロマ成分が０．２％、２５℃における動粘度が１８ｃＳｔ（ｍｍ２／ｓ）の鉱物油
　（有機リン酸エステル金属塩（Ｂ））
　Ｂ－１：イソトリデシルエーテルのリン酸エステルのマグネシウム塩
　Ｂ－２：ポリオキシエチレン（ｎ＝５）イソオクタデシルエーテルのリン酸エステルのマグネシウム塩
　Ｂ－３：イソオクタデシルエーテルのリン酸エステルのカルシウム塩
　Ｂ－４：トリデシルエーテルのリン酸エステルのマグネシウム塩
　Ｂ－５：イソオクタデシルエーテルのリン酸エステルのナトリウム塩
　Ｂ－６：ポリオキシエチレン（ｎ＝５）イソトリデシルエーテルのリン酸エステルのナトリウム塩
　ｒｂ－１：イソトリデシルエーテルのリン酸エステルのトリエチルアミン塩
　ｒｂ－２：未中和のイソオクタデシルエーテルのリン酸エステル
　（アルコール（Ｃ））
　Ｃ－１：２－ヘキシル－１－デカノール
　Ｃ－２：２－（１，３，３－トリメチルブチル）－５，７，７－トリメチル－１－オクタノール
　Ｃ－３：２－デシル－１－テトラデカノール
　Ｃ－４：２－デカノール
　試験区分２（弾性繊維の製造）
　分子量１０００のポリテトラメチレングリコールとジフェニルメタンジイソシアネートとから得たプレポリマーをジメチルホルムアミド溶液中にてエチレンジアミンにより鎖伸長反応させ、濃度３０％の紡糸ドープを得た。この紡糸ドープを紡糸口金から加熱ガス流中において乾式紡糸した。そして、巻き取り前の延伸ローラーと延伸ローラーの間に位置する給油ローラーより、乾式紡糸したポリウレタン系弾性繊維に、処理剤をローラーオイリング法でニート給油した。 The details of silicone (A1), mineral oil (A2), organic phosphoric acid ester metal salt (B), and alcohol (C) shown in Table 1 are as follows.
(Silicone (A1))
ＡＳ－１：２５℃における動粘度が１０ｃＳｔ（ｍｍ ２ ／ｓ）であるジメチルシリコーン ＡＳ－２：２５℃における動粘度が２０ｃＳｔ（ｍｍ ２ ／ｓ）であるジメチルシリコーン ＡＳ－３：２５℃における動粘度が１０００ｍｍ ２ ／ｓ、シリコーン主鎖／ポリエーテル側鎖＝８０／２０（質量比）、エチレンオキサイド／プロピレンオキサイド＝５０／５０（モル比）のポリエーテル変性シリコーン ＡＳ－４：２５℃における動粘度が２２００ｍｍ ２ ／ｓ、シリコーン主鎖／ポリエーテル側鎖＝６０／４０（質量比）、エチレンオキサイド／プロピレンオキサイド＝４０／６０（モル比）のポリエーテル変性シリコーン （鉱物油（Ａ２））
AM-1: Mineral oil containing 2.5% aromatic component and having a kinematic viscosity of 11 cSt (mm 2 /s) at 25°C AM-2: Mineral oil containing 1.6% aromatic component and having a kinematic viscosity of 20 cSt (mm 2 /s) at 25°C AM-3: Mineral oil containing 7.0% aromatic component and having a kinematic viscosity of 11 cSt (mm 2 /s) at 25°C 2% mineral oil with a kinematic viscosity of 18 cSt (mm 2 / s) at 25° C. (organic phosphate metal salt (B))
B-1: Magnesium salt of isotridecyl ether phosphate B-2: Magnesium salt of polyoxyethylene (n=5) isooctadecyl ether phosphate B-3: Calcium salt of isooctadecyl ether phosphate B-4: Magnesium salt of tridecyl ether phosphate B-5: Sodium salt of isooctadecyl ether phosphate B-6: Sodium salt of polyoxyethylene (n=5) isotridecyl ether phosphate r b-1: triethylamine salt of isotridecyl ether phosphate rb-2: unneutralized isooctadecyl ether phosphate (alcohol (C))
C-1: 2-hexyl-1-decanol C-2: 2-(1,3,3-trimethylbutyl)-5,7,7-trimethyl-1-octanol C-3: 2-decyl-1-tetradecanol C-4: 2-decanol Test category 2 (production of elastic fiber)
A prepolymer obtained from polytetramethylene glycol having a molecular weight of 1000 and diphenylmethane diisocyanate was chain-extended with ethylenediamine in a dimethylformamide solution to obtain a spinning dope having a concentration of 30%. The spinning dope was dry spun in a heated gas stream from a spinneret. Then, the treatment agent was neatly lubricated to the dry-spun polyurethane elastic fibers by a roller oiling method from an oil supply roller positioned between the drawing rollers before winding.
　以上のようにローラー給油により処理剤を付着させた弾性繊維を、６００ｍ／分の巻き取り速度で、長さ５８ｍｍの円筒状紙管に、巻き幅３８ｍｍを与えるトラバースガイドを介して、サーフェイスドライブの巻取機を用いて巻き取り、４０デニールの乾式紡糸ポリウレタン系弾性繊維のパッケージ１ｋｇ又は５００ｇを得た。処理剤の付着量の調節は、給油ローラーの回転数を調整することで何れも５％となるように行った。 The elastic fiber to which the treatment agent was attached by oiling the roller as described above was wound at a winding speed of 600 m/min on a cylindrical paper tube with a length of 58 mm through a traverse guide that gives a winding width of 38 mm, using a surface drive winder to obtain a package of 1 kg or 500 g of 40 denier dry-spun polyurethane elastic fiber. The adhesion amount of the treatment agent was adjusted to 5% by adjusting the number of revolutions of the oil supply roller.
　こうして得られたパッケージを用いて、弾性繊維の平滑性、解舒性、及び不織布を用いた接着性についてそれぞれ以下に説明するようにして評価した。
　試験区分３（弾性繊維の評価）
　・平滑性の評価
　摩擦測定メーター（エイコー測器社製、ＳＡＭＰＬＥ ＦＲＩＣＴＩＯＮ ＵＮＩＴ ＭＯＤＥＬ ＴＢ－１）を用いた。二つのフリーローラー間に直径１ｃｍで表面粗度２Ｓのクロムメッキ梨地ピンを配置した。このクロムメッキ梨地ピンに対し、前記のパッケージ（１ｋｇ巻き）から引き出したポリウレタン系弾性繊維の接触角度が９０度となるように繊維を通した。２５℃で６０％ＲＨの条件下、入側で初期張力（Ｔ１）５ｇをかけ、１００ｍ／分の速度で走行させたときの出側の２次張力（Ｔ２）を測定した。下記の数式から摩擦係数を求め、次の基準で評価した。結果を表１の「平滑性」欄に示す。 Using the package thus obtained, the smoothness of the elastic fibers, the unwindability, and the adhesiveness using the nonwoven fabric were evaluated as described below.
Test category 3 (evaluation of elastic fibers)
-Evaluation of smoothness A friction measurement meter (SAMPLE FRICTION UNIT MODEL TB-1, manufactured by Eiko Sokki Co., Ltd.) was used. A chrome-plated satin pin with a diameter of 1 cm and a surface roughness of 2S was placed between the two free rollers. A polyurethane elastic fiber pulled out from the package (1 kg roll) was passed through the chrome-plated satin pin so that the contact angle was 90 degrees. An initial tension (T 1 ) of 5 g was applied on the entry side under the conditions of 25° C. and 60% RH, and the secondary tension (T 2 ) on the exit side was measured when running at a speed of 100 m/min. A coefficient of friction was obtained from the following formula and evaluated according to the following criteria. The results are shown in the "Smoothness" column of Table 1.
　・平滑性の評価基準
　◎（良好）：摩擦係数が０．１５０以上、０．２２０未満
　○（可）：摩擦係数が０．２２０以上、０．２６０未満
　×（不良）：摩擦係数が０．２６０以上
　・解舒性の評価
　第１駆動ローラーとこれに常時接する第１遊離ローラーとで送り出し部を形成した。また、第２駆動ローラーとこれに常時接する第２遊離ローラーとで巻き取り部を形成した。送り出し部と巻き取り部の間隔を、水平方向に沿って約２０ｃｍとした。作製したパッケージ（５００ｇ巻き）を第１駆動ローラーに装着した。第１駆動ローラーを駆動させて弾性繊維を送り出すとともに、第２駆動ローラーを駆動させて弾性繊維を巻き取った。パッケージの糸巻の厚さが２ｍｍになるまで解舒した。 Evaluation criteria for smoothness ◎ (good): coefficient of friction is 0.150 or more and less than 0.220 ○ (acceptable): coefficient of friction is 0.220 or more and less than 0.260 × (poor): coefficient of friction is 0.260 or more Evaluation of unwinding property A first drive roller and a first loose roller that was in constant contact with it formed a delivery part. In addition, a winding portion was formed by the second drive roller and the second loose roller that was always in contact with the second drive roller. The distance between the delivery part and the take-up part was about 20 cm along the horizontal direction. The prepared package (500 g roll) was attached to the first drive roller. The first drive roller was driven to feed out the elastic fiber, and the second drive roller was driven to wind up the elastic fiber. It was unwound until the thickness of the spool of the package reached 2 mm.
　その際、第１駆動ローラーの送り出し速度を５０ｍ／分で固定する一方、第２駆動ローラーの巻き取り速度を５０ｍ／分より徐々に上げて、弾性繊維をパッケージから強制解舒した。この強制解舒において、送り出し部と巻き取り部との間で弾性繊維の踊りがなくなる時点、言い換えれば、糸の挙動が不安定にならず、スムーズにパッケージから送り出されるようになる時点での巻き取り速度Ｖ（ｍ／分）を測定した。下記の式から解舒性（％）を求め、以下の基準で評価した。結果を表１の「解舒性」欄に示す。 At that time, the delivery speed of the first driving roller was fixed at 50 m/min, while the winding speed of the second driving roller was gradually increased from 50 m/min to forcibly unwind the elastic fibers from the package. In this forced unwinding, the winding speed V (m/min) was measured at the time when the elastic fibers stopped dancing between the sending part and the winding part, in other words, when the behavior of the yarn did not become unstable and the yarn was sent out smoothly from the package. Unwindability (%) was obtained from the following formula and evaluated according to the following criteria. The results are shown in the "Releasability" column of Table 1.
　解舒性（％）＝（Ｖ－５０）×２
　・解舒性の評価基準
　◎（良好）：解舒性が１５０％未満
　○（可）：解舒性が１５０％以上、１８０％未満
　×（不可）：解舒性が１８０％以上
　・接着性の評価
　ポリプロピレン製スパンボンド不織布上に、１４５℃で加熱溶融したスチレンブタジエンスチレンブロック共重合体を主成分とするゴム系ホットメルト接着剤を均一にローラーで塗布した。接着剤塗布後の不織布を切断して、４０ｍｍ×２０ｍｍの大きさの切断物を２枚作製した。２枚の切断物の接着剤塗布面の間に、前記のパッケージ（１ｋｇ巻き）から引き出した４０ｍｍの長さのポリウレタン系弾性繊維の先端部１０ｍｍを挟み、１６０℃の処理温度、荷重９ｇ／ｃｍ２で３０秒間、圧着し、試料とした。この試料のポリプロピレン製スパンボンド不織布部分を、引張試験機（島津製作所製、オートグラフＡＧＳ）の上部試料把持部に固定し、下部試料把持部にポリウレタン系弾性繊維を固定して、１００ｍｍ／分の速度で引っ張った。ポリプロピレン製スパンボンド不織布からポリウレタン系弾性繊維を引き抜くのに要する強力を測定し、次の基準で評価した。結果を表１の「接着性」欄に示す。 Unwindability (%) = (V-50) x 2
Evaluation criteria for unwindability ◎ (good): unwindability is less than 150% ○ (acceptable): unwindability is 150% or more and less than 180% × (improper): unwindability is 180% or more Evaluation of adhesion A rubber-based hot-melt adhesive mainly composed of a styrene-butadiene-styrene block copolymer heated and melted at 145 ° C. was uniformly applied on a polypropylene spunbond nonwoven fabric with a roller. The nonwoven fabric after application of the adhesive was cut to prepare two cut pieces each having a size of 40 mm×20 mm. A 10-mm tip of a 40-mm-long polyurethane elastic fiber pulled out from the package (1 kg roll) was sandwiched between the adhesive-coated surfaces of two cut pieces, and crimped for 30 seconds at a treatment temperature of 160° C. and a load of 9 g/cm 2 to obtain a sample. The polypropylene spunbond nonwoven fabric portion of this sample was fixed to the upper sample gripper of a tensile tester (manufactured by Shimadzu Corporation, Autograph AGS), the polyurethane elastic fiber was fixed to the lower sample gripper, and pulled at a speed of 100 mm / min. The strength required to pull out the polyurethane elastic fiber from the polypropylene spunbond nonwoven fabric was measured and evaluated according to the following criteria. The results are shown in the "Adhesion" column of Table 1.
　・接着性の評価基準
　◎◎（優れる）：強力が３６ｇ以上
　◎（良好）：強力が３３ｇ以上３６ｇ未満
　○（可）：強力が３０ｇ以上３３ｇ未満
　×（不可）：強力が３０ｇ未満
　表１の各比較例に対する各実施例の評価結果からも明らかなように、本発明の処理剤によると、処理剤が付与された弾性繊維の平滑性、接着性、及び解舒性を向上できる。 Evaluation criteria for adhesiveness ◎◎ (excellent): strength of 36 g or more ◎ (good): strength of 33 g or more and less than 36 g ○ (acceptable): strength of 30 g or more and less than 33 g × (improper): strength of less than 30 g As is clear from the evaluation results of each example for each comparative example in Table 1, the treatment agent of the present invention can improve the smoothness, adhesiveness, and unwindability of elastic fibers to which the treatment agent is applied.
　本開示は以下の態様も包含する。
　（付記１）
　シリコーン（Ａ１）及び下記の鉱物油（Ａ２）を含む平滑剤（Ａ）と、有機リン酸エステル金属塩（Ｂ）とを含有し、前記シリコーン（Ａ１）及び前記鉱物油（Ａ２）の質量比が、シリコーン（Ａ１）／鉱物油（Ａ２）＝１５／８５～８０／２０であることを特徴とする弾性繊維用処理剤。 The present disclosure also includes the following aspects.
(Appendix 1)
A treatment agent for elastic fibers, comprising: a smoothing agent (A) containing a silicone (A1) and a mineral oil (A2) described below;
　鉱物油（Ａ２）：アロマ成分を１質量％以上の割合で含有する鉱物油。
　（付記２）
　前記弾性繊維用処理剤中に、前記有機リン酸エステル金属塩（Ｂ）を０．０５質量％以上１０質量％以下の割合で含有する付記１に記載の弾性繊維用処理剤。 Mineral oil (A2): Mineral oil containing 1% by mass or more of aromatic components.
(Appendix 2)
The elastic fiber treatment agent according to Appendix 1, wherein the organic phosphate metal salt (B) is contained in the elastic fiber treatment agent at a ratio of 0.05% by mass or more and 10% by mass or less.
　（付記３）
　前記弾性繊維用処理剤中に、前記鉱物油（Ａ２）を４５質量％以上の割合で含有する付記１又は２に記載の弾性繊維用処理剤。 (Appendix 3)
The treatment agent for elastic fibers according to appendix 1 or 2, wherein the treatment agent for elastic fibers contains the mineral oil (A2) in a proportion of 45% by mass or more.
　（付記４）
　前記有機リン酸エステル金属塩（Ｂ）が、有機リン酸エステルのアルカリ土類金属塩である付記１～３のいずれか一つに記載の弾性繊維用処理剤。 (Appendix 4)
4. The elastic fiber treatment agent according to any one of Appendices 1 to 3, wherein the organic phosphate metal salt (B) is an alkaline earth metal salt of an organic phosphate.
　（付記５）
　前記シリコーン（Ａ１）が、ポリエーテル変性シリコーンを含み、前記弾性繊維用処理剤中に、前記ポリエーテル変性シリコーンを０．０５質量％以上５質量％以下の割合で含有する付記１～４のいずれか一つに記載の弾性繊維用処理剤。 (Appendix 5)
The elastic fiber treatment agent according to any one of Appendices 1 to 4, wherein the silicone (A1) contains a polyether-modified silicone, and the polyether-modified silicone is contained in the elastic fiber treatment agent at a ratio of 0.05% by mass or more and 5% by mass or less.
　（付記６）
　更に、下記のアルコール（Ｃ）を含有し、前記弾性繊維用処理剤中に、前記アルコール（Ｃ）を０．０５質量％以上１０質量％以下の割合で含有する付記１～５のいずれか一つに記載の弾性繊維用処理剤。 (Appendix 6)
The elastic fiber treatment agent according to any one of Appendices 1 to 5, further comprising the following alcohol (C), and containing the alcohol (C) in the elastic fiber treatment agent at a ratio of 0.05% by mass or more and 10% by mass or less.
　アルコール（Ｃ）：分岐鎖を有する炭素数８以上２６以下の１価脂肪族アルコール、及び直鎖の第二級アルコールから選ばれる少なくとも一つ。
　（付記７）
　付記１～６のいずれか一つに記載の弾性繊維用処理剤が付着していることを特徴とする弾性繊維。 Alcohol (C): At least one selected from branched chain monohydric aliphatic alcohols having 8 to 26 carbon atoms and linear secondary alcohols.
(Appendix 7)
An elastic fiber to which the elastic fiber treatment agent according to any one of Appendices 1 to 6 is adhered.

Claims (7)

  1. 　シリコーン（Ａ１）及び下記の鉱物油（Ａ２）を含む平滑剤（Ａ）と、有機リン酸エステル金属塩（Ｂ）と、下記のアルコール（Ｃ）とを含有し、前記シリコーン（Ａ１）及び前記鉱物油（Ａ２）の質量比が、シリコーン（Ａ１）／鉱物油（Ａ２）＝１５／８５～８０／２０であり、
    　前記シリコーン（Ａ１）が、ポリエーテル変性シリコーンを含むことを特徴とする弾性繊維用処理剤。
    　鉱物油（Ａ２）：アロマ成分を１質量％以上の割合で含有する鉱物油。
    　アルコール（Ｃ）：分岐鎖を有する炭素数８以上２６以下の１価脂肪族アルコール、及び直鎖の第二級アルコールから選ばれる少なくとも一つ。     A smoothing agent (A) containing a silicone (A1) and a mineral oil (A2) described below, an organic phosphate metal salt (B), and an alcohol (C) described below, wherein the mass ratio of the silicone (A1) and the mineral oil (A2) is silicone (A1)/mineral oil (A2) = 15/85 to 80/20,
    A treatment agent for elastic fibers, wherein the silicone (A1) contains a polyether-modified silicone.
    Mineral oil (A2): Mineral oil containing 1% by mass or more of aromatic components.
    Alcohol (C): At least one selected from branched chain monohydric aliphatic alcohols having 8 to 26 carbon atoms and linear secondary alcohols.
  2. 　前記弾性繊維用処理剤中に、前記有機リン酸エステル金属塩（Ｂ）を０．０５質量％以上１０質量％以下の割合で含有する請求項１に記載の弾性繊維用処理剤。 The treatment agent for elastic fibers according to claim 1, wherein the treatment agent for elastic fibers contains the organic phosphate metal salt (B) at a ratio of 0.05% by mass or more and 10% by mass or less.
  3. 　前記弾性繊維用処理剤中に、前記鉱物油（Ａ２）を４５質量％以上の割合で含有する請求項１又は２に記載の弾性繊維用処理剤。 The elastic fiber treatment agent according to claim 1 or 2, wherein the mineral oil (A2) is contained in the elastic fiber treatment agent at a rate of 45% by mass or more.
  4. 　前記有機リン酸エステル金属塩（Ｂ）が、有機リン酸エステルのアルカリ土類金属塩である請求項１～３のいずれか一項に記載の弾性繊維用処理剤。 The elastic fiber treatment agent according to any one of claims 1 to 3, wherein the organic phosphate metal salt (B) is an alkaline earth metal salt of an organic phosphate.
  5. 　前記弾性繊維用処理剤中に、前記ポリエーテル変性シリコーンを０．０５質量％以上５質量％以下の割合で含有する請求項１～４のいずれか一項に記載の弾性繊維用処理剤。 The elastic fiber treatment agent according to any one of claims 1 to 4, wherein the elastic fiber treatment agent contains the polyether-modified silicone at a ratio of 0.05% by mass or more and 5% by mass or less.
  6. 　前記弾性繊維用処理剤中に、前記アルコール（Ｃ）を０．０５質量％以上１０質量％以下の割合で含有する請求項１～５のいずれか一項に記載の弾性繊維用処理剤。 The elastic fiber treatment agent according to any one of claims 1 to 5, wherein the alcohol (C) is contained in the elastic fiber treatment agent at a ratio of 0.05% by mass or more and 10% by mass or less.
  7. 　請求項１～６のいずれか一項に記載の弾性繊維用処理剤が付着していることを特徴とする弾性繊維。 An elastic fiber to which the elastic fiber treatment agent according to any one of claims 1 to 6 is attached.
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JP2020045595A (en) * 2018-09-20 2020-03-26 竹本油脂株式会社 Treatment agent for synthetic fiber, and synthetic fiber
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