CN112609455B - Treating agent for elastic fiber and elastic fiber - Google Patents
Treating agent for elastic fiber and elastic fiber Download PDFInfo
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- CN112609455B CN112609455B CN202011288551.4A CN202011288551A CN112609455B CN 112609455 B CN112609455 B CN 112609455B CN 202011288551 A CN202011288551 A CN 202011288551A CN 112609455 B CN112609455 B CN 112609455B
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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
- D06M13/244—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
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- 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
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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
- D06M13/10—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
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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
- D06M13/10—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
- D06M13/165—Ethers
- D06M13/17—Polyoxyalkyleneglycol ethers
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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
- D06M13/322—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 nitrogen
- D06M13/325—Amines
- D06M13/328—Amines the amino group being bound to an acyclic or cycloaliphatic carbon atom
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- 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
- D06M13/322—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 nitrogen
- D06M13/368—Hydroxyalkylamines; Derivatives thereof, e.g. Kritchevsky bases
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- 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
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/38—Polyurethanes
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/40—Reduced friction resistance, lubricant properties; Sizing compositions
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Abstract
The technical problem of the present invention is to provide a treating agent for elastic fibers capable of improving smoothness and shape characteristics, and elastic fibers to which the treating agent for elastic fibers is attached. In order to solve the above problems, the present invention provides a treatment agent for elastic fibers comprising a smoothing agent and an amine salt of an alkyl phosphate ester, wherein the amine salt of an alkyl phosphate ester comprises at least one member selected from the group consisting of an amine salt of an alkyl phosphate ester having a residue obtained by removing a hydroxyl group from a Guerbet alcohol in the molecule and an amine salt of an alkyl phosphate ester having a residue obtained by adding an alkylene oxide to a Guerbet alcohol in the molecule and removing a hydroxyl group from the compound obtained by adding an alkylene oxide to a Guerbet alcohol. The elastic fiber of the present invention is characterized in that the above-mentioned treating agent for elastic fiber is adhered thereto.
Description
Technical Field
The present invention relates to a treating agent for elastic fibers containing a smoothing agent and a specific amine salt of an alkyl phosphate ester, and elastic fibers.
Background
Elastic fibers such as polyurethane elastic fibers have stronger fiber-to-fiber adhesiveness than other synthetic fibers. Therefore, for example, when an elastic fiber is spun and wound into a Package (Package), and then the Package is drawn out from the Package and supplied to a processing step, there is a problem that stable unwinding from the Package is difficult. Therefore, in order to improve the smoothness of elastic fibers more than conventional ones, a treatment agent for elastic fibers containing a smoothing agent such as silicone oil is sometimes used.
Conventionally, a treating agent for elastic fibers disclosed in international publication No. 2011-105386 and japanese patent No. 6328866 are well known. International publication No. 2011-105386 discloses a treatment agent for polyurethane elastic fibers, which contains a base component (a) selected from at least one of silicone oil, mineral oil, and ester oil, and an acidic phosphate ester salt (B) of a divalent cation of a group 2 element metal. Japanese patent No. 6328866 discloses a treating agent for elastic fibers, which comprises a smoothing agent and an organic phosphate salt, wherein the organic phosphate salt comprises an alkali metal salt of an organic phosphate and an alkaline earth metal salt of an organic phosphate.
Disclosure of Invention
Problems to be solved by the invention
However, these treating agents for elastic fibers have a problem that smoothness and shape characteristics imparted to elastic fibers are insufficient.
The present invention addresses the problem of providing a treatment agent for elastic fibers that can improve smoothness and shape characteristics, and elastic fibers to which the treatment agent for elastic fibers has been attached.
Means for solving the problems
The present inventors have conducted studies to solve the above problems, and as a result, have found that a structure in which a smoothing agent and a specific amine salt of an alkyl phosphate are blended in a treating agent for elastic fibers is suitable.
In order to solve the above problems, an agent for treating elastic fibers according to one embodiment of the present invention is an agent for treating elastic fibers comprising a smoothing agent and an amine salt of an alkyl phosphate ester, wherein the amine salt of an alkyl phosphate ester comprises at least one member selected from the group consisting of an amine salt of an alkyl phosphate ester having a residue obtained by removing a hydroxyl group from a Guerbet alcohol in the molecule and an amine salt of an alkyl phosphate ester having a residue obtained by adding an alkylene oxide to a Guerbet alcohol in the molecule.
The treating agent for elastic fibers preferably further contains an alkyl phosphate metal salt.
In the treating agent for elastic fibers, the mass ratio of the amine salt of alkyl phosphate to the metal salt of alkyl phosphate is preferably 0.2 to 3.0.
In the treating agent for elastic fibers, the alkyl phosphate metal salt preferably contains an alkyl phosphate alkali metal salt.
In the above-mentioned treating agent for elastic fibers, it is preferable that the metal alkyl phosphate salt contains at least one member selected from the group consisting of a metal alkyl phosphate salt having a residue in which a hydroxyl group is removed from a secondary alcohol in the molecule and a metal alkyl phosphate salt having a residue in which a hydroxyl group is removed from a compound obtained by adding an alkylene oxide to a secondary alcohol in the molecule.
The treating agent for elastic fibers preferably further contains at least one selected from alkylene oxide adducts of higher alcohols and higher alcohols.
The treating agent for elastic fibers preferably further contains at least one selected from alkylene oxide adducts of higher alcohols and higher alcohols, and when the total content of the smoothing agent, the amine salt of an alkyl phosphate, the metal salt of an alkyl phosphate, and the alkylene oxide adduct of a higher alcohol and a higher alcohol is 100 parts by mass, at least one selected from alkylene oxide adducts of a higher alcohol and a higher alcohol is contained in a proportion of 0.3 to 10 parts by mass.
In order to solve the above problem, another aspect of the present invention provides an elastic fiber having the above treatment agent for elastic fiber adhered thereto.
ADVANTAGEOUS EFFECTS OF INVENTION
According to the present invention, smoothness and shape characteristics can be improved.
Detailed Description
(embodiment 1)
Next, embodiment 1 of a treating agent for elastic fibers (hereinafter referred to as a treating agent) embodying the present invention will be described. The treating agent of the present embodiment contains a smoothing agent and a predetermined amine salt of an alkyl phosphate ester, and preferably further contains at least one selected from a metal salt of an alkyl phosphate ester and an alkylene oxide adduct of a higher alcohol and a higher alcohol.
Examples of the smoothing agent to be used in the treatment agent of the present embodiment include silicone oil, mineral oil, polyolefin, ester oil, and the like. The smoothing agent is blended as a base component in the treating agent to impart smoothness to the elastic fiber.
Specific examples of the silicone oil are not particularly limited, and examples thereof include dimethyl silicone, phenyl-modified silicone, amino-modified silicone, amide-modified silicone, polyether-modified silicone, amino polyether-modified silicone, alkyl aralkyl-modified silicone, alkyl polyether-modified silicone, ester-modified silicone, epoxy-modified silicone, carbinol-modified silicone, mercapto-modified silicone, and polyoxyalkylene-modified silicone. These silicone oils may be suitably used as commercially available ones.
Examples of the mineral oil include aromatic hydrocarbons, paraffin hydrocarbons, and naphthene hydrocarbons. More specifically, for example, spindle oil, liquid paraffin, and the like can be given. Commercially available products can be suitably used for these ores.
Polyolefins use poly-alpha-olefins as smoothing components. Specific examples of the polyolefin include poly- α -olefins obtained by polymerizing 1-butene, 1-hexene, 1-decene, and the like. The poly-alpha-olefin may be suitably used as a commercially available product.
The ester oil is not particularly limited, and ester oils produced from fatty acids and alcohols may be mentioned. As the ester oil, for example, ester oils produced from fatty acids and alcohols having an odd or even number of hydrocarbon groups, which will be described later, can be exemplified.
The fatty acid as a raw material of the ester oil is not particularly limited in the number of carbon atoms, the presence or absence of a branch, the number of elements, and the like, and may be, for example, a higher fatty acid, a fatty acid having an alicyclic ring, or a fatty acid having an aromatic ring. The alcohol as a raw material of the ester oil is not particularly limited in the number of carbon atoms, the presence or absence of a branch, the number of elements, and the like, and may be, for example, a higher alcohol, an alcohol having an alicyclic ring, or an alcohol having an aromatic ring.
Specific examples of ester oils include: (1) ester compounds of aliphatic monoalcohols and aliphatic monocarboxylic acids such as octyl palmitate, oleyl laurate, oleyl oleate, and isotetradecyl oleate; (2) ester compounds of aliphatic polyhydric alcohols and aliphatic monocarboxylic acids such as 1, 6-hexanediol dicaprate, glycerol trioleate, trimethylolpropane trilaurate and pentaerythritol tetracaprylate; (3) ester compounds of aliphatic monohydric alcohols and aliphatic polycarboxylic acids such as dioleyl azelate, dioleyl thiodipropionate, diisohexadecyl thiodipropionate and diisostearyl thiodipropionate; (4) ester compounds of aliphatic monocarboxylic acids and aromatic monoalcohols such as benzyl oleate and benzyl laurate; (5) a full ester compound of an aromatic polyhydric alcohol such as bisphenol a dilaurate and an aliphatic monocarboxylic acid; (6) a complete ester compound of an aliphatic monoalcohol such as di (2-ethylhexyl) phthalate, diisostearyl isophthalate, trioctyl trimellitate, etc., and an aromatic polycarboxylic acid; (7) natural oils such as coconut oil, rapeseed oil, sunflower seed oil, soybean oil, castor oil, sesame oil, fish oil, and beef tallow.
One of these leveling agents may be used alone, or two or more of these may be used in combination as appropriate.
As the amine salt of an alkyl phosphate to be used in the treatment agent of the present embodiment, at least one selected from the group consisting of an amine salt of an alkyl phosphate having a residue in which a hydroxyl group is removed from a guerbet alcohol in the molecule and an amine salt of an alkyl phosphate having a residue in which a hydroxyl group is removed from a compound obtained by adding an alkylene oxide to a guerbet alcohol in the molecule is used.
The Guerbet alcohol is not particularly limited, but preferred is a C6-22 Guerbet alcohol, and specific examples thereof 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-dodecanol, 2-hexyl-1-octanol, 2-hexyl-1-dodecanol, C6-22 Guerbet alcohol, C2-ethyl-1-hexanol, 2-ethyl-1-decanol, 2-butyl-1-hexanol, 2-butyl-1-octanol, 2-hexyl-1-decanol, 2-octyl-1-dodecanol, C6-22 Guerbet alcohol, 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, and the like. These may be derivatives of Guerbet alcohol such as acetate and acetate of Guerbet alcohol.
When the alkyl phosphate is an ester compound of a polyoxyalkylene alkyl ether (which is a product of bonding a Guerbet alcohol and an alkylene oxide via an ether bond) and phosphoric acid, specific examples of the alkylene oxide to be used in the polyoxyalkylene alkyl ether include ethylene oxide, propylene oxide, butylene oxide, and the like. The number of moles of alkylene oxide added to 1 mole of alkyl group is not particularly limited, but is preferably 1 to 50 moles, more preferably 1 to 30 moles, and still more preferably 1 to 10 moles.
The phosphoric acid may be orthophosphoric acid or polyphosphoric acid such as diphosphoric acid, and orthophosphoric acid is preferred because of its excellent effect of the present invention.
Specific examples of the amine constituting the amine salt of alkylphosphate include: (1) aliphatic amines such as methylamine, dimethylamine, trimethylamine, ethylamine, diethylamine, triethylamine, N-diisopropylethylamine, butylamine, dibutylamine, 2-methylbutylamine, tributylamine, octylamine, and dimethyllaurylamine; (2) aromatic amines or heterocyclic amines such as aniline, N-methylbenzylamine, pyridine, morpholine, piperazine, and derivatives thereof; (3) alkanolamines such as monoethanolamine, N-methylethanolamine, diethanolamine, triethanolamine, butylmonoethanolamine, isopropanolamine, diisopropanolamine, triisopropanolamine, dibutylethanolamine, butyldiethanolamine, octyldiethanolamine, and lauryldiethanolamine; (4) arylamines such as N-methylbenzylamine; (5) polyoxyalkylene alkyl amino ethers such as polyoxyethylene lauryl amino ether and polyoxyethylene stearyl amino ether; (6) ammonia, and the like.
Among these alkyl phosphate amine salts, one kind of alkyl phosphate amine salt may be used alone, or two or more kinds of alkyl phosphate amine salts may be used in combination as appropriate.
The treating agent preferably comprises an alkyl phosphate metal salt. The antistatic property of the elastic fiber to which the treating agent is added can be improved by the alkyl phosphate metal salt. The alkyl group constituting the alkyl phosphate metal salt may be linear or branched. As the branched alkyl group, an alkyl group branched at the α -position and an alkyl group branched at the β -position can be used. The number of carbon atoms of the alkyl group is not particularly limited, but is preferably 1 to 32 carbon atoms, and more preferably 8 to 32 carbon atoms. Specific examples of the alkyl group include a methyl group, an ethyl group, a propyl group, a butyl group, a pentyl group, a hexyl group, a heptyl group, an octyl group, a decyl group, an undecyl group, a dodecyl group, a tridecyl group, a tetradecyl group, a pentadecyl group, a hexadecyl group, a heptadecyl group, an octadecyl group, an eicosyl group, an isopropyl group, an isobutyl group, an isopentyl group, an isohexyl group, an isoheptyl group, an isooctyl group, an isodecyl group, an isoundecyl group, an isododecyl group, an isotridecyl group, an isotetradecyl group, an isopentadecyl group, an isohexadecyl group, an isoheptadecyl group, an isoeicosyl group, and an isoeicosyl group.
Further, it is preferable that the resin composition contains an alkyl phosphate metal salt having a residue obtained by removing a hydroxyl group from a primary alcohol or a secondary alcohol in the molecule and an alkyl phosphate metal salt having a residue obtained by removing a hydroxyl group from a compound obtained by adding an alkylene oxide to a primary alcohol or a secondary alcohol in the molecule. Still more preferably, the resin composition contains an alkyl phosphate metal salt having a residue obtained by removing a hydroxyl group from a secondary alcohol in the molecule and an alkyl phosphate metal salt having a residue obtained by adding an alkylene oxide to a secondary alcohol in the molecule and removing a hydroxyl group from the compound. By using the alkyl phosphate metal salt, smoothness is further improved.
When a compound obtained by adding an alkylene oxide is used, specific examples of the alkylene oxide include ethylene oxide, propylene oxide, and butylene oxide. The number of moles of alkylene oxide added to 1 mole of alkyl group is not particularly limited, but is preferably 1 to 50 moles, more preferably 1 to 30 moles, and still more preferably 1 to 10 moles.
The phosphoric acid may be polyphosphoric acid such as orthophosphoric acid or diphosphoric acid, and orthophosphoric acid is preferred because of its excellent effect of the present invention.
Examples of the metal constituting the metal alkyl phosphate include alkali metal salts such as lithium, sodium, and potassium; alkaline earth metal salts such as beryllium, magnesium, calcium, and barium; 2-valent metal salts of manganese, nickel, zinc, and the like; and 3-valent metal salts such as aluminum, iron, and cerium. Among these, those containing an alkali metal salt of an alkyl phosphate are preferable in terms of excellent shape characteristics of the elastic fiber to which the treatment agent is applied.
These alkyl phosphate metal salts may be used singly or in combination of two or more kinds as appropriate.
In the treating agent, the mass ratio of the alkyl phosphate amine salt to the alkyl phosphate metal salt is not particularly limited, and the ratio of the alkyl phosphate amine salt/the alkyl phosphate metal salt is preferably 0.2 to 3.0. When the ratio is 0.2 or more, the antistatic property is further improved. When the ratio is 3 or less, scum can be reduced.
The treating agent preferably contains at least one selected from the group consisting of higher alcohols and alkylene oxide adducts of higher alcohols. By blending the higher alcohol or the like, scum can be reduced.
The higher alcohol is a 1-membered alcohol having a hydrocarbon group having 6 or more carbon atoms. The higher alcohol has 6 or more carbon atoms, preferably 6 to 22 carbon atoms. The higher alcohol is not particularly limited with respect to the presence or absence of a branched chain and the presence or absence of an unsaturated bond, and may be an alcohol having a linear or branched hydrocarbon group, an alcohol having an alicyclic ring, or an alcohol having an aromatic ring. In the case of an alcohol having a branched hydrocarbon group, the branching position is not particularly limited, and for example, the carbon chain may be a carbon chain branched at the α -position or a carbon chain branched at the β -position.
Among these, the higher alcohol is preferably an alcohol having a branched alkyl group having 6 to 22 carbon atoms. Specific examples of the branched alkyl group having 6 to 22 carbon atoms include isohexyl, isoheptyl, isooctyl, isodecyl, isoundecyl, isododecyl, isotridecyl, isotetradecyl, isopentadecyl, isohexadecyl, isoheptadecyl, isooctadecyl and isoeicosyl.
Specific examples of the higher alcohol include stearyl alcohol, isodecyl alcohol, isotridecyl alcohol, isohexadecyl alcohol, and isostearyl alcohol.
When a compound obtained by adding an alkylene oxide is used, specific examples of the alkylene oxide include ethylene oxide, propylene oxide, and butylene oxide. The number of moles of alkylene oxide added to 1 mole of alkyl group is preferably 1 to 50 moles, more preferably 1 to 30 moles, and still more preferably 1 to 10 moles.
These higher alcohols may be used alone or in combination of two or more kinds as appropriate.
When the total content ratio of the smoothing agent, the alkyl phosphate amine salt, the alkyl phosphate metal salt, and at least one selected from the group consisting of higher alcohols and alkylene oxide adducts of higher alcohols is 100 parts by mass, the content ratio of at least one selected from the group consisting of higher alcohols and alkylene oxide adducts of higher alcohols is not particularly limited, and is preferably 0.3 to 10 parts by mass. When the amount of the compound is in the above range, scum can be reduced.
(embodiment 2)
Next, embodiment 2 specifically describing the elastic fiber of the present invention will be described. The elastic fiber of the present embodiment is adhered with the treating agent of embodiment 1. The amount of the treating agent (not including a solvent) to be attached to the elastic fibers in embodiment 1 is not particularly limited, but is preferably 0.1 to 10 mass% in order to further improve the effect of the present invention.
The elastic fiber is not particularly limited, and examples thereof include polyester elastic fiber, polyamide elastic fiber, polyolefin elastic fiber, and polyurethane elastic fiber. Among these, polyurethane elastic fibers are preferable. In this case, the expression of the effect of the present invention can be further improved.
The method for producing elastic fibers according to the present embodiment includes a step of oiling the elastic fibers with the treatment agent according to embodiment 1. As a method of oiling the treating agent, a method of adhering the treating agent to the elastic fiber in a spinning step of the elastic fiber by a neat oiling method without dilution is preferable. As the adhesion method, for example, a known method such as a roll oil feeding method, an oil guiding method, and an oil spraying method can be applied. The oil feed roller is usually located between the head and the winding shuttle (Traverse), and this is also applicable to the manufacturing method of the present embodiment. Among these, the treatment agent of embodiment 1 is preferably used when the treatment agent is attached to an elastic fiber, for example, a polyurethane elastic fiber, by an oil feed roller positioned between a stretching roller and a stretching roller, because the effect is remarkably exhibited.
The method for producing the elastic fiber itself applied to the present embodiment is not particularly limited, and can be produced by a known method. Examples thereof include a wet spinning method, a melt spinning method, and a dry spinning method. Among these, the dry spinning method is preferably applied in view of excellent quality and production efficiency of the elastic fiber.
The action and effect of the treating agent and elastic fiber of the present embodiment will be described.
(1) The present embodiment is configured by blending a predetermined alkyl phosphate amine salt with a treating agent containing a smoothing agent. Therefore, the smoothness of the elastic fiber to which the treatment agent is applied, particularly the smoothness between the fiber and the metal roll can be improved. Further, the shape characteristics, particularly when wound in a cheese shape, can be improved. In addition, the antistatic property of the elastic fiber to which the treating agent is applied can be improved. In addition, scum can be reduced.
The above embodiment may be modified as follows. The above-described embodiment and the following modifications can be implemented in combination with each other within a range not technically contradictory.
In the treatment agent of the above embodiment, components generally used in treatment agents, such as a thickener, an antioxidant, and an ultraviolet absorber, which are a stabilizer and a charge control agent for maintaining the quality of the treatment agent, may be further blended within a range not to impair the effects of the present invention.
[ examples ]
Hereinafter, examples and the like will be described in order 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, parts means parts by mass, and% means% by mass.
Test group 1 (preparation of treating agent for elastic fiber)
The treating agents for elastic fibers used in the examples and comparative examples were prepared by the following preparation methods using the components shown in tables 1 to 4.
The alcohols (A-1) to (A-8) constituting the alkyl group of the amine salt of alkyl phosphate ester and the metal salt of alkyl phosphate ester compounded in the treating agent are shown in Table 1. The carbon number, name, and presence/absence of the alcohol in the Guerbet alcohol are shown in the columns "carbon number", "name", and "compatibility with Guerbet alcohol", respectively.
The alkyl phosphate amine salts (X-1) to (X-7), (rx-1) and (rx-2) blended in the treatment agent are shown in Table 2. The kind of alcohol, the kind and the addition mole number of alkylene oxide, and the kind of amine salt used for constituting the alkyl group of each alkylphosphate amine salt are shown in the columns of "alcohol", "alkylene oxide", and "amine salt", respectively.
The metal alkyl phosphate salts (Y-1) to (Y-8) blended in the treating agent are shown in Table 3. The kind of alcohol, the kind and the addition mole number of alkylene oxide, and the kind of metal salt used for constituting the alkyl group of each metal alkyl phosphate are shown in the "alcohol" column, the "alkylene oxide" column, and the "metal salt" column, respectively.
The treatment agent of example 1 was prepared by thoroughly and uniformly mixing 40 parts (%) of dimethyl silicone (L-1) and 52 parts (%) of mineral oil (L-2) with 3 parts (%) of dibutylethanolamine salt of 2-hexyl-1-decyl phosphate (X-1) shown in Table 2, 2 parts (%) of potassium salt of secondary tridecyl phosphate (Y-1) shown in Table 3, and 3 parts (%) of isostearyl alcohol (Z-1).
The types of the respective components of the smoothing agent, the alkyl phosphate amine salt (X), the alkyl phosphate metal salt (Y), and the higher alcohol or the alkylene oxide adduct of the higher alcohol (Z) in the treating agent for elastic fiber, and the proportions of the respective components when the total content ratio of the respective components is 100% are shown in the columns of "smoothing agent", "alkyl phosphate amine salt (X)", "alkyl phosphate metal salt (Y)", and "alkylene oxide adduct of the higher alcohol or the higher alcohol (Z)", respectively, in table 4. The mass ratio of the alkyl phosphate amine salt (X) to the alkyl phosphate metal salt (Y) is shown in the column "(X)/(Y)".
In examples 2 to 20 and comparative examples 1 to 5, the smoothing agent, the alkyl phosphate amine salt (X), the alkyl phosphate metal salt (Y), and the higher alcohol or the alkylene oxide adduct of the higher alcohol (Z) were mixed in the proportions shown in table 4 in the same manner as in example 1 to prepare the treating agent.
[ Table 1]
[ Table 2]
[ Table 3]
[ Table 4]
The details of L-1 to L-3, X-1 to X-7, rx-1, rx-2, Y-1 to Y-8, Z-1, Z-2 described in Table 4 are as follows.
L-1: dimethylsilicone (10 mm)2/s、25℃)
L-2: mineral oil (60 seconds and 60 seconds as measured by a Reye viscometer at 40℃)
L-3: mineral oil (100 seconds and 100 seconds as measured by a Reye viscometer at 40℃)
X-1: dibutylethanolamine salt of 2-hexyl-1-decyl phosphate
X-2: dibutylethanolamine salt of phosphoric acid ester of ethylene oxide (hereinafter abbreviated as EO)5mol adduct of 2-hexyl-1-decanol
X-3: dibutylethanolamine salt of phosphoric acid ester of propylene oxide (hereinafter abbreviated as PO)5mol adduct of 2-hexyl-1-decanol
X-4: triethylamine salt of 2- (4-methylhexyl) -8-methyl-1-decyl phosphate
X-5: butyl monoethanolamine salt of phosphoric acid ester of EO10mol adduct of 2- (4-methylhexyl) -8-methyl-1-decanol
X-6: triethanolamine salt of 2-butyl-1-hexyl phosphate
X-7: dibutylethanolamine salt of 2-octyl-1-dodecyl phosphate
rx-1: dibutylethanolamine salt of 3,5, 5-trimethyl-1-tridecyl phosphate
rx-2: dibutylethanolamine salts of primary octadecyl phosphate
Y-1: potassium salt of sec-tridecyl phosphate
Y-2: potassium salt of phosphoric acid ester of EO5mol adduct of sec-tridecyl alcohol
Y-3: sodium salt of secondary tridecyl phosphate
Y-4: potassium salt of sec-octadecyl phosphate
Y-5: potassium salt of 2-hexyl-1-decyl phosphate
Y-6: potassium salt of primary octadecyl phosphate
Y-7: magnesium salt of sec-tridecyl phosphate
Y-8: magnesium salts of primary octadecyl phosphate
Z-1: isostearyl alcohol
Z-2: EO3 mol adduct of isotridecanol
Test group 2 (preparation of elastic fiber)
First, a solution (35%) of polyurethane, which is composed of tetramethylene ether glycol having a molecular weight of 2900, bis- (p-isocyanatophenyl) -methane and ethylenediamine, in N, N-dimethylacetamide was polymerized to prepare a polymer solution (a).
Next, as an antioxidant, a 2 to 1 (mass ratio) mixture of polyurethane, which is produced by the reaction of t-butyldiethanolamine and methylene-bis (4-cyclohexyl isocyanate), and a polycondensate, which is a polycondensate of p-cresol and divinylbenzene, was used to prepare an N, N-dimethylacetamide solution (35%) of the mixture as the other additive solution (B).
The solutions (a) and (B) were uniformly mixed at a ratio of 96% and 4%, respectively, to prepare a spinning dope.
Using the spinning dope thus obtained, a 44dtex/3fil multifilament polyurethane elastic fiber was spun by a dry spinning method used for a known spandex fiber (spandex). Then, the yarn was oiled by an oiling roller between the stretching roller and the drawing roller before winding in a solvent-free state. The elastic fiber subjected to the roll oiling was wound around a cylindrical paper tube having a length of 58mm at a winding speed of 600 m/min by using a winder of a surface driven yarn winding method (surface drive) via a Traverse Guide (Traverse Guide) capable of providing a winding width of 38mm, to obtain a wound product 500g of a dry-spun polyurethane elastic fiber. The amount of the treatment agent for elastic fibers deposited was adjusted so that the rotational speed of the oiling roller was adjusted to 5% of the total amount of the treatment agent.
Using the thus obtained wound product of the dry-spun polyurethane elastic fiber, the scum, smoothness and antistatic properties of the elastic fiber and the shape characteristics when the elastic fiber was wound in a cheese shape were evaluated as described below.
Test group 3 (evaluation of treating agent for elastic fiber and elastic fiber)
Evaluation of dross
A package of 10 yarns (500g package) was prepared on a mini-warper, and the yarn was wound at a yarn speed of 300 m/min for 200km at 25 ℃ and 65% RH. At this time, the accumulated state of scum in the comb guide of the micro-warping machine was visually observed and evaluated according to the following criteria. The results are shown in the column "scum" in table 4.
Excellent: almost no adhesion of scum.
O (good): scum is slightly attached, but there is no problem in the stable running of the filaments.
X (bad): the adhesion and accumulation of the scum are large, and the stable running of the silk has no obvious problem.
Evaluation of smoothness
A chrome-plated satin plain dowel having a diameter of 1cm and a surface roughness of 2S was disposed between two free rolls using a FRICTION tester (SAMPLE performance UNIT MODEL TB-1, manufactured by Eiko Sokki corporation) so that the contact angle of the polyurethane-based elastic fiber drawn out from the package (500g roll) with respect to the chrome-plated satin plain dowel was 90 degrees. An initial tension (T) was applied to the input side under conditions of 25 ℃ and 60% RH1)5g, 2 times the tension (T) on the output side when the film was operated at a speed of 100 m/min was measured every 0.1 second2) And measured for 1 minute. The coefficient of friction was determined by the following formula and evaluated according to the following criteria. Connect it withThe results are shown in the "smoothness" column of table 4.
[ mathematical formula 1]
Coefficient of friction ═ 2/3.14 × 1n (T)2/T1)
Excellent: the coefficient of friction is less than 0.22.
O (good): the coefficient of friction is 0.22 or more and less than 0.30.
X (bad): the coefficient of friction is 0.30 or more.
Evaluation on antistatic Properties
A satin-finished chrome-plated pin having a diameter of 1cm and a surface roughness of 2S was disposed between the two free rolls so that the contact angle of the polyurethane elastic fiber drawn out from the wound product of the yarn (500g roll) with the satin-finished chrome-plated pin was 90 degrees. An electrostatic potential measuring instrument (trade name KSD-0103 manufactured by spring Motor) was placed 1cm below the pin having a satin surface plated with chrome, and the electric power generated when the pin was fed at a speed of 50 m/min and wound at a speed of 100 m/min under conditions of 25 ℃ and 60% RH was measured and evaluated according to the following criteria. The results are shown in the column "antistatic property" in table 4.
Excellent: the power generated is less than 50 volts (no problem at all, stable operation is possible).
O (good): the generated electric power is 50 volts or more and less than 100 volts (although it is slightly close in the warping step, the operation can be stably performed without any problem).
X (bad): the generated electric power is 100 volts or more (the yarn approaches in the warping step, causing a problem in handling).
Evaluation of shape characteristics
The maximum value (Wmax) and the minimum value (Wmin) of the winding width of a yarn package (500g of a coil) were measured, and the amount of swelling (bulk) was determined from the difference (Wmax-Wmin) between the maximum value and the minimum value. The results are shown in the column "shape characteristics" in table 4.
Excellent: the expansion amount is less than 3 mm.
O (good): the expansion amount is 3mm or more and less than 6 mm.
X (bad): the swelling capacity is more than 6 mm.
As is clear from the evaluation results of the examples in table 4 with respect to the comparative examples, the treatment agent of the present invention can improve the smoothness, shape characteristics, and antistatic property of the elastic fiber to which the treatment agent is applied, and can reduce scum.
Claims (5)
1. A treating agent for elastic fibers, which comprises a smoothing agent, an alkyl phosphate amine salt and an alkyl phosphate metal salt,
the amine salt of an alkyl phosphate ester contains at least one member selected from the group consisting of an amine salt of an alkyl phosphate ester having a residue obtained by removing a hydroxyl group from a Guerbet alcohol in the molecule and an amine salt of an alkyl phosphate ester having a residue obtained by adding an alkylene oxide to a Guerbet alcohol in the molecule,
the metal salt of alkyl phosphate contains at least one selected from the group consisting of metal salts of alkyl phosphate having a residue obtained by removing a hydroxyl group from a secondary alcohol in the molecule and metal salts of alkyl phosphate having a residue obtained by adding an alkylene oxide to a secondary alcohol in the molecule and removing a hydroxyl group from the compound,
the mass ratio of the alkyl phosphate amine salt to the alkyl phosphate metal salt is 0.2-3.0.
2. A treating agent for elastic fibers, which comprises a smoothing agent, an alkyl phosphate amine salt and an alkyl phosphate metal salt,
the amine salt of an alkyl phosphate ester contains at least one member selected from the group consisting of an amine salt of an alkyl phosphate ester having a residue obtained by removing a hydroxyl group from a Guerbet alcohol in the molecule and an amine salt of an alkyl phosphate ester having a residue obtained by adding an alkylene oxide to a Guerbet alcohol in the molecule,
the metal salt of alkyl phosphate contains at least one selected from the group consisting of metal salts of alkyl phosphate having a residue obtained by removing a hydroxyl group from a secondary alcohol in the molecule and metal salts of alkyl phosphate having a residue obtained by adding an alkylene oxide to a secondary alcohol in the molecule and removing a hydroxyl group from the compound,
the alkyl phosphate metal salt comprises an alkyl phosphate alkali metal salt.
3. The treating agent for elastic fibers according to claim 1 or 2, further comprising at least one selected from alkylene oxide adducts of higher alcohols and higher alcohols.
4. The agent for treating elastic fibers according to claim 3, wherein the at least one member selected from the group consisting of alkylene oxide adducts of higher alcohols and higher alcohols is contained in a proportion of 0.3 to 10 parts by mass, assuming that the total content of the smoothing agent, the alkyl phosphate amine salt, the alkyl phosphate metal salt, and the at least one member selected from the group consisting of alkylene oxide adducts of higher alcohols and higher alcohols is 100 parts by mass.
5. An elastic fiber characterized by having the treating agent for elastic fiber according to any one of claims 1 to 4 attached thereto.
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| JP3501586B2 (en) * | 1995-05-31 | 2004-03-02 | 竹本油脂株式会社 | Processing method of polyurethane elastic fiber |
| JP4318282B2 (en) * | 2002-11-11 | 2009-08-19 | 竹本油脂株式会社 | Treatment agent for polyurethane elastic fiber and method for treating polyurethane elastic fiber |
| JP4628094B2 (en) * | 2004-12-03 | 2011-02-09 | 松本油脂製薬株式会社 | Elastic fiber treatment agent and elastic fiber obtained using the same |
| CN105064042B (en) * | 2015-09-22 | 2017-03-29 | 浙江华峰氨纶股份有限公司 | Give spinning oil of polyurethane elastomeric fiber backing-off performance and preparation method thereof |
| JP6026038B1 (en) * | 2016-05-10 | 2016-11-16 | 竹本油脂株式会社 | Elastic fiber treatment agent, elastic fiber treatment method, and elastic fiber |
| JP6125739B1 (en) * | 2017-02-07 | 2017-05-10 | 竹本油脂株式会社 | Elastic fiber treatment agent and elastic fiber |
| JP6345846B1 (en) * | 2017-05-26 | 2018-06-20 | 竹本油脂株式会社 | Treatment agent for elastic fiber and method for producing elastic fiber |
| JP6542452B1 (en) * | 2018-09-20 | 2019-07-10 | 竹本油脂株式会社 | Processing agents for synthetic fibers and synthetic fibers |
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| CN1386150A (en) * | 2000-07-31 | 2002-12-18 | 三洋化成工业株式会社 | Lubricants for elastic fiber |
| CN1664228A (en) * | 2004-03-05 | 2005-09-07 | 三洋化成工业株式会社 | Filature oil for elastic fibre |
| CN101666040A (en) * | 2009-09-18 | 2010-03-10 | 淮安凯悦科技开发有限公司 | Polyurethane elastic fiber finishing agent |
| CN106167987A (en) * | 2015-05-21 | 2016-11-30 | 竹本油脂株式会社 | Treating agent for polyester synthetic fiber textile, method for treating polyester synthetic fiber, and polyester synthetic fiber |
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