CN117413100A - Diluent of treating agent for synthetic fiber and use thereof - Google Patents

Diluent of treating agent for synthetic fiber and use thereof Download PDF

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Publication number
CN117413100A
CN117413100A CN202280039246.2A CN202280039246A CN117413100A CN 117413100 A CN117413100 A CN 117413100A CN 202280039246 A CN202280039246 A CN 202280039246A CN 117413100 A CN117413100 A CN 117413100A
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Prior art keywords
diluent
carbon atoms
straight
chain hydrocarbon
synthetic fiber
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Inventor
大前彰宏
正路大辅
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Matsumoto Yushi Seiyaku Co Ltd
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Matsumoto Yushi Seiyaku Co Ltd
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Priority claimed from PCT/JP2022/014200 external-priority patent/WO2022254904A1/en
Publication of CN117413100A publication Critical patent/CN117413100A/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
    • D06M13/165—Ethers
    • D06M13/17—Polyoxyalkyleneglycol ethers
    • 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
    • D06M13/224—Esters of carboxylic acids; Esters of carbonic acid
    • 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
    • D06M13/248—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 sulfur
    • D06M13/256—Sulfonated compounds esters thereof, e.g. sultones
    • 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
    • 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
    • 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
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/327—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof

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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 invention provides a diluent of a treating agent for synthetic fibers, which can reduce fluff. The diluent must contain a smoothing agent (L), a nonionic surfactant (N) and a linear hydrocarbon (P) having 11 to 14 carbon atoms, and at least 1 selected from the group consisting of an oil film enhancer (H), an organic sulfonate (AS), an organic phosphate (AP), an ethylene oxide adduct of an organic amine (RA), a low viscosity diluent (D) and an antioxidant (E), the linear hydrocarbon (P) must contain a linear hydrocarbon having 13 carbon atoms and a linear hydrocarbon having 14 carbon atoms, the linear hydrocarbon (P) optionally contains a linear hydrocarbon having 11 carbon atoms and/or a linear hydrocarbon having 12 carbon atoms, the linear hydrocarbon (P) satisfies the following formula (1), and the weight ratio of the linear hydrocarbon (P) in the diluent of the treating agent for synthetic fibers is 8 to 50 wt%. 1 < wt% of straight-chain hydrocarbon having 13 carbon atoms/wt% of straight-chain hydrocarbon having 14 carbon atoms < 10 (1).

Description

Diluent of treating agent for synthetic fiber and use thereof
Technical Field
The present invention relates to a diluent for a treatment agent for synthetic fibers and use thereof.
Background
In the process of producing industrial synthetic fibers, a synthetic fiber treatment agent is applied to prevent fluff and yarn breakage of yarns, and smoothness and bundling properties are imparted to the yarns. In the method of coating the synthetic fiber treatment agent, there are cases of dilution with water and dilution with low-viscosity paraffin wax or the like. In recent years, there has been a problem that fluff increases due to an increase in productivity, a yarn production speed, and a draw ratio for increasing yarn strength.
Prior art literature
Patent literature
Patent document 1: japanese patent No. 6533002
Disclosure of Invention
Technical problem to be solved by the invention
In the case of diluting the synthetic fiber treating agent with a low-viscosity paraffin and coating, if the number of carbon atoms of the low-viscosity paraffin is different, the low-viscosity paraffin has different volatility on a heated roll for drawing the yarn. The volatility of low viscosity paraffin waxes affects the smoothness and bundling properties of the yarn during stretching. It was found that fluff can be reduced by using a low viscosity paraffin wax of optimal carbon number.
The purpose of the present invention is to provide a diluent for a treatment agent for synthetic fibers, which can reduce fluff.
Means for solving the problems
The present inventors have studied to solve the above problems and as a result, have found that a diluent containing a smoothing agent, a nonionic surfactant and a treating agent for a synthetic fiber containing a linear hydrocarbon having a specific number of carbon atoms in a specific quantitative ratio is accurate and suitable.
That is, the diluent of the treatment agent for a synthetic fiber of the present invention must contain at least 1 selected from the group consisting of a smoothing agent (L), a nonionic surfactant (N) and a linear hydrocarbon having 11 to 14 carbon atoms (P), which optionally contains a linear hydrocarbon having 11 carbon atoms and/or a linear hydrocarbon having 12 carbon atoms, an oil film reinforcing agent (H), an organic sulfonate (AS), an organic phosphate (AP), an ethylene oxide adduct of an organic amine (RA), a low-viscosity diluent (D) and an antioxidant (E), and the linear hydrocarbon (P) must contain a linear hydrocarbon having 13 carbon atoms and a linear hydrocarbon having 14 carbon atoms, and the linear hydrocarbon (P) optionally contains a linear hydrocarbon having 11 carbon atoms and/or a linear hydrocarbon having 12 carbon atoms, and satisfies the following formula (1),
The weight proportion of the straight-chain hydrocarbon (P) in the diluent of the treating agent for the synthetic fibers is 8-50 wt%.
1 < wt% of straight-chain hydrocarbon having 13 carbon atoms/wt% of straight-chain hydrocarbon having 14 carbon atoms < 10 (1)
Preferably, the straight-chain hydrocarbon (P) further contains a straight-chain hydrocarbon having 11 carbon atoms and/or a straight-chain hydrocarbon having 12 carbon atoms.
Preferably, the cleanliness of the diluent of the treating agent, that is, the ISO grade (4406:1999), is 17/16/14 or less, or 4 μm or more of the pollutant particles are 130000 or less per 100ml of the diluent of the treating agent.
Preferably, the diluent of the treatment agent for the synthetic fibers has a kinematic viscosity of 10mm at 30 DEG C 2 /s～100mm 2 /s。
Preferably, the diluent of the treatment agent for a synthetic fiber of the present invention has a high Wen Zhuodian value of 50 ℃ or higher and a low-temperature cloud point of 10 ℃ or lower.
The synthetic fiber filament yarn of the present invention is obtained by coating a raw material synthetic fiber filament yarn with a diluent of the treating agent for synthetic fibers.
The method for producing a synthetic fiber filament yarn of the present invention comprises a step of coating a raw synthetic fiber filament yarn with a diluent of the treatment agent for synthetic fibers.
Effects of the invention
The diluent of the treating agent for synthetic fibers of the present invention can reduce fluff when manufacturing synthetic fibers.
Detailed Description
The components of the diluent of the treatment agent for synthetic fibers of the present invention will be described.
[ straight-chain hydrocarbon (P) ]
The straight-chain hydrocarbon (P) used in the present invention is a straight-chain hydrocarbon having 11 to 14 carbon atoms.
The straight-chain hydrocarbon (P) must contain a straight-chain hydrocarbon having 13 carbon atoms and a straight-chain hydrocarbon having 14 carbon atoms, and the straight-chain hydrocarbon (P) optionally contains a straight-chain hydrocarbon having 11 carbon atoms and/or a straight-chain hydrocarbon having 12 carbon atoms.
The straight-chain hydrocarbon having 13 carbon atoms is n-tridecane, and the straight-chain hydrocarbon having 14 carbon atoms is n-tetradecane.
Examples of the straight-chain hydrocarbon (P) other than the straight-chain hydrocarbon having 11 carbon atoms and the hydrocarbon having 12 carbon atoms include: n-undecane having 11 carbon atoms and n-dodecane having 12 carbon atoms.
In the diluent of the treating agent for synthetic fibers of the present invention, if the straight-chain hydrocarbon (P) further contains a straight-chain hydrocarbon having 11 carbon atoms and/or a straight-chain hydrocarbon having 12 carbon atoms, fluff can be reduced, and therefore it is preferable from the viewpoint.
In the diluent of the treating agent for synthetic fibers of the present invention, the straight-chain hydrocarbon (P) contains a straight-chain hydrocarbon having 13 carbon atoms and a straight-chain hydrocarbon having 14 carbon atoms, and satisfies the following formula (1).
1 < wt% of straight-chain hydrocarbon having 13 carbon atoms/wt% of straight-chain hydrocarbon having 14 carbon atoms < 10 (1)
From the viewpoint of reducing fluff, the lower limit of the ratio of the weight% of the linear hydrocarbon having carbon number 13 to the weight% of the linear hydrocarbon having carbon number 14 (weight% of the linear hydrocarbon having carbon number 13/weight% of the linear hydrocarbon having carbon number 14) is more than 1, preferably 1.5 or more, and more preferably 2 or more.
From the viewpoint of reducing fluff, the upper limit of the ratio of the weight% of the linear hydrocarbon having carbon number 13 to the weight% of the linear hydrocarbon having carbon number 14 (weight% of the linear hydrocarbon having carbon number 13/weight% of the linear hydrocarbon having carbon number 14) is less than 10, preferably 8 or less, and more preferably 6 or less.
The weight% of the straight-chain hydrocarbon (P) was determined from the area integral measured by GC-FID. That is, the column used a capillary column of methyl silicon (DB-1 HT,0.32mm phi, 30 m), the carrier gas used helium, the detector used a hydrogen ion detector (FID), and the split ratio was 1 at a carrier gas flow rate of 1.84 mL/min: 25. the sample injection temperature was 300℃and the column temperature was 120 ℃ (1 minute) → (15 ℃ C./min) →240℃and the detector temperature was 300℃and the measurement was performed using GC-2010Plus (manufactured by Shimadzu corporation).
A standard solution was prepared by mixing 25 wt% of n-undecane (trade name: manufactured by Cactus Normal Paraffin N-11 ENEOS), 25 wt% of n-dodecane (trade name: manufactured by Cactus Normal Paraffin N-12D ENEOS), 25 wt% of n-tridecane (trade name: manufactured by Cactus Normal Paraffin N-13 ENEOS) and 25 wt% of n-tetradecane (trade name: manufactured by Cactus Normal Paraffin N-14 ENEOS), and the area integral of each straight-chain hydrocarbon having carbon atoms was determined by GC measurement under the above conditions. The diluted solution of the treatment agent for synthetic fibers was also subjected to GC measurement under the same conditions, and the area integral of the number of carbon atoms detected at the same holding time as the standard solution was obtained. The standard solution contains 25 wt% of each hydrocarbon, and since the weight is proportional to the area, the wt% is calculated according to the following formula (2). The total of the individual hydrocarbons is the weight% of the straight-chain hydrocarbon (P).
25 x area integral of 1 hydrocarbon in diluent of treatment agent for synthetic fiber/area integral of 1 hydrocarbon in standard solution = weight% of 1 hydrocarbon (2)
[ smoother (L) ]
[ smoother (L) ]
The smoothing component (L) is a component necessary for the diluent of the treatment agent for a synthetic fiber of the present invention, and is a component other than the nonionic surfactant (N). The smoothing component (L) may be the following known smoothing component generally used as a treatment agent for synthetic fibers: 1) An ester compound (L1) having a structure in which an aliphatic monohydric alcohol and a fatty acid are bonded by an ester bond; 2) An ester compound (L2) having a structure in which an aliphatic polyol and a fatty acid are ester-bonded; 3) An ester compound (L3) having a structure in which an aliphatic monohydric alcohol and an aliphatic polyhydric carboxylic acid are bonded by an ester bond; 4) An aromatic ester compound (L4) having an aromatic ring in the molecule; 5) A sulfur-containing ester compound (L5); 6) Mineral oil (L6), and the like. The smoothing component (L) may be used in an amount of 1 or 2 or more.
1) Ester compound (L1)
The ester compound (L1) is a compound having a structure in which an aliphatic monohydric alcohol and a fatty acid (aliphatic monocarboxylic acid) are bonded by an ester bond, and is a compound having no polyoxyalkylene group in the molecule. The ester compound (L1) may be used in an amount of 1 or 2 or more.
The ester compound (L1) is preferably a compound represented by the following general formula (3).
R 1 -COO-R 2 (3)
(wherein R is 1 Represents an alkyl or alkenyl group having 4 to 24 carbon atoms, R 2 An alkyl group or alkenyl group having 6 to 24 carbon atoms. )
R 1 The number of carbon atoms in (a) is preferably 6 to 22, more preferably 8 to 20, and still more preferably 10 to 18. If the number of carbon atoms is less than 4, the oil film becomes weak, and thus fluff may increase. On the other hand, when the number of carbon atoms exceeds 24, friction between fiber metals becomes high, and fluff may increase. R is R 1 The alkyl group may be an alkyl group or an alkenyl group, but is preferably an alkyl group from the viewpoint that the oil supply line is not blocked during long-term storage.
R 2 The number of carbon atoms in (a) is preferably 6 to 22, more preferably 8 to 20, and still more preferably 10 to 18. If the number of carbon atoms is less than 6, the oil film becomes weak, and thus fluff may increase. On the other hand, when the number of carbon atoms exceeds 24, friction between fiber metals becomes high, and fluff may increase. R is R 2 The alkenyl group may be either an alkyl group or an alkenyl group, but is preferable from the viewpoint that the oil supply line is not blocked during long-term storage.
The ester compound (L1) is not particularly limited, and examples thereof include: 2-decyl tetradecanoyl erucate, 2-decyl tetradecanoyl oleate, 2-octyl dodecyl stearate, isooctyl palmitate, isooctyl stearate, butyl palmitate, butyl stearate, butyl oleate, isooctyl oleate, lauric acid oleate, isotridecyl stearate, cetyl stearate, isostearyl oleate, oleyl caprylate, oleyl laurate, oleyl palmitate, oleyl stearate, oleyl oleate, and the like. Among them, 2-decyl tetradecanoyl oleate, 2-octyl dodecyl stearate, isooctyl palmitate, isooctyl stearate, laurate Gui Jiyou, isotridecyl stearate, cetyl stearate, isostearyl oleate, oleyl oleate are preferable.
2) Ester compound (L2)
The ester compound (L2) is a compound having a structure in which an aliphatic polyol and a fatty acid (aliphatic monocarboxylic acid) are bonded by an ester bond, and is a compound having no polyoxyalkylene group in the molecule. The ester compound (L2) may be used in an amount of 1 or 2 or more.
The aliphatic polyol constituting the ester compound (L2) is not particularly limited as long as it is 2 or more, and 1 or 2 or more may be used. From the viewpoint of oil film strength, the polyol is preferably 3 or more, more preferably 3 to 4, and still more preferably 3.
Examples of the aliphatic polyol include: ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, dipropylene glycol, tripropylene glycol, 1, 2-butanediol, 1, 3-butanediol, 1, 4-butanediol, 2-methyl-1, 3-propanediol, 1, 5-pentanediol, 1, 6-hexanediol, neopentyl glycol, cyclohexanediol, cyclohexanedimethanol, glycerol, trimethylolpropane, pentaerythritol, erythritol, diglycerol, sorbitol anhydride, sorbitol, ditrimethylolpropane, dipentaerythritol, triglycerol, tetraglycerol, sucrose, and the like. Among them, glycerin, trimethylol propane, pentaerythritol, erythritol, diglycerin, sorbitol anhydride, sorbitol, ditrimethylol propane, dipentaerythritol and sucrose are preferable, glycerin, trimethylol propane, pentaerythritol, erythritol, diglycerin and sorbitol anhydride are more preferable, and glycerin and trimethylol propane are further preferable.
The fatty acid constituting the ester compound (L2) may be saturated or unsaturated. The number of unsaturated bonds is not particularly limited, but in the case of having 3 or more unsaturated bonds, the treating agent is deteriorated by oxidation, and the lubricating property is impaired by thickening, so that it is preferable to have 1 or 2 unsaturated bonds. The number of carbon atoms of the fatty acid is preferably 8 to 24, more preferably 10 to 20, and even more preferably 12 to 18, from the viewpoint of simultaneously improving the oil film strength and lubricity. The fatty acid may be used in an amount of 1 or 2 or more, or may be used in combination of saturated fatty acid and unsaturated fatty acid.
The ester compound (L2) has not less than 2 ester bonds in the molecule, but is preferably a compound having not less than 3 ester bonds in the molecule, and more preferably a compound having not less than 3 ester bonds in the molecule, from the viewpoint that the oil supply line is not blocked during long-term storage.
The iodine value of the ester compound (L2) is not particularly limited.
The weight average molecular weight of the ester compound (L2) is preferably 300 to 1200, more preferably 300 to 1000, and still more preferably 500 to 1000. When the weight average molecular weight is less than 300, the oil film strength may be insufficient, fluff may be increased, or fuming during heat treatment may be increased. On the other hand, if the weight average molecular weight exceeds 1200, the smoothness may be insufficient and the fibers may be fluffed to a large extent, and thus, not only high-quality fibers may not be obtained, but also the quality may be deteriorated in the weaving and knitting steps. The weight average molecular weight of the present invention was calculated from the peaks measured by a differential refractive index detector by injecting 3mg/cc of the sample into separation columns KF-402HQ and KF-403HQ manufactured by Showa Denko Co., ltd.) using a high-speed gel permeation chromatography device HLC-8220 GPC.
Examples of the ester compound (L2) include: trimethylolpropane tricaprylate, trimethylolpropane tricaprate, trimethylolpropane trilaurate, trimethylolpropane trioleate, trimethylolpropane (laurate, myristate, palmitate), trimethylolpropane (laurate, myristate, oleate), trimethylolpropane (tripalmitin fatty acid ester), coconut oil, rapeseed oil, palm oil, glycerol trilaurate, glycerol trioleate, glycerol triisostearate, pentaerythritol tetracaprylate, pentaerythritol tetracaprate, pentaerythritol tetralaurate, pentaerythritol (tetrapalmitin fatty acid ester), 1, 6-hexanediol dioleate, and the like.
The ester compound (L2) may be synthesized by a known method using a general commercially available fatty acid and an aliphatic polyol. Alternatively, a natural ester of the ester compound (L2) obtained by natural fruit, seed, flower or the like may be used as it is, or the natural ester may be purified by a known method if necessary, or the purified ester may be separated and re-purified by a known method using a melting point difference. Alternatively, esters obtained by transesterifying 2 or more natural esters (fats and oils) may be used.
3) Ester compound (L3)
The ester compound (L3) is a compound having a structure in which an aliphatic monohydric alcohol and an aliphatic polycarboxylic acid are bonded by an ester, and is a compound having no polyoxyalkylene group in the molecule. The ester compound (L3) may be used in an amount of 1 or 2 or more.
The aliphatic monohydric alcohol constituting the ester compound (L3) is not particularly limited, and 1 or 2 or more kinds may be used. The aliphatic monohydric alcohol may be saturated or unsaturated. The number of unsaturated bonds is not particularly limited, but in the case of having 2 or more unsaturated bonds, the treatment agent is deteriorated by oxidation, and the lubricity is impaired by thickening, so that it is preferable to have 1 unsaturated bond. The number of carbon atoms of the aliphatic monohydric alcohol is preferably 8 to 24, more preferably 14 to 24, and even more preferably 18 to 22, from the viewpoint that the oil supply line is not blocked during long-term storage. The aliphatic monohydric alcohol may be used in an amount of 1 or 2 or more, or may be used in combination of a saturated aliphatic monohydric alcohol and an unsaturated aliphatic monohydric alcohol.
Examples of the aliphatic monohydric alcohol include: octanol, isooctanol, lauryl alcohol, myristyl alcohol, cetyl alcohol, isocetyl alcohol, palmitoyl alcohol, stearyl alcohol, isostearyl alcohol, oleyl alcohol, elaidic alcohol, isopolyol, eicosanol, arachidyl alcohol, isoeicosanol, eicosanol, behenyl alcohol, isobehenyl alcohol, erucyl alcohol, tetracosyl alcohol, isotetracosyl alcohol, neryl alcohol, waxy alcohol, montanyl alcohol, benzyl alcohol, and the like. Among them, octanol, isooctanol, lauryl alcohol, myristyl alcohol, cetyl alcohol, isocetyl alcohol, palmitoyl alcohol, stearyl alcohol, isostearyl alcohol, oleyl alcohol, elaidic alcohol, isooleyl alcohol, eicosyl alcohol, arachidyl alcohol, isoeicosyl alcohol, eicosanol, behenyl alcohol, isobehenyl alcohol, erucyl alcohol, lignoceryl alcohol, isotetracosyl alcohol, neryl alcohol, more preferably myristyl alcohol, palmitoyl alcohol, oleyl alcohol, elaidic alcohol, isooleyl alcohol, eicosyl alcohol, erucyl alcohol, neryl alcohol, further preferably oleyl alcohol, elaidic alcohol, isooleyl alcohol, eicosyl alcohol, erucyl alcohol.
The aliphatic polycarboxylic acid constituting the ester (L3) is not particularly limited as long as it is 2 or more valences, and 1 or 2 or more valences may be used. The aliphatic polycarboxylic acid used in the present invention does not contain a sulfur-containing polycarboxylic acid such as thiodipropionic acid. The valence of the aliphatic polycarboxylic acid is preferably 2. Likewise, it is preferable that the molecule does not contain hydroxyl groups.
Examples of the aliphatic polycarboxylic acid include: citric acid, isocitric acid, malic acid, aconitic acid, oxalacetic acid, oxalosuccinic acid, succinic acid, fumaric acid, maleic acid, glutaric acid, adipic acid, pimelic acid, suberic acid, azelaic acid, sebacic acid, and the like. Among them, aconitic acid, oxaloacetic acid, oxalosuccinic acid, succinic acid, fumaric acid, maleic acid, glutaric acid, adipic acid, pimelic acid, suberic acid, azelaic acid, sebacic acid are preferable, and fumaric acid, maleic acid, adipic acid, pimelic acid, suberic acid, azelaic acid, sebacic acid are more preferable.
Examples of the ester compound (L3) include: dioctyl adipate, dilauryl adipate, dioleate adipate, hypochlorous acid, dioctyl sebacate, dilauryl sebacate, dioleate sebacate, diisocetyl sebacate, and the like.
The ester compound (L3) is a compound having 2 or more ester bonds in the molecule. The iodine value of the ester compound (L3) is not particularly limited.
The weight average molecular weight of the ester compound (L3) is preferably 500 to 1000, more preferably 500 to 800, still more preferably 500 to 700. When the weight average molecular weight is less than 500, the oil film strength may be insufficient, fluff may be increased, or fuming during heat treatment may be increased. On the other hand, if the weight average molecular weight exceeds 1000, the melting point becomes high, which may cause scum in the weaving or knitting process, resulting in a level difference.
4) Aromatic ester compound (L4)
The aromatic ester compound (L4) is an ester compound having at least 1 aromatic ring in the molecule. In detail, there may be mentioned: an ester compound (L4-1) having a structure in which an aromatic carboxylic acid and an alcohol are ester-bonded, and an ester compound (L4-2) having a structure in which an aromatic alcohol and a carboxylic acid are ester-bonded. The aromatic ester compound (L4) is a compound having no polyoxyalkylene group in the molecule. The aromatic ester compound (L4) may be used in an amount of 1 or 2 or more.
5) Sulfur-containing ester compound (L5)
The sulfur-containing ester compound is at least one selected from diester compounds of thiodipropionic acid and aliphatic alcohol, and monoester compounds of thiodipropionic acid and aliphatic alcohol.
The sulfur ester compound is a component having an antioxidant ability. By using the sulfur-containing ester compound, the heat resistance of the treating agent can be improved. The sulfur-containing ester compound may be used in an amount of 1 or 2 or more. The molecular weight of thiodipropionic acid constituting the sulfur-containing ester compound is preferably 400 to 1000, more preferably 500 to 900, and even more preferably 600 to 800. The aliphatic alcohol constituting the sulfur-containing ester compound may be saturated or unsaturated. The aliphatic alcohol may be linear or branched, but preferably has a branched structure. The aliphatic alcohol has preferably 8 to 24 carbon atoms, more preferably 12 to 24 carbon atoms, and still more preferably 16 to 24 carbon atoms. Examples of the aliphatic alcohol include: octanol, 2-ethylhexanol, decanol, lauryl alcohol, myristyl alcohol, isocetyl alcohol, oleyl alcohol, isostearyl alcohol, etc., among which oleyl alcohol, isostearyl alcohol are preferred.
6) Mineral oil (L6)
The diluent of the treatment agent for synthetic fibers of the present invention may contain mineral oil as a smoothing component other than the above. The mineral oil mentioned here is not a straight hydrocarbon (P) and a low-viscosity diluent (D), but is contained in a nonvolatile component. The mineral oil is not particularly limited, and examples thereof include: engine oil, spindle oil, liquid paraffin, and the like. The mineral oil may be used in an amount of 1 or 2 or more. The viscosity of the mineral oil at 30℃is preferably from 100 to 500 seconds.
As the smoothing component (L), a purified one from which a catalyst or the like is removed is preferably used from the viewpoint that the oil supply line is not blocked during long-term storage.
[ nonionic surfactant (N) ]
From the viewpoints of coating the raw yarn with oil film strength, bundling property, and improving yarn-making property, the diluent of the treatment agent for synthetic fibers of the present invention must contain a nonionic surfactant (N) in addition to the above-mentioned smoothing component (L). The nonionic surfactant (N) is a component other than the above-mentioned smoothing component (L). The nonionic surfactant (N) may be used in an amount of 1 or 2 or more.
The nonionic surfactant (N) is at least 1 selected from polyoxyalkylene polyol ether, polyoxyalkylene polyol fatty acid ester, polyoxyalkylene aliphatic alcohol ether, fatty acid ester of polyoxyalkylene glycol, and polyol fatty acid ester.
(polyoxyalkylene polyol ether)
The polyoxyalkylene polyol ether is a compound having a structure in which alkylene oxide such as ethylene oxide, propylene oxide, or butylene oxide is added to a polyol.
As the polyol, there may be mentioned: ethylene glycol, glycerol, trimethylolpropane, pentaerythritol, diglycerol, sorbitan, sorbitol, ditrimethylolpropane, dipentaerythritol, sucrose, etc. Among them, glycerin, trimethylolpropane and sucrose are preferable.
The number of moles of alkylene oxide added is preferably 3 to 100, more preferably 4 to 70, and still more preferably 5 to 50. The proportion of ethylene oxide in the alkylene oxide is preferably 50 mol% or more, more preferably 80 mol% or more.
The polyoxyalkylene polyol ether preferably has a weight average molecular weight of 300 to 10000, more preferably 400 to 8000, still more preferably 500 to 5000. When the molecular weight is less than 300, the generation of fluff may not be reduced. On the other hand, if the molecular weight exceeds 10000, the friction of the treating agent becomes high, and generation of fluff cannot be reduced, but may be deteriorated.
As the polyoxyalkylene polyol ether, there may be mentioned: polyethylene glycol, glycerol ethylene oxide adduct, trimethylol propane ethylene oxide adduct, pentaerythritol ethylene oxide adduct, diglycerol ethylene oxide adduct, sorbitol anhydride ethylene oxide adduct, sorbitol ethylene oxide propylene oxide adduct, di (trimethylol propane) ethylene oxide adduct, dipentaerythritol ethylene oxide adduct, sucrose ethylene oxide adduct, and the like, but are not limited thereto.
(polyoxyalkylene polyol fatty acid ester)
The polyoxyalkylene polyol fatty acid ester is a compound having a structure in which a compound obtained by adding an alkylene oxide such as ethylene oxide, propylene oxide, or butylene oxide to a polyol is bonded to a fatty acid by an ester bond.
As the polyol, there may be mentioned: glycerol, trimethylolpropane, pentaerythritol, erythritol, diglycerol, sorbitan, sorbitol, ditrimethylolpropane, dipentaerythritol, sucrose and the like. Among them, glycerin, diglycerin, sorbitan and sorbitol are preferable.
As the fatty acid, there may be mentioned: lauric acid, myristic acid, myristoleic acid, palmitic acid, palmitoleic acid, isocetylic acid, stearic acid, isostearic acid, oleic acid, elaidic acid, linoleic acid, linolenic acid, arachic acid, eicosenoic acid, behenic acid, isobehenic acid, erucic acid, tetracosanoic acid, isotetracosanoic acid, and the like.
The number of moles of alkylene oxide added is preferably 3 to 100, more preferably 5 to 70, and still more preferably 10 to 50. The proportion of ethylene oxide in the alkylene oxide is preferably 50 mol% or more, more preferably 80 mol% or more.
The weight average molecular weight of the polyoxyalkylene polyol fatty acid ester is preferably 300 to 7000, more preferably 500 to 5000, still more preferably 700 to 3000. If the molecular weight is less than 300, fuming may occur in the heat treatment step, which may deteriorate the environment. In addition, generation of fluff may not be reduced. On the other hand, if the molecular weight exceeds 7000, the friction of the treating agent becomes high, and generation of fluff cannot be reduced, but may be deteriorated.
As the polyoxyalkylene polyol fatty acid ester, there may be mentioned: glycerol ethylene oxide adduct monolaurate, glycerol ethylene oxide adduct dilaurate, glycerol ethylene oxide adduct trilaurate, trimethylolpropane ethylene oxide adduct trilaurate, sorbitan ethylene oxide adduct monooleate, sorbitan ethylene oxide adduct dioleate, sorbitan ethylene oxide adduct trioleate, sorbitan ethylene oxide propylene oxide adduct monooleate, sorbitan ethylene oxide propylene oxide adduct dioleate, sorbitan ethylene oxide propylene oxide adduct trioleate, sorbitol ethylene oxide propylene oxide adduct trilaurate, sucrose ethylene oxide adduct trilaurate, and the like, but are not limited thereto.
(polyoxyalkylene aliphatic alcohol ether)
The polyoxyalkylene aliphatic alcohol ether is a compound having a structure in which an alkylene oxide such as ethylene oxide, propylene oxide, or butylene oxide is added to an aliphatic monohydric alcohol.
Examples of the polyoxyalkylene aliphatic alcohol ether include: alkylene oxide adducts of aliphatic alcohols such as octanol, 2-ethylhexanol, decanol, lauryl alcohol, tridecanol, myristyl alcohol, stearyl alcohol, isostearyl alcohol, oleyl alcohol, and the like.
The number of addition moles of the alkylene oxide is preferably 1 to 100 moles, more preferably 2 to 70 moles, and still more preferably 3 to 50 moles. The ratio of ethylene oxide to the entire alkylene oxide is preferably 20 mol% or more, more preferably 30 mol% or more, and still more preferably 40 mol% or more.
(fatty acid ester of polyalkylene glycol)
The fatty acid ester of polyalkylene glycol is a compound having a structure in which polyoxyethylene glycol, polyoxyethylene polyoxypropylene glycol and fatty acid are bonded by an ester bond. The weight average molecular weight of the polyalkylene glycol is preferably 100 to 1000, more preferably 150 to 800, and still more preferably 200 to 700.
As the polyalkylene glycol fatty acid ester, there may be mentioned: polyethylene glycol monolaurate, polyethylene glycol dilaurate, polyethylene glycol monooleate, polyethylene glycol dioleate, polyethylene glycol monostearate, polyethylene glycol distearate, polyethylene polypropylene glycol monolaurate, polyethylene polypropylene glycol dilaurate, polyethylene polypropylene glycol monooleate, polyethylene polypropylene glycol dioleate, and the like, but are not limited thereto.
(polyol fatty acid ester)
The polyol fatty acid ester is a compound having a structure in which a polyol and a fatty acid are bonded by an ester bond, and is a compound other than the above-mentioned smoothing component (L).
As the polyol, there may be mentioned: ethylene glycol, trimethylolpropane, pentaerythritol, erythritol, diethylene glycol, diglycerol, sorbitan, sorbitol, ditrimethylolpropane, sucrose and the like. Among them, ethylene glycol, glycerin, diglycerin, sorbitan and sorbitol are preferable.
As the fatty acid, there may be mentioned: lauric acid, myristic acid, myristoleic acid, palmitic acid, palmitoleic acid, isocetylic acid, stearic acid, isostearic acid, oleic acid, elaidic acid, linoleic acid, linolenic acid, isoeicosanoic acid, gadoleic acid, eicosenoic acid, behenic acid, isobehenic acid, erucic acid, tetracosanoic acid, and the like.
In addition, the polyol fatty acid ester has at least 1 or 2 or more hydroxyl groups.
The weight average molecular weight of the polyol fatty acid ester is preferably 100 to 1000, more preferably 200 to 800, and still more preferably 300 to 600.
The fatty acid esters include: glycerol monolaurate, glycerol dilaurate, glycerol monooleate, glycerol dioleate, sorbitan monooleate, sorbitan dioleate, sucrose monolaurate, sucrose dilaurate, and the like, but are not limited thereto.
As the nonionic surfactant (N), a substance purified by removing a catalyst or the like is preferably used from the viewpoint of improving heat resistance.
[ oil film enhancer (H) ]
The oil film enhancer (H) is at least 1 selected from a hydroxyl fatty acid polyol ester (hereinafter, sometimes referred to as polyhydroxyester) containing a nonionic polyoxyalkylene group and an ester obtained by capping at least one hydroxyl group of polyhydroxyester with a fatty acid. The oil film enhancer (H) is not contained in the smoothing agent (L) and the nonionic surfactant (N).
(polyhydroxyesters, esters obtained by capping at least one hydroxyl group of polyhydroxyesters with a fatty acid)
The polyhydroxyester is structurally an ester of a polyoxyalkylene-containing hydroxy fatty acid with a polyol, preferably wherein 2 or more of the hydroxyl groups of the polyol are esterified. Thus, polyoxyalkylene containing hydroxy fatty acid polyol esters are esters having multiple hydroxyl groups.
The polyoxyalkylene-containing hydroxy fatty acid has a structure in which a polyoxyalkylene group is bonded to a hydrocarbon group of a fatty acid via an oxygen atom, and a hydroxyl group is at one end of the polyoxyalkylene group which is not bonded to the hydrocarbon group of the fatty acid.
Examples of the polyhydroxyl ester include: alkylene oxide adducts of esters of hydroxy fatty acids having 6 to 22 carbon atoms (preferably 16 to 20 carbon atoms) with polyols.
Examples of the hydroxy fatty acid having 6 to 22 carbon atoms include: hydroxyoctanoic acid, hydroxydecanoic acid, hydroxylauric acid, hydroxystearic acid, ricinoleic acid, preferably hydroxyoctadecanoic acid, ricinoleic acid. Examples of the polyhydric alcohol include: ethylene glycol, glycerin, sorbitol, sorbitan, trimethylolpropane, pentaerythritol, and the like, with glycerin being preferred. As the alkylene oxide, there may be mentioned: alkylene oxides having 2 to 4 carbon atoms such as ethylene oxide, propylene oxide and butylene oxide.
The addition mole number of the alkylene oxide is preferably 3 to 60, more preferably 8 to 50. The proportion of ethylene oxide in the alkylene oxide is preferably 50 mol% or more, more preferably 80 mol% or more.
In the case of adding 2 or more kinds of alkylene oxides, the order of addition is not particularly limited, and the addition may be either block addition or random addition. The addition of the alkylene oxide can be carried out by a known method, but is usually carried out in the presence of a basic catalyst.
The polyhydroxyester can be produced, for example, by esterifying a polyhydric alcohol with a hydroxy fatty acid (hydroxy monocarboxylic acid) under ordinary conditions to obtain an esterified product, and then subjecting the esterified product to an addition reaction with an alkylene oxide. The polyhydroxyl ester can be suitably produced by using a naturally-derived oil or fat such as castor oil, hydrogenated castor oil having hydrogen added thereto, and further subjecting an alkylene oxide to an addition reaction.
Is an ester obtained by capping at least 1 hydroxyl group of the polyhydroxyester with a fatty acid. The number of carbon atoms of the blocked fatty acid is preferably 6 to 24, more preferably 12 to 18. The number of carbon atoms of the hydrocarbon group in the fatty acid may be distributed, and the hydrocarbon group may be linear or branched, may be saturated or unsaturated, or may have a polycyclic structure. Examples of such fatty acids include: lauric acid, myristic acid, palmitic acid, palmitoleic acid, stearic acid, oleic acid, eicosanoic acid, behenic acid, tetracosanoic acid, and the like. The method of esterification, the reaction conditions, and the like are not particularly limited, and known methods and ordinary conditions can be employed.
Examples of the polyhydroxyesters and esters obtained by capping at least one hydroxyl group of polyhydroxyesters with fatty acids include hydrogenated castor oil ethylene oxide adduct, POE (20) hydrogenated castor oil, castor oil ethylene oxide adduct, hydrogenated castor oil ethylene oxide adduct monooleate, hydrogenated castor oil ethylene oxide adduct dioleate, hydrogenated castor oil ethylene oxide adduct trioleate, POE (20) hydrogenated castor oil trioleate, castor oil ethylene oxide adduct trioleate, hydrogenated castor oil ethylene oxide adduct tristearate, and POE (20) hydrogenated castor oil tristearate, and among them, hydrogenated castor oil ethylene oxide adduct trioleate, and hydrogenated castor oil ethylene oxide adduct tristearate are preferable in terms of compatibility with a treating agent, oil film strength, and reduction of fuzz.
From the viewpoint of exerting the effect of the present application, the oil film enhancer (H) is preferably a condensate of an ethylene oxide adduct of hydrogenated castor oil and a dicarboxylic acid.
[ organic sulfonate (AS) ]
AS the organic sulfonate (AS), there may be mentioned: aromatic sulfonates, aliphatic sulfonates.
Examples of the aromatic sulfonate include: sodium toluene sulfonate, potassium ethylbenzene sulfonate, lithium propylbenzene sulfonate, sodium butylbenzene sulfonate, potassium hexylbenzene sulfonate, lithium octylbenzene sulfonate, sodium nonylbenzene sulfonate, triethanolamine nonylbenzene sulfonate, potassium decylbenzene sulfonate, sodium dodecylbenzene sulfonate, potassium dodecylbenzene sulfonate, sodium tetradecylbenzene sulfonate, potassium octadecylbenzene sulfonate, etc. Among them, preferred are aromatic sulfonates having an alkyl group having 1 to 12 carbon atoms in the molecule, such as sodium toluene sulfonate, sodium nonylbenzene sulfonate, triethanolamine nonylbenzene sulfonate, sodium dodecylbenzene sulfonate, and potassium dodecylbenzene sulfonate.
The aliphatic sulfonate is not particularly limited, and examples thereof include: sodium alkane sulfonate, sodium 1-octyl sulfonate, potassium 1-decanesulfonate, sodium 1-lauryl sulfonate, sodium 1-myristyl sulfonate, potassium 1-cetyl sulfonate, sodium 1-stearyl sulfonate, sodium isooctyl sulfonate, sodium isodecanesulfonate, sodium isolauryl sulfonate, sodium isomyristyl sulfonate, sodium isocetyl sulfonate, sodium isostearyl sulfonate, potassium diisobutyl sulfosuccinate, sodium di-2-ethylhexyl sulfosuccinate, sodium dioctyl sulfosuccinate, sodium dinonyl sulfosuccinate, and the like. These components may be used singly or in combination of 1 or more than 2. Among them, it is preferable to contain at least one compound selected from the compounds represented by the following chemical formula 7 and the compounds represented by the following chemical formula 8. By using these compounds, the effects of the present invention can be further improved, and particularly, tar and powdery mildew generated in the yarn-making process can be further reduced.
[ organophosphates (AP) ]
The organic phosphate (AP) is not particularly limited, and examples thereof include: POE (8) oleyl phosphate alkyl amino ether salt, isocetyl phosphate POE alkyl amino ether salt, oleyl phosphate dibutyl ethanolamine salt, isocetyl phosphate POE (10) lauryl amino ether salt, isocetyl phosphate POE (10) stearyl amino ether salt, tridecyl phosphate POE (3) lauryl amino ether salt, POE (8) oleyl ether phosphate POE (2) lauryl amino ether salt, and the like.
POE (8) represents addition of 8 moles of polyoxyethylene.
[ ethylene oxide adduct of organic amine (RA) ]
The ethylene oxide adduct (RA) of an organic amine is a compound having a structure in which ethylene oxide is added to an organic amine.
As the organic amine, there may be mentioned: 1) Aliphatic amine compounds such as methylamine, dimethylamine, trimethylamine, ethylamine, diethylamine, triethylamine, butylamine, dibutylamine, tributylamine, octylamine, laurylamine, stearylamine, and oleylamine; 2) Alkanolamine compounds such as monoethanolamine, diethanolamine, triethanolamine, isopropanolamine, diisopropanolamine, and triisopropanolamine; 3) Aliphatic alkanolamine compounds such as N, N-bis (hydroxyethyl) butylamine, N-bis (hydroxyethyl) octylamine, and N, N-bis (hydroxyethyl) laurylamine.
From the viewpoint of exerting the effect of the present application, the addition mole number of ethylene oxide is preferably 1 to 40, more preferably 2 to 30, and still more preferably 3 to 20.
Specific examples of the ethylene oxide adduct (RA) of an organic amine include: POE (10) lauryl amino ether, POE (15) oleyl amino ether, POE (10) tallow alkyl amino ether oleate, and the like.
[ Low viscosity Diluent (D) ]
The low-viscosity diluent (D) is not particularly limited, and examples thereof include: organic solvents, water, and the like. The low viscosity diluent (D) does not contain straight chain hydrocarbons (P).
Specific examples of the organic solvent include: hexane, ethanol, isopropanol, oleyl alcohol, ethylene glycol, propylene glycol, diethyl ether, toluene, xylene, dimethylformamide, methyl ethyl ketone, chloroform, glycerin, and the like.
[ antioxidant (E) ]
The antioxidant (E) is not particularly limited, but an organic antioxidant is preferable from the viewpoint of exerting the effects of the present application. As the organic antioxidant, there may be mentioned: tris (octadecyl) phosphite, N' -diphenyl-p-phenylenediamine, dioleyl-thiodipropionate, hindered phenol antioxidants and the like. Among them, a hindered phenol-based antioxidant is preferable from the viewpoint of exerting the effects of the present application.
More preferably, the hindered phenol antioxidant has a tertiary butyl group in each phenol group of 1 or less and a carbonyl group of 1 or more.
Examples of the hindered phenol-based antioxidant include: 2, 6-di-tert-butyl-4-methylphenol, n-octadecyl-3- (4 ' -hydroxy-3 ',5' -di-tert-butylphenyl) propionate, 2' -methylenebis (4-methyl-6-tert-butylphenol), 2' -methylenebis (4-ethyl-6-tert-butylphenol), 2, 4-bis (octylthiomethyl) -o-cresol, 2-tert-butyl-6- (3-tert-butyl-2-hydroxy-5-methylbenzyl) -4-methylphenylacrylate, 2, 4-di-tert-amyl-6- [1- (3, 5-di-tert-amyl-2-hydroxyphenyl) ethyl ] phenylacrylate, 2- [1- (2-hydroxy-3, 5-di-tert-pentylphenyl) phenylacrylate, tetrakis- [1- (2-hydroxy-3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] methane, 1,3, 5-tris (4-tert-butyl-3-hydroxy-2, 6-dimethylbenzyl) bis [3- (3-tert-butyl-4-hydroxy-5-methylphenyl) ethyl ] propionate [ [ ethylene ] ] methane ], 3, 9-bis [2- [3- (3-tert-butyl-4-hydroxy-5-methylphenyl) propoxy ] -1, 1-dimethylene ] -2,4,8, 10-tetraoxaspiro [5,5] undecane, 4' -butylidenebis (3-methyl-6-tert-butyl) phenol, and the like.
These hindered phenol antioxidants may be used in combination of 1 or 2 or more.
[ method for producing a diluent for a treatment agent for synthetic fibers ]
Mixing at least 1 selected from the group consisting of a smoothing agent (L) and a nonionic surfactant (N) with an antioxidant (E), stirring at 60-150 ℃ to dissolve the antioxidant (E), and cooling to 10-100 ℃ to obtain a solution. All of 1 or more selected from a solution, a smoothing agent (L), a nonionic surfactant (N), an oil film enhancer (H), an organic sulfonate (AS), an organic phosphate (AP), an ethylene oxide adduct of an organic amine (RA) and a low-viscosity diluent (D) are mixed. The mixture is mixed with a straight-chain hydrocarbon (P). The mixture was stirred at 30 to 100℃for 1 hour or more, allowed to stand for 10 hours or more, and then filtered under the following filtration conditions to obtain a final treatment agent solution.
Filtration conditions
And (3) filter paper: 300-400 parts of basis weight, 0.5-1 part of thickness, 100-150 parts of air permeability and 1-5 mu m of filtering precision
Filter aid: diatomite
Diatom of filter paper thickness of soil: 5-20 cm
The smoothing agent (L), the nonionic surfactant (N), the oil film enhancer (H), the organic sulfonate (AS), the organic phosphate (AP), the ethylene oxide adduct of organic amine (RA), and the low viscosity diluent (D) the same AS those described in the description of the diluent for the synthetic fiber treatment agent can be used AS the linear hydrocarbon (P).
[ Diluent of treatment agent for synthetic fibers ]
The "diluent of the treatment agent for synthetic fibers" of the present invention means a component other than the linear hydrocarbon (P), and examples of the component other than the linear hydrocarbon (P) include: a smoothing agent (L), a nonionic surfactant (N), an oil film enhancer (H), an organic sulfonate (AS), an organic phosphate (AP), an ethylene oxide adduct of an organic amine (RA), a low viscosity diluent (D), an antioxidant (E), and the like. The "diluent of the treating agent for synthetic fibers" means a diluent containing a linear hydrocarbon (P).
The diluent of the synthetic fiber treatment agent of the present invention may be further diluted with a linear hydrocarbon (P) or the like at the time of fiber treatment.
The weight ratio of the linear hydrocarbon (P) in the diluent of the treatment agent for a synthetic fiber is 8 to 50 wt%, preferably 10 to 40 wt%, more preferably 12 to 30 wt%, and even more preferably 15 to 20 wt%. If it is less than 8 wt% or exceeds 50 wt%, fluff is increased.
The height Wen Zhuodian of the diluent of the treating agent for a synthetic fiber of the present invention is preferably 50℃or higher, more preferably 55℃or higher, and still more preferably 60℃or higher, from the viewpoint of uniform adhesion. The upper limit of the preferred height Wen Zhuodian is 90 ℃.
The low Wen Zhuodian of the diluent of the treating agent for a synthetic fiber of the present invention is preferably 10 ℃ or lower, more preferably 5 ℃ or lower, and even more preferably 0 ℃ or lower, from the viewpoint of uniform adhesion. The preferred low temperature cloud point has a lower limit of-10 ℃.
From the viewpoints of uniform adhesion and scattering of the treatment agent from the oil supply device, the kinematic viscosity of the diluent of the treatment agent for synthetic fibers of the present invention at 30℃is preferably 10mm 2 /s～100mm 2 The range of/s is more preferably 20mm 2 /s～90mm 2 S, more preferably 40mm 2 /s～85mm 2 /s。
The diluent of the treating agent for synthetic fibers of the present invention is preferably 17/16/14 or less, more preferably 15/14/12 or less, still more preferably 14/13/11 or less, and particularly preferably 13/11/9 or less in terms of the cleanliness of the treating agent, i.e., the ISO grade, from the viewpoint of nozzle clogging.
ISO grade (4406:1999) refers to the distribution of contaminant particles in a liquid by counting the solid particles contained in a 100ml sample. If the actual count value is used, the range of the display values becomes large, and therefore, the display values are converted into a number code obtained by using the logarithm of 2, which is an international standard for indicating the contamination level. The code is calculated based on the count values of the particle numbers of 4 μm or more, 6 μm or more, and 14 μm or more.
For the diluent of the treatment agent for synthetic fibers, the number of contaminant particles C per 100ml of the diluent was determined by using a particle-in-liquid meter (for example, particle-in-liquid meter System 8011 manufactured by HACH ULTRA ANALYTICS, HIAC Royco liquid, etc.) D 。
From the viewpoint of exerting the effect of the present application, the number of contaminant particles of 4 μm or more is preferably 130000 or less, more preferably 64000 or less, and even more preferably 32000 or less per 100ml of the diluent of the treatment agent for a synthetic fiber of the present invention.
From the viewpoint of exerting the effect of the present application, the weight ratio of the smoothing agent (L) to the diluent of the synthetic fiber treating agent of the present invention is preferably 15 to 80 wt%, more preferably 20 to 70 wt%, even more preferably 25 to 60 wt%, and particularly preferably 30 to 55 wt%.
From the viewpoint of exerting the effect of the present application, the weight ratio of the nonionic surfactant (N) to the diluent of the treatment agent for a synthetic fiber of the present invention is preferably 3 to 40% by weight, more preferably 5 to 30% by weight, still more preferably 7 to 25% by weight, and particularly preferably 10 to 23% by weight.
From the viewpoint of exerting the effect of the present application, the weight ratio of the oil film reinforcing agent (H) to the diluent of the treatment agent for a synthetic fiber of the present invention is preferably 3 to 40% by weight, more preferably 5 to 30% by weight, still more preferably 7 to 25% by weight, and particularly preferably 10 to 20% by weight.
From the viewpoint of exerting the effect of the present application, the weight ratio of the organic sulfonate (AS) to the diluent of the treatment agent for a synthetic fiber of the present invention is preferably 0.01 to 10% by weight, more preferably 0.05 to 5% by weight, still more preferably 0.1 to 3% by weight, and particularly preferably 0.5 to 2% by weight.
From the viewpoint of exerting the effect of the present application, the weight ratio of the organic phosphate (AP) to the diluent of the treatment agent for a synthetic fiber of the present invention is preferably 0.01 to 10% by weight, more preferably 0.05 to 5% by weight, still more preferably 0.1 to 3% by weight, and particularly preferably 0.5 to 2% by weight.
From the viewpoint of exerting the effect of the present application, the weight ratio of the ethylene oxide adduct (RA) of the organic amine to the diluent of the treatment agent for a synthetic fiber of the present invention is preferably 0.01 to 10% by weight, more preferably 0.05 to 5% by weight, still more preferably 0.1 to 3% by weight, and particularly preferably 0.5 to 2% by weight.
From the viewpoint of exerting the effect of the present application, the weight ratio of the antioxidant (E) to the diluent of the treatment agent for a synthetic fiber of the present invention is preferably 0.01 to 10% by weight, more preferably 0.05 to 5% by weight, still more preferably 0.1 to 3% by weight, and particularly preferably 0.5 to 2% by weight.
From the viewpoint of exerting the effect of the present application, the weight ratio of the low viscosity diluent (D) to the diluent of the treatment agent for a synthetic fiber of the present invention is preferably 0.01 to 10% by weight, more preferably 0.1 to 5% by weight, still more preferably 0.5 to 4% by weight, and particularly preferably 1 to 3% by weight.
Method for producing synthetic fiber filament yarn and fiber structure
The method for producing a synthetic fiber filament yarn of the present invention comprises a step of coating a raw synthetic fiber filament yarn with a diluent of the treatment agent for synthetic fibers of the present invention. According to the production method of the present invention, generation of fluff can be reduced, and a synthetic fiber filament yarn excellent in yarn quality can be obtained. The raw material synthetic fiber filament yarn in the present invention refers to a synthetic fiber filament yarn that is not coated with a diluent of a treatment agent for synthetic fibers.
The step of applying the diluent of the treating agent for synthetic fibers is not particularly limited, and a known method can be used. In general, a diluent of a treatment agent for synthetic fibers is applied in a spinning process of a raw synthetic fiber filament yarn. After the diluent of the treating agent for synthetic fibers is applied, the synthetic fibers are stretched and heat-set by a hot roll, and then wound up. In this way, when the process of performing hot stretching without winding is provided after the treatment agent is applied, the diluent of the treatment agent for synthetic fibers of the present invention can be suitably used. As the temperature at the time of hot stretching, for example, polyester and nylon are assumed to be 190 to 260℃in the case of industrial materials and 110 to 220℃in the case of clothing.
The method of applying the diluent of the treatment agent for synthetic fibers in applying the raw material synthetic fiber filament yarn is not particularly limited, and examples thereof include: guiding oil supply, roller oil supply, dipping oil supply, spraying oil supply and the like. Among them, the pilot oil supply and the roller oil supply are preferable in terms of easiness of managing the coating amount.
The amount of nonvolatile components of the treatment agent for synthetic fibers to be applied is preferably 0.05 to 5% by weight, more preferably 0.1 to 3% by weight, and even more preferably 0.1 to 2% by weight, based on the raw material synthetic fiber filament yarn. When the amount is less than 0.05% by weight, the effect of the present invention may not be exhibited. On the other hand, if the amount exceeds 5% by weight, the nonvolatile component of the treating agent may easily fall off into the yarn path, and the effect of the present invention may not be exhibited.
As the synthetic fiber filament yarn, (raw materials) there may be mentioned: filament yarns of synthetic fibers such as polyester fibers, polyamide fibers, and polyolefin fibers. The treatment agent for synthetic fibers of the present invention is suitable for synthetic fibers such as polyester fibers, polyamide fibers, and polyolefin fibers. As the polyester fiber, there may be mentioned: examples of the polyamide fibers include a Polyester (PET) having ethylene terephthalate as a main constituent unit, a Polyester (PTT) having propylene terephthalate as a main constituent unit, a Polyester (PBT) having butylene terephthalate as a main constituent unit, and a Polyester (PLA) having lactic acid as a main constituent unit: nylon 6, nylon 66, etc., and examples of the polyolefin fiber include: polypropylene, polyethylene, and the like. The method for producing the synthetic fiber filament yarn is not particularly limited, and a known method can be used.
(fiber Structure)
The fiber structure of the present invention comprises the synthetic fiber filament yarn obtained by the above-described production method of the present invention. Specifically, the present invention relates to a synthetic fiber filament yarn using a diluent to which the synthetic fiber treatment agent of the present invention is applied, a woven fabric woven by a water jet loom, an air jet loom or a rapier loom, and a woven fabric woven by a circular knitting machine, a warp knitting machine or a weft knitting machine. The fiber structure may be used in the following applications: industrial materials such as tire cord, safety belt, airbag, fishing net, rope, and the like, clothing, and the like. The method for producing the woven or knitted fabric is not particularly limited, and a known method can be used.
Examples
The present invention will be described below by way of examples, but the present invention is not limited to the examples described herein. In the text and table, "%" means "% by weight".
[ ISO grade (4406:1999) ]
The ISO grade (4406:1999) is a state in which the distribution of contaminant particles in a liquid is represented by counting solid particles contained in 100ml of a sample. If the actual count is used, the indicated numerical range becomes large, and thus the numerical code converted to a number code obtained by using the logarithm of 2 is an international standard for indicating the contamination level. The code is calculated based on the count values of the particle numbers of 4 μm or more, 6 μm or more, and 14 μm or more.
The number of contaminant particles C in each 100ml of the diluent of the treatment agent for a synthetic fiber was determined by using a particle-in-liquid meter (for example, particle-in-liquid meter System 8011 manufactured by HACH ULTRA ANALYTICS, HIAC Royco liquid) D 。
[ high temperature cloud Point ]
50g of a sample (containing volatile components) was placed in a 100ml beaker, and the mixture was gradually warmed by an electric heater to set the temperature at which the entire liquid was fogged to a value of Wen Zhuodian.
[ Low Wen Zhuodian ]
50g of a sample (containing volatile components) was placed in a 100ml beaker, and the temperature in the environmental tester was gradually lowered to set the temperature at which the entire liquid fogged as a low-temperature cloud point.
The components shown in tables 1 to 5 are as follows.
L-1 palm oil
L-2 trimethylolpropane (tripalmitin fatty acid ester)
L-3 glycerol trioleate
L-4 thiodipropionic acid dioleate
N-1PEG600 dioleate
N-2POP (14) POE (12) stearyl ether (random)
N-3POE (20) sorbitan trioleate
N-4 polyglycerol dioleate (degree of condensation of glycerol 1-6, average 2)
H-1POE (20) hydrogenated castor oil
H-2POE (20) hydrogenated castor oil trioleate
H-3 Compound obtained by capping terminal hydroxyl groups of esters of 2 moles of POE (20) hydrogenated castor oil ether and 1 mole of maleic acid with stearic acid
H-4 Compound obtained by capping terminal hydroxyl groups of esters of 2 moles of POE (25) hydrogenated castor oil ether and 1 mole of maleic acid with stearic acid
AS-1 alkane sodium sulfonate
AS-2 bis (2-ethylhexyl) sulfosuccinate
AP-1 isocetyl phosphate POE (10) lauryl amino ether salt
AP-2 isocetyl phosphate POE (10) stearylaminoether salt
AP-3POE (8) oleyl ether phosphate POE (2) lauryl amino ether salt
RA-1POE (10) lauryl amino ether
RA-2POE (15) oleyl amino ether
E-1, 3, 5-tris (4-tert-butyl-3-hydroxy-2, 6-dimethylbenzyl) isocyanurate
D-1 ethylene glycol
D-2 Glycerol
D-3 oleyl alcohol
D-4 Water
P-1-undecane
P-2-n-dodecane
P-3-tridecane
P-4-n-tetradecane
POE (n) represents the number of moles of ethylene oxide added.
PEG means polyethylene glycol. P-3/P-4 in the table represents the weight% of the straight-chain hydrocarbon having 13 carbon atoms/the weight% of the straight-chain hydrocarbon having 14 carbon atoms.
TABLE 1
TABLE 2
TABLE 3
TABLE 4
TABLE 5
Example 1
30 parts by weight of palm oil as a smoothing agent (L), 27 parts by weight of trimethylolpropane (tripalmitin fatty acid ester), 2 parts by weight of thiodipropionic acid dioleate, and 1 part by weight of 1,3, 5-tris (4-tert-butyl-3-hydroxy-2, 6-dimethylbenzyl) isocyanurate as an antioxidant (E) were mixed and stirred at 110℃for 1 hour, and dissolution of the antioxidant (E) was confirmed, and the mixture was cooled to 40℃to obtain a solution. 15 parts by weight of PEG600 dioleate AS a nonionic surfactant (N), 5 parts by weight of POE (20) hydrogenated castor oil AS an oil film enhancer (H), 10 parts by weight of POE (20) hydrogenated castor oil trioleate, 5 parts by weight of a compound obtained by capping terminal hydroxyl groups of 2 moles of POE (20) hydrogenated castor oil ether with 1 mole of maleic acid with stearic acid, 2 parts by weight of sodium alkane sulfonate AS an organic sulfonate (AS), 2 parts by weight of isocetyl Phosphate (POE) 10 lauryl amino ether salt AS an organic phosphate (AP), 1 part by weight of POE (10) lauryl amino ether AS an ethylene oxide adduct (RA) of an organic amine, 2 parts by weight of ethylene glycol AS a low viscosity diluent (D), and 1 part by weight of water are added to the solution and mixed. 6 parts by weight of n-tridecane as a linear hydrocarbon (P) and 3 parts by weight of n-tetradecane were added to the mixed solution and mixed. The mixed solution was stirred at 30 to 100 ℃ for 1 hour or more, then allowed to stand for 10 hours or more, and then filtered under the following filtration conditions to obtain a diluted solution of the treatment agent for synthetic fibers.
Filtration conditions
And (3) filter paper: 300-400 parts of basis weight, 0.5-1 part of thickness, 100-150 parts of air permeability and 1-5 mu m of filtering precision
Filter aid: diatomite
Thickness of diatomaceous earth of filter paper: 5-20 cm
[ kinematic viscosity of a diluent of a treating agent for synthetic fibers at 30 ]
For measurement of the kinematic viscosity of the diluent of the treatment agent for synthetic fibers, 10g of the sample was added to a candelan-finck viscometer, and the mixture was kept in a constant temperature bath at a temperature of 30.+ -. 0.1 ℃ for 15 minutes. Then, the flow-out time (seconds) between the samples passing through the standard line of the viscometer was measured, and the value obtained by multiplying the flow-out time by the coefficient of the viscometer was used as the kinematic viscosity.
Kinematic viscosity μ=f×t of diluent of treatment agent for synthetic fiber
{ factor:1.3043, outflow time: t sec
In the same manner as in examples 2 to 20 and comparative examples 1 to 6, the kinematic viscosity of the diluted solutions of the treatment agents was measured.
(fluff)
In the melt spinning step, the yarn obtained by melt spinning the polyester polymer and cooling and solidifying is coated with the diluent of the treating agent prepared as described above so that the coating amount of the nonvolatile component is 0.6 wt%. The coating method is implemented using a nozzle oil supply method.
The 8 yarns coated with the treating agent were wound around a hot roll at an interval of 8 to 10mm, and were continuously drawn to 5.1 times through a hot roll at 250℃without winding, to obtain 1100dtex 96-filament polyethylene terephthalate multifilament yarns. The drawn, heat-set yarn is rolled up, but the yarn is interwoven (interlace) immediately prior to rolling up and the filaments are bundled with one another. The interlacing is performed by injecting a high pressure fluid, such as high pressure air, through the nozzle. The fluff was evaluated under the following conditions.
Fluff: the number of fluff was checked by a fluff counter for each treating agent-attached yarn, and the value of less than 1 per million m was regarded as "very good", the value of less than 2 was regarded as "good", and the value of 2 or more was regarded as "poor". And the sum of the circles is qualified.
AS is clear from tables 2 to 4, the diluent of the treatment agent for a synthetic fiber of the present invention must contain at least 1 selected from the group consisting of a smoothing agent (L), a nonionic surfactant (N) and a linear hydrocarbon (P) having 11 to 14 carbon atoms, which contains a linear hydrocarbon having 13 carbon atoms and a linear hydrocarbon having 14 carbon atoms, and which optionally contains a linear hydrocarbon having 11 carbon atoms and/or a linear hydrocarbon having 12 carbon atoms, and satisfies the above formula (1), and the weight ratio of the linear hydrocarbon (P) in the diluent of the treatment agent for a synthetic fiber is 8 to 50% by weight.
In particular, in the case where the filter step is provided and the ISO grade is excellent, the fluff evaluation is very good.
On the other hand, as is clear from table 5, the problems of the present application cannot be solved in the case where the weight ratio of the linear hydrocarbon (P) in the treating agent is less than 8% (comparative example 1), the case where the formula (1) is not satisfied (comparative examples 2 and 3), and the case where the weight ratio of the linear hydrocarbon (P) in the treatment is more than 50% by weight in the case where n-tridecane and n-tetradecane are not contained (comparative example 5).
Industrial applicability
The diluent of the treating agent for synthetic fibers of the present invention can stably produce synthetic fibers without blocking an oil supply line even if stored for a long period of time, and is therefore suitable for use in synthetic fiber filament yarns used for industrial materials such as waterproof oilpaper, tire cord, safety belt, air bags, fishing net, ropes, slings, clothing such as fabrics and knits, and the like.

Claims (7)

1. A diluent for a treating agent for synthetic fibers, characterized in that,
the diluent of the treating agent for synthetic fibers must contain a smoothing agent (L), a nonionic surfactant (N) and a straight-chain hydrocarbon (P) having 11 to 14 carbon atoms, and at least 1 selected from the group consisting of an oil film enhancer (H), an organic sulfonate (AS), an organic phosphate (AP), an ethylene oxide adduct of an organic amine (RA), a low-viscosity diluent (D) and an antioxidant (E),
the straight-chain hydrocarbon (P) must contain a straight-chain hydrocarbon having 13 carbon atoms and a straight-chain hydrocarbon having 14 carbon atoms,
the straight-chain hydrocarbon (P) optionally contains a straight-chain hydrocarbon having 11 carbon atoms and/or a straight-chain hydrocarbon having 12 carbon atoms,
the straight-chain hydrocarbon (P) satisfies the following formula (1),
1 < wt% of straight-chain hydrocarbon having 13 carbon atoms/wt% of straight-chain hydrocarbon having 14 carbon atoms < 10 (1),
The weight proportion of the straight-chain hydrocarbon (P) in the diluent of the treating agent for the synthetic fibers is 8-50 wt%.
2. The diluent for a treatment agent for a synthetic fiber according to claim 1, wherein,
the straight-chain hydrocarbon (P) further contains a straight-chain hydrocarbon having 11 carbon atoms and/or a straight-chain hydrocarbon having 12 carbon atoms.
3. The diluent for a treatment agent for a synthetic fiber according to claim 1 or 2, wherein,
the cleanliness of the diluent of the treating agent, namely ISO grade (4406:1999), is below 17/16/14, or the number of pollutant particles above 4 mu m is below 130000 in each 100ml of the diluent of the treating agent.
4. The diluent for a treatment agent for a synthetic fiber according to any one of claim 1 to 3, wherein,
the diluent of the treatment agent for the synthetic fiber has a kinematic viscosity of 10mm at 30 DEG C 2 /s～100mm 2 /s。
5. The diluent for a treatment agent for a synthetic fiber according to any one of claim 1 to 4, wherein,
the diluent for the synthetic fiber treatment agent has a high Wen Zhuodian value of 50 ℃ or higher and a low-temperature cloud point of 10 ℃ or lower.
6. A synthetic fiber filament yarn characterized in that,
the synthetic fiber filament yarn is obtained by coating a raw synthetic fiber filament yarn with the diluent of the treating agent for synthetic fibers according to any one of claims 1 to 5.
7. A method for producing a synthetic fiber filament yarn, characterized by comprising the steps of,
the method for producing a synthetic fiber filament yarn comprising a step of coating the raw synthetic fiber filament yarn with the diluent of the treating agent for synthetic fibers according to any one of claims 1 to 5.
CN202280039246.2A 2021-05-31 2022-03-25 Diluent of treating agent for synthetic fiber and use thereof Pending CN117413100A (en)

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