CN114075784A - Secondary oil treatment method of heterocyclic aramid - Google Patents

Secondary oil treatment method of heterocyclic aramid Download PDF

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CN114075784A
CN114075784A CN202010844775.2A CN202010844775A CN114075784A CN 114075784 A CN114075784 A CN 114075784A CN 202010844775 A CN202010844775 A CN 202010844775A CN 114075784 A CN114075784 A CN 114075784A
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oiling
agent
treatment
heterocyclic aramid
stage
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CN114075784B (en
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刘克杰
彭涛
叶瑞
张俊华
曾永荣
张聪
刘开勇
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Zhonglan Chenguang Chemical Co ltd
China Bluestar Chengrand Co Ltd
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Zhonglan Chenguang Chemical Co ltd
China Bluestar Chengrand Co Ltd
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    • 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
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    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C7/00—Heating or cooling textile fabrics
    • D06C7/02—Setting
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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
    • D06M13/10—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
    • D06M13/2246—Esters of unsaturated carboxylic acids
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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
    • D06M13/244—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
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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
    • D06M13/244—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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    • 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
    • D06M15/53—Polyethers
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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
    • D06M2101/34—Polyamides
    • D06M2101/36—Aromatic polyamides
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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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract

The invention discloses a secondary oil treatment method of heterocyclic aramid fiber, and belongs to the technical field of chemical fibers. In the spinning process, the method comprises the steps of firstly carrying out primary oiling agent treatment on the heterocyclic aramid protofilament, drying and carrying out heat treatment, then carrying out secondary oiling agent treatment, and then winding and forming the heterocyclic aramid fiber. The first-stage oil agent is prepared from isooctyl stearate, fatty alcohol potassium phosphate, polyethylene glycol monooleate and polyoxyethylene sorbitan monooleate; the second-stage oil agent is prepared from laurylamine polyoxyethylene ether, sodium diisooctyl sulfosuccinate and polyoxyethylene ether sorbitan monooleate. The heterocyclic aramid finished silk fiber processed by the two-stage different oiling agents has small loss of mechanical properties in the forming processing process and good weaving performance, can be used for preparing high-quality woven fabric, simultaneously the warp stretching strength and the weft stretching strength of the woven fabric respectively reach 20.3KN/5cm and 21.5KN/5cm, and is suitable for manufacturing high-tech products such as bulletproof chips, airplane skins, linear motors and the like.

Description

Secondary oil treatment method of heterocyclic aramid
Technical Field
The invention relates to a heterocyclic aramid fiber manufacturing technology, in particular to a secondary oiling agent treatment method of heterocyclic aramid fiber, and belongs to the technical field of chemical fiber.
Background
The heterocyclic aramid fiber is ternary, quaternary or quinary copolymer fiber which is established on the basis of a domestic aramid fiber III molecular structure and is formed by modifying a molecular chain structure. The domestic aramid iii is a heterocyclic aromatic polyamide fiber similar to russian APMOC fiber. The aramid III polymer is copolymerized by three monomers, namely paraphthaloyl chloride, paraphenylenediamine and 5- (6) -amido-2- (4-aminophenyl) benzimidazole.
The key preparation technology of the heterocyclic aramid fiber is generally divided into two procedures. The first step is a polymerization process, i.e., the preparation of a polymer; the second step is a spinning process, i.e., preparing the fiber. For example, CN 101921395a discloses a preparation method of a high-performance heterocyclic aramid, which comprises the following process steps: A. preparation of the heterocyclic polyamide solution (i.e., preparation of the polymer); B. defoaming, wet spinning (namely preparing fiber): and spraying the polymer solution into a coagulating bath from a spinning nozzle for coagulating and forming to obtain nascent fiber, performing plastic stretching on the nascent fiber in a plasticizing stretching bath, washing with water, oiling, drying, performing heat treatment and surface treatment, and winding into a barrel. CN 104357939A discloses a preparation method of chlorine-containing high-performance heterocyclic aramid, which comprises the following process steps: A. preparing a chlorine heterocyclic ring-containing polyamide solution (namely preparing a polymer); B. defoaming, wet spinning (namely preparing fiber): and spraying the polymer solution into a coagulating bath from a spinning nozzle for coagulating and forming to obtain nascent fiber, performing plastic stretching on the nascent fiber in a plasticizing stretching bath, washing with water, oiling, drying, performing heat treatment, and winding into a barrel. The spinning process is divided into a spinning technology of intermittent heat treatment and a spinning technology of continuous heat treatment according to different fiber heat treatment processes. Russian patent RU2167961C1 reports a batch heat-treated spinning process that yields fibers in the range of 70% to 80%. Domestic patent CN1473969A discloses a one-step continuous heat treatment process which can obtain fibers with more stable quality.
In the molding process of the heterocyclic aramid fiber, i.e. the spinning process, the prior oiling agent treatment technology for the heterocyclic aramid fiber is basically focused on the surface treatment of the fiber, such as:
1. CN102797152A discloses a surface modification method of aramid, which comprises the steps of preparation of a surface modification treating agent, coating of the surface modifying agent and drying treatment, wherein the surface modification treating agent is directly used by dissolving a fluorocarbon silane coupling agent with a specific molecular structural formula in an organic solvent or directly used by emulsifying and dispersing the fluorocarbon silane coupling agent in water by adopting a fluorocarbon active agent. The surface treating agent improves the interface performance of the aramid fiber and the epoxy resin matrix, and the interlaminar shear strength of the modified aramid fiber/epoxy composite material reaches 50-58 MPa.
2. CN10787647A discloses a surface treatment method of aramid fiber III, which comprises the steps of preparation of a surface modification treatment agent, surface treatment, drying and the like, wherein the preparation of the surface treatment agent is as follows: adding one or more of low molecular weight aliphatic diisocyanate or diol diglycidyl ether into organic solvent to form a uniform solution with a mass fraction of 0.5-5%. The prepared surface treating agent can improve the interface bonding performance of the aramid fiber III/epoxy composite material, so that the interlayer shear strength of the aramid fiber III/epoxy composite material is improved to 45-55 MPa.
It can be seen that the prior art mainly aims at the modification treatment of the surface of the aramid fiber III to improve the interface performance of the aramid fiber and the composite material, but cannot solve the problems of poor weaving performance of the heterocyclic fiber and low quality of woven fabric.
Disclosure of Invention
The invention aims to provide a method for treating a secondary oil agent of heterocyclic aramid. In the spinning process, the method comprises the steps of firstly carrying out primary oiling agent treatment on the heterocyclic aramid raw yarn, drying and carrying out heat treatment, then carrying out secondary oiling agent treatment, and finally winding and forming the heterocyclic aramid finished yarn. The heterocyclic aramid fiber treated by the two-stage different oil agents has small loss of mechanical properties in the forming and processing process and good fiber weaving performance, can be used for preparing high-quality woven fabric, and can remarkably improve the fiber quality.
The purpose of the invention is realized by the following technical scheme: a secondary oiling agent treatment method of heterocyclic aramid comprises the following steps:
A. filament releasing: unwinding the heterocyclic aramid precursor from a filament unwinding machine under the condition that the tension is not less than 0.1cN/tex and not more than 1cN/tex, and uniformly unwinding the precursor from a yarn drum at the speed of 10-50 m/min;
B. first-stage oil treatment: the method comprises the following steps of (1) unwinding a heterocyclic aramid precursor from a filament unwinding machine, feeding the precursor into a first-stage oiling agent oiling machine, immersing the precursor into the oiling agent, and carrying out continuous and stable oiling treatment at the circulation volume of the oiling agent of 2-10L/min;
C. drying and heat treatment: drying the oiled raw silk, and then feeding the dried raw silk into a heat treatment channel for heat setting treatment;
D. and (3) second-stage oil treatment: the protofilament is subjected to heat treatment to form finished filaments, the finished filaments enter a second-stage oiling agent oiling machine after being cooled by air, the protofilament is immersed in an oiling agent, and continuous and stable oiling treatment is carried out at the circulation volume of the oiling agent of 5-25L/min;
E. winding: and (4) performing secondary oiling treatment on the heterocyclic aramid finished yarn, and then winding and forming the heterocyclic aramid finished yarn by using a winding machine.
The heterocyclic aramid fiber is a ternary, quaternary or quinary copolymer fiber, and the molecular structure of the fiber contains basic chain link units shown in the following formulas (I) and (II), wherein the formula (I) is a chain link generated by the reaction of terephthaloyl chloride and p-phenylenediamine; the formula (II) is a chain link generated by the reaction of terephthaloyl chloride and 5(6) -amido-2- (4-aminophenyl) benzimidazole.
Figure 693279DEST_PATH_IMAGE001
In the step B, the first-stage oil agent comprises the following components in percentage by mass:
(a) isooctyl stearate: 20 to 50 percent;
(b) potassium salt of fatty alcohol phosphate ester: 15% -40%;
(c) polyethylene glycol monooleate: 10% -30%;
(d) polyoxyethylene sorbitan monooleate: 5 to 15 percent.
Further, the component (a) is isooctyl stearate CAS number: 27214-90-0.
Further, the potassium salt of fatty alcohol phosphate ester of the component (b) is a mixture containing any two or three of the compounds represented by the following formula (1), formula (2) and formula (3),
Figure 79261DEST_PATH_IMAGE003
wherein R is C2～C20Alkyl of (2), the number of carbon atoms being preferably C4～C16。
Further, the component (c) polyethylene glycol monooleate has a CAS number of 9004-96-0 and a molecular formula: c18H33O2.(C2H4O) n.H, the molecular structural formula is as follows:
Figure DEST_PATH_IMAGE004
wherein n represents the polymerization degree of polyethylene glycol, and n is more than or equal to 2 and less than or equal to 10. The polymerization degree of the polyethylene glycol is preferably 4. ltoreq. n.ltoreq.8.
Further, the component (d) is polyoxyethylene sorbitan monooleate having CAS number: 9005-65-6.
Adding the components (a), (b), (c) and (d) into a mixer, stirring and mixing uniformly, and filtering to remove insoluble oil, thereby obtaining the first-stage oil agent in the step A of the invention. When the emulsion is used for the first-stage oil treatment, the first-stage oil is added into a dispersion machine, deionized water is added, and the emulsion is prepared into emulsion with the mass concentration of 0.1-5% through high-speed stirring and shearing and then is oiled for use.
In the first-stage oiling agent treatment process, the first-stage oiling agent can improve the lubricity and the dispersibility of the heterocyclic aramid protofilament, has good volatility at the heat treatment temperature of 300-400 ℃, and can enable the solvent and the water in the protofilament to fully overflow during heat treatment, so that the fiber with a more compact tissue structure is formed.
In the step C, the drying is carried out at the temperature of 140-180 ℃ for 0.2-1 min.
In the step C, the temperature of the heat treatment shaft is 300-400 ℃, and the treatment time is 0.2-1 min.
In the step D, the second-stage oil agent comprises the following components in percentage by mass: 30-60% of laurylamine polyoxyethylene ether, 20-50% of diisooctyl sulfosuccinate sodium and 10-30% of polyoxyethylene ether sorbitan monooleate.
Further, the diisooctyl sulfosuccinate has CAS number: 577-11-7; polyoxyethylene ether sorbitan monooleate CAS number: 9005-65-6.
And D, adding the laurylamine polyoxyethylene ether, the sodium diisooctyl sulfosuccinate and the polyoxyethylene ether sorbitan monooleate into a mixer according to the mass percentage, uniformly stirring and mixing, and filtering to remove insoluble substances of the oil agent to obtain the second-stage oil agent in the step D. When the emulsion is used for the second-stage oil treatment, the second-stage oil is added into a dispersion machine, deionized water is added, and the emulsion is prepared into emulsion with the mass concentration of 0.5-4% through high-speed stirring and shearing and then is oiled for use.
In the process of treating the second-level oil agent, the second-level oil agent forms a layer of oil film on the surface of the heterocyclic aramid finished yarn, so that the fiber has lubricating property and antistatic property, and meanwhile, the oil film has adsorbability, and the fiber bundling property can be endowed. After the heterocyclic aramid finished yarn is treated by the second-stage oiling agent, the weaving performance of the fiber is obviously improved.
The method can treat the heterocyclic aramid fiber by two modes of batch operation and continuous operation, and is selected and used according to production requirements.
Drawings
FIG. 1 is a process flow diagram of the heterocyclic aramid secondary oil agent of the present invention.
The invention has the following beneficial effects:
1. in the processing process of the heterocyclic aramid fiber, heat treatment plays an important role in the mechanical property of the fiber. The invention well solves the problems of lubricity and dispersibility of the fiber through the first-stage oil treatment, so that the fiber is less worn and is heated more uniformly during heat treatment; meanwhile, the first-stage oil agent formed by the four components (a), (b), (c) and (d) in the invention has the characteristic of easy volatilization under the heat treatment condition, prevents the oil agent from attaching to the surface of the fiber to form a mucosa, is beneficial to the full overflow of the solvent and the water in the fiber, and enables the fiber tissue structure to be more compact, thereby obtaining the fiber with more excellent mechanical property.
2. The heterocyclic aramid fiber has excellent mechanical properties, but has poor weaving properties, which are caused by its own physical structure and manufacturing process. The invention effectively solves the problem of poor weaving performance when the heterocyclic aramid fiber is applied to woven cloth through the second-stage oil agent treatment. In the process of treating the second-stage oil agent, the second-stage oil agent formed by proportioning the three components (laurylamine polyoxyethylene ether, sodium diisooctyl sulfosuccinate and polyoxyethylene ether sorbitan monooleate) on the surface of the finished heterocyclic aramid fiber forms an oil film, so that the fiber has lubricating property, the sodium diisooctyl sulfosuccinate can also ensure that the fiber has antistatic property, meanwhile, the oil film has adsorbability, the fiber bundling property can be endowed, and the weaving property of the fiber is obviously improved.
3. According to the invention, by combining the characteristics of the heterocyclic aramid fiber and respectively carrying out oiling treatment twice by adopting the composite oiling agent matched with the first-stage oiling agent and the second-stage oiling agent, the smoothness of the fiber can be endowed, the friction coefficient of the fiber and a guide wire piece is reduced, the abrasion is reduced, the fiber is uniformly heated during heat treatment, the oiling agent is easy to volatilize, and the fiber is ensured to have more excellent mechanical property; meanwhile, the fiber can be endowed with bundling and antistatic properties, so that the weaving performance of the fiber is obviously improved. After being treated by the secondary oil agent, the heterocyclic aramid fiber can be used for preparing woven fabric with excellent performance, the warp stretching strength of the obtained woven fabric reaches 20.3KN/5cm, and the weft stretching strength of the woven fabric reaches 21.5KN/5cm, so that the heterocyclic aramid fiber is suitable for manufacturing high-tech products such as bulletproof chips, airplane skins, linear motors and the like.
Detailed Description
The present invention is described in further detail below with reference to examples, but the embodiments of the present invention are not limited thereto.
Example 1
As shown in fig. 1, a secondary oiling agent treatment method for heterocyclic aramid comprises the following steps:
A. filament releasing: unwinding the heterocyclic aramid precursor from a filament unwinding machine under the condition of 0.5cN/tex of tension, and uniformly unwinding the precursor from a yarn drum at the speed of 35 m/min;
B. first-stage oil treatment: the method comprises the following steps of (1) unwinding a heterocyclic aramid precursor from a filament unwinding machine, feeding the precursor into a first-stage oiling agent oiling machine (namely a No. 1 oiling machine), immersing the precursor into an oiling agent, and performing continuous and stable oiling treatment at the circulation volume of the oiling agent of 5L/min;
C. drying and heat treatment: drying the oiled raw silk for 0.5min at 160 ℃ by using a dryer, and then feeding the dried raw silk into a heat treatment shaft (the temperature is 330 ℃ and the treatment time is 0.6 min) for heat setting treatment;
D. and (3) second-stage oil treatment: the protofilament is subjected to heat treatment to form finished filaments, the finished filaments are cooled by air and then enter a second-stage oiling agent oiling machine (namely a No. 2 oiling machine), the protofilament is immersed in an oiling agent, and continuous and stable oiling treatment is carried out under the condition that the circulation amount of the oiling agent is 10L/min;
E. winding: and (4) performing secondary oiling treatment on the heterocyclic aramid finished yarn, and then winding and forming the heterocyclic aramid finished yarn by using a winding machine.
In the step B, the first-stage oil agent is prepared from the following components in percentage by mass: isooctyl stearate CAS number 27214-90-0]20 percent; 40% of n-butyl alcohol phosphate potassium salt (composed of compounds shown in the following formulas (1 a) and (2 a)); polyethylene glycol monooleate [ CAS number 9004-96-0%]The molecular formula is as follows: c18H33O2.(C2H4O)4H, 25%; polyoxyethylene sorbitan monooleate [ CAS No.: 9005-65-6]15 percent; adding the components into a mixer, stirring and mixing uniformly, and filtering to remove insoluble substances of the oil agent to obtain the oil agent; adding the oil agent into a dispersion machine, adding deionized water, stirring at a high speed and shearing, preparing into emulsion with the mass concentration of 1%, and adding into a No. 1 oiling machine for use.
Figure DEST_PATH_IMAGE006
In the step D, the second-stage oil agent is prepared from the following components in percentage by mass: laurylamine polyoxyethylene ether 60%, diisooctyl sulfosuccinate sodium [ CAS no: 577-11-7]30%, polyoxyethylene ether sorbitan monooleate [ CAS No.: 9005-65-6] 10%; adding the components into a mixer, stirring and mixing uniformly, and filtering to remove insoluble substances of the oil agent to obtain the oil agent; adding the oil agent into a dispersion machine, adding deionized water, stirring at a high speed and shearing, preparing into emulsion with the mass concentration of 0.5%, and adding into a No. 2 oiling machine for use.
Example 2
As shown in fig. 1, a secondary oiling agent treatment method for heterocyclic aramid comprises the following steps:
A. filament releasing: unwinding the heterocyclic aramid precursor from a filament unwinding machine under the condition of 0.1cN/tex of tension, and uniformly unwinding the precursor from a yarn bobbin at the speed of 10 m/min;
B. first-stage oil treatment: the method comprises the following steps of (1) unwinding a heterocyclic aramid precursor from a filament unwinding machine, feeding the precursor into a first-stage oiling agent oiling machine (namely a No. 1 oiling machine), immersing the precursor into an oiling agent, and performing continuous and stable oiling treatment at the circulation volume of the oiling agent of 2L/min;
C. drying and heat treatment: drying the oiled raw silk for 1min at 140 ℃ by a dryer, and then entering a heat treatment shaft (the temperature is 300 ℃ and the treatment time is 1 min) for heat setting treatment;
D. and (3) second-stage oil treatment: the protofilament is subjected to heat treatment to form finished filaments, the finished filaments are cooled by air and then enter a second-stage oiling agent oiling machine (namely a No. 2 oiling machine), the protofilament is immersed in an oiling agent, and continuous and stable oiling treatment is carried out at the oiling agent circulation rate of 5L/min;
E. winding: and (4) performing secondary oiling treatment on the heterocyclic aramid finished yarn, and then winding and forming the heterocyclic aramid finished yarn by using a winding machine.
In the step B, the first-stage oil agent is prepared from the following components in percentage by mass: 50% of isooctyl stearate, 20% of n-octyl alcohol phosphate potassium salt (composed of compounds shown by the following formulas (1 b), (2 b) and (3 b)), and polyethylene glycol monooleate C18H33O2.(C2H4O)5H20%, polyoxyethylene sorbitan monooleate 10%; adding the components into a mixer, stirring and mixing uniformly, and filtering to remove insoluble substances of the oil agent to obtain the oil agent; adding the oil agent into a dispersion machine, adding deionized water, stirring at a high speed and shearing, preparing into emulsion with the mass concentration of 0.5%, and adding into a No. 1 oiling machine for use.
Figure DEST_PATH_IMAGE008
In the step D, the second-stage oil agent is prepared from the following components in percentage by mass: 30% of laurylamine polyoxyethylene ether, 50% of sodium diisooctyl sulfosuccinate and 20% of polyoxyethylene ether sorbitan monooleate; adding the components into a mixer, stirring and mixing uniformly, and filtering to remove insoluble substances of the oil agent to obtain the oil agent; adding the oil agent into a dispersion machine, adding deionized water, stirring at a high speed and shearing, preparing into emulsion with the mass concentration of 1%, and adding into a No. 2 oiling machine for use.
Example 3
As shown in fig. 1, a secondary oiling agent treatment method for heterocyclic aramid comprises the following steps:
A. filament releasing: unwinding the heterocyclic aramid precursor from a filament unwinding machine under the condition of 0.8cN/tex of tension, and uniformly unwinding the precursor from a yarn drum at the speed of 50 m/min;
B. first-stage oil treatment: the method comprises the following steps of (1) unwinding a heterocyclic aramid precursor from a filament unwinding machine, feeding the precursor into a first-stage oiling agent oiling machine (namely a No. 1 oiling machine), immersing the precursor into an oiling agent, and performing continuous and stable oiling treatment under the condition that the circulation amount of the oiling agent is 10L/min;
C. drying and heat treatment: drying the oiled raw silk for 0.2min at 180 ℃ by a dryer, and then feeding the raw silk into a heat treatment shaft (the temperature is 350 ℃, and the treatment time is 0.5 min) for heat setting treatment;
D. and (3) second-stage oil treatment: the protofilament is subjected to heat treatment to form finished filament, the finished filament enters a second-stage oiling agent oiling machine (namely a No. 2 oiling machine) after being cooled by air, and is immersed into an oiling agent, and continuous and stable oiling treatment is carried out under the condition that the circulation amount of the oiling agent is 25L/min;
E. winding: and (4) performing secondary oiling treatment on the heterocyclic aramid finished yarn, and then winding and forming the heterocyclic aramid finished yarn by using a winding machine.
In the step B, the first-stage oil agent is prepared from the following components in percentage by mass: 50% of isooctyl stearate, 20% of isoamyl phosphate potassium salt (composed of compounds shown by the following formulas (2C) and (3C)), and polyethylene glycol monooleate C18H33O2.(C2H4O)6H25%, polyoxyethylene sorbitan monooleate 5%; adding the components into a mixer, stirring and mixing uniformly, and filtering to remove insoluble substances of the oil agent to obtain the oil agent; adding the oil agent into a dispersion machine, adding deionized water, stirring at a high speed and shearing to prepare an emulsion with the mass concentration of 0.1%, and adding the emulsion into a No. 1 oiling machine for use.
Figure DEST_PATH_IMAGE010
In the step D, the second-stage oil agent is prepared from the following components in percentage by mass: 50% of laurylamine polyoxyethylene ether, 20% of sodium diisooctyl sulfosuccinate and 30% of polyoxyethylene ether sorbitan monooleate; adding the components into a mixer, stirring and mixing uniformly, and filtering to remove insoluble substances of the oil agent to obtain the oil agent; adding the oil agent into a dispersion machine, adding deionized water, stirring at a high speed and shearing, preparing into emulsion with the mass concentration of 2%, and adding into a No. 2 oiling machine for use.
Example 4
As shown in fig. 1, a secondary oiling agent treatment method for heterocyclic aramid comprises the following steps:
A. filament releasing: under the condition of 1cN/tex of tension, unwinding the heterocyclic aramid protofilament from a filament unwinding machine to uniformly unwind the protofilament from a yarn drum at the speed of 50 m/min;
B. first-stage oil treatment: the method comprises the following steps of (1) unwinding a heterocyclic aramid precursor from a filament unwinding machine, feeding the precursor into a first-stage oiling agent oiling machine (namely a No. 1 oiling machine), immersing the precursor into an oiling agent, and performing continuous and stable oiling treatment at the circulation volume of the oiling agent of 8L/min;
C. drying and heat treatment: drying the oiled raw silk for 0.8min at 150 ℃ by using a dryer, and then feeding the raw silk into a heat treatment shaft (the temperature is 380 ℃ and the treatment time is 0.8 min) for heat setting treatment;
D. and (3) second-stage oil treatment: the protofilament is subjected to heat treatment to form finished filaments, the finished filaments are cooled by air and then enter a second-stage oiling agent oiling machine (namely a No. 2 oiling machine), the protofilament is immersed in an oiling agent, and continuous and stable oiling treatment is carried out under the condition that the circulation amount of the oiling agent is 20L/min;
E. winding: and (4) performing secondary oiling treatment on the heterocyclic aramid finished yarn, and then winding and forming the heterocyclic aramid finished yarn by using a winding machine.
In the step B, the first-stage oil agent is prepared from the following components in percentage by mass: 25% of isooctyl stearate, 40% of isopentanol phosphate potassium salt (composed of the same compound as in example 3), and polyethylene glycol monooleate C18H33O2.(C2H4O)6H25%, polyoxyethylene sorbitan monooleate 10%; adding the components into a mixer, stirring and mixing uniformly, and filtering to remove insoluble substances of the oil agent to obtain the oil agent; adding the oil agent into a dispersion machine, adding deionized water, stirring at a high speed and shearing, preparing into emulsion with the mass concentration of 3%, and adding into a No. 1 oiling machine for use.
In the step D, the second-stage oil agent is prepared from the following components in percentage by mass: 45% of laurylamine polyoxyethylene ether, 30% of sodium diisooctyl sulfosuccinate and 25% of polyoxyethylene ether sorbitan monooleate; adding the components into a mixer, stirring and mixing uniformly, and filtering to remove insoluble substances of the oil agent to obtain the oil agent; adding the oil agent into a dispersion machine, adding deionized water, stirring at a high speed and shearing, preparing into emulsion with the mass concentration of 3%, and adding into a No. 2 oiling machine for use.
Example 5
As shown in fig. 1, a secondary oiling agent treatment method for heterocyclic aramid comprises the following steps:
A. filament releasing: unwinding the heterocyclic aramid precursor from a filament unwinding machine under the condition of 0.6cN/tex of tension, and uniformly unwinding the precursor from a yarn drum at the speed of 50 m/min;
B. first-stage oil treatment: the method comprises the following steps of (1) unwinding a heterocyclic aramid precursor from a filament unwinding machine, feeding the precursor into a first-stage oiling agent oiling machine (namely a No. 1 oiling machine), immersing the precursor into an oiling agent, and performing continuous and stable oiling treatment at the circulation volume of the oiling agent of 3L/min;
C. drying and heat treatment: drying the oiled raw silk for 0.5min at 160 ℃ by using a dryer, and then feeding the dried raw silk into a heat treatment shaft (the temperature is 320 ℃, and the treatment time is 1 min) for heat setting treatment;
D. and (3) second-stage oil treatment: the protofilament is subjected to heat treatment to form finished filaments, the finished filaments are cooled by air and then enter a second-stage oiling agent oiling machine (namely a No. 2 oiling machine), the protofilament is immersed in an oiling agent, and continuous and stable oiling treatment is carried out under the condition that the circulation amount of the oiling agent is 15L/min;
E. winding: and (4) performing secondary oiling treatment on the heterocyclic aramid finished yarn, and then winding and forming the heterocyclic aramid finished yarn by using a winding machine.
In the step B, the first-stage oil agent is prepared from the following components in percentage by mass: 20% of isooctyl stearate, 40% of n-butyl alcohol potassium phosphate (composed of the same compound as in example 1), and polyethylene glycol monooleate C18H33O2.(C2H4O)6H25%, polyoxyethylene sorbitan monooleate 15%; adding the components into a mixer, stirring and mixing uniformly, and filtering to remove insoluble substances of the oil agent to obtain the oil agent; adding the oil agent into a dispersion machine, adding deionized water, stirring at a high speed and shearing, preparing into emulsion with the mass concentration of 2%, and adding into a No. 1 oiling machine for use.
In the step D, the second-stage oil agent is prepared from the following components in percentage by mass: 50% of laurylamine polyoxyethylene ether, 35% of sodium diisooctyl sulfosuccinate and 15% of polyoxyethylene ether sorbitan monooleate; adding the components into a mixer, stirring and mixing uniformly, and filtering to remove insoluble substances of the oil agent to obtain the oil agent; adding the oil agent into a dispersion machine, adding deionized water, stirring at a high speed and shearing, preparing into emulsion with the mass concentration of 4%, and adding into a No. 2 oiling machine for use.
Example 6
As shown in fig. 1, a secondary oiling agent treatment method for heterocyclic aramid comprises the following steps:
A. filament releasing: unwinding the heterocyclic aramid precursor from a filament unwinding machine under the condition of 0.6cN/tex of tension, and uniformly unwinding the precursor from a yarn drum at the speed of 50 m/min;
B. first-stage oil treatment: the method comprises the following steps of (1) unwinding a heterocyclic aramid precursor from a filament unwinding machine, feeding the precursor into a first-stage oiling agent oiling machine (namely a No. 1 oiling machine), immersing the precursor into an oiling agent, and performing continuous and stable oiling treatment under the condition that the circulation amount of the oiling agent is 6L/min;
C. drying and heat treatment: drying the oiled raw silk for 0.6min at 145 ℃ by using a dryer, and then feeding the dried raw silk into a heat treatment shaft (the temperature is 360 ℃, and the treatment time is 0.7 min) for heat setting treatment;
D. and (3) second-stage oil treatment: the protofilament is subjected to heat treatment to form finished filaments, the finished filaments are cooled by air and then enter a second-stage oiling agent oiling machine (namely a No. 2 oiling machine), the protofilament is immersed in an oiling agent, and continuous and stable oiling treatment is carried out at the oiling agent circulation rate of 14L/min;
E. winding: and (4) performing secondary oiling treatment on the heterocyclic aramid finished yarn, and then winding and forming the heterocyclic aramid finished yarn by using a winding machine.
In the step B, the first-stage oil agent is prepared from the following components in percentage by mass: 45% of isooctyl stearate, 15% of n-heptanol phosphate potassium salt (consisting of compounds represented by the following formulas (1 d), (2 d) and (3 d)), and polyethylene glycol monooleate C18H33O2.(C2H4O)730% of H, 10% of polyoxyethylene sorbitan monooleate; adding the components into a mixer, stirring and mixing uniformly, and filtering to remove insoluble substances of the oil agent to obtain the oil agent; adding the oil agent into a dispersion machine, adding deionized water, stirring at a high speed and shearing, preparing into emulsion with the mass concentration of 5%, and adding into a No. 1 oiling machine for use.
Figure DEST_PATH_IMAGE012
In the step D, the second-stage oil agent is prepared from the following components in percentage by mass: 35% of laurylamine polyoxyethylene ether, 35% of sodium diisooctyl sulfosuccinate and 30% of polyoxyethylene ether sorbitan monooleate; adding the components into a mixer, stirring and mixing uniformly, and filtering to remove insoluble substances of the oil agent to obtain the oil agent; adding the oil agent into a dispersion machine, adding deionized water, stirring at a high speed and shearing to prepare an emulsion with the mass concentration of 2.5%, and adding the emulsion into a No. 2 oiling machine for use.
Example 7
As shown in fig. 1, a secondary oiling agent treatment method for heterocyclic aramid comprises the following steps:
A. filament releasing: unwinding the heterocyclic aramid precursor from a filament unwinding machine under the condition of 0.6cN/tex of tension, and uniformly unwinding the precursor from a yarn drum at the speed of 50 m/min;
B. first-stage oil treatment: the method comprises the following steps of (1) unwinding a heterocyclic aramid precursor from a filament unwinding machine, feeding the precursor into a first-stage oiling agent oiling machine (namely a No. 1 oiling machine), immersing the precursor into an oiling agent, and performing continuous and stable oiling treatment at the circulation volume of the oiling agent of 9L/min;
C. drying and heat treatment: drying the oiled raw silk for 0.8min at 170 ℃ by a dryer, and then feeding the raw silk into a heat treatment shaft (the temperature is 385 ℃, and the treatment time is 0.8 min) for heat setting treatment;
D. and (3) second-stage oil treatment: the protofilament is subjected to heat treatment to form finished filaments, the finished filaments are cooled by air and then enter a second-stage oiling agent oiling machine (namely a No. 2 oiling machine), the protofilament is immersed in an oiling agent, and continuous and stable oiling treatment is carried out at the oiling agent circulation rate of 13L/min;
E. winding: and (4) performing secondary oiling treatment on the heterocyclic aramid finished yarn, and then winding and forming the heterocyclic aramid finished yarn by using a winding machine.
In the step B, the first-stage oil agent is prepared from the following components in percentage by mass: isooctyl stearate 40%, potassium n-octanol phosphate (consisting of the same compound as in example 2) 38%, polyethylene glycol monooleate C18H33O2.(C2H4O)810% of H, 12% of polyoxyethylene sorbitan monooleate; adding the components into a mixer, stirring and mixing uniformly, and filtering to remove insoluble substances of the oil agent to obtain the oil agent; adding the oil agent into a dispersion machine, adding deionized water, stirring at a high speed and shearing, preparing into emulsion with the mass concentration of 4.5%, and adding into a No. 1 oiling machine for use.
In the step D, the second-stage oil agent is prepared from the following components in percentage by mass: 55% of laurylamine polyoxyethylene ether, 25% of sodium diisooctyl sulfosuccinate and 20% of polyoxyethylene ether sorbitan monooleate; adding the components into a mixer, stirring and mixing uniformly, and filtering to remove insoluble substances of the oil agent to obtain the oil agent; adding the oil agent into a dispersion machine, adding deionized water, stirring at a high speed and shearing, preparing into emulsion with the mass concentration of 3.5%, and adding into a No. 2 oiling machine for use.
Example 8
As shown in fig. 1, a secondary oiling agent treatment method for heterocyclic aramid comprises the following steps:
A. filament releasing: unwinding the heterocyclic aramid precursor from a filament unwinding machine under the condition of 0.5cN/tex of tension, and uniformly unwinding the precursor from a yarn drum at the speed of 50 m/min;
B. first-stage oil treatment: the method comprises the following steps of (1) unwinding a heterocyclic aramid precursor from a filament unwinding machine, feeding the precursor into a first-stage oiling agent oiling machine (namely a No. 1 oiling machine), immersing the precursor into an oiling agent, and performing continuous and stable oiling treatment at the circulation volume of the oiling agent of 5L/min;
C. drying and heat treatment: drying the oiled raw silk for 0.6min at 155 ℃ by a dryer, and then feeding the raw silk into a heat treatment channel (with the temperature of 375 ℃ and the treatment time of 0.9 min) for heat setting treatment;
D. and (3) second-stage oil treatment: the protofilament is subjected to heat treatment to form finished filaments, the finished filaments are cooled by air and then enter a second-stage oiling agent oiling machine (namely a No. 2 oiling machine), the protofilament is immersed in an oiling agent, and continuous and stable oiling treatment is carried out at the oiling agent circulation rate of 13L/min;
E. winding: and (4) performing secondary oiling treatment on the heterocyclic aramid finished yarn, and then winding and forming the heterocyclic aramid finished yarn by using a winding machine.
In the step B, the first-stage oil agent is prepared from the following components in percentage by mass: 40% of isooctyl stearate, 30% of potassium alcohol phosphate (composed of compounds represented by the following formulas (1 e) and (2 e)), and polyethylene glycol monooleate C18H33O2.(C2H4O)2H20%, polyoxyethylene sorbitan monooleate 10%; adding the components into a mixer, stirring and mixing uniformly, and filtering to remove insoluble substances of the oil agent to obtain the oil agent; adding the oil agent into a dispersion machine, adding deionized water, stirring at a high speed and shearing, preparing into emulsion with the mass concentration of 4%, and adding into a No. 1 oiling machine for use.
Figure DEST_PATH_IMAGE013
In the step D, the second-stage oil agent is prepared from the following components in percentage by mass: 40% of laurylamine polyoxyethylene ether, 30% of sodium diisooctyl sulfosuccinate and 30% of polyoxyethylene ether sorbitan monooleate; adding the components into a mixer, stirring and mixing uniformly, and filtering to remove insoluble substances of the oil agent to obtain the oil agent; adding the oil agent into a dispersion machine, adding deionized water, stirring at a high speed and shearing to prepare an emulsion with the mass concentration of 1.5%, and adding the emulsion into a No. 2 oiling machine for use.
Example 9
As shown in fig. 1, a secondary oiling agent treatment method for heterocyclic aramid comprises the following steps:
A. filament releasing: unwinding the heterocyclic aramid precursor from a filament unwinding machine under the condition of 0.4cN/tex of tension, and uniformly unwinding the precursor from a yarn drum at the speed of 50 m/min;
B. first-stage oil treatment: the method comprises the following steps of (1) unwinding a heterocyclic aramid precursor from a filament unwinding machine, feeding the precursor into a first-stage oiling agent oiling machine (namely a No. 1 oiling machine), immersing the precursor into an oiling agent, and performing continuous and stable oiling treatment at the circulation volume of the oiling agent of 5L/min;
C. drying and heat treatment: drying the oiled raw silk for 0.3min at 175 ℃ by a dryer, and then feeding the raw silk into a heat treatment shaft (the temperature is 310 ℃, and the treatment time is 1 min) for heat setting treatment;
D. and (3) second-stage oil treatment: the protofilament is subjected to heat treatment to form finished filaments, the finished filaments are cooled by air and then enter a second-stage oiling agent oiling machine (namely a No. 2 oiling machine), the protofilament is immersed in an oiling agent, and continuous and stable oiling treatment is carried out at the oiling agent circulation rate of 6L/min;
E. winding: and (4) performing secondary oiling treatment on the heterocyclic aramid finished yarn, and then winding and forming the heterocyclic aramid finished yarn by using a winding machine.
In the step B, the first-stage oil agent is prepared from the following components in percentage by mass: 45% of isooctyl stearate, 25% of potassium n-hexadecyl phosphate (composed of compounds represented by the following formulas (2 f) and (3 f)), and polyethylene glycol monooleate C18H33O2.(C2H4O)1015% of H, 15% of polyoxyethylene sorbitan monooleate; adding the components into a mixer, stirring and mixing uniformly, and filtering to remove insoluble substances of the oil agent to obtain the oil agent; adding the oil solution into a dispersion machine, adding deionized water, and shearing by high-speed stirringAnd preparing an emulsion with the mass concentration of 2.5 percent, and adding the emulsion into a No. 1 oiling machine for use.
Figure DEST_PATH_IMAGE014
In the step D, the second-stage oil agent is prepared from the following components in percentage by mass: 45% of laurylamine polyoxyethylene ether, 35% of sodium diisooctyl sulfosuccinate and 20% of polyoxyethylene ether sorbitan monooleate; adding the components into a mixer, stirring and mixing uniformly, and filtering to remove insoluble substances of the oil agent to obtain the oil agent; adding the oil agent into a dispersion machine, adding deionized water, stirring at a high speed and shearing, preparing into emulsion with the mass concentration of 1%, and adding into a No. 2 oiling machine for use.
Example 10
As shown in fig. 1, a secondary oiling agent treatment method for heterocyclic aramid comprises the following steps:
A. filament releasing: unwinding the heterocyclic aramid precursor from a filament unwinding machine under the condition of 0.7cN/tex of tension, and uniformly unwinding the precursor from a yarn drum at the speed of 50 m/min;
B. first-stage oil treatment: the method comprises the following steps of (1) unwinding a heterocyclic aramid precursor from a filament unwinding machine, feeding the precursor into a first-stage oiling agent oiling machine (namely a No. 1 oiling machine), immersing the precursor into an oiling agent, and performing continuous and stable oiling treatment under the condition that the circulation amount of the oiling agent is 6L/min;
C. drying and heat treatment: drying the oiled raw silk for 0.3min at 175 ℃ by a dryer, and then feeding the raw silk into a heat treatment shaft (the temperature is 310 ℃, and the treatment time is 1 min) for heat setting treatment;
D. and (3) second-stage oil treatment: the protofilament is subjected to heat treatment to form finished filaments, the finished filaments are cooled by air and then enter a second-stage oiling agent oiling machine (namely a No. 2 oiling machine), the protofilament is immersed in an oiling agent, and continuous and stable oiling treatment is carried out at the oiling agent circulation rate of 6L/min;
E. winding: and (4) performing secondary oiling treatment on the heterocyclic aramid finished yarn, and then winding and forming the heterocyclic aramid finished yarn by using a winding machine.
In the step B, the first-stage oil agent is prepared from the following components in percentage by massPreparation: 40% of isooctyl stearate, 30% of n-eicosanol phosphate potassium salt (composed of compounds represented by the following formulae (2 g) and (3 g)), and polyethylene glycol monooleate C18H33O2.(C2H4O)3H22%, polyoxyethylene sorbitan monooleate 8%; adding the components into a mixer, stirring and mixing uniformly, and filtering to remove insoluble substances of the oil agent to obtain the oil agent; adding the oil agent into a dispersion machine, adding deionized water, stirring at a high speed and shearing, preparing into emulsion with the mass concentration of 3.5%, and adding into a No. 1 oiling machine for use.
Figure DEST_PATH_IMAGE015
In the step D, the second-stage oil agent is prepared from the following components in percentage by mass: 42% of laurylamine polyoxyethylene ether, 40% of sodium diisooctyl sulfosuccinate and 18% of polyoxyethylene ether sorbitan monooleate; adding the components into a mixer, stirring and mixing uniformly, and filtering to remove insoluble substances of the oil agent to obtain the oil agent; adding the oil agent into a dispersion machine, adding deionized water, stirring at a high speed and shearing, preparing into emulsion with the mass concentration of 2%, and adding into a No. 2 oiling machine for use.
Comparative example 1
On the basis of the example 1, the heterocyclic aramid fiber is only subjected to one-time oiling agent treatment, namely the step B in the example 1 is eliminated, and only the oiling agent treatment in the step D is reserved, and the specific steps are as follows:
A. filament releasing: unwinding the heterocyclic aramid precursor from a filament unwinding machine under the condition of 0.5cN/tex of tension, and uniformly unwinding the precursor from a yarn drum at the speed of 35 m/min;
B. drying and heat treatment: drying the heterocyclic aramid precursor at 160 ℃ for 0.5min by using a dryer, and then feeding the heterocyclic aramid precursor into a heat treatment channel (the temperature is 330 ℃ and the treatment time is 0.6 min) for heat setting treatment;
C. oil solution treatment: the protofilament is subjected to heat treatment to form finished filaments, the heterocyclic aramid finished filaments are cooled by air and then enter a second-stage oiling agent oiling machine (namely a No. 2 oiling machine), the protofilament is immersed in an oiling agent, and continuous and stable oiling treatment is carried out at the oiling agent circulation rate of 10L/min;
D. winding: and (4) oiling the finished heterocyclic aramid fiber yarn, and then winding the yarn by using a winding machine for forming.
In the step C, the oil agent is the same as the second-stage oil agent in the step D in the embodiment 1, and the concentration of the oil agent used in the oiling machine is the same as that in the embodiment 1.
Comparative example 2
On the basis of the example 1, the heterocyclic aramid fiber is only subjected to one-time oiling agent treatment, namely the step D in the example 1 is eliminated, and only the oiling agent treatment in the step B is reserved, and the specific steps are as follows:
A. filament releasing: unwinding the heterocyclic aramid precursor from a filament unwinding machine under the condition of 0.5cN/tex of tension, and uniformly unwinding the precursor from a yarn drum at the speed of 35 m/min;
B. first-stage oil treatment: the method comprises the following steps of (1) unwinding a heterocyclic aramid precursor from a filament unwinding machine, feeding the precursor into a first-stage oiling agent oiling machine (namely a No. 1 oiling machine), immersing the precursor into an oiling agent, and performing continuous and stable oiling treatment at the circulation volume of the oiling agent of 5L/min;
C. drying and heat treatment: drying the oiled raw silk for 0.5min at 160 ℃ by using a dryer, then feeding the raw silk into a heat treatment shaft (the temperature is 330 ℃, and the treatment time is 0.6 min) for heat setting treatment, and performing heat treatment on the raw silk to obtain finished silk;
D. winding: and (4) performing secondary oiling treatment on the heterocyclic aramid finished yarn, and then winding and forming the heterocyclic aramid finished yarn by using a winding machine.
In the step B, the oil agent is the same as the first-stage oil agent in the step B of the embodiment 1, and the concentration of the oil agent used in the oiling machine is the same as that in the embodiment 1.
Examples of the experiments
The heterocyclic aramid fibers treated in examples 1 to 10 and comparative examples 1 to 2 were subjected to fiber oiling rate, fiber strength, fuzz grade, fiber softness and fiber dispersibility according to the enterprise standard Q/91510132587572760 X.001-2018, and woven fabric performance according to GB/T3923.1-2013, and the test results are shown in Table 1.
Figure DEST_PATH_IMAGE017
From table 1 it can be seen that:
1) the fibers obtained by the treatment of examples 1 to 10 had an oiling rate of 0.5% to 1.7%; the fiber strength can reach 33.4 cN/dtex; the fiber broken filament grade, softness and dispersibility are excellent; the warp tensile strength of the woven fabric can reach 20.3KN/5cm, and the weft tensile strength can reach 21.5KN/5 cm.
2) The data of example 1 and comparative example 1 show that if the first stage finish treatment is eliminated, the resulting fiber strength is greatly reduced and the fiber fuzz rating, softness, and dispersibility are poor. The resulting woven fabric also had poor properties.
3) The data of example 1 and comparative example 2 show that if the second finish treatment is eliminated, the resulting fiber strength is excellent, but the woven fabric made from the fiber has poor properties. The heterocyclic aramid fiber has the characteristics of poor weaving performance and more loss of mechanical properties when being prepared into woven cloth, and the second-stage oil agent can effectively solve the problem of defects of the heterocyclic aramid fiber in the aspect.

Claims (10)

1. A secondary oil treatment method of heterocyclic aramid is characterized by comprising the following steps:
A. filament releasing: unwinding the heterocyclic aramid precursor from a filament unwinding machine under the condition that the tension is not less than 0.1cN/tex and not more than 1cN/tex, and uniformly unwinding the precursor from a yarn drum at the speed of 10-50 m/min;
B. first-stage oil treatment: the method comprises the following steps of (1) unwinding a heterocyclic aramid precursor from a filament unwinding machine, feeding the precursor into a first-stage oiling agent oiling machine, immersing the precursor into the oiling agent, and carrying out continuous and stable oiling treatment at the circulation volume of the oiling agent of 2-10L/min;
C. drying and heat treatment: drying the oiled raw silk, and then feeding the dried raw silk into a heat treatment channel for heat setting treatment;
D. and (3) second-stage oil treatment: the protofilament is subjected to heat treatment to form finished filaments, the finished filaments enter a second-stage oiling agent oiling machine after being cooled by air, the protofilament is immersed in an oiling agent, and continuous and stable oiling treatment is carried out at the circulation volume of the oiling agent of 5-25L/min;
E. winding: and (4) performing secondary oiling treatment on the heterocyclic aramid finished yarn, and then winding and forming the heterocyclic aramid finished yarn by using a winding machine.
2. The secondary oiling agent treatment method of heterocyclic aramid fiber according to claim 1, characterized in that: the heterocyclic aramid fiber is a ternary, quaternary or quinary copolymer fiber, and the molecular structure of the fiber contains basic chain unit units shown in the following formulas (I) and (II), wherein the formula (I) is a chain unit generated by the reaction of terephthaloyl chloride and p-phenylenediamine; the formula (II) is a chain link generated by the reaction of terephthaloyl chloride and 5(6) -amido-2- (4-aminophenyl) benzimidazole;
Figure 432919DEST_PATH_IMAGE001
。
3. the secondary oiling agent treatment method of heterocyclic aramid fiber according to claim 1, characterized in that: in the step B, the first-stage oil agent comprises the following components in percentage by mass:
(a) isooctyl stearate: 20 to 50 percent;
(b) potassium salt of fatty alcohol phosphate ester: 15% -40%;
(c) polyethylene glycol monooleate: 10% -30%;
(d) polyoxyethylene sorbitan monooleate: 5 to 15 percent.
4. The secondary oiling agent treatment method of heterocyclic aramid fiber according to claim 3, characterized in that: the potassium salt of fatty alcohol phosphate ester as the component (b) is a mixture containing any two or three of the compounds shown in the following formulas (1), (2) and (3),
Figure 450553DEST_PATH_IMAGE002
wherein R is C2～C20Alkyl group of (1).
5. The secondary oiling agent treatment method of heterocyclic aramid fiber according to claim 3, characterized in that: the polyethylene glycol monooleate CAS number of the component (c) is 9004-96-0, and the molecular formula is as follows: c18H33O2.(C2H4O) n.H, the molecular structural formula is as follows:
Figure 413961DEST_PATH_IMAGE003
wherein n represents the polymerization degree of polyethylene glycol, and n is more than or equal to 2 and less than or equal to 10.
6. The secondary oiling agent treatment method of heterocyclic aramid fiber according to claim 3, characterized in that: the first-stage oil agent is prepared by adding the components (a), (b), (c) and (d) into a mixer, uniformly stirring and mixing, and filtering to remove insoluble substances of the oil agent.
7. The secondary oiling agent treatment method of heterocyclic aramid fiber according to claim 6, characterized in that: when the first-stage oiling agent is used for oiling the heterocyclic aramid precursor, the first-stage oiling agent is added into a dispersion machine, deionized water is added, and the emulsion with the mass concentration of 0.1-5% is prepared for use through high-speed stirring and shearing.
8. The secondary oiling agent treatment method of heterocyclic aramid fiber according to claim 1, characterized in that: in the step D, the second-stage oil agent comprises the following components in percentage by mass: 30-60% of laurylamine polyoxyethylene ether, 20-50% of diisooctyl sulfosuccinate sodium and 10-30% of polyoxyethylene ether sorbitan monooleate.
9. The secondary oiling agent treatment method of heterocyclic aramid fiber according to claim 8, characterized in that: and the second-stage oil agent is prepared by adding laurylamine polyoxyethylene ether, sodium diisooctyl sulfosuccinate and polyoxyethylene ether sorbitan monooleate into a mixer, uniformly stirring and mixing, and filtering to remove insoluble substances of the oil agent.
10. The secondary oiling agent treatment method of heterocyclic aramid fiber according to claim 9, characterized in that: when the second-stage oil agent is used for oiling the finished heterocyclic aramid fiber, the second-stage oil agent is added into a dispersion machine, deionized water is added, and the mixture is stirred and sheared at a high speed to prepare emulsion with the mass concentration of 0.5-4% and then is used.
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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101519847A (en) * 2009-03-31 2009-09-02 中国石油化工集团公司 Short-fiber oil agent for aromatic polyamide fiber
CN101921395A (en) * 2010-02-10 2010-12-22 中蓝晨光化工研究院有限公司 High-performance heterocyclic aramid fiber as well as preparation and application thereof
JP2011174197A (en) * 2010-02-24 2011-09-08 Teijin Techno Products Ltd Aromatic polyamide staple fiber
JP2011174198A (en) * 2010-02-24 2011-09-08 Teijin Techno Products Ltd Aromatic polyamide staple fiber
CN102797152A (en) * 2012-08-15 2012-11-28 中蓝晨光化工研究设计院有限公司 Aramid fiber surface modification method
CN104947424A (en) * 2015-07-20 2015-09-30 中蓝晨光化工研究设计院有限公司 Aramid fiber oiling agent
CN105780158A (en) * 2016-04-05 2016-07-20 江苏恒通印染集团有限公司 Method for preparing high-modulus para-aramid fibers
CN106939512A (en) * 2017-04-21 2017-07-11 常州市奥普泰科光电有限公司 A kind of preparation method of terylene spinning finish
CN110565197A (en) * 2019-09-20 2019-12-13 株洲时代新材料科技股份有限公司 Preparation method of heterocyclic aramid 1313 fiber
CN110592707A (en) * 2019-09-20 2019-12-20 株洲时代新材料科技股份有限公司 A kind of preparation method of copolymerized modified aramid 1313 fiber
CN110923831A (en) * 2019-12-26 2020-03-27 四川辉腾科技股份有限公司 Oiling and drying device and process for heterocyclic aramid fiber

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101519847A (en) * 2009-03-31 2009-09-02 中国石油化工集团公司 Short-fiber oil agent for aromatic polyamide fiber
CN101921395A (en) * 2010-02-10 2010-12-22 中蓝晨光化工研究院有限公司 High-performance heterocyclic aramid fiber as well as preparation and application thereof
JP2011174197A (en) * 2010-02-24 2011-09-08 Teijin Techno Products Ltd Aromatic polyamide staple fiber
JP2011174198A (en) * 2010-02-24 2011-09-08 Teijin Techno Products Ltd Aromatic polyamide staple fiber
CN102797152A (en) * 2012-08-15 2012-11-28 中蓝晨光化工研究设计院有限公司 Aramid fiber surface modification method
CN104947424A (en) * 2015-07-20 2015-09-30 中蓝晨光化工研究设计院有限公司 Aramid fiber oiling agent
CN105780158A (en) * 2016-04-05 2016-07-20 江苏恒通印染集团有限公司 Method for preparing high-modulus para-aramid fibers
CN106939512A (en) * 2017-04-21 2017-07-11 常州市奥普泰科光电有限公司 A kind of preparation method of terylene spinning finish
CN110565197A (en) * 2019-09-20 2019-12-13 株洲时代新材料科技股份有限公司 Preparation method of heterocyclic aramid 1313 fiber
CN110592707A (en) * 2019-09-20 2019-12-20 株洲时代新材料科技股份有限公司 A kind of preparation method of copolymerized modified aramid 1313 fiber
CN110923831A (en) * 2019-12-26 2020-03-27 四川辉腾科技股份有限公司 Oiling and drying device and process for heterocyclic aramid fiber

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