CN108385185B - Stone needle health acrylic fiber - Google Patents
Stone needle health acrylic fiber Download PDFInfo
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- CN108385185B CN108385185B CN201810156331.2A CN201810156331A CN108385185B CN 108385185 B CN108385185 B CN 108385185B CN 201810156331 A CN201810156331 A CN 201810156331A CN 108385185 B CN108385185 B CN 108385185B
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/54—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polymers of unsaturated nitriles
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
- D01F11/04—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers
- D01F11/06—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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Abstract
The invention provides a stone needle health care acrylic fiber, and the preparation method comprises the steps of raw material selection, copolymerization spinning, post-treatment, water washing, oiling and shaping; the raw materials comprise: 65-68 parts of acrylonitrile, 2.5-3.1 parts of 2-methylene-1, 4-succinic acid, 7.2-7.7 parts of methyl methacrylate, 82-83 parts of methyl vinyl pyridine, 97-99 parts of zinc chloride, 23-24 parts of ethylene carbonate, 7.2-7.9 parts of stone needle particles, 3.3-3.6 parts of ephedrine, 27-30 parts of ethyl acetate and 35-37 parts of acetic acid, wherein the parts are all parts by mass. The acrylic fiber prepared by the invention has obvious health care function and good antibacterial property.
Description
Technical Field
The invention belongs to the field of textiles, and particularly relates to stone needle health acrylic fibers.
Background
The acrylic fiber has the performance similar to wool, has good elasticity, can still keep 65 percent of rebound rate when being stretched by 20 percent, is fluffy, curled and soft, has higher heat retention than wool by 15 percent, and is called synthetic wool. The strength of the wool is 22.1-48.5 cN/tex, which is 1-2.5 times higher than that of wool. The sun-proof performance is excellent, the strength is reduced by 20 percent only after the sun-proof cloth is exposed in the open for one year, and the sun-proof cloth can be made into curtains, tarpaulins, camisoles and the like. Can resist acid, oxidant and common organic solvent. The softening temperature of the fiber is 190-230 ℃.
Acrylic fiber is known as artificial wool. The fiber has the advantages of softness, bulkiness, bright color, light resistance and the like, can be spun purely or blended with natural fibers according to the requirements of different purposes, and the textile is widely applied to the fields of clothing, decoration, industry and the like.
The stone needle has the functions of soothing the nerves, regulating qi and blood and dredging the channels and collaterals, and is the top grade for processing and manufacturing medical appliances. The stone needle achieves some therapeutic and health-care effects through microcrystals, infrared rays and pulse wave bands. The pulse is a wave-walking type through the induction of friction heating, and the stone needle is not only simple to be applied as a simple scraping tool. The functions of stone needles are well known, but no report that the stone needles are used for preparing acrylic fibers and have the health-care function and the antibacterial property exists in the prior art.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a stone needle health acrylic fiber, which aims to realize the following purposes: the acrylic fiber prepared by the invention has obvious health care function and good antibacterial property.
The technical scheme adopted by the invention is as follows: a stone needle health care acrylic fiber, the preparation method comprises the following steps:
step 1 raw material selection
65-68 parts of acrylonitrile, 2.5-3.1 parts of 2-methylene-1, 4-succinic acid, 7.2-7.7 parts of methyl methacrylate, 82-83 parts of methyl vinyl pyridine, 97-99 parts of zinc chloride, 23-24 parts of ethylene carbonate, 7.2-7.9 parts of stone needle particles, 3.3-3.6 parts of ephedrine, 27-30 parts of ethyl acetate and 35-37 parts of acetic acid, wherein the parts are all parts by mass;
the stone needle particles are as follows: the SiBian stone particle with the particle size of 80-90nm, the SiBian stone particle with the particle size of 91-100nm and the SiBian stone particle with the particle size of 105-120nm are prepared according to the proportion of 3: 1: 3 in a mass ratio;
the ephedrine is as follows: the purity is 85%, the fineness is 400 meshes, and the content of copper oxide is 0.05%.
Step 2, copolymerization spinning
Adding acrylonitrile, 2-methylene-1, 4-succinic acid (3), methyl methacrylate (2) and zinc chloride into a copolymerization reaction kettle, wherein the reaction temperature is 150-152 ℃, the reaction time is 7-7.5 hours, after the reaction is finished, cooling to 30-35 ℃, adding ethylene carbonate, stirring for 50-60min at the speed of 800rpm to form a spinning stock solution, heating the spinning stock solution to 97 ℃, extruding the spinning stock solution from holes of a spinneret plate, enabling the cross section of the holes of the spinneret plate to be an equilateral triangle, enabling the extrusion temperature to be 104 ℃, then enabling the spinning stock solution to enter a coagulation bath, enabling the temperature of the coagulation bath to be 45-48 ℃, enabling the concentration of methyl vinyl pyridine in the coagulation bath to be 63-65%, and enabling the circulation amount to be 52-55 kL/h; the nascent fiber is formed via double diffusion in a coagulation bath.
Step 3, post-treatment
Mixing stone needle particles, ephedrine, ethyl acetate and acetic acid, heating to 80 deg.C, and keeping the temperature for 5-8min to obtain a post-treatment solution;
soaking the nascent fiber in the post-treatment liquid, starting ultrasonic treatment, controlling the ultrasonic frequency to be 120000-140000Hz, controlling the temperature to be 78-80 ℃, keeping the temperature for 20min, then heating the nascent fiber to 88 ℃ at the speed of 1 ℃/min, and keeping the temperature for 30min, and then putting the obtained nascent fiber into a water washing process.
Step 4 Water washing
Drafting the fibers by a drafting machine to form fiber tows, wherein the drafting multiple is 2 times; the fiber tows enter high-temperature water washing, the water washing temperature is 92-94 ℃, the water washing flow is 3500-3700L/h, and the water washing time is 20 min; then the mixture enters low-temperature water washing, the water washing temperature is 31-33 ℃, the water washing flow is 3200-.
Step 5 applying oil
Drying the washed fiber tows for 1.5h at the temperature of 45 ℃, and then spraying an oiling agent on the fiber tows; the oil agent is sorbitan fatty acid ester, epoxidized soybean oil, glyceryl palmitate and sucrose fatty acid ester according to the mass ratio of 7-7.5: 3-3.5: 0.8-1.1: 15-16.5, and the addition amount of the oiling agent is 0.47-0.48% of the total amount of the fiber tows.
Step 6 shaping
Drying the oiled fiber tows at 87 ℃ by a hot roller, curling the dried fiber tows at 9 ℃ by a cooling roller, wherein the curling speed is controlled at 5100-5200 m/min, and the yarn tension is controlled at 0.07 cN/dtex; the curled fiber is sent into a shaping device, and shaping is carried out for 2-2.5h under the conditions of 82-84 ℃ and 200-220KPa, so as to obtain the antibacterial health acrylic fiber.
Compared with the prior art, the invention has the following beneficial effects:
(1) the inhibition rate of the acrylic fiber escherichia coli prepared by the invention is 96.78-99.23%, the inhibition rate of the staphylococcus aureus is 98.22-99.05%, and the inhibition rate of the fungus is 94.48-95.56%.
(2) The acrylic fiber prepared by the invention has obvious far infrared function, the far infrared frequency reaches 12-18 microns, and the hypertension, dizziness and headache are effectively relieved.
(3) The acrylic fiber prepared by the invention has obvious lasting antibacterial property; the acrylic fiber prepared by the invention is subjected to 20000 times of rubbing lotion, the inhibition rate of escherichia coli is more than 95%, the inhibition rate of staphylococcus is more than 96%, and the inhibition rate of fungi is 92%.
(4) The titer of the acrylic fiber prepared by the invention is 2.23-2.45dtex, the breaking strength is 7.74-8.58Cn/dtex, the hand feeling is soft and smooth, the fluffiness is good, and the acrylic fiber is not pilling after being kneaded;
(5) the acrylic fiber prepared by the invention has obvious alkali resistance; the acrylic fiber prepared by the invention has obvious wear resistance; the acrylic fiber prepared by the invention can still reach the following indexes after 20000 times of rubbing and washing agents: the breaking strength is more than 4.5 Cn/dtex.
Detailed Description
Embodiment 1, a stone needle health care acrylic fiber, the preparation method comprises the following steps:
step 1 raw material selection
65 parts of acrylonitrile, 2.5 parts of 2-methylene-1, 4-succinic acid, 7.2 parts of methyl methacrylate, 82 parts of methyl vinyl pyridine, 97 parts of zinc chloride, 23 parts of ethylene carbonate, 7.2 parts of stone needle particles, 3.3 parts of ephedrine, 27 parts of ethyl acetate and 35 parts of acetic acid, wherein the parts are all parts by mass;
the stone needle particles are as follows: the SiBian stone particle with the particle size of 80-90nm, the SiBian stone particle with the particle size of 91-100nm and the SiBian stone particle with the particle size of 105-120nm are prepared according to the proportion of 3: 1: 3 in a mass ratio;
the ephedrine is as follows: the purity is 85%, the fineness is 400 meshes, and the content of copper oxide is 0.05%.
Step 2 copolymerization spinning
Adding acrylonitrile, 2-methylene-1, 4-succinic acid, methyl methacrylate and zinc chloride into a copolymerization reaction kettle, wherein the reaction temperature is 150 ℃, the reaction time is 7.5 hours, after the reaction is finished, cooling to 30-35 ℃, adding ethylene carbonate, stirring for 50min at the speed of 800rpm to form a spinning stock solution, heating the spinning stock solution to 97 ℃, extruding the spinning stock solution from holes of a spinneret plate, wherein the cross section of each hole of the spinneret plate is an equilateral triangle, the extrusion temperature is 104 ℃, then feeding the spinning stock solution into a coagulation bath, the temperature of the coagulation bath is 45 ℃, the concentration of methyl vinyl pyridine in the coagulation bath is 63%, and the circulation amount is 52 kL/h; the nascent fiber is formed via double diffusion in a coagulation bath.
Step 3, post-treatment
Mixing stone needle particles, ephedrine, ethyl acetate and acetic acid, heating to 80 deg.C, and keeping the temperature for 5min to obtain a post-treatment solution;
soaking the nascent fiber in the post-treatment liquid, starting ultrasonic treatment, controlling the ultrasonic frequency to be 120000Hz and the temperature to be 78 ℃, keeping the temperature for 20min, then heating the nascent fiber to 88 ℃ at the speed of 1 ℃/min, and keeping the temperature for 30min, and then putting the obtained nascent fiber into a water washing process.
Step 4, washing with water
Drafting the fibers by a drafting machine to form fiber tows, wherein the drafting multiple is 2 times; the fiber tows enter high-temperature water washing, the water washing temperature is 92 ℃, the water washing flow is 3500L/h, and the water washing time is 20 min; then the mixture enters low-temperature water washing, the water washing temperature is 31 ℃, the water washing flow is 3200L/h, and the water washing time is 30 min.
Step 5, oiling
Drying the washed fiber tows for 1.5h at the temperature of 45 ℃, and then spraying an oiling agent on the fiber tows; the oil agent is sorbitan fatty acid ester, epoxidized soybean oil, glyceryl palmitate and sucrose fatty acid ester in a mass ratio of 7: 3: 0.8: 15, the addition amount of the oiling agent is 0.47 percent of the total amount of the fiber tows.
Step 6, shaping
Drying the oiled fiber tows at 87 ℃ by a hot roller, curling the dried fiber tows at 9 ℃ by a cooling roller, wherein the curling speed is controlled at 5100-5200 m/min, and the yarn tension is controlled at 0.07 cN/dtex; and (3) feeding the curled fibers into a shaping device, and shaping for 2h under the conditions of 82 ℃ and 200KPa to obtain the stone needle health acrylic fibers.
Embodiment 2 a stone needle health care acrylic fiber, the preparation method of which comprises the following steps:
step 1 raw material selection
67 parts of acrylonitrile, 2.8 parts of 2-methylene-1, 4-butanedioic acid, 7.5 parts of methyl methacrylate, 82.5 parts of methyl vinyl pyridine, 98 parts of zinc chloride, 23.5 parts of ethylene carbonate, 7.5 parts of stone needle particles, 3.5 parts of ephedrine, 28.5 parts of ethyl acetate and 36 parts of acetic acid, wherein the parts are all parts by mass;
the stone needle particles are as follows: the SiBian stone particle with the particle size of 80-90nm, the SiBian stone particle with the particle size of 91-100nm and the SiBian stone particle with the particle size of 105-120nm are prepared according to the proportion of 3: 1: 3 in a mass ratio;
the ephedrine is as follows: the purity is 85%, the fineness is 400 meshes, and the content of copper oxide is 0.05%.
Step 2 copolymerization spinning
Adding acrylonitrile, 2-methylene-1, 4-succinic acid, methyl methacrylate and zinc chloride into a copolymerization reaction kettle, wherein the reaction temperature is 151 ℃, the reaction time is 7 hours, after the reaction is finished, cooling to 30-35 ℃, adding ethylene carbonate, stirring for 55min at the speed of 800rpm to form a spinning stock solution, heating the spinning stock solution to 97 ℃, extruding the spinning stock solution from holes of a spinneret plate, wherein the cross section of each hole of the spinneret plate is an equilateral triangle, the extrusion temperature is 104 ℃, then feeding the spinning stock solution into a coagulation bath, the coagulation bath temperature is 47 ℃, the concentration of methyl vinyl pyridine in the coagulation bath is 64%, and the circulation amount is 54 kL/h; the nascent fiber is formed via double diffusion in a coagulation bath.
Step 3, post-treatment
Mixing stone needle particles, ephedrine, ethyl acetate and acetic acid, heating to 80 deg.C, and keeping the temperature for 6min to obtain a post-treatment solution;
soaking the nascent fiber in the post-treatment liquid, starting ultrasonic treatment, controlling the ultrasonic frequency to be 130000Hz and the temperature to be 79 ℃, keeping the temperature for 20min, then heating the nascent fiber to 88 ℃ at the speed of 1 ℃/min, and keeping the temperature for 30min, and then putting the obtained nascent fiber into a water washing process.
Step 4 Water washing
Drafting the fibers by a drafting machine to form fiber tows, wherein the drafting multiple is 2 times; the fiber tows enter high-temperature water washing, the water washing temperature is 93 ℃, the water washing flow is 3600L/h, and the water washing time is 20 min; then the mixture enters low-temperature water washing, the water washing temperature is 32 ℃, the water washing flow is 3300L/h, and the water washing time is 30 min.
Step 5 applying oil
Drying the washed fiber tows for 1.5h at the temperature of 45 ℃, and then spraying an oiling agent on the fiber tows; the oil agent is sorbitan fatty acid ester, epoxidized soybean oil, glyceryl palmitate and sucrose fatty acid ester according to the mass ratio of 7.3: 3.2: 0.9: 16, the addition amount of the oiling agent is 0.48 percent of the total amount of the fiber tows.
Step 6 shaping
Drying the oiled fiber tows at 87 ℃ by a hot roller, curling the dried fiber tows at 9 ℃ by a cooling roller, wherein the curling speed is controlled at 5100-5200 m/min, and the yarn tension is controlled at 0.07 cN/dtex; and (3) feeding the curled fibers into a shaping device, and shaping for 2h under the conditions of 83 ℃ and 210KPa to obtain the stone needle health acrylic fibers.
Embodiment 3 a stone needle health care acrylic fiber, the preparation method of which comprises the following steps:
step 1, raw material selection
68 parts of acrylonitrile, 3.1 parts of 2-methylene-1, 4-succinic acid, 7.7 parts of methyl methacrylate, 83 parts of methyl vinyl pyridine, 99 parts of zinc chloride, 24 parts of ethylene carbonate, 7.9 parts of stone needle particles, 3.6 parts of ephedrine, 30 parts of ethyl acetate and 37 parts of acetic acid, wherein the parts are all parts by mass;
the stone needle particles are as follows: the SiBian stone particle with the particle size of 80-90nm, the SiBian stone particle with the particle size of 91-100nm and the SiBian stone particle with the particle size of 105-120nm are prepared according to the proportion of 3: 1: 3 in a mass ratio;
the ephedrine is as follows: the purity is 85%, the fineness is 400 meshes, and the content of copper oxide is 0.05%.
Step 2, copolymerization spinning
Adding acrylonitrile, 2-methylene-1, 4-succinic acid, methyl methacrylate and zinc chloride into a copolymerization reaction kettle, wherein the reaction temperature is 152 ℃, the reaction time is 7.5 hours, after the reaction is finished, cooling to 30-35 ℃, adding ethylene carbonate, stirring for 60 minutes at the speed of 800rpm to form a spinning stock solution, heating the spinning stock solution to 97 ℃, extruding the spinning stock solution from holes of a spinneret plate, wherein the cross section of each hole of the spinneret plate is an equilateral triangle, the extrusion temperature is 104 ℃, then feeding the spinning stock solution into a coagulation bath, the temperature of the coagulation bath is 48 ℃, the concentration of methyl vinyl pyridine in the coagulation bath is 65%, and the circulation amount is 55 kL/h; the nascent fiber is formed via double diffusion in a coagulation bath.
Step 3, post-treatment
Mixing stone needle particles, ephedrine, ethyl acetate and acetic acid, heating to 80 deg.C, and keeping the temperature for 8min to obtain a post-treatment solution;
soaking the nascent fiber in the post-treatment liquid, starting ultrasonic treatment, controlling the ultrasonic frequency to be 140000Hz and the temperature to be 80 ℃, keeping the temperature for 20min, then heating the nascent fiber to 88 ℃ at the speed of 1 ℃/min, and keeping the temperature for 30min, and then putting the obtained nascent fiber into a water washing process.
Step 4 Water washing
Drafting the fibers by a drafting machine to form fiber tows, wherein the drafting multiple is 2 times; the fiber tows enter high-temperature water washing, the water washing temperature is 94 ℃, the water washing flow is 3700L/h, and the water washing time is 20 min; then the mixture enters low-temperature water washing, the water washing temperature is 33 ℃, the water washing flow is 3300L/h, and the water washing time is 30 min.
Step 5 applying oil
Drying the washed fiber tows for 1.5h at the temperature of 45 ℃, and then spraying an oiling agent on the fiber tows; the oil agent is sorbitan fatty acid ester, epoxidized soybean oil, glyceryl palmitate and sucrose fatty acid ester according to the mass ratio of 7.5: 3.5: 1.1: 16.5, the addition amount of the oiling agent in the compound is 0.48 percent of the total amount of the fiber tows.
Step 6 shaping
Drying the oiled fiber tows at 87 ℃ by a hot roller, curling the dried fiber tows at 9 ℃ by a cooling roller, wherein the curling speed is controlled at 5100-5200 m/min, and the yarn tension is controlled at 0.07 cN/dtex; and (3) feeding the curled fibers into a shaping device, and shaping for 2.5h under the conditions of 84 ℃ and 220KPa to obtain the stone needle health acrylic fibers.
The acrylic fiber prepared by the invention has obvious health care function after being treated by stone needle aftertreatment liquid, and the tracking statistical result shows that after 200 volunteers with hypertension, 100 volunteers with dizziness and 100 volunteers with headache wear the fabric woven by the fiber of the invention for 2 months: the acrylic fiber has the significant efficiency of 94 percent on hypertension and the significant efficiency of more than 98 percent on dizziness and headache; the acrylic fiber of the invention has the significant efficiency of 90 percent for hypertension and the significant efficiency of more than 93 percent for dizziness and headache after 20000 times of lotion.
Through detection, the conventional technical indexes of the acrylic fibers prepared in the examples 1 to 3 are shown in the following table:
the acrylic fiber prepared by the invention is soaked in alkaline liquid with the temperature of 35 ℃ and the pH value of 8.8 for 24 hours, the breaking strength is detected again, the strength loss rate is 0.7-0.75%, and the acrylic fiber prepared by the invention has obvious alkali resistance;
the acrylic fiber prepared by the invention can still reach the following indexes after 20000 times of rubbing and washing agents: the breaking strength is more than 4.5Cn/dtex, the inhibition rate of escherichia coli is more than 95%, the inhibition rate of staphylococcus aureus is more than 96%, and the inhibition rate of fungi is 92%; the acrylic fiber of the invention has obvious wear resistance and lasting antibacterial property.
Except for special description, the percentages are mass percentages, and the ratios are mass ratios.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (1)
1. A stone needle health care acrylic fiber is characterized in that: the preparation method of the fiber comprises the steps of raw material selection, copolymerization spinning, post-treatment, water washing, oiling and sizing;
the raw materials are as follows: 65-68 parts of acrylonitrile, 2.5-3.1 parts of 2-methylene-1, 4-succinic acid, 7.2-7.7 parts of methyl methacrylate, 82-83 parts of methyl vinyl pyridine, 97-99 parts of zinc chloride, 23-24 parts of ethylene carbonate, 7.2-7.9 parts of stone needle particles, 3.3-3.6 parts of ephedrine, 27-30 parts of ethyl acetate and 35-37 parts of acetic acid, wherein the parts are all parts by mass; the ephedrine is as follows: the purity is 85%, the fineness is 400 meshes, and the content of copper oxide is 0.05%;
the stone needle particles are as follows: the SiBian stone particle with the particle size of 80-90nm, the SiBian stone particle with the particle size of 91-100nm and the SiBian stone particle with the particle size of 105-120nm are prepared according to the proportion of 3: 1: 3 in a mass ratio;
the copolymerization spinning comprises the following steps: adding acrylonitrile, 2-methylene-1, 4-succinic acid, methyl methacrylate and zinc chloride into a copolymerization reaction kettle for copolymerization reaction at the temperature of 150 ℃ and 152 ℃ for 7-7.5 hours; after the copolymerization reaction is finished, cooling to 30-35 ℃, adding ethylene carbonate, and stirring at the speed of 800-900rpm for 50-60min to form a spinning solution; heating the spinning solution to 97-98 ℃, extruding the spinning solution from holes of a spinneret plate, wherein the cross section of each hole of the spinneret plate is an equilateral triangle, the extrusion temperature is 102-104 ℃, and then entering a coagulation bath, wherein the temperature of the coagulation bath is 45-48 ℃, the concentration of the methyl vinyl pyridine in the coagulation bath is 63-65%, and the circulation amount is 52-55 kL/h; forming nascent fibers by double diffusion in a coagulation bath;
the post-treatment comprises the following steps: soaking the nascent fiber in the post-treatment liquid, starting ultrasonic treatment, controlling the ultrasonic frequency to be 120000-140000Hz, controlling the temperature to be 78-80 ℃, keeping the temperature for 20min, then heating the temperature to 88 ℃ at the speed of 1 ℃/min, and keeping the temperature for 30 min; the post-treatment liquid: mixing stone needle particles, ephedrine, ethyl acetate and acetic acid, heating to 80 deg.C, and keeping the temperature for 5-8min to obtain a post-treatment solution;
and (3) washing: drafting the post-treated fiber by using a drafting machine to form fiber tows, wherein the drafting multiple is 2 times; the fiber tows enter high-temperature water washing, the water washing temperature is 92-94 ℃, the water washing flow is 3500-3700L/h, and the water washing time is 20 min; then, low-temperature water washing is carried out, the water washing temperature is 31-33 ℃, the water washing flow is 3200-;
oiling: drying the washed fiber tows for 1.5h at the temperature of 45 ℃, and then spraying an oiling agent on the fiber tows; the addition amount of the oil agent is 0.47-0.48% of the total amount of the fiber tows; the oil agent is composed of sorbitan fatty acid ester, epoxidized soybean oil, palmitic acid glyceride and sucrose fatty acid ester according to the mass ratio of 7-7.5: 3-3.5: 0.8-1.1: 15-16.5 of the compound;
the shaping: drying the oiled fiber tows at 87 ℃ by a hot roller, curling the dried fiber tows at 9 ℃ by a cooling roller, wherein the curling speed is controlled at 5100-5200 m/min, and the yarn tension is controlled at 0.07 cN/dtex; the crimped fiber is sent into a setting device to be set for 2-2.5h under the conditions of 82-84 ℃ and 200-220 KPa.
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| CN201810156331.2A CN108385185B (en) | 2018-02-24 | 2018-02-24 | Stone needle health acrylic fiber |
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| CN107287682A (en) * | 2017-07-07 | 2017-10-24 | 山东圣泉新材料股份有限公司 | A kind of stone needle composite fibre of graphene-containing and its preparation method and application |
| CN107419351A (en) * | 2017-07-27 | 2017-12-01 | 合肥远科服装设计有限公司 | A kind of preparation technology of acrylic fiber |
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2018
- 2018-02-24 CN CN201810156331.2A patent/CN108385185B/en active Active
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| CN101270501A (en) * | 2008-04-02 | 2008-09-24 | 浙江杭州湾腈纶有限公司 | Method for preparing acrylic fibre with wet-process |
| CN102586923A (en) * | 2011-12-30 | 2012-07-18 | 天津市赛远保健品有限公司 | Stone needle functional fibers and processing technology thereof |
| CN105970327A (en) * | 2016-07-19 | 2016-09-28 | 青岛百草纤维科技股份有限公司 | Stone needle-containing healthcare regenerated cellulose fiber and preparation method thereof |
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