WO2021227852A1 - 一种基于petg的快速成型假发纤维及其制备工艺 - Google Patents

一种基于petg的快速成型假发纤维及其制备工艺 Download PDF

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Publication number
WO2021227852A1
WO2021227852A1 PCT/CN2021/089768 CN2021089768W WO2021227852A1 WO 2021227852 A1 WO2021227852 A1 WO 2021227852A1 CN 2021089768 W CN2021089768 W CN 2021089768W WO 2021227852 A1 WO2021227852 A1 WO 2021227852A1
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petg
vertical
horizontal
fiber
rapid prototyping
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PCT/CN2021/089768
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English (en)
French (fr)
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朱文统
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许昌鸿洋生化实业发展有限公司
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D01D5/098—Melt spinning methods with simultaneous stretching
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/02—Heat treatment
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D01D5/096—Humidity control, or oiling, of filaments, threads or the like, leaving the spinnerettes
    • 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
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/07—Addition of substances to the spinning solution or to the melt for making fire- or flame-proof filaments
    • 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
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/10—Other agents for modifying properties
    • D01F1/103—Agents inhibiting growth of microorganisms
    • 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
    • D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/13—Physical properties anti-allergenic or anti-bacterial
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2503/00—Domestic or personal
    • D10B2503/08—Wigs

Definitions

  • the invention relates to the technical field of artificial wigs, in particular to a rapid prototyping wig fiber based on PETG and a preparation process thereof.
  • wigs have become a necessary accessory for people to pursue individualization, and at the same time provide convenience for some people in need, and with the development of cultural industries such as film and television, drama, cosplay, etc. ,
  • the demand for wigs is also increasing day by day, and the market prospects for wigs are broad.
  • wig fibers are made of synthetic fiber.
  • the commonly used raw materials for preparing wigs are PVC, PP, PET, and PBT.
  • This kind of wig fiber has poor stability to light and heat during production and use, has limited mechanical strength and flexibility, and has a narrow processing range, and most of the processes must be crimped and formed under cooling conditions, and the processing technology is complicated.
  • PETG polyethylene terephthalate-1,4-cyclohexanedimethanol
  • PETG wig fiber has outstanding toughness, high impact strength, excellent thermoforming performance, excellent weather resistance and chemical resistance, good viscosity and transparency, high gloss and easy dyeing, and has many advantages such as environmental protection advantages.
  • PETG wig fiber as the raw material and improving the processing technology, it is expected to overcome the disadvantages of traditional technology such as raw materials that are not friendly to the environment, difficult to process and shape, low product toughness, and complex processing technology.
  • adding certain antibacterial agents and flame retardants can effectively improve the safety performance and health effects of the product, and is more conducive to better use by people.
  • the nascent fiber needs to be stretched after the oil roller is oiled. On the one hand, it is to filter out the oil, and on the other hand, it is re-stretched to make it Meet the predetermined quality requirements, but in the stretching process, the silk fibers are too long due to the looseness of the silk fibers, which is easy to cause the uneven stretching of the silk fibers and the phenomenon of easy knotting, and it needs to be adjusted for different silk fibers.
  • Strength of stretching The current way of stretching silk fibers in the market is more traditional. Stretching them through two pressing rollers cannot achieve the tension of the silk fibers, which often results in knots and uneven stretching.
  • the knotting of silk fibers may cause chemical fiber breakage during stretching, which affects the quality of silk fibers.
  • the knots When the knots are severe, it is necessary to stop the thread to adjust the knotted silk fibers, which affects the production efficiency of wig fibers;
  • the silk fiber needs to adjust the gap between the pressure rollers.
  • the traditional pressure roller cannot adjust the gap between the pressure rollers, resulting in uneven drafting and squeezing of the wig fiber, which affects the quality of the wig fiber.
  • the present invention provides a rapid prototyping wig fiber based on PETG and its preparation process.
  • the scheme adopted by the present invention is as follows:
  • a rapid prototyping wig fiber based on PETG including the following components in weight ratio: PETG 65-95%, flame retardant 2.8-15%, antibacterial agent 1.4-9%, coloring agent 0.2-3%, additive 0.4-5 %, dispersant 0.2-3.
  • the PEGT is one or more of PETG-A, PETG-B, PETG-C, and PETG-D with an intrinsic viscosity of 0.7-1.1 .
  • the flame retardant is brominated epoxy resin, polysilicoboroxane, resorcinol bis(diphenyl phosphate), melamine: polymer One or more of phosphate (weight ratio 1:1).
  • the antibacterial agent is silver nano antibacterial agent: chitooligosaccharide: ammonium dihydrogen phosphate: ethyl paraben weight ratio 2-6:1-3: 4-6:0.2-1.
  • the coloring agent is toner, pigment, and color masterbatch to choose different colors according to customer requirements.
  • the additive is one or more of nano calcium carbonate, silicon dioxide, talc, silicon powder, titanium dioxide, and glass beads.
  • the dispersant is one of ethylene bisstearic acid amide and barium stearate.
  • a preparation process of rapid prototyping wig fiber based on PEGT includes the following steps:
  • step (1) (2) pulverize the dried raw material in step (1), the particle size of the pulverized raw material is 200-300 mesh, and the pulverized raw material is poured into a dry powder granulator for granulation to obtain a raw material masterbatch;
  • the spinneret has a hole diameter of 0.1-0.8mm, and the extruder temperature is 180-300°C;
  • the nascent fiber is oiled by the oil roller, and the nascent fiber after the oiling treatment is drawn by the low-temperature yarn drafting device on the hair chemical fiber production line. After the drafting is completed, the tow is obtained, and the filament The bundle is collected to obtain a fiber yarn roll, the drawing temperature during the drawing process is 90-150°C, and the spinning speed is 400m/min-1200m/min;
  • the length of the heat setting box is 2-18 meters
  • the work of the heat setting box The temperature is 110-250°C
  • the feeding speed of the tow is 15m/min-35m/min
  • the residence time of the tow in the heat setting box is 3-25 minutes;
  • the PETG-based rapid prototyping wig fiber can be obtained by winding and packaging through a winding machine.
  • the oiling agent used for oiling in the step (5) is polyether polymer, fatty acid polymer, organic amine salt compound, One or more of organosilicon;
  • the number of rollers of the drafting machine is 5-12 rollers, and the draft ratio is 1.2-4.5 times.
  • the low-temperature wire drafting device for the hair chemical fiber production line includes a support mechanism, which includes a bottom plate, a vertical support, Inclined brackets, beams, struts, storage boxes, motors, driving wheels, vertical brackets are arranged vertically on the upper surface of the bottom plate, inclined brackets are arranged on the left end of the bottom plate, beams are arranged on the upper ends of the inclined brackets and vertical brackets, and bracings are arranged between the beams
  • the upper surface of the bottom plate is provided with a motor, and the output end of the motor is provided with a driving wheel; the upper surface of the right part of the beam is provided with a vertical drafting mechanism, the upper surface of the left part of the beam is provided with a horizontal drafting mechanism, A first tensioning mechanism is provided, and a second tensioning mechanism is provided on the middle strut.
  • the second tensioning mechanism has the
  • the vertical drafting mechanism includes a vertical plate, an oil tank, a vertical driving roller, a vertical driven roller, a vertical driving roller, a vertical driven roller, a vertical driving bearing, a vertical driven bearing, and a second follower.
  • Moving wheels, vertical sliding plates, vertical sliding grooves, vertical lifting shafts, vertical handles, vertical bearings, rectangular holes are provided on the upper part of the vertical plate, and vertical sliding grooves are provided on the vertical plates on the left and right sides of the rectangular hole.
  • a vertical sliding board is arranged between the sliding grooves, and the vertical sliding board can slide up and down in the vertical sliding groove; a vertical lifting shaft is arranged in the middle of the upper end surface of the vertical sliding board, and a vertical bearing is passed between the vertical lifting shaft and the vertical sliding board Connection: the vertical lifting shaft penetrates through the upper part of the vertical plate and is connected with the vertical plate through threaded connection. The upper end of the vertical lifting shaft is fixedly connected with a vertical handle; the oil groove is located in the lower part between the vertical plates, and the vertical active roller is located directly above the oil groove.
  • the vertical driving shaft is connected to the middle of the vertical driving roller, the vertical driving shaft and the vertical plate are connected by a vertical driving bearing, the front end of the vertical driving shaft is connected with a second driven wheel; the vertical driven roller is located on the vertical driving roller Right above, a vertical driven shaft is connected to the middle of the vertical driven roller, and the vertical driven shaft and the vertical sliding plate are connected by a vertical driven bearing.
  • the horizontal drafting mechanism includes a horizontal plate, a horizontal driving roller, a horizontal driven roller, a horizontal driving roller shaft, a horizontal driven roller shaft, a horizontal driving bearing, a horizontal driven bearing, a first driven wheel, Horizontal slides, horizontal slides, horizontal screw shafts, horizontal handles, horizontal bearings, a rectangular hole is opened at one end of the horizontal plate away from the vertical drafting mechanism, and horizontal slides are provided on the horizontal plates on the upper and lower sides of the rectangular hole.
  • a horizontal sliding plate between the horizontal sliding groove, and the horizontal sliding plate can slide left and right in the horizontal sliding groove;
  • a horizontal screw shaft is arranged in the middle of the right end of the horizontal sliding plate, between the horizontal screw shaft and the horizontal sliding plate Connected by a horizontal bearing, the horizontal screw shaft penetrates the right part of the horizontal plate and is threadedly connected to the horizontal plate.
  • the right end of the horizontal screw shaft is fixedly connected with a horizontal handle;
  • the horizontal active roller is located between the left part of the horizontal plate ,
  • the middle of the horizontal driving roller is connected with a horizontal driving shaft, the horizontal driving shaft and the horizontal plate are connected by a horizontal driving bearing,
  • the front end of the horizontal driving shaft is connected with a first driven wheel,
  • the first driven wheel is provided with two wheel grooves,
  • the outer wheel groove and the driving wheel are connected by a belt, and the inner wheel groove and the second driven wheel are connected by a belt;
  • the horizontal driven roller is located to the right of the horizontal driving roller, and the middle of the horizontal driven roller is connected with a horizontal follower.
  • the moving shaft, the horizontal driven shaft and the horizontal sliding plate are connected by a horizontal driven bearing.
  • the first tensioning mechanism includes a vertical rod, a spring seat, a spring, a lug plate, a rotating shaft, a pulley, a pulley bearing, and a pulley shaft.
  • the lower part of the vertical rod is fixedly connected to the support rod.
  • the upper part is provided with an ear plate, the ear plate and the vertical rod are movably connected by a rotating shaft, the ear plate can be relatively rotated around the rotating shaft, a spring is connected between the ear plate and the spring seat, the upper part of the ear plate is provided with a pulley, and the pulley and the pulley shaft pass through the pulley
  • the bearing is connected, and the pulley shaft is fixedly connected with the lug plate.
  • the present invention first uses PETG polyester resin with different characteristic indexes as the raw material for preparing wigs, and utilizes the higher toughness and mechanical strength of PEGT, the characteristics of easy thermal processing and molding, excellent weather resistance and chemical resistance, better viscosity, With many advantages such as high gloss and easy dyeing, the PETG-based rapid prototyping wig fiber prepared has many characteristics such as high transparency, good gloss, easy dyeing, strong toughness, environmental friendliness, and excellent processing and molding properties.
  • the flame retardant added is compounded by a variety of flame retardants, polysilicoboroxane, resorcinol bis(diphenyl phosphate), and melamine: polyphosphate belongs to silicone, phosphorus, and nitrogen flame retardants It has the characteristics of environmental friendliness, small addition amount, and high flame retardant performance.
  • the addition of this type of flame retardant significantly reduces the addition amount of brominated epoxy resin and reduces the toxicity of combustion products.
  • the combined use of multiple flame retardants can Significantly improve the limitations of using a single flame retardant, and increase the flame retardant coefficient of PETG wig fiber.
  • antibacterial agents including nano-silver antibacterial agent, chitosan oligosaccharide, ethyl paraben, and diammonium hydrogen phosphate are added in a reasonable proportion to achieve good antibacterial effect, and have a higher effect on Staphylococcus aureus, Escherichia coli and Epidermophyton The antibacterial rate.
  • the low-temperature wire drafting device for hair chemical fiber production line controls the start and stop of the motor through the controller when in use, and passes the hair chemical fiber through the first tensioning mechanism.
  • the pulley is provided with a groove, and the hair chemical fiber is located on the pulley. In the groove, when the hair-use chemical fiber is tight, the pulley will rotate around the shaft, and the spring will be stretched at this time.
  • the vertical driven roller shaft is arranged on the vertical sliding plate, the gap between the vertical driving roller and the vertical driven roller is adjusted to achieve the opposite According to the different compression degree of the hair chemical fiber, the oil remaining on the hair chemical fiber will be squeezed out after the hair chemical fiber is rolled, and the squeezed oil will enter the oil tank.
  • the hair-use chemical fiber thread passes through the vertical drafting mechanism and then passes through the second tensioning mechanism.
  • the hair-use chemical fiber thread between the vertical drafting mechanism and the horizontal drafting mechanism is tensioned by the second tensioning mechanism.
  • the chemical fiber yarn passes through the horizontal drafting mechanism.
  • the chemical fiber yarn for hair is located between the horizontal driving roller and the horizontal driven roller.
  • the horizontal screw shaft is driven to move up and down by rotating the horizontal handle to control the horizontal sliding plate to slide along the horizontal direction. The groove moves left and right.
  • the gap between the horizontal driving roller and the horizontal driven roller is adjusted to achieve different compression degrees of the chemical fiber for hair, which is convenient Realize the compression of the chemical fiber for hair, and the rolling of the roller drives the chemical fiber for hair to be placed in the storage box; the chemical fiber for hair is squeezed and pulled between the vertical drafting mechanism and the horizontal drafting mechanism The chemical fiber yarn for hair stretches the chemical fiber yarn for hair.
  • the low-temperature yarn drafting device for hair chemical fiber production line solves the problem of easy knotting in the process of producing hair chemical fiber. There is no tension device in the existing equipment, and the gap between the pressure rollers cannot be adjusted.
  • the vertical drafting mechanism Squeeze and pull the chemical fiber filaments with the horizontal drafting mechanism to complete the stretching of the chemical fiber filaments for the hair.
  • the low-temperature filament drafting device for the chemical fiber production line can greatly increase the production efficiency and reduce the cost. Unnecessary production line stoppage caused by knotting of chemical fiber filaments for hair. Adjust the gap between the pressing rollers according to the requirements of different wig filaments. The degree of squeezing of different wig filaments can be controlled to ensure the wig The drafting and squeezing effect of the fiber.
  • Figure 1 is a schematic diagram of the front structure of the invention.
  • Figure 2 is a schematic view of the rear structure of the invention.
  • Fig. 3 is a schematic diagram of the structure of the tensioning mechanism of the invention.
  • Fig. 4 is a schematic structural diagram of the horizontal drafting mechanism of the invention.
  • Fig. 5 is a schematic diagram of the structure of the vertical drafting mechanism of the invention.
  • Horizontal bearing 310. Vertical chute, 311. Vertical lifting shaft, 312. Vertical driving roller, 313. .Vertical driven roller, 314. Oil tank, 401. First driven wheel, 402. Horizontal slide plate, 403. Horizontal handle, 404. Horizontal driven bearing, 405. Horizontal plate, 406. Horizontal driven roller Shaft, 407. Horizontal driving bearing, 408. Horizontal driving roller shaft, 409. Horizontal bearing, 410. Horizontal chute, 411. Horizontal screw shaft, 412. Horizontal driving roller, 413. Horizontal driven Roll
  • a rapid prototyping wig fiber based on PEGT including the following steps:
  • Raw materials by weight percentage: take raw material PETG-A 65%, flame retardant 15%, antibacterial agent 9%, coloring agent 3%, additive 5%, dispersant 3%;
  • the intrinsic viscosity of the PETG-A is 0.8;
  • the flame retardant is brominated epoxy resin, polysilborooxane, resorcinol bis(diphenyl phosphate), and the weight ratio is 4:2.8:3.2;
  • the antibacterial agent is nano silver antibacterial agent: Chitooligosaccharides: ammonium dihydrogen phosphate: ethyl paraben with a weight ratio of 2:1:4:0.2; the additives are nano calcium carbonate and silicon dioxide with a mass ratio of 3 :1;
  • the dispersant is ethylene bisstearamide; the colorant is a brown masterbatch;
  • step (3) The raw material dried in step (2) is crushed, the particle size of the crushed raw material is 200 meshes, and the crushed raw material is put into the dry powder granulator for granulation, and the raw material based on PETG-A is obtained. grain;
  • the nascent fiber is cooled by a ring blowing method, and the air temperature is -5°C;
  • the nascent fiber is oiled by the oil roller (the oil is silicone), and the nascent fiber after the oiling treatment is stretched by the low-temperature wire drawing device on the hair chemical fiber production line, and the tow is obtained after the drawing is completed , The tow is collected by the winder to obtain a fiber yarn roll.
  • the drawing temperature during the drawing process is 90°C, the speed is 400m/min, the number of rolls of the drafting machine is 5, and the draft ratio is 4.5 times ;
  • the length of the heat setting box is 10 meters, and the feeding speed of the tow is 10m/min, the residence time of the tow in the heat setting box is 10 minutes, the working temperature of the heat setting box is 110-250°C, preferably 110-130°C, the influence of the different working temperature of the heat setting box on the finished wig fiber As shown in Table 1;
  • the PETG-based rapid prototyping wig fiber PETG-A-1 can be obtained by taking up the wire through the wire winding machine.
  • the low-temperature wire drafting device for the hair-use chemical fiber production line includes a support mechanism 1.
  • the support mechanism 1 includes a bottom plate 101, a vertical support 102, an inclined support 105, a cross beam 103, a brace 106, and a placement box.
  • the upper surface of the bottom plate 101 is vertically provided with a vertical bracket 102, the left end surface of the bottom plate 101 is provided with an inclined bracket 105, the upper end of the inclined bracket 105 and the vertical bracket 102 is provided with a cross beam 103, between the cross beam 103 is set
  • a motor 104 is provided in the middle of the upper surface of the bottom plate 101 on the support bar 106, and the motor 104 is preferably a Siemens 1LE0001 motor, and the output end of the motor 104 is provided with a driving wheel 108.
  • a vertical drafting mechanism 3 is provided on the upper surface of the right part of the beam 103.
  • the vertical drafting mechanism 3 includes a vertical plate 301, an oil groove 314, a vertical driving roller 312, a vertical driven roller 313, and a vertical driving roller shaft 308, Vertical driven roller shaft 306, vertical driving bearing 307, vertical driven bearing 304, second driven wheel 305, vertical sliding plate 302, vertical sliding groove 310, vertical lifting shaft 311, vertical handle 303, vertical
  • the upper part of the vertical plate 301 is provided with a rectangular hole.
  • the vertical plates 301 on the left and right sides of the rectangular hole are provided with vertical sliding grooves 310.
  • the vertical sliding grooves 310 are provided with vertical sliding plates 302.
  • the vertical chute 310 can slide up and down.
  • a vertical lift shaft 311 is provided in the middle of the upper end surface of the vertical slide plate 302.
  • the vertical lift shaft 311 and the vertical slide plate 302 are connected by a vertical bearing 309.
  • the vertical lift shaft 311 penetrates the upper part of the vertical plate 301 and is connected to the vertical plate 301.
  • the upper end of the vertical lifting shaft 311 is fixedly connected with a vertical handle 303; the oil groove 314 is located in the lower part between the vertical plates 301, the vertical active roller 312 is located directly above the oil groove 314, and the middle of the vertical active roller 312 is connected
  • Vertical driving roller shaft 308, vertical driving roller shaft 308 and vertical plate 301 are connected by vertical driving bearing 307, the front end of vertical driving roller shaft 308 is connected with a second driven wheel 305;
  • vertical driven roller 313 is located in the vertical driving Right above the roller 312, a vertical driven roller shaft 306 is connected to the middle of the vertical driven roller 313, and the vertical driven roller shaft 306 and the vertical sliding plate 302 are connected by a vertical driven bearing 304.
  • the horizontal drafting mechanism 4 is provided on the upper surface of the left part of the cross beam 103.
  • the horizontal drafting mechanism 4 includes a horizontal plate 405, a horizontal driving roller 412, a horizontal driven roller 413, a horizontal driving roller shaft 408, and a horizontal follower.
  • the horizontal plate 405 has a rectangular hole at one end away from the vertical drafting mechanism 3.
  • the horizontal plate 405 on the upper and lower sides of the rectangular hole is provided with a horizontal slide groove 410, and a horizontal slide plate 402 is arranged between the horizontal slide grooves 410.
  • the sliding sliding plate 402 can slide left and right in the horizontal sliding groove 410.
  • the horizontal screw shaft 411 is provided in the middle of the right end surface of the horizontal sliding plate 402.
  • the horizontal screw shaft 411 and the horizontal sliding plate 402 are connected by a horizontal bearing 409.
  • the horizontal screw shaft 411 penetrates the right part of the horizontal plate 405 and is connected to the horizontal plate 405.
  • 405 is a threaded connection, the right end of the horizontal screw shaft 411 is fixedly connected with a horizontal handle 403;
  • the horizontal driving roller 412 is located between the left part of the horizontal plate 405, and the middle of the horizontal driving roller 412 is connected with a horizontal driving roller shaft 408
  • the horizontal driving roller shaft 408 and the horizontal plate 405 are connected by a horizontal driving bearing 407.
  • the front end of the horizontal driving roller shaft 408 is connected with a first driven wheel 401.
  • the first driven wheel 401 is provided with two wheel grooves.
  • the wheels 108 are connected by a belt, and the inner wheel groove and the second driven wheel 305 are connected by a belt;
  • the horizontal driven roller 413 is located to the right of the horizontal driving roller 412, and the middle of the horizontal driven roller 413 is connected with a horizontal
  • the driven roller shaft 406, the horizontal driven roller shaft 406 and the horizontal sliding plate 402 are connected by a horizontal driven bearing 404.
  • a first tensioning mechanism 2 is provided on the rightmost brace 106, and a second tensioning mechanism 5 is provided on the middle brace 106.
  • the second tensioning mechanism 5 has the same structure as the first tensioning mechanism 2.
  • the first tensioning mechanism 2 Including a vertical rod 201, a spring seat 202, a spring 203, an ear plate 204, a rotating shaft 205, a pulley 206, a pulley bearing 208, and a pulley shaft 207.
  • the lower part of the vertical rod 201 is fixedly connected to the support rod 106, and the front side of the vertical rod 201 is arranged There is a spring seat 202.
  • An ear plate 204 is provided on the upper part of the upright rod 201.
  • the ear plate 204 and the upright rod 201 are movably connected by a shaft 205.
  • the ear plate 204 can rotate relative to the shaft 205.
  • the ear plate 204 and the spring seat 202 are connected Spring 203, a pulley 206 is arranged on the upper part of the ear plate 204, the pulley 206 and the pulley shaft 207 are connected by a pulley bearing 208, and the pulley shaft 207 is fixedly connected to the ear plate 204;
  • a controller 6 is arranged between the inclined bracket 105 and the cross beam 103,
  • the controller 6 is preferably a Siemens S7-200 PLC controller 6, which is used to control the start and stop of the motor 104.
  • the controller 6 controls the start and stop of the motor 104, and passes the hair-use chemical fiber through the first tensioning mechanism 2, and the pulley 206 is provided with a groove.
  • the hair-use chemical fiber is located in the groove on the pulley 206.
  • the pulley 206 will rotate around the shaft 205, and the spring 203 will be stretched at this time.
  • the vertical lifting shaft 311 moves up and down to control the vertical sliding plate 302 to move up and down along the vertical chute 310.
  • the vertical driven roller shaft 306 is arranged on the vertical sliding plate 302, the vertical driving roller 312 and the vertical driven roller are adjusted.
  • the gap between the rollers 313 can achieve different levels of compaction of the hair chemical fiber. After the hair chemical fiber is rolled, the oil remaining on the hair chemical fiber will be squeezed out, and the squeezed oil will be squeezed out. Enter to the oil tank 314;
  • the chemical fiber yarn for hair passes through the vertical drafting mechanism 3 and then through the second tensioning mechanism 5.
  • the second tensioning mechanism 5 performs the processing of the chemical fiber yarn for hair between the vertical drafting mechanism 3 and the horizontal drafting mechanism 4
  • the hair chemical fiber yarn passes through the horizontal drafting mechanism 4
  • the hair chemical fiber yarn is located between the horizontal driving roller 412 and the horizontal driven roller 413
  • the horizontal screw shaft 411 is driven to move up and down by rotating the horizontal handle 403 , And then control the horizontal sliding plate 402 to move left and right along the horizontal chute 410.
  • the horizontal driven roller shaft 406 is arranged on the horizontal sliding plate 402, the gap between the horizontal driving roller 412 and the horizontal driven roller 413 is adjusted.
  • Table 1 The performance of the wig fiber under different working temperatures of the intelligent heating system of the hot roller of the drafting machine.
  • the fiber roll After the nascent fiber is drawn, the fiber roll is obtained. After twisting, the fiber roll begins to shape, and passes through one to five zones in turn, which are draft rolls 1-5, and the heating temperature is 5°C as the gradient. The rising temperature is pulled out from the five zones and led into the storage bucket. It can be seen from Table 1 that different setting temperatures have a significant impact on the performance of the wig fiber. The higher the qualitative temperature, the greater the effect on the wig fiber. The resulting fiber will have substandard flame retardancy, poor combability, poor smoothness, and gloss. General problems, this may be because the higher setting temperature destroys the performance of the PETG resin itself, and the added flame retardant and resin do not achieve a good compounding effect, which in turn reduces the performance of the wig fiber.
  • the lower qualitative temperature (110-130°C) not only achieves a significant setting effect, but also protects the characteristics of PETG resin and flame retardants, so that the resulting wig fiber has good flame retardancy, excellent handle combability, and high Smoothness and gloss. Therefore, the working temperature of heat setting is preferably 110-130°C.
  • the percentages by weight are: 85% of raw material PETG-A, 5% of flame retardant, 3% of antibacterial agent, 1% of coloring agent, 4% of additive, and 2% of dispersant;
  • the intrinsic viscosity of the PETG-A is 0.8;
  • the flame retardant is brominated epoxy resin, polysilborooxane, resorcinol bis(diphenyl phosphate), and the weight ratio is 4:2.8:3.2;
  • the antibacterial agent is nano silver antibacterial agent: Chitooligosaccharides: ammonium dihydrogen phosphate: ethyl paraben with a weight ratio of 2:1:4:0.2; the additives are nano calcium carbonate and silicon dioxide with a mass ratio of 3 :1;
  • the dispersant is ethylene bisstearamide; the colorant is a brown masterbatch;
  • step (3) The raw material dried in step (2) is pulverized, and the particle size of the pulverized raw material is 300 meshes. After the pulverized raw material is put into a dry powder granulator for granulation, a raw material based on PETG-A is obtained. grain;
  • the nascent fiber is cooled by a ring blowing method, and the air temperature is 15°C;
  • the nascent fiber is oiled by the oil roller (the oil is silicone), and the nascent fiber after the oiling treatment is stretched by the low-temperature wire drawing device on the hair chemical fiber production line, and the tow is obtained after the drawing is completed ,
  • the tow is collected by a winder to obtain a fiber yarn roll.
  • the drawing temperature during the drawing process is 150°C, the speed is 1200m/min, the number of rolls of the drafting machine is 12, and the draft ratio is 1.2 times ;
  • the length of the heat setting box is 10 meters, and the working temperature of the heat setting box is 110-130°C, the feed speed of the tow is 35m/min, and the residence time of the tow in the heat setting box is 3 minutes;
  • the rapid prototyping wig fiber PETG-A-5 based on PETG can be obtained by taking up the wire through the wire winding machine.
  • the percentages by weight are: 85% of raw material PETG-A, 5% of flame retardant, 3% of antibacterial agent, 1% of coloring agent, 4% of additive, and 2% of dispersant;
  • the intrinsic viscosity of the PETG-A is 0.8; the flame retardant is brominated epoxy resin and melamine: polyphosphate (weight ratio 1:1), weight ratio 4:7; the antibacterial agent is nano silver Antibacterial agent: Chitooligosaccharides: Ammonium dihydrogen phosphate: Ethyl paraben, weight ratio 2:1:4:0.2; The additives are nano-calcium carbonate and silicon dioxide, the weight ratio is 3:1; The dispersant It is ethylene bis-stearamide; the colorant is brown masterbatch;
  • step (3) The raw material dried in step (2) is crushed, the particle size of the crushed raw material is 260 mesh, and the crushed raw material is put into the dry powder granulator for granulation, and the raw material based on PETG-A is obtained. grain;
  • the nascent fiber is cooled by a ring blowing method, and the air temperature is 0°C;
  • the nascent fiber is oiled by the oil roller (the oil is silicone), and the nascent fiber after the oiling treatment is stretched by the low-temperature wire drawing device on the hair chemical fiber production line, and the tow is obtained after the drawing is completed , The tow is collected by the winder to obtain the fiber yarn roll.
  • the drawing temperature during the drawing process is 120°C, the speed is 600m/min, the number of rolls of the drafting machine is 8 rolls, and the draft ratio is 3.2 times. ;
  • the length of the heat setting box is 18 meters, and the working temperature of the heat setting box is 110-130°C, the feeding speed of the tow is 30m/min, and the residence time of the tow in the heat setting box is 6 minutes;
  • the rapid prototyping wig fiber PETG-A-6 based on PETG can be obtained by taking up the wire through the wire-winding machine.
  • the percentages by weight are: 95% of raw material PETG-A, 2.8% of flame retardant, 1.4% of antibacterial agent, 0.2% of coloring agent, 0.4% of additive, and 0.2% of dispersant;
  • the intrinsic viscosity of the PETG-A is 0.8; the flame retardant is brominated epoxy resin and melamine: polyphosphate (weight ratio 1:1), weight ratio 4:7; the antibacterial agent is nano silver Antibacterial agent: Chitooligosaccharides: Ammonium dihydrogen phosphate: Ethyl paraben, weight ratio 2:1:4:0.2; The additives are nano-calcium carbonate and silicon dioxide, the weight ratio is 3:1; The dispersant It is ethylene bis-stearamide; the colorant is brown masterbatch;
  • the remaining steps are the same as the steps (2) to (8) in Example 1, to obtain the PETG-based rapid prototyping wig fiber PETG-A-7.
  • the intrinsic viscosity of the PETG-B is 1.0; the flame retardant is brominated epoxy resin, polysilborooxane, resorcinol bis(diphenyl phosphate), and the weight ratio is 4:2.8:3.2;
  • the antibacterial agent is nano silver antibacterial agent: Chitooligosaccharides: ammonium dihydrogen phosphate: ethyl paraben with a weight ratio of 2:1:4:0.2; the additives are nano calcium carbonate and silicon dioxide with a mass ratio of 3 :1;
  • the dispersant is ethylene bisstearamide; the colorant is a brown masterbatch;
  • the intrinsic viscosity of the PETG-C is 1.1; the flame retardant is brominated epoxy resin, polysilborooxane, resorcinol bis(diphenyl phosphate), and the weight ratio is 4:2.8:3.2;
  • the antibacterial agent is nano silver antibacterial agent: Chitooligosaccharides: ammonium dihydrogen phosphate: ethyl paraben with a weight ratio of 2:1:4:0.2; the additives are nano calcium carbonate and silicon dioxide with a mass ratio of 3 :1;
  • the dispersant is ethylene bisstearamide; the colorant is a brown masterbatch;
  • the intrinsic viscosity of the PETG-D is 0.9;
  • the flame retardant is brominated epoxy resin, polysilborooxane, resorcinol bis(diphenyl phosphate), and the weight ratio is 4:2.8:3.2;
  • the antibacterial agent is nano silver antibacterial agent: Chitooligosaccharides: ammonium dihydrogen phosphate: ethyl paraben with a weight ratio of 2:1:4:0.2; the additives are nano calcium carbonate and silicon dioxide with a mass ratio of 3 :1;
  • the dispersant is ethylene bisstearamide; the colorant is a brown masterbatch;
  • the intrinsic viscosities of the PETG-A and PETG-B are 0.7 and 1.0, respectively;
  • the flame retardant is brominated epoxy resin, polysilicoboroxane, resorcinol bis(diphenyl phosphate), weight The ratio is 4:2.8:3.2;
  • the antibacterial agent is shell nano silver antibacterial agent: chitooligosaccharides: ammonium dihydrogen phosphate: ethyl paraben, the weight ratio is 2:1:4:0.2;
  • the additive is nano carbonic acid Calcium and silicon dioxide, the mass ratio is 3:1;
  • the dispersant is ethylene bisstearamide;
  • the colorant is brown masterbatch;
  • the intrinsic viscosity of the PETG-A and PETG-C are 0.7 and 1.1 respectively;
  • the flame retardant is brominated epoxy resin, polysilicoboroxane, resorcinol bis(diphenyl phosphate), weight The ratio is 4:2.8:3.2;
  • the antibacterial agent is nano silver antibacterial agent: chitooligosaccharides: ammonium dihydrogen phosphate: ethyl paraben, the weight ratio is 2:1:4:0.2;
  • the additive is nano calcium carbonate And silicon dioxide, the mass ratio is 3:1;
  • the dispersant is ethylene bis-stearamide;
  • the colorant is brown masterbatch;
  • the intrinsic viscosities of the PETG-A and PETG-D are 0.7 and 0.9, respectively;
  • the flame retardant is brominated epoxy resin, polysilicoboroxane, resorcinol bis(diphenyl phosphate), weight The ratio is 4:2.8:3.2;
  • the antibacterial agent is nano silver antibacterial agent: chitooligosaccharides: ammonium dihydrogen phosphate: ethyl paraben, the weight ratio is 2:1:4:0.2;
  • the additive is nano calcium carbonate And silicon dioxide, the mass ratio is 3:1;
  • the dispersant is ethylene bis-stearamide;
  • the colorant is brown masterbatch;
  • the wig fiber prepared by the present invention has excellent mechanical properties by selecting reasonable components and proportions, and the joint and separate addition of flame retardant and antibacterial agent does not cause the phenomenon of reducing the breaking strength of the wig fiber.
  • the PETG-based wig fibers obtained in Examples 1-5 reach V-0 and V-1 levels under the UL-94 vertical burning test method; the limiting oxygen index can reach 26-34% under the candle burning test, which is a flame-retardant material , After the tow is ignited for 10 seconds, the flame will be extinguished within 60 seconds, and no drips will be generated. It shows that the obtained PETG-based wig fiber has good flame-retardant properties.
  • the PETG-based wig fibers obtained in Examples 1-9 were tested for antibacterial experiments.
  • the inhibitory rates of the products of each example against Staphylococcus aureus, Escherichia coli and Epidermophyton are all above 98%, indicating that the PETG-based wig fibers obtained have Excellent antibacterial properties.

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Abstract

一种基于PETG的快速成型假发纤维及其制备工艺，包括以下重量配比PETG 65-95％，阻燃剂5-15％，抗菌剂3-9％，染色剂1-3％，添加剂4-5％，分散剂2-3％。所得的假发纤维其具备抗菌阻燃、色泽度高、易染色、发丝柔顺、持久度好、易加工多种复杂造型等特点，具有良好的市场竞争力。还提供了其制备工艺，在传统制备工艺加以改进，利用PETG材料易于热加工成型的特性，在牵伸机热辊智能加热系统下进行热定型工艺，提高加工速度，增加产品韧性和持久度。

Description

一种基于PETG的快速成型假发纤维及其制备工艺 技术领域
本发明涉及仿真假发技术领域，具体涉及一种基于PETG的快速成型假发纤维及其制备工艺。
背景技术
随着经济的快速发展和人们生活水平的提高，假发已经成为人们追求个性化的必备装饰品，同时为一些有需求的人群提供了便利，并且随着影视、戏剧、cosplay等文化产业的发展，假发的需求量也日益增加，假发市场前景广阔。
目前，绝大部分的以合成材料纤维制成的人造假发为主，制备假发常用的原料有PVC、PP、PET、PBT。这类假发纤维在生产和使用过程中对光和热的稳定性差，机械强度和柔性有限，加工范围较窄，并且大部分工艺必须在冷却条件下卷曲成型，加工工艺的复杂。
PETG(聚对苯二甲酸乙二醇酯-1,4-环己烷二甲醇酯)是在PET的基础上研发的非结晶耐高温工程塑料用热塑性聚酯树脂。PEGT假发纤维具备突出的韧性、高抗冲击强度、出色的热成型性能、优秀的耐候性和耐化学性、较好的粘度和透明度、光泽度高且易染色、并具有环保优势等诸多优点。采用PETG假发纤维作为原材料，并改进加工工艺，有望克服传统工艺中存在的原材料对环境不友好，难加工成型，产品韧性较低，加工工艺复杂等不足之处。同时添加一定的抗菌剂和阻燃剂可以有效的提高产品的安全性能和健康功效，更有利于人们更好的使用。
PETG的快速成型假发纤维生产过程中在油辊对初生纤维进行上油后需要对其进行拉伸工序，一方面是为了将其中的油分虑出，另一方面是对其进行再次拉伸使其达到预定质量要求，但是在拉伸的过程中由于丝纤过长过多，会出现丝纤较为松散，容易造成丝纤拉伸不均匀，易打结的现象，而且对于不同的丝纤需要调整拉伸的力度；目前市场上对于丝纤拉伸的方式较为传统，通过两个压辊对其进行拉伸，无法实现对丝纤的张紧，经常会导致丝纤打结，拉伸不均匀的情况，丝纤打结可能会造成拉伸时化纤丝断裂的情况，影响丝纤的品质，严重打结时还需要停线调节打结丝纤，影响假发纤维的生产效率；且对于不同的丝纤需要调整 压辊之间的间隙，传统的压辊无法调节压辊之间的间隙，造成假发纤维的牵伸挤压程度不均影响假发纤维品质。
发明内容
为了克服现有仿真假发技术领域中存在的不足，本发明提供了一种基于PETG的快速成型假发纤维及其制备工艺，本发明采用的方案为：
一种基于PETG的快速成型假发纤维，包括以下重量配比的组分：PETG65-95％，阻燃剂2.8-15％，抗菌剂1.4-9％，染色剂0.2-3％，添加剂0.4-5％，分散剂0.2-3。
作为本发明一种基于PEGT的快速成型假发纤维的进一步优化：所述PEGT为为特性粘度为0.7-1.1的PETG-A、PETG-B、PETG-C、PETG-D中的一种或多种。
作为本发明一种基于PEGT的快速成型假发纤维的进一步优化：所述阻燃剂为溴化环氧树脂、聚硅硼氧烷、间苯二酚双(二苯磷酸酯)、三聚氰胺：多聚磷酸酯(重量比1:1)中的一种或多种。
作为本发明一种基于PEGT的快速成型假发纤维的进一步优化：所述抗菌剂为银纳米抗菌剂：壳寡糖：磷酸二氢铵：尼泊金乙酯重量比2-6:1-3:4-6:0.2-1。
作为本发明一种基于PEGT的快速成型假发纤维的进一步优化：所述染色剂为色粉、颜料、色母粒根据客户要求选择不同色彩。
作为本发明一种基于PEGT的快速成型假发纤维的进一步优化：所述添加剂为纳米碳酸钙、二氧化硅、滑石粉、硅微粉、二氧化钛、玻璃微珠中的一种或多种。
作为本发明一种基于PEGT的快速成型假发纤维的进一步优化：所述分散剂为亚乙基双硬脂酰胺、硬脂酸钡中的一种。
一种基于PEGT的快速成型假发纤维的制备工艺，包括以下步骤：
(1)按照重量份数取原材料，PETG 65-95％，阻燃剂2.8-15％，抗菌剂1.4-9％，染色剂0.2-3％，添加剂0.4-5％，分散剂0.2-3％，将原料依次在70-80℃温度下除湿干燥；除湿干燥总时间为6-9个小时，将原料的含水量控制在50ppm以下；
(2)将步骤(1)中干燥后的原料进行粉碎，粉碎后的原料粒径为200-300目，将粉碎后的原料投入到干粉造粒机中进行造粒后，得到原料母粒；
(3)将原料母粒投入到单螺旋单螺杆挤出机，进行螺旋熔融挤出获得初生纤维，喷丝板的孔径为0.1-0.8mm，挤出机温度为180-300℃；
(4)采用1-5米的环吹风或测吹风方式对初生纤维进行冷却，风温为-5-15℃；
(5)通过油辊对初生纤维进行上油，将上油处理后的初生纤维通过发用化纤生产线用低温丝牵伸装置进行牵伸，牵伸完成后获得丝束，通过收卷机对丝束进行收取，获得纤维丝辊，拉伸过程中的拉伸温度为90-150℃，纺丝速度为400m/min-1200m/min；
(6)将纤维丝辊放入到集束架中，从集束架经过牵引辊使丝束进入到热定型箱内进行热定型工艺，热定型箱的长度为2-18米，热定型箱的工作温度为110-250℃，丝束的进给速度为15m/min-35m/min，丝束在热定型箱内的停留时间为3-25分钟；
(7)热定型工艺完成以后，通过收丝机对进行收丝包装可得到所述的基于PETG的快速成型假发纤维。
作为本发明一种基于PEGT的快速成型假发纤维的制备工艺的进一步优化：所述步骤(5)中上油采用的油剂为聚醚系聚合物、脂肪酸系聚合物、有机胺盐系化合物、有机硅中的一种或多种；
作为本发明一种基于PEGT的快速成型假发纤维的制备工艺的进一步优化：所述步骤(5)中牵伸机的辊数为5-12辊，牵伸比为1.2-4.5倍。
作为本发明一种基于PEGT的快速成型假发纤维的制备工艺的进一步优化：所述步骤(5)中发用化纤生产线用低温丝牵伸装置，包括支架机构，支架机构包括有底板、竖支架、斜支架、横梁、撑杆、放置箱、电机、主动轮，底板上表面垂直设置有竖支架，底板左端面设置有斜支架，斜支架与竖支架的上端设置有横梁，横梁之间设置有撑杆，底板上表面中部设置有电机，电机的输出端设置有主动轮；横梁右部上表面设置有立式牵伸机构，横梁左部上表面设置有横式牵伸机构，最右端撑杆上设置有第一张紧机构，中间撑杆上设置有第二张紧机构，第二张紧机构与第一张紧机构结构相同；斜支架与横梁之间设置有控制器。
立式牵伸机构包括有立板、油槽、立式主动辊、立式从动辊、立式主动辊轴、立式从动辊轴、立式主动轴承、立式从动轴承、第二从动轮、立式滑板、立式滑槽、立式升降轴、立式手柄、立式轴承，立板上部开设有矩形孔，矩形孔左右两 侧的立板上开设有立式滑槽，立式滑槽之间设置有立式滑板，立式滑板在立式滑槽内可上下滑动；立式滑板上端面中部设置有立式升降轴，立式升降轴与立式滑板之间通过立式轴承连接，立式升降轴贯穿立板上部，且与立板之间为螺纹连接，立式升降轴上端固定连接有立式手柄；油槽位于立板之间下部，立式主动辊位于油槽的正上方，立式主动辊中部连接有立式主动轴，立式主动轴与立板通过立式主动轴承连接，立式主动轴前端连接有第二从动轮；立式从动辊位于立式主动辊的正上方，立式从动辊中部连接有立式从动轴，立式从动轴与立式滑板通过立式从动轴承连接。
横式牵伸机构包括有横板、横式主动辊、横式从动辊、横式主动辊轴、横式从动辊轴、横式主动轴承、横式从动轴承、第一从动轮、横式滑板、横式滑槽、横式螺杆轴、横式手柄、横式轴承，横板远离立式牵伸机构一端开设有矩形孔，矩形孔上下两侧的横板上开设有横式滑槽，横式滑槽之间设置有横式滑板，横式滑板在横式滑槽内可左右滑动；横式滑板右端面中部设置有横式螺杆轴，横式螺杆轴与横式滑板之间通过横式轴承连接，横式螺杆轴贯穿横板右部，且与横板之间为螺纹连接，横式螺杆轴右端端固定连接有横式手柄；横式主动辊位于横板左部之间，横式主动辊中部连接有横式主动轴，横式主动轴与横板通过横式主动轴承连接，横式主动轴前端连接有第一从动轮，第一从动轮设有两个轮槽，外轮槽与主动轮之间通过皮带连接，内轮槽与第二从动轮之间通过皮带连接；横式从动辊位于横式主动辊的右方，横式从动辊中部连接有横式从动轴，横式从动轴与横式滑板通过横式从动轴承连接。
第一张紧机构包括有立杆、弹簧座、弹簧、耳板、转轴、滑轮、滑轮轴承、滑轮轴，立杆下部固定连接在撑杆上，立杆前侧面设置有弹簧座，立杆的上部设置有耳板，耳板与立杆通过转轴活动连接，耳板可绕转轴相对转动，耳板与弹簧座之间连接有弹簧，耳板上部设置有滑轮，滑轮与滑轮轴之间通过滑轮轴承连接，滑轮轴与耳板固定连接。
有益效果
本发明首先采用具备不同特性指标的PETG聚酯树脂为制备假发的原料，利用PEGT较高的韧性和机械强度、易于热加工成型的特点、出色的耐候性和耐化学性、较好的粘度、光泽度高且易染色等诸多优点，制得的基于PETG的快速成 型假发纤维，具备透明度高、光泽好、易染色、韧性强、环境友好、加工成型性能极佳等诸多特点。
所添加阻燃剂由多种阻燃剂复合，聚硅硼氧烷、间苯二酚双(二苯磷酸酯)、和三聚氰胺：多聚磷酸酯属于有机硅系、磷系、氮系阻燃剂，具备环境友好，添加量少，阻燃性能高的特点，该类阻燃剂的添加明显减少溴化环氧树脂添加量，降低燃烧产物的毒性，同时多种阻燃剂的配合使用可以显著的改善单一阻燃剂使用时的局限性，提高PETG假发纤维的阻燃系数。通过合理配比添加纳米银抗菌剂、壳寡糖、尼泊金乙酯、磷酸氢二铵四种抗菌剂，实现良好的抗菌效果，对金黄色葡萄球菌、大肠杆菌及表皮癣菌具有较高的抗菌率。
发用化纤生产线用低温丝牵伸装置在使用时通过控制器控制电机的启停，将发用化纤丝穿过第一张紧机构，滑轮上设置有凹槽，发用化纤丝位于滑轮上的凹槽内，当发用化纤丝较紧时，滑轮会绕转轴转动，此时弹簧会拉伸，当发用化纤丝较为松时，滑轮受弹簧拉力作用绕转轴向上移动，以达到对发用化纤丝的张紧作用；然后再将发用化纤丝穿过立式牵伸机构，发用化纤丝位于立式主动辊和立式从动辊之间，通过转动立式手柄带动立式升降轴上下移动，进而控制立式滑板沿立式滑槽上下移动，由于立式从动辊轴设置在立式滑板上因此调整了立式主动辊和立式从动辊之间的间隙，以达到对发用化纤丝的不同的压紧程度，对发用化纤丝进行辊压之后发用化纤丝上残留的油分会被挤压出来，挤压出的油分会进入至油槽。
发用化纤丝经过立式牵伸机构后再经过第二张紧机构，由第二张紧机构对立式牵伸机构与横式牵伸机构之间的发用化纤丝进行张紧，发用化纤丝再经过横式牵伸机构，发用化纤丝位于横式主动辊和横式从动辊之间，通过转动横式手柄带动横式螺杆轴上下移动，进而控制横式滑板沿横式滑槽左右移动，由于横式从动辊轴设置在横式滑板上因此调整了横式主动辊和横式从动辊之间的间隙，以达到对发用化纤丝的不同的压紧程度，便于实现对发用化纤丝的压紧，以及通过辊轴的滚动带动发用化纤丝置于放置箱内；发用化纤丝经过立式牵伸机构与横式牵伸机构之间的挤压并拉动发用化纤丝，使发用化纤丝进行拉伸。
发用化纤生产线用低温丝牵伸装置解决了生产发用化纤丝的过程中易打结，现有设备中无张紧装置，无法调整压辊之间的间隙的问题，经过立式牵伸机构与 横式牵伸机构之间的挤压并拉动发用化纤丝，完成对发用化纤丝进行拉伸，通过发用化纤生产线用低温丝牵伸装置可大幅度调高生产效率，减少了因发用化纤丝打结而造成的不必要的生产线停线，根据不同的假发纤维丝的要求不同调节压辊之间的间隙，可以对不同的假发纤维丝束进行挤压程度进行控制，保证假发纤维的牵伸挤压效果。
附图说明
图1为发明的前侧结构示意图。
图2为发明的后侧结构示意图。
图3为发明的张紧机构结构示意图。
图4为发明的横式牵伸机构结构示意图。
图5为发明的立式牵伸机构结构示意图。
附图标记的零件列表
1.支架机构、2.第一张紧机构、3.立式牵伸机构、4.横式牵伸机构、5.第二张紧机构、6.控制器、101.底板、102.竖支架、103.横梁、104.电机、105.斜支架、106.撑杆、107.放置箱、108.主动轮、201.立杆、202.弹簧座、203.弹簧、204.耳板、205.转轴、206.滑轮、207.滑轮轴、208.滑轮轴承、301.立板、302.立式滑板、303.立式手柄、304.立式从动轴承、305.第二从动轮、306.立式从动辊轴、307.立式主动轴承、308.立式主动辊轴、309.立式轴承、310.立式滑槽、311.立式升降轴、312.立式主动辊、313.立式从动辊、314.油槽、401.第一从动轮、402.横式滑板、403.横式手柄、404.横式从动轴承、405.横板、406.横式从动辊轴、407.横式主动轴承、408.横式主动辊轴、409.横式轴承、410.横式滑槽、411.横式螺杆轴、412.横式主动辊、413.横式从动辊
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
实施例1
一种基于PEGT的快速成型假发纤维，包括以下步骤：
(1)原料：按重量百分比为：取原料PETG-A 65％，阻燃剂15％，抗菌剂9％，染色剂3％，添加剂5％，分散剂3％；
所述PETG-A的特性粘度为0.8；所述阻燃剂为溴化环氧树脂、聚硅硼氧烷、间苯二酚双(二苯磷酸酯)，重量比为4:2.8:3.2；所述抗菌剂为纳米银抗菌剂：壳寡糖：磷酸二氢铵：尼泊金乙酯，重量比2:1:4:0.2；所述添加剂为纳米碳酸钙和二氧化硅，质量比3:1；所述分散剂为亚乙基双硬脂酰胺；所述染色剂为棕色色母粒；
(2)将原料70℃温度下除湿干燥；除湿干燥总时间为9个小时，将原料的含水量控制在50ppm以下；
(3)将步骤(2)中干燥后的原料进行粉碎，粉碎后的原料粒径为200目，将粉碎后的原料投入到干粉造粒机中进行造粒后，得到基于PETG-A原料母粒；
(4)将原料母粒投入到单螺旋单螺杆挤出机，进行螺旋熔融挤出获得初生纤维，喷丝板的孔径为0.8mm，挤出机温度为300℃；
(5)采用环吹风方式对初生纤维进行冷却，风温为-5℃；
(6)通过油辊对初生纤维进行上油(油剂为有机硅)，将上油处理后的初生纤维通过发用化纤生产线用低温丝牵伸装置进行拉伸，拉伸完成后获得丝束，通过收卷机对丝束进行收取，获得纤维丝辊，拉伸过程中的拉伸温度为90℃，转速为400m/min，牵伸机的辊数为5辊，牵伸比为4.5倍；
(7)将纤维丝辊放入到集束架中，从集束架经过牵引辊使丝束进入到热定型箱内进行热定型工艺，热定型箱的长度为10米，丝束的进给速度为10m/min，丝束在热定型箱内的停留时间为10分钟，热定型箱的工作温度为110-250℃，优选为110-130℃，热定型箱的不同工作温度对假发纤维成品的影响如表1所示；
(8)热定型工艺完成以后，通过收丝机对进行收丝包装可得到基于PETG的快速成型假发纤维PETG-A-1。
步骤(6)所述发用化纤生产线用低温丝牵伸装置，包括支架机构1，所述的支架机构1包括有底板101、竖支架102、斜支架105、横梁103、撑杆106、放置箱107、电机104、主动轮108，底板101上表面垂直设置有竖支架102，底板101左端面设置有斜支架105，斜支架105与竖支架102的上端设置有横梁103，横梁 103之间设置有撑杆106，底板101上表面中部设置有电机104，电机104优选为西门子1LE0001电机，电机104的输出端设置有主动轮108。
横梁103右部上表面设置有立式牵伸机构3，立式牵伸机构3包括有立板301、油槽314、立式主动辊312、立式从动辊313、立式主动辊轴308、立式从动辊轴306、立式主动轴承307、立式从动轴承304、第二从动轮305、立式滑板302、立式滑槽310、立式升降轴311、立式手柄303、立式轴承309，立板301上部开设有矩形孔，矩形孔左右两侧的立板301上开设有立式滑槽310，立式滑槽310之间设置有立式滑板302，立式滑板302在立式滑槽310内可上下滑动。立式滑板302上端面中部设置有立式升降轴311，立式升降轴311与立式滑板302之间通过立式轴承309连接，立式升降轴311贯穿立板301上部，且与立板301之间为螺纹连接，立式升降轴311上端固定连接有立式手柄303；油槽314位于立板301之间下部，立式主动辊312位于油槽314的正上方，立式主动辊312中部连接有立式主动辊轴308，立式主动辊轴308与立板301通过立式主动轴承307连接，立式主动辊轴308前端连接有第二从动轮305；立式从动辊313位于立式主动辊312的正上方，立式从动辊313中部连接有立式从动辊轴306，立式从动辊轴306与立式滑板302通过立式从动轴承304连接。
横梁103左部上表面设置有横式牵伸机构4，横式牵伸机构4包括有横板405、横式主动辊412、横式从动辊413、横式主动辊轴408、横式从动辊轴406、横式主动轴承407、横式从动轴承404、第一从动轮401、横式滑板402、横式滑槽410、横式螺杆轴411、横式手柄403、横式轴承409，横板405远离立式牵伸机构3一端开设有矩形孔，矩形孔上下两侧的横板405上开设有横式滑槽410，横式滑槽410之间设置有横式滑板402，横式滑板402在横式滑槽410内可左右滑动。横式滑板402右端面中部设置有横式螺杆轴411，横式螺杆轴411与横式滑板402之间通过横式轴承409连接，横式螺杆轴411贯穿横板405右部，且与横板405之间为螺纹连接，横式螺杆轴411右端端固定连接有横式手柄403；横式主动辊412位于横板405左部之间，横式主动辊412中部连接有横式主动辊轴408，横式主动辊轴408与横板405通过横式主动轴承407连接，横式主动辊轴408前端连接有第一从动轮401，第一从动轮401设有两个轮槽，外轮槽与主动轮108之间通过皮带连接，内轮槽与第二从动轮305之间通过皮带连接；横式从动辊413位于横式主 动辊412的右方，横式从动辊413中部连接有横式从动辊轴406，横式从动辊轴406与横式滑板402通过横式从动轴承404连接。
最右端撑杆106上设置有第一张紧机构2，中间撑杆106上设置有第二张紧机构5，第二张紧机构5与第一张紧机构2结构相同，第一张紧机构2包括有立杆201、弹簧座202、弹簧203、耳板204、转轴205、滑轮206、滑轮轴承208、滑轮轴207，立杆201下部固定连接在撑杆106上，立杆201前侧面设置有弹簧座202，立杆201的上部设置有耳板204，耳板204与立杆201通过转轴205活动连接，耳板204可绕转轴205相对转动，耳板204与弹簧座202之间连接有弹簧203，耳板204上部设置有滑轮206，滑轮206与滑轮轴207之间通过滑轮轴承208连接，滑轮轴207与耳板204固定连接；斜支架105与横梁103之间设置有控制器6，控制器6优选为西门子S7-200PLC控制器6，用来控制电机104启停。
使用时通过控制器6控制电机104的启停，将发用化纤丝穿过第一张紧机构2，滑轮206上设置有凹槽发用化纤丝位于滑轮206上的凹槽内，当发用化纤丝较紧时，滑轮206会绕转轴205转动，此时弹簧203会拉伸，当发用化纤丝较为松时，滑轮206受弹簧203拉力作用绕转轴205向上移动，以达到对发用化纤丝的张紧作用；然后再将发用化纤丝穿过立式牵伸机构3，发用化纤丝位于立式主动辊312和立式从动辊313之间，通过转动立式手柄303带动立式升降轴311上下移动，进而控制立式滑板302沿立式滑槽310上下移动，由于立式从动辊轴306设置在立式滑板302上因此调整了立式主动辊312和立式从动辊313之间的间隙，以达到对发用化纤丝的不同的压紧程度，对发用化纤丝进行辊压之后发用化纤丝上残留的油分会被挤压出来，挤压出的油分会进入至油槽314；
发用化纤丝经过立式牵伸机构3后再经过第二张紧机构5，由第二张紧机构5对立式牵伸机构3与横式牵伸机构4之间的发用化纤丝进行张紧，发用化纤丝再经过横式牵伸机构4，发用化纤丝位于横式主动辊412和横式从动辊413之间，通过转动横式手柄403带动横式螺杆轴411上下移动，进而控制横式滑板402沿横式滑槽410左右移动，由于横式从动辊轴406设置在横式滑板402上因此调整了横式主动辊412和横式从动辊413之间的间隙，以达到对发用化纤丝的不同的压紧程度，便于实现对发用化纤丝的压紧，以及通过辊轴的滚动带动发用化纤丝置于放置箱107内。
表1 在牵伸机热辊智能加热系统不同工作温度下假发纤维的性能。
Figure PCTCN2021089768-appb-000001
初生纤维通过牵伸后得到纤维丝辊，纤维丝辊经过加捻后开始定型，依次通过一至五区，分别为牵伸辊1-5，加热温度以5℃为梯度，上升三次后，以最后上升温度从五区中拉出，导入收纳桶。由表1可知，不同的定型温度对假发纤维的性能有显著影响，定性温度越高对假发纤维影响越大，所得纤维会出现阻燃性不达标，手感梳理性差，顺滑度差，光泽度一般等问题，这可能是由于较高的定型温度破坏了PETG树脂本身的性能，是所添加的阻燃剂与树脂没有达到良好的复配作用，进而使假发纤维的性能降低。而较低的定性温度(110-130℃)在达到显著定型效果的同时保护了PETG树脂及阻燃剂的特性，使得到的假发纤维具备良好阻燃性，优异的手感梳理性，较高的顺滑度和光泽度。所以热定型的工作温度优选为110-130℃。
实施例2
一种基于PEGT的快速成型假发纤维：
(1)按重量百分比为：取原料PETG-A 85％，阻燃剂5％，抗菌剂3％，染色剂1％，添加剂4％，分散剂2％；
所述PETG-A的特性粘度为0.8；所述阻燃剂为溴化环氧树脂、聚硅硼氧烷、间苯二酚双(二苯磷酸酯)，重量比为4:2.8:3.2；所述抗菌剂为纳米银抗菌剂：壳寡糖：磷酸二氢铵：尼泊金乙酯，重量比2:1:4:0.2；所述添加剂为纳米碳酸钙和二氧化硅，质量比3:1；所述分散剂为亚乙基双硬脂酰胺；所述染色剂为棕色色母粒；
(2)将原料90℃温度下除湿干燥；除湿干燥总时间为6个小时，将原料的含水量控制在50ppm以下；
(3)将步骤(2)中干燥后的原料进行粉碎，粉碎后的原料粒径为300目，将粉碎后的原料投入到干粉造粒机中进行造粒后，得到基于PETG-A原料母粒；
(4)将原料母粒投入到单螺旋单螺杆挤出机，进行螺旋熔融挤出获得初生纤维，喷丝板的孔径为0.1mm，挤出机温度为180℃；
(5)采用环吹风方式对初生纤维进行冷却，风温为15℃；
(6)通过油辊对初生纤维进行上油(油剂为有机硅)，将上油处理后的初生纤维通过发用化纤生产线用低温丝牵伸装置进行拉伸，拉伸完成后获得丝束，通过收卷机对丝束进行收取，获得纤维丝辊，拉伸过程中的拉伸温度为150℃，转速为1200m/min，牵伸机的辊数为12辊，牵伸比为1.2倍；
(7)将纤维丝辊放入到集束架中，从集束架经过牵引辊使丝束进入到热定型箱内进行热定型工艺，热定型箱的长度为10米，热定型箱的工作温度为110-130℃，丝束的进给速度为35m/min，丝束在热定型箱内的停留时间为3分钟；
(8)热定型工艺完成以后，通过收丝机对进行收丝包装可得到基于PETG的快速成型假发纤维PETG-A-5。
实施例3
一种基于PEGT的快速成型假发纤维：
(1)按重量百分比为：取原料PETG-A 85％，阻燃剂5％，抗菌剂3％，染色剂1％，添加剂4％，分散剂2％；
所述PETG-A的特性粘度为0.8；所述阻燃剂为溴化环氧树脂和三聚氰胺：多聚磷酸酯(重量比1:1)，重量比4:7；所述抗菌剂为纳米银抗菌剂：壳寡糖：磷酸二氢铵：尼泊金乙酯，重量比2:1:4:0.2；所述添加剂为纳米碳酸钙和二氧化硅，质量比3:1；所述分散剂为亚乙基双硬脂酰胺；所述染色剂为棕色色母粒；
(2)将原料80℃温度下除湿干燥；除湿干燥总时间为8个小时，将原料的含 水量控制在50ppm以下；
(3)将步骤(2)中干燥后的原料进行粉碎，粉碎后的原料粒径为260目，将粉碎后的原料投入到干粉造粒机中进行造粒后，得到基于PETG-A原料母粒；
(4)将原料母粒投入到单螺旋单螺杆挤出机，进行螺旋熔融挤出获得初生纤维，喷丝板的孔径为0.6mm，挤出机温度为240℃；
(5)采用环吹风方式对初生纤维进行冷却，风温为0℃；
(6)通过油辊对初生纤维进行上油(油剂为有机硅)，将上油处理后的初生纤维通过发用化纤生产线用低温丝牵伸装置进行拉伸，拉伸完成后获得丝束，通过收卷机对丝束进行收取，获得纤维丝辊，拉伸过程中的拉伸温度为120℃，转速为600m/min，牵伸机的辊数为8辊，牵伸比为3.2倍；
(7)将纤维丝辊放入到集束架中，从集束架经过牵引辊使丝束进入到热定型箱内进行热定型工艺，热定型箱的长度为18米，热定型箱的工作温度为110-130℃，丝束的进给速度为30m/min，丝束在热定型箱内的停留时间为6分钟；
(8)热定型工艺完成以后，通过收丝机对进行收丝包装可得到基于PETG的快速成型假发纤维PETG-A-6。
实施例4
一种基于PEGT的快速成型假发纤维：
按重量百分比为：取原料PETG-A 95％，阻燃剂2.8％，抗菌剂1.4％，染色剂0.2％，添加剂0.4％，分散剂0.2％；
所述PETG-A的特性粘度为0.8；所述阻燃剂为溴化环氧树脂和三聚氰胺：多聚磷酸酯(重量比1:1)，重量比4:7；所述抗菌剂为纳米银抗菌剂：壳寡糖：磷酸二氢铵：尼泊金乙酯，重量比2:1:4:0.2；所述添加剂为纳米碳酸钙和二氧化硅，质量比3:1；所述分散剂为亚乙基双硬脂酰胺；所述染色剂为棕色色母粒；
其余步骤与实施例1中步骤(2)至(8)相同，得到基于PETG的快速成型假发纤维PETG-A-7。
实施例5
一种基于PEGT的快速成型假发纤维：
按重量百分比为：取原料PETG-B 65％，阻燃剂15％，抗菌剂9％，染色剂3％，添加剂5％，分散剂3％；
所述PETG-B的特性粘度为1.0；所述阻燃剂为溴化环氧树脂、聚硅硼氧烷、间苯二酚双(二苯磷酸酯)，重量比为4:2.8:3.2；所述抗菌剂为纳米银抗菌剂：壳寡糖：磷酸二氢铵：尼泊金乙酯，重量比2:1:4:0.2；所述添加剂为纳米碳酸钙和二氧化硅，质量比3:1；所述分散剂为亚乙基双硬脂酰胺；所述染色剂为棕色色母粒；
其余步骤与实施例2中步骤(2)至(8)相同，得到基于PETG的快速成型假发纤维PETG-B-1。
实施例6
一种基于PEGT的快速成型假发纤维：
按重量百分比为：取原料PETG-C65％，阻燃剂15％，抗菌剂9％，染色剂3％，添加剂5％，分散剂3％；
所述PETG-C的特性粘度为1.1；所述阻燃剂为溴化环氧树脂、聚硅硼氧烷、间苯二酚双(二苯磷酸酯)，重量比为4:2.8:3.2；所述抗菌剂为纳米银抗菌剂：壳寡糖：磷酸二氢铵：尼泊金乙酯，重量比2:1:4:0.2；所述添加剂为纳米碳酸钙和二氧化硅，质量比3:1；所述分散剂为亚乙基双硬脂酰胺；所述染色剂为棕色色母粒；
其余步骤与实施例3中步骤(2)至(8)相同，得到基于PETG的快速成型假发纤维PETG-C-1。
实施例7
一种基于PEGT的快速成型假发纤维：
按重量百分比为：取原料PETG-D 65％，阻燃剂15％，抗菌剂9％，染色剂3％，添加剂5％，分散剂3％；
所述PETG-D的特性粘度为0.9；所述阻燃剂为溴化环氧树脂、聚硅硼氧烷、间苯二酚双(二苯磷酸酯)，重量比为4:2.8:3.2；所述抗菌剂为纳米银抗菌剂：壳寡糖：磷酸二氢铵：尼泊金乙酯，重量比2:1:4:0.2；所述添加剂为纳米碳酸钙和二氧化硅，质量比3:1；所述分散剂为亚乙基双硬脂酰胺；所述染色剂为棕色色母粒；
其余步骤与实施例3中步骤(2)至(8)相同，得到基于PETG的快速成型假发纤维PETG-D-1。
实施例8
一种基于PEGT的快速成型假发纤维：
按重量百分比为：取原料PETG-A 45％，PETG-B 25％，阻燃剂15％，抗菌剂 9％，染色剂3％，添加剂5％，分散剂3％；
所述PETG-A和PETG-B的特性粘度为分别为0.7和1.0；所述阻燃剂为溴化环氧树脂、聚硅硼氧烷、间苯二酚双(二苯磷酸酯)，重量比为4:2.8:3.2；所述抗菌剂为壳纳米银抗菌剂：壳寡糖：磷酸二氢铵：尼泊金乙酯，重量比2:1:4:0.2；所述添加剂为纳米碳酸钙和二氧化硅，质量比3:1；所述分散剂为亚乙基双硬脂酰胺；所述染色剂为棕色色母粒；
其余步骤与实施例3中步骤(2)至(8)相同，得到基于PETG的快速成型假发纤维PETG-A&B。
实施例9
一种基于PEGT的快速成型假发纤维：
按重量百分比为：取原料PETG-A 35％，PETG-C 30％，阻燃剂15％，抗菌剂9％，染色剂3％，添加剂5％，分散剂3％；
所述PETG-A和PETG-C的特性粘度为分别为0.7和1.1；所述阻燃剂为溴化环氧树脂、聚硅硼氧烷、间苯二酚双(二苯磷酸酯)，重量比为4:2.8:3.2；所述抗菌剂为纳米银抗菌剂：壳寡糖：磷酸二氢铵：尼泊金乙酯，重量比2:1:4:0.2；所述添加剂为纳米碳酸钙和二氧化硅，质量比3:1；所述分散剂为亚乙基双硬脂酰胺；所述染色剂为棕色色母粒；
其余步骤与实施例3中步骤(2)至(8)相同，得到基于PETG的快速成型假发纤维PETG-A&C。
实施例10
一种基于PEGT的快速成型假发纤维：
按重量百分比为：取原料PETG-A 35％，PETG-D 30％，阻燃剂15％，抗菌剂9％，染色剂3％，添加剂5％，分散剂3％；
所述PETG-A和PETG-D的特性粘度为分别为0.7和0.9；所述阻燃剂为溴化环氧树脂、聚硅硼氧烷、间苯二酚双(二苯磷酸酯)，重量比为4:2.8:3.2；所述抗菌剂为纳米银抗菌剂：壳寡糖：磷酸二氢铵：尼泊金乙酯，重量比2:1:4:0.2；所述添加剂为纳米碳酸钙和二氧化硅，质量比3:1；所述分散剂为亚乙基双硬脂酰胺；所述染色剂为棕色色母粒；
其余步骤与实施例3中步骤(2)至(8)相同，得到基于PETG的快速成型 假发纤维PETG-A&D。
对比例1-3
在配方中不加入阻燃剂和抗菌剂，其余分别与实施例1-3相同。实施例1-3与对比例1-3制得的假发纤维的力学性能见表1。
对比例4-6
在配方中不加入阻燃剂，其余分别与实施例1-3相同。实施例1-5与对比例4-6制得的假发纤维的力学性能见表1。
对比例7-9
在配方中不加入抗菌剂，其余分别与实施例1-3相同。实施例1-3与对比例7-9制得的假发纤维的力学性能见表1。
表1
Figure PCTCN2021089768-appb-000002
由表1可知，本发明通过选择合理的组分及配比，制得的假发纤维具备极好的力学性能，阻燃剂和抗菌剂的共同加入和单独加入没有造成假发纤维断裂强度降低的现象。实施例1-5所得的基于PETG假发纤维在UL-94垂直燃烧测试方法下达到V-0，V-1级别；在燃烛试验测定下极限氧指数可达到26～34％，属于难燃 材料，丝束在点燃10秒后，火焰60秒内熄灭，无滴落物生成。说明所得的基于PETG假发纤维具备良好的阻燃性能。
实施例1-9得的基于PETG假发纤维进行抗菌实验测试，各个实施例产品对金黄色葡萄球菌、大肠杆菌及表皮癣菌的抑菌率均在98％以上，说明所得的基于PETG假发纤维具备优异的抗菌性能。

Claims (10)

  1. 一种基于PETG的快速成型假发纤维，其特征在于：包括以下重量配比的组分：PETG 65-95％，阻燃剂2.8-15％，抗菌剂1.4-9％，染色剂0.2-3％，添加剂0.4-5％，分散剂0.2-3％。
  2. 一种基于PEGT的快速成型假发纤维的制备工艺，其特征步骤在于包括以下步骤：
    (1)按照重量份数取原材料，PETG 65-95％，阻燃剂2.8-15％，抗菌剂1.4-9％，染色剂0.2-3％，添加剂0.4-5％，分散剂0.2-3％，将原料依次在70-80℃温度下除湿干燥；除湿干燥总时间为6-9个小时，将原料的含水量控制在50ppm以下；
    (2)将步骤(1)中干燥后的原料进行粉碎，粉碎后的原料粒径为200-300目，将粉碎后的原料投入到干粉造粒机中进行造粒后，得到原料母粒；
    (3)将原料母粒投入到单螺旋单螺杆挤出机，进行螺旋熔融挤出获得初生纤维，喷丝板的孔径为0.1-0.8mm，挤出机温度为180-300℃；
    (4)采用1-5米的环吹风或测吹风方式对初生纤维进行冷却，风温为-5-15℃；
    (5)通过油辊对初生纤维进行上油，将上油处理后的初生纤维通过发用化纤生产线用低温丝牵伸装置进行牵伸，牵伸完成后获得丝束，通过收卷机对丝束进行收取，获得纤维丝辊，拉伸过程中的拉伸温度为90-150℃，纺丝速度为400m/min-1200m/min；
    (6)将纤维丝辊放入到集束架中，从集束架经过牵引辊使丝束进入到热定型箱内进行热定型工艺，热定型箱的长度为2-18米，热定型箱的工作温度为110-250℃，丝束的进给速度为15m/min-35m/min，丝束在热定型箱内的停留时间为3-25分钟；
    (7)热定型工艺完成以后，通过收丝机对进行收丝包装可得到所述的基于PETG的快速成型假发纤维。
  3. 根据权利要求1所述的一种基于PEGT的快速成型假发纤维，其特征在于：PEGT为特性粘度为0.7-1.1的PETG-A、PETG-B、PETG-C、PETG-D中的一种或多种。
  4. 根据权利要求1所述的一种基于PEGT的快速成型假发纤维，其特征在于：阻燃剂为溴化环氧树脂、聚硅硼氧烷、间苯二酚双(二苯磷酸酯)、三聚氰胺：多聚磷酸酯(重量比1:1)中的一种或多种。
  5. 根据权利要求1所述的一种基于PEGT的快速成型假发纤维，其特征在于：抗菌剂为纳米银抗菌剂：壳寡糖：磷酸二氢铵：尼泊金乙酯重量比2-6:1-3:4-6:0.2-1。
  6. 根据权利要求1所述的一种基于PEGT的快速成型假发纤维，其特征在于：染色剂为色粉、颜料、色母粒中的一种或多种。
  7. 根据权利要求1所述的一种基于PEGT的快速成型假发纤维，其特征在于：添加剂为纳米碳酸钙、二氧化硅、滑石粉、硅微粉、二氧化钛、玻璃微珠中的一种或多种。
  8. 根据权利要求1所述的一种基于PEGT的快速成型假发纤维，其特征在于：分散剂为亚乙基双硬脂酰胺、硬脂酸钡中的一种。
  9. 根据权利要求2所述的一种基于PEGT的快速成型假发纤维的制备工艺，其特征在于：所述步骤(5)中上油采用的油剂为聚醚系聚合物、脂肪酸系聚合物、有机胺盐系化合物、有机硅中的一种或多种。
  10. 根据权利要求2所述的一种基于PEGT的快速成型假发纤维的制备工艺，其特征在于：所述步骤(5)中牵伸机的辊数为5-12辊，牵伸比为1.2-4.5倍。
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