CN115341291A - Preparation method of colored micro-dull high-strength polyester industrial yarn - Google Patents
Preparation method of colored micro-dull high-strength polyester industrial yarn Download PDFInfo
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- CN115341291A CN115341291A CN202211023405.8A CN202211023405A CN115341291A CN 115341291 A CN115341291 A CN 115341291A CN 202211023405 A CN202211023405 A CN 202211023405A CN 115341291 A CN115341291 A CN 115341291A
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- 229920000728 polyester Polymers 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000004595 color masterbatch Substances 0.000 claims abstract description 36
- 238000001816 cooling Methods 0.000 claims abstract description 26
- 230000008033 biological extinction Effects 0.000 claims abstract description 24
- 238000002844 melting Methods 0.000 claims abstract description 17
- 230000008018 melting Effects 0.000 claims abstract description 17
- 238000001035 drying Methods 0.000 claims abstract description 16
- 238000001125 extrusion Methods 0.000 claims abstract description 11
- 238000010583 slow cooling Methods 0.000 claims abstract description 11
- 238000004804 winding Methods 0.000 claims abstract description 11
- 238000007664 blowing Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000007493 shaping process Methods 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 18
- 239000000155 melt Substances 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 14
- 238000009987 spinning Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 12
- 230000003044 adaptive effect Effects 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 description 7
- 239000003086 colorant Substances 0.000 description 4
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 3
- 235000011613 Pinus brutia Nutrition 0.000 description 3
- 241000018646 Pinus brutia Species 0.000 description 3
- 229920004933 Terylene® Polymers 0.000 description 3
- 238000004043 dyeing Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- 239000002932 luster Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005517 mercerization Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006750 UV protection Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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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
- 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
- D01F1/04—Pigments
-
- 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
- D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
-
- 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
- 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
- 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
-
- 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
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
- D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
- D02J1/08—Interlacing constituent filaments without breakage thereof, e.g. by use of turbulent air streams
-
- 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
- D10B2401/22—Physical properties protective against sunlight or UV radiation
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Artificial Filaments (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention relates to a preparation method of colored micro-dull high-strength polyester industrial yarn, which comprises the steps of color master batch drying, color master batch and dull slice batching, extrusion melting, metering, slow cooling, side air-blowing cooling, oiling, five-pair-roller stretching and shaping, netting and winding forming. The finished product prepared by the method has high strength, bright color and good extinction property.
Description
Technical Field
The invention belongs to the technical field of polyester filament yarn production, and particularly relates to a preparation method of colored micro-dull high-strength polyester industrial yarn.
Background
China is a world large country for textile production and consumption, polyester (PET) is used as one of main raw materials of chemical fiber textiles, the total output of polyester chemical fibers reaches 4100 ten thousand tons in 2020, accounts for 69.4 percent of the total output of the global chemical fibers, and occupies an absolutely dominant position. PET materials are widely used in automotive interiors, household goods, construction and other industrial fields. The terylene has become the variety with the largest consumption in the aspect of textile application, and brings great convenience to the life of people, but the conventional terylene has regular shape, smooth surface and certain transparency, so that the intensity of reflected light is very high under the irradiation of light, the terylene has obvious reflection and flicker phenomena, the visual comfort of the fiber is not high, and the fiber luster becomes dark. In addition, most of colored delustering polyester fabrics in the prior art are dyed after polyester filaments are formed, so that the dyeing difficulty is high, the cost is high, and the polyester fabrics are not environment-friendly.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to overcome the defects in the prior art and provides a preparation method of colored micro-dull high-strength polyester industrial yarn with high finished product strength, bright color and good dulling property.
The technical scheme is as follows: in order to solve the technical problems, the preparation method of the colored micro-dull high-strength polyester industrial yarn comprises the steps of color master batch drying, color master batch and dull slice batching, extrusion melting, metering, slow cooling, side air blowing cooling, oiling, five-roller stretching and shaping, net knotting and winding forming;
drying the color master batch: baking in a baking oven for 10-15h at 90-110 ℃, and stirring once every 3-5 h;
the color master batch and the extinction slice are prepared by the following steps: weighing 25-35 KG/time under the control of a computer, metering a balance weight by a small screw rod, mixing color master batches accounting for 0.5-2% of the high-viscosity slices with the high-viscosity slices, mixing extinction slices accounting for 2.0-3.0% of the high-viscosity slices with the high-viscosity slices, stirring the mixed materials for 20-35 seconds/time, and putting the mixed materials into an intermediate bin;
the extrusion melting: adopting high-viscosity slices with the viscosity of 0.90-1.02, adding extinction slices accounting for 2.0-3.0% after drying and color master batches accounting for 0.5-2%, uniformly mixing, heating, extruding and melting by six regions of a screw, wherein the heating temperature of each region of the screw is 300-305 ℃, 295-300 ℃ in the second region, 294-298 ℃ in the third region, 275-285 ℃ in the fourth region, 275-285 ℃ in the fifth region and 275-285 ℃ in the sixth region, and cooling zone by zone;
the metering is as follows: controlling the temperature of the outlet melt to be less than 302 ℃ by adopting a metering pump with the speed of 20-30 cc/rpm;
the slow cooling is as follows: quantitatively feeding the melt to each spinning assembly by a metering pump, spraying the melt through a spinneret hole, and then heating and slowly cooling to 280-300 ℃;
and cooling by cross air blow: cooling the slowly cooled filament bundle by cold air uniformly blown out by a side blowing window with the height of 1.8 m to finish curing molding, wherein the air temperature is 18-20 ℃, the relative humidity is 75-85%, and the air speed is 0.5-0.6m/s;
oiling: passing through two oil nozzles, the oil agent is loose GXM-100, and the oil content is controlled to be 0.7-0.8%;
the five pairs of rollers are stretched and shaped: the oiled filament bundle is stretched and shaped through five pairs of rollers, wherein the first pair is a cold roller at the speed of 455-458 m/min, the second pair is a pre-stretching roller at the speed of 465-470 m/min and the temperature of 92-98 ℃, the third pair is a main stretching roller at the speed of 1750-1850 m/min and the temperature of 130-140 ℃, the fourth pair is a secondary stretching roller at the speed of 2750-2770 m/min and the temperature of 240-260 ℃, the fifth pair is a retracting roller at the speed of 2475-2480 m/min and the temperature of 245-255 ℃;
the network knot making: adopting an adaptive network device, wherein the pressure is 2.5-3.5bar, and the number of network points is 11/m;
and (3) winding and forming: and (3) preparing the colored micro-dull high-strength polyester industrial yarn by adopting an overfeed spinning mode and an overfeed rate of 3%.
Further, the color master batch is dried: baking in an oven for 12h at 100 ℃, and stirring once every 4 h;
the color master batch and the extinction slice are prepared by the following steps: weighing 30 KG/time under the control of a computer, metering a balance weight by a small screw rod, mixing a color master batch accounting for 1% of the high-viscosity slice and an extinction slice accounting for 2.5% of the high-viscosity slice, stirring the mixed materials for 30 seconds/time, and putting the mixed materials into an intermediate bin;
the extrusion melting: adopting high-viscosity slices with the viscosity of 0.95, adding extinction slices accounting for 2.5% after drying and color master batches accounting for 1%, uniformly mixing, heating, extruding and melting through six zones of a screw, wherein the heating temperature of each zone of the screw is 305 ℃, 298 ℃, 296 ℃ at three zones, 285 ℃ at four zones, 282 ℃ at five zones and 280 ℃ at six zones;
the measurement is as follows: controlling the outlet melt temperature to be less than 302 ℃ by adopting a metering pump with 20 cc/rpm;
and (3) slow cooling: quantitatively feeding the melt to each spinning assembly by a metering pump, spraying the melt through a spinneret orifice, and then heating and slowly cooling the melt to 300 ℃;
and cooling by cross air blow: cooling the slowly cooled tows by cold air uniformly blown out by a side air blowing window with the height of 1.8 m to finish curing molding, wherein the air temperature is 20 ℃, the relative humidity is 85%, and the air speed is 0.6m/s;
oiling: through two oil nozzles, the oil agent is the pine GXM-100, and the oil content is controlled to be 0.8%;
the five pairs of rollers are stretched and shaped: the oiled filament bundle is stretched and shaped by five pairs of rollers, wherein the first pair of rollers is a cold roller at a speed of 457 m/min, the second pair of rollers is pre-stretched at a speed of 469 m/min at a temperature of 95 ℃, the third pair of main stretching is at a speed of 1800 m/min at a temperature of 135 ℃, the fourth pair of rollers is secondary stretching at a speed of 2760 m/min at a temperature of 250 ℃, the fifth pair of rollers is a retraction roller at a speed of 2476 m/min at a temperature of 250 ℃;
the network knot making: an adaptive network device is adopted, the pressure is 3.5bar, and the number of network points is 11/m;
the winding forming: and (3) preparing the colored micro-dull high-strength polyester industrial yarn by adopting an overfeed spinning mode and an overfeed rate of 3%.
Further, the high-viscosity slice is a bright PET wet slice.
Has the advantages that: compared with the prior art, the invention has the following remarkable advantages: according to the invention, a trace of color master batch capable of selecting different colors is added, so that the polyester industrial yarn has rich colors, the surface of the industrial yarn is rough due to a trace of extinction slices, the drafting friction force is increased, the fiber oiling is facilitated, broken filaments and broken ends in the spinning and drafting processes are reduced, the spinnability of the slices is improved, the full-package rate and the dyeing uniformity of the spun filaments are high, more importantly, the mercerization of the polyester industrial yarn is softened, the anti-ultraviolet function is given to the polyester industrial yarn, the high added value of the polyester industrial yarn is improved, and the colored micro-extinction high-strength polyester industrial yarn has a good prospect and great profit in the market.
Drawings
FIG. 1 is a schematic flow diagram of the present invention.
Detailed Description
The invention is further described below with reference to the figures and examples.
Example 1
As shown in figure 1, the preparation method of the colored micro-dull high-strength polyester industrial yarn comprises the steps of color master batch drying, color master batch and dull slice batching, extrusion melting, metering, slow cooling, side air blowing cooling, oiling, five-roller stretching and shaping, net knotting and winding forming;
drying the color master batch: baking in an oven for 12h at 100 ℃, and stirring once every 4 h;
the color master batch and the extinction slice are prepared by the following steps: weighing 30 KG/time under the control of a computer, metering a balance weight by a small screw rod, mixing color master batches accounting for 1% of the high-viscosity slices and extinction slices accounting for 2.5% of the high-viscosity slices, stirring the mixed materials for 30 seconds/time, and putting the mixed materials into an intermediate bin;
the extrusion melting: adopting high-viscosity slices with the viscosity of 0.95, adding extinction slices accounting for 2.5% of the dried extinction slices and color master batches accounting for 1% of the dried extinction slices, uniformly mixing, heating, extruding and melting by six regions of a screw, wherein the heating temperature of each region of the screw is 305 ℃, 298 ℃, 296 ℃ of the first region, 285 ℃ of the fourth region, 282 ℃ of the fifth region and 280 ℃ of the sixth region;
the measurement is as follows: controlling the outlet melt temperature to be less than 302 ℃ by adopting a metering pump with 20 cc/rpm;
and (3) slow cooling: quantitatively feeding the melt to each spinning assembly by a metering pump, spraying the melt through a spinneret orifice, and then heating and slowly cooling the melt to 300 ℃;
and cooling by cross air blow: cooling the slowly cooled tows by cold air uniformly blown out by a side blowing window with the height of 1.8 m to finish curing and forming, wherein the air temperature is 20 ℃, the relative humidity is 85%, and the air speed is 0.6m/s;
oiling: through two oil nozzles, the oil agent is the pine GXM-100, and the oil content is controlled to be 0.8%;
the five pairs of rollers are stretched and shaped: the oiled filament bundle is stretched and shaped by five pairs of rollers, wherein the first pair of rollers is a cold roller at the speed of 457 m/min, the second pair of rollers is pre-stretched at the speed of 469 m/min at the temperature of 95 ℃, the third pair of main stretching at the speed of 1800 m/min at the temperature of 135 ℃, the fourth pair of rollers is secondary stretching at the speed of 2760 m/min at the temperature of 250 ℃, the fifth pair of rollers is a retraction roller at the speed of 2476 m/min at the temperature of 250 ℃;
the network knot making: an adaptive network device is adopted, the pressure is 3.5bar, and the number of network points is 11/m;
and (3) winding and forming: adopting an overfeeding spinning mode, wherein the overfeeding rate is 3 percent, and preparing the colored micro-dull high-strength polyester industrial yarn;
the high-viscosity slice is a bright PET wet slice.
Example 2
As shown in figure 1, the preparation method of the colored micro-dull high-strength polyester industrial yarn comprises the steps of color master batch drying, color master batch and dull slice batching, extrusion melting, metering, slow cooling, side-blowing cooling, oiling, five-pair-roller stretching and shaping, net knotting and winding forming;
drying the color master batch: baking in an oven for 14h at 95 ℃, and stirring once every 3 h;
the color master batch and the extinction slice are prepared by the following steps: weighing 25 KG/time under computer control, metering a balance weight by a small screw rod, mixing a color master batch accounting for 1.5% of the high-viscosity slice and an extinction slice accounting for 2.7% of the high-viscosity slice, mixing materials and stirring for 25 seconds/time, and putting the materials into an intermediate bin;
the extrusion melting: adopting high-viscosity slices with the viscosity of 0.98, adding extinction slices accounting for 2.7% after drying and color master batches accounting for 1.5% after drying, uniformly mixing, heating, extruding and melting through six regions of a screw, wherein the heating temperature of each region of the screw is 302 ℃, 299 ℃, 297 ℃ in three regions, 283 ℃ in four regions, 281 ℃ in five regions and 280 ℃ in six regions, and cooling the temperature zone by zone;
the measurement is as follows: controlling the outlet melt temperature to be less than 302 ℃ by adopting a metering pump with 25 cc/rpm;
the slow cooling is as follows: quantitatively feeding the melt to each spinning assembly by a metering pump, spraying the melt through a spinneret hole, and then heating and slowly cooling the melt to 290 ℃;
and cooling by cross air blow: cooling the slowly cooled tows by cold air uniformly blown out by a side blowing window with the height of 1.8 m to finish curing and forming, wherein the air temperature is 18 ℃, the relative humidity is 80%, and the air speed is 0.5m/s;
oiling: through two oil nozzles, the oil agent is the pine GXM-100, and the oil content is controlled to be 0.75 percent;
the five pairs of rollers are stretched and shaped: the oiled filament bundle is stretched and shaped by five pairs of rollers, wherein the first pair of rollers is a cold roller with the speed of 456 m/min, the second pair of rollers is a pre-stretching roller with the speed of 468 m/min and the temperature of 96 ℃, the third pair of main stretching rollers with the speed of 1790 m/min and the temperature of 138 ℃, the fourth pair of rollers is a secondary stretching roller with the speed of 2765 m/min and the temperature of 255 ℃, the fifth pair of rollers is a retraction roller with the speed of 2478 m/min and the temperature of 252 ℃;
the network knot making: an adaptive network device is adopted, the pressure is 3.0bar, and the number of network points is 11/m;
and (3) winding and forming: adopting an overfeeding spinning mode, wherein the overfeeding rate is 3 percent, and preparing the colored micro-dull high-strength polyester industrial yarn;
the high-viscosity slice is a bright PET wet slice.
According to the invention, a trace of color master batch capable of selecting different colors is added, so that the polyester industrial yarn has rich colors, the surface of the industrial yarn is rough due to a trace of extinction slices, the drafting friction force is increased, the fiber oiling is facilitated, broken filaments and broken ends in the spinning and drafting processes are reduced, the spinnability of the slices is improved, the full-package rate and the dyeing uniformity of the spun filaments are high, more importantly, the mercerization of the polyester industrial yarn is softened, the anti-ultraviolet function is given to the polyester industrial yarn, the high added value of the polyester industrial yarn is improved, and the colored micro-extinction high-strength polyester industrial yarn has a good prospect and great profit in the market.
The colored micro-dull fabric developed by the colored micro-dull polyester industrial yarn has high strength, soft luster, bright color and excellent ultraviolet resistance, and can be widely applied to the fields of automotive interiors, household articles, buildings and other industries.
The present invention provides a thought and a method, and a method and a way for implementing the technical scheme are many, the above is only a preferred embodiment of the present invention, it should be noted that, for a person skilled in the art, a plurality of improvements and modifications can be made without departing from the principle of the present invention, and the improvements and modifications should be regarded as the protection scope of the present invention, and each component not explicitly described in the embodiment can be implemented by the prior art.
Claims (3)
1. A preparation method of colored micro-dull high-strength polyester industrial yarn is characterized by comprising the following steps: the method comprises the steps of color master batch drying, color master batch and extinction slice batching, extrusion melting, metering, slow cooling, side-blown cooling, oiling, five-pair-roller stretching and shaping, net knotting and winding forming;
drying the color master batch: baking in an oven for 10-15h at 90-110 ℃, and stirring once every 3-5 h;
the color master batch and the extinction slice are prepared by the following steps: weighing 25-35 KG/time under the control of a computer, metering a balance weight by a small screw, mixing color master batch accounting for 0.5-2% of the high-viscosity slice and extinction slice accounting for 2.0-3.0% of the high-viscosity slice, stirring the mixed materials for 20-35 seconds/time, and putting the mixed materials into an intermediate bin;
the extrusion melting: adopting high-viscosity slices with the viscosity of 0.90-1.02, adding extinction slices accounting for 2.0-3.0% after drying and color master batches accounting for 0.5-2%, uniformly mixing, heating, extruding and melting by six regions of a screw, wherein the heating temperature of each region of the screw is 300-305 ℃, 295-300 ℃ in the second region, 294-298 ℃ in the third region, 275-285 ℃ in the fourth region, 275-285 ℃ in the fifth region and 275-285 ℃ in the sixth region, and cooling zone by zone;
the measurement is as follows: controlling the temperature of the outlet melt to be lower than 302 ℃ by adopting a metering pump with the speed of 20-30 cc/rpm;
and (3) slow cooling: quantitatively feeding the melt to each spinning assembly by a metering pump, spraying the melt through a spinneret hole, and then heating and slowly cooling to 280-300 ℃;
and cooling by cross air blow: cooling the slowly cooled filament bundle by cold air uniformly blown out by a side air blowing window with the height of 1.8 m to finish curing molding, wherein the air temperature is 18-20 ℃, the relative humidity is 75-85%, and the air speed is 0.5-0.6m/s;
oiling: passing through two oil nozzles, the oil agent is loose GXM-100, and the oil content is controlled to be 0.7-0.8%;
the five pairs of rollers are stretched and shaped: the oiled filament bundle is stretched and shaped through five pairs of rollers, wherein the first pair is a cold roller at the speed of 455-458 m/min, the second pair is a pre-stretching roller at the speed of 465-470 m/min and the temperature of 92-98 ℃, the third pair is a main stretching roller at the speed of 1750-1850 m/min and the temperature of 130-140 ℃, the fourth pair is a secondary stretching roller at the speed of 2750-2770 m/min and the temperature of 240-260 ℃, the fifth pair is a retracting roller at the speed of 2475-2480 m/min and the temperature of 245-255 ℃;
the network knot making: adopting an adaptive network device, wherein the pressure is 2.5-3.5bar, and the number of network points is 11/m;
and (3) winding and forming: and (3) preparing the colored micro-dull high-strength polyester industrial yarn by adopting an overfeed spinning mode and an overfeed rate of 3%.
2. The preparation method of the colored micro-dull high-strength polyester industrial yarn according to claim 1, characterized by comprising the following steps: drying the color master batch: baking in an oven for 12h at 100 ℃, and stirring once every 4 h;
the color master batch and the extinction slice are prepared by the following steps: weighing 30 KG/time under the control of a computer, metering a balance weight by a small screw rod, mixing a color master batch accounting for 1% of the high-viscosity slice and an extinction slice accounting for 2.5% of the high-viscosity slice, stirring the mixed materials for 30 seconds/time, and putting the mixed materials into an intermediate bin;
the extrusion melting: adopting high-viscosity slices with the viscosity of 0.95, adding extinction slices accounting for 2.5% after drying and color master batches accounting for 1%, uniformly mixing, heating, extruding and melting through six zones of a screw, wherein the heating temperature of each zone of the screw is 305 ℃, 298 ℃, 296 ℃ at three zones, 285 ℃ at four zones, 282 ℃ at five zones and 280 ℃ at six zones;
the measurement is as follows: controlling the outlet melt temperature to be less than 302 ℃ by adopting a metering pump with 20 cc/rpm;
and (3) slow cooling: quantitatively feeding the melt to each spinning assembly by a metering pump, spraying the melt through holes of a spinneret plate, and then heating and slowly cooling to 300 ℃;
and cooling by cross air blow: cooling the slowly cooled tows by cold air uniformly blown out by a side blowing window with the height of 1.8 m to finish curing and forming, wherein the air temperature is 20 ℃, the relative humidity is 85%, and the air speed is 0.6m/s;
oiling: after passing through two oil nozzles, the oil agent is loose GXM-100, and the oil content is controlled to be 0.8%;
stretching and shaping by the five pairs of rollers: the oiled filament bundle is stretched and shaped by five pairs of rollers, wherein the first pair of rollers is a cold roller at the speed of 457 m/min, the second pair of rollers is pre-stretched at the speed of 469 m/min at the temperature of 95 ℃, the third pair of main stretching at the speed of 1800 m/min at the temperature of 135 ℃, the fourth pair of rollers is secondary stretching at the speed of 2760 m/min at the temperature of 250 ℃, the fifth pair of rollers is a retraction roller at the speed of 2476 m/min at the temperature of 250 ℃;
the network knot making: an adaptive network device is adopted, the pressure is 3.5bar, and the number of network points is 11/m;
the winding forming: and (3) preparing the colored micro-dull high-strength polyester industrial yarn by adopting an overfeed spinning mode and an overfeed rate of 3%.
3. The preparation method of the colored micro-dull high-strength polyester industrial yarn according to claim 1, characterized by comprising the following steps: the high-viscosity slice is a bright PET wet slice.
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| CN202211023405.8A CN115341291A (en) | 2022-08-25 | 2022-08-25 | Preparation method of colored micro-dull high-strength polyester industrial yarn |
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| CN202211023405.8A CN115341291A (en) | 2022-08-25 | 2022-08-25 | Preparation method of colored micro-dull high-strength polyester industrial yarn |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211023405.8A Withdrawn CN115341291A (en) | 2022-08-25 | 2022-08-25 | Preparation method of colored micro-dull high-strength polyester industrial yarn |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000040680A (en) * | 1998-12-19 | 2000-07-05 | 구광시 | Polyester resin composition and artificial wig filament containing it |
| CN102251308A (en) * | 2011-05-31 | 2011-11-23 | 太仓振辉化纤有限公司 | Method for preparing colored light-extinction polyester filament |
| CN107988646A (en) * | 2017-12-26 | 2018-05-04 | 中维化纤股份有限公司 | A kind of 66 industrial yarn of semi-dull polyamide fibre and preparation method thereof |
| CN108677269A (en) * | 2018-05-14 | 2018-10-19 | 无锡索力得科技发展有限公司 | A kind of production method of high-quality flame-resistant terylene industrial yarn |
| CN110565183A (en) * | 2018-06-05 | 2019-12-13 | 江苏天地化纤有限公司 | production process of polyester bright flat diamond yarn |
-
2022
- 2022-08-25 CN CN202211023405.8A patent/CN115341291A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000040680A (en) * | 1998-12-19 | 2000-07-05 | 구광시 | Polyester resin composition and artificial wig filament containing it |
| CN102251308A (en) * | 2011-05-31 | 2011-11-23 | 太仓振辉化纤有限公司 | Method for preparing colored light-extinction polyester filament |
| CN107988646A (en) * | 2017-12-26 | 2018-05-04 | 中维化纤股份有限公司 | A kind of 66 industrial yarn of semi-dull polyamide fibre and preparation method thereof |
| CN108677269A (en) * | 2018-05-14 | 2018-10-19 | 无锡索力得科技发展有限公司 | A kind of production method of high-quality flame-resistant terylene industrial yarn |
| CN110565183A (en) * | 2018-06-05 | 2019-12-13 | 江苏天地化纤有限公司 | production process of polyester bright flat diamond yarn |
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