CN118186617A - Regenerated colored polyester industrial yarn and processing technology thereof - Google Patents
Regenerated colored polyester industrial yarn and processing technology thereof Download PDFInfo
- Publication number
- CN118186617A CN118186617A CN202410272337.1A CN202410272337A CN118186617A CN 118186617 A CN118186617 A CN 118186617A CN 202410272337 A CN202410272337 A CN 202410272337A CN 118186617 A CN118186617 A CN 118186617A
- Authority
- CN
- China
- Prior art keywords
- polyester
- regenerated
- viscosity
- parts
- colored
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Artificial Filaments (AREA)
Abstract
The invention discloses a regenerated colored polyester industrial yarn and a processing technology thereof, which relate to the field of textile industry, wherein the regenerated colored polyester industrial yarn comprises the following components in parts by mass: 95-99 parts of regenerated high-viscosity polyester and 1-5 parts of color master batch; the regenerated high-viscosity polyester is regenerated high-viscosity polyester with the intrinsic viscosity of (0.90-1.00) dl/g; the industrial yarn obtained by the formula and the processing technology has good breaking tensile strength and good quality; the production raw materials are utilized, and the environment is protected and the cost is low.
Description
Technical Field
The invention relates to the textile field, in particular to regenerated colored polyester industrial yarns and a processing technology thereof.
Background
The polyester industrial yarn is a synthetic fiber, which is prepared from polyethylene terephthalate in polyester through the processes of polymerization, spinning, stretching and the like. The polyester industrial yarn has the following properties: 1. high toughness: the polyester industrial yarn has high strength and wear resistance and can bear large tensile force. 2. Excellent chemical resistance: the polyester industrial yarn has good corrosion resistance to various chemicals, and is not easy to be corroded by acid, alkali, solvent and the like. 3. Good heat resistance: the polyester industrial yarn can still keep stability at high temperature, and is not easy to melt or deform. 4. Good hygroscopicity: the terylene industrial yarn has lower water absorption and can rapidly discharge the water in the body. Polyester industrial yarns are widely used in various textile fields, such as clothing, household textiles, industrial cloths, ropes, canvases, and the like. Because of its high strength and wear resistance, polyester industrial yarns are also used in making durable products such as car seats, sports shoes, bags, and the like.
The market needs a regenerated colored polyester industrial yarn which has good breaking tensile strength, can be recycled, has good quality and is environment-friendly and low in cost, and the invention solves the problems.
Disclosure of Invention
In order to solve the defects of the prior art, the invention aims to provide the regenerated colored polyester industrial yarn and the processing technology thereof, wherein the polyester industrial yarn has good fracture resistance and tensile strength and good quality; the production raw materials are utilized, and the environment is protected and the cost is low.
In order to achieve the above object, the present invention adopts the following technical scheme:
the regenerated colored polyester industrial yarn comprises the following components in parts by mass: 95-99 parts of regenerated high-viscosity polyester and 1-5 parts of color master batch; the recycled high-viscosity polyester is a recycled high-viscosity polyester having an intrinsic viscosity of (0.90 to 1.00) dl/g.
The regenerated colored polyester industrial yarn comprises the following components in parts by mass: 98 parts of regenerated high-viscosity polyester and 3 parts of color master batch.
The regenerated colored polyester industrial yarn further comprises the following components in parts by mass: 95-99 parts of regenerated high-viscosity polyester, 1-5 parts of color master batch, 1-3 parts of oxidized polyethylene wax and 1-3 parts of nano magnesium hydroxide.
The regenerated colored polyester industrial yarn comprises the following components in parts by mass: 98 parts of regenerated high-viscosity polyester, 3 parts of masterbatch, 2 parts of oxidized polyethylene wax and 2 parts of nano magnesium hydroxide; the regenerated high-viscosity polyester is regenerated high-viscosity polyester with the intrinsic viscosity of (0.90-1.00) dl/g.
The regenerated colored polyester industrial yarn and the regenerated high-viscosity polyester are regenerated polyester bottle flakes.
The processing technology of the regenerated colored polyester industrial yarn comprises the following steps:
The preparation method comprises the following steps of: 95-99 parts of regenerated high-viscosity polyester and 1-5 parts of color master batch;
Step one, preparing regenerated polyester;
step two, preparing regenerated polyester into regenerated high-viscosity polyester with the intrinsic viscosity of (0.90-1.00) dl/g;
step three, preparing high-viscosity colored polyester;
extruding and melting, and cooling and oiling after spinning;
Step five, drafting and heat setting;
and step six, winding and forming to obtain the regenerated colored polyester industrial yarn.
The processing technology of the regenerated colored polyester industrial yarn comprises the following steps:
The preparation method comprises the following steps of: 95-99 parts of regenerated high-viscosity polyester bottle flakes and 1-5 parts of color master batch;
step one, preparing regenerated polyester bottle flakes: placing the recovered polyester bottles into cleaning equipment for first cleaning, removing label paper, bottle caps and impurities of the polyester bottles, manually selecting qualified polyester bottles from the polyester bottles after the first cleaning, and carrying out crushing, second cleaning, rinsing, dehydration and drying processes on the polyester bottles to obtain regenerated polyester bottle flakes;
Step two, solid phase tackifying: tackifying the regenerated polyester bottle flakes by a tackifying reactor to obtain regenerated high-viscosity polyester flakes with the intrinsic viscosity of (0.90-1.00) dl/g;
step three, preparing high-viscosity colored polyester chips: slicing the regenerated high-viscosity polyester into homochromatic master batches according to the proportion of 95-99:1-5, preferably 97-99:1-3, obtaining regenerated high-viscosity colored polyester chips;
Step four, multi-head spinning: conveying regenerated high-viscosity colored polyester chips to a screw extruder through a pipeline respectively, extruding and dispersing evenly melt by the screw extruder, filtering the melt by a metering pump metering and filtering system, spraying the melt by a spinneret plate, and cooling by side blowing and then bundling and oiling, wherein the temperature of a screw heating area (280-300) DEG C, the rotating speed of the metering pump (6.3-15.4) r/min and the oiling rate (0.5-1.0%) are adopted;
fifth, drafting and heat setting: carrying out two-stage stretching and two-stage relaxation heat setting on the filament bundle, wherein the first-stage stretching ratio is 3.9-4.4, and the stretching temperature is (120-130); the second-stage draft ratio is 1.3-1.4, the draft temperature is (200-240) DEG C, and the total draft ratio is 5.4-6.1; the relaxation heat setting temperature is 160-200 ℃, and the total relaxation ratio is 1-7%;
Step six, winding and forming: winding and shaping the drawn and heat-set fiber after network treatment, wherein a twin winding machine is adopted for winding, the network pressure is (1.1-2.5) Mpa, the winding speed is (2600-3000) m/min, and the regenerated colored polyester industrial yarn can be obtained through stranding and winding.
The processing technology of the regenerated colored polyester industrial yarn comprises the following steps:
The preparation method comprises the following steps of: 95-99 parts of regenerated high-viscosity polyester, 1-5 parts of color master batch, 1-3 parts of oxidized polyethylene wax and 1-3 parts of nano magnesium hydroxide;
Step one, preparing regenerated polyester;
step two, preparing regenerated polyester into regenerated high-viscosity polyester with the intrinsic viscosity of (0.90-1.00) dl/g;
step three, preparing high-viscosity colored polyester;
step four, crushing the high-viscosity colored polyester, stirring and mixing the crushed high-viscosity colored polyester with oxidized polyethylene wax and nano magnesium hydroxide, extruding and melting the crushed high-viscosity colored polyester, and cooling and oiling the crushed high-viscosity colored polyester after spinning;
Step five, drafting and heat setting;
and step six, winding and forming to obtain the regenerated colored polyester industrial yarn.
The processing technology of the regenerated colored polyester industrial yarn comprises the following steps:
The preparation method comprises the following steps of: 95-99 parts of regenerated high-viscosity polyester, 1-5 parts of color master batch, 1-3 parts of oxidized polyethylene wax and 1-3 parts of nano magnesium hydroxide;
step one, preparing regenerated polyester bottle flakes: placing the recovered polyester bottles into cleaning equipment for first cleaning, removing label paper, bottle caps and impurities of the polyester bottles, manually selecting qualified polyester bottles from the polyester bottles after the first cleaning, and carrying out crushing, second cleaning, rinsing, dehydration and drying processes on the polyester bottles to obtain regenerated polyester bottle flakes;
Step two, solid phase tackifying: tackifying the regenerated polyester bottle flakes by a tackifying reactor to obtain regenerated high-viscosity polyester flakes with the intrinsic viscosity of (0.90-1.00) dl/g;
step three, preparing high-viscosity colored polyester chips: slicing the regenerated high-viscosity polyester into homochromatic master batches according to the proportion of 95-99:1-5, preferably 97-99:1-3, obtaining regenerated high-viscosity colored polyester chips;
Step four, crushing the regenerated high-viscosity colored polyester chips, stirring and mixing the crushed high-viscosity colored polyester chips with oxidized polyethylene wax and nano magnesium hydroxide, conveying the mixture to a screw extruder through pipelines respectively, extruding and dispersing evenly melt by the screw extruder, metering the melt by a metering pump, filtering by a filtering system, spraying the melt by a spinneret plate, and bundling and oiling the melt after cooling by side blowing, wherein the temperature of a heating area of the screw (280-300) DEG C, the rotating speed of the metering pump (6.3-15.4) r/min and the oiling rate (0.5-1.0%) to obtain tows;
fifth, drafting and heat setting: carrying out two-stage stretching and two-stage relaxation heat setting on the filament bundle, wherein the first-stage stretching ratio is 3.9-4.4, and the stretching temperature is (120-130); the second-stage draft ratio is 1.3-1.4, the draft temperature is (200-240) DEG C, and the total draft ratio is 5.4-6.1; the relaxation heat setting temperature is 160-200 ℃, and the total relaxation ratio is 1-7%;
Step six, winding and forming: winding and shaping the drawn and heat-set fiber after network treatment, wherein a twin winding machine is adopted for winding, the network pressure is (1.1-2.5) Mpa, the winding speed is (2600-3000) m/min, and the regenerated colored polyester industrial yarn can be obtained through stranding and winding.
The invention has the advantages that:
according to the polyester industrial yarn, the oxidized polyethylene wax, the nano magnesium hydroxide and the high-viscosity polyester are cooperated, so that the prepared industrial yarn has good fracture tensile strength and good quality;
The production raw materials of the invention adopt polyester bottle flakes, waste is utilized, and the invention is environment-friendly and low in cost.
Detailed Description
The present invention is described below in detail by way of specific examples.
Example 1:
The preparation method comprises the following steps of: 9500g of regenerated high-viscosity polyester bottle flakes and 100g of color master batch;
step one, preparing regenerated polyester bottle flakes: placing the recovered polyester bottles into cleaning equipment for first cleaning, removing label paper, bottle caps and impurities of the polyester bottles, manually selecting qualified polyester bottles from the polyester bottles after the first cleaning, and carrying out crushing, second cleaning, rinsing, dehydration and drying processes on the polyester bottles to obtain regenerated polyester bottle flakes;
Step two, solid phase tackifying: tackifying the regenerated polyester bottle flakes obtained according to the step S1 by a tackifying reactor to obtain regenerated high-viscosity polyester flakes with the intrinsic viscosity of (0.90-1.00) dl/g;
Step three, preparing high-viscosity colored polyester chips: carrying out static mixing on the regenerated high-viscosity polyester slice masterbatch obtained in the step S2 to obtain a regenerated high-viscosity colored polyester slice;
Step four, multi-head spinning: conveying the regenerated high-viscosity colored polyester chips obtained in the step S3 to a screw extruder through a pipeline respectively, extruding and dispersing evenly melt by the screw extruder, metering the melt by a metering pump, filtering by a filtering system, spraying the melt by a spinneret plate, and cooling by side blowing air, bundling and oiling, wherein the temperature of a heating area of the screw is 280-300 ℃, the rotating speed of the metering pump is 6.3-15.4 r/min, and the oiling rate is 0.5-1.0%;
Fifth, drafting and heat setting: carrying out two-stage drafting, two-stage relaxation and heat setting on the silk bundle obtained in the step S4, wherein the first-stage drafting ratio is 3.9-4.4, and the drafting temperature is (120-130); the second-stage draft ratio is 1.3-1.4, the draft temperature is (200-240) DEG C, and the total draft ratio is 5.4-6.1; the relaxation heat setting temperature is 160-200 ℃, and the total relaxation ratio is 1-7%;
step six, winding and forming: and (3) carrying out network treatment on the fiber subjected to the drafting and heat setting in the step (S5), then carrying out winding forming, wherein a twin type winding machine is adopted for winding, the network pressure is (1.1-2.5) Mpa, the winding speed is (2600-3000) m/min, and the ply winding is carried out, so that the regenerated colored polyester industrial yarn sample 1 can be obtained.
Test sample 1 with GB16604 terylene industrial filament detection instrument, breaking strength of 8.9cN/dtex, elongation at break of 9.3%, elongation at 4.0cN/dtex load of 2.3%; the initial modulus was 112.5cN// dtex.
Example 2:
the preparation method comprises the following steps of: 9700g of regenerated high-viscosity polyester bottle flakes and 300g of color master batch; sample 2 was prepared according to the procedure for example 1.
Test sample 2 with GB16604 terylene industrial filament detection instrument, breaking strength of 9.1cN/dtex, elongation at break of 9.4%, elongation at 4.0cN/dtex load of 2.5%; initial modulus 113.2cN// dtex.
Example 3:
the preparation method comprises the following steps of: 9900g of regenerated high-viscosity polyester bottle flakes and 500g of color master batch; sample 3 was prepared according to the procedure for example 1.
Test sample 3 with GB16604 terylene industrial filament test instrument, wherein the breaking strength is 9.0cN/dtex, the breaking elongation is 9.1%, and the elongation under 4.0cN/dtex load is 2.1%; the initial modulus was 111.7cN// dtex.
Example 4:
The preparation method comprises the following steps of: 9700g of regenerated high-viscosity polyester bottle flakes, 300g of color master batch, 100g of oxidized polyethylene wax and 100g of nano magnesium hydroxide;
step one, preparing regenerated polyester bottle flakes: placing the recovered polyester bottles into cleaning equipment for first cleaning, removing label paper, bottle caps and impurities of the polyester bottles, manually selecting qualified polyester bottles from the polyester bottles after the first cleaning, and carrying out crushing, second cleaning, rinsing, dehydration and drying processes on the polyester bottles to obtain regenerated polyester bottle flakes;
Step two, solid phase tackifying: tackifying the regenerated polyester bottle flakes by a tackifying reactor to obtain regenerated high-viscosity polyester flakes with the intrinsic viscosity of (0.90-1.00) dl/g;
Step three, preparing high-viscosity colored polyester chips: static mixing is carried out on the regenerated high-viscosity polyester slice masterbatch to obtain a regenerated high-viscosity colored polyester slice;
Step four, crushing the regenerated high-viscosity colored polyester chips, stirring and mixing the crushed high-viscosity colored polyester chips with oxidized polyethylene wax and nano magnesium hydroxide, conveying the mixture to a screw extruder through pipelines respectively, extruding and dispersing evenly melt by the screw extruder, metering the melt by a metering pump, filtering by a filtering system, spraying the melt by a spinneret plate, and bundling and oiling the melt after cooling by side blowing, wherein the temperature of a heating area of the screw (280-300) DEG C, the rotating speed of the metering pump (6.3-15.4) r/min and the oiling rate (0.5-1.0%) to obtain tows;
fifth, drafting and heat setting: carrying out two-stage stretching and two-stage relaxation heat setting on the filament bundle, wherein the first-stage stretching ratio is 3.9-4.4, and the stretching temperature is (120-130); the second-stage draft ratio is 1.3-1.4, the draft temperature is (200-240) DEG C, and the total draft ratio is 5.4-6.1; the relaxation heat setting temperature is 160-200 ℃, and the total relaxation ratio is 1-7%;
Step six, winding and forming: winding and shaping the drawn and heat-set fiber after network treatment, wherein a twin winding machine is adopted for winding, the network pressure is (1.1-2.5) Mpa, the winding speed is (2600-3000) m/min, and the regenerated colored polyester industrial yarn can be obtained through stranding and winding.
Test sample 4 with GB16604 terylene industrial filament test instrument, breaking strength of 12.1cN/dtex, elongation at break of 10.3%, elongation under 4.0cN/dtex load of 4.2%; the initial modulus was 129.6cN// dtex.
Example 5:
The preparation method comprises the following steps of: 9700g of regenerated high-viscosity polyester bottle flakes, 300g of color master batch, 200g of oxidized polyethylene wax and 200g of nano magnesium hydroxide; sample 5 was prepared according to the procedure for example 4.
Test sample 5 with GB16604 terylene industrial filament detection instrument, wherein the breaking strength is 13.2cN/dtex, the breaking elongation is 11.6%, and the elongation under 4.0cN/dtex load is 2.6%; the initial modulus was 115.3cN// dtex.
Example 6:
the preparation method comprises the following steps of: 9700g of regenerated high-viscosity polyester bottle flakes, 300g of color master batch, 300g of oxidized polyethylene wax and 300g of nano magnesium hydroxide; sample 6 was prepared according to the procedure for example 4.
Test sample 6 with GB16604 terylene industrial filament test instrument, breaking strength of 12.7cN/dtex, elongation at break of 10.6%, elongation under 4.0cN/dtex load of 4.4%; the initial modulus was 125.8cN// dtex.
Comparative example 1:
the preparation method comprises the following steps of: 9700g of regenerated high-viscosity polyester bottle flakes, 300g of color master batch and 200g of nano magnesium hydroxide; comparative sample 1 was prepared according to the preparation method of example 4 with less oxidized polyethylene wax than sample 5.
Test sample 1 with GB16604 terylene industrial filament detection instrument, breaking strength of 9.0cN/dtex, elongation at break of 9.1%, elongation at 4.0cN/dtex load of 2.1%; initial modulus 113.8cN// dtex.
Comparative example 2:
the preparation method comprises the following steps of: 9700g of regenerated high-viscosity polyester bottle flakes, 300g of color master batch and 200g of oxidized polyethylene wax; comparative sample 1 was prepared according to the preparation method of example 4 with less nano magnesium hydroxide than sample 5.
Test sample 1 with GB16604 terylene industrial filament detection instrument, breaking strength of 9.3cN/dtex, elongation at break of 9.4%, elongation at 4.0cN/dtex load of 2.2%; the initial modulus is 118.1cN// dtex.
From the test results of examples 1 to 6, it can be seen that: the strength and toughness of the industrial yarn obtained by the formulation and the preparation method of the invention are good, and the test results of examples 4-6 and the comparison of examples 1-3 and comparative examples 1-2 show that: the strength and toughness of the industrial yarn added with the oxidized polyethylene wax and the nano magnesium hydroxide are greatly improved, obvious technical progress is shown, the oxidized polyethylene wax, the nano magnesium hydroxide and the high-viscosity polyester are cooperated, and the prepared industrial yarn has good breaking and tensile strength and good quality.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be appreciated by persons skilled in the art that the above embodiments are not intended to limit the invention in any way, and that all technical solutions obtained by means of equivalent substitutions or equivalent transformations fall within the scope of the invention.
Claims (9)
1. The regenerated colored polyester industrial yarn is characterized by comprising the following components in parts by mass: 95-99 parts of regenerated high-viscosity polyester and 1-5 parts of color master batch; the regenerated high-viscosity polyester is a regenerated high-viscosity polyester with an intrinsic viscosity of (0.90-1.00) dl/g.
2. The regenerated colored polyester industrial yarn according to claim 1, which comprises the following components in parts by mass: 98 parts of regenerated high-viscosity polyester and 3 parts of color master batch.
3. The regenerated colored polyester industrial yarn according to claim 1, further comprising, in parts by mass: 95-99 parts of regenerated high-viscosity polyester, 1-5 parts of color master batch, 1-3 parts of oxidized polyethylene wax and 1-3 parts of nano magnesium hydroxide.
4. The regenerated colored polyester industrial yarn according to claim 2, which comprises the following components in parts by mass: 98 parts of regenerated high-viscosity polyester, 3 parts of masterbatch, 2 parts of oxidized polyethylene wax and 2 parts of nano magnesium hydroxide; the regenerated high-viscosity polyester is regenerated high-viscosity polyester with the intrinsic viscosity of (0.90-1.00) dl/g.
5. The recycled colored polyester industrial yarn of any one of claims 1-4, wherein the recycled high-viscosity polyester is recycled polyester bottle flakes.
6. The processing technology of the regenerated colored polyester industrial yarn is characterized by comprising the following steps of:
The preparation method comprises the following steps of: 95-99 parts of regenerated high-viscosity polyester and 1-5 parts of color master batch;
Step one, preparing regenerated polyester;
step two, preparing regenerated polyester into regenerated high-viscosity polyester with the intrinsic viscosity of (0.90-1.00) dl/g;
step three, preparing high-viscosity colored polyester;
extruding and melting, and cooling and oiling after spinning;
Step five, drafting and heat setting;
and step six, winding and forming to obtain the regenerated colored polyester industrial yarn.
7. The process for producing regenerated colored polyester industrial yarn according to claim 6, comprising the steps of:
The preparation method comprises the following steps of: 95-99 parts of regenerated high-viscosity polyester bottle flakes and 1-5 parts of color master batch;
step one, preparing regenerated polyester bottle flakes: placing the recovered polyester bottles into cleaning equipment for first cleaning, removing label paper, bottle caps and impurities of the polyester bottles, manually selecting qualified polyester bottles from the polyester bottles after the first cleaning, and carrying out crushing, second cleaning, rinsing, dehydration and drying processes on the polyester bottles to obtain regenerated polyester bottle flakes;
Step two, solid phase tackifying: tackifying the regenerated polyester bottle flakes by a tackifying reactor to obtain regenerated high-viscosity polyester flakes with the intrinsic viscosity of (0.90-1.00) dl/g;
step three, preparing high-viscosity colored polyester chips: slicing the regenerated high-viscosity polyester into homochromatic master batches according to the proportion of 95-99:1-5, preferably 97-99:1-3, obtaining regenerated high-viscosity colored polyester chips;
Step four, multi-head spinning: conveying regenerated high-viscosity colored polyester chips to a screw extruder through a pipeline respectively, extruding and dispersing evenly melt by the screw extruder, filtering the melt by a metering pump metering and filtering system, spraying the melt by a spinneret plate, and cooling by side blowing and then bundling and oiling, wherein the temperature of a screw heating area (280-300) DEG C, the rotating speed of the metering pump (6.3-15.4) r/min and the oiling rate (0.5-1.0%) are adopted;
fifth, drafting and heat setting: carrying out two-stage stretching and two-stage relaxation heat setting on the filament bundle, wherein the first-stage stretching ratio is 3.9-4.4, and the stretching temperature is (120-130); the second-stage draft ratio is 1.3-1.4, the draft temperature is (200-240) DEG C, and the total draft ratio is 5.4-6.1; the relaxation heat setting temperature is 160-200 ℃, and the total relaxation ratio is 1-7%;
Step six, winding and forming: winding and shaping the drawn and heat-set fiber after network treatment, wherein a twin winding machine is adopted for winding, the network pressure is (1.1-2.5) Mpa, the winding speed is (2600-3000) m/min, and the regenerated colored polyester industrial yarn can be obtained through stranding and winding.
8. The processing technology of the regenerated colored polyester industrial yarn is characterized by comprising the following steps of:
The preparation method comprises the following steps of: 95-99 parts of regenerated high-viscosity polyester, 1-5 parts of color master batch, 1-3 parts of oxidized polyethylene wax and 1-3 parts of nano magnesium hydroxide;
Step one, preparing regenerated polyester;
step two, preparing regenerated polyester into regenerated high-viscosity polyester with the intrinsic viscosity of (0.90-1.00) dl/g;
step three, preparing high-viscosity colored polyester;
step four, crushing the high-viscosity colored polyester, stirring and mixing the crushed high-viscosity colored polyester with oxidized polyethylene wax and nano magnesium hydroxide, extruding and melting the crushed high-viscosity colored polyester, and cooling and oiling the crushed high-viscosity colored polyester after spinning;
Step five, drafting and heat setting;
and step six, winding and forming to obtain the regenerated colored polyester industrial yarn.
9. The process for producing regenerated colored polyester industrial yarn according to claim 8, comprising the steps of:
The preparation method comprises the following steps of: 95-99 parts of regenerated high-viscosity polyester, 1-5 parts of color master batch, 1-3 parts of oxidized polyethylene wax and 1-3 parts of nano magnesium hydroxide;
step one, preparing regenerated polyester bottle flakes: placing the recovered polyester bottles into cleaning equipment for first cleaning, removing label paper, bottle caps and impurities of the polyester bottles, manually selecting qualified polyester bottles from the polyester bottles after the first cleaning, and carrying out crushing, second cleaning, rinsing, dehydration and drying processes on the polyester bottles to obtain regenerated polyester bottle flakes;
Step two, solid phase tackifying: tackifying the regenerated polyester bottle flakes by a tackifying reactor to obtain regenerated high-viscosity polyester flakes with the intrinsic viscosity of (0.90-1.00) dl/g;
step three, preparing high-viscosity colored polyester chips: slicing the regenerated high-viscosity polyester into homochromatic master batches according to the proportion of 95-99:1-5, preferably 97-99:1-3, obtaining regenerated high-viscosity colored polyester chips;
Step four, crushing the regenerated high-viscosity colored polyester chips, stirring and mixing the crushed high-viscosity colored polyester chips with oxidized polyethylene wax and nano magnesium hydroxide, conveying the mixture to a screw extruder through pipelines respectively, extruding and dispersing evenly melt by the screw extruder, metering the melt by a metering pump, filtering by a filtering system, spraying the melt by a spinneret plate, and bundling and oiling the melt after cooling by side blowing, wherein the temperature of a heating area of the screw (280-300) DEG C, the rotating speed of the metering pump (6.3-15.4) r/min and the oiling rate (0.5-1.0%) to obtain tows;
fifth, drafting and heat setting: carrying out two-stage stretching and two-stage relaxation heat setting on the filament bundle, wherein the first-stage stretching ratio is 3.9-4.4, and the stretching temperature is (120-130); the second-stage draft ratio is 1.3-1.4, the draft temperature is (200-240) DEG C, and the total draft ratio is 5.4-6.1; the relaxation heat setting temperature is 160-200 ℃, and the total relaxation ratio is 1-7%;
Step six, winding and forming: winding and shaping the drawn and heat-set fiber after network treatment, wherein a twin winding machine is adopted for winding, the network pressure is (1.1-2.5) Mpa, the winding speed is (2600-3000) m/min, and the regenerated colored polyester industrial yarn can be obtained through stranding and winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410272337.1A CN118186617A (en) | 2024-03-11 | 2024-03-11 | Regenerated colored polyester industrial yarn and processing technology thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410272337.1A CN118186617A (en) | 2024-03-11 | 2024-03-11 | Regenerated colored polyester industrial yarn and processing technology thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118186617A true CN118186617A (en) | 2024-06-14 |
Family
ID=91408014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410272337.1A Pending CN118186617A (en) | 2024-03-11 | 2024-03-11 | Regenerated colored polyester industrial yarn and processing technology thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118186617A (en) |
-
2024
- 2024-03-11 CN CN202410272337.1A patent/CN118186617A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101956240B (en) | Method for producing terylen fibers from polyester waste | |
| US8366977B2 (en) | Process of making recycled polyamide yarn | |
| CN112501702B (en) | Functional polyamide 56 filament and preparation method thereof | |
| CN101195933B (en) | Preparation method of lyocell fiber for tire cord | |
| US20180002837A1 (en) | Technology for Recovery, Regeneration and Reuse of Soluble Textiles | |
| CN111005076A (en) | Spinning method of regenerated polyester full-dull FDY filament | |
| CN111691000B (en) | Method for preparing polyamide 56 industrial yarn by plasticizing and melting | |
| CN102797067A (en) | Preparation method of renewable polyester POY (Pre-oriented Yarn) color fibers | |
| CN112626626A (en) | Polyamide 56 filament one-step continuous forming and flexible deformation preparation process and equipment | |
| CN111691001A (en) | Preparation method of ionic liquid plasticized polyamide 56 industrial yarn | |
| US6194537B1 (en) | Nylon 6 chip and production of nylon 6 yarn and film and of further industrial articles from nylon 6 | |
| CN106868626A (en) | A kind of method using polylactic acid slice production coloured cut staple is regenerated | |
| CN114276676A (en) | Preparation method of high-strength nylon-6 master batch and method for preparing high-strength nylon-6 fiber | |
| CN112481715A (en) | Preparation method of regenerated colored polyester low stretch yarn | |
| WO2018043457A1 (en) | Recycled polyester fiber | |
| CN118186617A (en) | Regenerated colored polyester industrial yarn and processing technology thereof | |
| EP4353768A1 (en) | Polyamide resin and preparation method therefor, composition, and fiber product | |
| WO2021074753A1 (en) | A method of manufacturing polyester yarn from polyester waste | |
| CN106958048A (en) | A kind of high brightness nylon-6 fiber and preparation method thereof | |
| CN115302654A (en) | Granulation and spinning process of regenerated polyamide 6 | |
| CN108914228A (en) | Geotextile high mould flatness polyester industrial yarn and its production method | |
| CN115989122A (en) | Polyester recycling process | |
| CN104294385B (en) | Directly spin the manufacture craft of ring blowing 20D series terylene fully drawn yarn | |
| CN114230858B (en) | Ocean recovery fabric and preparation method thereof | |
| US20250051483A1 (en) | Cellulose carbamate polymer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |