CN115341288A - Short-process full-regeneration foam spinning process - Google Patents
Short-process full-regeneration foam spinning process Download PDFInfo
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- CN115341288A CN115341288A CN202210957081.9A CN202210957081A CN115341288A CN 115341288 A CN115341288 A CN 115341288A CN 202210957081 A CN202210957081 A CN 202210957081A CN 115341288 A CN115341288 A CN 115341288A
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- 238000009987 spinning Methods 0.000 title claims abstract description 51
- 239000006260 foam Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000011069 regeneration method Methods 0.000 title claims abstract description 17
- 239000000835 fiber Substances 0.000 claims abstract description 46
- 229920002334 Spandex Polymers 0.000 claims abstract description 33
- 239000004759 spandex Substances 0.000 claims abstract description 33
- 239000004595 color masterbatch Substances 0.000 claims abstract description 10
- 229920000728 polyester Polymers 0.000 claims description 44
- 239000002699 waste material Substances 0.000 claims description 43
- 239000000463 material Substances 0.000 claims description 24
- 238000002844 melting Methods 0.000 claims description 20
- 230000008018 melting Effects 0.000 claims description 20
- 239000002245 particle Substances 0.000 claims description 18
- 239000006261 foam material Substances 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 13
- 239000004033 plastic Substances 0.000 claims description 12
- 238000005520 cutting process Methods 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000011084 recovery Methods 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 239000011553 magnetic fluid Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims 4
- 230000000694 effects Effects 0.000 abstract description 10
- 239000004744 fabric Substances 0.000 abstract description 6
- 229920004933 Terylene® Polymers 0.000 abstract description 5
- 239000005020 polyethylene terephthalate Substances 0.000 abstract description 5
- 238000004040 coloring Methods 0.000 abstract description 4
- 238000002360 preparation method Methods 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 description 7
- 238000005086 pumping Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 2
- 229920006052 Chinlon® Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- D01D13/00—Complete machines for producing artificial threads
- D01D13/02—Elements of machines in combination
-
- 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
- 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
- D01F1/06—Dyes
-
- 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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
Landscapes
- 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)
- Artificial Filaments (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention discloses a short-process full-regeneration foam spinning process, which belongs to the technical field of fiber preparation and solves the problems of multiple processes, poor fabric performance and poor coloring effect in the prior art. According to the invention, a double-screw extruder is used for replacing single-screw spinning, so that a drum process on the traditional spinning process flow is reduced, the flow is greatly shortened, fibers of two fiber numbers of terylene and spandex are stably mixed and intertwined, the terylene generates a three-dimensional curling effect by utilizing the excellent resilience of the spandex, the fabric performance is improved, the foam and the color master batch are uniformly mixed, the color master batch is uniformly distributed in the mixed fiber, and the coloring effect is improved.
Description
Technical Field
The invention belongs to the technical field of fiber preparation, and particularly relates to a short-process full-regeneration foam spinning process.
Background
The non-woven material is different from the traditional textile, and is a fiber aggregate directly formed by fiber raw materials, and in the fiber raw materials used in the non-woven industry, the specific gravity of chemical fibers is increased to about 90 percent, and the chemical fibers mainly comprise terylene, polypropylene fiber, chinlon, viscose, hot melt fiber and the like. According to the using function of the non-woven material, the matching combination and complementary advantages of fibers with different fiber numbers, different lengths, different crimpness degrees, different section shapes and different surface properties are selected, and unexpected effects can be achieved. The commonly used method is to adopt the matching use of different fiber raw materials or the matching use of raw materials with different fiber numbers of the same fiber, so as to improve the performance, the quality and the price of the non-woven material. Most of the existing polyester spinning has the problems that after waste materials are collected, the waste materials are washed, dried by a rotary drum and finally melted, drawn and stretched, and the spinning temperature needs to be close to the melting point temperature of raw materials, so that the viscosity of the raw materials cannot be degraded, the rotary drum needs to be carried out for multiple times, the working procedures are increased, and the time consumption is prolonged.
Disclosure of Invention
The invention aims to provide a short-flow full-regeneration foam spinning process with less working procedures, excellent fabric performance and good coloring effect aiming at the defects in the prior art.
In order to realize the technical purpose, the short-flow full-regeneration foam spinning process adopts the technical scheme that:
a short-process full-regeneration foam spinning process comprises the following steps:
s1, collecting polyester waste, crushing and cutting the polyester waste into particles, and cleaning the particles for later use;
s2, adding 79-99 parts of polyester particles, 5-15 parts of colored foam and 5-15 parts of color master batch into a stirring bin according to the parts by weight, uniformly mixing and stirring, conveying the mixture to a spinning bin through a heating auger, conveying the mixture to a double-screw extruder through a feeding system, performing vacuum melting, filtering, allowing the mixture to enter a spinning box body, spraying a filament body from a spinneret plate, wrapping 15-20 parts of spandex fiber through a magnetic fluid device, and cooling and oiling the mixed filament body;
and S3, gathering the mixed filaments into tows to form primary fibers, obtaining drawn yarns through a drawing device, and then sequentially curling, drying, loosening and shaping, cutting and packing to obtain the short-process fully-regenerated spinning.
Preferably, the waste polyester material in the step S1 is a waste plastic reclaimed material, the intrinsic viscosity of the waste polyester material is 0.6-0.8 dl/g, and the melting point of the waste polyester material is 255-260 ℃.
Preferably, the spandex fiber strength in step S2 is 1.56cN/detx or more, and the elongation at break is ≧ 480%.
Preferably, the colored foam material in the step S2 is a waste plastic reclaimed material, the intrinsic viscosity of the colored foam material is 0.5-0.65 dl/g, and the melting point of the colored foam material is 250-265 ℃.
Preferably, the magnetic fluid device in step S2 includes a spandex liquid outlet assembly disposed below the spinning manifold and a receiving assembly for guiding and winding spandex fibers on the surface of the polyester filament, the spandex liquid outlet assembly includes a spandex melt storage tank, a gas nozzle is disposed at the bottom of the storage tank, a nozzle hole at the top of the gas nozzle faces the spandex melt, the bottom of the gas nozzle is communicated with a gas supply source, the receiving assembly includes a turntable disposed above the spinning manifold, a micro motor for driving the turntable to rotate is disposed on the surface of the turntable, a magnet is disposed at the edge of the turntable, one end of the magnet is fixedly connected to the turntable, and the other end of the magnet extends downward.
Preferably, the magnet is a permanent magnet, and the gas supply source is a gas cylinder filled with high-pressure gas.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the double-screw extruder is used for replacing single-screw spinning, so that the drum process on the traditional spinning process flow is reduced, the raw material viscosity is degraded, the occupied space of equipment and the drying time of the drum each time are reduced, and the flow is greatly shortened; the terylene and the spandex fibers are stably mixed and intertwined, and the three-dimensional curling effect is generated by the terylene due to the excellent rebound resilience of the spandex, so that the fabric has smooth hand feeling, good drapability and good softness; before mixed spinning and stretching, the foam material and the color master batch are mixed uniformly, so that the color master batch is uniformly distributed in the mixed fiber, and the coloring effect is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure: 1. a stirring bin; 2. heating the auger; 3. a spinning bin; 4. a double screw extruder; 5. spinning manifold; 6. a storage tank; 7. a gas shower; 8. an air supply source; 9. a turntable; 10. a micro motor; 11. and a magnet.
Detailed Description
The invention will be further described with reference to the following drawings and detailed description:
as shown in figure 1, the short-process full-regeneration foam spinning process comprises the following steps:
s1, collecting polyester waste, crushing and cutting the polyester waste into particles, and cleaning the particles for later use;
s2, adding 79-99 parts of polyester particles, 5-15 parts of colored foam and 5-15 parts of color master batch into a stirring bin 1 according to parts by weight, uniformly mixing and stirring, conveying to a spinning bin 3 through a heating auger 2, conveying to a double-screw extruder 4 through a feeding system, vacuumizing for melting, filtering, allowing to enter a spinning box 5, ejecting a filament body from a spinneret plate, wrapping 15-20 parts of spandex fibers through a magnetofluid device, cooling and oiling the mixed filament body, wherein the magnetofluid device comprises a spandex liquid outlet assembly arranged below the spinning box 5 and a receiving assembly for guiding and wrapping the spandex fibers on the surface of the polyester filament body, the spandex liquid outlet assembly comprises a spandex melt storage tank 6, a gas nozzle 7 is arranged at the bottom of the storage tank 6, a nozzle at the top of the gas nozzle 7 is right opposite to the spandex melt, the bottom is communicated with a gas supply source 8, the receiving assembly comprises a turntable 9 arranged above the spinning box 5, a micro motor 10 for driving the turntable 9 to rotate is arranged on the surface, a magnet 11 is arranged at the edge of the turntable 9, one end of the magnet 11 is fixedly connected with the turntable 9, the other end of which extends downwards, the magnet 11 is a gas storage bottle filled with high-pressure gas;
and S3, gathering the mixed filaments into tows to form primary fibers, obtaining drawn yarns through a drawing device, and then sequentially curling, drying, loosening and shaping, cutting and packing to obtain the short-process fully-regenerated spinning.
The waste polyester material in the step S1 is a waste plastic recovery material, the intrinsic viscosity of the waste polyester material is 0.6-0.8 dl/g, and the melting point of the waste polyester material is 255-260 ℃.
The strength of the spandex fiber in the step S2 is more than or equal to 1.56cN/detx, and the breaking elongation is not less than 480%.
The colored foam material in the step S2 is a waste plastic reclaimed material, the intrinsic viscosity of the colored foam material is 0.5-0.65 dl/g, and the melting point of the colored foam material is 250-265 ℃.
In the invention, the double-screw extruder 4 has a strong shearing effect, so that the melting effect of the polyester melt can be enhanced, and entanglement among polyester fiber macromolecules can be effectively eliminated, so that polyester fiber molecular chains are uniformly dispersed in a solvent in a relatively free state, the fluidity is improved, and the drawing of the trickle of the polyester spinning solution and the orientation of molecules are facilitated. The spandex fiber is wrapped in the unidirectional single-layer spiral mode on the periphery of the polyester filament body, after external force is removed, the spandex fiber generates elastic recovery, the mixed filament bundle forms a three-dimensional curling effect, and finally the fabric has excellent hand feeling, is smooth and good in air permeability and drapability, and meanwhile has softness and elasticity, and the performance of the fabric is improved.
Example 1
A short-process full-regeneration foam spinning process comprises the following steps:
s1, collecting polyester waste, crushing and cutting the polyester waste into particles, and cleaning the particles for later use;
s2, adding 79 parts of polyester particles, 5 parts of colored foam and 5 parts of color master batch into a stirring bin according to the parts by weight, uniformly mixing and stirring, conveying the mixture to a spinning bin through a heating auger, conveying the mixture to a double-screw extruder through a feeding system, performing vacuum-pumping melting, filtering, allowing the mixture to enter a spinning box body, spraying a filament body through a spinneret plate, wrapping 15 parts of spandex fiber through a magnetic fluid device, and cooling and oiling the mixed filament body;
and S3, gathering the mixed filaments into tows to form primary fibers, obtaining drawn yarns through a drawing device, and then sequentially curling, drying, loosening and shaping, cutting and packing to obtain the short-process fully-regenerated spinning.
Wherein the polyester waste is a waste plastic recovery material, the intrinsic viscosity of the polyester waste is 0.6dl/g, the melting point is 255 ℃, the spandex fiber strength is more than 1.56cN/detx, the breaking elongation is not less than 480%, the colored foam material is a waste plastic recovery material, the intrinsic viscosity of the colored foam material is 0.5dl/g, and the melting point is 250 ℃.
Example 2
A short-process full-regeneration foam spinning process comprises the following steps:
s1, collecting polyester waste, crushing and cutting the polyester waste into particles, and cleaning the particles for later use;
s2, adding 99 parts of polyester particles, 15 parts of colored foam and 15 parts of color master batches into a stirring bin according to the weight parts, uniformly mixing and stirring, conveying the mixture to a spinning bin by a heating auger, conveying the mixture to a double-screw extruder by a feeding system, performing vacuum-pumping melting, filtering, allowing the mixture to enter a spinning box, spraying a filament from a spinneret plate, wrapping 15-20 parts of spandex fibers by a magnetofluid device, and cooling and oiling the mixed filament;
s3, the mixed filaments are gathered into tows to form primary fibers, the primary fibers are drawn by a drawing device to obtain drawn filaments, and then the drawn filaments are sequentially curled, dried, loosened and shaped, cut off and packaged to obtain the short-flow fully-regenerated spinning.
Wherein the polyester waste is a waste plastic recovery material, the intrinsic viscosity of the polyester waste is 0.8dl/g, the melting point of the polyester waste is 260 ℃, the spandex fiber strength is more than 1.56cN/detx, the breaking elongation is not less than 480%, the colored foam material is a waste plastic recovery material, the intrinsic viscosity of the colored foam material is 0.65dl/g, and the melting point of the colored foam material is 265 ℃.
Example 3
A short-process full-regeneration foam spinning process comprises the following steps:
s1, collecting polyester waste, crushing and cutting the polyester waste into particles, and cleaning the particles for later use;
s2, adding 89 parts of polyester particles, 10 parts of colored foam and 10 parts of color master batches into a stirring bin according to the weight parts, uniformly mixing and stirring, conveying the mixture to a spinning bin through a heating auger, conveying the mixture to a double-screw extruder through a feeding system, performing vacuum-pumping melting, filtering, allowing the mixture to enter a spinning box, spraying a filament from a spinneret plate, wrapping 18 parts of spandex fibers through a magnetic fluid device, and cooling and oiling the mixed filament;
s3, the mixed filaments are gathered into tows to form primary fibers, the primary fibers are drawn by a drawing device to obtain drawn filaments, and then the drawn filaments are sequentially curled, dried, loosened and shaped, cut off and packaged to obtain the short-flow fully-regenerated spinning.
Wherein the polyester waste is a waste plastic reclaimed material, the intrinsic viscosity of the polyester waste is 0.7dl/g, the melting point of the polyester waste is 258 ℃, the strength of spandex fiber is more than 1.56cN/detx, the elongation at break is not less than 480%, the colored foam is a waste plastic reclaimed material, the intrinsic viscosity of the colored foam is 0.58dl/g, and the melting point of the colored foam is 258 ℃.
Therefore, the invention is not to be limited to the specific embodiments, but rather, all equivalent changes and modifications in the shapes, structures, characteristics and spirit of the invention are intended to be included within the scope of the appended claims.
Claims (6)
1. A short-flow full-regeneration foam spinning process is characterized by comprising the following steps: the method comprises the following steps:
s1, collecting polyester waste, crushing and cutting the polyester waste into particles, and cleaning the particles for later use;
s2, adding 79-99 parts of polyester particles, 5-15 parts of colored foam and 5-15 parts of color master batch into a stirring bin according to the parts by weight, uniformly mixing and stirring, conveying the mixture to a spinning bin through a heating auger, conveying the mixture to a double-screw extruder through a feeding system, performing vacuum melting, filtering, allowing the mixture to enter a spinning box body, spraying a filament body from a spinneret plate, wrapping 15-20 parts of spandex fiber through a magnetic fluid device, and cooling and oiling the mixed filament body;
and S3, gathering the mixed filaments into tows to form primary fibers, obtaining drawn yarns through a drawing device, and then sequentially curling, drying, loosening and shaping, cutting and packing to obtain the short-process fully-regenerated spinning.
2. The short-process full-regeneration foam spinning process according to claim 1, which is characterized in that: the waste polyester material in the step S1 is a waste plastic recovery material, the intrinsic viscosity of the waste polyester material is 0.6-0.8 dl/g, and the melting point of the waste polyester material is 255-260 ℃.
3. The short-process full-regeneration foam spinning process according to claim 1, which is characterized in that: the strength of the spandex fiber in the step S2 is more than or equal to 1.56cN/detx, and the breaking elongation is not less than 480%.
4. The short-process full-regeneration foam spinning process according to claim 1, which is characterized in that: the colored foam material in the step S2 is a waste plastic reclaimed material, the intrinsic viscosity of the colored foam material is 0.5-0.65 dl/g, and the melting point of the colored foam material is 250-265 ℃.
5. The short-process full-regeneration foam spinning process according to claim 1, which is characterized in that: the magnetic fluid device in the step S2 comprises a spandex liquid outlet assembly arranged below the spinning manifold and a receiving assembly for guiding and winding spandex fibers on the surface of a polyester filament body, wherein the spandex liquid outlet assembly comprises a spandex melt storage tank, a gas spray nozzle is arranged at the bottom of the storage tank, spray holes in the top of the gas spray nozzle are right opposite to spandex melt, the bottom of the gas spray nozzle is communicated with a gas supply source, the receiving assembly comprises a turntable arranged above the spinning manifold, a micro motor for driving the turntable to rotate is arranged on the surface of the turntable, a magnet is arranged on the edge of the turntable, one end of the magnet is fixedly connected with the turntable, and the other end of the magnet extends downwards.
6. The short-process full-regeneration foam spinning process according to claim 5, which is characterized in that: the magnet is a permanent magnet, and the gas supply source is a gas storage bottle filled with high-pressure gas.
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| CN202210957081.9A CN115341288B (en) | 2022-08-10 | 2022-08-10 | Short-process full-regeneration foam spinning process |
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| CN202210957081.9A CN115341288B (en) | 2022-08-10 | 2022-08-10 | Short-process full-regeneration foam spinning process |
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Cited By (2)
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| CN116716674A (en) * | 2023-07-21 | 2023-09-08 | 广东秋盛资源股份有限公司 | Skin-friendly degradable polyester fiber and manufacturing method thereof |
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| CN115341288B (en) | 2024-04-30 |
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