CN111893598A - Preparation method of moisture-absorbing sweat-releasing antibacterial polyester fiber and fiber prepared by same - Google Patents
Preparation method of moisture-absorbing sweat-releasing antibacterial polyester fiber and fiber prepared by same Download PDFInfo
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- CN111893598A CN111893598A CN202010935256.7A CN202010935256A CN111893598A CN 111893598 A CN111893598 A CN 111893598A CN 202010935256 A CN202010935256 A CN 202010935256A CN 111893598 A CN111893598 A CN 111893598A
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- 229920000728 polyester Polymers 0.000 title claims abstract description 138
- 239000000835 fiber Substances 0.000 title claims abstract description 101
- 210000004243 sweat Anatomy 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title claims abstract description 39
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 38
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 97
- 239000000203 mixture Substances 0.000 claims abstract description 86
- 238000009987 spinning Methods 0.000 claims abstract description 43
- 238000002156 mixing Methods 0.000 claims abstract description 42
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 38
- 239000012744 reinforcing agent Substances 0.000 claims abstract description 36
- 238000001125 extrusion Methods 0.000 claims abstract description 35
- 239000000843 powder Substances 0.000 claims abstract description 33
- 239000003607 modifier Substances 0.000 claims abstract description 30
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 27
- 239000002994 raw material Substances 0.000 claims abstract description 26
- 238000003756 stirring Methods 0.000 claims abstract description 26
- 239000004014 plasticizer Substances 0.000 claims abstract description 24
- 229920004933 Terylene® Polymers 0.000 claims abstract description 17
- 239000005020 polyethylene terephthalate Substances 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 238000000227 grinding Methods 0.000 claims abstract description 10
- 238000004804 winding Methods 0.000 claims abstract description 10
- 239000002904 solvent Substances 0.000 claims abstract description 9
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 14
- 238000002844 melting Methods 0.000 claims description 11
- 230000008018 melting Effects 0.000 claims description 11
- 238000012681 fiber drawing Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 7
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims description 7
- 229930006000 Sucrose Natural products 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 7
- 239000008103 glucose Substances 0.000 claims description 7
- 229920001684 low density polyethylene Polymers 0.000 claims description 7
- 239000004702 low-density polyethylene Substances 0.000 claims description 7
- 239000004200 microcrystalline wax Substances 0.000 claims description 7
- 235000019808 microcrystalline wax Nutrition 0.000 claims description 7
- 239000005720 sucrose Substances 0.000 claims description 7
- 239000004408 titanium dioxide Substances 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- 125000001931 aliphatic group Chemical group 0.000 claims description 6
- 150000002148 esters Chemical class 0.000 claims description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 5
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 5
- 239000004927 clay Substances 0.000 claims description 5
- -1 phthalate ester Chemical class 0.000 claims description 5
- 239000000454 talc Substances 0.000 claims description 5
- 229910052623 talc Inorganic materials 0.000 claims description 5
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- 239000010452 phosphate Substances 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 6
- 229910021389 graphene Inorganic materials 0.000 abstract description 6
- 239000000654 additive Substances 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 239000006185 dispersion Substances 0.000 description 13
- 241001474374 Blennius Species 0.000 description 11
- 239000002131 composite material Substances 0.000 description 9
- 229920003023 plastic Polymers 0.000 description 9
- 239000004033 plastic Substances 0.000 description 9
- 239000000126 substance Substances 0.000 description 8
- 238000005054 agglomeration Methods 0.000 description 7
- 230000002776 aggregation Effects 0.000 description 7
- 229920013724 bio-based polymer Polymers 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- 150000003014 phosphoric acid esters Chemical class 0.000 description 3
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical class OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 3
- 229920002994 synthetic fiber Polymers 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000012209 synthetic fiber Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- JBIROUFYLSSYDX-UHFFFAOYSA-M benzododecinium chloride Chemical compound [Cl-].CCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 JBIROUFYLSSYDX-UHFFFAOYSA-M 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000012784 inorganic fiber Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000002557 mineral fiber Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000004597 plastic additive Substances 0.000 description 1
- 229920001013 poly(3-hydroxybutyrate-co-4-hydroxybutyrate) Polymers 0.000 description 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
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
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D4/00—Spinnerette packs; Cleaning thereof
- D01D4/02—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
-
- 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
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
- D01F1/103—Agents inhibiting growth of microorganisms
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)
Abstract
The invention discloses a method for preparing moisture-absorbing sweat-releasing antibacterial polyester fibers and fibers prepared by the method, wherein the method comprises the following steps: selecting raw materials; grinding to obtain terylene powder; mixing the terylene powder with a plasticizer and a forming agent, and adding the mixture into an internal mixer; obtaining a mixture A; mixing the graphene oxide powder with a modifier, heating and stirring to obtain a mixture B; adding the mixture A and the mixture B into a granulator, adding a reinforcing agent and a micropore agent, and carrying out melt extrusion to obtain a polyester master batch; mixing the master batch and the polyester chips, and adding the mixture into a spinning machine; spinning the terylene; drawing the fiber into a shape with a channel; forming micropores inside and outside the fibers through a solvent dissolving groove; winding the formed wire into a coil and airing; oiling and storing for later use. The invention also provides the fiber prepared by the method. According to the invention, additives such as graphene and the like are added in the preparation process of the master batch, so that the antibacterial property is improved, and meanwhile, the appearance of the fiber is improved and the functions of moisture absorption and sweat releasing are enhanced through a special spinneret orifice process.
Description
Technical Field
The invention relates to a preparation method of graphene composite fibers and fibers prepared by the graphene composite fibers, in particular to a preparation method of moisture-absorbing and sweat-releasing antibacterial polyester fibers and fibers prepared by the moisture-absorbing and sweat-releasing antibacterial polyester fibers.
Background
In recent years, requirements of people on comfortableness, health, safety, environmental protection and the like of clothes fabrics are higher and higher, and with the increase of outdoor activity time of people, the trend that casual clothes and sportswear permeate and are integrated into a whole is increasingly favored by consumers. Therefore, new requirements on moisture absorption and sweat releasing functions are provided for the fibers of the fabric.
The natural fiber is taken as cotton, the moisture absorption performance is good, the wearing is comfortable, when the sweat amount of a person is a little, the cotton fiber can absorb moisture and expand, the air transportation performance is reduced and the cotton fiber is pasted on the skin, and meanwhile, the moisture dispersion speed is slow, so that the cold and wet feeling is brought to the human body; the synthetic fiber is exemplified by polyester, which has low water absorption and poor moisture permeability, and is liable to cause troubles of entanglement due to static electricity accumulation during wearing, and particularly liable to generate stuffiness during movement.
The moisture absorption and sweat releasing performance of the fiber depends on the chemical composition and physical structure form. The gaseous moisture evaporating from the skin surface is first absorbed (i.e. absorbed) by the fibrous material and then released via the material surface; the liquid water on the skin surface is absorbed, diffused and evaporated (i.e. dehumidified) on the surface between materials by the capillary effect generated by pores (capillary holes, micropores and grooves) inside the fibers and gaps between the fibers. The result of two effects, the former one mainly related to the chemical composition of the macromolecules of the fibres and the latter one to the physical structural morphology of the fibres, is the migration of moisture.
The functional master batch refers to concentrates of various plastic additives, and the additives are not easy to disperse when being directly added, so the use efficiency is not high, and the additives are often added in the form of master batches.
The patent CN202010191172.7 'A seaweed terylene master batch and a preparation process thereof' discloses a preparation method of the seaweed terylene master batch, wherein the content of the seaweed extract in the seaweed terylene master batch is 0.1-5%. The preparation method comprises the steps of preparing the seaweed modifier; the preparation steps of the seaweed modifier are as follows: mixing the seaweed extract, the anion powder, the calcium stearate, the dodecyl dimethyl benzyl ammonium chloride and an ethanol-water solution, wherein the volume ratio of ethanol in the ethanol-water solution is 6-8%, and stirring at 2000-2500 rpm for 5-6 h to obtain the seaweed modifier. The preparation method also comprises the steps of preparation of a loading agent, preparation of master batch modified powder and preparation of the seaweed terylene master batch. The dispersion degree and the uniformity degree of the seaweed active ingredients in the prepared seaweed terylene master batch are obviously improved, and no obvious agglomeration phenomenon occurs; has good inhibition effect. Has strong anion and far infrared effects.
Patent CN201911168949.1 "a preparation process of regenerated polyester staple fiber with strong hygroscopicity" discloses a preparation process of regenerated polyester staple fiber with strong hygroscopicity, which comprises the following steps: s1: preparing raw materials; s2: pre-treating; s3: heating and melting; mixing the material processed by the S2 with the hygroscopic polyester master batch, and then heating and melting together; the mass ratio of the hygroscopic polyester master batch to the material processed by the S2 is 1: (6-14); s4: spinning; s5: cooling and forming; s6: oiling; s7: winding and bundling; s8: curling and cutting off; the regenerated polyester staple fiber with strong hygroscopicity is prepared through the steps. The bottle piece after the pretreatment and the hygroscopic polyester master batch are mutually heated to a molten state together, so that the hygroscopic polyester master batch and the substance dissolved in the bottle piece are mutually mixed, the finally prepared polyester staple fiber has hygroscopicity, the perspiration capability of clothes made of the polyester staple fiber is enhanced, and the feeling of stuffiness and intolerance is avoided.
Patent CN201810565694.1 "a graphene-polyester composite masterbatch and a preparation method thereof" discloses a graphene-polyester composite masterbatch and a preparation method thereof, wherein in the graphene-polyester composite masterbatch, the content of graphene relative to polyester chips is 0.05-2%, and the content of biological protein powder relative to polyester chips is 1.5-4.5%. The preparation method comprises the steps of graphene-terylene composite powder preparation, bioprotein-terylene composite powder preparation, mixing and extrusion; the graphene-terylene composite fiber prepared by spinning the graphene-terylene composite master batch prepared by the invention has softer hand feeling, better skin-friendly property, good moisture absorption performance and no generation of static electricity, and meanwhile, the friction force between the fibers is increased, the cohesive force is enhanced, and the spinnability of the terylene fiber is obviously improved.
Patent CN202010359276.4 "modified bio-based polymer fiber composition and modified bio-based polymer fiber and preparation method thereof" discloses a modified bio-based polymer fiber composition and modified bio-based polymer fiber and preparation method thereof. The composition contains 5-45 parts by weight of polylactic acid and 55-95 parts by weight of poly (3-hydroxybutyrate-co-4-hydroxybutyrate) based on 100 parts by weight of the composition. The modified bio-based polymer fiber has soft hand feeling, and the moisture absorption and sweat release properties, the dyeing property and the mechanical property can be improved.
Disclosure of Invention
The invention aims to provide a preparation method of moisture-absorbing and sweat-releasing antibacterial polyester fiber and the fiber prepared by the same, which solve the main technical problems in the prior art, and are characterized in that additives such as graphene and the like are added in the preparation process of master batches and fully compounded to improve the antibacterial property, and meanwhile, the appearance of the fiber is improved and the moisture-absorbing and sweat-releasing functions are enhanced through a special spinneret orifice process.
In order to achieve the above purpose, the invention provides a method for preparing moisture-absorbing and sweat-releasing antibacterial polyester fibers, wherein the method comprises the following steps: step 1, selecting raw materials in proportion; the raw materials comprise polyester chips, graphene oxide powder, a forming agent, a modifier, a plasticizer, a reinforcing agent and a microporous agent; grinding part of the polyester chips to obtain polyester powder; step 3, mixing the polyester powder with a plasticizer and a forming agent, and adding the mixture into an internal mixer; step 4, the mixture is optimally dispersed and homogenized through a pressurized internal mixer to obtain a mixture A; step 5, mixing the graphene oxide powder with a modifier, heating and stirring to prepare a mixture B; step 6, adding the mixture A and the mixture B into a granulator, adding a reinforcing agent and a micropore agent, and performing melt mixing and extrusion slicing to obtain polyester master batches; step 7, mixing the polyester master batch obtained in the step 6 with the rest polyester chips, and adding the mixture into a spinning machine; step 8, spinning the terylene through a spinning machine; step 9, adopting an extrusion port with a special shape to draw the fiber into a shape with a channel; step 10, after fiber drawing and forming, dissolving out the microporous agent through a solvent dissolving groove to form micropores inside and outside the fiber; step 11, winding the formed yarn into a coil by drawing of a spinning roller, and airing; and step 12, oiling, and finally storing for later use.
The preparation method of the moisture-absorbing sweat-releasing antibacterial polyester fiber comprises the following raw materials in percentage by mass in the step 1: 60-70% of polyester chips, 1-5% of graphene oxide powder, 1-5% of a forming agent, 5-10% of a modifier, 5-10% of a plasticizer, 2-10% of a reinforcing agent and 1-2% of a microporous agent.
The preparation method of the moisture-absorbing sweat-releasing antibacterial polyester fiber comprises the steps that the forming agent comprises microcrystalline wax and/or low-density polyethylene, the modifying agent comprises titanium dioxide and/or ceramic powder, the plastic agent comprises one or more of phthalate esters, aliphatic dibasic acid esters and phosphate esters, the reinforcing agent comprises one or more of clay, silicate, talc and carbonate, and the microporous agent comprises sucrose and/or glucose.
In the step 2, the polyester chips are fully ground to prepare the polyester powder with the particle size range of 5-20 microns.
In the step 4, the mixture is optimally dispersed and homogenized by a pressurized internal mixer for 20-40 minutes at a temperature of 260-300 ℃.
In the step 5, the graphene oxide powder and the modifier are mixed, heated and stirred, the stirring speed is 200-400 r/min, the temperature range is controlled to be 140-180 ℃, and the stirring is continued for 20-40 min.
In the step 6, the mixture A and the mixture B are added into a granulator according to the weight ratio of (8-9) to (1-2), a reinforcing agent and a micropore agent are added, and the mixture A and the mixture B are subjected to melting mixing at the melting temperature of 260-290 ℃, extrusion molding and slicing are performed to obtain the polyester masterbatch.
In the step 7, the polyester master batches and the rest of the polyester chips are mixed according to the weight ratio of (1-2) to 5 and added into a spinning machine.
In the step 8, the equipment of the spinning machine is adjusted, the set temperature range is 260-290 ℃, the extrusion speed is 60-100 m/min, and the polyester is formed into filaments.
The invention also provides the moisture-absorbing sweat-releasing antibacterial polyester fiber prepared by the method.
The preparation method of the moisture-absorbing sweat-releasing antibacterial polyester fiber and the fiber prepared by the method have the following advantages:
1. the process is simple and easy to operate, and the yield and the appearance of the fiber are adjusted by adjusting the temperature of equipment, the extrusion rate and the shape of a spinneret plate;
2. the fiber has obvious functions and has the functions of moisture absorption, perspiration and antibiosis;
3. a special spinning nozzle is adopted, and the surface of the fiber is provided with grooves, so that moisture is conveniently discharged, and heat dissipation and sweat releasing are facilitated;
4. the micropore agent and the dissolving-out process are adopted, so that micropores exist on the surface of the fiber, and moisture absorption and sweat releasing are facilitated.
Detailed Description
The following further describes embodiments of the present invention.
The invention provides a preparation method of moisture-absorbing sweat-releasing antibacterial polyester fiber, which comprises the following steps: step 1, selecting raw materials in proportion; the raw materials comprise polyester chips, graphene oxide powder, a forming agent, a modifier, a plasticizer, a reinforcing agent and a microporous agent; grinding part of the polyester chips to obtain polyester powder; step 3, mixing the polyester powder with a plasticizer and a forming agent, and adding the mixture into an internal mixer; step 4, the mixture is optimally dispersed and homogenized through a pressurized internal mixer to obtain a mixture A; step 5, mixing the graphene oxide powder with a modifier, heating and stirring to prepare a mixture B; step 6, adding the mixture A and the mixture B into a granulator, adding a reinforcing agent and a micropore agent, and performing melt mixing and extrusion slicing to obtain polyester master batches; step 7, mixing the polyester master batch obtained in the step 6 with the rest polyester chips, and adding the mixture into a spinning machine; step 8, spinning the terylene through a spinning machine; step 9, adopting an extrusion port with a special shape to draw the fiber into a shape with a channel, so as to facilitate perspiration; the special shape of the extrusion port is the shape which can draw the fiber into a groove; step 10, after fiber drawing and forming, dissolving out the micropore agent through a solvent dissolving groove to form partial micropores inside and outside the fiber, so as to facilitate moisture absorption and exhaust; step 11, winding the formed yarn into a coil by drawing of a spinning roller, and airing; and step 12, oiling, and finally storing for later use.
The mechanical equipment adopted in the method is the existing mechanical equipment in the technical field, and the parameter conditions which are not noted in the following all adopt the parameter condition range which is commonly used in the technical field.
The master batch is composed of excessive chemical auxiliary agents, carrier resin and dispersing agents. Fibers (fibers) are substances composed of continuous or discontinuous filaments, and are classified into two major classes, natural fibers and chemical fibers. Natural fibers are naturally occurring and are further divided into plant fibers, animal fibers and mineral fibers; the chemical fiber is made by chemical treatment and can be divided into artificial fiber, synthetic fiber and inorganic fiber. The functional fiber is generally prepared from functional master batches.
Preferably, the raw materials in the step 1 comprise, by mass: 60-70% of polyester chips, 1-5% of graphene oxide powder, 1-5% of a forming agent, 5-10% of a modifier, 5-10% of a plasticizer, 2-10% of a reinforcing agent and 1-2% of a microporous agent.
The forming agent comprises microcrystalline wax and/or low-density polyethylene and the like, the modifying agent comprises titanium dioxide and/or ceramic powder and the like, the plastic agent comprises one or more of phthalate esters, aliphatic dibasic acid esters, phosphate esters and the like, the reinforcing agent comprises one or more of clay, silicate, talc, carbonate and the like, and the microporous agent comprises sucrose and/or glucose and the like.
And 2, fully grinding the polyester chips to prepare polyester powder with the particle size range of 5-20 microns.
In the step 4, a pressurized internal mixer is used, the temperature is controlled to be 260-300 ℃, and the mixture achieves the optimal dispersion and uniformity after 20-40 minutes, namely, the appearance color is consistent and no agglomeration phenomenon exists.
And 5, mixing the graphene oxide powder with the modifier, heating and stirring at the stirring speed of 200-400 r/min, controlling the temperature range to be 140-180 ℃, and continuously stirring for 20-40 min.
And 6, adding the mixture A and the mixture B into a granulator according to the weight ratio of (8-9) to (1-2), adding a reinforcing agent and a micropore agent, performing melt mixing at the melting temperature of 260-290 ℃, performing extrusion molding, and slicing to obtain the polyester master batch.
And 7, mixing the polyester master batch and the rest polyester chips according to the weight ratio of (1-2) to 5, and adding the mixture into a spinning machine.
In the step 8, adjusting the equipment of the spinning machine, setting the temperature range to be 260-290 ℃, and the extrusion speed to be 60-100 m/min, so that the terylene is formed into filaments.
The invention also provides the moisture-absorbing sweat-releasing antibacterial polyester fiber prepared by the method.
The following will further describe the preparation method of the moisture-absorbing sweat-releasing antibacterial polyester fiber and the fiber prepared by the method with reference to the examples.
Example 1
A preparation method of moisture-absorbing and sweat-releasing antibacterial polyester fiber comprises the following steps:
step 1, selecting raw materials in proportion; the raw materials comprise polyester chips, graphene oxide powder, a forming agent, a modifier, a plasticizer, a reinforcing agent and a microporous agent.
And 2, fully grinding part of the polyester chips to prepare polyester powder with the particle size range of 5-20 microns.
And 3, mixing the polyester powder with a plasticizer and a forming agent, and adding the mixture into an internal mixer.
And 4, controlling the temperature and time by a pressurized internal mixer to ensure that the mixture achieves the optimal dispersion and uniformity to obtain a mixture A.
Controlling the temperature range to be 260-300 ℃, and enabling the mixture to achieve the optimal dispersion and uniformity after 20-40 minutes, wherein the judgment standard is as follows: the appearance color is consistent, and no agglomeration phenomenon exists.
And 5, mixing the graphene oxide powder with the modifier, and properly heating and stirring to prepare a mixture B.
The stirring speed is 200-400 r/min, the temperature is controlled within 140-180 ℃, and the stirring is continued for 20-40 min.
And step 6, adding the mixture A and the mixture B into a granulator according to the weight ratio of (8-9) to (1-2), adding a reinforcing agent and a micropore agent, and performing melt mixing at the melting temperature of 260-290 ℃ to perform extrusion molding and slicing to obtain the polyester master batch.
And 7, mixing the polyester master batch obtained in the step 6 with the rest polyester chips according to the weight ratio of (1-2) to 5, and adding the mixture into a spinning machine.
And 8, adjusting equipment of a spinning machine, setting the temperature and the extrusion rate, setting the temperature range to be 260-290 ℃, setting the extrusion rate to be 60-100 m/min, and forming the polyester into filaments by the spinning machine.
And 9, drawing the fiber into a shape with a channel by adopting an extrusion port with a special shape.
And step 10, dissolving the micropore agent out through a solvent dissolving groove after fiber drawing forming, and forming micropores inside and outside the fiber.
And 11, winding the formed yarn into a coil by drawing of a spinning roller, and airing.
And step 12, oiling, and finally storing for later use.
Preferably, the raw materials comprise, by mass: 60% of polyester chips, 5% of graphene oxide powder, 5% of a forming agent, 8% of a modifier, 10% of a plasticizer, 10% of a reinforcing agent and 2% of a microporous agent.
The forming agent comprises microcrystalline wax, the modifying agent comprises titanium dioxide, the plastic agent comprises phthalate ester, the reinforcing agent comprises clay, and the microporous agent comprises sucrose.
The embodiment also provides the moisture-absorbing and sweat-releasing antibacterial polyester fiber prepared by the method.
Example 2
A preparation method of moisture-absorbing and sweat-releasing antibacterial polyester fiber comprises the following steps:
step 1, selecting raw materials in proportion; the raw materials comprise polyester chips, graphene oxide powder, a forming agent, a modifier, a plasticizer, a reinforcing agent and a microporous agent.
And 2, fully grinding part of the polyester chips to prepare polyester powder with the particle size range of 5-20 microns.
And 3, mixing the polyester powder with a plasticizer and a forming agent, and adding the mixture into an internal mixer.
And 4, controlling the temperature and time by a pressurized internal mixer to ensure that the mixture achieves the optimal dispersion and uniformity to obtain a mixture A.
Controlling the temperature range to be 260-300 ℃, and enabling the mixture to achieve the optimal dispersion and uniformity after 20-40 minutes, wherein the judgment standard is as follows: the appearance color is consistent, and no agglomeration phenomenon exists.
And 5, mixing the graphene oxide powder with the modifier, and properly heating and stirring to prepare a mixture B.
The stirring speed is 200-400 r/min, the temperature is controlled within 140-180 ℃, and the stirring is continued for 20-40 min.
And step 6, adding the mixture A and the mixture B into a granulator according to the weight ratio of (8-9) to (1-2), adding a reinforcing agent and a micropore agent, and performing melt mixing at the melting temperature of 260-290 ℃ to perform extrusion molding and slicing to obtain the polyester master batch.
And 7, mixing the polyester master batch obtained in the step 6 with the rest polyester chips according to the weight ratio of (1-2) to 5, and adding the mixture into a spinning machine.
And 8, adjusting equipment of a spinning machine, setting the temperature and the extrusion rate, setting the temperature range to be 260-290 ℃, setting the extrusion rate to be 60-100 m/min, and forming the polyester into filaments by the spinning machine.
And 9, drawing the fiber into a shape with a channel by adopting an extrusion port with a special shape.
And step 10, dissolving the micropore agent out through a solvent dissolving groove after fiber drawing forming, and forming micropores inside and outside the fiber.
And 11, winding the formed yarn into a coil by drawing of a spinning roller, and airing.
And step 12, oiling, and finally storing for later use.
Preferably, the raw materials comprise, by mass: 70% of polyester chips, 1% of graphene oxide powder, 4.5% of forming agent, 5% of modifying agent, 9.5% of plastic agent, 9% of reinforcing agent and 1% of microporous agent.
The forming agent comprises low-density polyethylene, the modifying agent comprises ceramic powder, the plastic agent comprises aliphatic dibasic acid esters, the reinforcing agent comprises silicate, and the microporous agent comprises glucose.
The embodiment also provides the moisture-absorbing and sweat-releasing antibacterial polyester fiber prepared by the method.
Example 3
A preparation method of moisture-absorbing and sweat-releasing antibacterial polyester fiber comprises the following steps:
step 1, selecting raw materials in proportion; the raw materials comprise polyester chips, graphene oxide powder, a forming agent, a modifier, a plasticizer, a reinforcing agent and a microporous agent.
And 2, fully grinding part of the polyester chips to prepare polyester powder with the particle size range of 5-20 microns.
And 3, mixing the polyester powder with a plasticizer and a forming agent, and adding the mixture into an internal mixer.
And 4, controlling the temperature and time by a pressurized internal mixer to ensure that the mixture achieves the optimal dispersion and uniformity to obtain a mixture A.
Controlling the temperature range to be 260-300 ℃, and enabling the mixture to achieve the optimal dispersion and uniformity after 20-40 minutes, wherein the judgment standard is as follows: the appearance color is consistent, and no agglomeration phenomenon exists.
And 5, mixing the graphene oxide powder with the modifier, and properly heating and stirring to prepare a mixture B.
The stirring speed is 200-400 r/min, the temperature is controlled within 140-180 ℃, and the stirring is continued for 20-40 min.
And step 6, adding the mixture A and the mixture B into a granulator according to the weight ratio of (8-9) to (1-2), adding a reinforcing agent and a micropore agent, and performing melt mixing at the melting temperature of 260-290 ℃ to perform extrusion molding and slicing to obtain the polyester master batch.
And 7, mixing the polyester master batch obtained in the step 6 with the rest polyester chips according to the weight ratio of (1-2) to 5, and adding the mixture into a spinning machine.
And 8, adjusting equipment of a spinning machine, setting the temperature and the extrusion rate, setting the temperature range to be 260-290 ℃, setting the extrusion rate to be 60-100 m/min, and forming the polyester into filaments by the spinning machine.
And 9, drawing the fiber into a shape with a channel by adopting an extrusion port with a special shape.
And step 10, dissolving the micropore agent out through a solvent dissolving groove after fiber drawing forming, and forming micropores inside and outside the fiber.
And 11, winding the formed yarn into a coil by drawing of a spinning roller, and airing.
And step 12, oiling, and finally storing for later use.
Preferably, the raw materials comprise, by mass: 65% of polyester chips, 4% of graphene oxide powder, 1% of forming agent, 10% of modifying agent, 9% of plastic agent, 9.5% of reinforcing agent and 1.5% of micropore agent.
The forming agent comprises microcrystalline wax and low-density polyethylene, the modifying agent comprises titanium dioxide and ceramic powder, the plastic agent comprises phosphate ester, the reinforcing agent comprises talc, and the microporous agent comprises sucrose and glucose.
The embodiment also provides the moisture-absorbing and sweat-releasing antibacterial polyester fiber prepared by the method.
Example 4
A preparation method of moisture-absorbing and sweat-releasing antibacterial polyester fiber comprises the following steps:
step 1, selecting raw materials in proportion; the raw materials comprise polyester chips, graphene oxide powder, a forming agent, a modifier, a plasticizer, a reinforcing agent and a microporous agent.
And 2, fully grinding part of the polyester chips to prepare polyester powder with the particle size range of 5-20 microns.
And 3, mixing the polyester powder with a plasticizer and a forming agent, and adding the mixture into an internal mixer.
And 4, controlling the temperature and time by a pressurized internal mixer to ensure that the mixture achieves the optimal dispersion and uniformity to obtain a mixture A.
Controlling the temperature range to be 260-300 ℃, and enabling the mixture to achieve the optimal dispersion and uniformity after 20-40 minutes, wherein the judgment standard is as follows: the appearance color is consistent, and no agglomeration phenomenon exists.
And 5, mixing the graphene oxide powder with the modifier, and properly heating and stirring to prepare a mixture B.
The stirring speed is 200-400 r/min, the temperature is controlled within 140-180 ℃, and the stirring is continued for 20-40 min.
And step 6, adding the mixture A and the mixture B into a granulator according to the weight ratio of (8-9) to (1-2), adding a reinforcing agent and a micropore agent, and performing melt mixing at the melting temperature of 260-290 ℃ to perform extrusion molding and slicing to obtain the polyester master batch.
And 7, mixing the polyester master batch obtained in the step 6 with the rest polyester chips according to the weight ratio of (1-2) to 5, and adding the mixture into a spinning machine.
And 8, adjusting equipment of a spinning machine, setting the temperature and the extrusion rate, setting the temperature range to be 260-290 ℃, setting the extrusion rate to be 60-100 m/min, and forming the polyester into filaments by the spinning machine.
And 9, drawing the fiber into a shape with a channel by adopting an extrusion port with a special shape.
And step 10, dissolving the micropore agent out through a solvent dissolving groove after fiber drawing forming, and forming micropores inside and outside the fiber.
And 11, winding the formed yarn into a coil by drawing of a spinning roller, and airing.
And step 12, oiling, and finally storing for later use.
Preferably, the raw materials comprise, by mass: 69% of polyester chips, 3% of graphene oxide powder, 4% of a forming agent, 9% of a modifier, 5% of a plasticizer, 8.8% of a reinforcing agent and 1.2% of a microporous agent.
The forming agent comprises microcrystalline wax or low-density polyethylene, the modifier comprises titanium dioxide or ceramic powder, the plasticizer comprises phthalate ester and aliphatic dibasic acid ester, the reinforcing agent comprises carbonate, and the microporous agent comprises sucrose or glucose.
The embodiment also provides the moisture-absorbing and sweat-releasing antibacterial polyester fiber prepared by the method.
Example 5
A preparation method of moisture-absorbing and sweat-releasing antibacterial polyester fiber comprises the following steps:
step 1, selecting raw materials in proportion; the raw materials comprise polyester chips, graphene oxide powder, a forming agent, a modifier, a plasticizer, a reinforcing agent and a microporous agent.
And 2, fully grinding part of the polyester chips to prepare polyester powder with the particle size range of 5-20 microns.
And 3, mixing the polyester powder with a plasticizer and a forming agent, and adding the mixture into an internal mixer.
And 4, controlling the temperature and time by a pressurized internal mixer to ensure that the mixture achieves the optimal dispersion and uniformity to obtain a mixture A.
Controlling the temperature range to be 260-300 ℃, and enabling the mixture to achieve the optimal dispersion and uniformity after 20-40 minutes, wherein the judgment standard is as follows: the appearance color is consistent, and no agglomeration phenomenon exists.
And 5, mixing the graphene oxide powder with the modifier, and properly heating and stirring to prepare a mixture B.
The stirring speed is 200-400 r/min, the temperature is controlled within 140-180 ℃, and the stirring is continued for 20-40 min.
And step 6, adding the mixture A and the mixture B into a granulator according to the weight ratio of (8-9) to (1-2), adding a reinforcing agent and a micropore agent, and performing melt mixing at the melting temperature of 260-290 ℃ to perform extrusion molding and slicing to obtain the polyester master batch.
And 7, mixing the polyester master batch obtained in the step 6 with the rest polyester chips according to the weight ratio of (1-2) to 5, and adding the mixture into a spinning machine.
And 8, adjusting equipment of a spinning machine, setting the temperature and the extrusion rate, setting the temperature range to be 260-290 ℃, setting the extrusion rate to be 60-100 m/min, and forming the polyester into filaments by the spinning machine.
And 9, drawing the fiber into a shape with a channel by adopting an extrusion port with a special shape.
And step 10, dissolving the micropore agent out through a solvent dissolving groove after fiber drawing forming, and forming micropores inside and outside the fiber.
And 11, winding the formed yarn into a coil by drawing of a spinning roller, and airing.
And step 12, oiling, and finally storing for later use.
Preferably, the raw materials comprise, by mass: 69.5% of polyester chips, 4.5% of graphene oxide powder, 3.5% of a forming agent, 9.5% of a modifying agent, 9.2% of a plastic agent, 2% of a reinforcing agent and 1.8% of a micropore agent.
The forming agent comprises microcrystalline wax and/or low-density polyethylene, the modifying agent comprises titanium dioxide and/or ceramic powder, the plastic agent comprises one or more of phthalate esters, aliphatic dibasic acid esters and phosphate esters, the reinforcing agent comprises one or more of clay, silicate, talc and carbonate, and the microporous agent comprises sucrose and/or glucose.
The embodiment also provides the moisture-absorbing and sweat-releasing antibacterial polyester fiber prepared by the method.
According to the preparation method of the moisture-absorbing sweat-releasing antibacterial polyester fiber and the fiber prepared by the preparation method, additives such as graphene and the like are added in the preparation process of the master batch, and are fully compounded, so that the antibacterial property is improved, and meanwhile, the appearance of the fiber is improved and the moisture-absorbing sweat-releasing function is enhanced through a special spinneret orifice process.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.
Claims (10)
1. A preparation method of moisture-absorbing and sweat-releasing antibacterial polyester fibers is characterized by comprising the following steps:
step 1, selecting raw materials in proportion; the raw materials comprise polyester chips, graphene oxide powder, a forming agent, a modifier, a plasticizer, a reinforcing agent and a microporous agent;
grinding part of the polyester chips to obtain polyester powder;
step 3, mixing the polyester powder with a plasticizer and a forming agent, and adding the mixture into an internal mixer;
step 4, the mixture is optimally dispersed and homogenized through a pressurized internal mixer to obtain a mixture A;
step 5, mixing the graphene oxide powder with a modifier, heating and stirring to prepare a mixture B;
step 6, adding the mixture A and the mixture B into a granulator, adding a reinforcing agent and a micropore agent, and performing melt mixing and extrusion slicing to obtain polyester master batches;
step 7, mixing the polyester master batch obtained in the step 6 with the rest polyester chips, and adding the mixture into a spinning machine;
step 8, spinning the terylene through a spinning machine;
step 9, adopting an extrusion port with a special shape to draw the fiber into a shape with a channel;
step 10, after fiber drawing and forming, dissolving out the microporous agent through a solvent dissolving groove to form micropores inside and outside the fiber;
step 11, winding the formed yarn into a coil by drawing of a spinning roller, and airing;
and step 12, oiling, and finally storing for later use.
2. The moisture-absorbing sweat-releasing antibacterial polyester fiber as claimed in claim 1, wherein the raw materials in step 1 comprise, by mass: 60-70% of polyester chips, 1-5% of graphene oxide powder, 1-5% of a forming agent, 5-10% of a modifier, 5-10% of a plasticizer, 2-10% of a reinforcing agent and 1-2% of a microporous agent.
3. The method for preparing moisture-absorbing sweat-releasing antibacterial polyester fiber according to claim 2, wherein the forming agent comprises microcrystalline wax and/or low density polyethylene, the modifier comprises titanium dioxide and/or ceramic powder, the plasticizer comprises one or more of phthalate ester, aliphatic dibasic acid ester and phosphate ester, the reinforcing agent comprises one or more of clay, silicate, talc and carbonate, and the microporous agent comprises sucrose and/or glucose.
4. The moisture-absorbing sweat-releasing antibacterial polyester fiber according to claim 1, wherein in the step 2, the polyester chips are fully ground to prepare polyester powder with the particle size range of 5-20 microns.
5. The method for preparing moisture-absorbing sweat-releasing antibacterial polyester fiber according to claim 1, wherein in the step 4, the mixture is optimally dispersed and homogenized by a pressure internal mixer at a temperature of 260-300 ℃ for 20-40 minutes.
6. The preparation method of the moisture-absorbing sweat-releasing antibacterial polyester fiber according to claim 1, wherein in the step 5, the graphene oxide powder and the modifier are mixed, heated and stirred at a stirring speed of 200-400 r/min and a temperature of 140-180 ℃ for 20-40 minutes.
7. The method for preparing moisture-absorbing sweat-releasing antibacterial polyester fiber according to claim 6, wherein in the step 6, the mixture A and the mixture B are added into a granulator according to the weight ratio of (8-9) to (1-2), and a reinforcing agent and a micropore agent are added, and the mixture is melted and mixed at the melting temperature of 260-290 ℃, extruded, molded and sliced to obtain the polyester masterbatch.
8. The method for preparing moisture-absorbing sweat-releasing antibacterial polyester fiber according to claim 1, wherein in the step 7, the polyester master batch and the rest polyester chips are mixed according to the weight ratio of (1-2) to 5 and added into a spinning machine.
9. The method for preparing moisture-absorbing sweat-releasing antibacterial polyester fibers according to claim 1, wherein in the step 8, equipment of a spinning machine is adjusted, the temperature range is set to be 260-290 ℃, the extrusion speed is 60-100 m/min, and polyester fibers are formed.
10. A moisture-absorbing and sweat-releasing antibacterial polyester fiber prepared by the method of any one of claims 1 to 9.
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| CN112680820A (en) * | 2020-12-23 | 2021-04-20 | 杭州宏达装饰布织造有限公司 | Heat dissipation woven fabric and preparation method thereof |
| CN112680820B (en) * | 2020-12-23 | 2022-08-12 | 杭州宏达装饰布织造有限公司 | Heat dissipation woven fabric and preparation method thereof |
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