CN114318613A - Manufacturing method of antibacterial nano copper fiber yarn - Google Patents
Manufacturing method of antibacterial nano copper fiber yarn Download PDFInfo
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- CN114318613A CN114318613A CN202011048812.5A CN202011048812A CN114318613A CN 114318613 A CN114318613 A CN 114318613A CN 202011048812 A CN202011048812 A CN 202011048812A CN 114318613 A CN114318613 A CN 114318613A
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- 239000000835 fiber Substances 0.000 title claims abstract description 64
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 42
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 42
- 239000010949 copper Substances 0.000 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000002156 mixing Methods 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 34
- 239000002002 slurry Substances 0.000 claims abstract description 29
- 238000009987 spinning Methods 0.000 claims abstract description 25
- 238000001035 drying Methods 0.000 claims abstract description 16
- 239000002245 particle Substances 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 238000003756 stirring Methods 0.000 claims abstract description 12
- 238000002844 melting Methods 0.000 claims abstract description 10
- 230000008018 melting Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 24
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 17
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 17
- -1 polyethylene Polymers 0.000 claims description 16
- 238000004804 winding Methods 0.000 claims description 7
- 239000004677 Nylon Substances 0.000 claims description 6
- 239000004952 Polyamide Substances 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 6
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 6
- 229920001778 nylon Polymers 0.000 claims description 6
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 6
- 229920002647 polyamide Polymers 0.000 claims description 6
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 6
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000004043 dyeing Methods 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims description 2
- 239000007863 gel particle Substances 0.000 claims 2
- 238000004040 coloring Methods 0.000 claims 1
- 241000282414 Homo sapiens Species 0.000 description 9
- 241000894006 Bacteria Species 0.000 description 7
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 3
- 241000700605 Viruses Species 0.000 description 3
- 229910001431 copper ion Inorganic materials 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 210000004243 sweat Anatomy 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 206010011409 Cross infection Diseases 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 101001108356 Homo sapiens Nardilysin Proteins 0.000 description 1
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- 206010041925 Staphylococcal infections Diseases 0.000 description 1
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- 239000003242 anti bacterial agent Substances 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 244000053095 fungal pathogen Species 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 230000005541 medical transmission Effects 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 208000015688 methicillin-resistant staphylococcus aureus infectious disease Diseases 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
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- 239000000049 pigment Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005594 polymer fiber Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 235000019640 taste Nutrition 0.000 description 1
- 241000712461 unidentified influenza virus Species 0.000 description 1
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- Artificial Filaments (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention discloses a manufacturing method of an antibacterial nano copper fiber yarn, which comprises the following steps: a raw material mixing operation of mixing dried nano-copper powder having a particle size of not more than 48 nm into a fiber slurry, and a spinning operation, comprising: mixing and stirring the nano-copper powder and the fiber slurry to uniformly distribute the nano-copper powder in the fiber slurry to prepare a mixed material; drying the mixed material; hot melting filament-drawing mixed material, wherein the dried mixed material is drawn out of a yarn by a filament-drawing machine to form a first stage wire material; stretching and extending, namely passing the first-stage wire through a plurality of rollers to stretch the first-stage wire; naturally cooling the first-stage wire to form a second-stage wire; and collecting yarn, and concentrating the second-stage wire rod to obtain the finished product of the antibacterial nano copper fiber yarn.
Description
Technical Field
The present invention relates to a method for producing antibacterial fiber yarn, and more particularly to a method for producing antibacterial nano copper fiber yarn by adding nano copper powder into a polymer slurry and kneading and spinning the mixture.
Background
Common artificial fiber products are usually worn by human beings or pets, such as woven cloth, clothes, scarves, masks, gloves and other products, but these fiber products most close to human beings or pets are also the fiber products most easily infected with bacteria and propagating germs to harm users, so that the fiber products with antibacterial effect are needed.
Generally, the term "antibacterial" means that it mainly controls the parasitism and growth of microorganisms, inhibits the reproduction of bacteria harmful to the human body, and prevents the generation of fungi in advance, but in the case of fibers and textiles, it is easy to adsorb sweat and the body fluid or skin excreta of the human body, which are the best breeding places for bacteria, and most of the bacteria grow and reproduce with the sweat excreta as nutrients, and also decompose many unpleasant tastes and gases.
According to a new study published by the world health organization at the first international conference on prevention and infection control in switzerland, the use of antimicrobial copper surfaces in hospitals helped reduce the incidence of nosocomial infections (HAI) by 40% and was effective in killing 97% of bacteria, many viruses and fungal pathogens.
Copper is a vital element contained in a human body, and compounds of copper ions can be dissolved, so that the copper entering the human body can be discharged out of the human body through normal metabolism, and the copper is free from irritation and allergy phenomena to the skin of the human body and safe to the health of the human body.
In 2009, professor bikeville, university of south ampton, uk, published research reports indicating that copper inhibits influenza a H1N1 (A H1N 1) virus, and after 6 hours almost no viable influenza virus was found on the copper surface; in contrast to the stainless steel surface, 50 million virus particles still survived after 24 hours. In the same year, a test under the national Environmental Protection Agency (EPA) regulations has shown that copper alloys can kill 99.9% of the superbug MRSA on their surface within two hours at room temperature.
The copper ion antibacterial fiber is a functional fiber, has the effects of blocking disease transmission, eliminating peculiar smell, repairing skin and the like, and is a novel antibacterial textile. As early as 2008, the united states environmental protection agency (NRDC) registered approval of five copper alloys for antibacterial materials, which can kill 99% of bacteria on the surface of an object within 2 hours.
Disclosure of Invention
The invention aims to provide a method for manufacturing antibacterial nano-copper fiber yarns, which is used for preparing antibacterial nano-copper fiber yarn finished products such as masks, clothes and the like by uniformly mixing nano-sized copper particles in polymer fiber slurry and spinning and drawing yarns.
To achieve the above object, the present invention provides a method for manufacturing an antibacterial nano copper fiber yarn, comprising: raw material mixing operation: mixing the dried nano-copper powder into a fiber slurry; and a spinning operation comprising: mixing and stirring the nano-copper powder and the fiber slurry to uniformly distribute the nano-copper powder in the fiber slurry to form a mixed material; drying the mixed material to remove excess water; hot melting and spinning the mixed material, and spinning a yarn from the dried mixed material through a spinning machine to form a first-stage wire; stretching and extending, so that the first-stage wire passes through a plurality of rollers to stretch the first-stage wire; naturally air-cooling the first stage wire to shape the first stage wire to form a second stage wire; and collecting yarn, and concentrating the second-stage wire rod to obtain the finished product of the antibacterial nano copper fiber yarn.
In order to achieve the above object, the present invention provides another method for manufacturing an antibacterial nano copper fiber yarn, comprising the steps of: raw material mixing operation: mixing the dried nano-copper powder into a fiber slurry to form a mixed raw material; mixing and granulating: heating, stirring and mixing the mixed raw materials by a mixing machine, extruding and granulating, and further melting to form a plurality of antibacterial nano copper master batches; and a spinning operation comprising: mixing and stirring the antibacterial nano copper master batches and a plurality of thermoplastic polyurethane colloidal particles to form a mixed material; drying the mixed material to remove excess water; hot melting and spinning the mixed material, wherein the dried mixed material is spun out of a yarn by a spinning machine, and at the same time, the yarn is drawn out from a yarn outlet, so that the thermoplastic polyurethane colloidal particles are hot-melted and then coated around the outer side of the yarn to integrally form a first-stage wire material; cooling the first-stage wire by a cooling tank to shape the first-stage wire; stretching and extending, so that the first-stage wire passes through a plurality of rollers to stretch the first-stage wire; naturally air-cooling the first-stage wire to reduce the surface deformation and the internal shaping of the first-stage wire, so that the first-stage wire forms a second-stage wire; and collecting yarn, and concentrating the second-stage wire rod to obtain the finished product of the antibacterial nano copper fiber yarn.
In some embodiments, the nano-copper powder is mixed into the fiber slurry in a weight percentage range of 0.1% to 30%, and further, a preferred range is 20% to 24%.
In some embodiments, the fiber slurry comprises Thermoplastic Polyurethane (TPU), Polyethylene (PE), polypropylene (PP), polyethylene terephthalate (PET), Polyamide (PA), polybutylene terephthalate (PBT), ethylene-vinyl acetate copolymer (EVA), or Nylon (Nylon).
In some embodiments, the yarn is collected and dried to reduce moisture in the second stage yarn after the second stage yarn collecting step.
In some embodiments, the second stage wire is dried for 48 hours.
In some embodiments, the step of collecting the yarn uses winding to collect the second stage wire on a wheel or in a container.
In some embodiments, the step of mixing and stirring the antibacterial nano-copper master batches and the plurality of thermoplastic polyurethane rubber particles simultaneously adds a pigment capable of dyeing the plurality of thermoplastic polyurethane rubber particles.
The invention is characterized in that: according to the invention, the copper powder with the particle size not exceeding 48 nm is mixed with the fiber slurry, so that the copper ion adhesion in a subsequent fiber yarn preparation state can be improved, and the antibacterial continuous force of the fiber yarn is improved. The invention mixes the nanometer copper powder into the fiber, so that the fiber material is evenly attached with the antibacterial nanometer copper material, which is different from the traditional process of soaking the antibacterial agent on the surface of the fiber and has the long-acting function of inhibiting the reproduction and growth of bacteria. The invention can use the molten thermoplastic polyurethane colloidal particles to form a sticky surface layer on the periphery during spinning so as to increase the application elasticity of the spinning.
Drawings
Fig. 1 is a manufacturing method of an antibacterial nano copper fiber yarn according to a first embodiment of the present invention; and
fig. 2 shows a method for manufacturing an antibacterial nano copper fiber yarn according to a second embodiment of the present invention.
Symbolic illustration in the drawings:
step S11 to step 126 the method for producing an antibacterial nano copper fiber yarn according to the first embodiment;
step S21 to step 237 the method for manufacturing the antibacterial nano-copper fiber yarn of the second embodiment.
Detailed Description
The embodiments of the present invention are described in detail below with reference to the drawings.
Please refer to fig. 1 for an embodiment of the present invention. The steps of the method for manufacturing the antibacterial nano copper fiber yarn of the embodiment comprise: a raw material mixing operation (step S11) and a Spinning (Spinning) operation (step S12).
The raw material mixing operation (step S11) mixing the dried nano-copper powder having a particle size of not more than 48 nm into a fiber slurry;
the spinning operation (step S12) includes:
mixing and stirring the nano-copper powder and the fiber slurry, and uniformly distributing the nano-copper powder on the fiber slurry to form a mixed material (step S121);
drying the mixed material to remove excess water, wherein the temperature for drying is controlled to be 100-150 ℃ (step S122);
hot-melting the mixed material, and drawing out a yarn from the dried mixed material through a filament drawing machine to form a first stage wire (step S123);
stretching the first stage wire by passing the first stage wire through a plurality of rollers (step S124);
naturally air-cooling the first stage wire to shape the first stage wire to form a second stage wire (step S125); and
and (4) collecting the yarn, and concentrating the second-stage wires to form the finished antibacterial nano copper fiber yarn (step S126).
Please refer to fig. 2 for another embodiment of the present invention. The steps of the method for manufacturing the antibacterial nano copper fiber yarn of the embodiment comprise:
raw material mixing operation: mixing dry nano-copper powder with a particle size not exceeding 48 nm into a fiber slurry to form a mixed raw material (step S21);
mixing and granulating: heating, stirring, extruding and granulating the mixed raw materials by a mixing machine, and further melting to form a plurality of antibacterial nano-copper master batches (step S22), wherein in practice, the step can be carried out for mixing granulation by a double-screw mixing machine under the condition of controlling proper residence time and temperature; and
a spinning operation (step S23) including:
mixing and stirring the antibacterial nano copper master batches and a plurality of thermoplastic polyurethane colloidal particles to form a mixed material (step S231);
drying the mixed material to remove excessive water, wherein the temperature for drying is controlled to be 100-150 ℃ (step S232);
hot-melting and spinning the mixed material, wherein the dried mixed material is spun out of a yarn by a spinning machine, and the yarn is hot-melted at a yarn outlet and then wrapped around the outer side of the yarn to form a first-stage wire (step S233);
cooling the first-stage wire with a cooling tank to shape the first-stage wire (step S234);
stretching the first stage wire by passing the first stage wire through a plurality of rollers (step S235);
naturally air-cooling the first stage wire to reduce the surface deformation and the internal shape of the first stage wire, so that the first stage wire forms a second stage wire (step S236); and
and (6) collecting the yarn, and collecting the second-stage wires to form the finished antibacterial nano copper fiber yarn (step S237).
In an embodiment, the yarn winding step (step S126 or step S237) may employ a winding method to wind the second stage yarn on a wheel or in a container.
Of course, after the yarn collecting step, i.e. step S126 or step S237 (focusing the second stage yarn step), it may be further dried to reduce the humidity in the second stage yarn. The drying time of the second stage wire rod is 48 hours.
In the above two embodiments, the raw material of the fiber slurry includes Thermoplastic Polyurethane (TPU), Polyethylene (PE), polypropylene (PP), polyethylene terephthalate (PET), Polyamide (PA), polybutylene terephthalate (PBT), ethylene-vinyl acetate copolymer (EVA) or Nylon (Nylon). The yarn can be formed by single yarn, twisted yarn, combined yarn or combined twisted yarn. In addition, the antibacterial nano copper fiber can be formed by single component or by mixing yarns of more than two raw materials of fiber slurry.
In step S231 or step S121, a colorant with a proper ratio and formula may be further added to color the thermoplastic polyurethane glue or the fiber slurry.
Claims (15)
1. The manufacturing method of the antibacterial nano copper fiber yarn is characterized by comprising the following steps:
raw material mixing operation: mixing dry nano-copper powder with the particle size not exceeding 48 nm into fiber slurry; and
a spinning operation comprising:
mixing and stirring the nano-copper powder and the fiber slurry to uniformly distribute the nano-copper powder in the fiber slurry to form a mixed material;
drying the mixed material to remove excessive water, wherein the drying temperature is controlled to be 100-150 ℃;
hot melting and spinning the mixed material, and spinning a yarn from the dried mixed material through a spinning machine to form a first-stage wire;
stretching and extending, so that the first-stage wire passes through a plurality of rollers to stretch the first-stage wire;
naturally air-cooling the first stage wire to shape the first stage wire to form a second stage wire; and
and (5) collecting the yarn, and concentrating the second-stage wire to obtain the finished product of the antibacterial nano copper fiber yarn.
2. The method of claim 1, wherein the nano-copper powder is mixed to the fiber slurry in an amount ranging from 0.1 to 30% by weight.
3. The method of claim 1, wherein the weight percentage of the nano-copper powder added to the fiber slurry is in the range of 20% to 24%.
4. The method of claim 1, wherein the fiber slurry comprises thermoplastic polyurethane, polyethylene, polypropylene, polyethylene terephthalate, polyamide, polybutylene terephthalate, ethylene-vinyl acetate copolymer, or nylon.
5. The method of claim 1, wherein the step of collecting the second-stage filament is further followed by drying to reduce the humidity in the second-stage filament.
6. The method of claim 5, wherein the second stage of drying the strand is performed for 48 hours.
7. The method for manufacturing antibacterial nano-copper fiber yarn according to claim 1, wherein the yarn winding step uses a winding method to wind the second stage wire on a wheel disc.
8. The method for manufacturing antibacterial nano-copper fiber yarn according to claim 1, wherein the yarn winding step uses a winding method to wind the second stage of yarn in a container.
9. The manufacturing method of the antibacterial nano copper fiber yarn is characterized by comprising the following steps:
raw material mixing operation: mixing dry nano-copper powder with the particle size not exceeding 48 nm into fiber slurry to form a mixed raw material;
mixing and granulating: heating, stirring and mixing the mixed raw materials by a mixing machine, extruding and granulating, and further melting to form a plurality of antibacterial nano copper master batches; and
a spinning operation comprising:
mixing and stirring the antibacterial nano copper master batches and a plurality of thermoplastic polyurethane colloidal particles to form a mixed material;
drying the mixed material to remove excessive water, wherein the drying temperature is controlled to be 100-150 ℃;
hot melting and spinning the mixed material, wherein the dried mixed material is spun out of a yarn by a spinning machine, and at the same time, the yarn is drawn out from a yarn outlet, so that the thermoplastic polyurethane colloidal particles are hot-melted and then coated around the outer side of the yarn to integrally form a first-stage wire material;
cooling the first-stage wire by a cooling tank to shape the first-stage wire;
stretching and extending, so that the first-stage wire passes through a plurality of rollers to stretch the first-stage wire;
naturally air-cooling the first-stage wire to reduce the surface deformation and the internal shaping of the first-stage wire, so that the first-stage wire forms a second-stage wire; and
and (5) collecting the yarn, and concentrating the second-stage wire to obtain the finished product of the antibacterial nano copper fiber yarn.
10. The method of claim 9, wherein the nano-copper powder is mixed to the fiber slurry in a weight percentage range of 0.1 to 30%.
11. The method of claim 9, wherein the weight percentage of the nano-copper powder added to the fiber slurry is in the range of 20% to 24%.
12. The method of claim 9, wherein the fiber slurry comprises thermoplastic polyurethane, polyethylene, polypropylene, polyethylene terephthalate, polyamide, polybutylene terephthalate, ethylene-vinyl acetate copolymer, or nylon.
13. The method of claim 9, wherein the step of collecting the second stage wires is followed by drying to reduce the humidity in the second stage wires.
14. The method of claim 13, wherein the second stage drying is performed for 48 hours.
15. The method of claim 9, wherein a coloring material capable of dyeing the plurality of thermoplastic polyurethane gel particles is simultaneously added in the step of mixing and stirring the plurality of antibacterial nano-copper master batches and the plurality of thermoplastic polyurethane gel particles.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011048812.5A CN114318613A (en) | 2020-09-29 | 2020-09-29 | Manufacturing method of antibacterial nano copper fiber yarn |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011048812.5A CN114318613A (en) | 2020-09-29 | 2020-09-29 | Manufacturing method of antibacterial nano copper fiber yarn |
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| CN114318613A true CN114318613A (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011048812.5A Pending CN114318613A (en) | 2020-09-29 | 2020-09-29 | Manufacturing method of antibacterial nano copper fiber yarn |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115323513A (en) * | 2022-06-10 | 2022-11-11 | 浙江今日风纺织有限公司 | Fine denier cupronickel antibacterial fiber, antibacterial yarn and antibacterial fabric |
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| CN104975364A (en) * | 2014-04-03 | 2015-10-14 | 普莱国际有限公司 | Fiber fabric and preparation method thereof |
| CN105040142A (en) * | 2015-08-17 | 2015-11-11 | 俞尧芳 | Antibacterial polyester fibers and preparation method thereof |
| CN107779981A (en) * | 2016-08-31 | 2018-03-09 | 董波 | A kind of cross abnormal shape copper anti-bacterial fibre |
-
2020
- 2020-09-29 CN CN202011048812.5A patent/CN114318613A/en active Pending
Patent Citations (4)
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|---|---|---|---|---|
| JP2001192927A (en) * | 1999-12-28 | 2001-07-17 | Bene Corp:Kk | Tourmaline-kneaded fiber having antibacterial function |
| CN104975364A (en) * | 2014-04-03 | 2015-10-14 | 普莱国际有限公司 | Fiber fabric and preparation method thereof |
| CN105040142A (en) * | 2015-08-17 | 2015-11-11 | 俞尧芳 | Antibacterial polyester fibers and preparation method thereof |
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Non-Patent Citations (2)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115323513A (en) * | 2022-06-10 | 2022-11-11 | 浙江今日风纺织有限公司 | Fine denier cupronickel antibacterial fiber, antibacterial yarn and antibacterial fabric |
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