CN113981563A - Antibacterial polyester high stretch yarn and preparation method thereof - Google Patents
Antibacterial polyester high stretch yarn and preparation method thereof Download PDFInfo
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- CN113981563A CN113981563A CN202111342154.5A CN202111342154A CN113981563A CN 113981563 A CN113981563 A CN 113981563A CN 202111342154 A CN202111342154 A CN 202111342154A CN 113981563 A CN113981563 A CN 113981563A
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- 229920000728 polyester Polymers 0.000 title claims abstract description 124
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 119
- 238000002360 preparation method Methods 0.000 title abstract description 32
- 239000003242 anti bacterial agent Substances 0.000 claims abstract description 39
- 239000002994 raw material Substances 0.000 claims abstract description 36
- 239000002270 dispersing agent Substances 0.000 claims abstract description 28
- AFHJQYHRLPMKHU-XXWVOBANSA-N Aloin Natural products O=C1c2c(O)cc(CO)cc2[C@H]([C@H]2[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O2)c2c1c(O)ccc2 AFHJQYHRLPMKHU-XXWVOBANSA-N 0.000 claims abstract description 25
- AFHJQYHRLPMKHU-OSYMLPPYSA-N aloin A Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1[C@@H]1C2=CC(CO)=CC(O)=C2C(=O)C2=C(O)C=CC=C21 AFHJQYHRLPMKHU-OSYMLPPYSA-N 0.000 claims abstract description 25
- AFHJQYHRLPMKHU-UHFFFAOYSA-N isobarbaloin Natural products OC1C(O)C(O)C(CO)OC1C1C2=CC(CO)=CC(O)=C2C(=O)C2=C(O)C=CC=C21 AFHJQYHRLPMKHU-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000004595 color masterbatch Substances 0.000 claims abstract description 24
- 239000000289 melt material Substances 0.000 claims abstract description 18
- 238000009987 spinning Methods 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 230000003115 biocidal effect Effects 0.000 claims abstract description 6
- 238000002844 melting Methods 0.000 claims abstract description 6
- 230000008018 melting Effects 0.000 claims abstract description 6
- 229920001661 Chitosan Polymers 0.000 claims description 47
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 39
- 229910052709 silver Inorganic materials 0.000 claims description 30
- 239000004332 silver Substances 0.000 claims description 30
- 238000003756 stirring Methods 0.000 claims description 30
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 25
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 14
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- JKNCOURZONDCGV-UHFFFAOYSA-N 2-(dimethylamino)ethyl 2-methylprop-2-enoate Chemical compound CN(C)CCOC(=O)C(C)=C JKNCOURZONDCGV-UHFFFAOYSA-N 0.000 claims description 11
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 10
- HNTGIJLWHDPAFN-UHFFFAOYSA-N 1-bromohexadecane Chemical compound CCCCCCCCCCCCCCCCBr HNTGIJLWHDPAFN-UHFFFAOYSA-N 0.000 claims description 9
- 229960001701 chloroform Drugs 0.000 claims description 9
- AILKHAQXUAOOFU-UHFFFAOYSA-N hexanenitrile Chemical compound CCCCCC#N AILKHAQXUAOOFU-UHFFFAOYSA-N 0.000 claims description 9
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 9
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 6
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical group [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 6
- 239000013078 crystal Substances 0.000 claims description 5
- 230000001678 irradiating effect Effects 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 230000036541 health Effects 0.000 abstract description 13
- 239000005020 polyethylene terephthalate Substances 0.000 abstract description 9
- 229920004934 Dacron® Polymers 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 6
- 239000004753 textile Substances 0.000 abstract description 5
- 238000004043 dyeing Methods 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- -1 silver ions Chemical class 0.000 description 13
- 241000894006 Bacteria Species 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 6
- 241000588724 Escherichia coli Species 0.000 description 4
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 4
- 241000191967 Staphylococcus aureus Species 0.000 description 4
- 230000001580 bacterial effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 210000004027 cell Anatomy 0.000 description 4
- 210000000170 cell membrane Anatomy 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 235000011399 aloe vera Nutrition 0.000 description 3
- 210000002421 cell wall Anatomy 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 230000002195 synergetic effect Effects 0.000 description 3
- 241001116389 Aloe Species 0.000 description 2
- 229920004933 Terylene® Polymers 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 229930182470 glycoside Natural products 0.000 description 2
- 150000002338 glycosides Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000002961 Aloe barbadensis Nutrition 0.000 description 1
- 244000186892 Aloe vera Species 0.000 description 1
- 241000234280 Liliaceae Species 0.000 description 1
- MSFSPUZXLOGKHJ-UHFFFAOYSA-N Muraminsaeure Natural products OC(=O)C(C)OC1C(N)C(O)OC(CO)C1O MSFSPUZXLOGKHJ-UHFFFAOYSA-N 0.000 description 1
- 108010013639 Peptidoglycan Proteins 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000003674 animal food additive Substances 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 150000004676 glycans Polymers 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000001766 physiological effect Effects 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 150000004804 polysaccharides Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 210000002374 sebum Anatomy 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 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
- 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
Abstract
The application relates to the technical field of textile dyeing and finishing, and particularly discloses an antibacterial polyester high stretch yarn and a preparation method thereof. The antibacterial polyester high stretch yarn is prepared from the following raw materials in parts by weight: 70-90 parts of polyester chips, 2-10 parts of color master batches, 3-8 parts of barbaloin, 8-20 parts of antibacterial agents and 2-5 parts of dispersing agents; the antibacterial agent is 2-dimethyl-2-hexadecyl-1-methacryloyloxyethyl ammonium bromide; the preparation method comprises the steps of respectively drying the polyester chip, the color master batch and the dispersing agent, then mixing the dried polyester chip, the color master batch, the dispersing agent and the barbaloin, heating and melting, adding the antibacterial agent to obtain a melt material, spinning the melt material into spun yarn, and thus obtaining the antibacterial polyester high stretch yarn. The application provides an antibiotic dacron high stretch yarn, through the synergism between the raw materials, its antibiotic property that has reinforcing dacron high stretch yarn reduces the advantage to the influence of people's health.
Description
Technical Field
The application relates to the technical field of textile dyeing and finishing, in particular to an antibacterial polyester high stretch yarn and a preparation method thereof.
Background
The polyester high stretch yarn is a type of textured yarn of the polyester chemical fiber, is formed by using polyester chips as raw materials, spinning polyester pre-oriented yarn at high speed and then performing drafting and false twisting, has good crease resistance and shape retention, and also has high strength and elasticity recovery capability, so that the polyester high stretch yarn is widely applied to the field of home textiles such as garment materials, curtains, bedding and the like.
Along with the improvement of living standard of people, the requirements of people on polyester high stretch yarn textiles such as clothing fabrics, bedding and the like are higher and higher. In addition, in the process of contacting with the polyester high stretch yarn, sweat, sebum and other various secretions of a human body become good nutrient sources for various microorganisms, and the microorganisms grow and reproduce rapidly under proper conditions outside, so that the health of people is easily influenced.
Disclosure of Invention
In order to enhance the antibacterial property of the polyester high-stretch yarn and reduce the influence on the health of people, the application provides the antibacterial polyester high-stretch yarn and the preparation method thereof.
In a first aspect, the application provides an antibacterial polyester high stretch yarn, which adopts the following technical scheme:
the antibacterial polyester high stretch yarn is prepared from the following raw materials in parts by weight: 70-90 parts of polyester chips, 2-10 parts of color master batches, 3-8 parts of barbaloin, 8-20 parts of antibacterial agents and 2-5 parts of dispersing agents;
wherein the antibacterial agent is 2-dimethyl-2-hexadecyl-1-methacryloyloxyethyl ammonium bromide.
By adopting the technical scheme, the antibacterial polyester high-stretch yarn has the advantages that the prepared polyester high-stretch yarn has good antibacterial performance through the synergistic effect of the raw materials, the influence on the health of people is reduced, the antibacterial rate to escherichia coli is 93.7-96.9%, and the antibacterial rate to staphylococcus aureus is 92.5-97.3%.
The polyester chip is the main raw material of the terylene high stretch yarn, is formed by spinning terylene pre-oriented yarn at high speed and then performing drafting and false twisting, and has the characteristics of short flow, high efficiency, good quality and the like. The color master batch can promote the pigment to be uniformly dispersed and not to be condensed, the dispersibility and the tinting strength of the pigment are improved, and the dispersing agent can also ensure that the color master batch has good compatibility with polyester chips and has better affinity with the pigment, thereby ensuring the color stability. The barbaloin is a natural antibacterial agent, is a concentrated and dried juice of leaves of aloe barbadensis of Liliaceae, has physiological effects of scavenging free radicals and resisting bacterial activity, and can be applied to raw materials of polyester high-stretch yarns to achieve the effect of killing bacteria on the polyester high-stretch yarns, so that the antibacterial performance of the polyester high-stretch yarns is enhanced, and the influence on the health of people is reduced.
The antibacterial agent is 2-dimethyl-2-hexadecyl-1-methacryloyloxyethyl ammonium bromide, and the 2-dimethyl-2-hexadecyl-1-methacryloyloxyethyl ammonium bromide is a quaternary ammonium salt and is applied to the raw materials of the polyester high-elastic yarns, the 2-dimethyl-2-hexadecyl-1-methacryloyloxyethyl ammonium bromide has positive charges and can be attracted when bacteria are contacted with the polyester high-elastic yarns, and the 2-dimethyl-2-hexadecyl-1-methacryloyloxyethyl ammonium bromide adsorbed on the surfaces of the bacteria can inactivate the bacteria by penetrating cell membranes, so that the aim of sterilization is fulfilled, the antibacterial performance of the polyester high-elastic yarns is enhanced, and meanwhile, the influence on human health is reduced. The addition of the dispersing agent can improve the dispersibility of the barbaloin and the 2-dimethyl-2-hexadecyl-1-methacryloyloxyethyl ammonium bromide in the polyester high-elastic yarns, so that the distribution of the barbaloin and the 2-dimethyl-2-hexadecyl-1-methacryloyloxyethyl ammonium bromide is more uniform, the barbaloin and the 2-dimethyl-2-hexadecyl-1-methacryloyloxyethyl ammonium bromide can be more favorably exerted, and the antibacterial property of the polyester high-elastic yarns can be more favorably enhanced.
Preferably, the feed additive is prepared from the following raw materials in parts by weight: 75-85 parts of polyester chips, 5-8 parts of color master batches, 4-7 parts of barbaloin, 10-15 parts of antibacterial agent and 3-4 parts of dispersing agent.
By adopting the technical scheme, the weight ratio of the polyester chips, the color master batch, the barbaloin, the antibacterial agent and the dispersing agent is optimized, so that the performance of the antibacterial agent can be improved, and the antibacterial performance of the polyester high stretch yarn can be better enhanced.
Preferably, the 2-dimethyl-2-hexadecyl-1-methacryloyloxyethyl ammonium bromide is prepared by the following method: mixing dimethylaminoethyl methacrylate and 1-bromohexadecane, adding trichloromethane and hexanenitrile, heating and stirring, cooling, adding anhydrous ether, stirring to obtain white crystals, filtering, washing the filter residue, and drying to obtain 2-dimethyl-2-hexadecyl-1-methacryloyloxyethyl ammonium bromide.
By adopting the technical scheme, the 2-dimethyl-2-hexadecyl-1-methacryloyloxyethyl ammonium bromide is prepared by utilizing the raw materials, so that the preparation method has the advantage of simple and convenient preparation, the 2-dimethyl-2-hexadecyl-1-methacryloyloxyethyl ammonium bromide can be mixed more uniformly, and the 2-dimethyl-2-hexadecyl-1-methacryloyloxyethyl ammonium bromide can play a better role.
Preferably, the ratio of dimethylaminoethyl methacrylate: the weight ratio of the 1-bromohexadecane is (15-32): (31-62), the volume of chloroform, the volume of hexanenitrile and the volume of anhydrous ether added to 1kg of dimethylaminoethyl methacrylate were 310mL, 620mL and 200mL, respectively.
By adopting the technical scheme, the weight of dimethylaminoethyl methacrylate, 1-bromohexadecane, trichloromethane and hexanenitrile is limited, so that the 2-dimethyl-2-hexadecyl-1-methacryloyloxyethyl ammonium bromide can be better prepared, and the 2-dimethyl-2-hexadecyl-1-methacryloyloxyethyl ammonium bromide can better play a role.
Preferably, the dispersant is sodium polyacrylate.
By adopting the technical scheme, the sodium polyacrylate is used as one of the dispersing agents, is applied to the raw materials of the polyester high-elastic yarns, can enhance the dispersibility of the antibacterial agent and the barbaloin, enables the antibacterial agent and the barbaloin to be better dispersed in the polyester high-elastic yarns, is more beneficial to enhancing the antibacterial property of the polyester high-elastic yarns and reduces the influence on the health of people.
Preferably, the raw material of the polyester high-elasticity yarn also comprises 1-3 parts by weight of chitosan silver-loaded antibacterial solution.
By adopting the technical scheme, the silver ions have good antibacterial effect, the main component of the cell wall of the bacteria is peptidoglycan, and the silver ions can interfere the cell wall and inhibit the crosslinking and connection of the polysaccharide chain and the tetrapeptide, so that the integrity of the cell wall is lost, the protective effect on osmotic pressure is lost, and the death of bacteria thallus is damaged; the chitosan with small molecular weight can enter bacterial cells through cell membranes and is combined with substances with negative electricity in the cells, so that the normal physiological functions of the cells are affected, the bacteria die, and the bacteria die by changing the permeability of the bacterial cells; in addition, chitosan can also adsorb silver ion, can regard as the carrier of silver ion, makes silver ion more even of distribution in the dacron high-stretch yarn, through chitosan and silver ion's synergism, can strengthen the antibiotic performance of dacron high-stretch yarn more.
Preferably, the chitosan silver-loaded antibacterial solution is prepared by the following method: adding chitosan into acetic acid solution, stirring, adding silver nitrate, stirring in dark place, and irradiating under ultraviolet light to obtain the chitosan silver-loaded antibacterial solution.
By adopting the technical scheme, the chitosan silver-loaded antibacterial solution is prepared by utilizing the raw materials, so that the preparation method has the advantage of simple and convenient preparation, is beneficial to enabling the chitosan silver-loaded antibacterial solution to be mixed more uniformly, and is more beneficial to enhancing the antibacterial property of the polyester high stretch yarn.
Preferably, the chitosan: acetic acid solution: the weight ratio of the silver nitrate is (2-4): (50-100): (0.4-0.8), wherein the mass fraction of the acetic acid solution is 2-4%.
By adopting the technical scheme, the weight of the chitosan, the acetic acid solution and the silver nitrate is limited, so that the chitosan silver-loaded antibacterial solution can be better prepared, and the chitosan silver-loaded antibacterial solution can better play a role.
In a second aspect, the application provides a preparation method of an antibacterial polyester high stretch yarn, which adopts the following technical scheme: a preparation method of antibacterial polyester high stretch yarn comprises the following steps:
s1: respectively drying the polyester chip, the color master batch and the dispersing agent;
s2: mixing the dried polyester slices, the dried color master batch, the barbaloin and the dried dispersing agent, and stirring for 120-130min to obtain a mixture;
s3: heating and melting the mixture, adding the antibacterial agent, and uniformly stirring to obtain a melt material;
s4: and (3) spinning the melt material into spun yarn after silk drawing, cooling and spinning to obtain the antibacterial polyester high stretch yarn.
By adopting the technical scheme, the polyester chips, the color master batches and the dispersing agent are dried, then are mixed with the barbaloin, are heated and melted, are added with the antibacterial agent, and are spun by spinning and cooling, so that the raw materials are mixed more uniformly, the antibacterial agent and the barbaloin play a greater role, the antibacterial performance of the polyester high-stretch yarns is enhanced conveniently, and the influence on the health of people is reduced.
Preferably, 1-3 parts by weight of chitosan silver-loaded antibacterial solution is sprayed together after the melt material is subjected to spinning and cooling.
Through adopting above-mentioned technical scheme, at first through adding the antiseptic to dacron high-stretch yarn from the raw materials, play reinforcing antibiotic effect from the essence of dacron high-stretch yarn, then carry out the spraying chitosan to the outside of dacron high-stretch yarn and carry silver-colored antibacterial solution, can play dual antibiotic effect, reduce the health production influence to people.
In summary, the present application has the following beneficial effects:
1. according to the polyester high stretch yarn, the antibacterial agent is adopted, and the antibacterial agent is 2-dimethyl-2-hexadecyl-1-methacryloyloxyethyl ammonium bromide, and the 2-dimethyl-2-hexadecyl-1-methacryloyloxyethyl ammonium bromide is used as a quaternary ammonium salt, can be adsorbed on a bacterial cell membrane and penetrates through the cell membrane to inactivate bacteria, so that the antibacterial effect is achieved, the antibacterial performance of the polyester high stretch yarn is enhanced, and the influence on the health of people is reduced.
2. The antibacterial polyester high-elastic yarn has the advantages that the chitosan silver-carrying antibacterial solution is added, both chitosan and silver ions have antibacterial effects, and the silver ions can be adsorbed on the chitosan, so that the chitosan silver-carrying antibacterial solution can be dispersed more uniformly and can help better play a role, a better antibacterial effect is achieved, and the antibacterial performance of the polyester high-elastic yarn is enhanced more.
Detailed Description
The present application will be described in further detail with reference to examples.
Raw materials
The polyester chip is polyethylene glycol terephthalate and is selected from Jinxia New Material science and technology company Limited in Zhejiang province; the color master batch is selected from Juanxin plastic products company Limited; the barbaloin is selected from Shaanxi Rivo Biotech limited; the dimethylaminoethyl methacrylate is selected from Jining Sanshi Biotech, Inc.; the 1-bromohexadecane is selected from Shandong Cuihua Biotech limited; the chloroform is selected from the group consisting of New county-city-pril chemical Co., Ltd; the capronitrile is selected from Hubei Nonakojic; the sodium polyacrylate is selected from Hebei hongtao bioengineering Co., Ltd; the chitosan is selected from Shanxi Chengming Biotech limited.
Preparation example
Preparation example 1
An antibacterial agent, namely 2-dimethyl-2 hexadecyl-1-methacryloyloxyethyl ammonium bromide, which is prepared by the following method: mixing 15kg of dimethylaminoethyl methacrylate and 31kg of 1-bromohexadecane, adding 4.65L of trichloromethane and 9.3L of hexanenitrile, stirring at the temperature of 40 ℃ for 45h, cooling to room temperature, adding 3L of anhydrous ether, stirring until white crystals are generated, performing suction filtration, washing filter residues with the anhydrous ether for 3 times, and drying at the temperature of 40 ℃ for 22h to obtain the 2-dimethyl-2 hexadecyl-1-methacryloyloxyethyl ammonium bromide.
Preparation example 2
An antibacterial agent, namely 2-dimethyl-2 hexadecyl-1-methacryloyloxyethyl ammonium bromide, which is prepared by the following method: mixing 23kg of dimethylaminoethyl methacrylate and 51kg of 1-bromohexadecane, adding 7.13L of trichloromethane and 14.26L of hexanenitrile, stirring at 45 ℃ for 48h, cooling to room temperature, adding 4.6L of anhydrous ether, stirring until white crystals are generated, filtering, washing filter residues with the anhydrous ether for 4 times, and drying at 45 ℃ for 24h to obtain the 2-dimethyl-2 hexadecyl-1-methacryloyloxyethyl ammonium bromide.
Preparation example 3
An antibacterial agent, namely 2-dimethyl-2 hexadecyl-1-methacryloyloxyethyl ammonium bromide, which is prepared by the following method: mixing 32kg of dimethylaminoethyl methacrylate and 62kg of 1-bromohexadecane, adding 9.92L of trichloromethane and 19.84L of hexanenitrile, stirring at 50 ℃ for 50h, cooling to room temperature, adding 6.4L of anhydrous ether, stirring until white crystals are generated, filtering, washing filter residues with the anhydrous ether for 5 times, and drying at 50 ℃ for 26h to obtain the 2-dimethyl-2 hexadecyl-1-methacryloyloxyethyl ammonium bromide.
Preparation example 4
A chitosan silver-loaded antibacterial solution is prepared by adopting the following method:
adding 2kg of chitosan into 50kg of acetic acid solution, stirring for 20h, adding 0.4kg of silver nitrate, stirring for 25min in a dark place, and then irradiating for 2h under ultraviolet light to obtain a chitosan silver-loaded antibacterial solution;
wherein the mass fraction of the acetic acid solution is 2%.
Preparation example 5
A chitosan silver-loaded antibacterial solution is prepared by adopting the following method:
adding 3kg of chitosan into 75kg of acetic acid solution, stirring for 24h, adding 0.6kg of silver nitrate, stirring for 30min in a dark place, and then irradiating for 3h under ultraviolet light to obtain a chitosan silver-loaded antibacterial solution;
wherein the mass fraction of the acetic acid solution is 3%.
Preparation example 6
A chitosan silver-loaded antibacterial solution is prepared by adopting the following method:
adding 4kg of chitosan into 100kg of acetic acid solution, stirring for 28h, adding 0.8kg of silver nitrate, stirring for 35min in a dark place, and then irradiating for 4h under ultraviolet light to obtain a chitosan silver-loaded antibacterial solution;
wherein the mass fraction of the acetic acid solution is 4%.
Examples
TABLE 1 weight of each raw material (unit: Kg) of the polyester high stretch yarn in examples 1 to 4
| Raw materials | Example 1 | Example 2 | Example 3 | Example 4 |
| Polyester chip | 70 | 80 | 82 | 85 |
| Color master batch | 2 | 6 | 7 | 10 |
| Aloe glycoside | 3 | 5 | 6 | 8 |
| Antibacterial agent | 8 | 11 | 14 | 20 |
| Dispersing agent | 2 | 3 | 4 | 5 |
Example 1
The raw material ratio of the antibacterial polyester high stretch yarn is shown in table 1.
Wherein the antibacterial agent is 2-dimethyl-2 hexadecyl-1-methacryloyloxyethyl ammonium bromide and is prepared by adopting preparation example 1, and the dispersing agent is sodium polyacrylate.
A preparation method of antibacterial polyester high stretch yarn comprises the following steps:
s1: respectively drying the polyester chip, the color master batch and the dispersing agent at the temperature of 200 ℃ for 7 hours;
s2: mixing the dried polyester slices, the dried color master batches, the dried dispersing agent and the barbaloin, and stirring for 120min to obtain a mixture;
s3: heating and melting the mixture at 280 ℃, adding an antibacterial agent, and uniformly stirring to obtain a melt material;
s4: and (3) spinning the melt material to obtain the antibacterial polyester high stretch yarn, wherein the melt material is subjected to spinning, then cooled to room temperature and spun into spun yarn.
Examples 2 to 4
The antibacterial polyester high stretch yarn is different from the antibacterial polyester high stretch yarn in the raw material ratio shown in the table 1.
Example 5
An antibacterial polyester high stretch yarn, which is different from example 3 in the source of an antibacterial agent of the antibacterial polyester high stretch yarn, was prepared by using preparation example 2.
Example 6
An antibacterial polyester high stretch yarn, which is different from example 3 in the source of an antibacterial agent of the antibacterial polyester high stretch yarn, was prepared by using preparation example 3.
Example 7
An antibacterial polyester high stretch yarn, which is different from that of example 5 in the preparation method of the antibacterial polyester high stretch yarn.
A preparation method of antibacterial polyester high stretch yarn comprises the following steps:
s1: respectively drying the polyester chip, the color master batch and the dispersing agent at the temperature of 210 ℃ for 8 hours;
s2: mixing the dried polyester slices, the dried color master batches, the dried dispersing agent and the barbaloin, and stirring for 125min to obtain a mixture;
s3: heating and melting the mixture at the temperature of 300 ℃, adding the antibacterial agent, and uniformly stirring to obtain a melt material;
s4: and (3) spinning the melt material to obtain the antibacterial polyester high stretch yarn, wherein the melt material is subjected to spinning, then cooled to room temperature and spun into spun yarn.
Example 8
An antibacterial polyester high stretch yarn, which is different from that of example 5 in the preparation method of the antibacterial polyester high stretch yarn.
A preparation method of antibacterial polyester high stretch yarn comprises the following steps:
s1: respectively drying the polyester chip, the color master batch and the dispersing agent at 220 ℃ for 9 h; a
S2: mixing the dried polyester slices, the dried color master batches, the dried dispersing agent and the barbaloin, and stirring for 130min to obtain a mixture;
s3: heating and melting the mixture at 320 ℃, adding the antibacterial agent, and uniformly stirring to obtain a melt material;
s4: and (3) spinning the melt material to obtain the antibacterial polyester high stretch yarn, wherein the melt material is subjected to spinning, then cooled to room temperature and spun into spun yarn.
TABLE 2 weight of each raw material (unit: Kg) of the polyester high stretch yarn in examples 9 to 11
| Raw materials | Example 9 | Example 10 | Example 11 |
| Polyester chip | 82 | 82 | 82 |
| Color master batch | 7 | 7 | 7 |
| Aloe glycoside | 6 | 6 | 6 |
| Antibacterial agent | 14 | 14 | 14 |
| Dispersing agent | 4 | 4 | 4 |
| Chitosan silver-carrying antibacterial solution | 1 | 2 | 3 |
Example 9
An antibacterial polyester high stretch yarn is different from the antibacterial polyester high stretch yarn in the embodiment 7 in that a chitosan silver-loaded antibacterial solution is added into the raw materials of the antibacterial polyester high stretch yarn, and the preparation method is different: after the melt material is subjected to spinning and cooling, the chitosan silver-carrying antibacterial solution is sprayed together, and the raw material ratio is shown in table 2.
Wherein the antibacterial agent is 2-dimethyl-2 hexadecyl-1-methacryloyloxyethyl ammonium bromide and is prepared by adopting preparation example 2, the dispersing agent is sodium polyacrylate, and the chitosan silver-loaded antibacterial solution is prepared by adopting preparation example 4.
Examples 10 to 11
An antibacterial polyester high stretch yarn, which is different from the antibacterial polyester high stretch yarn in the raw material ratio shown in the table 2, is disclosed in example 9.
Example 12
An antibacterial polyester high stretch yarn, which is different from example 11 in the source of the chitosan silver-loaded antibacterial solution, was prepared using preparation example 5.
Example 13
An antibacterial polyester high stretch yarn, which is different from example 11 in the source of the chitosan silver-loaded antibacterial solution, was prepared by using preparation example 6.
Example 14
An antibacterial polyester high stretch yarn, which is different from example 12 in that the raw material of the antibacterial polyester high stretch yarn was replaced with the same amount of chitosan as the silver-loaded antibacterial solution of chitosan.
Example 15
An antibacterial polyester high stretch yarn, which is different from example 12 in that the raw material of the antibacterial polyester high stretch yarn is replaced with silver nitrate in the same amount as the chitosan silver-carrying antibacterial solution.
Comparative example
Comparative example 1
An antibacterial polyester high stretch yarn, which is different from example 7 in that the antibacterial agent was replaced with an equal amount of polyester chips in the raw material of the antibacterial polyester high stretch yarn.
Comparative example 2
An antibacterial polyester high stretch yarn, which is different from example 7 in that barbaloin was replaced with an equal amount of polyester chips in the raw material of the antibacterial polyester high stretch yarn.
Comparative example 3
An antibacterial polyester high stretch yarn, which is different from example 7 in that the antibacterial agent and barbaloin were replaced with the same amount of polyester chips as the raw material of the antibacterial polyester high stretch yarn.
Performance test
The antibacterial polyester high stretch yarns obtained in examples 1 to 15 and comparative examples 1 to 3 were subjected to the following property tests, and the test results are shown in Table 3.
According to GB/T20944.3-2008' evaluation of antibacterial performance of textiles part 3: the results of the tests on the antibacterial property of the antibacterial polyester high stretch yarn by the oscillation method are shown in Table 3.
TABLE 3 test results
As can be seen from Table 3, the antibacterial polyester high stretch yarn has the advantages that the prepared polyester high stretch yarn has good antibacterial performance through the synergistic effect of the raw materials, the influence on the health of people is reduced, the antibacterial rate on escherichia coli is 93.7-96.9%, and the antibacterial rate on staphylococcus aureus is 92.5-97.3%.
Comparing example 7 with comparative examples 1-3, it can be seen that adding barbaloin and an antibacterial agent to the raw materials of the antibacterial polyester high-stretch yarn can significantly improve the antibacterial rate of the polyester high-stretch yarn to escherichia coli and staphylococcus aureus, thus proving that barbaloin and the antibacterial agent can enhance the antibacterial performance of the polyester high-stretch yarn and reduce the influence on human health.
Comparing with the examples 7 and 12, 14 and 15, it can be seen that the antibacterial rate of escherichia coli and staphylococcus aureus can be improved by the synergistic effect between chitosan and silver ions by adding the chitosan silver-loaded antibacterial solution to the raw materials of the antibacterial polyester high-stretch yarn, so that the antibacterial performance of the polyester high-stretch yarn can be enhanced by the chitosan silver-loaded antibacterial solution, and the influence on the health of people can be reduced.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (10)
1. An antibiotic polyester high stretch yarn which is characterized in that: the composition is prepared from the following raw materials in parts by weight: 70-90 parts of polyester chips, 2-10 parts of color master batches, 3-8 parts of barbaloin, 8-20 parts of antibacterial agents and 2-5 parts of dispersing agents;
wherein the antibacterial agent is 2-dimethyl-2-hexadecyl-1-methacryloyloxyethyl ammonium bromide.
2. The antibacterial polyester high stretch yarn as claimed in claim 1, wherein: the composition is prepared from the following raw materials in parts by weight: 75-85 parts of polyester chips, 5-8 parts of color master batches, 4-7 parts of barbaloin, 10-15 parts of antibacterial agent and 3-4 parts of dispersing agent.
3. The antibacterial polyester high stretch yarn as claimed in claim 1, wherein: the 2-dimethyl-2-hexadecyl-1-methacryloyloxyethyl ammonium bromide is prepared by the following method: mixing dimethylaminoethyl methacrylate and 1-bromohexadecane, adding trichloromethane and hexanenitrile, heating and stirring, cooling, adding anhydrous ether, stirring to obtain white crystals, filtering, washing the filter residue, and drying to obtain 2-dimethyl-2-hexadecyl-1-methacryloyloxyethyl ammonium bromide.
4. The antibacterial polyester high stretch yarn as claimed in claim 3, wherein: the dimethylaminoethyl methacrylate: the weight ratio of the 1-bromohexadecane is (15-32): (31-62), the volume of chloroform, the volume of hexanenitrile and the volume of anhydrous ether added to 1kg of dimethylaminoethyl methacrylate were 310mL, 620mL and 200mL, respectively.
5. The antibacterial polyester high stretch yarn as claimed in claim 1, wherein: the dispersant is sodium polyacrylate.
6. The antibacterial polyester high stretch yarn as claimed in claim 1, wherein: the raw material of the polyester high stretch yarn also comprises 1-3 parts by weight of chitosan silver-loaded antibacterial solution.
7. The antibacterial polyester high stretch yarn as claimed in claim 6, wherein: the chitosan silver-loaded antibacterial solution is prepared by adopting the following method: adding chitosan into acetic acid solution, stirring, adding silver nitrate, stirring in dark place, and irradiating under ultraviolet light to obtain the chitosan silver-loaded antibacterial solution.
8. The antibacterial polyester high stretch yarn as claimed in claim 7, wherein: the chitosan: acetic acid solution: the weight ratio of the silver nitrate is (2-4): (50-100): (0.4-0.8), wherein the mass fraction of the acetic acid solution is 2-4%.
9. A method for preparing the antibacterial polyester high stretch yarn according to any one of claims 1 to 5, which is characterized in that:
s1: respectively drying the polyester chip, the color master batch and the dispersing agent;
s2: mixing the dried polyester slices, the dried color master batch, the barbaloin and the dried dispersing agent, and stirring for 120-130min to obtain a mixture;
s3: heating and melting the mixture, adding the antibacterial agent, and uniformly stirring to obtain a melt material;
s4: and (3) spinning the melt material into spun yarn after silk drawing, cooling and spinning to obtain the antibacterial polyester high stretch yarn.
10. The method according to claim 9, wherein 1-3 parts by weight of the chitosan silver-loaded antibacterial solution is sprayed together after the melt material is drawn and cooled.
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