CN107587252B - Anti-fading antibacterial socks and preparation method thereof - Google Patents
Anti-fading antibacterial socks and preparation method thereof Download PDFInfo
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Abstract
The invention discloses an antibacterial sock not prone to fading and a preparation method thereof. According to the invention, the antibacterial yarn is prepared by adding the raw materials such as the nano-silver plated fiber, the zinc oxide/gelatin/polyvinyl alcohol composite antibacterial fiber, the antibacterial agent and the like into the raw materials, and the kale extract is used as a natural coloring agent to dye the yarn, so that the antibacterial socks which are not easy to fade are finally obtained. The invention also discloses a preparation method of the antibacterial socks which are not easy to fade. Compared with the prior art, the fadeless antibacterial socks prepared by the invention not only have excellent antibacterial performance, but also have good color fastness.
Description
Technical Field
The invention relates to an antibacterial sock, in particular to an antibacterial sock not prone to fading and a preparation method thereof.
Background
Microorganisms are closely related to people's daily life. On one hand, human beings use biotechnology to apply certain microorganisms to fermentation industry, biological pesticides and bacterial manure work; probiotics in the human body provide life-necessary substances or help the human body to absorb nutrients through metabolism. On the other hand, some microorganisms are pathogenic bacteria. The spread of pathogenic bacteria poses a great threat to human health and personal safety.
Silver is described as the third metal used by ancient people after gold and copper. Human beings have cast metallic silver into silverware for daily life more than 7000 years ago. Silver has been used in many medical applications over the past several thousand years, primarily to combat microbial infections. But there has been no use of silver as described in the historical bookkeeping system. Until recently, Alexander first summarized the use of silver in medicine. Silver nanoparticles have been recognized as novel highly effective antibacterial agents. The overall antibacterial performance of the antibacterial silver nano structure obviously improves the antibacterial performance of the traditional antibacterial medicament with the nano structure, and has better effect on inhibiting the growth and reproduction of microorganisms such as bacteria and fungi.
Silver has a good broad-spectrum bactericidal effect and is widely used as a nano particle in clinical and daily necessities. Compared with silver existing in an ionic form, the nano silver has small size and large specific surface area, the probability of mutual contact action with microorganisms is increased, and the antibacterial effect is stronger.
Some researches also suggest that silver ions are released on the surface of nano silver, so that genetic material DNA of bacteria is agglomerated, and normal division of the bacteria is hindered. In addition, research shows that the nano silver can oxidize molecular oxygen under the condition of illumination to generate the photocatalysis sterilization effect. Research also proves that the antibacterial performance of the nano silver is superior to that of silver ions. Compared with various antibacterial materials with single antibacterial mechanism, the nano silver particles have complex and various antibacterial mechanisms, so the nano silver particles have low drug resistance.
Socks are a large category of weft-knitted fabrics, including stockings, socks, pantyhose, and the like. Socks and clothes are all components of world dress civilization. Therefore, the socks are also called foot clothes and foot bags. With the increasing living standard, modern people pay more and more attention to the health, and in addition to the efficacy of warm keeping and foot protection, the selection of underwear such as socks considers the safety, environmental protection and functionality of the socks, so that the socks are not only convenient to wear and attractive and elegant, but also have the functions of sterilization, deodorization, anion release, infrared emission and the like.
The existing domestic socks are single in function and few in types, and most of the existing domestic socks consider the appearance and comfort level of the socks, which are mainly related to the single material and the backward processing technology of the socks. For some raw materials with special effects, the unreasonable processing technology is adopted, so that the prepared new material can reduce or lose some effects, and the requirements of people cannot be met. Particularly in summer, the summer heat is hard to endure, and people hope that the socks have excellent comfort, wear resistance and shape retention and can deodorize and sterilize.
At present, along with the improvement of living standard of people, the quality of textiles can be more and more concerned by people, and a plurality of blended fabrics appear in the market at present, but in the dyeing process of the fabrics, a large amount of chemical dyes are adopted, and the dyes of finished products are easy to fall off in the using process, thereby influencing the health of human bodies.
Therefore, it is important to develop an antibacterial sock which is safe, not easy to fade and has excellent antibacterial performance.
Disclosure of Invention
In order to achieve the purpose, the invention provides an antibacterial sock which is not easy to fade, and is characterized by comprising 40-60 wt% of outer fabric and 40-60 wt% of inner fabric.
Preferably, the outer layer fabric is woven by the outer layer fabric with yarns.
Preferably, the yarn for the outer fabric is prepared from the following raw materials in parts by weight:
preferably, the inner layer fabric is woven by 70-80 wt% of inner layer fabric and 20-30 wt% of nano silver plated fiber or silver wire;
preferably, the yarn for the lining fabric is prepared from the following raw materials in parts by weight:
further preferably, the nano silver plated fiber contains 15-20 wt% of silver, and the fiber fineness is 40-140D; the silver wire is 40-140D silver wire.
Preferably, the zinc oxide/gelatin/polyvinyl alcohol composite antibacterial fiber is prepared from 0.5-2.0 wt% of ZnO, 2.0-3.0 wt% of gelatin, 10-20 wt% of polyvinyl alcohol and the balance of water.
According to the invention, the zinc oxide nanoparticles in the added zinc oxide/gelatin/polyvinyl alcohol composite antibacterial fiber damage cell walls through contact with bacteria, so that the integrity of the cells is damaged. Meanwhile, the zinc oxide nano-particles can generate O under visible light2-、H2O2A series of reactive oxygen species; these substances can penetrate into bacterial cells, limit the metabolism of the cells by destroying enzymes, lipids and DNA in the bacterial cells, and ultimately lead to bacterial death.
Preferably, the softener in the yarn for the outer layer fabric and the softener in the yarn for the inner layer fabric are respectively and independently one or more of polyether amino modified polysiloxane, dioctadecyl dimethyl ammonium chloride and triethanolamine stearate betaine.
Preferably, the dispersing agent in the yarn for the outer layer fabric and the dispersing agent in the yarn for the inner layer fabric are respectively and independently vinyl bis stearamide or sodium lignosulfonate.
Preferably, the antibacterial agent is one or more of polygonum hydropiper extract, dehydroquassine and vanillin.
Preferably, the antibacterial agent is prepared from polygonum hydropiper extract, dehydroquassine and vanillin according to the mass ratio of 1: (2-4): (2-4) mixing.
Polygonum vernalium extract is Polygonum vernalium L, and the whole herb of Polygonum vernalium may contain flavone and anthraquinone, so that Polygonum vernalium extract has antimicrobial property.
1-ethyl-4, 8-dimethoxy-9H-pyrido (3,4- β) indele, CAS number 65236-62-2, is derived from Simaroubaceae plants, and is one of antibacterial active ingredients of ramulus Et folium Picrasmae.
The preparation method of the antibacterial socks is characterized by comprising the following steps:
1) preparing yarns for the outer-layer fabric:
putting 40-50 parts by weight of kapok fiber, 40-50 parts by weight of cotton fiber or tencel or modal fiber or flax fiber or bamboo fiber into a stirrer; then adding 1-3 parts by weight of a softening agent, 2-6 parts by weight of a dispersing agent and 80-100 parts by weight of water, and stirring to obtain a mixture;
after the mixture is dried, performing conventional roving, spinning, spooling, yarn steaming and doubling treatment to obtain 40-140D blended yarns;
soaking the blended yarn in a dye solution, heating to 70-90 ℃, and dyeing for 60-90 min; taking out the blended yarn, washing with water, dehydrating and drying to obtain the yarn for the outer-layer fabric;
2) preparing yarns for the inner layer fabric:
placing 10-20 parts by weight of spandex, 20-30 parts by weight of kapok fiber, 20-30 parts by weight of cotton fiber or tencel or modal fiber or flax fiber or bamboo fiber and 10-20 parts by weight of zinc oxide/gelatin/polyvinyl alcohol composite antibacterial fiber in a stirrer; then adding 1-3 parts by weight of a softening agent, 2-6 parts by weight of a dispersing agent, 0.15-0.90 part by weight of an antibacterial agent and 80-100 parts by weight of water, and stirring to obtain a mixture;
after the mixture is dried, performing conventional roving, spinning, spooling, yarn steaming and doubling treatment to obtain 40-140D blended yarns;
soaking the blended yarn in a dye solution, heating to 70-90 ℃, and dyeing for 60-90 min; after dyeing, taking out the blended yarn, cleaning with clear water, dehydrating and drying to obtain the yarn for the lining fabric;
3) and (5) knitting socks.
Further preferably, the preparation method of the antibacterial socks is characterized by comprising the following steps:
1) preparing yarns for the outer-layer fabric:
placing 40-50 parts by weight of kapok fiber, 40-50 parts by weight of cotton fiber or tencel or modal fiber or flax fiber or bamboo fiber in a stirrer, and stirring at the rotating speed of 400-600 revolutions per minute for 20-30 min; then adding 1-3 parts by weight of a softening agent, 2-6 parts by weight of a dispersing agent and 80-100 parts by weight of water, stirring for the second time, and stirring for 5-10 min at a rotating speed of 400-600 rpm to obtain a mixture;
after the mixture is dried, performing conventional roving, spinning, spooling, yarn steaming and doubling treatment to obtain 40-140D blended yarns;
soaking the blended yarn in a dye solution at 25-30 ℃, heating to 70-90 ℃ at the speed of 1.5-2.5 ℃/min, and dyeing for 60-90 min at 70-90 ℃; after dyeing is finished, taking out the blended yarn, washing with clear water, dehydrating, and drying at 40-60 ℃ for 24-36 h to obtain the yarn for the outer-layer fabric;
2) preparing yarns for the inner layer fabric:
placing 10-20 parts by weight of spandex, 20-30 parts by weight of kapok fiber, 20-30 parts by weight of cotton fiber or tencel or modal fiber or flax fiber or bamboo fiber and 10-20 parts by weight of zinc oxide/gelatin/polyvinyl alcohol composite antibacterial fiber into a stirrer, and stirring at the rotating speed of 400-600 revolutions per minute for 20-30 min; then adding 1-3 parts by weight of a softening agent, 2-6 parts by weight of a dispersing agent, 0.15-0.90 part by weight of an antibacterial agent and 80-100 parts by weight of water, stirring for the second time, and stirring for 5-10 min at the rotating speed of 400-600 rpm to obtain a mixture;
after the mixture is dried, performing conventional roving, spinning, spooling, yarn steaming and doubling treatment to obtain 40-140D blended yarns;
soaking the blended yarn in a dye solution at 25-30 ℃, heating to 70-90 ℃ at the speed of 1.5-2.5 ℃/min, and dyeing for 60-90 min at 70-90 ℃; after dyeing, taking out the blended yarn, washing with clean water, dehydrating, and drying at 40-60 ℃ for 24-36 h to obtain the yarn for the inner fabric;
3) knitting socks:
the method comprises the following steps of (1) knitting the stockings through a stocking machine, controlling the yarn for the outer fabric to be always on the outer layer of the stockings in the knitting process, controlling the yarn for the inner fabric and the nano silver fiber or silver wire to be always on the inner layer of the stockings, and performing traceless stitching on the sock heads after the stockings are off the machine to obtain the stockings; and the stockings are subjected to conventional shaping, quality inspection and packaging to obtain the antibacterial stockings which are not easy to fade.
Preferably, the mass volume ratio of the blended yarns and the dye liquor in the steps 1) and 2) is 1Kg (30-50) L;
the dye solution comprises 2.5-5.0 wt% of collard extract, 2-10 wt% of metal mordant and the balance of water;
adjusting the pH value of the dye solution to 4-6 by acetic acid or sodium hydroxide;
the metal mordant is one of copper sulfate, ferrous sulfate, potassium dichromate and aluminum potassium sulfate.
Collard is Brassica oleracea L var. acephala form. tricolor Hort.
The invention has the beneficial effects that:
1. according to the anti-fading antibacterial socks, the zinc oxide/gelatin/polyvinyl alcohol composite antibacterial fiber with antibacterial property and the antibacterial substances such as the polygonum hydropiper extract, the dehydroquassine, the vanillin and the like are added into the raw materials to prepare the anti-bacterial yarn with the antibacterial property, and finally the anti-bacterial socks with the remarkable antibacterial property are woven.
2. The antibacterial socks not easy to fade have excellent antibacterial property and good soaping color fastness. The invention adopts the kale extract as a natural dye to dye the yarn, so that the soaping fastness of the finally obtained antibacterial socks is more than grade 3.
Detailed Description
In the examples, the sources of the raw materials are as follows:
spandex: polyurethane fiber, fiber length 50mm, fineness 2.4dtex, Zhu Shi boat chemical fiber warp portion;
kapok fiber: the fiber length is about 20mm, and the fiber is purchased from Sanchensu trade company of Nanning city;
bamboo fiber: the fiber length is about 38mm, the fiber fineness is 1.5D, and the fiber is purchased from Hangzhou Jiekang bamboo fiber products, Inc.;
plating nano silver fibers: nylon 6 is taken as a matrix, the silver content is 18 percent, the fiber fineness is 140D, and the nylon fiber is purchased from Daoyuan Dai special weaving science and technology Co., Ltd;
dioctadecyldimethylammonium chloride: CAS number: 107-64-2, the content is more than or equal to 75 percent, and the product is produced by a chemical industry Co., Ltd;
vinyl bis stearamide: CAS number: 110-30-5 percent, the content is more than or equal to 99 percent, Shandong Haoyao new material Co., Ltd;
dehydroquassine: CAS number 65236-62-6, content not less than 98%, Shanghai Fengshu Biotech limited;
vanillin: vanillin, CAS number: 121-33-5, the content is more than or equal to 99 percent, and the chemical technology of Shandong Jiaying is limited;
the preparation method of the zinc oxide/gelatin/polyvinyl alcohol composite antibacterial fiber comprises the following steps:
mixing 1Kg of zinc oxide with the average particle size of 20nm, 2Kg of gelatin, 20Kg of polyvinyl alcohol and 77Kg of water, heating to 95 ℃, continuously stirring for 30min at the rotating speed of 200 r/min, adjusting the pH to 8.0 by using 0.1 mol/L hydrochloric acid, standing and defoaming for 8h to obtain a spinning stock solution;
carrying out conventional wet spinning on the spinning stock solution, wherein the temperature of a coagulation bath is 45 ℃, the pH value is 8.0, and carrying out drafting, drying and heat setting to obtain a semi-finished fiber; and (3) washing, drying and cutting the semi-finished fiber to prepare the zinc oxide/gelatin/polyvinyl alcohol composite antibacterial fiber.
Zinc oxide: average particle size of 20 + -5 nm, Shanghai Allantin Biotechnology Co., Ltd;
gelatin: CAS number: 9000-70-8, Jining Tenuo chemical Co., Ltd;
polyvinyl alcohol: model PVA-117, molecular weight about 145000, Shanghai Allantin Biotechnology Ltd;
polygonum hydropiper extract:
cleaning whole plant of herba Polygoni Hydropiperis, sun drying, pulverizing with ST-510Y Saite Chinese medicinal pulverizer, sieving with 40 mesh sieve, placing 500g pulverized medicinal materials in 2L round bottom flask, adding 1.5L distilled water;
heating a round-bottom flask, extracting by using a volatile oil extractor, timing from reflux, and extracting for 24 hours;
the resulting distillate was extracted with petroleum ether, and the extract was dried over anhydrous sodium sulfate. Filtering to remove sodium sulfate, rotary evaporating at 50 deg.C under reduced pressure to remove petroleum ether until volume is no longer reduced, stopping evaporation to obtain herba Polygoni Hydropiperis extract, sealing, and storing in dark place.
Fresh spring knotweed herb: vinca-tairen biotechnology limited, origin: changbai mountain.
The preparation method of the kale extract comprises the following steps:
cleaning fresh collard leaves, air drying, cutting, adding 1Kg of the above collard leaves and 2L water into 5L round-bottom flask, heating and refluxing in 100 deg.C oil bath for 2h, cooling to room temperature, vacuum filtering, rotary evaporating the filtrate at 50 deg.C water bath under reduced pressure for 1h to obtain collard extract.
Collard: shouguedhidsheng agricultural development limited, provenance: the Netherlands.
Example 1
The preparation method of the antibacterial socks is characterized by comprising the following steps:
1. preparing yarns for the outer-layer fabric:
50 parts by weight of kapok fiber and 50 parts by weight of bamboo fiber are placed in a stirrer and stirred for 20min at the rotating speed of 500 revolutions per minute; then adding 2 parts by weight of softening agent, 4 parts by weight of dispersing agent and 100 parts by weight of water, stirring for the second time, and stirring for 10min at the rotating speed of 500 revolutions per minute to obtain a mixture;
drying the mixture, and then carrying out conventional roving, spinning, spooling, yarn steaming and doubling to obtain 140D blended yarn;
soaking the blended yarn in a dye solution at 25 ℃, heating to 90 ℃ at the speed of 1.5 ℃/min, dyeing for 60min at 90 ℃, taking out the blended yarn after dyeing, putting the blended yarn into a cleaning cylinder for cleaning for 6 times at the cleaning bath ratio of 1 Kg: 50L, dehydrating for 3min under an SS752-500 industrial dehydrator (Sanjiang pump Co., Ltd., Tanzhou) with the rotation speed of 800 r/min after cleaning, and then drying for 24h under a 60 ℃ F L D-2000 large-scale industrial hot air circulation oven (Shanghai solid shell instrument and equipment factory) to obtain the yarn for the outer-layer fabric;
2. preparing yarns for the inner layer fabric:
placing 20 parts by weight of spandex, 30 parts by weight of kapok fiber and 30 parts by weight of bamboo fiber into a stirrer, and stirring for 20min at the rotating speed of 500 revolutions per minute; then adding 2 parts by weight of softening agent, 4 parts by weight of dispersing agent and 100 parts by weight of water, stirring for the second time, and stirring for 10min at the rotating speed of 500 revolutions per minute to obtain a mixture;
drying the mixture, and then carrying out conventional roving, spinning, spooling, yarn steaming and doubling to obtain 140D blended yarn;
soaking the blended yarns in a dye solution at 25 ℃, heating to 90 ℃ at the speed of 1.5 ℃/min, dyeing for 60min at 90 ℃, taking out the blended yarns after dyeing, putting the blended yarns into a cleaning cylinder for cleaning for 6 times at the cleaning bath ratio of 1 Kg: 50L, dehydrating for 3min under an SS752-500 industrial dehydrator (Sanjiang pump Co., Ltd., Tanzhou) with the rotation speed of 800 r/min after cleaning, and then drying for 24h in a 60 ℃ F L D-2000 large-scale industrial hot air circulation oven (Shanghai solid shell instrument and equipment factory) to obtain the yarns for the lining fabric;
3. knitting socks:
the method comprises the steps of knitting the stockings through an EW-016-DIA L RIB single-needle-cylinder hosiery machine (Oldham weft textile machinery (Guangdong)) to control yarns for outer fabrics to be always on the outer layer of the stockings in the knitting process, controlling yarns for inner fabrics and plated nano-silver fibers or silver wires to be always on the inner layer of the stockings, performing traceless sewing on sock heads after the stockings are off the machine to obtain the stockings, and performing conventional shaping, quality inspection and packaging on the stockings to obtain the fadeless antibacterial stockings.
The mass volume ratio of the blended yarns to the dye solution in the steps 1 and 2 is 1Kg to 40L, the dye solution comprises 5.0 wt% of kale extract, 6 wt% of metal mordant and the balance of water, the pH value of the dye solution is 4, the pH value is adjusted by 0.1 mol/L of acetic acid, and the metal mordant is copper sulfate.
The silver content of the nano silver plated fiber is 18 wt%, and the fiber fineness is 140D.
The softening agent is dioctadecyl dimethyl ammonium chloride.
The dispersing agent is vinyl bis stearamide.
Example 2
The preparation method of the antibacterial socks is characterized by comprising the following steps:
1. preparing yarns for the outer-layer fabric:
50 parts by weight of kapok fiber and 50 parts by weight of bamboo fiber are placed in a stirrer and stirred for 20min at the rotating speed of 500 revolutions per minute; then adding 2 parts by weight of softening agent, 4 parts by weight of dispersing agent and 100 parts by weight of water, stirring for the second time, and stirring for 10min at the rotating speed of 500 revolutions per minute to obtain a mixture;
drying the mixture, and then carrying out conventional roving, spinning, spooling, yarn steaming and doubling to obtain 140D blended yarn;
soaking the blended yarn in a dye solution at 25 ℃, heating to 90 ℃ at the speed of 1.5 ℃/min, dyeing for 60min at 90 ℃, taking out the blended yarn after dyeing, putting the blended yarn into a cleaning cylinder for cleaning for 6 times at the cleaning bath ratio of 1 Kg: 50L, dehydrating for 3min under an SS752-500 industrial dehydrator (Sanjiang pump Co., Ltd., Tanzhou) with the rotation speed of 800 r/min after cleaning, and then drying for 24h under a 60 ℃ F L D-2000 large-scale industrial hot air circulation oven (Shanghai solid shell instrument and equipment factory) to obtain the yarn for the outer-layer fabric;
2. preparing yarns for the inner layer fabric:
placing 20 parts by weight of spandex, 30 parts by weight of kapok fiber, 30 parts by weight of bamboo fiber and 20 parts by weight of zinc oxide/gelatin/polyvinyl alcohol composite antibacterial fiber into a stirrer, and stirring for 20min at the rotating speed of 500 revolutions per minute; then adding 2 parts by weight of softening agent, 4 parts by weight of dispersing agent and 100 parts by weight of water, stirring for the second time, and stirring for 10min at the rotating speed of 500 revolutions per minute to obtain a mixture;
drying the mixture, and then carrying out conventional roving, spinning, spooling, yarn steaming and doubling to obtain 140D blended yarn;
soaking the blended yarns in a dye solution at 25 ℃, heating to 90 ℃ at the speed of 1.5 ℃/min, dyeing for 60min at 90 ℃, taking out the blended yarns after dyeing, putting the blended yarns into a cleaning cylinder for cleaning for 6 times at the cleaning bath ratio of 1 Kg: 50L, dehydrating for 3min under an SS752-500 industrial dehydrator (Sanjiang pump Co., Ltd., Tanzhou) with the rotation speed of 800 r/min after cleaning, and then drying for 24h in a 60 ℃ F L D-2000 large-scale industrial hot air circulation oven (Shanghai solid shell instrument and equipment factory) to obtain the yarns for the lining fabric;
3. knitting socks:
the method comprises the steps of knitting the stockings through an EW-016-DIA L RIB single-needle-cylinder hosiery machine (Oldham weft textile machinery (Guangdong)) to control yarns for outer fabrics to be always on the outer layer of the stockings in the knitting process, controlling yarns for inner fabrics and plated nano-silver fibers or silver wires to be always on the inner layer of the stockings, performing traceless sewing on sock heads after the stockings are off the machine to obtain the stockings, and performing conventional shaping, quality inspection and packaging on the stockings to obtain the fadeless antibacterial stockings.
The mass volume ratio of the blended yarns to the dye solution in the steps 1 and 2 is 1Kg to 40L, the dye solution comprises 5.0 wt% of kale extract, 6 wt% of metal mordant and the balance of water, the pH value of the dye solution is 4, the pH value is adjusted by 0.1 mol/L of acetic acid, and the metal mordant is copper sulfate.
The silver content of the nano silver plated fiber is 18 wt%, and the fiber fineness is 140D.
The softening agent is dioctadecyl dimethyl ammonium chloride.
The dispersing agent is vinyl bis stearamide.
Example 3
The preparation method of the antibacterial socks is characterized by comprising the following steps:
1. preparing yarns for the outer-layer fabric:
50 parts by weight of kapok fiber and 50 parts by weight of bamboo fiber are placed in a stirrer and stirred for 20min at the rotating speed of 500 revolutions per minute; then adding 2 parts by weight of softening agent, 4 parts by weight of dispersing agent and 100 parts by weight of water, stirring for the second time, and stirring for 10min at the rotating speed of 500 revolutions per minute to obtain a mixture;
drying the mixture, and then carrying out conventional roving, spinning, spooling, yarn steaming and doubling to obtain 140D blended yarn;
soaking the blended yarn in a dye solution at 25 ℃, heating to 90 ℃ at the speed of 1.5 ℃/min, dyeing for 60min at 90 ℃, taking out the blended yarn after dyeing, putting the blended yarn into a cleaning cylinder for cleaning for 6 times at the cleaning bath ratio of 1 Kg: 50L, dehydrating for 3min under an SS752-500 industrial dehydrator (Sanjiang pump Co., Ltd., Tanzhou) with the rotation speed of 800 r/min after cleaning, and then drying for 24h under a 60 ℃ F L D-2000 large-scale industrial hot air circulation oven (Shanghai solid shell instrument and equipment factory) to obtain the yarn for the outer-layer fabric;
2. preparing yarns for the inner layer fabric:
placing 20 parts by weight of spandex, 30 parts by weight of kapok fiber, 30 parts by weight of bamboo fiber and 20 parts by weight of zinc oxide/gelatin/polyvinyl alcohol composite antibacterial fiber into a stirrer, and stirring for 20min at the rotating speed of 500 revolutions per minute; then adding 2 parts by weight of softening agent, 4 parts by weight of dispersing agent, 0.60 part by weight of antibacterial agent and 100 parts by weight of water, stirring for the second time, and stirring for 10min at the rotating speed of 500 revolutions per minute to obtain a mixture;
drying the mixture, and then carrying out conventional roving, spinning, spooling, yarn steaming and doubling to obtain 140D blended yarn;
soaking the blended yarns in a dye solution at 25 ℃, heating to 90 ℃ at the speed of 1.5 ℃/min, dyeing for 60min at 90 ℃, taking out the blended yarns after dyeing, putting the blended yarns into a cleaning cylinder for cleaning for 6 times at the cleaning bath ratio of 1 Kg: 50L, dehydrating for 3min under an SS752-500 industrial dehydrator (Sanjiang pump Co., Ltd., Tanzhou) with the rotation speed of 800 r/min after cleaning, and then drying for 24h in a 60 ℃ F L D-2000 large-scale industrial hot air circulation oven (Shanghai solid shell instrument and equipment factory) to obtain the yarns for the lining fabric;
3. knitting socks:
the method comprises the steps of knitting the stockings through an EW-016-DIA L RIB single-needle-cylinder hosiery machine (Oldham weft textile machinery (Guangdong)) to control yarns for outer fabrics to be always on the outer layer of the stockings in the knitting process, controlling yarns for inner fabrics and plated nano-silver fibers or silver wires to be always on the inner layer of the stockings, performing traceless sewing on sock heads after the stockings are off the machine to obtain the stockings, and performing conventional shaping, quality inspection and packaging on the stockings to obtain the fadeless antibacterial stockings.
The mass volume ratio of the blended yarns to the dye solution in the steps 1 and 2 is 1Kg to 40L, the dye solution comprises 5.0 wt% of kale extract, 6 wt% of metal mordant and the balance of water, the pH value of the dye solution is 4, the pH value is adjusted by 0.1 mol/L of acetic acid, and the metal mordant is copper sulfate.
The silver content of the nano silver plated fiber is 18 wt%, and the fiber fineness is 140D.
The softening agent is dioctadecyl dimethyl ammonium chloride.
The dispersing agent is vinyl bis stearamide.
The antibacterial agent is prepared by mixing polygonum capilalum extract, dehydroquassinin and vanillin according to the mass ratio of 1:3: 3.
Example 4
Essentially the same as example 3, except that: the antibacterial agent is prepared by mixing polygonum capitatum extract and dehydroquassine according to the mass ratio of 1: 6.
Example 5
Essentially the same as example 3, except that: the antibacterial agent is prepared by mixing polygonum verniciatum extract and vanillin according to the mass ratio of 1: 6.
Example 6
Essentially the same as example 3, except that: the antibacterial agent is prepared by mixing dehydroquassine and vanillin according to the mass ratio of 1: 1.
Test example 1
The national standard GB/T20994.3-2008' evaluation part 3 of antibacterial performance of textiles: the antibacterial property of the antibacterial socks which are prepared in the examples 1-3 and are not easy to fade is quantitatively tested by the oscillation method, the antibacterial rate of the fabric after being washed for 30 times is tested by a washing fastness tester, and the test results are shown in table 1.
TABLE 1 test table of antibacterial rate after 30-time washing (%)
As shown in table 1, the fadeless antibacterial socks prepared in example 3 have significant antibacterial effects, and the antibacterial rates to escherichia coli, staphylococcus aureus and bacillus subtilis are 99.9%, 97.6% and 99.3%, respectively. Through comparison of the embodiments 1 to 3, the antibacterial capability of the antibacterial socks which are not easy to fade can be remarkably improved by adding the zinc oxide/gelatin/polyvinyl alcohol composite antibacterial fiber and the antibacterial agent into the raw materials of the antibacterial socks which are not easy to fade. The reason for this may be: the zinc oxide nano-particles in the zinc oxide/gelatin/polyvinyl alcohol composite antibacterial fiber damage cell walls through contact with bacteria so as to destroy the integrity of cells. Meanwhile, the zinc oxide nano-particles can generate O under visible light2-、H2O2A series of reactive oxygen species; these substances can penetrate into bacterial cells, limit the metabolism of the cells by destroying enzymes, lipids and DNA in the bacterial cells, and ultimately lead to bacterial death. Moreover, the added antibacterial agents (polygonum hydropiper extract, dehydroquassine and vanillin) have good antibacterial effects.
Test example 2
The color fastness test of the antibacterial socks prepared in the examples refers to the national standard GB/T3921-2008 soaping color fastness test of textile color fastness test of the people's republic of China.
TABLE 2 soaping fastness of fadeless antibacterial socks prepared in example
| Examples | Fastness to soaping |
| Example 3 | Grade 5 |
| Example 4 | Grade 3 |
| Example 5 | 3 to 4 grades |
| Example 6 | Grade 3 |
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (5)
1. The preparation method of the antibacterial socks not prone to fading is characterized in that the antibacterial socks are composed of 40-60 wt% of outer-layer fabric and 40-60 wt% of inner-layer fabric; the outer layer fabric is woven by outer layer fabric yarns; the inner layer fabric is woven by 70-80 wt% of inner layer fabric and 20-30 wt% of nano silver plated fiber or silver wire;
the preparation method comprises the following steps:
1) preparing yarns for the outer-layer fabric:
placing 40-50 parts by weight of kapok fiber, 40-50 parts by weight of cotton fiber or tencel or modal fiber or flax fiber or bamboo fiber in a stirrer, adding 1-3 parts by weight of a softening agent, 2-6 parts by weight of a dispersing agent and 80-100 parts by weight of water, and stirring to obtain a mixture;
after the mixture is dried, performing conventional roving, spinning, spooling, yarn steaming and doubling treatment to obtain 40-140D blended yarns;
soaking the blended yarn in a dye solution, heating to 70-90 ℃, and dyeing for 60-90 min; taking out the blended yarn, washing with water, dehydrating and drying to obtain the yarn for the outer-layer fabric;
2) preparing yarns for the inner layer fabric:
placing 10-20 parts by weight of spandex, 20-30 parts by weight of kapok fiber, 20-30 parts by weight of cotton fiber or tencel or modal fiber or flax fiber or bamboo fiber, 10-20 parts by weight of zinc oxide/gelatin/polyvinyl alcohol composite antibacterial fiber into a stirrer, and then adding 1-3 parts by weight of a softening agent, 2-6 parts by weight of a dispersing agent, 0.15-0.90 part by weight of an antibacterial agent and 80-100 parts by weight of water to stir to obtain a mixture;
after the mixture is dried, performing conventional roving, spinning, spooling, yarn steaming and doubling treatment to obtain 40-140D blended yarns;
soaking the blended yarn in a dye solution, heating to 70-90 ℃, and dyeing for 60-90 min; after dyeing, taking out the blended yarn, cleaning with clear water, dehydrating and drying to obtain the yarn for the lining fabric;
3) knitting socks;
the zinc oxide/gelatin/polyvinyl alcohol composite antibacterial fiber is prepared from 0.5-2.0 wt% of ZnO, 2.0-3.0 wt% of gelatin, 10-20 wt% of polyvinyl alcohol and the balance of water;
the antibacterial agent is prepared from polygonum verniciatum extract, dehydroquassine and vanillin according to the mass ratio of 1: (2-4): (2-4) mixing.
2. The method for preparing a fade-resistant antimicrobial sock according to claim 1, comprising the steps of:
1) preparing yarns for the outer-layer fabric:
placing 40-50 parts by weight of kapok fiber, 40-50 parts by weight of cotton fiber or tencel or modal fiber or flax fiber or bamboo fiber in a stirrer, and stirring at the rotating speed of 400-600 revolutions per minute for 20-30 min; then adding 1-3 parts by weight of a softening agent, 2-6 parts by weight of a dispersing agent and 80-100 parts by weight of water, stirring for the second time, and stirring for 5-10 min at a rotating speed of 400-600 rpm to obtain a mixture;
after the mixture is dried, performing conventional roving, spinning, spooling, yarn steaming and doubling treatment to obtain 40-140D blended yarns;
soaking the blended yarn in a dye solution at 25-30 ℃, heating to 70-90 ℃ at the speed of 1.5-2.5 ℃/min, and dyeing for 60-90 min at 70-90 ℃; after dyeing is finished, taking out the blended yarn, washing with water, dehydrating, and drying at 40-60 ℃ for 24-36 h to obtain the yarn for the outer-layer fabric;
2) preparing yarns for the inner layer fabric:
placing 10-20 parts by weight of spandex, 20-30 parts by weight of kapok fiber, 20-30 parts by weight of cotton fiber or tencel or modal fiber or flax fiber or bamboo fiber and 10-20 parts by weight of zinc oxide/gelatin/polyvinyl alcohol composite antibacterial fiber into a stirrer, and stirring at the rotating speed of 400-600 revolutions per minute for 20-30 min; then adding 1-3 parts by weight of a softening agent, 2-6 parts by weight of a dispersing agent, 0.15-0.90 part by weight of an antibacterial agent and 80-100 parts by weight of water, stirring for the second time, and stirring for 5-10 min at the rotating speed of 400-600 rpm to obtain a mixture;
after the mixture is dried, performing conventional roving, spinning, spooling, yarn steaming and doubling treatment to obtain 40-140D blended yarns;
soaking the blended yarn in a dye solution at 25-30 ℃, heating to 70-90 ℃ at the speed of 1.5-2.5 ℃/min, and dyeing for 60-90 min at 70-90 ℃; after dyeing, taking out the blended yarn, washing with clean water, dehydrating, and drying at 40-60 ℃ for 24-36 h to obtain the yarn for the inner fabric;
3) knitting socks;
the method comprises the following steps of (1) knitting a stocking blank through a stocking machine, controlling the outer fabric yarn to be always on the outer layer of the stocking during knitting, and sewing the toe without traces after the stocking is off the machine to obtain the stocking blank; and (3) conventionally shaping, inspecting quality and packaging the stockings to obtain the antibacterial socks which are not easy to fade.
3. The method for manufacturing antibacterial socks according to claim 1, characterized in that: the softening agent in the yarn for the outer layer fabric and the softening agent in the yarn for the inner layer fabric are respectively and independently one or more of polyether amino modified polysiloxane, dioctadecyl dimethyl ammonium chloride and triethanolamine stearate betaine; the dispersing agent in the yarn for the outer layer fabric and the dispersing agent in the yarn for the inner layer fabric are respectively and independently vinyl bis stearamide or sodium lignosulfonate.
4. The method for manufacturing antibacterial socks according to claim 2, characterized in that: the nano silver plated fiber contains 15-20 wt% of silver and has a fiber fineness of 40-140D; the silver wire is 40-140D silver wire.
5. Antibacterial socks which are not easy to fade are characterized by being prepared by the method according to any one of claims 1 to 4.
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| CN108716115B (en) * | 2018-05-28 | 2021-07-09 | 扬州天富龙科技纤维有限公司 | Antibacterial fiber, preparation method and application thereof |
| CN109338580A (en) * | 2018-10-24 | 2019-02-15 | 佛山源诚顺生态纺织科技有限公司 | A kind of antibiotic conductive silver fiber bamboo fiber blended knitted fabric |
| CN110318131A (en) * | 2019-04-15 | 2019-10-11 | 南通通州江华纺织有限公司 | A kind of processing method and resulting product of high resiliency tear-proof CVC mixed yarn |
| CN110820126B (en) * | 2019-11-26 | 2021-06-08 | 湖南尚珂伊针纺有限公司 | Comfortable and easy-to-dye sock-weaving fabric |
| CN111719196A (en) * | 2020-07-31 | 2020-09-29 | 储旭 | Composite antibacterial fiber and preparation method thereof |
| CN111876879A (en) * | 2020-07-31 | 2020-11-03 | 储旭 | Antibacterial fabric and preparation method thereof |
| CN112472420A (en) * | 2020-11-04 | 2021-03-12 | 胡数丽 | Ultrahigh molecular polyethylene fiber varicose vein socks and production equipment thereof |
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