CN105908487B - The method of extract solution from aloe fabricated in situ nano silver fabric and obtained fabric - Google Patents
The method of extract solution from aloe fabricated in situ nano silver fabric and obtained fabric Download PDFInfo
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- CN105908487B CN105908487B CN201610262214.5A CN201610262214A CN105908487B CN 105908487 B CN105908487 B CN 105908487B CN 201610262214 A CN201610262214 A CN 201610262214A CN 105908487 B CN105908487 B CN 105908487B
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/58—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with nitrogen or compounds thereof, e.g. with nitrides
- D06M11/64—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with nitrogen or compounds thereof, e.g. with nitrides with nitrogen oxides; with oxyacids of nitrogen or their salts
- D06M11/65—Salts of oxyacids of nitrogen
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/25—Resistance to light or sun, i.e. protection of the textile itself as well as UV shielding materials or treatment compositions therefor; Anti-yellowing treatments
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- Chemical & Material Sciences (AREA)
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- General Chemical & Material Sciences (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The present invention relates to nano silver fabric arts, the more particularly to method of extract solution from aloe fabricated in situ nano silver fabric and obtained fabric.The method of extract solution from aloe fabricated in situ nano silver fabric, comprises the following steps：Cotton fabric is immersed in the silver nitrate solution that mass concentration is more than 1% and soaks at least 20min, then vacuum drying；The cotton fabric of drying is put into extract solution from aloe and is soaked, the temperature of immersion is 30 55 DEG C, and the time of immersion is more than 30min, after the completion of immersion, by cotton fabric low temperature drying.The method of extract solution from aloe fabricated in situ nano silver fabric provided by the invention, active chemical in aloe and nitric acid silver reaction are obtained into nano-particle, and the organic chemical composition in aloe plays the role of a stabilization, the synthetic medium of green, obtained nano-particle is incorporated into cotton fabric, the uvioresistant performance and anti-microbial property of cotton fabric are significantly increased, and the performance has good water-wash resistance.
Description
Technical field
The present invention relates to nano silver fabric arts, in particular to extract solution from aloe fabricated in situ nano silver fabric
Method and obtained fabric.
Background technology
Nano material due to its unique skin effect, bulk effect, quantum size effect and macroscopical tunnel-effect etc., and
Many unusual physics, chemical property are showed, in research fields such as chemical industry, weaving, light industry, electronics, life science, medicine
Show and its important application value.By Application of micron to finishing functions of textile fabrics field, develop multi-functional, high additional
The fabric of value, it will huge economical, societal benefits are created in following textile industry.
Now studies have found that, nano silver is incorporated in textile in the form of single form or compound, not only assigns fabric
Persistently, efficiently, the antibacterial functions of spectrum, while also assign antistatic some fabrics, anti-electromagnetic-radiation, conduction and absorb part
The function of ultraviolet, and can also improve some stability for meeting material.Therefore, nano silver is in natural fiber, synthetic fibers
And its fabrics for industrial use such as fabric and non-woven cloth, laminate composite fabric, composite material are widely used.
Existing nano silver usually first prepares nano silver colloidal sol liquid, such as Application No. applied to fabric
201210515270.7 disclose a kind of method that nano-silver hydrosol is prepared with plant extraction liquid, and this method is will be soluble straight
Chain starch dissolution is scattered in deionized water, is stirred to complete gelatinization, is obtained starch-silver ammonia after addition silver ammino solution mixing and answer
Close solution；Composite solution is frozen into ice cube, is ground into colloidal particle ice powder, is added in alkaline soil plant leaf extract fully
Mixing, obtains the sodium rice silver hydrosol that particle diameter is 1-100nm.It is nano-silver hydrosol made from this method is final, itself system
Preparation Method is complex, and is applied on fabric then so that preparing for nano silver fabric is increasingly complex.
Nano silver also directly applies to fabric, as Application No. 201010207754.6 disclose it is a kind of to impregnate work
The method that skill prepares nano silver-containing anti-bacterial fabric, including：Dopamine hydrochloride is dissolved in Tris buffer solutions, is adjusted with hydrochloric acid
Solution ph is in the range of 7-10；Then fabric is impregnated in the dopamine solution of above-mentioned preparation with 1: 30 bath raio, in
Taken out after 20-40 DEG C of stirring reaction 20-30h, cleaning, obtain the fabric of coating poly-dopamine film；Fabric is put into nitric acid again
In silver-colored aqueous solution, after impregnating 8-10h, cleaning, drying, obtain carrying nano silver fabric.Nano silver contains in fabric made from this method
Amount need to be improved.
In view of this, it is special to propose the present invention.
The content of the invention
The first object of the present invention is the method for providing extract solution from aloe fabricated in situ nano silver fabric, and this method utilizes
The component contained in aloe, is reacted with silver nitrate, and obtained nano-particle is incorporated into fabric, significantly increases the anti-of fabric
Ultraviolet performance and anti-microbial property, and the performance has good water-wash resistance.
The second object of the present invention is to provide a kind of method of the extract solution from aloe fabricated in situ nano silver fabric
Obtained fabric.
In order to realize the above-mentioned purpose of the present invention, spy uses following technical scheme：
The method of extract solution from aloe fabricated in situ nano silver fabric, comprises the following steps：
(a), cotton fabric is immersed into lucifuge in the silver nitrate solution that mass concentration is more than 1% and soaks at least 20min, then
Vacuum drying；
(b), the cotton fabric of drying is put into extract solution from aloe and soaked, the temperature of immersion is 30-55 DEG C, the time of immersion
For more than 30min, after the completion of immersion, by cotton fabric low temperature drying.
The method of extract solution from aloe fabricated in situ nano silver fabric provided by the invention, experiment proves that, selection will first knit
Thing is soaked with silver nitrate solution, is then soaked again with extract solution from aloe；Contain substantial amounts of flavone compound in aloe, it spreads all over
Plant all sites, in addition, also containing the organic of substantial amounts of anthraquinone analog compound, glucide and fraction in aloe
Acid, vitamin, polypeptide, protein, various trace elements isoreactivity component, wherein amino acid, polypeptide, vitamin etc. constitute reed
Main alkaloid component in luxuriant growth, and the hydro carbons such as aldehyde therein, carboxylic acid, ketone, ester and containing oxygen derivative are terpenes main in aloe
Class compound；In this way, the flavonoids, alkaloid, terpene, Anthraquinones, Polyphenols chemical composition in aloe can be anti-with silver nitrate
Nano-particle should be obtained, and the organic chemical composition in aloe plays the role of a stabilization, the synthetic medium of green, obtains
Nano-particle is incorporated into cotton fabric, significantly increases the uvioresistant performance and anti-microbial property of cotton fabric, and the performance has very
Good water-wash resistance.
Because the amount of aloe gel extracting solution is certain in solution, reducing substances therein is also fixed, works as silver nitrate
After excessive concentration, the Argent grain that can be reduced in extract solution from aloe also reaches maximum, therefore UPF increases are no longer obvious, examine
Consider influence and the experimental cost of experimental error, it is preferable that in step (a), the mass concentration of the silver nitrate is 1%-
5%, it is preferably 2%-4%, more preferably 3%-4%.
Fabric is with the extension of the dip time in silver nitrate solution, and fabric UPF values gradually increase, but the time is more than a timing
Between after, UPF values are on a declining curve, this is because dip time is long, the nano-Ag particles of generation come off from fabric and cause.It is excellent
Selection of land, in step (a), the time of immersion is 40-120min, more preferably 40-90min, more preferably 50-70min.
In order to reach faster drying rate, and the silver nitrate for preventing from being formed on fabric comes off, and reaches certain fixed work
With further, in step (a), the temperature that the vacuum drying uses is preferably 55-60 DEG C for 50-65 DEG C.
Fabric soaks in extract solution from aloe, and bath raio is bigger, and aloe concentration is constant, and the total amount of reaction solution is bigger, and knits
The amount of silver nitrate is certain on thing, this concentration in the solution for allowing for silver nitrate reduces, and is more prone to split away off from fabric,
Reduce UPF.Preferably, in step (b), the bath raio is 1:10-20；Preferably 1:14-17；More preferably 1:15.
Because temperature rise is conducive to the swelling of fiber and the absorption of nano silver particles and diffusion；And temperature is excessive, cotton is knitted
Thing UPF values have declined, the reason is that when temperature is excessive, the rise of temperature can reduce the reducing substances activity in aloe,
The nano-Ag particles of reduction also tail off, while a small amount of Argent grain can be made to be split away off from plant.Preferably, in step (b)
In, the temperature of immersion is 35-50 DEG C, more preferably 40-42 DEG C.
With the increase of fabric soaking time in extract solution from aloe, the linear trend rise of UPF values of cotton fabric, explanation
Fabric soaking time in extract solution from aloe is longer, and the Argent grain synthesized on fabric is more, and the UPF of fabric is also higher.But exceed
After certain time, UPF is worth increase to become no longer obvious, this is because absorption of the fiber to silver particles tends to saturation, UPF values
Gather way and tend towards stability, it is contemplated that the terseness of experiment, it is preferable that in step (b), the time of immersion is 60-
90min, more preferably 60-75min.
In order to reach faster drying rate, and the nano silver to being formed on fabric plays further fixation, excellent
Selection of land, in step (b), the temperature that the low temperature drying uses is preferably 55-60 DEG C for 50-65 DEG C.
Further, the extract solution from aloe is prepared by the following method：
Fresh aloe is taken, cuts aloe mesophyll；
By the aloe mesophyll and distilled water using weight ratio as 2.5-3.5:2 mixing, boil 13-18min, filter, obtain
Filtrate be the extract solution from aloe.
It is highly preferred that the aloe mesophyll and distilled water are using weight ratio as 3:2 mixing.
Obtained extract solution from aloe is a kind of gel-like fluid material, and component therein enriches, and the concentration of each component is fitted
When being reacted beneficial to certain density silver nitrate.
Present invention also offers fabric prepared by the method.
The fabric is nano silver fabric, and nano silver particles are incorporated into fabric, significantly increase fabric uvioresistant performance and
Anti-microbial property, and the performance has good water-wash resistance.
Compared with prior art, beneficial effects of the present invention are：
(1) method of extract solution from aloe fabricated in situ nano silver fabric provided by the invention, makes flavonoids in aloe, life
Alkaloids, terpene, Anthraquinones, Polyphenols chemical composition and silver nitrate effecting reaction obtain nano-particle, and nano-particle is incorporated into cotton
In fabric, the uvioresistant performance and anti-microbial property of cotton fabric are significantly increased, and the performance has good water-wash resistance.
(2) present invention has further defined the soaking concentration and soaking time of silver nitrate so that is combined on cotton fabric
More silver nitrates, beneficial to the reaction of next step.
(3) present invention has further defined bath raio, soaking temperature and the soaking time of extract solution from aloe, with fully anti-
Should, generate more nano silver particles.
(4) present invention also offers the preparation method of extract solution from aloe, obtained extract solution from aloe is a kind of gelatinous liquid
State material, component therein enrich, and the concentration of each component is appropriate, are reacted beneficial to certain density silver nitrate.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described.
Fig. 1 is the electron-microscope scanning figure of different cotton swatch in the embodiment of the present invention 1；
Fig. 2 is the column diagram of the UPF values of different cotton swatch in the embodiment of the present invention 1；
Fig. 3 is the curve map that the concentration of silver nitrate in the embodiment of the present invention 1 influences the UPF values of cotton swatch；
Fig. 4 is the curve map that the soaking time of silver nitrate in the embodiment of the present invention 1 influences the UPF values of cotton swatch；
Fig. 5 is the curve that the bath raio in the embodiment of the present invention 1 used in extract solution from aloe influences the UPF values of cotton swatch
Figure；
Fig. 6 is the curve that the soaking temperature of extract solution from aloe in the embodiment of the present invention 1 influences the UPF values of cotton swatch
Figure；
Fig. 7 is the curve that the soaking time of extract solution from aloe in the embodiment of the present invention 1 influences the UPF values of cotton swatch
Figure；
Fig. 8 is the electron-microscope scanning figure of different cotton swatch in the embodiment of the present invention 2.
Embodiment
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the invention.It is not specified in embodiment specific
Condition person, the condition suggested according to normal condition or manufacturer carry out.Reagents or instruments used without specified manufacturer, is
The conventional products that can be obtained by commercially available purchase.
Embodiment 1
1. the preparation of extract solution from aloe：
Fresh aloe leaf is taken, cuts aloe mesophyll 120g, adds 80mL distilled water, 15min is boiled in boiling, is filtered, and preserves filtrate,
As extract solution from aloe；To remain fresh, salable placement preserves obtained extract solution from aloe at low temperature.
2. treatment process：
Scheme one：Take 1g cotton fabrics, lucifuge leaching silver nitrate solution 1h, bath raio 1:50.
Scheme two：1g cotton fabrics are taken, soak extract solution from aloe 30min, bath raio 1:20, low temperature drying；Soak silver nitrate solution
1h, bath raio 1:50, vacuum drying.
Scheme three：1g cotton fabrics are taken to be immersed in 1h in silver nitrate solution, lucifuge reaction, bath raio 1:50, after reaction
Take out cotton, vacuum drying 1.5h；Cotton is taken out and is immersed in 30min in extract solution from aloe, bath raio 1:20, after reaction
Take out cotton, low temperature drying.
Using untreated cotton fabric as blank control, the cotton obtained with three kinds for the treatment of process carries out electron-microscope scanning, knot
Fruit is as shown in Figure 1.In Fig. 1, a is blank control, and b-d is corresponding in turn to scheme one to scheme three.The UPF in fabric is measured at the same time
Value, the results are shown in Figure 2.
From Fig. 1 and Fig. 2, the UPF values of blank cotton are 20.1, and ultraviolet resistance is relatively low；Using one technique of scheme
Only cotton fabric is immersed in silver nitrate, silver nitrate and the glycosides hydroxyl reaction of the potential reproducibility in end on cotton fabric, generation
Silver attachment on the fabric, can see a small amount of particle, uvioresistant performance is obviously improved after drying, UPF from scanning electron microscope (SEM) photograph
Value reaches 130.4；In scheme two, first cotton is immersed in extract solution from aloe, aloe gel is attached on cotton fabric, then is soaked
After stain silver nitrate, a small amount of aloe and metallic silver ionic reaction on cotton fabric, while it is attached to the aloe molecule of surface of cotton fabric
There is small part to split away off, therefore only generate a small amount of nano-Ag particles, the nano-Ag particles that can be seen on scanning electron microscope (SEM) photograph compared with
It is few；In scheme three, first cotton is immersed in silver nitrate solution, then cotton is immersed in extract solution from aloe, in aloe
The materials such as flavones, Anthraquinones are fully reacted with the silver ion on cotton fabric, generate substantial amounts of nano-Ag particles, make the anti-of fabric
Ultraviolet performance is greatly improved, and UPF values reach 219.6, can clearly find out on scanning electron microscope (SEM) photograph and adhere to greatly on cotton fabric
The nano particle of amount.
3. silver nitrate concentration influences
Particles of silver nitrate is taken, compound concentration is 1%, 2%, 3%, 4%, 5% silver nitrate solution respectively, takes 1g cottons,
Bath raio is 1:20,1h is impregnated, soaks 30min in extract solution from aloe, bath raio 1 after vacuum drying:20, UPF is measured after low temperature drying
Value is as shown in Figure 3.
Fig. 3 is silver nitrate concentration on fabric UPF influence figures.From figure 3, it can be seen that when silver nitrate concentration is 1%, UPF
For 156, with the increase of silver nitrate concentration, the increase of UPF values is very fast, illustrates that concentration has a great influence UPF, when concentration reaches 3%
During with 4%, UPF reaches highest, this is because the amount of extract solution from aloe is certain in solution, reducing substances therein is also fixed
, after excessive concentration, the Argent grain that extract solution from aloe can reduce also reaches maximum, therefore UPF increases are no longer obvious,
Influence and experimental cost in view of experimental error, therefore it is optimal silver nitrate concentration to select 3%.
4. soak silver nitrate time effects
1g cottons are taken, soak silver nitrate solution, concentration 3%, bath raio 1:20, dip time be respectively 10min, 30min,
60min, 90min, 120min, 30min in extract solution from aloe, bath raio 1 are soaked after vacuum drying under room temperature environment:20, low temperature
It is as shown in Figure 4 that UPF values are measured after drying.
Fig. 4 is the leaching silver nitrate time on UPF influence figures.As can be seen from Figure 4 when dip time is shorter, dip time is got over
Long, fabric UPF values are higher, and after the time is more than 60min, UPF is on a declining curve, this is because dip time is long, generation is received
Rice Argent grain comes off from fabric and causes, therefore most suitable dip time is 60min.
5. soaking extract solution from aloe bath raio influences
1g cottons are taken, soak silver nitrate solution, concentration 3%, bath raio 1:20, dip time is respectively 60min, and vacuum is dried
30min in extract solution from aloe is soaked after dry, bath raio is respectively 1:10、1:15、1:20、1:25、1:30, measure after low temperature drying
UPF values are as shown in Figure 5.
Fig. 5 is leaching extract solution from aloe bath raio on UPF influence figures.From fig. 5, it can be seen that the bath raio of dipping aloe extract exists
1:When 15, the UPF highests of fabric, bath raio is higher than 1：After 15, bath raio is bigger, and aloe concentration is constant, and the total amount of reaction solution is got over
Greatly, and on fabric the amount of silver nitrate is certain, this concentration in the solution for allowing for silver nitrate reduces, and is more prone to take off from fabric
Fall, reduce UPF, therefore, it is 1 to select optimal dipping extract solution from aloe bath raio:15.
6. soak extract solution from aloe temperature
1g cottons are taken, soak silver nitrate solution, concentration 3%, bath raio 1:20,1h is impregnated, leaching aloe carries after vacuum drying
Take 30min in liquid, bath raio 1:20, temperature is respectively 20 DEG C, 30 DEG C, 40 DEG C, 50 DEG C, 60 DEG C, and UPF values are measured after low temperature drying
As shown in Figure 6.
Fig. 6 is influence figure of the temperature of leaching extract solution from aloe to UPF.From fig. 6, it can be seen that temperature is higher during low temperature, cotton
The UPF values of fabric are higher, and analysis is because temperature rise is conducive to the swelling of fiber and the absorption of nano silver particles and diffusion.Temperature
Degree is higher than after 40 DEG C, and temperature is higher, and cotton fabric UPF values have declined, the reason is that when temperature is higher than 40 DEG C, the rise of temperature
Can reduce the reducing substances activity in aloe, the nano-Ag particles of reduction also tail off, while can make a small amount of Argent grain from
Split away off on plant, therefore dipping temperature is suitably selected at 40 DEG C.
7. soak the extract solution from aloe time
1g cottons are taken, soak silver nitrate solution, concentration 3%, bath raio 1:20,1h is impregnated, leaching aloe carries after vacuum drying
It is respectively 15min, 30min, 45min, 60min, 75min, 90min to take in liquid the time, bath raio 1:20, temperature is 40 DEG C, low
It is as shown in Figure 7 that UPF values are measured after temperature drying.
Fig. 7 is the influence figure for soaking the extract solution from aloe time to UPF.From figure 7 it can be seen that it is immersed in extract solution from aloe
During 15min, UPF 91, increases over time, the linear trend rise of UPF values of cotton fabric, when illustrating to soak extract solution from aloe
Between it is longer, the Argent grain synthesized on fabric is more, makes the UPF of fabric also higher.After time is more than 60min, the increase of UPF values becomes
Must be no longer obvious, this is because after the time is more than 60min, absorption of the fiber to silver particles tends to saturation, the increase speed of UPF values
Degree tends towards stability, it is contemplated that the terseness of experiment, therefore it is the optimization process time to select 60min.
Embodiment 2
Test group：Multiple 1g cotton fabrics are taken to be immersed in 1h in the silver nitrate solution that mass concentration is 3%, lucifuge reaction, bath
Than for 1:20, cotton, 60 DEG C of vacuum drying 1.5h are taken out after reaction；Cotton taking-up is immersed in 40 DEG C of extract solution from aloe
Middle 60min, bath raio 1:15, cotton, 60 DEG C of drying are taken out after reaction.
Control group：Undressed cotton fabric.
First, undressed cotton fabric in the cotton fabric and control group of test group processing is subjected to electron-microscope scanning, as a result such as
Shown in Fig. 8.Control group and test group are blank cotton fabric respectively in Fig. 8 and the identical cotton that is handled under optimum process condition is knitted
The electron-microscope scanning figure of thing, the blank surface of cotton fabric of Fig. 8 control groups is more smooth, and adheres in Fig. 8 on treated cotton fabric
Substantial amounts of nano particle, has absolutely proved the accuracy of aloe fabricated in situ nano silver method provided by the invention.
2nd, antibiotic property is analyzed
Plate is drawn to Escherichia coli and staphylococcus aureus on each culture plate, three parallel bacterium are drawn on each tablet
Road, the cloth after then handling the blank cloth and test group of control group are put into Escherichia coli and staphylococcus aureus respectively
Tablet on, while be also provided with the group after the cloth of test group is washed, which is to put the cloth after washing respectively
On to the tablet of Escherichia coli and staphylococcus aureus, cloth is both placed in the centre position of bacterium colony, and Qie Yujun is vertically put in road
Put, then record antibacterial bandwidth.
Escherichia coli are gramnegative bacteriums, and staphylococcus aureus is gram-positive bacteria.In optimum process condition
The cotton fabric of lower processing carries out anti-microbial property test, and main research resists two kinds of mushrooms of Escherichia coli and staphylococcus aureus
Bacterium property.According to the upgrowth situation of Escherichia coli on tablet and staphylococcus aureus it is known that the blank cloth specimen of control group all
Without antibiotic property；And still there is excellent anti-microbial property after the cloth washing after cloth after treatment and processing.System
The antibacterial bandwidth (not having distance existing for bacterium colony around cloth) of per pass bacterium colony is counted, is specifically shown in Table 1.
1 antibacterial bandwidth of table
As can be seen from Table 1, for Escherichia coli：The antibacterial bandwidth of untreated cotton is 0mm, is not resisted
Bacterium ability；Antibacterial bandwidth on cotton fabric after fabricated in situ nano silver for 5.33mm, (deposit in 5.33mm around i.e. by no bacterium colony
), it can be seen that the anti-microbial property on cotton fabric after fabricated in situ nano silver is very good, and antibacterial bandwidth is after washing
3.77mm, although antibiotic property has declined, but still has preferable antibiotic property.For the antibacterial of staphylococcus aureus：
The antibacterial bandwidth of untreated cotton is 0mm, without antibacterial ability；The front and rear antibacterial bandwidth of washing be respectively 5.83mm and
4mm, the nano silver for illustrating to be formed on cloth also have staphylococcus aureus good antibacterial property, and washing can also have antibiotic property
It is certain to influence, but still have preferable antibiotic property.
In addition, longitudinal 2 observation table 1 is it can be found that nano silver is 5.33mm to the antibiotic property of Escherichia coli, to golden yellow Portugal
The antibiotic property of grape coccus is 5.83mm, illustrates that nano silver is slightly above staphylococcus aureus the antibiotic property of Escherichia coli.
3rd, wash durability
Cloth specimen after the cloth specimen do not washed after test group processing and test group processing washes 1 time, 5 times, the cloth specimen of 10 times, point
Anti-UV performance test is not carried out, and the results are shown in Table 2.
The UV resistance results of property of cloth specimen after the different washings of table 2
| Washing times | Do not wash | Washing 1 time | Washing 5 times | Washing 10 times |
| UPF | 183 | 172 | 158 | 126 |
Note：Former cloth UPF values are 20.1.
Ultraviolet in sunlight belongs to a part for electromagnetic wave, and wave-length coverage can be divided into three ripples in 200~400nm
Section, i.e. life ultraviolet (UV) A (320~400nm), outdoor ultraviolet (UV) B (290~320nm) and UVC (200~290nm).UVC
Do great harm to human body, but fully absorbed by ozone layer and earth surface cannot be reached.Textile anti-ultraviolet radiation mainly for
UVA and UVB wave bands, excessive UVA radiation can cause immune system to suppress, heat flush and Cataractogenesis.UVB harm to the human body
It is most serious, the excessive exposure of short time leads to skin darkening, and red and swollen and generation bubble, long-time excess radiation can lure
Send out cutaneum carcinoma.
As can be seen from Table 2, washing the UPF of cotton fabric can be made in a slight decrease, by 10 times washing after, UPF still 100 with
On, it is known that the cotton fabric handled through aloe nano silver has stronger water-wash resistance.According to the rules, as uvioresistant factor UPF
(ultraviolet ray protection factor) when between 15~24, fabric has preferable ultraviolet protection,
In the range of 25~39, there is extraordinary protection, when 40~50, or when reaching 50+, fabric has very excellent protection
Performance, thus, the uvioresistant performance of the fabric after present invention processing is preferable, and has preferable wash durability.
Embodiment 3
Group 1：The preparation of extract solution from aloe：Fresh aloe leaf is taken, cuts aloe mesophyll 100g, adds 80mL distilled water, boiling
15min is boiled, is filtered, preserves filtrate, is extract solution from aloe；
1g cotton fabrics are taken to be immersed in 90min in the silver nitrate solution that mass concentration is 1%, lucifuge reaction, bath raio 1:20,
Cotton, 50 DEG C of vacuum dryings are taken out after reaction；Cotton is taken out and is immersed in 60min in 40 DEG C of extract solution from aloe, bath raio
For 1:15, cotton, 60 DEG C of drying are taken out after reaction.
Group 2：The preparation of extract solution from aloe：Fresh aloe leaf is taken, cuts aloe mesophyll 120g, adds 80mL distilled water, boiling
15min is boiled, is filtered, preserves filtrate, is extract solution from aloe；
1g cotton fabrics are taken to be immersed in 70min in the silver nitrate solution that mass concentration is 2%, lucifuge reaction, bath raio 1:20,
Cotton, 55 DEG C of vacuum dryings are taken out after reaction；Cotton is taken out and is immersed in 60min in 40 DEG C of extract solution from aloe, bath raio
For 1:20, cotton, 55 DEG C of drying are taken out after reaction.
Group 3：The preparation of extract solution from aloe：Fresh aloe leaf is taken, cuts aloe mesophyll 140g, adds 80mL distilled water, boiling
15min is boiled, is filtered, preserves filtrate, is extract solution from aloe；
1g cotton fabrics are taken to be immersed in 50min in the silver nitrate solution that mass concentration is 4%, lucifuge reaction, bath raio 1:20,
Cotton, 60 DEG C of vacuum dryings are taken out after reaction；Cotton is taken out and is immersed in 60min in 40 DEG C of extract solution from aloe, bath raio
For 1:17, cotton, 50 DEG C of drying are taken out after reaction.
Group 4：The preparation of extract solution from aloe：Fresh aloe leaf is taken, cuts aloe mesophyll 120g, adds 80mL distilled water, boiling
15min is boiled, is filtered, preserves filtrate, is extract solution from aloe；
1g cotton fabrics are taken to be immersed in 40min in the silver nitrate solution that mass concentration is 5%, lucifuge reaction, bath raio 1:20,
Cotton, 55 DEG C of vacuum dryings are taken out after reaction；Cotton is taken out and is immersed in 60min in 42 DEG C of extract solution from aloe, bath raio
For 1:14, cotton, 55 DEG C of drying are taken out after reaction.
Group 5：The preparation of extract solution from aloe：Fresh aloe leaf is taken, cuts aloe mesophyll 120g, adds 80mL distilled water, boiling
15min is boiled, is filtered, preserves filtrate, is extract solution from aloe；
1g cotton fabrics are taken to be immersed in 90min in the silver nitrate solution that mass concentration is 3%, lucifuge reaction, bath raio 1:20,
Cotton, 55 DEG C of vacuum dryings are taken out after reaction；Cotton is taken out and is immersed in 90min in 35 DEG C of extract solution from aloe, bath raio
For 1:15, cotton, 60 DEG C of drying are taken out after reaction.
Group 6：The preparation of extract solution from aloe：Fresh aloe leaf is taken, cuts aloe mesophyll 120g, adds 80mL distilled water, boiling
15min is boiled, is filtered, preserves filtrate, is extract solution from aloe；
1g cotton fabrics are taken to be immersed in 2h in the silver nitrate solution that mass concentration is 1%, lucifuge reaction, bath raio 1:20, instead
Cotton, 50 DEG C of vacuum dryings are taken out after answering；Cotton is taken out and is immersed in 60min in 50 DEG C of extract solution from aloe, bath raio is
1:10, cotton, 55 DEG C of drying are taken out after reaction.
Control group：Undressed same cotton fabric.
First, electron-microscope scanning
Undressed cotton fabric in group cotton fabric and control group of 1-6 processing is subjected to electron-microscope scanning, it is seen then that control group
Blank surface of cotton fabric it is more smooth, and substantial amounts of nano particle is attached on treated cotton fabric.
2nd, antibiotic property is analyzed
Antibiotic property experiment is carried out to cloth specimen using method same as Example 2, counts antibacterial bandwidth.
Specifically it is shown in Table 3.
3 antibacterial bandwidth of table
As can be seen from Table 3, for Escherichia coli：The antibacterial bandwidth of untreated cotton is 0mm, is not resisted
Bacterium ability；Antibacterial bandwidth on cotton fabric after fabricated in situ nano silver is more than 5mm, it can be seen that in situ on cotton fabric
Anti-microbial property after synthesizing nano-silver is very good, and antibacterial bandwidth is more than 3.3mm after washing, although antibiotic property under
Drop, but still have preferable antibiotic property.For the antibacterial of staphylococcus aureus：The antibacterial band of untreated cotton
Width is 0mm, without antibacterial ability；The front and rear antibacterial bandwidth of washing is more than 5.3mm and more than 3.5mm respectively, is illustrated on cloth
The nano silver of formation also has staphylococcus aureus good antibacterial property, and washing can also have antibiotic property certain influence, but still
There is preferable antibiotic property.
3rd, wash durability
Cloth specimen after the cloth specimen do not washed after test group processing and test group processing washes 1 time, 5 times, the cloth specimen of 10 times, point
Not carry out anti-UV performance test obtain, washing the UPF of cotton fabric can be made in a slight decrease, by 10 times washing after, UPF still exists
More than 100, it is known that the cotton fabric handled through aloe nano silver has stronger water-wash resistance.Thus, knitting after present invention processing
The uvioresistant performance of thing is preferable, and has preferable wash durability.
Although being illustrated and the invention has been described with specific embodiment, but will be appreciated that without departing substantially from the present invention's
Many other change and modification can be made in the case of spirit and scope.It is, therefore, intended that in the following claims
Including belonging to all such changes and modifications in the scope of the invention.
Claims (19)
1. the method for extract solution from aloe fabricated in situ nano silver fabric, it is characterised in that comprise the following steps：
（a）, cotton fabric immersed into lucifuge in the silver nitrate solution that mass concentration is more than 1% soak at least 20min, then vacuum
Drying；
（b）, the cotton fabric of drying is put into extract solution from aloe and is soaked, the temperature of immersion is 30-55 DEG C, and the time of immersion is
More than 30min, after the completion of immersion, by cotton fabric low temperature drying；
The extract solution from aloe is prepared by the following method：
Fresh aloe is taken, cuts aloe mesophyll；
By the aloe mesophyll and distilled water using weight ratio as 2.5-3.5:2 mixing, boil 13-18min, filter, obtained filter
Liquid is the extract solution from aloe.
2. according to the method described in claim 1, it is characterized in that, in step（a）In, the mass concentration of the silver nitrate is
1%-5%。
3. according to the method described in claim 1, it is characterized in that, in step（a）In, the mass concentration of the silver nitrate is
2%-4%。
4. according to the method described in claim 1, it is characterized in that, in step（a）In, the mass concentration of the silver nitrate is
3%-4%。
5. according to the method described in claim 1, it is characterized in that, in step（a）In, the time of immersion is 40-120min.
6. according to the method described in claim 1, it is characterized in that, in step（a）In, the time of immersion is 40-90min.
7. according to the method described in claim 1, it is characterized in that, in step（a）In, the time of immersion is 50-70min.
8. according to the method described in claim 1, it is characterized in that, in step（a）In, temperature that the vacuum drying uses for
50-65℃。
9. according to the method described in claim 1, it is characterized in that, in step（a）In, temperature that the vacuum drying uses for
55-60℃。
10. according to the method described in claim 1, it is characterized in that, in step（b）In, bath raio 1:10-20.
11. according to the method described in claim 1, it is characterized in that, in step（b）In, bath raio 1:14-17.
12. according to the method described in claim 1, it is characterized in that, in step（b）In, bath raio 1:15.
13. according to the method described in claim 1, it is characterized in that, in step（b）In, the temperature of immersion is 35-50 DEG C.
14. according to the method described in claim 1, it is characterized in that, in step（b）In, the temperature of immersion is 40-42 DEG C.
15. according to the method described in claim 1, it is characterized in that, in step（b）In, the time of immersion is 60-90min.
16. according to the method described in claim 1, it is characterized in that, in step（b）In, the time of immersion is 60-75min.
17. according to the method described in claim 1, it is characterized in that, in step（b）In, the temperature of the low temperature drying use
For 50-65 DEG C.
18. according to the method described in claim 1, it is characterized in that, in step（b）In, the temperature of the low temperature drying use
For 55-60 DEG C.
19. fabric made from claim 1-18 any one of them methods.
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| CN109440461B (en) * | 2018-11-08 | 2021-06-15 | 珠海鑫康源新材料科技有限公司 | Novel antibacterial radiation-proof silver-impregnated fiber fabric and preparation method thereof |
| CN109758491A (en) * | 2018-12-06 | 2019-05-17 | 广东省医疗器械研究所 | A kind of natural drug topical agent and its preparation method and application of plasma resonance enhancing |
| CN110014166A (en) * | 2019-02-28 | 2019-07-16 | 东华大学 | A method of utilizing black rice pigments green syt nano silver |
| CN111206420A (en) * | 2020-03-13 | 2020-05-29 | 安信纳米生物科技（珠海）有限公司 | Antibacterial washable composite fiber and preparation method thereof |
| CN111877001A (en) * | 2020-08-17 | 2020-11-03 | 黄俊龙 | High-strength antibacterial non-woven fabric and preparation method thereof |
| CN115012211B (en) * | 2022-07-18 | 2023-08-08 | 南通大学 | Antibacterial anti-ultraviolet cotton fabric and preparation method thereof |
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| CN102936835A (en) * | 2012-12-05 | 2013-02-20 | 苏州大学 | Preparation method of nano-silver antibacterial real silk |
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