CN105088753A - Method for preparing nano-silver and nano-silver antibacterial cotton/linen/bamboo fiber blended fabric by tablet - Google Patents
Method for preparing nano-silver and nano-silver antibacterial cotton/linen/bamboo fiber blended fabric by tablet Download PDFInfo
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- CN105088753A CN105088753A CN201510517543.5A CN201510517543A CN105088753A CN 105088753 A CN105088753 A CN 105088753A CN 201510517543 A CN201510517543 A CN 201510517543A CN 105088753 A CN105088753 A CN 105088753A
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Abstract
The invention relates to a method for preparing nano-silver and nano-silver antibacterial cotton/linen/bamboo fiber blended fabric by a tablet. The method comprises the following steps: preparing a 0.01-100 g/L aqueous solution by silver nitrate; adding a certain amount of coffee acid tablet; stirring the mixture for 30-600 minutes at the temperature of 50 to 90 DEG C at a uniform speed to obtain a nano-silver colloid solution; washing the nano-silver colloid solution repeatedly by using ethyl alcohol and de-ionized water; centrifuging, and drying to obtain silver nano-particles; then, soaking cotton/linen/bamboo fiber blended fabric into the nano-silver solution with the concentration of 0.01-10 g/L; and soaking twice and rolling twice. According to the method for preparing the nano-silver and the nano-silver antibacterial cotton/linen/bamboo fiber blended fabric by the tablet, the medicinal coffee acid tablet serves as a reducing agent and a stabilizing agent of the nano-silver; and the method has the advantages of simplicity, mild reaction, greenness, environmental friendliness and the like. The prepared nano-silver is used in the field of textiles; the blended fabric with sterilization efficacy can be prepared; and the additional values of the textiles are greatly improved.
Description
Technical field
The invention belongs to field of textiles, particularly the method for Nano Silver and antibacterial cotton/flax/bamboo fiber blended fabric thereof prepared by a kind of tablet.
Background technology
Textiles is acknowledged as the medium of cooperating microorganisms as bacterium, fungi.The microbiologic population of occurring in nature is present in the environment of surrounding widely, can grow rapidly once run into suitable humidity, nutrient and temperature.The microorganism grown on the textile not only affects textiles self serviceability, and has influence on the health of user.Therefore how suppressing or killing the microorganism being attached to textiles is especially textiles industry problem in the urgent need to address.
Antibacterial fabric can improve value-added content of product, meets the demand of people to health environment-friendly, and be therefore more and more subject to the attention of vast textile research person, market potential is very large.In the research field of antibacterial fabric, the application of nano silver antimicrobials is the important channel realizing antibacterial textile performance.Silver-series antibacterial agent has many good qualities: one is that antibacterial activity is high, and particularly in the environment of warm moist, it is active that silver-series antibacterial agent has stronger biological antibiotic, when the concentration of silver ion is 10
-6during level, just there is certain fungistatic effect, have in the metal ion of antibacterial action numerous, the ability of its sterilization and suppression pathogen has following rule: Ag>>Hg>CuGreat T.GreaT.GTCd>Cr>NiGreatT.Gre aT.GTPb>Co>Zn> Fe; Two is very high securities, and do not have the change of obvious cell aggregation, cytomorphosis, cytolysis and pH value etc. with the cell after the silver ion treatment that concentration is very low, silver ion a small amount of does not as seen have obvious injury effect to human body; Silver-series antibacterial agent also not easily develops immunity to drugs simultaneously, has good durability.Greatly, the particle of silver is less, and antimicrobial efficiency is higher, and therefore in silver-series antibacterial agent, nano silver antimicrobials especially receives and pays close attention to widely for the antimicrobial efficiency of silver-series antibacterial agent and its surface area relationship.Nano Silver refers to that particle diameter is less than 100nm, approximately containing 20-15, and the Argent grain of 000 silver atoms.Nano Silver, because having small-size effect, skin effect, quantum size effect and macro quanta tunnel effect etc., shows and is different from conventional physics, chemistry and biological property, comprises excellent anti-microbial property.
The preparation of traditional Nano Silver is divided into Physical and chemical method.Physical requires higher to instrument and equipment, and producing cost is expensive.Chemical method many employings hydrazine hydrate, formaldehyde, polyalcohol, organic amine etc. make reductant, although these reductants have high activity, to bad environmental, and obtained Nano Silver easily agglomeration occurs.
In recent years, green, environmental protection, efficient and cheap method is adopted to prepare the focus that Nano Silver becomes research gradually, compared to physics, chemical method advantageously, wide material sources, reaction condition is gentle, just can react at normal temperatures and pressures, the nano silver particles of synthesis has good biocompatibility.The green reducing agent adopted at present mainly comprises: vitamin, natrium citricum, pyrogallol, hydroquinones, Tea Polyphenols, glucose, fructose, sucrose, plant and pericarp extract, microorganism etc.
Caffeic acid sheet is a kind of medicine, yellowish color chips, the micro-acid of taste.For preventing hemorrhage or hemostasis during operation, and the hemostasis of the hemorrhagic disease such as internal medicine, gynemetrics.The main component of caffeic acid sheet is caffeic acid (caffeicacid), and another name is 3,4-caffeic acid.Chemistry trans-3,4-dihydroxycinnammicacid by name, molecular formula is C
9h
8o
4, molecular weight is 180.16, No. CAS is 331-39-5.The lightly seasoned yellow crystalline powder of caffeic acid, is soluble in hot water and cold ethanol, is insoluble to cold water.Fusing point is 223-225 DEG C.Caffeic acid has the half chemical property of phenolic acid.Containing unsaturated double-bond in its structure, easily oxidized, unstable in alkaline solution, it is aobvious green that its aqueous solution meets ferric trichloride.Caffeic acid is present in many plants, as feverfew solidago plant, rosaceous plant large-fruited Chinese hawthorn, cohosh rattletop, and other plant stores as pivot, peppermint, the bark of eucommia, dandelion, hairyvein agrimony, valerian, lemon peel etc.Caffeic acid rich content in finished coffee, hawthorn, lemon.Caffeinic Main Function has anti-bacteria and anti-virus: caffeic acid contained in caffeic acid sheet has bacteriostasis more widely, has antiviral activity, to cowpox and adenovirus inhibitory action comparatively strong, secondly be that polio I type and parainfluenza III type are viral.Anti-snake venom: 20 microgram crotalin phosphodiesterases can be suppressed during caffeic acid 3 micrograms dose completely, as anti-snake venom agent.Leukogenic effect: the main component caffeic acid of caffeic acid sheet has to have significantly and raises leukocytic effect, and the leucocyte caused for various different reason declines therapeutic action, can increasing leukocyte quantity in time, enhancing leukocyte power.Anastalsis: caffeic acid has the effects such as hemostasis and deactivation vitamin B1, the generation of murine brain homogenate MDA can be suppressed, have and shorten blood clotting and the effect in bleeding time, therefore caffeic acid sheet is often used as styptic, for the treatments for bleeding that various hemorrhagic disease or operative treatment cause.Have no at present with medicine is the report that reductant prepares Nano Silver and antibacterial BLENDED FABRIC thereof.
Summary of the invention
The present invention is directed to the deficiency that prior art exists, aim to provide a kind of method that tablet prepares Nano Silver and antibacterial cotton/flax/bamboo fiber blended fabric thereof.
The present invention is achieved by following technical proposals:
Described BLENDED FABRIC is formed by warp and weft interweaving, described warp thread is 50% cotton/30% flax/20% bamboo fibre, described weft yarn is 100% cotton, the described line density through weft yarn is 18.2*18.2tex, institutional framework 3/1 twill, fabric width 60cm, tightness 77.04%, thickness 0.5mm, Density 344*264/ (root (10cm)
-1).
Silver nitrate is configured to respectively the aqueous solution of 0.01-100g/L, then a certain amount of caffeic acid sheet is added, wherein the mass ratio of caffeic acid sheet and silver nitrate is 10:1-1:10, under the temperature conditions of 50 DEG C-90 DEG C, average rate stirs 30-600min, obtain nano-class silver colloidal solution, repeatedly clean with ethanol and deionized water, centrifugal, obtain nano-Ag particles after dry process; Then configure the Nano silver solution of 0.01-10g/L, then above-mentioned BLENDED FABRIC be immersed, dip time is 100min, and two leachings two are rolled, and pressure is 1kg/m
2, liquid carrying rate is preliminary drying 3 minutes at 90%, 120 DEG C, bakes 30 seconds at 180 DEG C, is washed to neutral rear 30 DEG C of low temperature dryings.
The present invention has following beneficial effect:
Caffeic acid sheet is a kind of medicine, yellowish color chips, the micro-acid of taste.For preventing hemorrhage or hemostasis during operation, and the hemostasis of the hemorrhagic disease such as internal medicine, gynemetrics.The main component of caffeic acid sheet is caffeic acid, and molecular formula is C
9h
8o
4, containing unsaturated double-bond in its structure, easily oxidized.The present invention adopts medicine caffeic acid sheet as the reductant of Nano Silver and stabilizing agent, possess that technique is simple, reaction temperature and, the advantage such as environmental protection.The Nano Silver prepared is used for field of textiles, can prepare the BLENDED FABRIC with biocidal efficacies, substantially increases the added value of textiles.
Detailed description of the invention
Below in conjunction with detailed description of the invention, set forth the present invention further.
Embodiment 1:
Described BLENDED FABRIC is formed by warp and weft interweaving, described warp thread is 50% cotton/30% flax/20% bamboo fibre, described weft yarn is 100% cotton, the described line density through weft yarn is 18.2*18.2tex, institutional framework 3/1 twill, fabric width 60cm, tightness 77.04%, thickness 0.5mm, Density 344*264/ (root (10cm)
-1).
Get 1g silver nitrate, be configured to the aqueous solution of 1g/L, then add the caffeic acid sheet of 1g, under the temperature conditions of 50 DEG C, average rate stirs 600min, obtains nano-class silver colloidal solution, repeatedly cleans with ethanol and deionized water, centrifugal, obtains nano-Ag particles after dry process.
The Nano silver solution of configuration concentration 0.1g/L, is then immersed fabric, and dip time is 100min, and two leachings two are rolled, and pressure is 1kg/m
2, liquid carrying rate is preliminary drying 3 minutes at 90%, 120 DEG C, bakes 30 seconds at 180 DEG C, is washed to neutral rear 30 DEG C of low temperature dryings.
Embodiment 2:
Described BLENDED FABRIC is formed by warp and weft interweaving, described warp thread is 50% cotton/30% flax/20% bamboo fibre, described weft yarn is 100% cotton, the described line density through weft yarn is 18.2*18.2tex, institutional framework 3/1 twill, fabric width 60cm, tightness 77.04%, thickness 0.5mm, Density 344*264/ (root (10cm)
-1).
Get 1g silver nitrate, be configured to the aqueous solution of 10g/L, then add the caffeic acid sheet of 5g, under the temperature conditions of 70 DEG C, average rate stirs 300min, obtains nano-class silver colloidal solution, repeatedly cleans with ethanol and deionized water, centrifugal, obtain nano-Ag particles after dry process.
The Nano silver solution of configuration concentration 1g/L, is then immersed fabric, and dip time is 100min, and two leachings two are rolled, and pressure is 1kg/m
2, liquid carrying rate is preliminary drying 3 minutes at 90%, 120 DEG C, bakes 30 seconds at 180 DEG C, is washed to neutral rear 30 DEG C of low temperature dryings.
Embodiment 3:
Described BLENDED FABRIC is formed by warp and weft interweaving, described warp thread is 50% cotton/30% flax/20% bamboo fibre, described weft yarn is 100% cotton, the described line density through weft yarn is 18.2*18.2tex, institutional framework 3/1 twill, fabric width 60cm, tightness 77.04%, thickness 0.5mm, Density 344*264/ (root (10cm)
-1).
Get 10g silver nitrate, be configured to the aqueous solution of 50g/L, then add the caffeic acid sheet of 2g, under the temperature conditions of 90 DEG C, average rate stirs 60min, obtains nano-class silver colloidal solution, repeatedly cleans with ethanol and deionized water, centrifugal, obtain nano-Ag particles after dry process.
The Nano silver solution of configuration concentration 10g/L, is then immersed fabric, and dip time is 100min, and two leachings two are rolled, and pressure is 1kg/m
2, liquid carrying rate is preliminary drying 3 minutes at 90%, 120 DEG C, bakes 30 seconds at 180 DEG C, is washed to neutral rear 30 DEG C of low temperature dryings.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here cannot give exhaustive to all embodiments.Every belong to technical scheme of the present invention the apparent change of amplifying out or variation be still in the row of protection scope of the present invention.
Claims (5)
1. a method for Nano Silver and antibacterial cotton/flax/bamboo fiber blended fabric thereof prepared by tablet, it is characterized in that:
(1) described BLENDED FABRIC is formed by warp and weft interweaving, described warp thread is 50% cotton/30% flax/20% bamboo fibre, described weft yarn is 100% cotton, the described line density through weft yarn is 18.2*18.2tex, institutional framework 3/1 twill, fabric width 60cm, tightness 77.04%, thickness 0.5mm, Density 344*264/ (root (10cm)
-1);
(2) silver nitrate is configured to the certain density aqueous solution respectively, then a certain amount of caffeic acid sheet is added, under the temperature conditions of 50 DEG C-90 DEG C, average rate stirs 30-600min, obtain nano-class silver colloidal solution, repeatedly clean with ethanol and deionized water, centrifugal, obtain nano-Ag particles after dry process;
(3) configure certain density Nano silver solution, then above-mentioned BLENDED FABRIC be immersed, dip time is 100min, and two leachings two are rolled, and pressure is 1kg/m
2, liquid carrying rate is preliminary drying 3 minutes at 90%, 120 DEG C, bakes 30 seconds at 180 DEG C, is washed to neutral rear 30 DEG C of low temperature dryings.
2. the method for Nano Silver and antibacterial cotton/flax/bamboo fiber blended fabric thereof prepared by a kind of tablet according to claim 1, it is characterized in that, the concentration of described liquor argenti nitratis ophthalmicus is 0.01-100g/L.
3. the method for Nano Silver and antibacterial cotton/flax/bamboo fiber blended fabric thereof prepared by a kind of tablet according to claim 1, it is characterized in that, the mass ratio of described caffeic acid sheet and silver nitrate is 10:1-1:10.
4. the method for Nano Silver and antibacterial cotton/flax/bamboo fiber blended fabric thereof prepared by a kind of tablet according to claim 1, it is characterized in that, the particle size range of described Nano Silver is in 1-200 nanometer.
5. the method for Nano Silver and antibacterial cotton/flax/bamboo fiber blended fabric thereof prepared by a kind of tablet according to claim 1, it is characterized in that, the concentration of described Nano silver solution is 0.01-10g/L.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101173432A (en) * | 2007-10-19 | 2008-05-07 | 无锡汇罗新材料科技有限公司 | Nano-silver antibiotic finish technique for facing material |
| CN102202815A (en) * | 2008-05-16 | 2011-09-28 | 维鲁泰克技术股份有限公司 | Green synthesis of nanometals using plant extracts and use thereof |
| CN104070177A (en) * | 2014-06-28 | 2014-10-01 | 内蒙古工业大学 | Simple and novel preparation method for silver and gold nano-particles |
| CN104562658A (en) * | 2015-01-21 | 2015-04-29 | 辽东学院 | Amino acid nano-silver modified finishing agent as well as preparation method of finishing agent and modified fishing shell fabric |
-
2015
- 2015-08-22 CN CN201510517543.5A patent/CN105088753A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101173432A (en) * | 2007-10-19 | 2008-05-07 | 无锡汇罗新材料科技有限公司 | Nano-silver antibiotic finish technique for facing material |
| CN102202815A (en) * | 2008-05-16 | 2011-09-28 | 维鲁泰克技术股份有限公司 | Green synthesis of nanometals using plant extracts and use thereof |
| CN104070177A (en) * | 2014-06-28 | 2014-10-01 | 内蒙古工业大学 | Simple and novel preparation method for silver and gold nano-particles |
| CN104562658A (en) * | 2015-01-21 | 2015-04-29 | 辽东学院 | Amino acid nano-silver modified finishing agent as well as preparation method of finishing agent and modified fishing shell fabric |
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Application publication date: 20151125 |