CN102764448B - Silver nanoparticles, preparation method thereof and nano silver dressing - Google Patents
Silver nanoparticles, preparation method thereof and nano silver dressing Download PDFInfo
- Publication number
- CN102764448B CN102764448B CN201210225060.4A CN201210225060A CN102764448B CN 102764448 B CN102764448 B CN 102764448B CN 201210225060 A CN201210225060 A CN 201210225060A CN 102764448 B CN102764448 B CN 102764448B
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- China
- Prior art keywords
- nano silver
- nanometer silver
- silver particles
- stabilizing agent
- silver nanoparticles
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000002360 preparation method Methods 0.000 title claims description 8
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 title abstract 11
- 239000003381 stabilizer Substances 0.000 claims abstract description 22
- 239000000835 fiber Substances 0.000 claims abstract description 16
- 150000004676 glycans Chemical class 0.000 claims abstract description 16
- 229920001282 polysaccharide Polymers 0.000 claims abstract description 16
- 239000005017 polysaccharide Substances 0.000 claims abstract description 16
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 93
- 239000002245 particle Substances 0.000 claims description 53
- 229910052709 silver Inorganic materials 0.000 claims description 45
- 239000004332 silver Substances 0.000 claims description 45
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 11
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000010408 film Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 229920006264 polyurethane film Polymers 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- UGACIEPFGXRWCH-UHFFFAOYSA-N [Si].[Ti] Chemical compound [Si].[Ti] UGACIEPFGXRWCH-UHFFFAOYSA-N 0.000 claims description 4
- 239000002808 molecular sieve Substances 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 235000012239 silicon dioxide Nutrition 0.000 claims description 4
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 4
- 239000004408 titanium dioxide Substances 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 3
- 239000003463 adsorbent Substances 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 239000010409 thin film Substances 0.000 claims description 3
- 206010052428 Wound Diseases 0.000 abstract description 19
- 208000027418 Wounds and injury Diseases 0.000 abstract description 19
- 239000008280 blood Substances 0.000 abstract description 7
- 210000004369 blood Anatomy 0.000 abstract description 7
- 206010027439 Metal poisoning Diseases 0.000 abstract description 6
- 208000010501 heavy metal poisoning Diseases 0.000 abstract description 6
- 208000015181 infectious disease Diseases 0.000 abstract description 6
- 239000000017 hydrogel Substances 0.000 abstract description 5
- 231100000252 nontoxic Toxicity 0.000 abstract description 5
- 230000003000 nontoxic effect Effects 0.000 abstract description 5
- 230000001954 sterilising effect Effects 0.000 abstract description 5
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 206010013700 Drug hypersensitivity Diseases 0.000 abstract description 3
- 239000003814 drug Substances 0.000 abstract description 3
- 229940079593 drug Drugs 0.000 abstract description 3
- 201000005311 drug allergy Diseases 0.000 abstract description 3
- 239000000499 gel Substances 0.000 abstract description 3
- 230000002045 lasting effect Effects 0.000 abstract description 3
- 238000001179 sorption measurement Methods 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 abstract 3
- 238000004659 sterilization and disinfection Methods 0.000 abstract 1
- 239000004615 ingredient Substances 0.000 description 7
- 206010002198 Anaphylactic reaction Diseases 0.000 description 6
- 230000036783 anaphylactic response Effects 0.000 description 6
- 208000003455 anaphylaxis Diseases 0.000 description 6
- 230000003115 biocidal effect Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 230000029663 wound healing Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000003912 environmental pollution Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000202 analgesic effect Effects 0.000 description 2
- 230000000845 anti-microbial effect Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000000474 nursing effect Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 230000001835 salubrious effect Effects 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 230000037380 skin damage Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 230000000472 traumatic effect Effects 0.000 description 2
- 201000004624 Dermatitis Diseases 0.000 description 1
- 206010072170 Skin wound Diseases 0.000 description 1
- 206010042566 Superinfection Diseases 0.000 description 1
- 208000007502 anemia Diseases 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000001991 pathophysiological effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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- Materials For Medical Uses (AREA)
Abstract
The invention provides silver nanoparticles used for solving the problems that the existing hydrogel nano silver external patches or medical dressings have low adsorption capacities and the nano silver external patches or medical dressings have single function or complex components, thus easily causing user skin harms, heavy metal poisoning and drug allergy. The silver nanoparticles comprise the following components by weight percent: 90-98% of polysaccharide fibers, 0.5-6.5% of stabilizing agent and 0.03-3.5% of nano silver. The silver nanoparticles have the following beneficial effects: the silver nanoparticles are larger, have low moisture content, have higher absorbed amount of blood and fluid oozing from the wounds and can form a 2-3mm thick gel after absorbing the blood and fluid oozing from the wounds, thus not only preventing oozing fluid pollution and adhesion, isolating the external air and sources of infection and protecting the skins from friction or infection but also ensuring the silver nanoparticles to release slowly and ensuring the antibacterial and sterilization capabilities to be stronger and more lasting; and besides, the silver nanoparticles do not contain drug components, are nontoxic and harmless and can avoid user skin harms, heavy metal poisoning and drug allergy.
Description
Technical field
The present invention relates to medical technical field, refer to especially a kind of nano silver particles and preparation method thereof and a kind of nanometer silver dressing.
Background technology
Along with the physiopathologic further investigation to wound, people are also more and more deep to the understanding of wound, thereby make Medical wounded surface dressing update and develop.Most of product function of the prior art is single or formula components is complicated, easily increases user skin damage, the risk of heavy metal poisoning and drug anaphylaxis.The anti-microbial property of nanometer silver of the prior art is extraordinary, be widely used in medical technical field, when nanometer silver uses as antibacterial or dressing, one class is external patch or the medical dressing containing ingredient, there are certain healing or antibacterial functions for wound surface, the material of great majority employing yarn gauze and so on directly adsorbs sepage and reaches adsorption effect, the protection skin aspect poor effect though absorbability is strong, easily cause wound surface incrustation to be adhered, be unfavorable for clean wound and the processing of changing dressings, easily cause secondary pollution and wound, increase patient's superinfection risk, and contained ingredient complexity, there is certain taboo, there is certain risk for user, such as anemia of pregnant woman, infant, skin or drug allergy person, and the garbage after using easily causes environmental pollution, another kind of is external patch or the medical dressing that does not contain ingredient, is to be mainly penetrated in yarn or gauze by antimicrobial molecule, function singleness, only play antibacterial functions, poor for wound healing and absorbability, be prone to a large amount of sepages and pollute, directly contact with skin wound, frictional force is large, increases patient suffering, easily causes wound surface incrustation to be adhered, be unfavorable for clean wound and the processing of changing dressings, easily cause secondary pollution and wound, though not prompting taboo, complicated component, also having a class is to use external patch or the medical dressing of hydrogel, pollutes and prevents the problem being adhered though solved sepage, and by contrast, its absorbability reduces greatly, as large area or a large amount of oozing of blood sepage can not get effective processing, the formula material that all the other kinds are used is more expensive, and consumption does not have effect less, and the large production cost of consumption is too high, increases patient economy burden, is unfavorable for promoting.
Summary of the invention
The present invention proposes a kind of nano silver particles and preparation method thereof and a kind of nanometer silver dressing, the hydrogel nanometer silver external patch or the low problem of medical dressing absorbability that in prior art, use are solved, solved the nanometer silver external patch using in prior art or medical dressing function is too single or formula components is complicated simultaneously, easily cause user skin damage, the problem of heavy metal poisoning and drug anaphylaxis.
Technical scheme of the present invention is achieved in that
A kind of nano silver particles, comprises the composition with following percentage by weight: polysaccharide fiber 90 ~ 98%, stabilizing agent 0.5 ~ 6.5%, nanometer silver 0.03 ~ 3.5%.
Further, described stabilizing agent is high activity non-metallic adsorbent class catalyst carrier.
Preferably, described stabilizing agent is mixture, silicon-titanium compound or the molecular sieve of silica gel, resin, silicon dioxide and titanium dioxide.
A method of preparing nano silver particles, comprises the steps:
Nanometer silver is added water and makes nanometer silver solution;
After polysaccharide fiber and stabilizing agent are stirred, add described nanometer silver solution;
By polysaccharide fiber, stabilizing agent and nanometer silver solution mix homogeneously, make particle diameter 10 ~ 50 object nano silver particles;
Described nano silver particles is dried at 120 ~ 230 DEG C, obtain the nano silver particles of water content≤1%.
Preferably, the mass concentration of described nanometer silver solution is 0.5%～30%.
Utilize a nanometer silver dressing for nano silver particles, comprising:
Carrier layer;
Tack coat, is arranged at described carrier layer one side;
Nano silver particles layer, is covered on described tack coat;
Protecting film, is covered on described nano silver particles layer.
Preferably, described carrier layer is non-woven fabrics, gauze or polyurethane film.
Preferably, described tack coat is medical pressure-sensitive adhesive.
Preferably, described protecting film is medical polyurethane film or medical polyethylene thin film.
Beneficial effect of the present invention is:
1, nano silver particles granule of the present invention is larger, water content is low, compared with containing the hydrogel of solvent or moisture, absorbtivity to blood oozing from the wound surface sepage is larger, and nano silver particles also can form the gel of thick layer 2-3mm after the oozing of blood sepage that absorbs wound surface, not only solve sepage pollution and prevented the problem being adhered, can completely cut off outside air and the source of infection, protecting skin is rubbed or is infected, be beneficial to skin or wound healing and regeneration, and can make nano silver particles slowly discharge, antibiotic and sterilizing ability is more lasting more by force.
2, nano silver particles composition of the present invention is less, only comprise polysaccharide fiber, stabilizing agent and nanometer silver, the antibiotic property of nanometer silver is given full play to, polysaccharide fiber and stabilizing agent easily obtain, and polysaccharide fiber and stabilizing agent is cheap, thereby reduce production cost.
3, nano silver particles preparation technology of the present invention is simple, only comprises four steps, and than being easier to operation, is conducive to produce on a large scale and apply.
4, nano silver particles of the present invention is not containing ingredient, thereby make nanometer silver dressing of the present invention also not containing ingredient, not only can promote wound healing, can also avoid user heavy metal poisoning and anaphylaxis, nontoxic to human body, expand application group, do not needed complicated medical examination and approval procedures, be easy to operation, promotion and application.
5, nano silver particles of the present invention or nanometer silver dressing are for first aid, and the pollutant that adhere to for wound surface have absorption and bonding and antibiotic and sterilizing effect, and be easy to later stage cleaning-sterilizing and prevent traumatic infection, and without anaphylaxis.
6, when nano silver particles of the present invention or nanometer silver dressing use, because granule has extremely strong absorption sepage and the ability of heat, have salubrious sensation, the sustainable wound that alleviates stimulates, and has analgesic activity.
7, nanometer silver dressing of the present invention carries with easy to use, is applicable to family, hospital, army and field emergency nursing, and it adopts environment-friendly materials, and nontoxic, easily natural decomposition, can not cause environmental pollution.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the flow chart of steps of the preparation method of a kind of nano silver particles of the present invention;
Fig. 2 is the structural representation of a kind of dressing of the present invention.
In figure:
1, carrier layer; 2, tack coat; 3, nano silver particles layer; 4, protecting film.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
A kind of nano silver particles of the present invention, comprises the composition with following percentage by weight: polysaccharide fiber 90 ~ 98%, stabilizing agent 0.5 ~ 6.5%, nanometer silver 0.03 ~ 3.5%.
Wherein, described stabilizing agent is high activity non-metallic adsorbent class catalyst carrier.
Wherein, preferably, described stabilizing agent is mixture, silicon-titanium compound or the molecular sieve of silica gel, resin, silicon dioxide and titanium dioxide.The concrete kind of the present invention to silica gel, resin, silicon-titanium compound, or the concrete percentage by weight of the mixture to silicon dioxide and titanium dioxide, or the concrete aperture to molecular sieve does not limit, as long as can increase the stability of this nano silver particles.
Nano silver particles composition of the present invention is less, only comprises polysaccharide fiber, stabilizing agent and nanometer silver, and the antibiotic property of nanometer silver is given full play to, and polysaccharide fiber and stabilizing agent easily obtain, and polysaccharide fiber and stabilizing agent is cheap, thereby has reduced production cost.
The present invention also provides a kind of method of preparing nano silver particles, comprises the steps:
Nanometer silver is added water and makes nanometer silver solution;
After polysaccharide fiber and stabilizing agent are stirred, add described nanometer silver solution;
By polysaccharide fiber, stabilizing agent and nanometer silver solution mix homogeneously, make particle diameter 10 ~ 50 object nano silver particles;
Described nano silver particles is dried at 120 ~ 230 DEG C, obtain the nano silver particles of water content≤1%.
Nano silver particles granule of the present invention is larger, water content is low, compared with containing the hydrogel of solvent or moisture, absorbtivity to blood oozing from the wound surface sepage is larger, and nano silver particles also can form the gel of thick layer 2-3mm after the oozing of blood sepage that absorbs wound surface, not only solve sepage pollution and prevented the problem being adhered, can completely cut off outside air and the source of infection, protecting skin is rubbed or is infected, be beneficial to skin or wound healing and regeneration, and can make nano silver particles slowly discharge, antibiotic and sterilizing ability is more lasting more by force.In addition, nano silver particles preparation technology of the present invention is simple, only comprises four steps, and than being easier to operation, is conducive to produce on a large scale and apply.
Wherein, preferably, the mass concentration of described nanometer silver solution is 0.5%～30%.
The present invention also provides a kind of nanometer silver dressing that utilizes described nano silver particles, comprising:
Carrier layer 1;
Tack coat 2, is arranged at described carrier layer 1 one sides;
Nano silver particles layer 3, is covered on described tack coat 2;
Protecting film 4, is covered on described nano silver particles layer 3.
Wherein, preferably, described carrier layer 1 is non-woven fabrics, gauze or polyurethane film.
Wherein, preferably, described tack coat 2 is medical pressure-sensitive adhesive.
Wherein, preferably, described protecting film 4 is medical polyurethane film or medical polyethylene thin film.
The present invention also has the following advantages:
1, nanometer silver dressing employing large-size particles shape nano silver particles of the present invention is filler, has overcome the technology prejudice that all adopts small size particle shape nano silver particles in prior art, is the revolutionary innovation of one of the nanometer silver dressing to using in prior art.
2, nano silver particles of the present invention is not containing ingredient; thereby make nanometer silver dressing of the present invention also can not protect equally skin and promote wound healing containing ingredient; and can avoid user heavy metal poisoning and anaphylaxis; nontoxic to human body; expand application group; do not need complicated medical examination and approval procedures, be easy to operation, promotion and application.
3, nano silver particles of the present invention or nanometer silver dressing are for first aid, and the pollutant that adhere to for wound surface have absorption and bonding and antibiotic and sterilizing effect, and be easy to later stage cleaning-sterilizing and prevent traumatic infection, and without anaphylaxis.
4, when nano silver particles of the present invention or nanometer silver dressing use, because granule has extremely strong absorption sepage and the ability of heat, have salubrious sensation, the sustainable wound that alleviates stimulates, and has analgesic activity.
5, nanometer silver dressing of the present invention carries with easy to use, is applicable to family, hospital, army and field emergency nursing, and it adopts environment-friendly materials, and nontoxic, easily natural decomposition, can not cause environmental pollution.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (7)
1. a nano silver particles, it is characterized in that, one-tenth by following percentage by weight is grouped into: polysaccharide fiber 90～98%, stabilizing agent 0.5～6.5%, nanometer silver 0.03～3.5%, described stabilizing agent is high activity non-metallic adsorbent class catalyst carrier, and wherein, described stabilizing agent is mixture, silicon-titanium compound or the molecular sieve of silica gel, resin, silicon dioxide and titanium dioxide.
2. a method of preparing nano silver particles claimed in claim 1, is characterized in that, comprises the steps:
Nanometer silver is added water and makes nanometer silver solution;
After polysaccharide fiber and stabilizing agent are stirred, add described nanometer silver solution;
By polysaccharide fiber, stabilizing agent and nanometer silver solution mix homogeneously, make particle diameter 10～50 object nano silver particles;
Described nano silver particles is dried at 120～230 DEG C, obtain the nano silver particles of water content≤1%.
3. preparation method according to claim 2, is characterized in that, the mass concentration of described nanometer silver solution is 0.5%～30%.
4. utilize a nanometer silver dressing for the nano silver particles described in claim 1, it is characterized in that, comprising:
Carrier layer (1);
Tack coat (2), is arranged at described carrier layer (1) one side;
Nano silver particles layer (3), is covered on described tack coat (2);
Protecting film (4), is covered on described nano silver particles layer (3).
5. nanometer silver dressing according to claim 4, is characterized in that, described carrier layer (1) is non-woven fabrics, gauze or polyurethane film.
6. nanometer silver dressing according to claim 5, is characterized in that, described tack coat (2) is medical pressure-sensitive adhesive.
7. nanometer silver dressing according to claim 6, is characterized in that, described protecting film (4) is medical polyurethane film or medical polyethylene thin film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210225060.4A CN102764448B (en) | 2012-07-02 | 2012-07-02 | Silver nanoparticles, preparation method thereof and nano silver dressing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210225060.4A CN102764448B (en) | 2012-07-02 | 2012-07-02 | Silver nanoparticles, preparation method thereof and nano silver dressing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102764448A CN102764448A (en) | 2012-11-07 |
| CN102764448B true CN102764448B (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210225060.4A Expired - Fee Related CN102764448B (en) | 2012-07-02 | 2012-07-02 | Silver nanoparticles, preparation method thereof and nano silver dressing |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105214134A (en) * | 2015-11-14 | 2016-01-06 | 华文蔚 | A kind of nano silver particles and preparation method thereof and a kind of Nanometer silver dressing |
| CN108126873A (en) * | 2017-12-20 | 2018-06-08 | 江苏省健尔康医用敷料有限公司 | The preparation method of medical air-permeable adhesive tape |
| CN108099318A (en) * | 2018-01-08 | 2018-06-01 | 浙江德清金乾新材料有限公司 | A kind of medical non-woven fabrics ventilated membrane |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1277476C (en) * | 2005-01-27 | 2006-10-04 | 浙江大学 | Method for preparing nanometer silver solution and nanometer silver powder by using high polymer as stabilizer |
| KR20100026083A (en) * | 2008-08-29 | 2010-03-10 | 고려대학교 산학협력단 | Rubber sheet and fabrication method thereof |
| CN101721733B (en) * | 2008-10-22 | 2013-04-03 | 威海洁瑞医用制品有限公司 | Medical chitosan antiseptic dressing and preparation method thereof |
| CN101862470A (en) * | 2010-05-28 | 2010-10-20 | 武汉锐尔生物科技有限公司 | Bacteriostatic hydrocolloid dressing and preparation method thereof |
| CN201879911U (en) * | 2010-07-05 | 2011-06-29 | 吴哲仁 | Self-bonding medical plaster |
| CN101912634B (en) * | 2010-08-06 | 2013-09-25 | 华南理工大学 | Method for preparing nanosilver/nano silicon dioxide-containing antibacterial biological dressing |
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- 2012-07-02 CN CN201210225060.4A patent/CN102764448B/en not_active Expired - Fee Related
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| CN102764448A (en) | 2012-11-07 |
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