CN1583332A - Nanometer silver sol and preparing method thereof - Google Patents
Nanometer silver sol and preparing method thereof Download PDFInfo
- Publication number
- CN1583332A CN1583332A CN 200410027496 CN200410027496A CN1583332A CN 1583332 A CN1583332 A CN 1583332A CN 200410027496 CN200410027496 CN 200410027496 CN 200410027496 A CN200410027496 A CN 200410027496A CN 1583332 A CN1583332 A CN 1583332A
- Authority
- CN
- China
- Prior art keywords
- aqueous solution
- silver
- protecting colloid
- reducing agent
- sol
- Prior art date
- 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.)
- Granted
Links
Landscapes
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Colloid Chemistry (AREA)
Abstract
A nano-Ag sol is prepared through dispersing the protecting colloid solution in silver nitrate solution, adding reducer solution, and redox reacting.
Description
Technical field
The present invention relates to Nano Silver hydrosol and preparation method thereof, particularly relate to a kind of Nano Silver hydrosol that adds the dispersion protecting colloid and preparation method thereof.
Background technology
Nano Silver was found by scientist as far back as the seventies in last century, Nano Silver and the assembly system that contains nano-Ag particles have caused the great interest of people at the excellent properties aspect numerous such as mechanics, electricity, calorifics, optics, catalysis, explore the work of the physical mechanism of these excellent properties and carry out.Nano Silver strengthens research fields such as Raman spectrum, surface enhanced resonant scattering spectrum, molecular biology, supramolecular system and occupies very consequence on the surface; Simultaneously, Nano Silver also demonstrates very wide application prospect: as it is high by 30% than traditional material to utilize Nano Silver to make the effectiveness of heat exchanger of dilution refrigeration agent; In chemical fibre, add a spot of Nano Silver, can improve the functional of chemical fabrics, and make it have very strong sterilizing ability; Industrial with Nano Silver as the catalyst of some chemical reaction, nano-Ag particles-carrier composite material and Ag-mesoporous solid composite absorption, separate and catalysis aspect have important application, can improve reaction speed and efficient etc. greatly; Electron trade can the manufacturing chemistry battery and photochemical cell in electrode, electronic component, thermionic emitters, conductive organic matter and conductive paste and infrared acquisition, light select to absorb photosensitive material; Paint field can utilize the broad-spectrum bactericidal action of Nano Silver to develop novel nontoxic antibiotic paint, and it demonstrates the excellent antibacterial ability to various Gram-positives and gramnegative bacterium, bacillus and fungi.
At present, nano silver colloidal sol mainly contains two kinds of production methods:
1, direct-reduction process: silver salt and reducing agent are dissolved in respectively in the solvent, and with both mixed silver sols that gets, though this method technology is comparatively simple, the product silver content is low, poor stability again.
2, microemulsion method: two kinds of immiscible solvents form emulsion under the effect of surfactant and cosurfactant, and silver salt and reducing agent through nucleation, coalescent, form silver sol in micella.By control solvent load, silver salt and reductant concentration, surfactant concentration and appropriate reaction condition, can control nano silver particles size and dispersed preferably, but in this series products owing to contain surfactant, limited the scope of application of silver sol, and breakdown of emulsion can cause the reunion of nanoparticle, increased production cost, and complex process.
Summary of the invention
Nano silver colloidal sol that the object of the present invention is to provide a kind of form stable, be uniformly dispersed, silver content is high and preparation method thereof, to overcome the shortcoming that the nano silver colloidal sol of high-load is difficult for making in the prior art, and this manufacture method is simple, is convenient to use on a large scale in the industry.
The present invention is achieved in that
A kind of nano silver colloidal sol is characterized in that this silver sol is to adopt oxidation-reduction method to make according to following prescription:
Silver nitrate: 1 * 10
-6～10
-1Mol reducing agent: 1 * 10
-6～1mol
Distilled water: 1L protecting colloid: 0.01～100 gram.
Wherein reducing agent comprises sodium borohydride, hydrazine hydrate, ascorbic acid, citric acid and salt thereof, tannic acid, glucose, oxalic acid, metal dust, sodium phosphite etc.; Protecting colloid comprises polyvinyl alcohol and derivative, polyvinylpyrrolidone and derivative thereof, cellulose and derivative thereof, polyacrylic acid (salt) and derivative, polyamide and derivative thereof, clay, diatomite, chitin, collagen, pectin etc.
Described cellulose and derivative thereof are cellulose, hydroxyethylcellulose, hydroxypropyl cellulose, methylcellulose, carboxymethyl cellulose, hydroxypropyl carboxy methyl cellulose.
Described clay is artificial modification's thing of talcum, imvite, vermiculite, mica and above-mentioned substance.
The molar ratio of silver nitrate and reducing agent is 1: 1～1: 10 in the described silver sol redox reaction.
Described dispersion protecting colloid weight is 0.01%～10% of distilled water weight.
Described nano silver colloidal sol disperse the surface of protecting colloid and inside to adsorb nano-Ag particles in its silver sol, and silver-colored particle grain size scope is 1～50 nanometer.
Described nano silver colloidal sol, its silver sol concentration can be up to 10000ppm.
To disperse protecting colloid solution to mix and carry out the silver sol redox reaction in liquor argenti nitratis ophthalmicus and the reductant solution, thereby make nano silver colloidal sol.
The preparation method of the nano silver colloidal sol among the present invention, adopt following steps:
A1, produce silver nitrate aqueous solution, the reducing agent aqueous solution and disperse the protecting colloid aqueous solution respectively;
B1, will disperse the protecting colloid aqueous solution and the reducing agent aqueous solution to put into reactor, and stir;
C1, at first insert silver nitrate aqueous solution in the flow controller and control the flow that it flow to reactor, under agitation, be added drop-wise in the reactor that the reducing agent aqueous solution and the dispersion protecting colloid aqueous solution are housed, after dropwising, continue to stir 1-24 hour, get the silver sol product;
Above-mentioned silver sol product is preserved in D1, encapsulation.
The preparation method of the nano silver colloidal sol among the present invention, also can adopt following steps:
A2, produce silver nitrate aqueous solution, the reducing agent aqueous solution and disperse the protecting colloid aqueous solution respectively;
B2, will disperse the protecting colloid aqueous solution and silver nitrate aqueous solution to put into reactor, and stir;
C2, at first insert the reducing agent aqueous solution in the flow controller and control the flow that it flow to reactor, under agitation, be added drop-wise in the reactor that the dispersion protecting colloid aqueous solution and silver nitrate aqueous solution are housed, after dropwising, continue to stir 1-24 hour, get the silver sol product;
Above-mentioned silver sol product is preserved in D2, encapsulation.
Among described steps A 1 and the A2, the concentration of described silver nitrate aqueous solution, the reducing agent aqueous solution and the dispersion protecting colloid aqueous solution is respectively 1 * 10
-6～10
-1Mol/L, 1 * 10
-6～1mol/L, 0.01～100g/L.
Beneficial effect of the present invention is: in the present invention, utilize and disperse protecting colloid institute electrically charged to silver ion generation attraction force, silver-colored self assembly is dispersed in disperses in the protecting colloid; Simultaneously; by disperseing protecting colloid in solution, to form three-D space structure; silver ion is dispersed in wherein; like this; by surface and the internal voids absorption nano-Ag particles that disperses protecting colloid; limited the growth of silver ion in reduction process; solved nano silver colloidal sol (especially when Nano Silver concentration is higher) instability well; particle is easily reunited; problems such as variable color; and this method need not heat; technology; equipment is simple; can control the growth of silver particles size well; therefore, technology of the present invention is simple and efficient is high, prepared nano silver colloidal sol concentration height (up to 10000ppm); impurity is few; stability is high; particle diameter little (50nm following) and being evenly distributed; can be widely used in electronics; weaving; health care; food; coating; in the fields such as plastics, have good economic benefits and social benefit.
The specific embodiment
According to embodiment the present invention is described in further detail below:
Embodiment 1:
Get 0.01 mole of silver nitrate; molar ratio by silver nitrate and reducing agent is 1: 10; get reducing agent; as 0.1 mole of sodium borohydride, get the dispersion protecting colloid, as 1000 kilograms in polyvinyl alcohol and derivative thereof; 10000 liters of distilled water; at this moment, disperseing the weight of protecting colloid is 10% of distilled water weight, according to following processing step:
Silver nitrate, reducing agent and dispersion protecting colloid are dissolved in respectively in the distilled water, produce concentration and be respectively 1 * 10
-6Mol/L, 1 * 10
-5The silver nitrate aqueous solution of mol/L, 100g/L, the reducing agent aqueous solution and the dispersion protecting colloid aqueous solution;
To disperse the protecting colloid aqueous solution and the reducing agent aqueous solution to put into reactor, and stir;
Silver nitrate aqueous solution is inserted in the flow controller, control the flow that it flow to reactor, under agitation be added drop-wise in the aforesaid reaction vessel, after dropwising, continue to stir 24 hours, get the silver sol product;
Described silver sol product is preserved in encapsulation.
Like this, after dispersion protecting colloid solution and reductant solution were evenly mixed, the silver sol redox reaction by silver nitrate and reducing agent obtained nano silver colloidal sol of the present invention.
Embodiment 2:
Get 0.25 mole of silver nitrate; molar ratio by silver nitrate and reducing agent is 1: 5; get reducing agent; as 1.25 moles of sodium borohydrides, get the dispersion protecting colloid, as 2.5 kilograms in polyvinyl alcohol and derivative thereof; 25 liters of distilled water; at this moment, disperseing the weight of protecting colloid is 10% of distilled water weight, according to following processing step:
Silver nitrate, reducing agent and dispersion protecting colloid are dissolved in respectively in the distilled water, produce concentration and be respectively 1 * 10
-2Mol/L, 5 * 10
-2The silver nitrate aqueous solution of mol/L, 100g/L, the reducing agent aqueous solution and the dispersion protecting colloid aqueous solution;
To disperse the protecting colloid aqueous solution and silver nitrate aqueous solution to put into reactor, and stir;
The reducing agent aqueous solution is inserted in the flow controller, control the flow that it flow to reactor, under agitation be added drop-wise in the aforesaid reaction vessel, after dropwising, continue to stir 5 hours, get the silver sol product;
Described silver sol product is preserved in encapsulation.
Like this, after dispersion protecting colloid solution and liquor argenti nitratis ophthalmicus were evenly mixed, the silver sol redox reaction by silver nitrate and reducing agent obtained nano silver colloidal sol of the present invention.
Embodiment 3:
Get 1 mole of silver nitrate; molar ratio by silver nitrate and reducing agent is 1: 1; get reducing agent; as 1 mole of sodium phosphite, get the dispersion protecting colloid, as 50 kilograms in polyvinylpyrrolidone and derivative thereof; 1000 liters of distilled water; at this moment, disperseing the weight of protecting colloid is 5% of distilled water weight, according to following processing step:
Silver nitrate, reducing agent and dispersion protecting colloid are dissolved in respectively in the distilled water, produce concentration and be respectively 1 * 10
-3Mol/L, 1 * 10
-3The silver nitrate aqueous solution of mol/L, 50g/L, the reducing agent aqueous solution and the dispersion protecting colloid aqueous solution;
To disperse the protecting colloid aqueous solution and the reducing agent aqueous solution to put into reactor, and stir;
Silver nitrate aqueous solution is inserted in the flow controller, control the flow that it flow to reactor, under agitation be added drop-wise in the aforesaid reaction vessel, after dropwising, continue to stir 16 hours, get the silver sol product;
Described silver sol product is preserved in encapsulation.
Like this, after dispersion protecting colloid solution and reductant solution were evenly mixed, the silver sol redox reaction by silver nitrate and reducing agent obtained nano silver colloidal sol of the present invention.
Embodiment 4:
Get 2.5 moles of silver nitrates; molar ratio by silver nitrate and reducing agent is 1: 3; get reducing agent; as 7.5 moles of hydrazine hydrates, get the dispersion protecting colloid, as 0.25 kilogram in cellulose and derivative thereof; 25 liters of distilled water; at this moment, disperseing the weight of protecting colloid is 1% of distilled water total amount, according to following processing step:
Silver nitrate, reducing agent and dispersion protecting colloid are dissolved in respectively in the distilled water, produce concentration and be respectively 1 * 10
-1Mol/L, 3 * 10
-1The silver nitrate aqueous solution of mol/L, 10g/L, the reducing agent aqueous solution and the dispersion protecting colloid aqueous solution;
To disperse the protecting colloid aqueous solution and the reducing agent aqueous solution to put into reactor, and stir;
Silver nitrate aqueous solution is inserted in the flow controller, control the flow that it flow to reactor, under agitation be added drop-wise in the aforesaid reaction vessel, after dropwising, continue to stir 8 hours, get the silver sol product;
Described silver sol product is preserved in encapsulation.
Like this, after dispersion protecting colloid solution and reductant solution were evenly mixed, the silver sol redox reaction by silver nitrate and reducing agent obtained nano silver colloidal sol of the present invention.
Embodiment 5:
Get 2.5 moles of silver nitrates; molar ratio by silver nitrate and reducing agent is 1: 6; get reducing agent; as 15 moles in ascorbic acid, get the dispersion protecting colloid, as 0.0025 kilogram of clay; 25 liters of distilled water; at this moment, disperseing the weight of protecting colloid is 0.01% of distilled water weight, according to following processing step:
Silver nitrate, reducing agent and dispersion protecting colloid are dissolved in respectively in the distilled water, produce concentration and be respectively 1 * 10
-1Mol/L, 6 * 10
-1The silver nitrate aqueous solution of mol/L, 0.1g/L, the reducing agent aqueous solution and the dispersion protecting colloid aqueous solution;
To disperse the protecting colloid aqueous solution and the reducing agent aqueous solution to put into reactor, and stir;
Silver nitrate aqueous solution is inserted in the flow controller, control the flow that it flow to reactor, under agitation be added drop-wise in the aforesaid reaction vessel, after dropwising, continue to stir 1 hour, get the silver sol reactant;
Described silver sol reactant is preserved in encapsulation.
Like this, after dispersion protecting colloid solution and reductant solution were evenly mixed, the silver sol redox reaction by silver nitrate and reducing agent obtained nano silver colloidal sol of the present invention.
In the above-described embodiments, reducing agent also can be citric acid and salt, tannic acid, oxalic acid, glucose or metal dust, and the reducing agent of using these different materials is in processing step of the present invention, and its operating procedure is consistent with the above.
In the above-described embodiments; disperse protecting colloid to can be carboxylate, acrylic acid and salt thereof, polyamide, diatomite, chitin, collagen, pectin; the dispersion protecting colloid of using these different materials is in processing step of the present invention, and its operating procedure is consistent with the above.
It should be noted that:
In embodiment 4; disperse protecting colloid to adopt cellulose and derivative thereof; this cellulose and derivative thereof can be cellulose, hydroxyethylcellulose, hydroxypropyl cellulose, methylcellulose, carboxymethyl cellulose or hydroxypropyl carboxy methyl cellulose, are consistent as for its technological operation step with the above.
In embodiment 5, disperse protecting colloid to adopt clay, this clay can be artificial modification's thing of talcum, imvite, vermiculite, mica or described material, is consistent as for its technological operation step with the above.
Claims (10)
1, a kind of nano silver colloidal sol is characterized in that this silver sol is to adopt oxidation-reduction method to make according to following prescription:
Silver nitrate: 1 * 10
-6～10
-1Mol reducing agent: 1 * 10
-6～1mol
Distilled water: 1L protecting colloid: 0.01～100 gram.
2, nano silver colloidal sol according to claim 1 is characterized in that reducing agent comprises sodium borohydride, hydrazine hydrate, ascorbic acid, citric acid and salt thereof, tannic acid, glucose, oxalic acid, metal dust, sodium phosphite etc.;
3, nano silver colloidal sol according to claim 1 is characterized in that protecting colloid comprises polyvinyl alcohol and derivative, polyvinylpyrrolidone and derivative thereof, cellulose and derivative thereof, polyacrylic acid (salt) and derivative, polyamide and derivative thereof, clay, diatomite, chitin, collagen, pectin etc.
4, nano silver colloidal sol according to claim 3 is characterized in that described cellulose and derivative thereof are cellulose, hydroxyethylcellulose, hydroxypropyl cellulose, methylcellulose, carboxymethyl cellulose, hydroxypropyl carboxy methyl cellulose; Clay is artificial modification's thing of talcum, imvite, vermiculite, mica and above-mentioned substance.
5, the preparation method of nano silver colloidal sol according to claim 1 is characterized in that the molar ratio of silver nitrate and reducing agent is 1: 1～1: 10 in the described silver sol redox reaction.
6, the preparation method of nano silver colloidal sol according to claim 1, the weight that it is characterized in that described dispersion protecting colloid is 0.01%～10% of distilled water weight.
7, nano silver colloidal sol according to claim 1 is characterized in that described nano silver colloidal sol, disperse the surface and the inner absorption nano-Ag particles of protecting colloid in its silver sol, and silver-colored particle grain size scope is 1～50 nanometer.
8, a kind of preparation method of nano silver colloidal sol is characterized in that the preparation process of this nano silver colloidal sol is:
A1, produce silver nitrate aqueous solution, the reducing agent aqueous solution and disperse the protecting colloid aqueous solution respectively;
B1, will disperse the protecting colloid aqueous solution and the reducing agent aqueous solution to put into reactor, and stir
Evenly;
C1, at first insert silver nitrate aqueous solution in the flow controller and control it and flow to reactor
Flow under agitation, is added drop-wise to and the reducing agent aqueous solution is housed and disperses protecting colloid water
In the reactor of solution, after dropwising, continue to stir 1-24 hour, get silver sol
Product;
Above-mentioned silver sol product is preserved in D1, encapsulation.
9, a kind of preparation technology who realizes the described nano silver colloidal sol of claim 1 is characterized in that: it adopts following steps:
A2, produce silver nitrate aqueous solution, the reducing agent aqueous solution and disperse the protecting colloid aqueous solution respectively;
B2, will disperse the protecting colloid aqueous solution and silver nitrate aqueous solution to put into reactor, and stir
Evenly;
C2, at first insert the reducing agent aqueous solution in the flow controller and control it and flow to reactor
Flow under agitation is added drop-wise to be equipped with and disperses the protecting colloid aqueous solution and silver nitrate water-soluble
In the reactor of liquid, after dropwising, continue to stir 1-24 hour, get silver sol and produce
Thing;
Above-mentioned silver sol product is preserved in D2, encapsulation.
10, according to Claim 8 with the preparation method of 9 described nano silver colloidal sols, it is characterized in that in steps A 1 and A2 described silver nitrate aqueous solution, the reducing agent aqueous solution and disperse the concentration of the protecting colloid aqueous solution to be respectively 1 * 10
-6～10
-1Mol/L, 1 * 10
-6～1mol/L, 0.01～100g/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410027496 CN1261268C (en) | 2004-06-08 | 2004-06-08 | Nanometer silver sol and preparing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410027496 CN1261268C (en) | 2004-06-08 | 2004-06-08 | Nanometer silver sol and preparing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1583332A true CN1583332A (en) | 2005-02-23 |
| CN1261268C CN1261268C (en) | 2006-06-28 |
Family
ID=34601368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410027496 Expired - Fee Related CN1261268C (en) | 2004-06-08 | 2004-06-08 | Nanometer silver sol and preparing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1261268C (en) |
Cited By (57)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007017901A2 (en) * | 2005-06-08 | 2007-02-15 | Khandelwal Sanjeev | Silver nanoparticle dispersion formulation |
| CN100362339C (en) * | 2005-02-25 | 2008-01-16 | 南京师范大学 | Method for preparing silver sol for investigating raman spectrum |
| CN100384572C (en) * | 2005-12-29 | 2008-04-30 | 黄德欢 | Preparation method of inorganic carried nanometer silver sol |
| CN100393455C (en) * | 2005-12-23 | 2008-06-11 | 西安交通大学 | Preparation method of colloidal silver nanometer granule |
| CN100425375C (en) * | 2006-04-03 | 2008-10-15 | 庄平 | Nano-class silver colloidal solution and preparation method thereof |
| CN100528427C (en) * | 2007-09-14 | 2009-08-19 | 北京首创纳米科技有限公司 | Method for preparing nanometer silver composite sol |
| CN101811193A (en) * | 2010-04-06 | 2010-08-25 | 浙江大学 | Method for preparing silver nano sheet self-assembling material |
| CN101869989A (en) * | 2010-06-03 | 2010-10-27 | 中国林业科学研究院林产化学工业研究所 | Method for preparing water dispersible metal nano-particles |
| CN1936124B (en) * | 2005-09-22 | 2011-04-20 | 河北吉藁化纤有限责任公司 | Silver-containing antibacterial viscose fiber and its preparing method |
| CN101633045B (en) * | 2009-08-24 | 2011-05-11 | 北京崇高纳米科技有限公司 | Nanometer silver collodol, preparation method and application thereof |
| CN101147615B (en) * | 2007-10-23 | 2011-06-22 | 江南大学 | Frozen-dried, preserving and sterilizing method for with combined nanometer silver film and microwave drying method |
| CN101585088B (en) * | 2008-05-21 | 2011-07-27 | 任晓艳 | Method for preparing nano-silver thread |
| CN102371357A (en) * | 2011-09-14 | 2012-03-14 | 王利兵 | Method for preparing branch-shaped micro silver with liquid phase method |
| CN101278896B (en) * | 2008-05-23 | 2012-11-14 | 山东赛克赛斯药业科技有限公司 | Chitosan nano silver gel agent and uses thereof |
| CN102935520A (en) * | 2012-12-05 | 2013-02-20 | 苏州大学 | Method for preparing nano-silver water solution by modified glucose |
| CN103055800A (en) * | 2013-02-05 | 2013-04-24 | 华北电力大学（保定） | Nano modified material for efficiently adsorbing gaseous element mercury and preparation method thereof |
| CN101734617B (en) * | 2009-12-22 | 2013-04-24 | 浙江大学 | A method for preparing tube-network silver nano self-assembled bodies |
| CN103357886A (en) * | 2013-06-28 | 2013-10-23 | 上海纳米技术及应用国家工程研究中心有限公司 | Preparation method for noble metal nanoclusters of fluorescent sensor |
| CN103409005A (en) * | 2013-06-28 | 2013-11-27 | 南京市荣达树脂有限公司 | Antibacterial coating material |
| CN103409004A (en) * | 2013-06-28 | 2013-11-27 | 南京市荣达树脂有限公司 | Method for preparing antibacterial coating material |
| CN103691967A (en) * | 2014-01-09 | 2014-04-02 | 李泽国 | Novel large-scale simple preparation method of nano-silver hydrosol |
| CN103726407A (en) * | 2014-01-09 | 2014-04-16 | 福建农林大学 | Anionic carboxymethylcellulose-coated nano-silver multifunctional papermaking aid and preparation method thereof |
| CN103843823A (en) * | 2013-12-27 | 2014-06-11 | 山东光大科技发展有限公司 | Preparation method for cellulose ether nano-silver antibacterial agent |
| CN103962572A (en) * | 2014-04-18 | 2014-08-06 | 青岛大学 | Method for preparing small-sized nanometer silver crystals through blending-soaking-crystallizing method |
| CN103962571A (en) * | 2014-04-18 | 2014-08-06 | 青岛大学 | Method for preparing small-size nano-silver crystals through linter blending-soaking-crystal cup method |
| CN104014807A (en) * | 2014-05-28 | 2014-09-03 | 上海纳米技术及应用国家工程研究中心有限公司 | Silver nanocrystalline preparation method with surface raman enhancing effect |
| CN104237501A (en) * | 2014-08-13 | 2014-12-24 | 南京大学 | Antibody-modified nanometer silver, reagent box and application thereof |
| CN104525964A (en) * | 2014-12-21 | 2015-04-22 | 北京工业大学 | Simple preparing method for regular spherical silver nanometer particles |
| CN104874810A (en) * | 2015-05-11 | 2015-09-02 | 华南理工大学 | Green quick method for preparing nano-silver sol using bagasse extract |
| CN105081346A (en) * | 2015-08-31 | 2015-11-25 | 北京化工大学 | Method for rapidly preparing nano-silver particles |
| CN105199518A (en) * | 2015-09-24 | 2015-12-30 | 哈尔滨工程大学 | Preparing method for silver-mixed type acrylic acid self-polishing resin antifouling coating |
| CN105316006A (en) * | 2014-07-30 | 2016-02-10 | 达兴材料股份有限公司 | Liquid crystal alignment agent, liquid crystal alignment film, liquid crystal display element and preparation method of liquid crystal alignment agent |
| CN105345028A (en) * | 2015-11-30 | 2016-02-24 | 成都市天甫金属粉体有限责任公司 | Single-batch large-scale synthesis and production method for nanometer silver powder |
| CN105458286A (en) * | 2015-11-30 | 2016-04-06 | 成都市天甫金属粉体有限责任公司 | Production method of mono-dispersed silver powder |
| TWI551739B (en) * | 2015-05-11 | 2016-10-01 | Acelon Chem & Fiber Corp | Method for preparing nano silver blended natural cellulose spunbonded non-woven fabric |
| CN106174874A (en) * | 2016-07-08 | 2016-12-07 | 深圳市宜丽环保科技股份有限公司 | A kind of ventilative bradyseism health promoting insoles |
| CN106283241A (en) * | 2015-05-11 | 2017-01-04 | 聚隆纤维股份有限公司 | Prepare the method that nanometer silver blends native cellulose fibre |
| TWI565852B (en) * | 2015-05-11 | 2017-01-11 | Acelon Chem & Fiber Corp | Preparation of Nano silver blended natural cellulose fibers method |
| TWI565853B (en) * | 2015-05-11 | 2017-01-11 | Acelon Chem & Fiber Corp | Preparation of nano - silver blended natural cellulose melt - blown non - woven |
| CN106540691A (en) * | 2016-09-30 | 2017-03-29 | 天津宝兴威科技有限公司 | A kind of preparation method of nano-silver catalyst |
| CN106962401A (en) * | 2017-05-14 | 2017-07-21 | 常州力纯数码科技有限公司 | A kind of preparation method of nano silver antimicrobials |
| CN108405880A (en) * | 2018-04-20 | 2018-08-17 | 河南大学 | The method that xanthans network structure assists evenly dispersed triangle nano silver composite material is prepared using spin-coating method |
| CN108555428A (en) * | 2018-05-29 | 2018-09-21 | 北京交通大学 | A kind of preparation method and application of metal-based nano composite solder |
| CN108746664A (en) * | 2018-09-10 | 2018-11-06 | 河南金渠银通金属材料有限公司 | A kind of high oil absorption rate photovoltaic silver powder and the preparation method and application thereof |
| CN109014236A (en) * | 2018-07-11 | 2018-12-18 | 湖南省农产品加工研究所 | A kind of preparation method and applications of the Nano silver grain based on citrus pectin |
| CN109197899A (en) * | 2017-07-05 | 2019-01-15 | 北京农学院 | A kind of novel liquid nano silver antibacterial agent and its preparation method and application |
| CN109622986A (en) * | 2018-12-26 | 2019-04-16 | 天津理工大学 | A kind of preparation method of copper-based modification infusorial earth |
| CN106009442B (en) * | 2016-06-21 | 2019-04-23 | 天津大学 | A kind of preparation method of the polyvinyl alcohol hydrogel of carrying nano silver |
| CN109900690A (en) * | 2019-04-04 | 2019-06-18 | 青岛大学 | A kind of green quickly detects the colloidal sol preparation method and applications of sulphion |
| CN110089524A (en) * | 2018-01-31 | 2019-08-06 | 皇杰新能源科技(上海)有限公司 | Graphene coated nano silver antibacterial material and preparation method thereof |
| CN110102774A (en) * | 2019-05-14 | 2019-08-09 | 桂林理工大学 | A kind of environment-friendly preparation method thereof of the copper nano-particle based on citrus pectin and its application |
| CN110586956A (en) * | 2019-09-29 | 2019-12-20 | 同济大学 | Method for in-situ synthesis of montmorillonite/gold nanorod composite material |
| CN110883340A (en) * | 2018-09-10 | 2020-03-17 | 河南金渠银通金属材料有限公司 | Electronegative superfine silver powder and preparation method thereof |
| CN112404450A (en) * | 2020-11-05 | 2021-02-26 | 成都市天甫金属粉体有限责任公司 | Chemical synthesis method of high-dispersion high-sphericity porous silver powder |
| CN112933111A (en) * | 2021-02-04 | 2021-06-11 | 中科院过程工程研究所南京绿色制造产业创新研究院 | Colloidal active silver and preparation method and application thereof |
| CN113322673A (en) * | 2021-06-24 | 2021-08-31 | 苏州市德赫亚新纺织科技有限公司 | Preparation method of antibacterial and self-cleaning cotton fabric |
| TWI804752B (en) * | 2019-08-30 | 2023-06-11 | 美商薩爾維奧公司 | Pathogenic control compositions and methods |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101999412B (en) * | 2010-11-19 | 2014-05-28 | 深圳兰度生物材料有限公司 | Nano-silver solution and preparation method thereof |
| KR20180031635A (en) * | 2015-05-20 | 2018-03-28 | 국립대학법인 야마가타대학 | Method for producing silver nanoparticle dispersion and method for producing silver nanoparticle ink |
-
2004
- 2004-06-08 CN CN 200410027496 patent/CN1261268C/en not_active Expired - Fee Related
Cited By (71)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100362339C (en) * | 2005-02-25 | 2008-01-16 | 南京师范大学 | Method for preparing silver sol for investigating raman spectrum |
| WO2007017901A3 (en) * | 2005-06-08 | 2007-06-14 | Khandelwal Sanjeev | Silver nanoparticle dispersion formulation |
| WO2007017901A2 (en) * | 2005-06-08 | 2007-02-15 | Khandelwal Sanjeev | Silver nanoparticle dispersion formulation |
| CN1936124B (en) * | 2005-09-22 | 2011-04-20 | 河北吉藁化纤有限责任公司 | Silver-containing antibacterial viscose fiber and its preparing method |
| CN100393455C (en) * | 2005-12-23 | 2008-06-11 | 西安交通大学 | Preparation method of colloidal silver nanometer granule |
| CN100384572C (en) * | 2005-12-29 | 2008-04-30 | 黄德欢 | Preparation method of inorganic carried nanometer silver sol |
| CN100425375C (en) * | 2006-04-03 | 2008-10-15 | 庄平 | Nano-class silver colloidal solution and preparation method thereof |
| CN100528427C (en) * | 2007-09-14 | 2009-08-19 | 北京首创纳米科技有限公司 | Method for preparing nanometer silver composite sol |
| CN101147615B (en) * | 2007-10-23 | 2011-06-22 | 江南大学 | Frozen-dried, preserving and sterilizing method for with combined nanometer silver film and microwave drying method |
| CN101585088B (en) * | 2008-05-21 | 2011-07-27 | 任晓艳 | Method for preparing nano-silver thread |
| CN101278896B (en) * | 2008-05-23 | 2012-11-14 | 山东赛克赛斯药业科技有限公司 | Chitosan nano silver gel agent and uses thereof |
| CN101633045B (en) * | 2009-08-24 | 2011-05-11 | 北京崇高纳米科技有限公司 | Nanometer silver collodol, preparation method and application thereof |
| CN101734617B (en) * | 2009-12-22 | 2013-04-24 | 浙江大学 | A method for preparing tube-network silver nano self-assembled bodies |
| CN101811193B (en) * | 2010-04-06 | 2011-08-24 | 浙江大学 | Method for preparing silver nano sheet self-assembling material |
| CN101811193A (en) * | 2010-04-06 | 2010-08-25 | 浙江大学 | Method for preparing silver nano sheet self-assembling material |
| CN101869989A (en) * | 2010-06-03 | 2010-10-27 | 中国林业科学研究院林产化学工业研究所 | Method for preparing water dispersible metal nano-particles |
| CN102371357A (en) * | 2011-09-14 | 2012-03-14 | 王利兵 | Method for preparing branch-shaped micro silver with liquid phase method |
| CN102371357B (en) * | 2011-09-14 | 2013-06-12 | 王利兵 | Method for preparing branch-shaped micro silver with liquid phase method |
| CN102935520A (en) * | 2012-12-05 | 2013-02-20 | 苏州大学 | Method for preparing nano-silver water solution by modified glucose |
| CN102935520B (en) * | 2012-12-05 | 2015-10-28 | 苏州大学 | A kind of modified glucose prepares the method for nano-silver water solution |
| CN103055800A (en) * | 2013-02-05 | 2013-04-24 | 华北电力大学（保定） | Nano modified material for efficiently adsorbing gaseous element mercury and preparation method thereof |
| CN103357886A (en) * | 2013-06-28 | 2013-10-23 | 上海纳米技术及应用国家工程研究中心有限公司 | Preparation method for noble metal nanoclusters of fluorescent sensor |
| CN103409005A (en) * | 2013-06-28 | 2013-11-27 | 南京市荣达树脂有限公司 | Antibacterial coating material |
| CN103409004A (en) * | 2013-06-28 | 2013-11-27 | 南京市荣达树脂有限公司 | Method for preparing antibacterial coating material |
| CN103357886B (en) * | 2013-06-28 | 2016-09-07 | 上海纳米技术及应用国家工程研究中心有限公司 | A kind of preparation method of the noble metal nano cluster for fluorescent optical sensor |
| CN103843823A (en) * | 2013-12-27 | 2014-06-11 | 山东光大科技发展有限公司 | Preparation method for cellulose ether nano-silver antibacterial agent |
| CN103691967A (en) * | 2014-01-09 | 2014-04-02 | 李泽国 | Novel large-scale simple preparation method of nano-silver hydrosol |
| CN103726407A (en) * | 2014-01-09 | 2014-04-16 | 福建农林大学 | Anionic carboxymethylcellulose-coated nano-silver multifunctional papermaking aid and preparation method thereof |
| CN103962571B (en) * | 2014-04-18 | 2015-10-14 | 青岛大学 | A kind of cotton linter is blended-method of wet-crystal cup legal system of spreading and sinking in for small-size nano-silver crystal |
| CN103962572B (en) * | 2014-04-18 | 2015-10-14 | 青岛大学 | A kind of blended-method of wet-crystal cup legal system of spreading and sinking in for small-size nano-silver crystal |
| CN103962571A (en) * | 2014-04-18 | 2014-08-06 | 青岛大学 | Method for preparing small-size nano-silver crystals through linter blending-soaking-crystal cup method |
| CN103962572A (en) * | 2014-04-18 | 2014-08-06 | 青岛大学 | Method for preparing small-sized nanometer silver crystals through blending-soaking-crystallizing method |
| CN104014807A (en) * | 2014-05-28 | 2014-09-03 | 上海纳米技术及应用国家工程研究中心有限公司 | Silver nanocrystalline preparation method with surface raman enhancing effect |
| CN105316006A (en) * | 2014-07-30 | 2016-02-10 | 达兴材料股份有限公司 | Liquid crystal alignment agent, liquid crystal alignment film, liquid crystal display element and preparation method of liquid crystal alignment agent |
| CN105316006B (en) * | 2014-07-30 | 2018-05-18 | 达兴材料股份有限公司 | Liquid crystal alignment agent, liquid crystal alignment film, liquid crystal display element and preparation method of liquid crystal alignment agent |
| CN104237501A (en) * | 2014-08-13 | 2014-12-24 | 南京大学 | Antibody-modified nanometer silver, reagent box and application thereof |
| CN104525964A (en) * | 2014-12-21 | 2015-04-22 | 北京工业大学 | Simple preparing method for regular spherical silver nanometer particles |
| TWI565852B (en) * | 2015-05-11 | 2017-01-11 | Acelon Chem & Fiber Corp | Preparation of Nano silver blended natural cellulose fibers method |
| TWI551739B (en) * | 2015-05-11 | 2016-10-01 | Acelon Chem & Fiber Corp | Method for preparing nano silver blended natural cellulose spunbonded non-woven fabric |
| CN106283241A (en) * | 2015-05-11 | 2017-01-04 | 聚隆纤维股份有限公司 | Prepare the method that nanometer silver blends native cellulose fibre |
| TWI565853B (en) * | 2015-05-11 | 2017-01-11 | Acelon Chem & Fiber Corp | Preparation of nano - silver blended natural cellulose melt - blown non - woven |
| CN106283241B (en) * | 2015-05-11 | 2018-10-19 | 聚隆纤维股份有限公司 | The method for preparing nano silver blending native cellulose fibre |
| CN104874810A (en) * | 2015-05-11 | 2015-09-02 | 华南理工大学 | Green quick method for preparing nano-silver sol using bagasse extract |
| CN105081346A (en) * | 2015-08-31 | 2015-11-25 | 北京化工大学 | Method for rapidly preparing nano-silver particles |
| CN105199518A (en) * | 2015-09-24 | 2015-12-30 | 哈尔滨工程大学 | Preparing method for silver-mixed type acrylic acid self-polishing resin antifouling coating |
| CN105199518B (en) * | 2015-09-24 | 2017-07-11 | 哈尔滨工程大学 | Silver type acrylic acid is pressed from both sides from the preparation method for polishing resin nonpolluting coating |
| CN105345028A (en) * | 2015-11-30 | 2016-02-24 | 成都市天甫金属粉体有限责任公司 | Single-batch large-scale synthesis and production method for nanometer silver powder |
| CN105458286A (en) * | 2015-11-30 | 2016-04-06 | 成都市天甫金属粉体有限责任公司 | Production method of mono-dispersed silver powder |
| CN106009442B (en) * | 2016-06-21 | 2019-04-23 | 天津大学 | A kind of preparation method of the polyvinyl alcohol hydrogel of carrying nano silver |
| CN106174874B (en) * | 2016-07-08 | 2017-10-24 | 深圳市宜丽环保科技股份有限公司 | A kind of ventilative bradyseism health insoles |
| CN106174874A (en) * | 2016-07-08 | 2016-12-07 | 深圳市宜丽环保科技股份有限公司 | A kind of ventilative bradyseism health promoting insoles |
| CN106540691A (en) * | 2016-09-30 | 2017-03-29 | 天津宝兴威科技有限公司 | A kind of preparation method of nano-silver catalyst |
| CN106962401A (en) * | 2017-05-14 | 2017-07-21 | 常州力纯数码科技有限公司 | A kind of preparation method of nano silver antimicrobials |
| CN109197899A (en) * | 2017-07-05 | 2019-01-15 | 北京农学院 | A kind of novel liquid nano silver antibacterial agent and its preparation method and application |
| CN110089524A (en) * | 2018-01-31 | 2019-08-06 | 皇杰新能源科技(上海)有限公司 | Graphene coated nano silver antibacterial material and preparation method thereof |
| CN108405880A (en) * | 2018-04-20 | 2018-08-17 | 河南大学 | The method that xanthans network structure assists evenly dispersed triangle nano silver composite material is prepared using spin-coating method |
| CN108555428A (en) * | 2018-05-29 | 2018-09-21 | 北京交通大学 | A kind of preparation method and application of metal-based nano composite solder |
| CN108555428B (en) * | 2018-05-29 | 2019-12-31 | 北京交通大学 | Preparation method and application of metal-based nano composite solder |
| CN109014236A (en) * | 2018-07-11 | 2018-12-18 | 湖南省农产品加工研究所 | A kind of preparation method and applications of the Nano silver grain based on citrus pectin |
| CN108746664A (en) * | 2018-09-10 | 2018-11-06 | 河南金渠银通金属材料有限公司 | A kind of high oil absorption rate photovoltaic silver powder and the preparation method and application thereof |
| CN110883340A (en) * | 2018-09-10 | 2020-03-17 | 河南金渠银通金属材料有限公司 | Electronegative superfine silver powder and preparation method thereof |
| CN109622986A (en) * | 2018-12-26 | 2019-04-16 | 天津理工大学 | A kind of preparation method of copper-based modification infusorial earth |
| CN109900690A (en) * | 2019-04-04 | 2019-06-18 | 青岛大学 | A kind of green quickly detects the colloidal sol preparation method and applications of sulphion |
| CN109900690B (en) * | 2019-04-04 | 2021-12-14 | 青岛大学 | Preparation method and application of sol for green rapid detection of sulfur ions |
| CN110102774A (en) * | 2019-05-14 | 2019-08-09 | 桂林理工大学 | A kind of environment-friendly preparation method thereof of the copper nano-particle based on citrus pectin and its application |
| CN110102774B (en) * | 2019-05-14 | 2022-05-31 | 桂林理工大学 | Green preparation method and application of copper nanoparticles based on citrus pectin |
| TWI804752B (en) * | 2019-08-30 | 2023-06-11 | 美商薩爾維奧公司 | Pathogenic control compositions and methods |
| CN110586956A (en) * | 2019-09-29 | 2019-12-20 | 同济大学 | Method for in-situ synthesis of montmorillonite/gold nanorod composite material |
| CN112404450A (en) * | 2020-11-05 | 2021-02-26 | 成都市天甫金属粉体有限责任公司 | Chemical synthesis method of high-dispersion high-sphericity porous silver powder |
| CN112933111A (en) * | 2021-02-04 | 2021-06-11 | 中科院过程工程研究所南京绿色制造产业创新研究院 | Colloidal active silver and preparation method and application thereof |
| CN113322673A (en) * | 2021-06-24 | 2021-08-31 | 苏州市德赫亚新纺织科技有限公司 | Preparation method of antibacterial and self-cleaning cotton fabric |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1261268C (en) | 2006-06-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1261268C (en) | Nanometer silver sol and preparing method thereof | |
| Jing et al. | Engineering of g-C3N4 nanoparticles/WO3 hollow microspheres photocatalyst with Z-scheme heterostructure for boosting tetracycline hydrochloride degradation | |
| Basnet et al. | Structure-directing property and growth mechanism induced by capping agents in nanostructured ZnO during hydrothermal synthesis—A systematic review | |
| Pathania et al. | Novel guar gum/Al2O3 nanocomposite as an effective photocatalyst for the degradation of malachite green dye | |
| Huang et al. | Ultrathin carbon-coated Zr3+-ZrO2 nanostructures for efficient visible light photocatalytic antibiotic elimination | |
| Xing et al. | Synthesis of carbon doped Bi2MoO6 for enhanced photocatalytic performance and tumor photodynamic therapy efficiency | |
| Gan et al. | Impact of Cu particles on adsorption and photocatalytic capability of mesoporous Cu@ TiO2 hybrid towards ciprofloxacin antibiotic removal | |
| CN1198884C (en) | Preparation method of spherical composite nano silver/silicon dioxide functional material | |
| CN101066526A (en) | Heterostructure material of hydrotalcite and carbon nanotube and its prepn process | |
| CN102698775A (en) | BiOI-graphene visible light catalyst and preparation method thereof | |
| CN103272592B (en) | One dimension carries the preparation method of silver-colored titanium dioxide nano-rod photo-catalyst | |
| CN108031475B (en) | Preparation method of gold-loaded ferric oxide nano photocatalyst | |
| CN1792508A (en) | Nano silver using inorganic metallic oxide as carrier and preparation process thereof | |
| CN1736586A (en) | Inorganic clay compound material, its preparation and use | |
| US9291618B2 (en) | Porous noble metal oxide nanoparticles, method for preparing the same and their use | |
| Cui et al. | Simultaneously promoting adsorption and charge separation in Z-scheme ZnO/Cu2O heterojunctions for efficient removal of tetracycline | |
| Zhao et al. | UiO-66-NH2/Cu2O composite as an enhanced visible light photocatalyst for decomposition of organic pollutants | |
| CN107824173A (en) | A kind of titanous auto-dope titania nanoparticles partial reduction stannic oxide/graphene nano piece composite and preparation method thereof | |
| CN114733519A (en) | Preparation method of nano-silver/graphene/nano-titanium dioxide composite material | |
| Tang et al. | A novel AgCl-based visible-light photocatalyst through in-situ assembly of carbon dots for efficient dye degradation and hydrogen evolution | |
| CN103157495A (en) | Au/BiOBr0.2I0.8 visible-light-induced catalyst and preparation method thereof | |
| Liu et al. | Construction of ternary hollow TiO2-ZnS@ ZnO heterostructure with enhanced visible-light photoactivity | |
| CN101347842A (en) | Stable nano gold sol synthesized by one-step method in aqueous phase with star polymer | |
| CN1807258A (en) | Method for preparing three-dimensional nanometer structure titanium dioxide | |
| Li et al. | Chitosan synergizes with bismuth-based metal-organic frameworks to construct double S-type heterojunctions for enhancing photocatalytic antimicrobial activity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN ELI ENVIRONMENTAL PROTECTION CO., LTD. Free format text: FORMER OWNER: LIU JIE Effective date: 20111014 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20111014 Address after: 518028, Guangdong, Shenzhen province Longgang District Bantian Street five North Avenue and 7 Yuan Science and Technology Park, building No. 1, -1 Patentee after: Shenzhen Eli Environmental Protection Co., Ltd. Address before: 518028 room 1608-1609, Sichuan Mansion, Hongli Road, Shenzhen, Futian District, Guangdong Patentee before: Liu Jie |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060628 Termination date: 20210608 |