CN102132709A - Method for preparing starch core-shell silver antibacterial agent - Google Patents
Method for preparing starch core-shell silver antibacterial agent Download PDFInfo
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- CN102132709A CN102132709A CN2010106167467A CN201010616746A CN102132709A CN 102132709 A CN102132709 A CN 102132709A CN 2010106167467 A CN2010106167467 A CN 2010106167467A CN 201010616746 A CN201010616746 A CN 201010616746A CN 102132709 A CN102132709 A CN 102132709A
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Abstract
The invention relates to a method for preparing a starch core-shell silver antibacterial agent, which comprises the following steps of: synthesizing core-shell silver antibacterial agent by using silver nitrate as an antibacterial agent core, potato starch as a protective agent core, glucose as a reducer, sodium hydroxide as a pH value regulator, deionized water as solvent, alcohol and the deionized water as a washing agent in a four-opening flask in a protective atmosphere of nitrogen by heating, stirring, water bath treatment and water circulation condensation; and performing centrifugal separation, washing, performing suction-filtration and vacuum drying on the mixed solution to prepare starch core-shell silver antibacterial agent powder, wherein the powder is spherical granules of which the diameter is less than or equal to 20 nanometers, has the excellent antibacterial performance and antibacterial rate of 96 percent, is environmentally-friendly and pollution-free, and can be used for antibacterium and disinfection in fields of food, fabrics, refreshment, deodorization and medicines. The method adopts a short process and fewer raw material varieties, and is an ideal method for preparing the starch core-shell silver antibacterial agent.
Description
Technical field
The present invention relates to a kind of preparation method of starch nucleocapsid silver antibacterial agent, belong to the technical field of antibiotic and sterilizing material preparation and application.
Background technology
Antibiotic and sterilizing is the widespread usage technical field of daily life, medical technology and industrial circle, and its method also has various ways, for example disinfectant method, antisepsis, luminescence method, radiation method etc.
The most frequently used in antisepsis is silver antibacterial agent, silver has very strong antibiotic, bacteriostasis, the appearance of Nano Silver makes the antibiotic effect of silver obtain increasing substantially, Nano Silver has advantages such as specific surface area is big, rate of release is fast, the antibiotic time is long, Nano Silver is used chemical reduction method, photoreduction met hod, radiation method, microemulsion method preparation always, but preparation process cost height has pollution.
Starch is the macromolecular material of a kind of green, environmental protection, has biodegradable characteristics, and material source is extensive, cheap, there are abundant hydroxyl and silver ion to form coordinate bond in the starch, can prevent the reunion of silver powder particles, do the nucleocapsid of silver powder particles, have lot of superiority with starch.
Potato starch is a classification of starch, has more superiority than foodstuff starch, and easier degraded and carry out chemical treatment has more the feature of environmental protection.
Summary of the invention
Goal of the invention
The objective of the invention is situation according to background technology, adopt the greengrocery potato starch to do core-shell material, nano-scale silver powder is done nuclear, makes the nanometer-level silver antibacterial agent of core-shell material, make antibacterial agent have degradability, to reach purpose green, nuisanceless antibiotic and sterilizing.
Technical scheme
The chemical substance material that the present invention uses is: silver nitrate, potato starch, glucose, sodium hydroxide, alcohol, deionized water, water-bath water, nitrogen, its combination consumption is as follows: with gram, milliliter, centimetre
3Be measurement unit
Silver nitrate: AgNO
30.34g ± 0.001g
Potato starch: (C
6H
10O
5)
nN=1000～3000 50g ± 1g
Glucose: C
6H
12O
60.72g ± 0.001g
Sodium hydroxide: NaOH 4.0g ± 0.001g
Alcohol: C
2H
5OH 1000ml ± 10ml
Deionized water: H
2O 10000ml ± 50ml
Water-bath water: H
2O 1000ml ± 50ml
Nitrogen: N
25000cm
3± 100cm
3
The preparation method is as follows:
(1) selected chemical substance material
The chemical substance material that preparation is used will carry out selected, and carries out quality purity control:
Silver nitrate: solid powder 99.9%
Potato starch: solid powder 99.5%
Glucose: solid powder 99.8%
Sodium hydroxide: solid powder 99.5%
Alcohol: liquid liquid 99.5%
Deionized water: liquid liquid 99.9%
Water-bath water: liquid liquid 85.0%
Nitrogen: gaseous state gas 99.9%
(2) potato starch grinds, sieves
50g places agate mortar with potato starch, grinds with agate pestle;
Sieve with 650 eye mesh screens then;
Grinding is sieved and is repeated 5 times;
After grinding is sieved, potato starch particle≤0.025mm;
(3) preparation silver nitrate aqueous solution
Take by weighing silver nitrate 0.34g ± 0.001g;
Measure deionized water 1000ml ± 10ml;
Place beaker, stir 30min with agitator;
Become: the silver nitrate aqueous solution of 0.002mol/L;
(4) preparation sodium hydrate aqueous solution
Weighing sodium hydroxide 4.0g ± 0.001g;
Measure deionized water 100ml ± 1ml;
Place beaker, stir 5min with agitator;
Become: the sodium hydrate aqueous solution of 0.01mol/L;
(5) preparation reductant D/W
Take by weighing glucose 0.72g ± 0.001g;
Measure deionized water 200ml ± 1ml;
Add in the beaker, stir 5min with agitator;
Become: the D/W of 0.02mol/L;
(6) preparation nucleocapsid structure silver antibacterial agent
1. preparation is carried out in four-hole boiling flask, and four-hole boiling flask is placed on the cleansing bath tub, and cleansing bath tub is placed on the electric heating magnetic stirring apparatus;
2. clean four-hole boiling flask
Deionized water 120ml is added in the four-hole boiling flask, clean, make cleaning in the four-hole boiling flask, cleaning repeats 5 times;
3. on four-hole boiling flask, insert pH meter, nitrogen tube, dropping funel, water circulation condenser pipe from left to right successively;
4. add water-bath water 800ml to cleansing bath tub, the water-bath water logging there is not 4/5 of four-hole boiling flask volume;
5. open the electric heating magnetic stirring apparatus, temperature rises to 80 ± 2 ℃ by 25 ℃;
Open the water circulation condenser pipe, carry out the water circulation condensation;
Open nitrogen valve, nitrogen cylinder, to four-hole boiling flask input nitrogen, input speed 20cm
3/ min;
6. add to four-hole boiling flask by addition funnel:
Silver nitrate aqueous solution 500ml ± 10ml;
Potato starch 10g ± 0.001g;
Silver nitrate aqueous solution: potato starch=50: 1
Stir 20min ± 1min after the adding;
7. drip the reductant D/W
Drip D/W 100ml, rate of addition 2ml/min by dropping funel to four-hole boiling flask; The limit drips, time 50min ± 5min is stirred on the limit;
8. the dropping sodium aqueous solution is regulated the acidity-basicity ph value
To the four-hole boiling flask dropping sodium aqueous solution, rate of addition 1ml/min stirs while dripping, and makes acidity-basicity ph=8-9 in the four-hole boiling flask, meta-alkalescence by addition funnel;
9. continue to stir 60min ± 1min
Become in the four-hole boiling flask: silver nitrate+potato starch+glucose+sodium hydroxide+five yuan of mixed solutions of deionized water;
Under heating, stirring, water-bath, nitrogen protection, water circulation condensing state, chemical reaction will take place in five yuan of mixed solutions in the four-hole boiling flask, and reaction equation is as follows:
In the formula:
Ag (C
6H
10O
5)
n: starch nucleocapsid silver composite
C
6H1
12O
7: gluconic acid
NaNO
3: sodium nitrate
H
2O: steam
10. after reaction finishes, close the electric heating magnetic stirring apparatus, water circulation condenser pipe, nitrogen valve make the interior mixed solution of four-hole boiling flask naturally cool to 25 ± 2 ℃ with bottle;
(7) centrifugation
Mixed solution in the four-hole boiling flask is moved in the centrifugal separating tube, place then on the centrifugal separator, carry out centrifugation, separate rotating speed 5000r/min, after the separation, centrifuge tube top is clarified solution, and the bottom is the product powder, outwells clarified solution, collects the product powder;
(8) alcohol+deionized water washing
The product powder is placed beaker, add alcohol 200ml, deionized water 200ml stirs, washs, and alcohol+deionized water washing repeats 5 times, and the washing back becomes: mixed liquor;
(9) suction filtration
Mixed liquor after the washing is placed the Buchner funnel on bottle,suction top, carry out suction filtration with three layers of middling speed qualitative filter paper, retention product filter cake on the filter paper, waste liquid is evacuated in the filter flask;
(10) vacuum drying
The product filter cake is placed quartz boat, places vacuum drying chamber to carry out drying then, vacuum-0.01MPa, 60 ℃ ± 2 ℃ of baking temperatures, drying time 360min ± 1min;
After the drying, close vacuum drying chamber, make it naturally cool to 25 ℃ ± 2 ℃ with case;
Open drying box, take out quartz boat: yellowish-brown product powder;
That is: starch nucleocapsid silver antibacterial agent;
(11) detect, analyze, characterize
Pattern, color and luster, composition, the anti-microbial property of starch nucleocapsid silver antibacterial agent to preparation detects, analyzes, characterizes;
Carry out product particle, morphology analysis with the transmission electron microscope instrument;
Carry out structural analysis with x-ray diffractometer;
Carry out ultraviolet absorption spectroscopy with ultraviolet-visual spectrometer;
Conclusion: product is a starch nucleocapsid silver antibacterial agent, is the yellowish-brown powder, and powder granule is a spheroidal, particle diameter≤20nm;
(12) product stores
Yellowish-brown powder to preparation places water white glass container, and the airtight clean environment that is stored in is wanted moistureproof, sun-proof, acid-proof alkali salt etch, 20 ℃ ± 2 ℃ of storage temperatures, relative moisture≤10%.
Beneficial effect
The present invention compares with background technology has tangible advance; be to be the antibacterial agent nuclear fuel material with the silver nitrate; with the potato starch is the protectant nucleocapsid; with glucose is reductant; with sodium hydroxide is acidity-basicity ph value conditioning agent; with the deionized water is solvent; with alcohol+deionized water is washing agent; with nitrogen is protective gas; in four-hole boiling flask, in heating; stir; water-bath; the water circulation condenser pipe; nitrogen protection is synthetic down, through centrifugation; washing; suction filtration; vacuum drying; make yellowish-brown starch nucleocapsid silver antibacterial agent product powder; powder is the spheroidal particle, diameter≤20nm, and anti-microbial property is good; antibiotic rate reaches 96%; environmental protection; pollution-free, can be used for food; fabric; fresh-keeping; deodorizing; the antibiotic and sterilizing of field of medicaments, this preparation method's technological process is short; the use raw material variety is few, is the method for the silver antibacterial agent of desirable preparation starch nucleocapsid.
Description of drawings
Fig. 1 prepares state diagram for starch nucleocapsid silver antibacterial agent
Fig. 2 amplifies 200,000 times of shape appearance figures for starch nucleocapsid silver antibacterial agent product transmission electron microscope
Fig. 3 is starch nucleocapsid silver antibacterial agent product SEAD figure
Fig. 4 is a starch nucleocapsid silver antibacterial agent product X x ray diffraction collection of illustrative plates
Fig. 5 is a starch nucleocapsid silver antibacterial agent product ultraviolet-visible spectrogram
Shown in the figure, list of numerals is as follows:
1, electric heating magnetic stirring apparatus, 2, display screen, 3, indicator lamp, 4, gauge tap, 5, cleansing bath tub, 6, four-hole boiling flask, 7, pH meter, 8, nitrogen tube, 9, nitrogen valve, 10, nitrogen cylinder, 11, dropping funel, 12, control valve, 13, the water circulation condenser pipe, 14, venthole, 15, outlet pipe, 16, water inlet pipe, 17, nitrogen, 18, mixed solution, 19, water-bath water.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing:
Shown in Figure 1, for starch nucleocapsid silver antibacterial agent prepares state diagram, it is correct that want the each several part position, according to quantity proportioning, operation according to the order of sequence.
The value of the chemical substance that preparation is used is to determine by the scope that is provided with earlier, with gram, milliliter, centimetre
3Be measurement unit.
It is clean that four-hole boiling flask, water circulation condenser pipe, dropping funel, nitrogen tube, pH meter, beaker, stirring rod, quartz boat, agate mortar, container, the stirring rod that preparation is used will keep, and must not have impurity to get involved, in order to avoid generate accessory substance.
On electric heating magnetic stirring apparatus 1, be provided with display screen 2, indicator lamp 3, gauge tap 4, on electric heating magnetic stirring apparatus 1 top is cleansing bath tub 5, be water-bath water 19 in the cleansing bath tub 5, at cleansing bath tub 5, water-bath water 19 tops are four-hole boiling flask 6, water-bath water 19 is wanted whole liquid in the submergence four-hole boiling flask, be provided with pH meter 7 from left to right successively on four-hole boiling flask top, nitrogen tube 8 and nitrogen valve 9, dropping funel 11 and control valve 12, water circulation condenser pipe 13 and on gas outlet 14, outlet pipe 15, water inlet pipe 16, nitrogen tube 8 connects nitrogen cylinder 10, and the bottom is a mixed solution 18 in the four-hole boiling flask 6, top is nitrogen 17.
Shown in Figure 2, for starch nucleocapsid antibacterial agent product transmission electron microscope amplifies 200,000 times of shape appearance figures, among the figure as can be known: the starch nucleocapsid externally, galactic nucleus is in inside, the powder particle diameter is≤20nm.
Shown in Figure 3, starch nucleocapsid silver antibacterial agent SEAD figure has bright spot among the figure, illustrates to obtain polycrystalline Nano nucleocapsid silver product.
Shown in Figure 4, starch nucleocapsid silver antibacterial agent product X RD diffracting spectrum, among the figure as can be known: product is 37.8 °, 43.5 °, 64.2 ° and 77.5 ° at 2 θ and has located diffraction maximum and occur, respectively (111), (200), (220) and (311) crystal face of corresponding argent illustrate that what obtain is the face-centered cubic nanocrystalline silver.
Shown in Figure 5, starch nucleocapsid silver antibacterial agent product ultraviolet-visible spectrogram as can be known, is that Nano Silver plasma absorption resonance peak appears in the 420nm place in absorbing wavelength among the figure, and the peak shape symmetry illustrates the Nano Silver narrow size distribution, does not have big agglomerated particles.
Claims (3)
1. the preparation method of a starch nucleocapsid silver antibacterial agent, it is characterized in that the chemical substance material that uses is: silver nitrate, potato starch, glucose, sodium hydroxide, alcohol, deionized water, water-bath water, nitrogen, its combination consumption is as follows: with gram, milliliter, centimetre
3Be measurement unit
Silver nitrate: AgNO
30.34g ± 0.001g
Potato starch: (C
6H
10O
5)
nN=1000～3000 50g ± 1g
Glucose: C
6H
12O
60.72 ± 0.001g
Sodium hydroxide: NaOH 4.0g ± 0.001g
Alcohol: C
2H
5OH 1000ml ± 10ml
Deionized water: H
2O 10000ml ± 50ml
Water-bath water: H
2O 1000ml ± 50ml
Nitrogen: N
25000cm
3± 100cm
3
The preparation method is as follows:
(1) selected chemical substance material
The chemical substance material that preparation is used will carry out selected, and carries out quality purity control:
Silver nitrate: solid powder 99.9%
Potato starch: solid powder 99.5%
Glucose: solid powder 99.8%
Sodium hydroxide: solid powder 99.5%
Alcohol: liquid liquid 99.5%
Deionized water: liquid liquid 99.9%
Water-bath water: liquid liquid 85.0%
Nitrogen: gaseous state gas 99.9%
(2) potato starch grinds, sieves
50g places agate mortar with potato starch, grinds with agate pestle;
Sieve with 650 eye mesh screens then;
Grinding is sieved and is repeated 5 times;
After grinding is sieved, potato starch particle≤0.025mm;
(3) preparation silver nitrate aqueous solution
Take by weighing silver nitrate 0.34g ± 0.001g;
Measure deionized water 1000ml ± 10ml;
Place beaker, stir 30min with agitator;
Become: the silver nitrate aqueous solution of 0.002mol/L;
(4) preparation sodium hydrate aqueous solution
Weighing sodium hydroxide 4.0g ± 0.001g;
Measure deionized water 100ml ± 1ml;
Place beaker, stir 5min with agitator;
Become: the sodium hydrate aqueous solution of 0.01mol/L;
(5) preparation reductant D/W
Take by weighing glucose 0.72g ± 0.001g;
Measure deionized water 200ml ± 1ml;
Add in the beaker, stir 5min with agitator;
Become: the D/W of 0.02mol/L;
(6) preparation nucleocapsid structure silver antibacterial agent
1. preparation is carried out in four-hole boiling flask, and four-hole boiling flask is placed on the cleansing bath tub, and cleansing bath tub is placed on the electric heating magnetic stirring apparatus;
2. clean four-hole boiling flask
Deionized water 120ml is added in the four-hole boiling flask, clean, make cleaning in the four-hole boiling flask, cleaning repeats 5 times;
3. on four-hole boiling flask, insert pH meter, nitrogen tube, dropping funel, water circulation condenser pipe from left to right successively;
4. add water-bath water 800ml to cleansing bath tub, the water-bath water logging there is not 4/5 of four-hole boiling flask volume;
5. open the electric heating magnetic stirring apparatus, temperature rises to 80 ± 2 ℃ by 25 ℃;
Open the water circulation condenser pipe, carry out the water circulation condensation;
Open nitrogen valve, nitrogen cylinder, to four-hole boiling flask input nitrogen, input speed 20cm
3/ min;
6. add to four-hole boiling flask by addition funnel:
Silver nitrate aqueous solution 500ml ± 10ml;
Potato starch 10g ± 0.001g;
Silver nitrate aqueous solution: potato starch=50: 1
Stir 20min ± 1min after the adding;
7. drip the reductant D/W
Drip D/W 100ml, rate of addition 2ml/min by dropping funel to four-hole boiling flask; The limit drips, time 50min ± 5min is stirred on the limit;
8. the dropping sodium aqueous solution is regulated the acidity-basicity ph value
To the four-hole boiling flask dropping sodium aqueous solution, rate of addition 1ml/min stirs while dripping, and makes acidity-basicity ph=8-9 in the four-hole boiling flask, meta-alkalescence by addition funnel;
9. continue to stir 60min ± 1min
Become in the four-hole boiling flask: silver nitrate+potato starch+glucose+sodium hydroxide+five yuan of mixed solutions of deionized water;
Under heating, stirring, water-bath, nitrogen protection, water circulation condensing state, chemical reaction will take place in five yuan of mixed solutions in the four-hole boiling flask, and reaction equation is as follows:
In the formula:
Ag (C
6H
10O
5)
n: starch nucleocapsid silver composite
C
6H1
12O
7: gluconic acid
NaNO
3: sodium nitrate
H
2O: steam
10. after reaction finishes, close the electric heating magnetic stirring apparatus, water circulation condenser pipe, nitrogen valve make the interior mixed solution of four-hole boiling flask naturally cool to 25 ± 2 ℃ with bottle;
(7) centrifugation
Mixed solution in the four-hole boiling flask is moved in the centrifugal separating tube, place then on the centrifugal separator, carry out centrifugation, separate rotating speed 5000r/min, after the separation, centrifuge tube top is clarified solution, and the bottom is the product powder, outwells clarified solution, collects the product powder;
(8) alcohol+deionized water washing
The product powder is placed beaker, add alcohol 200ml, deionized water 200ml stirs, washs, and alcohol+deionized water washing repeats 5 times, and the washing back becomes: mixed liquor;
(9) suction filtration
Mixed liquor after the washing is placed the Buchner funnel on bottle,suction top, carry out suction filtration with three layers of middling speed qualitative filter paper, retention product filter cake on the filter paper, waste liquid is evacuated in the filter flask;
(10) vacuum drying
The product filter cake is placed quartz boat, places vacuum drying chamber to carry out drying then, vacuum-0.01MPa, 60 ℃ ± 2 ℃ of baking temperatures, drying time 360min ± 1min;
After the drying, close vacuum drying chamber, make it naturally cool to 25 ℃ ± 2 ℃ with case;
Open drying box, take out quartz boat: yellowish-brown product powder;
That is: starch nucleocapsid silver antibacterial agent;
(11) detect, analyze, characterize
Pattern, color and luster, composition, the anti-microbial property of starch nucleocapsid silver antibacterial agent to preparation detects, analyzes, characterizes;
Carry out product particle, morphology analysis with the transmission electron microscope instrument;
Carry out structural analysis with x-ray diffractometer;
Carry out ultraviolet absorption spectroscopy with ultraviolet-visual spectrometer;
Conclusion: product is a starch nucleocapsid silver antibacterial agent, is the yellowish-brown powder, and powder granule is a spheroidal, particle diameter≤20nm;
(12) product stores
Yellowish-brown powder to preparation places water white glass container, and the airtight clean environment that is stored in is wanted moistureproof, sun-proof, acid-proof alkali salt etch, 20 ℃ ± 2 ℃ of storage temperatures, relative moisture≤10%.
2. the preparation method of a kind of starch nucleocapsid silver antibacterial agent according to claim 1, it is characterized in that: the preparation of described starch nucleocapsid silver antibacterial agent is carried out in four-hole boiling flask, on electric heating magnetic stirring apparatus (1), be provided with display screen (2), indicator lamp (3), gauge tap (4), on electric heating magnetic stirring apparatus (1) top is cleansing bath tub (5), be water-bath water (19) in the cleansing bath tub (5), in cleansing bath tub (5), water-bath water (19) top is four-hole boiling flask (6), water-bath water (19) is wanted whole liquid in the submergence four-hole boiling flask, be provided with pH meter (7) from left to right successively on four-hole boiling flask top, nitrogen tube (8) and nitrogen valve (9), dropping funel (11) and control valve (12), water circulation condenser pipe (13) and on gas outlet (14), outlet pipe (15), water inlet pipe (16), nitrogen tube (8) connects nitrogen cylinder (10), and the interior bottom of four-hole boiling flask (6) is mixed solution (18), top is nitrogen (17).
3. the preparation method of a kind of starch nucleocapsid silver antibacterial agent according to claim 1, it is characterized in that: the diffracted intensity of described starch nucleocapsid silver antibacterial agent, product is 37.8 °, 43.5 °, 64.2 ° and 77.5 ° at 2 θ and has located diffraction maximum, respectively (111), (200), (220) and (311) crystal face of corresponding argent illustrate that what obtain is the face-centered cubic nanocrystalline silver.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010616746 CN102132709B (en) | 2010-12-22 | 2010-12-22 | Method for preparing starch core-shell silver antibacterial agent |
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|---|---|---|---|
| CN 201010616746 CN102132709B (en) | 2010-12-22 | 2010-12-22 | Method for preparing starch core-shell silver antibacterial agent |
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|---|---|
| CN102132709A true CN102132709A (en) | 2011-07-27 |
| CN102132709B CN102132709B (en) | 2013-06-05 |
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|---|---|---|---|
| CN 201010616746 Expired - Fee Related CN102132709B (en) | 2010-12-22 | 2010-12-22 | Method for preparing starch core-shell silver antibacterial agent |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102939958A (en) * | 2012-11-13 | 2013-02-27 | 浙江大学 | Silver-carrying shell powder antibacterial agent and preparation method thereof |
| CN102941348A (en) * | 2012-12-05 | 2013-02-27 | 苏州大学 | Method for preparing nano-silver hydrosol by using plant extract |
| CN102939959A (en) * | 2012-11-22 | 2013-02-27 | 国家海洋局第一海洋研究所 | Biological composite material loading nano-silver particle |
| CN106065297A (en) * | 2016-08-05 | 2016-11-02 | 宝艺新材料股份有限公司 | A kind of corrugated case with durable antibiotic performance |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1129518A (en) * | 1994-10-18 | 1996-08-28 | 联合株式会社 | Anti-fungus agent |
| CN101401586A (en) * | 2008-11-20 | 2009-04-08 | 苏伟 | Simple production method for nano-silver antiseptic solution |
-
2010
- 2010-12-22 CN CN 201010616746 patent/CN102132709B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1129518A (en) * | 1994-10-18 | 1996-08-28 | 联合株式会社 | Anti-fungus agent |
| CN101401586A (en) * | 2008-11-20 | 2009-04-08 | 苏伟 | Simple production method for nano-silver antiseptic solution |
Non-Patent Citations (1)
| Title |
|---|
| 高向华，等: "银型沸石抗菌剂的制备与性能研究", 《太原理工大学学报》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102939958A (en) * | 2012-11-13 | 2013-02-27 | 浙江大学 | Silver-carrying shell powder antibacterial agent and preparation method thereof |
| CN102939958B (en) * | 2012-11-13 | 2015-01-21 | 浙江大学 | Silver-carrying shell powder antibacterial agent and preparation method thereof |
| CN102939959A (en) * | 2012-11-22 | 2013-02-27 | 国家海洋局第一海洋研究所 | Biological composite material loading nano-silver particle |
| CN102939959B (en) * | 2012-11-22 | 2014-02-26 | 国家海洋局第一海洋研究所 | Biological composite material loading nano-silver particle |
| CN102941348A (en) * | 2012-12-05 | 2013-02-27 | 苏州大学 | Method for preparing nano-silver hydrosol by using plant extract |
| CN102941348B (en) * | 2012-12-05 | 2015-02-11 | 苏州大学 | Method for preparing nano-silver hydrosol by using plant extract |
| CN106065297A (en) * | 2016-08-05 | 2016-11-02 | 宝艺新材料股份有限公司 | A kind of corrugated case with durable antibiotic performance |
| CN106065297B (en) * | 2016-08-05 | 2017-11-03 | 宝艺新材料股份有限公司 | A kind of corrugated case with durable antibiotic performance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102132709B (en) | 2013-06-05 |
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