CN106905543A - A kind of preparation method of nano silver gel fluorescent solutions - Google Patents
A kind of preparation method of nano silver gel fluorescent solutions Download PDFInfo
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- CN106905543A CN106905543A CN201710154332.9A CN201710154332A CN106905543A CN 106905543 A CN106905543 A CN 106905543A CN 201710154332 A CN201710154332 A CN 201710154332A CN 106905543 A CN106905543 A CN 106905543A
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- nano silver
- fluorescent solutions
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- gel fluorescent
- polyacrylamide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
- C08J3/075—Macromolecular gels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/58—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing copper, silver or gold
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2333/24—Homopolymers or copolymers of amides or imides
- C08J2333/26—Homopolymers or copolymers of acrylamide or methacrylamide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Abstract
The invention discloses a kind of preparation method of nano silver gel fluorescent solutions, polyacrylamide solution and silver nitrate solution are mixed, ultra violet lamp is reacted under dark surrounds, obtains nano silver gel fluorescent solutions.The present invention is template with PAMA prepares nano silver gel fluorescent solutions, and polyacrylamide itself carries amino and carboxyl, with weak reproducibility, it is not necessary to extraly add reducing agent and stabilizer；The polyacrylamide amine molecule of macromolecule occupies very big space in aqueous, absorption Ag that can be tightly+And prevent it from reuniting, therefore stabilization, the nano-Ag particles of uniform particle diameter can be formed.
Description
Technical field
The invention belongs to technical field of material, and in particular to a kind of preparation method of nano silver gel fluorescent solutions.
Background technology
It is social fast-developing at this stage, economizing on resources, the energy and environmental protection turn into the emphasis in this epoch.Receive
Rice material receives the favor of people as a kind of new material, and nanoscale science and technology turns into the also leading skill as this century
Art.On the other hand, most of metal ion can suppress the activity of bacterium, remove harmful heavy metal ion, silver
The bactericidal action of grain is most strong, and current most study is the antiseptic containing Argent grain.Therefore, nano silver material becomes everybody and grinds
The focus studied carefully.
The small-size effect and skin effect of nano-Ag particles are notable, with very strong penetration power and antibacterial activity.Its
The aspects such as security, antibiotic property, persistence, heat resistance have advantage, therefore obtain extensive in biological medicine, anti-biotic material
Using.At present, the preparation of Nano Silver is broadly divided into Physical and chemical method：Physical needs to use laser, electron beam irradiation etc.
Method, the Nano Silver grain size that it is prepared is more uniform, but technical sophistication, equipment requirement are high；Chemical method be by reduce silver from
Son obtains Nano Silver, and its simple to operate, cost is relatively low, but particle diameter is not easily controlled, and the nano-Ag particles of synthesis are unstable, easy group
It is poly-.
In research field, mostly the comparing of Nano Silver preparation is chemical reduction method, and it mainly includes：Brust-
Schiffrin methods, template, surface ligand induced corrosion method, microemulsion method, electrochemical process and Microwave-assisted synthesis method.These
Method is required for adding certain reducing agent and stabilizer, and most reagent is all toxic.
The content of the invention
It is an object of the invention to provide a kind of preparation method of nano silver gel fluorescent solutions, the material non-toxic and without
Extraly add reducing agent and stabilizer.
The technical solution adopted in the present invention is, a kind of preparation method of nano silver gel fluorescent solutions, by polyacrylamide
Amine aqueous solution and silver nitrate solution mix, and ultra violet lamp is reacted under dark surrounds, obtains nano silver gel fluorescence molten
Liquid.
The features of the present invention is also resided in,
Polyacrylamide solution is 500 with the volume ratio of silver nitrate solution:3-100:1.
The concentration of polyacrylamide solution is 0.3-0.55g/ml.
The concentration of silver nitrate solution is 0.1mol/L.
Wavelength is 365nm during ultra violet lamp, and irradiation time is 20min-30min.
The beneficial effects of the invention are as follows the present invention is solidifying to prepare Nano Silver for template with PAMA (APAM)
Glue fluorescent solutions, polyacrylamide itself carries amino and carboxyl, with weak reproducibility, it is not necessary to extraly add reducing agent
And stabilizer.The polyacrylamide amine molecule of macromolecule occupies very big space in aqueous, absorption Ag that can be tightly+And
Prevent it from reuniting, therefore stabilization, the nano-Ag particles of uniform particle diameter can be formed.Polyacrylamide is non-toxic in itself, more ring
Protect.In addition, easy to operate, the easy realization of the present invention, low cost, speed are fast.
Brief description of the drawings
Fig. 1 is the uv absorption spectra of the nano silver gel fluorescent solutions that the embodiment of the present invention 1 is prepared；
Fig. 2 is the fluorescence spectra of the nano silver gel fluorescent solutions that the embodiment of the present invention 1 is prepared；
Fig. 3 is the transmission electron microscope figure of the nano silver gel fluorescent solutions that the embodiment of the present invention 1 is prepared.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
The preparation method of nano silver gel fluorescent solutions of the present invention, is that 0.3-0.55g/ml polyacrylamides are water-soluble by concentration
Liquid and concentration are the mixing of 0.1mol/L silver nitrate solutiones, and its polyacrylamide solution is 500 with the volume ratio of silver nitrate solution:
3-100:1,20min-30min is being reacted with the ultra violet lamp that wavelength is 365nm under dark surrounds, obtain nano silver gel
Fluorescent solutions.
Embodiment 1
Weigh the polyacrylamide that quality is 0.3g to be dissolved in 100ml deionized waters, make its complete under magnetic stirring
Dissolving.After polyacrylamide is completely dissolved, it is the silver nitrate solution of 0.1mol/L to add 600 μ l concentration, is placed it in completely
Under dark environment and with the ultra violet lamp that wavelength is 365nm, it is allowed in the condition that stir speed (S.S.) is 750r/min and 35 DEG C
Under react completely, reaction observes its solution state when carrying out 30min or so, if solution becomes pink, reaction terminates, receives
Rice silver gel fluorescent solutions are successfully prepared.
The nano silver gel fluorescent solutions of preparation are carried out into ultra-violet absorption spectrum, fluorescence spectrum and transmission electron microscope etc.
Test, its ultra-violet absorption spectrum is at 400-600nm as shown in figure 1, there is obvious absworption peak, it was demonstrated that nano-Ag particles
Successful synthesis.Fig. 2 is the fluorescence spectra of nano silver gel, when its excitation spectrum is 500nm, at 400nm and 470nm
There is fluorescence spectrum respectively, this further demonstrates the formation of nano-Ag particles.Fig. 3 is the transmission electron microscope of synthesizing nano-silver gel
Figure, the figure reflects the pattern of the nano-Ag particles of synthesis, and its particle diameter is about 6.83nm, is distributed more uniform.
Embodiment 2
Specific experiment step such as embodiment 1, wherein polyacrylamide are 0.40g.The result and reality of its ultra-violet absorption spectrum
Apply the basic indifference of example 1；Intensity of the fluorescence intensity all than embodiment 1 at 400nm and 470nm is high；Transmission electron microscope picture and implementation
It is more uniform that example 1 compares particle distribution.
Embodiment 3
Specific experiment step such as embodiment 1, wherein polyacrylamide are 0.50g.The result of its ultra-violet absorption spectrum is than real
The peak for applying example 1 is slightly lower；Fluorescence intensity of the fluorescence intensity all than embodiment 1, embodiment 2 at 400nm and 470nm is high；Transmission electricity
In mirror figure, its ion size is slightly smaller than embodiment 1 and embodiment 2.
Embodiment 4
Specific experiment step such as embodiment 1, wherein polyacrylamide are 0.55g.The result of its ultra-violet absorption spectrum is than real
Apply example 1 peak is low and peak spectrum is narrow；Intensity of the fluorescence intensity all than embodiment 1 at 400nm and 470nm is high, but than embodiment 2,
The low intensity of embodiment 3；In transmission electron microscope picture, its ion size is obvious with embodiment 1 and embodiment 2 to be become big and is distributed not
Uniformly.
Claims (5)
1. a kind of preparation method of nano silver gel fluorescent solutions, it is characterised in that by polyacrylamide solution and silver nitrate
Solution mixes, and ultra violet lamp is reacted under dark surrounds, obtains nano silver gel fluorescent solutions.
2. the preparation method of nano silver gel fluorescent solutions according to claim 1, it is characterised in that polyacrylamide aqueous amine
Solution is 500 with the volume ratio of silver nitrate solution:3-100:1.
3. the preparation method of nano silver gel fluorescent solutions according to claim 1 and 2, it is characterised in that polyacrylamide
The concentration of amine aqueous solution is 0.3-0.55g/ml.
4. the preparation method of nano silver gel fluorescent solutions according to claim 1 and 2, it is characterised in that silver nitrate is molten
The concentration of liquid is 0.1mol/L.
5. the preparation method of nano silver gel fluorescent solutions according to claim 1, it is characterised in that during ultra violet lamp
Wavelength is 365nm, and irradiation time is 20min-30min.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1509206A (en) * | 2001-04-30 | 2004-06-30 | ѧУ��������Ī˹�ƴ�ѧУ | Colloid solution of metal nanoparticles, metal-polymer nanocompositions and method for preparation thereof |
| CN104646683A (en) * | 2015-02-28 | 2015-05-27 | 湖南汇通科技有限责任公司 | Spherical silver powder with controllable granularity and preparation method thereof |
| CN104815990A (en) * | 2015-04-20 | 2015-08-05 | 西安理工大学 | Method for preparing nanometer sliver colloid with liquid phase reduction method |
-
2017
- 2017-03-15 CN CN201710154332.9A patent/CN106905543B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1509206A (en) * | 2001-04-30 | 2004-06-30 | ѧУ��������Ī˹�ƴ�ѧУ | Colloid solution of metal nanoparticles, metal-polymer nanocompositions and method for preparation thereof |
| CN104646683A (en) * | 2015-02-28 | 2015-05-27 | 湖南汇通科技有限责任公司 | Spherical silver powder with controllable granularity and preparation method thereof |
| CN104815990A (en) * | 2015-04-20 | 2015-08-05 | 西安理工大学 | Method for preparing nanometer sliver colloid with liquid phase reduction method |
Non-Patent Citations (2)
| Title |
|---|
| 王立英: ""贵金属-聚合物复合纳米材料的制备、表征及其光学性质的研究"", 《万方学位论文数据库》 * |
| 覃爱苗等: ""聚丙烯酰胺存在下微波高压合成银纳米粒子及其光谱特性"", 《分析化学研究简报》 * |
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