CN104206418A - Preparation method and application of discoloration-preventing powdery silver-containing anti-bacterial agent - Google Patents
Preparation method and application of discoloration-preventing powdery silver-containing anti-bacterial agent Download PDFInfo
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Abstract
The invention discloses a preparation method of a discoloration-preventing powdery silver-containing anti-bacterial agent. The method includes following step of enabling a zinc salt exchange solution, or a copper salt exchange solution, to be exchanged in two times according to a sequence of a zinc salt or a copper salt, a silver salt, and a copper salt or a zinc salt for enabling a surface layer of a crystal lattice of a carrier to be covered by the zinc salt or the copper salt so that possibility of quick separation-out and discoloration of silver ion are reduced. The invention also discloses applications of the discoloration-preventing powdery silver-containing anti-bacterial agent in resin raw materials, cement, printing ink, paper pulp, paraffin, low-temperature ceramic, enamel, natural rubber, washing powder, softening agents, clean-keeping of water body and algae preventing.
Description
Technical field
The present invention relates to a kind of silver-containing antibacterial agent, particularly the preparation method and application of Anti-tarnishing powdery silver-containing antibacterial agent.
Background technology
From the last century the eighties, Japan and more domestic mechanisms afterwards, successively develop and produce silver-containing inorganic antibacterial (or claiming ag system antimicrobial agent), be applied to multiple industries such as plastics, make large quantities of unprecedentedly, there is the completely new product automatically killing the pathogenic microorganisms pressing down attachment product surface, receive extensive welcome.But, all there are some defects in the patent of invention proposed and technical method thereof both at home and abroad.Wherein, in antibacterial agent, silver ion meets light or heat variable color, causes the product employing antibacterial agent cannot present white or bright-coloured colour.After certain hour, antimicrobial product blackening, yellowing, lose commodity value; Also antibacterial functions is caused to be lost due to silver oxidation.This be silver-containing antibacterial agent restrict for many years its development the biggest problem, long-standing problem research staff and producer, become domestic and international colleague in many ways make an effort solve maximum problems.
Well-known: silver ion active is extremely strong, unstable (this be also it can the main cause of effective sterilization), under the condition of certain light and heat, silver ion easily free, stripping, oxidation, and easily and the organic matter such as mercapto, sulfo group, phenolic hydroxy react; Most silver compound all has temperature-sensitive, light sensitive characteristic, and after Ultraviolet radiation, silver ion can reduce, variable color.Water content as silver-containing antibacterial agent raw material carrier zeolite is how many, the size of particle, can affect the variable color of antibacterial agent equally.In zeolite, aluminum content also can cause its variable color; Silver ion and carrier zeolite carry out in ion exchange process, and it is relevant with the sodium ion exchange quantity in zeolite.Exchange ratio is larger, and the silver ion in zeolite is more, by zeolite lattice be coated to better, exposure fewer, the possibility of variable color is lower.If sodium ions content reaches 2-8% in zeolite, the chance of variable color can be greatly reduced.The acid-base value that antibacterial agent adds the ion exchange liquid in man-hour directly affects the exchange quantity of sodium ion.Exchange liquid few in exchange capacity time acid, during in alkalescence, exchange capacity is large, and the operation technique of the antibacterial agent made can left and right discoloration.Silver-containing antibacterial agent particle is little, and consumption is low, be uniformly dispersed, and also can reduce the possibility of material variable color to greatest extent, or substitute silver-containing antibacterial agent with the non-silver antibacterial agent of part, just can reduce variable color chance.
Here is for many years for solving the Part Methods tested by the colleague of this type of antibacterial agent variable color this area: as added nitric acid or slaked lime, ammonium nitrate (concentration=0.2-2.5M), ammoniacal liquor (about about 28%) etc. in exchange solution, by the pH value of the nitrate solution of exchange, by slant acidity, be adjusted to alkalescence, reducing variable color may.As will the antibacterial agent finished product be processed into be passed through, after reburning 1-5 processed hour with the high temperature of 300-1200 DEG C, grinding flour again.The not only unlikely variable color of antibacterial agent, adds and uses in various raw material, also not easy to change.Use during antibacterial agent and add various auxiliary agent.Auxiliary agent has: the coating antibacterial agents such as atoleine, Tissuemat E, stearic acid, calcium stearate, silicone oil ultra-violet absorber, stabilizing agent, antioxidant, oxalic acid, polyurethane, dimethyl siloxane, fluorinated acrylate are with Anti-tarnishing.As the variable color in order to prevent because of light reaction silver composition, by silver-colored composition and titanium and, zirconium combinationally uses.This is because titanium and zirconium etc. can play ultra-violet absorber effect, there is the effect preventing silver-colored composition variable color.
Above-mentioned Anti-tarnishing technology is multifarious, illustrates that the discoloration problem of silver-containing antibacterial agent perplexs many colleagues really, is also really difficult to use a certain method just can solve easily, and pin pain for the treatment of the head when the head aches often cures pin.Wherein a lot of method not only will add equipment, revises technique, improve cost.And this silver-containing antibacterial agent purposes is extremely extensive, often kind of raw material model is various, be difficult to understand fully that a kind of Anti-tarnishing additive can not produce more serious problem in the link such as production and processing, long-term storage, antibacterial agent is made to add more uncertain factor, in personal safety, antibacterial agent consumption etc., user is difficult to control.
Summary of the invention
The present invention in order to overcome above-mentioned technological deficiency, the present invention proposes that a kind of cost is low, technique simply, in use can the preparation method of the effective powdery silver-containing antibacterial agent of Anti-tarnishing.
The invention discloses a kind of preparation method of Anti-tarnishing powdery silver-containing antibacterial agent, comprise the steps:
(1) get the raw materials ready: prepare silver salt and zinc salt or mantoquita, the mol ratio of silver salt and zinc salt or mantoquita is 0.001-0.05:0.3-5;
(2) ion exchange liquid is equipped with: silver salt and zinc salt or mantoquita are added water respectively and be equipped to silver salt solution and zinc salt or copper salt solution, again silver salt solution is mixed with into ion exchange liquid with 1/2 zinc salt or copper salt solution, make silver salt solution concentration in ion exchange liquid be 0.001-0.05mol/L, zinc solution or copper salt solution concentration are 0.15-2.5mol/L;
(3) will support antibacterial metal ions carrier adds in ion exchange liquid, carries out first time ion exchange, and then Separation of Solid and Liquid obtains a filter cake;
(4) join in remaining zinc salt or copper salt solution by a filter cake, stir and carry out second time ion exchange, then Separation of Solid and Liquid obtains secondary filter cake;
(5) to secondary Washing of Filter Cake, Separation of Solid and Liquid obtains three filter cakes, and grinding, oven dry, make powder, obtain Anti-tarnishing powdery silver-containing antibacterial agent.
Silver salt to refer in silver nitrate, silver sulfate, silver chlorate any one or a few in described step (1), described zinc salt refers to one or more in zinc nitrate, zinc sulphate, zinc chloride, and described mantoquita refers to one or more in copper nitrate, copper sulphate, copper chloride.
The pH value of the silver salt solution be equipped with in described step (2) is stabilized in below 10 or 10 and mixes with part zinc solution, preferable ph is 8-10, specifically first add water silver salt storing certain hour, and the acid-base value of adjustable solution is to 8-10 effectively to avoid silver ion to meet phototropic.
Support in described step (3) that antibacterial metal ions carrier carried out heating, anhydrates before adding ion exchange liquid, dilatation process, to increase loading to greatest extent, relatively reduce supernatant silver ion, and then reduce the possibility of therefore variable color.Concrete treatment step can be utilize the drying plants such as drying baker, with 100-150 DEG C to its heating, or with 300-1200 DEG C of high-temperature firing, to remove water of crystallization wherein, or with the steam treated zeolite of 800 DEG C, making it dealuminzation, anhydrate, dilatation, as far as possible many metal ions can be guaranteed to support in support crystal lattice.
The above-mentioned antibacterial metal ions carrier that supports refers to silicon compound and alumino-silicate.Namely commercially available
artificial zeolite (metal ion maximum loading 7meq/g), X-type artificial zeolite (metal ion maximum loading 6.4meq/g), Y type artificial zeolite (metal ion maximum loading 5.0meq/g), T-shaped artificial zeolite (metal ion maximum loading 3.4meq/g), chabasie (metal ion maximum loading 5meq/g), modenite (the maximum loading 2.6meq/g of metal ion) or Type B silica gel, FNG silica gel etc.Wherein
artificial zeolite, from the quantity and rate of release of the aperture in support crystal lattice, carrying metal ion, all meets long acting antibiotic requirement.Be 30-70% as the silicon compound of carriers of metal ions and the mass concentration of alumino-silicate and zeolite, be preferably 40%-60%.
In described step (5), powder particle diameter is 0.1-10 μm.
Oxide powder and zinc is added in the Anti-tarnishing powdery silver-containing antibacterial agent that the present invention can also be prepared in step (5), the particle diameter of oxide powder and zinc is 0.1-10 μm, be preferably 0.1 μm, the addition of oxide powder and zinc is the 5-50% of powder quality, then will the two fully mixing.
In the method for the invention, suitably can increase swap time, make the sodium ion in carrier zeolite separate out in water to greatest extent, make the remaining quantity of the sodium ion of one of the reason of formation variable color in zeolite lower than less than 10%; The activity of abundant reduction silver ion in carrier, lowers the speed of its stripping, avoids too early, the too fast contact light and heat of silver ion and variable color.
The Anti-tarnishing powdery silver-containing antibacterial agent that the invention also discloses above-mentioned preparation is kept a public place clean at resin raw material, cement, printing-ink, paper pulp, paraffin, low-temp ceramics, enamel, natural rubber, washing powder, softener, water body, application in anti-algae.
Because Anti-tarnishing powdery silver-containing antibacterial agent pH of the present invention belongs to neutral, consumption is limited, and self particle is little, can be widely used in various raw material, the product made is possessed for a long time, automatically, effectively kills the function pressing down particle-bound bacteria, mould, algae and virus.Such as: in the resin raw materials such as plastics, fiber, adhesive, building materials, coating, powdery paints, artificial rubber, as the low density polyethylene (LDPE) (LDPE) in vistanex, high density polyethylene (HDPE) (HDPE), LLDPE (LLDPE), ethylene-vinyl acetate copolymer (EVA), polypropylene (PP); General purpose polystyrene (PS) in styrene resin, expanded polystyrene (EPS), the third stupid copolymer of rare nitrile-butadiene one (ABS), third rare nitrile-styrene copolymerized (AS); Polymethyl methacrylate Moulding powder in polyacrylate; Nylon 6 (MC) in polyamide, nylon66 fiber, nylon 1010; Gathering stupid dioctyl phthalate second diester (terylene, PET) in thermoplastic resin; Carboxymethyl cellulose (CMC) in polyvinyl formal (PVFO) in Pioloform, polyvinyl acetal, polyvinyl butyral resin (PVB), cellulose; Melamino-formaldehyde Moulding powder in amino resins; Bisphenol A type epoxy resin, novolac epoxy resin; Polyvinyl chloride (PVC); Polyurethane foam plastics; Furfuryl alcohol resin in furane resins; Organic siliconresin and Moulding powder.
Anti-tarnishing powdery silver-containing antibacterial agent of the present invention also can be used for cement, printing-ink, paper pulp, paraffin, low-temp ceramics (on glaze), enamel, natural rubber, washing powder, softener, water body are kept a public place clean, in anti-algae etc.
The using method of Anti-tarnishing powdery silver-containing antibacterial agent silver-containing antibacterial agent of the present invention has direct addition method and masterbatch method.The former is by the ratio of superfine powdery antibacterial agent in raw material gross weight 0.5-5%, after direct and raw material mixes, then adopts original processes to become antimicrobial product.A kind of raw material that namely this method can be used as product uses, and also by a certain in antibacterial agent and products material or severally can give mixed grinding, make it abundant affine rear use.Masterbatch method is mainly used in various resin.Antibacterial plastic concentrate can be produced according to professional standards such as China QB1648-92 polyethylene color masterbatch and QB1126-91 polyolefin packing materials.The carrier of antibacterial plastic concentrate should use melt index high, the resin that namely molecular weight is low.To solve the abundant scattering problem of antibacterial plastic concentrate in products material.Such as: the resin using melt index 60-70 when producing PP, PE antibacterial plastic concentrate.Other can select the raw material consistent with products material to produce antibacterial matrices.In antibacterial matrices, the concentration of antibacterial agent is 5-40%, is preferably 20%.Concrete grammar first with 50-100 DEG C, antibacterial agent is dried, dewatered; The support material of master batch and dispersant, coupling agent and antibacterial agent are fully mixed; Use dual-screw pelletizer granulation.The consumption of antibacterial matrices is the ratio accounting for raw material total amount 0.5-5% in antibacterial agent, in various resin, add antibacterial matrices.Injection moulding afterwards, to extrude.The technology such as blown film, melt spinning makes finished product.
The present invention also openly utilizes above-mentioned Anti-tarnishing powdery silver-containing antibacterial agent to apply in adhesive agent, described adhesive agent refers to can by various antibiotic preparation firmly and be attached on artificial leather, metal, plastics, wood furniture, ceramic sanitary appliance, cement, paper, natural fibre products matrix material for a long time, and the metal ion of energy delivery of antimicrobials, kill the pathogenic microorganisms pressing down attachment.
Described adhesive agent raw material is environmentally-friendly latex paint for interior walls, clean interior wall Polyester Paint, water-fast clean Polyester Paint, organic silicone finishing agent and antibacterial finishing agent.
Described organic silicone finishing agent is that active gene introduced by siloxanes side base, and the interpenetrating network copolymer synthesized with specific macromolecule performed polymer, described antibacterial finishing agent is the copolymer of carbimide and acrylic acid fat.
By Anti-tarnishing powdery silver-containing antibacterial agent by 1 ~ 3% mass ratio add in adhesive agent raw material.
Every new and old object (as artificial leather, metal, plastics, wood furniture, ceramic sanitary appliance, cement, paper, natural fibre products etc.) realizing antibacterial requirement that needs all can adopt the methods such as spraying or brushing, adhesive agent containing antibacterial agent is attached to object surface, form antibacterial film, at any time pathogenic bacteria are killed.As long as antibacterial film does not come off, just play antibacterial action, with relatively accomplishing " putting things right once and for all " antibacterial.And so-called object, both can be the new product just dispatched from the factory, can be again the old product used for many years, and after coating antibacterial film, object also can be repaired sth. old and made it as good as new.
Beneficial effect of the present invention is:
(1) antibacterial agent of the present invention is avoided only selecting silver salt traditionally, uses zinc salt or the mantoquita of normal concentration simultaneously, and zinc is also traditional brightening agent.Not only can reduce silver salt consumption, reduce costs, also can improve antibacterial effect to a certain extent, particularly antifungi effect; The present invention suitably can increase swap time, makes carrier such as the sodium ion in zeolite separate out in water to greatest extent, makes the remaining quantity of the sodium ion of one of the reason of formation variable color in zeolite lower than less than 10%; The activity of abundant reduction silver ion in carrier, lowers the speed of its stripping, avoids too early, the too fast contact light and heat of silver ion and variable color.
(2) zinc salt or mantoquita are exchanged liquid and be divided into twice exchange, exchange by zinc salt or mantoquita, silver salt, zinc salt or mantoquita order, make support crystal lattice top layer by zinc salt or mantoquita covering, reduction silver ion is separated out fast, the possibility of variable color.
(3) the Anti-tarnishing technology of silver-containing antibacterial agent of the present invention, change and be used alone the tradition that silver compound does antibacterial agent raw material, auxiliary agent miscellaneous need not be added and carry out Anti-tarnishing, only in antibacterial agent process, utilize that raw material is selected, the technical method simply and easily such as the pretreatment of raw material, work flow and order change, and the increase of antibacterial agent when using has the zinc oxide of antibacterial functions, avoiding antibacterial agent itself, the antimicrobial finish made processing to greatest extent, store, generation variable color when using.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.
Embodiment 1:
(1) get the raw materials ready: prepare silver nitrate and zinc nitrate, its mol ratio is 0.01:0.3;
(2) ion exchange liquid is equipped with: silver nitrate and zinc nitrate are added water respectively and be equipped to solution, again silver salt solution is mixed with into ion exchange liquid with 1/2 zinc nitrate solution, make liquor argenti nitratis ophthalmicus concentration in ion exchange liquid be 0.01mol/L, zinc nitrate solution concentration is 0.15mol/L;
(3) will
artificial zeolite heats, anhydrate, add in ion exchange liquid after dilatation process, carries out first time ion exchange,
the mass ratio of artificial zeolite and ion exchange liquid is 50%, and then Separation of Solid and Liquid obtains a filter cake;
(4) join in remaining zinc nitrate solution by a filter cake, stir and carry out second time ion exchange, then Separation of Solid and Liquid obtains secondary filter cake;
(5) to secondary Washing of Filter Cake, Separation of Solid and Liquid obtains three filter cakes, and grinding, oven dry, make powder, obtain Anti-tarnishing powdery silver-containing antibacterial agent.
Embodiment 2:
(1) get the raw materials ready: prepare silver nitrate and copper nitrate, its mol ratio is 0.05:2;
(2) ion exchange liquid is equipped with: silver nitrate and copper nitrate are added water respectively and be equipped to solution, again liquor argenti nitratis ophthalmicus is mixed with into ion exchange liquid with 1/2 copper nitrate solution, make liquor argenti nitratis ophthalmicus concentration in ion exchange liquid be 0.05mol/L, copper nitrate solution concentration is 1mol/L;
(3) by Type B silica gel heating, anhydrate, add in ion exchange liquid after dilatation process, carry out first time ion exchange, the mass ratio of Type B silica gel and ion exchange liquid is 60%, and then Separation of Solid and Liquid obtains a filter cake;
(4) join in remaining copper nitrate solution by a filter cake, stir and carry out second time ion exchange, then Separation of Solid and Liquid obtains secondary filter cake;
(5) to secondary Washing of Filter Cake, Separation of Solid and Liquid obtains three filter cakes, and grinding, oven dry, make powder.
(6)) in Anti-tarnishing powdery silver-containing antibacterial agent, add oxide powder and zinc, the addition of oxide powder and zinc is 20% of powder quality, then the two is fully mixed, and obtains Anti-tarnishing powdery silver-containing antibacterial agent.
Embodiment 3:
First PE antibacterial matrices is prepared.Primary raw material: PE 25Kg (LDPE of melt index 60 ~ 70).
Auxiliary material: dispersant (stearic acid) 2Kg; Coupling agent 350g; The silver-containing antibacterial agent of embodiment 1: 6Kg, first dries 8-24 hour (for subsequent use) with 100-300 DEG C, is convenient to dispersion to remove moisture.
Specific practice: after being mixed by above-mentioned various composition, uses dual-screw pelletizer to bleed granulation.Reference colored masterbatch, filling master batch processing criterion and method perform.
Get antibacterial matrices 10kg, commercially available white female 0.5kg, PE85kg.After drying respectively, traditional equipment and method is adopted to produce antibiotic chopping block.
5 × 10 are got by " disinfection technology standard "
6-5 × 10
7bacterium liquid 0.5ml, drips respectively after the following different time of antibiotic chopping block effect, dips sterilizing PBS with disinfecting cotton swab, and is washed down respectively by the bacterium liquid on dish, put into 10ml sterilizing PBS, do different dilution, get 1ml, cultivate after 48 hours at 37 DEG C, do viable bacteria test, result:
| ? | Viable bacteria contrasts | 7 hours antibacterial numbers | 24 hours antibacterial numbers |
| Escherichia coli | 6.2×10 6 | 74.55％ | 99.96％ |
| Staphylococcus aureus | 6.2×10 6 | 68.89％ | 99.87％ |
Embodiment 4:
Prepare antibacterial glaze.Get the silver-containing antibacterial agent of the embodiment 2 of glaze slip total amount 2%, add in the glaze slip after dilution, fully mix.Traditionally rest, sintering on porcelain dish, make anti-bacteria ceramic service plate.
5 × 10 are got by " disinfection technology standard "
6-5 × 10
7bacterium liquid 0.5ml, drips respectively on anti-bacteria ceramic service plate, after acting on following different time, dips sterilizing PBS with disinfecting cotton swab, and the bacterium liquid on dish is washed down respectively, put into 10ml sterilizing PBS, do different dilution, get 1ml, cultivate after 48 hours at 37 DEG C, do viable bacteria test, result is as follows:
| ? | Viable bacteria contrasts | 7 hours antibacterial numbers | 24 hours antibacterial numbers |
| Escherichia coli | 6.2×10 6 | 80.21％ | 99.93％ |
| Staphylococcus aureus | 6.2×10 6 | 77.20％ | 99.81％ |
Embodiment 5:
Polymerization of epoxy resins is used to react the Polyester Paint of one pack system or the bi-component made.This paint is wear-resisting, water resistance good, in Polyester Paint, adds the antibacterial agent of embodiment 1, more traditionally produce the Polyester Paint with antibacterial functions by 2% of paint vehicle final products consumption.The concrete coating process of this Polyester Paint is very simple.No matter new product or old product, should make object surface smooth, moisture content≤10%, remove surface dust etc.If metal then should do processing of rust removing.Before brushing, resin agitating is even, takes the circumstances into consideration, with thinner dilution, to make it easy to brushing.Above-mentioned various new product or with old product spray once or twice, roller coating or brushing, natural seasoning.
But testing result shows, the above-mentioned new and old goods through the processing of post processing brushing technology, is not only provided with excellent killing the function of attachment pathogenic bacteria, and old product are repaired sth. old and made it as good as new.Some cannot adopt raw material addition manner to realize the natural product of antibacterialization in the past, also can complete antibacterialization simply.With front because of high cost, antibacterial disposable product cannot be realized, also can realize antibacterialization by extremely low cost, simple method.
Therefore, every new and old object (as artificial leather, metal, plastics, wood furniture, ceramic sanitary appliance, cement, paper, natural fibre products etc.) realizing antibacterial requirement that needs all can adopt the methods such as spraying or brushing, adhesive agent containing antibacterial agent is attached to object surface, form antibacterial film, at any time pathogenic bacteria are killed.As long as antibacterial film does not come off, just play antibacterial action, with relatively accomplishing " putting things right once and for all " antibacterial.And so-called object, both can be the new product just dispatched from the factory, can be again the old product used for many years, and after coating antibacterial film, object also can be repaired sth. old and made it as good as new.
In sum; although the specific embodiment of the present invention is to invention has been detailed description; but persons skilled in the art should be understood that; above-described embodiment is only the description to the preferred embodiments of the present invention; but not limiting the scope of the invention; persons skilled in the art are in the technical scope disclosed by the present invention, and the change that can expect easily, all within protection scope of the present invention.
Claims (14)
1. a preparation method for Anti-tarnishing powdery silver-containing antibacterial agent, is characterized in that comprising the steps:
(1) get the raw materials ready: prepare silver salt and zinc salt or mantoquita, the mol ratio of silver salt and zinc salt or mantoquita is 0.001-0.05:0.3-5;
(2) ion exchange liquid is equipped with: silver salt and zinc salt or mantoquita are added water respectively and be equipped to silver salt solution and zinc salt or copper salt solution, again silver salt solution is mixed with into ion exchange liquid with 1/2 zinc salt or copper salt solution, make silver salt solution concentration in ion exchange liquid be 0.001-0.05mol/L, zinc solution or copper salt solution concentration are 0.15-2.5mol/L;
(3) will support antibacterial metal ions carrier adds in ion exchange liquid, carries out first time ion exchange, and then Separation of Solid and Liquid obtains a filter cake;
(4) join in remaining zinc salt or copper salt solution by a filter cake, stir and carry out second time ion exchange, then Separation of Solid and Liquid obtains secondary filter cake;
(5) to secondary Washing of Filter Cake, Separation of Solid and Liquid obtains three filter cakes, and grinding, oven dry, make powder, obtain Anti-tarnishing powdery silver-containing antibacterial agent.
2. the preparation method of Anti-tarnishing powdery silver-containing antibacterial agent as claimed in claim 1, it is characterized in that: silver salt to refer in silver nitrate, silver sulfate, silver chlorate any one or a few in described step (1), described zinc salt refers to one or more in zinc nitrate, zinc sulphate, zinc chloride, and described mantoquita refers to one or more in copper nitrate, copper sulphate, copper chloride.
3. the preparation method of Anti-tarnishing powdery silver-containing antibacterial agent as claimed in claim 1, is characterized in that: the pH value of the silver salt solution be equipped with in described step (2) is stabilized in below 10 or 10 and mixes with zinc salt or copper salt solution.
4. the preparation method of Anti-tarnishing powdery silver-containing antibacterial agent as claimed in claim 3, is characterized in that: the pH value of the silver salt solution be equipped with in described step (2) is stabilized in 8-10 and mixes with zinc salt or copper salt solution.
5. the preparation method of Anti-tarnishing powdery silver-containing antibacterial agent as claimed in claim 1, is characterized in that: support in described step (3) that antibacterial metal ions carrier carried out heating, anhydrates before adding ion exchange liquid, dilatation process.
6. the preparation method of Anti-tarnishing powdery silver-containing antibacterial agent as claimed in claim 1, is characterized in that: supporting antibacterial metal ions carrier in described step (3) is any one or a few mixture in silicon compound, alumino-silicate.
7. the preparation method of Anti-tarnishing powdery silver-containing antibacterial agent as claimed in claim 1, is characterized in that: described in support antibacterial metal ions carrier and be
one or more mixtures in artificial zeolite, X-type artificial zeolite, Y type artificial zeolite, T-shaped artificial zeolite, chabasie, modenite, Type B silica gel, FNG silica gel.
8. the preparation method of Anti-tarnishing powdery silver-containing antibacterial agent as claimed in claim 1, is characterized in that: in described step (5), powder particle diameter is 0.1-10 μm.
9. the preparation method of Anti-tarnishing powdery silver-containing antibacterial agent as claimed in claim 1, it is characterized in that: in Anti-tarnishing powdery silver-containing antibacterial agent step (5) prepared, add oxide powder and zinc, the addition of oxide powder and zinc is the 5-50% of powder quality, then will the two fully mixing.
10. the Anti-tarnishing powdery silver-containing antibacterial agent utilizing claim 1-9 any one to prepare is kept a public place clean at resin raw material, cement, printing-ink, paper pulp, paraffin, low-temp ceramics, enamel, natural rubber, washing powder, softener, water body, application in anti-algae.
The 11. Anti-tarnishing powdery silver-containing antibacterial agents utilizing claim 1-9 any one to prepare are applied in adhesive agent, described adhesive agent refers to can by various antibiotic preparation firmly and be attached on artificial leather, metal, plastics, wood furniture, ceramic sanitary appliance, cement, paper, natural fibre products matrix material for a long time, and the metal ion of energy delivery of antimicrobials, kill the pathogenic microorganisms pressing down attachment.
12. apply as claimed in claim 11, it is characterized in that: described adhesive agent raw material is environmentally-friendly latex paint for interior walls, clean interior wall Polyester Paint, water-fast clean Polyester Paint, organic silicone finishing agent and antibacterial finishing agent.
13. apply as claimed in claim 12, it is characterized in that: described organic silicone finishing agent is that active gene introduced by siloxanes side base, the interpenetrating network copolymer synthesized with specific macromolecule performed polymer, described antibacterial finishing agent is the copolymer of carbimide and acrylic acid fat.
14. utilize the application described in claim 11, it is characterized in that: by Anti-tarnishing powdery silver-containing antibacterial agent by 1 ~ 3% mass ratio add in adhesive agent raw material.
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| CN106366442A (en) * | 2016-08-31 | 2017-02-01 | 孟玲 | Antibacterial resin based on ultraviolet light absorption |
| CN106393013A (en) * | 2016-08-31 | 2017-02-15 | 孟玲 | Medical antibacterial workbench |
| CN106400990A (en) * | 2016-08-31 | 2017-02-15 | 孟玲 | Fireproof heat insulation board |
| CN106479042A (en) * | 2016-08-31 | 2017-03-08 | 孟玲 | A kind of air conditioner housing |
| CN109735154A (en) * | 2018-12-21 | 2019-05-10 | 天津西敦粉漆科技有限公司 | A kind of long-acting antibiotic agent, long-acting antibiotic agent with prompt effect and preparation method thereof |
| CN109735154B (en) * | 2018-12-21 | 2021-08-27 | 天津西敦粉漆科技有限公司 | Long-acting antibacterial agent, long-acting antibacterial agent with immediate effect and preparation method thereof |
| CN111548010A (en) * | 2020-05-06 | 2020-08-18 | 佛山科学技术学院 | Antibacterial aromatic ceramic glaze |
| CN111690352A (en) * | 2020-07-23 | 2020-09-22 | 佛山南宝高盛高新材料有限公司 | Antibacterial hot melt adhesive for sanitary products and medical treatment compounding and preparation method thereof |
| CN111944215A (en) * | 2020-09-09 | 2020-11-17 | 河北九度橡胶科技有限公司 | Rubber antibacterial chopping board and preparation method thereof |
| WO2022268122A1 (en) * | 2021-06-23 | 2022-12-29 | 新和兴业股份有限公司 | Organic-inorganic mixture for preventing copper or silver oxidation, manufacturing method therefor, and application thereof |
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