CN103828840A - Antibacterial powder and preparation method thereof - Google Patents
Antibacterial powder and preparation method thereof Download PDFInfo
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- CN103828840A CN103828840A CN201210477160.6A CN201210477160A CN103828840A CN 103828840 A CN103828840 A CN 103828840A CN 201210477160 A CN201210477160 A CN 201210477160A CN 103828840 A CN103828840 A CN 103828840A
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Abstract
The invention provides an antibacterial powder and a preparation method thereof, and solves the problems of toxic and side effects, existence of application taboos, single function, narrow application, short period of validity, unsuitability for storage and poor performance in antibacterial powder of the prior art. The antibacterial powder mainly includes the following components by weight: 98-99 parts of a porous catalyst, 0.002-5 parts of nano-silver, 30-300 parts of a solvent, and 0.005-2 parts of a pH regulator. The invention also provides a preparation method of the antibacterial powder. The antibacterial powder provided by the invention does not contain any drug or toxic substance, has no application taboo, has an expanded application range and expanded application groups, and can be applied directly to a wound surface. Also, the effect is more obvious, the preparation raw materials and the preparation method are environment friendly and pollution free.
Description
Technical field
The present invention relates to public health, biomedical materials field, refer to especially a kind of antibacterial powder and preparation method thereof.
Background technology
As everyone knows, noxious bacteria is human disease and unhealthful key factor.Therefore, how to eliminate and to suppress noxious bacteria, be found from bacterium since one of the emphasis of various countries' scientists study.Along with scientific and technical development, various anti-biotic materials emerge in an endless stream, and substantially can be divided into inorganic antiseptic and organic antibacterial agent, and traditional inorganic antiseptic is mostly poisonous or be corrosive, and has limited the use of inorganic antiseptic.Organic antibacterial agent because of its efficiently fast sterilization idiocratic obtain market favor, in the industries such as food production, medical environment, cultivation, use in a large number.But, along with improving constantly of people's living standard, also more and more higher to healthy degree of concern, green and environmental protection becomes focus, recognize that a large amount of use organic antibacterial agents have certain negative effect to human body and environment, its consumption starts to be restricted: simultaneously, market constantly expands the demand field of anti-biotic material, the products such as fiber, plastics, pottery, glass, coating, rubber have been proposed to antibacterial requirement, organic antibacterial agent, because of himself feature poor chemical stability, poor heat resistance, can not meet market demands.Therefore mainly there is following shortcoming in existing antibacterial powder:
1, substantially all contain the compound to human body toxic side effect or contain hormone or the composition containing medicine, there is spread effect, easily there is heavy metal poisoning or carcinogenic in long-term use, human body is produced to potential hazard, especially cannot ensure for the healthy and safe of pregnant woman and infant.
2, generally there is the forbidding of the wound faces such as the scabies useless fellow bubble ulcer of breaking for chafing, erosion and allergic constitution, have application taboo.
3, function singleness, application surface is narrow.
4, the term of validity is shorter, loses and cannot continue to use because preserving improper or long-term storage part effect.
5, the poor-performing such as adsorption capacity, slow-release function, Durability of antimicrobial effect or substantially do not have.
Summary of the invention
The present invention proposes a kind of antibacterial powder and preparation method thereof, has solved antibacterial powder toxic side effect in prior art, has application taboo, function singleness, application surface is narrow, the term of validity is shorter, should not preserve, the problem of poor-performing.
Technical scheme of the present invention is achieved in that
A kind of antibacterial powder, mainly comprises the component of following weight content: porous catalyst 98～99 weight portions, Nano Silver 0.002～5 weight portion, solvent 30～300 weight portions, PH conditioning agent 0.005～2 weight portion.
Preferably, described porous catalyst be in silica, titanium dioxide, rare earth any one or multiple.
Preferably, described solvent be in deionized water, alcohols solvent any one or multiple.
Preferably, described alcohols solvent be in methyl alcohol, ethanol, normal propyl alcohol, n-butanol any one or multiple.
Preferably, described PH conditioning agent be in nitric acid, hydrochloric acid, phosphoric acid, ammoniacal liquor, salicylic acid any one or multiple.
A kind of preparation method of described antibacterial powder, comprises the following steps:
Nano Silver is added and in solvent, is mixed and made into Nano Silver mixture;
Described Nano Silver mixture is evenly added in porous catalyst, and to control temperature be that 30～40 DEG C, pH value are 5.0～6.0, keep carrying out for 1～12 hour modification;
Nano Silver mixture after described modification is obtained to antibacterial powder in pre-conditioned lower oven dry crushing and classification.
Further, in a specific embodiment of the present invention, the step that the Nano Silver mixture after described modification is obtained to antibacterial powder at pre-conditioned lower oven dry crushing and classification is specially:
Nano Silver mixture after described modification is filtered;
Be to dry 1～9 hour under 180～400 DEG C of conditions the Nano Silver mixture after described filtration in temperature, crushing and classification obtains antibacterial powder.
Further, in a specific embodiment of the present invention, the step that the Nano Silver mixture after described modification is obtained to antibacterial powder at pre-conditioned lower oven dry crushing and classification can also be specifically:
Be 180～400 DEG C conditions under to dry by the making beating air drier of spraying in temperature by the Nano Silver mixture after described modification, and obtain antibacterial powder by classification collector crushing and classification.
The another kind of preparation method of described antibacterial powder, comprises the following steps:
Nano Silver is added and in solvent, is mixed and made into Nano Silver mixture;
The porous catalyst that is 25%～35% by distilled water or the deionized water rate of prewetting stirs and is warming up to 50～80 DEG C;
In porous catalyst after described intensification, add the described Nano Silver mixture under pre-conditioned, until the porous catalyst water content after described intensification approaches saturated;
In the mixture of described Nano Silver mixture and described porous catalyst, add described PH conditioning agent, the pH value that regulates described mixture is 5.0～6.0, dries 1～12 hour under the temperature environment of 110～200 DEG C, obtains antibacterial powder.
Further, in described porous catalyst after described intensification, add the described Nano Silver mixture under pre-conditioned, approach and stop when saturated adding the step of described Nano Silver mixture under pre-conditioned to be specially to the porous catalyst water content after described intensification:
In porous catalyst after described intensification, spraying adds that pH value is 6.0～7.0, temperature is the Nano Silver mixture of 10～20 DEG C, until the porous catalyst water content after described intensification approaches saturated.
Beneficial effect of the present invention is:
1, containing any medicine and noxious material, there is not application taboo in antibacterial powder of the present invention, expanded range of application and application group, can directly use at wound face, and effect is more remarkable simultaneously, and raw materials and preparation method environment friendly and pollution-free.
2, antibacterial powder collection of the present invention is antipruritic, sweat disappears, deodorizing, the functions such as Antifungi are integrated, directly use imbibition skin toner at wound face, antibacterial, analgesia, hemostasis, antipruritic, the effects such as deodorizing, promote the advantage of wound surface quickly-healing, to ephidrosis, the dark and damp itch of skin or privacy places, " athlete's foot ", scabies useless fellow bubble ulcer etc. are inhibited, convergence and prevent and treat function, to hepatitis type B virus, AIDS virus has fast, good deactivation Disinfection Effect, long-term this antibacterial powder that uses has certain inhibition and healing effect to onychomycosis, and this antibacterial powder uses simple, easy to carry, be suitable for colony extensive, can suppress and prevent public's cross-infection, simultaneously without numerous and diverse medical examination and approval procedures.
3, antibacterial powder of the present invention needs dry environment to preserve, even but make moist, also can not go mouldy, reproducible utilization after drying, performance and effect are constant, can use indefinite duration.
4, antibacterial powder employing porous catalyst of the present invention is carrier, carrier has the characteristic that aperture is large, specific surface area is high, adsorption capacity is superpower, do not react with any organic matter, Nano Silver wherein has superpower sterilization antibacterial ability, and Nano Silver is attracted in hole using porous catalyst as carrier, but not adhere to its surface, this combination makes antimicrobial factors possess effective slow-release function, thereby effectively improve and extended antibiotic and sterilizing ability, performance performance lasting stability.
5, antibacterial powder of the present invention has function and the advantages such as high temperature resistant, stable chemical nature, safety, antibacterial broad spectrum durable because of it, not only can be used in cosmetics of everyday use, also can be used as special functional material, its application is more extensive, can be used for the numerous areas such as such as high-grade paint, pottery, plastics, rubber, food, electronics, agricultural, weaving, biological medicine, hygienic environment-protecting, Aero-Space.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the preparation method's of a kind of antibacterial powder of the present invention flow chart of steps;
Fig. 2 is another preparation method's of a kind of antibacterial powder of the present invention flow chart of steps.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The antibacterial powder of one of the present invention, mainly comprises the component of following weight content: porous catalyst 98～99 weight portions, Nano Silver 0.002～5 weight portion, solvent 30～300 weight portions, PH conditioning agent 0.005～2 weight portion.
Adopt the mode of embodiment to be explained in further detail antibacterial powder of the present invention below:
Embodiment 1:
Porous catalyst 98 weight portions, Nano Silver 0.002 weight portion, solvent 30 weight portions, PH conditioning agent 0.005 weight portion.
Embodiment 2:
Porous catalyst 98.5 weight portions, Nano Silver 2.5 weight portions, solvent 180 weight portions, PH conditioning agent 1 weight portion.
Embodiment 3:
Porous catalyst 99 weight portions, Nano Silver 5 weight portions, solvent 300 weight portions, PH conditioning agent 2 weight portions.
In the above-described embodiments:
Wherein, Nano Silver can be atom type, can be also ionic.
Wherein, preferably, described porous catalyst be in silica, titanium dioxide, rare earth any one or multiple.
Wherein, preferably, described solvent be in deionized water, alcohols solvent any one or multiple.Certainly, described solvent can also be other kind of kind solvent.Such as esters solvents etc., the present invention does not limit this.
Wherein, preferably, described alcohols solvent be in methyl alcohol, ethanol, normal propyl alcohol, n-butanol any one or multiple.Certainly, alcohols solvent can also be other alcohols, and the present invention does not limit this.
Wherein, preferably, described PH conditioning agent be in nitric acid, hydrochloric acid, phosphoric acid, ammoniacal liquor, salicylic acid any one or multiple.Certainly, PH conditioning agent can also be other kind, as long as can realize the function that regulates PH, the present invention does not limit this.
As shown in Figure 1, the invention provides a kind of preparation method of described antibacterial powder, comprise the following steps:
Nano Silver is added and in solvent, is mixed and made into Nano Silver mixture;
Described Nano Silver mixture is evenly added in porous catalyst, and to control temperature be that 30～40 DEG C, pH value are 5.0～6.0, keep carrying out for 1～12 hour modification;
Nano Silver mixture after described modification is obtained to antibacterial powder in pre-conditioned lower oven dry crushing and classification.
In this preparation method's a embodiment, the step that the Nano Silver mixture after described modification is obtained to antibacterial powder at pre-conditioned lower oven dry crushing and classification is specially:
Nano Silver mixture after described modification is filtered;
Be to dry 1～9 hour under 180～400 DEG C of conditions the Nano Silver mixture after described filtration in temperature, crushing and classification obtains antibacterial powder.
Wherein, the filtrate after the Nano Silver mixture after described modification is filtered can be recycled, and has further reduced production cost.
In another embodiment of this preparation method, the step that the Nano Silver mixture after described modification is obtained to antibacterial powder at pre-conditioned lower oven dry crushing and classification is specially:
Be 180～400 DEG C conditions under to dry by the making beating air drier of spraying in temperature by the Nano Silver mixture after described modification, and obtain antibacterial powder by classification collector crushing and classification.
Wherein, use making beating spraying air drier and classification collector to enhance productivity, but compared with front a kind of embodiment of this step, there is no filtrate recycling, can cause certain loss.
As shown in Figure 2, the present invention also provides the another kind of preparation method of described antibacterial powder, comprises the following steps:
Nano Silver is added and in solvent, is mixed and made into Nano Silver mixture;
The porous catalyst that is 25%～35% by distilled water or the deionized water rate of prewetting stirs and is warming up to 50～80 DEG C;
In porous catalyst after described intensification, add the described Nano Silver mixture under pre-conditioned, until the porous catalyst water content after described intensification approaches saturated;
In the mixture of described Nano Silver mixture and described porous catalyst, add described PH conditioning agent, the pH value that regulates described mixture is 5.0～6.0, dries 1～12 hour under the temperature environment of 110～200 DEG C, obtains antibacterial powder.
Wherein, porous catalyst distilled water or the deionized water rate of prewetting is preferentially chosen as 30%; Porous catalyst water content approaches saturated referring to when porous catalyst water content is 90%～100%, for example, and when porous catalyst water content is 95%.
In this preparation method's a embodiment, in described porous catalyst after described intensification, add the described Nano Silver mixture under pre-conditioned, approach and stop when saturated adding the step of described Nano Silver mixture under pre-conditioned to be specially to the porous catalyst water content after described intensification:
In porous catalyst after described intensification, spraying adds that pH value is 6.0～7.0, temperature is the Nano Silver mixture of 10～20 DEG C, until the porous catalyst water content after described intensification approaches saturated.
The advantage of antibacterial powder of the present invention and preparation method thereof is specially:
1, containing any medicine and noxious material, there is not application taboo in antibacterial powder of the present invention, expanded range of application and application group, can directly use at wound face, and effect is more remarkable simultaneously, and raw materials and preparation method environment friendly and pollution-free.
2, antibacterial powder collection of the present invention is antipruritic, sweat disappears, deodorizing, the functions such as Antifungi are integrated, directly use imbibition skin toner at wound face, antibacterial, analgesia, hemostasis, antipruritic, the effects such as deodorizing, promote the advantage of wound surface quickly-healing, to ephidrosis, the dark and damp itch of skin or privacy places, " athlete's foot ", scabies useless fellow bubble ulcer etc. are inhibited, convergence and prevent and treat function, to hepatitis type B virus, AIDS virus has fast, good deactivation Disinfection Effect, long-term this antibacterial powder that uses has certain inhibition and healing effect to onychomycosis, and this antibacterial powder uses simple, easy to carry, be suitable for colony extensive, can suppress and prevent public's cross-infection, simultaneously without numerous and diverse medical examination and approval procedures.
For example, aspect personal nursing, antibacterial powder of the present invention is applicable to ephidrosis, beriberi, eczema, scabies etc., directly be coated with and be spread on affected part, through clinical trial, for 1～3 gram of beriberi severe patient consumption, use 1～7, cure rate reaches more than 99%, and bactericidal rate reaches more than 99.9%, especially the direct paintings of wound such as rotten to the corn or broken useless fellow scabies of steeping is spread to application effect remarkable, the onset immediately of the antipruritic deodorizing sterilizing of imbibition, swelling and pain relieving can heal in 1～2 day, to Escherichia coli, salmonella.Staphylococcus aureus, Pseudomonas aeruginosa etc. have strong killing action.
3, antibacterial powder of the present invention needs dry environment to preserve, even but make moist, also can not go mouldy, reproducible utilization after drying, performance and effect are constant, can use indefinite duration.
4, antibacterial powder employing porous catalyst of the present invention is carrier, carrier has the characteristic that aperture is large, specific surface area is high, adsorption capacity is superpower, do not react with any organic matter, Nano Silver wherein has superpower sterilization antibacterial ability, and Nano Silver is attracted in hole using porous catalyst as carrier, but not adhere to its surface, this combination makes antimicrobial factors possess effective slow-release function, thereby effectively improve and extended antibiotic and sterilizing ability, performance performance lasting stability.
5, antibacterial powder of the present invention has function and the advantages such as high temperature resistant, stable chemical nature, safety, antibacterial broad spectrum durable because of it, not only can be used in cosmetics of everyday use, also can be used as special functional material, its application is more extensive, can be used for the numerous areas such as such as high-grade paint, pottery, plastics, rubber, food, electronics, agricultural, weaving, biological medicine, hygienic environment-protecting, Aero-Space.
6, antibacterial powder of the present invention is nonpoisonous and tasteless white powder, can further process, for example in the time mixing, add natural essence or natural essential oil or extract or the natural colouring matter of 0.001～2.0 weight portion, can prepare the product with diverse fragrant flavour and color, meet the different needs.
7, antibacterial powder use of the present invention is easy to carry, solves puzzlement whenever and wherever possible; Preparation method is simple, and small investment is beneficial to extensive quantification and produces, and is easy to promote; Added value of product is high, has very strong international competitiveness, and domestic and abroad market prospect is wide.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. an antibacterial powder, is characterized in that, mainly comprises the component of following weight content: porous catalyst 98～99 weight portions, Nano Silver 0.002～5 weight portion, solvent 30～300 weight portions, PH conditioning agent 0.005～2 weight portion.
2. antibacterial powder according to claim 1, is characterized in that, described porous catalyst be in silica, titanium dioxide, rare earth any one or multiple.
3. antibacterial powder according to claim 1, is characterized in that, described solvent be in deionized water, alcohols solvent any one or multiple.
4. antibacterial powder according to claim 3, is characterized in that, described alcohols solvent be in methyl alcohol, ethanol, normal propyl alcohol, n-butanol any one or multiple.
5. antibacterial powder according to claim 1, is characterized in that, described PH conditioning agent be in nitric acid, hydrochloric acid, phosphoric acid, ammoniacal liquor, salicylic acid any one or multiple.
6. a preparation method for antibacterial powder described in claim 1, is characterized in that, comprises the following steps:
Nano Silver is added and in solvent, is mixed and made into Nano Silver mixture;
Described Nano Silver mixture is evenly added in porous catalyst, and to control temperature be that 30～40 DEG C, pH value are 5.0～6.0, keep carrying out for 1～12 hour modification;
Nano Silver mixture after described modification is obtained to antibacterial powder in pre-conditioned lower oven dry crushing and classification.
7. preparation method according to claim 6, is characterized in that, the step that the Nano Silver mixture after described modification is obtained to antibacterial powder at pre-conditioned lower oven dry crushing and classification is specially:
Nano Silver mixture after described modification is filtered;
Be to dry 1～9 hour under 180～400 DEG C of conditions the Nano Silver mixture after described filtration in temperature, crushing and classification obtains antibacterial powder.
8. preparation method according to claim 6, is characterized in that, the step that the Nano Silver mixture after described modification is obtained to antibacterial powder at pre-conditioned lower oven dry crushing and classification is specially:
Be 180～400 DEG C conditions under to dry by the making beating air drier of spraying in temperature by the Nano Silver mixture after described modification, and obtain antibacterial powder by classification collector crushing and classification.
9. a preparation method for antibacterial powder described in claim 1, is characterized in that, comprises the following steps:
Nano Silver is added and in solvent, is mixed and made into Nano Silver mixture;
The porous catalyst that is 25%～35% by distilled water or the deionized water rate of prewetting stirs and is warming up to 50～80 DEG C;
In porous catalyst after described intensification, add the described Nano Silver mixture under pre-conditioned, until the porous catalyst water content after described intensification approaches saturated;
In the mixture of described Nano Silver mixture and described porous catalyst, add described PH conditioning agent, the pH value that regulates described mixture is 5.0～6.0, dries 1～12 hour under the temperature environment of 110～200 DEG C, obtains antibacterial powder.
10. preparation method according to claim 9, it is characterized in that, in described porous catalyst after described intensification, add the described Nano Silver mixture under pre-conditioned, approach and stop when saturated adding the step of described Nano Silver mixture under pre-conditioned to be specially to the porous catalyst water content after described intensification:
In porous catalyst after described intensification, spraying adds that pH value is 6.0～7.0, temperature is the Nano Silver mixture of 10～20 DEG C, until the porous catalyst water content after described intensification approaches saturated.
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Cited By (6)
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| CN107568265A (en) * | 2017-08-31 | 2018-01-12 | 无锡市永兴金属软管有限公司 | A kind of silver-colored copper-rare earth compound antimicrobial agent of plastics |
| CN108064881A (en) * | 2016-11-14 | 2018-05-25 | 佛山市顺德区美的电热电器制造有限公司 | A kind of argentiferous titanium dioxide composite antibacterial agent and preparation method thereof and antibiotic paint and preparation method thereof |
| CN108309941A (en) * | 2018-03-20 | 2018-07-24 | 南京工业大学 | A kind of serrapeptase externally-applied powder and preparation method thereof |
| CN109122681A (en) * | 2018-09-17 | 2019-01-04 | 中国农业科学院烟草研究所 | A kind of salicylic acid capsule of nano sustained release agent preparation method of anti-tobacco bacteriosis |
| CN112143029A (en) * | 2020-09-23 | 2020-12-29 | 安徽江淮汽车集团股份有限公司 | Antibacterial agent preparation method, antibacterial agent and composite material |
| CN112616853A (en) * | 2020-04-03 | 2021-04-09 | 祁海强 | Preparation method of high-dispersion anti-discoloration nano-silver antibacterial agent material |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108064881A (en) * | 2016-11-14 | 2018-05-25 | 佛山市顺德区美的电热电器制造有限公司 | A kind of argentiferous titanium dioxide composite antibacterial agent and preparation method thereof and antibiotic paint and preparation method thereof |
| CN108064881B (en) * | 2016-11-14 | 2024-02-13 | 佛山市顺德区美的电热电器制造有限公司 | Silver-containing titanium dioxide composite antibacterial agent and preparation method thereof, and antibacterial coating and preparation method thereof |
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| CN108309941A (en) * | 2018-03-20 | 2018-07-24 | 南京工业大学 | A kind of serrapeptase externally-applied powder and preparation method thereof |
| CN108309941B (en) * | 2018-03-20 | 2023-08-11 | 南京工业大学 | Serratase external powder and preparation method thereof |
| CN109122681A (en) * | 2018-09-17 | 2019-01-04 | 中国农业科学院烟草研究所 | A kind of salicylic acid capsule of nano sustained release agent preparation method of anti-tobacco bacteriosis |
| CN112616853A (en) * | 2020-04-03 | 2021-04-09 | 祁海强 | Preparation method of high-dispersion anti-discoloration nano-silver antibacterial agent material |
| CN112143029A (en) * | 2020-09-23 | 2020-12-29 | 安徽江淮汽车集团股份有限公司 | Antibacterial agent preparation method, antibacterial agent and composite material |
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Application publication date: 20140604 |