CN103539237A - Method and part for killing bacteria and microorganism in fluid - Google Patents
Method and part for killing bacteria and microorganism in fluid Download PDFInfo
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- CN103539237A CN103539237A CN201210237570.3A CN201210237570A CN103539237A CN 103539237 A CN103539237 A CN 103539237A CN 201210237570 A CN201210237570 A CN 201210237570A CN 103539237 A CN103539237 A CN 103539237A
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Abstract
The invention discloses a method and a part for killing bacteria and microorganism in a fluid.
Description
Field
The application relates to sterilization field.
Background
Nanometer silver becomes rapidly nano material the most frequently used in consuming product, is also the fastest-rising material in nano material commercialization field.Nanometer silver is used as antiseptic-germicide on market in multiple product at present.
Research shows, being widely used of nanometer silver may cause serious harm to human health and environment, may cause forming antiseptic-germicide antibody, is that its usefulness reduces.A nearest Research Review the toxigenous evidence of current whole world research nano particle, and point out have ample evidence to show that silver nano-grain may be harmful to environment, therefore, should use this material in line with Precautionary Principle.Especially, for last can being present in environment with the form of ion of nanometer silver of electronic electric equipment, silver ions has environmental disruption, when extremely low concentration, hydrobiont is also had to extremely strong toxicity.The silver discharging in refrigerator and washing machine internal coating is especially dangerous because entering water body, and silver ions is released in waste water, finally enters municipal sewage plant, and then has limited sewage work's beneficial microorganism growth.Therefore, the existence of this hazardous substance be with set up good Ecology require conflicting.
Conventionally, in order to ensure that the source (as water tap) of water intaking meets our ideal, bacterium and microorganism zero pollutes, and we add fixed filter in the source (as water tap) of water intaking and reach this object.Yet we but do not notice that all filter grids are all to manage to intercept bacterium and the microorganism in water with various materials, rather than bacterium and microorganism are eliminated.Very naturally, water source can continue growth with obstruct material relaying post from bacterium and the microorganism of problem of secondary pollution when resting on water strainer for a long time in water strainer, thereby causes " polluting for three times ".In fact, this pollutes for the third time compared with the former (pollute for the first time and the pollute for the second time) produced pollution and endangers more very, because we can usually not release filter core to clean or change conventionally, and bacterium and microorganism just have time enough Growth and Reproduction therein.These bacteriums and microorganism, in division or when growth, are discharged and make harmful chemical combination material, if these materials are dissolved in water, we cannot note obtaining and by its removal, thereby in our daily tap water, contain a large amount of compounds that their are discharged.We do not discover this phenomenon at ordinary times, exactly because other the additional material (as activated carbon) in filter core excludes peculiar smell.We can realize that in the molten device of filter core, the strong peculiar smell water is learnt when cleaning filter core this situation.
General introduction
On the one hand, the application relates to and kills bacterium and method of microorganism in fluid, it comprises: fluid is contacted with the parts that are coated with antimicrobial coating, the silver powder that wherein said antimicrobial coating comprises antimicrobial effective amount and at least one nonmetallic substance, wherein said silver powder and nonmetallic substance are present in described antimicrobial coating with the form of physical doping, and in the process of bacterium and microorganism, there is no that silver or silver ions disengage from described antimicrobial coating in killing fluid.
On the other hand, the application relates to the parts of killing bacterium and microorganism in fluid, it is coated with antimicrobial coating, the silver powder that wherein said antimicrobial coating comprises antimicrobial effective amount and at least one nonmetallic substance, wherein said silver powder and nonmetallic substance are present in described antimicrobial coating with the form of physical doping, and in the process of bacterium and microorganism, there is no that silver or silver ions disengage from described antimicrobial coating in killing fluid.
On the one hand, the application relates to filter core again, and silver and nonmetallic substance that it contains with physical form doping, wherein there is no that silver or silver ions disengage from described filter core.
Another aspect, the application relates to preparation and contains the method with the silver of physical form doping and the filter core of nonmetallic substance, it comprises: mix silver and non-metallic material (1) with plastic cement starting material, (2) draw grain, thereby obtain the former grain of plastic cement, and (3) wire drawing, thereby obtain described filter core, wherein there is no that silver or silver ions disengage from described filter core.
Brief Description Of Drawings
Fig. 1 has the schematic diagram of the suction pipe of antimicrobial coating in the application's one embodiment.
Fig. 2 has the schematic diagram of the suction pipe of antibiotic filter core in the application's one embodiment.
Fig. 3 has the schematic diagram of the cigarette smoke filtering equipment of antibiotic filter core in the application's one embodiment.
Fig. 4 has installed the schematic diagram of the container of the suction pipe with antibiotic filter core in the application's one embodiment.
Fig. 5 is the schematic diagram of suction pipe that has installed the antibiotic filter core of gac in the application's one embodiment additional.
Fig. 6 is the schematic diagram of ceramic element that the application's antibiotic filter core is housed in the application's one embodiment.
Fig. 7 is the schematic diagram of filtration unit that the ceramic element of the antibiotic filter core that the application is housed has been installed in the application's one embodiment.
Fig. 8 is the schematic diagram of container that the application's antibiotic filter core has been installed in the application's one embodiment.
Describe in detail
Following description comprises some detail so that the various disclosed embodiments of thorough.Yet various equivalent modifications should be appreciated that can be without one or more these details, or can use other method, composition, material etc. to put into practice embodiment.
Unless context separately has requirement, in the following description book and claims, term " comprises (its corresponding English word is comprise) " and the variation of English word should be interpreted as implication open, that comprise as " comprises " and " comprising ", should be interpreted as " including, but are not limited to ".
Mentioned " embodiment (one embodiment) " in whole specification sheets, or " embodiment (an embodiment) ", or " in another embodiment ", or " some embodiment ", or " in certain embodiments " refers to that the described feature that be specifically related to, structure or the characteristic relevant to described embodiment are included at least one embodiment.Therefore, phrase " in one embodiment ", " in embodiments ", " in another embodiment " or " in certain embodiments " of the local appearance of each in whole specification sheets needn't all refer to identical embodiment.In addition, specific features, structure or characteristic can combine in any suitable manner in one or more embodiments.
It should be noted that as used in this specification sheets and appending claims, singulative (its corresponding English word is " a ", " an " and " the ") comprises the thing of mentioning of plural form, unless context refers else clearly.Therefore, for example " silver and non-metallic material are mixed with plastic cement starting material " and comprise silver is mixed with a kind of non-metallic material and a kind of plastic cement starting material, also comprise silver is mixed with a kind of non-metallic material (as granulated glass sphere) and multiple plastic cement starting material (as polypropylene and polybutene), also comprise silver is mixed with multiple non-metallic material (as granulated glass sphere and ceramic bead) and a kind of plastic cement starting material (as polypropylene), equally also comprise silver is mixed with multiple non-metallic material (as granulated glass sphere and ceramic bead) and multiple plastic cement starting material (as polypropylene and polybutene).Shall also be noted that term "or" is conventionally to comprise the implication use of "and/or", unless context refers else clearly.
The numerical value that it should be noted that the amount, reaction conditions etc. of all expression compositions used in specification sheets and claims should be understood to all by term " about ", be modified.Therefore, unless otherwise indicated, the numerical parameter providing in this specification sheets and claims is all approximations, the required character that can look for according to the present invention and changing.Show no sign of the intention of restriction to claim range applications doctrine of equivalents, each numerical parameter should and conventionally round method and understands according to significant figure.
Definition
Unless had clearly contrary expression, the following term of using in specification sheets and appending claims has the following meaning:
Term used herein " antibiotic " or " anti-microbial effect " refer to antibacterial and general name germicidal action, term " antibacterial " or " bacteriostatic action " refer to suppress the effect of microorganism growth breeding, and term " sterilization " or " germicidal action " refer to the effect of kill microorganisms nourishing body and propagulum.
Term used herein " antimicrobial effective amount " refers to reach the antibiotic content of expectation anti-microbial effect.Conventionally, according to different antibiotic requirements, the antibacterial effect that need to reach may be different.For example, in some embodiment of the application, the silver powder of antimicrobial effective amount can refer to the antibacterial metal silver powder of about 0.01-30%.In other embodiments, the silver powder of antimicrobial effective amount can refer to the antibacterial metal silver powder of about 1-20%.In other embodiments, the silver powder of antimicrobial effective amount can refer to the antibacterial metal silver powder of about 5-10%.
The Antibacterial Mechanism that does not have silver or silver ions to disengage
Metal silver granuel and other nonmetal particles are ensconced in matrix (plastic cement starting material), utilize silver ions group field of electric force antibiotic.
The detection method of Trace Silver or silver ions
The method (EPA200.8:1994, ICP-MS) that inductively coupled plasma-mass spectrum is determined trace elements in water and refuse of passing through according to Environmental Protection Agency (EPA) formulation, detects in the application's antimicrobial coating whether disengage silver or silver ions.
Anti-microbial property test method and antibacterial effect
antibacterial effect
The antibacterial effect of antibiotic fabricated product obtains by the numerical value of germ resistance, and its numerical value should be not less than 99%.
anti-microbial property test method
1. bacterium is used in test
Streptococcus aureus (Staphylococcus aureus)
Table 1 has provided representative bacterial isolates, bacterial strain preserving number and the bacterial strain preservation mechanism for testing.
The bacterial isolates of table 1. for testing
2. detection method
GB/T20944.3-2008 succusion
Specific embodiments
On the one hand, the application relates to and kills method of microorganism in fluid, it comprises: fluid is contacted with the parts that are coated with antimicrobial coating, the silver powder that wherein said antimicrobial coating comprises antimicrobial effective amount and at least one nonmetallic substance, wherein said silver powder and nonmetallic substance are present in described antimicrobial coating with the form of physical doping, and in the process of microorganism, there is no that silver or silver ions disengage from described antimicrobial coating in killing fluid.
In certain embodiments, kill bacterium and method of microorganism in fluid, it comprises: fluid is contacted with the parts that are coated with antimicrobial coating, the silver powder of the antimicrobial effective amount that wherein said antimicrobial coating comprises spray sintering and at least one nonmetallic substance, wherein said silver powder and nonmetallic substance are present in described antimicrobial coating with the form of physical doping, and in the process of microorganism, there is no that silver or silver ions disengage from described antimicrobial coating in killing fluid.
In certain embodiments, kill bacterium and method of microorganism in fluid, it comprises: fluid is contacted with the parts that are coated with antimicrobial coating, wherein said antimicrobial coating comprises silver powder and at least one nonmetallic substance that mass percent is about 2:100, wherein said silver powder and nonmetallic substance are present in described antimicrobial coating with the form of physical doping, and in the process of bacterium and microorganism, there is no that silver or silver ions disengage from described antimicrobial coating in killing fluid.
In certain embodiments, kill bacterium and method of microorganism in fluid, it comprises: fluid is contacted with the parts that are coated with antimicrobial coating, wherein said antimicrobial coating comprises silver powder and at least one nonmetallic substance that particle diameter is about 1000 to 1500 object antimicrobial effective amounts, wherein said silver powder and nonmetallic substance are present in described antimicrobial coating with the form of physical doping, and in the process of bacterium and microorganism, there is no that silver or silver ions disengage from described antimicrobial coating in killing fluid.
In certain embodiments, kill bacterium and method of microorganism in fluid, it comprises: fluid is contacted with the parts that are coated with antimicrobial coating, wherein said antimicrobial coating comprises the particle diameter that mass percent is about 2:100 and is about 1000 to 1500 object silver powder and at least one nonmetallic substance, wherein said silver powder and nonmetallic substance are present in described antimicrobial coating with the form of physical doping, and in the process of bacterium and microorganism, there is no that silver or silver ions disengage from described antimicrobial coating in killing fluid.
In certain embodiments, kill bacterium and method of microorganism in air or water, it comprises: air or water are contacted with the parts that are coated with antimicrobial coating, the silver powder that wherein said antimicrobial coating comprises antimicrobial effective amount and at least one nonmetallic substance, wherein said silver powder and nonmetallic substance are present in described antimicrobial coating with the form of physical doping, and in the process of bacterium and microorganism, there is no that silver or silver ions disengage from described antimicrobial coating in killing air or water.
In certain embodiments, kill bacterium and method of microorganism in fluid, it comprises: fluid is contacted with the mouth mask, filter tip, filter core or the filter screen that are coated with antimicrobial coating, the silver powder that wherein said antimicrobial coating comprises antimicrobial effective amount and at least one nonmetallic substance, wherein said silver powder and nonmetallic substance are present in described antimicrobial coating with the form of physical doping, and in the process of bacterium and microorganism, there is no that silver or silver ions disengage from described antimicrobial coating in killing fluid.
In certain embodiments, kill bacterium and method of microorganism in fluid, it comprises: fluid is contacted with filter core or idle call filter screen with the mouth mask, cigaratte filter, suction pipe filter tip, suction pipe filter core, the water-purification plant that are coated with antimicrobial coating, the silver powder that wherein said antimicrobial coating comprises antimicrobial effective amount and at least one nonmetallic substance, wherein said silver powder and nonmetallic substance are present in described antimicrobial coating with the form of physical doping, and in the process of bacterium and microorganism, there is no that silver or silver ions disengage from described antimicrobial coating in killing fluid.
In certain embodiments, kill bacterium and method of microorganism in fluid, it comprises: fluid is contacted with the parts that are coated with antimicrobial coating, the silver powder that wherein said antimicrobial coating comprises antimicrobial effective amount and at least one nonmetallic substance, wherein said silver powder and nonmetallic substance are present in described antimicrobial coating with the form of physical doping, and in killing fluid in the process of bacterium and microorganism silver or silver ions emission from described antimicrobial coating be not more than 50 μ g/L.
In certain embodiments, kill bacterium and method of microorganism in fluid, it comprises: fluid is contacted with the parts that are coated with antimicrobial coating, the silver powder that wherein said antimicrobial coating comprises antimicrobial effective amount and at least one nonmetallic substance, wherein said silver powder and nonmetallic substance are present in described antimicrobial coating with the form of physical doping, and in killing fluid in the process of bacterium and microorganism silver or silver ions emission from described antimicrobial coating be not more than 10 μ g/L.
In certain embodiments, kill bacterium and method of microorganism in fluid, it comprises: fluid is contacted with the parts that are coated with antimicrobial coating, the silver powder that wherein said antimicrobial coating comprises antimicrobial effective amount and at least one nonmetallic substance, wherein said silver powder and nonmetallic substance are present in described antimicrobial coating with the form of physical doping, and in killing fluid in the process of bacterium and microorganism silver or silver ions emission from described antimicrobial coating be not more than 2 μ g/L.
In certain embodiments, kill bacterium and method of microorganism in fluid, it comprises: fluid is contacted with the parts that are coated with antimicrobial coating, the silver powder that wherein said antimicrobial coating comprises antimicrobial effective amount and at least one nonmetallic substance, wherein said silver powder and nonmetallic substance are present in described antimicrobial coating with the form of physical doping, and in the process of bacterium and microorganism, have silver or silver ions to disengage from described antimicrobial coating in killing fluid.
In certain embodiments, kill bacterium and method of microorganism in fluid, it comprises: fluid is contacted with the parts that are coated with thickness and are about 1 to 100mm antimicrobial coating, the silver powder that wherein said antimicrobial coating comprises antimicrobial effective amount and at least one nonmetallic substance, wherein said silver powder and nonmetallic substance are present in described antimicrobial coating with the form of physical doping, and in the process of bacterium and microorganism, there is no that silver or silver ions disengage from described antimicrobial coating in killing fluid.
On the other hand, the application relates to the parts of killing bacterium and microorganism in fluid, it is coated with antimicrobial coating, the silver powder that wherein said antimicrobial coating comprises antimicrobial effective amount and at least one nonmetallic substance, wherein said silver powder and nonmetallic substance are present in described antimicrobial coating with the form of physical doping, and in the process of bacterium and microorganism, there is no that silver or silver ions disengage from described antimicrobial coating in killing fluid.
In certain embodiments, kill the parts of bacterium and microorganism in fluid, it is coated with antimicrobial coating, the silver powder of the antimicrobial effective amount that wherein said antimicrobial coating comprises spray sintering and at least one nonmetallic substance, wherein said silver powder and nonmetallic substance are present in described antimicrobial coating with the form of physical doping, and in the process of bacterium and microorganism, there is no that silver or silver ions disengage from described antimicrobial coating in killing fluid.
In certain embodiments, kill the parts of bacterium and microorganism in fluid, it is coated with antimicrobial coating, wherein said antimicrobial coating contains silver powder and at least one nonmetallic substance that mass percent is about 2:100, wherein said silver powder and nonmetallic substance are present in described antimicrobial coating with the form of physical doping, and in the process of bacterium and microorganism, there is no that silver or silver ions disengage from described antimicrobial coating in killing fluid.
In certain embodiments, kill the parts of bacterium and microorganism in fluid, it is coated with antimicrobial coating, the particle diameter that wherein said antimicrobial coating comprises antimicrobial effective amount is about 1000 to 1500 object silver powder and at least one nonmetallic substance, wherein said silver powder and nonmetallic substance are present in described antimicrobial coating with the form of physical doping, and in the process of bacterium and microorganism, there is no that silver or silver ions disengage from described antimicrobial coating in killing fluid.
In certain embodiments, kill the parts of bacterium and microorganism in air or water, it is coated with antimicrobial coating, the silver powder that wherein said antimicrobial coating comprises antimicrobial effective amount and at least one nonmetallic substance, wherein said silver powder and nonmetallic substance are present in described antimicrobial coating with the form of physical doping, and in the process of bacterium and microorganism, there is no that silver or silver ions disengage from described antimicrobial coating in killing air or water.
In certain embodiments, kill mouth mask, filter tip, filter core and the filter screen of bacterium and microorganism in fluid, it is coated with antimicrobial coating, the silver powder that wherein said antimicrobial coating comprises antimicrobial effective amount and at least one nonmetallic substance, wherein said silver powder and nonmetallic substance are present in described antimicrobial coating with the form of physical doping, and in the process of bacterium and microorganism, there is no that silver or silver ions disengage from described antimicrobial coating in killing fluid.
In certain embodiments, kill mouth mask, cigaratte filter, suction pipe filter tip, suction pipe filter core, filter core and the idle call filter screen for water-purification plant of bacterium and microorganism in fluid, it is coated with antimicrobial coating, the silver powder that wherein said antimicrobial coating comprises antimicrobial effective amount and at least one nonmetallic substance, wherein said silver powder and nonmetallic substance are present in described antimicrobial coating with the form of physical doping, and in the process of bacterium and microorganism, there is no that silver or silver ions disengage from described antimicrobial coating in killing fluid.
In certain embodiments, kill the filter core of bacterium and microorganism in fluid, it is coated with antimicrobial coating and contains gac, ore and/or pottery, the silver powder that wherein said antimicrobial coating comprises antimicrobial effective amount and at least one nonmetallic substance, wherein said silver powder and nonmetallic substance are present in described antimicrobial coating with the form of physical doping, and in the process of bacterium and microorganism, there is no that silver or silver ions disengage from described antimicrobial coating in killing fluid.
In certain embodiments, kill the filter core of bacterium and microorganism in fluid, gac, ore and/or pottery that it is coated with antimicrobial coating and contains pearl, the silver powder that wherein said antimicrobial coating comprises antimicrobial effective amount and at least one nonmetallic substance, wherein said silver powder and nonmetallic substance are present in described antimicrobial coating with the form of physical doping, and in the process of bacterium and microorganism, there is no that silver or silver ions disengage from described antimicrobial coating in killing fluid.
As shown in Figure 1, it is for having the schematic diagram of the suction pipe of antimicrobial coating in the application's one embodiment.
As shown in Figure 2, it,, for having the schematic diagram of the suction pipe of antibiotic filter core in the application's one embodiment, is wherein equipped with antibiotic filter core in multiplex filter tip.
As shown in Figure 3, it,, for having the schematic diagram of the cigarette smoke filtering equipment of antibiotic filter core in the application's one embodiment, is wherein equipped with antibiotic filter core in multiplex filter tip.
As shown in Figure 4, it,, for the schematic diagram of the container of the suction pipe with antibiotic filter core has been installed in the application's one embodiment, is wherein equipped with antibiotic filter core in multiplex filter tip.
As shown in Figure 5, it,, for having installed the schematic diagram of the suction pipe with antibiotic filter core of gac in the application's one embodiment additional, is wherein equipped with antibiotic filter core in multiplex filter tip.
As shown in Figure 6, it is the schematic diagram of the antibiotic filter core in the application's one embodiment, and gac is equipped with in antibiotic filter core and ceramic element inside that the application is wherein housed outside ceramic element.
As shown in Figure 7, it is the schematic diagram of the filtration unit in the application's one embodiment, and gac is equipped with in ceramic element and ceramic element inside that the antibiotic filter core that the application is housed has wherein been installed in filtration unit
As shown in Figure 8, it is the schematic diagram of the container in the application's one embodiment, and the application's antibiotic filter core has wherein been installed in container.
In certain embodiments, kill the parts of bacterium and microorganism in fluid, it is coated with antimicrobial coating, the silver powder that wherein said antimicrobial coating comprises antimicrobial effective amount and at least one nonmetallic substance, wherein said silver powder and nonmetallic substance are present in described antimicrobial coating with the form of physical doping, and in killing fluid in the process of bacterium and microorganism silver or silver ions emission from described antimicrobial coating be not more than 50 μ g/L.
In certain embodiments, kill the parts of bacterium and microorganism in fluid, it is coated with antimicrobial coating, the silver powder that wherein said antimicrobial coating comprises antimicrobial effective amount and at least one nonmetallic substance, wherein said silver powder and nonmetallic substance are present in described antimicrobial coating with the form of physical doping, and in killing fluid in the process of bacterium and microorganism silver or silver ions emission from described antimicrobial coating be not more than 10 μ g/L.
In certain embodiments, kill the parts of bacterium and microorganism in fluid, it is coated with antimicrobial coating, the silver powder that wherein said antimicrobial coating comprises antimicrobial effective amount and at least one nonmetallic substance, wherein said silver powder and nonmetallic substance are present in described antimicrobial coating with the form of physical doping, and in killing fluid in the process of bacterium and microorganism silver or silver ions emission from described antimicrobial coating be not more than 2 μ g/L.
In certain embodiments, kill the parts of bacterium and microorganism in fluid, it is coated with antimicrobial coating, the silver powder that wherein said antimicrobial coating comprises antimicrobial effective amount and at least one nonmetallic substance, wherein said silver powder and nonmetallic substance are present in described antimicrobial coating with the form of physical doping, and in the process of bacterium and microorganism, do not have silver or silver ions to disengage from described antimicrobial coating in killing fluid.
On the one hand, the application relates to filter core again, and silver and nonmetallic substance that it contains with physical form doping, wherein there is no that silver or silver ions disengage from described filter core.
In certain embodiments, contain with the silver of physical form doping and the filter core of nonmetallic substance, wherein said silver and nonmetallic substance be spray sintering and there is no that silver or silver ions disengage from described filter core.
In certain embodiments, contain with the silver of physical form doping and the filter core of nonmetallic substance, the mass percent of wherein said silver and nonmetallic substance is about 2:100 and there is no silver or silver ions disengages from described filter core.
In certain embodiments, contain with the silver of physical form doping and the filter core of nonmetallic substance, the mass percent of wherein said silver and nonmetallic substance is about 2:100, and the particle diameter of described silver is about 1000 to 1500 orders and there is no silver or silver ions disengages from described filter core.
In certain embodiments, contain with the silver of physical form doping and the filter core of granulated glass sphere, wherein there is no that silver or silver ions disengage from described filter core.
In certain embodiments, contain with the silver of physical form doping and the filter core of granulated glass sphere, the mass percent of wherein said silver and granulated glass sphere is about 2:100 and there is no silver or silver ions disengages from described filter core.
In certain embodiments, contain with the silver of physical form doping and the filter core of granulated glass sphere, the particle diameter of wherein said silver is about 1000 to 1500 orders and there is no silver or silver ions disengages from described filter core.
In certain embodiments, contain with the silver of physical form doping and the filter core of granulated glass sphere, the mass percent of wherein said silver and granulated glass sphere is about 2:100, and the particle diameter of described silver is about 1000 to 1500 orders and there is no silver or silver ions disengages from described filter core.
In certain embodiments, contain with the silver of physical form doping and the filter core of nonmetallic substance, in wherein said filter core, also contain gac, ore and/or pottery.
In certain embodiments, contain with the silver of physical form doping and the filter core of nonmetallic substance, in wherein said filter core, also contain gac, ore and/or the pottery of pearl.
In certain embodiments, contain with the silver of physical form doping and the filter core of nonmetallic substance, wherein silver or silver ions emission from described filter core is not more than 50 μ g/L.
In certain embodiments, contain with the silver of physical form doping and the filter core of nonmetallic substance, wherein silver or silver ions emission from described filter core is not more than 10 μ g/L.
In certain embodiments, contain with the silver of physical form doping and the filter core of nonmetallic substance, wherein silver or silver ions emission from described filter core is not more than 2 μ g/L.
In certain embodiments, contain with the silver of physical form doping and the filter core of nonmetallic substance, wherein do not have silver or silver ions to disengage from described filter core.
Another aspect, the application relates to preparation and contains the method with the silver of physical form doping and the filter core of nonmetallic substance, it comprises: mix silver and non-metallic material (1) with plastic cement starting material, (2) draw grain, thereby obtain the former grain of plastic cement, and (3) wire drawing, thereby obtain described filter core, wherein there is no that silver or silver ions disengage from described filter core.
In certain embodiments, preparation contains in the method with the silver of physical form doping and the filter core of nonmetallic substance, and the mass percent of wherein said silver and nonmetallic substance is about 2:100.
In certain embodiments, preparation contains in the method with the silver of physical form doping and the filter core of nonmetallic substance, and the particle diameter of wherein said silver is about 1000 to 1500 orders.
In certain embodiments, preparation contains in the method with the silver of physical form doping and the filter core of nonmetallic substance, and wherein said non-metallic material are granulated glass sphere.
In certain embodiments, preparation contains in the method with the silver of physical form doping and the filter core of nonmetallic substance, and wherein said plastic cement starting material are polypropylene.
Hereinafter, the present invention is explained in detail to understand better all respects of the present invention and advantage by following embodiment with reference to the accompanying drawings.But, should be appreciated that following embodiment is nonrestrictive and only for certain embodiments of the present invention are described.
embodiment
Embodiment 1
The silver that is 3:100 by the mass percent of spray sintering and non-metallic material granulated glass sphere are that 8:100 mixes with plastic cement starting material polypropylene according to weight ratio, then draw grain, the former grain of plastic cement that preparation has sterilizing function, is used drawing process and filter core manufacture craft to prepare the bar-shaped filter core that length is 6cm for 25cm, diameter through injection moulding machine.If needed, above-mentioned filter core can be placed on to ceramic element outside and share, and the various material with additional function and purposes, for example gac, ore, pottery can be equipped with in ceramic element inside again.
Embodiment 2
The silver powder that is 2:100 by the mass percent of spray sintering and non-metallic material granulated glass sphere are that 7:100 mixes with plastic cement starting material polypropylene according to weight ratio, then together draw grain, the former grain of plastic cement that preparation has sterilizing function, is used drawing process and filter core manufacture craft to prepare the filter core that length is 1.2cm for 1.5cm, diameter through injection moulding machine.Above-mentioned filter core is placed in to filter tip, if needed, can also adds the various material with additional function and purposes, for example gac, ore, pottery.
Embodiment 3
The silver powder that is 4:100 by the mass percent of spray sintering and non-metallic material granulated glass sphere are that 6:100 mixes with plastic cement starting material polypropylene according to weight ratio, then together draw grain, preparation has the former grain of plastic cement of sterilizing function, through injection moulding machine, use spray silk technique, prepare the filter screen of sl., thickness and specific density, can make the purposes of variant production.
The detection of embodiment 4-silver or silver ions emission
The filter core of embodiment 1 preparation is put into distilled water, at room temperature soak 4 hours, use EPA 200.8:1994, the silver content in ICP-MS test water.Result is as follows.
| Test event | Testing method | Test result | Method detection limit |
| Silver (Ag) | EPA 200.8:1994,ICP-MS | Do not detect | 2μg/L |
The detection of embodiment 5-bactericidal property
Anti-microbial property test method described in use the application, the sterilization effect of the filter core that detection embodiment 1 obtains, result is as shown in the table.
Although be appreciated that from the foregoing and described specific embodiment of the invention scheme for the object of exemplary illustration, under condit without departing from the spirit and scope of the present invention, technician can make various distortion or improvement described in this area.These distortion or modification all should fall into the scope of the application's claims.
Claims (32)
1. kill bacterium and method of microorganism in fluid, it comprises: fluid is contacted with the parts that are coated with antimicrobial coating, the silver powder that wherein said antimicrobial coating comprises antimicrobial effective amount and at least one nonmetallic substance, wherein said silver powder and nonmetallic substance are present in described antimicrobial coating with the form of physical doping, and in the process of bacterium and microorganism, there is no that silver or silver ions disengage from described antimicrobial coating in killing fluid.
2. the method for claim 1, the mass percent of wherein said silver powder and nonmetallic substance is about 2:100.
3. method as claimed in claim 1 or 2, the particle diameter of wherein said silver powder is about 1000 to 1500 orders.
4. the method as described in arbitrary claim in claims 1 to 3, wherein said fluid is empty G&W.
5. the method as described in arbitrary claim in claim 1 to 4, wherein said parts are selected from mouth mask, filter tip, filter core and filter screen, preferred cigarette filter tip, suction pipe filter tip, suction pipe filter core, filter core and idle call filter screen for water-purification plant.
6. the method as described in arbitrary claim in claim 1 to 5, wherein silver or silver ions emission from described antimicrobial coating is not more than 50 μ g/L, is preferably not more than 10 μ g/L, more preferably no more than 2 μ g/L.
7. the method as described in arbitrary claim in claim 1 to 6, does not wherein have silver or silver ions to disengage from described antimicrobial coating.
8. the method as described in arbitrary claim in claim 1 to 7, the thickness of wherein said antimicrobial coating is about 1 to 100mm.
9. the method as described in arbitrary claim in claim 1 to 8, wherein said silver powder and at least one nonmetallic substance are spray sinterings.
10. kill the parts of bacterium and microorganism in fluid, it is coated with antimicrobial coating, the silver powder of the antimicrobial effective amount that wherein said antimicrobial coating comprises spray sintering and at least one nonmetallic substance, wherein said silver powder and nonmetallic substance are present in described antimicrobial coating with the form of physical doping, and in the process of bacterium and microorganism, there is no that silver or silver ions disengage from described antimicrobial coating in killing fluid.
11. parts as claimed in claim 10, the mass percent of wherein said silver powder and nonmetallic substance is about 2:100.
12. parts as described in claim 10 or 11, the particle diameter of wherein said silver powder is about 1000 to 1500 orders.
13. parts as described in arbitrary claim in claim 10 to 12, wherein said fluid is empty G&W.
14. parts as described in arbitrary claim in claim 10 to 13, wherein said parts are selected from mouth mask, filter tip, filter core and filter screen, preferred cigarette filter tip, suction pipe filter tip, suction pipe filter core, filter core and idle call filter screen for water-purification plant.
15. parts as claimed in claim 14, also contain gac, ore and/or pottery in wherein said filter core, preferred described gac, ore and pottery are pearl.
16. parts as described in arbitrary claim in claim 10 to 15, wherein silver or silver ions emission from described antimicrobial coating is not more than 50 μ g/L, is preferably not more than 10 μ g/L, more preferably no more than 2 μ g/L.
17. parts as described in arbitrary claim in claim 10 to 16, wherein do not have silver or silver ions to disengage from described antimicrobial coating.
18. parts as described in arbitrary claim in claim 10 to 17, wherein said silver powder and at least one nonmetallic substance are spray sinterings.
19. filter cores, silver and nonmetallic substance that it contains with physical form doping, wherein there is no that silver or silver ions disengage from described filter core.
20. filter cores as claimed in claim 19, the mass percent of wherein said silver and nonmetallic substance is about 2:100.
21. filter cores as described in claim 19 or 20, the particle diameter of wherein said silver is about 1000 to 1500 orders.
22. filter cores as described in arbitrary claim in claim 19 to 22, wherein said nonmetallic substance is granulated glass sphere.
23. filter cores as described in arbitrary claim in claim 19 to 23, also contain gac, ore and/or pottery in wherein said filter core, preferred described gac, ore and pottery are pearl.
24. filter cores as described in arbitrary claim in claim 19 to 23, wherein silver or silver ions emission from described filter core is not more than 50 μ g/L, is preferably not more than 10 μ g/L, more preferably no more than 2 μ g/L.
25. filter cores as described in arbitrary claim in claim 17 to 24, wherein do not have silver or silver ions to disengage from described filter core.
26. filter cores as described in arbitrary claim in claim 17 to 25, wherein said silver and nonmetallic substance are spray sinterings.
The method of the filter core described in 27. preparation claims 19, it comprises:
(1) silver and non-metallic material are mixed with plastic cement starting material,
(2) draw grain, thereby obtain the former grain of plastic cement, and
(3) wire drawing, thus described filter core obtained.
28. methods as claimed in claim 27, it also comprises the step of described silver and non-metallic material spray sintering.
29. methods as described in claim 27 or 28, the mass percent of wherein said silver and nonmetallic substance is about 2:100.
30. methods as described in arbitrary claim in claim 27 to 29, the particle diameter of wherein said silver is about 1000 to 1500 orders.
31. methods as described in arbitrary claim in claim 27 to 30, wherein said non-metallic material are granulated glass sphere.
32. methods as described in arbitrary claim in claim 27 to 31, wherein said plastic cement starting material are polypropylene.
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| CN101934170A (en) * | 2009-06-30 | 2011-01-05 | 郭春樱 | Air filter screen with nano-antibacterial and deodorization effects and manufacturing method thereof |
| CN102225281A (en) * | 2011-03-31 | 2011-10-26 | 厦门建霖工业有限公司 | Multifunctional three-layer type air strainer |
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| CN101049635A (en) * | 2006-04-07 | 2007-10-10 | 郭春樱 | Nano noble metal particles coated container made from porous material, and preparation method |
| CN101219232A (en) * | 2007-01-12 | 2008-07-16 | 中山市洁鼎过滤制品有限公司 | Production method for multifunctional honeycomb net for removing ozone |
| CN201263914Y (en) * | 2008-08-26 | 2009-07-01 | 张金松 | Spray welding filter element for water processor |
| CN101934170A (en) * | 2009-06-30 | 2011-01-05 | 郭春樱 | Air filter screen with nano-antibacterial and deodorization effects and manufacturing method thereof |
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