CN102011095A - Antibiosis polycarbonate film prepared by magnetron sputtering technology - Google Patents
Antibiosis polycarbonate film prepared by magnetron sputtering technology Download PDFInfo
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- 229920006289 polycarbonate film Polymers 0.000 title claims abstract description 8
- 230000003115 biocidal effect Effects 0.000 title abstract description 11
- 238000005516 engineering process Methods 0.000 title abstract description 6
- 229910052709 silver Inorganic materials 0.000 claims abstract description 32
- 239000004332 silver Substances 0.000 claims abstract description 32
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 20
- 229920000515 polycarbonate Polymers 0.000 claims abstract description 14
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000002360 preparation method Methods 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims abstract description 7
- 229910052786 argon Inorganic materials 0.000 claims abstract description 4
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Abstract
The invention relates to an antibiosis polycarbonate film prepared by magnetron sputtering technology. At room temperature, a polycarbonate film base material with thickness of 0.5 mm is fixed at a sample frame; by adopting a structure with the base material on the upper layer and silver with purity of 99.99 percent used as a target on the lower layer, a nano silver film layer is prepared by magnetron sputtering technology in a mode of sputtering from the bottom up; and during sputtering, argon with purity of 99.99 percent is used as working gas, the distance between the target and the base material is 185mm, the background vacuum degree is 5*10<-4>Pa, the thickness of the film is measured and controlled by a film thickness gage, and the sample frame rotates at a rotation speed of 85 r/min in the preparation process. The nano silver film can be deposited on the surface of the polycarbonate sheet by the magnetron sputtering technology, so that antibiosis functionalization of the polycarbonate sheet is realized.
Description
Technical field:
The present invention relates to a kind of antibacterial makrolon film that utilizes the magnetron sputtering technique preparation.
Background technology:
Polycarbonate film has good comprehensive performances, and general thin is a water white transparency, and transmittance is more than 90%, and film is the electrical property excellence not only, and has higher draw tensile strength and rigidity, and shock-resistance also is higher in the thermoplastics.The water-intake rate of polycarbonate film and product molding shrinking percentage are low, creep-resistant property is good, thereby under different temperature, humidity condition the dimensional stabilizing of goods, particularly its winter hardiness and thermotolerance are very excellent be fit to make precision element, can long term operation in the scope of 100 ℃～130 ℃ of broads.
Since poly-carbonic acid junket film transparent nontoxic, tasteless, do not have and smell, have good fragrance protectiveness, can be used for the packing of food and medicine.Suitability for secondary processing such as its printing and evaporation metal, vacuum suction moulding are also very good, can process and be copied into various beautiful dress sulphurs, or make various composite products with other material.Product is mainly used in: fields such as automotive industry and electronics, electrical equipment industry, thin film switch, inscription plate, liquid crystal display and industrial machinery part, plating mirror, various label, printing, helmet, sunbonnet, sun glasses.
According to traditional concept, plastics are bright and clean closely knit, and harmful microorganism is difficult to adhere to and corrode.But in fact, plastics also can be subjected to the pollution of bacterium.21 century, human antimicrobial product to comfortable, fashion, green, environmental protection, health has shown huge serious hope and demand, antimicrobial product not only can effectively stop person to person, people and thing, thing and the bacterium cross infection, can also guide people that the health care pattern is changed into ex ante forecasting and prevention from treatment afterwards.Along with people obviously improve hygienic requirements, require to plate the film that one deck has antibacterial on the surface of glass, pottery, metal, plastic or other material, make it have the function that suppresses microorganism growth.
Nano anti-biotic material is a kind of characteristic dimension of occurring in recent years new type of health anti-biotic material at 1～100nm, it has overcome the defective of traditional organic anti-bacterial product at aspects such as security, broad spectrum, resistance and heat-resisting processibilities, can satisfy people's life comfort level and the requirement that health level improves constantly, begin to obtain application in fields such as building materials, ceramic sanitary appliance, plastics, textiless.At present, the research of aspects such as the physical property of nano anti-biotic material, technology of preparing, performance test has been carried out, and has obtained development at full speed, is subjected to the common concern of countries in the world.
As long as the germ-resistant secret of silver-colored energy has been opened in the scientific experiment of modern science family expenses---there is the silver of trace to dissolve in the water, after becoming silver ions, high-strength sterilization ability is promptly arranged: scientist once did experiment, with 23 liters of sewage (wherein intestinal bacteria are more than 7000 every milliliter), handle through 3 hours silver electrodes, intestinal bacteria are all dead as a result.The silver of ppb-gram can make the premium on currency cleaning that becomes.But because the costliness and the arrival in microbiotic epoch of silver, people have abandoned silver at once.Microbiotic has quickened the evolution of bacterium, the bacterium that microbiotic can be controlled before more and more begins to struggle against with microbiotic, so-called " superbacteria " appearred conversely, the situation that microbiotic and bacterium " competition mutually " occurred, be that this situation has all appearred in agricultural chemicals, veterinary drug or human medication, present antibiotic abuse has caused very big side effect and harm to us, and anti-microbiotic in the whole world and cry are more and more stronger now.In this case, people have to seek other method, so expected silver-colored this powerful broad-spectrum sterilization material, people have increased the interest of silver.According to U.S.'s science abstract in 1978, silver can be killed 650 kinds of different pathogenic agent, and general microbiotic on average can only play effect to 6 kinds of germs; Different with microbiotic, silver is " saboteur of equal opportunity ", and it effectively kills various bacteriums (G+ and G-bacterium, spore production bacteria), fungi/yeast, virus, mycoplasma and parasite etc. without distinction.Silver all produces the effect of inhibition to the existence of nearly all bacterium known today and extracellular virus, simultaneously, because concentration is low harmless, and can not produce any resistance (Senior Technical Adviser of Samuel Etris silver association).Modern science constantly confirms the effect of silver ions, and NASA (NASA) regards as safest disinfectant to silver, makes universe ship drinking vessel and cleaner with silver as main material.The water cleaning systems based on silver has been selected by whole world airlines more than half.
Nanostructure silver owing to its distinctive small-size effect, surface effects, quantum size effect, quantum tunneling effect have plain metal silver incomparable excellent antibacterial effect.The method for preparing at present nanostructure silver anti-biotic material mainly contains modification method, top coat method, pickling process, but all exists not enough.
Summary of the invention:
The object of the present invention is to provide a kind of antibacterial makrolon film that utilizes the magnetron sputtering technique preparation, can be widely used in safety glasses, helmet, thin film switch, panel board, touch-screen, fields such as display panels.
The present invention solves the technical scheme that is adopted: a kind of antibacterial makrolon film that utilizes the magnetron sputtering technique preparation: at ambient temperature, with purity is that 99.99% silver is target, the polycarbonate film base material of 0.5mm thickness is fixed on the specimen holder, adopt base material last, target under structure, utilize magnetron sputtering technique sputter mode from bottom to top to prepare the nanometer silver thin film layer again, in the sputter procedure, adopting purity is that 99.99% argon gas is a working gas, the distance of target and base material is 185mm, and the base vacuum degree is 5 * 10
-4Pa, film thickness is measured control by the film thickness instrument.
In above-mentioned making processes, specimen holder is with the rotating speed rotation of 85r/min.
The present invention utilizes magnetron sputtering technique, at polycarbonate sheet surface deposition nanostructure silver film, realizes the antibacterial functionalized of polycarbonate sheet, the excellent antibacterial effect.
Embodiment:
A kind of antibacterial makrolon film that utilizes the magnetron sputtering technique preparation, its specific implementation method is as follows: at ambient temperature, with purity is that 99.99% silver is target, the polycarbonate film base material of 0.5mm thickness is fixed on the specimen holder, adopt base material last, target under structure, utilize magnetron sputtering technique sputter mode from bottom to top to prepare the nanometer silver thin film layer again, in the sputter procedure, adopting purity is that 99.99% argon gas is a working gas, the distance of target and base material is 185mm, and the base vacuum degree is 5 * 10
-4Pa, film thickness is measured control (thickness generally by radionetric survey, feeds back on the screen of test again) by the film thickness instrument.In above-mentioned making processes, specimen holder is with the rotating speed rotation of 85r/min.
Be carried on the inorganic natural mineral carrier by metal ion type nano-antibacterial silver ions, the antibiotic ion component-silver ions of carrier energy slowly-releasing during use, silver ions has destroyed the energy metabolism effect of bacterial cell, has stoped the breeding of microorganism.In addition, antibacterial metal ions can also react with functional groups such as the sulfydryls, amido that exist in protein in the biology, the nucleic acid, or enter somatic cells with reactions such as the enzyme of cell and DNA, hinder the biological chemistry building-up process and the physiological function of microbe, make it have antibiotic and sterilization effects.
Be performance test that antibacterial makrolon film of the present invention has been done below with and test result.
Performance test:
With intestinal bacteria (gram-negative bacteria) and streptococcus aureus (gram-positive bacteria) is bacterial classification, with reference to GB15979-2002 " disposable use sanitary product hygienic standard ", adopts the shaking flask method that sample is carried out the anti-microbial property test.The anti-microbial property of sample is estimated by bacteriostasis rate, and calculation formula is: Xs=(A-B)/A * 100%, and in the formula: Xs is a bacteriostasis rate, and A is an average colony number before the tested sample vibration, and B is the average colony number in tested sample vibration back.If the average colony number after the vibration is greater than the preceding average colony number of vibration, bacteriostasis rate calculates by 0.
Test result such as following table:
By the data in the table as can be seen, substantially the ability that does not possess Chinese People's Anti-Japanese Military and Political College enterobacteria and streptococcus aureus without the polycarbonate sheet of coating processing, bacteriostasis rate all deposits the sample of nanostructure silver film less than 6%., for colibacillary bacteriostasis rate all greater than 87%, bacteriostasis rate for streptococcus aureus has all reached 100%, and surface nano-structure silver has excellent anti-microbial property.In addition, under identical sputtering condition, the nanostructure of polycarbonate sheet silver film, and can property strengthen with the increase of thickness is antibiotic greater than to colibacillary inhibition ability gradually to the inhibition ability of streptococcus aureus.Consider production cost factor and anti-microbial property, the gauge control of nano silver plating is the most suitable at 1nm.
Claims (2)
1. antibacterial makrolon film that utilizes magnetron sputtering technique preparation, it is characterized in that: at ambient temperature, with purity is that 99.99% silver is target, the polycarbonate film base material of 0.5mm thickness is fixed on the specimen holder, adopt base material last, target under structure, utilize magnetron sputtering technique sputter mode from bottom to top to prepare the nanometer silver thin film layer again, in the sputter procedure, adopting purity is that 99.99% argon gas is a working gas, the distance of target and base material is 185mm, and the base vacuum degree is 5 * 10
-4Pa, film thickness is measured control by the film thickness instrument.
2. the antibacterial makrolon film that utilizes the magnetron sputtering technique preparation according to claim 1 is characterized in that: in above-mentioned making processes, specimen holder is with the rotating speed rotation of 85r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105695780A CN102011095A (en) | 2010-12-02 | 2010-12-02 | Antibiosis polycarbonate film prepared by magnetron sputtering technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105695780A CN102011095A (en) | 2010-12-02 | 2010-12-02 | Antibiosis polycarbonate film prepared by magnetron sputtering technology |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102899623A (en) * | 2012-08-29 | 2013-01-30 | 昆山铁牛衬衫厂 | Method for depositing nano-grade TiO2 film on textile material |
| CN104339654A (en) * | 2013-08-01 | 2015-02-11 | 曹正尚 | Preparation method of composite composition |
| CN104372301A (en) * | 2014-11-21 | 2015-02-25 | 国家纳米科学中心 | Method for preparing monodisperse size-controllable nanosilver particles by using radio frequency magnetron sputtering method |
| CN104695209A (en) * | 2013-12-05 | 2015-06-10 | 江南大学 | Novel antibacterial textile fabric preparation method |
-
2010
- 2010-12-02 CN CN2010105695780A patent/CN102011095A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102899623A (en) * | 2012-08-29 | 2013-01-30 | 昆山铁牛衬衫厂 | Method for depositing nano-grade TiO2 film on textile material |
| CN104339654A (en) * | 2013-08-01 | 2015-02-11 | 曹正尚 | Preparation method of composite composition |
| CN104695209A (en) * | 2013-12-05 | 2015-06-10 | 江南大学 | Novel antibacterial textile fabric preparation method |
| CN104372301A (en) * | 2014-11-21 | 2015-02-25 | 国家纳米科学中心 | Method for preparing monodisperse size-controllable nanosilver particles by using radio frequency magnetron sputtering method |
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Application publication date: 20110413 |