CN101341882A - Preparation method and application of nano-silver antibacterial powder - Google Patents
Preparation method and application of nano-silver antibacterial powder Download PDFInfo
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- CN101341882A CN101341882A CNA2008100300072A CN200810030007A CN101341882A CN 101341882 A CN101341882 A CN 101341882A CN A2008100300072 A CNA2008100300072 A CN A2008100300072A CN 200810030007 A CN200810030007 A CN 200810030007A CN 101341882 A CN101341882 A CN 101341882A
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- powder
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- silver antimicrobial
- silver
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- 239000000843 powder Substances 0.000 title claims abstract description 86
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims description 13
- 230000000844 anti-bacterial effect Effects 0.000 title abstract 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 239000010445 mica Substances 0.000 claims abstract description 7
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 7
- 230000000845 anti-microbial effect Effects 0.000 claims description 32
- 230000003115 biocidal effect Effects 0.000 claims description 22
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 15
- 239000000243 solution Substances 0.000 claims description 15
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 10
- 239000012752 auxiliary agent Substances 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 10
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 10
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 10
- 235000015511 Liquidambar orientalis Nutrition 0.000 claims description 5
- 239000004870 Styrax Substances 0.000 claims description 5
- 235000000126 Styrax benzoin Nutrition 0.000 claims description 5
- 229960000583 acetic acid Drugs 0.000 claims description 5
- 230000032683 aging Effects 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 238000000498 ball milling Methods 0.000 claims description 5
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 239000013530 defoamer Substances 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 5
- 239000012362 glacial acetic acid Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- -1 optical brightener Substances 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 5
- 239000000049 pigment Substances 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 229920000728 polyester Polymers 0.000 claims description 5
- 229920006395 saturated elastomer Polymers 0.000 claims description 5
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 claims description 3
- 244000028419 Styrax benzoin Species 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 229910052709 silver Inorganic materials 0.000 abstract description 2
- 239000004332 silver Substances 0.000 abstract description 2
- 230000001954 sterilising effect Effects 0.000 abstract description 2
- 239000002932 luster Substances 0.000 abstract 1
- 238000004659 sterilization and disinfection Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 241000736148 Styrax Species 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910000989 Alclad Inorganic materials 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 238000010622 cold drawing Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002070 germicidal effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to a method for preparing nano-silver antibacterial powder and application thereof. The nano silver antibacterial powder can be sprayed on the surface of the cavity of the heating container. The nano-silver antibacterial powder has high sterilization efficiency, simple and convenient manufacturing method and low manufacturing cost. The nano silver antibacterial powder is sprayed on the surface of the microwave oven cavity, has long-acting antibacterial effect, and simultaneously, the nano silver antibacterial powder is doped with a certain amount of flash mica powder, so that the cavity has rich appearance color, luster and silver flash effect.
Description
Technical field
The present invention is a kind of preparation method and application thereof of nano-silver antimicrobial powder, belongs to the preparation method of nano-silver antimicrobial powder and the renovation technique of application thereof.
Background technology
Existing heating container cavity, as microwave oven cavity, it is made and adopts stainless steel material to process usually, perhaps with again its surface being handled and formed through powder injection process after the common iron processing, because stainless steel material and common iron itself do not have the antibiotic and sterilizing effect; And micro-wave oven is an instrument of cooking, in the process that people often cook, there is swill etc. to fall in cavity unavoidably, during for a long time without micro-wave oven, swill in the cavity be easy to generate bacterium, mouldy, peculiar smell arranged, healthy unfavorable to the user.
Summary of the invention
The objective of the invention is to consider the problems referred to above and a kind of making preparation method of nano-silver antimicrobial powder simply and easily is provided.
Another object of the present invention is to provide a kind of nano-silver antimicrobial powder is applied in the heating container cavity.
Technical scheme of the present invention is:
The preparation method of nano-silver antimicrobial powder of the present invention, it comprises following steps:
1) getting content is 10~25% nanometer Sio2 Sol A liter; The silver nitrate aqueous solution 0.5A liter that under the condition of high-speed stirred, adds 1-2%; Under the condition of high-speed stirred, progressively add 1.5~3% softex kw solution 0.5A liter again; Above-mentioned solution is heated to 20~40 ℃, and high-speed stirred is 20~40 minutes then; The mixed liquor that adds tetrabutyl titanate 0.05A~0.1A liter, the eleventh of the twelve Earthly Branches propyl alcohol 0.08A~0.15A liter, glacial acetic acid 0.01A~0.02A liter mixes high-speed stirred; Above-mentioned solution is carried out ageing after 20~30 hours, under 90~120 ℃ environment, carry out drying, obtain micron-sized inorganic antibiosis powder; Wherein A is the numerical value greater than zero, and the content of each component is mass percent.
2) will be by the inorganic antibiosis powder of step 1) gained, 0~20 micron TiO2 that adds equal quality carries out mixing and ball milling, stirs, and makes the composite antibiosis powder;
3) with saturated polyester 30%, E-12 epoxy resin 30%, filler blanc fixe 15%, TiO2 material 20%, other auxiliary agent 5%, under 110 ℃~120 ℃ condition, adopt high speed mixer to carry out high-speed physical and mixed 10~20 minutes, push with extruder again and extrude; The sheet stock of extruding is pulverized with cracker, adopts work 180 purpose mesh sieves again and screens powder at the bottom of the powder that sifts out;
4) get by powder 98% at the bottom of the resulting powder of step 3), add by step 2) the composite antibiosis powder 2% of gained, adopt high speed mixer to mix, obtain nano-silver antimicrobial powder.
Above-mentioned other auxiliary agent comprises levelling agent FC-100, defoamer, the pearl mica powder of 10~15 little material, optical brightener, styrax, pigment.
The application of nano-silver antimicrobial powder of the present invention, it is sprayed on the surface of heating container cavity with nano-silver antimicrobial powder.
Above-mentioned heating container cavity is a microwave oven cavity.
Nano-silver antimicrobial powder germicidal efficiency height of the present invention, its preparation method is simple and convenient, low cost of manufacture.Nano-silver antimicrobial powder of the present invention is sprayed on the microwave cavity surface, has the effect of long acting antibiotic, and simultaneously, nano-silver antimicrobial powder of the present invention so the cavity appearance color is abundant, glossy, has the effect of dodging silver owing to mixed a certain amount of flash of light mica powder.
Embodiment
Embodiment 1:
The preparation method of nano-silver antimicrobial powder of the present invention, it comprises following steps:
1) getting content is 10 liters of 20% nanometer Sio2 colloidal sols; 5 liters of the silver nitrate aqueous solutions of adding 1.5% under the condition of high-speed stirred; Under the condition of high-speed stirred, progressively add 5 liters of 2% softex kw solution again; Above-mentioned solution is heated to 30 ℃, and high-speed stirred is 30 minutes then; The mixed liquor that adds tetrabutyl titanate 0.8L, 1.2 liters of the eleventh of the twelve Earthly Branches propyl alcohol, 0.15 liter in glacial acetic acid mixes high-speed stirred 1 hour; Above-mentioned solution is carried out ageing after 24 hours, under 90~120 ℃ environment, carry out drying, obtain micron-sized inorganic antibiosis powder; The content of each component is mass percent;
2) will be by the inorganic antibiosis powder of step 1) gained, 0~20 micron TiO2 that adds equal quality carries out mixing and ball milling, stirs, and makes the composite antibiosis powder;
3) with saturated polyester 30%, E-12 epoxy resin 30%, filler blanc fixe 15%, TiO2 material 20%, other auxiliary agent 5%, under 115 ℃ condition, adopt high speed mixer to carry out high-speed physical and mixed 15 minutes, push with extruder again and extrude; The sheet stock of extruding is pulverized with cracker, adopts work 180 purpose mesh sieves again and screens powder at the bottom of the powder that sifts out;
4) get by powder 98% at the bottom of the resulting powder of step 3), add by step 2) the composite antibiosis powder 2% of gained, adopt high speed mixer to mix, obtain nano-silver antimicrobial powder.
Above-mentioned other auxiliary agent comprises levelling agent FC-100, defoamer, the pearl mica powder of 10~15 little material, optical brightener, styrax, pigment.
The application of nano-silver antimicrobial powder of the present invention, it is sprayed on the surface of heating container cavity with nano-silver antimicrobial powder.
Above-mentioned heating container cavity is a microwave oven cavity.The manufacturing materials of microwave oven cavity is cold drawing, galvanized sheet, alclad sheet etc., surface spraying one deck nano-silver antimicrobial powder and forming within it again after making of these common materials.In the present embodiment, the manufacturing materials of microwave oven cavity is a galvanized sheet.
Embodiment 2:
The preparation method of nano-silver antimicrobial powder of the present invention, it comprises following steps:
The preparation method of nano-silver antimicrobial powder of the present invention, it comprises following steps:
1) getting content is 100 liters of 10% nanometer Sio2 colloidal sols; 50 liters of the silver nitrate aqueous solutions of adding 1% under the condition of high-speed stirred; Under the condition of high-speed stirred, progressively add 50 liters of 1.5% softex kw solution again; Above-mentioned solution is heated to 20 ℃, and high-speed stirred is 20 minutes then; The mixed liquor that adds 8 liters of tetrabutyl titanates, 10 liters of the eleventh of the twelve Earthly Branches propyl alcohol, 1.5 liters in glacial acetic acid mixes high-speed stirred 1 hour; Above-mentioned solution is carried out ageing after 20~30 hours, under 90~120 ℃ environment, carry out drying, obtain micron-sized inorganic antibiosis powder; Wherein A is the numerical value greater than zero, and the content of each component is mass percent.
2) will be by the inorganic antibiosis powder of step 1) gained, 0~20 micron TiO2 that adds equal quality carries out mixing and ball milling, stirs, and makes the composite antibiosis powder;
3) with saturated polyester 30%, E-12 epoxy resin 30%, filler blanc fixe 15%, TiO2 material 20%, other auxiliary agent 5%, under 110 ℃~120 ℃ condition, adopt high speed mixer to carry out high-speed physical and mixed 10~20 minutes, push with extruder again and extrude; The sheet stock of extruding is pulverized with cracker, adopts work 180 purpose mesh sieves again and screens powder at the bottom of the powder that sifts out;
4) get by powder 98% at the bottom of the resulting powder of step 3), add by step 2) the composite antibiosis powder 2% of gained, adopt high speed mixer to mix, obtain nano-silver antimicrobial powder.
Above-mentioned other auxiliary agent comprises levelling agent FC-100, defoamer, the pearl mica powder of 10 little material, optical brightener, styrax, pigment.
The application of nano-silver antimicrobial powder of the present invention, it is sprayed on the surface of heating container cavity with nano-silver antimicrobial powder.
Above-mentioned heating container cavity is a microwave oven cavity.
Embodiment 3:
The preparation method of nano-silver antimicrobial powder of the present invention, it comprises following steps:
1) getting content is 50 liters of 15% nanometer Sio2 colloidal sols; 25 liters of the silver nitrate aqueous solutions of adding 1.5% under the condition of high-speed stirred; Under the condition of high-speed stirred, progressively add 25 liters of 2% softex kw solution again; Above-mentioned solution is heated to 20~40 ℃, and high-speed stirred is 20~40 minutes then; The mixed liquor that adds 5 liters of tetrabutyl titanates, 4 liters of the eleventh of the twelve Earthly Branches propyl alcohol, 0.5 liter in glacial acetic acid mixes high-speed stirred 1 hour; Above-mentioned solution is carried out ageing after 20~30 hours, under 90~120 ℃ environment, carry out drying, obtain micron-sized inorganic antibiosis powder; Wherein A is the numerical value greater than zero, and the content of each component is mass percent.
2) will be by the inorganic antibiosis powder of step 1) gained, 0~20 micron TiO2 that adds equal quality carries out mixing and ball milling, stirs, and makes the composite antibiosis powder;
3) with saturated polyester 30%, E-12 epoxy resin 30%, filler blanc fixe 15%, TiO2 material 20%, other auxiliary agent 5%, under 110 ℃~120 ℃ condition, adopt high speed mixer to carry out high-speed physical and mixed 10~20 minutes, push with extruder again and extrude; The sheet stock of extruding is pulverized with cracker, adopts work 180 purpose mesh sieves again and screens powder at the bottom of the powder that sifts out;
4) get by powder 98% at the bottom of the resulting powder of step 3), add by step 2) the composite antibiosis powder 2% of gained, adopt high speed mixer to mix, obtain nano-silver antimicrobial powder.
Above-mentioned other auxiliary agent comprises levelling agent FC-100, defoamer, the pearl mica powder of 10~15 little material, optical brightener, styrax, pigment.
The application of nano-silver antimicrobial powder of the present invention, it is sprayed on the surface of heating container cavity with nano-silver antimicrobial powder.
Above-mentioned heating container cavity is a microwave oven cavity.
Claims (4)
1, a kind of preparation method of nano-silver antimicrobial powder is characterized in that comprising following steps:
1) getting content is 10~25% nanometer Sio2 Sol A liter; The silver nitrate aqueous solution 0.5A liter that under the condition of high-speed stirred, adds 1-2%; Under the condition of high-speed stirred, progressively add 1.5~3% softex kw solution 0.5A liter again; Above-mentioned solution is heated to 20~40 ℃, and high-speed stirred is 20~40 minutes then; The mixed liquor that adds tetrabutyl titanate 0.05A~0.1A liter, the eleventh of the twelve Earthly Branches propyl alcohol 0.08A~0.15A liter, glacial acetic acid 0.01A~0.02A liter mixes high-speed stirred; Above-mentioned solution is carried out ageing after 20~30 hours, under 90~120 ℃ environment, carry out drying, obtain micron-sized inorganic antibiosis powder; Wherein A is the numerical value greater than zero, and the content of each component is mass percent.
2) will be by the inorganic antibiosis powder of step 1) gained, 0~20 micron TiO2 that adds equal quality carries out mixing and ball milling, stirs, and makes the composite antibiosis powder;
3) with saturated polyester 30%, E-12 epoxy resin 30%, filler blanc fixe 15%, TiO2 material 20%, other auxiliary agent 5%, under 110 ℃~120 ℃ condition, adopt high speed mixer to carry out high-speed physical and mixed 10~20 minutes, push with extruder again and extrude; The sheet stock of extruding is pulverized with cracker, adopts work 180 purpose mesh sieves again and screens powder at the bottom of the powder that sifts out;
4) get by powder 98% at the bottom of the resulting powder of step 3), add by step 2) the composite antibiosis powder 2% of gained, adopt high speed mixer to mix, obtain nano-silver antimicrobial powder.
2, the preparation method of nano-silver antimicrobial powder according to claim 2 is characterized in that above-mentioned other auxiliary agent comprises levelling agent FC-100, defoamer, the pearl mica powder of 10~15 little material, optical brightener, styrax, pigment.
3, a kind of application of nano-silver antimicrobial powder is characterized in that being sprayed on nano-silver antimicrobial powder the surface of heating container cavity.
4, the application of nano-silver antimicrobial powder according to claim 3 is characterized in that above-mentioned heating container cavity is a microwave oven cavity.
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CNA2008100300072A CN101341882A (en) | 2008-08-05 | 2008-08-05 | Preparation method and application of nano-silver antibacterial powder |
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CNA2008100300072A CN101341882A (en) | 2008-08-05 | 2008-08-05 | Preparation method and application of nano-silver antibacterial powder |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101921534A (en) * | 2010-09-27 | 2010-12-22 | 天津翔盛粉末涂料有限公司 | Antibacterial powder coating for radiator |
CN102210324A (en) * | 2010-04-09 | 2011-10-12 | 中国科学院海洋研究所 | Selective bactericide with composite nanoparticles as well as preparation and application thereof |
CN103828840A (en) * | 2012-11-21 | 2014-06-04 | 青岛美格斯科技有限公司 | Antibacterial powder and preparation method thereof |
CN105371311A (en) * | 2014-08-29 | 2016-03-02 | 怀宁县宝友工贸有限公司 | Anti-radiation microwave oven |
CN108435515A (en) * | 2018-03-20 | 2018-08-24 | 江西赣大材料技术研究有限公司 | A kind of copper nano composite antibacterial coating and preparation method thereof |
-
2008
- 2008-08-05 CN CNA2008100300072A patent/CN101341882A/en active Pending
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102210324A (en) * | 2010-04-09 | 2011-10-12 | 中国科学院海洋研究所 | Selective bactericide with composite nanoparticles as well as preparation and application thereof |
CN102210324B (en) * | 2010-04-09 | 2013-06-19 | 中国科学院海洋研究所 | Selective bactericide with composite nanoparticles as well as preparation and application thereof |
CN101921534A (en) * | 2010-09-27 | 2010-12-22 | 天津翔盛粉末涂料有限公司 | Antibacterial powder coating for radiator |
CN101921534B (en) * | 2010-09-27 | 2012-08-08 | 天津翔盛粉末涂料有限公司 | Antibacterial powder coating for radiator |
CN103828840A (en) * | 2012-11-21 | 2014-06-04 | 青岛美格斯科技有限公司 | Antibacterial powder and preparation method thereof |
CN105371311A (en) * | 2014-08-29 | 2016-03-02 | 怀宁县宝友工贸有限公司 | Anti-radiation microwave oven |
CN108435515A (en) * | 2018-03-20 | 2018-08-24 | 江西赣大材料技术研究有限公司 | A kind of copper nano composite antibacterial coating and preparation method thereof |
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Open date: 20090114 |