CN101125970A - Antibiotic coat - Google Patents
Antibiotic coat Download PDFInfo
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- CN101125970A CN101125970A CNA2006100474770A CN200610047477A CN101125970A CN 101125970 A CN101125970 A CN 101125970A CN A2006100474770 A CNA2006100474770 A CN A2006100474770A CN 200610047477 A CN200610047477 A CN 200610047477A CN 101125970 A CN101125970 A CN 101125970A
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- rare earth
- antimicrobial coating
- coating
- described antimicrobial
- inorganic antiseptic
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Abstract
The invention relates to a bacteria-resistant coating which is characterized in that the coating material comprises at least one component of 0.01-20wt percent of inorganic bacteria-resistant agent or rare earth salt or rare earth oxide containing Ag-Zn, and the rest is other components. The invention has lasting bacteria resistance performance, wide bacteria resistance application range and provides prior materials with new healthy function and is beneficial to dramatically improving bacteria resistance performance level of traditional products.
Description
Technical field
The present invention relates to Materials science, provide especially a kind of use range wide, cheap, can give the antimicrobial coating of usual production surface with anti-microbial property.
Background technology
Along with The development in society and economy, the chance that people associate in public is more and more, and the probability that infects various germs is also increasing.In recent years, antibiotic notion and product are more and more paid close attention to by everybody.
In the prior art, antimicrobial coating is used comparatively widely, especially in being directed to various places of causing people's cross infection easily (as the surface of article such as the isolation railing of stair, call box, rubbish container and the road in public place or family kitchen articles for use and facility, foodstuffs industry relevant device and vessel, medicine equipment), the use of antimicrobial coating has brought huge value for people's production and life.
But there is following problem demanding prompt solution in existing antimicrobial coating: universality is poor, and is higher to base material requires, the preparation work complexity of coating, and the cost in coating material cost and the operation and maintenance process is higher.People wish to obtain that a kind of use range is wide, cheap, operation and maintenance is easy, good anti-bacterial effect, cost performance height, can give the novel antibacterial coating of usual production surface with anti-microbial property.
Metals such as silver, copper, zinc, titanium are one of human anti-biotic materials of being familiar with the earliest and utilizing.Before more than 4000 years, just with the sterilization of Copper Pot water storage, the soldier of ancient Greek in B.C. 5th century is filled with water directly to drink to ward off disease with silverware and propagates in army in India, and the Ancient Times in China imperial palace also adopts silverware as table ware.Metal ion all has strong or weak sterilizing ability, have according to the ordering of germ resistance size: Hg＞Ag＞Cd＞Cu＞Zn＞Fe＞Ni[is referring to reference 1:Fumiyasu Ishiguro, Takeshi Nishkawa, Ryozo Amano et al, Development of Nickel-ChromiumCoating with Antibacterial Performance, [J] .Materia Japan, 1999,38 (1): 64-66].But consider from the security aspect of metal ion, it is arranged as: Ag＞Co＞Ni＞Al＞Zn＞Cu=Fe＞Mn＞Sn＞Ba＞Mg＞Ca[is referring to reference 1 (as mentioned above) and reference 2:Ellis G.P, Luscombc D.K., Progress in MedicabieChemistry, 1994,81,351], most widely used in the present inorganic antibacterial material is Ag system, Cu system and Zn system.
Silver have excellent broad-spectrum antibacterial action [referring to reference 3:T.J.Berger, J.A.Spadaro, S.Chapin, R.O.Becker, Antimicrob, Agents Chemother, 1976, (9): 357; Reference 4:J.A.Spadaro, T.J.Berger, S.D.Barranco, S.E.Chapin, R.O.Becker, Antimicrob, Agents Chemother, 1974, (6): 637], used many years safely [referring to reference 5:Ersek R at field of medicaments, Silver impregnated porcine xenografts for treatment of meshedautografts, Ann Plast Surg, 1984,13:325-30; Reference 6:Hu C, Therapeutic effects of silver nylon dressings with weak directcurrent on pseudomonas aeruginosa infected burn wounds, J Trauma, 1988,28:1488-92; Reference 7:Liedberg H, Silver alloy coated cathetersreduce catheter-associated bacteriuria, Br J Urol, 1990,65:379-81; Reference 8:Stamm W, Catheter-associated urinary tract infections:epidemiology, pathogenesis and prevention, Am J Med, 1991,91:65-71; Reference 9:Johnson J, Prevention of catheter-associated urinarytract infection with a silver oxide coated urinary catheter:clinicaland microbiologic correlates, J Infect Dis, 1990,162:1145-50; Reference 10:Babycos C, A prospective randomized trial comparing thesilver-impregnated cuff with the bedside tunneled subclaviancatheter, J Patenter Enteral Nutr, 1993,17:61-3].Silver be widely used in aspects such as medical bandage, catheter, vascular repair [referring to reference 11:S.Saint, J.G.Elmore, S.D.Sullivan, S.S.Emerson, T.D.Koepsell, Am.J.Med, 1998,105 (3): 236; Reference 12:J.I.Greenfeld, L.Sampath, S.J.Popilskis, S.R.Brunnert, S.Stylianos, S.Modak, Crit, Care Med, 1995,23 (5): 894; Reference 13:R.J.McLean, A.A.Hussain, M.Sayer, P.J.Vincent, D.J.Hughes, T.J.Smith, Can, J.Microbiol, 1993,39 (9): 895], silver also is used in the plastic surgery operations.Silver is compared as the stainless steel of surgery embedded material with commonly used, it does not only have genetoxic but also do not have cytotoxicity, and good cell compatibility is arranged [referring to reference 14:M.Bosetti with histocyte, A.Masse, E.Tobin, M.Cannas, Silver coated materials for external fixation devices:invitro biocompatibility and genotoxicity, Biomaterials, 2002,23:887-892; Reference 15:D.P.Dowling, K.Donnelly, M.L.McConnell, R.Eloy, M.N.Arnaud, Deposition of anti-bacterial silver coatingson polymeric substrates, Thin Solid Films, 2001, (398-399): 602-606].People such as Bishop [referring to reference 16:J.B.Bishop, L.G.Phillips, T.A.Mustoe, A.J.VanderZee, L.Wiersema, D.E.Roach, J.P.Heggers, D.P.Hill, E.L.Taylor, M.C.Robson, J.Vasc, Surg, 1992,16 (2): 251] when silting ulcer up, the treatment vein finds that silver is except anti-microbial effect, also has antiinflammation, the speed that it can accelerating wound.Since nineteen sixty-eight Fox synthesizes Sulfadiazine Silver with Suthogen and Silver Nitrate, Sulfadiazine Silver is just using [referring to reference 17:Wright JB as a kind of antibacterials of the very effective postoperative infection that prevents to burn always, Lam K, Burrell RE, Woundmanagement in an era of increasing bacterial antibiotic resistance; A role for topical silver treatment, Am J Infect Control 1998; 26:572-7], the biological ceramics that uses in the bone prosthesis (hydroxyapatite) lining adds Ag
+, Cu
++, Zn
++Plasma or be compounded with these ionic ceramic powder, can eliminate in the transplantation since bacterial inflammation and infection [referring to reference 18:Qing Ling Feng, Taik Nam Kim, JingWu, Eui Seo Park, Jong Ock Kim, Dae Young Lim, Fu Zhai Cui, Antibacterial effects of Ag-Hap thin films on alumina substrates, Thin Solid Films, 1998, (335): 214-219], wherein best to add Ag+ ionic antibacterial effect again [referring to reference 19:T.N.Kim, Q.L. Feng, J.O.Kim, et.al., J.Mater.Sci.Mater.Med, 1998, (9): 129].Silver, zinc all are elements commonly used in antiseptic-germicide and the antimicrobial product, life-time service prove have no side effect [referring to reference 20: open civilian bell-shaped percussion instrument, used in ancient time by troops on march, Zhang Yutian, the research and development of Ag-carried antibacterial material, New Chemical Materials, 1997,7:20-22; Referring to reference 21: Zhu Min, the antiplaque mechanism of zinc and clinical effect characteristic, foreign medical science stomatology fascicle, 1995,22 (3): 135-137], zinc is also used safely [referring to reference 22:BEATA CZARNECKA in dental material, HONORATA LIMANOWSKA-SHAW, JOHN W.NICHOLSON, Ion-release, dissolution and buffering by zinc phosphatedental cements, Journal of Materials Sciences:Materials in Medicine, 14 (2003): 601-604].
Since nineteen seventies, China has just carried out the rare earth toxicologic study, and spells out rare earth element and belong to the hypotoxicity material [referring to reference 23: Gao Jinzhang, Long Quanjiang, Yang Tao, Northwest Normal University's journal, Vol38 (1) (2002): 108-111].
Though the rare earth medicine also needs deep research aspect the mechanism of action, it is pharmaceutically obtaining a lot of application.For example: the application aspect antithrombotic reagent, burn medicine, anti-inflammatory, germ killing drugs, arteriosclerosis medicine, radionuclide and antitumor drug, and the rare earth medicine analgesia, stop patient's sweating, hypoglycemic, make the application of aspects such as sunscreen, anti-inflammatory frost.People also utilize rare earth element to make rare earth fertilizer, rare earth application sterilant [referring to reference 24: Chinese patent CN1032281A; Reference 25: Chinese patent application numbers 88102860.6, publication number 1032281; Reference 26: Mu Kangguo etc., the progress of rare earth element controlling plant diseases, Chinese rare-earth journal, 2003,21 (1): 1-5], rare-earth forage additive is [referring to reference 27: Chinese patent application numbers 94115865.9, publication number 1105819; Reference 28: Chinese patent application numbers 200410059991.7, publication number 1586270] etc.In the above-mentioned rare-earth products, the rare earth element that embodies that has has anti-microbial effect.Rare-earth element cerium is the antibacterial metal element equally, someone thinks: cerium, lanthanum etc. and silver have close antibacterial ability [referring to reference 29: open east, antibiotic concrete research, New Building Materials, 2002, (4): 13-14], other rare earth element also has anti-microbial effect, silver share with zinc and rare earth element, can enlarge the antimicrobial spectrum of anti-biotic material, and can strengthen the antibacterial ability of anti-biotic material.
Therefore, the anti-biotic material that uses inorganic antibacterial material such as Ag system, Zn system or use to contain rare earth element has huge potential value.
Summary of the invention
The purpose of this invention is to provide a kind of use range wide, cheap, can give the antimicrobial coating of usual production surface with good anti-microbial property.
The invention provides a kind of antimicrobial coating, it is characterized in that: being constructed as follows of this coated material: contain at least a in Ag-Zn inorganic antiseptic, rare earth salts, the rare earth oxide: weight percent content is 0.01%～20%; Other conventional coatings compositions or the coating ingredients that designs voluntarily: surplus.
Preferably being constructed as follows of described antimicrobial coating material: contain at least a in Ag-Zn inorganic antiseptic, rare earth salts, the rare earth oxide: weight percent content is 0.5%～5%; Other conventional coatings compositions or the coating ingredients that designs voluntarily: surplus.(some place hereinafter, weight percent content is represented with wt%.)
In the antimicrobial coating of the present invention, one of preferred content is: contain the Ag-Zn inorganic antiseptic by Ag
2SO
4, Ag
2O
2And ZnO
2And a kind of or combinations thereof in their the carrier material, the above material is the commercially available prod, also processing and manufacturing voluntarily.
In the described antimicrobial coating, described rare earth element is any one or its arbitrary combination among La (lanthanum), Ce (cerium), Pr (praseodymium), Nd (neodymium), Y (yttrium), Gd (gadolinium), the Yb (ytterbium).
Described rare earth salts is at least a in the nitrate of rare earth or the muriate.Described material is the commercially available prod.
Described antimicrobial coating can be applied on the body material of following these kinds: plastics, timber, aluminium, stainless steel, other metallic substance, stone material etc.
Antimicrobial coating (liquid state or powder coating) is attached on the body material can to adopt methods such as brushing or spraying to incite somebody to action as mentioned above.
Anti-microbial property of the present invention is lasting, antibacterial range is wide, and can give existing material with new healthy functions, helps to promote significantly the class of traditional material product anti-microbial property.
Description of drawings
The present invention is further detailed explanation below in conjunction with drawings and the embodiments.
The calcium phosphate coating surface topography that contains the Ag-Zn inorganic antiseptic
Fig. 1 is not for containing the calcium phosphate coating surface topography of Ag-Zn inorganic antiseptic;
Fig. 2 contains the calcium phosphate coating surface topography that weight percentage is 1.0% Ag-Zn inorganic antiseptic;
Fig. 3 contains the calcium phosphate coating surface topography that weight percentage is 3.7% Ag-Zn inorganic antiseptic;
Fig. 4 contains the calcium phosphate coating surface topography that weight percentage is 5.0% Ag-Zn inorganic antiseptic;
Fig. 5 is that to contain weight percentage be Ag-Zn inorganic antiseptic+2%CeO of 1.0%
2Calcium phosphate coating;
Fig. 6 is 3.7wt%Ag-Zn inorganic antiseptic+2%CeO for containing weight percentage
2Calcium phosphate coating;
Fig. 7 is 5.0wt%Ag-Zn inorganic antiseptic+2%CeO for containing weight percentage
2Calcium phosphate coating.
Embodiment
Embodiment 1
1, specimen preparation:
The sample of OCr18Ni9Ti stainless steel plate (40 * 40) mm that 4mm is thick is through oil removing, sandblasting, with analytical pure calcium phosphate and Ag-Zn inorganic antiseptic and and CeO
2Press the weighing of composition proportion shown in the table 1, mix the back and in ball mill, mix, make the antimicrobial coating mixed powder.Adopt plasma spraying method then, mixed powder and the unmixing pure phosphoric acid calcium powder for preparing sprayed on the sample respectively.The sample that does not contain the Ag-Zn inorganic antiseptic is a control sample.
2, antibacterial experiment:
The sample and the control sample that the surface of (40 * 40) mm are contained antiseptic elements carry out antibacterial experiment.The intestinal bacteria ATCC 8099 that the experiment microbial strains adopts Microbiology and Epidemic Disease Inst., Academy of Military-Medical Sciences (C to provide, streptococcus aureus ATCC 6538.Antibacterial tests is undertaken by QB/T2591-2003 " antibiotic plastic---anti-microbial property test method and antibacterial effect ".The concentration of intestinal bacteria ATCC 8099 and streptococcus aureus ATCC 6538 is chosen as 2.8 * 10 respectively
5And 9 * 10
5Cfu/ml.After experiment finishes, press GB 4789.2 " microbiological test of food hygiene---total number of bacterial colony method for measuring " and measure viable count.With condition antibacterial tests triplicate, average.The calculation formula of sterilizing rate is:
Viable count in the formula is the viable count behind the antibacterial experiment.
Table 1 coating formula
| Specimen coding | Ag-Zn complex antimicrobials (wt.%) | CeO 2(wt.％) | Ca 3(PO4) 2(wt.％) |
| Contrast | Surplus | ||
| 1 | 1.0 | Surplus | |
| 2 | 3.7 | Surplus | |
| 3 | 5.0 | Surplus | |
| 4 | 1.0 | 2.0 | Surplus |
| 5 | 3.7 | 2.0 | Surplus |
| 6 | 5.0 | 2.0 | Surplus |
Table 2 coated material antibacterial experiment result (intestinal bacteria ATCC 8099,2.8 * 10
5)
| Specimen coding | Sample prescription (%) | Experimental strain | Different time antibiotic rate (%) | Remarks | ||
| The Ag-Zn complex antimicrobials | CeO 2 | 15(min) | 30(min) | |||
| Contrast | 0 | 0 | Large intestine 8099 | 0 | 0 | |
| 1 | 1 | 0 | Large intestine 8099 | 5.4 | 100 | |
| 2 | 3.72 | 0 | Large intestine 8099 | 82.9 | 100 | |
| 3 | 5 | 0 | Large intestine 8099 | 96.6 | 100 | |
| 4 | 1 | 2 | Large intestine 8099 | 100 | 100 | |
| 5 | 3.72 | 2 | Large intestine 8099 | 91.3 | 100 | |
| 6 | 5 | 2 | Large intestine 8099 | 100 | 100 | |
Table 3 coated material is to staphylococcus aureus experimental result (staphylococcus aureus ATCC 6538,9 * 10
5Cfu/ml)
| Specimen coding | Sample prescription (%) | Experimental strain | Different time (min) antibiotic rate (%) | |||
| The Ag-Zn complex antimicrobials | CeO 2 | 20 | 40 | 60 | ||
| Contrast | 0 | 0 | Staphylococcus aureus 6538 | - | - | - |
| 1 | 1 | 0 | The same | 56.7 | 61.1 | 95.6 |
| 2 | 3.7 | 0 | The same | 44.4 | 66.7 | 95.6 |
| 3 | 5 | 0 | The same | 79.3 | 83.2 | 98.4 |
| 4 | 1 | 2 | The same | 87.8 | 97.8 | 100 |
| 5 | 3.7 | 2 | The same | 100 | 100 | 100 |
| 6 | 5 | 2 | The same | 79.7 | 82.3 | 96.8 |
Embodiment 2
A kind of antimicrobial coating, being constructed as follows of this coated material: contain Ag-Zn inorganic antiseptic, rare earth salts, three kinds of effective constituents of rare earth oxide: every kind of active constituent content is 0.5 weight %; Other conventional coatings compositions or the coating ingredients that designs voluntarily: surplus.
Contain the Ag-Zn inorganic antiseptic by Ag
2SO
4, Ag
2O
2And ZnO
2And their carrier combination of materials is formed.In the described antimicrobial coating, described rare earth element is the arbitrary combination among La (lanthanum), Ce (cerium), Pr (praseodymium), Nd (neodymium), Y (yttrium), Gd (gadolinium), the Yb (ytterbium).Described rare earth salts is the nitrate and the muriatic combination of rare earth.
Described antimicrobial coating can be applied on the body material of following these kinds: plastics, timber, aluminium, stainless steel, other metallic substance, stone material.Employing brushing method antimicrobial coating (liquid state or powder coating) as mentioned above is attached on the body material.
Embodiment 3
A kind of antimicrobial coating, being constructed as follows of this coated material: Ag-Zn inorganic antiseptic: weight percent content 5%; Other coated components: surplus.
In the described antimicrobial coating, contain the Ag-Zn inorganic antiseptic by Ag
2SO
4And its carrier material is formed.
Described antimicrobial coating can be applied on the body material of following these kinds: plastics, timber, aluminium, stainless steel, other metallic substance, stone material.
Antimicrobial coating (liquid state or powder coating) is attached on the body material can to adopt methods such as brushing or spraying to incite somebody to action as mentioned above.
Embodiment 4
A kind of antimicrobial coating, being constructed as follows of this coated material: Ag-Zn inorganic antiseptic: weight percent content 3%; Other coated components: surplus.
In the described antimicrobial coating, contain the Ag-Zn inorganic antiseptic by Ag
2O
2Form with its carrier material.
Embodiment 5
A kind of antimicrobial coating, being constructed as follows of this coated material: Ag-Zn inorganic antiseptic: weight percent content 0.5%; Other coated components: surplus.
In the described antimicrobial coating, contain the Ag-Zn inorganic antiseptic by ZnO
2And its carrier material is formed.
Embodiment 6
A kind of antimicrobial coating, being constructed as follows of this coated material: (be specially: the nitrate of rare earth): weight percent content is 5 weight % to rare earth salts; Other coated components: surplus.
In the described antimicrobial coating, rare earth element is the combination of La (lanthanum), Ce (cerium), Pr (praseodymium), Nd (neodymium), Y (yttrium), Gd (gadolinium), Yb (ytterbium).
Embodiment 7
A kind of antimicrobial coating, being constructed as follows of this coated material: (be specially: the muriate of rare earth): weight percent content is 5% to rare earth salts; Other coated components: surplus.
In the described antimicrobial coating, rare earth element is any one among La (lanthanum), Ce (cerium), Pr (praseodymium), Nd (neodymium), Y (yttrium), Gd (gadolinium), the Yb (ytterbium).
Embodiment 8
A kind of antimicrobial coating, being constructed as follows of this coated material: rare earth oxide: weight percent content is 5%; Other coated components: surplus.
In the described antimicrobial coating, described rare earth element is the combination of La (lanthanum), Ce (cerium), Pr (praseodymium), Nd (neodymium), Y (yttrium), Gd (gadolinium), Yb (ytterbium).
Embodiment 8
A kind of antimicrobial coating, being constructed as follows of this coated material: the Ag-Zn inorganic antiseptic: weight percent content is 0.5%; Rare earth salts: weight percent content is 0.5%; Other coated components: surplus.Described rare earth element is La (lanthanum).Described rare earth salts is the nitrate of rare earth.
Embodiment 9
A kind of antimicrobial coating, being constructed as follows of this coated material: the Ag-Zn inorganic antiseptic: weight percent content is 1%; Rare earth oxide: weight percent content is 4%; Other coated components: surplus.In the described antimicrobial coating, contain the Ag that the Ag-Zn inorganic antiseptic is equated by the content composition
2SO
4, Ag
2O
2And ZnO
2And their carrier combination of materials is formed.In the described antimicrobial coating, described rare earth element is the combination of Ce (cerium), Pr (praseodymium), Nd (neodymium), Y (yttrium), Gd (gadolinium), Yb (ytterbium).
Embodiment 10
A kind of antimicrobial coating, being constructed as follows of this coated material: rare earth salts: weight percent content is 0.5%; Rare earth oxide: weight percent content is 4.5%; Other coated components: surplus.
In the described antimicrobial coating, rare earth element is the combination of Nd (neodymium), Y (yttrium), Gd (gadolinium), Yb (ytterbium).Described rare earth salts is the muriate of rare earth.
Claims (7)
1. antimicrobial coating is characterized in that: being constructed as follows of this coated material:
Contain at least a in Ag-Zn inorganic antiseptic, rare earth salts, the rare earth oxide: content is 0.01～20 weight %; Other: surplus.
2. according to the described antimicrobial coating of claim 1, it is characterized in that: being constructed as follows of described antimicrobial coating material: contain at least a in Ag-Zn inorganic antiseptic, rare earth salts, the rare earth oxide: content is 0.5～5 weight %: other: surplus.
3. according to the described antimicrobial coating of claim 1, it is characterized in that:
Contain the Ag-Zn inorganic antiseptic by Ag
2SO
4, Ag
2O
2And ZnO
2And a kind of or combinations thereof in their the carrier material.
4. according to the described antimicrobial coating of claim 1, it is characterized in that:
Described rare earth element is any one or its arbitrary combination among La (lanthanum), Ce (cerium), Pr (praseodymium), Nd (neodymium), Y (yttrium), Gd (gadolinium), the Yb (ytterbium).
5. according to the described antimicrobial coating of claim 4, it is characterized in that:
Described rare earth salts is at least a in the nitrate of rare earth or the muriate.
6. according to one of them described antimicrobial coating of claim 1～5, it is characterized in that: described antimicrobial coating can be applied on the body material of following these kinds: plastics, timber, aluminium, stainless steel, other metallic substance, stone material.
7. according to the described antimicrobial coating of claim 6, it is characterized in that: the method that described antimicrobial coating is bonded on the base material is: brushing or spraying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100474770A CN101125970A (en) | 2006-08-18 | 2006-08-18 | Antibiotic coat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100474770A CN101125970A (en) | 2006-08-18 | 2006-08-18 | Antibiotic coat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101125970A true CN101125970A (en) | 2008-02-20 |
Family
ID=39094114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100474770A Pending CN101125970A (en) | 2006-08-18 | 2006-08-18 | Antibiotic coat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101125970A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011079784A1 (en) * | 2009-12-28 | 2011-07-07 | 常州佳得顺抗菌材料科技有限公司 | Antibacterial stainless steel with electrochemical oxidation film |
| CN103422080A (en) * | 2013-08-20 | 2013-12-04 | 蒋春华 | Preparation method of antimicrobial mould-proof stainless steel coating containing silver, zinc and cerium |
| CN103538316A (en) * | 2013-09-27 | 2014-01-29 | 安徽华印机电股份有限公司 | Preparation method of metal-based nano antibacterial coating aluminum plate |
| CN103540180A (en) * | 2013-09-27 | 2014-01-29 | 安徽华印机电股份有限公司 | Metal-based nano antibacterial coating material as well as preparation method thereof |
| CN107474611A (en) * | 2017-06-27 | 2017-12-15 | 天长市巨龙车船涂料有限公司 | A kind of heat resistance modified woodcare paint of antibacterial acid and alkali-resistance |
| CN113881268A (en) * | 2021-06-24 | 2022-01-04 | 荣耀终端有限公司 | Protective film, preparation method thereof, appearance piece and terminal |
| CN114752234A (en) * | 2021-01-08 | 2022-07-15 | 杭州三花研究院有限公司 | Composite material and preparation method thereof, heat exchanger and heat management system |
-
2006
- 2006-08-18 CN CNA2006100474770A patent/CN101125970A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011079784A1 (en) * | 2009-12-28 | 2011-07-07 | 常州佳得顺抗菌材料科技有限公司 | Antibacterial stainless steel with electrochemical oxidation film |
| CN103422080A (en) * | 2013-08-20 | 2013-12-04 | 蒋春华 | Preparation method of antimicrobial mould-proof stainless steel coating containing silver, zinc and cerium |
| CN103422080B (en) * | 2013-08-20 | 2015-05-06 | 臣贤工贸（上海）有限公司 | Preparation method of antimicrobial mould-proof stainless steel coating containing silver, zinc and cerium |
| CN103538316A (en) * | 2013-09-27 | 2014-01-29 | 安徽华印机电股份有限公司 | Preparation method of metal-based nano antibacterial coating aluminum plate |
| CN103540180A (en) * | 2013-09-27 | 2014-01-29 | 安徽华印机电股份有限公司 | Metal-based nano antibacterial coating material as well as preparation method thereof |
| CN107474611A (en) * | 2017-06-27 | 2017-12-15 | 天长市巨龙车船涂料有限公司 | A kind of heat resistance modified woodcare paint of antibacterial acid and alkali-resistance |
| CN114752234A (en) * | 2021-01-08 | 2022-07-15 | 杭州三花研究院有限公司 | Composite material and preparation method thereof, heat exchanger and heat management system |
| CN113881268A (en) * | 2021-06-24 | 2022-01-04 | 荣耀终端有限公司 | Protective film, preparation method thereof, appearance piece and terminal |
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