CN100540738C - Make the coating compound of preventing corrosion and the method that forms aluminum oxide coating layer - Google Patents
Make the coating compound of preventing corrosion and the method that forms aluminum oxide coating layer Download PDFInfo
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- CN100540738C CN100540738C CNB2005800413130A CN200580041313A CN100540738C CN 100540738 C CN100540738 C CN 100540738C CN B2005800413130 A CNB2005800413130 A CN B2005800413130A CN 200580041313 A CN200580041313 A CN 200580041313A CN 100540738 C CN100540738 C CN 100540738C
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- powder
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal dust
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal dust
- C09D5/103—Anti-corrosive paints containing metal dust containing Al
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
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- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
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Abstract
The present invention relates to a kind of corrosion-resistant and strengthen the coating compound of steel construction permanent stability, and with the method for described coating compound formation aluminum oxide coating layer.Method according to formation aluminum oxide coating layer of the present invention, comprise that step (a) preparation is 0.2 to 0.5% zinc (Zn) powder by mass percent, 0.3 the chromium to 1.0% (Cr) powder, 0.5 the nickel to 1.0% (Ni) powder, 0.06 the powdered mixture that the phosphorus to 0.15% (P) powder and remaining aluminium (Al) powder are formed, and step (b) mixes top ready powdered mixture and adhesion resin, and the mixture that mixes is injected in the steel construction surface equably to form coating, formation is according to the method very economical of aluminum oxide coating layer of the present invention, even also can finish therefore at normal temperatures, has good physical behavior for example to the cohesive force on steel construction surface by being formed uniformly, ductility, the aluminum oxide coating layer of elasticity etc. can stop steel construction to be corroded effectively and strengthens the permanent stability of steel construction.
Description
Technical field
The present invention relates to a kind of corrosion-resistant and can strengthen the coating compound that steel construction comprises the iron permanent stability, and the method that forms aluminum oxide coating layer with described coating compound.More particularly, even be a kind of coating compound that also can be formed uniformly corrosion-resisting alumina coating at normal temperatures with good physical behavior, and the method that forms aluminum oxide coating layer with described coating compound.
Background technology
In general, most so-called steel construction comprises that iron all is exposed in the corrosive atmosphere, for example air or the like.Therefore people are extensive use of the method for corrosion-resistance treatment are carried out to prevent corrosion in the steel construction surface.
For example, worked out a kind of method, by for example epoxy coating, vinyl coating, fluorine resin coating, propylene glue coating, chlorinated rubber coating etc. form coating on the steel construction surface with coating.Yet because be organic coating, though the initial stage effect is fine, with the iron phase ratio, the deformation performance of coating for example difference such as thermal expansivity and ductility is very big.Therefore, there is a problem in organic coating, and promptly formed coating and steel construction are isolating, because cohesive force can reduce over time gradually.Epoxy coating particularly, its problem are the outdoor type steel construction that is difficult to be applied to be exposed to for a long time under the light because resin this be easy to decolouring in exposing under the contained action of ultraviolet radiation of light.The problem of fluorine resin coating is, the elastic minimizing of contained rubber constituent can cause occurring the crack, and its stability can run down.
In order to solve the problems referred to above that organic coating exists, this applicant has proposed a kind of method, promptly by using a kind of coating compound to form aluminum oxide coating layer, described coating compound contains the metal powder mixture of mainly being made up of aluminium powder (referring to korean patent application No.10-2002-21103).This coating compound that contains metal powder mixture can be used for forming has for example corrosion-resisting alumina coating of cohesive force and ductility etc. of superperformance.Yet, demand has appearred, need a kind ofly can form the coating compound of the stronger corrosion-resisting alumina coating of homogeneity and stability.
Summary of the invention
Technical problem
The present invention is intended to solve the problem of present existence, even therefore target of the present invention provides a kind of coating compound that also can be formed uniformly the corrosion-resisting alumina coating at normal temperatures, described corrosion-resisting alumina coating has good physicals for example to the cohesive force on steel construction surface, ductility, elasticity etc., thereby can prevent that steel construction is corroded improves stability.
Another target of the present invention is to propose the method that the described coating compound of a kind of usefulness forms aluminum oxide coating layer.
In order to finish an above-mentioned target, the invention provides a kind of coating compound that contains powdered mixture, it is 0.2 to 0.5% zinc (Zn) powder, 0.3 to 1.0% chromium (Cr) powder, 0.5 to 1% nickel (Ni) powder, 0.06 to 0.15% phosphorus (P) powder that described coating compound contains mass percent, and remaining is aluminium (Al) powder; Adhesion resin and powdered mixture are mixed.
In order to finish above-mentioned another target, the invention provides the method that forms described aluminum oxide coating layer, comprise that it is the powdered mixture that 0.2 to 0.5% zinc (Zn) powder, 0.3 to 1.0% chromium (Cr) powder, 0.5 to 1% nickel (Ni) powder, 0.06 to 0.15% phosphorus (P) powder and remaining aluminium (Al) powder are formed that step (a) is prepared by mass percent, and step (b) mixes top ready powdered mixture and adhesion resin, and the mixture that mixes is injected in the steel construction surface equably to form coating.
By forming the formed metal mixture coating of method of aluminum oxide coating layer, its thickness is 100 μ m preferably, or thinner than only being coated with once formed coating.
Brief Description Of Drawings
Fig. 1 be the concentration of salt along with the synoptic diagram of coating is infiltrated in the variation of time gradually, be to finish preferred plan of the present invention.
Realize the preferred plan of invention
Hereinafter, describe a kind of as described in the present invention coating compound that has corrosion-resistant effect and can strengthen the steel construction permanent stability in detail, and described coating compound forms the method for aluminum oxide coating layer.
Coating compound of the present invention contains a kind of powdered mixture, and described powdered mixture includes that mass percent is 0.2 to 0.5% zinc (Zn) powder, 0.3 to 1.0% chromium (Cr) powder, 0.5 to 1% nickel (Ni) powder, 0.06 to 0.15% phosphorus (P) powder, remaining is aluminium (Al) powder; Adhesion resin and powdered mixture are mixed.
Aluminium is the main component that is dispersed in the powdered mixture in the adhesion resin, and its specific activity iron is strong, so the oxidized formation aluminum oxide coating layer (Al of aluminium elder generation
2O
3).Aluminum oxide coating layer can prevent steel construction and the external environment that can corrode steel construction for example oxygen directly contact.If zinc, chromium, the nickel of proper amt are mixed with aluminium powder, can strengthen the anti-patience of coating to wearing and tearing and weather.
Need to prove especially, it is 0.06 to 0.15% phosphorus powder that powdered mixture of the present invention contains mass percent, the phosphorus that is added can intersperse among above-mentioned metal-powder in the adhesion resin equably, also can strengthen the uniformity coefficient and the hardness of aluminum oxide coating layer.Above-mentioned situation is with detailed being described below.
Intersperse among in the adhesion resin if comprise the powdered mixture of phosphorus powder, phosphorus will be subjected to the effect of adhesion resin contained humidity, and oxidation forms Vanadium Pentoxide in FLAKES (P
2O
5).Because Vanadium Pentoxide in FLAKES has very strong water-absorbent, it stays moisture in the described adhesion resin to strengthen the stability of coating with further absorption of residual, described Vanadium Pentoxide in FLAKES has the function of tensio-active agent again simultaneously, and powdered mixture is interspersed among in the adhesion resin equably.If Vanadium Pentoxide in FLAKES is directly added in the powdered mixture, then can obtain reverse effect.Because Vanadium Pentoxide in FLAKES is being added in the process of powdered mixture, thereby it can absorb the physicals that extraneous moisture reduces powdered mixture simultaneously.If the mass percent of phosphorus less than 0.06%, will be difficult to give play to above-mentioned effect, and if the mass percent of phosphorus greater than 0.15%, then the stability of coating can reduce.
If with silicon-dioxide is that quartz or silica powder add in the powdered mixture, for example be that 0.1 to 0.5% silicon-dioxide joins in the powdered mixture that is scattered in coating compound of the present invention with mass percent, the intensity of the coating that forms etc. will increase.
With powdered mixture and suitable adhesion resin uniform mixing, and above-mentioned powdered mixture evenly is sprayed on the concrete structure surface.Can adjust the viscosity of this adhesion resin according to concrete applicable cases, but preferably with having good viscous force and elastic polyurethane resin or Resins, epoxy.Need to prove that especially polyurethane resin has good effect aspect the infiltration that suppresses muriate and carbonic acid gas, and also have good performance for example to the chemoresistance of moisture and oxygen and infiltration resistance etc.The ratio of mixture of powdered mixture and adhesion resin preferably 0.2: 10 to 3: 10, whole process not only simply but also economical because the mixture of coating at room temperature just can be formed naturally coating.The thickness of coating that metal mixture forms is 100 μ m preferably, or thinner than only being coated with once formed coating.Firmer if desired coating can be carried out lamination several times to this coating, maybe will contain as described herein the formed coating of coating compound of powdered mixture and change several times; Can also change the coating of only forming into by adhesion resin.
As mentioned above, powdered mixture and adhesion resin are mixed formed coating, its stability is enhanced, and therefore correspondingly has the stability to the pucker ﹠ bloat of iron (comprising the corrodibility nonferrous materials).And described coating all has impermeable preferably ability to the material that chlorion, sulfurous gas, moisture, oxygen etc. can corrode steel construction.
The invention scheme
Hereinafter, conjunction with figs. is described in detail the preferred embodiments of the invention.Yet, should be understood that, under the prerequisite that does not depart from aim of the present invention and scope, can also formulate similar embodiment in addition and carry out some modifications, but can not limit the scope of the invention.Detailed description in the preferred embodiments of the invention can make the skilled people of those skill that the present invention is described in more detail.
Embodiment 1
To be the powdered mixture that the aluminium powder of 0.3% zinc powder, 0.5% chromium powder, 0.7% nickel powder, 0.1% phosphorus powder and 97.8% is formed by mass percent, with the mixed of urethane resin with 1: 10, be sprayed on the target material surface with spray method, at room temperature pass through the scheduled time then, form the aluminum oxide coating layer that thickness of the present invention is 35 μ m.
Compare embodiment 1
The mixture of same applicant of the present invention described in korean patent application file No.10-2002-21103 is applied in the comparison embodiment 1.
To be the metal powder mixture that 4.5% manganese powder, 0.3% zinc powder, 0.2% chromium powder, 0.4% lithium powder, 94.6% aluminium powder are formed by mass percent, with the mixed of urethane resin with 1: 10, be sprayed on the target material surface with spray method, at room temperature pass through the scheduled time then, form the aluminum oxide coating layer that thickness of the present invention is 35 μ m.
To preventing the assessment of salt infringement ability
For convenience's sake, used the method for describing among the korean patent application file No.10-2002-21103 to determine salt time dependent infiltration rank on the aluminum oxide coating layer that forms according to the method for the invention.The untreated samples that the ordinary Portland cement concrete is made is processed into batch extractor, according to embodiment and relatively embodiment form coating on the described sample, on batch extractor, carry out infiltration/diffusion of salt and test.Apply 10V voltage on each batch extractor, can measure the concentration of salt on the batch extractor with salometer according to the variation of time, the result as shown in Figure 1.
As shown in Figure 1, the salt concn on the untreated concrete is along with the variation of time increases suddenly linearly.As can be seen, has the infiltration that can stop salt according to the concrete of embodiment 1 formed coating well.Also find have the infiltration that also can stop salt according to the concrete that compares embodiment 1 formed coating well, but its effect does not have coating of the present invention good simultaneously.
Coating absorption force measurement
In order to determine to have carried out following test according to the cohesive force of the aluminum oxide coating layer of the method for the invention formation.
Measure the cohesive force of aluminum oxide coating layer, need secundum legem KS F 4715-01 and JIS A6910, adherometer is in tension.On steel construction, form embodiment 1 described aluminum oxide coating layer with aforesaid method, again aluminum oxide coating layer is bonded on the steel.Can find that the cohesive force of aluminum oxide coating layer is at about 35kgf/cm
2The time very high.
The measurement of coating ductility
In order to measure the ductility of the aluminum oxide coating layer that forms according to the method for the invention, need the testing method of secundum legem KS M 6518-96 to carry out.Can find that the aluminum oxide coating layer that forms according to the method for the invention can prolong 0.7 μ m, if but the prolongation amount surpasses above-mentioned scope, and coating will be split so.It can be seen from the above, and the aluminum oxide coating layer that forms according to the method for the invention has suitable prolongation amount.
Except measuring above-mentioned physical property, answer the requirement of Korea S material of construction institute, also need to measure the elasticity, water-repellancy, wear resistance, weathering resistance of the aluminum oxide coating layer that forms according to the method for the invention, cold-resistant hot, chemical resistant properties and shock resistance.Measuring result shows that the physicals of aluminum oxide coating layer is qualified fully.But omitted detailed description here.
Commercial Application
As mentioned above, use forms at steel structure surface according to coating compound of the present invention Aluminum oxide coating layer can stop steel construction to be corroded effectively. Because described aluminum oxide coating layer tool Good physical property such as cohesive force, ductility, elasticity etc. are arranged, and be to be formed uniformly , also have good stability.
Claims (4)
- One kind corrosion-resistant and can strengthen the coating compound of steel construction permanent stability, comprise that by mass percent be powdered mixture and the adhesion resin that 0.2 to 0.5% zinc powder, 0.3 to 1.0% chromium powder, 0.5 to 1% nickel powder, 0.06 to 0.15% phosphorus powder and remaining aluminium powder are formed; Adhesion resin and powdered mixture are mixed.
- 2. as claimed in claim 1 corrosion-resistant and strengthen the coating compound of steel construction permanent stability, it is characterized in that the adhesion resin that contains in the described coating compound is polyurethane resin or Resins, epoxy.
- 3. form corrosion-resistant and can strengthen the method for the aluminum oxide coating layer of steel construction permanent stability, comprise that it is the powdered mixture that 0.2 to 0.5% zinc powder, 0.3 to 1.0% chromium powder, 0.5 to 1% nickel powder, 0.06 to 0.15% phosphorus powder and remaining aluminium powder are formed that step (a) is prepared by mass percent, and step (b) mixes top ready powdered mixture and adhesion resin, and the mixture that mixes is injected in the steel construction surface equably to form coating.
- 4. formation as claimed in claim 3 is corrosion-resistant and can strengthen the method for the aluminum oxide coating layer of steel construction permanent stability, it is characterized in that the thickness of described coating is 100 μ m, or thinner than only being coated with once formed coating.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040100831A KR100503561B1 (en) | 2004-12-03 | 2004-12-03 | Paint composition for preventing corrosion and improving long-term duability of iron structure and process for forming an aluminum oxide coating layer using the same |
| KR1020040100831 | 2004-12-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101194044A CN101194044A (en) | 2008-06-04 |
| CN100540738C true CN100540738C (en) | 2009-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800413130A Expired - Fee Related CN100540738C (en) | 2004-12-03 | 2005-11-30 | Make the coating compound of preventing corrosion and the method that forms aluminum oxide coating layer |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR100503561B1 (en) |
| CN (1) | CN100540738C (en) |
| WO (1) | WO2006059872A1 (en) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100764081B1 (en) * | 2007-04-06 | 2007-10-08 | 주식회사 케이닉스공사 | Binder resin compositions and water paint composition comprising them for ultra heavy-duty and ultra weatherability |
| KR100974532B1 (en) | 2008-06-19 | 2010-08-10 | 사카팬코리아 주식회사 | Resin composition having superior fireproof properties, corrosion resistant for carbon steel and Heat exchanger thereby |
| KR20120010129A (en) * | 2010-07-21 | 2012-02-02 | 이와오 히시다 | Method for processing the surface of metallic products |
| KR101044824B1 (en) | 2011-03-29 | 2011-06-27 | 주식회사 삼주에스엠씨 | Composition with nano-sized fine metal for protecting surface of concrete and structure thereof |
| KR101103880B1 (en) | 2011-05-27 | 2012-01-12 | 주식회사 삼주에스엠씨 | Adhesive anti-corrosion paint and construction method thereof for protecting corrosion of steel in concrete structure |
| CN104185365B (en) * | 2013-05-23 | 2018-06-26 | 比亚迪股份有限公司 | A kind of wiring board and preparation method thereof |
| KR101678279B1 (en) | 2013-11-04 | 2016-11-21 | 제주대학교 산학협력단 | Nontoxic paint composition comprising organic and inorganic oxide nanostructure and the preparation thereof |
| WO2015065164A1 (en) | 2013-11-04 | 2015-05-07 | 제주대학교 산학협력단 | Nonpoisonous paint composition containing organic and inorganic oxidation nanostructures and method for preparing same |
| CN104482267B (en) * | 2014-11-21 | 2017-07-11 | 湖南振辉管业有限公司 | A kind of multi-function water tap and preparation method thereof |
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| CN106398328B (en) * | 2016-08-26 | 2018-10-02 | 中航动力股份有限公司 | A kind of high temperature resistant impermeable coating and its preparation method and application |
| KR101937975B1 (en) * | 2018-09-28 | 2019-01-11 | 한승호 | Paint composition containing graphene oxide for preventing corrosion of an iron structure and improving water repellency, corrosion proof and long-term duability of a concrete structure and process for forming a coating layer containing graphene oxide using the same |
| KR102164573B1 (en) | 2020-06-02 | 2020-10-13 | 한선경 | Steel painting composition for surface of steel structures and repairing and coating method for surface of steel structures using the same |
| CN112538300A (en) * | 2020-11-23 | 2021-03-23 | 华能昭觉风力发电有限公司 | Corrosion-resistant composite anticorrosive paint for electric power fittings and preparation method thereof |
| KR102482979B1 (en) * | 2021-07-06 | 2022-12-29 | 주식회사 삼주에스엠씨 | Paint composition containing graphene oxide and process for forming a coating layer for preventing corrosion and improving water repellency containing graphene oxide using the same |
| KR102482980B1 (en) * | 2021-07-06 | 2022-12-29 | 한규택 | Paint composition for preventing corrosion of an iron structure and improving water repellency, corrosion proof and long-term duability of a concrete structure and process for forming a coating layer using the same |
| KR102482981B1 (en) * | 2021-07-06 | 2022-12-29 | 윤경찬 | Paint composition containing specific compound and process for forming a durable coating layer using the same |
| KR102482978B1 (en) * | 2021-07-06 | 2022-12-29 | 주식회사 에이드림 | Paint composition for forming a coating layer preventing corrosion of an iron structure and improving water repellency of a concrete structure and process for forming a coating layer using the same |
| KR102482982B1 (en) * | 2021-07-06 | 2022-12-29 | 한승호 | Paint composition improving curtaining properties and process for forming a coating layer for preventing corrosion and improving water repellency |
| KR102392402B1 (en) | 2021-08-26 | 2022-05-02 | 삼호콘크리트(주) | Concrete composition with improved reinforcing bar corrosion |
| CN114605884A (en) * | 2022-03-14 | 2022-06-10 | 清大赛思迪新材料科技（北京）有限公司 | Preparation and sealing method of anti-corrosion sealing coating for garbage or biofuel boiler |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3418177B2 (en) * | 1998-12-01 | 2003-06-16 | ポハン アイアン アンド スチール カンパニー リミテッド | Surface-treated steel sheet for fuel tank and method for producing the same |
| JP2000178759A (en) * | 1998-12-08 | 2000-06-27 | Nippon Parkerizing Co Ltd | Water base surface treating composition for metallic material |
| KR100361571B1 (en) * | 1999-12-29 | 2002-11-22 | 주식회사 포스코 | Anti-rust coating for weathering steel |
| FR2816641B1 (en) * | 2000-11-13 | 2003-08-01 | Dacral Sa | USE OF MoO3, AS ANTI-CORROSION AGENT, AND COATING COMPOSITION CONTAINING SUCH AN AGENT |
-
2004
- 2004-12-03 KR KR1020040100831A patent/KR100503561B1/en active IP Right Grant
-
2005
- 2005-11-30 CN CNB2005800413130A patent/CN100540738C/en not_active Expired - Fee Related
- 2005-11-30 WO PCT/KR2005/004073 patent/WO2006059872A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| KR100503561B1 (en) | 2005-07-26 |
| CN101194044A (en) | 2008-06-04 |
| WO2006059872A1 (en) | 2006-06-08 |
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