JP2013505116A - Use of coatings that cure at room temperature - Google Patents
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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- C09D5/10—Anti-corrosive paints containing metal dust
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- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/30—Materials not provided for elsewhere for aerosols
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- 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
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- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/02—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition
- C23C18/12—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
- C23C18/1204—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material inorganic material, e.g. non-oxide and non-metallic such as sulfides, nitrides based compounds
- C23C18/1208—Oxides, e.g. ceramics
- C23C18/1216—Metal oxides
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- 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
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- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/02—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition
- C23C18/12—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
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Abstract
本発明は、室温で硬化するコーティング剤の使用に関する。カソード腐食を防止するためおよびエアロゾルとしてまたははけ塗り塗料として塗布するための室温硬化性コーティング剤を提供するために、本発明によれば、当該コーティング剤は、以下の方法：ａ）５〜９５重量％の金属アルコキシドを５〜９５重量％の金属顔料と混合することと、ｂ）溶媒および（固形物の量に対して）１０重量％までの触媒を添加することと、によって製造されることが提案される。カソード耐食はこのようにして得られ、このカソード耐食は、異なる金属からなる基材においても接触腐食を効果的に防止する。本発明に関して、本発明のコーティング剤は、個々の金属粒子を伝導性のまたは半伝導性の金属酸化物コーティングで被覆すること、例えば亜鉛上の二酸化チタンコーティングによって、活性の低下の制御を成し遂げるということが示された。溶接性は保たれ、当該コーティング剤を上塗りすることができる。
【選択図】なしThe present invention relates to the use of coating agents that cure at room temperature. In order to prevent cathodic corrosion and to provide room temperature curable coatings for application as aerosols or as brush paints, according to the present invention, the coatings are prepared by the following methods: a) 5-95. Manufactured by mixing 5% to 95% by weight of metal alkoxide with 5% by weight of metal pigment, and b) adding solvent and up to 10% by weight of catalyst (based on the amount of solids). Is proposed. Cathodic corrosion resistance is thus obtained, and this cathodic corrosion resistance effectively prevents contact corrosion even in substrates made of different metals. In the context of the present invention, the coating agent of the present invention achieves controlled activity reduction by coating individual metal particles with a conductive or semiconductive metal oxide coating, for example, a titanium dioxide coating on zinc. It was shown that. The weldability is maintained and the coating agent can be overcoated.
[Selection figure] None
Description
本発明は、室温で硬化するコーティング剤の使用に関する。 The present invention relates to the use of coating agents that cure at room temperature.
腐食に対する活性な保護のための亜鉛または亜鉛合金に基づく金属コーティング剤は、先行技術から公知である。塩水噴霧試験では、これらのコーティング剤は、コーティング厚さがおよそ７μｍであるとき、およそ１００時間の活性な耐食を与える。それゆえ、十分な耐食を得るために、５０〜６０μｍの厚さのコーティングを使用することが慣用的である。 Metal coating agents based on zinc or zinc alloys for active protection against corrosion are known from the prior art. In the salt spray test, these coatings give an active corrosion resistance of approximately 100 hours when the coating thickness is approximately 7 μm. It is therefore customary to use a coating with a thickness of 50-60 μm in order to obtain sufficient corrosion resistance.
永久的な耐腐食性が必要とされるところでは、保護されるべき表面は、塗料、ワニスもしくはスポットシーラーとして知られるものの塗布により、または電気化学的ディップコーティングにより追加的に不動態化されてもよい。 Where permanent corrosion resistance is required, the surface to be protected may be additionally passivated by application of what is known as paint, varnish or spot sealer, or by electrochemical dip coating. Good.
あるいは、亜鉛コーティングの厚さが、例えば溶融亜鉛めっきによっておよそ７０μｍまで厚くされてもよい。 Alternatively, the thickness of the zinc coating may be increased to approximately 70 μm, for example by hot dip galvanizing.
亜鉛フレークコーティングは、５〜１０μｍ厚さという比較的薄層で塗布されたときでさえ非常に良好な耐腐食性を示すが、亜鉛フレークコーティングはスプレー塗りに適していない。なぜなら、亜鉛フレークコーティングを硬化させるために、少なくとも２５０℃という温度が仕様とされているからである。 Although the zinc flake coating exhibits very good corrosion resistance even when applied in relatively thin layers of 5-10 μm thickness, the zinc flake coating is not suitable for spraying. This is because a temperature of at least 250 ° C. is specified to cure the zinc flake coating.
従って、本発明の目的は、カソード耐食を提供しかつエアロゾルとしておよびはけ塗り塗料として適用できる室温硬化性コーティング剤を創出することである。 Accordingly, it is an object of the present invention to create a room temperature curable coating that provides cathodic corrosion resistance and can be applied as an aerosol and as a brush paint.
この前提部に従う使用のために、この目的は、以下の方法：
ａ）５〜９５重量％の金属アルコキシドを５〜９５重量％の金属顔料と混合することと、
ｂ）溶媒および（固形物の量に対して）１０重量％までの触媒を添加することと
に従って製造される、カソード耐食を提供するための室温硬化性コーティング剤が、エアロゾルまたははけ塗り塗料の形態で使用されるという点で、本発明によって確立される。
For use according to this premise, this purpose is the following method:
a) mixing 5 to 95% by weight of metal alkoxide with 5 to 95% by weight of metal pigment;
b) A room temperature curable coating to provide cathodic corrosion resistance, prepared according to the addition of solvent and up to 10% by weight of catalyst (relative to the amount of solids), of aerosol or brush paint. Established by the present invention in that it is used in the form.
カソード耐食はこのようにして得られ、このカソード耐食は、異なる金属からなる基材における接触腐食を効果的に防止する。本発明に関して、本発明のコーティング剤は、個々の金属粒子を伝導性のまたは半伝導性の金属酸化物コーティングで被覆すること、例えば亜鉛上の二酸化チタンコーティングによって、活性の低下の制御を成し遂げるということが示された。金属粒子は、当該金属アルコキシドによって「その場で」不動態化され、室温で硬化する従来の亜鉛コーティングに典型的な白錆の形成を防止する。溶接性は保たれ、当該コーティング剤を上塗りすることができる。当該コーティング剤の表面は汚れにくく、疎水性および撥油性を有する。当該コーティング剤の「自己回復性表面」のおかげで、当該コーティング剤は、比較的耐スリキズ性および耐摩耗性があり、ポリウレタンシーラントおよびシリコーンシーラントに対して良好な接着表面を提供する。 Cathodic corrosion resistance is thus obtained, which effectively prevents contact corrosion in substrates made of different metals. In the context of the present invention, the coating agent of the present invention achieves controlled activity reduction by coating individual metal particles with a conductive or semiconductive metal oxide coating, for example, a titanium dioxide coating on zinc. It was shown that. The metal particles are “in situ” passivated by the metal alkoxide, preventing the formation of white rust typical of conventional zinc coatings that cure at room temperature. The weldability is maintained and the coating agent can be overcoated. The surface of the coating agent is hardly soiled and has hydrophobicity and oil repellency. Thanks to the “self-healing surface” of the coating agent, the coating agent is relatively scratch and abrasion resistant and provides a good adhesive surface for polyurethane and silicone sealants.
本発明の１つの実施形態は、（いずれの場合も固形物の量に対して）２０重量％まで、好ましくは０〜１０重量％、最も好ましくは０．１〜２．５重量％の添加剤が添加されることにある。 One embodiment of the invention is an additive up to 20% by weight (in each case based on the amount of solids), preferably 0-10% by weight, most preferably 0.1-2.5% by weight. Is to be added.
（いずれの場合も固形物の量に対して）５０重量％まで、好ましくは０〜２５重量％、最も好ましくは０〜１０重量％の着色料が添加されることも本発明の範囲にある。 It is within the scope of the invention that up to 50% by weight (in each case relative to the amount of solids), preferably 0 to 25% by weight, most preferably 0 to 10% by weight of colorant is added.
当該コーティング剤はすでに金属の効果を有するが、当該コーティング剤は、無機もしくは有機の着色料または顔料の添加によりそれぞれの基材に合うように調整されてもよい。例えば、種々の亜鉛および金属の色合い、例えばステンレス鋼およびアルミニウムなどを作製することが可能であるが、他の色も可能である。 The coating agent already has a metallic effect, but the coating agent may be adjusted to suit the respective substrate by the addition of inorganic or organic colorants or pigments. For example, various zinc and metal shades can be made, such as stainless steel and aluminum, but other colors are possible.
本発明のコーティング剤は、金属基材、特に鋼鉄、合金鋼、亜鉛、亜鉛めっき鋼板、アルミニウムまたはアルミニウム合金の上への噴霧、特にエアロゾル缶または吹き付け器からの噴霧、はけ塗りまたはローラー塗りによって塗布され、その後、室温で乾燥されてもよい。この基材は、例えば溶接、ボルト締めまたはリベット打ちによって一緒に接合されたこれらの金属のうちの２以上を含む複合材料であってもよい。 The coating agent according to the invention can be applied by spraying onto metal substrates, in particular steel, alloy steel, zinc, galvanized steel sheets, aluminum or aluminum alloys, in particular spraying from aerosol cans or sprayers, brushing or roller coating. It may be applied and then dried at room temperature. The substrate may be a composite material comprising two or more of these metals joined together, for example by welding, bolting or riveting.
当該コーティング剤が５〜６０μｍの層厚さで、好ましくは５〜２５μｍの層厚さで、さらにより好ましくは１０〜１５μｍの層厚さで塗布されることは本発明の範囲にある。 It is within the scope of the present invention that the coating agent is applied with a layer thickness of 5-60 μm, preferably with a layer thickness of 5-25 μm, and even more preferably with a layer thickness of 10-15 μm.
非常に良好な耐食を生成するためには、先行技術におけるよりも明らかに薄いコーティング厚さで十分であるということが、本発明の範囲で明らかになる。 It will be clear within the scope of the present invention that an apparently lower coating thickness is sufficient to produce very good corrosion resistance than in the prior art.
本発明の好ましい実施形態は、当該金属アルコキシドが、チタンアルコキシド、特にチタンブチレート、チタンプロピレートまたはチタンイソプロピレート、ジルコニウムアルコキシド、アルミニウムアルコキシドおよびスズアルコキシドからなる群から選択され、金属含有量が、いずれの場合も、１〜５０重量％、好ましくは１〜４０重量％、さらにより好ましくは１〜３０重量％の範囲にあるということにある。 In a preferred embodiment of the present invention, the metal alkoxide is selected from the group consisting of titanium alkoxides, in particular titanium butyrate, titanium propylate or titanium isopropylate, zirconium alkoxide, aluminum alkoxide and tin alkoxide, and the metal content is any In this case, it is 1 to 50% by weight, preferably 1 to 40% by weight, and more preferably 1 to 30% by weight.
金属顔料が、亜鉛、アルミニウムおよびマグネシウム、ならびにそれらの混合物および合金からなる群から選択されることは本発明の範囲にある。 It is within the scope of the present invention that the metal pigment is selected from the group consisting of zinc, aluminum and magnesium, and mixtures and alloys thereof.
亜鉛ならびに亜鉛およびアルミニウムの混合物または合金が好ましい。 Zinc and mixtures or alloys of zinc and aluminum are preferred.
本発明のさらに好ましい実施形態によれば、当該溶媒は、好ましくは水、アルコール、プロトン性もしくは非プロトン性の溶媒を含有するかまたはこれらからなり、この溶媒は、最も好ましくはトルエン、ブチルグリコール、キシレンもしくはイソプロパノールからなるかまたはこれらを含有する。 According to a further preferred embodiment of the invention, the solvent preferably contains or consists of water, alcohol, protic or aprotic solvent, most preferably toluene, butyl glycol, Consists of or contains xylene or isopropanol.
本発明の好ましい実施形態によれば、室温硬化性コーティング剤がエアロゾルの形態で使用される必要がある場合は、プロパン、ブタン、ケトン、エーテル、二酸化炭素、窒素、クロロフルオロカーボンまたは笑気からなる群から選択される噴霧剤が添加される。 According to a preferred embodiment of the present invention, when the room temperature curable coating agent needs to be used in the form of an aerosol, the group consisting of propane, butane, ketone, ether, carbon dioxide, nitrogen, chlorofluorocarbon or laughing gas A propellant selected from is added.
室温硬化性コーティング剤がエアロゾルの形態で使用される必要がある場面では、その室温硬化性コーティング剤は、２〜４０重量％、好ましくは５〜２５重量％、さらにより好ましくは５〜１５重量％の固形分含量まで溶媒または溶媒混合物で目的に合わせて希釈される。 In situations where a room temperature curable coating agent needs to be used in the form of an aerosol, the room temperature curable coating agent is 2-40% by weight, preferably 5-25% by weight, even more preferably 5-15% by weight. Dilute to the desired content with a solvent or solvent mixture to a solids content of
室温硬化性コーティング剤がはけ塗り塗料の形態で使用される必要がある場面では、本発明の別の実施形態によれば、室温硬化性コーティング剤を、溶媒または溶媒混合物で２５〜７５重量％、好ましくは４０〜６０重量％の固形分含量まで希釈することが有利である。 In situations where a room temperature curable coating agent needs to be used in the form of a brush paint, according to another embodiment of the present invention, the room temperature curable coating agent is 25-75% by weight in a solvent or solvent mixture. It is advantageous to dilute to a solids content of preferably 40 to 60% by weight.
本発明は、好ましくは１〜１０重量％の触媒、さらにより好ましくは１〜５重量％の触媒の添加を想定し、この触媒は、ルイス酸、ルイス塩基、有機酸および有機塩基、無機塩基、官能性シラン、特にアミノシラン、無機酸、特に硫酸またはリン酸、リン酸塩もしくはリン酸エステルまたはブロックされたリン酸塩もしくはリン酸エステルからなる群から選択される。 The present invention envisions the addition of preferably 1-10 wt% catalyst, and even more preferably 1-5 wt% catalyst, which comprises a Lewis acid, a Lewis base, an organic acid and an organic base, an inorganic base, It is selected from the group consisting of functional silanes, in particular aminosilanes, inorganic acids, in particular sulfuric acid or phosphoric acid, phosphates or phosphate esters or blocked phosphates or phosphate esters.
当該添加剤が、艶消し剤、流れ調整剤、スリップ剤、接着促進剤、柔軟剤、沈降防止剤、特にアエロジル（Ａｅｒｏｓｉｌ）、撥水剤および撥油剤、防湿剤、抑制剤および親水化剤からなる群から選択されることも本発明の範囲にある。 The additives include matting agents, flow control agents, slip agents, adhesion promoters, softeners, anti-settling agents, especially Aerosil, water and oil repellents, moisture proofing agents, inhibitors and hydrophilizing agents. It is within the scope of the present invention to be selected from the group consisting of
これに関して、シランは、特に適切な接着促進剤であり、シリコーンは特に適切な柔軟剤である。 In this regard, silane is a particularly suitable adhesion promoter and silicone is a particularly suitable softener.
本発明によれば、着色料は、無機顔料または有機顔料、二酸化チタン、カーボンブラックおよび酸化鉄からなる群から選択される。 According to the invention, the colorant is selected from the group consisting of inorganic or organic pigments, titanium dioxide, carbon black and iron oxide.
本発明は、実施形態を参照して下記で詳細に説明される。 The invention is described in detail below with reference to embodiments.
１００ｇのキシレンを、１００ｇの微細な、薄片状の亜鉛粉末および１５ｇの同様に薄片状のアルミニウム顔料ペーストの混合物の上へと注いだ。この反応混合物を密閉容器の中で２４時間放置し、次いで低速撹拌機を用いて２時間均質化した。 100 g of xylene was poured onto a mixture of 100 g of fine, flaky zinc powder and 15 g of similarly flaky aluminum pigment paste. The reaction mixture was left in a closed vessel for 24 hours and then homogenized for 2 hours using a low speed stirrer.
４０ｇのオルトチタン酸テトラ−ｎ−ブチルを、乾燥窒素雰囲気下でこの反応混合物へと混ぜ込み、この混合物を、低速撹拌機を用いて１時間均質化し、次いで１２時間還流させた。亜鉛およびアルミニウムの粒子は、このプロセスの間にこの有機金属成分によって表面改質される。この反応混合物を再度室温まで冷却した後、さらに４０ｇのオルトチタン酸テトラ−ｎ−ブチルを乾燥窒素雰囲気下で混ぜ込み、さらに５時間、撹拌を続けた。 40 g of tetra-n-butyl orthotitanate was mixed into the reaction mixture under a dry nitrogen atmosphere and the mixture was homogenized for 1 hour using a low speed stirrer and then refluxed for 12 hours. Zinc and aluminum particles are surface modified by the organometallic component during the process. After the reaction mixture was cooled again to room temperature, another 40 g of tetra-n-butyl orthotitanate was mixed under a dry nitrogen atmosphere and stirring was continued for another 5 hours.
次いで、さらに４０ｇのオルトチタン酸テトラ−ｎ−ブチルを添加し、この混合物が均一になるまでこの混合物を撹拌した。次いで、元の量のうちの３００ｇだけが残るまで、この反応混合物全体をロータリー・エバポレーターの中、浴温度で、真空下で濃縮した。 A further 40 g of tetra-n-butyl orthotitanate was then added and the mixture was stirred until the mixture was homogeneous. The entire reaction mixture was then concentrated under vacuum at a bath temperature in a rotary evaporator until only 300 g of the original amount remained.
塗布の間、この液体コーティング材料を連続的に撹拌して、固形成分が沈降するのを防ぐ。 During application, the liquid coating material is continuously agitated to prevent settling of the solid components.
８０ｇのコーティング材料を７５ｇのキシレンおよび５ｇのメチルエチルケトンで希釈し、４００ｍｌのエアロゾル缶に充填し、密閉して、２００ｇのプロパン／ブタン噴霧剤混合物を加えた。このスプレー缶の内容物を、脱脂し清浄にした鋼板に、クロスハッチ手法によって塗布し、標準大気湿度条件（３０〜６０％湿度）下、室温（２０〜２５℃）で１日乾燥した。良好な活性な耐食をもたらす耐摩耗性のグレーメタリックのコーティングが得られた。 80 g of coating material was diluted with 75 g of xylene and 5 g of methyl ethyl ketone, filled into a 400 ml aerosol can, sealed, and 200 g of propane / butane propellant mixture was added. The contents of this spray can were applied to a degreased and cleaned steel plate by a cross-hatch technique and dried at room temperature (20-25 ° C.) for 1 day under standard atmospheric humidity conditions (30-60% humidity). A wear-resistant gray metallic coating was obtained that gave good active corrosion resistance.
本発明は、室温で硬化するコーティング剤の使用に関する。 The present invention relates to the use of coating agents that cure at room temperature.
腐食に対する活性な保護のための亜鉛または亜鉛合金に基づく金属コーティング剤は、先行技術から公知である。塩水噴霧試験では、これらのコーティング剤は、コーティング厚さがおよそ７μｍであるとき、およそ１００時間の活性な耐食を与える。それゆえ、十分な耐食を得るために、５０〜６０μｍの厚さのコーティングを使用することが慣用的である。 Metal coating agents based on zinc or zinc alloys for active protection against corrosion are known from the prior art. In the salt spray test, these coatings give an active corrosion resistance of approximately 100 hours when the coating thickness is approximately 7 μm. It is therefore customary to use a coating with a thickness of 50-60 μm in order to obtain sufficient corrosion resistance.
永久的な耐腐食性が必要とされるところでは、保護されるべき表面は、塗料、ワニスもしくはスポットシーラーとして知られるものの塗布により、または電気化学的ディップコーティングにより追加的に不動態化されてもよい。 Where permanent corrosion resistance is required, the surface to be protected may be additionally passivated by application of what is known as paint, varnish or spot sealer, or by electrochemical dip coating. Good.
あるいは、亜鉛コーティングの厚さが、例えば溶融亜鉛めっきによっておよそ７０μｍまで厚くされてもよい。 Alternatively, the thickness of the zinc coating may be increased to approximately 70 μm, for example by hot dip galvanizing.
亜鉛フレークコーティングは、５〜１０μｍ厚さという比較的薄層で塗布されたときでさえ非常に良好な耐腐食性を示すが、亜鉛フレークコーティングはスプレー塗りに適していない。なぜなら、亜鉛フレークコーティングを硬化させるために、少なくとも２５０℃という温度が仕様とされているからである。 Although the zinc flake coating exhibits very good corrosion resistance even when applied in relatively thin layers of 5-10 μm thickness, the zinc flake coating is not suitable for spraying. This is because a temperature of at least 250 ° C. is specified to cure the zinc flake coating.
特許文献１は、活性な耐食コーティングを作製する方法であって、スケール防止層を具える鋼エレメントがアニールされて反応層が形成され、その後、この反応層の上に耐食コーティングが適用される方法を記載する。しかしながら、この手順は面倒であり、どうしてもアニールする必要がある鋼部品の場合に関心が持たれるのみである。Patent Document 1 is a method for producing an active corrosion-resistant coating, in which a steel element having a scale prevention layer is annealed to form a reaction layer, and then the corrosion-resistant coating is applied on the reaction layer. Is described. However, this procedure is cumbersome and is only of interest for steel parts that need to be annealed.
特許文献２は、チタン酸テトラブチル、亜鉛末およびキシレンを含有する室温硬化性コーティングを記載する。U.S. Patent No. 6,057,031 describes a room temperature curable coating containing tetrabutyl titanate, zinc dust and xylene.
従って、本発明の目的は、カソード耐食を提供しかつエアロゾルとしておよびはけ塗り塗料として適用できる室温硬化性コーティング剤を創出することである。 Accordingly, it is an object of the present invention to create a room temperature curable coating that provides cathodic corrosion resistance and can be applied as an aerosol and as a brush paint.
この前提部に従う使用のために、この目的は、以下の方法：
ａ）５〜９５重量％の金属アルコキシドを５〜９５重量％の金属顔料と混合することと、
ｂ）溶媒および（固形物の量に対して）１０重量％までの触媒を添加することであって、当該触媒は、ルイス酸、有機酸および有機塩基、無機塩基、官能性シラン、特にアミノシラン、無機酸、特に硫酸またはリン酸、リン酸塩もしくはリン酸エステルまたはブロックされたリン酸塩もしくはリン酸エステルからなる群から選択されることと
に従って製造される、カソード耐食を提供するための室温硬化性コーティング剤が、エアロゾルまたははけ塗り塗料の形態で使用され、当該コーティング剤は、金属基材の上へと塗布され、その後、室温で乾燥されるという点で、本発明によって確立される。
For use according to this premise, this purpose is the following method:
a) mixing 5 to 95% by weight of metal alkoxide with 5 to 95% by weight of metal pigment;
b) adding a solvent and up to 10% by weight of catalyst (relative to the amount of solids) , the catalyst comprising a Lewis acid, an organic acid and an organic base, an inorganic base, a functional silane, in particular an aminosilane, Room temperature curing to provide cathodic corrosion resistance, manufactured according to being selected from the group consisting of inorganic acids, in particular sulfuric acid or phosphoric acid, phosphates or phosphate esters or blocked phosphates or phosphate esters sex coating agent, is used in the form of an aerosol or brushing coating, the coating agent is applied to the top of the metal substrate, then, in that Ru is dried at room temperature, it is established by the present invention.
カソード耐食はこのようにして得られ、このカソード耐食は、異なる金属からなる基材における接触腐食をも効果的に防止する。本発明に関して、本発明のコーティング剤は、個々の金属粒子を伝導性のまたは半伝導性の金属酸化物コーティングで被覆すること、例えば亜鉛上の二酸化チタンコーティングによって、活性の低下の制御を成し遂げるということが示された。金属粒子は、当該金属アルコキシドによって「その場で」不動態化され、室温で硬化する従来の亜鉛コーティングに典型的な白錆の形成を防止する。溶接性は保たれ、当該コーティング剤を上塗りすることができる。当該コーティング剤の表面は汚れにくく、疎水性および撥油性を有する。当該コーティング剤の「自己回復性表面」のおかげで、当該コーティング剤は、比較的耐スリキズ性および耐摩耗性があり、ポリウレタンシーラントおよびシリコーンシーラントに対して良好な接着表面を提供する。 Cathodic corrosion resistance is thus obtained, and this cathodic corrosion resistance also effectively prevents contact corrosion in substrates made of different metals. In the context of the present invention, the coating agent of the present invention achieves controlled activity reduction by coating individual metal particles with a conductive or semiconductive metal oxide coating, for example, a titanium dioxide coating on zinc. It was shown that. The metal particles are “in situ” passivated by the metal alkoxide, preventing the formation of white rust typical of conventional zinc coatings that cure at room temperature. The weldability is maintained and the coating agent can be overcoated. The surface of the coating agent is hardly soiled and has hydrophobicity and oil repellency. Thanks to the “self-healing surface” of the coating agent, the coating agent is relatively scratch and abrasion resistant and provides a good adhesive surface for polyurethane and silicone sealants.
本発明の１つの実施形態は、（いずれの場合も固形物の量に対して）２０重量％まで、好ましくは０〜１０重量％、最も好ましくは０．１〜２．５重量％の添加剤が添加されることにある。 One embodiment of the invention is an additive up to 20% by weight (in each case based on the amount of solids), preferably 0-10% by weight, most preferably 0.1-2.5% by weight. Is to be added.
（いずれの場合も固形物の量に対して）５０重量％まで、好ましくは０〜２５重量％、最も好ましくは０〜１０重量％の着色料が添加されることも本発明の範囲にある。 It is within the scope of the invention that up to 50% by weight (in each case relative to the amount of solids), preferably 0 to 25% by weight, most preferably 0 to 10% by weight of colorant is added.
当該コーティング剤はすでに金属の効果を有するが、当該コーティング剤は、無機もしくは有機の着色料または顔料の添加によりそれぞれの基材に合うように調整されてもよい。例えば、種々の亜鉛および金属の色合い、例えばステンレス鋼およびアルミニウムなどを作製することが可能であるが、他の色も可能である。 The coating agent already has a metallic effect, but the coating agent may be adjusted to suit the respective substrate by the addition of inorganic or organic colorants or pigments. For example, various zinc and metal shades can be made, such as stainless steel and aluminum, but other colors are possible.
本発明のコーティング剤は、金属基材、特に鋼鉄、合金鋼、亜鉛、亜鉛めっき鋼板、アルミニウムまたはアルミニウム合金の上への噴霧、特にエアロゾル缶または吹き付け器からの噴霧、はけ塗りまたはローラー塗りによって塗布され、その後、室温で乾燥されてもよい。この基材は、例えば溶接、ボルト締めまたはリベット打ちによって一緒に接合されたこれらの金属のうちの２以上を含む複合材料であってもよい。 The coating agent according to the invention can be applied by spraying onto metal substrates, in particular steel, alloy steel, zinc, galvanized steel sheets, aluminum or aluminum alloys, in particular spraying from aerosol cans or sprayers, brushing or roller coating. It may be applied and then dried at room temperature. The substrate may be a composite material comprising two or more of these metals joined together, for example by welding, bolting or riveting.
当該コーティング剤が５〜６０μｍの層厚さで、好ましくは５〜２５μｍの層厚さで、さらにより好ましくは１０〜１５μｍの層厚さで塗布されることは本発明の範囲にある。 It is within the scope of the present invention that the coating agent is applied with a layer thickness of 5-60 μm, preferably with a layer thickness of 5-25 μm, and even more preferably with a layer thickness of 10-15 μm.
非常に良好な耐食を生成するためには、先行技術におけるよりも明らかに薄いコーティング厚さで十分であるということが、本発明の範囲で明らかになる。 It will be clear within the scope of the present invention that an apparently lower coating thickness is sufficient to produce very good corrosion resistance than in the prior art.
本発明の好ましい実施形態は、当該金属アルコキシドが、チタンアルコキシド、特にチタンブチレート、チタンプロピレートまたはチタンイソプロピレート、ジルコニウムアルコキシド、アルミニウムアルコキシドおよびスズアルコキシドからなる群から選択され、金属含有量が、いずれの場合も、１〜５０重量％、好ましくは１〜４０重量％、さらにより好ましくは１〜３０重量％の範囲にあるということにある。 In a preferred embodiment of the present invention, the metal alkoxide is selected from the group consisting of titanium alkoxides, in particular titanium butyrate, titanium propylate or titanium isopropylate, zirconium alkoxide, aluminum alkoxide and tin alkoxide, and the metal content is any In this case, it is 1 to 50% by weight, preferably 1 to 40% by weight, and more preferably 1 to 30% by weight.
金属顔料が、亜鉛、アルミニウムおよびマグネシウム、ならびにそれらの混合物および合金からなる群から選択されることは本発明の範囲にある。 It is within the scope of the present invention that the metal pigment is selected from the group consisting of zinc, aluminum and magnesium, and mixtures and alloys thereof.
亜鉛ならびに亜鉛およびアルミニウムの混合物または合金が好ましい。 Zinc and mixtures or alloys of zinc and aluminum are preferred.
本発明のさらに好ましい実施形態によれば、当該溶媒は、好ましくは水、アルコール、プロトン性もしくは非プロトン性の溶媒を含有するかまたはこれらからなり、この溶媒は、最も好ましくはトルエン、ブチルグリコール、キシレンもしくはイソプロパノールからなるかまたはこれらを含有する。 According to a further preferred embodiment of the invention, the solvent preferably contains or consists of water, alcohol, protic or aprotic solvent, most preferably toluene, butyl glycol, Consists of or contains xylene or isopropanol.
本発明の好ましい実施形態によれば、室温硬化性コーティング剤がエアロゾルの形態で使用される必要がある場合は、プロパン、ブタン、ケトン、エーテル、二酸化炭素、窒素、クロロフルオロカーボンまたは笑気からなる群から選択される噴霧剤が添加される。 According to a preferred embodiment of the present invention, when the room temperature curable coating agent needs to be used in the form of an aerosol, the group consisting of propane, butane, ketone, ether, carbon dioxide, nitrogen, chlorofluorocarbon or laughing gas A propellant selected from is added.
室温硬化性コーティング剤がエアロゾルの形態で使用される必要がある場面では、その室温硬化性コーティング剤は、２〜４０重量％、好ましくは５〜２５重量％、さらにより好ましくは５〜１５重量％の固形分含量まで溶媒または溶媒混合物で目的に合わせて希釈される。 In situations where a room temperature curable coating agent needs to be used in the form of an aerosol, the room temperature curable coating agent is 2-40% by weight, preferably 5-25% by weight, even more preferably 5-15% by weight. Dilute to the desired content with a solvent or solvent mixture to a solids content of
室温硬化性コーティング剤がはけ塗り塗料の形態で使用される必要がある場面では、本発明の別の実施形態によれば、室温硬化性コーティング剤を、溶媒または溶媒混合物で２５〜７５重量％、好ましくは４０〜６０重量％の固形分含量まで希釈することが有利である。 In situations where a room temperature curable coating agent needs to be used in the form of a brush paint, according to another embodiment of the present invention, the room temperature curable coating agent is 25-75% by weight in a solvent or solvent mixture. It is advantageous to dilute to a solids content of preferably 40 to 60% by weight .
当該添加剤が、艶消し剤、流れ調整剤、スリップ剤、接着促進剤、柔軟剤、沈降防止剤、特にアエロジル（Ａｅｒｏｓｉｌ）、撥水剤および撥油剤、防湿剤、抑制剤および親水化剤からなる群から選択されることも本発明の範囲にある。 Those the additive is, matting agents, flow control agents, slip agents, adhesion promoters, softeners, anti-settling agents, in particular Aerosil (Aerosil), water repellents and oil repellents, moisture agents, inhibitors and the hydrophilizing agent It is within the scope of the present invention to be selected from the group consisting of
これに関して、シランは、特に適切な接着促進剤であり、シリコーンは特に適切な柔軟剤である。 In this regard, silane is a particularly suitable adhesion promoter and silicone is a particularly suitable softener.
本発明によれば、着色料は、無機顔料または有機顔料、二酸化チタン、カーボンブラックおよび酸化鉄からなる群から選択される。 According to the invention, the colorant is selected from the group consisting of inorganic or organic pigments, titanium dioxide, carbon black and iron oxide .
Claims (13)
ａ）５〜９５重量％の金属アルコキシドを５〜９５重量％の金属顔料と混合することと、
ｂ）溶媒および（固形物の量に対して）１０重量％までの触媒を添加することと
に従って製造される、エアロゾルまたははけ塗り塗料の形態でカソード耐食を提供するための室温硬化性コーティング剤の使用。 The following methods:
a) mixing 5 to 95% by weight of metal alkoxide with 5 to 95% by weight of metal pigment;
b) Room temperature curable coatings for providing cathodic corrosion resistance in the form of aerosols or brush paints prepared according to addition of solvent and up to 10% by weight of catalyst (based on the amount of solids) Use of.
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| DE102009044043A DE102009044043A1 (en) | 2009-09-17 | 2009-09-17 | Use of a room temperature-curing coating composition |
| PCT/DE2010/075090 WO2011032555A1 (en) | 2009-09-17 | 2010-09-15 | Use of a coating agent that cures at room temperature |
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| JP (1) | JP2013505116A (en) |
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|---|---|---|---|---|
| CN104031453A (en) * | 2014-06-11 | 2014-09-10 | 张家港沙龙精密管业有限公司 | Anti-rust paint for metal products |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011054615A1 (en) * | 2011-10-19 | 2013-04-25 | Nano-X Gmbh | Process for producing hardenable materials |
| DE102013102566A1 (en) | 2012-08-30 | 2014-06-18 | Paul Hettich Gmbh & Co. Kg | Producing metallic component of fitting used in furnace, comprises degreasing metallic component, and applying magnesium-containing coating on metal component surface to form magnesium-containing anti-corrosive passive layer |
| DE102013001498A1 (en) | 2013-01-29 | 2014-07-31 | NANO - X GmbH | Paint structure and its use as vehicle paint, marine paint, building protection or industrial paint |
| WO2018058412A1 (en) * | 2016-09-29 | 2018-04-05 | 张振宾 | Metallic paint and preparation method therefor |
| DE102017116514A1 (en) * | 2017-07-21 | 2019-01-24 | Schaeffler Technologies AG & Co. KG | Wheel bearing assembly with a coating |
| US20210189570A1 (en) * | 2019-12-23 | 2021-06-24 | Saudi Arabian Oil Company | Oleophobic and hydrophilic conductive coating for impressed current cathodic protection anode |
| CN111205691B (en) * | 2020-02-19 | 2021-09-10 | 绍兴顺泰机械科技有限公司 | Aluminum-containing coating composition for automobile ball joint assembly and application thereof |
| CN111205724B (en) * | 2020-02-19 | 2021-09-10 | 绍兴顺泰机械科技有限公司 | Magnesium-containing coating composition for automobile ball joint assembly and application thereof |
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| JP2004035947A (en) * | 2002-07-03 | 2004-02-05 | Shikoku Res Inst Inc | Anticorrosive coating material for aerosol spray can and ordinary simple repair method using the same |
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| WO2009021489A2 (en) * | 2007-08-13 | 2009-02-19 | Nano-X Gmbh | Process for producing an active cathodic anti-corrosion coating on steel components |
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| DE4205819A1 (en) * | 1992-02-26 | 1993-09-02 | Henkel Kgaa | Stable water free compsn. for anticorrosion layer on metal esp. aluminium@ or alloy - prepd. by reacting titanium alkoxide or zirconium alkoxide, silane contg. epoxy gps. and silane contg. amino gps. |
| GB9900955D0 (en) * | 1999-01-15 | 1999-03-10 | Imperial College | Material deposition |
| GB2350841B (en) * | 1999-06-08 | 2001-12-19 | Kansai Paint Co Ltd | Inorganic film-forming coating composition, preparation method therof and inorganic film-forming method |
| US6579472B2 (en) * | 2001-07-27 | 2003-06-17 | The Boeing Company | Corrosion inhibiting sol-gel coatings for metal alloys |
| US7077895B2 (en) * | 2001-10-30 | 2006-07-18 | Kansai Paint Co., Ltd. | Coating compound for forming titanium oxide film, method for forming titanium oxide film and metal susbstrate coated with titanium oxide film |
| DE102007003761B4 (en) * | 2007-01-19 | 2016-01-28 | Airbus Operations Gmbh | Coated substrates with heterogeneous surface properties |
| US8343437B2 (en) * | 2008-06-04 | 2013-01-01 | Jp Laboratories, Inc. | Monitoring system based on etching of metals |
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2009
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2010
- 2010-09-15 CA CA2773280A patent/CA2773280A1/en not_active Abandoned
- 2010-09-15 EP EP10781407A patent/EP2478062A1/en not_active Withdrawn
- 2010-09-15 WO PCT/DE2010/075090 patent/WO2011032555A1/en active Application Filing
- 2010-09-15 BR BR112012005831A patent/BR112012005831A2/en not_active IP Right Cessation
- 2010-09-15 JP JP2012529125A patent/JP2013505116A/en active Pending
- 2010-09-15 RU RU2012115092/05A patent/RU2012115092A/en not_active Application Discontinuation
- 2010-09-15 US US13/496,634 patent/US20120177835A1/en not_active Abandoned
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| JP2004035947A (en) * | 2002-07-03 | 2004-02-05 | Shikoku Res Inst Inc | Anticorrosive coating material for aerosol spray can and ordinary simple repair method using the same |
| JP2005232537A (en) * | 2004-02-19 | 2005-09-02 | Kinzoku Kagaku Kenkyusho:Kk | Anticorrosive agent and coated article |
| JP2006265431A (en) * | 2005-03-25 | 2006-10-05 | Aica Kogyo Co Ltd | Silicon-containing composition |
| WO2009021489A2 (en) * | 2007-08-13 | 2009-02-19 | Nano-X Gmbh | Process for producing an active cathodic anti-corrosion coating on steel components |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104031453A (en) * | 2014-06-11 | 2014-09-10 | 张家港沙龙精密管业有限公司 | Anti-rust paint for metal products |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2478062A1 (en) | 2012-07-25 |
| DE102009044043A1 (en) | 2011-03-31 |
| WO2011032555A1 (en) | 2011-03-24 |
| CA2773280A1 (en) | 2011-03-24 |
| US20120177835A1 (en) | 2012-07-12 |
| BR112012005831A2 (en) | 2017-05-30 |
| RU2012115092A (en) | 2013-10-27 |
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