CN103788836A - Metal protection paint, preparation method, application and hot-dip metal material - Google Patents
Metal protection paint, preparation method, application and hot-dip metal material Download PDFInfo
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- CN103788836A CN103788836A CN201210424588.4A CN201210424588A CN103788836A CN 103788836 A CN103788836 A CN 103788836A CN 201210424588 A CN201210424588 A CN 201210424588A CN 103788836 A CN103788836 A CN 103788836A
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Abstract
The invention provides a preparation method of a metal protection paint, which is characterized in that water, a silane coupling agent, a water-soluble silicate, a silicon oxide filling material and water-soluble film forming resin are uniformly mixed in order. The invention also provides the metal protection paint obtained by the above preparation method and application of the metal protection paint in preparation of a metal material. The invention also provides a hot-dip metal material, which comprises a hot-dip metal base material and a coating attached on the hot-dip metal base material, and the coating is a solidification product of the metal protection paint. A protecting film formed by the metal protection paint has excellent corrosion resistance. In addition, the metal protection paint has excellent storage resistance, the metal protection paint can stored under room temperature for 180 days after the preparation is completed, and no obvious property change and performance decrease can be generated.
Description
Technical field
The present invention relates to metal protection field, particularly, the metal protection coating that relates to a kind of preparation method of metal protection coating, obtained by this preparation method, the purposes of this metal protection coating and hot-dip metal plated material.
Background technology
Hot-dip metal plated material, comprises hot-dip galvanized metal material and hot-dip aluminizing zinc metallic substance, in order to prevent corrosion, and all can be at the surface of hot-dip metal plated material coating layer of metal protective coating to form protective film.Thereby the performance of metal protection coating is very important for the rust protection of hot-dip metal plated material.
For example, CN101608306A discloses a kind of passivating solution, also belongs to a kind of metal protection coating, it is characterized in that, this passivating solution is the aqueous solution that contains water-soluble molybdenum compound, boric acid, water soluble organic substance and silicon sol, and wherein, described water soluble organic substance is the mixture of alcohol and organic carboxyl acid.
But the solidity to corrosion that experiment showed, the protective film that this metal protection coating forms is still poor.
Summary of the invention
The poor defect of solidity to corrosion that the object of the invention is the protective film that overcomes existing metal protection coating formation, provides a kind of metal protection coating that can form the good protective film of solidity to corrosion.
To achieve these goals, the invention provides a kind of preparation method of metal protection coating, the method comprises water, silane coupling agent, water-soluble silicate, cilicon oxide filler and water-soluble film-forming resin is mixed successively; Described silane coupling agent is R-Si (OCH
3)
3, R-Si (OC
2h
5)
3, R-SiCH
3(OCH
3)
2and R-SiCH
3(OC
2h
5)
2in at least one, and R is selected from NH independently of one another
2(CH
2)
2nH (CH
2)
3-, NH
2(CH
2)
2nHCH
2cH (CH
3) CH
2-, HO (CH
2)
2nH (CH
2)
2nH (CH
2)
3-or NH
2(CH
2)
2nH (CH
2)
2nH (CH
2)
3-.
The present invention also provides the metal protection preparing according to preparation method as above coating.
The present invention also provides above-mentioned metal protection coating in the purposes of preparing in metallic substance.
The present invention also provides a kind of hot-dip metal plated material, this hot-dip metal plated material comprises hot-dip metal plated base material and is attached to the coating on this hot-dip metal plated base material, described hot-dip metal plated base material is at least one in pot galvanize metal base, hot-dip aluminizing zinc metal base and hot-dip aluminizing zinc magnesium metal base material, it is characterized in that, described coating is the cured product of metal protection coating as above.
By technique scheme, the solidity to corrosion of the protective film that metal protection coating provided by the invention forms is very good.In addition, the storage endurance of metal protection coating provided by the invention is very excellent, can at room temperature store 180 days and obvious proterties does not occur change and degradation after preparation completes.
Other features and advantages of the present invention are described in detail the embodiment part subsequently.
Embodiment
Below the specific embodiment of the present invention is elaborated.Should be understood that, embodiment described herein only, for description and interpretation the present invention, is not limited to the present invention.
The invention provides a kind of preparation method of metal protection coating, the method comprises water, silane coupling agent, water-soluble silicate, cilicon oxide filler and water-soluble film-forming resin is mixed successively; Described silane coupling agent is R-Si (OCH
3)
3, R-Si (OC
2h
5)
3, R-SiCH
3(OCH
3)
2and R-SiCH
3(OC
2h
5)
2in at least one, and R is selected from NH independently of one another
2(CH
2)
2nH (CH
2)
3-, NH
2(CH
2)
2nHCH
2cH (CH
3) CH
2-, HO (CH
2)
2nH (CH
2)
2nH (CH
2)
3-or NH
2(CH
2)
2nH (CH
2)
2nH (CH
2)
3-.
Wherein, at length, the method comprises: (1) mixes water and described silane coupling agent, obtains uniform liquid A; (2) described uniform liquid A and water-soluble silicate are mixed, obtain uniform liquid B; (3) described uniform liquid B and cilicon oxide filler are mixed, obtain uniform liquid C; (4) described uniform liquid C is mixed with water-soluble film-forming resin, obtain uniform liquid D.Wherein, there is no particular limitation for the method mixing, as long as can obtain uniform stable phase, preferably makes to mix more even by stirring.
According to the preparation method of metal protection coating provided by the invention, wherein, with respect to the described water-soluble silicate of 1 weight part, the consumption of described silane coupling agent can be 0.5-4.5 weight part, is preferably 1.4-1.8 weight part.
Wherein, with respect to the described water-soluble silicate of 1 weight part, the consumption of described cilicon oxide filler can be 0.25-2.2 weight part, is preferably 0.6-0.85 weight part.
Wherein, with respect to the described water-soluble silicate of 1 weight part, in solid, the consumption of described water-soluble film-forming resin can be 0.8-6.8 weight part, is preferably 2.1-2.7 weight part.Herein solid with for calculating or representing that the solid implication of solid content is identical, be water-soluble film-forming resin except remaining composition after desolventizing.
Wherein, with respect to the described water-soluble silicate of 1 weight part, the consumption of water is 10-100 weight part, is preferably 25-40 weight part.It should be noted that, in the present invention, the consumption of said water refers to the amount of the water of other interpolation, do not comprise in above-mentioned other component of adding with solution or emulsion mode with the amount of water.
According to the preparation method of metal protection coating provided by the invention, wherein, under preferable case, described silane coupling agent is NH
2(CH
2)
2nH (CH
2)
3si (OCH
3)
3, NH
2(CH
2)
2nH (CH
2)
3si (OC
2h
5)
3, NH
2(CH
2)
2nH (CH
2)
3siCH
3(OCH
3)
2, NH
2(CH
2)
2nHCH
2cH (CH
3) CH
2cH
3(OCH
3)
2, HO (CH
2)
2nH (CH
2)
2nH (CH
2)
3siCH
3(OCH
3)
2, NH
2(CH
2)
2nH (CH
2)
2nH (CH
2)
3siCH
3(OCH
3)
2and NH
2(CH
2)
2nH (CH
2)
2nH (CH
2)
3si (OCH
3)
3in at least one.Wherein, NH
2(CH
2)
2nH (CH
2)
3si (OCH
3)
3(being called N-aminoethyl-γ-aminopropyltrimethoxysilane), NH
2(CH
2)
2nH (CH
2)
3si (OC
2h
5)
3(being called N-aminoethyl-γ-aminopropyl triethoxysilane), NH
2(CH
2)
2nH (CH
2)
3siCH
3(OCH
3)
2(being called N-aminoethyl-γ-aminopropyl methyl dimethoxysilane), NH
2(CH
2)
2nHCH
2cH (CH
3) CH
2cH
3(OCH
3)
2(being called aminoethyl ammonia isobutyl-methyl dimethoxysilane), HO (CH
2)
2nH (CH
2)
2nH (CH
2)
3siCH
3(OCH
3)
2(being called 3-(2-hydroxyethyl aminoethyl)-aminopropyl methyl dimethoxysilane), NH
2(CH
2)
2nH (CH
2)
2nH (CH
2)
3siCH
3(OCH
3)
2(being called diethylenetriamine base propyl group methyl dimethoxysilane) and NH
2(CH
2)
2nH (CH
2)
2nH (CH
2)
3si (OCH
3)
3(being called diethylenetriamine base propyl trimethoxy silicane) can be used as silane coupling agent, commodity shown in the commercially available various above-mentioned chemical formula that can be used as silane coupling agent may be used to the present invention, for example, be the commercially available product of DB-792, DB-793, DB-602, DB-604, DB-2602, DB-5551 and DB-4552 purchased from the trade mark of Debang Chemical New Material Co., Ltd..Wherein, more preferably described silane coupling agent is NH
2(CH
2)
2nH (CH
2)
3si (OCH
3)
3, NH
2(CH
2)
2nH (CH
2)
3si (OC
2h
5)
3and NH
2(CH
2)
2nH (CH
2)
3siCH
3(OCH
3)
2in at least one.
According to the preparation method of metal protection coating provided by the invention, wherein, described water-soluble silicate can be water glass and/or potassium silicate.Described water glass can be at least one in anhydrous sodium metasilicate, SODIUM METASILICATE PENTAHYDRATE and nine water water glass.And the consumption of described water-soluble silicate is to calculate with the amount of anhydrous silicate.
According to the preparation method of metal protection coating provided by the invention, wherein, described cilicon oxide filler does not have special requirement, can be the various fillers take silicon oxide as main body, for example, described cilicon oxide filler can be nano-silica powder and/or nano silicon dioxide sol; Under preferable case, the particle diameter of the silicon oxide in described cilicon oxide filler can be 5-90nm, more preferably 5-30nm, for example, the commercially available product that can to use purchased from the trade mark of Asahi Denka Co., Ltd. be AT-30, AT-30S, AT-40, AT-30A and AT-20, or be the commercially available product of SS-25 and SS-30 purchased from the trade mark of Shandong Bai Te novel material company limited.And, the consumption of cilicon oxide filler is to calculate with the weight of silicon oxide itself, the consumption of for example nano silicon dioxide sol is to calculate with the amount of the silicon-dioxide in colloidal sol, is multiplied by with the weight of nano silicon dioxide sol the numerical evaluation obtaining after its dioxide-containing silica percentage ratio (weight).
According to the preparation method of metal protection coating provided by the invention, wherein, described water-soluble film-forming resin can be for various water miscible and can be used in modification or the unmodified resin of film forming, described resin can use with suitable goods form, for example water-soluble emulsion, at least one in water-soluble solution and water-soluble solid, the present invention does not have special requirement, as long as the film forming of can be used in, for example, described water-soluble film-forming resin can be the water-soluble polyester film-forming resin (water-soluble film-forming resin being obtained by polyalcohols monomer and polynary acids monomer polymerization, for example, purchased from Guangzhou Lapo Fine Chemicals Co., Ltd., the vibrin of trade mark CB2200), water-soluble phenylpropyl alcohol film-forming resin (by styrene monomer and vinylformic acid (ester) class monomer polymerization and water-soluble film-forming resin, for example, purchased from Guangzhou Chao Long Chemical Industry Science Co., Ltd, the trade mark is the benzene emulsion of xy-108b), soluble epoxide film-forming resin (the water-soluble film-forming resin being obtained by the monomer polymerization that contains epoxy group(ing), for example, purchased from Dongguan City Heima Chemical Co., Ltd., the trade mark is the epoxy resin of BH620), aqurous ployurethane film-forming resin (by multicomponent isocyanate class monomer and multi-hydroxy compounds monomer polymerization and water-soluble film-forming resin, for example, purchased from Jinjiang, Fujian Province Jian Hua company, the urethane resin of the trade mark 812), water-soluble silicon the third film-forming resin (by silicone based monomer and vinylformic acid (ester) class monomer polymerization and water-soluble film-forming resin, the for example Qingdao paint company TC-05 type organosilicon crylic acid latex of making the country prosperous, solid content is 48 % by weight), water-soluble acrylic film-forming resin (the water-soluble film-forming resin being obtained by vinylformic acid (ester) class monomer polymerization, the acrylic resin that is for example A-3418 purchased from the trade mark of Guangzhou Ou Peng chemical industry) and the water-soluble fluorine carbon film-forming resin (water-soluble film-forming resin being obtained by fluorinated monomer polymerization, for example, purchased from Beijing Shouchuang Nano Techn Co., Ltd., the trade mark is the water-base fluorocarbon emulsion of SKFT-I) at least one, under preferable case, described water-soluble film-forming resin is at least one in water-soluble phenylpropyl alcohol film-forming resin, soluble epoxide film-forming resin, water-soluble silicon the third film-forming resin, water-soluble acrylic film-forming resin, aqurous ployurethane film-forming resin and water-soluble polyester film-forming resin.More preferably, wherein, described water-soluble silicon the third film-forming resin is Silomer 8861 emulsions (purchased from Richdale Special Chemicals Inc., Rui De special chemical companies).
According to the preparation method of metal protection coating provided by the invention, wherein, in order further to improve the lubricity of the protective film forming, under preferable case, this preparation method also comprises: the material after water and silane coupling agent are mixed mixes with lubricating auxiliary agent, one or more in the water-based emulsion that described lubricating auxiliary agent is dimethyl silicone oil, polyether-modified polysiloxane, the water-based emulsion of polyethylene wax and the water-based emulsion of oxidized polyethlene wax.
More preferably, with respect to the described water-soluble silicate of 1 weight part, the content of described lubricating auxiliary agent is 0.2-1.8 weight part, more preferably 0.5-0.7 weight part.
Wherein, the solid content of the water-based emulsion of described dimethyl silicone oil can be 10-90 % by weight, is preferably 30-80 % by weight.It should be noted that, the water-based emulsion of dimethyl silicone oil is when preparing metal protection coating provided by the invention, and its consumption refers to that the gross weight of water-based emulsion is multiplied by the numerical value obtaining after its solid content.It should be noted that, the solid content of the water-based emulsion of described dimethyl silicone oil refers to the content of the water-based emulsion of the described dimethyl silicone oil of preparation dimethyl silicone oil used.Described dimethyl silicone oil refers to water-insoluble unmodified dimethyl silicone oil.
Wherein, the dimethyl-silicon oil viscosity in the water-based emulsion of described dimethyl silicone oil can be 500-50000mPaS, is preferably 1000-40000mPaS, more preferably 1500-30000mPaS.
Wherein, described polyether-modified polysiloxane is commonly called as water-soluble dimethyl silicone oil, and existing various water-soluble dimethyl silicone oil all can be used for realizing object of the present invention as described lubricating auxiliary agent in the present invention.Preferably described polyether-modified polysiloxane is that viscosity is 100-10000mPaS, is preferably 500-8000mPaS, and more preferably 1000-6000mPaS is further preferably the water-soluble dimethyl silicone oil of 2000-5000mPaS.
It should be noted that, in the present invention, do not do in the situation of contrary explanation, described viscosity refers to the apparent viscosity numerical value recording at 25 ℃.
Wherein, the water-based emulsion of described polyethylene wax can be according to ordinary method by the water-based emulsion obtaining after polyethylene wax emulsification, the solid content of the water-based emulsion of described polyethylene wax can be 30-60 % by weight, is preferably 40-50 % by weight.It should be noted that, the water-based emulsion of polyethylene wax is when preparing metal protection coating provided by the invention, and its consumption refers to that the gross weight of water-based emulsion is multiplied by the numerical value obtaining after its solid content.
Wherein, the fusing point of the polyethylene wax in the water-based emulsion of described polyethylene wax can be 90-130 ℃, is preferably 100-120 ℃, more preferably 105-115 ℃.
Wherein, the water-based emulsion of described oxidized polyethlene wax can be according to ordinary method by the water-based emulsion obtaining after oxidized polyethlene wax emulsification, the solid content of the water-based emulsion of described oxidized polyethlene wax can be 30-60 % by weight, is preferably 40-50 % by weight.It should be noted that, the water-based emulsion of oxidized polyethlene wax is when preparing metal protection coating provided by the invention, and its consumption refers to that the gross weight of water-based emulsion is multiplied by the numerical value obtaining after its solid content.
Wherein, the fusing point of the oxidized polyethlene wax in the water-based emulsion of described oxidized polyethlene wax can be 80-120 ℃, is preferably 90-115 ℃, more preferably 100-110 ℃.
It should be noted that, in the present invention, do not do in the situation of contrary explanation, the fusing point of polyethylene wax and oxidized polyethlene wax refers to the numerical value of measuring according to mensuration-cooling curve method of GB/T 2539-2008 petroleum wax fusing point.
Wherein, the acid number of the oxidized polyethlene wax in the water-based emulsion of described oxidized polyethlene wax can be 5-60mgKOH/g, is preferably 10-50mgKOH/g.Wherein, described acid number is the numerical value of measuring according to GB/T 264-83 petroleum product acid value measuring method.
The present invention also provides the metal protection preparing according to preparation method as above coating.Wherein, in preparation method as above, obtain added water-soluble film-forming resin and mix after material (the uniform liquid D, obtaining) can be used as metal protection coating of the present invention and use.
In addition, metal protection coating of the present invention can also contain other various components that do not affect metal protection coating property, as one or more in dyestuff, pigment, dispersion agent and defoamer.Take the gross weight of this metal protection coating as benchmark, the content of other component is no more than 20 % by weight, is preferably no more than 10 % by weight.Described defoamer can be various defoamer well known in the art, such as, in polyethers defoamer, higher alcohols defoamer and silicon defoamer etc. one or more.More particularly, described defoamer can be for being purchased one or more in the SD-401 series defoamer of for example limited liability company of the large Creative Science and Technology Co. Ltd of Dongying dan.Under preferable case, take the total amount of described metal protection coating as benchmark, the content of described defoamer is 0.01-0.05 % by weight.
Correspondingly, the preparation method of metal protection coating provided by the invention can also comprise and adds other the various component of metal protection coating property steps that mix of not affecting.These other various components that do not affect metal protection coating property can add adding after water-soluble film-forming resin again.
Metal protection coating of the present invention can directly use without dilution.
The present invention also provides above-mentioned metal protection coating in the purposes of preparing in metallic substance.Above-mentioned metal protection coating can be in the mode of this area routine for the preparation of various metallic substance.
According to hot-dip metal plated material provided by the invention, this hot-dip metal plated material comprises pot galvanize metal base and is attached to the coating on this hot-dip metal plated base material, described hot-dip metal plated base material is at least one in pot galvanize metal base, hot-dip aluminizing zinc metal base and hot-dip aluminizing zinc magnesium metal base material, it is characterized in that, described coating is the cured product of metal protection coating as above.
Wherein, described pot galvanize metal base can be the metal base that contains zinc coating, and in described zinc coating, the content of zinc can be 92.5-95.5 % by weight.Described zinc coating also can contain other conventional ingredient, as silicon.
Wherein, described hot-dip aluminizing zinc metallic substance can be the metal base that contains zinc-aluminium coating, and in described zinc-aluminium coating, the content of zinc can be 41.5-43.5 % by weight, and the content of aluminium can be 51.5-55.0 % by weight.Described zinc-aluminium coating also can contain other conventional ingredient, as silicon.
Wherein, hot-dip aluminizing zinc magnesium metal base material can be the metal base that contains aluminium zinc-magnesium coating, and in described aluminium zinc-magnesium coating, the content of zinc can be 85.5-99.2 % by weight, and the content of aluminium can be 0.2-11 % by weight, and the content of magnesium can be 0.5-3 % by weight.Described aluminium zinc-magnesium coating also can contain other conventional ingredient, as silicon.
According to hot-dip metal plated material provided by the invention, wherein, the thickness of described coating can be the conventional thickness of the erosion shield on hot-dip metal plated base material, in order to improve the performance of described coating, under preferable case, the thickness of described coating is 0.05-2 micron, can be preferably 0.1-1 micron.Wherein, the thickness of coating is to use XRF(fluorescence spectrophotometer) survey meter measure numerical value.
According to hot-dip metal plated material provided by the invention, wherein, the method of adhering to described coating on hot-dip metal plated base material can comprise described metal protection coating is attached on the surface of hot-dip metal plated base material, then dry, dry temperature can be 60-120 ℃, be preferably 90-110 ℃, the time can be 0.5-3 second.The consumption of described metal protection coating can be determined according to the thickness of coating.
Wherein, described dry method, can be one or more in warm air drying, induction heating and infrared radiation heating.
In the present invention, do not do in the situation of contrary explanation, the volume of all liquid and solid all refers to 20 ℃, the volume that 1 standard atmosphere is depressed.
Below will be explained in further detail the present invention by embodiment.
Embodiment 1
By the silane coupling agent (NH of the water of 28 weight parts and 1.6 weight parts
2(CH
2)
2nH (CH
2)
3si (OCH
3)
3, purchased from Debang Chemical New Material Co., Ltd., trade mark DB-792) under the stirring velocity of 1500 revs/min, be mixed to evenly, obtain uniform liquid A.
The water-soluble silicate of whole uniform liquid A and 1 weight part (metasilicate pentahydrate sodium, purchased from Qingdao great Run Chemical Co., Ltd.) is mixed to evenly under the stirring velocity of 1500 revs/min, obtains uniform liquid B.
By the cilicon oxide filler (nano silicon dioxide sol of whole uniform liquid B and 0.72 weight part, purchased from Shandong Bai Te novel material company limited, the trade mark is SS-30, and weight is in silicon-dioxide) under the stirring velocity of 1500 revs/min, be mixed to evenly, obtain uniform liquid C.
By the water-soluble film-forming resin of whole uniform liquid C and 2.4 weight parts (in solid), ((Silomer 8861 emulsions are (purchased from Richdale Special Chemicals Inc. for water-soluble silicon the third film-forming resin, Rui De special chemical company, solid content is 43 % by weight))) under the stirring velocity of 1500 revs/min, be mixed to evenly, obtain uniform liquid D.Uniform liquid D is the metal protection coating of the present embodiment.
Comparative example 1
Prepare metal protection coating according to the method for embodiment 1, different is, in mixing container used, first add water, silane coupling agent, water-soluble silicate, cilicon oxide filler and water-soluble film-forming resin simultaneously, under the stirring velocity of 1500 revs/min, be mixed to again evenly, obtain the metal protection coating of this comparative example.
Comparative example 2
Prepare metal protection coating according to the method for embodiment 1, different, water, water-soluble film-forming resin, water-soluble silicate, cilicon oxide filler and silane coupling agent are mixed successively, obtain the metal protection coating of this comparative example., the application of sample order of silane coupling agent and water-soluble film-forming resin is exchanged.
Comparative example 3
Prepare metal protection coating according to the method for embodiment 1, different, water, silane coupling agent, cilicon oxide filler, water-soluble silicate and water-soluble film-forming resin are mixed successively, obtain the metal protection coating of this comparative example., the application of sample order of water-soluble silicate and cilicon oxide filler is exchanged.
Embodiment 2
By the silane coupling agent (NH of the water of 25 weight parts and 1.4 weight parts
2(CH
2)
2nH (CH
2)
3si (OC
2h
5)
3, purchased from Debang Chemical New Material Co., Ltd., trade mark DB-793) under the stirring velocity of 1500 revs/min, be mixed to evenly, obtain uniform liquid A.
The water-soluble silicate of whole uniform liquid A and 1 weight part (potassium silicate, purchased from Baoding Run Feng Industrial Co., Ltd.) is mixed to evenly under the stirring velocity of 1500 revs/min, obtains uniform liquid B.
The cilicon oxide filler of whole uniform liquid B and 0.6 weight part (nano silicon dioxide sol, purchased from Asahi Denka Co., Ltd., the trade mark is AT-30, weight is in silicon-dioxide) is mixed to evenly under the stirring velocity of 1500 revs/min, obtains uniform liquid C.
By the water-soluble film-forming resin of whole uniform liquid C and 2.1 weight parts (in solid), ((Silomer 8861 emulsions are (purchased from Richdale Special Chemicals Inc. for water-soluble silicon the third film-forming resin, Rui De special chemical company, solid content is 43 % by weight))) under the stirring velocity of 1500 revs/min, be mixed to evenly, obtain uniform liquid D.Uniform liquid D is the metal protection coating of the present embodiment.
Embodiment 3
By the silane coupling agent (NH of the water of 40 weight parts and 1.8 weight parts
2(CH
2)
2nH (CH
2)
3siCH
3(OCH
3)
2, purchased from Debang Chemical New Material Co., Ltd., trade mark DB-602) under the stirring velocity of 1500 revs/min, be mixed to evenly, obtain uniform liquid A.
The water-soluble silicate of whole uniform liquid A and 1 weight part (metasilicate pentahydrate sodium, purchased from Qingdao great Run Chemical Co., Ltd.) is mixed to evenly under the stirring velocity of 1500 revs/min, obtains uniform liquid B.
The cilicon oxide filler of whole uniform liquid B and 0.85 weight part (nano silicon dioxide sol, purchased from Asahi Denka Co., Ltd., the trade mark is AT-30, weight is in silicon-dioxide) is mixed to evenly under the stirring velocity of 1500 revs/min, obtains uniform liquid C.
By the water-soluble film-forming resin of whole uniform liquid C and 2.7 weight parts (in solid), ((Silomer 8861 emulsions are (purchased from Richdale Special Chemicals Inc. for water-soluble silicon the third film-forming resin, Rui De special chemical company, solid content is 43 % by weight))) under the stirring velocity of 1500 revs/min, be mixed to evenly, obtain uniform liquid D.Uniform liquid D is the metal protection coating of the present embodiment.
Embodiment 4
By the silane coupling agent (NH of the water of 90 weight parts and 0.6 weight part
2(CH
2)
2nH (CH
2)
3si (OCH
3)
3, purchased from Debang Chemical New Material Co., Ltd., trade mark DB-792) under the stirring velocity of 1500 revs/min, be mixed to evenly, obtain uniform liquid A.
The water-soluble silicate of whole uniform liquid A and 1 weight part (metasilicate pentahydrate sodium, purchased from Qingdao great Run Chemical Co., Ltd.) is mixed to evenly under the stirring velocity of 1500 revs/min, obtains uniform liquid B.
By the cilicon oxide filler (nano silicon dioxide sol of whole uniform liquid B and 2.1 weight parts, purchased from Shandong Bai Te novel material company limited, the trade mark is SS-30, and weight is in silicon-dioxide) under the stirring velocity of 1500 revs/min, be mixed to evenly, obtain uniform liquid C.
By the water-soluble film-forming resin of whole uniform liquid C and 6.5 weight parts (in solid), ((Silomer 8861 emulsions are (purchased from Richdale Special Chemicals Inc. for water-soluble silicon the third film-forming resin, Rui De special chemical company, solid content is 43 % by weight))) under the stirring velocity of 1500 revs/min, be mixed to evenly, obtain uniform liquid D.Uniform liquid D is the metal protection coating of the present embodiment.
Embodiment 5
By the silane coupling agent (NH of the water of 15 weight parts and 4.5 weight parts
2(CH
2)
2nH (CH
2)
3si (OCH
3)
3, purchased from Debang Chemical New Material Co., Ltd., trade mark DB-792) under the stirring velocity of 1500 revs/min, be mixed to evenly, obtain uniform liquid A.
The water-soluble silicate of whole uniform liquid A and 1 weight part (metasilicate pentahydrate sodium, purchased from Qingdao great Run Chemical Co., Ltd.) is mixed to evenly under the stirring velocity of 1500 revs/min, obtains uniform liquid B.
By the cilicon oxide filler (nano silicon dioxide sol of whole uniform liquid B and 0.3 weight part, purchased from Shandong Bai Te novel material company limited, the trade mark is SS-30, and weight is in silicon-dioxide) under the stirring velocity of 1500 revs/min, be mixed to evenly, obtain uniform liquid C.
By the water-soluble film-forming resin of whole uniform liquid C and 1.0 weight parts (in solid), ((Silomer 8861 emulsions are (purchased from Richdale Special Chemicals Inc. for water-soluble silicon the third film-forming resin, Rui De special chemical company, solid content is 43 % by weight))) under the stirring velocity of 1500 revs/min, be mixed to evenly, obtain uniform liquid D.Uniform liquid D is the metal protection coating of the present embodiment.
Embodiment 6
Prepare metal protection coating according to the method for embodiment 1, different, silane coupling agent is NH
2(CH
2)
2nHCH
2cH (CH
3) CH
2cH
3(OCH
3)
2(purchased from Debang Chemical New Material Co., Ltd., trade mark DB-604).
Embodiment 7
Prepare metal protection coating according to the method for embodiment 1, different, silane coupling agent is HO (CH
2)
2nH (CH
2)
2nH (CH
2)
3siCH
3(OCH
3)
2(purchased from Debang Chemical New Material Co., Ltd., trade mark DB-2602).
Embodiment 8
Prepare metal protection coating according to the method for embodiment 1, different, silane coupling agent is NH
2(CH
2)
2nH (CH
2)
2nH (CH
2)
3siCH
3(OCH
3)
2(purchased from Debang Chemical New Material Co., Ltd., trade mark DB-5551).
Embodiment 9
Prepare metal protection coating according to the method for embodiment 1, different is, use water-soluble silicon the third film-forming resin (Qingdao paint company TC-05 type organosilicon crylic acid latex of making the country prosperous, solid content is 48 % by weight) as water-soluble film-forming resin, and (water-based emulsion of dimethyl silicone oil and polyether-modified polysiloxane obtain after 1:1 mixes in the material after water and silane coupling agent are mixed, to add lubricating auxiliary agent, the water-based emulsion of dimethyl silicone oil is purchased from Nanjing Hua Tuo Chemical Co., Ltd., the trade mark is HTR-1, solid content is 30 % by weight, to obtain after the dimethyl silicone oil emulsification that is 25000mPaS by the apparent viscosity at 25 ℃, polyether-modified polysiloxane is purchased from dyeing and finishing auxiliaries for textile Co., Ltd., Factory of Dongguan Acer, and the apparent viscosity at 25 ℃ is 3000mPaS) and mix, wherein, with respect to the water-soluble silicate of 1 weight part, the consumption of lubricating auxiliary agent is 0.6 weight part.
Embodiment 10
Prepare metal protection coating according to the method for embodiment 9, different, do not add lubricating auxiliary agent.
Embodiment 11
Prepare metal protection coating according to the method for embodiment 1, different is, use water-soluble phenylpropyl alcohol film-forming resin (purchased from Guangzhou Chao Long Chemical Industry Science Co., Ltd, the trade mark is the benzene emulsion of xy-108b) as water-soluble film-forming resin, and (water-based emulsion of polyethylene wax and the water-based emulsion of oxidized polyethlene wax obtain after 1:1 mixes in the material after water and silane coupling agent are mixed, to add lubricating auxiliary agent, the water-based emulsion of polyethylene wax is purchased from Dongguan City Hong Guang plastic material business department, solid content is 48 % by weight, the fusing point of polyethylene wax is 110-115 ℃, the water-based emulsion of oxidized polyethlene wax is purchased from Beijing Zhong Guan special wax company limited, solid content is 48 % by weight, the fusing point of oxidized polyethlene wax is 105-110 ℃, acid number is 14-21mgKOH/g) and mix, wherein, with respect to the water-soluble silicate of 1 weight part, the consumption of lubricating auxiliary agent is 0.5 weight part.
Embodiment 12
Prepare metal protection coating according to the method for embodiment 1, different is, use soluble epoxide film-forming resin (purchased from Dongguan City Heima Chemical Co., Ltd., the trade mark is the aqueous epoxy resin emulsion of BH620) as water-soluble film-forming resin, and add the lubricating auxiliary agent (water-based emulsion of dimethyl silicone oil in the material after water and silane coupling agent are mixed, purchased from Guangzhou Si Luoke Chemical Co., Ltd., solid content is 80 % by weight, to obtain after the dimethyl silicone oil emulsification that is 1500mPaS by the apparent viscosity at 25 ℃) and mix, wherein, with respect to the water-soluble silicate of 1 weight part, the consumption of lubricating auxiliary agent is 0.7 weight part.
Embodiment 13
Prepare metal protection coating according to the method for embodiment 1, different is, use water-soluble polyester film-forming resin (purchased from Yancheng, Jiangsu Province Ju Ke Chemical Co., Ltd., the trade mark is the waterborne polyester of PE-10030-P) as water-soluble film-forming resin, and add the lubricating auxiliary agent (water-based emulsion of dimethyl silicone oil in the material after water and silane coupling agent are mixed, purchased from Guangzhou Si Luoke Chemical Co., Ltd., solid content is 80 % by weight, to obtain after the dimethyl silicone oil emulsification that is 1500mPaS by the apparent viscosity at 25 ℃) and mix, wherein, with respect to the water-soluble silicate of 1 weight part, the consumption of lubricating auxiliary agent is 0.7 weight part.
Preparation Example 1
Get the metal protection coating that embodiment 1-13 and comparative example 1-3 obtain and be coated on respectively steel plate galvanized (purchased from Pangang Group Panzhihua Steel Vanadium Co., Ltd., model DX54D, in zinc coating containing zinc 95 % by weight) surface, warm air drying 2 seconds, obtains respectively steel plate galvanized after treatment at 90-110 ℃.Wherein, coating amount makes the thickness of the coating on steel plate galvanized after treatment be 0.8 micron.The thickness of coating is to use XRF(fluorescence spectrophotometer) survey meter measure numerical value.Wherein, the metal protection coating using in this Preparation Example is all to have stored the metal protection coating of 1 day after having prepared (obtaining uniform liquid D).
Preparation Example 2-4
Prepare steel plate galvanized after treatment according to the method for Preparation Example 1, different, the metal protection coating of use is all to have stored the metal protection coating of 60,120 and 180 days after having prepared (obtaining uniform liquid D).
Test implementation example 1
By the requirement of regulation in GB/T 10,125 1997, carry out neutral salt spray test, measure respectively the corrosion resisting property of the steel plate galvanized after treatment of Preparation Example 1-4.It is qualified to be considered as by " salt-fog test 96h, corrosion area < 3% ".
On M-2000 ring block type friction and wear tester, the kinetic friction coefficient of the coating of the steel plate galvanized after treatment obtaining according to its specification sheets mensuration Preparation Example 1.
Test result as above is as shown in table 1.Number of days in bracket represents the storage time of metal protection coating.
Table 1
Visible according to the data of table 1, the solidity to corrosion of the protective film that metal protection coating provided by the invention forms is very good, and the storage endurance of metal protection coating provided by the invention is also very good.And, visible according to the data of table 1, at the preferred described water-soluble silicate with respect to 1 weight part, the consumption of described silane coupling agent is 1.4-1.8 weight part, the consumption of described cilicon oxide filler is 0.6-0.85 weight part, and in solid, the consumption of described water-soluble film-forming resin is 2.1-2.7 weight part, the consumption of water is in the situation of 25-40 weight part, can further improve the solidity to corrosion of the protective film of described metal protection coating formation.And, visible according to the data of table 1, in the situation that preferred described water-soluble silicon the third film-forming resin is Silomer 8861 emulsion, or preferred described raw mixture also contains in the situation of lubricating auxiliary agent, can further improve the oilness of the protective film that described metal protection coating forms.In addition according to the data of table 1, be NH at preferred described silane coupling agent,
2(CH
2)
2nH (CH
2)
3si (OCH
3)
3, NH
2(CH
2)
2nH (CH
2)
3si (OC
2h
5)
3and NH
2(CH
2)
2nH (CH
2)
3siCH
3(OCH
3)
2in at least one situation under, can further improve the solidity to corrosion of the protective film that described metal protection coating forms.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned embodiment, within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characterictic described in above-mentioned embodiment, in reconcilable situation, can combine by any suitable mode, for fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible array modes.
In addition, also can carry out arbitrary combination between various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. a preparation method for metal protection coating, the method comprises water, silane coupling agent, water-soluble silicate, cilicon oxide filler and water-soluble film-forming resin is mixed successively; Described silane coupling agent is R-Si (OCH
3)
3, R-Si (OC
2h
5)
3, R-SiCH
3(OCH
3)
2and R-SiCH
3(OC
2h
5)
2in at least one, and R is selected from NH independently of one another
2(CH
2)
2nH (CH
2)
3-, NH
2(CH
2)
2nHCH
2cH (CH
3) CH
2-, HO (CH
2)
2nH (CH
2)
2nH (CH
2)
3-or NH
2(CH
2)
2nH (CH
2)
2nH (CH
2)
3-.
2. preparation method according to claim 1, wherein, with respect to the described water-soluble silicate of 1 weight part, the consumption of described silane coupling agent is 0.5-4.5 weight part, the consumption of described cilicon oxide filler is 0.25-2.2 weight part, in solid, the consumption of described water-soluble film-forming resin is 0.8-6.8 weight part, the consumption of water is 10-100 weight part, preferably, with respect to the described water-soluble silicate of 1 weight part, the consumption of described silane coupling agent is 1.4-1.8 weight part, the consumption of described cilicon oxide filler is 0.6-0.85 weight part, in solid, the consumption of described water-soluble film-forming resin is 2.1-2.7 weight part, the consumption of water is 25-40 weight part.
3. preparation method according to claim 1 and 2, wherein, described silane coupling agent is NH
2(CH
2)
2nH (CH
2)
3si (OCH
3)
3, NH
2(CH
2)
2nH (CH
2)
3si (OC
2h
5)
3, NH
2(CH
2)
2nH (CH
2)
3siCH
3(OCH
3)
2, NH
2(CH
2)
2nHCH
2cH (CH
3) CH
2cH
3(OCH
3)
2, HO (CH
2)
2nH (CH
2)
2nH (CH
2)
3siCH
3(OCH
3)
2, NH
2(CH
2)
2nH (CH
2)
2nH (CH
2)
3siCH
3(OCH
3)
2and NH
2(CH
2)
2nH (CH
2)
2nH (CH
2)
3si (OCH
3)
3in at least one.
4. preparation method according to claim 1 and 2, wherein, described cilicon oxide filler is nano-silica powder and/or nano silicon dioxide sol.
5. preparation method according to claim 1 and 2, wherein, described water-soluble film-forming resin is at least one in water-soluble polyester film-forming resin, water-soluble phenylpropyl alcohol film-forming resin, soluble epoxide film-forming resin, aqurous ployurethane film-forming resin, water-soluble silicon the third film-forming resin, water-soluble acrylic film-forming resin and water-soluble fluorine carbon film-forming resin, wherein, described water-soluble silicon the third film-forming resin is preferably Silomer8861 emulsion.
6. preparation method according to claim 1 and 2, wherein, this preparation method also comprises: the material after water and silane coupling agent are mixed mixes with lubricating auxiliary agent, described lubricating auxiliary agent is one or more in water-based emulsion, polyether-modified polysiloxane, the water-based emulsion of polyethylene wax and the water-based emulsion of oxidized polyethlene wax of dimethyl silicone oil, with respect to the described water-soluble silicate of 1 weight part, the consumption of described lubricating auxiliary agent is 0.2-1.8 weight part.
7. the metal protection coating that in claim 1-6, the preparation method described in any one prepares.
8. metal protection coating claimed in claim 7 is in the purposes of preparing in metallic substance.
9. a hot-dip metal plated material, this hot-dip metal plated material comprises hot-dip metal plated base material and is attached to the coating on this hot-dip metal plated base material, described hot-dip metal plated base material is at least one in pot galvanize metal base, hot-dip aluminizing zinc metal base and hot-dip aluminizing zinc magnesium metal base material, it is characterized in that, described coating is the cured product of metal protection coating claimed in claim 7.
10. hot-dip metal plated material according to claim 9, wherein, the thickness of described coating is 0.1-1 micron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210424588.4A CN103788836A (en) | 2012-10-30 | 2012-10-30 | Metal protection paint, preparation method, application and hot-dip metal material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210424588.4A CN103788836A (en) | 2012-10-30 | 2012-10-30 | Metal protection paint, preparation method, application and hot-dip metal material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103788836A true CN103788836A (en) | 2014-05-14 |
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ID=50664911
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
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| Country | Link |
|---|---|
| CN (1) | CN103788836A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1730570A (en) * | 2005-08-02 | 2006-02-08 | 陈国军 | High temperature energy-saving corrosion-resisting paint , preparation and usage |
-
2012
- 2012-10-30 CN CN201210424588.4A patent/CN103788836A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1730570A (en) * | 2005-08-02 | 2006-02-08 | 陈国军 | High temperature energy-saving corrosion-resisting paint , preparation and usage |
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Application publication date: 20140514 |