CN105925177B - A kind of aqueous organic inorganic hybridization high-temperature resistant coating and preparation method thereof - Google Patents

A kind of aqueous organic inorganic hybridization high-temperature resistant coating and preparation method thereof Download PDF

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CN105925177B
CN105925177B CN201610315853.3A CN201610315853A CN105925177B CN 105925177 B CN105925177 B CN 105925177B CN 201610315853 A CN201610315853 A CN 201610315853A CN 105925177 B CN105925177 B CN 105925177B
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temperature resistant
film forming
aqueous organic
component
organic inorganic
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CN105925177A (en
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高延敏
左银泽
陈亮
姜文龙
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Peter Chemical (Shanghai) Co., Ltd.
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Jiangsu University of Science and Technology
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D4/00Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints
    • C09D5/10Anti-corrosive paints containing metal dust
    • C09D5/103Anti-corrosive paints containing metal dust containing Al
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints
    • C09D5/10Anti-corrosive paints containing metal dust
    • C09D5/106Anti-corrosive paints containing metal dust containing Zn
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18Fireproof paints including high temperature resistant paints
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic

Abstract

The invention discloses a kind of aqueous organic inorganic hybridization high-temperature resistant coatings, by mass percentage by component: main film forming substance is 40~45%, auxiliary film forming matter is 10~13%, high temperature resistant corrosion inhibitor is 1~2%, glass powder with low melting point is 2~5%, anticorrosive packing is 3~5%, sodium metasilicate is 1~3%, water is 20~25%, ethyl alcohol is 10~13% to form.Raw material sources of the present invention are extensive, and preparation process is simple, and production and use process safety non-pollution, are a kind of new type environment friendly coatings.After tested, product of the present invention has good temperature tolerance and antiseptic property, efficiently solves the defect of current water paint temperature tolerance difference.The invention also discloses a kind of preparation and application of aqueous organic inorganic hybridization high-temperature resistant coating simultaneously.

Description

A kind of aqueous organic inorganic hybridization high-temperature resistant coating and preparation method thereof
Technical field
The invention belongs to chemical industry fire-resistant anticorrosion paint technical fields, and in particular to a kind of aqueous resistance to height of organic inorganic hybridization Thermo-paint and preparation method thereof.
Background technique
With the rapid development of economy, there is unprecedented crisis in global environment, in order to control global environment after Continuous to deteriorate, corresponding laws and regulations have been formulated all to limit the discharge of harmful substance in countries in the world.This restricted laws and regulations Appearance and implementation, to traditional solvent type coating industry for be a deathblow.Therefore traditional solvent type coating is found Substitute it is very urgent.Water paint is as being the choosing for replacing solvent based coating best using water by the coating of dispersing agent It selects, but there are also no small differences for high temperature resistant, antiseptic property and the traditional solvent type coating of water paint at present, improve aqueous painting The correlated performance of material is the emphasis direction of development.In numerous water paints, water based silicone coating obtains numerous scholars With the great attention of businessman.
Also more and more severe to the use environment of metal material due to the continuous development of world economy, some high temperature are high rotten The Metals in Environments of erosion is impaired serious, causes huge economic loss.It is right just because of the severe of metal material Service Environment Higher requirements are also raised for its protective coating, and the aqueous coating of long service is fewer and fewer under high temperature high corrosion state, and one As heat resistant coating be extremely difficult to 400 DEG C of high temperature.Although universal high-temperature resistant coating has certain temperature tolerance currently on the market Can, but its Corrosion Protection is very poor, often loses its high temperature resistance while improving corrosion resistance, loses more than gain. So the high temperature resistant, the corrosion resistance that improve aqueous coating are the difficulties being badly in need of the emphasis of concern in current technical field of coatings and capturing Topic.
Summary of the invention:
The purpose of the present invention is to solve problem of the existing technology and defects, and it is miscellaneous to provide a kind of aqueous organic-inorganic Change high-temperature resistant coating and preparation method thereof.
The technical staff for being engaged in coating research and development and preparation both knows about, though aqueous organic coating has good adhesive force, resistance to Chemicals, acidproof, alkali resistance, but its high temperature for being difficult resistance to 400 DEG C or more.Though and aqueous inorganic coating is with good resistance to Hot, high temperature resistant is up to 800 DEG C or more, but its bad mechanical property, poor adhesive force, is difficult to form a film alone in metal surface.And In water based silicone coating have good high temperature resistance, if cooperation glass powder with low melting point can make the temperature tolerance of its coating into One step improves;If cooperating traditional anticorrosive packing that can have durothermic well while there is good anticorrosion again Effect.
Based on the above, the present invention is the Common advantages in conjunction with organic coating and inorganic coating, miscellaneous by organic-inorganic The method of change, by organic matter be crosslinked film forming can obtain very high crosslink density, effectively completely cut off corrosive medium and base The contact of material, and cooperate anticorrosive packing and Zn powder and Al powder, enable coating that there is preferable Corrosion Protection.Aqueous organic Glass powder with low melting point is added in coating, makes coating that there is good high temperature resistant, corrosion resistance.
The present invention efficiently solves the defect of water paint non-refractory, and the heatproof of water paint is made to reach 700 DEG C or more, Simultaneously by using addition anticorrosive packing, improve its Corrosion Protection also well.
To reach above-mentioned target, the technical solution adopted by the present invention is that:
A kind of aqueous organic inorganic hybridization high-temperature resistant coating, by mass percentage by component: main film forming substance be 41~ 44%, auxiliary film forming matter is 10~13%, high temperature resistant corrosion inhibitor is 1~2%, glass powder with low melting point 3~5%, anticorrosive packing For 3~5%, sodium metasilicate be 1~2%, water is 21~24%, ethyl alcohol is 11~13% compositions.
Wherein the main film forming substance is the mixture of diacrylate and methyltrimethoxysilane, mixing quality Than for diacrylate: methyltrimethoxysilane=1:1.5, above two structure of matter formula are respectively as follows:
Wherein, L is alkylidene, C1~C10, R is methyl;
The auxiliary film forming matter is titanate esters, hydroxy-ethyl acrylate and bis- (trimethoxy silane methyl) benzene of 1,4- Mixture, mixing mass ratio are titanate esters: hydroxy-ethyl acrylate: bis- (trimethoxy silane methyl) benzene=1:2:2 of Isosorbide-5-Nitrae-, on Three kinds of structure of matter formulas are stated to be respectively as follows:
Wherein, R is methyl.
The glass powder with low melting point is by mass percentage by Al2O3Content is 5%, ZnO content 27%, B2O3Content For 30%, P2O5Content is that 19%, BaO content is 5%, and CaO content 7%, SrO content is 2%, and content of MgO is 5% composition.
The structural formula of the high temperature resistant corrosion inhibitor are as follows:
Wherein, R is methyl.
The anticorrosive packing is the mixture of zinc powder and aluminium powder, and mixture quality ratio is zinc powder: aluminium powder=1:1.
A kind of preparation method of aqueous organic inorganic hybridization high-temperature resistant coating, includes the following steps:
1, according to mass percent will match component in main film forming substance, glass powder with low melting point, high temperature resistant corrosion inhibitor, Sodium metasilicate, anticorrosive packing, water and the mixing of 1/2 ethyl alcohol, stirring obtain component A slurry, are placed at room temperature for;
2, auxiliary film forming matter and remaining 1/2 ethyl alcohol in component will be matched according to mass percent, is mixed, is stirred It mixes uniformly, obtains B component homogenate, be stored at room temperature, be sealed.
A kind of application method of aqueous organic inorganic hybridization high-temperature resistant coating, comprises the concrete steps that:
The component A that step (1) obtains in above-mentioned preparation method and the B component that step (2) obtains are mixed, stirring is equal It is even, it then brushes, again in 130 DEG C of maintenance 1h after solidification 1h at 30 DEG C.
Compared with prior art, the present invention possessed feature and beneficial effect are mainly:
1, water paint is prepared using the method for organic inorganic hybridization, by the way that suitable heat-resisting material is added, significantly mentioned The high high temperature resistance of water paint, through detecting, coating heatproof reaches 700 DEG C or more.
2, by using addition anticorrosive packing, that is, it is aided with zinc powder and aluminium powder, significantly improves the Corrosion Protection of coating.
3, raw material sources are extensive, and preparation process is simple, production and use process safety non-pollution, are a kind of novel environment friendly paintings Material.
Specific embodiment:
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate and do not have to In limiting the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art can be with The present invention is made various changes or modifications, such equivalent forms equally fall within model defined by the depended on claims of the application It encloses.
Embodiment 1
One, the formula of composition
1, main film forming substance, auxiliary film forming matter, glass powder with low melting point, high temperature resistant inhibition are prepared respectively in mass ratio Agent, anti-corrosion paint mixture.
2, compositions formulated each component content by mass percentage:
Two, preparation and application
1, according to mass percent by match component in main film forming substance, high temperature resistant filler, high temperature resistant corrosion inhibitor, urge Agent, anticorrosive packing, water, the mixing of 1/2 ethyl alcohol, stirring obtain component A slurry, are placed at room temperature for.
2, the auxiliary film forming matter in component being matched according to mass percent and remaining 1/2 ethyl alcohol mixing, stirring obtains It is homogenized to B component, is stored at room temperature, is sealed.
3, in use, component A and B component are sufficiently mixed, then coating solidifies 1h at 30 DEG C, then at 130 DEG C Conserve 1h.
Three, beneficial effect
Coating obtained by the present embodiment is coated on cold-rolled steel sheet, is tested and is detected, and coating salt spray resistance experiment 300h does not go out Now corrode lesion, 2 grades of adhesive force, coating heatproof is up to 350 DEG C.
Embodiment 2
One, the formula of composition
1, main film forming substance, auxiliary film forming matter, glass powder with low melting point, high temperature resistant inhibition are prepared respectively in mass ratio Agent, anti-corrosion paint mixture.
2, compositions formulated each component content by mass percentage:
Two, preparation and application is the same as embodiment 1
Three, beneficial effect
The present embodiment resulting composition is coated on cold-rolled steel sheet, is tested and is detected, and coating salt spray resistance tests 350h not There is corrosion lesion, adhesion 1 grade, coating heatproof is up to 400 DEG C.
Embodiment 3
One, the formula of composition
1, main film forming substance, auxiliary film forming matter, glass powder with low melting point, high temperature resistant inhibition are prepared respectively in mass ratio Agent, anti-corrosion paint mixture.
2, compositions formulated each component content by mass percentage:
Two, preparation and application is the same as embodiment 1
Three, beneficial effect
The present embodiment resulting composition is coated on cold-rolled steel sheet, is tested and is detected, and coating salt spray resistance tests 400h not There is corrosion lesion, adhesion 1 grade, coating heatproof is up to 450 DEG C.
Embodiment 4
One, the formula of composition
1, main film forming substance, auxiliary film forming matter, glass powder with low melting point, high temperature resistant inhibition are prepared respectively in mass ratio Agent, anti-corrosion paint mixture.
2, compositions formulated each component content by mass percentage:
Two, preparation and application is the same as embodiment 1
Three, beneficial effect
The present embodiment resulting composition is coated on cold-rolled steel sheet, is tested and is detected, and coating salt spray resistance tests 450h not There is corrosion lesion, adhesion 1 grade, coating heatproof is up to 460 DEG C.
Embodiment 5
One, the formula of composition
1, main film forming substance, auxiliary film forming matter, glass powder with low melting point, high temperature resistant inhibition are prepared respectively in mass ratio Agent, anti-corrosion paint mixture.
2, compositions formulated each component content by mass percentage:
Two, preparation and application is the same as embodiment 1
Three, beneficial effect
The present embodiment resulting composition is coated on cold-rolled steel sheet, is tested and is detected, and coating salt spray resistance tests 500h not There is corrosion lesion, adhesion 1 grade, coating heatproof is up to 480 DEG C.
Embodiment 6
One, the formula of composition
1, main film forming substance, auxiliary film forming matter, glass powder with low melting point, high temperature resistant inhibition are prepared respectively in mass ratio Agent, anti-corrosion paint mixture.
2, compositions formulated each component content by mass percentage:
Two, preparation and application is the same as embodiment 1
Three, beneficial effect
The present embodiment resulting composition is coated on cold-rolled steel sheet, is tested and is detected, and coating salt spray resistance tests 500h not There is corrosion lesion, adhesion 1 grade, coating heatproof is up to 700 DEG C.
Embodiment 7
One, the formula of composition
1, main film forming substance, auxiliary film forming matter, glass powder with low melting point, high temperature resistant inhibition are prepared respectively in mass ratio Agent, anti-corrosion paint mixture.
2, compositions formulated each component content by mass percentage:
Two, preparation and application is the same as embodiment 1
Three, beneficial effect
The present embodiment resulting composition is coated on cold-rolled steel sheet, is tested and is detected, and the experiment of coating salt spray resistance is reachable 480h does not occur corrosion lesion, and adhesion 1 grade, coating heatproof is up to 600 DEG C.
Embodiment 8
One, the formula of composition
1, main film forming substance, auxiliary film forming matter, glass powder with low melting point, high temperature resistant inhibition are prepared respectively in mass ratio Agent, anti-corrosion paint mixture.
2, compositions formulated each component content by mass percentage:
Two, preparation and application is the same as embodiment 1
Three, beneficial effect
The present embodiment resulting composition is coated on cold-rolled steel sheet, is tested and is detected, and the experiment of coating salt spray resistance is reachable 480h does not occur corrosion lesion, and adhesion 1 grade, coating heatproof is up to 550 DEG C.
The above is only a preferred embodiment of the present invention, it should be pointed out that: those skilled in the art are come It says, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should be regarded as Protection scope of the present invention.

Claims (6)

1. a kind of aqueous organic inorganic hybridization high-temperature resistant coating, which is characterized in that by mass percentage by component: main film forming matter Matter is 41~44%, auxiliary film forming matter is 10~13%, high temperature resistant corrosion inhibitor is 1~2%, glass powder with low melting point 3~5%, Anticorrosive packing is 3~5%, sodium metasilicate is 1~2%, water is 21~24%, ethyl alcohol is 11~13% compositions, wherein the master Wanting film forming matter is the mixture of diacrylate and methyltrimethoxysilane, and mixing mass ratio is diacrylate: methyl three Methoxy silane=1:1.5, above two structure of matter formula are respectively as follows:
CH3-Si(OR)3
Wherein, L is alkylidene, C1~C10, R is methyl;
The auxiliary film forming matter is the mixing of titanate esters, hydroxy-ethyl acrylate and bis- (trimethoxy silane base) benzene of 1,4- Object, mixing mass ratio be titanate esters: hydroxy-ethyl acrylate: bis- (trimethoxy silane base) benzene=1:2:2 of Isosorbide-5-Nitrae-, above-mentioned three kinds Structure of matter formula is respectively as follows:
Ti(OR)4
Wherein, R is methyl.
2. a kind of aqueous organic inorganic hybridization high-temperature resistant coating according to claim 1, which is characterized in that the eutectic Point glass powder is by mass percentage by Al2O3Content is 5%, ZnO content 27%, B2O3Content is 30%, P2O5Content is 19%, BaO content are 5%, CaO content 7%, and SrO content is 2%, and content of MgO is 5% composition.
3. a kind of aqueous organic inorganic hybridization high-temperature resistant coating according to claim 1, which is characterized in that the resistance to height Warm corrosion inhibiter is the mixture of following two structural formula, and mixture quality ratio is 1:1.5:
Wherein, R is methyl.
4. a kind of aqueous organic inorganic hybridization high-temperature resistant coating according to claim 1, which is characterized in that the anti-corrosion Filler is the mixture of zinc powder and aluminium powder, and mixing mass ratio is zinc powder: aluminium powder=1:1.
5. a kind of preparation method of aqueous organic inorganic hybridization high-temperature resistant coating according to any one of claims 1 to 4, It is characterized in that including the following steps:
(1) main film forming substance in component, glass powder with low melting point, high temperature resistant corrosion inhibitor, silicon will be matched according to mass percent Sour sodium, anticorrosive packing, water and the mixing of 1/2 ethyl alcohol, stirring obtain component A slurry, are placed at room temperature for;
(2) auxiliary film forming matter and remaining 1/2 ethyl alcohol in component will be matched according to mass percent, is mixed, stirred Uniformly, B component homogenate is obtained, is stored at room temperature, is sealed.
6. a kind of application method of aqueous organic inorganic hybridization high-temperature resistant coating according to any one of claims 1 to 4, Be characterized in that comprising the concrete steps that: in use, by the component A that claim 5 step (1) obtains and the B component that step (2) obtains into Row mixing, stirs evenly, then coating, again in 130 DEG C of maintenance 1h after solidification 1h at 30 DEG C.
CN201610315853.3A 2016-05-13 2016-05-13 A kind of aqueous organic inorganic hybridization high-temperature resistant coating and preparation method thereof Active CN105925177B (en)

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CN107057420A (en) * 2016-12-29 2017-08-18 广州凯耀资产管理有限公司 Inorganic slim expansion fire-resistant coating for steel structure and preparation method thereof
CN110746849B (en) * 2019-10-17 2021-08-10 江苏科技大学 Hydrogen sulfide corrosion-resistant water-based coating composition and preparation method and application thereof
CN110819185A (en) * 2019-10-24 2020-02-21 常州市武进新邦涂料有限公司 XB-S-water-soluble high-reflection photovoltaic backboard glass paint and application scheme thereof
CN111793434B (en) * 2020-07-01 2021-09-07 安徽新大陆特种涂料有限责任公司 Preparation method of high-temperature-resistant ceramic anticorrosive heat-insulating coating

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