CN106700669A - Cracking-preventing chromium-free bionic self-cleaning phosphate-based high-temperature anticorrosive coating and preparation method thereof - Google Patents
Cracking-preventing chromium-free bionic self-cleaning phosphate-based high-temperature anticorrosive coating and preparation method thereof Download PDFInfo
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- CN106700669A CN106700669A CN201611143533.0A CN201611143533A CN106700669A CN 106700669 A CN106700669 A CN 106700669A CN 201611143533 A CN201611143533 A CN 201611143533A CN 106700669 A CN106700669 A CN 106700669A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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Abstract
The invention discloses a cracking-preventing chromium-free bionic self-cleaning phosphate-based high-temperature anticorrosive coating. The cracking-preventing chromium-free bionic self-cleaning phosphate-based high-temperature anticorrosive coating is prepared from, by weight, 2-2.2 parts of ferric citrate, 3-3.3 parts of basic nickel carbonate, 5-6 parts of ethyl alcohol, an appropriate amount of water, an appropriate amount of ammonium hydroxide, 10-11 parts of TiC, 2-2.3 parts of tetrabutyl titanate, 1.6-1.8 parts of zinc oxide whisker, 28-30 parts of 85-88% phosphoric acid, 68-70 parts of phosphorus pentoxide, 0.5-0.6 part of 500-800 nm polystyrene microspheres, 4-5 parts of aluminum hydroxide, 2-3 parts of magnesium oxide, 4-4.3 parts of zinc phosphomolybdate and 1-1.3 parts of triethanolamine. Zinc oxide whiskers are coated and modified by using tetrabutyl titanate, the compatibility between the zinc oxide whiskers and the coating is improved, the coating further has photocatalytic performance and is prevented from aging, the hardness of the coating is improved, the thermal expansion properties are reduced, and cracking caused by heating is prevented.
Description
Technical field
The present invention relates to technical field of coatings, more particularly to a kind of bionical automatically cleaning phosphate high-temperature anticorrosion of crack resistence Chrome-free
Coating and preparation method thereof.
Background technology
《Chromium-free environment-friendly phosphate base high-temperature anticorrosion paint》One text is main film forming matter with water-soluble poly-phosphate, and CuO is
Curing agent, using Chrome-free system neutralization technology, adds the metal powder of different types of reactivity, functional filler and different melting points
End, is prepared for chromium-free environment-friendly phosphate base high-temperature anticorrosion paint.Have studied P2O5Content, CuO, Chrome-free corrosion inhibiter HJ, feature are filled out
The influence of material and metal dust to chromium-free environment-friendly phosphate base high-temperature anticorrosion paint performance.Result shows that the bonding of coating is strong
Degree is high, can resistance to 900 DEG C of temperatures above for a long time, and with performances such as excellent anticorrosion, resistance to thermal shock;Chrome-free system slow release method should
With solving Cr6+Pollution problem, adapt to requirement of the development of modern industry to environmental protection.
But anticorrosive paint easily gets wet, so as to corrode, influence service life and attractive in appearance, it is possible to use bionics is former
Reason, rough coating is made by surface, reaches the purpose of automatically cleaning and waterproof to extend protection life-span of coating and attractive in appearance
Property, in addition it is also necessary to improve the crack resistence performance of coating.
The content of the invention
The object of the invention is exactly to make up the defect of prior art, there is provided a kind of bionical automatically cleaning phosphoric acid of crack resistence Chrome-free
Base high-temperature anticorrosion paint and preparation method thereof.
The present invention is achieved by the following technical solutions：
A kind of bionical automatically cleaning phosphate high-temperature anticorrosion paint of crack resistence Chrome-free, it is characterised in that by the raw material system of following weight portion
Into：Ironic citrate 2-2.2, basic nickel carbonate 3-3.3, ethanol 5-6, appropriate amount of water, appropriate ammoniacal liquor, TiC10-11, butyl titanate
2-2.3, ZnOw 1.6-1.8,85-88% phosphoric acid 28-30, phosphorus pentoxide 68-70,500-800nm polystyrene microsphere
0.5-0.6, aluminium hydroxide 4-5, magnesia 2-3, phosphomolybdic acid zinc 4-4.3, triethanolamine 1-1.3.
The preparation method of the bionical automatically cleaning phosphate high-temperature anticorrosion paint of described crack resistence Chrome-free, it is characterised in that including
Following steps：
（1）Ironic citrate is added in the nitrogen atmosphere in the water of 25-30 weight portions, be heated to 60-80 DEG C, turn in 90-120/
Stirring 1.5-1.8 hours under point, adds TiC, stirs 1-1.5 hours, adds basic nickel carbonate and stirs 3-4 hours, uses ammoniacal liquor
Regulation pH value is heated to 90-130 DEG C and keeps the temperature to continue to stir 2-3 hours to 6-6.5, obtains gel, is atomized,
Then it is calcined 2-2.3 hours at 500-520 DEG C in hydrogen atmosphere, obtains powder；
（2）Ethanol is mixed with butyl titanate, 78-84 DEG C is heated to, ZnOw is added, adjusting pH value with ammoniacal liquor is
8.5-9, in 2.5-3 hour of 200-300 revs/min of lower stirring reaction, dries, and obtains modified zinc oxide whisker；
（3）85-88% phosphoric acid and phosphorus pentoxide are reacted into 1-1.2h at 140-145 DEG C, aluminium hydroxide is added, in 118-122
Reacted at DEG C to transparent, add the water of 45-50 weight portions, stirred, add other residual components, stirred, adjusted
PH value is 3-4, is cooled to room temperature, obtains base-material；
（4）The powder, modified zinc oxide whisker, base-material are well mixed, are obtained final product.
It is an advantage of the invention that：The present invention carries out coating modification using ironic citrate, basic nickel carbonate to TiC, in ceramics
Phase surface has first coated iron and nickel so that TiC particles easily carry out reaction and are combined with base-material, reduce interfacial effect so that apply
The intensity and toughness of layer are greatly improved, and the use of nickel also reduces coating corrosivity；By using butyl titanate
Coating modification is carried out to ZnOw, the compatibility of ZnOw and coating is improve, also with photocatalysis performance, prevented
Paint aging, improves the hardness of coating, reduces hot expansibility, prevents by Thermal cracking；Polystyrene microsphere quilt after being heated
Remove, form small uniform pit so that coating has self-cleaning performance, slows down coating corrosion.
Specific embodiment
A kind of bionical automatically cleaning phosphate high-temperature anticorrosion paint of crack resistence Chrome-free, it is characterised in that by following weight portion（It is public
Jin）Raw material be made：Ironic citrate 2, basic nickel carbonate 3, ethanol 5, appropriate amount of water, appropriate ammoniacal liquor, TiC10, butyl titanate 2,
ZnOw 1.6,85% phosphoric acid 28, phosphorus pentoxide 68,500nm polystyrene microspheres 0.5, aluminium hydroxide 4, magnesia 2,
Phosphomolybdic acid zinc 4, triethanolamine 1.
The preparation method of the bionical automatically cleaning phosphate high-temperature anticorrosion paint of described crack resistence Chrome-free, it is characterised in that including
Following steps：
（1）During ironic citrate is added into the water of 25 weight portions in nitrogen atmosphere, 60 DEG C are heated to, 1.5 are stirred under 90 revs/min
Hour, TiC is added, stir 1 hour, add basic nickel carbonate and stir 3 hours, pH value is adjusted to 6 with ammoniacal liquor, it is heated to 90 DEG C
And keep the temperature to continue to stir 2 hours, and gel is obtained, it is atomized, then roasting 2 is small at 500 DEG C in hydrogen atmosphere
When, obtain powder；
（2）Ethanol is mixed with butyl titanate, 78 DEG C are heated to, ZnOw is added, it is 8.5 to adjust pH value with ammoniacal liquor,
In 2.5 hours of 200 revs/min of lower stirring reactions, dry, obtain modified zinc oxide whisker；
（3）85% phosphoric acid and phosphorus pentoxide are reacted into 1h at 140 DEG C, aluminium hydroxide is added, reacted at 118 DEG C to transparent,
The water of 45 weight portions is added, is stirred, add other residual components, stirred, regulation pH value is 3, is cooled to room temperature,
Obtain base-material；
（4）The powder, modified zinc oxide whisker, base-material are well mixed, are obtained final product.
Experimental data：
The embodiment coating is sprayed, and is dried 2 hours at 200 DEG C, and it is smooth, under the microscope to observe appearance of film after drying
There is uniform pit, adhesive force is that 23.9MPa contact angles are 159 °；Lower temperature resistance：10h is processed at -45 DEG C, paint film is intact；
Heat-resisting quantity：10h is processed at 900 DEG C, paint film is intact, adhesive force is 28.7MPa；Resistance to heat shocks：1000-5 DEG C is processed repeatedly
In 10 cycles, paint film is intact；Resistance to synthetic lubricant fluid：150 DEG C for the treatment of 24h, paint film is unchanged；Hydraulic pressure resistant oiliness：150 DEG C for the treatment of
24h, paint film is unchanged；Resistance to diesel oil：Normal temperature processes 72h, and paint film is unchanged；Water resistance：Normal temperature processes 500h, and paint film is without change
Change；Salt fog resistance：2000h paint films are unchanged；Humidity resistance：1000h paint films are unchanged.
Claims (2)
1. the bionical automatically cleaning phosphate high-temperature anticorrosion paint of a kind of crack resistence Chrome-free, it is characterised in that by the raw material of following weight portion
It is made：Ironic citrate 2-2.2, basic nickel carbonate 3-3.3, ethanol 5-6, appropriate amount of water, appropriate ammoniacal liquor, TiC10-11, the fourth of metatitanic acid four
Ester 2-2.3, ZnOw 1.6-1.8,85-88% phosphoric acid 28-30, phosphorus pentoxide 68-70,500-800nm polystyrene are micro-
Ball 0.5-0.6, aluminium hydroxide 4-5, magnesia 2-3, phosphomolybdic acid zinc 4-4.3, triethanolamine 1-1.3.
2. the preparation method of the bionical automatically cleaning phosphate high-temperature anticorrosion paint of crack resistence Chrome-free according to claim 1, its
It is characterised by comprising the following steps：
（1）Ironic citrate is added in the nitrogen atmosphere in the water of 25-30 weight portions, be heated to 60-80 DEG C, turn in 90-120/
Stirring 1.5-1.8 hours under point, adds TiC, stirs 1-1.5 hours, adds basic nickel carbonate and stirs 3-4 hours, uses ammoniacal liquor
Regulation pH value is heated to 90-130 DEG C and keeps the temperature to continue to stir 2-3 hours to 6-6.5, obtains gel, is atomized,
Then it is calcined 2-2.3 hours at 500-520 DEG C in hydrogen atmosphere, obtains powder；
（2）Ethanol is mixed with butyl titanate, 78-84 DEG C is heated to, ZnOw is added, adjusting pH value with ammoniacal liquor is
8.5-9, in 2.5-3 hour of 200-300 revs/min of lower stirring reaction, dries, and obtains modified zinc oxide whisker；
（3）85-88% phosphoric acid and phosphorus pentoxide are reacted into 1-1.2h at 140-145 DEG C, aluminium hydroxide is added, in 118-122
Reacted at DEG C to transparent, add the water of 45-50 weight portions, stirred, add other residual components, stirred, adjusted
PH value is 3-4, is cooled to room temperature, obtains base-material；
（4）The powder, modified zinc oxide whisker, base-material are well mixed, are obtained final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611143533.0A CN106700669A (en) | 2016-12-13 | 2016-12-13 | Cracking-preventing chromium-free bionic self-cleaning phosphate-based high-temperature anticorrosive coating and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611143533.0A CN106700669A (en) | 2016-12-13 | 2016-12-13 | Cracking-preventing chromium-free bionic self-cleaning phosphate-based high-temperature anticorrosive coating and preparation method thereof |
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| CN106700669A true CN106700669A (en) | 2017-05-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107216720A (en) * | 2017-07-11 | 2017-09-29 | 南通蛇类治疗研究所 | Waste plastics prepares environment protection type functional varnish |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106147564A (en) * | 2015-04-05 | 2016-11-23 | 泉州市合创涂料科技有限公司 | A kind of preparation method of Chrome-free anticorrosive paint |
-
2016
- 2016-12-13 CN CN201611143533.0A patent/CN106700669A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106147564A (en) * | 2015-04-05 | 2016-11-23 | 泉州市合创涂料科技有限公司 | A kind of preparation method of Chrome-free anticorrosive paint |
Non-Patent Citations (2)
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| 傅敏: "无铬环保磷酸盐基高温防腐涂料", 《涂料工业》 * |
| 黄二梅: "透明超疏水涂膜的研究进展", 《化工新型材料》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107216720A (en) * | 2017-07-11 | 2017-09-29 | 南通蛇类治疗研究所 | Waste plastics prepares environment protection type functional varnish |
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