CN109704810A - A kind of inorganic high-temperature resistant ceramic wear-resisting anticorrosive paint - Google Patents
A kind of inorganic high-temperature resistant ceramic wear-resisting anticorrosive paint Download PDFInfo
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- CN109704810A CN109704810A CN201811596519.5A CN201811596519A CN109704810A CN 109704810 A CN109704810 A CN 109704810A CN 201811596519 A CN201811596519 A CN 201811596519A CN 109704810 A CN109704810 A CN 109704810A
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- temperature resistant
- anticorrosive paint
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- resistant ceramic
- ceramic wear
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Abstract
The present invention discloses a kind of inorganic high-temperature resistant ceramic wear-resisting anticorrosive paint, belong to special coating technology domain, the coating belongs to single-component system, including the component based on mass percentage: inorganic binder 10-40, organic modifiers 1-5, coupling agent 0-2, calcined kaolin 1-5, inorganic bentonite 0-2, low-melting glass 1-15, enamel powder 1-15, ceramic composition 5-30, feldspar powder 1-5, the water of auxiliary agent 0-2 and surplus, the coating can be using spraying, it brushes, the construction technologies such as roller coating, compact in paint film, it is plentiful, hardness is high, wearability is good, it is applicable to 500-1550 DEG C of hot environment.
Description
Technical field
The invention belongs to special coating technical fields, and in particular to a kind of system of inorganic high-temperature resistant ceramic wear-resisting anticorrosive paint
Preparation Method.
Technical background
Metal most common corrosion in high-temperature gas is oxidation, and high-temperature oxydation is that the equipment of hot operation must be taken into consideration
One major issue, plasma spraying, thermal spraying and the enamel technology in modern age are limited simultaneously uncomfortable by space, environment and condition
With large-scale Thermal Equipment on site.Therefore, large-scale Thermal Equipment, boiler superheater, water-cooling wall, condenser, economizer and heating
Furnace metal component have to it is exposed work in the condition of high temperature, corrosion and damage is quite serious.So the high temperature protection of metal is appointed so
It is problem urgently to be resolved.
Ceramic coating is a kind of novel special functional coating, is received significant attention in recent years, many coatings enterprises and
Researcher conducts in-depth research ceramic coating, has been achieved for many gratifying achievements.But mostly with inorganic silicic acid
Salt adds a variety of ceramic powders and is combined as filming medium.But single inorganic silicate material brittleness at high temperature
Greatly, poor adhesive force, by high/low temperature exchange be easy to metal-stripping so that anti-corrosion fails, and during low temperature drying, due to silicon
Hydrochlorate has good hydrophily, during air drying, influences vulnerable to the moisture in air, generates flash rusting.It substantially reduces
Coating high-temp corrosion-resistant effect, this is also the major reason that silicate ceramic coating never preferably puts goods on the market.
Summary of the invention
For some problems existing for refractory ceramics coating currently on the market, this patent discloses a kind of inorganic high-temperature resistants
Abrasion resistant anticorrosive paint and preparation method thereof, the coating mainly adopt composite inorganic binder, and PH is controlled in 8-9, by organically-modified
Agent and coupling agent, compound, and have good temperature tolerance, improve the problem of air drying is influenced vulnerable to moisture in the process,
Coupling agent can also enhance the adhesive force of coating.By with a variety of ceramic packings, high temperature glaze and constitution filler, proportion optimizing,
With good temperature tolerance, and elevated temperature strength is high, and hardness is big, and wear-resisting property is excellent, is suitable for most worst hot cases.
In coating system, composite inorganic binder provide hydroxyl (- OH), fund matrix provide cation, just with hydroxyl
Base forms chemical bonds, with the help of coupling agent, or even realizes Covalent bonding together.It is easy to infilter metal in coating sintering
Basal body interface is dissolved to form interface transition layer, generates " pricking nail " effect.
In coating, the O-Si-O covalent bond and ionic bond that the silica solution in SiO2 component and high-temperature agglomerant provides make
Coating forms space net structure, improves the integral strength and compactness of coating.O-Si-O key either low temperature or high temperature are all
The noncrystalline state for keeping macroscopic view unordered, structure interval is small, and organically-modified binder compensates inorganic network, improves the densification of coating
Degree, limited barrier corrosion factor permeate the corrosion to metallic matrix.At high temperature, low melting point amorphous glass melts, and has filled up
The mutually remaining hole of machine, guarantees the continuity of film, continues to increase with temperature, and the melting of enamel powdered frit continues to fill up organic
Mutually remaining hole forms a kind of continuous film, and finely divided and equally distributed ceramic particle is wrapped up, and ceramic phase is in isolated island
Shape, such microstructure make finely divided brittle ceramic mutually can be very good to transmit by stress (mechanical stress, thermal stress)
To uniform amorphous glass continuous phase, disperse stress, while amorphous glass is mutually obtained due to being wrapped on ceramic phase
Strengthen, to make entire metal-cermic coating that there is good elevated temperature strength, shock resistance, thermal shock resistance.
A kind of 1 inorganic high-temperature resistant ceramic wear-resisting anticorrosive paint, which is characterized in that the component based on mass percentage: nothing
Machine binder 10-40, organic modifiers 1-5, coupling agent 0-2, calcined kaolin 1-5, inorganic bentonite 0-2, low-melting glass
1-15, enamel powder 1-15, ceramic composition 5-30, feldspar powder 1-5, auxiliary agent 0-2 and surplus water.
A kind of 2 inorganic high-temperature resistant ceramic wear-resisting anticorrosive paints of institute according to claim 1, the inorganic binder includes sodium water
Glass, silica solution, aluminium dihydrogen phosphate, and ratio is sodium silicate: silica solution: aluminium dihydrogen phosphate=3: 5: 1.
3 a kind of inorganic high-temperature resistant ceramic wear-resisting anticorrosive paint of institute, the organic modifiers are cellulose according to claim 1
Solution, more preferable 10% Gonak.
4 a kind of inorganic high-temperature resistant ceramic wear-resisting anticorrosive paint of institute, the coupling agent are with epoxy group according to claim 1
Coupling agent.
A kind of 5 inorganic high-temperature resistant ceramic wear-resisting anticorrosive paints of institute according to claim 1, the low-melting glass is that fusing point is
450-550 DEG C of amorphous glass.
6 a kind of inorganic high-temperature resistant ceramic wear-resisting anticorrosive paint of institute, the enamel powdered frit are high temperature sintering according to claim 1
Afterwards at the enamel powder of black, and sintering temperature is 850-1150 DEG C.
7 a kind of inorganic high-temperature resistant ceramic wear-resisting anticorrosive paint of institute, the auxiliary agent include dispersing agent, disappear according to claim 1
Infusion, substrate wetting agents, silicate stabilizers.
8 a kind of inorganic high-temperature resistant ceramic wear-resisting anticorrosive paint of institute, the ceramic composition are carbonization according to claim 1
Silicon, zirconium oxide, cerium oxide, chrome oxide green, silicon nitride, and ratio is silicon carbide: zirconium oxide: cerium oxide: chrome oxide green: silicon nitride
=4: 1: 0.2: 2: 1.
The specification of main raw material(s) and source:
| Material name | Specification | Manufacturer |
| Silicon nitride | Purity >=98%, partial size 1-3um | One promise new material Co., Ltd of Qinhuangdao |
| Zirconium oxide | Purity >=98%, partial size 1-3um | Qian Dong lanthanide group limited liability company |
| Silicon carbide | Purity >=98%, partial size 1-3um | Qian Dong lanthanide group limited liability company |
| Calcined kaolin | 2500 mesh | Chemical Co., Ltd. when upper sea cowry |
| Dispersing agent | BYK-190 | Beijing China insults coating |
| Defoaming agent | BYK-028 | Beijing China insults coating |
| Stabilizer | The proud Chinese of Beijing Orient | |
| Wetting agent | BYK-349 | The Nanjing Chinese is precious |
| Low-melting glass | 1500 mesh | The vertical hair in Hunan |
| Enamel powder | 1200 mesh | The vertical hair in Hunan |
| Cerium oxide | 1200 mesh | Qian Dong lanthanide group limited liability company |
| Coupling agent | KH-550 | Nanjing chemical industry forward |
| Cellulose | Zhengzhou grace jade-like stone chemical industry | |
| Sodium silicate | Beijing Red Star chemical plant | |
| Silica solution | Beijing Red Star chemical plant | |
| Aluminium dihydrogen phosphate | Beijing Red Star chemical plant | |
| Inorganic bentonite | 1200 mesh | Chemical Co., Ltd. when upper sea cowry |
| Chrome oxide green | 1200 mesh | Shanghai Yipin Pigments Co., Ltd. |
| Feldspar powder | 1200 mesh | Shanghai section benefit Rake |
Specific implementation method
The content of a kind of inorganic high-temperature resistant ceramic wear-resisting anticorrosive paint that this patent provides, each component and each component is logical
Cross reasonably optimizing matching, acidproof, the alkaline-resisting, comprehensive performances such as coating is fine and close, permeability resistance is strong with higher.
Specific embodiments of the present invention will be described in further detail below.The following examples are intended to illustrate the invention,
But it is not intended to limit the scope of the invention.
A kind of inorganic high-temperature resistant ceramic wear-resisting anticorrosive paint, the coating the preparation method comprises the following steps:
(1) sodium silicate, silica solution are added in a mixing bowl；
(2) part water is added in a mixing bowl, and is stirred evenly with 50-100rpm mixing speed, formed uniform mixed
Close object；
(3) aluminium dihydrogen phosphate, coupling agent, organic modifiers are slowly added to and are stirred with 100-150rpm mixing speed equal
It is even, form uniform mixture；As modified binder.
(4) dispersing agent, substrate wetting agents, defoaming agent, stabilizer are added to (3) step under 150-200rpm mixing speed
In the mixture of formation, and 150-200rpm mixing speed stirs evenly, and forms uniform mixture；
(5) pigments and fillers such as poly- ceramic mixture and enamel powdered frit are added in the mixture of (4) step formation, and
1000rpm mixing speed stirs evenly, and forms uniform mixture；
(6) slurry obtained by step (5) is ground by grinder, is ground 4 hours, so that coating average grain diameter D50
≤20um。
(7) remaining water is added, and in the ground slurry of step (6) with the stirring of 200-300rpm mixing speed
After 30min to substantially uniformity, that is, form inorganic high-temperature resistant abrasion resistant anticorrosive paint.
Specific embodiment
Claims (8)
1. a kind of inorganic high-temperature resistant ceramic wear-resisting anticorrosive paint, which is characterized in that the component based on mass percentage: inorganic viscous
Tie agent 10-40, organic modifiers 1-5, coupling agent 0-2, calcined kaolin 1-5, inorganic bentonite 0-2, low-melting glass 1-15,
Enamel powder 1-15, ceramic composition 5-30, feldspar powder 1-5, auxiliary agent 0-2 and surplus water.
2. a kind of inorganic high-temperature resistant ceramic wear-resisting anticorrosive paint of institute according to claim 1, the inorganic binder includes sodium water glass
Glass, silica solution, aluminium dihydrogen phosphate, and ratio is sodium silicate: silica solution: aluminium dihydrogen phosphate=3: 5: 1.
3. a kind of inorganic high-temperature resistant ceramic wear-resisting anticorrosive paint of institute according to claim 1, the organic modifiers are that cellulose is molten
Liquid, more preferable 10% Gonak.
4. a kind of inorganic high-temperature resistant ceramic wear-resisting anticorrosive paint of institute according to claim 1, the coupling agent is with epoxy group
Coupling agent.
5. a kind of inorganic high-temperature resistant ceramic wear-resisting anticorrosive paint of institute according to claim 1, the low-melting glass is that fusing point is
450-550 DEG C of amorphous glass.
6. a kind of inorganic high-temperature resistant ceramic wear-resisting anticorrosive paint of institute according to claim 1, the enamel powdered frit is after high temperature sintering
At the enamel powder of black, and sintering temperature is 850-1150 DEG C.
7. a kind of inorganic high-temperature resistant ceramic wear-resisting anticorrosive paint of institute according to claim 1, the auxiliary agent includes dispersing agent, defoaming
Agent, substrate wetting agents, silicate stabilizers.
8. a kind of inorganic high-temperature resistant ceramic wear-resisting anticorrosive paint of institute according to claim 1, the ceramic composition is silicon carbide, oxygen
Change zirconium, cerium oxide, chrome oxide green, silicon nitride, and ratio is silicon carbide: zirconium oxide: cerium oxide: chrome oxide green: silicon nitride=4: 1
∶0.2∶2∶1。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811596519.5A CN109704810A (en) | 2018-12-21 | 2018-12-21 | A kind of inorganic high-temperature resistant ceramic wear-resisting anticorrosive paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811596519.5A CN109704810A (en) | 2018-12-21 | 2018-12-21 | A kind of inorganic high-temperature resistant ceramic wear-resisting anticorrosive paint |
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| CN109704810A true CN109704810A (en) | 2019-05-03 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110923607A (en) * | 2019-12-27 | 2020-03-27 | 上海英佛曼纳米科技股份有限公司 | Cold rolling loop roller with wear-resistant and roughness-reduction-resistant nano coating |
| CN110938321A (en) * | 2019-12-13 | 2020-03-31 | 苏州纳迪微电子有限公司 | High-temperature-resistant compact anticorrosive paint and preparation process thereof |
| CN111393138A (en) * | 2020-03-12 | 2020-07-10 | 西南科技大学 | A method for preparing high water absorption ceramic material by using spodumene flotation tailings |
| CN112080040A (en) * | 2020-08-31 | 2020-12-15 | 浙江工业大学 | A kind of porcelain powder and its application |
| CN112209727A (en) * | 2020-09-02 | 2021-01-12 | 珠海弘德表面技术有限公司 | Ceramic coating for heating surface of power plant boiler and preparation method thereof |
| CN113355025A (en) * | 2021-06-18 | 2021-09-07 | 广西三晶化工科技有限公司 | High-temperature binding agent of phosphosilicate aluminum and preparation method thereof |
| CN113969072A (en) * | 2020-10-23 | 2022-01-25 | 深圳优易材料科技有限公司 | High-temperature anticorrosive coating capable of catalytically decomposing dioxin |
| CN115636692A (en) * | 2022-10-31 | 2023-01-24 | 广东西北航空科技股份有限公司 | High-temperature-resistant and anti-oxidation ceramic coating and preparation method and application thereof |
| CN115925257A (en) * | 2023-01-03 | 2023-04-07 | 伟奥仕（北京）科技有限公司 | Anti-adhesion corrosion-resistant inorganic glass ceramic glaze coating and processing method thereof |
| CN116285447A (en) * | 2023-02-17 | 2023-06-23 | 江西恒大高新技术股份有限公司 | High-temperature wear-resistant corrosion-resistant microcrystalline ceramic coating and preparation method thereof |
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2018
- 2018-12-21 CN CN201811596519.5A patent/CN109704810A/en not_active Withdrawn
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110938321A (en) * | 2019-12-13 | 2020-03-31 | 苏州纳迪微电子有限公司 | High-temperature-resistant compact anticorrosive paint and preparation process thereof |
| CN110923607A (en) * | 2019-12-27 | 2020-03-27 | 上海英佛曼纳米科技股份有限公司 | Cold rolling loop roller with wear-resistant and roughness-reduction-resistant nano coating |
| CN111393138A (en) * | 2020-03-12 | 2020-07-10 | 西南科技大学 | A method for preparing high water absorption ceramic material by using spodumene flotation tailings |
| CN111393138B (en) * | 2020-03-12 | 2022-04-26 | 西南科技大学 | Method for preparing high-water-absorption ceramic material by utilizing spodumene flotation tailings |
| CN112080040B (en) * | 2020-08-31 | 2021-12-17 | 浙江工业大学 | A kind of porcelain powder and its application |
| CN112080040A (en) * | 2020-08-31 | 2020-12-15 | 浙江工业大学 | A kind of porcelain powder and its application |
| CN112209727A (en) * | 2020-09-02 | 2021-01-12 | 珠海弘德表面技术有限公司 | Ceramic coating for heating surface of power plant boiler and preparation method thereof |
| CN113969072A (en) * | 2020-10-23 | 2022-01-25 | 深圳优易材料科技有限公司 | High-temperature anticorrosive coating capable of catalytically decomposing dioxin |
| CN113355025A (en) * | 2021-06-18 | 2021-09-07 | 广西三晶化工科技有限公司 | High-temperature binding agent of phosphosilicate aluminum and preparation method thereof |
| CN115636692A (en) * | 2022-10-31 | 2023-01-24 | 广东西北航空科技股份有限公司 | High-temperature-resistant and anti-oxidation ceramic coating and preparation method and application thereof |
| CN115636692B (en) * | 2022-10-31 | 2023-08-29 | 广东西北航空科技股份有限公司 | High-temperature-resistant and oxidation-resistant ceramic coating and preparation method and application thereof |
| CN115925257A (en) * | 2023-01-03 | 2023-04-07 | 伟奥仕（北京）科技有限公司 | Anti-adhesion corrosion-resistant inorganic glass ceramic glaze coating and processing method thereof |
| CN116285447A (en) * | 2023-02-17 | 2023-06-23 | 江西恒大高新技术股份有限公司 | High-temperature wear-resistant corrosion-resistant microcrystalline ceramic coating and preparation method thereof |
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Application publication date: 20190503 |