CN108250948A - High temperature resistant mark coating and preparation method thereof - Google Patents
High temperature resistant mark coating and preparation method thereof Download PDFInfo
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- CN108250948A CN108250948A CN201810139052.5A CN201810139052A CN108250948A CN 108250948 A CN108250948 A CN 108250948A CN 201810139052 A CN201810139052 A CN 201810139052A CN 108250948 A CN108250948 A CN 108250948A
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- high temperature
- temperature resistant
- mark coating
- resistant mark
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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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
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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
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/327—Aluminium phosphate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
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Abstract
The invention discloses a kind of high temperature resistant mark coating and preparation method thereof, which is prepared by the component of following parts by weight for primary raw material：40 50 parts of organic siliconresin, 20 25 parts of epoxy resin, 10 15 parts of mica powder, 5 10 parts of talcum powder, 10 15 parts of aluminium triphosphate, 10 15 parts of zinc oxide, 13 parts of dispersant, 25 parts of anti-settling agent, 35 parts of pigment, 10 15 parts of solvent.Beneficial effects of the present invention are：The maximum operation (service) temperature of the high temperature resistant mark coating reaches 1800 DEG C, meets the requirement of steel billet.
Description
Technical field
The present invention relates to coating, more particularly to a kind of high temperature resistant mark coating and preparation method thereof.
Background technology
The products such as steel billet, the coil of strip material of steel mill's production at present are required for making a kind of mark, record for information about, such as：Production
Unit, product type, number, date of manufacture etc., in order to the management of product and follow-up of quality.Since steel billet, coil of strip material etc. are from life
Production equipment comes out, and needs to do mark immediately, and the surface temperature of these products is very high at this time, and common spray printing coating can not obtain
It obtains and completely, clearly, firmly indicates.
The Chinese patent of Publication No. CN101724341A discloses a kind of high-temperature resistant plate blank mark spray printing coasting.The coating
Chemical composition be by weight percentage：Ethyl polysilicate 30-35%, auxiliary agent：47-60%, filler 9-17%；Auxiliary agent is by carboxylic
Methylcellulose, kaolin and NaOH solution composition, the percentage that auxiliary agent each component accounts for coating total weight are：Carboxymethyl cellulose
5-10%, kaolin 35-40%, NaOH solution 7-10%；Filler is made of titanium dioxide, alumina powder and lithopone, and filler is each
The percentage that component accounts for coating total weight is titanium dioxide 3-6%, alumina powder 3-6%, lithopone 3-5%.
But the maximum operation (service) temperature of the coating is 950 DEG C.The steel grade poured into a mould with conticaster is constantly expanded, pulling rate
It is continuously improved, the spray printing temperature of steel billet has risen to averagely 1050 DEG C from average 950 DEG C, causes the coating that can not meet steel billet
Requirement, have much room for improvement.
Invention content
The object of the present invention is to provide a kind of high temperature resistant mark coatings.The maximum operation (service) temperature of the high temperature resistant mark coating reaches
To 1800 DEG C, meet the requirement of steel billet.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of high temperature resistant mark coating and preparation method thereof is prepared by the component of following parts by weight for primary raw material：
40-50 parts of organic siliconresin
20-25 parts of epoxy resin
10-15 parts of mica powder
5-10 parts of talcum powder
10-15 parts of aluminium triphosphate
10-15 parts of zinc oxide
1-3 parts of dispersant
2-5 parts of anti-settling agent
3-5 parts of pigment
10-15 parts of solvent.
By using above-mentioned technical proposal, organic siliconresin has good heat resistance；Epoxy resin has good strong
Adhesive force and corrosion resistance；Mica powder and talcum powder is nontoxic, high temperature resistant, acid and alkali-resistance, corrosion-resistant, strong adhesive force, and is silicic acid
The salt ,-OH that surface carries can react with the functional group of organic siliconresin；Aluminium triphosphate can at high temperature with
SiO2Si-O-Al alloy-layers are formed, the formation of alloy-layer greatly improves the binding ability of coating and steel billet, is also not easy heat, oxygen
Intrusion, so as to further improve coating oxytolerant, heat resistance；The addition of zinc oxide can substantially improve the heat resistance and machine of coating
Tool performance；Dispersant can promote the dispersion of other components；Anti-settling agent can avoid other compositions from settling in a solvent；Face
Material can assign each component color.
The present invention is further arranged to：The dispersant is at least one of sodium carboxymethylcellulose, sodium alginate.
The present invention is further arranged to：The anti-settling agent is at least one of organobentonite, aerosil.
By using above-mentioned technical proposal, organobentonite is a kind of inorganic mineral/organic ammonium compound, using bentonite as
Raw material, using montmorillonite in bentonite lamellar structure and its can be swollen in water or organic solvent and be dispersed into colloid clay
Characteristic is inserted into organic coverture and manufactured by ion exchange technique.Organobentonite being capable of shape in all kinds of organic solvents
Into gel, there is good suspension stability.Aerosil has porosity, non-toxic and tasteless pollution-free, high temperature resistant.
The present invention is further arranged to：The pigment is at least one in titanium dioxide, iron oxide red, cobalt blue and titanium yellow
Kind.
By using above-mentioned technical proposal, titanium dioxide, iron oxide red, the color of cobalt blue and titanium yellow are common face
Material, it is cheap and easy to get.These four pigment of titanium dioxide, iron oxide red, cobalt blue and titanium yellow are different, so as to utilize four kinds of face
Material mixes other colors, enriches the color of pigment.
The present invention is further arranged to：The pigment particle size is not more than 0.1% for 400 mesh screen residues.
By using above-mentioned technical proposal, the grain size of granules of pigments is suitable, and the grain size for avoiding granules of pigments is excessive, dispersibility
It reduces；The grain size for avoiding granules of pigments is too small, and the purchase cost for leading to pigment is higher, and then influences the cost of final coating.
The present invention is further arranged to：The solvent is one kind in benzene,toluene,xylene.
By using above-mentioned technical proposal, benzene,toluene,xylene is common organic solvent, cheap and easy to get, reduces life
Produce cost.
The present invention is further arranged to：The zinc oxide is nanoscale.
By using above-mentioned technical proposal, compared to common zinc oxide, Nano-class zinc oxide crystal grain is made fine, and is generated
Skin effect that common zinc oxide does not have, bulk effect, quantum size effect and macroscopical tunnel-effect and the high grade of transparency,
Polymolecularity, so as to which zinc oxide be made to increase the enhancing effect of coating property.
Another goal of the invention of the present invention is to provide a kind of preparation method of high temperature resistant mark coating, include the following steps：
Step 1：According to parts by weight, 40-50 parts of organic siliconresin, 20-25 parts of epoxy resin, 10-15 parts of mica powder, talcum are weighed
It is 5-10 parts of powder, 10-15 parts of aluminium triphosphate, 10-15 parts of zinc oxide, 1-3 parts of dispersant, 2-5 parts of anti-settling agent, 3-5 parts of pigment, molten
10-15 parts of agent；
Step 2：Organic siliconresin and epoxy resin are first mixed to get resin compound, heated resin mixture makes organosilicon tree
Fat and epoxy resin carry out copolyreaction and obtain copolymer, the copolymer finished after reaction with solvent dissolving reaction, cooling
Mica powder, talcum powder, aluminium triphosphate, zinc oxide, dispersant, anti-settling agent, pigment are added in after to room temperature, grinding is abundant.
By using above-mentioned technical proposal, organic siliconresin and epoxy resin are first copolymerized, connect organic siliconresin
Upper epoxy resin, so as to form epoxy resin-organic siliconresin mixture system.The mixture system was both resistance to organic siliconresin
Strong adhesive force and corrosion resistance hot and with epoxy resin.On the basis of the mixture system add in mica powder, talcum powder,
Aluminium triphosphate, zinc oxide, dispersant, anti-settling agent, pigment, so as to enhance the comprehensive performance of the mixture system.
The present invention is further arranged to：The reaction time of the step 2 is 3-6h, and reaction temperature is 160-240 DEG C.
By using above-mentioned technical proposal, the reaction time of rate-determining steps 2 and reaction temperature are appropriate, avoid reaction time mistake
Long and reaction temperature is excessively high, and side reaction is caused to increase；Also it avoids the reaction time too short too low with reaction temperature, leads to reaction not
It is enough.
In conclusion the invention has the advantages that：
Titanium dioxide, iron oxide red, cobalt blue and titanium yellow are metallic compound, can in system catalyzed mica powder and talcum powder
It reacts with organic siliconresin, and forms Si-O-M, M represents metal, strengthens the performance of high-temperature resistant coating.
Specific embodiment
Embodiment 1-5 is used for the preparation method for illustrating high temperature resistant mark coating.High temperature resistant mark coating in embodiment 1-5
Raw material is shown in Table 1.
Table 1
Note：Unit " part " refers to parts by weight；Pigment particle size is not more than 0.1% for 400 mesh screen residues.
The preparation method of 1 high temperature resistant mark coating of embodiment described further below, embodiment 2-5 is the same as embodiment 1.
A kind of preparation method of high temperature resistant mark coating, includes the following steps：
Step 1：According to parts by weight, organic siliconresin, epoxy resin, mica powder, talcum powder, aluminium triphosphate, nanoscale are weighed
Zinc oxide, dispersant, anti-settling agent, pigment, solvent；
Step 2：Organic siliconresin and epoxy resin are first mixed to get resin compound, heated resin mixture makes organosilicon tree
Fat and epoxy resin carry out copolyreaction and obtain copolymer, the copolymer finished after reaction with solvent dissolving reaction, cooling
Mica powder, talcum powder, aluminium triphosphate, zinc oxide, dispersant, anti-settling agent, pigment are added in after to room temperature, grinding is abundant.
Comparative example 1
Choose the embodiment 3 of Publication No. CN101724341A as a comparison case 1.
High temperature resistant is tested
Step 1：By the coating prepared according to embodiment 1-5 and comparative example 1 be sprayed on respectively 250 DEG C, 500 DEG C, 950 DEG C, 1050
DEG C and 1800 DEG C of steel billet, be air-cooled to room temperature after maintaining steel billet temperature 1h, whether observation mark comes off and whether fade；
Step 2：Steel billet temperature is maintained to repeat step 1 to 2h and 5h respectively.
Table 2
Note：Expression does not come off；+ represent to fall off ,+quantity is more, shows to come off more serious；
× represent not fade；Zero represents to fade, and zero quantity is more, shows to fade more serious.
As known from Table 2, the maximum operation (service) temperature of comparative example 1 is 950 DEG C, and maximum operation (service) temperature of the present invention reaches 1800
DEG C, higher than current 1050 DEG C of steel billet temperature average value.Therefore, high temperature resistant mark coating of the present invention disclosure satisfy that the use of steel billet will
It asks.
In the present invention, organic siliconresin and epoxy resin form epoxy resin-organic siliconresin mixture system, mica powder
- the OH carried with its surface of talcum powder can react with the functional group of organic siliconresin, pigment catalyzed mica powder and talcum
Powder reacts with organic siliconresin, aluminium triphosphate can at high temperature with SiO2Si-O-Al alloy-layers are formed, it is common to be promoted
The high temperature resistance of the present invention.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art
Member can as needed make the present embodiment the modification of no creative contribution after this specification is read, but as long as at this
It is all protected in the right of invention by Patent Law.
Claims (9)
1. a kind of high temperature resistant mark coating, it is characterized in that：It is prepared by the component of following parts by weight for primary raw material：
40-50 parts of organic siliconresin
20-25 parts of epoxy resin
10-15 parts of mica powder
5-10 parts of talcum powder
10-15 parts of aluminium triphosphate
10-15 parts of zinc oxide
1-3 parts of dispersant
2-5 parts of anti-settling agent
3-5 parts of pigment
10-15 parts of solvent.
2. high temperature resistant mark coating according to claim 1, it is characterized in that：The dispersant for sodium carboxymethylcellulose,
At least one of sodium alginate.
3. high temperature resistant mark coating according to claim 1, it is characterized in that：The anti-settling agent is organobentonite, gas phase
At least one of silica.
4. high temperature resistant mark coating according to claim 1, it is characterized in that：The pigment is titanium dioxide, iron oxide red, cobalt
At least one of blue and titanium yellow.
5. high temperature resistant mark coating according to claim 4, it is characterized in that：The pigment particle size is little for 400 mesh screen residues
In 0.1%.
6. high temperature resistant mark coating according to claim 1, it is characterized in that：The solvent is in benzene,toluene,xylene
It is a kind of.
7. high temperature resistant mark coating according to claim 1, it is characterized in that：The zinc oxide is nanoscale.
8. a kind of preparation method of high temperature resistant mark coating, it is characterized in that：Include the following steps：
Step 1：According to parts by weight, 40-50 parts of organic siliconresin, 20-25 parts of epoxy resin, 10-15 parts of mica powder, talcum are weighed
It is 5-10 parts of powder, 10-15 parts of aluminium triphosphate, 10-15 parts of zinc oxide, 1-3 parts of dispersant, 2-5 parts of anti-settling agent, 3-5 parts of pigment, molten
10-15 parts of agent；
Step 2：Organic siliconresin and epoxy resin are first mixed to get resin compound, heated resin mixture makes organosilicon tree
Fat and epoxy resin carry out copolyreaction and obtain copolymer, the copolymer finished after reaction with solvent dissolving reaction, cooling
Mica powder, talcum powder, aluminium triphosphate, zinc oxide, dispersant, anti-settling agent, pigment are added in after to room temperature, grinding is abundant.
9. the preparation method of high temperature resistant mark coating according to claim 8, it is characterized in that：During the reaction of the step 2
Between for 3-6h, reaction temperature is 160-240 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810139052.5A CN108250948A (en) | 2018-02-09 | 2018-02-09 | High temperature resistant mark coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810139052.5A CN108250948A (en) | 2018-02-09 | 2018-02-09 | High temperature resistant mark coating and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN108250948A true CN108250948A (en) | 2018-07-06 |
Family
ID=62744242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201810139052.5A Pending CN108250948A (en) | 2018-02-09 | 2018-02-09 | High temperature resistant mark coating and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112194981A (en) * | 2020-09-18 | 2021-01-08 | 东来涂料技术（上海）股份有限公司 | Low-temperature reaction type high-temperature-resistant coating and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1580160A (en) * | 2003-08-03 | 2005-02-16 | 陈泽峰 | Temperature-proof anticorrosive coating |
| CN1709988A (en) * | 2005-07-05 | 2005-12-21 | 北京国科京彪新材料科技有限公司 | High-temperature thermal-insulation anticorrosive nano coating and its preparing method |
| CN103360941A (en) * | 2013-06-26 | 2013-10-23 | 南京市荣达树脂有限公司 | High temperature resistant organic silicon resin emulsion paint |
| CN103468131A (en) * | 2013-09-22 | 2013-12-25 | 江苏华夏制漆科技有限公司 | Salt-fog-resistant and high-temperature-resistant paint and preparation method thereof |
| CN103484014A (en) * | 2013-06-26 | 2014-01-01 | 南京市荣达树脂有限公司 | Preparation method of organic silicon high-temperature resistant resin coating |
-
2018
- 2018-02-09 CN CN201810139052.5A patent/CN108250948A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1580160A (en) * | 2003-08-03 | 2005-02-16 | 陈泽峰 | Temperature-proof anticorrosive coating |
| CN1709988A (en) * | 2005-07-05 | 2005-12-21 | 北京国科京彪新材料科技有限公司 | High-temperature thermal-insulation anticorrosive nano coating and its preparing method |
| CN103360941A (en) * | 2013-06-26 | 2013-10-23 | 南京市荣达树脂有限公司 | High temperature resistant organic silicon resin emulsion paint |
| CN103484014A (en) * | 2013-06-26 | 2014-01-01 | 南京市荣达树脂有限公司 | Preparation method of organic silicon high-temperature resistant resin coating |
| CN103468131A (en) * | 2013-09-22 | 2013-12-25 | 江苏华夏制漆科技有限公司 | Salt-fog-resistant and high-temperature-resistant paint and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112194981A (en) * | 2020-09-18 | 2021-01-08 | 东来涂料技术（上海）股份有限公司 | Low-temperature reaction type high-temperature-resistant coating and preparation method thereof |
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