CN113402956A - High-flash-point odor-free coating and preparation method and application thereof - Google Patents
High-flash-point odor-free coating and preparation method and application thereof Download PDFInfo
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- CN113402956A CN113402956A CN202110671937.1A CN202110671937A CN113402956A CN 113402956 A CN113402956 A CN 113402956A CN 202110671937 A CN202110671937 A CN 202110671937A CN 113402956 A CN113402956 A CN 113402956A
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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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/08—Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
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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
- C09D7/20—Diluents or solvents
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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
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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
- C09D7/63—Additives non-macromolecular organic
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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
- 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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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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
- 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
Abstract
The invention belongs to the technical field of coatings, and particularly relates to a high flash point odor-free coating as well as a preparation method and application thereof. The invention provides a high flash point odor-free coating which comprises the following components in parts by weight: 50-60 parts of alkyd resin; 10-20 parts of a solvent; 5-10 parts of zinc oxide; 10-25 parts of titanium dioxide; 3-5 parts of alpha-terpineol; 4-5 parts of a film-forming assistant; 0.3-0.5 part of a dispersing agent; 0.4-0.6 part of anti-settling agent; 0.1-0.3 part of wetting agent; 0.5-0.7 part of a drier; 0.1-0.3 part of anti-skinning agent. The high-flash-point compound is used as a main body, and is matched with the high-flash-point auxiliary agent, so that the flash point of the coating is improved under the action of zinc oxide, titanium dioxide, alpha-terpineol, a dispersing agent, an anti-settling agent, a drier, a wetting agent and an anti-skinning agent, and the flash point of the coating is maintained above 61 ℃; moreover, the coating provided by the invention has no special smell and is green and environment-friendly.
Description
Technical Field
The invention belongs to the technical field of coatings, and particularly relates to a high flash point odor-free coating as well as a preparation method and application thereof.
Background
With the continuous development of the coating industry in China, the application of the coating is more and more extensive, but the flash point of the traditional coating is lower, and the traditional coating has the risk of flammability in the transportation and use processes, and in addition, in order to ensure the dispersibility, the adhesive force and the coating effect of the coating, the traditional coating commonly adopts compounds with volatile characteristics, so that the traditional coating emits unpleasant odor in the use process, not only causes the environmental pollution, but also threatens the health of human bodies. How to improve the flash point of the coating and reduce the odor of the coating on the premise of ensuring the dispersibility, the adhesion and the coating effect of the coating is an urgent problem to be solved in the coating industry.
Disclosure of Invention
The invention aims to provide a high-flash-point odor-free coating which has a high flash point and has the characteristic of no special odor on the premise of ensuring the dispersibility, the adhesive force and the coating effect of the coating.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention provides a high flash point odor-free coating which comprises the following components in parts by weight: 50-60 parts of alkyd resin; 10-20 parts of a solvent; 5-10 parts of zinc oxide; 10-25 parts of titanium dioxide; 3-5 parts of alpha-terpineol; 4-5 parts of a film-forming assistant; 0.3-0.5 part of a dispersing agent; 0.4-0.6 part of anti-settling agent; 0.1-0.3 part of wetting agent; 0.5-0.7 part of a drier; 0.1-0.3 part of anti-skinning agent; the solvent comprises a D40 solvent and/or a D60 solvent; the film-forming assistant is dipropylene glycol butyl ether and/or diethylene glycol butyl ether.
Preferably, the particle size of the zinc oxide is 30-60 nm.
Preferably, the alkyd resin is a 389-9 alkyd resin.
Preferably, the titanium dioxide is rutile titanium dioxide R902 or R907.
Preferably, the anti-settling agent is BYK-410.
Preferably, the wetting agent is TritonX-405 or octyl phenol polyether-9.
Preferably, the siccative is Borchers Dry0411 HS.
Preferably, the anti-skinning agent is an oxime anti-skinning agent.
The invention also provides a preparation method of the high-flash-point odor-free coating, which comprises the following steps: dispersing a dispersing agent, an anti-settling agent, a wetting agent, a film forming aid and a drier in a solvent to obtain a first solution; mixing alkyd resin and terpineol with the first solution to obtain emulsion; and mixing the anti-skinning agent, the zinc oxide and the titanium dioxide with the emulsion to obtain the high-flash-point odorless coating.
The invention also provides application of the high-flash-point odor-free coating on the metal surface.
The invention provides a high flash point odor-free coating which comprises the following components in parts by weight: 50-60 parts of alkyd resin; 10-20 parts of a solvent; 5-10 parts of zinc oxide; 10-25 parts of titanium dioxide; 4-5 parts of a film-forming assistant; 3-5 parts of alpha-terpineol; 0.3-0.5 part of a dispersing agent; 0.4-0.6 part of anti-settling agent; 0.1-0.3 part of wetting agent; 0.5-0.7 part of a drier; 0.1-0.3 part of anti-skinning agent. The high flash point compound (alkyd resin: 389-9 alkyd resin; solvent: D40 solvent and/or D60 solvent) is used as a main body, a high flash point film-forming assistant (dipropylene glycol butyl ether and/or diethylene glycol butyl ether) is matched, and under the action of zinc oxide, titanium dioxide, alpha-terpineol, a dispersing agent, an anti-settling agent, a drier, a wetting agent and an anti-skinning agent, the flash point of the coating is effectively improved, and the flash point of the coating is maintained above 61 ℃. The coating provided by the invention has a high flash point, the coating solvent is mainly low-odor solvent, and the alpha-terpineol and the zinc oxide can play roles in deodorizing and regulating volatilization speed, so that the coating provided by the invention has no special odor.
In addition, according to GB13690-92 Classification and Mark of commonly used dangerous chemicals, the coating provided by the invention belongs to non-dangerous chemicals; according to GB15603-1995 general rules on storage of chemical hazardous materials and regulations on road transportation of dangerous goods, the paint provided by the invention can be transported and stored according to common goods, and is safer and more convenient to transport and store.
Detailed Description
The invention provides a high flash point odor-free coating which comprises the following components in parts by weight:
50-60 parts of alkyd resin;
10-20 parts of a solvent;
5-10 parts of zinc oxide;
10-25 parts of titanium dioxide;
3-5 parts of alpha-terpineol;
4-5 parts of a film-forming assistant;
0.3-0.5 part of a dispersing agent;
0.4-0.6 part of anti-settling agent;
0.1-0.3 part of wetting agent;
0.5-0.7 part of a drier;
0.1-0.3 part of anti-skinning agent;
the solvent comprises a D40 solvent and/or a D60 solvent; the film-forming assistant is dipropylene glycol butyl ether and/or diethylene glycol butyl ether.
Unless otherwise specified, the sources of the components of the high flash point odor-reducing coating of the present invention are not particularly limited and are well known to those skilled in the art.
The high-flash-point odor-free coating comprises, by weight, 50-60 parts of alkyd resin, preferably 53-57 parts, and more preferably 55 parts. The high flash point odor-free coating provided by the invention strictly controls the using amount of alkyd resin, so that the coating is easy to form a film, the paint film performance of the coating is improved, the coating is prevented from being dried difficultly due to excessive using amount, and the coating is prevented from being dried and cracked due to too little using amount. In the present invention, the alkyd resin is preferably a 389-9 alkyd resin. The 389-9 alkyd resin is used as a film forming substance, and the use amount of the alkyd resin is strictly controlled, so that the finally prepared coating has a high flash point, and has a low odor compared with other film forming substances. In addition, the alkyd resin is matched with other components, so that the high-flash-point odor-free coating keeps basic adhesive force, flexibility, alkali resistance, acid resistance and wear resistance, and meanwhile, the alkyd resin is high in hardness, smooth and fine in paint film, non-toxic and pollution-free, and the service life of the paint film of the coating can be effectively prolonged.
Based on the weight parts of the alkyd resin, the high flash point odor-free coating provided by the invention comprises 10-20 parts of a solvent, preferably 13-20 parts, and more preferably 15 parts; the solvent preferably comprises a D40 solvent and/or a D60 solvent. The high flash point odor-free coating provided by the invention strictly controls the dosage of the solvent, ensures the viscosity degree of the finally prepared coating, enables the coating to be better coated, and not only avoids the problems that the coating is too thin and difficult to adhere due to excessive dosage, but also avoids the problems that the coating is too thick and difficult to disperse due to too little dosage. The invention takes the D40 solvent and/or the D60 solvent as the solvent, can ensure that the flash point of the solvent is higher and no special odor exists, and can improve the flash point of the coating and reduce the odor of the coating while ensuring the property of the coating when being matched with other raw materials for use.
Based on the weight parts of the alkyd resin, the high flash point odor-free coating provided by the invention comprises 5-10 parts of zinc oxide, and more preferably 7 parts of zinc oxide; the particle size of the zinc oxide is 30-60 nm, more preferably 40-50 nm, and most preferably 45 nm. According to the invention, the zinc oxide is used as a filler, so that the mechanical property of the coating can be improved, the dosage of the zinc oxide is strictly controlled, the finally obtained coating film has better mechanical property, the influence of excessive dosage on the film forming effect of the coating is avoided, and the influence of insufficient dosage on the mechanical property of the coating film is also avoided; meanwhile, the invention also limits the zinc oxide to be nano-scale zinc oxide, and in the invention, the nano-scale zinc oxide is also used as an adsorbent to adsorb the odor released by other raw materials, thereby reducing the overall odor of the coating. According to the invention, zinc oxide is used in combination with other raw materials, so that the flash point of the coating can be improved and the smell of the coating can be reduced while the properties of the coating are ensured.
Based on the weight parts of the alkyd resin, the high flash point odor-free coating provided by the invention comprises 10-25 parts of titanium dioxide, and more preferably 17 parts of titanium dioxide; the titanium dioxide is preferably rutile titanium dioxide R902 or R907. The invention strictly controls the dosage of the titanium dioxide, ensures that the finally obtained paint film has better performance, and not only avoids the influence of excessive dosage on the film forming effect of the paint, but also avoids the influence of too little dosage on the color of the protective paint. According to the invention, the titanium dioxide is matched with other raw materials for use, so that the performance and flash point of the coating can be improved and the smell of the coating can be reduced while the properties of the coating are ensured.
Based on the weight parts of the alkyd resin, the high flash point odor-free coating provided by the invention comprises 3-5 parts of alpha-terpineol, and more preferably 4 parts of alpha-terpineol. In the invention, the terpineol is used as a deodorant, so that the special odor of other raw materials in the coating can be reduced, the using amount of the terpineol is strictly controlled, the coating finally obtained is ensured to have no special odor, the phenomenon that the coating is diluted due to excessive using amount and the mechanical property of the coating is reduced is avoided, and the phenomenon that the odor of other raw materials cannot be removed due to too little using amount is also avoided. In addition, in the invention, the flash point of the alpha-terpineol is 90 ℃, and the alpha-terpineol has the effect of regulating the volatilization speed. The alpha-terpineol is used together with other raw materials, so that the flash point of the coating can be improved and the smell of the coating can be reduced while the property of the coating is ensured.
Based on the weight parts of the alkyd resin, the high flash point odor-free coating provided by the invention comprises 4-5 parts of a film-forming assistant; the film-forming assistant is dipropylene glycol butyl ether and/or diethylene glycol butyl ether. The high flash point odor-free coating provided by the invention strictly controls the dosage of the dipropylene glycol butyl ether or the diethylene glycol butyl ether, so that the film forming speed of the coating is controlled, the coating is prevented from being diluted and difficult to cure due to excessive dosage of the film forming agent, and the coating is prevented from being cured for too long due to too little dosage of the film forming agent. In addition, dipropylene glycol butyl ether or diethylene glycol butyl ether has a certain pungent odor, and an excessive amount thereof causes the paint to have a pungent odor. According to the invention, a proper amount of dipropylene glycol butyl ether or diethylene glycol butyl ether is matched with other raw materials for use, so that the flash point of the coating can be improved while the property of the coating is ensured.
Based on the weight parts of the alkyd resin, the high flash point odor-free coating provided by the invention comprises 0.3-0.5 part of a dispersant, and more preferably 0.4 part; the dispersant preferably comprises triton XN-45S. The high flash point odor-free coating provided by the invention strictly controls the dosage of the dispersant, ensures that a finally obtained coating film has better performance, and avoids not only slow drying of the coating film caused by excessive dosage, but also floating color and coating precipitation of the coating film caused by too little dosage. The invention uses the dispersant and other raw materials in a matching way, and can improve the flash point of the coating and reduce the odor of the coating while ensuring the properties of the coating.
Based on the weight parts of the alkyd resin, the high flash point odor-free coating provided by the invention comprises 0.4-0.6 part of anti-settling agent, and more preferably 0.5 part; the anti-settling agent preferably comprises BYK-410. According to the invention, the anti-settling agent can prevent other raw materials from settling, and the dosage of the anti-settling agent is strictly controlled by the high flash point odor-free coating provided by the invention, so that a finally obtained coating film has better performance, and the phenomenon that the viscosity of the coating is too high due to too much dosage is avoided, and the phenomenon that the anti-settling effect cannot be achieved due to too little dosage is also avoided. The anti-settling agent is matched with other raw materials for use, so that the property of the coating can be ensured, the flash point of the coating can be improved, and the smell of the coating can be reduced.
Based on the weight parts of the alkyd resin, the high flash point odor-free coating provided by the invention comprises 0.1-0.3 part of wetting agent, and more preferably 0.2 part; the wetting agent preferably comprises Triton X-405 or octyl phenol polyether-9. The wetting agent has the function of wetting the filler, is beneficial to improving the coating effect of alkyd resin on other raw materials and preventing the raw materials such as titanium dioxide, zinc oxide and the like from floating. The invention uses the wetting agent and other raw materials in a matching way, and can improve the flash point of the coating and reduce the odor of the coating while ensuring the properties of the coating.
Based on the weight parts of the alkyd resin, the high flash point odor-free coating provided by the invention comprises 0.5-0.7 part of drier, and more preferably 0.6 part; preferably, the siccative comprises Borchers Dry0411 HS. In the invention, the drier has the function of accelerating the drying of a paint film of the paint, the dosage of the drier is strictly controlled by the high flash point odor-free paint provided by the invention, the moderate drying speed of the paint film of the paint is ensured, the phenomenon that the paint is easy to crust when the dosage is too much is avoided, and the phenomenon that the paint film is difficult to dry when the dosage is too little is also avoided. The drier is matched with other raw materials for use, so that the flash point of the coating can be improved and the smell of the coating can be reduced while the property of the coating is ensured.
Based on the weight parts of the alkyd resin, the high flash point odor-free coating provided by the invention comprises 0.1-0.3 part of an anti-skinning agent, and more preferably 0.2 part; the anti-skinning agent preferably comprises an oxime anti-skinning agent. In the invention, the anti-skinning agent has the function of preventing the skinning of the coating in the storage process, the dosage of the anti-skinning agent is strictly controlled by the high-flash-point odorless coating provided by the invention, the moderate drying speed of a coating film is ensured, the phenomenon that the coating film is not dried due to excessive dosage is avoided, and the phenomenon that the anti-skinning effect cannot be achieved due to too small dosage is also avoided. The anti-skinning agent is matched with other raw materials, so that the property of the coating can be ensured, the flash point of the coating can be improved, and the smell of the coating can be reduced.
The high-flash-point compound is used as a main body, and is matched with a high-flash-point film-forming additive (dipropylene glycol butyl ether and/or diethylene glycol butyl ether), so that the obtained coating has a high flash point under the action of zinc oxide, titanium dioxide, alpha-terpineol, a dispersing agent, an anti-settling agent, a drier, a wetting agent and an anti-skinning agent, and the flash point of the coating is maintained above 61 ℃, so that the coating is safer and more convenient to transport, store and use. Meanwhile, the coating provided by the invention mainly uses a low-odor solvent, and simultaneously, alpha-terpineol and zinc oxide play a role in removing odor, so that the coating provided by the invention has no special odor.
The invention also provides a preparation method of the high-flash-point odor-free coating, which comprises the following steps:
adding a dispersing agent, an anti-settling agent, a wetting agent, a film forming aid and a drier into a solvent, and dispersing to obtain a first solution;
mixing alkyd resin and terpineol with the first solution, and dispersing to obtain emulsion;
and mixing the anti-skinning agent, zinc oxide and titanium dioxide with the emulsion, and dispersing to obtain the high-flash-point odor-free coating.
The dispersant, the anti-settling agent, the wetting agent, the film forming aid and the drier are dispersed in a solvent to obtain a first solution. In the invention, preferably, a dispersing agent, an anti-settling agent, a wetting agent, a film forming aid and a drier are added into a solvent, and the obtained mixed solution is dispersed to obtain a first solution. In the invention, the rotation speed of the dispersion is preferably 500-600 r/min, more preferably 505-560 r/min, and even more preferably 550 r/min; the dispersing time is preferably 5-15 min, more preferably 7-12 min, and even more preferably 10 min. The invention realizes dispersion at a specific rotating speed, further ensures the dispersion uniformity in the initial dispersion process, and ensures that the finally obtained paint film has stable properties.
After the first solution is obtained, the first solution is mixed with alkyd resin and terpineol to obtain the emulsion. In the present invention, the mixing is preferably performed by dispersion mixing, preferably under stirring conditions; the rotation speed of the dispersing and mixing is preferably 1000-1500 r/min, and more preferably 1250 r/min; the dispersing time is preferably 10-30 min, and more preferably 20 min. In the embodiment of the invention, the catalyst and the solvent are preferably mixed uniformly to obtain a mixed solution, and then the dispersing agent, the anti-settling agent, the wetting agent and the film-forming assistant are added, so that the solution is ensured to be in a liquid state, and the solution is prevented from being solidified in the mixing process.
After the emulsion is obtained, the anti-skinning agent, the zinc oxide and the titanium dioxide are mixed with the emulsion to obtain the high-flash-point odor-free coating. In the present invention, the mixing is preferably performed by dispersion mixing, preferably under stirring conditions; the rotation speed of the dispersing and mixing is preferably 1000-1500 r/min, and more preferably 1250 r/min; the dispersing time is preferably 10-30 min, and more preferably 20 min.
The invention adopts the mixing sequence, can ensure the dispersion uniformity of the raw materials, and can ensure the viscosity of the solution, emulsion or finished product obtained after dispersion, thereby ensuring the quality of the finished product finally prepared. In addition, in the preparation process, the preparation of the high-flash-point odor-free coating is realized through three times of mixing, wherein in the three times of mixing, the first time of mixing adopts low-speed mixing, and the second time and the third time of mixing adopt a high-speed mixing mode, so that the uniformity of the dispersion of different raw materials in different dispersion processes is ensured. In the first mixing, a lower mixing speed is adopted, so that the layering of a mixed solution or the precipitation of a solid substance on the bottom layer of the solution due to overhigh rotating speed is avoided after the dispersing agent, the anti-settling agent, the wetting agent, the film-forming aid and the solvent are mixed; in the second mixing, the viscosity of the original solution is improved due to the addition of the alkyd resin and the terpineol, and the dispersion degree of each component in the mixed emulsion can be ensured only by adopting higher mixing speed; in the second and third mixing, because the integral viscosity of the emulsion is improved, in order to ensure that the zinc oxide and the titanium dioxide in a solid state can be fully dispersed in the emulsion, the invention adopts higher dispersion speed. The invention strictly controls the mixing speed for three times, ensures the dispersibility of each component of the finally obtained coating, avoids the conglobation distribution of the coating components caused by insufficient mixing, and also avoids the obvious precipitation of the coating components caused by excessive mixing. In the mixing process, the raw materials are divided into three groups to be sequentially mixed, and the mixing is limited in this way, so that the stability of the solution in the mixing process is ensured, and the solution is prevented from being solidified in the mixing process.
The invention also provides application of the high-flash-point odor-free coating prepared by the technical scheme or the preparation method of the technical scheme on a metal surface, such as the surface of a railing, a steel structure and mechanical equipment.
The technical solution of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The following examples are given in parts by weight.
Example 1
Adding 0.5 part of drier Borchers Dry0411HS, 0.3 part of dispersant Triton XN-45S, 0.5 part of anti-settling agent BYK-410, 0.2 part of wetting agent Triton X-405 and 5 parts of film-forming aid dipropylene glycol butyl ether into 14 parts of D40 solvent, and dispersing for 10min at 500r/min to obtain a first solution;
adding 50 parts of 389-9 alkyd resin and 5 parts of alpha-terpineol into the first solution, and dispersing for 20min at 1000r/min to obtain an emulsion;
and adding 0.2 part of anti-skinning agent butanone oxime, 7 parts of zinc oxide and 18 parts of titanium dioxide into the emulsion, and dispersing for 20min at 1500r/min to obtain a finished product of the high-flash-point odor-free coating.
Example 2
Mixing 0.6 part of drier Borchers Dry0411HS, 6 parts of D40 solvent oil and 7.5 parts of D60 solvent to obtain a mixed solvent;
adding 0.3 part of dispersant Triton XN-45S, 0.5 part of anti-settling agent BYK-410, 0.2 part of wetting agent Triton X-405 and 5.5 parts of film-forming aid dipropylene glycol butyl ether into a mixed solvent, and dispersing at a low speed of 600r/min for 10min to obtain a first solution;
adding 0.2 part of butanone oxime as an anti-skinning agent, 52 parts of 389-9 alkyd resin and 6 parts of alpha-terpineol into the first solution, and dispersing at a high speed of 1000r/min for 20min to obtain an emulsion;
adding 8 parts of zinc oxide and 14 parts of titanium dioxide into the emulsion, and dispersing at a high speed of 1500r/min for 20min to obtain a finished product of the high-flash-point odorless coating.
Example 3
Adding 0.7 part of drier Borchers Dry0411HS, 0.4 part of dispersant Triton XN-45S, 0.5 part of anti-settling agent BYK-410, 0.1 part of wetting agent Triton X-405 and 4 parts of film-forming aid dipropylene glycol butyl ether into 14 parts of D60 solvent, and dispersing at a low speed of 500r/min for 10min to obtain a first solution;
adding 56 parts of 389-9 alkyd resin and 5 parts of alpha-terpineol into the first solution, and dispersing at a high speed of 1500r/min for 20min to obtain an emulsion;
and adding 0.2 part of anti-skinning agent butanone oxime, 5 parts of zinc oxide and 15 parts of titanium dioxide into the emulsion, and dispersing at a high speed of 1500r/min for 20min to obtain a finished product of the high-flash-point odorless coating.
Example 4
Adding 0.6 part of drier Borchers Dry0411HS, 0.3 part of dispersant Triton XN-45S, 0.5 part of anti-settling agent BYK-410, 0.1 part of wetting agent Triton X-405 and 4.5 parts of film-forming aid dipropylene glycol butyl ether into 14.6 parts of D60 solvent, and dispersing at a low speed of 500r/min for 10min to obtain a first solution;
adding 52 parts of 389-9 alkyd resin and 4 parts of alpha-terpineol into the first solution, and dispersing at a high speed of 1200r/min for 20min to obtain an emulsion;
and adding 0.2 part of butanone oxime as an anti-skinning agent and 24 parts of titanium dioxide into the emulsion, and dispersing at a high speed of 1500r/min for 20min to obtain a finished product of the high-flash-point odor-free coating.
Comparative example 1
A coating material was prepared by referring to the preparation method of example 1, wherein alpha-terpineol was not added during the preparation process, and the other steps were exactly the same as example 1.
Comparative example 2
Is a high flash point alkyd protective coating produced by the company.
And (3) carrying out performance test on the finished high-flash-point odorless coating obtained in the examples 1-4 and the coatings obtained in the comparative examples 1 and 2. The test results are shown in table 1.
TABLE 1 high flash Point odor free coating Performance test results
As can be seen from Table 1, compared with the coatings provided by comparative examples 1 and 2, the high-flash-point odor-free coating provided by embodiments 1 to 4 of the invention has better adhesive force, bonding strength, water resistance and damp-heat resistance, and can meet the use requirement of the coating, and the flash point of the high-flash-point odor-free coating provided by embodiments 1 to 4 of the invention is 62 to 63 ℃, so that the high-flash-point odor-free coating is safer in the production, transportation and use processes; in addition, compared with the coating provided by the comparative examples 1 and 2, the high-flash-point odor-free coating provided by the embodiments 1 to 4 of the invention does not generate other odors after being coated, and is green and environment-friendly.
Although the present invention has been described in detail with reference to the above embodiments, it is only a part of the embodiments of the present invention, not all of the embodiments, and other embodiments can be obtained without inventive step according to the embodiments, and the embodiments are within the scope of the present invention.
Claims (10)
1. The high-flash-point odor-removing coating is characterized by comprising the following components in parts by weight:
50-60 parts of alkyd resin;
10-20 parts of a solvent;
5-10 parts of zinc oxide;
10-25 parts of titanium dioxide;
3-5 parts of alpha-terpineol;
4-5 parts of a film-forming assistant;
0.3-0.5 part of a dispersing agent;
0.4-0.6 part of anti-settling agent;
0.1-0.3 part of wetting agent;
0.5-0.7 part of a drier;
0.1-0.3 part of anti-skinning agent;
the solvent comprises a D40 solvent and/or a D60 solvent; the film-forming assistant is dipropylene glycol butyl ether and/or diethylene glycol butyl ether.
2. The high flash point odor purification coating of claim 1, wherein the zinc oxide has a particle size of 30 to 60 nm.
3. The high flash point odor purification coating of claim 1, wherein said alkyd resin is a 389-9 alkyd resin.
4. The high flash point odor purification coating of claim 1, wherein said titanium dioxide is rutile titanium dioxide R902 or R907.
5. The high flash point odor purification coating of claim 1, wherein said anti-settling agent is BYK-410.
6. The high flash point odor purification coating of claim 1, wherein said wetting agent is triton x-405 or octylphenol polyether-9.
7. The high flash point odor purification coating of claim 1, wherein said siccative is Borchers Dry0411 HS.
8. The high flash point odor purification coating of claim 1, wherein said antiskinning agent is an oxime antiskinning agent.
9. The method for preparing the high-flash-point odor-removing coating of any one of claims 1 to 8, comprising the steps of:
dispersing a dispersing agent, an anti-settling agent, a wetting agent, a film forming aid and a drier in a solvent to obtain a first solution;
mixing alkyd resin and terpineol with the first solution to obtain emulsion;
and mixing the anti-skinning agent, the zinc oxide and the titanium dioxide with the emulsion to obtain the high-flash-point odorless coating.
10. Use of the high flash point odor-reducing coating of any one of claims 1 to 8 or the high flash point odor-reducing coating obtained by the preparation method of claim 9 on a metal surface.
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| CN202110671937.1A CN113402956A (en) | 2021-06-17 | 2021-06-17 | High-flash-point odor-free coating and preparation method and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114479625A (en) * | 2022-01-07 | 2022-05-13 | 湘江涂料科技有限公司 | High-flash-point alkyd resin protective finish |
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| CN104307013A (en) * | 2014-09-21 | 2015-01-28 | 青岛特瑞信电子科技有限公司 | Fragrant air deodorant |
| CN110591523A (en) * | 2019-09-23 | 2019-12-20 | 江苏冠军科技集团股份有限公司 | High-flash-point alkyd resin protective coating and preparation method and application thereof |
| CN111574915A (en) * | 2020-06-15 | 2020-08-25 | 江苏冠军科技集团股份有限公司 | Water-dispersible alkyd resin coating and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104307013A (en) * | 2014-09-21 | 2015-01-28 | 青岛特瑞信电子科技有限公司 | Fragrant air deodorant |
| CN110591523A (en) * | 2019-09-23 | 2019-12-20 | 江苏冠军科技集团股份有限公司 | High-flash-point alkyd resin protective coating and preparation method and application thereof |
| CN111574915A (en) * | 2020-06-15 | 2020-08-25 | 江苏冠军科技集团股份有限公司 | Water-dispersible alkyd resin coating and preparation method thereof |
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| CN114479625A (en) * | 2022-01-07 | 2022-05-13 | 湘江涂料科技有限公司 | High-flash-point alkyd resin protective finish |
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Application publication date: 20210917 |