KR20160119921A - Atmosphere temperature hardening ceramic coatings, method for manufacturing thereof and method for coating using thereof - Google Patents
Atmosphere temperature hardening ceramic coatings, method for manufacturing thereof and method for coating using thereof Download PDFInfo
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- KR20160119921A KR20160119921A KR1020150048525A KR20150048525A KR20160119921A KR 20160119921 A KR20160119921 A KR 20160119921A KR 1020150048525 A KR1020150048525 A KR 1020150048525A KR 20150048525 A KR20150048525 A KR 20150048525A KR 20160119921 A KR20160119921 A KR 20160119921A
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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
- C09D1/02—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates
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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
- C09D1/02—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates
- C09D1/04—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates with organic additives
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- 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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
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Abstract
Description
TECHNICAL FIELD The present invention relates to a room temperature curable ceramic coating agent, and more particularly, to a room temperature curable ceramic coating agent having improved water resistance, anticorrosion resistance, flame retardancy and flame retardancy as well as resistance to cracking, frost formation, aging resistance and oxidation resistance, And a coating method using the coating agent.
Generally, in order to prevent corrosion or breakage of the concrete structure due to moisture, it is required to coat the surface of the concrete structure. This coating treatment is generally performed by applying a polymer resin to the surface of the concrete structure.
The coating method of a conventional concrete structure surface includes a pretreatment step of removing contaminants on the surface of a structure and planarization, a step of forming a primer layer by coating a primer on the pretreated surface, a step of applying an epoxy coating agent on the primer layer . ≪ / RTI >
On the other hand, inorganic flooring materials such as various tiles or marble are generally applied to the floor of bathrooms, public baths, saunas, pools and the like in order to improve the beauty of design. These inorganic flooring materials are not only excellent in abrasion resistance, durability and discoloration resistance, but also exhibit high gloss and high smooth surface properties, and their use is remarkably increasing.
The above epoxy resin composition is widely used in various fields such as paints, adhesives, laminated plates, and electronic parts applications because of the excellent mechanical properties, corrosion resistance and adhesiveness of the resulting cured product.
However, since such an epoxy resin is mostly used as a composition diluted with an organic solvent, recently, environmental problems have been raised, and thus, there is a demand for a water-based epoxy resin.
Epoxy resin emulsions prepared by using a surfactant as a water-based epoxy resin and stirring at a high speed with a homomixer are widely known. However, this has the problem that water resistance and adhesiveness are deteriorated due to the influence of a surfactant.
On the other hand, as an aqueous epoxy resin containing no surfactant, diglycidyl ether of bisdiphenol, bisdiphenol and diglycidyl ether of polyoxyalkylene glycol are reacted, diglycidyl ether of bisdiphenol And a reaction product of bisdiphenol and a diglycidyl ether of polyoxyalkylene glycol and diisocyanate, and a reaction product obtained by reacting an epoxy resin having two or more functional groups with a polyhydric phenol, an aliphatic polyol, a bifunctional or more epoxy resin, , And condensation products of polyisocyanate, and the like.
However, all of these materials have a problem that the water resistance, anticorrosive property and stain resistance are lowered due to the fact that the primary hydroxyl groups of polyethylene glycol remain in some compositions and the crosslinking density is not increased.
In addition, the epoxy and polyurethane as described above have a problem of generating toxic gas when a fire occurs and causing harmful effects.
In order to solve the above problems, the room temperature curing type ceramic coating agent disclosed in the patent application No. 1,297,201 filed by the inventor of the present application includes 100 parts by weight of distilled water, 60 to 90 parts by weight of lithium silicate, 50 to 80 parts by weight of boric acid And 20 to 40 parts by weight of an epoxy silane; 100 parts by weight of dipropylene glycol, 75 to 85 parts by weight of ethanol, 70 to 80 parts by weight of titanate acetylacetylate, 50 to 60 parts by weight of a titanate amine chelate, 50 to 60 parts by weight of an epoxy silane, To 40 parts by weight, methyltriethoxysilane 30 to 40 parts by weight, isopropyl titanate 20 to 30 parts by weight, and distilled water 10 to 20 parts by weight; 20 to 30 parts by weight of nonylphenol, 15 to 25 parts by weight of nonylphenol, 10 to 15 parts by weight of nonylphenol, 50 to 70 parts by weight of aluminum flake and 5 to 15 parts by weight of nonylphenol, And 10 parts by weight of a third reactant.
In the above-described room temperature curable ceramic coating, the first reactant is mainly composed of lithium silicate, the second reactant is mainly composed of epoxy silane, and the third reactant is mainly composed of aluminum flake and mixed at a proper mixing ratio , Water resistance, anticorrosive property, stain resistance and flame retardancy.
However, the above-mentioned patent shows that, despite the above-mentioned operational effects, there are some problems in the construction. First, cracks can be generated depending on the state of a construction site, and there is a problem in that it can be frozen during construction in winter.
In addition, there is a problem that aging and oxidation can proceed relatively quickly after the application.
Disclosure of the Invention The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a room temperature curing type ceramic coating composition having improved water resistance, anticorrosive property, stain resistance and flame retardancy as well as resistance to cracking, A method for producing the coating agent, and a coating method using the coating agent.
To achieve the above object, a room temperature-curable ceramic coating agent according to the present invention is characterized by comprising 100 parts by weight of distilled water, 60 to 90 parts by weight of lithium silicate, 50 to 80 parts by weight of boric acid and 20 to 40 parts by weight of epoxy silane, ; 100 parts by weight of dipropylene glycol, 75 to 85 parts by weight of ethanol, 70 to 80 parts by weight of titanate acetylacetylate, 50 to 60 parts by weight of a titanate amine chelate, 50 to 60 parts by weight of an epoxy silane, To 40 parts by weight, methyltriethoxysilane 30 to 40 parts by weight, isopropyl titanate 20 to 30 parts by weight, and distilled water 10 to 20 parts by weight; 20 to 30 parts by weight of nonylphenol, 15 to 25 parts by weight of nonylphenol, 10 to 15 parts by weight of nonylphenol, 50 to 70 parts by weight of aluminum flake and 5 to 10 parts by weight of nonylphenol, A third reactant made by mixing the first reactant and the second reactant; 0.1 to 0.5 parts by weight of a thickening aid, 0.01 to 0.2 parts by weight of a pH adjusting agent, 0.1 to 1 part by weight of a crosslinking accelerator, 0.01 to 0.5 parts by weight of a plasticizer, A fourth reactant made by mixing a weight part and a flow resistant material; A fifth reactant comprising 20 to 50 parts by weight of acetic acid salt, 10 to 25 parts by weight of propylcellosolve, 5 to 20 parts by weight of potassium phosphate and 2 to 10 parts by weight of modified naphthalene condensate; 40 to 50 parts by weight of a lithium phosphoric acid based low melting point complex oxide, 10 to 20 parts by weight of an organic thickener, and 30 to 40 parts by weight of an inorganic binder; And a seventh reactant comprising at least one of a phenol derivative, an aromatic amine derivative, an amine-ketone condensate, a benzimidazole derivative, a dithiocarbamic acid derivative and a thiourea derivative. .
According to one aspect of the present invention, the first reactant: the second reactant: the third reactant is mixed at a mixing ratio of 3: 2: 1: 0.8: 0.5: 0.3: 0.1.
According to another aspect of the present invention, 100 parts by weight of distilled water is added to a reaction vessel, the mixture is adjusted to 20 to 30 ° C, 60 to 90 parts by weight of lithium silicate is added dropwise and stirred for 30 minutes, then 50 to 80 parts by weight of boric acid, Adding 20 to 40 parts by weight of the reaction mixture to the reaction mixture for 3 hours to prepare a first reaction product; 75 to 85 parts by weight of ethanol are added to 100 parts by weight of dipropylene glycol and the mixture is adjusted to 5 占 폚 or lower. Then, 70 to 80 parts by weight of titanate acetylacetylate, 50 to 60 parts by weight of titanate amine chelate, 50 to 60 parts by weight of epoxy silane 30 to 40 parts by weight of tetraethoxysilane, 30 to 40 parts by weight of methyltriethoxysilane, 20 to 30 parts by weight of isopropyl titanate and 10 to 20 parts by weight of distilled water are added and reacted for 5 to 7 hours, Producing a reactant; 20 to 30 parts by weight of nonylphenol, 15 to 25 parts by weight of nonylphenol and 10 to 15 parts by weight of nonylphenol were added to 100 parts by weight of dipropylene glycol, and the mixture was stirred for 3 hours. And 5 to 10 parts by weight of nitropropane to prepare a third reactant; After mixing 60 parts by weight of the filler with 50 parts by weight of the acrylic emulsion, 1 part by weight of a thickener, 0.3 parts by weight of a thickening aid, 0.1 part by weight of a pH adjuster, 0.5 part by weight of a crosslinking accelerator, 0.25 part by weight of a plasticizer and 0.2 part by weight of a flow- And stirring the mixture in an agitator for 3 hours to prepare a fourth reactant; To 50 parts by weight of distilled water, 35 parts by weight of acetic acid salt, 17 parts by weight of propylcellosolve, 13 parts by weight of potassium phosphate and 7 parts by weight of modified naphthalene condensate were added to a stirrer and stirred for 2 hours to prepare a fifth reactant ; 45 parts by weight of a lithium phosphoric acid-based low melting point complex oxide, 15 parts by weight of an organic thickener, and 35 parts by weight of an inorganic binder were added to a stirrer and stirred for 2 hours to prepare a sixth reactant; Mixing a phenol derivative and an aromatic amine derivative in a ratio of 1: 1 to prepare a seventh reactant; And mixing the first reactant, the second reactant, the third reactant, the fourth reactant, the fifth reactant, the sixth reactant, and the seventh reactant in a ratio of 3: 2: 1: 0.8: 0.5: 0.3: 0.1 A method for manufacturing a room temperature curable ceramic coating agent is provided.
According to another aspect of the present invention, there is provided a method for coating a room-temperature-curable ceramic coating, which comprises applying a room temperature curable ceramic coating agent to a coating object.
According to the present invention, the first reactant is a first reactant mainly composed of lithium silicate, a second reactant mainly composed of epoxy silane, a third reactant mainly composed of aluminum flake, a water-soluble acrylic composition A fifth reactant mainly composed of acetylacetonate, a sixth reactant mainly comprising a lithium phosphoric acid complex oxide, and a seventh reactant mainly comprising a phenol derivative are mixed with each other so that the water resistance, , The stain resistance and the flame retardancy are improved, and the crack resistance, the intrinsic rigidity, the acid resistance and the aging resistance are remarkably improved.
Hereinafter, a room temperature curing type ceramic coating agent according to the present invention and a method for producing the same will be described in detail.
First, the room temperature curable ceramic coating agent according to the present invention is basically composed of a first reactant mainly composed of lithium silicate, a second reactant mainly composed of epoxy silane, a third reactant mainly composed of aluminum flake, A fifth reactant containing acetylacetonate as a main component, a sixth reactant containing a lithium phosphoric acid-based complex oxide as a main component, and a seventh reactant containing a phenol derivative as a main component.
The first reactant was prepared by adding 100 parts by weight of distilled water into a reaction vessel and adjusting the temperature to 20 to 30 ° C, adding 60 to 90 parts by weight of lithium silicate, stirring the mixture for 30 minutes and then mixing 50 to 80 parts by weight of boric acid, And the mixture is reacted for 3 hours.
The second reactant is prepared by adding 75 to 85 parts by weight of ethanol to 100 parts by weight of dipropylene glycol and adjusting the temperature to 5 ° C or less. Then, 70 to 80 parts by weight of titanate acetylacetyl chelate, 50 to 60 parts by weight of titanate amine chelate 50 to 60 parts by weight of epoxy silane, 30 to 40 parts by weight of tetraethoxyisosilane, 30 to 40 parts by weight of methyltriethoxysilane, 20 to 30 parts by weight of isopropyl titanate and 10 to 20 parts by weight of distilled water to obtain 5 For 7 hours with stirring.
20 to 30 parts by weight of nonylphenol, 15 to 25 parts by weight of nonylphenol and 10 to 15 parts by weight of nonylphenol were added to 100 parts by weight of dipropylene glycol, and the mixture was stirred for 3 hours 50 to 70 parts by weight of aluminum flakes and 5 to 10 parts by weight of nitropropane.
On the other hand, if the content of lithium silicate in the first reactant is less than 60 parts by weight, the stain resistance tends to decrease. If the amount of lithium silicate is more than 90 parts by weight, an exothermic reaction occurs. If the content of the boric acid is less than 50 parts by weight, the viscosity is lowered. If the content is more than 80 parts by weight, the hardness is increased.
If the content of the titanate acetylacetate in the second reactant is less than 70 parts by weight, the adhesive strength is lowered. If the content is more than 80 parts by weight, the contact-drying time becomes longer. When the content of the titanate amine chelate is less than 50 parts by weight, the abrasion resistance is weak. When the content is more than 60 parts by weight, the flame retardancy is weakened. When the content of tetraethoxyisosilane is less than 30 parts by weight, the friction noise is increased. When the content of tetraethoxyisosilane is more than 40 parts by weight, the scratch resistance is weakened.
If other than 4 mol, 5 mol and 10 mol of nonylphenol is used in the third reactant, the aluminum flakes can not be uniformly dispersed.
In particular, according to one aspect of the present invention, it is preferable to further include a fourth reactant to prevent cracking of the coating agent after application.
The fourth reactant comprises an acrylic emulsion, a filler, a thickener, a viscosity aid, a pH adjuster, a crosslinking accelerator, a plasticizer and a flow resistant material.
Here, the acrylic emulsion is preferably a copolymer selected from one or more of hydroxyethyl acrylate, hydroxyethyl methacrylate, ethyl hexaacrylate, butyl acrylate and butyl methacrylate. The content of the acrylic emulsion is 40 to 60 parts by weight. If the content of the acrylic emulsion is less than 40 parts by weight, the adhesive strength may be lowered and the water resistance and alkali resistance may be lowered. On the other hand, when the amount of the acrylic emulsion is more than 60 parts by weight,
The filler is used in an amount of 50 to 70 parts by weight, and calcium carbonate salt, calcium carbonate salt, barium sulfate, bentonite, silica or any combination thereof may be used. If the content of the filler is less than 50 parts by weight, the curing time may be delayed. If the content of the filler exceeds 70 parts by weight, the viscosity may be increased and the workability may be lowered.
The thickener may be selected from a cellulosic ester-based material in order to increase the viscosity of the acrylic emulsion to improve flow resistance and to prevent peeling, and the content thereof is 0.1 to 2 parts by weight. If the content is less than 0.1 parts by weight, sufficient viscosity increase can not be provided. If the content is more than 2 parts by weight, workability may be lowered due to high viscosity of the crack repairing agent.
The above-mentioned thickening assistant serves to further improve the function of the thickener, and methylcellulose is preferable. Its content is 0.1 to 0.5 parts by weight. If the content is less than 0.1 parts by weight, the moisturizing effect and the lubricating property may be deteriorated. If the content is more than 0.5 parts by weight, workability may be deteriorated due to high viscosity, and the curing time may be delayed due to a delay in water evaporation rate.
The pH adjusting agent is added to 0.01 to 0.2 part by weight in order to improve the storage stability, the degree of gelatinization and the dispersing effect.
The crosslinking accelerator may be selected from a polyphosphate or glycol acetate system capable of promoting the rapid crosslinking of acrylic particles. Its content is preferably 0.1 to 1 part by weight.
As the plasticizer, polypropylene glycol is preferable, and its content is preferably 0.01 to 0.5 parts by weight. If the content is less than 0.01 part by weight, the plasticity may be deteriorated. If the content is more than 0.5 part by weight, the tensile strength may be lowered and the elongation percentage may be lowered.
Optionally, the flow-resistant material is preferably methoxypropyl acetate, and may be used in small amounts if desired. If the addition amount is too small, the flow resistance is deteriorated. If the addition amount is too large, the curing time delay and the adhesive strength may be lowered.
The fifth reactant is used to prevent freezing at the time of construction in the winter, and is composed of 20 to 50 parts by weight of aconitrate, 10 to 25 parts by weight of propylcellosolve, 5 to 20 parts by weight of potassium phosphate and 2 to 10 parts by weight of modified naphthalene condensate By weight.
The acetic acid salt enhances the initial strength of the coating agent and lowers the freezing temperature. If the content is less than 20 parts by weight, the initial hydration reaction can not be sufficiently exhibited, resulting in freezing. If the amount exceeds 50 parts by weight, the cryoprotectant for admixture becomes a supersaturated solution, and particles of acetic acid salt may remain.
The above-mentioned profile cellosolve has a lubrication property which improves workability by providing freezing property by a freezing point lowering action. If the amount is less than 10 parts by weight, sufficient immobility and lubrication characteristics can not be expected. If the amount is more than 25 parts by weight, the hydration reaction is disturbed, and curing hardening can not be sufficiently provided.
The potassium phosphate has a function of rapidly accelerating the dissolution and increasing the initial reaction heat to accelerate the curing hardening, thereby securing the initial strength. If the amount is less than 5 parts by weight, the hydrolysis rate may be lowered and the strength may be lowered and the corrosion resistance may be lowered. If the amount is more than 20 parts by weight, cracking due to shrinkage may be caused due to the rubbing performance.
Modified naphthalene condensates can prevent cracking and improve durability. If the amount is less than 2 parts by weight, the anti-cracking property may be deteriorated. If the amount is more than 10 parts by weight, the coagulation time may be delayed.
The sixth reactant is a composition for inhibiting or preventing the oxidation of the coating agent after application and prolonging the lifetime of the coating agent. The sixth reactant is composed of 40 to 50 parts by weight of a lithium phosphoric acid based low melting point complex oxide, 10 to 20 parts by weight of an organic thickener and 30 to 40 parts by weight of an inorganic binder .
Here, the lithium phosphoric acid-based low melting point complex oxide is a composite oxide containing lithium oxide and phosphorus oxide. If the amount is less than 40 parts by weight, the composition may be insufficiently melted to form a uniform coating layer and the oxidation resistance effect may be deteriorated. If the amount is more than 50 parts by weight, it is difficult to form a coating layer due to over- Can be lowered.
The organic thickener is added to improve coatability and is composed of carboxymethylcellulose (CMC) and / or methylcellulose (MC). If the amount is less than 10 parts by weight, the adhesion of the slurry may be insufficient. If the amount exceeds 20 parts by weight, volatile matter may be increased to increase the amount of air remaining, and the antioxidant effect may be deteriorated.
The inorganic binder is composed of silica sol and / or alumina sol for improving workability and hot adhesion. When the amount is less than 30 parts by weight, the workability and the hot adhesion may be deteriorated. If the amount is more than 40 parts by weight, the fluidity of the slurry may be deteriorated and the formation of the oxidation preventing film may be deteriorated.
The seventh reactant is for preventing the aging of the coating agent after application to prolong the functionality and lifespan. It is preferably one of phenol derivatives, aromatic amine derivatives, amine-ketone condensates, benzimidazole derivatives, dithiocarbamic acid derivatives and thiourea derivatives Or two or more bonds.
Hereinafter, concrete embodiments of forming a room temperature curing type ceramic coating agent according to the present invention will be described.
First, 100 parts by weight of distilled water was added to the reaction vessel, and the mixture was adjusted to 20 ° C. Then, 60 parts by weight of lithium silicate was added dropwise and stirred for 30 minutes. Then, 50 parts by weight of boric acid and 20 parts by weight of epoxy silane were added. .
Then, 75 parts by weight of ethanol was added to 100 parts by weight of dipropylene glycol, and the mixture was adjusted to 5 占 폚 or lower. Then, 70 parts by weight of titanate acetylacetylate, 50 parts by weight of titanate amine chelate, 50 parts by weight of epoxy silane, 30 parts by weight of desilane, 30 parts by weight of methyltriethoxysilane, 20 parts by weight of isopropyl titanate and 10 parts by weight of distilled water were added and reacted for 5 hours to prepare a second reaction product.
20 parts by weight of nonylphenol, 15 parts by weight of nonylphenol and 10 parts by weight of nonylphenol were added to 100 parts by weight of dipropylene glycol, and stirred for 3 hours. Then, 50 parts by weight of aluminum flake, 5 parts by weight of nitropropane Were mixed to prepare a third reactant.
After mixing 60 parts by weight of the filler with 50 parts by weight of the acrylic emulsion, 1 part by weight of a thickener, 0.3 part by weight of a thickening aid, 0.1 part by weight of a pH adjuster, 0.5 part by weight of a crosslinking accelerator, 0.25 part by weight of a plasticizer and 0.2 part by weight of a flow- And the mixture was stirred in an agitator for 3 hours to prepare a fourth reaction product.
To 50 parts by weight of distilled water, 35 parts by weight of acetic acid salt, 17 parts by weight of propylcellosolve, 13 parts by weight of potassium phosphate and 7 parts by weight of modified naphthalene condensate were added to a stirrer and stirred for 2 hours to prepare a fifth reaction product .
45 parts by weight of a lithium phosphoric acid-based low melting point complex oxide, 15 parts by weight of an organic thickener and 35 parts by weight of an inorganic binder were added to a stirrer and stirred for 2 hours to prepare a sixth reaction product.
Also, the seventh reactant was prepared by mixing the phenol derivative and the aromatic amine derivative in a ratio of 1: 1.
Finally, the first reactant prepared as described above, the second reactant, the third reactant, the fourth reactant, the fifth reactant, the sixth reactant and the seventh reactant were mixed in a ratio of 3: 2: 1: 0.8: 0.5: 0.3: 0.1 To prepare a test piece, and the physical properties thereof were measured.
100 parts by weight of distilled water was added to the reaction vessel and the mixture was adjusted to 20 캜. Then, 70 parts by weight of lithium silicate was added dropwise thereto and stirred for 30 minutes. Then, 60 parts by weight of boric acid and 30 parts by weight of epoxy silane were added and reacted for 3 hours to prepare a first reaction product .
Then, 80 parts by weight of ethanol was added to 100 parts by weight of dipropylene glycol, and the mixture was adjusted to 5 占 폚 or lower. Then, 75 parts by weight of titanate acetylacetylate, 55 parts by weight of a titanate amine chelate, 55 parts by weight of an epoxy silane, 35 parts by weight of desilane, 35 parts by weight of methyltriethoxysilane, 25 parts by weight of isopropyl titanate and 15 parts by weight of distilled water were added and reacted for 5 hours to prepare a second reaction product.
25 parts by weight of nonylphenol, 20 parts by weight of nonylphenol and 13 parts by weight of nonylphenol were added to 100 parts by weight of dipropylene glycol, followed by stirring for 3 hours. Then, 60 parts by weight of aluminum flake, 7 parts by weight of nitropropane Were mixed to prepare a third reactant.
After mixing 60 parts by weight of the filler with 50 parts by weight of the acrylic emulsion, 1 part by weight of a thickener, 0.3 part by weight of a thickening aid, 0.1 part by weight of a pH adjuster, 0.5 part by weight of a crosslinking accelerator, 0.25 part by weight of a plasticizer and 0.2 part by weight of a flow- And the mixture was stirred in an agitator for 3 hours to prepare a fourth reaction product.
To 50 parts by weight of distilled water, 35 parts by weight of acetic acid salt, 17 parts by weight of propylcellosolve, 13 parts by weight of potassium phosphate and 7 parts by weight of modified naphthalene condensate were added to a stirrer and stirred for 2 hours to prepare a fifth reaction product .
45 parts by weight of a lithium phosphoric acid-based low melting point complex oxide, 15 parts by weight of an organic thickener and 35 parts by weight of an inorganic binder were added to a stirrer and stirred for 2 hours to prepare a sixth reaction product.
Also, the seventh reactant was prepared by mixing the phenol derivative and the aromatic amine derivative in a ratio of 1: 1.
Finally, the first reactant prepared as described above, the second reactant, the third reactant, the fourth reactant, the fifth reactant, the sixth reactant and the seventh reactant were mixed in a ratio of 3: 2: 1: 0.8: 0.5: 0.3: 0.1 To prepare a test piece, and the physical properties thereof were measured.
100 parts by weight of distilled water was added to the reaction vessel to adjust the temperature to 20 ° C., 90 parts by weight of lithium silicate was added dropwise, and the mixture was stirred for 30 minutes. Then, 80 parts by weight of boric acid and 40 parts by weight of epoxy silane were added and reacted for 3 hours to prepare a first reaction product .
Then, 85 parts by weight of ethanol was added to 100 parts by weight of dipropylene glycol, and the mixture was adjusted to 5 占 폚 or lower. Then, 80 parts by weight of titanate acetyl acetylate, 60 parts by weight of titanate amine chelate, 60 parts by weight of epoxy silane, 40 parts by weight of desilane, 40 parts by weight of methyltriethoxysilane, 30 parts by weight of isopropyl titanate and 20 parts by weight of distilled water were added and reacted for 5 hours to prepare a second reaction product.
Further, 30 parts by weight of nonylphenol, 25 parts by weight of nonylphenol, and 15 parts by weight of nonylphenol were added to 100 parts by weight of dipropylene glycol, and the mixture was stirred for 3 hours. Then, 70 parts by weight of aluminum flake, 10 parts by weight of nitropropane Were mixed to prepare a third reactant.
After mixing 60 parts by weight of the filler with 50 parts by weight of the acrylic emulsion, 1 part by weight of a thickener, 0.3 part by weight of a thickening aid, 0.1 part by weight of a pH adjuster, 0.5 part by weight of a crosslinking accelerator, 0.25 part by weight of a plasticizer and 0.2 part by weight of a flow- And the mixture was stirred in an agitator for 3 hours to prepare a fourth reaction product.
To 50 parts by weight of distilled water, 35 parts by weight of acetic acid salt, 17 parts by weight of propylcellosolve, 13 parts by weight of potassium phosphate and 7 parts by weight of modified naphthalene condensate were added to a stirrer and stirred for 2 hours to prepare a fifth reaction product .
45 parts by weight of a lithium phosphoric acid-based low melting point complex oxide, 15 parts by weight of an organic thickener and 35 parts by weight of an inorganic binder were added to a stirrer and stirred for 2 hours to prepare a sixth reaction product.
Also, the seventh reactant was prepared by mixing the phenol derivative and the aromatic amine derivative in a ratio of 1: 1.
Finally, the first reactant prepared as described above, the second reactant, the third reactant, the fourth reactant, the fifth reactant, the sixth reactant and the seventh reactant were mixed in a ratio of 3: 2: 1: 0.8: 0.5: 0.3: 0.1 To prepare a test piece, and the physical properties thereof were measured.
Meanwhile, in order to evaluate the performance of the room temperature curable ceramic coating agent of each of the examples, the specimens were prepared and then the physical properties of the specimens were compared with those of prototype A and prototype B. The results are shown in Table 1 below.
As shown in Table 1, the room temperature curing type ceramic coating agent according to the present invention exhibited remarkably excellent physical properties such as water resistance, anticorrosive property and chemical resistance, compared to the prototypes.
Particularly crack resistance, creep resistance, oxidation resistance, and aging resistance.
Claims (4)
100 parts by weight of dipropylene glycol, 75 to 85 parts by weight of ethanol, 70 to 80 parts by weight of titanate acetylacetylate, 50 to 60 parts by weight of a titanate amine chelate, 50 to 60 parts by weight of an epoxy silane, To 40 parts by weight, methyltriethoxysilane 30 to 40 parts by weight, isopropyl titanate 20 to 30 parts by weight, and distilled water 10 to 20 parts by weight;
20 to 30 parts by weight of nonylphenol, 15 to 25 parts by weight of nonylphenol, 10 to 15 parts by weight of nonylphenol, 50 to 70 parts by weight of aluminum flake and 5 to 10 parts by weight of nonylphenol, A third reactant made by mixing the first reactant and the second reactant;
0.1 to 0.5 parts by weight of a thickening aid, 0.01 to 0.2 parts by weight of a pH adjusting agent, 0.1 to 1 part by weight of a crosslinking accelerator, 0.01 to 0.5 parts by weight of a plasticizer, A fourth reactant made by mixing a weight part and a flow resistant material;
A fifth reactant comprising 20 to 50 parts by weight of acetic acid salt, 10 to 25 parts by weight of propylcellosolve, 5 to 20 parts by weight of potassium phosphate and 2 to 10 parts by weight of modified naphthalene condensate;
40 to 50 parts by weight of a lithium phosphoric acid based low melting point complex oxide, 10 to 20 parts by weight of an organic thickener, and 30 to 40 parts by weight of an inorganic binder; And
A seventh reactant comprising at least one of a phenol derivative, an aromatic amine derivative, an amine-ketone condensate, a benzimidazole derivative, a dithiocarbamic acid derivative, and a thiourea derivative.
75 to 85 parts by weight of ethanol are added to 100 parts by weight of dipropylene glycol and the mixture is adjusted to 5 占 폚 or lower. Then, 70 to 80 parts by weight of titanate acetylacetylate, 50 to 60 parts by weight of titanate amine chelate, 50 to 60 parts by weight of epoxy silane 30 to 40 parts by weight of tetraethoxysilane, 30 to 40 parts by weight of methyltriethoxysilane, 20 to 30 parts by weight of isopropyl titanate and 10 to 20 parts by weight of distilled water are added and reacted for 5 to 7 hours, Producing a reactant;
20 to 30 parts by weight of nonylphenol, 15 to 25 parts by weight of nonylphenol and 10 to 15 parts by weight of nonylphenol were added to 100 parts by weight of dipropylene glycol, and the mixture was stirred for 3 hours. And 5 to 10 parts by weight of nitropropane to prepare a third reactant;
After mixing 60 parts by weight of the filler with 50 parts by weight of the acrylic emulsion, 1 part by weight of a thickener, 0.3 parts by weight of a thickening aid, 0.1 part by weight of a pH adjuster, 0.5 part by weight of a crosslinking accelerator, 0.25 part by weight of a plasticizer and 0.2 part by weight of a flow- And stirring the mixture in an agitator for 3 hours to prepare a fourth reactant;
To 50 parts by weight of distilled water, 35 parts by weight of acetic acid salt, 17 parts by weight of propylcellosolve, 13 parts by weight of potassium phosphate and 7 parts by weight of modified naphthalene condensate were added to a stirrer and stirred for 2 hours to prepare a fifth reactant ;
45 parts by weight of a lithium phosphoric acid-based low melting point complex oxide, 15 parts by weight of an organic thickener, and 35 parts by weight of an inorganic binder were added to a stirrer and stirred for 2 hours to prepare a sixth reactant;
Mixing a phenol derivative and an aromatic amine derivative in a ratio of 1: 1 to prepare a seventh reactant; And
Mixing the first reactant: the second reactant: the third reactant: the fourth reactant: the fifth reactant: the sixth reactant: the seventh reactant in a ratio of 3: 2: 1: 0.8: 0.5: 0.3: 0.1 Lt; RTI ID = 0.0 > cure < / RTI >
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