CN112745766A - Outdoor floor bi-component water-based asphalt anticorrosive paint and preparation method thereof - Google Patents
Outdoor floor bi-component water-based asphalt anticorrosive paint and preparation method thereof Download PDFInfo
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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
- C09D195/00—Coating compositions based on bituminous materials, e.g. asphalt, tar, pitch
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—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
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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Abstract
The application relates to the technical field of water-based asphalt coatings, and particularly discloses a two-component water-based asphalt anticorrosive coating for outdoor floors and a preparation method thereof. The outdoor floor bi-component water-based asphalt anticorrosive paint is prepared from a component A and a component B, wherein the component A comprises the following raw materials in parts by weight: 45-55 parts of modified emulsified asphalt, 1-2 parts of composite anti-aging complexing agent, 0.1-0.2 part of flash rust inhibitor, 0.1-0.2 part of base material wetting agent, 2-3 parts of film forming additive and 15-20 parts of modified epoxy resin, wherein the component B comprises 10-20 parts of composite filler, 0.1-0.2 part of dispersing agent, 0.5-0.8 part of defoaming agent, 0.1-0.2 part of anti-settling agent, 3-7 parts of curing agent and 2-3 parts of imidazole. The product of the present application can be used for outdoor flooring, which has the advantage of improving the weatherability of water-based paints.
Description
Technical Field
The application relates to the technical field of water-based asphalt coatings, in particular to a two-component water-based asphalt anticorrosive coating for outdoor floors and a preparation method thereof.
Background
Outdoor floor is the floor that is used for outdoor places such as park, vacation village, and outdoor floor adopts wooden material mostly, sets up in outdoor floor because external factors such as its place climatic environment and driving load, and the requirement is higher to outdoor floor corrosion resistance, for the cost that reduces outdoor floor maintenance and maintenance, adopts the mode of coating to carry out the prevention maintenance to outdoor floor usually.
With the increasing awareness of environmental protection, the demand of environmental-friendly water-based paints is increasing, and the water-based paints are paints using water as a solvent or as a dispersion medium, and include paints using water-soluble resins as film-forming materials, such as epoxy resin paints.
In view of the above-mentioned related technologies, the inventors believe that epoxy resin paint as a water paint has excellent adhesion and water resistance, but epoxy resin paint loses gloss and chalking after long-term exposure to sunlight, so that the outdoor weather resistance is poor, and the market of epoxy resin paint is limited to a certain extent.
Disclosure of Invention
In order to improve the weather resistance of the water-based paint, the application provides a two-component water-based asphalt anticorrosive paint for outdoor floors and a preparation method thereof.
In a first aspect, the application provides a two-component water-based asphalt anticorrosive paint for outdoor floors, which adopts the following technical scheme:
the outdoor floor bi-component water-based asphalt anticorrosive paint is processed by a component A and a component B, wherein the component A comprises the following raw materials in parts by weight: 45-55 parts of modified emulsified asphalt, 1-2 parts of composite anti-aging complexing agent, 0.1-0.2 part of flash rust inhibitor, 0.1-0.2 part of base material wetting agent, 2-3 parts of film forming additive and 15-20 parts of modified epoxy resin, wherein the component B comprises 10-20 parts of composite filler, 0.1-0.2 part of dispersing agent, 0.5-0.8 part of defoaming agent, 0.1-0.2 part of anti-settling agent, 3-7 parts of curing agent and 2-3 parts of imidazole.
By adopting the technical scheme, the component A and the component B are adopted for preparing the coating, and the possibility of reducing the stability of the coating after the coating is stored for a long time can be reduced due to the arrangement of the two-component coating, so that the coating can be stored for a long time and the performance of the coating cannot be reduced; according to the application, the modified emulsified asphalt is modified by the modified epoxy resin, so that the mechanical strength and the corrosion resistance of the application are improved; the composite anti-aging complexing agent can be used for improving the anti-aging performance of the composite anti-aging complexing agent, and the imidazole and the curing agent are compounded, so that the mechanical properties of the curing agent in the component B and the modified epoxy resin cross-linked structure of the component A can be comprehensively improved when the component A and the component B are mixed for use, and the weather resistance, the corrosion resistance, the ultraviolet resistance and the weather resistance of the composite anti-aging complexing agent are comprehensively improved.
Preferably, the modified emulsified asphalt is prepared from the following raw materials in parts by weight: 50-55 parts of composite asphalt, 1-5 parts of betaine type emulsifier and 1-5 parts of modified zinc oxide, wherein the composite asphalt comprises 70# asphalt and 90# asphalt, and the modified zinc oxide is prepared by processing the following raw materials: butyl titanate, zinc oxide, choline chloride and glycerol, wherein the mass ratio of the choline chloride to the glycerol is (1.5-2.5): 1.
by adopting the technical scheme, the penetration degrees of the 70# asphalt and the 90# asphalt are different, so that the two kinds of asphalt can be suitable for different environments, for example, the 70# asphalt can be suitable for the environment with higher temperature, the 90# asphalt can be suitable for the environment with lower temperature, and the weather resistance of the application can be comprehensively improved by compounding the 70# asphalt and the 90# asphalt; the betaine emulsifier has good solubility with resin, and is an amphoteric surfactant suitable for different pH values; the zinc oxide has excellent ultraviolet absorption capacity, can absorb ultraviolet rays in the wave band of 350-370nm, and the zinc oxide is modified by choline chloride, glycerol and butyl titanate, so that the reacted nano titanium dioxide is coated on the outer wall of the zinc oxide to form a modified zinc oxide sphere, the nano titanium dioxide has excellent ultraviolet absorption capacity, the nano titanium dioxide mainly absorbs the ultraviolet rays in the wave band of 300-350nm, the modified zinc oxide sphere not only has excellent fluidity and can improve the fluidity of the application, but also can absorb the ultraviolet rays in the wave band of 300-370nm, and further improves the light aging resistance effect of the application.
Preferably, the modified emulsified asphalt is prepared by the following steps:
step one, mixing choline chloride and glycerol according to a ratio, stirring for 1-3 hours at a temperature of 80-90 ℃, adding zinc oxide, and stirring for 0.5-1 hour at a temperature of 20-30 ℃ to obtain a mixed solution A;
step two, stirring the mixed solution A, the ionized water and the butyl titanate for 0.5 to 1 hour at the temperature of between 20 and 30 ℃, centrifugally drying, and calcining for 2 to 3 hours at the temperature of 430 ℃ to obtain a solid A;
and step three, adding the betaine emulsifier into water at the temperature of 20-40 ℃ for uniformly stirring, then continuing to stir the solid A, uniformly mixing at the rotation speed of 500-700r/min to obtain the anti-aging complexing agent, and adding the preheated composite asphalt into the anti-aging complexing agent for stirring to obtain the modified emulsified asphalt.
By adopting the technical scheme, a space network structure with good fluidity is formed by intermolecular force after the choline chloride and the glycerol react, the interaction force between the choline chloride and the glycerol can be improved by the reaction at 80-90 ℃, the mixed liquid A and the butyl titanate are mixed to form a nano titanium dioxide outer shell with uniform texture on the outer wall of the zinc oxide, the betaine emulsifier and the solid A are mixed and stirred and then put into the anti-aging complexing agent, so that the solid A can be fully stirred and can be more uniformly distributed in the modified emulsified asphalt, and the ultraviolet resistance and the anti-aging performance of the modified emulsified asphalt are comprehensively improved.
Preferably, the composite anti-aging agent is prepared from the following raw materials: benzotriazole ultraviolet absorber, phenolic antioxidant, hindered amine light stabilizer and phosphite antioxidant, wherein the mass ratio of the phenolic antioxidant to the phosphite antioxidant is 8: (8-11).
By adopting the technical scheme, the hindered amine light stabilizer and the benzotriazole ultraviolet absorbent have good compatibility with resin and excellent ageing resistance, and the hindered amine light stabilizer, the phenol antioxidant and the benzotriazole ultraviolet absorbent have good synergistic effect after being compounded, so that the heat-resistant and light-aging-resistant effects of the composition can be comprehensively improved; after the phenolic antioxidant and the phosphite antioxidant are compounded, the synergistic effect is good, and the antioxidant effect of the phenolic antioxidant can be further improved; and the mass ratio of the phenolic antioxidant to the phosphite antioxidant is 8: (8-11), the antioxidant effect of the phenolic antioxidant is the most excellent.
Preferably, the composite filler comprises one or more of zinc phosphate, talc, iron oxide, and mica powder.
By adopting the technical scheme, the zinc phosphate is a corrosion-retarding filler, and the salt spray resistance of the paint can be improved; the iron oxide has excellent ultraviolet absorption performance; the talcum powder is a flaky filling material and can improve the adhesive capacity of the coating when used in the coating; sericite is a filling material with a layered structure, and has good barrier property so as to improve the acid resistance of the coating; the four fillers are compounded, so that the composite filler has excellent acid resistance, ultraviolet absorption performance and salt spray resistance.
Preferably, the modified epoxy resin is prepared from the following raw materials in parts by weight: 100 parts of bisphenol A epoxy resin, 1-5 parts of fiber composite material and 1-5 parts of modified glass beads, wherein the modified glass beads are processed from the following raw materials in parts by weight: the coating comprises the following components in parts by mass, hollow glass beads, a silane coupling agent, absolute ethyl alcohol, deionized water, 20-30 parts of butyl titanate and glacial acetic acid, wherein the mass ratio of the deionized water to the hollow glass beads to the butyl titanate is (0.5-1.5): (1-3): (1-3).
By adopting the technical scheme, the butyl titanate is used as a titanium source, and the nano titanium dioxide formed by the reaction of the butyl titanate can be coated on the outer wall of the hollow glass microsphere, so that the modified glass microsphere is endowed with excellent uvioresistant performance; the butyl titanate is modified by the silane coupling agent, and the agglomeration among nano titanium dioxide particles formed by the butyl titanate can be reduced after the butyl titanate and the silane coupling agent react, so that the nano titanium dioxide can be more uniformly formed on the outer wall of the hollow glass bead to form a nano titanium dioxide outer shell with uniform texture in the application; the modified glass beads are mixed with the emulsified asphalt after being compounded with the bisphenol A epoxy resin, so that the pores and the defects among the emulsified asphalt can be filled, and the glass transition temperature of the emulsified asphalt can be reduced, thereby improving the fluidity and the ultraviolet resistance of the emulsified asphalt.
Preferably, the composite fiber material comprises one or more of high silica glass fiber, ultra-high molecular weight polyethylene fiber and boron nitride fiber.
By adopting the technical scheme, the high silica glass fiber has excellent corrosion resistance and high temperature resistance, and the ultrahigh molecular weight polyethylene fiber has excellent toughness and impact strength; the boron nitride fiber has different stability in the environment of different chemical reagents, has excellent chemical corrosion resistance and can prevent infrared rays, so that the high silica glass fiber, the ultra-high molecular weight polyethylene fiber and the boron nitride fiber are combined in military training, the impact strength, the corrosion resistance and the high temperature resistance of the epoxy resin can be comprehensively improved, and in addition, the flowability of the modified epoxy resin can be improved by adding the composite fiber material, so that the sagging resistance of the epoxy resin is improved.
Preferably, in the first step, the absolute ethyl alcohol is divided into ethyl alcohol A and ethyl alcohol B, wherein the mass ratio of the ethyl alcohol A to the ethyl alcohol B is 1:2, and the ethyl alcohol A and the deionized water are mixed and stirred to form a uniform mixed solution B; controlling the pH value to be 3-4, mixing and stirring ethanol B, butyl titanate, glacial acetic acid and a silane coupling agent at 55-65 ℃ for 1h to obtain a mixed solution C; dropwise adding the mixed solution B into the mixed solution C at a constant speed, adjusting the pH value to 3-4, mixing and stirring for 1-2 hours to obtain a mixed solution D, adding glass beads into the mixed solution D, mixing and stirring for 1-2 hours, standing and aging for 10-14 hours, drying at the temperature of 90-110 ℃, and calcining at the temperature of 560-590 ℃ for 2-4 hours to obtain beads A;
and secondly, drying the bisphenol A epoxy resin in vacuum for 1-1.5 hours, weighing the microbead A and the bisphenol A epoxy resin according to the mass ratio of 1 (18-20), and mixing and stirring the fiber composite material, the microbead A and the bisphenol A epoxy resin for 0.5-1 hour to obtain the modified epoxy resin.
By adopting the technical scheme, the microsphere A and the bisphenol A epoxy resin are compounded, so that the toughness and the mechanical strength of the bisphenol A epoxy resin are improved, and when the mass ratio of the microsphere A to the bisphenol A epoxy resin is controlled to be 1 (18-20), the bonding property and the mechanical property of the modified epoxy resin prepared by the method are optimal.
In a second aspect, the application provides a preparation method of a dual-component water-based asphalt anticorrosive paint for outdoor floors, which adopts the following technical scheme:
the preparation method of the outdoor floor bi-component water-based asphalt anticorrosive paint is characterized by comprising the following steps of: (1) preparation of component A: mixing and stirring the composite anti-aging complexing agent, the anti-flash rust agent, the base material wetting agent and the film-forming auxiliary agent at the rotating speed of 500-; (2) preparation of component B: the dispersant, the defoamer and the anti-settling agent are mixed and stirred at a low speed of 400 revolutions per minute at a rotation speed of 200-.
In summary, the present application has the following beneficial effects:
1. the coating is prepared by adopting the component A and the component B, and the possibility of reducing the stability of the coating after the coating is stored for a long time can be reduced by the arrangement of the two-component coating, so that the coating can be stored for a long time and the performance of the coating cannot be reduced; modified epoxy resin is grafted on modified emulsified asphalt, so that the mechanical strength and the corrosion resistance of the modified emulsified asphalt are improved, and the composite anti-aging complexing agent is added to improve the anti-aging performance of the modified emulsified asphalt, so that the modified emulsified asphalt has the characteristics of excellent stability, mechanical strength, corrosion resistance, ultraviolet resistance and weather resistance.
2. After the hindered amine light stabilizer, the benzotriazole ultraviolet absorber and the phosphite antioxidant are compounded, the heat-resistant, ultraviolet-resistant and aging-resistant effects of the coating can be comprehensively improved.
3. According to the preparation method of the outdoor floor bi-component water-based asphalt anticorrosive paint, the uniformity of mixing of the components is improved by mixing, stirring and sieving step by step, so that the product is favorably compounded, and the mechanical property and the weather resistance of the product prepared by the method are comprehensively improved.
Detailed Description
The present application will be described in further detail with reference to examples.
The invention uses the raw materials used in table 1.
TABLE 1 raw materials used in the present invention
Preparing a composite filler:
according to the weight ratio of zinc phosphate: iron oxide: talc powder: weighing zinc phosphate, iron oxide, talcum powder and mica powder, adding the zinc phosphate, the iron oxide, the talcum powder and the mica powder into a high-shear emulsifying machine (commercially available, high-shear emulsifying machine, Yuxiang light industry mechanical equipment Co., Ltd.), shearing and dispersing for 10 minutes at 300r/min, filtering the obtained material through a 300-mesh screen to obtain the filler with the particle size of less than 50 micrometers.
(II) preparing an anti-aging complexing agent:
adding 20 parts of benzotriazole ultraviolet absorber, 16 parts of phenol antioxidant, 20 parts of hindered amine light stabilizer and 16 parts of phosphite antioxidant into a high shear emulsifying machine (commercially available, high shear emulsifying machine, Yuxiang light industry mechanical equipment Co., Ltd.), wherein the mass ratio of the phenol antioxidant to the phosphite antioxidant is 1:1, and the anti-aging complexing agent is obtained by controlling the rotating speed at 300r/min for shearing and dispersing for 10 minutes.
(III) preparation of modified emulsified asphalt:
step 1, according to the following steps: 1, mixing choline chloride and glycerol according to a mass ratio, controlling the temperature to be 80-90 ℃, stirring for 1-3 hours, adding zinc oxide, and stirring for 45 minutes at 20-30 ℃ to obtain a mixed solution A, wherein the concentration of the zinc oxide in the mixed solution A is 0.07%;
step 2, stirring 100 parts of mixed solution A, 10 parts of ionized water and 20 parts of butyl titanate for 45 minutes at the controlled temperature of 25 ℃ in an internal high shear emulsifying machine (commercially available, centrifugal high shear emulsifying machine, Liangshantai Runji mechanical equipment Co., Ltd.), dehydrating in a centrifugal machine (commercially available, flat plate type centrifugal machine with the order number tr-6958 in Yuhang light industry mechanical equipment Co., Ltd.), and calcining in a drying box (commercially available, 450 ℃ high temperature oven, type WL861-1 high temperature oven product of Suzhou Weiluo automatic oven technology Co., Ltd.) at the controlled temperature of 430 ℃ for 2.3 hours to obtain solid A;
and 3, controlling the temperature to be 30 ℃, stirring the betaine type emulsifier and water in an emulsifying machine (commercially available, centrifugal high-shear emulsifying machine, beam Shantai Rui mechanical equipment Co., Ltd.) for 30 minutes, then adding the solid A for stirring, and putting the composite asphalt (wherein the mass ratio of the 70# asphalt to the 90# asphalt is 1:1) into the emulsifying machine at the rotation speed of 500 plus materials at 700r/min for stirring for 30 minutes to obtain the modified emulsified asphalt.
(IV) preparation of modified epoxy resin:
step 1, dividing 30 parts of absolute ethyl alcohol into ethyl alcohol A and ethyl alcohol B, wherein the mass ratio of the ethyl alcohol A to the ethyl alcohol B is 1:2, and mixing and stirring the ethyl alcohol A and 5 parts of deionized water in an emulsifying machine (commercially available, centrifugal high-shear emulsifying machine, Liangshantai Runji, Ltd.) for 20 minutes to obtain a mixed solution B; controlling the pH value to be 3-4, mixing and stirring ethanol B, 10 parts of butyl titanate, 3 parts of glacial acetic acid and 1 part of silane coupling agent in an emulsifying machine at the temperature of 62 ℃ for 1 hour to obtain a mixed solution C; dropwise adding the mixed solution B into the mixed solution C at a constant speed, adjusting the pH to 3.5, mixing and stirring for 1.5 hours to obtain a mixed solution D, and adding glass beads into the mixed solution D, wherein the deionized water: butyl titanate: mixing and stirring the hollow glass beads 1:2:2 for 1.5 hours, standing and aging for 13 hours, drying at the temperature of 105 ℃, and calcining for 3 hours at the temperature of 585 ℃ to obtain beads A;
and 2, drying the bisphenol A epoxy resin in a high-temperature vacuum oven (commercially available, high-temperature vacuum oven, Nanjing Toulong mechanical science and technology Co., Ltd.) for 1-1.5 hours in vacuum, weighing the microsphere A and the bisphenol A epoxy resin according to the mass ratio of 1:19, mixing and stirring 3 parts of fiber composite material (wherein the mass ratio of the high-silica glass fiber, the ultrahigh molecular weight polyethylene fiber and the boron nitride fiber is 1:1:1), the microsphere A and the bisphenol A epoxy resin in a (commercially available, centrifugal high-shear emulsifying machine, Liangshantai mechanical equipment Co., Ltd.) for 0.5-1 hour to obtain the modified epoxy resin.
Example 1
The outdoor floor bi-component water-based asphalt anticorrosive paint is prepared from the raw materials and the dosage shown in the table 1. The processing operation specifically comprises the following steps:
(1) preparation of component A: mixing and stirring 1.5 parts of composite anti-aging complexing agent, 0.1 part of anti-flash rust agent, 0.1 part of base material wetting agent and 2 parts of film-forming additive in a high-shear emulsifying machine (high-shear emulsifying machine, Yuhang light industry mechanical equipment Co., Ltd.) at the rotation speed of 500-;
(2) preparation of component B: 0.1 portion of dispersant, 0.5 portion of defoamer and 0.1 portion of anti-settling agent are mixed and stirred at a rotation speed of 200-.
(3) According to the component A: the mass ratio of the component B is 1:1 the two were mixed in a colloid mill (commercially available, adjustable high shear colloid mill, shanghai synseperata fluid mixing apparatus ltd.) for 10 minutes before use.
Examples 2 to 4
The raw material amounts of the two-component water-based asphalt anticorrosive coatings for outdoor floors of examples 2 to 4 and the anti-aging composite agent of example 1 are different, and are shown in table 2, and the contents of the other components are the same as those of the components of example 1.
TABLE 2 example 2-4 Mass ratios of the components of the anti-aging composite
Example 5
The two-component water-based asphalt anticorrosive paint for the outdoor floor in example 5 is different from the choline chloride and the glycerol in example 1 in mass ratio, and the choline chloride and the glycerol in example 5 are in mass ratio of 1.5: 1.
example 6
The two-component water-based asphalt anticorrosive paint for outdoor floors in example 6 is different from the choline chloride and the glycerin in example 1 in mass ratio, and the choline chloride and the glycerin in example 6 in mass ratio is 2.5: 1.
example 7
The mass ratio of the outdoor floor two-component water-based asphalt anticorrosive paint in example 7 to the deionized water, the hollow glass beads and the butyl titanate used in the preparation of the beads A in example 1 is 1:2: 3, the content of the other components is the same as that of each component in the example 1.
Example 8
Compared with the modified epoxy resin prepared in example 1, the outdoor floor two-component water-based asphalt anticorrosive paint prepared in example 8 has the mass ratio of the microbead A to the bisphenol A epoxy resin of 1:18, and the contents of the rest components are the same as those of the components in example 1.
Example 9
Compared with the modified epoxy resin prepared in example 1, the outdoor floor two-component water-based asphalt anticorrosive paint prepared in example 9 has the mass ratio of the microbead A to the bisphenol A epoxy resin of 1:20, and the content of the rest components is the same as that of the components in example 1.
Comparative examples 1 to 2
The outdoor floor water-based asphalt anticorrosive coatings of comparative examples 1-2 are different from the anti-aging composite in example 1 in terms of the components, and are shown in table 3, and the content of the rest components is the same as that in example 1.
TABLE 3 COMPARATIVE EXAMPLES 1-2 ANTI-AGENT COMPONENTS USING AND COMPARATIVE RATION
Comparative example 3
The outdoor floor two-component water-based asphalt anticorrosive paint of the comparative example 3 is different from the outdoor floor two-component water-based asphalt anticorrosive paint of the example 1 in composition of the anti-aging complexing agent, and the anti-aging complexing agent in the comparative example 3 only comprises the benzotriazole ultraviolet absorbent with the same mass part as that in the example 1.
Comparative example 4
The outdoor floor two-component water-based asphalt anticorrosive paint of the comparative example 4 is different from the outdoor floor two-component water-based asphalt anticorrosive paint of the example 1 in composition of the anti-aging complexing agent, and the anti-aging complexing agent in the comparative example 4 only comprises the phenol antioxidant with the same mass part as that in the example 1.
Comparative example 5
The outdoor floor two-component water-based asphalt anticorrosive paint of the comparative example 5 is different from the outdoor floor two-component water-based asphalt anticorrosive paint of the example 1 in composition of the anti-aging complexing agent, and the anti-aging complexing agent in the comparative example 5 only comprises the phosphite antioxidant which is consistent with the phosphite antioxidant in the example 1 in parts by mass.
Comparative example 6
The outdoor floor two-component water-based asphalt anticorrosive paint of the comparative example 6 is different from the outdoor floor two-component water-based asphalt anticorrosive paint of the example 1 in composition of the anti-aging complexing agent, and the anti-aging complexing agent in the comparative example 6 only comprises the amine-retardant light stabilizer which is consistent with the mass part in the example 1.
Comparative example 7
The outdoor floor two-component water-based asphalt anticorrosive paint of the comparative example 7 is different from the outdoor floor two-component water-based asphalt anticorrosive paint of the example 1 in the composition of the anti-aging complexing agent, and the anti-aging complexing agent is not used in the comparative example 7.
Comparative example 8
The outdoor floor two-component water-based asphalt anticorrosive paint of comparative example 8 is different from the outdoor floor two-component water-based asphalt anticorrosive paint of example 1 in composition of the composite filler, and the composite filler of comparative example 8 includes only zinc phosphate.
Comparative example 9
The outdoor floor two-component water-based asphalt anticorrosive paint of comparative example 9 is different from the outdoor floor two-component water-based asphalt anticorrosive paint of example 1 in composition of the composite filler, and the composite filler of comparative example 9 includes only iron oxide.
Comparative example 10
The outdoor floor two-component water-based asphalt anticorrosive paint of the comparative example 10 is different from the outdoor floor two-component water-based asphalt anticorrosive paint of the example 1 in composition of the composite filler, and the composite filler in the comparative example 10 only comprises talcum powder.
Comparative example 11
The outdoor floor two-component water-based asphalt anticorrosive paint of comparative example 11 is different from the outdoor floor two-component water-based asphalt anticorrosive paint of example 1 in composition of the composite filler, and the composite filler of comparative example 11 includes only mica powder.
Comparative example 12
The outdoor floor two-component water-based asphalt anticorrosive paint of comparative example 12 is different from the outdoor floor two-component water-based asphalt anticorrosive paint of example 1 in the composition of the composite filler, and the composite filler is not practically used in comparative example 12.
Comparative example 13
The outdoor floor two-component water-based asphalt anticorrosive paint of comparative example 13 is different from the composition of the composite asphalt in the outdoor floor two-component water-based asphalt anticorrosive paint of example 1 in that the composite asphalt of comparative example 13 includes only No. 70 asphalt.
Comparative example 14
The outdoor floor two-component water-based asphalt anticorrosive paint of comparative example 14 is different from the composition of the composite asphalt in the outdoor floor two-component water-based asphalt anticorrosive paint of example 1 in that the composite asphalt of comparative example 14 includes only 90# asphalt.
Comparative example 15
The outdoor floor two-component water-based asphalt anticorrosive paint of comparative example 15 is different from the composition of the composite fiber material in the outdoor floor two-component water-based asphalt anticorrosive paint of example 1 in that the composite fiber material of comparative example 15 includes only high silica glass fiber.
Comparative example 16
The outdoor floor two-component water-based asphalt anticorrosive paint of comparative example 16 is different from the composition of the composite fiber material in the outdoor floor two-component water-based asphalt anticorrosive paint of example 1 in that the composite fiber material of comparative example 16 includes only ultra-high molecular weight polyethylene fibers.
Comparative example 17
The outdoor floor two-component water-based asphalt anticorrosive paint of comparative example 17 is different from the composition of the composite fiber material in the outdoor floor two-component water-based asphalt anticorrosive paint of example 1 in that the composite fiber material of comparative example 17 includes only boron nitride fibers.
Comparative example 18
The outdoor floor two-component water-based asphalt anticorrosive paint of comparative example 18 is different from the outdoor floor two-component water-based asphalt anticorrosive paint of example 1 in the composition of the composite fiber material, and the composite fiber material is not used in comparative example 18.
Comparative example 19
The outdoor floor two-component water-based asphalt anticorrosive paint of the comparative example 19 is different from the choline chloride and the glycerol in the example 1 in the mass ratio, and the choline chloride and the glycerol in the comparative example 19 are 1: 1.
comparative example 20
The outdoor floor two-component water-based asphalt anticorrosive paint of the comparative example 20 is different from the choline chloride and the glycerin of the example 1 in the mass ratio, and the choline chloride and the glycerin of the comparative example 20 in the mass ratio of 3: 1.
comparative example 21
The outdoor floor two-component water-based asphalt anticorrosive paint of comparative example 21 is different from that of example 1 in that the modified glass beads are replaced by equal parts by mass of hollow glass beads in comparative example 21.
Comparative example 22
The outdoor floor two-component water-based asphalt anticorrosive coating of comparative example 22 is different from example 1 in that the modified glass beads are not used in comparative example 22.
Comparative example 23
The two-component water-based asphalt anticorrosive coating for outdoor floors of comparative example 23 is different from example 1 in that comparative example 23 does not use a silane coupling agent in preparing the microbeads a.
Comparative example 24
The outdoor floor two-component water-based asphalt anticorrosive coating of comparative example 24 is different from example 1 in that the modified zinc oxide is replaced by zinc oxide of equal mass part in comparative example 24.
Comparative example 25
The outdoor floor two-component water-based asphalt anticorrosive coating of comparative example 25 is different from example 1 in that modified zinc oxide is not used in comparative example 25.
Performance test
The outdoor floor two-component water-based asphalt anticorrosive coatings prepared in examples 1 to 9 and comparative examples 1 to 25 were respectively extracted, three test boards were prepared from three different parts of the sprayed outdoor floor in each example for performance testing of the surface coating, each test board was subjected to performance testing 3 times, 3 test data of each item of each test board was averaged, and the specific results are shown in table 4.
(1) And (3) weather resistance test: carrying out artificial climate accelerated aging test for 1000 hours by using GB/T1865-2009 xenon arc radiation for artificial climate aging and artificial radiation exposure filtration of colored paint and varnish;
(2) salt water resistance: the test is carried out by GB/T1771-2007, and a 3000-hour test is carried out by 5% NaCl;
(3) resistance to 10% H2SO4Solution: the determination is carried out by GB/T9274-1988;
(4) the impact strength is determined by GB/T1732-1993;
(5) coating adhesion: the adhesive force of the paint layer is tested by adopting a test method of GB/T9286-1998, the adhesive force is gradually reduced from 0-3 level, and the adhesive force does not reach the standard from 4-5 level;
TABLE 4 test results for surface coatings of examples 1-9, comparative examples 1-25, blank control and negative control
It can be seen from the combination of examples 1 to 4, comparative examples 1 to 7, and table 4 that the aging resistance of the present application can be improved by compounding the benzotriazole-based ultraviolet absorber, the phenolic antioxidant, the phosphite antioxidant, and the hindered amine light stabilizer, and the aging resistance of the present application is the best when the mass ratio of the phenolic antioxidant to the phosphite antioxidant is 1: 1.
Combining examples 1, 5-6, comparative examples 19-20 and combining table 4, it can be seen that the mass ratio of choline chloride to glycerol was 2: 1, the anti-aging performance of the coating is optimal.
Combining example 1 and example 7, and combining table 4, it can be seen that the mass ratio of the deionized water, the hollow glass beads, and the butyl titanate is 1:2:2, the anti-aging performance of the coating is optimal.
By combining the examples 1, 8-9 and 21-23 and combining the table 4, it can be seen that the anti-aging performance of the epoxy resin coating can be comprehensively improved by compounding the microbeads A with the bisphenol A epoxy resin; and the mass ratio of the microbeads A to the bisphenol A epoxy resin is 1:19, so that the anti-aging performance of the coating is optimal.
Combining example 1, comparative examples 8-12, and table 4, it can be seen that compounding iron oxide, zinc phosphate, talc, and mica powder can improve the impact strength, neutral salt resistance, and acid resistance of the present application.
Combining example 1, comparative examples 13-14, and table 4, it can be seen that the combination of asphalt 70 and asphalt 90 can improve the anti-aging performance of the present application.
Combining example 1, comparative examples 15-18, and table 4, it can be seen that the impact strength and the adhesion ability of the coating can be improved by compounding the high silica glass fiber, the ultra-high molecular weight polyethylene fiber, and the boron nitride fiber.
It can be seen from the combination of example 1, comparative examples 24-25, and table 4 that the use of modified zinc oxide improves the aging resistance of the present application.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (9)
1. The outdoor floor bi-component water-based asphalt anticorrosive paint is characterized by being prepared from a component A and a component B, wherein the component A comprises the following raw materials in parts by weight: 45-55 parts of modified emulsified asphalt, 1-2 parts of composite anti-aging complexing agent, 0.1-0.2 part of flash rust inhibitor, 0.1-0.2 part of base material wetting agent, 2-3 parts of film forming additive and 15-20 parts of modified epoxy resin, wherein the component B comprises 10-20 parts of composite filler, 0.1-0.2 part of dispersing agent, 0.5-0.8 part of defoaming agent, 0.1-0.2 part of anti-settling agent, 3-7 parts of curing agent and 2-3 parts of imidazole.
2. The two-component water-based asphalt anticorrosive coating for outdoor floors as claimed in claim 1, wherein: the modified emulsified asphalt is prepared from the following raw materials in parts by weight: 50-55 parts of composite asphalt, 1-5 parts of betaine type emulsifier and 1-5 parts of modified zinc oxide, wherein the composite asphalt comprises 70# asphalt and 90# asphalt, and the modified zinc oxide is prepared by processing the following raw materials: butyl titanate, zinc oxide, choline chloride and glycerol, wherein the mass ratio of the choline chloride to the glycerol is (1.5-2.5): 1.
3. the two-component water-based asphalt anticorrosive coating for outdoor floors as claimed in claim 2, wherein: the modified emulsified asphalt is prepared by the following steps:
step one, mixing choline chloride and glycerol according to a ratio, stirring for 2 hours at a temperature of 85 ℃, adding zinc oxide, and stirring for 45 minutes at a temperature of 25 ℃ to obtain a mixed solution A;
step two, stirring the mixed solution A, the ionized water and the butyl titanate for 0.5 to 1 hour at the temperature of between 20 and 30 ℃, centrifugally drying, and calcining for 2 to 3 hours at the temperature of 430 ℃ to obtain a solid A;
and step three, adding the betaine emulsifier into water at the temperature of 20-40 ℃ for uniformly stirring, then continuing to stir the solid A, uniformly mixing at the rotation speed of 500-700r/min to obtain the anti-aging complexing agent, and adding the preheated composite asphalt into the anti-aging complexing agent for stirring to obtain the modified emulsified asphalt.
4. The two-component water-based asphalt anticorrosive coating for outdoor floors as claimed in claim 1, wherein: the composite anti-aging agent is prepared from the following raw materials: benzotriazole ultraviolet absorber, phenolic antioxidant, hindered amine light stabilizer and phosphite antioxidant, wherein the mass ratio of the phenolic antioxidant to the phosphite antioxidant is 8: (8-11).
5. The two-component water-based asphalt anticorrosive coating for outdoor floors as claimed in claim 1, wherein: the composite filler comprises one or more of zinc phosphate, talcum powder, iron oxide and mica powder.
6. The two-component water-based asphalt anticorrosive coating for outdoor floors as claimed in claim 1, wherein the modified epoxy resin is prepared from the following raw materials in parts by weight: 100 parts of bisphenol A epoxy resin, 1-5 parts of fiber composite material and 1-5 parts of modified glass beads, wherein the modified glass beads are processed from the following raw materials in parts by weight: the coating comprises the following components in parts by mass, hollow glass beads, a silane coupling agent, absolute ethyl alcohol, deionized water, 20-30 parts of butyl titanate and glacial acetic acid, wherein the mass ratio of the deionized water to the hollow glass beads to the butyl titanate is (0.5-1.5): (1-3): (1-3).
7. The outdoor floor two-component water-based asphalt anticorrosive coating of claim 6, wherein the composite fiber material comprises one or more of high silica glass fiber, ultra-high molecular weight polyethylene fiber, and boron nitride fiber.
8. The two-component waterborne asphalt anticorrosive coating for outdoor floors according to claim 6, wherein the modified epoxy resin is prepared by the following steps:
step one, dividing absolute ethyl alcohol into ethyl alcohol A and ethyl alcohol B, wherein the mass ratio of the ethyl alcohol A to the ethyl alcohol B is 1:2, and mixing and stirring the ethyl alcohol A and deionized water to obtain a uniform mixed solution B; controlling the pH to be 3-4, mixing and stirring ethanol B, butyl titanate, glacial acetic acid and a silane coupling agent at the temperature of 55-65 ℃ for 1h to obtain a mixed solution C; dropwise adding the mixed solution B into the mixed solution C at a constant speed, adjusting the pH value to 3-4, mixing and stirring for 1-2 hours to obtain a mixed solution D, adding glass beads into the mixed solution D, mixing and stirring for 1-2 hours, standing and aging for 10-14 hours, drying at the temperature of 90-110 ℃, and calcining at the temperature of 560-590 ℃ for 2-4 hours to obtain beads A;
and secondly, drying the bisphenol A epoxy resin in vacuum for 1-1.5 hours, weighing the microbead A and the bisphenol A epoxy resin according to the mass ratio of 1 (18-20), and mixing and stirring the fiber composite material, the microbead A and the bisphenol A epoxy resin for 0.5-1 hour to obtain the modified epoxy resin.
9. The preparation method of the two-component water-based asphalt anti-corrosion coating for the outdoor floor as claimed in any one of claims 1 to 8, which is characterized by comprising the following steps:
(1) preparation of component A: mixing and stirring the composite anti-aging complexing agent, the anti-flash rust agent, the base material wetting agent and the film-forming auxiliary agent at the rotating speed of 500-;
(2) preparation of component B: the dispersant, the defoamer and the anti-settling agent are mixed and stirred at a low speed of 400 revolutions per minute at a rotation speed of 200-.
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| CN112745766B (en) | 2022-04-01 |
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Effective date of registration: 20221201 Address after: No. 12, Huting Road, Circular Economy Park, Huizhou District, Huangshan City, Anhui Province 245061 Patentee after: Anhui Xinmiao New Material Technology Co.,Ltd. Address before: Room 201-202, building 2, No. 228, Yongxu Road, Daqiao Town, Nanhu District, Jiaxing City, Zhejiang Province Patentee before: ZHEJIANG XINMIAO CHEMICAL CO.,LTD. |