CN114686104A - Water-emulsion type waterproof coating aerosol paint and preparation method thereof - Google Patents
Water-emulsion type waterproof coating aerosol 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
- 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
- C09D7/65—Additives macromolecular
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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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention provides water-emulsion type waterproof coating aerosol paint and a preparation method thereof. The waterproof coating is prepared from the following raw materials in parts by weight: 23-35 parts of modified asphalt mixture, 18-25 parts of water, 0.1-1.5 parts of surfactant, 0.1-1.5 parts of sodium dihydrogen phosphate, 0.1-1 part of wetting dispersion mixture, 1-4 parts of protective adhesive, 9-15 parts of pigment and filler, 2-4 parts of anti-settling thixotropic agent, 0.1-1 part of film-forming assistant, 0.1-1 part of antifoaming agent and 30-35 parts of propellant. Through the technical scheme of the invention, the invention has the following beneficial effects: the atomization effect is good, and the construction operation is flexible and convenient; is environment-friendly; the emulsion system has good stability; the coating film has outdoor weather resistance and water impermeability.
Description
Technical Field
The invention relates to an aerosol paint technology, in particular to a water-emulsion waterproof paint aerosol paint and a preparation method thereof.
Background
At present, most of waterproof coatings in the market are mainly packaged in a barrel, the caliber is large, the contact area of the coatings and air is increased, if the waterproof coatings cannot be used up at one time, the rest coatings are easy to pollute, the corresponding performance effect is reduced, the barrel type waterproof coatings are not friendly to users with small using amount, the using amount of the aerosol paint type coatings can be effectively controlled, the coatings can be stored in a sealing manner, and the quality effect of the rest coatings can be kept. The spraying mode of coating on the market needs to use special construction equipment, and equipment volume is great, and is higher to constructor's spraying technical requirement, and the spraying area is great, easily causes the pollution to the environment when great to the loss of coating, and the coating of aerosol paint can convenient use, can reduce the spraying area, and atomization effect is good, effectively reduces the loss of coating.
At present, the modified asphalt waterproof coating mainly comprises two types, one type is a solvent type, the solvent type usually uses toluene, xylene, esters and other solutions as solvents, has certain toxicity and large VOC content, is not very friendly to environmental health, the other type is a water emulsion type, the water emulsion type waterproof coating uses water as a wetting dispersion mixture, the VOC content is low, the volatile amount of organic compounds can be reduced, the modified asphalt waterproof coating is environment-friendly, has the characteristic of environmental protection and safety, has lower requirements on the surface of a base layer, does not need surface drying, and can be constructed in a humid environment.
The water-emulsion asphalt has excellent environmental protection performance, but the preparation is difficult, and the emulsion breaking phenomenon often appears in the stirring process, so that the product can not maintain the emulsion state, the layering phenomenon is caused, the film coating effect is not good, the mutual contact among rubber particles can be hindered by the addition of the protective colloid, the emulsion breaking phenomenon caused by mutual collision is reduced, and the stability of the emulsified asphalt is effectively improved. When the asphalt is used as a base material alone, after the asphalt is dried during construction, the solid of the asphalt can keep the characteristics of high-temperature flowing and low-temperature brittleness of the original asphalt, so that the asphalt is not suitable for being used as a waterproof raw material, and the modified asphalt can stabilize the fluidity of the asphalt and improve the outdoor weather resistance of a coating film.
In combination with the above problems and the advantages that can be improved, the invention provides a water-emulsion type waterproof coating aerosol paint and a preparation method thereof.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the water-emulsion waterproof paint aerosol paint has the advantages of sprayable output, water-based environment-friendly property, good storage stability, good emulsion state, good water impermeability and good outdoor weather resistance, and the preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme that the composite material comprises the following raw materials in parts by weight:
raw materials in parts by mass
23-35 parts of modified asphalt mixture
18 to 25% of water
0.1 to 1.5% of a surfactant
Sodium dihydrogen phosphate 0.1 to 1.5
0.1 to 1 part of a wetting dispersion mixture
Protective adhesive 1-4
9-15 of pigment and filler
Anti-settling thixotropic agent 2-4
0.1-1% of film forming assistant
0.1 to 1 part of an antifoaming agent
30-35% of propellant
The modified asphalt mixture is a mixture of petroleum asphalt and a modifier = 18-26: 5-9, wherein the petroleum asphalt is at least one of 90# road petroleum asphalt, 70# road petroleum asphalt and 10# road petroleum asphalt, and the modifier is at least one of acrylonitrile-styrene-butadiene copolymer, cationic neoprene latex, styrene-butadiene latex, anhydride modified high-density polyethylene, ethylene-vinyl acetate copolymer and siloxane resin;
the surfactant is at least one of AMOA-12, SM-LLL, TX-9 and DOWFAX 2A 1;
the wet dispersion mixture is at least one of NUOSPERSE FN 211, YCK-2730 and AFCONA-4530;
the protective glue is at least one of hydroxymethyl cellulose, polyvinyl alcohol, gum arabic and polyethylene oxide;
the pigment filler is a mixture of pigment and filler = 1-5: 8-10, wherein the pigment is at least one of carbon black, titanium dioxide and organic pigment of Toghai chemical Limited, and the filler is at least one of heavy calcium carbonate, mica powder, talcum powder and silica powder;
the anti-settling thixotropic agent is at least one of bentonite, polyurethane thickening agent, hydroxyethyl cellulose and organic modified hectorite clay;
the film-forming assistant is at least one of LEVELOL 495, RTC-300 and AFCONA-3035;
the anti-foaming agent is at least one of AFCONA 2524, DAPRO AP 7015 and YCK-810;
the propellant is HFA-227: HFA-134 a: nitrogen = 0-30: 0-29: 0-4;
a preparation method of water-emulsion type waterproof coating aerosol paint is characterized by comprising the following steps:
taking the components according to the mass parts, heating and mixing the petroleum asphalt and the modified substance, and uniformly stirring to obtain a modified asphalt mixture; uniformly mixing water and a surfactant, adding sodium dihydrogen phosphate to maintain the pH value between 6 and 7.5, adding the modified asphalt mixture for emulsification after the surfactant is dissolved, adding a wetting dispersion mixture, a protective adhesive, a pigment filler, an anti-settling thixotropic agent, a film-forming assistant and an anti-foaming agent for uniform dispersion, adjusting the viscosity to be within a proper range, filtering a waterproof material liquid in an aerosol can, putting a stirrer and a valve, sealing, filling a propellant, and beating a press head to obtain the water-emulsion waterproof paint aerosol paint.
Compared with the existing similar products in the market, the water-emulsion type waterproof coating aerosol paint has the following beneficial effects:
1. the aerosol packaging has good atomization effect, good storage stability and flexible and convenient construction and operation.
2. The water-based system is environment-friendly.
3. The modifier physically improves the outdoor weather resistance and the water impermeability of the coating film through a long chain structure.
Detailed Description
The present invention is illustrated by the following examples, which are not intended to limit the scope of the invention, and modifications to the detailed description of the invention or equivalent substitutions for parts of the technical features may be made without departing from the spirit of the invention.
Example 1
The preparation comprises the following components in parts by mass:
raw materials in parts by mass
Modified asphalt mixture 30
Water 19
Surfactant 0.5
Sodium dihydrogen phosphate 0.3
Wetting the Dispersion mixture 0.2
Protective adhesive 2
Pigment and filler 10.7
Anti-settling thixotropic agent 3.9
Film Forming aid 0.2
Antifoam 0.2
Propellant 33
Heating and mixing the components according to the mass parts, wherein the petroleum asphalt is 7 parts of No. 90 road petroleum asphalt, 13 parts of No. 70 road petroleum asphalt and 5 parts of No. 10 road petroleum asphalt; 3 parts of cationic neoprene latex and 2 parts of acrylonitrile-styrene-butadiene copolymer are mixed as a modifier, and the mixture is uniformly stirred to obtain a modified asphalt mixture;
uniformly mixing water and a surfactant, wherein the surfactant is AMOA-120.5 parts, adding sodium dihydrogen phosphate to maintain the pH value at about 6, adding a modified asphalt mixture after the surfactant is dissolved, increasing the stirring speed, and emulsifying;
after full emulsification, adding a wetting dispersion mixture, a protective adhesive, a pigment filler, an anti-settling thixotropic agent, a film-forming aid and an antifoaming agent, and uniformly dispersing, wherein the wetting dispersion mixture is NUOSPERSE FN 2110.2 parts; the protective gum is prepared by mixing 1.2 parts of hydroxymethyl cellulose and 0.8 part of Arabic gum; the pigment and the filler are mixed by pigment and filler = 1.3: 9.4, wherein the pigment is 1.3 parts of carbon black, and the filler is mixed by 5.2 parts of heavy calcium carbonate, 3.1 parts of talcum powder and 1.1 parts of mica powder; 3.9 parts of hydroxyethyl cellulose is used as the anti-settling thixotropic agent; the film-forming assistant is LEVELOL 4950.2 parts; the antifoaming agent is AFCONA 25240.2 parts;
adjusting the viscosity to be within a proper range, filtering the waterproof material liquid in an aerosol can, putting a stirrer and a valve, sealing, filling a propellant, mixing the propellant with HFA-227: nitrogen = 30: 3, and beating the head to obtain the water-emulsion type waterproof coating aerosol paint.
Example 2
The preparation comprises the following components in parts by mass:
raw materials in parts by mass
Modified asphalt mixture 28
Water 21
Surfactant 0.5
Sodium dihydrogen phosphate 0.4
Wetting the Dispersion mixture 0.3
Protective adhesive 2.6
Pigment and filler 12
Anti-settling thixotropic agent 2.6
Film Forming aid 0.4
Antifoam 0.2
Propellant 32
Heating and mixing the petroleum asphalt and the modified product =22 and 6 according to the mass parts, wherein the petroleum asphalt is formed by mixing 12 parts of 90# road petroleum asphalt and 10 parts of 10# road petroleum asphalt; the modified substance is prepared by mixing 2 parts of styrene-butadiene latex, 1 part of anhydride modified high-density polyethylene and 3 parts of ethylene-vinyl acetate copolymer, and uniformly stirring to obtain a modified asphalt mixture;
uniformly mixing water and a surfactant, wherein the surfactant is SM-LLL 0.3 parts and AMOA-120.2 parts, adding sodium dihydrogen phosphate to maintain the pH value at about 6, adding a modified asphalt mixture after the surfactant is dissolved, increasing the stirring speed, and emulsifying;
after full emulsification, adding a wetting dispersion mixture, a protective adhesive, a pigment filler, an anti-settling thixotropic agent, a film forming aid and an antifoaming agent, and uniformly dispersing, wherein the wetting dispersion mixture is prepared by mixing YCK-27300.1 parts and NUOSPERSE FN 2110.2 parts; the protective glue is prepared by mixing 1 part of polyvinyl alcohol and 1.6 parts of Arabic gum; the pigment filler is a mixture of 4 parts of titanium dioxide, 5 parts of heavy calcium carbonate, 1.9 parts of talcum powder and 1.1 parts of mica powder; 1.8 parts of bentonite and 0.8 part of hydroxyethyl cellulose are mixed to prepare the anti-settling thixotropic agent; RTC-3000.4 parts of film-forming aid; the antifoaming agent is prepared by mixing DAPROAP 70150.1 parts and AFCONA 25240.1 parts;
adjusting the viscosity to be within a proper range, filtering the waterproof material liquid in an aerosol can, putting a stirrer and a valve into the aerosol can, sealing the aerosol can, filling a propellant which is HFA-134 a/nitrogen = 29/3, mixing, and beating the head to obtain the water-emulsion type waterproof coating aerosol paint.
Example 3
The preparation method comprises the following steps of:
raw materials in parts by mass
Modified asphalt mixture 26
Water 21
Surfactant 0.4
Sodium dihydrogen phosphate 0.4
Wetting the Dispersion mixture 0.3
Protective adhesive 2.6
12.5 of pigment and filler
Anti-settling thixotropic agent 3.3
Film Forming aid 0.2
Antifoam 0.3
Propellant 33
Taking the components according to the mass parts, and heating and mixing the petroleum asphalt and the modified product =21 and 5, wherein the petroleum asphalt is 21 parts of the 70# road petroleum asphalt; the modified substance is prepared by mixing 1 part of styrene-butadiene latex, 3 parts of siloxane resin and 1 part of ethylene-vinyl acetate copolymer, and uniformly stirring to obtain a modified asphalt mixture;
uniformly mixing water and a surfactant, wherein the surfactant is TX-90.2 parts and SM-LLL 0.2 parts, adding sodium dihydrogen phosphate to maintain the pH value at about 6, adding a modified asphalt mixture after the surfactant is dissolved, increasing the stirring speed, and emulsifying;
after full emulsification, adding a wetting dispersion mixture, a protective adhesive, a pigment filler, an anti-settling thixotropic agent, a film-forming aid and an antifoaming agent, and uniformly dispersing, wherein the wetting dispersion mixture is prepared by mixing AFCONA-45300.1 parts and YCK-27300.2 parts; the protective gum is prepared by mixing 1.3 parts of Arabic gum and 1.3 parts of polyethylene oxide; the pigment and the filler are mixed by pigment and filler = 4: 8.5, wherein the pigment is 11564 parts of organic pigment from Toshiba chemical Co., Ltd, and the filler is mixed by 5 parts of heavy calcium carbonate, 2.5 parts of talcum powder and 1 part of silica powder; the anti-settling thixotropic agent is a mixture of 2 parts of bentonite and 1.3 parts of polyurethane thickener; mixing the film-forming assistant AFCONA-30350.1 and LEVELOL 4950.1; mixing YCK-8100.2 parts and DAPROAP 70150.1 parts as an antifoaming agent;
adjusting the viscosity to be within a proper range, filtering the waterproof material liquid in an aerosol can, putting a stirrer and a valve into the aerosol can, sealing the aerosol can, filling a propellant which is HFA-227: HFA-134 a: nitrogen = 22: 10: 1, mixing, and beating the head to obtain the water-emulsion waterproof coating aerosol paint.
Example 4
The preparation comprises the following components in parts by mass:
raw materials in parts by mass
Modified asphalt mixture 24
Water 21
Surfactant 0.6
Sodium dihydrogen phosphate 0.4
Wetting the Dispersion mixture 0.3
Protective adhesive 3.3
Pigment and filler 13
Anti-settling thixotropic agent 2.6
Film Forming aid 0.5
Antifoam 0.3
Propellant 34
Heating and mixing the components according to the mass parts, wherein the petroleum asphalt is 18 parts of No. 70 road petroleum asphalt, and the modified substance = 18: 6; the modified material is 2 parts of acrylonitrile-styrene-butadiene copolymer, 1 part of anhydride modified high-density polyethylene and 3 parts of cationic neoprene latex which are mixed and evenly stirred to obtain a modified asphalt mixture;
uniformly mixing water and a surfactant, wherein the surfactant is 10.6 parts of DOWFAX 2A, adding sodium dihydrogen phosphate to maintain the pH value at about 6, adding a modified asphalt mixture after the surfactant is dissolved, increasing the stirring speed, and emulsifying;
after full emulsification, adding a wetting dispersion mixture, a protective adhesive, a pigment filler, an anti-settling thixotropic agent, a film-forming aid and an antifoaming agent, and uniformly dispersing, wherein the wetting dispersion mixture is prepared by mixing AFCONA-45300.2 parts and NUOSPERSE FN 2110.1 parts; the protective gum is prepared by mixing 2 parts of Arabic gum and 1.3 parts of hydroxymethyl cellulose; the pigment and the filler are mixed by pigment and filler = 4.4: 8.6, wherein the pigment is 31654.4 parts of organic pigment from east China sea chemical Co., Ltd, and the filler is mixed by 5 parts of triple superphosphate, 2.5 parts of talcum powder and 1.1 part of silica powder; the anti-settling thixotropic agent is a mixture of 0.8 part of organic modified hectorite clay and 1.8 parts of hydroxyethyl cellulose; mixing the film forming assistant AFCONA-30350.2 weight portions and RTC-3000.3 weight portions; mixing YCK-8100.1 parts, DAPROAP 70150.1 parts and AFCONA 25240.1 parts as an antifoaming agent;
adjusting the viscosity to be within a proper range, filtering the waterproof material liquid in an aerosol can, putting a stirrer and a valve into the aerosol can, sealing the aerosol can, filling a propellant which is HFA-227: HFA-134 a: nitrogen = 19: 12: 3, mixing, and beating the head to obtain the water-emulsion waterproof coating aerosol paint.
Comparative example 1
Adopts the barreled water-based waterproof paint on the market.
Examples 1-4 are comparative examples with commercial water-based water-proof coating for drums.
Comparative example 2
The oily waterproof coating on the market is canned to obtain the oily waterproof coating aerosol paint on the market.
Examples 1 to 4 were used as comparative examples with commercially available oily water-repellent coating aerosol paints.
Comparative example 3
The water-based waterproof paint on the market is canned to obtain the water-based waterproof paint aerosol paint on the market.
Examples 1 to 4 and commercial water-based waterproof coating aerosol paint as comparative examples
The water-emulsion waterproof paint aerosol paint prepared by the invention and the waterproof paint in the comparative example are detected, and the detection results are shown in table 1:
1. workability
The embodiment of comparative example 1 was carried out in the region of 1 m.times.1 m of the same flat wall, and the barreled water-based waterproof material on the market was
The water paint is brushed according to the 6-1 brush coating method of GB/T1727 & 1992 general paint film preparation method, and the examples 1-4 are sprayed according to the 6-2 spray coating method of GB/T1727 & 1992 general paint film preparation method, the coating is coated with the thickness of 2mm, the completion time is recorded, and the coating surface effect is observed.
2. Environment-friendly type
Odor: the oily waterproof coating on the market is canned under the canning conditions of 80 parts of filling rate, DME serving as a propellant and 2 material-gas ratio to obtain the oily waterproof coating aerosol paint on the market. The aerosol paint and the paint in the examples 1 to 4 are sprayed on the paperboard according to the 6-2 spraying method of GB/T1727-1992 paint film general preparation method, and before the coating film is not dried, the paper board is gently fanned by hands to smell.
VOC content: the method is carried out by referring to the specification of technical requirements of HJ 2537-2014 environmental mark products;
3. effect of spray coating
The waterborne waterproof coating aerosol paint in the embodiments 1-4 and the market is sprayed on a paperboard according to the 6-2 spraying method of GB/T1727 and 1992 paint film general preparation method, and the spraying state, the spraying board effect and the material liquid state after the can is opened are observed.
4. Storage stability
The test was carried out according to GB 6756.3-86 test method for the storage stability of coatings
5. Water impermeability test
The test is carried out according to GB/T16777 & lt 2008 & gt test method for building waterproof paint
6. Outdoor weatherability
The tests were carried out according to GB/T1767-1979 (1989) determination of the weatherability of the paint film
TABLE 1 test results
The data in table 1 show that the water emulsion type waterproof coating aerosol paint prepared by the invention has the advantages of convenient construction, environmental protection, good storage stability, good emulsion state, good waterproof effect, good outdoor weather resistance and the like, and is obviously superior to comparative products. Therefore, the method has wide application prospect.
Claims (10)
1. The water-emulsion type waterproof coating aerosol paint and the preparation method thereof are characterized by comprising the following components in parts by mass:
23-35 parts of modified asphalt mixture, 18-25 parts of water, 0.1-1.5 parts of surfactant, 0.1-1.5 parts of sodium dihydrogen phosphate, 0.1-1 part of wetting dispersion mixture, 1-4 parts of protective adhesive, 9-15 parts of pigment and filler, 2-4 parts of anti-settling thixotropic agent, 0.1-1 part of film-forming assistant, 0.1-1 part of antifoaming agent and 30-35 parts of propellant.
2. The water-emulsion type waterproof coating aerosol paint according to claim 1, characterized in that:
the modified asphalt mixture is a mixture of petroleum asphalt and a modifier = 18-26: 5-9, wherein the petroleum asphalt is at least one of 90# road petroleum asphalt, 70# road petroleum asphalt and 10# road petroleum asphalt, and the modifier is at least one of acrylonitrile-styrene-butadiene copolymer, cationic neoprene latex, styrene-butadiene latex, anhydride modified high-density polyethylene, ethylene-vinyl acetate copolymer and siloxane resin.
3. The water-emulsion type waterproof coating aerosol paint according to claim 1, characterized in that:
the surfactant is at least one of AMOA-12, SM-LLL, TX-9 and DOWFAX 2A 1.
4. The water-emulsion type waterproof coating aerosol paint according to claim 1, characterized in that:
the wet dispersion mixture is at least one of NUOSPERSE FN 211, YCK-2730, and AFCONA-4530.
5. The water-emulsion type waterproof coating aerosol paint according to claim 1, characterized in that:
the protective glue is at least one of hydroxymethyl cellulose, polyvinyl alcohol, gum arabic and polyethylene oxide.
6. The water-emulsion type waterproof coating aerosol paint according to claim 1, characterized in that:
the pigment filler is a mixture of pigment and filler = 1-5: 8-10, wherein the pigment is at least one of carbon black, titanium dioxide and organic pigment of the east China sea chemical limited company, and the filler is at least one of coarse whiting, mica powder, talcum powder and silica powder.
7. The water-emulsion type waterproof coating aerosol paint according to claim 1, characterized in that:
the anti-settling thixotropic agent is at least one of bentonite, polyurethane thickener, hydroxyethyl cellulose and organic modified hectorite clay.
8. The water-emulsion type waterproof coating aerosol paint according to claim 1, characterized in that:
the film forming assistant is at least one of LEVELOL 495, RTC-300 and AFCONA-3035.
9. The water-emulsion type waterproof coating aerosol paint according to claim 1, characterized in that:
the propellant is HFA-227: HFA-134 a: nitrogen = 0-30: 0-29: 0-4.
10. The preparation method of the water-emulsion waterproof coating aerosol paint according to claim 1, characterized in that: the method comprises the following steps:
taking the components according to the mass parts, heating and mixing the petroleum asphalt and the modified substance, and uniformly stirring to obtain a modified asphalt mixture; uniformly mixing water and a surfactant, adding sodium dihydrogen phosphate to maintain the pH value between 6 and 7.5, adding the modified asphalt mixture for emulsification after the surfactant is dissolved, adding a wetting dispersion mixture, a protective adhesive, a pigment filler, an anti-settling thixotropic agent, a film-forming assistant and an anti-foaming agent for uniform dispersion, adjusting the viscosity to be within a proper range, filtering a waterproof material liquid in an aerosol can, putting a stirrer and a valve, sealing, filling a propellant, and beating a press head to obtain the water-emulsion waterproof paint aerosol paint.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115368797A (en) * | 2022-09-21 | 2022-11-22 | 万罐科技(上海)有限公司 | Binary waterproof self-spraying tank and preparation method thereof |
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