CN116144267A - Spray-coating water-based non-cured rubber asphalt waterproof paint and preparation method thereof - Google Patents
Spray-coating water-based non-cured rubber asphalt waterproof paint and preparation method thereof Download PDFInfo
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- CN116144267A CN116144267A CN202310236596.4A CN202310236596A CN116144267A CN 116144267 A CN116144267 A CN 116144267A CN 202310236596 A CN202310236596 A CN 202310236596A CN 116144267 A CN116144267 A CN 116144267A
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- 239000005060 rubber Substances 0.000 title claims abstract description 22
- 238000005507 spraying Methods 0.000 title claims abstract description 13
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- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical class OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
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- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 3
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- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 3
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- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 229920005862 polyol Polymers 0.000 claims description 3
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 3
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 3
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 3
- 239000000770 propane-1,2-diol alginate Substances 0.000 claims description 3
- 235000010409 propane-1,2-diol alginate Nutrition 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 235000010413 sodium alginate Nutrition 0.000 claims description 3
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- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 3
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 3
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 3
- 229940080313 sodium starch Drugs 0.000 claims description 3
- 229920001909 styrene-acrylic polymer Polymers 0.000 claims description 3
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 3
- 239000011387 rubberized asphalt concrete Substances 0.000 claims 7
- 238000004078 waterproofing Methods 0.000 claims 7
- 229910017053 inorganic salt Inorganic materials 0.000 abstract description 4
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
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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
- C09D195/005—Aqueous compositions, e.g. emulsions
-
- 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
-
- 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
-
- 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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a spray-coating water-based non-cured rubber asphalt waterproof coating, which comprises, by mass, 60-80 parts of emulsified asphalt, 10-20 parts of high-performance elastoplastic high polymer, 10-20 parts of high-activity liquid tackifying resin, 5-10 parts of functional polymer and 2-6 parts of auxiliary agent; the high-performance elastoplastic high polymer is a modifier and comprises at least one of glass fiber, carbon fiber, styrene butadiene block copolymer, styrene butadiene rubber, thermoplastic resin polyethylene, ethylene-vinyl acetate copolymer and waste rubber powder; the invention selects halogen inorganic salt, water-soluble high polymer and nonionic surfactant as stabilizer, which not only can improve the activity of the emulsifier, but also can improve the storage stability of asphalt, and the emulsified asphalt is more elastic, the asphalt is not easy to crack, and the service life of the asphalt is further prolonged by the configuration of the modifier high-performance elastoplastic high polymer and the functional polymer.
Description
Technical Field
The invention relates to the technical field of waterproof coatings, in particular to a spray-coating water-based non-cured rubber asphalt waterproof coating and a preparation method thereof.
Background
The waterproof paint is a paint in which a coating film formed by the paint can prevent rainwater or groundwater from leaking. The waterproof paint can be classified into: emulsion, solvent, reactive, and modified asphalt. The waterproof film formed by curing the waterproof coating has certain extensibility, elastoplasticity, crack resistance, impermeability and weather resistance, and can play roles of waterproof, impermeable and protective.
Through searching, the patent with the application number of 202110603003.4 discloses a colored water-based non-cured rubber asphalt waterproof coating and a preparation method thereof, wherein the waterproof coating consists of a component A and a component B; wherein, the component A comprises 60 to 80 weight parts of special anionic color modified emulsified asphalt; the component B consists of 5-15% of coagulant; the preparation method comprises the following steps: 60-80 parts by weight of special anionic color modified emulsified asphalt, 10-30 parts by weight of anionic latex, 0.2-1 part by weight of defoamer, 0.5-2 parts by weight of stabilizer and 1-3 parts by weight of antioxidant are stirred in a stirring kettle for 0.5-1 hour to obtain a component A; preparing a coagulant into a solution with the mass concentration of 5-15% to obtain a component B; the mass ratio of the component A to the component B is 10: and 1, spraying and mixing by a spray gun to obtain the colored water-based non-cured rubber asphalt waterproof coating. The waterproof coating obtained by the method has ageing resistance, long service life, good creep property and color property, and meets various aesthetic requirements as the waterproof coating.
The waterproof paint prepared by the scheme is poor in stability, is unfavorable for storage of emulsified asphalt, and has the advantages that functional polymers and modifiers are not added, so that the elasticity of the emulsified asphalt is reduced, and the asphalt is easy to crack, and therefore, the waterproof paint for spraying the water-based non-cured rubber asphalt and the preparation method thereof are needed.
Disclosure of Invention
The invention aims to provide a spray-coating water-based non-cured rubber asphalt waterproof coating and a preparation method thereof, wherein halogen inorganic salt, water-soluble high polymer and nonionic surfactant are selected as stabilizers, so that the activity of an emulsifier can be improved, the storage stability of asphalt can be improved, and the emulsified asphalt is more elastic, the asphalt is not easy to crack, and the service life of the asphalt is further prolonged, so that the problems in the background art are solved.
In order to achieve the above purpose, the present invention provides the following technical solutions: the spray water-based non-cured rubber asphalt waterproof coating comprises, by mass, 60-80 parts of emulsified asphalt, 10-20 parts of high-performance elastoplastic high polymer, 10-20 parts of high-activity liquid tackifying resin, 5-10 parts of functional polymer and 2-6 parts of auxiliary agent; the emulsified asphalt comprises 40-55 parts of asphalt, 20-30 parts of water, 0.5-1 part of emulsifier and 2-4 parts of stabilizer, wherein the high-performance elastoplastic high polymer is a modifier and comprises at least one of glass fiber, carbon fiber, styrene butadiene block copolymer, styrene butadiene rubber, thermoplastic resin polyethylene, ethylene-vinyl acetate copolymer and waste rubber powder; the high-activity liquid tackifying resin comprises 2-4 parts of C5 hydrogenated petroleum resin, 4-8 parts of C9 hydrogenated petroleum resin, 1-3 parts of coumarone resin, 2-4 parts of terpene resin and 3-5 parts of p-tert-butylphenol formaldehyde resin; the functional polymer comprises any one or the combination of two of elastic acrylic ester emulsion and elastic styrene-acrylic emulsion.
Preferably, the asphalt comprises 60 parts of emulsified asphalt, 10 parts of high-performance elastoplastic high polymer, 10 parts of high-activity liquid tackifying resin, 5 parts of functional polymer and 2 parts of auxiliary agent in parts by mass; the emulsified asphalt comprises 40 parts of asphalt, 20 parts of water, 0.5 part of emulsifier and 2 parts of stabilizer; the high-activity liquid tackifying resin comprises 2 parts of C5 hydrogenated petroleum resin, 4 parts of C9 hydrogenated petroleum resin, 1 coumarone resin, 2 terpene resin and 3-tert-butylphenol formaldehyde resin.
Preferably, the asphalt comprises, by mass, 70 parts of emulsified asphalt, 15 parts of high-performance elastoplastic high polymer, 15 parts of high-activity liquid tackifying resin, 8 parts of functional polymer and 4 parts of auxiliary agent; the emulsified asphalt comprises 48 parts of asphalt, 25 parts of water, 0.8 part of emulsifier and 3 parts of stabilizer; the high-activity liquid tackifying resin comprises 3 parts of C5 hydrogenated petroleum resin, 6 parts of C9 hydrogenated petroleum resin, 2 coumarone resin, 3 terpene resin and 4-tert-butylphenol formaldehyde resin.
Preferably, the asphalt comprises 80 parts of emulsified asphalt, 20 parts of high-performance elastoplastic high polymer, 20 parts of high-activity liquid tackifying resin, 10 parts of functional polymer and 6 parts of auxiliary agent in parts by mass; the emulsified asphalt comprises 55 parts of asphalt, 30 parts of water, 1 part of emulsifier and 4 parts of stabilizer; the high-activity liquid tackifying resin comprises 4 parts of C5 hydrogenated petroleum resin, 8 parts of C9 hydrogenated petroleum resin, 3 coumarone resin, 4 terpene resin and 5-tert-butylphenol formaldehyde resin.
Preferably, the emulsifier is an anionic emulsifier comprising one or more of carboxylate, sulfonate, sulfate, phosphate salts.
Preferably, the stabilizer is used for improving the activity of the emulsifier and improving the storage stability of asphalt, and the stabilizer is any one or a combination of a plurality of halogen inorganic salts, water-soluble high molecular polymers and nonionic surfactants.
Preferably, the auxiliary agent comprises a thickening agent, a plasticizer, a filler and an antioxidant, wherein the thickening agent is used for improving the viscosity of the self-adhesive layer of the high-molecular pressure-sensitive hot melt adhesive, and the thickening agent is any one of carboxymethyl cellulose, propylene glycol alginate, methyl cellulose, sodium starch phosphate, sodium carboxymethyl cellulose, sodium alginate, casein, sodium polyacrylate, polyoxyethylene and polyvinylpyrrolidone;
the plasticizer is used for enhancing the flexibility of the self-adhesive layer of the high-molecular pressure-sensitive hot melt adhesive, and the plasticizer is one of aliphatic dibasic acid esters, phthalic acid esters, benzene polyacid esters, benzoate esters, polyol esters, chlorinated hydrocarbons, epoxy esters, citric acid esters and polyesters.
Preferably, the filler is used for improving the performance of the polymer pressure-sensitive hot melt adhesive self-adhesive layer, and the filler is selected from any one of kaolin, diatomite, talcum powder, graphite, carbon black, alumina powder, glass powder, asbestos powder, mica powder, quartz powder, carbon fiber, powdered cork and silicon carbide;
the antioxidant is used for improving the oxidation resistance of the self-adhesive layer of the high-molecular pressure-sensitive hot melt adhesive, and the antioxidant is any one of diphenylamine, p-phenylenediamine, dihydroquinoline, thiodipropionate diester, trioctyl ester and tridecyl ester.
The invention also provides a preparation method of the spray-coating water-based non-cured rubber asphalt waterproof paint, which comprises the following steps:
s1, preparing emulsified asphalt: preparing asphalt, namely heating the asphalt to 200-250 ℃ to enable the asphalt to be melted and to be in a flowing state, adding a stabilizing agent into water, heating to 70-80 ℃, adding an emulsifying agent, controlling the temperature to 80 ℃, and fully stirring and dissolving to form emulsion;
s2, slowly pouring asphalt into the emulsion for multiple times, and stirring to obtain a primary material;
s3, heating the C5 hydrogenated petroleum resin, the C9 hydrogenated petroleum resin, the coumarone resin, the terpene resin and the p-tert-butylphenol formaldehyde resin to 55-65 ℃ and preserving heat until the mixture is completely dissolved to obtain high-activity liquid tackifying resin;
and S4, heating and mixing the high-activity liquid tackifying resin, the high-performance elastoplastic high polymer, the functional polymer and the auxiliary agent with the preliminary material prepared in the step S2, uniformly stirring, cooling and filtering to obtain the spray-coating water-based non-solidified rubber asphalt waterproof coating.
Compared with the prior art, the invention has the beneficial effects that:
the invention selects halogen inorganic salt, water-soluble high polymer and nonionic surfactant as stabilizer, which not only can improve the activity of the emulsifier, but also can improve the storage stability of asphalt, and the emulsified asphalt is more elastic, the asphalt is not easy to crack, and the service life of the asphalt is further prolonged by the configuration of the modifier high-performance elastoplastic high polymer and the functional polymer.
Drawings
FIG. 1 is a flow chart of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the present invention provides a technical solution: the spray water-based non-cured rubber asphalt waterproof coating comprises, by mass, 60-80 parts of emulsified asphalt, 10-20 parts of high-performance elastoplastic high polymer, 10-20 parts of high-activity liquid tackifying resin, 5-10 parts of functional polymer and 2-6 parts of auxiliary agent; the emulsified asphalt comprises 40-55 parts of asphalt, 20-30 parts of water, 0.5-1 part of emulsifier and 2-4 parts of stabilizer, wherein the high-performance elastoplastic high polymer is a modifier and comprises at least one of glass fiber, carbon fiber, styrene butadiene block copolymer, styrene butadiene rubber, thermoplastic resin polyethylene, ethylene-vinyl acetate copolymer and waste rubber powder; the high-activity liquid tackifying resin comprises 2-4 parts of C5 hydrogenated petroleum resin, 4-8 parts of C9 hydrogenated petroleum resin, 1-3 parts of coumarone resin, 2-4 parts of terpene resin and 3-5 parts of p-tert-butylphenol formaldehyde resin; the functional polymer comprises any one or the combination of two of elastic acrylic ester emulsion and elastic styrene-acrylic emulsion.
The asphalt comprises, by mass, 60 parts of emulsified asphalt, 10 parts of high-performance elastoplastic high polymer, 10 parts of high-activity liquid tackifying resin, 5 parts of functional polymer and 2 parts of auxiliary agent; the emulsified asphalt comprises 40 parts of asphalt, 20 parts of water, 0.5 part of emulsifier and 2 parts of stabilizer; the high-activity liquid tackifying resin comprises 2 parts of C5 hydrogenated petroleum resin, 4 parts of C9 hydrogenated petroleum resin, 1 coumarone resin, 2 terpene resin and 3-tert-butylphenol formaldehyde resin.
Asphalt is a mixture composed of complex organic matters such as carbon, hydrogen and the like, and the chemical composition and the colloid structure of the asphalt are different along with different oil sources and different processing technologies, and the road property, the emulsification difficulty and the modification method of the asphalt are different. The production of emulsified asphalt therefore first considers the choice of suitable asphalt brands and labels, which, in addition to meeting the end-use requirements, should also meet the requirements of the emulsification production. The more aromatic and gum content is easy to emulsify, the more saturated and asphaltene content is, the less easy to emulsify. Sol-type asphalt is easier to emulsify than gel-type asphalt in terms of a colloidal structure.
Water is a medium in which asphalt is dispersed, and the cleanliness and hardness of water may affect emulsified asphalt. The presence of calcium and magnesium ions has advantages and disadvantages for cationic emulsifiers, on the one hand a certain acid consumption is required for neutralization, on the other hand the neutralization product CaCl2 is present as an emulsified asphalt stabilizer.
The emulsifier is an anionic emulsifier, and the emulsifier comprises one or more of carboxylate, sulfonate, sulfate and phosphate.
The stabilizer is used for improving the activity of the emulsifier and improving the storage stability of asphalt, and is any one or a combination of a plurality of halogen inorganic salts, water-soluble high molecular polymers and nonionic surfactants.
The addition of the halogen inorganic salt can enhance the double electron layer effect among emulsified asphalt particles, increase the potential and prevent the mutual aggregation of emulsified asphalt particles;
the water-soluble high molecular polymer is added into the emulsified asphalt to exist in a net-shaped and linear form, so that the emulsified asphalt particles are isolated, and meanwhile, the adhesiveness of the emulsified asphalt can be enhanced;
the nonionic surfactant can reduce the surface tension of water, and can play a role in compound emulsification after being mixed with the emulsifier in water, so that the emulsifying capacity is greatly enhanced.
If multiple chemical stabilizers can be selected at the same time and the proportion of the usage amount is adjusted to the optimal point, the usage amount of the emulsifier can be reduced to the minimum point, and meanwhile, emulsified asphalt with good stability can be prepared.
The auxiliary agent comprises a thickening agent, a plasticizer, a filler and an antioxidant, wherein the thickening agent is used for improving the viscosity of the self-adhesive layer of the high-molecular pressure-sensitive hot melt adhesive, and the thickening agent is any one of carboxymethyl cellulose, propylene glycol alginate, methyl cellulose, sodium starch phosphate, sodium carboxymethyl cellulose, sodium alginate, casein, sodium polyacrylate, polyoxyethylene and polyvinylpyrrolidone;
the plasticizer is used for enhancing the flexibility of the self-adhesive layer of the high-molecular pressure-sensitive hot melt adhesive, and the plasticizer is one of aliphatic dibasic acid esters, phthalic acid esters, benzene polyacid esters, benzoate esters, polyol esters, chlorinated hydrocarbons, epoxy esters, citric acid esters and polyesters.
The filler is used for improving the performance of the polymer pressure-sensitive hot melt adhesive self-adhesive layer, and the filler is any one of kaolin, diatomite, talcum powder, graphite, carbon black, alumina powder, glass powder, asbestos powder, mica powder, quartz powder, carbon fiber, powdered cork and silicon carbide;
the antioxidant is used for improving the oxidation resistance of the self-adhesive layer of the high-molecular pressure-sensitive hot melt adhesive, and the antioxidant is any one of diphenylamine, p-phenylenediamine, dihydroquinoline, thiodipropionate diester, trioctyl ester and tridecyl ester.
The invention also provides a preparation method of the spray-coating water-based non-cured rubber asphalt waterproof paint, which comprises the following steps:
s1, preparing emulsified asphalt: preparing asphalt, namely heating the asphalt to 200-250 ℃ to enable the asphalt to be melted and to be in a flowing state, adding a stabilizing agent into water, heating to 70-80 ℃, adding an emulsifying agent, controlling the temperature to 80 ℃, and fully stirring and dissolving to form emulsion;
s2, slowly pouring asphalt into the emulsion for multiple times, and stirring to obtain a primary material;
s3, heating the C5 hydrogenated petroleum resin, the C9 hydrogenated petroleum resin, the coumarone resin, the terpene resin and the p-tert-butylphenol formaldehyde resin to 55-65 ℃ and preserving heat until the mixture is completely dissolved to obtain high-activity liquid tackifying resin;
and S4, heating and mixing the high-activity liquid tackifying resin, the high-performance elastoplastic high polymer, the functional polymer and the auxiliary agent with the preliminary material prepared in the step S2, uniformly stirring, cooling and filtering to obtain the spray-coating water-based non-solidified rubber asphalt waterproof coating.
When the waterproof paint is stored, in order to ensure that the temperature inside the emulsion and the surface layer is uniformly reduced and prevent the surface layer from skinning due to water loss, the emulsion is stirred within 30 minutes after the emulsification is finished, and the emulsified asphalt is covered by a vessel, so that the water on the surface layer is prevented from evaporating too fast. After the emulsion is cooled to room temperature, the emulsion is poured into a sealed container with a bottle stopper and is preserved for standby.
The waterproof paint prepared by the method has the following characteristics:
self-healing: when the waterproof layer is damaged by external force, the damage point is not enlarged, the water channeling phenomenon at the bottom of the waterproof layer is avoided, and the damage point can be repaired gradually due to the creep action of the coating, so that the reliability of the waterproof layer is greatly improved.
The adhesive property is excellent: the adhesive is sticky when touching, is difficult to peel, and can fill the deformation crack of the base layer.
The extensibility is excellent: the high extensibility above 1000% and extensibility above 60mm can not damage the waterproof layer due to dislocation displacement of the base layer, so that the building structure always maintains a perfect sealing waterproof state.
The creep property is good: the waterproof layer can effectively absorb stress from the base layer, can immediately deform under the action of external stress, protects the waterproof layer from being damaged, improves the reliability of the waterproof layer and prolongs the service life of the waterproof layer.
The construction is convenient: film formation is carried out immediately without maintenance, and the next procedure can be carried out immediately after construction; has good affinity and can be combined with any materials. The stable waterproof coating is formed, the requirement on the flatness of the base layer is low, and the base layer treating agent does not need to be coated.
The temperature adaptability is good: can resist high temperature of 60-70 ℃ and still has good flexibility at-25 ℃.
Excellent chemical corrosion resistance and aging resistance: the performance of the product after soaking in acid, alkali and salt medium and heat ageing treatment is maintained over 90%.
Example 2
Unlike example 1, the difference is that
The asphalt comprises, by mass, 70 parts of emulsified asphalt, 15 parts of high-performance elastoplastic high polymer, 15 parts of high-activity liquid tackifying resin, 8 parts of functional polymer and 4 parts of auxiliary agent; the emulsified asphalt comprises 48 parts of asphalt, 25 parts of water, 0.8 part of emulsifier and 3 parts of stabilizer; the high-activity liquid tackifying resin comprises 3 parts of C5 hydrogenated petroleum resin, 6 parts of C9 hydrogenated petroleum resin, 2 coumarone resin, 3 terpene resin and 4-tert-butylphenol formaldehyde resin.
The physical basic performance indexes of the spray water-based non-cured rubber asphalt waterproof paint prepared by the scheme are shown in the following table:
example 3
Unlike example 1, the difference is that
The asphalt comprises, by mass, 80 parts of emulsified asphalt, 20 parts of high-performance elastoplastic high polymer, 20 parts of high-activity liquid tackifying resin, 10 parts of functional polymer and 6 parts of auxiliary agent; the emulsified asphalt comprises 55 parts of asphalt, 30 parts of water, 1 part of emulsifier and 4 parts of stabilizer; the high-activity liquid tackifying resin comprises 4 parts of C5 hydrogenated petroleum resin, 8 parts of C9 hydrogenated petroleum resin, 3 coumarone resin, 4 terpene resin and 5-tert-butylphenol formaldehyde resin.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A spray-coating water-based non-cured rubber asphalt waterproof paint is characterized in that: the asphalt comprises, by mass, 60-80 parts of emulsified asphalt, 10-20 parts of high-performance elastoplastic high polymer, 10-20 parts of high-activity liquid tackifying resin, 5-10 parts of functional polymer and 2-6 parts of auxiliary agent; the emulsified asphalt comprises 40-55 parts of asphalt, 20-30 parts of water, 0.5-1 part of emulsifier and 2-4 parts of stabilizer, wherein the high-performance elastoplastic high polymer is a modifier and comprises at least one of glass fiber, carbon fiber, styrene butadiene block copolymer, styrene butadiene rubber, thermoplastic resin polyethylene, ethylene-vinyl acetate copolymer and waste rubber powder; the high-activity liquid tackifying resin comprises 2-4 parts of C5 hydrogenated petroleum resin, 4-8 parts of C9 hydrogenated petroleum resin, 1-3 parts of coumarone resin, 2-4 parts of terpene resin and 3-5 parts of p-tert-butylphenol formaldehyde resin; the functional polymer comprises any one or the combination of two of elastic acrylic ester emulsion and elastic styrene-acrylic emulsion.
2. The spray-applied aqueous non-curable rubberized asphalt waterproofing paint according to claim 1, wherein: the asphalt comprises, by mass, 60 parts of emulsified asphalt, 10 parts of high-performance elastoplastic high polymer, 10 parts of high-activity liquid tackifying resin, 5 parts of functional polymer and 2 parts of auxiliary agent; the emulsified asphalt comprises 40 parts of asphalt, 20 parts of water, 0.5 part of emulsifier and 2 parts of stabilizer; the high-activity liquid tackifying resin comprises 2 parts of C5 hydrogenated petroleum resin, 4 parts of C9 hydrogenated petroleum resin, 1 coumarone resin, 2 terpene resin and 3-tert-butylphenol formaldehyde resin.
3. The spray-applied aqueous non-curable rubberized asphalt waterproofing paint according to claim 1, wherein: the asphalt comprises, by mass, 70 parts of emulsified asphalt, 15 parts of high-performance elastoplastic high polymer, 15 parts of high-activity liquid tackifying resin, 8 parts of functional polymer and 4 parts of auxiliary agent; the emulsified asphalt comprises 48 parts of asphalt, 25 parts of water, 0.8 part of emulsifier and 3 parts of stabilizer; the high-activity liquid tackifying resin comprises 3 parts of C5 hydrogenated petroleum resin, 6 parts of C9 hydrogenated petroleum resin, 2 coumarone resin, 3 terpene resin and 4-tert-butylphenol formaldehyde resin.
4. The spray-applied aqueous non-curable rubberized asphalt waterproofing paint according to claim 1, wherein: the asphalt comprises, by mass, 80 parts of emulsified asphalt, 20 parts of high-performance elastoplastic high polymer, 20 parts of high-activity liquid tackifying resin, 10 parts of functional polymer and 6 parts of auxiliary agent; the emulsified asphalt comprises 55 parts of asphalt, 30 parts of water, 1 part of emulsifier and 4 parts of stabilizer; the high-activity liquid tackifying resin comprises 4 parts of C5 hydrogenated petroleum resin, 8 parts of C9 hydrogenated petroleum resin, 3 coumarone resin, 4 terpene resin and 5-tert-butylphenol formaldehyde resin.
5. The spray-applied aqueous non-curable rubberized asphalt waterproofing paint according to claim 1, wherein: the emulsifier is an anionic emulsifier, and the emulsifier comprises one or more of carboxylate, sulfonate, sulfate and phosphate.
6. The spray-applied aqueous non-curable rubberized asphalt waterproofing paint according to claim 1, wherein: the stabilizer is used for improving the activity of the emulsifier and improving the storage stability of asphalt, and is any one or a combination of a plurality of halogen inorganic salts, water-soluble high molecular polymers and nonionic surfactants.
7. The spray-applied aqueous non-curable rubberized asphalt waterproofing paint according to claim 1, wherein: the auxiliary agent comprises a thickening agent, a plasticizer, a filler and an antioxidant, wherein the thickening agent is used for improving the viscosity of the self-adhesive layer of the high-molecular pressure-sensitive hot melt adhesive, and the thickening agent is any one of carboxymethyl cellulose, propylene glycol alginate, methyl cellulose, sodium starch phosphate, sodium carboxymethyl cellulose, sodium alginate, casein, sodium polyacrylate, polyoxyethylene and polyvinylpyrrolidone;
the plasticizer is used for enhancing the flexibility of the self-adhesive layer of the high-molecular pressure-sensitive hot melt adhesive, and the plasticizer is one of aliphatic dibasic acid esters, phthalic acid esters, benzene polyacid esters, benzoate esters, polyol esters, chlorinated hydrocarbons, epoxy esters, citric acid esters and polyesters.
8. The spray-applied aqueous non-curable rubberized asphalt waterproofing paint according to claim 7, wherein: the filler is used for improving the performance of the polymer pressure-sensitive hot melt adhesive self-adhesive layer, and the filler is any one of kaolin, diatomite, talcum powder, graphite, carbon black, alumina powder, glass powder, asbestos powder, mica powder, quartz powder, carbon fiber, powdered cork and silicon carbide;
the antioxidant is used for improving the oxidation resistance of the self-adhesive layer of the high-molecular pressure-sensitive hot melt adhesive, and the antioxidant is any one of diphenylamine, p-phenylenediamine, dihydroquinoline, thiodipropionate diester, trioctyl ester and tridecyl ester.
9. The method for preparing the spray-coated water-based non-cured rubber asphalt waterproof paint as claimed in claim 1, comprising the following steps:
s1, preparing emulsified asphalt: preparing asphalt, namely heating the asphalt to 200-250 ℃ to enable the asphalt to be melted and to be in a flowing state, adding a stabilizing agent into water, heating to 70-80 ℃, adding an emulsifying agent, controlling the temperature to 80 ℃, and fully stirring and dissolving to form emulsion;
s2, slowly pouring asphalt into the emulsion for multiple times, and stirring to obtain a primary material;
s3, heating the C5 hydrogenated petroleum resin, the C9 hydrogenated petroleum resin, the coumarone resin, the terpene resin and the p-tert-butylphenol formaldehyde resin to 55-65 ℃ and preserving heat until the mixture is completely dissolved to obtain high-activity liquid tackifying resin;
and S4, heating and mixing the high-activity liquid tackifying resin, the high-performance elastoplastic high polymer, the functional polymer and the auxiliary agent with the preliminary material prepared in the step S2, uniformly stirring, cooling and filtering to obtain the spray-coating water-based non-solidified rubber asphalt waterproof coating.
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