CN112680045B - Weather-resistant water-based waterproof combined adhesive, and preparation method and application thereof - Google Patents
Weather-resistant water-based waterproof combined adhesive, and preparation method and application thereof Download PDFInfo
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Abstract
The application relates to the technical field of water-based adhesives, and particularly discloses a weather-resistant water-based waterproof combined adhesive, a preparation method and application thereof, wherein the water-based waterproof combined adhesive comprises a permeable sealing primer and a waterproof elastic surface adhesive; the raw materials of the permeable sealing primer comprise deionized water, a defoaming agent, a powder wetting agent, graphene modified ferroferric oxide hollow microspheres, nano titanium dioxide, aqueous permeable emulsion, aqueous elastic emulsion, aqueous highlight emulsion, aqueous waterproof emulsion, a film forming auxiliary agent, a base material wetting agent, a thickening agent and an adhesion promoter; the raw materials of the waterproof elastic surface glue comprise deionized water, a dispersing agent, a defoaming agent, a powder wetting agent, a pigment, a palladium oxide modified titanium oxide nanotube, a water-based high-gloss emulsion, a water-based elastic emulsion, a water-based waterproof emulsion, a film-forming assistant, a base material wetting agent, a thickening agent and an adhesion promoter. The water-based waterproof combined adhesive not only has good adhesive force, but also can adapt to expansion with heat and contraction with cold of a color steel plate, and meets market demands.
Description
Technical Field
The application relates to the technical field of water-based adhesives, in particular to a weather-resistant water-based waterproof combined adhesive, and a preparation method and application thereof.
Background
Various steel sheet is the steel construction that industry factory building was commonly used, and various steel sheet surface has the one deck waterproof layer, can play waterproof effect, but because various steel sheet exposes in the open air, and when various steel sheet long-term use, the inevitable meeting of waterproof layer can take place to drop, influences the use of various steel sheet. At the moment, the color steel plate needs to be renovated, in the renovation of the color steel plate, the waterproof layer on the surface of the color steel plate is generally removed firstly, then the surface of the color steel plate is polished and cleaned, the corrosion on the surface is removed, then the surface of the color steel plate is sprayed with finish paint, and the waterproof layer is formed, so that the purpose of renovating the color steel plate is achieved.
In view of the above-mentioned related technologies, the inventor thinks that in the practical application of color steel plate renovation, the finish paint is directly sprayed on the surface of the color steel plate after being polished and cleaned, and a waterproof layer is formed, the adhesive force of the waterproof layer on the surface of the color steel plate is poor, meanwhile, the color steel plate can expand with heat and contract with cold under the influence of seasonal changes and day and night temperature differences, especially in northeast and other places, the temperature of the surface of the color steel plate can be raised to 60 ℃ in summer or even up to 70 ℃, while the temperature of the surface of the color steel plate can be lowered to-30 ℃ in winter or even as low as-40 ℃, and the waterproof layer is easy to break away and crack due to the expansion with heat and contraction with cold of the color steel plate.
Disclosure of Invention
In order to improve the adhesive force of the waterproof adhesive layer on the surface of the color steel plate to be renovated and reduce the falling and cracking of the waterproof adhesive layer caused by the expansion with heat and contraction with cold of the color steel plate, the application provides a weather-resistant water-based waterproof combined adhesive, a preparation method and application.
In a first aspect, the present application provides a weather-resistant water-based waterproof combined adhesive, which adopts the following technical scheme:
a weather-resistant water-based waterproof combined adhesive comprises a permeable sealing primer and a waterproof elastic surface adhesive;
the permeable sealing primer is prepared from the following raw materials in parts by weight: 27-35 parts of deionized water, 0.05-0.2 part of defoaming agent, 0.2-1.1 part of powder wetting agent, 1.5-2.5 parts of graphene modified ferroferric oxide hollow microspheres, 0.05-0.2 part of nano titanium dioxide, 16-23 parts of water-based permeable emulsion, 27-34 parts of water-based elastic emulsion, 3-7 parts of water-based highlight emulsion, 3-4 parts of water-based waterproof emulsion, 4-4.5 parts of film-forming additive, 1.7-2.4 parts of base material wetting agent, 0.2-0.7 part of thickening agent and 1-1.7 parts of adhesion promoter;
the waterproof elastic surface adhesive is prepared from the following raw materials in parts by weight: 16-23 parts of deionized water, 2-2.4 parts of dispersing agent, 0.1-0.3 part of defoaming agent, 0.3-0.8 part of powder wetting agent, 2.5-4.5 parts of pigment, 2.2-2.8 parts of palladium oxide modified titanium oxide nanotube, 10-16 parts of water-based high gloss emulsion, 37-43 parts of water-based elastic emulsion, 8-13 parts of water-based waterproof emulsion, 5.1-5.5 parts of film forming additive, 1-2 parts of base material wetting agent, 0.1-0.3 part of thickening agent and 0.8-1.3 parts of adhesion promoter.
By adopting the technical scheme, the inventor finds that after the surface of the color steel plate is polished and cleaned, dust such as rust can remain on the surface of the color steel plate, and the adhesive force of the waterproof adhesive layer on the surface of the polished and cleaned color steel plate is influenced.
In this application, add the substrate wetting agent in the infiltration closed primer, the powder wetting agent, the basic wetting agent is moistened to the surface of various steel sheet, the powder wetting agent is moistened the dust, and play good dispersion, the closure effect, add nano-graphene modified ferroferric oxide hollow microsphere in the raw materials, waterborne infiltration emulsion, waterborne highlight emulsion, waterborne infiltration emulsion has good permeability, waterborne highlight emulsion also can improve its and various steel sheet's bonding strength, nano-graphene modified ferroferric oxide hollow microsphere not only can promote the permeability of waterborne infiltration emulsion, but also adsorb, fix, seal the dust, reduce the influence of dust to the infiltration closed primer, thereby improve the infiltration closed primer in the adhesive force on the surface of the various steel sheet after the clearance of polishing.
The water-based high-light emulsion is added into the raw materials of the waterproof elastic surface glue, so that the weather resistance of the waterproof glue layer is improved, the pulverization and cracking of the waterproof glue layer are reduced, the water-based elastic emulsion is added into the raw materials, the flexibility of the waterproof glue layer can be effectively improved, the waterproof glue layer can keep good stability under the condition that the temperature difference in summer and winter is 100 ℃, the dropping and cracking of the waterproof glue layer cannot occur, and the waterproof glue layer can keep good waterproof effect. Through waterborne highlight emulsion, waterborne elasticity emulsion, waterborne waterproof emulsion, the synergism between the palladium oxide modified titanium oxide nanotube, and the infiltration seals the primer, the synergism between the waterproof elastic surface glue, not only can effectual increase waterproof glue layer and polish bonding strength between the clearance back various steel sheet, and under the condition that the difference in temperature is 100 ℃, the waterproof glue layer does not appear droing, the condition of fracture, and its expend with heat and contract with cold that can adapt to various steel sheet, especially in the north, the waterproof glue layer of coating formation on waiting to renovate various steel sheet surface of the waterproof combination of waterborne of this application, waterproof glue layer has good weatherability, sun resistance, the highlight, water proofness, still have the advantage that toughness is good, satisfy the market demand.
Optionally, the permeation sealing primer is prepared from the following raw materials in parts by weight: 31 parts of deionized water, 0.1 part of defoaming agent, 0.5 part of powder wetting agent, 2 parts of graphene modified ferroferric oxide hollow microspheres, 0.1 part of nano titanium dioxide, 20 parts of aqueous osmotic emulsion, 30 parts of aqueous elastic emulsion, 5 parts of aqueous highlight emulsion, 3 parts of aqueous waterproof emulsion, 4.3 parts of film-forming assistant, 2.1 parts of base material wetting agent, 0.5 part of thickening agent and 1.4 parts of adhesion promoter;
the waterproof elastic surface adhesive is prepared from the following raw materials in parts by weight: 20 parts of deionized water, 2.2 parts of dispersing agent, 0.2 part of defoaming agent, 0.5 part of powder wetting agent, 3.5 parts of pigment, 2.5 parts of palladium oxide modified titanium oxide nanotube, 13 parts of aqueous highlight emulsion, 40 parts of aqueous elastic emulsion, 10 parts of aqueous waterproof emulsion, 5.3 parts of film-forming assistant, 1.5 parts of base material wetting agent, 0.2 part of thickening agent and 1.1 part of adhesion promoter.
By adopting the technical scheme, the raw material proportion of the permeable sealing primer and the waterproof elastic surface adhesive is further optimized, and the using effect and the service life of the water-based waterproof combined adhesive are further improved.
Optionally, the aqueous permeable emulsion is BLJ-641 closed emulsion, the aqueous waterproof emulsion is etertkyd W34310 epoxy ester emulsion, the aqueous highlight emulsion is KX-108 styrene-acrylic emulsion, and the aqueous elastic emulsion is BLJ-963M elastic emulsion.
By adopting the technical scheme, the water-based permeable emulsion, the water-based waterproof emulsion, the water-based highlight emulsion and the water-based elastic emulsion are further limited, and the performance of the waterproof combined paint is improved.
Optionally, the palladium oxide modified titanium oxide nanotube is prepared by the following method:
adding palladium acetylacetonate into dichloromethane, stirring and uniformly mixing to obtain a premix for later use;
adding tetramethylammonium hydroxide into pure ethanol, stirring and mixing uniformly, then adding isopropyl titanate, continuing to stir and mix uniformly, then adding premix, performing ultrasonic dispersion for 50-60min, continuing to stir and mix uniformly, standing for 24-28h, and performing ultrasonic dispersion for 20-30min to obtain a mixture;
roasting the mixture under the protection of inert gas at the roasting temperature of 450-550 ℃ for 4-6h, and cooling to obtain palladium oxide modified titanium oxide;
adding palladium oxide modified titanium oxide into a sodium hydroxide solution, performing ultrasonic dispersion for 1-2h, heating to 130-140 ℃, performing heat preservation for 18-20h, filtering, washing and drying to obtain a primary finished product;
adding the primary finished product into a hydrochloric acid solution, performing ultrasonic dispersion for 40-50min, filtering, washing and drying to obtain a palladium oxide modified titanium oxide nanotube;
the weight ratio of the palladium acetylacetonate to the isopropyl titanate is 1 (50-60).
By adopting the technical scheme, palladium acetylacetonate is added in the preparation process of the titanium oxide, and palladium oxide is formed together with the palladium acetylacetonate, so that the palladium oxide can be uniformly distributed in the titanium oxide, and then the titanium oxide is further modified to form a titanium oxide nanotube, and finally the palladium oxide modified titanium oxide nanotube is obtained.
Optionally, the graphene-modified ferroferric oxide hollow microsphere is prepared by the following method:
under the protection of inert gas, adding sodium dodecyl benzene sulfate into ethylene glycol, stirring and mixing uniformly, then adding graphene, stirring and mixing uniformly, performing ultrasonic dispersion for 30-50min, then adding ferric chloride and sodium acetate, continuing stirring and mixing uniformly, performing ultrasonic dispersion for 20-40min, heating to 175-;
the weight ratio of the graphene to the ferric chloride to the sodium acetate is 1 (5-6) to 9-10.
By adopting the technical scheme, ethylene glycol provides a mild reduction environment, and sodium acetate provides a reaction alkaline environment, so that ferric chloride is converted into ferroferric oxide, and simultaneously, as the reaction time is prolonged, nano graphene forms hollow microspheres along with products, and the graphene modified ferroferric oxide hollow microspheres are obtained.
In a second aspect, the application provides a preparation method of a weather-resistant water-based waterproof combined adhesive, which adopts the following technical scheme:
a preparation method of weather-resistant water-based waterproof combined glue comprises the steps of respectively preparing a permeable sealing primer and a waterproof elastic surface glue;
the permeable sealing primer is prepared by the following method:
adding a defoaming agent and a powder wetting agent into deionized water, stirring and uniformly mixing, then adding the graphene modified ferroferric oxide hollow microspheres and the nano titanium dioxide, and continuously stirring and uniformly mixing to obtain a premix a;
grinding the premix a to obtain slurry a for later use;
mixing the water-based permeable emulsion, the water-based elastic emulsion, the water-based highlight emulsion and the water-based waterproof emulsion, uniformly mixing, then adding the film-forming assistant, stirring and uniformly mixing to obtain a base material a;
adding the material slurry a, a base material wetting agent, a thickening agent and an adhesion promoter into the base material a, stirring and uniformly mixing to obtain a permeable sealing primer;
the waterproof elastic surface adhesive is prepared by the following method:
adding a dispersing agent, a defoaming agent and a powder wetting agent into deionized water, stirring and uniformly mixing, then adding a pigment and a palladium oxide modified titanium oxide nanotube, and continuously stirring and uniformly mixing to obtain a premix b;
grinding the premix b to obtain slurry b for later use;
mixing the aqueous highlight emulsion, the aqueous elastic emulsion and the aqueous waterproof emulsion uniformly, then adding the film-forming assistant, stirring and mixing uniformly to obtain a base material b;
and adding the material slurry b, a base material wetting agent, a thickening agent and an adhesion promoter into the base material b, stirring and uniformly mixing to obtain the waterproof elastic surface adhesive.
By adopting the technical scheme, the permeable sealing primer and the waterproof elastic surface adhesive are prepared respectively, so that the preparation is simple, convenient and stable.
In a third aspect, the application provides an application of a weather-resistant water-based waterproof combined adhesive, which adopts the following technical scheme:
the application of the weather-resistant water-based waterproof combined adhesive is characterized in that the water-based waterproof combined paint is used for renovating and treating color steel plates of industrial plants.
By adopting the technical scheme, the applicability of the water-based waterproof combined paint is improved, and the market demand is met. Meanwhile, when the waterproof adhesive layer is formed into a film and is not thoroughly dried, the waterproof adhesive layer also has certain viscosity, materials such as waterproof cloth can be bonded on the surface of the waterproof adhesive layer, and the practicability and the applicability of the waterproof combined adhesive are further improved.
Optionally, coating the permeation sealing primer on the surface of the room color steel plate after polishing and cleaning to form a primer layer, wherein the thickness of the primer layer is 20-40 μm;
the waterproof elastic surface glue is coated on the surface of the bottom glue layer to form a surface glue layer, and the thickness of the surface glue layer is 40-60 mu m;
the waterproof layer is formed by the bottom glue layer and the surface glue layer integrally, and the thickness of the waterproof glue layer is 60-80 mu m.
Through adopting above-mentioned technical scheme, utilize infiltration closed primer to improve the face glue film and treat to renovate the adhesive force between the various steel sheet, utilize waterproof elastic face glue to improve waterproof glue film to the change of various steel sheet expend with heat and contract with cold, through infiltration closed primer, the synergistic effect between the waterproof elastic face glue, increased waterproof glue film and treat to renovate the bonding strength between the various steel sheet, reduce the waterproof glue film and appear droing, the condition of fracture, improve waterproof glue film's life, make waterborne waterproof combination glue satisfy the market demand.
In a fourth aspect, the application provides an application of a weather-resistant water-based waterproof combined adhesive, which adopts the following technical scheme:
the application of weather-resistant water-based waterproof combined glue is characterized in that the water-based waterproof combined paint is used for waterproof treatment of cement roofs.
Through adopting above-mentioned technical scheme, the surface on cement roof is through the clearance back, but the surface on cement roof also can be inevitable also to remain dust such as cement, and is applied to cement roof surface with the infiltration closed primer in this application, can the effectual bonding strength who increases waterproof glue layer and cement roof to improve waterproof glue layer's life, also improved the suitability of waterborne waterproof combination glue simultaneously, satisfied market demand.
Optionally, the permeation sealing primer is coated on the surface of the cleaned cement roof to form a primer layer, and the thickness of the primer layer is 50-100 μm;
the waterproof elastic surface adhesive is coated on the surface of the bottom adhesive layer to form a surface adhesive layer, and the thickness of the surface adhesive layer is 100-300 mu m; the bottom glue layer and the surface glue layer are integrally formed into a waterproof glue layer, and the thickness of the waterproof glue layer is 200-400 mu m.
By adopting the technical scheme, the adhesive force between the surface adhesive layer and the cement roof is improved by utilizing the permeable sealing primer, the weather resistance and the water resistance of the waterproof adhesive layer are improved by utilizing the waterproof elastic surface adhesive, the bonding strength between the waterproof adhesive layer and the cement roof is increased by utilizing the synergistic effect between the permeable sealing primer and the waterproof elastic surface adhesive, and the service life of the waterproof adhesive layer is prolonged, meanwhile, as the color steel plate is generally an inclined plane, and the surface of the cement roof is a horizontal plane, the surface of the cement roof is likely to have the condition of water accumulation, compared with the waterproof adhesive layer with the surface of the color steel plate being 40-60 mu m, the waterproof adhesive layer on the surface of the cement roof is 200-400 mu m, and the waterproof effect of the cement roof can be effectively improved.
In summary, the present application has the following beneficial effects:
1. the utility model provides a waterproof combination of resistant time waterborne is glued, seal the primer through the infiltration, the synergism between the waterproof elastic surface glue, waiting to renovate the various steel sheet surface and forming waterproof glue film, waterproof glue film has good weatherability, sun resistance, high gloss, water proofness, still has the advantage that toughness is good, moreover under the condition that the difference in temperature is 100 ℃, waterproof glue film does not appear the condition that drops, ftractures, and its expend with heat and contract with cold that can adapt to various steel sheet, can satisfy the market demand that the various steel sheet renovates.
2. The preparation method of the weather-resistant water-based waterproof combined adhesive respectively prepares the permeable sealing primer and the waterproof elastic surface adhesive, and has the advantages of simplicity and stability in preparation.
3. The application of the waterproof combination of resistant waterborne of this application is glued is used for the renovation of the various steel sheet of industry factory building with waterproof combination of waterborne to form waterproof glue layer on various steel sheet surface, not only improve the bonding strength between waterproof glue layer and the various steel sheet, but also can adapt to the change that various steel sheet takes place because of expend with heat and contract with cold, reduce the waterproof glue layer and appear the condition that drops, the fracture, satisfy the market demand that waterproof combination of waterborne was glued. Meanwhile, when the waterproof glue layer is formed into a film and is not thoroughly dried, materials such as waterproof cloth and the like can be bonded on the surface of the waterproof glue layer due to certain viscosity of the waterproof glue layer, and the practicability and the applicability of the waterproof combined glue are improved. The water-based waterproof combined glue is used for the waterproof treatment of the cement roof, the applicability of the water-based waterproof combined glue is further improved, the market demand is met, the thickness of the waterproof glue layer after the color steel plate of the industrial factory building is renovated is 60-80 mu m, the renovation cost of the color steel plate is reduced under the condition of meeting the waterproof demand, and the thickness of the waterproof glue layer after the waterproof treatment of the cement roof is 200-400 mu m, so that the waterproof effect of the cement roof can be effectively improved.
Detailed Description
The present application will be described in further detail with reference to examples.
Preparation example
Preparation example 1
A nano-graphene modified ferroferric oxide hollow microsphere is prepared by the following method:
under the protection of nitrogen, adding 0.2kg of sodium dodecyl benzene sulfate into 15kg of ethylene glycol, stirring and mixing uniformly, then adding 0.1kg of nano graphene, stirring and mixing uniformly, performing ultrasonic dispersion for 30min, then adding 0.5kg of ferric chloride and 0.9kg of sodium acetate, continuing stirring and mixing uniformly, performing ultrasonic dispersion for 40min, heating to 175 ℃, performing heat preservation reaction for 12h, filtering, washing and drying to obtain the nano graphene modified ferroferric oxide hollow microsphere.
Wherein, the washing is firstly carried out for three times by using deionized water, and then is carried out for three times by using absolute ethyl alcohol.
The drying temperature is 60 ℃, and the drying time is 14 h.
And at the moment, the weight ratio of the nano graphene to the ferric chloride to the sodium acetate is 1:5: 9.
The nano graphene is selected from Beijing German island gold science and technology limited.
Preparation example 2
A nano-graphene modified ferroferric oxide hollow microsphere is prepared by the following method:
under the protection of nitrogen, adding 0.25kg of sodium dodecyl benzene sulfate into 15kg of ethylene glycol, stirring and mixing uniformly, then adding 0.1kg of nano graphene, stirring and mixing uniformly, performing ultrasonic dispersion for 35min, then adding 0.55kg of ferric chloride and 0.95kg of sodium acetate, continuing stirring and mixing uniformly, performing ultrasonic dispersion for 25min, heating to 180 ℃, performing heat preservation reaction for 11.5h, filtering, washing and drying to obtain the nano graphene modified ferroferric oxide hollow microspheres.
Wherein, the washing is firstly carried out for three times by using deionized water, and then is carried out for three times by using absolute ethyl alcohol.
The drying temperature is 60 ℃, and the drying time is 14 h.
And at the moment, the weight ratio of the nano graphene to the ferric chloride to the sodium acetate is 1:5.5: 9.5.
The nano graphene is selected from Beijing German island gold science and technology limited.
Preparation example 3
A nano-graphene modified ferroferric oxide hollow microsphere is prepared by the following method:
under the protection of nitrogen, adding 0.3kg of sodium dodecyl benzene sulfate into 15kg of ethylene glycol, stirring and mixing uniformly, then adding 0.1kg of nano graphene, stirring and mixing uniformly, performing ultrasonic dispersion for 50min, then adding 0.6kg of ferric chloride and 1kg of sodium acetate, continuing stirring and mixing uniformly, performing ultrasonic dispersion for 20min, heating to 185 ℃, performing heat preservation reaction for 11h, filtering, washing and drying to obtain the nano graphene modified ferroferric oxide hollow microspheres.
Wherein, the washing is firstly carried out for three times by using deionized water, and then is carried out for three times by using absolute ethyl alcohol.
The drying temperature is 60 ℃, and the drying time is 14 h.
And at the moment, the weight ratio of the nano graphene to the ferric chloride to the sodium acetate is 1:6: 10.
The nano graphene is selected from Beijing German island gold science and technology limited.
Preparation example 4
The palladium oxide modified titanium oxide nanotube is prepared by the following method:
adding 0.1kg of palladium acetylacetonate into 1kg of dichloromethane, stirring and uniformly mixing to obtain a premix for later use;
adding 2.5kg of tetramethylammonium hydroxide into 10kg of pure ethanol, stirring and uniformly mixing, then adding 5kg of isopropyl titanate, continuously stirring and uniformly mixing, then adding a premix, carrying out ultrasonic dispersion for 50min, continuously stirring and uniformly mixing, standing for 24h, and carrying out ultrasonic dispersion for 30min to obtain a mixture;
roasting the mixture under the protection of nitrogen, wherein the roasting temperature is 450 ℃, the roasting time is 6 hours, and cooling to obtain palladium oxide modified titanium oxide;
adding palladium oxide modified titanium oxide into 8kg of 30% sodium hydroxide solution, ultrasonically dispersing for 1h, heating to 130 ℃, carrying out heat preservation treatment for 20h, filtering, washing and drying to obtain a primary finished product;
and adding the primary finished product into 8kg of hydrochloric acid solution with the concentration of 3%, performing ultrasonic dispersion for 40min, filtering, washing and drying to obtain the palladium oxide modified titanium oxide nanotube.
And the weight ratio of the palladium acetylacetonate to the isopropyl titanate is 1: 50.
Preparation example 5
The palladium oxide modified titanium oxide nanotube is prepared by the following method:
adding 0.1kg of palladium acetylacetonate into 1kg of dichloromethane, stirring and uniformly mixing to obtain a premix for later use;
adding 2.8kg of tetramethylammonium hydroxide into 10kg of pure ethanol, stirring and uniformly mixing, then adding 5.5kg of isopropyl titanate, continuously stirring and uniformly mixing, then adding a premix, performing ultrasonic dispersion for 55min, continuously stirring and uniformly mixing, standing for 26h, and performing ultrasonic dispersion for 25min to obtain a mixture;
roasting the mixture under the protection of nitrogen at 500 ℃ for 5h, and cooling to obtain palladium oxide modified titanium oxide;
adding palladium oxide modified titanium oxide into 8kg of 30% sodium hydroxide solution, ultrasonically dispersing for 1.5h, heating to 135 ℃, carrying out heat preservation treatment for 19h, filtering, washing and drying to obtain a primary finished product;
and adding the primary finished product into 8kg of hydrochloric acid solution with the concentration of 3%, performing ultrasonic dispersion for 45min, filtering, washing and drying to obtain the palladium oxide modified titanium oxide nanotube.
And the weight ratio of the palladium acetylacetonate to the isopropyl titanate is 1: 55.
Preparation example 6
The palladium oxide modified titanium oxide nanotube is prepared by the following method:
adding 0.1kg of palladium acetylacetonate into 1kg of dichloromethane, stirring and uniformly mixing to obtain a premix for later use;
adding 3kg of tetramethylammonium hydroxide into 10kg of pure ethanol, stirring and uniformly mixing, then adding 6kg of isopropyl titanate, continuously stirring and uniformly mixing, then adding a premix, performing ultrasonic dispersion for 60min, continuously stirring and uniformly mixing, standing for 28h, and performing ultrasonic dispersion for 20min to obtain a mixture;
roasting the mixture under the protection of nitrogen at the roasting temperature of 550 ℃ for 4 hours, and cooling to obtain palladium oxide modified titanium oxide;
adding palladium oxide modified titanium oxide into 8kg of 30% sodium hydroxide solution, performing ultrasonic dispersion for 2h, heating to 140 ℃, performing heat preservation treatment for 18h, filtering, washing and drying to obtain a primary finished product;
and adding the primary finished product into 8kg of hydrochloric acid solution with the concentration of 3%, performing ultrasonic dispersion for 50min, filtering, washing and drying to obtain the palladium oxide modified titanium oxide nanotube.
And the weight ratio of the palladium acetylacetonate to the isopropyl titanate is 1: 60.
Examples
A weather-resistant water-based waterproof combined adhesive comprises a permeable sealing primer and a waterproof elastic surface adhesive, wherein the average fineness of the permeable sealing primer and the waterproof elastic surface adhesive is less than 10 mu m.
TABLE 1 content (unit: Kg) of each raw material of penetrating sealer in examples
| Raw materials | Example 1 | Example 2 | Example 3 |
| Deionized water | 27 | 31 | 35 |
| Defoaming agent | 0.05 | 0.1 | 0.2 |
| Powder wetting agent | 1.1 | 0.5 | 0.2 |
| Graphene modified ferroferric oxide hollow microsphere | 2.5 | 2 | 1.5 |
| Nano titanium white powder | 0.05 | 0.1 | 0.2 |
| Aqueous osmotic emulsions | 16 | 20 | 23 |
| Aqueous elastic emulsion | 34 | 30 | 27 |
| Aqueous high gloss emulsion | 7 | 5 | 3 |
| Water-based waterproof emulsion | 4 | 3 | 2 |
| Film forming aid | 4 | 4.3 | 4.5 |
| Substrate wetting agent | 2.4 | 2.1 | 1.7 |
| Thickening agent | 0.2 | 0.5 | 0.7 |
| Adhesion promoter | 1.7 | 1.4 | 1 |
| Total up to | 100 | 100 | 100 |
Table 2 examples the contents (unit: Kg) of the respective raw materials of the waterproof elastic face adhesive
| Raw materials | Example 1 | Example 6 | Example 7 |
| Deionized water | 16 | 20 | 23 |
| Dispersing agent | 2 | 2.2 | 2.4 |
| Defoaming agent | 0.1 | 0.2 | 0.3 |
| Powder wetting agent | 0.8 | 0.5 | 0.3 |
| Pigment (I) | 4.5 | 3.5 | 2.5 |
| Palladium oxide modified titanium oxide nanotube | 2.2 | 2.5 | 2.8 |
| Aqueous high gloss emulsion | 10 | 13 | 16 |
| Aqueous elastic emulsion | 43 | 40 | 37 |
| Water-based waterproof emulsion | 13 | 10 | 8 |
| Film forming aid | 5.5 | 5.3 | 5.1 |
| Substrate wetting agent | 2 | 1.5 | 1 |
| Thickening agent | 0.1 | 0.2 | 0.3 |
| Adhesion promoter | 0.8 | 1.1 | 1.3 |
| Total up to | 100 | 100 | 100 |
Example 1
The weather-resistant water-based waterproof combined glue comprises a permeable sealing primer and a waterproof elastic surface glue, wherein the raw material ratio of the permeable sealing primer is shown in table 1, and the raw material ratio of the waterproof elastic surface glue is shown in table 2.
Wherein the defoaming agent is AKN-3801 organosilicon defoaming agent and is selected from Qianzhi chemical industry Co., Ltd, Foshan; the powder wetting agent is HY-6170 wetting agent and is selected from Beijing Maier chemical engineering science and technology limited; the nanometer titanium dioxide is R-104 titanium dioxide and is selected from Guangzhou Bester new material science and technology company; the water-based osmotic emulsion is BLJ-641 closed emulsion and is selected from new materials of Baolijia, Shanghai, Co.Ltd; the aqueous elastic emulsion is BLJ-963M elastic emulsion and is selected from new materials of Baolijia, Shanghai, Co., Ltd; the water-based high-gloss emulsion is KX-108 styrene-acrylic emulsion and is selected from Qingdao ancient-science and technology limited company; the water-based waterproof emulsion is ETERKYD W34310 epoxy ester emulsion and is selected from Shanghai Kaiyn chemical company; the film-forming auxiliary agent is an HY-12C film-forming agent and is selected from Beijing Maer chemical technology Co., Ltd; the substrate wetting agent is HY-6086 wetting agent and is selected from Beijing Maier chemical engineering science and technology Limited; the thickener is HY-307 thickener and is selected from Beijing Maier chemical engineering science and technology, Inc.; the adhesion promoter is H-1061 promoter and is selected from Shenzhen Jitian chemical industry Co., Ltd; the dispersant is AKN-2280, and is selected from Qianzhi chemical Co., Ltd; the pigment is iron red powder and is selected from Yunnan Kunming Yuba construction waterproof materials Co.
The nano graphene modified ferroferric oxide hollow microsphere is obtained by adopting the preparation example 1; the palladium oxide-modified titanium oxide nanotube was obtained by using preparation example 4.
A preparation method of weather-resistant water-based waterproof combined glue is used for respectively preparing permeable sealing primer glue and waterproof elastic surface glue.
The permeable sealing primer is prepared by the following method:
adding a defoaming agent and a powder wetting agent into deionized water, stirring and uniformly mixing, then adding the graphene modified ferroferric oxide hollow microspheres and the nano titanium dioxide, and continuously stirring and uniformly mixing to obtain the premix a.
And grinding the premix a to obtain slurry a for later use.
And (2) mixing the water-based permeable emulsion, the water-based elastic emulsion, the water-based highlight emulsion and the water-based waterproof emulsion, uniformly mixing, then adding the film-forming assistant, stirring and uniformly mixing to obtain the base material a.
And adding the material slurry a, the base material wetting agent, the thickening agent and the adhesion promoter into the base material a, stirring and uniformly mixing to obtain the penetrating sealing primer.
The waterproof elastic surface adhesive is prepared by the following method:
and adding a dispersing agent, a defoaming agent and a powder wetting agent into deionized water, stirring and uniformly mixing, then adding a pigment and the palladium oxide modified titanium oxide nanotube, and continuously stirring and uniformly mixing to obtain a premix b.
And grinding the premix b to obtain slurry b for later use.
And (3) mixing the aqueous highlight emulsion, the aqueous elastic emulsion and the aqueous waterproof emulsion, uniformly mixing, then adding the film-forming aid, stirring and uniformly mixing to obtain the base material b.
And adding the material slurry b, a base material wetting agent, a thickening agent and an adhesion promoter into the base material b, stirring and uniformly mixing to obtain the waterproof elastic surface adhesive.
Examples 2 to 3
A weather-resistant water-based waterproof combined adhesive comprises a permeable sealing primer and a waterproof elastic surface adhesive, and is different from the adhesive in embodiment 1 in that the raw material ratio of the permeable sealing primer is different, and the raw material ratios of the permeable sealing primers in embodiments 2 to 3 are shown in Table 1.
Example 4
The weather-resistant water-based waterproof combined adhesive comprises permeation sealing base adhesive and waterproof elastic surface adhesive, and is different from the embodiment 2 in that graphene modified ferroferric oxide hollow microspheres in raw materials of the permeation sealing base adhesive are different, and the graphene modified ferroferric oxide hollow microspheres are obtained by the preparation example 2.
Example 5
The weather-resistant water-based waterproof combined adhesive comprises permeation sealing base adhesive and waterproof elastic surface adhesive, and is different from the embodiment 2 in that graphene modified ferroferric oxide hollow microspheres in raw materials of the permeation sealing base adhesive are different, and the graphene modified ferroferric oxide hollow microspheres are obtained by adopting the preparation example 3.
Examples 6 to 7
A weather-resistant water-based waterproof combined adhesive comprises a permeable sealing primer and a waterproof elastic surface adhesive, and is different from the waterproof elastic surface adhesive in the embodiment 4 in the raw material ratio, and the raw material ratio of the waterproof elastic surface adhesive in the embodiments 6 to 7 is shown in Table 2.
Example 8
The weather-resistant water-based waterproof combined adhesive comprises a permeable sealing primer and a waterproof elastic surface adhesive, and is different from the waterproof elastic surface adhesive in embodiment 6 in that palladium oxide modified titanium oxide nanotubes in raw materials of the waterproof elastic surface adhesive are different, and the palladium oxide modified titanium oxide nanotubes are obtained by adopting preparation example 5.
Example 9
The weather-resistant water-based waterproof combined adhesive comprises a permeable sealing primer and a waterproof elastic surface adhesive, and is different from the waterproof elastic surface adhesive in embodiment 6 in that palladium oxide modified titanium oxide nanotubes in raw materials of the waterproof elastic surface adhesive are different, and the palladium oxide modified titanium oxide nanotubes are obtained by adopting preparation example 6.
Comparative example
Comparative example 1
The weather-resistant water-based waterproof combined adhesive comprises a permeable sealing primer and a waterproof elastic surface adhesive, and is different from the embodiment 4 in that the same amount of nano graphene modified ferroferric oxide hollow microspheres are replaced by water-based waterproof emulsion in raw materials of the permeable sealing primer.
Comparative example 2
A weather-resistant water-based waterproof combined glue comprises a penetration sealing primer and a waterproof elastic surface glue, and is different from the embodiment 4 in that the raw materials of the penetration sealing primer are replaced by water-based waterproof emulsion with the same amount of water-based penetration emulsion.
Comparative example 3
A weather-resistant water-based waterproof combined adhesive comprises a penetration sealing primer and a waterproof elastic surface adhesive, and is different from the embodiment 4 in that the raw materials of the penetration sealing primer are replaced by water-based waterproof emulsion with the same amount of water-based high-gloss emulsion.
Comparative example 4
The weather-resistant water-based waterproof combined adhesive comprises a permeable sealing primer and a waterproof elastic surface adhesive, and is different from the embodiment 4 in that the raw materials of the permeable sealing primer replace the same amount of nano graphene modified ferroferric oxide hollow microspheres, water-based permeable emulsion and water-based high gloss emulsion with water-based waterproof emulsion.
Comparative example 5
A weather-resistant water-based waterproof combined glue comprises a permeable sealing primer and a waterproof elastic surface glue, and is different from the embodiment 4 in that the raw materials of the permeable sealing primer are replaced by water-based waterproof emulsion for an equivalent amount of powder wetting agent.
Comparative example 6
A weather-resistant water-based waterproof combined glue comprises a penetration sealing primer and a waterproof elastic surface glue, and is different from the embodiment 4 in that the raw materials of the penetration sealing primer are replaced by water-based waterproof emulsion with the same amount of a substrate wetting agent.
Comparative example 7
A weather-resistant water-based waterproof combined glue comprises a permeable sealing primer and a waterproof elastic surface glue, and is different from the embodiment 4 in that the raw materials of the permeable sealing primer are replaced by water-based waterproof emulsion for an equivalent amount of a powder wetting agent and a substrate wetting agent.
Comparative example 8
A weather-resistant water-based waterproof combined glue comprises a penetration sealing primer and a waterproof elastic surface glue, and is different from the embodiment 4 in that the raw materials of the penetration sealing primer are replaced by water-based waterproof emulsion with the same amount of water-based elastic emulsion.
Comparative example 9
A weather-resistant water-based waterproof combined adhesive comprises a permeable sealing primer and a waterproof elastic surface adhesive, and is different from the embodiment 8 in that the raw materials of the waterproof elastic surface adhesive are replaced by water-based waterproof emulsion with the same amount of water-based elastic emulsion.
Comparative example 10
A weather-resistant water-based waterproof combined adhesive comprises a permeable sealing primer and a waterproof elastic surface adhesive, and is different from the embodiment 8 in that the raw materials of the waterproof elastic surface adhesive are replaced by water-based waterproof emulsion instead of water-based high-gloss emulsion with the same quantity.
Comparative example 11
The weather-resistant water-based waterproof combined glue comprises a permeable sealing primer and a waterproof elastic surface glue, and is different from the embodiment 8 in that the raw materials of the waterproof elastic surface glue are replaced by water-based waterproof emulsion instead of water-based elastic emulsion and water-based highlight emulsion which are equal in quantity.
Comparative example 12
The weather-resistant water-based waterproof combined adhesive comprises a permeable sealing primer and a waterproof elastic surface adhesive, and is different from the embodiment 8 in that the raw material of the waterproof elastic surface adhesive is water-based waterproof emulsion instead of equivalent palladium oxide modified titanium oxide nanotubes.
Comparative example 13
The weather-resistant water-based waterproof combined adhesive comprises a permeable sealing primer and a waterproof elastic surface adhesive, and is different from the embodiment 8 in that the raw materials of the waterproof elastic surface adhesive are water-based waterproof emulsion instead of water-based high-gloss emulsion and palladium oxide modified titanium oxide nanotubes with the same amount.
Performance test
Samples were prepared from the permeation blocking primers obtained in examples 1 to 5 and comparative examples 1 to 7, and the following property tests were performed, and the test results are shown in table 3.
Wherein, the sample is prepared by the following method:
s1, removing the waterproof layer on the surface of the color steel plate to be renovated, and then polishing and cleaning the surface of the color steel plate to remove the corrosion on the surface of the color steel plate and prevent the surface of the color steel plate from obviously falling off powder.
And S2, coating a penetrating and sealing primer once on the surface of the color steel plate processed in the step S1, and forming a primer layer, wherein the thickness of the primer layer is 30 microns, so as to obtain a sample.
The adhesion was tested using the following method: the method comprises the steps of smoothly scratching 100 small squares on the primer layer on the surface of a sample by using a blade, wherein the size of each square is 10mm multiplied by 10mm, then adhering 3M adhesive paper on the square by using 500G of force, applying the force for 3s, then pulling the 3M adhesive paper away from the surface of the sample, and respectively carrying out peeling on the primer layer according to whether the primer layer peels or not and the peeling area, wherein the grade is 0-5, the surface of the grade 0 does not peel, and the larger the grade is in the grade 1-5, the more serious the peeling condition is.
TABLE 3 detection results of penetrating sealing primer
| Detecting items | Adhesion force/(grade) |
| Example 1 | 0 |
| Example 2 | 0 |
| Example 3 | 0 |
| Example 4 | 0 |
| Example 5 | 0 |
| Comparative example 1 | 1 |
| Comparative example 2 | 2 |
| Comparative example 3 | 1 |
| Comparative example 4 | 3 |
| Comparative example 5 | 1 |
| Comparative example 6 | 1 |
| Comparative example 7 | 2 |
As can be seen from table 3, the penetrating sealing primer has good adhesion on the surface of the polished and cleaned color steel plate, and the adhesion grade is 0 grade.
By comparing the example 4 with the comparative examples 1 to 4, it can be seen that the adhesion of the permeable sealing primer can be effectively improved by adding the nano-graphene modified ferroferric oxide hollow microspheres, the aqueous permeable emulsion and the aqueous high gloss emulsion into the raw material of the permeable sealing primer and by the synergistic effect between the nano-graphene modified ferroferric oxide hollow microspheres and the aqueous permeable emulsion and the aqueous high gloss emulsion.
Comparing the example 4 with the comparative examples 5 to 7, it can be seen that the powder wetting agent and the substrate wetting agent are added to the raw materials of the permeable sealing primer, and the adhesive force of the permeable sealing primer can be effectively improved through the synergistic effect between the powder wetting agent and the substrate wetting agent, mainly because the powder wetting agent well wets and disperses the dust on the surface of the color steel plate and is sealed in the primer layer, and the substrate wetting agent wets the color steel plate, so that the adhesive force of the primer layer is improved.
The aqueous waterproofing composite adhesives obtained in example 1, examples 6 to 9 and comparative examples 8 to 13 were used to prepare samples and tested for the following properties, and the results are shown in Table 4.
Wherein, the sample is prepared by the following method:
s1, removing the waterproof layer on the surface of the color steel plate to be renovated, and then polishing and cleaning the surface of the color steel plate to remove the corrosion on the surface of the color steel plate and prevent the surface of the color steel plate from obviously falling off powder.
S2, coating a penetrating and sealing primer once on the surface of the color steel plate processed in the step S1, and forming a primer layer, wherein the thickness of the primer layer is 30 microns.
And S3, coating the waterproof elastic surface adhesive on the surface of the primer layer processed in the step S2 twice, and forming a surface adhesive layer, wherein the thickness of the primer layer is 50 microns, so as to obtain the sample.
Wherein the primer layer and the topcoat layer are integrally formed into a waterproof adhesive layer, and at this time, the thickness of the waterproof adhesive layer is 80 μm.
The adhesion was tested using the following method: the method comprises the steps of smoothly dividing a waterproof adhesive layer on the surface of a sample into 100 small squares by a blade, wherein the size of each square is 10mm multiplied by 10mm, then adhering 3M adhesive paper on the squares by 500G of force, applying the force for 2s, then pulling the 3M adhesive paper away from the surface of the sample, and respectively dividing a bottom adhesive layer according to whether the waterproof adhesive layer peels or not and the peeling area, wherein the grade is 0-5, the surface of the grade 0 does not peel, and the larger the grade is in the grade 1-5, the more serious the peeling condition is.
The water resistance was tested using the following method: and (3) soaking the sample in water at the temperature of 25 ℃, observing the condition of the waterproof adhesive layer on the surface of the sample, stopping soaking if the sample is soft and frothy, and calculating the soaking time.
The resistance to 5% hydrochloric acid is detected by the following method: and (3) soaking the sample in a hydrochloric acid solution of 5% hydrochloric acid at 25 ℃, observing the condition of the waterproof adhesive layer on the surface of the sample, stopping soaking if the sample is soft and frothy, and calculating the soaking time.
The 5% sodium hydroxide resistance was measured by the following method: and (3) soaking the sample in a sodium hydroxide solution of 5% sodium hydroxide at the temperature of 25 ℃, observing the condition of the waterproof adhesive layer on the surface of the sample, stopping soaking if the sample is soft and frothy, and calculating the soaking time.
The ultraviolet-resistant direct irradiation is detected by adopting the following method: placing the sample in a closed box, turning on the ultraviolet lamp, and keeping the distance between the sample and the ultraviolet lamp at 10cm, wherein the irradiation intensity of the ultraviolet lamp is 1.0W/m2And observing the condition of the waterproof glue layer on the surface of the sample, stopping irradiation if light is lost, and calculating the irradiation time.
The flexibility was tested using the following method: placing the sample at the temperature of-40 ℃, standing for 72h at the temperature of 70 ℃, repeating the steps for multiple times, bending the sample to form a transitional bending arc with the diameter of 15mm, observing the condition of the waterproof adhesive layer on the surface of the sample at the transitional bending arc, and grading the flexibility of the waterproof adhesive layer according to whether the waterproof adhesive layer falls off or cracks, the falling area and the cracking area, wherein the grade 0 surface does not fall off or crack, and the grade 1-5 has more serious falling off and cracking of the waterproof adhesive layer on the surface with larger grade.
TABLE 4 detection results of aqueous waterproof combination glue
As can be seen from Table 4, the waterborne waterproof combination adhesive has good adhesive force, the adhesive force grade is 0, the waterborne waterproof combination adhesive also has good water resistance, 5% hydrochloric acid resistance, 5% sodium hydroxide resistance and ultraviolet direct irradiation resistance, the water resistance is 61-65 days, the 5% hydrochloric acid resistance is 36-39 days, the 5% sodium hydroxide resistance is 41-43 days, and the ultraviolet direct irradiation resistance is 21-25 days, and simultaneously has good flexibility, after the waterborne waterproof combination adhesive is alternately stored for a plurality of times at the temperature of-40 ℃ and the temperature of 70 ℃, the flexibility grade is 0, the surface does not have the condition of falling off and cracking, the waterborne waterproof combination adhesive not only has good weather resistance, but also can adapt to the renovation treatment of a color steel plate under the condition that the temperature difference of the color steel plate is changed to 100 ℃, and effectively prolongs the service life of a waterproof adhesive layer, the water-based waterproof combined paint meets the market demand.
Comparing example 8 with comparative example 8, it can be seen that the flexibility of the aqueous waterproof combination glue is effectively improved by adding the aqueous elastic emulsion into the raw material of the permeable sealing primer and by the synergistic effect between the aqueous elastic emulsion and the waterproof elastic surface glue.
Comparing the example 8 with the comparative examples 9 to 11, it can be seen that the weather resistance and flexibility of the water-based waterproof combined glue are effectively improved and the market demand is met by adding the water-based high gloss emulsion and the water-based elastic emulsion into the raw materials of the water-based elastic surface glue and by the synergistic action between the water-based high gloss emulsion and the water-based elastic emulsion.
Comparing the example 8 with the comparative example 9 and the comparative examples 12 to 13, it can be seen that the weather resistance of the water-based waterproof combined adhesive is effectively improved by adding the water-based high gloss emulsion and the palladium oxide modified titanium oxide nanotube into the raw materials of the waterproof elastic surface adhesive and by the synergistic effect between the water-based high gloss emulsion and the palladium oxide modified titanium oxide nanotube.
Application example
Application example 1
A weather-resistant water-based waterproof combined adhesive is used for renovating a color steel plate of an industrial factory building.
The water-based waterproof combined glue comprises a permeable sealing primer and a waterproof elastic surface glue, and the permeable sealing primer and the waterproof elastic surface glue are obtained by adopting the embodiment 8.
A weather-resistant water-based waterproof combined adhesive comprises the following steps:
s1, removing the waterproof layer on the surface of the color steel plate to be renovated, and then polishing and cleaning the surface of the color steel plate to remove the corrosion on the surface of the color steel plate and prevent the surface of the color steel plate from obviously falling off powder.
S2, coating a penetrating and sealing primer once on the surface of the color steel plate processed in the step S1, and forming a primer layer, wherein the thickness of the primer layer is 20-40 μm, and preferably the thickness of the primer layer is 30 μm.
S3, coating waterproof elastic surface glue on the surface of the primer layer processed in the step S2 twice, and forming a surface glue layer, wherein the thickness of the surface glue is 40-60 μm, and preferably, the thickness of the primer layer is 50 μm.
Wherein the primer layer and the surface adhesive layer are integrally formed into a waterproof adhesive layer, and the thickness of the waterproof adhesive layer is 60-80 μm at this time.
Application example 2
A weather-resistant water-based waterproof combined adhesive is used for waterproof treatment of cement roofs.
The water-based waterproof combined glue comprises a permeable sealing primer and a waterproof elastic surface glue, and the permeable sealing primer and the waterproof elastic surface glue are obtained by adopting the embodiment 8.
A weather-resistant water-based waterproof combined adhesive comprises the following steps:
and S1, cleaning the surface of the cement roof to be treated to remove impurities on the surface of the cement roof.
S2, coating the penetrating and sealing primer twice on the cement roof surface treated in the step S1, and forming a primer layer, wherein the thickness of the primer layer is 50-100 μm, and preferably the thickness of the primer layer is 100 μm.
S3, coating the waterproof elastic surface adhesive twice on the surface of the primer layer processed in the step S2, and forming the surface adhesive layer, wherein the thickness of the surface adhesive is 100-300 μm, and preferably the thickness of the primer layer is 200 μm.
Wherein, the primer layer and the surface glue layer are integrally formed into a waterproof glue layer, and the thickness of the waterproof glue layer is 200-400 μm.
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 (7)
1. The weather-resistant water-based waterproof combined adhesive is characterized in that: the water-based waterproof combined glue comprises a permeable sealing primer and a waterproof elastic surface glue;
the permeable sealing primer is prepared from the following raw materials in parts by weight: 27-35 parts of deionized water, 0.05-0.2 part of defoaming agent, 0.2-1.1 part of powder wetting agent, 1.5-2.5 parts of graphene modified ferroferric oxide hollow microspheres, 0.05-0.2 part of nano titanium dioxide, 16-23 parts of water-based permeable emulsion, 27-34 parts of water-based elastic emulsion, 3-7 parts of water-based highlight emulsion, 3-4 parts of water-based waterproof emulsion, 4-4.5 parts of film-forming additive, 1.7-2.4 parts of base material wetting agent, 0.2-0.7 part of thickening agent and 1-1.7 parts of adhesion promoter;
the waterproof elastic surface adhesive is prepared from the following raw materials in parts by weight: 16-23 parts of deionized water, 2-2.4 parts of dispersing agent, 0.1-0.3 part of defoaming agent, 0.3-0.8 part of powder wetting agent, 2.5-4.5 parts of pigment, 2.2-2.8 parts of palladium oxide modified titanium oxide nanotube, 10-16 parts of water-based highlight emulsion, 37-43 parts of water-based elastic emulsion, 8-13 parts of water-based waterproof emulsion, 5.1-5.5 parts of film-forming additive, 1-2 parts of base material wetting agent, 0.1-0.3 part of thickening agent and 0.8-1.3 parts of adhesion promoter;
the water-based permeable emulsion is BLJ-641 closed emulsion, the water-based waterproof emulsion is ETERKYD W34310 epoxy ester emulsion, the water-based highlight emulsion is KX-108 styrene-acrylic emulsion, and the water-based elastic emulsion is BLJ-963M elastic emulsion;
the palladium oxide modified titanium oxide nanotube is prepared by the following method:
adding palladium acetylacetonate into dichloromethane, stirring and uniformly mixing to obtain a premix for later use;
adding tetramethylammonium hydroxide into pure ethanol, stirring and mixing uniformly, then adding isopropyl titanate, continuing to stir and mix uniformly, then adding premix, performing ultrasonic dispersion for 50-60min, continuing to stir and mix uniformly, standing for 24-28h, and performing ultrasonic dispersion for 20-30min to obtain a mixture;
roasting the mixture under the protection of inert gas at the roasting temperature of 450-550 ℃ for 4-6h, and cooling to obtain palladium oxide modified titanium oxide;
adding palladium oxide modified titanium oxide into a sodium hydroxide solution, performing ultrasonic dispersion for 1-2h, heating to 130-140 ℃, performing heat preservation for 18-20h, filtering, washing and drying to obtain a primary finished product;
adding the primary finished product into a hydrochloric acid solution, performing ultrasonic dispersion for 40-50min, filtering, washing and drying to obtain a palladium oxide modified titanium oxide nanotube;
the weight ratio of the palladium acetylacetonate to the isopropyl titanate is 1 (50-60);
the graphene modified ferroferric oxide hollow microsphere is prepared by the following method:
under the protection of inert gas, adding sodium dodecyl benzene sulfate into ethylene glycol, stirring and mixing uniformly, then adding graphene, stirring and mixing uniformly, performing ultrasonic dispersion for 30-50min, then adding ferric chloride and sodium acetate, continuing stirring and mixing uniformly, performing ultrasonic dispersion for 20-40min, heating to 175-;
the weight ratio of the graphene to the ferric chloride to the sodium acetate is 1 (5-6) to 9-10.
2. The weather-resistant water-based waterproof combination adhesive as claimed in claim 1, wherein: the permeable sealing primer is prepared from the following raw materials in parts by weight: 31 parts of deionized water, 0.1 part of defoaming agent, 0.5 part of powder wetting agent, 2 parts of graphene modified ferroferric oxide hollow microspheres, 0.1 part of nano titanium dioxide, 20 parts of aqueous osmotic emulsion, 30 parts of aqueous elastic emulsion, 5 parts of aqueous highlight emulsion, 3 parts of aqueous waterproof emulsion, 4.3 parts of film-forming assistant, 2.1 parts of base material wetting agent, 0.5 part of thickening agent and 1.4 parts of adhesion promoter;
the waterproof elastic surface adhesive is prepared from the following raw materials in parts by weight: 20 parts of deionized water, 2.2 parts of dispersing agent, 0.2 part of defoaming agent, 0.5 part of powder wetting agent, 3.5 parts of pigment, 2.5 parts of palladium oxide modified titanium oxide nanotube, 13 parts of aqueous highlight emulsion, 40 parts of aqueous elastic emulsion, 10 parts of aqueous waterproof emulsion, 5.3 parts of film-forming assistant, 1.5 parts of base material wetting agent, 0.2 part of thickening agent and 1.1 part of adhesion promoter.
3. A method for preparing the weather-resistant water-based waterproof combination adhesive as claimed in any one of claims 1 to 2, wherein: respectively preparing the permeable sealing primer and the waterproof elastic surface adhesive;
the permeable sealing primer is prepared by the following method:
adding a defoaming agent and a powder wetting agent into deionized water, stirring and uniformly mixing, then adding the graphene modified ferroferric oxide hollow microspheres and the nano titanium dioxide, and continuously stirring and uniformly mixing to obtain a premix a;
grinding the premix a to obtain slurry a for later use;
mixing the water-based permeable emulsion, the water-based elastic emulsion, the water-based highlight emulsion and the water-based waterproof emulsion, uniformly mixing, then adding the film-forming assistant, stirring and uniformly mixing to obtain a base material a;
adding the material slurry a, a base material wetting agent, a thickening agent and an adhesion promoter into the base material a, stirring and uniformly mixing to obtain a permeable sealing primer;
the waterproof elastic surface adhesive is prepared by the following method:
adding a dispersing agent, a defoaming agent and a powder wetting agent into deionized water, stirring and uniformly mixing, then adding a pigment and a palladium oxide modified titanium oxide nanotube, and continuously stirring and uniformly mixing to obtain a premix b;
grinding the premix b to obtain slurry b for later use;
mixing the aqueous highlight emulsion, the aqueous elastic emulsion and the aqueous waterproof emulsion uniformly, then adding the film-forming assistant, stirring and mixing uniformly to obtain a base material b;
and adding the material slurry b, a base material wetting agent, a thickening agent and an adhesion promoter into the base material b, stirring and uniformly mixing to obtain the waterproof elastic surface adhesive.
4. Use of a weather-resistant aqueous waterproofing combination according to any of claims 1 to 2, characterized in that: the water-based waterproof combined adhesive is used for renovating the color steel plate of an industrial factory building.
5. The use of the weather-resistant water-proof combined adhesive as claimed in claim 4, wherein: coating the permeation sealing primer on the surface of the room color steel plate after polishing and cleaning to form a primer layer, wherein the thickness of the primer layer is 20-40 mu m;
the waterproof elastic surface glue is coated on the surface of the bottom glue layer to form a surface glue layer, and the thickness of the surface glue layer is 40-60 mu m;
the bottom glue layer and the surface glue layer form a waterproof layer integrally, and the thickness of the waterproof layer is 60-80 mu m.
6. Use of a weather-resistant aqueous waterproofing combination according to any of claims 1 to 2, characterized in that: the water-based waterproof combined glue is used for waterproof treatment of cement roofs.
7. The use of the weather-resistant water-based waterproof combination adhesive as claimed in claim 6, wherein: the permeation sealing primer is coated on the surface of the cleaned cement roof to form a primer layer, and the thickness of the primer layer is 50-100 mu m;
the waterproof elastic surface adhesive is coated on the surface of the bottom adhesive layer to form a surface adhesive layer, and the thickness of the surface adhesive layer is 100-300 mu m;
the bottom glue layer and the surface glue layer form a waterproof layer integrally, and the thickness of the waterproof layer is 200-400 mu m.
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| JPS51150536A (en) * | 1975-06-20 | 1976-12-24 | Toagosei Chem Ind Co Ltd | Water proof under-coating composition for structure |
| CN1872920A (en) * | 2005-05-31 | 2006-12-06 | 玉门石油管理局 | Super weather resisting elastic water proofing paint, and producing method |
| CN103436159B (en) * | 2013-09-11 | 2016-04-27 | 王国玺 | Composite high-polymer waterproof paint and preparation method thereof |
| CN104231813B (en) * | 2014-10-11 | 2016-09-07 | 江苏华夏制漆科技有限公司 | A kind of bottom surface paint of soaking-resistant for Ball-shaped glass container with water and inner decorative articles and preparation method thereof |
| CN106700814B (en) * | 2015-07-20 | 2019-03-08 | 上海三银涂料科技股份有限公司 | Aqueous high adhesion force dividing joint priming paint and its preparation method and application |
| CN107629608A (en) * | 2016-07-05 | 2018-01-26 | 孙学成 | A kind of preparation method and construction technology of elastic roofing waterproof paint |
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