CN113621281A - Waterproof and impervious asphalt coating and preparation method thereof - Google Patents
Waterproof and impervious asphalt coating and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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- 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
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- C09D7/61—Additives non-macromolecular inorganic
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- 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
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- 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
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Abstract
The application relates to a waterproof and impervious asphalt coating and a preparation method thereof. A waterproof and impervious asphalt coating comprises the following components in parts by weight: 100 parts of acrylic emulsion and 250 parts of acrylic emulsion; 50-150 parts of aggregate; 5-15 parts of pigment; 100 portions of water and 200 portions of water; 5-10 parts of a film-forming assistant; 3-5 parts of an anti-permeability agent; 50-100 parts of modified emulsified asphalt; the preparation steps of the modified emulsified asphalt are as follows: vacuumizing the emulsified asphalt and the modified solution under an acidic condition, heating to the temperature of 100-; the pH value under acidic condition is 4-6; the modifying solution consists of a modified colloid and a modified filler; the modified colloid consists of hyperbranched polyamide resin, starch and tributyl phosphate. The asphalt coating has the advantages of water resistance and impermeability.
Description
Technical Field
The application relates to the technical field of asphalt coatings, in particular to a waterproof and anti-permeability asphalt coating and a preparation method thereof.
Background
Asphalt is a brown or black brown organic gelled material, and is also applied to the field of coatings due to the excellent characteristics of the asphalt, wherein asphalt coatings are taken as examples and have the advantages of weather resistance, acid and alkali resistance, long service life and the like.
The asphalt coating in the related technology comprises acrylic emulsion, aggregate, pigment, emulsified asphalt and water, the coating is water emulsion type waterproof coating prepared by taking the emulsified asphalt and the acrylic emulsion as base materials, the aggregate, the pigment, the acrylic emulsion and the emulsified asphalt are uniformly dispersed in the water by stirring and mixing to form stable water dispersion, namely the asphalt coating, the preparation process is simple and convenient, and various raw materials are easy to obtain and can meet the basic requirements of people on the coating, so that the asphalt coating is produced on a large scale at the present stage.
By adopting the related technologies, the prepared asphalt coating can be directly put into use to meet the use requirements of people, but the general anti-permeability and waterproof capability is not high, and when the asphalt coating is applied to places needing to be in contact with water sources for a long time, the asphalt coating can crack and fall off, so that the service life of the asphalt coating is greatly shortened.
Disclosure of Invention
In order to improve the impermeability of asphalt paint, and prevent cracking and falling off, the application provides a waterproof impermeable asphalt paint and a preparation method thereof.
In a first aspect, the application provides a waterproof and impervious asphalt coating, which adopts the following technical scheme:
a waterproof and impervious asphalt coating comprises the following components in parts by weight:
100 parts of acrylic emulsion and 250 parts of acrylic emulsion;
50-150 parts of aggregate;
5-15 parts of pigment;
100 portions of water and 200 portions of water;
5-10 parts of a film-forming assistant;
3-5 parts of an anti-permeability agent;
50-100 parts of modified emulsified asphalt;
the preparation steps of the modified emulsified asphalt are as follows:
vacuumizing the emulsified asphalt and the modified solution under an acidic condition, heating to the temperature of 100-;
the pH value under acidic condition is 4-6;
the modifying solution consists of a modified colloid and a modified filler;
the modified colloid consists of hyperbranched polyamide resin, starch and tributyl phosphate.
By adopting the technical scheme, the emulsified asphalt is mixed with the modified solution under the acidic condition, so that the emulsified asphalt and the modified solution have good compatibility, the hyperbranched polyamide resin, the starch and the tributyl phosphate can be mutually cooperated and form a three-dimensional reticular complex with the emulsified asphalt through crosslinking, the complex has compact structure and is adhered to each other, and the complex is supposed to be formed by hydrolyzing and gelatinizing starch, esterifying the starch with tributyl phosphate under acidic condition and crosslinking hyperbranched polyamide resin, the phosphate group can lead the monomer hydrolyzed and gelatinized starch to be firmly bonded with the emulsified asphalt and the lipid in a crosslinking way by inhibiting the starch hydrolysis and gelatinization rate, and the complex formed by crosslinking can be fully matched with the acrylic emulsion and the aggregate to jointly form a compact and thick waterproof and anti-seepage layer, thereby obviously improving the caking property and the anti-seepage property of the asphalt coating.
Preferably, the modified colloid is prepared from hyperbranched polyamide resin, starch and tributyl phosphate in a weight ratio of 1: (0.5-0.8): (0.05-0.15).
By adopting the technical scheme, the hyperbranched polyamide resin, the starch and the tributyl phosphate in the proportion can be crosslinked with the emulsified asphalt through the synergistic interaction among the hyperbranched polyamide resin, the starch and the tributyl phosphate to form a compact three-dimensional network complex, the three-dimensional network complexes are mutually crosslinked and stacked and form a waterproof anti-seepage layer with a compact structure together with the aggregate and the acrylic emulsion, and then the anti-seepage performance of the asphalt coating is obviously improved.
Preferably, the weight ratio of the emulsified asphalt to the modified liquid is 1: (0.5-0.8).
By adopting the technical scheme, the modified asphalt modified by the ratio modified liquid has better modification effect, the modification reaction is fully carried out, simultaneously, the cross-linking structure of the three-dimensional reticular complex is more complex, and then the anti-permeability capability of a waterproof anti-permeability layer formed by the three-dimensional reticular complex, the aggregate and the acrylic emulsion is stronger.
Preferably, the modifying solution is prepared from a modifying colloid and a modifying filler according to a weight ratio of 1: (0.1-0.2).
By adopting the technical scheme, the modified filler in the proportion can be fully combined on the formed three-dimensional reticular complex, the combination capability of the three-dimensional reticular complex is obviously enhanced, and then the waterproof and anti-seepage layer formed by combining the aggregate and the acrylic emulsion has a more compact structure and stronger anti-seepage capability.
Preferably, the modified filler is prepared from nano-silica micropowder and potassium silicate in a weight ratio of 1: (0.5-1.0).
By adopting the technical scheme, the modified filler composed of the nano-silica micro powder and the potassium silicate in the proportion has a good combination effect with the three-dimensional reticular complex, the wear resistance and the heat insulation performance of the surface of the coating can be obviously improved by adding the nano-silica micro powder, and the nano-silica micro powder can be firmly combined and is not easy to fall off when being used in combination with the potassium silicate.
Preferably, the film-forming assistant is prepared from polyurethane and carboxymethyl cellulose in a weight ratio of 1: (0.2-0.4).
By adopting the technical scheme, the film-forming aid consisting of the polyurethane and the carboxymethyl cellulose in the proportion can improve the compatibility among the components of the asphalt coating and the surface tension of the coating through the synergistic effect of the polyurethane and the carboxymethyl cellulose, so as to achieve the effect of assisting film formation, and the film-forming aid can also be retained in the asphalt coating and fill the formed three-dimensional reticular complex, so that the formed waterproof and anti-seepage layer has stronger waterproof and anti-seepage capability.
Preferably, the anti-permeability agent is prepared from sodium trimethylsilanolate and sodium silicate in a weight ratio of 1: (0.5-0.7).
By adopting the technical scheme, the anti-permeability agent composed of sodium trimethylsilanolate and sodium silicate in the proportion has good permeability and crystallinity and has the characteristic of slight expansion, so that the compactness of the asphalt coating is increased, a hydrophobic layer is formed by the anti-permeability agent and the three-dimensional reticular complex, and the anti-permeability performance of the asphalt coating is further ensured.
In a second aspect, the application provides a preparation method of a waterproof and impervious asphalt coating, which adopts the following technical scheme: a preparation method of waterproof and impervious asphalt paint comprises the following steps:
s1, dispersing acrylic emulsion, aggregate, pigment, water and modified emulsified asphalt according to the corresponding parts by weight at 80-100 ℃ at the rotating speed of 1500-2000r/min for 10-20min;
s2, mixing the mixture in the S1 with a film forming aid and an anti-permeability agent according to the corresponding parts by weight under the condition of 500-800r/min for 10-20min, and mixing to obtain the waterproof and anti-permeability asphalt coating.
By adopting the technical scheme, the preparation method has simple steps, easily controlled parameters and conditions and low raw material cost, thereby being beneficial to industrial production and preparing the waterproof and impervious asphalt coating with stable performance in a large scale.
In summary, the present application has the following beneficial effects:
1. according to the application, the three-dimensional network complex bonding aggregate formed by crosslinking the modified liquid and the emulsified asphalt and the acrylic emulsion jointly form a compact waterproof and anti-permeation layer, and the asphalt coating is endowed with excellent waterproof and anti-permeation performance through the waterproof and anti-permeation layer;
2. the film-forming assistant composed of polyurethane and carboxymethyl cellulose endows the asphalt coating with better compatibility of each component, and the film-forming assistant can also be used as a filler after auxiliary film forming, so that a waterproof and anti-permeability layer formed by crosslinking and bonding is stronger in waterproof and anti-permeability capacity;
3. the compactness of the asphalt coating is improved by the anti-permeability agent consisting of sodium trimethylsilanolate and sodium silicate, and a hydrophobic layer is formed on the three-dimensional reticular complex through the synergistic effect of the sodium trimethylsilanolate and the sodium silicate, so that the asphalt coating is endowed with better waterproof and anti-permeability capabilities;
4. the parameters of each preparation step are easy to control, and the raw materials are easy to obtain, so that the method is favorable for mass production, and the prepared waterproof and anti-permeability asphalt coating is stable and uniform in performance.
Detailed Description
The present application will be described in further detail with reference to examples.
The raw materials used in the examples of the present application are commercially available, except for the following specific descriptions:
acrylic emulsion, type industrial grade, 55% content, purchased from commercial ltd of Jinchuan, Jinhui, Jinan;
emulsified asphalt, cat No. 022, 50% content, purchased from zenhua petrochemical company, ltd;
hyperbranched polyamide resin, model HyPer HPN202, purchased from wuhan hyperbranched resin technologies ltd;
tributyl phosphate, CAS registry number 126-73-8, purchased from Jinan melting chemical Co., Ltd;
the nano-silica micro powder is 1000 meshes, and is purchased from Hebei Seina nano material science and technology Co., Ltd;
polyurethane, model waterborne polyurethane 951, purchased from Shandongtaibao waterproofing materials, Inc.;
carboxymethyl cellulose, CAS 9000-11-7, available from Baiying biotechnology, Inc., of Jiangxi;
sodium trimethylsilanolate, cat # 65165, purchased from Shanghai Gaomi chemical Co., Ltd.
Preparation example
Preparation example 1
The modified emulsified asphalt comprises the following preparation steps:
the weight ratio of the emulsified asphalt to the modified liquid is 1: 0.3, vacuumizing under the condition that the pH value is 4, heating to 100 ℃, and stirring at the rotating speed of 2500r/min for 20min to obtain the modified emulsified asphalt;
the modified liquid is prepared from modified colloid and modified filler according to the weight ratio of 1: 0.05;
the modified colloid is prepared from hyperbranched polyamide resin, starch and tributyl phosphate according to the weight ratio of 1: 0.3: 0.01;
the modified filler is nano-silica micropowder.
Preparation example 2
The modified emulsified asphalt is different from the preparation example 1 in that the weight ratio of the emulsified asphalt to the modified solution is 1: 0.3, vacuumizing under the condition that the pH value is 5, heating to 110 ℃, and stirring at the rotating speed of 2750r/min for 25min to obtain the modified emulsified asphalt.
Preparation example 3
The modified emulsified asphalt is different from the preparation example 1 in that the weight ratio of the emulsified asphalt to the modified solution is 1: 0.3, vacuumizing under the condition that the pH value is 6, heating to 120 ℃, and stirring for 30min at the rotating speed of 2750r/min to obtain the modified emulsified asphalt.
Preparation example 4
The modified emulsified asphalt is different from the preparation example 1 in that the weight ratio of the emulsified asphalt to the modified solution is 1: 0.5 mixing.
Preparation example 5
The modified emulsified asphalt is different from the preparation example 1 in that the weight ratio of the emulsified asphalt to the modified solution is 1: 0.65 mixing.
Preparation example 6
The modified emulsified asphalt is different from the preparation example 1 in that the weight ratio of the emulsified asphalt to the modified solution is 1: 0.8 mixing.
Preparation example 7
The modified emulsified asphalt is different from the preparation example 1 in that the weight ratio of the emulsified asphalt to the modified solution is 1: 1 and mixing.
Preparation example 8
The modified emulsified asphalt is characterized in that a modified liquid consists of a modified colloid and a modified filler in a weight ratio of 1: 0.1.
Preparation example 9
The modified emulsified asphalt is characterized in that a modified liquid consists of a modified colloid and a modified filler in a weight ratio of 1: 0.15.
Preparation example 10
The modified emulsified asphalt is characterized in that a modified liquid consists of a modified colloid and a modified filler in a weight ratio of 1: 0.2.
Preparation example 11
The modified emulsified asphalt is characterized in that a modified liquid consists of a modified colloid and a modified filler in a weight ratio of 1: 0.25.
Preparation example 12
A modified emulsified asphalt is different from the modified emulsified asphalt prepared in preparation example 1 in that a modified colloid is prepared from hyperbranched polyamide resin, starch and tributyl phosphate in a weight ratio of 1: 0.5: 0.05 composition.
Preparation example 13
A modified emulsified asphalt is different from the modified emulsified asphalt prepared in preparation example 1 in that a modified colloid is prepared from hyperbranched polyamide resin, starch and tributyl phosphate in a weight ratio of 1: 0.65: 0.10.
Preparation example 14
A modified emulsified asphalt is different from the modified emulsified asphalt prepared in preparation example 1 in that a modified colloid is prepared from hyperbranched polyamide resin, starch and tributyl phosphate in a weight ratio of 1: 0.8: 0.15.
Preparation example 15
A modified emulsified asphalt is different from the modified emulsified asphalt prepared in preparation example 1 in that a modified colloid is prepared from hyperbranched polyamide resin, starch and tributyl phosphate in a weight ratio of 1: 1: 0.2.
Preparation example 16
The modified emulsified asphalt is different from the preparation example 1 in that the modified filler is prepared from nano-silica micropowder and potassium silicate in a weight ratio of 1: 0.25.
Preparation example 17
The modified emulsified asphalt is different from the preparation example 1 in that the modified filler is prepared from nano-silica micropowder and potassium silicate in a weight ratio of 1: 0.5.
Preparation example 18
The modified emulsified asphalt is different from the preparation example 1 in that the modified filler is prepared from nano-silica micropowder and potassium silicate in a weight ratio of 1: 0.75 composition.
Preparation example 19
The modified emulsified asphalt is different from the preparation example 1 in that the modified filler is prepared from nano-silica micropowder and potassium silicate in a weight ratio of 1: 1.
Preparation example 20
The modified emulsified asphalt is different from the preparation example 1 in that the modified filler is prepared from nano-silica micropowder and potassium silicate in a weight ratio of 1: 1.25.
Examples
Example 1
The waterproof and impervious asphalt coating is prepared by the following steps of:
s1, dispersing acrylic emulsion, aggregate, pigment, water and modified emulsified asphalt according to corresponding parts by weight at 80 ℃ for 10min at a rotating speed of 1500 r/min;
s2, mixing the mixture in the S1 with a film forming aid and an anti-permeability agent according to the corresponding parts by weight at 500r/min for 10min to prepare a waterproof and anti-permeability asphalt coating;
the film-forming assistant is polyurethane;
the anti-permeability agent is sodium trimethylsilanolate.
Examples 2 to 6
A waterproof and impervious asphalt coating material which is different from that of example 1 in that the components and their respective weights are shown in table 1.
TABLE 1 Components and weights (kg) thereof in examples 1-6
Example 7
The waterproof and impervious asphalt coating is different from the waterproof and impervious asphalt coating in example 1 in that the preparation steps are as follows:
s1, dispersing acrylic emulsion, aggregate, pigment, water and modified emulsified asphalt according to corresponding parts by weight at 90 ℃ for 15min at a rotating speed of 1750 r/min;
s2, mixing the mixture in the S1 with a film forming aid and an anti-permeability agent according to the corresponding parts by weight for 15min at the condition of 650r/min to prepare the waterproof and anti-permeability asphalt coating.
Example 8
The waterproof and impervious asphalt coating is different from the waterproof and impervious asphalt coating in example 1 in that the preparation steps are as follows:
s1, dispersing acrylic emulsion, aggregate, pigment, water and modified emulsified asphalt according to corresponding parts by weight at 100 ℃ for 20min at a rotating speed of 2000 r/min;
and S2, mixing the mixture in the S1 with a film-forming aid and an anti-permeability agent according to the corresponding parts by weight for 20min under the condition of 800r/min to prepare the waterproof and anti-permeability asphalt coating.
Examples 9 to 27
A waterproof and impervious asphalt coating is different from that of example 1 in that the used conditions of the modified emulsified asphalt are different, and the specific corresponding relation is shown in Table 2.
TABLE 2 comparison of use cases of modified emulsified asphalts in examples 9-27
Example 28
A waterproof and impervious asphalt coating is different from the waterproof and impervious asphalt coating in example 1 in that a film-forming aid is carboxymethyl cellulose.
Example 29
The waterproof and impervious asphalt coating is different from the waterproof and impervious asphalt coating in example 1 in that a film-forming additive is prepared from polyurethane and carboxymethyl cellulose in a weight ratio of 1: 0.1.
Example 30
The waterproof and impervious asphalt coating is different from the waterproof and impervious asphalt coating in example 1 in that a film-forming additive is prepared from polyurethane and carboxymethyl cellulose in a weight ratio of 1: 0.2.
Example 31
The waterproof and impervious asphalt coating is different from the waterproof and impervious asphalt coating in example 1 in that a film-forming additive is prepared from polyurethane and carboxymethyl cellulose in a weight ratio of 1: 0.3.
Example 32
The waterproof and impervious asphalt coating is different from the waterproof and impervious asphalt coating in example 1 in that a film-forming additive is prepared from polyurethane and carboxymethyl cellulose in a weight ratio of 1: 0.4.
Example 33
The waterproof and impervious asphalt coating is different from the waterproof and impervious asphalt coating in example 1 in that a film-forming additive is prepared from polyurethane and carboxymethyl cellulose in a weight ratio of 1: 0.5.
Example 34
A waterproof and impervious asphalt coating, which is different from the coating in example 1 in that the impervious agent is sodium silicate.
Example 35
A waterproof and impervious asphalt coating which is different from the waterproof and impervious asphalt coating in example 1 in that a permeation resistant agent is prepared by mixing sodium trimethylsilanolate and sodium silicate in a weight ratio of 1: 0.4.
Example 36
A waterproof and impervious asphalt coating which is different from the waterproof and impervious asphalt coating in example 1 in that a permeation resistant agent is prepared by mixing sodium trimethylsilanolate and sodium silicate in a weight ratio of 1: 0.5.
Example 37
A waterproof and impervious asphalt coating which is different from the waterproof and impervious asphalt coating in example 1 in that a permeation resistant agent is prepared by mixing sodium trimethylsilanolate and sodium silicate in a weight ratio of 1: 0.6.
Example 38
A waterproof and impervious asphalt coating which is different from the waterproof and impervious asphalt coating in example 1 in that a permeation resistant agent is prepared by mixing sodium trimethylsilanolate and sodium silicate in a weight ratio of 1: 0.7.
Example 39
A waterproof and impervious asphalt coating which is different from the waterproof and impervious asphalt coating in example 1 in that a permeation resistant agent is prepared by mixing sodium trimethylsilanolate and sodium silicate in a weight ratio of 1: 0.8.
Comparative example
Comparative example 1
A waterproof and impervious asphalt paint is different from that of example 1 in that emulsified asphalt is not modified.
Comparative example 2
A waterproof and impervious asphalt coating which is different from the waterproof and impervious asphalt coating in example 1 in that the modified emulsified asphalt is prepared by the following preparation steps: the weight ratio of the emulsified asphalt to the modified liquid is 1: 0.3 at pH 2, vacuum-pumping, heating to 80 deg.C, and stirring at 2000r/min for 10 min.
Comparative example 3
A waterproof and impervious asphalt coating which is different from the waterproof and impervious asphalt coating in example 1 in that the modified emulsified asphalt is prepared by the following preparation steps: the weight ratio of the emulsified asphalt to the modified liquid is 1: 0.3 at pH 8, vacuum-pumping, heating to 140 deg.C, and stirring at 3000r/min for 40 min.
Comparative example 4
A waterproof and impervious asphalt coating is different from the waterproof and impervious asphalt coating in example 1 in that hyperbranched polyamide resin is not contained in modified colloid.
Comparative example 5
A waterproof and impervious asphalt coating is different from that of example 1 in that starch is not contained in the modified colloid.
Comparative example 6
A waterproof and impervious asphalt coating is different from that in example 1 in that tributyl phosphate is not contained in the modified colloid.
Comparative example 7
A waterproof and impervious asphalt coating is different from the waterproof and impervious asphalt coating in example 1 in that hyperbranched polyamide resin and starch are not contained in modified colloid.
Comparative example 8
A waterproof and impervious asphalt coating is different from that in example 1 in that hyperbranched polyamide resin and tributyl phosphate are not contained in modified colloid.
Comparative example 9
A waterproof and impervious asphalt coating is different from that in example 1 in that starch and tributyl phosphate are not contained in the modified colloid.
Performance test
The asphalt coatings prepared in examples 1 to 39 and comparative examples 1 to 9 were used as test objects, and each of the asphalt coatings was applied to three groups of the same test pieces, respectively, and subjected to a pressure permeation resistance test. The concrete detection steps and the detection standard refer to GB/T23445-2009 Polymer Cement waterproof coating, when two groups of test pieces in the three groups have water permeability, the test pieces are recorded as 'yes', and if not, the test pieces are recorded as 'no', and the results are recorded in Table 3.
Table 3 results of performance testing
As can be seen by combining examples 1 to 6, comparative example 1 and Table 3, examples 1 to 6 did not exhibit water permeation at a water permeation pressure of 0.6MPa, and showed strong water permeation resistance, wherein comparative example 1 exhibited water permeation at a water permeation pressure of 0.6MPa since modified emulsified asphalt was not used. Therefore, the addition of the modified emulsified asphalt improves the impermeability of the asphalt coating, and the maximum impermeability pressure of the impermeable asphalt coating prepared by adopting the component proportions in the example 3 is 1.2 MPa. Therefore, the anti-permeability asphalt coating prepared according to the proportion has good anti-permeability performance, long service life and difficult cracking and falling when being applied to building construction.
As can be seen by combining example 1, examples 7-8 and Table 3, examples 7-8 have no water penetration phenomenon at a water penetration pressure of 0.6MPa, and have strong water penetration resistance, wherein example 7 is a preferred example, and the maximum water penetration resistance of the water penetration resistant asphalt coating mixed by the process of example 7 is 0.9 MPa. Therefore, the process condition is the preferred process, and the anti-permeability asphalt coating prepared by the process has good anti-permeability performance.
It can be seen from the combination of example 1, examples 9-10 and table 3 that the water seepage phenomenon does not occur in examples 9-10 when the water seepage pressure is 0.6Mpa, and the water seepage resistance is strong, wherein example 9 is a preferred example, that is, the modified emulsified asphalt prepared by the process in preparation example 2 has a significant improvement on the asphalt coating anti-seepage performance, and the maximum water seepage resistance is 0.9 Mpa. Therefore, the process condition is the optimal process, and the three-dimensional reticular complex structure formed by the modified emulsified asphalt prepared by the process is the most compact and complex.
Combining example 1, examples 11-14 and table 3, it can be seen that, in examples 11-14, no water seepage occurs at a water seepage pressure of 0.6Mpa, and the water seepage resistance is strong, wherein example 12 is a preferred example, that is, the modified emulsified asphalt prepared by using the modified liquid and the emulsified asphalt in preparation example 5 has a remarkably improved water seepage resistance to the asphalt coating, and the maximum water seepage resistance is 0.9 Mpa. Therefore, the emulsified asphalt and the modified liquid in the proportion have the best combination effect, and an impervious waterproof layer formed by crosslinking the emulsified asphalt with the aggregate and the acrylic emulsion is thick, solid and compact.
It can be seen from the combination of example 1, examples 15-18 and table 3 that, in examples 15-18, no water seepage occurs at a water seepage pressure of 0.6Mpa, and the water seepage resistance is high, and example 16 is a preferred example, namely, the modified emulsified asphalt prepared by using the modified colloid and modified filler in preparation example 16 has a high improvement on the anti-seepage performance of the asphalt coating, and the maximum water seepage resistance is 0.9 Mpa. Therefore, the modified colloid and the modified filler in the proportion have the best combination effect, the modified filler can be fully combined on the three-dimensional reticular complex, the three-dimensional reticular complex has stronger combination capability and is more compact, and the anti-permeability performance of the asphalt coating is ensured.
As can be seen by combining example 1, examples 19 to 22, and comparative examples 2 to 7 with Table 3, examples 19 to 22 all exhibited no water permeation phenomenon and had strong water permeation resistance at a water permeation pressure of 0.6MPa, wherein in comparative examples 2 to 7, the maximum water permeation pressure was only 0.3MPa because three components were not used simultaneously. Compared with single component or mixture of two components, the three components are used simultaneously, and the anti-permeability effect is enhanced to different degrees.
Example 20 is a preferred example, that is, the modified colloid in preparation example 13 is a preferred mixture, and the maximum impervious strength can reach 1.5 Mpa. Therefore, the synergistic effect of the three components is the best under the condition of the mixture ratio, the three-dimensional reticular complex structure is complex, and meanwhile, the waterproof and anti-seepage layer formed by the three-dimensional reticular complex structure, the aggregate and the acrylic emulsion is the most compact and thick, so that the anti-seepage performance of the asphalt coating is guaranteed.
Combining example 1, examples 23-27 and table 3, it can be seen that, in examples 23-27, no water permeation occurs at a water permeation pressure of 0.6Mpa, and the water permeation resistance is high, wherein example 25 is a preferred example, that is, the modified filler in preparation example 18 is a preferred mixture, and the maximum water permeation resistance is 0.9 Mpa. Therefore, the modified filler in the proportion obviously improves the impermeability of the asphalt coating, and the addition of the nano silicon dioxide micro powder and the potassium silicate improves the impermeability of the coating to a certain extent.
As can be seen from the combination of example 1, examples 28 to 33 and Table 3, in examples 29 to 33, the water permeation pressure was 0.9MPa and the water permeation resistance was enhanced without the occurrence of water permeation.
Example 31 is a preferred example, that is, the film-forming assistant in the above ratio is a preferred ratio, and the maximum permeation resistance is 1.2Mpa, so that the synergistic effect of the polyurethane and the carboxymethyl cellulose is the best in the above ratio, and the film-forming assistant can assist in forming a film, and can be used as a filling component, so that the waterproof permeation-resistant layer has a thicker and more compact structure, and the permeation resistance of the asphalt coating is improved.
As can be seen from the combination of examples 1, 34-39 and Table 3, in examples 35-39, the water permeation pressure was 0.9MPa and the water permeation resistance was enhanced without the occurrence of water permeation after the simultaneous addition of the two components.
Example 37 is a preferred example, that is, the anti-permeability agent in the above formulation is a preferred formulation, and the water seepage phenomenon does not occur when the water seepage pressure is 0.9Mpa, and the water seepage resistance is significantly enhanced. Therefore, the synergistic cooperation effect of the sodium trimethylsilanolate and the sodium silicate in the proportion is good, the penetration crystallinity is good, and the sodium trimethylsilanolate and the sodium silicate have the characteristic of slight swelling, so that the compactness of the asphalt coating is further enhanced, and the anti-permeability performance of the asphalt coating is ensured through the formation of a hydrophobic layer.
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 (8)
1. The waterproof and impervious asphalt coating is characterized by comprising the following components in parts by weight:
100 parts of acrylic emulsion and 250 parts of acrylic emulsion;
50-150 parts of aggregate;
5-15 parts of pigment;
100 portions of water and 200 portions of water;
5-10 parts of a film-forming assistant;
3-5 parts of an anti-permeability agent;
50-100 parts of modified emulsified asphalt;
the preparation steps of the modified emulsified asphalt are as follows:
vacuumizing the emulsified asphalt and the modified solution under an acidic condition, heating to the temperature of 100-;
the pH value under acidic condition is 4-6;
the modifying solution consists of a modified colloid and a modified filler;
the modified colloid consists of hyperbranched polyamide resin, starch and tributyl phosphate.
2. The waterproof and impervious asphalt coating of claim 1, wherein said modified colloid is prepared from hyperbranched polyamide resin, starch and tributyl phosphate in a weight ratio of 1: (0.5-0.8): (0.05-0.15).
3. The waterproof and impervious asphalt coating of claim 1, wherein the weight ratio of the emulsified asphalt to the modifying solution is 1: (0.5-0.8).
4. The waterproof and impervious asphalt coating of claim 1, wherein the modifying solution is prepared from a modifying colloid and a modifying filler in a weight ratio of 1: (0.1-0.2).
5. The waterproof and impervious asphalt coating as claimed in claim 1, wherein said modified filler is prepared from nano-silica micropowder and potassium silicate in a weight ratio of 1: (0.5-1.0).
6. The waterproof and impervious asphalt coating material as claimed in claim 1, wherein the film-forming assistant is prepared from polyurethane and carboxymethyl cellulose in a weight ratio of 1: (0.2-0.4).
7. The waterproof and impervious asphalt coating of claim 1, wherein said impervious agent is prepared from sodium trimethylsilanolate and sodium silicate in a weight ratio of 1: (0.5-0.7).
8. The method for preparing the waterproof and impervious asphalt coating of any one of claims 1 to 7, which is characterized by comprising the following steps:
s1, dispersing acrylic emulsion, aggregate, pigment, water and modified emulsified asphalt according to the corresponding parts by weight at 80-100 ℃ at the rotating speed of 1500-2000r/min for 10-20min;
s2, mixing the mixture in the S1 with a film forming aid and an anti-permeability agent according to the corresponding parts by weight under the condition of 500-800r/min for 10-20min to prepare the waterproof and anti-permeability asphalt coating.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113956729A (en) * | 2021-11-17 | 2022-01-21 | 上海阿宝实业有限公司 | Waterproof impervious coating and preparation method thereof |
| CN114045079A (en) * | 2021-11-26 | 2022-02-15 | 上海里德化工有限公司 | Waterproof coating and preparation method thereof |
| CN115282822A (en) * | 2022-09-06 | 2022-11-04 | 山东鸣海防水集团有限公司 | Root puncture-resistant spraying quick-setting liquid rubber HO waterproof coating and preparation device thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2515309Y (en) * | 2002-01-10 | 2002-10-09 | 上海广顺环保技术有限公司 | Fire-proof plate |
| CN106700680A (en) * | 2016-12-07 | 2017-05-24 | 浙江加州国际纳米技术研究院台州分院 | Preparing method of modified waterborne zinc-enriched coating |
| CN107075712A (en) * | 2014-10-24 | 2017-08-18 | 巴斯夫欧洲公司 | Change solid particle surface charge non-both sexes, can quaternary and water-soluble polymer |
| CN108033715A (en) * | 2017-11-10 | 2018-05-15 | 安徽嘉中金属材料有限公司 | A kind of high strength polymer Composite Emulsified Asphalt mortar and preparation method thereof |
| CN108892960A (en) * | 2018-07-26 | 2018-11-27 | 江苏增光复合材料科技有限公司 | A kind of ultra-thin wearing layer modified emulsifying asphalt and preparation method thereof |
| CN111100555A (en) * | 2019-12-30 | 2020-05-05 | 苏州佳固士新材料科技有限公司 | Water-based penetration self-healing high polymer modified asphalt waterproof coating with hydrophobic surface and preparation method and application thereof |
| KR20200110104A (en) * | 2019-03-12 | 2020-09-23 | 김영철 | Asphalt primer having improved freezing resistance |
-
2021
- 2021-07-08 CN CN202110773490.9A patent/CN113621281B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2515309Y (en) * | 2002-01-10 | 2002-10-09 | 上海广顺环保技术有限公司 | Fire-proof plate |
| CN107075712A (en) * | 2014-10-24 | 2017-08-18 | 巴斯夫欧洲公司 | Change solid particle surface charge non-both sexes, can quaternary and water-soluble polymer |
| CN106700680A (en) * | 2016-12-07 | 2017-05-24 | 浙江加州国际纳米技术研究院台州分院 | Preparing method of modified waterborne zinc-enriched coating |
| CN108033715A (en) * | 2017-11-10 | 2018-05-15 | 安徽嘉中金属材料有限公司 | A kind of high strength polymer Composite Emulsified Asphalt mortar and preparation method thereof |
| CN108892960A (en) * | 2018-07-26 | 2018-11-27 | 江苏增光复合材料科技有限公司 | A kind of ultra-thin wearing layer modified emulsifying asphalt and preparation method thereof |
| KR20200110104A (en) * | 2019-03-12 | 2020-09-23 | 김영철 | Asphalt primer having improved freezing resistance |
| CN111100555A (en) * | 2019-12-30 | 2020-05-05 | 苏州佳固士新材料科技有限公司 | Water-based penetration self-healing high polymer modified asphalt waterproof coating with hydrophobic surface and preparation method and application thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113956729A (en) * | 2021-11-17 | 2022-01-21 | 上海阿宝实业有限公司 | Waterproof impervious coating and preparation method thereof |
| CN114045079A (en) * | 2021-11-26 | 2022-02-15 | 上海里德化工有限公司 | Waterproof coating and preparation method thereof |
| CN115282822A (en) * | 2022-09-06 | 2022-11-04 | 山东鸣海防水集团有限公司 | Root puncture-resistant spraying quick-setting liquid rubber HO waterproof coating and preparation device thereof |
| CN115282822B (en) * | 2022-09-06 | 2024-04-26 | 山东鸣海防水集团有限公司 | Root penetration resistant spray quick-setting liquid rubber HO waterproof paint and preparation device thereof |
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