CN113004794B - High-performance modified asphalt waterproof coating and preparation method thereof - Google Patents
High-performance modified asphalt waterproof coating and preparation method thereof Download PDFInfo
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- CN113004794B CN113004794B CN202110250301.XA CN202110250301A CN113004794B CN 113004794 B CN113004794 B CN 113004794B CN 202110250301 A CN202110250301 A CN 202110250301A CN 113004794 B CN113004794 B CN 113004794B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D195/00—Coating compositions based on bituminous materials, e.g. asphalt, tar, pitch
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention discloses a high-performance modified asphalt waterproof coating and a preparation method thereof, wherein the high-performance modified asphalt waterproof coating comprises the following components in parts by weight: 40-50 parts of emulsified asphalt, 20-30 parts of latex, 30-40 parts of acrylic emulsion, 0.1-0.2 part of bactericide, 0.1-0.2 part of defoaming agent and 0.5-1 part of thickening agent; the preparation method of the emulsified asphalt comprises the following steps: and mixing and emulsifying 35-45 parts of soap solution and 55-65 parts of modified asphalt to obtain the emulsified asphalt. The coating prepared by the invention has the characteristics of high strength, high elongation and high adhesion even at high temperature, solves the problem of slippage of a non-cured rubber asphalt waterproof coating and a coiled material composite waterproof system, can be independently used as a waterproof layer to play a role of a liquid coiled material, is suitable for waterproof and moistureproof construction of projects such as roofs, basements, floors, kitchens and bathrooms, does not need heating in the construction process, and is safe and environment-friendly.
Description
Technical Field
The invention relates to the technical field of waterproof coatings, in particular to a high-performance modified asphalt waterproof coating and a preparation method thereof.
Background
The high-viscosity and anti-slip waterborne high polymer modified asphalt waterproof coating is a novel waterproof material, has the advantages of high strength, high elongation, high bonding strength, high temperature resistance, capability of being constructed on a wet surface, environmental protection and the like, is particularly suitable for waterproof parts of the vertical surface of a side wall, is applied to the waterproofing of the side wall by a roll coating composite waterproof system consisting of a coiled material, and accords with the new trend of the development of the global waterproof market.
The traditional non-curing rubber asphalt waterproof coating keeps creep property and cohesiveness all the time in the service life, and a coating and rolling composite waterproof system formed by the coating and rolling composite waterproof coating and a coiled material is widely applied in recent years. However, in the side wall waterproofing system, the strength of the bonding between the coil and the base surface through the non-cured rubber asphalt waterproofing paint is very weak, and the backfilling soil sinking caused by the wild backfilling on the construction site can damage the waterproofing system, so that the coil slides and even falls off. Especially in hot summer, the surface of the coiled material can reach over 70 ℃ through the insolation temperature of sunlight, and the non-cured rubber asphalt waterproof coating basically loses the bonding capability, so that the coiled material can fall off in a large area. In addition, the non-cured rubber asphalt waterproof coating needs to be heated in the construction process, a large amount of smoke is generated, the performance of the material is reduced, the environment is polluted, the health of workers is harmed, and potential safety hazards are caused.
Disclosure of Invention
The invention aims to provide a high-performance modified asphalt waterproof coating and a preparation method thereof, the material has the characteristics of high strength, high elongation and high adhesion, the coating still maintains high adhesion force even at high temperature in summer with a composite waterproof system formed by a coiled material, the slippage problem of the non-cured rubber asphalt waterproof coating and the composite waterproof system of the coiled material is solved, and the high-performance modified asphalt waterproof coating is safe and environment-friendly without heating in the construction process. Meanwhile, the coating can be independently used as a waterproof layer to play a role of a liquid coiled material, and is suitable for waterproof and moistureproof construction of roof, basement, garage, floor, kitchen and toilet and other projects.
In order to achieve the purpose, the invention provides a high-performance modified asphalt waterproof coating which comprises the following components in parts by weight: 40-50 parts of emulsified asphalt, 20-30 parts of latex, 30-40 parts of acrylic emulsion, 0.1-0.2 part of bactericide, 0.1-0.2 part of defoaming agent and 0.5-1 part of thickening agent;
the preparation method of the emulsified asphalt comprises the following steps:
and mixing and emulsifying 35-45 parts of soap solution and 55-65 parts of modified asphalt to obtain the emulsified asphalt.
The beneficial effect who adopts above-mentioned scheme is: the prepared modified emulsified asphalt enhances the low-temperature performance, extensibility, strength and adhesive property of asphalt, and has the advantages of low viscosity, good fluidity and normal-temperature construction. The emulsified asphalt is matched with other additives, and the prepared waterproof coating has the characteristics of high strength, high elongation and high cohesiveness.
Further, the paint comprises the following components in parts by weight: 45 parts of emulsified asphalt, 25 parts of latex, 35 parts of acrylic emulsion, 0.15 part of bactericide, 0.15 part of defoaming agent and 0.75 part of thickening agent;
the preparation method of the emulsified asphalt comprises the following steps: and mixing and emulsifying 40 parts of soap solution and 60 parts of modified asphalt to obtain the emulsified asphalt.
Further, the latex is styrene-butadiene latex or chloroprene latex.
Further, the acrylic emulsion is at least one of styrene-acrylic emulsion, vinyl acetate-acrylic emulsion, silicone-acrylic emulsion and pure acrylic emulsion.
Further, the bactericide is a Kathon bactericide, the defoaming agent is an organic silicon defoaming agent, and the thickening agent is a polyurethane thickening agent.
Further, the soap solution is prepared by the following method: mixing 1-3 parts of emulsifier and 37-39 parts of distilled water, and heating to 50-60 ℃ to obtain the emulsifier; wherein the emulsifier is anionic asphalt emulsifier.
Further, the modified asphalt comprises the following components in parts by weight: 2-5 parts of engine oil, 2-5 parts of aromatic oil, 70-90 parts of asphalt, 3-5 parts of SBR and 1-4 parts of SBS.
The beneficial effect who adopts above-mentioned scheme is: the low-temperature performance of the modified asphalt can be effectively improved through the engine oil, the low-temperature and bonding performance of the modified asphalt can be improved through the aromatic oil, the asphalt is used as a base material, the low-temperature performance, extensibility and bonding performance of the modified asphalt can be improved through the SBR, and the low-temperature performance, heat resistance and strength of the modified asphalt can be improved through the SBS; the modifier which has a synergistic effect on the asphalt improves the performance defects of the asphalt. Wherein the engine oil is one of Changchengfuxing L-TSA100 turbine oil L-TSA32 antirust turbine oil, and the aromatic oil is one or more of aromatic oil special for modified asphalt 70# of Shandong Furun Runda chemical Co., Ltd, waterproof paint special for Shandong Ying Manteke petrochemical Co., Ltd, aromatic oil A60# of Guangdong Wanhong Jiuding Petroleum science and technology Co., Ltd or aromatic oil of petroleum fuel asphalt Limited liability company RA5 of Foshan Gaofu. The SBR is one of a Shandong Yingyuan chemical engineering and technology company PSBR, a Shandong Qianglong environmental protection and technology company PSBR or a Shandong Gao Ke Mao Co Ltd PSBR, and the SBS is one of a ba Ling petrochemical YH-792, an LG chemical LG501 or a ba Ling petrochemical SIS 1105.
Further, the modified asphalt is prepared by the following method: mixing the engine oil, the aromatic oil and the asphalt according to the weight parts, heating to 160 ℃ for 150 ℃, adding SBR, stirring for 30min, then continuing heating to 190 ℃ for 180 ℃, adding SBS, continuing stirring for 1.5h, then shearing at high speed for 2h, and then stirring at a constant temperature to obtain the composite material.
Further, the rotation speed of the shearing treatment is 8000r/min, the temperature of the heat preservation stirring is 180-.
Further, the preparation method of the high-performance modified asphalt waterproof coating comprises the following steps: mixing and stirring emulsified asphalt, latex, acrylic emulsion, bactericide, defoaming agent and thickening agent for 20-40min according to the weight parts.
In summary, the invention has the following advantages:
1. the low-temperature performance, extensibility, heat resistance, strength and bonding performance of the asphalt can be enhanced by modifying the asphalt, so that the performance of the emulsified asphalt is improved;
2. the adhesion, ageing resistance and waterproof capability of the asphalt can be further improved by emulsifying the modified asphalt;
3. the prepared waterproof coating still keeps high adhesive force even at high temperature in summer, solves the problem of slippage of a non-cured rubber asphalt waterproof coating and a coiled material composite waterproof system, does not need heating in the construction process, and is safe and environment-friendly;
4. the coating can also be used as an independent waterproof layer, is simple to construct, can be firmly bonded with a base surface, and forms a stable and overall seamless waterproof layer.
Detailed Description
Example 1
The invention provides a high-performance modified asphalt waterproof coating which comprises the following components in parts by weight: 40 parts of emulsified asphalt, 20 parts of latex, 30 parts of acrylic emulsion, 0.1 part of bactericide, 0.1 part of defoaming agent and 0.5 part of thickening agent (the parts are not particularly specified and are calculated by weight parts).
The preparation method of the high-performance modified asphalt waterproof coating comprises the following steps:
(1) preparation of modified asphalt
2 parts of L-TSA100 engine oil, 2 parts of Guangdong Wanhong Jiuding oil technology Co Ltd A60# aromatic oil and 70 parts of asphalt are mixed and heated to 150 ℃, 3 parts of Shandong Jiangyuan chemical technology Co Ltd PSBR are added to be stirred for 30min and then heated to 180 ℃, 1 part of Baling petrifaction YH-792SBS is added to be stirred for 1.5h, and then the mixture is stirred for 30min at 180 ℃ after being subjected to high-speed shearing treatment at 8000r/min for 2 h.
(2) Preparing soap liquid
Mixing 1 part of Rongqiao anionic asphalt emulsifier and 37 parts of distilled water, heating the mixed solution to 50 ℃, and uniformly stirring.
(3) Emulsification of modified bitumen
And discharging the hot water after circularly cleaning the colloid mill, adding 40 parts of soap solution into the colloid mill, starting the colloid mill, and then adding 60 parts of modified asphalt for emulsification to prepare the emulsified asphalt.
(4) Preparation of the finished product
The emulsified asphalt, styrene-butadiene latex, styrene-acrylic emulsion, Kathon bactericide, organic silicon defoamer and polyurethane thickener are mixed and stirred for 30 minutes according to the proportion, and the high-performance modified asphalt waterproof coating is prepared.
Example 2
The invention provides a high-performance modified asphalt waterproof coating which comprises the following components in parts by weight: 45 parts of emulsified asphalt, 25 parts of latex, 35 parts of acrylic emulsion, 0.2 part of bactericide, 0.2 part of defoaming agent and 1 part of thickening agent.
The preparation method of the high-performance modified asphalt waterproof coating comprises the following steps:
(1) preparation of modified asphalt
Mixing 4 parts of L-TSA32 antirust turbine oil, 3 parts of aromatic oil special for waterproof paint of Shandong Dongmeng Tex petrochemical engineering limited company and 80 parts of asphalt, heating to 150 ℃, adding 4 parts of PSBR of Shandong Qiaolong environmental protection science and technology limited company, stirring for 30min, then heating to 185 ℃, adding 3 parts of LG chemical LG501 SBS, stirring for 1.5h, then carrying out high-speed shearing treatment for 2h at 8000r/min, and stirring for 30min at 185 ℃.
(2) Preparing soap liquid
2 parts of KZW-803Y type anionic asphalt emulsifier manufactured by Tianjin Kangjerry science and technology Limited company and 38 parts of distilled water are mixed, heated to 55 ℃, and stirred uniformly.
(3) Emulsification of modified bitumen
And discharging the hot water after the colloid mill is circularly cleaned by using hot water, adding 40 parts of soap solution into the colloid mill, starting the colloid mill, and then adding 60 parts of modified asphalt for emulsification to prepare the emulsified asphalt.
(4) Preparation of the finished product
Mixing and stirring the emulsified asphalt, neoprene latex, silicone-acrylic emulsion, a kasong bactericide, an organic silicon defoamer and a CB-950 polyurethane thickener according to a proportion for 30 minutes to obtain the high-performance modified asphalt waterproof coating.
Example 3
The invention provides a high-performance modified asphalt waterproof coating which comprises the following components in parts by weight: 50 parts of emulsified asphalt, 30 parts of latex, 40 parts of acrylic emulsion, 0.2 part of bactericide, 0.2 part of defoaming agent and 1 part of thickening agent.
The preparation method of the high-performance modified asphalt waterproof coating comprises the following steps:
(1) preparation of modified asphalt
5 parts of great wall Fumanxing L-TSA100 turbine oil, 5 parts of Guangdong Wanhong Jiuding oil science and technology Limited company A60# aromatic oil and 90 parts of asphalt are mixed and heated to 160 ℃, 5 parts of Shandong Gaojiu Kong PSBR are added and stirred for 30min, then the temperature is continuously raised to 190 ℃, 4 parts of Balng petrochemical YH-792SBS are added and stirred for 1.5h, and then the mixture is stirred for 30min at 190 ℃ after being subjected to high-speed shearing treatment at 8000r/min for 2 h.
(2) Preparing soap liquid
1 part of anionic asphalt emulsifier of Jinan Shengquan group GmbH and 39 parts of distilled water are mixed, heated to 60 ℃, and stirred uniformly.
(3) Emulsification of modified bitumen
And discharging the hot water after the colloid mill is circularly cleaned by using hot water, adding 40 parts of soap solution into the colloid mill, starting the colloid mill, and then adding 60 parts of modified asphalt for emulsification to prepare the emulsified asphalt.
(4) Preparation of the finished product
And mixing and stirring the emulsified asphalt, styrene-butadiene latex, pure acrylic emulsion, a kaempferia disinfectant, an organic silicon defoamer and a CB-902 polyurethane thickener according to a proportion for 30 minutes to obtain the high-performance modified asphalt waterproof coating.
Comparative example
A preparation method of a modified asphalt waterproof coating comprises the following steps:
(1) preparation of bitumen
The asphalt is heated to 130 ℃ for standby.
(2) Preparing soap liquid
2 parts of KZW-803Y type anionic asphalt emulsifier manufactured by Tianjin Kangjerry science and technology Limited company and 38 parts of distilled water are mixed, heated to 55 ℃, and stirred uniformly.
(3) Emulsified asphalt
And (3) circularly cleaning the colloid mill with hot water, discharging, adding 40 parts of soap solution into the colloid mill, starting the colloid mill, and then adding 60 parts of asphalt for emulsification to prepare the emulsified asphalt.
(4) Preparing the final product
Mixing the emulsified asphalt with neoprene latex, silicone-acrylic emulsion, a kasong bactericide, an organic silicon defoamer and a CB-950 polyurethane thickener according to a mass ratio of 45: mixing and stirring the components in a ratio of 25:35:0.2:0.2:1 for 30 minutes to obtain the high-performance modified asphalt waterproof coating.
The performance of the high-performance modified asphalt waterproof coatings prepared in example 2 and the comparative example was tested, and the test results are shown in table 1:
TABLE 1 Performance data for high Performance modified asphalt waterproofing coatings
As can be seen from Table 1, the indexes of the high-performance modified asphalt waterproof coating prepared by the method in example 2 exceed the standard requirements of JC/T408 and 2005 water-emulsion asphalt waterproof coating, and the high-performance modified asphalt waterproof coating shows very high performance. Compared with a comparative example, the asphalt is not modified, and the performances of the prepared waterproof coating in the aspects of elongation at break, low-temperature flexibility and adhesive strength are far lower than those of the material prepared by the invention. The coating prepared by the invention does not need heating during construction, can be constructed on a wet base surface, and has good bonding effect and high peel strength between the material and the base layer. Not only can form a composite waterproof system with the coiled material, but also can be independently used as a waterproof layer.
While the present invention has been described in detail with reference to the specific embodiments thereof, it should not be construed as limited by the scope of the present patent. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.
Claims (7)
1. The high-performance modified asphalt waterproof coating is characterized by comprising the following components in parts by weight: 40-50 parts of emulsified asphalt, 20-30 parts of latex, 30-40 parts of acrylic emulsion, 0.1-0.2 part of bactericide, 0.1-0.2 part of defoaming agent and 0.5-1 part of thickening agent;
the emulsified asphalt is prepared by the following method:
mixing 35-45 parts by weight of soap solution and 55-65 parts by weight of modified asphalt for emulsification to prepare emulsified asphalt; the modified asphalt comprises the following components in parts by weight: 2-5 parts of engine oil, 2-5 parts of aromatic oil, 70-90 parts of asphalt, 3-5 parts of SBR and 1-4 parts of SBS; the low-temperature performance of the modified asphalt can be effectively improved through the engine oil, and the low-temperature and bonding performance of the modified asphalt can be improved through the aromatic oil;
the soap solution is prepared by the following method: mixing 1-3 parts by weight of emulsifier and 37-39 parts by weight of distilled water, and heating to 50-60 ℃ to obtain the emulsion; wherein the emulsifier is an anionic asphalt emulsifier;
the modified asphalt is prepared by the following method: mixing the engine oil, the aromatic oil and the asphalt according to the weight parts, heating to 160 ℃ for 150 ℃, adding SBR, stirring for 30min, then heating to 190 ℃ for 180 ℃, adding SBS, stirring for 1.5h, then shearing for 2h, and then keeping the temperature and stirring to obtain the composite material.
2. The high-performance modified asphalt waterproof coating material as claimed in claim 1, which comprises the following components in parts by weight: 45 parts of emulsified asphalt, 25 parts of latex, 35 parts of acrylic emulsion, 0.15 part of bactericide, 0.15 part of defoaming agent and 0.75 part of thickening agent;
the emulsified asphalt is prepared by the following method:
and mixing and emulsifying 40 parts by weight of soap solution and 60 parts by weight of modified asphalt to obtain the emulsified asphalt.
3. The high-performance modified asphalt waterproof coating material according to claim 1 or 2, wherein the latex is styrene-butadiene latex or chloroprene latex.
4. The high-performance modified asphalt waterproof coating material according to claim 1 or 2, wherein the acrylic emulsion is at least one of a styrene-acrylic emulsion, an acrylic emulsion, a silicone-acrylic emulsion and a pure acrylic emulsion.
5. The high-performance modified asphalt waterproof coating material as claimed in claim 1 or 2, wherein the bactericide is a kaempferol bactericide, the defoamer is an organosilicon defoamer, and the thickener is a polyurethane thickener.
6. The high-performance modified asphalt waterproof coating as claimed in claim 1, wherein the rotation speed of the shearing treatment is 8000r/min, the temperature of the heat preservation stirring is 180-.
7. The method for preparing the high-performance modified asphalt waterproof coating material according to any one of claims 1 to 6, characterized by comprising the steps of: mixing and stirring emulsified asphalt, latex, acrylic emulsion, bactericide, defoaming agent and thickening agent for 20-40min according to the weight parts.
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| CN113667404B (en) * | 2021-09-06 | 2022-10-28 | 河北三棵树涂料有限公司 | High-viscosity water-based asphalt waterproof coating and preparation method thereof |
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| CN116535974A (en) * | 2023-05-11 | 2023-08-04 | 湖南神宇新材料有限公司 | Rubber waterproof coating and preparation method and application thereof |
| CN117210135A (en) * | 2023-10-11 | 2023-12-12 | 北新防水(广东)有限公司 | High-viscosity multipurpose emulsified asphalt waterproof paint and preparation method thereof |
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Denomination of invention: A high-performance modified asphalt waterproof coating and its preparation method Effective date of registration: 20230831 Granted publication date: 20220429 Pledgee: Shouguang zhangnongshang Village Bank Co.,Ltd. Pledgor: HONGYUAN WATERPROOF TECHNOLOGY GROUP Co.,Ltd. Registration number: Y2023980054785 |
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