CN112521858A - Modified asphalt liquid waterproof coiled material and preparation method thereof - Google Patents
Modified asphalt liquid waterproof coiled material and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D195/00—Coating compositions based on bituminous materials, e.g. asphalt, tar, pitch
- C09D195/005—Aqueous compositions, e.g. emulsions
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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
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2203—Oxides; Hydroxides of metals of lithium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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
- C08L2201/22—Halogen free composition
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Abstract
The invention relates to the technical field of asphalt waterproof coiled materials, in particular to a modified asphalt liquid waterproof coiled material which is composed of the following components in parts by weight: 35-65 parts of emulsified asphalt, 25-35 parts of acrylic emulsion, 0.5-3 parts of lithium oxide aerosol, 15-25 parts of filler, 0.2-2 parts of methyl glucoside sesquistearate, 2-5 parts of cryolite, 2-7 parts of potassium naphthenate, 5-18 parts of water, 0.2-0.5 part of defoaming agent, 0.3-1 part of thickening agent, 0.2-1 part of preservative and 1-4 parts of dispersing agent; the spraying, brushing or rolling is an integral construction integral film forming, and the later water leakage phenomenon caused by the lap joint problem of the traditional coiled material can be avoided.
Description
Technical Field
The invention relates to the technical field of asphalt waterproof coiled materials, in particular to a modified asphalt liquid waterproof coiled material and a preparation method thereof.
Background
The waterproof coiled material is mainly used for building walls, roofs, tunnels, highways, refuse landfills and the like, can be curled into a roll-shaped flexible building material product for resisting external rainwater and underground water leakage, is used as a leakage-free connection between an engineering foundation and a building, is a waterproof first barrier of the whole engineering, and plays a vital role in the whole engineering.
The waterproof coiled material has the advantages that the waterproof coiled material is naturally required to be higher in using effect in places with higher waterproof requirements, such as home decoration roofs, bathrooms, kitchens, balconies, walls and the like, but the existing coiled material product is low in toughness and poor in bonding strength, is easy to break and damage or fall off under the action of external tensile stress, loses the waterproof effect, and cannot meet the application in various scenes.
Therefore, we propose a modified asphalt liquid waterproof coiled material and a preparation method thereof to solve the above problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a modified asphalt liquid waterproof coiled material and a preparation method thereof.
A modified asphalt liquid waterproof coiled material comprises the following components in parts by weight: 35-65 parts of emulsified asphalt, 25-35 parts of acrylic emulsion, 0.5-3 parts of lithium oxide aerosol, 15-25 parts of filler, 0.2-2 parts of methyl glucoside sesquistearate, 2-5 parts of cryolite, 2-7 parts of potassium naphthenate, 5-18 parts of water, 0.2-0.5 part of defoaming agent, 0.3-1 part of thickening agent, 0.2-1 part of preservative and 1-4 parts of dispersing agent.
Preferably, the composition consists of the following components in parts by weight: 45 parts of emulsified asphalt, 30 parts of olefine acid emulsion, 2 parts of lithium oxide aerosol, 20 parts of filler, 1 part of methyl glucoside sesquistearate, 3.5 parts of cryolite, 4 parts of potassium naphthenate, 10 parts of water, 0.3 part of defoaming agent, 0.6 part of thickening agent, 0.8 part of preservative and 2 parts of dispersing agent.
Preferably, the emulsified asphalt is zwitterionic emulsified asphalt with the solid content of 45-55%.
Preferably, one or two of the coarse whiting powder and the quartz powder are mixed in any proportion, and the fineness is 600 meshes.
Preferably, the cryolite fineness is 400 meshes.
Preferably, the dispersant is a sodium oleate dispersant, and the defoaming agent is a mineral oil or organic silicon defoaming agent.
Preferably, the thickener is an acrylic acid associative thickener, and the preservative is an s-triazine preservative.
Preferably, the preparation method of the modified asphalt liquid waterproof roll comprises the following steps:
s1, weighing each component for later use according to the formula of the modified asphalt liquid waterproof coiled material;
s2, adding the acrylic emulsion, starting a stirrer, stirring at a rotating speed of 200-300 r/min, sequentially adding the dispersing agent, the defoaming agent, the preservative, the methyl glucoside sesquistearate and the potassium naphthenate, and keeping stirring for 5 minutes;
s3, after stirring uniformly, adding a filler, cryolite and lithium oxide aerosol, increasing the rotating speed to 400-600 r/min, and keeping stirring for 20-30 minutes;
s4, adding emulsified asphalt, and stirring at a low speed of 200-300 r/min for 5 minutes;
and S5, finally adding purified water, uniformly stirring, slowly adding a thickener diluted by water, increasing the rotating speed to 400-600 r/min, and continuously stirring for 15 minutes to obtain the modified asphalt liquid waterproof coiled material.
Preferably, in the step S3, the stirring process is performed under a negative pressure environment, and the pressure inside the tank is between-0.1 MPa and-0.05 MPa.
The invention has the beneficial effects that:
1. the modified asphalt liquid waterproof coiled material is in a liquid state, can be used in a mode of brush coating, roller rolling coating or spray gun spraying during construction, can reduce the labor intensity of constructors and improve the construction efficiency; the spraying, brushing or rolling is an integral construction integral film forming, and the later water leakage phenomenon caused by the lap joint problem of the traditional coiled material can be avoided.
2. According to the invention, methyl glucoside sesquistearate is added in the formula, and the methyl glucoside sesquistearate not only can improve the emulsification effect of the waterproof coiled material, but also can effectively improve the bonding strength of the waterproof coiled material, and the bonding strength of the waterproof coiled material is up to 3.1 MPa.
3. According to the invention, the lithium oxide aerosol is added in the formula, the lithium oxide aerosol has small particle size and high strength, has good fusion with acrylic emulsion and emulsified asphalt, is filled in gaps between the filler and the cryolite, supplements and strengthens the filling effect of the filler and the cryolite, and can form a protective net among the lithium oxide aerosol, the filler and the cryolite in the waterproof roll, so that the toughness of the waterproof roll can be effectively improved.
4. According to the invention, the potassium naphthenate is added in the formula, so that the waterproof roll has certain flame retardant property, halogen-free flame retardance is safer and more environment-friendly, and the cryolite can also play a flame retardant role while being used as an auxiliary filler, so that the flame retardant effect of the waterproof roll is further improved.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
In example 1, a modified asphalt liquid waterproof roll material is composed of the following components in parts by weight: 35 parts of emulsified asphalt, 25 parts of acrylic emulsion, 0.5 part of lithium oxide aerosol, 15 parts of filler, 0.2 part of methyl glucoside sesquistearate, 2 parts of cryolite, 2 parts of potassium naphthenate, 5 parts of water, 0.2 part of defoaming agent, 0.3 part of thickening agent, 0.2 part of preservative and 1 part of dispersing agent.
Further, the emulsified asphalt is zwitterionic emulsified asphalt with solid content of 45-55%.
Further, one or two of coarse whiting powder and quartz powder are mixed according to any proportion, and the fineness is 600 meshes.
Furthermore, the fineness of the cryolite is 400 meshes.
Further, the dispersing agent is sodium oleate dispersing agent, and the defoaming agent is mineral oil or organic silicon defoaming agent.
Further, the thickening agent is an acrylic acid associative thickening agent, and the preservative is an s-triazine preservative.
In embodiment 2, a modified asphalt liquid waterproof roll comprises the following components in parts by weight: 65 parts of emulsified asphalt, 35 parts of acrylic emulsion, 3 parts of lithium oxide aerosol, 25 parts of filler, 2 parts of methyl glucoside sesquistearate, 5 parts of cryolite, 7 parts of potassium naphthenate, 18 parts of water, 0.5 part of defoaming agent, 1 part of thickening agent, 1 part of preservative and 4 parts of dispersing agent.
Further, the emulsified asphalt is zwitterionic emulsified asphalt with solid content of 45-55%.
Further, one or two of coarse whiting powder and quartz powder are mixed according to any proportion, and the fineness is 600 meshes.
Furthermore, the fineness of the cryolite is 400 meshes.
Further, the dispersing agent is sodium oleate dispersing agent, and the defoaming agent is mineral oil or organic silicon defoaming agent.
Further, the thickening agent is an acrylic acid associative thickening agent, and the preservative is an s-triazine preservative.
In example 3, a modified asphalt liquid waterproof roll comprises the following components in parts by weight: 45 parts of emulsified asphalt, 30 parts of olefine acid emulsion, 2 parts of lithium oxide aerosol, 20 parts of filler, 1 part of methyl glucoside sesquistearate, 3.5 parts of cryolite, 4 parts of potassium naphthenate, 10 parts of water, 0.3 part of defoaming agent, 0.6 part of thickening agent, 0.8 part of preservative and 2 parts of dispersing agent.
Further, the emulsified asphalt is zwitterionic emulsified asphalt with solid content of 45-55%.
Further, one or two of coarse whiting powder and quartz powder are mixed according to any proportion, and the fineness is 600 meshes.
Furthermore, the fineness of the cryolite is 400 meshes.
Further, the dispersing agent is sodium oleate dispersing agent, and the defoaming agent is mineral oil or organic silicon defoaming agent.
Further, the thickening agent is an acrylic acid associative thickening agent, and the preservative is an s-triazine preservative.
In embodiments 1 to 3, a method for preparing a modified asphalt liquid waterproof roll includes the following steps:
s1, weighing each component for later use according to the formula of the modified asphalt liquid waterproof coiled material;
s2, adding the acrylic emulsion, starting a stirrer, stirring at a rotating speed of 200-300 r/min, sequentially adding the dispersing agent, the defoaming agent, the preservative, the methyl glucoside sesquistearate and the potassium naphthenate, and keeping stirring for 5 minutes;
s3, after stirring uniformly, adding a filler, cryolite and lithium oxide aerosol, increasing the rotating speed to 400-600 r/min, and keeping stirring for 20-30 minutes;
s4, adding emulsified asphalt, and stirring at a low speed of 200-300 r/min for 5 minutes;
and S5, finally adding purified water, uniformly stirring, slowly adding a thickener diluted by water, increasing the rotating speed to 400-600 r/min, and continuously stirring for 15 minutes to obtain the modified asphalt liquid waterproof coiled material.
Further, in S3, the stirring process is performed under a negative pressure environment, and the pressure inside the tank body is-0.1 MPa to-0.05 MPa.
In comparative example 1, a modified asphalt liquid waterproof roll material is composed of the following components in parts by weight: 45 parts of emulsified asphalt, 30 parts of olefine acid emulsion, 2 parts of lithium oxide aerosol, 20 parts of filler, 3.5 parts of cryolite, 4 parts of potassium naphthenate, 10 parts of water, 0.3 part of defoaming agent, 0.6 part of thickening agent, 0.8 part of preservative and 2 parts of dispersing agent.
Further, the emulsified asphalt is zwitterionic emulsified asphalt with solid content of 45-55%.
Further, one or two of coarse whiting powder and quartz powder are mixed according to any proportion, and the fineness is 600 meshes.
Furthermore, the fineness of the cryolite is 400 meshes.
Further, the dispersing agent is sodium oleate dispersing agent, and the defoaming agent is mineral oil or organic silicon defoaming agent.
Further, the thickening agent is an acrylic acid associative thickening agent, and the preservative is an s-triazine preservative.
A preparation method of a modified asphalt liquid waterproof coiled material comprises the following steps:
s1, weighing each component for later use according to the formula of the modified asphalt liquid waterproof coiled material;
s2, adding the acrylic emulsion, starting a stirrer, stirring at a rotating speed of 200-300 r/min, sequentially adding the dispersing agent, the defoaming agent, the preservative and the potassium naphthenate, and keeping stirring for 5 minutes;
s3, after stirring uniformly, adding a filler, cryolite and lithium oxide aerosol, increasing the rotating speed to 400-600 r/min, and keeping stirring for 20-30 minutes;
s4, adding emulsified asphalt, and stirring at a low speed of 200-300 r/min for 5 minutes;
and S5, finally adding purified water, uniformly stirring, slowly adding a thickener diluted by water, increasing the rotating speed to 400-600 r/min, and continuously stirring for 15 minutes to obtain the modified asphalt liquid waterproof coiled material.
Further, in S3, the stirring process is performed under a negative pressure environment, and the pressure inside the tank body is-0.1 MPa to-0.05 MPa.
In comparative example 2, a modified asphalt liquid waterproof roll material is composed of the following components in parts by weight: 45 parts of emulsified asphalt, 30 parts of olefine acid emulsion, 20 parts of filler, 1 part of methyl glucoside sesquistearate, 3.5 parts of cryolite, 4 parts of potassium naphthenate, 10 parts of water, 0.3 part of defoaming agent, 0.6 part of thickening agent, 0.8 part of preservative and 2 parts of dispersing agent.
Further, the emulsified asphalt is zwitterionic emulsified asphalt with solid content of 45-55%.
Further, one or two of coarse whiting powder and quartz powder are mixed according to any proportion, and the fineness is 600 meshes.
Furthermore, the fineness of the cryolite is 400 meshes.
Further, the dispersing agent is sodium oleate dispersing agent, and the defoaming agent is mineral oil or organic silicon defoaming agent.
Further, the thickening agent is an acrylic acid associative thickening agent, and the preservative is an s-triazine preservative.
A preparation method of a modified asphalt liquid waterproof coiled material comprises the following steps:
s1, weighing each component for later use according to the formula of the modified asphalt liquid waterproof coiled material;
s2, adding the acrylic emulsion, starting a stirrer, stirring at a rotating speed of 200-300 r/min, sequentially adding the dispersing agent, the defoaming agent, the preservative, the methyl glucoside sesquistearate and the potassium naphthenate, and keeping stirring for 5 minutes;
s3, adding the filler and the cryolite after uniformly stirring, increasing the rotating speed to 400-600 r/min, and keeping stirring for 20-30 minutes;
s4, adding emulsified asphalt, and stirring at a low speed of 200-300 r/min for 5 minutes;
and S5, finally adding purified water, uniformly stirring, slowly adding a thickener diluted by water, increasing the rotating speed to 400-600 r/min, and continuously stirring for 15 minutes to obtain the modified asphalt liquid waterproof coiled material.
Further, in S3, the stirring process is performed under a negative pressure environment, and the pressure inside the tank body is-0.1 MPa to-0.05 MPa.
In comparative example 3, in comparison with example 3, in S3, the stirring process was performed under an atmospheric pressure atmosphere, and the rest was the same.
The following performance tests were performed on the modified asphalt liquid waterproof rolls of examples 1 to 3 and comparative examples 1 to 3:
bonding strength: testing the bonding strength of a sample according to a test method specified in GB/T16777-2008, part 7 of bonding strength of building waterproof coating test method, wherein the heating temperature is 105 +/-2 ℃ during testing;
tensile property: according to GB/T16777-2008, test method for waterproof building materials part 9: the tensile property of a sample is tested by the test method specified in Polymer waterproof coiled material tensile property;
the test results are shown in table 2:
TABLE 2
As can be seen from the term of bond strength in Table 2, the absence of methyl glucoside sesquistearate in comparative example 1 resulted in the bond strength of comparative example 1 being significantly less than examples 1-3, and the addition of methyl glucoside sesquistearate in examples 1-3, which had a bond strength of greater than 2.7 MPa; as can be seen from the item of tensile properties in table 2, the absence of the lithium oxide aerosol in comparative example 2 results in a tensile property of comparative example 2 that is significantly less than examples 1-3, and the addition of the lithium oxide aerosol in examples 1-3 results in a tensile property of greater than 10.9 MPa; in comparative example 3, the stirring process was performed in an atmospheric pressure environment, so that some bubbles were adhered to the surfaces of the filler, cryolite, and lithium oxide aerosol, and the stirring process was performed in a negative pressure environment, so that the separation of bubbles from solid particles was facilitated, and finally, the adhesive strength and tensile properties were all reduced, and particularly, the tensile properties were significantly reduced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The modified asphalt liquid waterproof coiled material is characterized by comprising the following components in parts by weight: 35-65 parts of emulsified asphalt, 25-35 parts of acrylic emulsion, 0.5-3 parts of lithium oxide aerosol, 15-25 parts of filler, 0.2-2 parts of methyl glucoside sesquistearate, 2-5 parts of cryolite, 2-7 parts of potassium naphthenate, 5-18 parts of water, 0.2-0.5 part of defoaming agent, 0.3-1 part of thickening agent, 0.2-1 part of preservative and 1-4 parts of dispersing agent.
2. The modified asphalt liquid waterproof roll material as claimed in claim 1, which is characterized by comprising the following components in parts by weight: 45 parts of emulsified asphalt, 30 parts of olefine acid emulsion, 2 parts of lithium oxide aerosol, 20 parts of filler, 1 part of methyl glucoside sesquistearate, 3.5 parts of cryolite, 4 parts of potassium naphthenate, 10 parts of water, 0.3 part of defoaming agent, 0.6 part of thickening agent, 0.8 part of preservative and 2 parts of dispersing agent.
3. The modified asphalt liquid waterproof roll as claimed in claim 1, wherein the emulsified asphalt is zwitterionic emulsified asphalt with a solid content of 45-55%.
4. The modified asphalt liquid waterproof roll material as claimed in claim 1, wherein one or two of the heavy calcium powder and the quartz powder are mixed at any ratio, and the fineness is 600 meshes.
5. The modified asphalt liquid waterproof roll as claimed in claim 1, wherein the cryolite fineness is 400 mesh.
6. The modified asphalt liquid waterproof roll as claimed in claim 1, wherein the dispersant is a sodium oleate dispersant, and the defoaming agent is a mineral oil or silicone defoaming agent.
7. The modified asphalt liquid waterproof roll as claimed in claim 1, wherein the thickener is an acrylic acid associative thickener, and the preservative is an s-triazine preservative.
8. The preparation method of the modified asphalt liquid waterproof coiled material is characterized by comprising the following steps of:
s1, weighing each component for later use according to the formula of the modified asphalt liquid waterproof roll material as claimed in any one of claims 1 to 7;
s2, adding the acrylic emulsion, starting a stirrer, stirring at a rotating speed of 200-300 r/min, sequentially adding the dispersing agent, the defoaming agent, the preservative, the methyl glucoside sesquistearate and the potassium naphthenate, and keeping stirring for 5 minutes;
s3, after stirring uniformly, adding a filler, cryolite and lithium oxide aerosol, increasing the rotating speed to 400-600 r/min, and keeping stirring for 20-30 minutes;
s4, adding emulsified asphalt, and stirring at a low speed of 200-300 r/min for 5 minutes;
and S5, finally adding purified water, uniformly stirring, slowly adding a thickener diluted by water, increasing the rotating speed to 400-600 r/min, and continuously stirring for 15 minutes to obtain the modified asphalt liquid waterproof coiled material.
9. The method for preparing the modified asphalt liquid waterproof roll according to claim 8, wherein in the step S3, the stirring process is performed in a negative pressure environment, and the pressure inside the tank body is-0.1 MPa to-0.05 MPa.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914379A (en) * | 2021-11-23 | 2022-01-11 | 雨中情防水技术集团股份有限公司 | Coating-rolling composite waterproof system structure suitable for underground side wall |
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Application publication date: 20210319 |