CN108504022B - Modified asphalt-based waterproof coiled material and preparation method thereof - Google Patents
Modified asphalt-based waterproof coiled material and preparation method thereof Download PDFInfo
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- CN108504022B CN108504022B CN201810357523.XA CN201810357523A CN108504022B CN 108504022 B CN108504022 B CN 108504022B CN 201810357523 A CN201810357523 A CN 201810357523A CN 108504022 B CN108504022 B CN 108504022B
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/10—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to inorganic materials
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F292/00—Macromolecular compounds obtained by polymerising monomers on to inorganic materials
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- C—CHEMISTRY; METALLURGY
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- 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
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Abstract
The invention discloses a modified asphalt-based waterproof coiled material which is prepared from the following components in parts by weight: 100 parts of modified asphalt-based polymer, 10-20 parts of chloroprene rubber, 3-5 parts of maleic anhydride grafting agent and 1-2 parts of attapulgite powder. The preparation method of the modified asphalt-based waterproof coiled material comprises the following steps: putting the components into a hot mixer according to the proportion, uniformly stirring the components at the temperature of 80-90 ℃ for 10-15 minutes, raising the temperature to 115-130 ℃, and stirring the components again for 15-20 minutes to obtain a mixture; and then putting the obtained mixture into an extruder, and rolling, drawing, rolling and molding the extrudate to obtain the waterproof roll. The modified asphalt-based waterproof coiled material disclosed by the invention is environment-friendly and economical, and has more excellent weather resistance, heat resistance and waterproof performance.
Description
Technical Field
The invention relates to the technical field of building waterproofing, in particular to a modified asphalt-based waterproof coiled material and a preparation method thereof.
Background
The waterproof roll 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 a waterproof first barrier of the whole project, and plays a vital role in the whole project. Improper water prevention can cause leakage, mildew and other problems which seriously affect the life of people. Along with the continuous improvement of living standard and living quality of people, the requirements of people on the waterproof coiled material are higher and higher, and the waterproof coiled material is required to have excellent waterproof performance, low price, good weather resistance and heat resistance, and strong tear resistance and tensile strength.
At present, waterproof coiled materials in the market mainly comprise asphalt waterproof coiled materials and polymer waterproof coiled materials. The traditional asphalt waterproof coiled material has low peel strength and insufficient waterproof performance, the waterproof performance of the traditional asphalt waterproof coiled material is weakened along with the prolonging of the service time, and the traditional asphalt waterproof coiled material pollutes the environment and is easy to cause safety accidents. And it cannot realize complete adhesion with the base layer, and water seepage and water channeling phenomena often occur. In addition, the construction speed is low, the influence of weather change, base surface flatness and water content is large, and the construction period is easy to delay. Traditional polymer waterproofing membrane texture is harder, and the construction ride comfort is poor, and because equipment is complicated, the trafficability characteristic is poor in welding process, and the waterproof node construction degree of difficulty is higher, has the potential safety hazard.
Chinese patent 201610367710.7 discloses an asphalt waterproof material, which is prepared from the following raw materials in parts by weight: 40-50 parts of asphalt, 20-30 parts of chlorinated polyethylene resin, 10-20 parts of epoxy resin, 5-10 parts of polypropylene, 4-7 parts of maleic anhydride grafting agent, 5-10 parts of synthetic rubber, 1-3 parts of mildew-proof bactericide, 0.5-2 parts of anti-thixotropic agent, 5-15 parts of waste rubber elastomer, 0.1-0.3 part of ultraviolet-proof agent, 4-8 parts of tourmaline powder, 5-20 parts of turpentine, 5-10 parts of nano silicon dioxide, 10-15 parts of fly ash, 10-20 parts of quartz sand and 5-25 parts of pigment. The asphalt waterproof material provided by the invention has an excellent waterproof effect, but has a plurality of components, a complex process and further improvement on heat resistance and weather resistance.
Therefore, it is imperative to develop a waterproof material which is environmentally friendly and economical and has excellent weather resistance, heat resistance and waterproof performance.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a modified asphalt-based waterproof coiled material and a preparation method thereof, wherein the preparation method has the advantages of simple and feasible process, easily available raw materials, low price, low requirements on equipment and reaction conditions, and suitability for large-scale production; the modified asphalt-based waterproof coiled material prepared by the preparation method combines the advantages of the asphalt waterproof coiled material and the advantages of the polymer waterproof coiled material, overcomes the defects of the asphalt waterproof coiled material and the polymer waterproof coiled material, is environment-friendly and economical, and has more excellent weather resistance, heat resistance and waterproof performance.
In order to achieve the aim, the technical scheme adopted by the invention is that the modified asphalt-based waterproof coiled material is prepared from the following components in parts by weight: 100 parts of modified asphalt-based polymer, 10-20 parts of chloroprene rubber, 3-5 parts of maleic anhydride grafting agent and 1-2 parts of attapulgite powder.
Preferably, the maleic anhydride grafting agent is at least one of maleic anhydride grafted polypropylene, maleic anhydride grafted polyethylene and maleic anhydride grafted POE.
Preferably, the preparation method of the modified asphalt-based polymer comprises the following steps:
1) the coal tar pitch, 1, 3-divinyl-1, 3-diphenyl-1, 3-dimethyl disilazane and a catalyst are put into a three-neck flask, the temperature is raised to 140 ℃ at the speed of 5 ℃/min under the atmosphere of nitrogen or inert gas, and the modified asphalt is obtained after the heat preservation and the stirring for 3 to 5 hours;
2) dissolving the modified asphalt prepared in the step 1) in an organic solvent to form a solution, adding 2-ethyl chloroacrylate into the solution, stirring at room temperature for reaction for 4-6 hours, precipitating in acetone, and removing acetone to obtain polymerized modified asphalt;
3) dissolving the polymerized modified asphalt prepared in the step 2), vinyl acetate, 2- [4- (1-methyl-1-phenylethyl) phenoxy ] ethyl acrylate, 2-ethyl cyanoacrylate and an initiator in carbon tetrachloride, stirring and reacting for 1-2 hours at the temperature of 55-65 ℃ under the atmosphere of nitrogen or inert gas, then precipitating in acetone, and drying for 8-12 hours at the temperature of 75-85 ℃ in a vacuum drying oven to obtain a modified asphalt-based polymer;
preferably, the mass ratio of the coal tar pitch, the 1, 3-divinyl-1, 3-diphenyl-1, 3-dimethyl disilazane and the catalyst in the step 1) is (3-5): 0.8.
Preferably, the catalyst is selected from one or two of phosphoric acid and p-toluenesulfonic acid.
Preferably, the mass ratio of the modified asphalt, the organic solvent and the ethyl 2-chloroacrylate in the step 2) is (2-3): (5-10): 1.
Preferably, the organic solvent is selected from one or two of carbon disulfide and carbon tetrachloride.
Preferably, the mass ratio of the polymerized modified asphalt, the vinyl acetate, the 2- [4- (1-methyl-1-phenylethyl) phenoxy ] ethyl acrylate, the 2-ethyl cyanoacrylate, the initiator and the carbon tetrachloride in the step 3) is (1-2):1:0.5:0.5, (0.03-0.05): 5-10.
Preferably, the initiator is selected from one or more of azobisisobutyronitrile, benzoyl peroxide, dicumyl peroxide and azobisisoheptonitrile.
Preferably, the inert gas is selected from one or more of helium, neon and argon.
Preferably, the preparation method of the modified asphalt-based waterproof roll comprises the following steps: putting the components into a hot mixer according to the proportion, uniformly stirring the components at the temperature of 80-90 ℃ for 10-15 minutes, raising the temperature to 115-130 ℃, and stirring the components again for 15-20 minutes to obtain a mixture; and then putting the obtained mixture into an extruder, and rolling, drawing, rolling and molding the extrudate to obtain the waterproof roll.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
1) the preparation method of the modified asphalt-based waterproof coiled material provided by the invention has the advantages of simple and feasible process, easily available raw materials, low price, low requirements on equipment and reaction conditions, and suitability for large-scale production.
2) The modified asphalt-based waterproof coiled material provided by the invention combines the advantages of an asphalt waterproof coiled material and a high-molecular waterproof coiled material, overcomes the technical problems that the traditional asphalt waterproof coiled material is low in peel strength and insufficient in waterproof performance, the waterproof performance of the traditional asphalt waterproof coiled material is weakened along with the prolonging of the service time, and the environment is polluted, and also overcomes the technical problems that the traditional high-molecular waterproof coiled material is hard in texture, poor in construction smoothness, and has potential safety hazards due to the fact that equipment is complex, poor in trafficability in the welding process, high in construction difficulty of waterproof nodes, environment-friendly and economical, and excellent in weather resistance, heat resistance and waterproof performance.
3) According to the modified asphalt-based waterproof coiled material provided by the invention, asphalt molecules enter a polymer chain through modification, so that the compatibility and heat resistance are favorably improved, and the molecular chain contains structures such as a silicon-nitrogen bond, a cyano group, vinyl acetate and the like, so that the weather resistance, the waterproof performance and the mechanical performance of the material are favorably improved; through grafting, the coiled material becomes a three-dimensional network structure, and the comprehensive performance of the coiled material is favorably improved.
Detailed Description
In order to make the technical solutions of the present invention better understood and make the above features, objects, and advantages of the present invention more comprehensible, the present invention is further described with reference to the following examples. The examples are intended to illustrate the invention only and are not intended to limit the scope of the invention.
The starting materials used in the following examples of the invention were purchased from Mobil commercial City.
Example 1
A modified asphalt-based waterproof coiled material is prepared from the following components in parts by weight: 100 parts of modified asphalt-based polymer, 10 parts of chloroprene rubber, 3 parts of maleic anhydride grafted polypropylene and 1 part of attapulgite powder.
The preparation method of the modified asphalt-based polymer comprises the following steps:
1) putting 30g of coal pitch, 10g of 1, 3-divinyl-1, 3-diphenyl-1, 3-dimethyl disilazane and 8g of phosphoric acid into a three-neck flask, heating to 110 ℃ at the speed of 5 ℃/min under the atmosphere of nitrogen, and stirring for 3 hours at the constant temperature to obtain modified pitch;
2) dissolving 20g of modified asphalt prepared in the step 1) in 50g of carbon disulfide to form a solution, adding 10g of ethyl 2-chloroacrylate into the solution, stirring at room temperature for reaction for 4 hours, precipitating in acetone, and removing acetone to obtain polymerized modified asphalt;
3) dissolving 10g of polymerized modified asphalt prepared in the step 2), 10g of vinyl acetate, 5g of 2- [4- (1-methyl-1-phenylethyl) phenoxy ] ethyl acrylate, 5g of 2-ethyl cyanoacrylate and 0.3g of azobisisobutyronitrile in 50g of carbon tetrachloride, stirring and reacting for 1 hour at the temperature of 55 ℃ in a nitrogen atmosphere, precipitating in acetone, and drying for 8 hours at the temperature of 75 ℃ in a vacuum drying oven to obtain the modified asphalt-based polymer.
The preparation method of the modified asphalt-based waterproof coiled material comprises the following steps: putting the components into a hot mixer according to a certain proportion, uniformly stirring at the temperature of 80 ℃ for 10 minutes, raising the temperature to 115 ℃, and stirring again for 15 minutes to obtain a mixture; and then putting the obtained mixture into an extruder, and rolling, drawing, rolling and molding the extrudate to obtain the waterproof roll.
Example 2
A modified asphalt-based waterproof coiled material is prepared from the following components in parts by weight: 100 parts of modified asphalt-based polymer, 13 parts of chloroprene rubber, 4 parts of maleic anhydride grafted polyethylene and 2 parts of attapulgite powder.
The preparation method of the modified asphalt-based polymer comprises the following steps:
1) putting 35g of coal pitch, 13g of 1, 3-divinyl-1, 3-diphenyl-1, 3-dimethyldisilazane and 8g of p-toluenesulfonic acid into a three-neck flask, heating to 110-140 ℃ at the speed of 5 ℃/min under the atmosphere of nitrogen or inert gas, and stirring for 3-5 hours under heat preservation to obtain modified pitch;
2) dissolving 23g of modified asphalt prepared in the step 1) in 65g of carbon tetrachloride to form a solution, adding 10g of ethyl 2-chloroacrylate into the solution, stirring at room temperature for reaction for 4.5 hours, precipitating in acetone, and removing acetone to obtain polymerized modified asphalt;
3) dissolving 13g of polymerized modified asphalt prepared in the step 2), 10g of vinyl acetate, 5g of 2- [4- (1-methyl-1-phenylethyl) phenoxy ] ethyl acrylate, 5g of 2-ethyl cyanoacrylate and 0.35g of benzoyl peroxide in 70g of carbon tetrachloride, stirring and reacting for 1.2 hours at the temperature of 58 ℃ under the atmosphere of helium, then precipitating in acetone, and drying for 9 hours at the temperature of 78 ℃ in a vacuum drying oven to obtain a modified asphalt-based polymer;
the preparation method of the modified asphalt-based waterproof coiled material comprises the following steps: putting the components into a hot mixer according to a certain proportion, uniformly stirring at 830 ℃ for 12 minutes, raising the temperature to 120 ℃, and stirring for 17 minutes again to obtain a mixture; and then putting the obtained mixture into an extruder, and rolling, drawing, rolling and molding the extrudate to obtain the waterproof roll.
Example 3
A modified asphalt-based waterproof coiled material is prepared from the following components in parts by weight: 100 parts of modified asphalt-based polymer, 16 parts of chloroprene rubber, 4 parts of maleic anhydride grafted POE and 1 part of attapulgite powder.
The preparation method of the modified asphalt-based polymer comprises the following steps:
1) charging 40g of coal pitch, 16g of 1, 3-divinyl-1, 3-diphenyl-1, 3-dimethyl disilazane and 8g of phosphoric acid into a three-neck flask, heating to 120 ℃ at the speed of 5 ℃/min under the atmosphere of neon, and stirring for 4 hours under heat preservation to obtain modified pitch;
2) dissolving 26g of modified asphalt prepared in the step 1) in 80g of carbon tetrachloride to form a solution, adding 10g of ethyl 2-chloroacrylate into the solution, stirring at room temperature for reaction for 5 hours, precipitating in acetone, and removing acetone to obtain polymerized modified asphalt;
3) dissolving 17g of polymerized modified asphalt prepared in the step 2), 10g of vinyl acetate, 5g of 2- [4- (1-methyl-1-phenylethyl) phenoxy ] ethyl acrylate, 5g of 2-ethyl cyanoacrylate and 0.4g of dicumyl peroxide in 85g of carbon tetrachloride, stirring and reacting for 1.5 hours at the temperature of 61 ℃ under the atmosphere of helium, then precipitating in acetone, and drying for 10 hours at the temperature of 80 ℃ in a vacuum drying oven to obtain a modified asphalt-based polymer;
the preparation method of the modified asphalt-based waterproof coiled material comprises the following steps: putting the components into a hot mixer according to a certain proportion, uniformly stirring at 86 ℃ for 14 minutes, raising the temperature to 123 ℃, and stirring again for 18 minutes to obtain a mixture; and then putting the obtained mixture into an extruder, and rolling, drawing, rolling and molding the extrudate to obtain the waterproof roll.
Example 4
A modified asphalt-based waterproof coiled material is prepared from the following components in parts by weight: 100 parts of modified asphalt-based polymer, 19 parts of chloroprene rubber, 5 parts of maleic anhydride grafting agent and 2 parts of attapulgite powder; the maleic anhydride grafting agent is a mixture formed by mixing maleic anhydride grafted polypropylene, maleic anhydride grafted polyethylene and maleic anhydride grafted POE according to a mass ratio of 2:1: 2.
The preparation method of the modified asphalt-based polymer comprises the following steps:
1) charging 45g of coal tar pitch, 18g of 1, 3-divinyl-1, 3-diphenyl-1, 3-dimethyldisilazane and 8g of catalyst into a three-neck flask, heating to 130 ℃ at the speed of 5 ℃/min under the atmosphere of argon, and stirring for 4.5 hours at the constant temperature to obtain modified asphalt; the catalyst is a mixture formed by mixing phosphoric acid and p-toluenesulfonic acid according to the mass ratio of 2: 3;
2) dissolving 28g of modified asphalt prepared in the step 1) in 90g of organic solvent to form a solution, adding 10g of ethyl 2-chloroacrylate into the solution, stirring at room temperature for reaction for 5.5 hours, precipitating in acetone, and removing acetone to obtain polymerized modified asphalt; the organic solvent is a mixture formed by mixing carbon disulfide and carbon tetrachloride according to the mass ratio of 3: 5;
3) dissolving 19g of polymerized modified asphalt prepared in the step 2), 10g of vinyl acetate, 5g of 2- [4- (1-methyl-1-phenylethyl) phenoxy ] ethyl acrylate, 5g of 2-ethyl cyanoacrylate and 0.45g of azobisisoheptonitrile in 95g of carbon tetrachloride, stirring and reacting for 1.8 hours at the temperature of 63 ℃ under an argon atmosphere, then precipitating in acetone, and drying for 11 hours at the temperature of 83 ℃ in a vacuum drying oven to obtain a modified asphalt-based polymer;
the preparation method of the modified asphalt-based waterproof coiled material comprises the following steps: putting the components into a hot mixer according to a certain proportion, uniformly stirring at 88 ℃ for 14 minutes, raising the temperature to 125 ℃, and stirring again for 18 minutes to obtain a mixture; and then putting the obtained mixture into an extruder, and rolling, drawing, rolling and molding the extrudate to obtain the waterproof roll.
Example 5
A modified asphalt-based waterproof coiled material is prepared from the following components in parts by weight: 100 parts of modified asphalt-based polymer, 20 parts of chloroprene rubber, 5 parts of maleic anhydride grafted polypropylene and 2 parts of attapulgite powder.
The preparation method of the modified asphalt-based polymer comprises the following steps:
1) 50g of coal tar pitch, 20g of 1, 3-divinyl-1, 3-diphenyl-1, 3-dimethyl disilazane and 8g of p-toluenesulfonic acid are placed into a three-neck flask, the temperature is raised to 140 ℃ at the speed of 5 ℃/min under the nitrogen atmosphere, and the modified asphalt is obtained after heat preservation and stirring for 5 hours;
2) dissolving 30g of modified asphalt prepared in the step 1) in 100g of carbon disulfide to form a solution, adding 10g of ethyl 2-chloroacrylate into the solution, stirring at room temperature for reaction for 6 hours, precipitating in acetone, and removing acetone to obtain polymerized modified asphalt;
3) dissolving 20g of polymerized modified asphalt prepared in the step 2), 10g of vinyl acetate, 5g of 2- [4- (1-methyl-1-phenylethyl) phenoxy ] ethyl acrylate, 5g of 2-ethyl cyanoacrylate and 0.5g of azobisisobutyronitrile in 100g of carbon tetrachloride, stirring and reacting for 2 hours at the temperature of 65 ℃ in a nitrogen atmosphere, then precipitating in acetone, and drying for 12 hours at the temperature of 85 ℃ in a vacuum drying oven to obtain a modified asphalt-based polymer;
the preparation method of the modified asphalt-based waterproof coiled material comprises the following steps: putting the components into a hot mixer according to a certain proportion, uniformly stirring at 90 ℃ for 15 minutes, raising the temperature to 130 ℃, and stirring for 20 minutes again to obtain a mixture; and then putting the obtained mixture into an extruder, and rolling, drawing, rolling and molding the extrudate to obtain the waterproof roll.
Comparative example
This example provides a waterproof roll material prepared from the raw materials of example 1 of the Chinese patent 201610367710.7.
The waterproof coiled materials described in examples 1-5 and comparative example are subjected to performance test, the test method refers to GB/T328-2007, and the test results are shown in Table 1.
TABLE 1 waterproofing membranes Performance parameters
As can be seen from table 1, the modified asphalt-based waterproof roll material disclosed in the embodiment of the present invention has more excellent waterproof performance, mechanical properties, and heat resistance compared with the waterproof roll material in the prior art.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The modified asphalt-based waterproof coiled material is characterized by being prepared from the following components in parts by weight: 100 parts of modified asphalt-based polymer, 10-20 parts of chloroprene rubber, 3-5 parts of maleic anhydride grafting agent and 1-2 parts of attapulgite powder;
the preparation method of the modified asphalt-based polymer comprises the following steps:
1) the coal tar pitch, 1, 3-divinyl-1, 3-diphenyl-1, 3-dimethyl disilazane and a catalyst are put into a three-neck flask, the temperature is raised to 140 ℃ at the speed of 5 ℃/min under the atmosphere of nitrogen or inert gas, and the modified asphalt is obtained after the heat preservation and the stirring for 3 to 5 hours;
2) dissolving the modified asphalt prepared in the step 1) in an organic solvent to form a solution, adding 2-ethyl chloroacrylate into the solution, stirring at room temperature for reaction for 4-6 hours, precipitating in acetone, and removing acetone to obtain polymerized modified asphalt;
3) dissolving the polymerized modified asphalt prepared in the step 2), vinyl acetate, 2- [4- (1-methyl-1-phenylethyl) phenoxy ] ethyl acrylate, 2-ethyl cyanoacrylate and an initiator in carbon tetrachloride, stirring and reacting for 1-2 hours at the temperature of 55-65 ℃ under the atmosphere of nitrogen or inert gas, then precipitating in acetone, and drying for 8-12 hours at the temperature of 75-85 ℃ in a vacuum drying oven to obtain the modified asphalt-based polymer.
2. The modified asphalt-based waterproofing membrane according to claim 1, wherein the maleic anhydride grafting agent is at least one of maleic anhydride grafted polypropylene, maleic anhydride grafted polyethylene, and maleic anhydride grafted POE.
3. The modified asphalt-based waterproof roll material as claimed in claim 1, wherein the mass ratio of the coal tar pitch, 1, 3-divinyl-1, 3-diphenyl-1, 3-dimethyldisilazane and the catalyst in step 1) is (3-5): (1-2): 0.8.
4. The modified asphalt-based waterproofing membrane according to claim 1, wherein the catalyst is selected from one or two of phosphoric acid and p-toluenesulfonic acid.
5. The modified asphalt-based waterproof roll as claimed in claim 1, wherein the mass ratio of the modified asphalt to the organic solvent to the ethyl 2-chloroacrylate in step 2) is (2-3) to (5-10) to 1.
6. The modified asphalt-based waterproofing membrane according to claim 1, wherein the organic solvent is selected from one or two of carbon disulfide and carbon tetrachloride.
7. The modified asphalt-based waterproof roll as claimed in claim 1, wherein the mass ratio of the polymerized modified asphalt, the vinyl acetate, the 2- [4- (1-methyl-1-phenylethyl) phenoxy ] ethyl acrylate, the 2-ethyl cyanoacrylate, the initiator and the carbon tetrachloride in the step 3) is (1-2) to (0.5) to (0.03-0.05) to (5-10).
8. The modified asphalt-based waterproof roll material as claimed in claim 1, wherein the initiator is selected from one or more of azobisisobutyronitrile, benzoyl peroxide, dicumyl peroxide and azobisisoheptonitrile; the inert gas is selected from one or more of helium, neon and argon.
9. A method for preparing a modified asphalt-based waterproofing membrane as described in any of claims 1 to 8, comprising the steps of: putting the components into a hot mixer according to the proportion, uniformly stirring the components at the temperature of 80-90 ℃ for 10-15 minutes, raising the temperature to 115-130 ℃, and stirring the components again for 15-20 minutes to obtain a mixture; and then putting the obtained mixture into an extruder, and rolling, drawing, rolling and molding the extrudate to obtain the waterproof roll.
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CN104553130A (en) * | 2015-01-23 | 2015-04-29 | 唐山东方雨虹防水技术有限责任公司 | Fusible high-performance elastomer modified asphalt waterproof roll |
CN105419358A (en) * | 2015-12-21 | 2016-03-23 | 潍坊市宏源防水材料有限公司 | High-elongation bituminous waterproof sheet material and preparation method thereof |
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CN105419358A (en) * | 2015-12-21 | 2016-03-23 | 潍坊市宏源防水材料有限公司 | High-elongation bituminous waterproof sheet material and preparation method thereof |
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