CN110724388A - Modified asphalt waterproof coiled material for roads and bridges - Google Patents
Modified asphalt waterproof coiled material for roads and bridges Download PDFInfo
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- CN110724388A CN110724388A CN201911113909.7A CN201911113909A CN110724388A CN 110724388 A CN110724388 A CN 110724388A CN 201911113909 A CN201911113909 A CN 201911113909A CN 110724388 A CN110724388 A CN 110724388A
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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
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
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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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0812—Aluminium
-
- 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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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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
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- 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
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
Abstract
The invention discloses a modified asphalt waterproof coiled material for roads and bridges, which consists of No. 70 asphalt, No. 10 asphalt, SBS, polyester base, anti-aging agent, talcum powder and hydrophobic silica. Through the effect of ageing-resistant agent, make waterproofing membrane in the in-service use process, can form the protective layer of one deck ultraviolet resistance on waterproofing membrane surface, make waterproofing membrane can be with the ultraviolet direct reflection of shining, can't shine on waterproofing membrane, thereby increase waterproofing membrane's durability, make waterproofing membrane inside can not receive the influence of luminance and light ageing to appear, the part ultraviolet ray that is not reflected simultaneously, can directly be absorbed by ageing-resistant agent, make the light can't shine to waterproofing membrane's inside, waterproofing membrane's oxidation resistance has been increased on the one hand, on the other hand has increased waterproofing membrane's durability and weatherability, make waterproofing membrane keep the water-proof effects of preferred all the time.
Description
Technical Field
The invention relates to the technical field of waterproof coiled materials, in particular to a modified asphalt waterproof coiled material for roads and bridges.
Background
The modified asphalt waterproof coiled material is produced by using SBS rubber modified petroleum asphalt as an impregnating covering layer, using polyester fiber non-woven fabric, jute cloth, glass fiber felt and the like as a base respectively, using a plastic film as an anti-sticking isolating layer, and performing the working procedures of material selection, material proportioning, co-melting, dipping, composite forming, curling and the like.
In the prior art, in order to increase the waterproof effect of roads and bridges, a layer of waterproof coiled material is additionally arranged in the construction process, liquid such as rainwater and the like is blocked outside concrete, the main function of the waterproof coiled material is to increase the durability of the concrete, so that the building strength and the durability of roads and bridges are increased, the existing waterproof coiled material is prepared from modified asphalt through the processes of impregnation, composite forming, curling and the like of a base, in the actual use process, the waterproof coiled material is irradiated by sunlight, so that the materials in the waterproof coiled material are easy to oxidize, and the viscosity of the asphalt begins to be reduced due to the melting point and the relative oxidation angle of the asphalt, and then vehicles and pedestrians pass through the roads, the waterproof coiled material is subjected to the action of gravity, pressure and stretching force, so that the tensile force of the waterproof coiled material is easy to increase, the phenomenon of layering of partial waterproof coiled material is caused, and the waterproof, in addition, due to the factors such as inconvenience in road drainage and the like, liquid accumulates on the upper portion of the waterproof roll, so that the liquid begins to enter the waterproof roll, a waterproof sheet is layered in multiple stages, the waterproof effect of the waterproof roll is greatly reduced, part of the liquid enters the lower layer of the waterproof roll along with the aging of the waterproof roll, the liquid further flows into concrete, the durability of the concrete is further weakened, and the durability of a road is synchronously reduced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a modified asphalt waterproof coiled material for roads and bridges, which solves the problems of aging and layering of the waterproof coiled material.
In order to achieve the purpose, the invention provides the following technical scheme: the modified asphalt waterproof coiled material for roads and bridges is prepared from No. 70 asphalt, No. 10 asphalt, SBS, polyester base, anti-aging agent, talcum powder and hydrophobic silica by the following method:
s1, metering the No. 70 asphalt and the No. 10 asphalt by a metering pump, then putting a proper amount of the No. 70 asphalt and the No. 10 asphalt into a boiler, then mixing the two kinds of asphalt with each other for 20-30 minutes, and heating to 180-200 ℃;
s2, adding SBS, swelling for 1-2 hours at 180-3；
S3, adding a proper amount of talcum powder, hydrophobic silicon dioxide and an anti-aging agent, stirring and mixing for 1-2 hours, keeping the temperature at 190 ℃ at 180 ℃, mixing the materials for later use, sampling, and entering the next procedure after the materials are qualified;
s4, injecting No. 70 asphalt and No. 10 asphalt into a stirrer, heating to 190 ℃ and stirring for 1-2 hours, then injecting into an oil immersion tank, injecting the material mixed in S3 into an oil coating tank, starting equipment, starting a tire base drying device, driving the polyester tire base to sequentially pass through the drying device, the oil immersion tank and the oil coating tank by the equipment, driving a press roller by a reducer, drawing the tire base soaked with the coating material, and then shaping, embossing, traction conveying, metering, coiling and packaging.
Preferably, the aging resistant agent consists of titanium dioxide, zinc oxide, a solvent, hexamethyl phosphoric triamide and aluminum powder, and the aging resistant agent comprises the following components in parts by mass: 10-20 parts of titanium dioxide, 10-20 parts of zinc oxide, 20-30 parts of solvent, 10-15 parts of hexamethyl phosphoric triamide and 10-20 parts of aluminum powder, wherein the modified asphalt waterproof coiled material is prepared by the following method:
(1) putting a proper amount of solvent and titanium dioxide into a stirrer, heating to 50-60 ℃, stirring for 20-30 minutes, then adding zinc oxide into the stirrer, and continuously keeping the temperature at 50-60 ℃ and stirring for 20-30 minutes;
(2) sieving aluminum powder with a 100-mesh sieve in advance, then placing the aluminum powder and hexamethylphosphoric triamide into a reaction kettle which is preheated to 50-60 ℃ in advance for stirring, wherein the stirring time is 10-20 minutes, the stirring speed is controlled at 80-100r/min, and standing for 30-40 minutes for later use after stirring;
(3) slowly injecting the mixed liquid in the step 1 into a reaction kettle, then raising the temperature to 70-80 ℃, stirring for 15-20 minutes at the stirring speed of 400r/min, standing for 20-30 minutes, stirring again for 5-10 minutes after the solution is calm, controlling the stirring speed of 80-100r/min, and slowly sieving the feed liquid through a 100-mesh sieve for later use to obtain the anti-aging agent.
Preferably, the modified asphalt waterproof coiled material comprises the following components in parts by mass: 40-50 parts of No. 70 asphalt, 6-8 parts of No. 10 asphalt, 5-10 parts of SBS, polyester tire base, 10-18 parts of anti-aging agent, 10-15 parts of talcum powder and 5-10 parts of hydrophobic silicon dioxide.
Preferably, the solvent is one of ethanol or acetone.
The beneficial effects are as follows:
the modified asphalt waterproof coiled material for roads and bridges has the advantages that through the effect of the aging resistant agent, the waterproof coiled material can form an ultraviolet-resistant protective layer on the surface of the waterproof coiled material in the actual use process, so that the irradiated ultraviolet rays can be directly reflected by the waterproof coiled material and cannot be irradiated on the waterproof coiled material, the durability of the waterproof coiled material is increased, the aging of the waterproof coiled material cannot be caused due to the influence of brightness and light rays, meanwhile, part of ultraviolet rays which are not reflected can be directly absorbed by the aging resistant agent, so that the light rays cannot be irradiated into the waterproof coiled material, on one hand, the oxidation resistance of the waterproof coiled material is increased, on the other hand, the durability and the weather resistance of the waterproof coiled material are increased, the waterproof coiled material can always keep a better waterproof effect, and by utilizing the effect of the hydrophobic silica, liquid can directly flow to the outer side of the waterproof coiled material when, the volume of liquid accumulation in waterproofing membrane is slowed down, waterproof roll's water-proof effects is further increased for liquid can't get into waterproofing membrane's inside, reduces waterproofing membrane's layering phenomenon.
Detailed Description
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that: the modified asphalt waterproof coiled material for roads and bridges is prepared from No. 70 asphalt, No. 10 asphalt, SBS, polyester base, anti-aging agent, talcum powder and hydrophobic silica by the following method:
s1, metering the No. 70 asphalt and the No. 10 asphalt by a metering pump, then putting a proper amount of the No. 70 asphalt and the No. 10 asphalt into a boiler, then mixing the two kinds of asphalt with each other for 20-30 minutes, and heating to 180-200 ℃;
s2, adding SBS, swelling for 1-2 hours at 180-3；
S3, adding a proper amount of talcum powder, hydrophobic silicon dioxide and an anti-aging agent, stirring and mixing for 1-2 hours, keeping the temperature at 190 ℃ at 180 ℃, mixing the materials for later use, sampling, and entering the next procedure after the materials are qualified;
s4, injecting No. 70 asphalt and No. 10 asphalt into a stirrer, heating to 190 ℃ and stirring for 1-2 hours, then injecting into an oil immersion tank, injecting the material mixed in S3 into an oil coating tank, starting equipment, starting a tire base drying device, driving the polyester tire base to sequentially pass through the drying device, the oil immersion tank and the oil coating tank by the equipment, driving a press roller by a reducer, drawing the tire base soaked with the coating material, and then shaping, embossing, traction conveying, metering, coiling and packaging.
The aging resistant agent comprises titanium dioxide, zinc oxide, a solvent, hexamethyl phosphoric triamide and aluminum powder, and comprises the following components in parts by mass: 10-20 parts of titanium dioxide, 10-20 parts of zinc oxide, 20-30 parts of solvent, 10-15 parts of hexamethyl phosphoric triamide and 10-20 parts of aluminum powder, wherein the modified asphalt waterproof coiled material is prepared by the following method:
(1) putting a proper amount of solvent and titanium dioxide into a stirrer, heating to 50-60 ℃, stirring for 20-30 minutes, then adding zinc oxide into the stirrer, and continuously keeping the temperature at 50-60 ℃ and stirring for 20-30 minutes;
(2) sieving aluminum powder with a 100-mesh sieve in advance, then placing the aluminum powder and hexamethylphosphoric triamide into a reaction kettle which is preheated to 50-60 ℃ in advance for stirring, wherein the stirring time is 10-20 minutes, the stirring speed is controlled at 80-100r/min, and standing for 30-40 minutes for later use after stirring;
(3) slowly injecting the mixed liquid in the step 1 into a reaction kettle, then raising the temperature to 70-80 ℃, stirring for 15-20 minutes at the stirring speed of 400r/min, standing for 20-30 minutes, stirring again for 5-10 minutes after the solution is calm, controlling the stirring speed of 80-100r/min, and slowly sieving the feed liquid through a 100-mesh sieve for later use to obtain the anti-aging agent.
The modified asphalt waterproof coiled material comprises the following components in parts by mass: 40-50 parts of No. 70 asphalt, 6-8 parts of No. 10 asphalt, 5-10 parts of SBS, polyester tire base, 10-18 parts of anti-aging agent, 10-15 parts of talcum powder and 5-10 parts of hydrophobic silicon dioxide.
Wherein, the solvent is one of ethanol or acetone.
Example one
The modified asphalt waterproof coiled material is prepared by the following method:
s1, metering 49 parts of No. 70 asphalt and 8 parts of No. 10 asphalt by a metering pump, then putting a proper amount of No. 70 asphalt and No. 10 asphalt into a boiler, mixing the two kinds of asphalt for 20-30 minutes, and heating to 180-200 ℃;
s2, adding 10 parts of SBS, swelling for 1-2 hours at 180-200 ℃, grinding for 1-2 times by a colloid mill after SBS is completely melted, and controlling the flow rate at 10M3；
S3, adding 13 parts of talcum powder, 5 parts of hydrophobic silicon dioxide and 15 parts of anti-aging agent, stirring and mixing for 1-2 hours, keeping the temperature at 190 ℃ at 180-;
s4, injecting No. 70 asphalt and No. 10 asphalt into a stirrer, heating to 190 ℃ and stirring for 1-2 hours, then injecting into an oil immersion tank, injecting the material mixed in S3 into an oil coating tank, starting equipment, starting a tire base drying device, driving the polyester tire base to sequentially pass through the drying device, the oil immersion tank and the oil coating tank by the equipment, driving a press roller by a reducer, drawing the tire base soaked with the coating material, and then shaping, embossing, traction conveying, metering, coiling and packaging.
The modified asphalt waterproof coiled material is prepared by the following method:
(1) putting 30 parts of solvent and 20 parts of titanium dioxide into a stirrer, heating to 50-60 ℃, stirring for 20-30 minutes, adding 20 parts of zinc oxide into the stirrer, and continuously keeping the temperature at 50-60 ℃ and stirring for 20-30 minutes;
(2) sieving 15 parts of aluminum powder by a 100-mesh sieve in advance, then putting the aluminum powder and 15 parts of hexamethylphosphoric triamide into a reaction kettle which is preheated to 50-60 ℃ in advance for stirring, wherein the stirring time is 10-20 minutes, the stirring speed is controlled at 80-100r/min, and standing for 30-40 minutes for later use after the stirring is finished;
(3) slowly injecting the mixed liquid in the step 1 into a reaction kettle, then raising the temperature to 70-80 ℃, stirring for 15-20 minutes at the stirring speed of 400r/min, standing for 20-30 minutes, stirring again for 5-10 minutes after the solution is calm, controlling the stirring speed of 80-100r/min, and slowly sieving the feed liquid through a 100-mesh sieve for later use to obtain the anti-aging agent.
Example two
The modified asphalt waterproof coiled material is prepared by the following method:
s1, metering 50 parts of No. 70 asphalt and 6 parts of No. 10 asphalt by a metering pump, then putting a proper amount of No. 70 asphalt and No. 10 asphalt into a boiler, mixing the two kinds of asphalt for 20-30 minutes, and heating to 180-200 ℃;
s2, adding 8 parts of SBS, swelling for 1-2 hours at 180-200 ℃, grinding for 1-2 times by a colloid mill after SBS is completely melted, and controlling the flow rate at 10M3；
S3, adding 15 parts of talcum powder, 6 parts of hydrophobic silicon dioxide and 15 parts of anti-aging agent, stirring and mixing for 1-2 hours, keeping the temperature at 190 ℃ at 180-;
s4, injecting No. 70 asphalt and No. 10 asphalt into a stirrer, heating to 190 ℃ and stirring for 1-2 hours, then injecting into an oil immersion tank, injecting the material mixed in S3 into an oil coating tank, starting equipment, starting a tire base drying device, driving the polyester tire base to sequentially pass through the drying device, the oil immersion tank and the oil coating tank by the equipment, driving a press roller by a reducer, drawing the tire base soaked with the coating material, and then shaping, embossing, traction conveying, metering, coiling and packaging.
The modified asphalt waterproof coiled material is prepared by the following method:
(1) putting 30 parts of solvent and 15 parts of titanium dioxide into a stirrer, heating to 50-60 ℃, stirring for 20-30 minutes, adding 20 parts of zinc oxide into the stirrer, and continuously keeping the temperature at 50-60 ℃ and stirring for 20-30 minutes;
(2) sieving 20 parts of aluminum powder with a 100-mesh sieve in advance, then placing the aluminum powder and 15 parts of hexamethylphosphoric triamide into a reaction kettle which is preheated to 50-60 ℃ in advance for stirring, wherein the stirring time is 10-20 minutes, the stirring speed is controlled at 80-100r/min, and standing for 30-40 minutes for later use after the stirring is finished;
(3) slowly injecting the mixed liquid in the step 1 into a reaction kettle, then raising the temperature to 70-80 ℃, stirring for 15-20 minutes at the stirring speed of 400r/min, standing for 20-30 minutes, stirring again for 5-10 minutes after the solution is calm, controlling the stirring speed of 80-100r/min, and slowly sieving the feed liquid through a 100-mesh sieve for later use to obtain the anti-aging agent.
Through the waterproof sheet prepared in the steps, in actual use, the durability and the waterproof effect are obviously improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a road and bridge are with modified asphalt waterproofing membrane which characterized in that: the modified asphalt waterproof coiled material consists of No. 70 asphalt, No. 10 asphalt, SBS, polyester base, aging resistant agent, talcum powder and hydrophobic silica, and is prepared by the following method:
s1, metering the No. 70 asphalt and the No. 10 asphalt by a metering pump, then putting a proper amount of the No. 70 asphalt and the No. 10 asphalt into a boiler, then mixing the two kinds of asphalt with each other for 20-30 minutes, and heating to 180-200 ℃;
s2, adding SBS, swelling for 1-2 hours at 180-3；
S3, adding a proper amount of talcum powder, hydrophobic silicon dioxide and an anti-aging agent, stirring and mixing for 1-2 hours, keeping the temperature at 190 ℃ at 180 ℃, mixing the materials for later use, sampling, and entering the next procedure after the materials are qualified;
s4, injecting No. 70 asphalt and No. 10 asphalt into a stirrer, heating to 190 ℃ and stirring for 1-2 hours, then injecting into an oil immersion tank, injecting the material mixed in S3 into an oil coating tank, starting equipment, starting a tire base drying device, driving the polyester tire base to sequentially pass through the drying device, the oil immersion tank and the oil coating tank by the equipment, driving a press roller by a reducer, drawing the tire base soaked with the coating material, and then shaping, embossing, traction conveying, metering, coiling and packaging.
2. The modified asphalt waterproof roll for roads and bridges of claim 1, which is characterized in that: the aging resistant agent consists of titanium dioxide, zinc oxide, a solvent, hexamethyl phosphoric triamide and aluminum powder, and comprises the following components in parts by mass: 10-20 parts of titanium dioxide, 10-20 parts of zinc oxide, 20-30 parts of solvent, 10-15 parts of hexamethyl phosphoric triamide and 10-20 parts of aluminum powder, wherein the modified asphalt waterproof coiled material is prepared by the following method:
(1) putting a proper amount of solvent and titanium dioxide into a stirrer, heating to 50-60 ℃, stirring for 20-30 minutes, then adding zinc oxide into the stirrer, and continuously keeping the temperature at 50-60 ℃ and stirring for 20-30 minutes;
(2) sieving aluminum powder with a 100-mesh sieve in advance, then placing the aluminum powder and hexamethylphosphoric triamide into a reaction kettle which is preheated to 50-60 ℃ in advance for stirring, wherein the stirring time is 10-20 minutes, the stirring speed is controlled at 80-100r/min, and standing for 30-40 minutes for later use after stirring;
(3) slowly injecting the mixed liquid in the step 1 into a reaction kettle, then raising the temperature to 70-80 ℃, stirring for 15-20 minutes at the stirring speed of 400r/min, standing for 20-30 minutes, stirring again for 5-10 minutes after the solution is calm, controlling the stirring speed of 80-100r/min, and slowly sieving the feed liquid through a 100-mesh sieve for later use to obtain the anti-aging agent.
3. The modified asphalt waterproof roll for roads and bridges of claim 1, which is characterized in that: the modified asphalt waterproof coiled material comprises the following components in parts by mass: 40-50 parts of No. 70 asphalt, 6-8 parts of No. 10 asphalt, 5-10 parts of SBS, polyester tire base, 10-18 parts of anti-aging agent, 10-15 parts of talcum powder and 5-10 parts of hydrophobic silicon dioxide.
4. The modified asphalt waterproof roll for roads and bridges of claim 2, which is characterized in that: the solvent is one of ethanol or acetone.
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| CN201911113909.7A CN110724388A (en) | 2019-11-14 | 2019-11-14 | Modified asphalt waterproof coiled material for roads and bridges |
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| CN201911113909.7A CN110724388A (en) | 2019-11-14 | 2019-11-14 | Modified asphalt waterproof coiled material for roads and bridges |
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Application publication date: 20200124 |