CN109836836B - Lake asphalt production method - Google Patents
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Abstract
The invention discloses a lake asphalt production method, which relates to the field of asphalt and aims to solve the problem of poor weather resistance of the conventional lake asphalt, and the technical key points of the lake asphalt production method comprise the following production steps: (1) heating the matrix asphalt to 190-; (2) the lake asphalt raw material is crushed to 600 meshes of 300-; (3) after the step (2) is finished, sequentially adding the asphalt stabilizer, the rubber oil and the weather-resistant modifier into the finished product tank every 10-30min, continuing stirring for 180min after the addition is finished, and then carrying out detection and assay to obtain lake asphalt; by adding additives such as weather-resistant modifier and the like, the weather resistance of the lake asphalt can be greatly improved, and the service life of the lake asphalt is prolonged.
Description
Technical Field
The invention relates to the field of asphalt, in particular to a lake asphalt production method.
Background
The asphalt is a black-brown complex mixture composed of hydrocarbons with different molecular weights and nonmetal derivatives thereof, is one of high-viscosity organic liquids, is in a liquid state, and has a black surface; the asphalt is a waterproof, moistureproof and anticorrosive organic cementing material; the asphalt is mainly classified into coal tar asphalt, petroleum asphalt and natural asphalt, wherein the coal tar asphalt is a by-product of coking, the petroleum asphalt is a residue after crude oil distillation, and the natural asphalt is stored underground, including lake asphalt, seabed asphalt and rock asphalt, and some form a mineral layer or are accumulated on the surface of the crust.
Lake asphalt, as a natural asphalt, is widely used in civil engineering and road engineering, but because the asphalt is exposed to the sun and rain for a long time in the using process, the problems of aging, cracking and the like are easily caused, so that the improvement of the weather resistance of the asphalt is one of the problems to be solved urgently in the asphalt industry.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a production method of lake asphalt, which can greatly improve the weather resistance of the lake asphalt and prolong the service life of the lake asphalt by adding additives such as weather-resistant modifiers and the like.
In order to achieve the purpose, the invention provides the following technical scheme:
a lake asphalt production method comprises the following production steps:
(1) heating the matrix asphalt to 190-;
(2) the lake asphalt raw material is crushed to 600 meshes of 300-;
(3) after the step (2) is finished, sequentially adding the asphalt stabilizer, the rubber oil and the weather-resistant modifier into the finished product tank every 10-30min, continuing stirring for 180min after the addition is finished, and then carrying out detection and assay to obtain lake asphalt;
the matrix asphalt, the lake asphalt raw material, the asphalt stabilizer, the rubber oil and the weather-resistant modifier are used in the following mass ratio: (72-85): (21-35): (11-25): (2-15): (12-35).
By adopting the technical scheme, the matrix asphalt is preheated by the heat exchanger, so that the energy used for heating the finished product tank can be saved, the viscosity of the matrix asphalt can be reduced, the matrix asphalt can be conveyed, and then the matrix asphalt is stirred at high temperature in the finished product tank, so that the components in the matrix asphalt can be uniformly mixed, the viscosity of the matrix asphalt at each part in the finished product tank is consistent, and the later-stage additive can be mixed; the lake asphalt raw material is crushed and added into the finished product tank in batches, so that the lake asphalt raw material can be more uniformly mixed in the matrix asphalt without local agglomeration, and the influence on the use of the lake asphalt caused by the non-uniform properties of all parts of the produced lake asphalt is avoided; the asphalt stabilizer is added into the mixture of the lake asphalt raw material and the matrix asphalt, so that a net structure can be formed in the lake asphalt, and the problems of creep deformation and cracking of the lake asphalt caused by the influence of high temperature or external impact force in the use process are further avoided; the rubber oil is added, so that the components in the lake asphalt can be uniformly mixed together by utilizing the good compatibility between the rubber oil and the high polymer material, and the toughness and the impact resistance of the lake asphalt can be further improved due to the excellent flexibility of the rubber oil; meanwhile, the invention also adds a weather-resistant modifier, and the weather resistance of the lake asphalt can be greatly improved through the functional additive, so that the high temperature resistance, the low temperature resistance and the water stability of the lake asphalt can be greatly improved, and the service life of the lake asphalt can be further prolonged.
The invention is further set that the weather resistance modifier is a blend of rock asphalt, an ultraviolet protective agent, an anti-permeability waterproof agent and a flame retardant, and the rock asphalt, the ultraviolet protective agent, the anti-permeability waterproof agent and the flame retardant are used in the following mass ratio: (35-46): (12-21): (3-11): (2-15).
By adopting the technical scheme, the rock asphalt is used as natural asphalt and is asphalt substances generated under the comprehensive action of heat, pressure, oxidation, catalysts, bacteria and the like after the petroleum is deposited and changed for hundreds of millions of years, so that the high-temperature stability and the shock resistance of the lake asphalt can be effectively improved by adding the rock asphalt into the lake asphalt; adding an ultraviolet protective agent to form an ultraviolet shielding layer on the surface of the lake asphalt, preventing ultraviolet rays from entering the interior of a molecular structure of the lake asphalt and preventing components in the lake asphalt from aging due to the influence of the ultraviolet rays; the anti-seepage waterproof agent is added to effectively prevent water from permeating into the lake asphalt to generate water corrosion on the lake asphalt, so that the water stability of the lake asphalt is improved; the fire retardant can prevent the combustible components in the lake asphalt from being burnt and decomposed by open fire in the use process of the lake asphalt, thereby not only preventing the lake asphalt from being damaged, but also improving the use safety of the lake asphalt.
The invention is further configured that the ultraviolet protective agent is a blend of zinc oxide and kaolin, and the dosage of the oxidant and the kaolin is as follows by mass ratio: (1-3): (2-7).
By adopting the technical scheme, zinc oxide is used as an N-type semiconductor, electrons on a valence band can receive energy in ultraviolet rays and find transition, so that the ultraviolet rays are absorbed, and meanwhile, zinc oxide particles can also perform a scattering effect on the ultraviolet rays, so that the ultraviolet rays can be prevented from entering the interior of a lake asphalt molecular structure; the kaolin is clay and claystone mainly comprising kaolinite clay minerals, mainly comprises kaolinite, halloysite, hydromica, illite, montmorillonite, quartz, feldspar and other minerals, electrons in component molecules can absorb photons to generate energy level transition, and when the electrons of the kaolinite component generate the energy level transition, ultraviolet light can be absorbed due to the quantization of the electronic energy level, so that the kaolinite has a good ultraviolet-proof function, and meanwhile, the kaolinite has good plasticity and fire resistance, can further improve the shock resistance and fire resistance of lake asphalt, and prolong the service life and use safety of the lake asphalt.
The invention is further arranged that the flame retardant is a blend of chlorinated polyethylene and calcium stearate, and the dosage of the chlorinated polyethylene and the calcium stearate is as follows according to the mass ratio: (11-15): (2-5).
By adopting the technical scheme, the chlorinated polyethylene has halogen chlorine in a molecular structure, can capture and eliminate free radicals generated by combustion, cut off free radical chain reaction, and further achieve the flame-retardant effect, but because in the process of preparing the lake asphalt, high-temperature stirring is needed, chlorine elements on the chlorinated polyethylene are easy to separate from hydrogen chloride to form hydrogen chloride, therefore, calcium stearate is added to capture favorable chlorine elements, and further the flame retardance of the chlorinated polyethylene can be ensured, meanwhile, the chlorinated polyethylene can still have good flexibility in a low-temperature environment, and therefore, the toughness of the lake asphalt can be increased by adding the chlorinated polyethylene, the impact resistance of the lake asphalt is increased, and the problems of cracking and the like in the use process of the lake asphalt are prevented.
The invention is further configured that the impervious and waterproof agent is polydimethylsiloxane.
By adopting the technical scheme, the polydimethylsiloxane is used as the organic silicon hydrophobic material, is not electronically polarizable, can not form a hydrogen bond with water, and further has a repellent capacity to water, so that the polydimethylsiloxane is added into the lake asphalt, the water can be prevented from permeating into the lake asphalt, the lake asphalt is prevented from being corroded by water, and the water stability of the lake asphalt is further improved.
The invention is further configured that the base asphalt is petroleum asphalt.
By adopting the technical scheme, the petroleum asphalt is used as the residue after crude oil distillation, has excellent adhesion performance, can be well combined with other components in the lake asphalt, has excellent resilience performance and toughness, can enhance the rutting resistance of the lake asphalt when used for roads, and simultaneously has good high-temperature stability, low-temperature crack resistance and water damage resistance, so that the weather resistance and the road performance of the lake asphalt can be further enhanced, and the service life of the lake asphalt is prolonged.
The invention is further configured such that the rubber oil is a paraffin-based rubber oil.
By adopting the technical scheme, the paraffin-based rubber oil not only has the performance of the rubber oil, but also can uniformly mix all components in the lake asphalt by utilizing the good compatibility between the paraffin-based rubber oil and a high polymer material, and the excellent flexibility of the paraffin-based rubber oil can further improve the toughness and the shock resistance of the lake asphalt, and the paraffin-based rubber oil is non-toxic and harmless, improves the safety of use and production, and is also beneficial to environmental protection.
The invention is further configured that the asphalt stabilizer is a blend of sodium carboxymethyl cellulose, butadiene rubber and butyl rubber, and the dosage of the sodium carboxymethyl cellulose, the butadiene rubber and the butyl rubber is as follows by mass ratio: (3-7): (2-5): (4-9).
By adopting the technical scheme, the sodium carboxymethyl cellulose, the butadiene rubber and the butyl rubber are added into the lake asphalt, a net structure can be formed inside the lake asphalt, the problems of creep deformation and cracking caused by high temperature or external impact force in the use process of the lake asphalt are further avoided, and the sodium carboxymethyl cellulose has good dispersing capacity and can promote the components in the lake asphalt to be mixed more uniformly.
In conclusion, the invention has the following beneficial effects:
1. the invention preheats the matrix asphalt through the heat exchanger, which not only saves the energy used when the finished product tank is heated, but also is beneficial to reducing the viscosity of the matrix asphalt and is beneficial to conveying the matrix asphalt, and then the matrix asphalt is stirred at high temperature in the finished product tank, thereby not only uniformly mixing all the components in the matrix asphalt, but also ensuring the consistent viscosity of the matrix asphalt at the inner part of the finished product tank and being beneficial to mixing additives at the later stage; the lake asphalt raw material is crushed and added into the finished product tank in batches, so that the lake asphalt raw material can be more uniformly mixed in the matrix asphalt without local agglomeration, and the influence on the use of the lake asphalt caused by the non-uniform properties of all parts of the produced lake asphalt is avoided;
2. according to the invention, the asphalt stabilizer is added into the mixture of the lake asphalt raw material and the matrix asphalt, so that a net structure can be formed in the lake asphalt, and the problems of creep deformation and cracking of the lake asphalt caused by the influence of high temperature or external impact force in the use process are further avoided; the rubber oil is added, so that the components in the lake asphalt can be uniformly mixed together by utilizing the good compatibility between the rubber oil and the high polymer material, and the toughness and the impact resistance of the lake asphalt can be further improved due to the excellent flexibility of the rubber oil; meanwhile, the invention also adds a weather-resistant modifier, and the weather resistance of the lake asphalt can be greatly improved through the functional additive, so that the high temperature resistance, the low temperature resistance and the water stability of the lake asphalt can be greatly improved, and the service life of the lake asphalt can be further prolonged;
3. rock asphalt is added into the weather-resistant modifier, so that the high-temperature stability and the impact resistance of lake asphalt can be effectively improved; adding an ultraviolet protective agent to form an ultraviolet shielding layer on the surface of the lake asphalt, preventing ultraviolet rays from entering the interior of a molecular structure of the lake asphalt and preventing components in the lake asphalt from aging due to the influence of the ultraviolet rays; the anti-seepage waterproof agent is added to effectively prevent water from permeating into the lake asphalt to generate water corrosion on the lake asphalt, so that the water stability of the lake asphalt is improved; the fire retardant can prevent the combustible components in the lake asphalt from being burnt and decomposed by open fire in the use process of the lake asphalt, thereby not only preventing the lake asphalt from being damaged, but also improving the use safety of the lake asphalt.
Detailed Description
The present invention will be described in further detail with reference to examples.
The first embodiment is as follows:
the weather-resistant modifier is a blend of rock asphalt, an ultraviolet protective agent, an anti-permeability waterproof agent and a flame retardant, and the rock asphalt, the ultraviolet protective agent, the anti-permeability waterproof agent and the flame retardant are used in the following mass ratio: 35: 12: 3: 2;
wherein: the ultraviolet protective agent is a blend of zinc oxide and kaolin, and the dosage of the oxidant and the kaolin is as follows by mass ratio: 1: 2; the flame retardant is a blend of chlorinated polyethylene and calcium stearate, and the dosage of the chlorinated polyethylene and the calcium stearate is as follows according to the mass ratio: 11: 2; the impervious waterproofing agent is polydimethylsiloxane.
The matrix asphalt is petroleum asphalt.
The rubber oil is paraffin-based rubber oil which is produced by Qingdaotai Taiyang chemical limited company and has the model of TOPFINE 3050.
The asphalt stabilizer is a blend of sodium carboxymethylcellulose, butadiene rubber and butyl rubber, and the dosage of the sodium carboxymethylcellulose, the butadiene rubber and the butyl rubber is as follows by mass ratio: 3: 2: 4.
a lake asphalt production method comprises the following production steps:
(1) heating the matrix asphalt to 190 ℃ through a heat exchanger, then adding the matrix asphalt into a finished product tank, adjusting the tonnage to 10, and stirring for 180min at 900r/min and 200 ℃;
(2) crushing the lake asphalt raw material to 300 meshes, adding the lake asphalt raw material into a finished product tank in 3 batches every 20min by using a lifting machine, cooling the temperature of the finished product tank to 190 ℃ after the lake asphalt raw material is added, and stirring for 300 min;
(3) after the step (2) is finished, sequentially adding an asphalt stabilizer, rubber oil and a weather-resistant modifier into the finished product tank every 10min, continuously stirring for 120min after the addition is finished, and then carrying out detection and assay to obtain lake asphalt;
wherein the matrix asphalt, the lake asphalt raw material, the asphalt stabilizer, the rubber oil and the weather-resistant modifier are used in the following mass ratio: 72: 21: 11: 2: 12.
example two:
the weather-resistant modifier is a blend of rock asphalt, an ultraviolet protective agent, an anti-permeability waterproof agent and a flame retardant, and the rock asphalt, the ultraviolet protective agent, the anti-permeability waterproof agent and the flame retardant are used in the following mass ratio: 37: 15: 5: 3;
wherein: the ultraviolet protective agent is a blend of zinc oxide and kaolin, and the dosage of the oxidant and the kaolin is as follows by mass ratio: 2: 3; the flame retardant is a blend of chlorinated polyethylene and calcium stearate, and the dosage of the chlorinated polyethylene and the calcium stearate is as follows according to the mass ratio: 13: 3; the impervious waterproofing agent is polydimethylsiloxane.
The matrix asphalt is petroleum asphalt.
The rubber oil is paraffin-based rubber oil which is produced by Qingdaotai Taiyang chemical limited company and has the model of TOPFINE 3050.
The asphalt stabilizer is a blend of sodium carboxymethyl cellulose, butadiene rubber and butyl rubber, and the dosage of the sodium carboxymethyl cellulose, the dosage of the butadiene rubber and the dosage of the butyl rubber are as follows according to mass ratio: 4: 3: 5.
a lake asphalt production method comprises the following production steps:
(1) heating the matrix asphalt to 193 ℃ through a heat exchanger, then adding the matrix asphalt into a finished product tank, adjusting the tonnage to 11, and stirring for 150min at 950r/min and 210 ℃;
(2) crushing the lake asphalt raw material to 400 meshes, adding the lake asphalt raw material into a finished product tank in 4 batches every 25min by using a lifting machine, cooling the temperature of the finished product tank to 195 ℃ after the lake asphalt raw material is added, and stirring for 320 min;
(3) after the step (2) is finished, sequentially adding an asphalt stabilizer, rubber oil and a weather-resistant modifier into the finished product tank every 20min, continuing stirring for 130min after the addition is finished, and then carrying out detection and assay to obtain lake asphalt;
wherein the matrix asphalt, the lake asphalt raw material, the asphalt stabilizer, the rubber oil and the weather-resistant modifier are used in the following mass ratio: 75: 23: 13: 5: 15.
example three:
the weather-resistant modifier is a blend of rock asphalt, an ultraviolet protective agent, an anti-permeability waterproof agent and a flame retardant, and the rock asphalt, the ultraviolet protective agent, the anti-permeability waterproof agent and the flame retardant are used in the following mass ratio: 39: 14: 7: 7;
wherein: the ultraviolet protective agent is a blend of zinc oxide and kaolin, and the dosage of the oxidant and the kaolin is as follows by mass ratio: 2: 5;
the flame retardant is a blend of chlorinated polyethylene and calcium stearate, and the dosage of the chlorinated polyethylene and the calcium stearate is as follows according to the mass ratio: 14: 3;
the impervious waterproofing agent is polydimethylsiloxane.
The matrix asphalt is petroleum asphalt.
The rubber oil is paraffin-based rubber oil which is produced by Qingdaotai Taiyang chemical limited company and has the model of TOPFINE 3050.
The asphalt stabilizer is a blend of sodium carboxymethyl cellulose, butadiene rubber and butyl rubber, and the dosage of the sodium carboxymethyl cellulose, the dosage of the butadiene rubber and the dosage of the butyl rubber are as follows according to mass ratio: 5: 4: 6.
a lake asphalt production method comprises the following production steps:
(1) heating the matrix asphalt to 195 ℃ through a heat exchanger, then adding the matrix asphalt into a finished product tank, adjusting the tonnage to 12, and stirring for 120min at the temperature of 220 ℃ at 1000 r/min;
(2) crushing the lake asphalt raw material to 300-inch sand 600 meshes, adding the lake asphalt raw material into a finished product tank in 5 batches every 30min by using a lifting machine, cooling the temperature of the finished product tank to 200 ℃ after the lake asphalt raw material is added, and stirring for 340 min;
(3) after the step (2) is finished, sequentially adding an asphalt stabilizer, rubber oil and a weather-resistant modifier into the finished product tank every 20min, continuously stirring for 150min after the addition is finished, and then carrying out detection and assay to obtain lake asphalt;
wherein the matrix asphalt, the lake asphalt raw material, the asphalt stabilizer, the rubber oil and the weather-resistant modifier are used in the following mass ratio: 76: 27: 15: 9: 20.
example four:
the weather-resistant modifier is a blend of rock asphalt, an ultraviolet protective agent, an anti-permeability waterproof agent and a flame retardant, and the rock asphalt, the ultraviolet protective agent, the anti-permeability waterproof agent and the flame retardant are used in the following mass ratio: 41: 19: 8: 13;
wherein: the ultraviolet protective agent is a blend of zinc oxide and kaolin, and the dosage of the oxidant and the kaolin is as follows by mass ratio: 3: 5; the flame retardant is a blend of chlorinated polyethylene and calcium stearate, and the dosage of the chlorinated polyethylene and the calcium stearate is as follows according to the mass ratio: 14: 5; the impervious waterproofing agent is polydimethylsiloxane.
The matrix asphalt is petroleum asphalt.
The rubber oil is paraffin-based rubber oil which is produced by Qingdaotai Taiyang chemical limited company and has the model of TOPFINE 3050.
The asphalt stabilizer is a blend of sodium carboxymethyl cellulose, butadiene rubber and butyl rubber, and the dosage of the sodium carboxymethyl cellulose, the dosage of the butadiene rubber and the dosage of the butyl rubber are as follows according to mass ratio: 5: 5: 7.
a lake asphalt production method comprises the following production steps:
(1) heating the matrix asphalt to 200 ℃ through a heat exchanger, then adding the matrix asphalt into a finished product tank, adjusting the tonnage to 14, and stirring for 80min at 1100r/min and 220 ℃;
(2) crushing the lake asphalt raw material to 500 meshes, adding the lake asphalt raw material into a finished product tank in 4 batches every 35min by using a lifting machine, cooling the temperature of the finished product tank to 205 ℃ after the lake asphalt raw material is added, and stirring for 350 min;
(3) after the step (2) is finished, sequentially adding an asphalt stabilizer, rubber oil and a weather-resistant modifier into the finished product tank every 25min, continuing stirring for 160min after the addition is finished, and then carrying out detection and assay to obtain lake asphalt;
wherein the matrix asphalt, the lake asphalt raw material, the asphalt stabilizer, the rubber oil and the weather-resistant modifier are used in the following mass ratio: 81: 32: 25: 13: 31.
example five:
the weather-resistant modifier is a blend of rock asphalt, an ultraviolet protective agent, an anti-permeability waterproof agent and a flame retardant, and the rock asphalt, the ultraviolet protective agent, the anti-permeability waterproof agent and the flame retardant are used in the following mass ratio: 43: 19: 9: 13;
wherein: the ultraviolet protective agent is a blend of zinc oxide and kaolin, and the dosage of the oxidant and the kaolin is as follows by mass ratio: 3: 7; the flame retardant is a blend of chlorinated polyethylene and calcium stearate, and the dosage of the chlorinated polyethylene and the calcium stearate is as follows according to the mass ratio: 15: 4; the impervious waterproofing agent is polydimethylsiloxane.
The matrix asphalt is petroleum asphalt.
The rubber oil is paraffin-based rubber oil which is produced by Qingdaotai Taiyang chemical limited company and has the model of TOPFINE 3050.
The asphalt stabilizer is a blend of sodium carboxymethyl cellulose, butadiene rubber and butyl rubber, and the dosage of the sodium carboxymethyl cellulose, the dosage of the butadiene rubber and the dosage of the butyl rubber are as follows according to mass ratio: 7: 5: 9.
a lake asphalt production method comprises the following production steps:
(1) heating the matrix asphalt to 200 ℃ through a heat exchanger, then adding the matrix asphalt into a finished product tank, adjusting the tonnage to 15, and stirring for 60min at 1200r/min and 230 ℃;
(2) crushing the lake asphalt raw material to 600 meshes, adding the lake asphalt raw material into a finished product tank in 6 batches every 40min by using a lifting machine, cooling the temperature of the finished product tank to 210 ℃ after the lake asphalt raw material is added, and stirring for 360 min;
(3) after the step (2) is finished, sequentially adding an asphalt stabilizer, rubber oil and a weather-resistant modifier into the finished product tank every 30min, continuously stirring for 180min after the addition is finished, and then carrying out detection and assay to obtain lake asphalt;
wherein the matrix asphalt, the lake asphalt raw material, the asphalt stabilizer, the rubber oil and the weather-resistant modifier are used in the following mass ratio: 85: 35: 24: 15: 15.
relevant performance tests are carried out on the lake asphalt in the first embodiment to the fifth embodiment of the invention, and the test results are as follows:
according to the detection result, the lake asphalt provided by the invention has the advantages of good high temperature resistance, low temperature resistance, water stability, excellent weather resistance, strong impact resistance, difficulty in cracking and longer service life.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (3)
1. The lake asphalt production method is characterized by comprising the following production steps:
(1) heating the matrix asphalt to 193 ℃ through a heat exchanger, then adding the matrix asphalt into a finished product tank, adjusting the tonnage to 11, and stirring for 150min at 950r/min and 210 ℃;
(2) crushing the lake asphalt raw material to 400 meshes, adding the lake asphalt raw material into a finished product tank in 4 batches every 25min by using a lifting machine, cooling the temperature of the finished product tank to 195 ℃ after the lake asphalt raw material is added, and stirring for 320 min;
(3) after the step (2) is finished, sequentially adding an asphalt stabilizer, rubber oil and a weather-resistant modifier into the finished product tank every 20min, continuing stirring for 130min after the addition is finished, and then carrying out detection and assay to obtain lake asphalt;
the matrix asphalt, the lake asphalt raw material, the asphalt stabilizer, the rubber oil and the weather-resistant modifier are used in the following mass ratio: 75: 23: 13: 5: 15;
the weather-resistant modifier is a blend of rock asphalt, an ultraviolet protective agent, an anti-permeability waterproof agent and a flame retardant, and the rock asphalt, the ultraviolet protective agent, the anti-permeability waterproof agent and the flame retardant are used in the following mass ratio: 37: 15: 5: 3;
the ultraviolet protective agent is a blend of zinc oxide and kaolin, and the dosage of the zinc oxide and the kaolin is as follows by mass: 2: 3;
the flame retardant is a blend of chlorinated polyethylene and calcium stearate, and the dosage of the chlorinated polyethylene and the calcium stearate is as follows according to the mass ratio: 13: 3;
the anti-seepage waterproof agent is polydimethylsiloxane;
the asphalt stabilizer is a blend of sodium carboxymethyl cellulose, butadiene rubber and butyl rubber, and the dosage of the sodium carboxymethyl cellulose, the dosage of the butadiene rubber and the dosage of the butyl rubber are as follows according to the mass ratio: 4: 3: 5.
2. the lake asphalt production method according to claim 1, characterized in that: the matrix asphalt is petroleum asphalt.
3. The lake asphalt production method according to claim 1, characterized in that: the rubber oil is paraffin-based rubber oil.
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| WO2017127435A1 (en) * | 2016-01-19 | 2017-07-27 | Green Source Holdings Llc | Recovered asphalt binder and methods |
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| CN101531486A (en) * | 2008-03-12 | 2009-09-16 | 冯志军 | Mixed asphalt and method for preparing same |
| CN101445658A (en) * | 2008-11-05 | 2009-06-03 | 河北省通力沥青技术开发有限公司 | Natural compound modified asphalt and preparation method thereof |
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