CN109836836A - Lake asphalt production method - Google Patents
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Abstract
The invention discloses a kind of lake asphalt production methods, it is related to pitch field, aim to solve the problem that the problem of existing lake asphalt weatherability difference, technical points comprise the following production steps that matrix pitch is heated to 190-200 DEG C through over-heat-exchanger by (1), it is then added in finished pot, 10-15 tonnage is adjusted, and stirs 60-180min in the state that 900-1200r/min and temperature are 200-230 DEG C；(2) lake asphalt raw material is crushed to 300-600 mesh, then 3-6 batches are divided to be added in finished pot every 20-40min lake asphalt raw material by elevator, after lake asphalt raw material is added, the temperature of finished pot is down to 190-210 DEG C, then stirs 300-360min；(3) after step (2), asphalt stabilizer, rubber oil and weather-proof modifying agent are sequentially added every 10-30min into finished pot, after addition, continues to stir 120-180min, then carries out detection chemical examination, lake asphalt is made；By adding the additives such as weather-proof modifying agent, the weatherability of lake asphalt can be greatly improved, the service life of lake asphalt is increased.
Description
Technical field
The present invention relates to pitch fields, more specifically, it relates to a kind of lake asphalt production method.
Background technique
The dark brown complex mixture that pitch is made of the hydrocarbon and its non metallic derivatives of different molecular weight,
It is one kind of high viscosity organic liquid, is in a liquid state, surface is in black；Pitch is a kind of waterproof and dampproof and organic gelling material of corrosion-resistant
Material；Pitch can be mainly divided into coal tar pitch, asphalt and three kinds of bitumen, wherein coal tar pitch is the by-product of coking
Product, asphalt are the residues after crude distillation, and bitumen is then to be stored at underground, including lake asphalt, seabed pitch and rock
Pitch, some formation ore beds or earth's crust surface accumulate.
Lake asphalt is widely used in civil engineering and road engineering as a kind of bitumen, still, due to pitch
In use, be subjected to exposing to the sun and rain for a long time, it is easy to the aging that discharges, cracking the problems such as, therefore improve pitch it is weather-proof
Property is one of asphalt industry urgent problem to be solved.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of production method of lake asphalt, pass through
The additives such as weather-proof modifying agent are added, the weatherability of lake asphalt can be greatly improved, increase the service life of lake asphalt.
To achieve the above object, the present invention provides the following technical scheme that
A kind of lake asphalt production method, comprises the following production steps that
(1) matrix pitch is heated to 190-200 DEG C through over-heat-exchanger, be then added in finished pot, adjusted and arrive 10-15 tons
Position, and 60-180min is stirred in the state that 900-1200r/min and temperature are 200-230 DEG C；
(2) lake asphalt raw material is crushed to 300-600 mesh, then divides lake asphalt raw material to 3- every 20-40min by elevator
6 batches are added in finished pot, after lake asphalt raw material is added, the temperature of finished pot are down to 190-210 DEG C, is then stirred
300-360min；
(3) after step (2), asphalt stabilizer, rubber oil and weather-proof are sequentially added every 10-30min into finished pot
Modifying agent after addition, continues to stir 120-180min, then carries out detection chemical examination, lake asphalt is made；
The matrix pitch, lake asphalt raw material, asphalt stabilizer, rubber oil and weather-proof modifying agent dosage in mass ratio are as follows:
(72-85): (21-35): (11-25): (2-15): (12-35).
By taking above-mentioned technical proposal, matrix pitch is preheated by heat exchanger, can not only be saved pair
Finished pot energy used when heating up, and the viscosity of matrix pitch is advantageously reduced, be conducive to the conveying of matrix pitch, then exist
Matrix pitch is subjected to high-temperature stirring in finished pot, each component in matrix pitch can not only be uniformly mixed, but also guarantee
The matrix pitch viscosity at position is consistent in finished pot, is conducive to the mixing of later period additive；After lake asphalt raw material is crushed
Finished pot is added portionwise, lake asphalt raw material can be made more uniformly to be blended in matrix pitch, localized agglomeration will not occur
Phenomenon avoids each position property of the lake asphalt produced uneven, influences the use of lake asphalt；It is dripped in lake asphalt raw material and matrix
Green mixture can form reticular structure to asphalt stabilizer is added inside lake asphalt, and then lake asphalt is avoided to use
The problem of creep and cracking occurs because being influenced by high temperature or external impact force in the process；Rubber oil is added, it not only can benefit
With it between high molecular material good compatibility, be homogenously mixed together each component in lake asphalt, and its is excellent
Flexibility also can be further improved the toughness and shock resistance of lake asphalt；Meanwhile the present invention is also added into weather-proof modification
Agent can greatly improve the weatherability of lake asphalt by functional additive therein, make its high temperature resistance, lower temperature resistance
It can be greatly improved with water stability, and then the pot life of lake asphalt can be increased.
The further setting of the present invention is that the weatherability modifying agent is rock asphalt, ultra-violet protecting agent, antiseeping waterproofing agent
With the blend of fire retardant, the rock asphalt, ultra-violet protecting agent, antiseeping waterproofing agent and fire retardant dosage in mass ratio are as follows:
(35-46): (12-21): (3-11): (2-15).
By taking above-mentioned technical proposal, for rock asphalt as a kind of bitumen, it is heavy up to 1 years to be that petroleum passes through
Product, variation, the bitumen generated under the comprehensive function of heat, pressure, oxidation, catalyst, bacterium etc., therefore, in lake asphalt
Interior addition rock asphalt can effectively improve the high-temperature stability and impact resistance of lake asphalt；Ultra-violet protecting agent is added, makes it
One layer of ultraviolet screener layer is formed on lake asphalt surface, prevents ultraviolet light from entering the inside of lake asphalt molecular structure, prevents lake
Because being influenced by ultraviolet light aging occurs for each component in pitch；Antiseeping waterproofing agent, which is added, then effectively prevents moisture penetration from entering
The inside of lake asphalt generates aqueous corrosion to lake asphalt, and then improves the water stability of lake asphalt；Fire retardant then avoids in lake asphalt
Combustible component in the use process of lake asphalt, combustion decomposition is occurred by open fire, not only can be to avoid the damage of lake asphalt
It is bad, and the safety that lake asphalt uses can be improved.
The further setting of the present invention is that the ultra-violet protecting agent is zinc oxide and kaolinic blend, the oxygen
Agent and kaolinic dosage are in mass ratio are as follows: (1-3): (2-7).
By taking above-mentioned technical proposal, as N-type semiconductor, the electronics in valence band can receive in ultraviolet light zinc oxide
Energy and find transition, and then ultraviolet light is absorbed, meanwhile, zinc oxide particles can also be scattered work to ultraviolet light
With, and then the inside of lake asphalt molecular structure can be entered to avoid ultraviolet light；It is a kind of viscous with kaolinite race that kaolin, which is used as,
Clay and clay rock based on native mineral, mainly by kaolinite, galapectite, hydromica, illite, montmorillonite and quartz, length
The mineral compositions such as stone, the electronics inside component molecular can be absorbed photon and the transition of energy level have occurred, and kaolin component
Electronics when energy level transition occurs, electron energy level it is quantized due to, ultraviolet light can be absorbed, therefore high
Ridge soil has good anti-ultraviolet function, meanwhile, kaolin has good plasticity and fire resistance, can be further
The shock resistance and fire protecting performance for improving lake asphalt, increase the service life and safety in utilization of lake asphalt.
The further setting of the present invention is that the fire retardant is the blend of haloflex and calcium stearate, the chlorine
The dosage of change polyethylene and calcium stearate is in mass ratio are as follows: (11-15): (2-5).
By taking above-mentioned technical proposal, haloflex can produce burning since there are halogens chlorines in molecular structure
Raw free radical is captured and is eliminated, cut off free radical lock reaction, and then achieve the effect that it is fire-retardant, still, by
During preparing lake asphalt, needing high-temperature stirring, the chlorine element on haloflex is easily separated to form hydrogen chloride, because
This, calcium stearate, which is added, can capture advantageous chlorine element, and then can guarantee the anti-flammability of haloflex, together
When, haloflex can still have in the environment of low temperature with good flexibility, therefore, haloflex is added and may be used also
To increase the toughness of lake asphalt, and then increase the shock resistance of lake asphalt, prevents lake asphalt from cracking in use
The problems such as.
The further setting of the present invention is that the antiseeping waterproofing agent is dimethyl silicone polymer.
By taking above-mentioned technical proposal, dimethyl silicone polymer is not electricity as a kind of organic silicon hydrophobic material
Sub- polarizability, hydrogen bond can not be formed with water, and then there is repulsion ability to water, therefore dimethyl silicone polymer is added to
In lake asphalt, it can avoid lake asphalt that aqueous corrosion occurs, and then increase the water of lake asphalt to avoid moisture to lake asphalt internal penetration
Stability.
The further setting of the present invention is that the matrix pitch is asphalt.
By taking above-mentioned technical proposal, for asphalt as the residue after crude distillation, adhesion property is excellent, can be with
It is combined together well with the other components in lake asphalt, and its resilience performance and excellent tenacity, lake asphalt can be reinforced
The rutting resistance of road used time, meanwhile, with good high-temperature stability, low-temperature cracking-resistance and water resistant evil property, and then can be with
Make the weatherability of lake asphalt and the reinforcement of the available progress of pavement performance, increases the service life of lake asphalt.
The further setting of the present invention is that the rubber oil is paraffinic base rubber oil.
By taking above-mentioned technical proposal, paraffinic base rubber oil can use it in addition to the performance with rubber oil itself
The good compatibility between high molecular material is homogenously mixed together each component in lake asphalt, and its is excellent soft
Toughness also can be further improved the toughness and shock resistance of lake asphalt, and paraffinic base rubber oil is nontoxic, improves
The safety for using and producing, is also beneficial to environmental protection.
The further setting of the present invention is that the asphalt stabilizer is sodium carboxymethylcellulose, butadiene rubber and butyl rubber
The blend of glue, the dosage of the sodium carboxymethylcellulose, butadiene rubber and butyl rubber is in mass ratio are as follows: (3-7): (2-5):
(4-9)。
By taking above-mentioned technical proposal, sodium carboxymethylcellulose, butadiene rubber and butyl rubber are added to lake asphalt
It is interior, reticular structure can be formed inside lake asphalt, and then avoid lake asphalt in use because by high temperature or external punching
The problem of hitting the influence of power and creep and cracking occur, while sodium carboxymethylcellulose has good dispersibility, can promote
Mix each component in lake asphalt more uniform.
In conclusion the invention has the following advantages:
1. the present invention preheats matrix pitch by heat exchanger, energy used when can not only save to finished pot heating
Amount, and advantageously reduces the viscosity of matrix pitch, is conducive to the conveying of matrix pitch, then by matrix pitch in finished pot
Interior carry out high-temperature stirring can not only be such that each component in matrix pitch is uniformly mixed, but also guarantee the base at position in finished pot
Matter asphalt viscosity is consistent, is conducive to the mixing of later period additive；Finished pot is added portionwise after being crushed in lake asphalt raw material, can be with
It is blended in lake asphalt raw material more uniformly in matrix pitch, the lake produced will not be avoided there is a phenomenon where localized agglomeration
Each position property of pitch is uneven, influences the use of lake asphalt；
2. the present invention in the mixture of lake asphalt raw material and matrix pitch to asphalt stabilizer is added, can inside lake asphalt shape
Structure is reticulated, and then avoids lake asphalt that creep occurs because being influenced by high temperature or external impact force in use and opens
The problem of splitting；Rubber oil is added, not only can use its good compatibility between high molecular material, make each in lake asphalt
Component is homogenously mixed together, and its excellent flexibility also can be further improved the toughness and impact resistance of lake asphalt
Energy；Meanwhile the present invention is also added into weather-proof modifying agent, by functional additive therein, can greatly improve lake asphalt
Weatherability makes its high temperature resistance, resistance to low temperature and water stability that can be greatly improved, and then can increase lake
The pot life of pitch；
3. in weather-proof modifying agent of the invention, rock asphalt is added, the high-temperature stability of lake asphalt can effectively improve and by impact
Ability；Ultra-violet protecting agent is added, it is made to form one layer of ultraviolet screener layer on lake asphalt surface, ultraviolet light is prevented to enter lake
The inside of asphaltene molecule structure prevents each component in lake asphalt from because being influenced by ultraviolet light aging occurring；Impervious waterproof is added
Agent then effectively prevents moisture penetration from entering the inside of lake asphalt, generates aqueous corrosion to lake asphalt, and then improve the water of lake asphalt
Stability；Fire retardant then avoids the combustible component in lake asphalt in the use process of lake asphalt, is burnt by open fire
It decomposes, not only can be to avoid the damage of lake asphalt, but also the safety that lake asphalt uses can be improved.
Specific embodiment
Invention is further described in detail with reference to embodiments.
Embodiment one:
Weatherability modifying agent is the blend of rock asphalt, ultra-violet protecting agent, antiseeping waterproofing agent and fire retardant in the present invention, described
Rock asphalt, ultra-violet protecting agent, antiseeping waterproofing agent and fire retardant dosage in mass ratio are as follows: 35:12:3:2；
Wherein: ultra-violet protecting agent is zinc oxide and kaolinic blend, and oxidant and kaolinic dosage are in mass ratio are as follows:
1:2；Fire retardant is the blend of haloflex and calcium stearate, and the dosage of haloflex and calcium stearate is in mass ratio
Are as follows: 11:2；Antiseeping waterproofing agent is dimethyl silicone polymer.
Matrix pitch is asphalt.
Rubber oil is paraffinic base rubber oil, is the model TOPFINE3050 of Qingdao Tai Yang Chemical Co., Ltd. production
Paraffinic base rubber oil.
Asphalt stabilizer be sodium carboxymethylcellulose, butadiene rubber and butyl rubber blend, sodium carboxymethylcellulose,
The dosage of butadiene rubber and butyl rubber is in mass ratio are as follows: 3:2:4.
A kind of lake asphalt production method, comprises the following production steps that
(1) matrix pitch is heated to 190 DEG C through over-heat-exchanger, be then added in finished pot, adjusted to 10 tonnages, and
900r/min and temperature stir 180min in the state of being 200 DEG C；
(2) lake asphalt raw material is crushed to 300 mesh, is then added to lake asphalt raw material every 20min points 3 batches by elevator
In finished pot, after lake asphalt raw material is added, the temperature of finished pot is down to 190 DEG C, then stirs 300min；
(3) after step (2), asphalt stabilizer, rubber oil and weather-proof modification are sequentially added every 10min into finished pot
Agent after addition, continues to stir 120min, then carries out detection chemical examination, lake asphalt is made；
Wherein the dosage of matrix pitch, lake asphalt raw material, asphalt stabilizer, rubber oil and weather-proof modifying agent is in mass ratio are as follows: 72:
21:11:2:12.
Embodiment two:
Weatherability modifying agent is the blend of rock asphalt, ultra-violet protecting agent, antiseeping waterproofing agent and fire retardant in the present invention, described
Rock asphalt, ultra-violet protecting agent, antiseeping waterproofing agent and fire retardant dosage in mass ratio are as follows: 37:15:5:3；
Wherein: ultra-violet protecting agent is zinc oxide and kaolinic blend, and oxidant and kaolinic dosage are in mass ratio are as follows:
2:3；Fire retardant is the blend of haloflex and calcium stearate, and the dosage of haloflex and calcium stearate is in mass ratio
Are as follows: 13:3；Antiseeping waterproofing agent is dimethyl silicone polymer.
Matrix pitch is asphalt.
Rubber oil is paraffinic base rubber oil, is the model TOPFINE3050 of Qingdao Tai Yang Chemical Co., Ltd. production
Paraffinic base rubber oil.
Asphalt stabilizer is the blend of sodium carboxymethylcellulose, butadiene rubber and butyl rubber, the carboxymethyl cellulose
The dosage of plain sodium, butadiene rubber and butyl rubber is in mass ratio are as follows: 4:3:5.
A kind of lake asphalt production method, comprises the following production steps that
(1) matrix pitch is heated to 193 DEG C through over-heat-exchanger, be then added in finished pot, adjusted to 11 tonnages, and
950r/min and temperature stir 150min in the state of being 210 DEG C；
(2) lake asphalt raw material is crushed to 400 mesh, is then added to lake asphalt raw material every 25min points 4 batches by elevator
In finished pot, after lake asphalt raw material is added, the temperature of finished pot is down to 195 DEG C, then stirs 320min；
(3) after step (2), asphalt stabilizer, rubber oil and weather-proof modification are sequentially added every 20min into finished pot
Agent after addition, continues to stir 130min, then carries out detection chemical examination, lake asphalt is made；
Wherein the dosage of matrix pitch, lake asphalt raw material, asphalt stabilizer, rubber oil and weather-proof modifying agent is in mass ratio are as follows: 75:
23:13:5:15.
Embodiment three:
Weatherability modifying agent is the blend of rock asphalt, ultra-violet protecting agent, antiseeping waterproofing agent and fire retardant in the present invention, described
Rock asphalt, ultra-violet protecting agent, antiseeping waterproofing agent and fire retardant dosage in mass ratio are as follows: 39:14:7:7；
Wherein: ultra-violet protecting agent is zinc oxide and kaolinic blend, and the oxidant and kaolinic dosage press quality
Than are as follows: 2:5；
Fire retardant is the blend of haloflex and calcium stearate, and the dosage of the haloflex and calcium stearate presses quality
Than are as follows: 14:3；
Antiseeping waterproofing agent is dimethyl silicone polymer.
Matrix pitch is asphalt.
Rubber oil is paraffinic base rubber oil, is the model TOPFINE3050 of Qingdao Tai Yang Chemical Co., Ltd. production
Paraffinic base rubber oil.
Asphalt stabilizer is the blend of sodium carboxymethylcellulose, butadiene rubber and butyl rubber, the carboxymethyl cellulose
The dosage of plain sodium, butadiene rubber and butyl rubber is in mass ratio are as follows: 5:4:6.
A kind of lake asphalt production method, comprises the following production steps that
(1) matrix pitch is heated to 195 DEG C through over-heat-exchanger, be then added in finished pot, adjusted to 12 tonnages, and
1000r/min and temperature stir 120min in the state of being 220 DEG C；
(2) lake asphalt raw material is crushed to 300-600 mesh, is then added lake asphalt raw material every 30min points 5 batches by elevator
Enter into finished pot, after lake asphalt raw material is added, the temperature of finished pot is down to 200 DEG C, then stirs 340min；
(3) after step (2), asphalt stabilizer, rubber oil and weather-proof modification are sequentially added every 20min into finished pot
Agent after addition, continues to stir 150min, then carries out detection chemical examination, lake asphalt is made；
Wherein the dosage of matrix pitch, lake asphalt raw material, asphalt stabilizer, rubber oil and weather-proof modifying agent is in mass ratio are as follows: 76:
27:15:9:20.
Example IV:
Weatherability modifying agent is the blend of rock asphalt, ultra-violet protecting agent, antiseeping waterproofing agent and fire retardant in the present invention, described
Rock asphalt, ultra-violet protecting agent, antiseeping waterproofing agent and fire retardant dosage in mass ratio are as follows: 41:19:8:13；
Wherein: ultra-violet protecting agent is zinc oxide and kaolinic blend, and oxidant and kaolinic dosage are in mass ratio are as follows:
3:5；Fire retardant is the blend of haloflex and calcium stearate, and the dosage of haloflex and calcium stearate is in mass ratio
Are as follows: 14:5；Antiseeping waterproofing agent is dimethyl silicone polymer.
Matrix pitch is asphalt.
Rubber oil is paraffinic base rubber oil, is the model TOPFINE3050 of Qingdao Tai Yang Chemical Co., Ltd. production
Paraffinic base rubber oil.
Asphalt stabilizer is the blend of sodium carboxymethylcellulose, butadiene rubber and butyl rubber, the carboxymethyl cellulose
The dosage of plain sodium, butadiene rubber and butyl rubber is in mass ratio are as follows: 5:5:7.
A kind of lake asphalt production method, comprises the following production steps that
(1) matrix pitch is heated to 200 DEG C through over-heat-exchanger, be then added in finished pot, adjusted to 14 tonnages, and
1100r/min and temperature stir 80min in the state of being 220 DEG C；
(2) lake asphalt raw material is crushed to 500 mesh, is then added to lake asphalt raw material every 35min points 4 batches by elevator
In finished pot, after lake asphalt raw material is added, the temperature of finished pot is down to 205 DEG C, then stirs 350min；
(3) after step (2), asphalt stabilizer, rubber oil and weather-proof modification are sequentially added every 25min into finished pot
Agent after addition, continues to stir 160min, then carries out detection chemical examination, lake asphalt is made；
Wherein the dosage of matrix pitch, lake asphalt raw material, asphalt stabilizer, rubber oil and weather-proof modifying agent is in mass ratio are as follows: 81:
32:25:13:31.
Embodiment five:
Weatherability modifying agent is the blend of rock asphalt, ultra-violet protecting agent, antiseeping waterproofing agent and fire retardant in the present invention, described
Rock asphalt, ultra-violet protecting agent, antiseeping waterproofing agent and fire retardant dosage in mass ratio are as follows: 43:19:9:13；
Wherein: ultra-violet protecting agent is zinc oxide and kaolinic blend, and oxidant and kaolinic dosage are in mass ratio are as follows:
3:7；Fire retardant is the blend of haloflex and calcium stearate, and the dosage of haloflex and calcium stearate is in mass ratio
Are as follows: 15:4；Antiseeping waterproofing agent is dimethyl silicone polymer.
Matrix pitch is asphalt.
Rubber oil is paraffinic base rubber oil, is the model TOPFINE3050 of Qingdao Tai Yang Chemical Co., Ltd. production
Paraffinic base rubber oil.
Asphalt stabilizer is the blend of sodium carboxymethylcellulose, butadiene rubber and butyl rubber, the carboxymethyl cellulose
The dosage of plain sodium, butadiene rubber and butyl rubber is in mass ratio are as follows: 7:5:9.
A kind of lake asphalt production method, comprises the following production steps that
(1) matrix pitch is heated to 200 DEG C through over-heat-exchanger, be then added in finished pot, adjusted to 15 tonnages, and
1200r/min and temperature stir 60min in the state of being 230 DEG C；
(2) lake asphalt raw material is crushed to 600 mesh, is then added to lake asphalt raw material every 40min points 6 batches by elevator
In finished pot, after lake asphalt raw material is added, the temperature of finished pot is down to 210 DEG C, then stirs 360min；
(3) after step (2), asphalt stabilizer, rubber oil and weather-proof modification are sequentially added every 30min into finished pot
Agent after addition, continues to stir 180min, then carries out detection chemical examination, lake asphalt is made；
Wherein the dosage of matrix pitch, lake asphalt raw material, asphalt stabilizer, rubber oil and weather-proof modifying agent is in mass ratio are as follows: 85:
35:24:15:15.
Comparative example:
The present invention creates the lake asphalt of the model 90# that magnificent chemical industry commerce and trade company sells as comparative example using Hengshui Wu Yi, and with this hair
Lake asphalt of the bright middle embodiment one into embodiment five does correlated performance detection together, and testing result is as follows:
It is resistance to by testing result it is found that lake asphalt of the invention has good high temperature resistance, resistance to low temperature and water stability
Time property is excellent, and strong shock resistance, not easy to crack, has the longer pot life.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (8)
1. a kind of lake asphalt production method, it is characterised in that comprise the following production steps that
(1) matrix pitch is heated to 190-200 DEG C through over-heat-exchanger, be then added in finished pot, adjusted and arrive 10-15 tons
Position, and 60-180min is stirred in the state that 900-1200r/min and temperature are 200-230 DEG C；
(2) lake asphalt raw material is crushed to 300-600 mesh, then divides lake asphalt raw material to 3- every 20-40min by elevator
6 batches are added in finished pot, after lake asphalt raw material is added, the temperature of finished pot are down to 190-210 DEG C, is then stirred
300-360min；
(3) after step (2), asphalt stabilizer, rubber oil and weather-proof are sequentially added every 10-30min into finished pot
Modifying agent after addition, continues to stir 120-180min, then carries out detection chemical examination, lake asphalt is made；
The matrix pitch, lake asphalt raw material, asphalt stabilizer, rubber oil and weather-proof modifying agent dosage in mass ratio are as follows:
(72-85): (21-35): (11-25): (2-15): (12-35).
2. lake asphalt production method according to claim 1, it is characterised in that: the weatherability modifying agent be rock asphalt,
The blend of ultra-violet protecting agent, antiseeping waterproofing agent and fire retardant, the rock asphalt, ultra-violet protecting agent, antiseeping waterproofing agent and
The dosage of fire retardant is in mass ratio are as follows: (35-46): (12-21): (3-11): (2-15).
3. lake asphalt production method according to claim 2, it is characterised in that: the ultra-violet protecting agent be zinc oxide and
Kaolinic blend, the oxidant and kaolinic dosage are in mass ratio are as follows: (1-3): (2-7).
4. lake asphalt production method according to claim 2, it is characterised in that: the fire retardant is for haloflex and firmly
The dosage of the blend of resin acid calcium, the haloflex and calcium stearate is in mass ratio are as follows: (11-15): (2-5).
5. lake asphalt production method according to claim 2, it is characterised in that: the antiseeping waterproofing agent is poly dimethyl silicon
Oxygen alkane.
6. lake asphalt production method according to claim 1, it is characterised in that: the matrix pitch is asphalt.
7. lake asphalt production method according to claim 1, it is characterised in that: the rubber oil is paraffinic base rubber oil.
8. lake asphalt production method according to claim 1, it is characterised in that: the asphalt stabilizer is carboxymethyl cellulose
The dosage of the blend of plain sodium, butadiene rubber and butyl rubber, the sodium carboxymethylcellulose, butadiene rubber and butyl rubber is pressed
Mass ratio are as follows: (3-7): (2-5): (4-9).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114806196A (en) * | 2022-04-07 | 2022-07-29 | 江西新越沥青有限公司 | Preparation method of modified asphalt with heat preservation and insulation functions |
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