CN104327522A - Modified asphalt for construction and preparation method thereof - Google Patents
Modified asphalt for construction and preparation method thereof Download PDFInfo
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- CN104327522A CN104327522A CN201410632881.9A CN201410632881A CN104327522A CN 104327522 A CN104327522 A CN 104327522A CN 201410632881 A CN201410632881 A CN 201410632881A CN 104327522 A CN104327522 A CN 104327522A
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Abstract
The invention discloses a modified asphalt for construction and a preparation method thereof. The asphalt is prepared from asphalt, fatty acid, epoxy resin, methyl ester, polyacrylic acid, sodium chloride water solution, 2,6-tert-butyl-4-methylphenol, vegetable oil 3, triphenylphosphine, graphite powder, silane coupling agent and rosin. The preparation method is simple; the mixture A of the methyl ester, epoxy resin and polyacrylic acid can improve the ductility and adhesion property of the asphalt; the fatty acid, sodium chloride water solution and vegetable oil improve the softening point of the asphalt; the graphite powder and rosin enhance the aging resistance of the asphalt; the silane coupling agent, triphenylphosphine and 2,6-tert-butyl-4-methylphenol improve the viscosity; under the synergistic actions of the components, the high and low temperature properties of the modified asphalt are improved; the high-temperature softening point is 112-118 DEG C, and the low-temperature ductility is 2.5-3.0cm; and thus, the modified asphalt is suitable for construction.
Description
Technical field
The present invention relates to a kind of modifying asphalt for building and preparation method thereof, belong to industrial chemical technical field.
Background technology
The actual mass of highway in China still also exists very important problem.With regard to bituminous pavement, road ubiquity the problem of poor durability, work-ing life short and earlier period damage, the typical depression of bituminous pavement, crack, rut, loose, hole groove etc. damage and are seen everywhere especially in urban road, this has had a strong impact on the use properties of road, causes great economic waste and potential safety hazard.The reason of these pavement damages, except the factor of the aspects such as design, construction, maintenance, the performance of material, especially bituminous material is also important reason.In general, weak, the high-temperature behavior of temperature sensibility and low-temperature performance is good, resistance to deterioration and the strong bituminous material of stability can make the use properties significantly improving road.The performance of existing road asphalt and modifying asphalt can not meet the needs of pavement performance in some aspects, add the development with national economy, Modern Traffic axle load, the volume of traffic are large and inner pressure of tire is high, road pavement it is also proposed higher requirement, therefore, develop and possess the key that more high performance bituminous material is solution China path problem, and the development of asphalt modification technology, make the improvement of asphalt performance and the raising of performance of asphalt mixture become possibility.
Develop outside Current Domestic modifying asphalt have multiple, the most frequently used is the polymer modifiers such as SBS, SBR.These polymer modifiers have respective performance characteristics, can certain or certain several in improve the performance of pitch, road surface disease resistance ability is improved, extends the work-ing life of road.But polymer modifiers mostly is nonpolar, comparatively large with pitch proportion, mass difference, therefore the co-mixing system of they and matrix pitch has thermodynamic phase, easily produces segregation; Meanwhile, the colloid in asphalt component, bituminous matter are polarity, and the bonding force of polymkeric substance and polar material is weak, make Stress transmit efficiency low, cause product performance undesirable; And polymer modifiers is expensive, complex manufacturing, needs the specific equipments such as colloidal mill, and energy consumption is serious, is not suitable for applying in China's Road construction.
Modern society is due to traffic flow and travel frequency sharp increase, and the axle of freight is heavy constantly to be increased, and generally carries out divided lane one-way traffic, requires to improve road surface resistance to flow further, i.e. the ability of Rut resistance under high temperature; Improve flexible and elasticity, i.e. the ability of cracking resistance under low temperature; Improve abrasion performance ability and increase the service life.Existing petroleum pitch has been not suitable with the change of road environment, therefore needs modified pavement asphalt.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of modifying asphalt for building and preparation method thereof is provided.
Technical scheme of the present invention is as follows:
A kind of modifying asphalt for building, be made up of the raw material of following weight parts: pitch 150-180 part, lipid acid 12-18 part, epoxy resin 22-28 part, methyl esters 10-15 part, polyacrylic acid 12-18 part, sodium chloride aqueous solution 2-5 part, 2,6-tri-grades of butyl-4-methylphenol 11-14 parts, vegetables oil 3-6 part, triphenyl phosphine 3-6 part, Graphite Powder 99 0.5-0.8 part, silane coupling agent 1-3 part and rosin 2-8 parts.
Described one modifying asphalt for building, in described sodium chloride aqueous solution, the mass concentration of sodium-chlor is 30-35%.
Described one modifying asphalt for building, described vegetables oil is soybean oil, Viscotrol C, peanut oil or rapeseed oil.
Described one modifying asphalt for building, the weight ratio of described epoxy resin and 2,6-, tri-grades of butyl-4-methylphenols is 2:1.
Described one modifying asphalt for building, the content of organic chloride that described epoxy resin is 350-400mpa.s, 100g the viscosity of 25 DEG C is less than 0.01mol, and softening temperature is 80-90 DEG C.
The preparation method of described modifying asphalt a kind of for building, comprises following step:
(1) epoxy resin, methyl esters and polyacrylic acid are placed in reactor, are react 60-90min under the condition of 35-40 DEG C in temperature, obtain mixture A;
(2) in pitch, lipid acid, sodium chloride aqueous solution, vegetables oil, Graphite Powder 99 and rosin is added successively, abundant stirring, add silane coupling agent, triphenyl phosphine, mixture A and 2 again, 6-tri-grades of butyl-4-methylphenols, obtain modifying asphalt for building after abundant reaction, wherein Graphite Powder 99 crosses 200 mesh sieves.
Beneficial effect of the present invention:
Process for preparing modified asphalt for building of the present invention is simple, methyl esters, the mixture A that epoxy resin and polyacrylic acid are mixed to get can improve the ductility of pitch and the adhesivity of pitch, lipid acid, sodium chloride aqueous solution and vegetables oil improve the softening temperature of pitch, Graphite Powder 99 and rosin improve the resistance to deterioration of pitch, silane coupling agent, triphenyl phosphine and 2, the viscosity that 6-tri-grades of butyl-4-methylphenols improve, each component synergy, the high temperature performance of the modifying asphalt stocking out is all improved, its hot mastication point is 112-118 DEG C, low-temperature ductility is 2.5-3.0cm, be applicable to building to use.
Embodiment
Embodiment 1
In the present embodiment, a kind of modifying asphalt for building, be made up of the raw material of following weight parts: pitch 180 parts, 18 parts, lipid acid, epoxy resin 22 parts, methyl esters 15 parts, polyacrylic acid 12 parts, sodium chloride aqueous solution 2 parts, 2,6-tri-grades of butyl-4-methylphenols 11 parts, soybean oil 6 parts, triphenyl phosphine 3 parts, Graphite Powder 99 0.8 part, silane coupling agent 1 part and rosin 8 parts.
Wherein, in described sodium chloride aqueous solution, the mass concentration of sodium-chlor is 35%; The content of organic chloride that described epoxy resin is 350-400mpa.s, 100g the viscosity of 25 DEG C is less than 0.01mol, and softening temperature is 80-90 DEG C.
The preparation method of described modifying asphalt a kind of for building, comprises following step:
(1) epoxy resin, methyl esters and polyacrylic acid are placed in reactor, are react 90min under the condition of 35 DEG C in temperature, obtain mixture A;
(2) in pitch, lipid acid, sodium chloride aqueous solution, vegetables oil, Graphite Powder 99 and rosin is added successively, abundant stirring, add silane coupling agent, triphenyl phosphine, mixture A and 2 again, 6-tri-grades of butyl-4-methylphenols, obtain modifying asphalt for building after abundant reaction, wherein Graphite Powder 99 crosses 200 mesh sieves.
Embodiment 2
In the present embodiment, a kind of modifying asphalt for building, be made up of the raw material of following weight parts: pitch 150 parts, 12 parts, lipid acid, epoxy resin 28 parts, methyl esters 10 parts, polyacrylic acid 18 parts, sodium chloride aqueous solution 5 parts, 2,6-tri-grades of butyl-4-methylphenols 14 parts, Viscotrol C 3 parts, triphenyl phosphine 6 parts, Graphite Powder 99 0.5 part, silane coupling agent 3 parts and rosin 2 parts.
Wherein, in described sodium chloride aqueous solution, the mass concentration of sodium-chlor is 30%; The content of organic chloride that described epoxy resin is 350-400mpa.s, 100g the viscosity of 25 DEG C is less than 0.01mol, and softening temperature is 80-90 DEG C.
The preparation method of described modifying asphalt a kind of for building, comprises following step:
(1) epoxy resin, methyl esters and polyacrylic acid are placed in reactor, are react 60min under the condition of 40 DEG C in temperature, obtain mixture A;
(2) in pitch, lipid acid, sodium chloride aqueous solution, vegetables oil, Graphite Powder 99 and rosin is added successively, abundant stirring, add silane coupling agent, triphenyl phosphine, mixture A and 2 again, 6-tri-grades of butyl-4-methylphenols, obtain modifying asphalt for building after abundant reaction, wherein Graphite Powder 99 crosses 200 mesh sieves.
Embodiment 3
In the present embodiment, a kind of modifying asphalt for building, be made up of the raw material of following weight parts: pitch 160 parts, 15 parts, lipid acid, epoxy resin 26 parts, methyl esters 11 parts, polyacrylic acid 15 parts, sodium chloride aqueous solution 3 parts, 2,6-tri-grades of butyl-4-methylphenols 13 parts, peanut oil 4 parts, triphenyl phosphine 4 parts, Graphite Powder 99 0.8 part, silane coupling agent 2 parts and rosin 3 parts.
Wherein, in described sodium chloride aqueous solution, the mass concentration of sodium-chlor is 31%; Described one modifying asphalt for building, the content of organic chloride that described epoxy resin is 350-400mpa.s, 100g the viscosity of 25 DEG C is less than 0.01mol, and softening temperature is 80-90 DEG C.
The preparation method of described modifying asphalt a kind of for building, comprises following step:
(1) epoxy resin, methyl esters and polyacrylic acid are placed in reactor, are react 80min under the condition of 40 DEG C in temperature, obtain mixture A;
(2) in pitch, lipid acid, sodium chloride aqueous solution, vegetables oil, Graphite Powder 99 and rosin is added successively, abundant stirring, add silane coupling agent, triphenyl phosphine, mixture A and 2 again, 6-tri-grades of butyl-4-methylphenols, obtain modifying asphalt for building after abundant reaction, wherein Graphite Powder 99 crosses 200 mesh sieves.
Embodiment 4
In the present embodiment, a kind of modifying asphalt for building, be made up of the raw material of following weight parts: pitch 170 parts, 16 parts, lipid acid, epoxy resin 24 parts, methyl esters 14 parts, polyacrylic acid 16 parts, sodium chloride aqueous solution 5 parts, 2,6-tri-grades of butyl-4-methylphenols 12 parts, rapeseed oil 5 parts, triphenyl phosphine 6 parts, Graphite Powder 99 0.6 part, silane coupling agent 1 part and rosin 5 parts.
Wherein, in described sodium chloride aqueous solution, the mass concentration of sodium-chlor is 32%; The content of organic chloride that described epoxy resin is 350-400mpa.s, 100g the viscosity of 25 DEG C is less than 0.01mol, and softening temperature is 80-90 DEG C.
The preparation method of described modifying asphalt a kind of for building, comprises following step:
(1) epoxy resin, methyl esters and polyacrylic acid are placed in reactor, are react 90min under the condition of 40 DEG C in temperature, obtain mixture A;
(2) in pitch, lipid acid, sodium chloride aqueous solution, vegetables oil, Graphite Powder 99 and rosin is added successively, abundant stirring, add silane coupling agent, triphenyl phosphine, mixture A and 2 again, 6-tri-grades of butyl-4-methylphenols, obtain modifying asphalt for building after abundant reaction, wherein Graphite Powder 99 crosses 200 mesh sieves.
Embodiment 5
In the present embodiment, a kind of modifying asphalt for building, be made up of the raw material of following weight parts: pitch 170 parts, 17 parts, lipid acid, epoxy resin 22 parts, methyl esters 14 parts, polyacrylic acid 14 parts, sodium chloride aqueous solution 2 parts, 2,6-tri-grades of butyl-4-methylphenols 11 parts, Viscotrol C 6 parts, triphenyl phosphine 3 parts, Graphite Powder 99 0.7 part, silane coupling agent 3 parts and rosin 6 parts.
Wherein, in described sodium chloride aqueous solution, the mass concentration of sodium-chlor is 30-35%; The content of organic chloride that described epoxy resin is 350-400mpa.s, 100g the viscosity of 25 DEG C is less than 0.01mol, and softening temperature is 80-90 DEG C.
The preparation method of described modifying asphalt a kind of for building, comprises following step:
(1) epoxy resin, methyl esters and polyacrylic acid are placed in reactor, are react 60-90min under the condition of 35-40 DEG C in temperature, obtain mixture A;
(2) in pitch, lipid acid, sodium chloride aqueous solution, vegetables oil, Graphite Powder 99 and rosin is added successively, abundant stirring, add silane coupling agent, triphenyl phosphine, mixture A and 2 again, 6-tri-grades of butyl-4-methylphenols, obtain modifying asphalt for building after abundant reaction, wherein Graphite Powder 99 crosses 200 mesh sieves.
Claims (6)
1. a modifying asphalt for building, it is characterized in that: be made up of the raw material of following weight parts: pitch 150-180 part, lipid acid 12-18 part, epoxy resin 22-28 part, methyl esters 10-15 part, polyacrylic acid 12-18 part, sodium chloride aqueous solution 2-5 part, 2,6-tri-grades of butyl-4-methylphenol 11-14 parts, vegetables oil 3-6 part, triphenyl phosphine 3-6 part, Graphite Powder 99 0.5-0.8 part, silane coupling agent 1-3 part and rosin 2-8 parts.
2. one according to claim 1 modifying asphalt for building, is characterized in that: in described sodium chloride aqueous solution, the mass concentration of sodium-chlor is 30-35%.
3. one according to claim 1 modifying asphalt for building, is characterized in that: described vegetables oil is soybean oil, Viscotrol C, peanut oil or rapeseed oil.
4. one according to claim 1 modifying asphalt for building, is characterized in that: the weight ratio of described epoxy resin and 2,6-, tri-grades of butyl-4-methylphenols is 2:1.
5. the modifying asphalt for building of the one according to claim 1 or 4, is characterized in that: the content of organic chloride that described epoxy resin is 350-400mpa.s, 100g the viscosity of 25 DEG C is less than 0.01mol, and softening temperature is 80-90 DEG C.
6. the preparation method of a kind of modifying asphalt for building according to claim 1, is characterized in that: comprise following step:
(1) epoxy resin, methyl esters and polyacrylic acid are placed in reactor, are react 60-90min under the condition of 35-40 DEG C in temperature, obtain mixture A;
(2) in pitch, lipid acid, sodium chloride aqueous solution, vegetables oil, Graphite Powder 99 and rosin is added successively, abundant stirring, add silane coupling agent, triphenyl phosphine, mixture A and 2 again, 6-tri-grades of butyl-4-methylphenols, obtain modifying asphalt for building after abundant reaction, wherein Graphite Powder 99 crosses 200 mesh sieves.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410632881.9A CN104327522B (en) | 2014-11-12 | 2014-11-12 | A kind of modified pitch for building and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410632881.9A CN104327522B (en) | 2014-11-12 | 2014-11-12 | A kind of modified pitch for building and preparation method thereof |
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| CN104327522A true CN104327522A (en) | 2015-02-04 |
| CN104327522B CN104327522B (en) | 2016-09-21 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108794885A (en) * | 2018-06-05 | 2018-11-13 | 台州市黄岩广环工贸有限公司 | Anti-aging impact-resistant modified polypropylene material and preparation method thereof |
| CN108841187A (en) * | 2018-07-21 | 2018-11-20 | 朱红艳 | A kind of polyisobutene modified asphalt for construction and preparation method |
| CN109251544A (en) * | 2018-08-24 | 2019-01-22 | 朱红艳 | A kind of polyisobutene modified asphalt for construction and preparation method |
| CN114605101A (en) * | 2020-12-09 | 2022-06-10 | 浙江泛海交通工程有限公司 | Asphalt additive and asphalt mixture containing same |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108794885A (en) * | 2018-06-05 | 2018-11-13 | 台州市黄岩广环工贸有限公司 | Anti-aging impact-resistant modified polypropylene material and preparation method thereof |
| CN108841187A (en) * | 2018-07-21 | 2018-11-20 | 朱红艳 | A kind of polyisobutene modified asphalt for construction and preparation method |
| CN109251544A (en) * | 2018-08-24 | 2019-01-22 | 朱红艳 | A kind of polyisobutene modified asphalt for construction and preparation method |
| CN114605101A (en) * | 2020-12-09 | 2022-06-10 | 浙江泛海交通工程有限公司 | Asphalt additive and asphalt mixture containing same |
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| CN104327522B (en) | 2016-09-21 |
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