CN107628775A - A kind of preparation method of high temperature resistant asphalt concrete - Google Patents
A kind of preparation method of high temperature resistant asphalt concrete Download PDFInfo
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- CN107628775A CN107628775A CN201710948204.1A CN201710948204A CN107628775A CN 107628775 A CN107628775 A CN 107628775A CN 201710948204 A CN201710948204 A CN 201710948204A CN 107628775 A CN107628775 A CN 107628775A
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- high temperature
- temperature resistant
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- asphalt concrete
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Abstract
The invention discloses a kind of preparation method of high temperature resistant asphalt concrete, comprise the following steps：Step1, matrix pitch is poured into reactor, reactor temperature is increased to 300 320 DEG C, then adds perfluoroelastomers, hydrogenated nitrile-butadiene rubber, boron-silicon rubber, glue nurse base ester glue and SBS thermoplastic elastomer (TPE)s, stirring reaction；Step2, reactor temperature is reduced to 200 220 DEG C, adds furfural, flake asbestos, zinc oxide, silicon nitride, chromium carbide, aluminum plating glass microballon, calcium sulfate crystal whiskers powder and chlorinated paraffin, stirring reaction；Step3, the mixture that step 2 is obtained are poured into ultrasonic dispersing machine, add compound resin, dimethylbenzene, zinc naphthenate, barium mahogany sulfonate, kerosene, lauroyl diethanolamine and auxiliary agent, are carried out ultrasonic wave and are disperseed；Step4, the mixture that step 3 is obtained carries out shearing using high-speed shearing machine to be disperseed, and is stirred after stopping at 150 160 DEG C 30 50 minutes, that is, high temperature resistant asphalt concrete is made.
Description
Technical field
The present invention relates to technical field of civil engineering, more particularly to a kind of preparation method of high temperature resistant asphalt concrete.
Background technology
After the dust-proof of bituminous paving, antidetonation, anti-skid, noise reduction, long-lived a variety of advantages are found that, pitch coagulation
Soil surface widely uses all over the world, especially in China, the laying area of bituminous paving come into the world first three
Position.
Along with the development of extensive road construction, road-making material demand is growing day by day, especially the supply of asphalt material
Amount and quality, turn into the lifeblood for restricting advanced road development.
Plain asphalt can not meet the needs of high-grade Supporting Load Pavement, general under high-temperature and high pressure force environment
Logical the rigid, elastic of bituminous paving, toughness, significantly insufficient, dynamic viscosity of the plain asphalt compound at 60 DEG C of deformation retinue property
It is smaller, easily there is rut under high pressure effect, easily occur passage under shear stress on interface effect, embrace, acted in temperature difference
Lower steel plate deformation is larger and compound deformation association is poor easily cracking from property, and resisting temperature fatigue and load fatigue behaviour are poor easily
The problems such as producing cracking, coming off.
The content of the invention
The technical problems to be solved by the invention are to overcome drawbacks described above present in prior art, it is further provided one
The preparation method of kind high temperature resistant asphalt concrete.
The technical problems to be solved by the invention are realized using following technical scheme：
A kind of preparation method of high temperature resistant asphalt concrete, comprises the following steps：
Step1, matrix pitch is poured into reactor, reactor temperature is increased to 300-320 DEG C, then adds perfluoroether
Rubber, hydrogenated nitrile-butadiene rubber, boron-silicon rubber, glue nurse base ester glue and SBS thermoplastic elastomer (TPE)s, stirring reaction 80-90 minutes；
Step2, reactor temperature is reduced to 200-220 DEG C, adds furfural, flake asbestos, zinc oxide, silicon nitride, carbon
Change chromium, aluminum plating glass microballon, calcium sulfate crystal whiskers powder and chlorinated paraffin, stirring reaction 50-60 minutes；
Step3, the mixture that step 2 is obtained are poured into ultrasonic dispersing machine, add compound resin, dimethylbenzene, ring
Alkanoic acid zinc, barium mahogany sulfonate, kerosene, lauroyl diethanolamine and auxiliary agent, carry out ultrasonic wave and disperse, ultrasonic power 120-
150W, jitter time are 30-50 minutes, and dispersion temperature is 150-160 DEG C；
Step4, the mixture that step 3 is obtained is using high-speed shearing machine in 150-160 DEG C, 8000-9000 revs/min of shearing
Speed down cut disperses 10-20 minutes, stirs 30-50 minutes after stopping at 150-160 DEG C, that is, high temperature resistant asphalt coagulation is made
Soil.
Wherein, the parts by weight of each raw material are：Matrix pitch 80-100 parts, perfluoroelastomers 15-20 parts, hydrogenated butyronitrile rubber
Glue 10-15 parts, boron-silicon rubber 8-10 parts, glue nurse base ester glue 10-20 parts, SBS thermoplastic elastomer (TPE) 5-8 parts, furfural 10-12 parts,
Compound resin 15-20 parts, flake asbestos 2-5 parts, zinc oxide 0.5-1 parts, dimethylbenzene 5-8 parts, zinc naphthenate 2-4 parts, mahogany acid
Barium 2-5 parts, kerosene 5-8 parts, lauroyl diethanolamine 0.5-0.8 parts, silicon nitride 1-4 parts, chromium carbide 0.1-0.2 parts, glass of aluminizing
Glass microballon 1-2 parts, calcium sulfate crystal whiskers powder 5-8 parts, chlorinated paraffin 5-8 parts, auxiliary agent 2-5 parts.
Further, the preferred weight number of each raw material is：100 parts of matrix pitch, 15 parts of perfluoroelastomers, hydrogenated butyronitrile
15 parts of rubber, 8 parts of boron-silicon rubber, 18 parts of glue nurse base ester glue, 6 parts of SBS thermoplastic elastomer (TPE)s, 12 parts of furfural, 18 parts of compound resin,
3 parts of flake asbestos, 0.5 part of zinc oxide, 5 parts of dimethylbenzene, 3 parts of zinc naphthenate, 3 parts of barium mahogany sulfonate, 8 parts of kerosene, lauroyl diethyl
0.6 part of hydramine, 2 parts of silicon nitride, 0.18 part of chromium carbide, 1.5 parts of aluminum plating glass microballon, 6 parts of calcium sulfate crystal whiskers powder, chlorinated paraffin 7
Part, 3 parts of auxiliary agent.
Wherein, the auxiliary agent comprises the following raw materials by weight percent：Kaolin 50%, tung oil 4%, APP
5%, calcium lignosulfonate 8%, calcium oxide 5%, tris(chloroethyl)phosphate 10%, magnesium powder 2%, octadecyl acrylate 6%, manganese slag
10%.
Wherein, the compound resin comprises the following raw materials by weight percent：Epoxy resin latex 35%, epoxy resin
Curing agent emulsion 25%, sulphur 10%, emulsifying agent 5%, carboxymethyl cellulose 5%, ammonium chloride 4%, defoamer 2%, carbon black
10%, deionized water 4%.
Beneficial effects of the present invention：The present invention uses matrix pitch as major ingredient, is aided with perfluoroelastomers, hydrogenated butyronitrile rubber
Glue, boron-silicon rubber, glue nurse base ester glue and SBS thermoplastic elastomer (TPE)s so that the resistance to elevated temperatures of compound is obviously improved, high temperature ring
Dynamic viscosity is big under border, adds compound resin, can effectively improve the plasticity of compound, further coordinates remaining each raw material, respectively
The interphase interaction of raw material, cooperate, produce complex effect, form the system of a road improvement asphalt performance, make road
Asphalt has the advantages that good high temperature resistant, ageing-resistant, endurance, viscosity height, cracking resistance seam, preparation method parameters
It is scientific and reasonable, it is not necessary to which that special installation, simple and convenient processing method, production cost are relatively low.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Specific embodiment is closed, the present invention is expanded on further.
Embodiment 1
A kind of preparation method of high temperature resistant asphalt concrete, comprises the following steps：
Step1, matrix pitch is poured into reactor, reactor temperature is increased to 300-320 DEG C, then adds perfluoroether
Rubber, hydrogenated nitrile-butadiene rubber, boron-silicon rubber, glue nurse base ester glue and SBS thermoplastic elastomer (TPE)s, stirring reaction 80-90 minutes；
Step2, reactor temperature is reduced to 200-220 DEG C, adds furfural, flake asbestos, zinc oxide, silicon nitride, carbon
Change chromium, aluminum plating glass microballon, calcium sulfate crystal whiskers powder and chlorinated paraffin, stirring reaction 50-60 minutes；
Step3, the mixture that step 2 is obtained are poured into ultrasonic dispersing machine, add compound resin, dimethylbenzene, ring
Alkanoic acid zinc, barium mahogany sulfonate, kerosene, lauroyl diethanolamine and auxiliary agent, carry out ultrasonic wave and disperse, ultrasonic power 120-
150W, jitter time are 30-50 minutes, and dispersion temperature is 150-160 DEG C；
Step4, the mixture that step 3 is obtained is using high-speed shearing machine in 150-160 DEG C, 8000-9000 revs/min of shearing
Speed down cut disperses 10-20 minutes, stirs 30-50 minutes after stopping at 150-160 DEG C, that is, high temperature resistant asphalt coagulation is made
Soil.
Wherein, the parts by weight of each raw material are：100 parts of matrix pitch, 15 parts of perfluoroelastomers, hydrogenated nitrile-butadiene rubber 15
Part, 8 parts of boron-silicon rubber, 18 parts of glue nurse base ester glue, 6 parts of SBS thermoplastic elastomer (TPE)s, 12 parts of furfural, 18 parts of compound resin, flake asbestos
3 parts, 0.5 part of zinc oxide, 5 parts of dimethylbenzene, 3 parts of zinc naphthenate, 3 parts of barium mahogany sulfonate, 8 parts of kerosene, lauroyl diethanolamine 0.6
Part, 2 parts of silicon nitride, 0.18 part of chromium carbide, 1.5 parts of aluminum plating glass microballon, 6 parts of calcium sulfate crystal whiskers powder, 7 parts of chlorinated paraffin, auxiliary agent 3
Part.
Wherein, the auxiliary agent comprises the following raw materials by weight percent：Kaolin 50%, tung oil 4%, APP
5%, calcium lignosulfonate 8%, calcium oxide 5%, tris(chloroethyl)phosphate 10%, magnesium powder 2%, octadecyl acrylate 6%, manganese slag
10%.
Wherein, the compound resin comprises the following raw materials by weight percent：Epoxy resin latex 35%, epoxy resin
Curing agent emulsion 25%, sulphur 10%, emulsifying agent 5%, carboxymethyl cellulose 5%, ammonium chloride 4%, defoamer 2%, carbon black
10%, deionized water 4%.
Embodiment 2
A kind of preparation method of high temperature resistant asphalt concrete, comprises the following steps：
Step1, matrix pitch is poured into reactor, reactor temperature is increased to 300-320 DEG C, then adds perfluoroether
Rubber, hydrogenated nitrile-butadiene rubber, boron-silicon rubber, glue nurse base ester glue and SBS thermoplastic elastomer (TPE)s, stirring reaction 80-90 minutes；
Step2, reactor temperature is reduced to 200-220 DEG C, adds furfural, flake asbestos, zinc oxide, silicon nitride, carbon
Change chromium, aluminum plating glass microballon, calcium sulfate crystal whiskers powder and chlorinated paraffin, stirring reaction 50-60 minutes；
Step3, the mixture that step 2 is obtained are poured into ultrasonic dispersing machine, add compound resin, dimethylbenzene, ring
Alkanoic acid zinc, barium mahogany sulfonate, kerosene, lauroyl diethanolamine and auxiliary agent, carry out ultrasonic wave and disperse, ultrasonic power 120-
150W, jitter time are 30-50 minutes, and dispersion temperature is 150-160 DEG C；
Step4, the mixture that step 3 is obtained is using high-speed shearing machine in 150-160 DEG C, 8000-9000 revs/min of shearing
Speed down cut disperses 10-20 minutes, stirs 30-50 minutes after stopping at 150-160 DEG C, that is, high temperature resistant asphalt coagulation is made
Soil.
Wherein, the parts by weight of each raw material are：80 parts of matrix pitch, 15 parts of perfluoroelastomers, 15 parts of hydrogenated nitrile-butadiene rubber,
10 parts of boron-silicon rubber, 15 parts of glue nurse base ester glue, 8 parts of SBS thermoplastic elastomer (TPE)s, 10 parts of furfural, 15 parts of compound resin, flake asbestos 3
Part, 0.5 part of zinc oxide, 6 parts of dimethylbenzene, 3 parts of zinc naphthenate, 3 parts of barium mahogany sulfonate, 6 parts of kerosene, lauroyl diethanolamine 0.7
Part, 3 parts of silicon nitride, 0.1 part of chromium carbide, 1.5 parts of aluminum plating glass microballon, 6 parts of calcium sulfate crystal whiskers powder, 6 parts of chlorinated paraffin, auxiliary agent 3
Part.
Wherein, the auxiliary agent comprises the following raw materials by weight percent：Kaolin 50%, tung oil 4%, APP
5%, calcium lignosulfonate 8%, calcium oxide 5%, tris(chloroethyl)phosphate 10%, magnesium powder 2%, octadecyl acrylate 6%, manganese slag
10%.
Wherein, the compound resin comprises the following raw materials by weight percent：Epoxy resin latex 35%, epoxy resin
Curing agent emulsion 25%, sulphur 10%, emulsifying agent 5%, carboxymethyl cellulose 5%, ammonium chloride 4%, defoamer 2%, carbon black
10%, deionized water 4%.
Embodiment 3
A kind of preparation method of high temperature resistant asphalt concrete, comprises the following steps：
Step1, matrix pitch is poured into reactor, reactor temperature is increased to 300-320 DEG C, then adds perfluoroether
Rubber, hydrogenated nitrile-butadiene rubber, boron-silicon rubber, glue nurse base ester glue and SBS thermoplastic elastomer (TPE)s, stirring reaction 80-90 minutes；
Step2, reactor temperature is reduced to 200-220 DEG C, adds furfural, flake asbestos, zinc oxide, silicon nitride, carbon
Change chromium, aluminum plating glass microballon, calcium sulfate crystal whiskers powder and chlorinated paraffin, stirring reaction 50-60 minutes；
Step3, the mixture that step 2 is obtained are poured into ultrasonic dispersing machine, add compound resin, dimethylbenzene, ring
Alkanoic acid zinc, barium mahogany sulfonate, kerosene, lauroyl diethanolamine and auxiliary agent, carry out ultrasonic wave and disperse, ultrasonic power 120-
150W, jitter time are 30-50 minutes, and dispersion temperature is 150-160 DEG C；
Step4, the mixture that step 3 is obtained is using high-speed shearing machine in 150-160 DEG C, 8000-9000 revs/min of shearing
Speed down cut disperses 10-20 minutes, stirs 30-50 minutes after stopping at 150-160 DEG C, that is, high temperature resistant asphalt coagulation is made
Soil.
Wherein, the parts by weight of each raw material are：90 parts of matrix pitch, 15 parts of perfluoroelastomers, 13 parts of hydrogenated nitrile-butadiene rubber,
9 parts of boron-silicon rubber, 18 parts of glue nurse base ester glue, 5 parts of SBS thermoplastic elastomer (TPE)s, 11 parts of furfural, 16 parts of compound resin, flake asbestos 4
Part, 1 part of zinc oxide, 7.5 parts of dimethylbenzene, 3.5 parts of zinc naphthenate, 4 parts of barium mahogany sulfonate, 6 parts of kerosene, lauroyl diethanolamine
0.6 part, 2 parts of silicon nitride, 0.2 part of chromium carbide, 1 part of aluminum plating glass microballon, 6 parts of calcium sulfate crystal whiskers powder, 6 parts of chlorinated paraffin, auxiliary agent 4
Part.
Wherein, the auxiliary agent comprises the following raw materials by weight percent：Kaolin 50%, tung oil 4%, APP
5%, calcium lignosulfonate 8%, calcium oxide 5%, tris(chloroethyl)phosphate 10%, magnesium powder 2%, octadecyl acrylate 6%, manganese slag
10%.
Wherein, the compound resin comprises the following raw materials by weight percent：Epoxy resin latex 35%, epoxy resin
Curing agent emulsion 25%, sulphur 10%, emulsifying agent 5%, carboxymethyl cellulose 5%, ammonium chloride 4%, defoamer 2%, carbon black
10%, deionized water 4%.
Performance measurement is carried out to high temperature resistant asphalt concrete made from embodiment 1,2,3, obtains following table data：
After mortar laying in each embodiment is completed into 24h, under the conditions of 70 DEG C, use《Highway engineering pitch and pitch
Test mixture code》Rutting depth is determined, to characterize resistance to elevated temperatures.In addition, in order to examine pavement strength, also resisted
Compressive Strength and rupture strength test, test result see the table below：
The general principle and principal character of the present invention has been shown and described above.It should be understood by those skilled in the art that
The present invention is not limited to the above embodiments, merely illustrating the principles of the invention described in above-described embodiment and specification,
Without departing from the spirit and scope, various changes and modifications of the present invention are possible, and these changes and improvements all fall
Enter in scope of the claimed invention.The scope of the present invention is defined by the appended claims and its equivalents.
Claims (5)
1. a kind of preparation method of high temperature resistant asphalt concrete, it is characterised in that comprise the following steps：
Step1, matrix pitch is poured into reactor, reactor temperature is increased to 300-320 DEG C, then adds perfluoroether rubber
Glue, hydrogenated nitrile-butadiene rubber, boron-silicon rubber, glue nurse base ester glue and SBS thermoplastic elastomer (TPE)s, stirring reaction 80-90 minutes；
Step2, reactor temperature is reduced to 200-220 DEG C, adds furfural, flake asbestos, zinc oxide, silicon nitride, chromium carbide,
Aluminum plating glass microballon, calcium sulfate crystal whiskers powder and chlorinated paraffin, stirring reaction 50-60 minutes；
Step3, the mixture that step 2 is obtained are poured into ultrasonic dispersing machine, add compound resin, dimethylbenzene, aphthenic acids
Zinc, barium mahogany sulfonate, kerosene, lauroyl diethanolamine and auxiliary agent, carry out ultrasonic wave and disperse, ultrasonic power 120-150W,
Jitter time is 30-50 minutes, and dispersion temperature is 150-160 DEG C；
Step4, the mixture that step 3 is obtained is using high-speed shearing machine in 150-160 DEG C, 8000-9000 revs/min of shear rate
Down cut disperses 10-20 minutes, stirs 30-50 minutes after stopping at 150-160 DEG C, that is, high temperature resistant asphalt concrete is made.
A kind of 2. preparation method of high temperature resistant asphalt concrete according to claim 1, it is characterised in that the weight of each raw material
Measuring number is：Matrix pitch 80-100 parts, perfluoroelastomers 15-20 parts, hydrogenated nitrile-butadiene rubber 10-15 parts, boron-silicon rubber 8-10
Part, glue nurse base ester glue 10-20 parts, SBS thermoplastic elastomer (TPE) 5-8 parts, furfural 10-12 parts, compound resin 15-20 parts, flake asbestos
2-5 parts, zinc oxide 0.5-1 parts, dimethylbenzene 5-8 parts, zinc naphthenate 2-4 parts, barium mahogany sulfonate 2-5 parts, kerosene 5-8 parts, bay
Acyl diethanol amine 0.5-0.8 parts, silicon nitride 1-4 parts, chromium carbide 0.1-0.2 parts, aluminum plating glass microballon 1-2 parts, calcium sulfate crystal whiskers
Powder 5-8 parts, chlorinated paraffin 5-8 parts, auxiliary agent 2-5 parts.
A kind of 3. preparation method of high temperature resistant asphalt concrete according to claim 1 or 2, it is characterised in that each raw material
Preferred weight number be：100 parts of matrix pitch, 15 parts of perfluoroelastomers, 15 parts of hydrogenated nitrile-butadiene rubber, 8 parts of boron-silicon rubber, glue
18 parts of nurse base ester glue, 6 parts of SBS thermoplastic elastomer (TPE)s, 12 parts of furfural, 18 parts of compound resin, 3 parts of flake asbestos, 0.5 part of zinc oxide,
5 parts of dimethylbenzene, 3 parts of zinc naphthenate, 3 parts of barium mahogany sulfonate, 8 parts of kerosene, 0.6 part of lauroyl diethanolamine, 2 parts of silicon nitride, carbon
Change 0.18 part of chromium, 1.5 parts of aluminum plating glass microballon, 6 parts of calcium sulfate crystal whiskers powder, 7 parts of chlorinated paraffin, 3 parts of auxiliary agent.
4. the preparation method of a kind of high temperature resistant asphalt concrete according to claim 1 or 2 or 3, it is characterised in that described
Auxiliary agent comprises the following raw materials by weight percent：Kaolin 50%, tung oil 4%, APP 5%, calcium lignosulfonate
8%, calcium oxide 5%, tris(chloroethyl)phosphate 10%, magnesium powder 2%, octadecyl acrylate 6%, manganese slag 10%.
5. the preparation method of a kind of high temperature resistant asphalt concrete according to claim 1 or 2 or 3, it is characterised in that described
Compound resin comprises the following raw materials by weight percent：Epoxy resin latex 35%, epoxy curing agent emulsion 25%, sulphur
Sulphur 10%, emulsifying agent 5%, carboxymethyl cellulose 5%, ammonium chloride 4%, defoamer 2%, carbon black 10%, deionized water 4%.
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| CN201710948204.1A CN107628775A (en) | 2017-10-12 | 2017-10-12 | A kind of preparation method of high temperature resistant asphalt concrete |
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Cited By (1)
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| CN108707436A (en) * | 2018-05-21 | 2018-10-26 | 安徽朗凯奇防水科技股份有限公司 | High temperature resistant composite sheet material and its preparation process |
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Application publication date: 20180126 |