CN102433008A - Fissure cementation glue for pavement, and preparation method for fissure cementation glue - Google Patents
Fissure cementation glue for pavement, and preparation method for fissure cementation glue Download PDFInfo
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- CN102433008A CN102433008A CN2011103428421A CN201110342842A CN102433008A CN 102433008 A CN102433008 A CN 102433008A CN 2011103428421 A CN2011103428421 A CN 2011103428421A CN 201110342842 A CN201110342842 A CN 201110342842A CN 102433008 A CN102433008 A CN 102433008A
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Abstract
The invention discloses fissure cementation glue for pavement, and a preparation method for the fissure cementation glue. The fissure cementation glue consists of the following components in percentage by mass: 45 to 75 percent of petroleum asphalt, 4 to 10 percent of polymer, 0.06 to 0.2 percent of stabilizing agent, 8 to 15 percent of compatilizer, 3 to 10 percent of softener and 6 to 20 percent of waster rubber powder. The preparation method comprises the following steps of: heating 45 to 75 mass percent of petroleum asphalt to 185 to 195 DEG C, wherein the petroleum asphalt flows at the temperature of between 185 and 195 DEG C, adding 4 to 10 percent of polymer with stirring, grinding by using a colloid mill at the revolving speed of 2,000 to 4,000 revolutions per minute, adding 8 to 15 percent of compatilizer, 3 to 10 percent of softener and 6 to 20 percent of waster rubber powder sequentially, swelling with stirring for 2 to 10 hours, adding 0.06 to 0.2 percent of stabilizing agent, and reacting for 1 to 5 hours to obtain a product. The fissure cementation glue for the pavement is high in high temperature stability and low temperature flexibility and elastic recovery capacity, and is special for cementation and filling of fissures and joints on bituminous pavement or cement concrete pavement under the weather conditions of a frigid zone and a polar zone.
Description
Technical field
The present invention relates to a kind of road surface base joint grouting glue and preparation method thereof, road surface of the present invention base joint grouting glue is applicable to that the cementation of fissures of bituminous pavement or crack on the cement concrete pavement and seam under frigid zone and the utmost point climate of frigid zone condition and joint filling handle.
Background technology
Pavement crack is one of main disease of highway in China, has had a strong impact on the use properties of road, make the road maintenance phase in advance and maintenance cost increase considerably, also shortened the work-ing life of road simultaneously.Especially in China the Northeast, highway receives influence of temperature variation and produces more thermal cracking in the operation process, and the whole use properties of road pavement structure causes bigger influence.The method for repairing and mending of pavement crack is a lot, and traditional crack punishment method is to adopt the liquid plain asphalt of heating, when temperature is minimum, directly pours in the crack; But the high temperature performance of plain asphalt is poor, and under the winter low temperature, pitch forfeiture elasticity is cracking still; The summer high temperature deliquescing; Be prone to taken away by vehicle tyre, therefore traditional crack punishment method inefficiency can not satisfy the requirement of Road maintenance.
Can the crack on road gap-grouting material effectively play a role must satisfy following condition: gap-grouting material should possess persistent anti-aging and anti-fatigue ability; Under the low-temperature condition, should have good extensibility and elasticity; Under the condition of high temperature, should have excellent high-temperature stability; Gap-grouting material should have good cohesive force, can be bonding with the asphalt on both sides, crack.
The application of gap-grouting material is all very general now; The kind of gap-grouting material is also a lot; Modifying asphalt gap-grouting material, sealer, organosilicon crack patching material, affixing kerfs belt, import gap-grouting material or the like are arranged; Most of home-made gap-grouting materials all are difficult to satisfy the road surface cementation of fissures demand of cold district, and some imported materials and items prices are very high, cause maintenance costs too high.
Present technique strengthens the use properties under the low-temperature condition to the processing of pavement crack under the refrigerant latitudes weather condition, carries out the autonomous research of formula for a product, production unit and production technique.
Base joint grouting glue of the present invention has higher high-temperature stability, low temperature flexibility, elastic recovery capability and fatigue resistence, is applicable to that the cementation of fissures of bituminous pavement or crack on the cement concrete pavement and seam under frigid zone and the utmost point climate of frigid zone condition and joint filling handle.
Summary of the invention
The object of the present invention is to provide a kind of road surface base joint grouting glue and preparation method thereof.Road surface of the present invention base joint grouting glue has higher high-temperature stability, low temperature flexibility and elastic recovery capability, is applicable to that the cementation of fissures of bituminous pavement or crack on the cement concrete pavement and seam under frigid zone and the utmost point climate of frigid zone condition and joint filling handle.
Road surface according to the invention base joint grouting glue is specifically formed (quality):
Petroleum pitch: 45～75%,
Polymkeric substance: 4～10%,
Compatilizer: 8～15%,
Tenderizer: 3～10%,
Waste Crumb rubber: 6～20%,
Stablizer: 0.06～0.2%,
The petroleum pitch of said petroleum pitch is meant No. 90, satisfied " asphalt highway construction technique normalizing " (JTG F40-2004) or No. 110 index requests; 15 ℃ of specific densities are greater than 1.02; Quality change is 0～0.3% before and after aging; Wherein 60 ℃ of kinetic viscosities of No. 90 pitch are not more than 180Pa.s, and 60 ℃ of kinetic viscosities of No. 110 pitch are not more than 130Pa.s.
Said polymkeric substance comprise by mass percentage 30～50% a kind of can be by general formula (AB)
nX representes star block copolymer, a kind of line-type block polymer that can be represented by general formula ABA of 50～70% and 0～10% viton; Wherein the star block copolymer weight-average molecular weight is 20～300,000, and the line-type block polymer weight-average molecular weight is 10～150,000, and the viton weight-average molecular weight is 10～150,000; At general formula (AB)
nAmong X and the ABA, A is the segment that is obtained by vinylbenzene, alpha-methyl styrene, p-methylstyrene or vinyl pyridine polymerization, and B is by divinyl, isoprene, chloroprene or 2, the segment that the polymerization of 3-dimethylbutadiene obtains; At general formula (AB)
nN is 3 or 4 among the X, and X is the coupling agent residue that has 3 or 4 functional groups; At general formula (AB)
nThe shared mass percent of A component is 20-40% among X and the ABA; Said viton is one or more the combination in ethylene-propylene rubber(EPR), styrene-butadiene rubber(SBR), X 050, cis-1,4-polybutadiene rubber or the cis polyisoprene rubber.
By product solvent-extracted oil when described compatilizer is meant inverted sequence technology bright stock or petroleum catalytic cracking return one or both the combination in the solvent-extracted oil that splits oil; Wherein solvent refers to N-Methyl pyrrolidone, furfural or phenol solvent, extracts oil fragrance out and divides content greater than 90%.
The softener is a mineral oil, the main ingredient is carbon number more than ten alkanes, ring Wan hydrocarbons, aromatic hydrocarbons or their derivatives, usually without metal, freezing point less than -35 ℃.
Described waste Crumb rubber is that junked tire is pulverized or ground and process varigrained powder mass through mechanical means, also is rubber powder or vulcanized rubber powder.
Described stablizer is one or more the combination in organic peroxy compound, organic azo cpd, SULPHUR POWDER, organic polysulfide, organic sulfonic acid compound or the MOX.
Bituminous composition preparation method of the present invention is to be that 45～75% petroleum pitch is heated to 185～195 ℃ to flow state with mass percent at first; The polymkeric substance of adding 4～10% under whipped state; Through rotating speed is the colloidal mill grinding of 2000～4000RPM; Add 8～15% compatilizer, 3～10% tenderizer, 6～20% waste Crumb rubber more successively, then swelling 2～10 hours under whipped state adds 0.06～0.2% stablizer then; Reacted 1-5 hour, and obtained this road surface base joint grouting glue product.
Base joint grouting glue of the present invention can reach following technical indicator:
Cone penetration (25 ℃) is 70～150 (0.1mm), testing method be T740-2009;
Softening temperature is less than 80 ℃, testing method be T740-2009
Degree of mobilization (60 ℃) 5 hours is less than 5mm, testing method be T740-2009;
Recovery of elasticity is 30～70 (%), testing method be T740-2009;
Cryogenic tensile ,-30 ℃, 50% extends, 3 weeks, through test, testing method be T740-2009.
Compare with prior art road surface base joint grouting glue; Road surface of the present invention base joint grouting glue has higher high-temperature stability, low temperature flexibility, elastic recovery capability and fatigue resistence, is applicable to that the cementation of fissures of bituminous pavement or crack on the cement concrete pavement and seam under frigid zone and the utmost point climate of frigid zone condition and joint filling handle.
Embodiment
Embodiment one:
Be that 64.4% No. 90 petroleum pitch are heated to 185～195 ℃ to flow state at first with mass percent; Under whipped state, add 4.5% polymkeric substance (polymkeric substance comprise 40% star-shaped sbs and 60% type SBS); Through rotating speed is the colloidal mill grinding of 3500RPM; Add 11% inverted sequence furfural extract oil, 7% MO successively, add 13% waste Crumb rubber again, then swelling 5 hours under whipped state adds 0.1% SULPHUR POWDER then; Reacted again 1 hour, and obtained road surface base joint grouting glue product.
Embodiment two:
Be that 67.9% No. 110 petroleum pitch are heated to 185～195 ℃ to flow state at first with mass percent; 5% polymkeric substance under whipped state (polymkeric substance comprises 35% star-shaped sbs, 65% type SBS); Through rotating speed is the colloidal mill grinding of 3000RPM; Add 12% inverted sequence furfural extract oil, 5% MO successively, add 10% waste Crumb rubber again, then swelling 5 hours under whipped state adds 0.1% SULPHUR POWDER then; Reacted again 2 hours, and obtained road surface base joint grouting glue product.
The foregoing description product and the contrast of other gap-grouting material technical target of the product are as shown in table 1.
The contrast of table 1 gap-grouting material technical target of the product
Can find out from above table 1; This base joint grouting glue on high-temperature behavior, on the low-temperature performance, elasticity and flexibility all have outstanding advantage; And most of materials all are difficult to satisfy the requirement under the coldcondition; Compare with U.S. crafco, each item performance index all can meet or exceed its requirement, satisfy the requirement to gap-grouting material of refrigerant latitudes and utmost point refrigerant latitudes fully.
Claims (9)
1. road surface base joint grouting glue is characterized in that:
This road surface base joint grouting glue consists of by mass percentage:
Petroleum pitch: 45～75%,
Polymkeric substance: 4～10%,
Compatilizer: 8～15%,
Tenderizer: 3～10%,
Waste Crumb rubber: 6～20%;
Stablizer: 0.06～0.2%;
This road surface base joint grouting glue is prepared by following method:
Be that 45～75% petroleum pitch is heated to 185～195 ℃ to flow state at first with mass percent; Under whipped state, adding 4～10% polymkeric substance, is that the colloidal mill of 2000～4000RPM grinds through rotating speed, adds 8～15% compatilizer, 3～10% tenderizer successively, adds 6～20% waste Crumb rubber again; Then swelling 2～10 hours under whipped state; Add 0.06～0.2% stablizer then, reacted 1-5 hour, obtain this road surface base joint grouting glue product;
This road surface base joint grouting glue can reach following technical indicator:
Cone penetration (25 ℃) is 70～150 (0.1mm), testing method be T740-2009;
Softening temperature is less than 80 ℃, testing method be T740-2009;
Degree of mobilization (60 ℃) 5 hours is less than 5mm, testing method be T740-2009;
Recovery of elasticity is 30～70 (%), testing method be T740-2009;
Cryogenic tensile ,-30 ℃, 50% extends, 3 weeks, through test, testing method be T740-2009.
2. said petroleum pitch is meant the petroleum pitch of No. 90, satisfied " asphalt highway construction technique normalizing " (JTG F40-2004) or No. 110 index requests; 15 ℃ of specific densities are greater than 1.02; Quality change is 0～0.3% before and after aging; Wherein 60 ℃ of kinetic viscosities of No. 90 pitch are not more than 180Pa.s, and 60 ℃ of kinetic viscosities of No. 110 pitch are not more than 130Pa.s.
3. road surface according to claim 1 base joint grouting glue is characterized in that: said polymkeric substance comprise by mass percentage 30～50% a kind of can be by general formula (AB)
nX representes star block copolymer, a kind of line-type block polymer that can be represented by general formula ABA of 50～70% and 0～10% viton; Wherein the star block copolymer weight-average molecular weight is 20～300,000, and the line-type block polymer weight-average molecular weight is 10～150,000, and the viton weight-average molecular weight is 10～150,000; At general formula (AB)
nAmong X and the ABA, A is the segment that is obtained by vinylbenzene, alpha-methyl styrene, p-methylstyrene or vinyl pyridine polymerization, and B is by divinyl, isoprene, chloroprene or 2, the segment that the polymerization of 3-dimethylbutadiene obtains; At general formula (AB)
nN is 3 or 4 among the X, and X is the coupling agent residue that has 3 or 4 functional groups; At general formula (AB)
nThe shared mass percent of A component is 20-40% among X and the ABA; Said viton is one or more the combination in ethylene-propylene rubber(EPR), styrene-butadiene rubber(SBR), X 050, cis-1,4-polybutadiene rubber or the cis polyisoprene rubber.
4. road surface according to claim 1 base joint grouting glue; It is characterized in that: by product solvent-extracted oil when described compatilizer is meant inverted sequence technology bright stock or petroleum catalytic cracking return one or both the combination in the solvent-extracted oil that splits oil; Wherein solvent refers to N-Methyl pyrrolidone, furfural or phenol solvent, extracts oil fragrance out and divides content greater than 90%.
5 according to claim 1, wherein the pouring plastic surface, characterized in that: said softener is a mineral oil, the main ingredient is more than ten carbon number of the alkane, cyclic Wan hydrocarbons, aromatic hydrocarbons or their derivatives material, usually metal-free, freezing point less than -35 ℃.
6. road surface according to claim 1 base joint grouting glue is characterized in that: described waste Crumb rubber is that junked tire is pulverized or ground and process varigrained powder mass through mechanical means, also is rubber powder or vulcanized rubber powder.
7. road surface according to claim 1 base joint grouting glue is characterized in that: described stablizer is one or more the combination in organic peroxy compound, organic azo cpd, SULPHUR POWDER, organic polysulfide, organic sulfonic acid compound or the MOX.
8. the preparation method of a road surface according to claim 1 base joint grouting glue; It is characterized in that: be that 45～75% petroleum pitch is heated to 185～195 ℃ to flow state at first mass percent; Under whipped state, adding 15～25% compatilizer, 4～10% polymkeric substance successively, is the colloidal mill grinding of 2000～4000RPM through rotating speed, adds 6～20% waste Crumb rubber again; Then swelling 2～10 hours under whipped state; Add 0.06～0.2% stablizer then, reacted 1-5 hour, obtain this road surface base joint grouting glue product.
9. road surface according to claim 1 base joint grouting glue, its cementation of fissures and joint filling that can be used for bituminous pavement or crack on the cement concrete pavement and seam under frigid zone and the utmost point climate of frigid zone condition is handled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103428421A CN102433008A (en) | 2011-11-03 | 2011-11-03 | Fissure cementation glue for pavement, and preparation method for fissure cementation glue |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103428421A CN102433008A (en) | 2011-11-03 | 2011-11-03 | Fissure cementation glue for pavement, and preparation method for fissure cementation glue |
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| CN102433008A true CN102433008A (en) | 2012-05-02 |
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| CN103361026A (en) * | 2013-08-13 | 2013-10-23 | 山东泽瑞新材料科技有限公司 | Preparation method of high-molecular polymer crack filler for pavements |
| CN103409158A (en) * | 2013-09-10 | 2013-11-27 | 山东斯泰普力高新建材有限公司 | Method for producing oil through conducting catalytic cracking on waste rubber powder |
| CN103421467A (en) * | 2013-08-16 | 2013-12-04 | 山西喜跃发路桥建筑材料有限公司 | High-performance rubber asphalt pouring sealant and preparation method thereof |
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| CN103805132A (en) * | 2012-11-13 | 2014-05-21 | 云南云岭高速公路养护绿化工程有限公司 | Joint filling glue for road maintenance and preparation method thereof |
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| CN103361026A (en) * | 2013-08-13 | 2013-10-23 | 山东泽瑞新材料科技有限公司 | Preparation method of high-molecular polymer crack filler for pavements |
| CN103361026B (en) * | 2013-08-13 | 2015-11-18 | 山东泽瑞新材料科技有限公司 | The preparation method of a kind of road surface high molecular polymer base joint grouting glue |
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| CN104130588B (en) * | 2014-07-18 | 2017-03-01 | 滨州学院 | Road repair self-adhesion band |
| CN104130588A (en) * | 2014-07-18 | 2014-11-05 | 滨州学院 | Road repair self-adhesive sealing strip |
| CN104151845A (en) * | 2014-08-07 | 2014-11-19 | 高伟 | Asphalt crack filling liquid and preparation and construction method thereof |
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| CN105585856B (en) * | 2014-10-22 | 2018-06-15 | 中国石油化工股份有限公司 | Rubber-containing bituminous composition that a kind of high-temperature storage is stablized and preparation method thereof |
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Application publication date: 20120502 |