CN102286205A - Anionic emulsified asphalt and preparation method thereof - Google Patents
Anionic emulsified asphalt and preparation method thereof Download PDFInfo
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Abstract
The invention provides anionic emulsified asphalt and a preparation method thereof. The cement emulsified asphalt comprises the following components in percentage by weight: 55 to 65 percent of asphalt, 0.5 to 5 percent of anionic surfactant, 0.02 to 4 percent of aid, and the balance of water. The anionic surfactant can be one of tall oil sulfonate, alkyl sulfonate, alkylbenzene sulfonate, alkyl sulfate and lignosulfonate. The emulsified asphalt provided by the invention has the advantages of good storage stability, wide temperature adapting range, good adaptability with cement, good compatibility and the like; and the cement emulsified asphalt mortar prepared by using the emulsified asphalt has good flow property, long service life and wide temperature adapting range, does not produce dissociation or lamination, has excellent physical and mechanical properties, and fully meets the requirement of construction, so that the emulsified asphalt can be effectively used for the cement emulsified asphalt mortar in plate type ballastless tracks of high speed railways.
Description
Technical field
The present invention relates to a kind of anionic emulsified bitumen and preparation method thereof, be suitable for inter-city high-speed rail, city high speed light rail and city underground and use.
Background technology
Plate-type ballastless track is one of structure formation important in high-speed railway or the urban light rail non-fragment orbit, technology is the most ripe in the world, be characterized in, on roadbed, lay concrete bed, on base, place the track plate that presets, reserve the space of 3cm～5cm between the two, the cement injection emulsified asphalt slurry solidifies back formation and has rigidity and elastic filling bed course uniformly concurrently.Cement emulsified asphalt mortar is the core technology of plate-type ballastless track.And emulsified bitumen is the crucial composition material of cement emulsified asphalt mortar, and its performance directly affects the serviceability and the endurance quality of cement emulsified asphalt mortar.The special-purpose anionic emulsified bitumen of cement emulsified asphalt mortar is except that should satisfying traditional performances such as good storage stability, high low temperature stability, uniformity, it is good also should to have with alkaline sand-cement slurry siccative system consistency, stability is strong, the not obvious performances such as hydration rate that influence cement, and the mortar of preparation can keep good flowing property in the long time.
General emulsified bitumen can not satisfy the use needs owing to do not consider the particular requirement of cement emulsified asphalt mortar, is prone to the working hour weak point, thermal adaptation narrow range, problems such as full property difference.Chinese patent 200710149995.8, Chinese patent 200710078508.3 and Chinese patent 200710078480.3 disclose a kind of emulsified bitumen respectively, it all is to adopt cationic emulsifier and the compound of nonionic emulsifying agent to prepare emulsified bitumen as emulsifying agent, the part emulsified bitumen has carried out practical application, and is respond well.But above-mentioned emulsified bitumen is to be used in the cell board non-fragment orbit cement emulsified asphalt mortar, and inapplicable for vertical connected plate type unballasted track cement emulsified bituminous mortar.In addition, Chinese patent 200910076818.0 discloses a kind of emulsified bitumen, is used for vertical linking-board type non-fragment orbit.But, the high and low temperature poor stability of its emulsified bitumen, the early strength of cement emulsified asphalt mortar is lower, has much room for improvement on the stability of cement emulsified asphalt mortar and high low temperature workability.
In a word, existing cement emulsified asphalt mortar mainly exists poor stability with emulsified bitumen, ionic strength is too high, bad adaptability with cement system, make that the cement emulsified asphalt mortar operable time of preparation is short, thermal adaptation narrow range, easily layering, a series of problems such as filling properties is poor, and early strength is low.Though similar report is arranged abroad, there is the price height, raw material sources are limited, problems such as complex manufacturing.
Summary of the invention
The purpose of this invention is to provide a kind of anionic emulsified bitumen, avoid the cement emulsified asphalt mortar layering, can make thermal adaptability strong, operable time is suitable, and filling properties is good, makes it practicability; The excellent storage stability of the emulsified bitumen that is provided own, strong with cement adaptability, strong with the aggregate adhesive power.The present invention also provides the preparation method of described anionic emulsified bitumen.
Cement-emulsified pitch provided by the invention, according to weight percent meter, cement-emulsified pitch comprises following component:
Pitch: 55%-65%;
Anion surfactant: 0.5%-5%;
Auxiliary agent: 0.02%-4%; With
The water of surplus.
In the above-mentioned emulsified bitumen, according to weight percent meter, described cement-emulsified pitch comprises following component:
Pitch: 60%-65%;
Anion surfactant: 1%-4%;
Auxiliary agent: 0.04%-3.5%; With
The water of surplus.
In the above-mentioned emulsified bitumen, described pitch can be heavy-duty road asphalt, and its penetration degree can be 4.0mm～14.0mm, and wax content is＜2.2%; Specifically can be in the 36-1AH-70 of CNOOC, the 36-1AH-90 of CNOOC and the 36-1SBS of the CNOOC modifying asphalt any, its penetration degree is 5.0mm～12.0mm, wax content＜2.2%; The selection of bituminous material is for complexity, the stability of emulsified bitumen and the thermal adaptability decisive role of described emulsified bitumen preparation.CNOOC's heavy-duty road asphalt is because preparation bituminous oil sources is stable, asphalt performance difference between the different batches is very little, have with the adhesive power of aggregate strong, characteristics such as high temperature performance is good, this provides guarantee for preparing qualified cement emulsified asphalt mortar special-purpose emulsifying pitch.
In the above-mentioned emulsified bitumen, described anion surfactant can be in Yatall MA Sulfonates, alkyl sulfonates, alkyl benzene sulfonate, alkylsurfuric acid salt and the lignosulfonic acid salt at least a; The chain length of each alkyl in the described anionic emulsifier can be 8～18 carbon atoms.
In the above-mentioned emulsified bitumen, described auxiliary agent is at least a in ammonium salt, calcium salt, strontium salt, Xylo-Mucine (number-average molecular weight is 6400 ± 1000), Natvosol (number-average molecular weight is 250000), polyvinyl alcohol (number-average molecular weight is about 80000), polyacrylamide (number-average molecular weight is 6,000,000～2,000 ten thousand), polyoxyethylene glycol (number-average molecular weight is 1000～10000), urethane (number-average molecular weight is 2000～20000) and the wilkinite; Described wilkinite specifically can be sodium bentonite or calcium-base bentonite.
In the above-mentioned emulsified bitumen, described emulsified bitumen also can comprise nonionogenic tenside; The quality percentage composition of described nonionogenic tenside can be 0.04%-3.5%.
In the above-mentioned emulsified bitumen, described nonionogenic tenside can be in alkylphenol polyoxyethylene (alkyl carbon chain length is 8-18 carbon atom, and the PEO number is 10-18), polyoxyethylene sorbitan fatty acid ester (number-average molecular weight can be about 430), sorbitan fatty acid ester and the fatty alcohol-polyoxyethylene ether (carbon chain lengths is a 8-18 carbon atom) at least a.
In the above-mentioned emulsified bitumen, the polyoxyethylene sorbitan fatty acid ester specifically can be polyoxyethylene sorbitan laurate, polyoxyethylene 20 sorbitan monostearate or polyoxyethylene sorbitan oleic acid ester; Described sorbitan fatty acid ester specifically can be anhydrous sorbitol laurate, sorbitan monooleate or sorbitan monostearate; Fatty Alcohol(C12-C14 and C12-C18) in the described fatty alcohol-polyoxyethylene ether can be the alcohol that carbon atom is 12-18.
The composition of above-mentioned emulsified bitumen specifically can be: pitch: 60%; Anion surfactant: 1.5%; Nonionogenic tenside: 0.5%; Auxiliary agent: 0.1%; Water, pitch with surplus: 60%; Anion surfactant: 1.65%; Nonionogenic tenside: 0.6%; Auxiliary agent: 0.3%; Water, pitch with surplus: 60%; Anion surfactant: 2.0%; Nonionogenic tenside: 1.0%; Auxiliary agent: 0.2%; Water, pitch with surplus: 60%; Anion surfactant: 1.5%; Nonionogenic tenside: 1.0%; Auxiliary agent: 0.25%; Water, pitch with surplus: 60%; Anion surfactant: 2.0%; Nonionogenic tenside: 2.0%; Auxiliary agent: 0.4%; Water, pitch with surplus: 60%; Anion surfactant: 3.0%; Nonionogenic tenside: 0.6%; Auxiliary agent: 0.5%; Water, pitch with surplus: 60%; Anion surfactant: 3.6%; Nonionogenic tenside: 0.4%; Auxiliary agent: 0.25%; Water, pitch with surplus: 60%; Anion surfactant: 2.5%; Nonionogenic tenside: 1.0%; Auxiliary agent: 0.45%; Water, pitch with surplus: 64%; Anion surfactant: 3.0%; Auxiliary agent: 0.35%; Water or pitch with surplus: 60.1%; Anion surfactant: 3.5%; Auxiliary agent: 0.45%; Water with surplus.
The present invention also provides above-mentioned Preparation of Emulsification Asphalt method, comprises the steps:
(1) described pitch is heated to 120 ℃～180 ℃;
(2) auxiliary agent after described auxiliary agent dilute with water is obtained diluting;
(3) with the auxiliary agent after described anion surfactant and the described dilution, or the auxiliary agent after described anion surfactant, nonionogenic tenside and the dilution is dissolved in 40 ℃～80 ℃ the water, is mixed with soap lye, and between adjust pH to 10～13;
(4) with described pitch with described soap lye mixes after emulsification promptly gets described emulsified bitumen.
Among the above-mentioned preparation method, when selecting the 36-1AH-70 of CNOOC pitch or the described emulsified bitumen of the 36-1AH-90 of CNOOC bitumen production for use, described bituminous Heating temperature can be controlled in 120 ℃～150 ℃; When adopting the 36-1SBS of CNOOC modifying asphalt to prepare emulsified bitumen, described bituminous Heating temperature can be controlled between 140 ℃～180 ℃.
The bright emulsified bitumen preparation technology advanced person who provides of we adopts external import colloidal mill equipment, and the emulsified bitumen uniformity of preparation is good, and particles dispersed is even, and particle diameter is little, median size≤4 μ m, modulus particle diameter≤3 μ m.
Advantages such as emulsified bitumen provided by the invention has excellent storage stability, and the thermal adaptation wide ranges is strong with cement adaptability, and consistency is good; And, use the cement emulsified asphalt mortar of this emulsified bitumen preparation to have good flowing properties, operable time is long, the thermal adaptation wide ranges, do not produce the segregation layering, physical and mechanical property is good, fully satisfies the needs of construction, thereby makes this product can be used for the cement emulsified asphalt mortar of high-speed railway plate-type ballastless track effectively.
Embodiment
Employed experimental technique is ordinary method if no special instructions among the following embodiment.
Used material, reagent etc. if no special instructions, all can obtain from commercial channels among the following embodiment.
The used 36-1AH-70 of CNOOC, 36-1AH-90 of CNOOC and the 36-1SBS of CNOOC modifying asphalt are all taken from CNOOC's air to open and are sent out the company that utilizes in following embodiment of the present invention and the Comparative Examples, and its penetration degree army is 5.0mm～12.0mm, and wax content is less than 2.2%.
Embodiment 1, Preparation of Emulsification Asphalt
In the emulsified bitumen that this enforcement provides the raw material that adopts as follows: pitch is the 36-1AH-90 of CNOOC; Anion surfactant is the hexadecyl Sulfonates; Nonionogenic tenside is polyoxyethylene octylphenol ether (number-average molecular weight is 646); Auxiliary agent 1 is Xylo-Mucine (number-average molecular weight is 6400 ± 1000), and the weight percent of said components is as shown in table 1.
Concrete preparation method may further comprise the steps:
(1) above-mentioned pitch is heated to 130 ℃, measures standby;
(2) above-mentioned Xylo-Mucine is dissolved in the cold water, by 1: 100 dilution proportion, standby;
(3) be dissolved in the water about 60 ℃ according to the Xylo-Mucine of above-mentioned weight proportion after, be mixed with soap lye hexadecyl Sulfonates, polyoxyethylene octylphenol ether and dilution, and about the NaoH aqueous solution adjust pH to 11 with 2mol/l;
(4) pitch and the soap lye that measures passed through colloidal mill simultaneously, emulsification obtains bitumen emulsion, is cooled to room temperature and makes the emulsified bitumen finished product.
The performance perameter of the emulsified bitumen of present embodiment preparation is as shown in table 2.
Embodiment 2, Preparation of Emulsification Asphalt
In the emulsified bitumen that this enforcement provides the raw material that adopts as follows: pitch is the 36-1AH-90 of CNOOC; Anion surfactant is the dodecyl sulfate class; Nonionogenic tenside is ethoxylated dodecyl alcohol (number-average molecular weight is 694); Auxiliary agent 1 is a calcium chloride, and auxiliary agent 2 is polyacrylamide (number-average molecular weight is 6,000,000～2,000 ten thousand), and the weight percent of said components is as shown in table 1.
Concrete preparation method may further comprise the steps:
(1) above-mentioned pitch is heated to 130 ℃, measures standby;
(2) above-mentioned polyacrylamide is dissolved in the cold water, by 1: 100 dilution proportion, standby;
(3) be dissolved in the water about 60 ℃ according to the polyacrylamide of above-mentioned weight proportion after, be mixed with soap lye dodecyl sulfate class, ethoxylated dodecyl alcohol, calcium chloride and dilution, and about the NaoH aqueous solution adjust pH to 11 with 2mol/l;
(4) pitch and the soap lye that measures passed through colloidal mill simultaneously, emulsification obtains bitumen emulsion, is cooled to room temperature and makes the emulsified bitumen finished product.
The performance perameter of the emulsified bitumen of present embodiment preparation is as shown in table 2.
Embodiment 3, Preparation of Emulsification Asphalt
In the emulsified bitumen that this enforcement provides the raw material that adopts as follows: pitch is the 36-1AH-70 of CNOOC; Anion surfactant is the dodecylbenzene sulfonate class; Nonionogenic tenside is polyoxyethylene nonylphenol ether (number-average molecular weight is 660); Auxiliary agent 1 is polyvinyl alcohol (number-average molecular weight is 6,000,000～2,000 ten thousand), and the weight percent of said components is as shown in table 1.
Concrete preparation method may further comprise the steps:
(1) above-mentioned pitch is heated to 135 ℃, measures standby;
(2) above-mentioned polyvinyl alcohol is dissolved in the cold water, by 1: 10 dilution proportion, standby;
(3) be dissolved in the water about 60 ℃ according to the polyvinyl alcohol of above-mentioned weight proportion after, be mixed with soap lye dodecylbenzene sulfonate class, polyoxyethylene nonylphenol ether and dilution, and about adjust pH to 11;
(4) pitch and the soap lye that measures passed through colloidal mill simultaneously, emulsification obtains bitumen emulsion, is cooled to room temperature and makes the emulsified bitumen finished product.
The performance perameter of the emulsified bitumen of present embodiment preparation is as shown in table 2.
Embodiment 4, Preparation of Emulsification Asphalt
In the emulsified bitumen that this enforcement provides the raw material that adopts as follows: pitch is the 36-1AH-70 of CNOOC; Anion surfactant is lignosulfonic acid salt (number-average molecular weight is 200-10000); Nonionogenic tenside is anhydrous sorbitol laurate (number-average molecular weight 346); Auxiliary agent 1 is Xylo-Mucine (number-average molecular weight is 6400 ± 1000), and auxiliary agent 2 is polyoxyethylene glycol (number-average molecular weight is 6000), and the weight percent of said components is as shown in table 1.
Concrete preparation method may further comprise the steps:
(1) above-mentioned pitch is heated to 135 ℃, measures standby;
(2) above-mentioned Xylo-Mucine is dissolved in the cold water, by 1: 100 dilution proportion, standby;
(3) above-mentioned polyoxyethylene glycol is dissolved in the hot water about 95 ℃, the dilution proportion by 1: 10 is cooled to room temperature, and is standby;
(4) be dissolved in the water about 60 ℃ according to the Xylo-Mucine and the polyoxyethylene glycol of above-mentioned weight proportion after, be mixed with soap lye lignosulfonic acid salt, anhydrous sorbitol laurate and dilution, and about the NaoH aqueous solution adjust pH to 11 with 2mol/l;
(4) pitch and the soap lye that measures passed through colloidal mill simultaneously, emulsification obtains bitumen emulsion, is cooled to room temperature and makes the emulsified bitumen finished product.
The performance perameter of the emulsified bitumen of present embodiment preparation is as shown in table 2.
Embodiment 5, Preparation of Emulsification Asphalt
In the emulsified bitumen that this enforcement provides the raw material that adopts as follows: pitch is the 36-1AH-70 of CNOOC; Anion surfactant is the Yatall MA Sulfonates; Nonionogenic tenside is polyoxyethylene 20 sorbitan monostearate (number-average molecular weight is 990); Auxiliary agent 1 is Xylo-Mucine (number-average molecular weight is 6400 ± 1000), and auxiliary agent 2 is urethane (number-average molecular weight is 2000～20000), and the weight percent of said components is as shown in table 1.
Concrete preparation method may further comprise the steps:
(1) above-mentioned pitch is heated to 135 ℃, measures standby;
(2) above-mentioned Xylo-Mucine is dissolved in the cold water, by 1: 100 dilution proportion, standby;
(3) be dissolved in the water about 60 ℃ according to the Xylo-Mucine of above-mentioned weight proportion after Yatall MA Sulfonates, polyoxyethylene 20 sorbitan monostearate, urethane and dilution, be mixed with soap lye, and about the NaoH aqueous solution adjust pH to 11 with 2mol/l;
(4) pitch and the soap lye that measures passed through colloidal mill simultaneously, emulsification obtains bitumen emulsion, is cooled to room temperature and makes the emulsified bitumen finished product.
The performance perameter of the emulsified bitumen of present embodiment preparation is as shown in table 2.
Embodiment 6, Preparation of Emulsification Asphalt
In the emulsified bitumen that this enforcement provides the raw material that adopts as follows: pitch is the 36-1AH-70 of CNOOC; Anion surfactant is the Yatall MA Sulfonates; Nonionogenic tenside is polyoxyethylene nonylphenol ether (number-average molecular weight is 660); Auxiliary agent 1 is an ammonium sulfate, and auxiliary agent 2 is a sodium bentonite, and the weight percent of said components is as shown in table 1.
Concrete preparation method may further comprise the steps:
(1) above-mentioned pitch is heated to 135 ℃, measures standby;
(2) according to above-mentioned weight proportion Yatall MA Sulfonates, polyoxyethylene nonylphenol ether, ammonium sulfate and sodium bentonite are dissolved in the water about 60 ℃, are mixed with soap lye, and about the NaoH aqueous solution adjust pH to 11 with 2mol/l;
(3) pitch and the soap lye that measures passed through colloidal mill simultaneously, emulsification obtains bitumen emulsion, is cooled to room temperature and makes the emulsified bitumen finished product.
The performance perameter of the emulsified bitumen of present embodiment preparation is as shown in table 3.
Embodiment 7, Preparation of Emulsification Asphalt
The raw material that emulsified bitumen adopted that present embodiment provides is as follows: pitch is the 36-1SBS of CNOOC modifying asphalt; Anion surfactant is sulfonated lignin (number-average molecular weight is 200-10000); Nonionogenic tenside is polyoxyethylene octylphenol ether (number-average molecular weight is 646); Auxiliary agent 1 is Natvosol (number-average molecular weight is 250000), and the weight percent of said components is as shown in table 1.
Concrete preparation method may further comprise the steps:
(1) above-mentioned pitch is heated to 165 ℃, measures standby;
(2) Natvosol is dissolved in the cold water, by 1: 100 dilution proportion, standby;
(3) be dissolved in the water about 60 ℃ according to the Natvosol of above-mentioned weight proportion after, be mixed with soap lye sulfonated lignin, polyoxyethylene octylphenol ether and dilution, and about the NaoH aqueous solution adjust pH to 11 with 2mol/l;
(4) pitch and the soap lye that measures passed through colloidal mill simultaneously, emulsification obtains bitumen emulsion, is cooled to room temperature and makes the emulsified bitumen finished product.
The performance perameter of the emulsified bitumen of present embodiment preparation is as shown in table 3.
Embodiment 8, Preparation of Emulsification Asphalt
The raw material that emulsified bitumen adopted that present embodiment provides is as follows: pitch is the 36-1SBS of CNOOC modifying asphalt; Anion surfactant is a Yatall MA sulfonate; Nonionogenic tenside is sorbitan monostearate (number-average molecular weight 430); Auxiliary agent 1 is polyoxyethylene glycol (number-average molecular weight is 6000), and auxiliary agent 2 is urethane (number-average molecular weight is 2000～20000), and the weight percent of said components is as shown in table 1.
Concrete preparation method may further comprise the steps:
(1) above-mentioned pitch is heated to 165 ℃, measures standby;
(2) polyoxyethylene glycol is dissolved in the hot water about 95 ℃, the dilution proportion by 1: 10 is cooled to room temperature, and is standby;
(3) be dissolved in the water about 60 ℃ according to the polyoxyethylene glycol of above-mentioned weight proportion after, be mixed with soap lye Yatall MA sulfonate, sorbitan monostearate, urethane and dilution, and about the NaoH aqueous solution adjust pH to 11 with 2mol/l;
(4) pitch and the soap lye that measures passed through colloidal mill simultaneously, emulsification obtains bitumen emulsion, is cooled to room temperature and makes the emulsified bitumen finished product.
The performance perameter of the emulsified bitumen of present embodiment preparation is as shown in table 3.
Embodiment 9, Preparation of Emulsification Asphalt
In the emulsified bitumen that this enforcement provides the raw material that adopts as follows: pitch is the 36-1AH-70 of CNOOC; Anion surfactant is the Yatall MA Sulfonates; Auxiliary agent 1 is Xylo-Mucine (number-average molecular weight is 6400 ± 1000), and auxiliary agent 2 is urethane (number-average molecular weight is 2000～20000), and the weight percent of said components is as shown in table 1.
Concrete preparation method may further comprise the steps:
(1) above-mentioned pitch is heated to 135 ℃, measures standby;
(2) above-mentioned Xylo-Mucine is dissolved in the cold water, by 1: 100 dilution proportion, standby;
(3) be dissolved in the water about 60 ℃ according to the Xylo-Mucine of above-mentioned weight proportion after, be mixed with soap lye Yatall MA Sulfonates, urethane and dilution, and about the NaoH aqueous solution adjust pH to 11 with 2mol/l;
(4) pitch and the soap lye that measures passed through colloidal mill simultaneously, emulsification obtains bitumen emulsion, is cooled to room temperature and makes the emulsified bitumen finished product.
The performance perameter of the emulsified bitumen of present embodiment preparation is as shown in table 3.
Embodiment 10, Preparation of Emulsification Asphalt
In the emulsified bitumen that this enforcement provides the raw material that adopts as follows: pitch is the 36-1SBS of CNOOC of CNOOC modifying asphalt; Anion surfactant is the Yatall MA Sulfonates; Auxiliary agent 1 is Natvosol (number-average molecular weight is about 250000), and auxiliary agent 2 is urethane (number-average molecular weight is 2000～20000), and the weight percent of said components is as shown in table 1.
Concrete preparation method may further comprise the steps:
(1) above-mentioned pitch is heated to 165 ℃, measures standby;
(2) above-mentioned Natvosol is dissolved in the cold water, by 1: 100 dilution proportion, standby;
(3) be dissolved in the water about 60 ℃ according to the Xylo-Mucine of above-mentioned weight proportion after, be mixed with soap lye Yatall MA Sulfonates, urethane and dilution, and about the NaoH aqueous solution adjust pH to 11 with 2mol/l;
(4) pitch and the soap lye that measures passed through colloidal mill simultaneously, emulsification obtains bitumen emulsion, is cooled to room temperature and makes the emulsified bitumen finished product.
The performance perameter of the emulsified bitumen of present embodiment preparation is as shown in table 3.
The weight proportion (%) of each component of the emulsified bitumen of table 1 embodiment 1-10 preparation
The performance index of the emulsified bitumen of table 2 embodiment 1-5 preparation
The performance index of the emulsified bitumen of table 3 embodiment 6-10 preparation
By table 2 and table 3 as can be known, emulsified bitumen provided by the invention can satisfy " the provisional technical qualification of passenger dedicated railway line CRTS II type plate type unballasted track cement emulsified bitumen mortar " (hereinafter to be referred as standard) requirement (as shown in table 4) to emulsified bitumen.
The performance index requirement of table 4 emulsified bitumen
Appendix A is the appendix of " the provisional technical qualification of passenger dedicated railway line CRTS II type plate type unballasted track cement emulsified bitumen mortar ".
Claims (10)
1. cement-emulsified pitch, according to weight percent meter, described cement-emulsified pitch comprises following component:
Pitch: 55%-65%;
Anion surfactant: 0.5%-5%;
Auxiliary agent: 0.02%-4%; With
The water of surplus.
2. emulsified bitumen according to claim 1 is characterized in that: according to weight percent meter, described cement-emulsified pitch comprises following component:
Pitch: 60%-65%;
Anion surfactant: 1%-4%;
Auxiliary agent: 0.04%-3.5%; With
The water of surplus.
3. emulsified bitumen according to claim 1 and 2 is characterized in that: described pitch is heavy-duty road asphalt, and its penetration degree is 4.0mm～14.0mm, wax content＜2.2%.
4. emulsified bitumen according to claim 3 is characterized in that: described pitch be in the 36-1AH-70 of CNOOC, the 36-1AH-90 of CNOOC and the 36-1SBS of the CNOOC modifying asphalt any, its penetration degree is 5.0mm～12.0mm, wax content＜2.2%.
5. according to arbitrary described emulsified bitumen among the claim 1-4, it is characterized in that: described anion surfactant is at least a in Yatall MA sulfonate, alkylsulfonate, alkylbenzene sulfonate, alkyl-sulphate and the sulfonated lignin.
6. emulsified bitumen according to claim 5 is characterized in that: the chain length of each alkyl in the described anion surfactant is a 8-18 carbon atom.
7. according to arbitrary described emulsified bitumen among the claim 1-6, it is characterized in that: described auxiliary agent is at least a in ammonium salt, calcium salt, strontium salt, Xylo-Mucine, Natvosol, polyvinyl alcohol, polyacrylamide, polyoxyethylene glycol, urethane and the wilkinite.
8. according to arbitrary described emulsified bitumen among the claim 1-7, it is characterized in that: described emulsified bitumen also comprises nonionogenic tenside; The quality percentage composition of nonionogenic tenside described in the described emulsified bitumen is 0.04%-3.5%.
9. emulsified bitumen according to claim 8 is characterized in that: described nonionogenic tenside is at least a in alkylphenol polyoxyethylene, aralkyl phenol polyethenoxy ether, polyoxyethylene sorbitan fatty acid ester, sorbitan fatty acid ester, the pure and mild fatty alcohol-polyoxyethylene ether of aliphatic polybasic acid.
10. arbitrary described Preparation of Emulsification Asphalt method among the claim 1-9 comprises the steps:
(1) described pitch is heated to 120 ℃～180 ℃;
(2) auxiliary agent after described auxiliary agent dilute with water is obtained diluting;
(3) with the auxiliary agent after described anion surfactant and the described dilution, or the auxiliary agent after described anion surfactant, nonionogenic tenside and the dilution is dissolved in 40 ℃～80 ℃ the water, is mixed with soap lye, and between adjust pH to 10～13;
(4) with described pitch with described soap lye mixes after emulsification promptly gets described emulsified bitumen.
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| CN103834183A (en) * | 2012-11-27 | 2014-06-04 | 中国石油天然气股份有限公司 | Special emulsified asphalt for high-speed railway plate-type ballastless track |
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| CN104448848A (en) * | 2014-11-21 | 2015-03-25 | 江苏省交通科学研究院股份有限公司 | Quick-set wheel-adhesion-free sticky layer emulsified asphalt and preparation method thereof |
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| CN104559249A (en) * | 2013-10-22 | 2015-04-29 | 中国石油化工股份有限公司 | Anionic-nonionic compound asphalt warm mix agent and preparation method thereof |
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| CN108727231A (en) * | 2018-06-11 | 2018-11-02 | 江苏金阳新材料科技有限公司 | A kind of ester crosslinking anacardol sulfonate anionic asphalt emulsifier and preparation method |
| CN110467825A (en) * | 2019-08-23 | 2019-11-19 | 武汉市市政建设集团有限公司 | A kind of Warm-Mix Bitumen Mixture and preparation method thereof containing reworked material |
| CN113773662A (en) * | 2021-10-13 | 2021-12-10 | 山东京博石油化工有限公司 | Anionic asphalt and preparation method thereof |
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| CN103788662A (en) * | 2012-10-29 | 2014-05-14 | 中国石油化工股份有限公司 | Emulsified asphalt, a preparation method thereof, applications thereof, a water-proof coating material and a water-proof coating |
| CN103834183A (en) * | 2012-11-27 | 2014-06-04 | 中国石油天然气股份有限公司 | Special emulsified asphalt for high-speed railway plate-type ballastless track |
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| CN104419209A (en) * | 2013-08-22 | 2015-03-18 | 中国石油化工股份有限公司 | Anionic asphalt temperature mixed agent and preparation method thereof |
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| CN104592768B (en) * | 2013-10-31 | 2018-12-07 | 中国石油化工股份有限公司 | A kind of anionic emulsified bitumen and preparation method thereof |
| CN104592768A (en) * | 2013-10-31 | 2015-05-06 | 中国石油化工股份有限公司 | Anionic emulsified asphalt and preparation method thereof |
| CN103613333A (en) * | 2013-11-19 | 2014-03-05 | 中国石油大学(华东) | Asphalt base composite material for pavement crack repair |
| CN103819916A (en) * | 2014-02-28 | 2014-05-28 | 山西远征化工有限责任公司 | Emulsified coal tar pitch |
| CN104448848A (en) * | 2014-11-21 | 2015-03-25 | 江苏省交通科学研究院股份有限公司 | Quick-set wheel-adhesion-free sticky layer emulsified asphalt and preparation method thereof |
| CN108587562A (en) * | 2018-05-16 | 2018-09-28 | 江苏西尔玛道路环保材料有限公司 | A kind of composite asphalt adhesive and its preparation method and application |
| CN108727231A (en) * | 2018-06-11 | 2018-11-02 | 江苏金阳新材料科技有限公司 | A kind of ester crosslinking anacardol sulfonate anionic asphalt emulsifier and preparation method |
| CN110467825A (en) * | 2019-08-23 | 2019-11-19 | 武汉市市政建设集团有限公司 | A kind of Warm-Mix Bitumen Mixture and preparation method thereof containing reworked material |
| CN110467825B (en) * | 2019-08-23 | 2022-04-01 | 武汉市市政建设集团有限公司 | Warm-mixed asphalt mixture containing reclaimed materials and preparation method thereof |
| CN113773662A (en) * | 2021-10-13 | 2021-12-10 | 山东京博石油化工有限公司 | Anionic asphalt and preparation method thereof |
| WO2024136362A1 (en) * | 2022-12-23 | 2024-06-27 | 한국건설기술연구원 | Modified emulsified asphalt composition for chip seal having improved moisture resistance and peeling resistance, and method for preparing same |
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Effective date of registration: 20170301 Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee after: China National Offshore Oil Corporation Patentee after: China National Offshore Oil Corporation Patentee after: CNOOC Refining & Chemical Research Institute (Beijing) Co., Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee before: China National Offshore Oil Corporation Patentee before: China National Offshore Oil and Gas Development and Utilization Co., Ltd. |
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Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: China National Offshore Oil Corporation Patentee after: China Offshore Oil Group Co., Ltd. Co-patentee after: CNOOC Refining & Chemical Research Institute (Beijing) Co., Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: China National Offshore Oil Corporation Patentee before: China National Offshore Oil Corporation Co-patentee before: CNOOC Refining & Chemical Research Institute (Beijing) Co., Ltd. |