CN105482477A - Super-adhesive composite modified emulsified asphalt and preparation method thereof - Google Patents
Super-adhesive composite modified emulsified asphalt and preparation method thereof Download PDFInfo
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- CN105482477A CN105482477A CN201610047420.4A CN201610047420A CN105482477A CN 105482477 A CN105482477 A CN 105482477A CN 201610047420 A CN201610047420 A CN 201610047420A CN 105482477 A CN105482477 A CN 105482477A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
- C08L95/005—Aqueous compositions, e.g. emulsions
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
Super-adhesive composite modified emulsified asphalt is prepared from matrix asphalt, SBS modifier, viscosity reducer, cationic emulsifier, hydrochloric acid, water and SBR modifier. The method includes the steps of firstly, heating matrix asphalt, adding SBS modifier to be stirred, evenly dispersing SBS modifier in matrix asphalt, and preparing SBS modified asphalt; secondly, heating SBS modified asphalt, adding viscosity reducer, dispersing viscosity reducer to SBS modified asphalt, and preparing SBS modified asphalt used for emulsification; thirdly, placing SBS modified asphalt which is prepared in the second step and used for emulsification in an asphalt tank of an emulsification device to be emulsified; fourthly, adding cationic emulsifier and water into a liquid soap tank of the emulsification device to prepare liquid soap; fifthly, adding concentrated hydrochloric acid to heat liquid soap; sixthly, emulsifying SBS modified asphalt used for emulsification and liquid soap in the liquid soap tank through a colloid mill; seventhly, externally adding SBR modifier to be mixed with emulsification asphalt at a normal temperature for secondary modification. Composite modification is conducted through SBS and SBR modifier, the emulsified asphalt is good in stability, and viscosity of asphalt generated after demulsification is large.
Description
Technical field
The invention belongs to road engineering modified emulsifying asphalt and processing thereof and applied technical field, be specifically related to a kind of super sticky composite modified emulsification asphalt and preparation method thereof.
Background technology
According to relevant statistics, highway pavement bituminous concrete pavement cost accounts for 1/4 ~ 1/3 of highway total cost, and the maintenance cost overwhelming majority is used for road surface, and the ubiquitous technology of bituminous concrete pavement and a quality difficult problem mainly contain 2 points.One is poor durability, and current domestic bituminous concrete pavement longer work-ing life is 8 ~ 12 years, is generally shorter than design service life 15 ~ 20 years.Two is that the early damage on road surface is serious, after You Xin opens on road 1 ~ 3 year, within long 6 ~ 8 years, just occurs the diseases such as hole groove, cracking, rut, cling property are not enough and needs repairing.
In recent years, the application of modified emulsifying asphalt in highway engineering is increasingly extensive, as the micro-surface area of pavement maintenance & rehabilitation, slurry seal, road surface Coating combination adhesion coating, road and bridge face waterproof layer etc.Require in existing modified emulsifying asphalt technological standard: PCR modified emulsifying asphalt softening temperature >=50 DEG C, BCR modified emulsifying asphalt softening temperature >=53 DEG C, only require high 4 DEG C and 7 DEG C than No. 70 A level pitches respectively, modifying asphalt ubiquity high-temperature behavior after breakdown of emulsion is improved not obvious, adhesive property is not enough, particularly hot temperature district or the large region of the capacity of carriage higher, easily there is high temperature deformation, interlayer adhesion deficiency causes the phenomenons such as passing, greatly have impact on the work-ing life on modifying asphalt use properties and road surface.
At present, common modified emulsifying asphalt is SBR modified emulsifying asphalt and SBS modified emulsifying asphalt two kinds mainly.SBR modified emulsifying asphalt adopts styrene-butadiene rubber(SBR), and to the improvement successful of low-temperature performance, but improve not obvious to high-temperature behavior, stability in storage is poor, and glue content general about 65% in SBR latex, containing large water gaging, production cost is high; From use properties, SBS modified emulsifying asphalt is better than SBR modified emulsifying asphalt.SBS modified emulsifying asphalt adhesive property, high-temperature behavior are better, but produce comparatively difficulty.
Chinese patent literature [CN102040846A] discloses " a kind of oil-resistant asphalt pavement material and preparation method thereof ", propose and use SBS, EVA, macromolecule wax, linking agent to prepare oil resistant modified asphaltum, this modifying asphalt high-temperature behavior and low temperature performance excellent, but only for construction at high temperature, do not possess the safety of normal temperature construction, the advantage of energy-saving and environmental protection, general only for urban road laying, cold mixing material, slurry seal, sticking layer oil, the upgrading on permeable layers wet goods road surface (bridge floor) and maintenance demand cannot be applied to.
Chinese patent literature [CN100355834C] discloses " a kind of SBS modified emulsifying asphalt and preparation method thereof ", it adopts Sasobit, SBS to improve emulsifying temperature simultaneously, improve high-temperature behavior and low-temperature performance, but Sasobit product price is high, production cost is high, and Sasobit produces larger infringement to low-temperature performance; Its emulsifying agent is that MQK-1M, MQK-MQ3 etc. split type emulsifying agent slowly simultaneously, belongs to BCR modified emulsifying asphalt, can only be used for cold mixing material as micro-surface area, slurry seal etc., can not be used for the construction such as sealing, adhesion coating.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of super sticky composite modified emulsification asphalt and preparation method thereof, this emulsified bitumen adopts SBS and SBR composite modified, and the high-temperature behavior both having improved emulsified bitumen in turn simplify preparation method, the feature of emulsification convenience and excellent road performance.
For achieving the above object, the technical solution used in the present invention is: a kind of super sticky composite modified emulsification asphalt, by weight percentage, comprise following component: matrix pitch 50 ~ 55%, SBS modifier 1 ~ 3%, viscosity-depression agent 0.5 ~ 1%, cationic emulsifier 1 ~ 2%, hydrochloric acid 0.5 ~ 1%, water 35 ~ 46%, SBR properties-correcting agent 1 ~ 3%.
Described matrix pitch employing penetration degree is one or more the mixture in the bi tumenf orr oad of 60 ~ 150mm.
Described matrix pitch is No. 70 pitches of penetration degree 60 ~ 80mm.
Described matrix pitch is No. 90 pitches of penetration degree 80 ~ 100mm.
Described SBS modifier is linear structure, and weight-average molecular weight is 8 ~ 150,000.
Described viscosity-depression agent is sulfonated lignin or GGX-1.
Described cationic emulsifier is the one in BE-2, BE-3X, MQ3, MQK-1M.
The effective content of described SBR properties-correcting agent is 40%.
A kind of super sticky composite modified emulsification asphalt preparation method, comprises the following steps:
1) first the matrix pitch of 50 ~ 55% is heated to 170 ~ 185 DEG C, the SBS modifier adding 1 ~ 3% stirs after 30min, SBS modifier to be evenly spread in matrix pitch and goes, time controling 60 ~ 90min by high speed shear, temperature controls 170 ~ 185 DEG C, obtained SBS modifying asphalt;
2) SBS modifying asphalt is heated to 170 ~ 185 DEG C, adds the viscosity-depression agent of 0.5 ~ 1%, to be evenly spread in SBS modifying asphalt by viscosity-depression agent by high speed shear and go, temperature controls at 180 DEG C, time controling 10 ~ 30min, obtained emulsification SBS modifying asphalt;
3) during emulsification by step 2) obtained emulsification SBS modifying asphalt is placed in the asphalt tank of emulsifying device, heating maintenance 160 ~ 175 DEG C;
4) in the Soap liquid pot of emulsifying device, add cationic emulsifier 1 ~ 2%, the water of 35 ~ 46%, is mixed with soap lye after stirring;
5) add the hydrochloric acid 0.5 ~ 1% that concentration is 36 ~ 38%, soap lye pH value is adjusted to 1.8 ~ 2.2, then soap lye is heated to 50 ~ 60 DEG C;
6) be that namely 35 ~ 46%:50 ~ 55% obtains SBS modified emulsifying asphalt after colloidal mill emulsification, pressurization cooling by the emulsification SBS modifying asphalt in above-mentioned asphalt tank and the soap lye in Soap liquid pot with mass percent;
7) add the SBR properties-correcting agent of 1 ~ 3% after SBS modified emulsifying asphalt being cooled to normal temperature, after stirring, namely obtain high sticky composite modified emulsification asphalt.
Required adhesion coating construction when the super sticky composite modified emulsification asphalt of one prepared by the present invention can be used for modified emulsifying asphalt adhesion coating, newly-built or maintenance.
Beneficial effect of the present invention: in order to overcome current China for the common emulsified asphalt of sticking material or the shortcoming such as modified emulsifying asphalt ubiquity difficulty is produced, solid content is low, viscosity is not high, recovery of elasticity value is on the low side, this invention exploits a kind of super sticky composite modified emulsification asphalt, solve above problem, can be used for common adhesion coating and the construction of bridge floor tack coat, all technical is obviously better than common emulsified asphalt, has a good application prospect.And the super sticky composite modified emulsification asphalt production technique of this one is easy, high-temperature behavior and emulsifying effectiveness fabulous.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail.
Embodiment 1
A kind of super sticky composite modified emulsification asphalt, by weight percentage, comprises following component: matrix pitch 52%, SBS modifier 2%, viscosity-depression agent 1%, cationic emulsifier 1%, hydrochloric acid 0.5%, water 42%, SBR properties-correcting agent 1.5%;
Described matrix pitch one or more the mixture that to be penetration degree be in the bi tumenf orr oad of 60 ~ 150mm;
Described SBS is linear structure, and weight-average molecular weight is 8 ~ 150,000;
Described viscosity-depression agent is sulfonated lignin.
Described cationic emulsifier is BE-2.
Described SBR properties-correcting agent effective content is 40%.
Embodiment 2
A kind of super sticky composite modified emulsification asphalt, by weight percentage, comprises following component: matrix pitch 53%, SBS modifier 1.5%, viscosity-depression agent 1%, cationic emulsifier 1%, hydrochloric acid 0.5%, water 41%, SBR properties-correcting agent 2%;
Described matrix pitch is penetration degree is No. 70 pitches of 70 ~ 80mm or No. 90 pitches of penetration degree 90 ~ 100mm;
Described SBS is linear structure, and weight-average molecular weight is 8 ~ 150,000;
Described viscosity-depression agent is GGX-1.
Described cationic emulsifier is MQK-1M.
Described SBR properties-correcting agent effective content is 40%.
Embodiment 3
A kind of super sticky composite modified emulsification asphalt, by weight percentage, comprises following component: matrix pitch 52%, SBS modifier 1.5%, viscosity-depression agent 0.5%, cationic emulsifier 1%, hydrochloric acid 0.5%, water 42%, SBR properties-correcting agent 2.5%;
Described matrix pitch is No. 70 pitches of penetration degree 60 ~ 80mm or No. 90 pitches of penetration degree 80 ~ 100mm;
Described SBS is linear structure, and weight-average molecular weight is 10 ~ 150,000;
Described cationic emulsifier is GNN-R;
Described SBR properties-correcting agent effective content is 40%.
Comparative example
The emulsifying agent taking total mass 1% is soluble in water, and adds the concentrated hydrochloric acid 0.5% of 36 ~ 38%, soap lye pH value is adjusted to 2, is then stirred by soap lye; Respectively soap lye is heated to 60 DEG C, SK90
#matrix pitch is heated to 140 DEG C, and matrix pitch and soap lye are that namely 50%:50% by obtaining common emulsified asphalt after colloidal mill emulsification with mass percent.
As can be seen from Table 3: this composite modified emulsification asphalt evaporation residue is compared with modified emulsifying asphalt, corresponding common emulsified asphalt evaporation residue (comparative example), ductility, softening temperature and recovery of elasticity value improve a lot, and low-temperature performance and high-temperature behavior all improve.
The evaporation residue ductility of embodiment 1, embodiment 2, embodiment 3, softening temperature and recovery of elasticity value are all obviously better than comparative example.
Screen over-size, the normal temperature storage stability of embodiment 1, embodiment 2, embodiment 3 are also obvious due to comparative example, and illustrate that the quality of this composite modified emulsification asphalt is better, short-term and long-term storage system can be better.
For fully simulating the shear effect on actual road surface, adopt 10cm rut mould molding test specimen.Moulding process is with reference to Practical Project adhesion coating construction technology, according to " JTGE20-2011 highway engineering pitch and Asphalt Mixture Experiment code " T0703-2011, first surface layer in the shaping 5cmAC-20C compound of wheel milling process is adopted, brushing example 4 after 24h cooling, 5, high viscosity composite modified emulsification asphalt in 6, SBS modified emulsifying asphalt, common emulsified asphalt in SBR modified emulsifying asphalt and comparative example, after pitch breakdown of emulsion to be emulsified, test specimen is put into 10cm rut mould, overlay wearing course above, wheel milling process rolls and forms the compound rut test piece of 10cm, sample dimensions is 30cm × 30cm × 10cm, in specimen molding process, the mix of compound and compacting temperature and mix-design are consistent, guarantee shaping after Sample density be 100% ± 1% of marshall compaction Sample density.Consider the simplicity of specimen molding, therefore be all set as 5cm by two-layer up and down, shear test the results are shown in Table 4.
As seen from Table 4, the interlaminar bonding successful changing high viscosity spray-type SBS modified emulsifying asphalt is better than SBS modified emulsifying asphalt and common emulsified asphalt.
Claims (9)
1. a super sticky composite modified emulsification asphalt, it is characterized in that, by weight percentage, comprise following component: matrix pitch 50 ~ 55%, SBS modifier 1 ~ 3%, viscosity-depression agent 0.5 ~ 1%, cationic emulsifier 1 ~ 2%, hydrochloric acid 0.5 ~ 1%, water 35 ~ 46%, SBR properties-correcting agent 1 ~ 3%.
2. the super sticky composite modified emulsification asphalt of one according to claim 1, is characterized in that, described matrix pitch employing penetration degree is one or more the mixture in the bi tumenf orr oad of 60 ~ 150mm.
3. the super sticky composite modified emulsification asphalt of one according to claim 2, is characterized in that, described matrix pitch is No. 70 pitches of penetration degree 60 ~ 80mm.
4. the super sticky composite modified emulsification asphalt of one according to claim 2, is characterized in that, described matrix pitch is No. 90 pitches of penetration degree 80 ~ 100mm.
5. the super sticky composite modified emulsification asphalt of one according to claim 1 or 2 or 3 or 4, it is characterized in that, described SBS modifier is linear structure, and weight-average molecular weight is 8 ~ 150,000.
6. the super sticky composite modified emulsification asphalt of one according to claim 1 or 2 or 3 or 4, it is characterized in that, described viscosity-depression agent is sulfonated lignin or GGX-1.
7. the super sticky composite modified emulsification asphalt of one according to claim 1, is characterized in that, described cationic emulsifier is the one in BE-2, BE-3X, MQ3, MQK-1M.
8. the super sticky composite modified emulsification asphalt of one according to claim 1, is characterized in that, the effective content of described SBR properties-correcting agent is 40%.
9. a preparation method for super sticky composite modified emulsification asphalt, is characterized in that, comprise the following steps:
1) first the matrix pitch of 50 ~ 55% is heated to 170 ~ 185 DEG C, the SBS modifier adding 1 ~ 3% stirs after 30min, SBS modifier to be evenly spread in matrix pitch and goes, time controling 60 ~ 90min by high speed shear, temperature controls 170 ~ 185 DEG C, obtained SBS modifying asphalt;
2) SBS modifying asphalt is heated to 170 ~ 185 DEG C, adds the viscosity-depression agent of 0.5 ~ 1%, to be evenly spread in SBS modifying asphalt by viscosity-depression agent by high speed shear and go, temperature controls at 180 DEG C, time controling 10 ~ 30min, obtained emulsification SBS modifying asphalt;
3) during emulsification by step 2) obtained emulsification SBS modifying asphalt is placed in the asphalt tank of emulsifying device, heating maintenance 160 ~ 175 DEG C;
4) in the Soap liquid pot of emulsifying device, add cationic emulsifier 1 ~ 2%, the water of 35 ~ 46%, is mixed with soap lye after stirring;
5) add the hydrochloric acid 0.5 ~ 1% that concentration is 36 ~ 38%, soap lye pH value is adjusted to 1.8 ~ 2.2, then soap lye is heated to 50 ~ 60 DEG C;
6) be that namely 35 ~ 46%:50 ~ 55% obtains SBS modified emulsifying asphalt after colloidal mill emulsification, pressurization cooling by the emulsification SBS modifying asphalt in above-mentioned asphalt tank and the soap lye in Soap liquid pot with mass percent;
7) add the SBR properties-correcting agent of 1 ~ 3% after SBS modified emulsifying asphalt being cooled to normal temperature, after stirring, namely obtain high sticky composite modified emulsification asphalt.
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106800788A (en) * | 2017-01-24 | 2017-06-06 | 中国海洋石油总公司 | A kind of modified emulsifying asphalt and preparation method thereof |
| CN106883623A (en) * | 2017-03-28 | 2017-06-23 | 长安大学 | Priming oil for cement stabilized macadam base and preparation method thereof |
| CN107619608A (en) * | 2016-07-15 | 2018-01-23 | 中国石油化工股份有限公司 | A kind of block copolymer-modified asphalt emulsion and preparation method thereof |
| CN109233309A (en) * | 2018-08-30 | 2019-01-18 | 沈阳市沈北新区路佳庆环保型沥青冷拌技术咨询中心 | A kind of environment-friendly type cold mixing modified emulsifying asphalt |
| CN109337387A (en) * | 2018-08-30 | 2019-02-15 | 沈阳市沈北新区路佳庆环保型沥青冷拌技术咨询中心 | A kind of environment-friendly type cold mixing high adhered modification emulsified asphalt |
| CN109467945A (en) * | 2018-10-11 | 2019-03-15 | 中山市易路美智能装备有限公司 | A kind of high viscous extraordinary composite modified asphalt lotion and preparation method thereof |
| CN109486421A (en) * | 2018-10-11 | 2019-03-19 | 中山市易路美智能装备有限公司 | A kind of ultra-thin sealing material of environment-friendly type antiskid and preparation method thereof |
| CN109762357A (en) * | 2019-01-28 | 2019-05-17 | 广州鸿绵合成材料有限公司 | A kind of high intensity is cationic to split fastly fastly coagulates modified emulsifying asphalt and preparation method thereof |
| CN110283467A (en) * | 2019-07-18 | 2019-09-27 | 湖南鑫长胜材料科技有限公司 | A kind of adhesion coating modified emulsifying asphalt and preparation method |
| CN111825855A (en) * | 2020-07-31 | 2020-10-27 | 上海缤德新材料科技有限公司 | High-viscosity emulsified asphalt for cold mixing and cold paving and preparation method thereof |
| CN112012069A (en) * | 2020-08-18 | 2020-12-01 | 江苏创为交通科技发展有限公司 | Antiskid, noise-reducing and slow-release type anti-freezing asphalt pavement maintenance method |
| CN112592594A (en) * | 2020-06-30 | 2021-04-02 | 杭州天禧公路养护科技有限公司 | Emulsified modified asphalt for micro surfacing and preparation thereof |
| WO2021115090A1 (en) * | 2019-12-09 | 2021-06-17 | 江苏中路交通科学技术有限公司 | High-strength emulsified asphalt and preparation method therefor |
| CN113105748A (en) * | 2021-05-30 | 2021-07-13 | 南方高科工程技术有限公司 | Super-viscous self-healing non-emulsified oil for sticking layer |
| CN113402846A (en) * | 2021-06-28 | 2021-09-17 | 江苏创为交通科技发展有限公司 | Preparation method of cationic single-component waterborne epoxy asphalt and application of cationic single-component waterborne epoxy asphalt in preventive maintenance technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107619608A (en) * | 2016-07-15 | 2018-01-23 | 中国石油化工股份有限公司 | A kind of block copolymer-modified asphalt emulsion and preparation method thereof |
| CN107619608B (en) * | 2016-07-15 | 2021-06-04 | 中国石油化工股份有限公司 | Block copolymer modified asphalt emulsion and preparation method thereof |
| CN106800788A (en) * | 2017-01-24 | 2017-06-06 | 中国海洋石油总公司 | A kind of modified emulsifying asphalt and preparation method thereof |
| CN106883623A (en) * | 2017-03-28 | 2017-06-23 | 长安大学 | Priming oil for cement stabilized macadam base and preparation method thereof |
| CN109233309A (en) * | 2018-08-30 | 2019-01-18 | 沈阳市沈北新区路佳庆环保型沥青冷拌技术咨询中心 | A kind of environment-friendly type cold mixing modified emulsifying asphalt |
| CN109337387A (en) * | 2018-08-30 | 2019-02-15 | 沈阳市沈北新区路佳庆环保型沥青冷拌技术咨询中心 | A kind of environment-friendly type cold mixing high adhered modification emulsified asphalt |
| CN109486421A (en) * | 2018-10-11 | 2019-03-19 | 中山市易路美智能装备有限公司 | A kind of ultra-thin sealing material of environment-friendly type antiskid and preparation method thereof |
| CN109486421B (en) * | 2018-10-11 | 2021-01-26 | 中山市易路美智能装备有限公司 | Environment-friendly anti-slip ultrathin seal layer material and preparation method thereof |
| CN109467945A (en) * | 2018-10-11 | 2019-03-15 | 中山市易路美智能装备有限公司 | A kind of high viscous extraordinary composite modified asphalt lotion and preparation method thereof |
| CN109762357A (en) * | 2019-01-28 | 2019-05-17 | 广州鸿绵合成材料有限公司 | A kind of high intensity is cationic to split fastly fastly coagulates modified emulsifying asphalt and preparation method thereof |
| CN110283467A (en) * | 2019-07-18 | 2019-09-27 | 湖南鑫长胜材料科技有限公司 | A kind of adhesion coating modified emulsifying asphalt and preparation method |
| WO2021115090A1 (en) * | 2019-12-09 | 2021-06-17 | 江苏中路交通科学技术有限公司 | High-strength emulsified asphalt and preparation method therefor |
| CN112592594A (en) * | 2020-06-30 | 2021-04-02 | 杭州天禧公路养护科技有限公司 | Emulsified modified asphalt for micro surfacing and preparation thereof |
| CN111825855A (en) * | 2020-07-31 | 2020-10-27 | 上海缤德新材料科技有限公司 | High-viscosity emulsified asphalt for cold mixing and cold paving and preparation method thereof |
| CN111825855B (en) * | 2020-07-31 | 2022-09-09 | 上海缤德新材料科技有限公司 | High-viscosity emulsified asphalt for cold mixing and cold paving and preparation method thereof |
| CN112012069A (en) * | 2020-08-18 | 2020-12-01 | 江苏创为交通科技发展有限公司 | Antiskid, noise-reducing and slow-release type anti-freezing asphalt pavement maintenance method |
| CN112012069B (en) * | 2020-08-18 | 2023-04-07 | 江苏创为交通科技发展有限公司 | Antiskid, noise-reduction and slow-release type anti-freezing asphalt pavement maintenance method |
| CN113105748A (en) * | 2021-05-30 | 2021-07-13 | 南方高科工程技术有限公司 | Super-viscous self-healing non-emulsified oil for sticking layer |
| CN113105748B (en) * | 2021-05-30 | 2022-10-18 | 南方高科工程技术有限公司 | Super-viscous self-healing non-emulsified oil for sticking layer |
| CN113402846A (en) * | 2021-06-28 | 2021-09-17 | 江苏创为交通科技发展有限公司 | Preparation method of cationic single-component waterborne epoxy asphalt and application of cationic single-component waterborne epoxy asphalt in preventive maintenance technology |
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