CN107936594A - A kind of emulsified asphalt of cold recycled asphalt and preparation method thereof - Google Patents
A kind of emulsified asphalt of cold recycled asphalt and preparation method thereof Download PDFInfo
- Publication number
- CN107936594A CN107936594A CN201711278645.1A CN201711278645A CN107936594A CN 107936594 A CN107936594 A CN 107936594A CN 201711278645 A CN201711278645 A CN 201711278645A CN 107936594 A CN107936594 A CN 107936594A
- Authority
- CN
- China
- Prior art keywords
- asphalt
- parts
- emulsified
- emulsified asphalt
- cold recycled
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Working-Up Tar And Pitch (AREA)
Abstract
The invention discloses a kind of emulsified asphalt of cold recycled asphalt and preparation method thereof.Will matrix pitch, Hydrogenated SBS, the lower reaction of neoprene Hybrid Heating stirring, then add miberal powder and be uniformly mixed to obtain modified pitch, emulsifying agent is added to the water stirring and dissolving, the modified pitch of preparation is added, is emulsified with colloid mill up to emulsified asphalt.The emulsified asphalt of cold recycled asphalt provided by the invention prepares simple and easy to maintain, can be prefabricated at factory, then at the scene regeneration asphalt when use, there is good performance under its cryogenic conditions, stability is high, and preparation method provided by the invention is simple, materials derive from a wealth of sources, and environmental-friendly.
Description
Technical field
The invention belongs to pitch regeneration field, and in particular to a kind of emulsified asphalt of cold recycled asphalt and its preparation side
Method.
Background technology
China needs periodic maintenance and the bituminous paving substantial amounts safeguarded, Bituminous concrete surface caused by old asphalt pavement mixes
The up to ten million tons of material, if the great wasting of resources can be caused by being abandoned as waste material, thus exploitation can reuse Bituminous concrete surface and mix
The method for closing material is particularly significant, and regeneration is carried out to the old material of asphalt concrete pavement, can be reduced fund and material
Consumption, solves the problems, such as environmental pollution, with good economic efficiency, environmental benefit and social benefit.
A kind of regeneration techniques of the emulsified asphalt cold renewal as green, economy, can largely utilize waste asphalt mixture,
Economize on resources, reduce cost, moreover it is possible to be effectively improved reflection crack, fatigue damage, the durability of existing road structure, dripped in emulsification
In blue or green cold recycling technology application process, the performance quality of additive emulsified asphalt is very crucial, this is for pitch mixing material
Cold renewal performance influence it is very great, and the prior art rarely for emulsified asphalt carry out improvement, have focused largely on for
The additive of pitch regeneration batch mixing is improved, as CN105461258A patent names are logical for " a kind of cold recycled asphalt mixture "
Addition gutter oil, diesel oil, benzophenone, flyash, lignocellulosic, benzophenone, p-methyl benzenesulfonic acid etc. are crossed to be dripped
Green material cold regeneration mix, it is formulated and preparation method is complex, is unfavorable for site operation.For another example CN106750374A
" a kind of asphalt emulsifier and preparation method thereof and emulsified asphalt product " is then that emulsifying agent is improved, but emulsifying agent is in itself
Performance influence for emulsified asphalt is not notable, i.e., the performance of final asphalt-regenerating mixture is influenced not notable.This
Outside, existing emulsified asphalt resistance to low temperature in itself and bad, under especially less than 5 DEG C of environment, emulsified asphalt regeneration drip
The state of an illness such as depression easily occur under loads for blue or green road surface.
The content of the invention
Emulsified asphalt and its preparation the object of the present invention is to provide a kind of good, the low temperature resistant cold recycled asphalt of stability
Method.
The present invention is achieved by the following technical solution：
A kind of emulsified asphalt of cold recycled asphalt includes following component：Matrix pitch, Hydrogenated SBS, neoprene, emulsification
Agent, miberal powder, water.
Further, the emulsified asphalt of above-mentioned cold recycled asphalt includes following parts by weight of component：70-90 parts of matrix drips
Green grass or young crops, 2-4 parts of Hydrogenated SBSs, 2-5 parts of emulsifying agents, 1-3 parts of neoprenes, 2-5 parts of miberal powders, 30-40 parts of water.
Further, the emulsified asphalt of above-mentioned cold recycled asphalt includes following parts by weight of component：80 parts of matrix pitches, 3
Part Hydrogenated SBS, 4 parts of emulsifying agents, 2 parts of neoprenes, 3 parts of miberal powders, 35 parts of water.
Further, emulsifying agent is nonionic surfactant described in the emulsified asphalt of above-mentioned cold recycled asphalt.
It is further preferred that emulsifying agent is fatty acid amide described in the emulsified asphalt of above-mentioned cold recycled asphalt.
Further, miberal powder described in the emulsified asphalt of above-mentioned cold recycled asphalt was the limestone powder of 60 mesh sieves,
The neoprene was 100 mesh powders.
The preparation method of the emulsified asphalt of above-mentioned cold recycled asphalt includes step：
A. matrix pitch, Hydrogenated SBS, neoprene are mixed and heated to the lower reaction 2-3h of 100-110 DEG C of stirring；
B. add miberal powder and modified pitch is uniformly mixed to obtain at 90-100 DEG C；
C., emulsifying agent is added to stirring and dissolving in 50-60 DEG C of water, modified pitch prepared by step B adds, and uses glue
Body mill is emulsified up to emulsified asphalt.
Further, in the preparation method of the emulsified asphalt of above-mentioned cold recycled asphalt, heating-up temperature is in the step A
110 DEG C, reaction time 2.5h；
Further, in the preparation method of the emulsified asphalt of above-mentioned cold recycled asphalt, the mill of colloid mill in the step C
Gap is 10-20 microns, and colloid mill emulsification times are not less than 4h, 75 DEG C of colloid mill emulsion process constant temperature.
The emulsified asphalt of cold recycled asphalt provided by the invention prepare it is simple and easy to maintain, can be prefabricated at factory
It is good, then at the scene regeneration asphalt when use, there is good performance, stability is high, and present invention offer under its cryogenic conditions
Preparation method it is simple, materials derive from a wealth of sources, and environmental-friendly.
Embodiment
With reference to specific embodiment, the present invention will be further described.The embodiment is only being preferable to carry out for the present invention
Example, is not intended to limit the invention, for those skilled in the art, the present invention can have various changes and change
Change.Within the spirit and principles of the invention, any modification, equivalent replacement, improvement and so on, should be included in the present invention
Protection domain within.
Embodiment 1
The neoprene of 80kg matrix pitches, 2kg Hydrogenated SBSs, 100 mesh of 3kg is mixed and heated in reaction vessel
The lower reaction 3h of 110 DEG C of stirrings；The agstone for adding 60 mesh of 2kg is uniformly mixed to obtain modified pitch at 90 DEG C；By 3kg
Emulsifying agent is added to stirring and dissolving in 60 DEG C of 35kg water, and the modified pitch of preparation is added reaction vessel, is 10 with mill gap
The colloid mill of micron constant temperature at 75 DEG C emulsifies 5h up to emulsified asphalt.
Embodiment 2
The neoprene of 70kg matrix pitches, 4kg Hydrogenated SBSs, 100 mesh of 1kg is mixed and heated in reaction vessel
The lower reaction 3h of 105 DEG C of stirrings；The agstone for adding 60 mesh of 3kg is uniformly mixed to obtain modified pitch at 90 DEG C；By 5kg
Emulsifying agent is added to stirring and dissolving in 60 DEG C of 40kg water, and the modified pitch of preparation is added reaction vessel, is 10 with mill gap
The colloid mill of micron constant temperature at 75 DEG C emulsifies 4h up to emulsified asphalt.
Embodiment 3
The neoprene of 80kg matrix pitches, 3kg Hydrogenated SBSs, 100 mesh of 2kg is mixed and heated in reaction vessel
The lower reaction 3h of 100 DEG C of stirrings；The agstone for adding 60 mesh of 5kg is uniformly mixed to obtain modified pitch at 90 DEG C；By 2kg
Emulsifying agent is added to stirring and dissolving in 60 DEG C of 30kg water, and the modified pitch of preparation is added reaction vessel, is 10 with mill gap
The colloid mill of micron constant temperature at 75 DEG C emulsifies 5h up to emulsified asphalt.
Embodiment 4
The neoprene of 90kg matrix pitches, 4kg Hydrogenated SBSs, 100 mesh of 2kg is mixed and heated in reaction vessel
The lower reaction 3h of 110 DEG C of stirrings；The agstone for adding 60 mesh of 3kg is uniformly mixed to obtain modified pitch at 90 DEG C；By 2kg
Emulsifying agent is added to stirring and dissolving in 60 DEG C of 35kg water, and the modified pitch of preparation is added reaction vessel, is 20 with mill gap
The colloid mill of micron constant temperature at 75 DEG C emulsifies 4h up to emulsified asphalt.
Emulsified asphalt product prepared by embodiment is stored six months at a temperature of being placed in 5 DEG C, then presses embodiment product
Cold asphalt rehabilitation mixture is configured to according to following parts by weight of component：90 parts of particle diameters are the recycling asphalt pavement material RAP of 3-6mm, 5
Part emulsified asphalt, 10 parts of rubbles.Bend test measure, embodiment are carried out according to the cryogenic conditions in asphalt bend test
The flexural tensile strength of product is all higher than 3.5MPa, and maximum flexural-tensile strain is above 1793 μ ε, and bending-type panel is above
1822MPa。
Claims (9)
1. a kind of emulsified asphalt of cold recycled asphalt, it is characterised in that including following component：
Matrix pitch, Hydrogenated SBS, neoprene, emulsifying agent, miberal powder, water.
2. the emulsified asphalt of cold recycled asphalt according to claim 1, it is characterised in that including following parts by weight group
Point：
70-90 parts of matrix pitches, 2-4 parts of Hydrogenated SBSs, 2-5 parts of emulsifying agents, 1-3 parts of neoprenes, 2-5 parts of miberal powders, 30-40 parts
Water.
3. the emulsified asphalt of cold recycled asphalt according to claim 1, it is characterised in that including following parts by weight group
Point：
80 parts of matrix pitches, 3 parts of Hydrogenated SBSs, 4 parts of emulsifying agents, 2 parts of neoprenes, 3 parts of miberal powders, 35 parts of water.
4. the emulsified asphalt of cold recycled asphalt as claimed in any of claims 1 to 3, it is characterised in that
The emulsifying agent is nonionic surfactant.
5. the emulsified asphalt of cold recycled asphalt according to claim 4, it is characterised in that
The emulsifying agent is fatty acid amide.
6. the emulsified asphalt of cold recycled asphalt as claimed in any of claims 1 to 3, it is characterised in that
The miberal powder was the limestone powder of 60 mesh sieves, and the neoprene was 100 mesh powders.
7. the preparation method of the emulsified asphalt of the cold recycled asphalt as described in any one in claim 1 to 6, its feature exists
In, including step：
A. matrix pitch, Hydrogenated SBS, neoprene are mixed and heated to the lower reaction 2-3h of 100-110 DEG C of stirring；
B. add miberal powder and modified pitch is uniformly mixed to obtain at 90-100 DEG C；
C., emulsifying agent is added to stirring and dissolving in 50-60 DEG C of water, modified pitch prepared by step B adds, and uses colloid mill
Emulsify up to emulsified asphalt.
8. the preparation method of the emulsified asphalt of cold recycled asphalt according to claim 7, it is characterised in that
Heating-up temperature is 110 DEG C in the step A, reaction time 2.5h；
9. the preparation method of the emulsified asphalt of cold recycled asphalt according to claim 7, it is characterised in that
The mill gap of colloid mill is 10-20 microns in the step C, and colloid mill emulsification times are not less than 4h, and colloid mill emulsified
75 DEG C of Cheng Hengwen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711278645.1A CN107936594A (en) | 2017-12-06 | 2017-12-06 | A kind of emulsified asphalt of cold recycled asphalt and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711278645.1A CN107936594A (en) | 2017-12-06 | 2017-12-06 | A kind of emulsified asphalt of cold recycled asphalt and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107936594A true CN107936594A (en) | 2018-04-20 |
Family
ID=61944942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711278645.1A Pending CN107936594A (en) | 2017-12-06 | 2017-12-06 | A kind of emulsified asphalt of cold recycled asphalt and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107936594A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110982291A (en) * | 2019-12-23 | 2020-04-10 | 东北林业大学 | Emulsified asphalt for cold recycled asphalt and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1396213A (en) * | 2002-06-10 | 2003-02-12 | 中油销售江苏公司兴能沥青厂 | Polymer emulsified and re-cross-linked asphalt colloid mixture and its preparing process |
| CN101508848A (en) * | 2009-03-18 | 2009-08-19 | 广州路翔股份有限公司 | Modified emulsified asphalt, production method and CA mortar comprising the emulsified asphalt |
| CN101624475A (en) * | 2009-08-14 | 2010-01-13 | 北京玖威信达技术有限公司 | Cold regeneration modified asphalt |
| CN104761918A (en) * | 2015-02-05 | 2015-07-08 | 南京道润交通科技有限公司 | On-site cooled regeneration special emulsified asphalt mixture |
| CN105859189A (en) * | 2016-03-29 | 2016-08-17 | 南方高科工程技术有限公司 | Cold-recycling emulsified asphalt step-by-step addition process |
-
2017
- 2017-12-06 CN CN201711278645.1A patent/CN107936594A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1396213A (en) * | 2002-06-10 | 2003-02-12 | 中油销售江苏公司兴能沥青厂 | Polymer emulsified and re-cross-linked asphalt colloid mixture and its preparing process |
| CN101508848A (en) * | 2009-03-18 | 2009-08-19 | 广州路翔股份有限公司 | Modified emulsified asphalt, production method and CA mortar comprising the emulsified asphalt |
| CN101624475A (en) * | 2009-08-14 | 2010-01-13 | 北京玖威信达技术有限公司 | Cold regeneration modified asphalt |
| CN104761918A (en) * | 2015-02-05 | 2015-07-08 | 南京道润交通科技有限公司 | On-site cooled regeneration special emulsified asphalt mixture |
| CN105859189A (en) * | 2016-03-29 | 2016-08-17 | 南方高科工程技术有限公司 | Cold-recycling emulsified asphalt step-by-step addition process |
Non-Patent Citations (1)
| Title |
|---|
| 王宝民等: "《道路建筑材料（第1版）》", 31 August 2010, 中国建材工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110982291A (en) * | 2019-12-23 | 2020-04-10 | 东北林业大学 | Emulsified asphalt for cold recycled asphalt and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103242002B (en) | Cold-mix semi-flexible composite pavement material and preparation method thereof | |
| CN101161778B (en) | Method for preparing modified asphalt | |
| CN106431125A (en) | Cold mixing color asphalt mixture and preparation method | |
| CN105859191B (en) | A kind of composite modified asphalt mixture of highly anti-fatigue cracking performance | |
| CN103554933B (en) | For the high-adhesion priming oil and preparation method thereof of cement stabilized macadam base | |
| CN108726924B (en) | Response type Cold bituminous mixture and preparation method thereof | |
| CN102464890A (en) | Aqueous asphalt-based epoxy resin waterproof material composition and preparation process thereof | |
| CN109369048A (en) | A kind of asphalt and preparation method thereof of chemical modification red mud substitution miberal powder | |
| CN104844072A (en) | Preparation method of plant-mixed hot recycled asphalt mixture | |
| CN106317920A (en) | Coal liquefaction residue compound asphalt and preparation method thereof | |
| CN105907114A (en) | Composite asphalt cold supplementing liquid and preparing method | |
| CN105859175A (en) | Plant-mixed warm regenerated asphalt mixture of large-proportion RAP material | |
| CN104403333A (en) | Modified asphalt cement particle, preparation method and applications thereof | |
| CN106519715A (en) | Swill-cooked dirty oil based modified biological asphalt, biological asphalt mixture and preparation method thereof | |
| CN107916006A (en) | A kind of Cold Recycled Mixture with Emulsified Asphalt and preparation method thereof | |
| CN108484017A (en) | Hgh-performance emulsified asphalt and preparation method thereof for cold mixing cold-application | |
| CN114806085B (en) | Dry-method epoxy modifier for road and bridge pavement, modified asphalt mixture, and preparation method and application thereof | |
| CN108559289A (en) | A kind of nano modification emulsified asphalt and its preparation and application | |
| Sanchez-Alonso et al. | Sustainable asphalt mixes: use of additives and recycled materials | |
| CN107936594A (en) | A kind of emulsified asphalt of cold recycled asphalt and preparation method thereof | |
| CN109267452A (en) | Mixture and its preparation method and application based on road surface reclaimed materials cold renewal | |
| CN108467700A (en) | A kind of SMC pitches cold-patch agent and preparation method thereof | |
| CN102558879A (en) | Compound asphalt mixture wet-mixing additive and preparation method thereof | |
| Zheng et al. | Preparation and application of rubber modified emulsified asphalt | |
| CN105985061B (en) | A kind of asphalt and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180420 |
|
| RJ01 | Rejection of invention patent application after publication |