CN101205393A - Compound rubber asphalt - Google Patents
Compound rubber asphalt Download PDFInfo
- Publication number
- CN101205393A CN101205393A CNA2006101476862A CN200610147686A CN101205393A CN 101205393 A CN101205393 A CN 101205393A CN A2006101476862 A CNA2006101476862 A CN A2006101476862A CN 200610147686 A CN200610147686 A CN 200610147686A CN 101205393 A CN101205393 A CN 101205393A
- Authority
- CN
- China
- Prior art keywords
- rubber asphalt
- asphalt
- rubber
- weight
- compound rubber
- 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
- 229920001971 elastomer Polymers 0.000 title claims abstract description 48
- 239000010426 asphalt Substances 0.000 title claims abstract description 38
- 150000001875 compounds Chemical class 0.000 title claims description 14
- 239000000843 powder Substances 0.000 claims abstract description 11
- 239000011295 pitch Substances 0.000 claims description 16
- 239000004698 Polyethylene Substances 0.000 claims description 9
- -1 polyethylene Polymers 0.000 claims description 9
- 229920000573 polyethylene Polymers 0.000 claims description 9
- 239000003208 petroleum Substances 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000000203 mixture Substances 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 abstract 3
- 238000010276 construction Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 6
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical compound C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004636 vulcanized rubber Substances 0.000 description 1
- 239000010920 waste tyre Substances 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to the composite rubber asphalt technical field. The compositions (by weight portion) of the composite rubber asphalt of the invention are: 100 weight portions of asphalt, 20 to 40 weight portions of 10-to-60-mesh tyre rubber powder, 5 to 40 weight portions of petropols1 to 5 weight portions of SBS, and 3 to 10 percent of tissuemat E against the weight of the asphalt. The composite rubber asphalt of the invention, compared with common rubber asphalt, has a better high temperature property due to a higher softening point and good construction performance due to a lower viscosity at 177 DEG C.
Description
Technical field
The invention belongs to a kind of compound rubber asphalt technical field.
Background technology
According to the definition of U.S. material with test association criterion (ASTMD 6114-97), rubber asphalt is meant the modifying asphalt agglutinate that the tyre rubber powder of content more than 15% (more than 180 ℃) and the reaction of pitch swelling under the high temperature and the condition of fully mixing and stirring obtain, because the rubber grain volume ratio can reach 40% after the swelling, rubber asphalt and compound thereof can both manifest the characteristic of vulcanized rubber, the low-temperature deformation ability, the road surface is improved in the snappiness of the following temperature of normal temperature, adding the transmission of tire resistance of aging, is unusual ideal long lifetime, the cracking resistance bituminous material.And, compare the SBS modifying asphalt and have cost advantage owing to adopt the recovery tire as material modified.But also there is deficiency in the rubber asphalt of scrap tire rubber prescription on high-temperature stability, under road traffic transfinites the situation that also is difficult to avoid, can influence rubber asphalt in heavy duty, traffic trunk main and the geographic application of high temperature.In addition, because the rubber asphalt volume that adds is higher, rubber asphalt is excessive 177 ℃ of following viscosity, and workability is bad.
Summary of the invention
Purpose of the present invention just provides a kind of new compound rubber asphalt, and the viscosity of this kind rubber asphalt significantly reduces, and has improved the workability of existing rubber asphalt etc.
The present inventor finds, by adding polyethylene wax, can improve the high-temperature stability of rubber asphalt, can also significantly reduce the viscosity of rubber asphalt simultaneously, has remedied the most important two aspect shortcomings of rubber asphalt just.
Therefore, the concrete technical scheme that the present invention taked is:
A kind of compound rubber asphalt, its component contains: the polyethylene wax of the 3.0%-10% of 100 parts of pitches, 10-60 order tyre rubber powder 20-40, petroleum resin 5-40 part, SBS 1-5 part, pitch weight.
The preferred 20-40 purpose of above-mentioned tyre rubber powder tyre rubber powder.The petroleum resin softening temperature is at 70-150 ℃, and preferred 90-115 ℃, the preferred 5-30 of its content.
Above-mentioned polyethylene wax content is preferably the 4-8% of pitch weight, and molecular-weight average is 500-15000, and softening temperature is at 90-160 ℃.
The adding of styrene-butadiene-styrene multipolymer SBS can further improve the high-temperature stability of rubber asphalt.Preferred molecular weight 10-30's ten thousand.
Beneficial effect of the present invention: compound rubber asphalt softening temperature of the present invention is than General Purpose Rubber pitch softening point height, and showing has better high-temperature behavior; 177 ℃ of viscosity are low than General Purpose Rubber pitch, and showing has workability preferably.
Embodiment
In the asphalt quality is per-cent, the tyre rubber powder of 20-30% is joined in the pitch, under 180 ℃ of temperature, stir and reacted 45 minutes, rubber is the powder after reclaiming the truck tire fragmentation and removing steel wire and fiber, the powder granularity is the 20-40 order, and the average out to particle diameter is 20 orders, and rubber hydrocarbon content is 60%, the acetone extract is 7%, and ash oontent is 8%; Pitch is No. 70 bi tumenf orr oads in the East Sea.The polyethylene wax that adds pitch weight 3-10% then continues to stir 30 minutes, makes compound rubber asphalt.Raw material and the proportioning of each embodiment see Table one.
Table one
| Component | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Pitch | 100 | 100 | 100 | 100 |
| Polyethylene wax | 2 | 3 | 4 | 5 |
| Petroleum resin | 5 | 10 | 8 | 19 |
| SBS | 2 | 2 | 5 | 4 |
| Tyre rubber powder | 20 | 23 | 26 | 4 |
The prepared rubber asphalt of each embodiment is carried out performance test.Penetration degree, softening temperature are pressed the method test of GB/T 4509 and GB/T4507 regulation respectively, and 177 ℃ of viscosity tests are undertaken by the method T 0620 that stipulates among the industry standard JTJ of the Ministry of Communications 052 " highway engineering pitch and asphalt testing regulation ".The results are shown in Table two.
Table two
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Penetration degree (25 ℃), 1/10mm | 45 | 40 | 35 | 30 |
| Softening temperature, ℃ | 54 | 69 | 74 | 85 |
| Viscosity (177 ℃), Pa.S | 1.7 | 2.0 | 2.1 | 2.9 |
By above detected result as seen, compound rubber asphalt softening temperature of the present invention is than General Purpose Rubber pitch softening point height, and showing has better high-temperature behavior; 177 ℃ of viscosity are low than General Purpose Rubber pitch, and showing has workability preferably.
Pass through experimental test, find to add the rubber asphalt cement formed mixed material voidage reduction under the same conditions of polyethylene wax, show that its workability improves, rubber-asphalt mixture wheel tracking test dynamic stability also increases gradually with the increase of polyethylene wax simultaneously, shows that its high-temperature stability obtains to improve.
Claims (5)
1. compound rubber asphalt, its component contains: the polyethylene wax of the 3.0%-10% of 100 parts of pitches, 10-60 order tyre rubber powder 20-40, petroleum resin 5-40 part, SBS 1-5 part, pitch weight.
2. as the said compound rubber asphalt of claim 1, it is characterized in that: said tyre rubber powder is the 20-40 order.
3. as the said compound rubber asphalt of claim 1, it is characterized in that: said petroleum resin softening temperature is 90-115 ℃, content 5-30 part.
4. as the said compound rubber asphalt of claim 1, it is characterized in that: said polyethylene wax content is the 4-8% of pitch weight, and molecular-weight average is 500-15000, and softening temperature is at 90-160 ℃.
5. as the said compound rubber asphalt of claim 1, it is characterized in that: said SBS molecular weight is 10-30 ten thousand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101476862A CN101205393A (en) | 2006-12-21 | 2006-12-21 | Compound rubber asphalt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101476862A CN101205393A (en) | 2006-12-21 | 2006-12-21 | Compound rubber asphalt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101205393A true CN101205393A (en) | 2008-06-25 |
Family
ID=39565881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101476862A Pending CN101205393A (en) | 2006-12-21 | 2006-12-21 | Compound rubber asphalt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101205393A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010088021A1 (en) | 2009-01-30 | 2010-08-05 | W. R. Grace & Co.-Conn. | Waterproofing membrane |
| WO2011025554A1 (en) | 2009-08-28 | 2011-03-03 | W.R. Grace & Co.-Conn. | Waterproofing membrane |
| CN101439946B (en) * | 2008-12-19 | 2011-07-27 | 同济大学 | Preparation of modified rubber asphalt mixture |
| CN101462849B (en) * | 2008-12-17 | 2011-09-14 | 同济大学 | Preparation of rubber asphalt mixture |
| CN101456700B (en) * | 2008-12-22 | 2011-11-16 | 同济大学 | Method for preparing composite modified rubber asphalt mixture |
| CN107880574A (en) * | 2017-11-29 | 2018-04-06 | 辽宁瑞德公路科技有限公司 | A kind of high viscous, high-elastic composite modified asphalt of environmental protection and preparation method thereof |
| CN111471309A (en) * | 2020-04-15 | 2020-07-31 | 中路高科(北京)公路技术有限公司 | Asphalt modifier and preparation method thereof, modified asphalt and preparation method thereof |
| CN118725592A (en) * | 2024-07-17 | 2024-10-01 | 江西省交通科学研究院有限公司 | Asphalt pavement repair material and preparation method thereof |
-
2006
- 2006-12-21 CN CNA2006101476862A patent/CN101205393A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101462849B (en) * | 2008-12-17 | 2011-09-14 | 同济大学 | Preparation of rubber asphalt mixture |
| CN101439946B (en) * | 2008-12-19 | 2011-07-27 | 同济大学 | Preparation of modified rubber asphalt mixture |
| CN101456700B (en) * | 2008-12-22 | 2011-11-16 | 同济大学 | Method for preparing composite modified rubber asphalt mixture |
| WO2010088021A1 (en) | 2009-01-30 | 2010-08-05 | W. R. Grace & Co.-Conn. | Waterproofing membrane |
| US8298661B2 (en) | 2009-01-30 | 2012-10-30 | W. R. Grace & Co.-Conn | Waterproofing membrane |
| WO2011025554A1 (en) | 2009-08-28 | 2011-03-03 | W.R. Grace & Co.-Conn. | Waterproofing membrane |
| US8298662B2 (en) | 2009-08-28 | 2012-10-30 | W.R. Grace & Co.-Conn. | Waterproofing membrane |
| CN107880574A (en) * | 2017-11-29 | 2018-04-06 | 辽宁瑞德公路科技有限公司 | A kind of high viscous, high-elastic composite modified asphalt of environmental protection and preparation method thereof |
| CN111471309A (en) * | 2020-04-15 | 2020-07-31 | 中路高科(北京)公路技术有限公司 | Asphalt modifier and preparation method thereof, modified asphalt and preparation method thereof |
| CN118725592A (en) * | 2024-07-17 | 2024-10-01 | 江西省交通科学研究院有限公司 | Asphalt pavement repair material and preparation method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080625 |