CN101481504A - Preparation of active nano calcium carbonate composite modified asphalt material - Google Patents
Preparation of active nano calcium carbonate composite modified asphalt material Download PDFInfo
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- CN101481504A CN101481504A CNA2009100140523A CN200910014052A CN101481504A CN 101481504 A CN101481504 A CN 101481504A CN A2009100140523 A CNA2009100140523 A CN A2009100140523A CN 200910014052 A CN200910014052 A CN 200910014052A CN 101481504 A CN101481504 A CN 101481504A
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- calcium carbonate
- active nano
- nano calcium
- modified asphalt
- asphalt
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Abstract
The invention discloses a method for preparing an active nano calcium carbonate compound modified asphalt material, which comprises the following steps in turn: heating base asphalt to be 120 to 190 DEG C till the base asphalt can fully flow, adding definite amount of SBS and active nano calcium carbonate into the base asphalt, stirring the mixture for 30 minutes at low speed, adding definite amount of stabilizing agent, emulsifying and shearing the mixture for 30 minutes. Based on the prior SBS modified asphalt, the method adds the definite amount of the active nano calcium carbonate as compound modifier. Because the surface of the active nano calcium carbonate is subjected to organic active treatment and has better oleophilic property, the active nano calcium carbonate has better compatibility and dispersion property in the asphalt. The high-temperature property and the dynamic stability of the asphalt can be remarkably improved by adding the definite amount of the active nano calcium carbonate into the modified asphalt; and simultaneously because the active nano calcium carbonate is already subjected to large-scale industrialized production, the cost is relatively low, and the active nano calcium carbonate after adding can lower the production cost of the modified asphalt remarkably.
Description
Technical field
The present invention relates to a kind of preparation method who is used for the modified asphalt material of Road construction.
Background technology
The interpolation polymkeric substance is used for improving asphalt performance in pitch has had the history of decades.The method of a kind of SBS of preparation (being the styrene butadiene triblock copolymer) modifying asphalt is disclosed such as U.S. Pat 4145322.Chinese patent CN1287133A has announced the method for a kind of employing SBR (styrene-butadiene rubber(SBR)) and SBS composite modified asphalt.These method of modifying have improved asphalt performance greatly, especially SBS, become the main products of present asphalt modifier with its splendid over-all properties, but because elastomerics price comparison costlinesses such as SBR or SBS, especially in recent years along with oil price is constantly soaring, cause the modifying asphalt cost significantly to raise.Therefore developing low-cost, high performance modifying asphalt become pressing for of market.
Summary of the invention
The objective of the invention is deficiency, and a kind of raising bituminous high-temperature behavior and dynamicstability are provided, can significantly reduce modified asphalt material of modifying asphalt production cost and preparation method thereof at prior art.
Goal of the invention of the present invention is achieved by the following technical solution: in turn include the following steps: matrix pitch is heated to 120～190 ℃, it can be trickled fully, the SBS and the addition that add matrix pitch quality 3～6% subsequently are 1～10% active nano-calcium carbonate, 200r/m stirring at low speed swelling 30 minutes, the stablizer and the emulsification shearing that add matrix pitch quality 0.15% then got final product in 30 minutes.
SBS of the present invention is the YH-791H of 4303 and Yueyang petrochemical industry of Yanshan Petrochemical, and addition is 3～6% of a matrix pitch.
Matrix pitch of the present invention is Korea S SK70# pitch and Tai Puke 70# pitch.
Active nano-calcium carbonate of the present invention provides for Shaanxi Hai Ze nano material company limited, and the trade mark is NFMA-01, and its size is 15～40nm, and specific surface area is 35m
2/ g.
Stablizer of the present invention is a sulphur, and addition is 0.1%.
The present invention has added a certain amount of active nano-calcium carbonate as composite modifier on the basis of existing SBS modifying asphalt.Because handle through organic active on its surface of active nano-calcium carbonate, has lipophilicity preferably, thereby in pitch, have good consistency, simultaneously because it has very little size and bigger specific surface area, thereby it has good dispersiveness in pitch.In modifying asphalt, add certain amount of nano lime carbonate and can significantly improve bituminous high-temperature behavior and dynamicstability, simultaneously because active nano-calcium carbonate large-scale industrial production already, and price is very cheap, can significantly reduce the modifying asphalt production cost after the adding.
Embodiment
Embodiment 1
The safe general gram 70# pitch of 400g is heated to it under 140 ℃ trickle fully, added 16g SBS (Yanshan Petrochemical 4303) and 20g active nano-calcium carbonate stirring at low speed immediately 30 minutes, then add 0.4g sulphur stablizer and be warming up to 190 ℃, high speed shear 30 minutes, both got composite modified asphalt, its character sees Table 1.
Comparative Examples 1
The safe general gram 70# pitch of 400g is heated to it under 140 ℃ trickle fully, added 16g SBS (Yanshan Petrochemical 4303) stirring at low speed immediately 30 minutes, and then added 0.1% sulphur stablizer and be warming up to 190 ℃, high speed shear 30 minutes, both got composite modified asphalt, its character sees Table 1.
Table 1
| Numbering | Embodiment 1 | Comparative Examples 1 |
| Asphalt stock (g) | 400 | 400 |
| SBS(g) | 16 | 16 |
| Active nano-calcium carbonate (g) | 20 | 0 |
| Stablizer (g) | 0.4 | 0.4 |
| Penetration degree, mm (25 ℃) | 46 | 51 |
| Penetrative index | 1.745 | 1.202 |
| Softening temperature (℃) | 78 | 72 |
| Ductility, cm (5 ℃) | 22 | 23 |
| Kinematic viscosity, Pas (135 ℃) | 1.68 | 1.42 |
We are as can be seen from table 1, SBS modification is completely compared, except little to the influence of modifying asphalt low-temperature ductility, the adding of active nano-calcium carbonate makes the penetrative index of modifying asphalt and hot mastication point that apparent in view raising be arranged, and illustrates that its high-temperature behavior for modifying asphalt has bigger raising.
Embodiment 2
400g Korea S SK70# pitch is heated to it under 140 ℃ trickle fully, added 16g SBS (Yanshan Petrochemical 4303) and 12g active nano-calcium carbonate stirring at low speed immediately 30 minutes, then add 0.4g sulphur stablizer and be warming up to 190 ℃, high speed shear 30 minutes had both got composite modified asphalt.Its character sees Table 2.
Table 2
| Numbering | Embodiment 2 | Comparative Examples 2 |
| Asphalt stock (g) | 400 | 400 |
| SBS(g) | 16 | 16 |
| Active nano-calcium carbonate (g) | 12 | 0 |
| Stablizer (g) | 0.4 | 0.4 |
| Penetration degree, mm (25 ℃) | 45 | 49 |
| Penetrative index | 1.761 | 1.292 |
| Softening temperature (℃) | 66 | 62 |
| Ductility, cm (5 ℃) | 24 | 26 |
| Kinematic viscosity, Pas (135 ℃) | 1.71 | 1.53 |
Embodiment 3
400g Korea S SK70# pitch is heated to it under 140 ℃ trickle fully, added 16g SBS (Yanshan Petrochemical 4303) and 20g active nano-calcium carbonate stirring at low speed immediately 30 minutes, then add 0.4g sulphur stablizer and be warming up to 190 ℃, high speed shear 30 minutes had both got composite modified asphalt.Its character sees Table 3.
Table 3
| Numbering | Embodiment 3 | Comparative Examples 3 |
| Asphalt stock (g) | 400 | 400 |
| SBS(g) | 16 | 16 |
| Active nano-calcium carbonate (g) | 20 | 0 |
| Stablizer (g) | 0.4 | 0.4 |
| Penetration degree, mm (25 ℃) | 43 | 49 |
| Penetrative index | 1.781 | 1.292 |
| Softening temperature (℃) | 69 | 62 |
| Ductility, cm (5 ℃) | 22 | 26 |
| Kinematic viscosity, Pas (135 ℃) | 1.80 | 1.53 |
Claims (5)
1, a kind of preparation method of active nano calcium carbonate composite modified asphalt material, in turn include the following steps: matrix pitch is heated to 120～190 ℃, it can be trickled fully, the SBS and the addition that add matrix pitch quality 3～6% subsequently are 1～10% active nano-calcium carbonate, 200r/m stirring at low speed swelling 30 minutes, the stablizer and the emulsification shearing that add matrix pitch quality 0.15% then got final product in 30 minutes.
2, the preparation method of active nano calcium carbonate composite modified asphalt material according to claim 1 is characterized in that: described SBS is the YH-791H of 4303 and Yueyang petrochemical industry of Yanshan Petrochemical, and addition is 3～6% of a matrix pitch.
3, the preparation method of active nano calcium carbonate composite modified asphalt material according to claim 1 is characterized in that: described matrix pitch is Korea S SK70# pitch and Tai Puke 70# pitch.
4, the preparation method of active nano calcium carbonate composite modified asphalt material according to claim 1, it is characterized in that: described active nano-calcium carbonate provides for Shaanxi Hai Ze nano material company limited, the trade mark is NFMA-01, and its size is 15～40nm, and specific surface area is 35m
2/ g.
5, the preparation method of active nano calcium carbonate composite modified asphalt material according to claim 1 is characterized in that described stablizer is a sulphur, and addition is 0.1%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNA2009100140523A CN101481504A (en) | 2009-01-21 | 2009-01-21 | Preparation of active nano calcium carbonate composite modified asphalt material |
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| CNA2009100140523A CN101481504A (en) | 2009-01-21 | 2009-01-21 | Preparation of active nano calcium carbonate composite modified asphalt material |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102010610A (en) * | 2011-01-06 | 2011-04-13 | 青岛安邦路法沥青有限公司 | SBS (styrene butadiene styrene) modified asphalt and preparation method thereof |
| CN102070910A (en) * | 2010-12-22 | 2011-05-25 | 中国日用化学工业研究院 | Method for nanometer modified coal pitch for roads |
| CN102382329A (en) * | 2010-09-02 | 2012-03-21 | 中国石油化工股份有限公司 | Sulfur-containing stabilizer and polymer modified asphalt and preparation method thereof |
| CN103408954A (en) * | 2013-08-13 | 2013-11-27 | 甘肃路桥建设集团养护科技有限责任公司 | SBS modified asphalt stabilizing agent |
| CN104046043A (en) * | 2014-04-22 | 2014-09-17 | 山东交通学院 | Composite modified asphalt for coastal granite distribution areas and preparation method thereof |
| CN104403332A (en) * | 2014-10-29 | 2015-03-11 | 佛山市高明区生产力促进中心 | SBS (Styrene-Butadiene-Styrene)-modified asphalt and preparation method thereof |
| CN105131624A (en) * | 2015-10-19 | 2015-12-09 | 丁玉琴 | Anti-aging road asphalt preparing method |
| CN106519548A (en) * | 2016-11-22 | 2017-03-22 | 苏州宇希新材料科技有限公司 | Application of active calcium carbonate in SBS asphalt stabilizer |
| CN106589987A (en) * | 2016-11-22 | 2017-04-26 | 苏州宇希新材料科技有限公司 | Preparation method of SBS asphalt stabilizer |
| CN108250766A (en) * | 2016-12-28 | 2018-07-06 | 岑祚师 | A kind of modified asphalt composite and preparation method thereof |
| CN108250767A (en) * | 2016-12-28 | 2018-07-06 | 岑祚师 | It is a kind of for modified asphalt material of road and preparation method thereof |
| CN108250769A (en) * | 2016-12-29 | 2018-07-06 | 岑祚师 | A kind of dopen Nano Fe3O4Modified asphalt composite |
| CN108250768A (en) * | 2016-12-29 | 2018-07-06 | 岑祚师 | A kind of modified asphalt composite for adulterating organo montmorillonite |
| CN108250770A (en) * | 2016-12-29 | 2018-07-06 | 岑祚师 | A kind of modified asphalt composite of dopen Nano calcium carbonate and preparation method thereof |
| CN116063811A (en) * | 2021-10-29 | 2023-05-05 | 中国石油化工股份有限公司 | Modified asphalt stabilizer for improving storage stability |
-
2009
- 2009-01-21 CN CNA2009100140523A patent/CN101481504A/en active Pending
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102382329A (en) * | 2010-09-02 | 2012-03-21 | 中国石油化工股份有限公司 | Sulfur-containing stabilizer and polymer modified asphalt and preparation method thereof |
| CN102382329B (en) * | 2010-09-02 | 2013-05-08 | 中国石油化工股份有限公司 | Sulfur-containing stabilizer and polymer modified asphalt and preparation method thereof |
| CN102070910A (en) * | 2010-12-22 | 2011-05-25 | 中国日用化学工业研究院 | Method for nanometer modified coal pitch for roads |
| CN102070910B (en) * | 2010-12-22 | 2012-08-15 | 中国日用化学工业研究院 | Method for nanometer modified coal pitch for roads |
| CN102010610B (en) * | 2011-01-06 | 2012-09-05 | 青岛安邦路法沥青有限公司 | SBS (styrene butadiene styrene) modified asphalt and preparation method thereof |
| CN102010610A (en) * | 2011-01-06 | 2011-04-13 | 青岛安邦路法沥青有限公司 | SBS (styrene butadiene styrene) modified asphalt and preparation method thereof |
| CN103408954B (en) * | 2013-08-13 | 2015-12-23 | 甘肃路桥建设集团养护科技有限责任公司 | A kind of SBS modified asphalt stabilizer |
| CN103408954A (en) * | 2013-08-13 | 2013-11-27 | 甘肃路桥建设集团养护科技有限责任公司 | SBS modified asphalt stabilizing agent |
| CN104046043A (en) * | 2014-04-22 | 2014-09-17 | 山东交通学院 | Composite modified asphalt for coastal granite distribution areas and preparation method thereof |
| CN104403332A (en) * | 2014-10-29 | 2015-03-11 | 佛山市高明区生产力促进中心 | SBS (Styrene-Butadiene-Styrene)-modified asphalt and preparation method thereof |
| CN105131624A (en) * | 2015-10-19 | 2015-12-09 | 丁玉琴 | Anti-aging road asphalt preparing method |
| CN106519548A (en) * | 2016-11-22 | 2017-03-22 | 苏州宇希新材料科技有限公司 | Application of active calcium carbonate in SBS asphalt stabilizer |
| CN106589987A (en) * | 2016-11-22 | 2017-04-26 | 苏州宇希新材料科技有限公司 | Preparation method of SBS asphalt stabilizer |
| CN108250766A (en) * | 2016-12-28 | 2018-07-06 | 岑祚师 | A kind of modified asphalt composite and preparation method thereof |
| CN108250767A (en) * | 2016-12-28 | 2018-07-06 | 岑祚师 | It is a kind of for modified asphalt material of road and preparation method thereof |
| CN108250769A (en) * | 2016-12-29 | 2018-07-06 | 岑祚师 | A kind of dopen Nano Fe3O4Modified asphalt composite |
| CN108250768A (en) * | 2016-12-29 | 2018-07-06 | 岑祚师 | A kind of modified asphalt composite for adulterating organo montmorillonite |
| CN108250770A (en) * | 2016-12-29 | 2018-07-06 | 岑祚师 | A kind of modified asphalt composite of dopen Nano calcium carbonate and preparation method thereof |
| CN116063811A (en) * | 2021-10-29 | 2023-05-05 | 中国石油化工股份有限公司 | Modified asphalt stabilizer for improving storage stability |
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Open date: 20090715 |