CN104277463A - Nanoparticle SBR (styrene butadiene rubber) composite modified asphalt and preparation method thereof - Google Patents
Nanoparticle SBR (styrene butadiene rubber) composite modified asphalt and preparation method thereof Download PDFInfo
- Publication number
- CN104277463A CN104277463A CN201410452130.9A CN201410452130A CN104277463A CN 104277463 A CN104277463 A CN 104277463A CN 201410452130 A CN201410452130 A CN 201410452130A CN 104277463 A CN104277463 A CN 104277463A
- Authority
- CN
- China
- Prior art keywords
- sbr
- modified asphalt
- nanoparticle
- composite modified
- matrix pitch
- 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
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Working-Up Tar And Pitch (AREA)
Abstract
The invention discloses a nanoparticle SBR (styrene butadiene rubber) composite modified asphalt which is composed of nano SiO2 particles, styrene-butadiene rubber and matrix asphalt. The invention also discloses a preparation method of the nanoparticle SBR composite modified asphalt. Compared with the matrix asphalt, the composite modified asphalt has obviously higher high-temperature properties and low-temperature properties.
Description
Technical field
The invention belongs to Transportation and Civil Engineering field, relate to a kind of nanoparticle SBR composite modified asphalt and preparation method thereof.
Background technology
Now, Nano-meter SiO_2
2particle, because of large, the active high feature of its specific surface area, is widely used in matrix pitch modification technology, and it has effect significantly for lifting matrix pitch high-temperature behavior.But, Nano-meter SiO_2
2particle cannot be improved matrix pitch low-temperature performance, weakens even to some extent, and this constrains the popularization of nano material in road engineering undoubtedly, also have impact on the functional quality of nano-compound modified pitch.At present, there are no adopting SiO simultaneously
2the report of the nanometer SBR composite modified asphalt of particle, styrene-butadiene rubber(SBR) (SBR) and preparation method thereof.
Summary of the invention
Goal of the invention: for above-mentioned prior art Problems existing, the object of this invention is to provide a kind of nanoparticle SBR composite modified asphalt and preparation method thereof, by the composite modified asphalt that the present invention configures, compared with matrix pitch, high-temperature behavior and low-temperature performance are all significantly improved.
Technical scheme: for achieving the above object, the present invention is achieved through the following technical solutions: a kind of nanoparticle SBR composite modified asphalt, and described nanoparticle SBR composite modified asphalt is by Nano-meter SiO_2
2particle, styrene-butadiene rubber(SBR) and matrix pitch form.
Wherein, above-mentioned Nano-meter SiO_2
2particle, SBR are 0.005 ~ 0.01:1,0.04 ~ 0.06:1 with the mass ratio of matrix pitch respectively.
Wherein, the preparation method of above-mentioned nanoparticle SBR composite modified asphalt, follows these steps to obtain:
1) by Nano-meter SiO_2
2uniform particle joins in the matrix pitch of melting lentamente, and holding temperature is 120 ~ 150 DEG C, is to continue shear agitation more than 10 minutes under the speed of more than 1000rpm at rotating speed, makes Nano-meter SiO_2
2particle is tentatively dispersed in matrix pitch;
2) styrene-butadiene rubber(SBR) is evenly joined lentamente through step 1) process after matrix pitch in; Heat above-mentioned matrix pitch and holding temperature is 160 ~ 190 DEG C, be continue shear agitation more than 40 minutes under the speed of more than 3000rpm at rotating speed, make Nano-meter SiO_2
2particle and styrene-butadiene rubber(SBR) dispersing and mixing in matrix pitch is even, thus obtained nanoparticle SBR composite modified asphalt.
Wherein, above-mentioned steps 1) in rotating speed be under 1000 ~ 5000rpm continue shear agitation stir 10-30 minute.
Wherein, above-mentioned steps 2) in rotating speed be that 3000rpm ~ 8000rpm continues shear agitation 40-60 minute.Matrix pitch of the present invention is road matrix pitch, meets the pitch that " standard specification for construction and acceptance of highway asphalt pavement (JTGF40-2004) " technological standard requires.
Beneficial effect: compared with prior art, advantage of the present invention is as follows: the composite modified asphalt adopting the present invention's preparation, compared with matrix pitch, high-temperature behavior and low-temperature performance are all significantly improved.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1
Nanoparticle SBR composite modified asphalt formula is: 0.5% Nano-meter SiO_2
2particle+5%SBR
Take 2.5 grams of Nano-meter SiO_2
2particle joins in the road matrix pitch of 500 grams of meltings, holding temperature 120 DEG C, 15 minutes are stirred at 1000rpm rotating speed down cut, then 25 grams of SBR are added, heating also holding temperature is 160 DEG C, stir 45 minutes at 3000rpm rotating speed down cut, namely obtain nanoparticle SBR composite modified asphalt, by the technical performance index of the composite modified asphalt of its preparation be:
| Test index | Composite modified asphalt | Matrix pitch |
| Penetration degree (100g, 5s, 25 DEG C)/0.1mm | 55.2 | 64.5 |
| Softening temperature/DEG C | 55.1 | 49.7 |
| Ductility (5cm/min, 5 DEG C)/cm | 31.2 | 0 |
Embodiment 2
Nanoparticle SBR composite modified asphalt formula is 1% Nano-meter SiO_2
2particle+4%SBR
Take 5 grams of Nano-meter SiO_2
2particle, join in the road matrix pitch of 500 grams of meltings, holding temperature 150 DEG C, 10 minutes are stirred at 5000rpm rotating speed down cut, then add 20 grams of SBR, heating also holding temperature is 190 DEG C, stirs 40 minutes at 8000rpm rotating speed down cut, namely obtain nanoparticle SBR composite modified asphalt, by the technical performance index of the composite modified asphalt of its preparation be:
| Test index | Composite modified asphalt | Matrix pitch |
| Penetration degree (100g, 5s, 25 DEG C)/0.1mm | 51.9 | 64.5 |
| Softening temperature/DEG C | 59.0 | 49.7 |
| Ductility (5cm/min, 5 DEG C)/cm | 24.2 | 0 |
Embodiment 3
Nanoparticle SBR composite modified asphalt formula is 0.7% Nano-meter SiO_2
2particle+6%SBR
Take 3.5 grams of Nano-meter SiO_2
2particle, join in the road matrix pitch of 500 grams of meltings, holding temperature 135 DEG C, 30 minutes are stirred at 3000rpm rotating speed down cut, then add 30 grams of SBR, heating also holding temperature is 175 DEG C, stirs 60 minutes at 5000rpm rotating speed down cut, namely obtain nanoparticle SBR composite modified asphalt, its performance test results is as follows:
| Test index | Composite modified asphalt | Matrix pitch |
| Penetration degree (100g, 5s, 25 DEG C)/0.1mm | 53.2 | 64.5 |
| Softening temperature/DEG C | 57.3 | 49.7 |
| Ductility (5cm/min, 5 DEG C)/cm | 37.2 | 0 |
Claims (5)
1. a nanoparticle SBR composite modified asphalt, is characterized in that, described nanoparticle SBR composite modified asphalt is by Nano-meter SiO_2
2particle, styrene-butadiene rubber(SBR) and matrix pitch form.
2. nanoparticle SBR composite modified asphalt according to claim 1, is characterized in that: described Nano-meter SiO_2
2particle, SBR are 0.005 ~ 0.01:1,0.04 ~ 0.06:1 with the mass ratio of matrix pitch respectively.
3. the preparation method of nanoparticle SBR composite modified asphalt according to claim 1, is characterized in that: follow these steps to obtain:
1) by Nano-meter SiO_2
2uniform particle joins in the matrix pitch of melting lentamente, and holding temperature is 120 ~ 150 DEG C, is to continue shear agitation more than 10 minutes under the speed of more than 1000rpm at rotating speed, makes Nano-meter SiO_2
2particle is tentatively dispersed in matrix pitch;
2) styrene-butadiene rubber(SBR) is evenly joined lentamente through step 1) process after matrix pitch in; Heat above-mentioned matrix pitch and holding temperature is 160 ~ 190 DEG C, be continue shear agitation more than 40 minutes under the speed of more than 3000rpm at rotating speed, make Nano-meter SiO_2
2particle and styrene-butadiene rubber(SBR) dispersing and mixing in matrix pitch is even, thus obtained nanoparticle SBR composite modified asphalt.
4. the preparation method of nanoparticle SBR composite modified asphalt according to claim 3, is characterized in that, described step 1) in rotating speed be under 1000 ~ 5000rpm continue shear agitation stir 10-30 minute.
5. the preparation method of nanoparticle SBR composite modified asphalt according to claim 3, is characterized in that, described step 2) in rotating speed be that 3000rpm ~ 8000rpm continues shear agitation 40-60 minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410452130.9A CN104277463A (en) | 2014-09-05 | 2014-09-05 | Nanoparticle SBR (styrene butadiene rubber) composite modified asphalt and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410452130.9A CN104277463A (en) | 2014-09-05 | 2014-09-05 | Nanoparticle SBR (styrene butadiene rubber) composite modified asphalt and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104277463A true CN104277463A (en) | 2015-01-14 |
Family
ID=52252836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410452130.9A Pending CN104277463A (en) | 2014-09-05 | 2014-09-05 | Nanoparticle SBR (styrene butadiene rubber) composite modified asphalt and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104277463A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105419355A (en) * | 2015-11-11 | 2016-03-23 | 长安大学 | Superfine waste rubber powder-nanometer material compound modified asphalt and preparation method thereof |
| CN111234540A (en) * | 2020-01-19 | 2020-06-05 | 长安大学 | Low-temperature-resistant nano modified asphalt and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120113923A (en) * | 2011-04-06 | 2012-10-16 | 강용석 | Aspalt sealant for cant strip or haunch and water-proofing construction method for cold applications using the same |
| CN102911507A (en) * | 2012-11-12 | 2013-02-06 | 江柳 | Composite asphalt modifier as well as preparation method and application method of composite asphalt modifier |
-
2014
- 2014-09-05 CN CN201410452130.9A patent/CN104277463A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120113923A (en) * | 2011-04-06 | 2012-10-16 | 강용석 | Aspalt sealant for cant strip or haunch and water-proofing construction method for cold applications using the same |
| CN102911507A (en) * | 2012-11-12 | 2013-02-06 | 江柳 | Composite asphalt modifier as well as preparation method and application method of composite asphalt modifier |
Non-Patent Citations (5)
| Title |
|---|
| 刘岩: "《车辆噪声与振动控制（第1版）》", 30 April 2014, 中国铁道出版社 * |
| 孙璐等: "纳米材料改性沥青路用结合料的性能", 《硅酸盐学报》 * |
| 李喆等: "基于低温性能的复合改性沥青及沥青混合料性能研究", 《交通标准化》 * |
| 王鹏辉等: "东北地区用SBR替代SBS改性沥青实验研究", 《新型建筑材料》 * |
| 申爱琴等: "SBS、PE、SBR改性国产兰炼沥青性能研究", 《石油沥青》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105419355A (en) * | 2015-11-11 | 2016-03-23 | 长安大学 | Superfine waste rubber powder-nanometer material compound modified asphalt and preparation method thereof |
| CN111234540A (en) * | 2020-01-19 | 2020-06-05 | 长安大学 | Low-temperature-resistant nano modified asphalt and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103305014B (en) | A kind of SBS modifying asphalt and preparation method thereof | |
| CN103773006B (en) | A kind of High Modulus Bituminous Mixtures Additive and preparation method thereof | |
| CN103834185A (en) | Polyurethane/nano-composite modified asphalt and preparation method thereof | |
| CN104277464A (en) | Nano-polymer compound modified asphalt and preparation method thereof | |
| CN105153511A (en) | Modified asphalt mixture modifier and preparation method therefor | |
| CN105860133A (en) | Carbon tube masterbatch and application thereof to tire treads | |
| CN103664061A (en) | Flexible bituminous mixture, preparation method and application thereof | |
| CN101838468A (en) | Nanometer silicon powder compound modified bitumen composition and method for preparing same | |
| CN109517395A (en) | A kind of flame-retardant high-strength asphalt additive and preparation method thereof | |
| CN104277463A (en) | Nanoparticle SBR (styrene butadiene rubber) composite modified asphalt and preparation method thereof | |
| CN104326706A (en) | Steel slag asphalt mixed material and preparation method thereof | |
| CN105130280A (en) | Rubber asphalt mixture | |
| CN104962091A (en) | Polymer modified asphalt and preparation method thereof | |
| CN105036615A (en) | Preparation method of rubber asphalt mixture | |
| CN104817850A (en) | Compound buton rock modified asphalt of nano material for heavy-loaded traffic road and preparation technology of compound buton rock modified asphalt | |
| CN104387594A (en) | Preparation method of high-solid-content emulsified SBS (styrene-butadiene-styrene) modified asphalt and application of modified asphalt in micro-surfacing | |
| CN103755225B (en) | A kind of modified asphalt mixture and preparation method | |
| CN104804446A (en) | Nano material compound waste crumb rubber modified asphalt for heavy traffic road and preparation process thereof | |
| WO2024021713A1 (en) | Electromagnetic induction enhanced nano-modified asphalt mixture having high self-healing performance, preparation method therefor, and use thereof | |
| CN106084820A (en) | A kind of high performance modified bitumen | |
| CN109776917A (en) | A kind of Industrial Solid Waste powder is the enhanced high-strength asphalt anti-rut agent of multilayer of center core | |
| CN110684206B (en) | Preparation method of asphalt modified emulsified asphalt without sticking wheel rock | |
| CN103756340B (en) | A kind of asphalt modifier and preparation method thereof | |
| CN110317463B (en) | Multi-particle-size red mud modified asphalt, preparation method and asphalt mixture using modified asphalt | |
| CN104560088B (en) | A kind of bi tumenf orr oad and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150114 |