CN1990593A - High viscosity asphalt composition for water draining pavement and preparation method thereof - Google Patents
High viscosity asphalt composition for water draining pavement and preparation method thereof Download PDFInfo
- Publication number
- CN1990593A CN1990593A CN 200510112343 CN200510112343A CN1990593A CN 1990593 A CN1990593 A CN 1990593A CN 200510112343 CN200510112343 CN 200510112343 CN 200510112343 A CN200510112343 A CN 200510112343A CN 1990593 A CN1990593 A CN 1990593A
- Authority
- CN
- China
- Prior art keywords
- high viscosity
- asphalt composition
- water draining
- viscosity asphalt
- draining pavement
- 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
Abstract
The invention relates to a high viscosity asphalt composition for water discharge type pavements, as well as the process for preparation, wherein the asphalt composition comprises (by weight portions) asphalt 100, SBS 3-12, and petroleum resin 5-40, sulfur 0.05-1. According to the invention, high viscosity, good dispersity and stability can be achieved, the PG classification can reach 82-28. The obtained high-performance modified asphalt can be used for both the general water seeping pavements, and specific sites such as bridge pavement and stress absorption layer.
Description
Technical field
The present invention relates to a kind of high viscosity asphalt composition for water draining pavement and preparation method thereof technical field.
Background technology
Asphaltum with high viscosity is meant the pitch of 60 ℃ of viscosity greater than 20,000 Pa.s, is suitable for spreading out and putting on of traffic road surface and drainage pavement.Asphaltum with high viscosity mainly makes by add polymer modification in petroleum pitch at present.Add polymkeric substance petroleum pitch is carried out modification, can obviously improve bituminous high and low temperature performance, the anti-rut of high temperature, the low temperature cracking resistance ability of bituminous pavement is provided.But,, make the polymer modified asphalt difficulties in dispersion owing to have differences such as molecular weight, viscosity between polymkeric substance and the pitch; Simultaneously, because most polymers and pitch can be compatible fully, and exist density difference, at high temperature storage stability is bad to cause the modifying asphalt system, and layering easily influences asphalt quality and normal construction.
For solving the problem of asphaltum with high viscosity difficulties in dispersion, Chinese patent cn1089349c has reported and has adopted elder generation with polymkeric substance and pitch and other Synergist S-421 95 blend, is prepared into easily dispersive masterbatch in pitch, this masterbatch is dispersed in the pitch preparation modifying asphalt again.
Be to solve the high temperature storing stabilization problem of modifying asphalt, United States Patent (USP) us3,634,293 when having proposed use polymer modified asphalt, adding superoxide, the method for linking agents such as sulphur; International monopoly wo45,488 have proposed SB two blocks and SBS triblock copolymer and usefulness are added the method for a spot of linking agent; Chinese patent cn1386790A discloses by earlier with polymkeric substance and the carbon black blend method of modifying asphalt again.
But all good water-permeable pavement of dispersed and stability yet there are no report with modifying asphalt.
Summary of the invention
The purpose of this invention is to provide a kind of new high-viscosity modified asphalt, this pitch not only disperses easily, and also has high temperature storing stabilization preferably.
For achieving the above object, the technical scheme that the present invention takes is:
A kind of high viscosity asphalt composition for water draining pavement, it contains following component: pitch 100, SBS 3～12, petroleum resin 5～40, sulphur 0.05～1 (more than be parts by weight).
Described SBS is meant the styrene butadiene triblock copolymer, and the SBS molecular-weight average is 30,000 to 450,000, and its content is preferably 6～9.
Described petroleum resin are preferably softening temperature at 70～150 ℃ petroleum resin, and its content range is preferably 5～30 parts, most preferably is 10～20 parts.
Described sulphur content is 0.1～0.5 weight part preferably, and most preferred scope is 0.12～0.2 weight part.
The preparation method of high viscosity asphalt composition for water draining pavement of the present invention is: earlier pitch is heated to flowable state, adds styrene butadiene triblock copolymer and petroleum resin then successively, the powerful stirring adds SULPHUR POWDER continuation stirring again and gets final product.
Beneficial effect of the present invention: the present invention mixes styrene butadiene triblock copolymer and petroleum resin in pitch, not only viscosity is very high, and it is dispersed and stability is also fine, the PG classification reaches 82-28, belong to high performance modifying asphalt, can be used for general water seeping pavement, also can be used for special occasions such as deck paving and stress absorbing layer.
Embodiment
Get penetration degree and be 100 kilograms of 300 basic asphalts, be heated to 180 ℃, add 10 kilograms of 8 kilograms of styrene butadiene triblock copolymers (SBS) and petroleum resin successively, the employing machine,massing stirred 6 hours with 200 rev/mins stirring velocity, add 0.18 kilogram of SULPHUR POWDER, continue to stir 1 hour, prepare modifying asphalt, the results are shown in Table one.
Table one
| The index of modifying asphalt | |
| 25 ℃ of penetration degrees, dmm | 69 |
| 5 ℃ of ductilities, 5cm/min (cm) | 26 |
| Softening temperature T R&B(℃) | 91 |
| 135 ℃ of kinematic viscosity (Pa.s) | 3.0 |
| 25 ℃ of recovery of elasticity (%) | 92 |
| Ductility is 5 ℃ behind the RTFOT, 5cm/min (cm) | 19 |
| 60 ℃ of viscosity (10000Pa.s) | 4.1 |
| The PG classification | 82-28 |
As can be seen from the table, prepare high performance modifying asphalt, 60 degree viscosity are greater than 20,000 Pa.s, and the PG classification reaches 82～28, and high performance modifying asphalt can be used for OGFC, also can be used for special occasions such as deck paving, stress absorbing layer in addition.
Claims (7)
1, a kind of high viscosity asphalt composition for water draining pavement, the weight fraction of its each component is as follows: pitch 100, molecular-weight average are at 30,000 to 450,000 SBS 3～12, softening temperature petroleum resin 5～40, the sulphur 0.05～1 at 70～150 ℃.
2, high viscosity asphalt composition for water draining pavement as claimed in claim 1 is characterized in that: the weight fraction of SBS is 6～9.
3, high viscosity asphalt composition for water draining pavement as claimed in claim 1 is characterized in that: the weight fraction of petroleum resin is 5～30.
4, high viscosity asphalt composition for water draining pavement as claimed in claim 3 is characterized in that: the weight fraction of petroleum resin is 10～20.
5, high viscosity asphalt composition for water draining pavement as claimed in claim 1 is characterized in that: the weight fraction of sulphur is 0.1～0.5.
6, high viscosity asphalt composition for water draining pavement as claimed in claim 5 is characterized in that: the weight fraction of sulphur is 0.12～0.2.
7, the preparation method of the described high viscosity asphalt composition for water draining pavement of claim 1～6, this method is: earlier pitch is heated to flowable state, add styrene butadiene triblock copolymer and petroleum resin then successively, the powerful stirring adds SULPHUR POWDER again and continues to stir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510112343 CN1990593A (en) | 2005-12-29 | 2005-12-29 | High viscosity asphalt composition for water draining pavement and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510112343 CN1990593A (en) | 2005-12-29 | 2005-12-29 | High viscosity asphalt composition for water draining pavement and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1990593A true CN1990593A (en) | 2007-07-04 |
Family
ID=38213144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510112343 Pending CN1990593A (en) | 2005-12-29 | 2005-12-29 | High viscosity asphalt composition for water draining pavement and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1990593A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712442A (en) * | 2013-12-20 | 2014-04-09 | 邵宏 | Energy-saving vacuum double cavity holding furnace |
| CN111607242A (en) * | 2020-06-01 | 2020-09-01 | 广州大象超薄路面技术开发有限公司 | Anti-aging modified asphalt composition and preparation method and application thereof |
-
2005
- 2005-12-29 CN CN 200510112343 patent/CN1990593A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712442A (en) * | 2013-12-20 | 2014-04-09 | 邵宏 | Energy-saving vacuum double cavity holding furnace |
| CN103712442B (en) * | 2013-12-20 | 2015-06-10 | 邵宏 | Energy-saving vacuum double cavity holding furnace |
| CN111607242A (en) * | 2020-06-01 | 2020-09-01 | 广州大象超薄路面技术开发有限公司 | Anti-aging modified asphalt composition and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1312216C (en) | High-viscosity asphalt modifier and its preparation method | |
| CN102858881B (en) | Bituminous composition | |
| JPH0525396A (en) | Asphalt composition for pavement | |
| CN108410185A (en) | A kind of high-viscosity asphalt and preparation method thereof | |
| CN112608610A (en) | Special additive for low-temperature-resistant high-modulus asphalt mixture and preparation method thereof | |
| CN111363371A (en) | Environment-friendly low-grade composite modified high-modulus asphalt and preparation method thereof | |
| CN1990557A (en) | High viscosity modified asphalt | |
| CN1990553A (en) | High viscosity composite modified asphalt for OGFC | |
| CN113563727A (en) | Modified rubber asphalt and preparation method thereof | |
| CN113698138B (en) | high-RAP-content regeneration mixture and preparation method and application thereof | |
| CN111234547A (en) | Environment-friendly low-grade hard asphalt modification method | |
| US5399598A (en) | Asphalt composition | |
| CN1990593A (en) | High viscosity asphalt composition for water draining pavement and preparation method thereof | |
| CN1990591A (en) | High viscosity asphalt composition for water draining pavement | |
| CN100523090C (en) | High viscosity composite modified asphalt for OGFC and preparation method thereof | |
| CN1990569A (en) | Dispersible high viscosity modified asphalt for water permeable pavement and preparation method thereof | |
| CN1990555A (en) | High viscosity asphalt composition | |
| CN1990574A (en) | High stability high viscosity modified asphalt and preparation method thereof | |
| CN1990584A (en) | High viscosity modified asphalt for water permeable pavement and preparation method thereof | |
| CN1990561A (en) | High viscosity modified asphalt composition for water seeping pavement | |
| CN1990559A (en) | High viscosity modified asphalt for water permeable pavement | |
| CN1990562A (en) | High viscosity modified asphalt for water seeping pavement | |
| CN1990564A (en) | High viscosity modified asphalt for water draining pavement | |
| CN1990554A (en) | Dispersible high viscosity modified asphalt for water permeable pavement | |
| CN1990567A (en) | High dispersibility high viscosity modified asphalt |
Legal Events
| 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 |