CN101275019A - Rubber asphalt - Google Patents
Rubber asphalt Download PDFInfo
- Publication number
- CN101275019A CN101275019A CNA2007100390089A CN200710039008A CN101275019A CN 101275019 A CN101275019 A CN 101275019A CN A2007100390089 A CNA2007100390089 A CN A2007100390089A CN 200710039008 A CN200710039008 A CN 200710039008A CN 101275019 A CN101275019 A CN 101275019A
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- Prior art keywords
- pitch
- rubber
- weight parts
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- weight
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- 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.)
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Abstract
The invention discloses a novel rubber pitch, which consists of the following components according to weight portion: 100 portions of pitch, 25 to 35 portions of SBS rubber, 5 to 10 portions of bentonite, 10 to 16 portions of intensifier, and 1 to 3 portions of polyoctene rubber. The novel rubber pitch of the invention has the advantages of simple production technology, easy operation and low cost, and can effectively improve the property of pitch and be suitable for roadway paving.
Description
Technical field
The present invention relates to a kind of novel rubber asphalt.
Background technology
Bituminous pavement generally is made up of with gathering materials pitch.The use on oxidation, weather condition and the road surface of bituminous cement between its usage period is particularly used through heavy load, has caused the road surface to be degenerated along with the past of time.For example, the road surface is shunk repeatedly owing to temperature variation and has been caused the road surface to form vertical crackle during the night in winter of cold, is called as cold fracture.Bituminous cement becomes too soft during the summer of sweltering heat, caused road surface tension set under heavy loading repeatedly, is called " rut ".In addition, it is tired that the result of successive mechanical stress is that the road surface becomes, and caused forming the crackle as crocodile skin, is called as repeated stress failure.
The method of polymer-modified asphalt and production polymer-modified asphalt is known in the present technique field.Polymer, for example thermoplastic elastomer in conjunction with very extensive, is used to improve its intensity and performance in pitch.It also is known adding the stability that sulphur can improve it in polymer one bituminous composition.It is generally acknowledged, with sulfide and polysulfide key Chemical bond, can strengthen and quicken polymer one bituminous Cheng Jian and sulfidation like this between sulphur and polymer and the pitch.Promotor, for example sulphur can add Cheng Jian and the sulfuration that is used to strengthen in the polymer one pitch system between polymer and the pitch to.Multi-form sulphur promotor, for example elementary sulfur comprises alkyl polysulfide with the coupling agent that provides sulphur, dithiocar-bamate, thiophosphoric anhydride, thiuram, thiazole derivative, 4,4 ' one dithiomorpholine may be used to polymer pitch system.Sulphur can combine with polymer and pitch by variety of way, typically comprises behind polymer and the bituminous miscellany stirring certain hour, and sulphur is added in polymer and the bituminous miscellany with the form of simple substance or the form of coupling agent.Perhaps, also can carry out pre-treatment with sulphur to polymer earlier, then the polymer of sulphuring treatment be added in the pitch of fusing.
Summary of the invention
The objective of the invention is provides a kind of novel rubber asphalt in order to solve shortcoming of the prior art.
For realizing above purpose, the present invention is achieved through the following technical solutions:
A kind of novel rubber asphalt is characterized in that, is made of pitch 100 weight parts by weight following component; SBS rubber 25-35 weight part, wilkinite 5-10 weight part; Strengthening agent 10-16 weight part; Poly-octene rubber 1-3 weight part.
Novel rubber asphalt among the present invention, production technique is simple, easy handling, cost is low, can effectively improve the bituminous performance, is fit to the laying road road surface.
Embodiment
The present invention will be further described below in conjunction with specific embodiment:
Embodiment 1, and a kind of novel rubber asphalt is made of by weight following component, pitch 100 weight parts; SBS rubber 25 weight parts, wilkinite 5 weight parts; Strengthening agent 10 weight parts; Poly-octene rubber 1 weight part.
Pitch is added in the stirred pot, add SBS rubber down at 100-220 ℃, wilkinite, strengthening agent, poly-octene rubber fully mixes.
Embodiment 2, and a kind of novel rubber asphalt is made of by weight following component, pitch 100 weight parts; SBS rubber 35 weight parts, wilkinite 10 weight parts; Strengthening agent 10 weight parts; Poly-octene rubber 1 weight part.
Production method is identical with embodiment 1.
Embodiment 3, and a kind of novel rubber asphalt is made of by weight following component, pitch 100 weight parts; SBS rubber 30 weight parts, wilkinite 8 weight parts; Strengthening agent 13 weight parts; Poly-octene rubber 2 weight parts.
Production method is identical with embodiment 1.
Embodiment 4, and a kind of novel rubber asphalt is made of by weight following component, pitch 100 weight parts; SBS rubber 25 weight parts, wilkinite 10 weight parts; Strengthening agent 11 weight parts; Poly-octene rubber 3 weight parts.
Production method is identical with embodiment 1.
The foregoing description only is used for that the present invention will be described, does not constitute the restriction to the claim scope, and other alternative means that it may occur to persons skilled in the art that are all in claim scope of the present invention.
Claims (1)
1. a novel rubber asphalt is characterized in that, is made of pitch 100 weight parts by weight following component; SBS rubber 25-35 weight part, wilkinite 5-10 weight part; Strengthening agent 10-16 weight part; Poly-octene rubber 1-3 weight part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100390089A CN101275019A (en) | 2007-03-30 | 2007-03-30 | Rubber asphalt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100390089A CN101275019A (en) | 2007-03-30 | 2007-03-30 | Rubber asphalt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101275019A true CN101275019A (en) | 2008-10-01 |
Family
ID=39994895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100390089A Withdrawn CN101275019A (en) | 2007-03-30 | 2007-03-30 | Rubber asphalt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101275019A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967048A (en) * | 2010-05-20 | 2011-02-09 | 南京东交工程检测有限公司 | Rubber modified asphalt mixture and preparation and construction methods thereof |
| CN102174268A (en) * | 2011-03-15 | 2011-09-07 | 付庆福 | Rubber asphalt modifier and production method thereof |
| CN102876055A (en) * | 2011-07-12 | 2013-01-16 | 赵金叶 | Sealant for pavement cracks |
| CN105419356A (en) * | 2015-11-27 | 2016-03-23 | 宁波滨海石化有限公司 | Low-temperature-resistant modified asphalt and preparation method thereof |
| CN110698871A (en) * | 2019-11-26 | 2020-01-17 | 北京中交桥宇科技有限公司山东分公司 | Direct-throwing waste rubber powder SBS composite asphalt modifier and preparation method and application thereof |
-
2007
- 2007-03-30 CN CNA2007100390089A patent/CN101275019A/en not_active Withdrawn
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967048A (en) * | 2010-05-20 | 2011-02-09 | 南京东交工程检测有限公司 | Rubber modified asphalt mixture and preparation and construction methods thereof |
| CN101967048B (en) * | 2010-05-20 | 2013-02-13 | 江苏东交工程检测有限公司 | Rubber modified asphalt mixture and preparation and construction methods thereof |
| CN102174268A (en) * | 2011-03-15 | 2011-09-07 | 付庆福 | Rubber asphalt modifier and production method thereof |
| CN102174268B (en) * | 2011-03-15 | 2012-12-12 | 北京天成垦特莱科技有限公司 | Rubber asphalt modifier and production method thereof |
| CN102876055A (en) * | 2011-07-12 | 2013-01-16 | 赵金叶 | Sealant for pavement cracks |
| CN105419356A (en) * | 2015-11-27 | 2016-03-23 | 宁波滨海石化有限公司 | Low-temperature-resistant modified asphalt and preparation method thereof |
| CN105419356B (en) * | 2015-11-27 | 2018-06-26 | 宁波滨海石化有限公司 | A kind of low temperature resistant modified pitch and preparation method thereof |
| CN110698871A (en) * | 2019-11-26 | 2020-01-17 | 北京中交桥宇科技有限公司山东分公司 | Direct-throwing waste rubber powder SBS composite asphalt modifier and preparation method and application thereof |
| CN110698871B (en) * | 2019-11-26 | 2021-07-20 | 北京中交桥宇科技有限公司山东分公司 | Direct-throwing waste rubber powder SBS composite asphalt modifier and preparation method and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |