CN103725021A - Composite asphalt modifier - Google Patents
Composite asphalt modifier Download PDFInfo
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- CN103725021A CN103725021A CN201310664661.XA CN201310664661A CN103725021A CN 103725021 A CN103725021 A CN 103725021A CN 201310664661 A CN201310664661 A CN 201310664661A CN 103725021 A CN103725021 A CN 103725021A
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- major ingredient
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- pitch
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Abstract
The invention discloses a composite asphalt modifier. The composite asphalt modifier comprises main materials and assistants, the percentage of the main materials account foris 75-80 percent, and the percentage of the assistants is 20-25 percent. A preparation method of the composite asphalt modifier is as follows: according to the demand of a customer, the proportions of the compositions in the main materials and the assistants and the proportions of the main materials and the assistants are determined via tests, and then the mixed main materials and the assistants are independently packed so as to obtain the finished product. The composite asphalt modifier provided by the invention is low in production investment, simple in modification process and better in stability after modification, and has a very good popularization value.
Description
Technical field
The present invention relates to a kind of modified asphalt material, particularly a kind of composite type pitch modifier.
Background technology
Pitch has water-repellancy and preservative property, is widely used in paving material and covering material etc., still due to bituminous pavement, often there will be the situation of cracking, has directly affected the work-ing life of bituminous pavement.
Along with the fast development of highway in China traffic, ended for the year ends 2012, national total mileage of highway reaches 423.75 ten thousand kilometers.Wherein, national motorway mileage reaches 9.62 ten thousand kilometers, and 50.19 ten thousand kilometers of secondary and above highway mileages, the villages (towns) of logical bituminous road accounts for 96.9%, logical pitch) the organizational system village on road accounts for 67.1%.Take motorway and Class I highway as example, at < < bituminous pavement design for highway standard > > (JTD G50-2006), stipulate, design period is 15 years, but most of motorways and Class I highway 8-10 will carry out large repairs, and cause huge financial loss.In order to improve bituminous concrete pavement quality, extend the work-ing life of bituminous pavement, conventionally adopt modification technology, wherein most widely used is SBS(styrene-butadiene-styrene block copolymer) as asphalt modifier.Although the use of SBS asphalt modifier can improve high-temperature stability and low-temperature cracking-resistance and the water stability etc. of pitch significantly, but expensive, modified technique is complicated, facility investment is excessive and also easily emanate to matrix pitch is selective, therefore wide popularization and application is restricted.
Summary of the invention
The object of this invention is to provide a kind of production input cheap, modified technique is simple, and the good a kind of composite type pitch modifier of stability after modification, has very good promotional value.
For realizing object of the present invention, be achieved through the following technical solutions:
A composite type pitch modifier, this composite type pitch modifier comprises major ingredient and auxiliary material, and major ingredient accounts for 75%～80%, and auxiliary material accounts for 20%～25%.
As further illustrating, the above major ingredient is diatomite, wilkinite, dickite, one or more composite forming of clay ore.
As further illustrating, the above auxiliary material is petroleum pitch, coal tar pitch, rock asphalt, rubber powder, one or more composite forming of mica powder.
As further illustrating, water content≤1% of the above major ingredient.
As further illustrating, the globule size of the above major ingredient is 150～250 orders.
Diatomite in the present invention, wilkinite, dickite, clay ore, petroleum pitch, coal tar pitch, rock asphalt, rubber powder, mica powder all can bought on the market.
Compared with prior art, the invention has the beneficial effects as follows:
1. the raw material sources in the present invention are extensive, cheap, reduced production cost.
2. in the present invention, used diatomite, had good adsorptive power, both can adsorb in process of production obnoxious flavour, had the antiwear heat resisting that can improve modifying asphalt, environmental protection is feasible again.
3. product of the present invention can need to be adjusted proportioning and the kind of major ingredient and auxiliary material according to different clients, has good handiness, can produce the pitch that needs of different road quality classifications, has good feasibility and generalization.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to the scope that embodiment represents.
embodiment 1:
In major ingredient and auxiliary material, the proportioning of each raw material, major ingredient and auxiliary material compound proportion all can, according to client's needs, be determined by testing.
As further illustrating, in described major ingredient and auxiliary material, the proportioning of each raw material, major ingredient and auxiliary material compound proportion evenly mix major ingredient and auxiliary material after need determining by test according to client, and then packing can obtain this product.
Major ingredient is got diatomite 800g, clay ore 400g, and wilkinite 400g, amounts to 1600g; Auxiliary material is got coal tar pitch 200g, and rock asphalt 200g amounts to 400g, and major ingredient+auxiliary material amounts to 2000g, after fully mixing, just makes a kind of composite type pitch modifier 2000g.
Get No. 90 A levels and heavily hand over petroleum pitch 8.8kg, be heated to 160 ℃, add the above-mentioned mixed type asphalt modifier 1.2kg making, stir 30min, just make modifying asphalt 10kg, according to bitumen aggregate ratio 5.2%, make the composite type modified asphalt of AC-13C, every technical performance index is in Table 1 after measured.
The test result of the every technical performance index of the composite type modified asphalt of table 1 embodiment
Indices all will, higher than current specifications (JTGF40-2004) requirement, illustrate that modification is in good condition as can be seen from Table 1.
embodiment 2:
Major ingredient is got diatomite 700g, clay ore 400g, and wilkinite 400g, amounts to 1500g; Auxiliary material is got petroleum pitch 300g, rubber powder 100g, and mica powder 100g, amounts to 500g, and major ingredient+auxiliary material amounts to 2000g, after fully mixing, just makes a kind of composite type pitch modifier 2000g.
Get No. 90 A levels and heavily hand over petroleum pitch 8.8kg, be heated to 160 ℃, add the above-mentioned mixed type asphalt modifier 1.2kg making, stir 50min, just make modifying asphalt 10kg, according to bitumen aggregate ratio 5.5%, make the composite type modified asphalt of AC-13C, every technical performance index is in Table 2 after measured.
The test result of the every technical performance index of the composite type modified asphalt of table 2 embodiment
Indices all will, higher than current specifications (JTGF40-2004) requirement, illustrate that modification is in good condition as can be seen from Table 2.
embodiment 3:
Major ingredient is got diatomite 800g, dickite 400g, and wilkinite 350g, amounts to 1550g; Auxiliary material is got coal tar pitch 250g, and rubber powder 200g amounts to 450g, and major ingredient+auxiliary material amounts to 2000g, after fully mixing, just makes a kind of composite type pitch modifier 2000g.
Get AH-70 level and heavily hand over petroleum pitch 8.8kg, be heated to 160 ℃, add the above-mentioned mixed type asphalt modifier 1.2kg making, stir 20min, just make modifying asphalt 10kg, according to bitumen aggregate ratio 4.6%, make the composite type modified asphalt of AC-16C, every technical performance index is in Table 3 after measured.
The test result of the every technical performance index of the composite type modified asphalt of table 3 embodiment
Indices all will, higher than current specifications (JTGF40-2004) requirement, illustrate that modification is in good condition as can be seen from Table 3.
Claims (5)
1. a composite type pitch modifier, is characterized in that, this composite type pitch modifier comprises major ingredient and auxiliary material, and major ingredient accounts for 75%～80%, and auxiliary material accounts for 20%～25%.
2. a kind of composite type pitch modifier according to claim 1, is characterized in that: described major ingredient is diatomite, wilkinite, dickite, one or more composite forming of clay ore.
3. a kind of composite type pitch modifier according to claim 1, is characterized in that: described auxiliary material is petroleum pitch, coal tar pitch, rock asphalt, rubber powder, one or more composite forming of mica powder.
4. a kind of composite type pitch modifier according to claim 1, is characterized in that: water content≤1% of described major ingredient.
5. a kind of composite type pitch modifier according to claim 1, is characterized in that: the globule size of described major ingredient is 150～250 orders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310664661.XA CN103725021A (en) | 2013-12-10 | 2013-12-10 | Composite asphalt modifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310664661.XA CN103725021A (en) | 2013-12-10 | 2013-12-10 | Composite asphalt modifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103725021A true CN103725021A (en) | 2014-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310664661.XA Pending CN103725021A (en) | 2013-12-10 | 2013-12-10 | Composite asphalt modifier |
Country Status (1)
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| CN (1) | CN103725021A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110054438A (en) * | 2019-04-12 | 2019-07-26 | 重庆市市政设计研究院 | High performance modified bitumen, preparation method and bituminous concrete |
| CN110577750A (en) * | 2019-09-24 | 2019-12-17 | 武汉科技大学 | Composite modified asphalt for road and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0748517A (en) * | 1993-08-05 | 1995-02-21 | Hitachi Chem Co Ltd | Panel vibration damper, production thereof, vibrationdamped panel and production thereof |
| CN101792605A (en) * | 2010-02-24 | 2010-08-04 | 云南先锋煤业开发有限公司 | Composite asphalt modifier for CDE (Common Desktop Environment) and preparation method thereof |
| CN102079879A (en) * | 2009-11-26 | 2011-06-01 | 湖南省志成沥青有限公司 | Modified asphalt composition and production process thereof |
| CN102173658A (en) * | 2011-03-19 | 2011-09-07 | 重庆诚邦科技发展有限公司 | Cement concrete pavement curing agent and preparation method thereof |
| CN102690522A (en) * | 2012-06-18 | 2012-09-26 | 广州市中固建材有限公司 | Rock asphalt composite modifier as well as preparation method and application thereof |
-
2013
- 2013-12-10 CN CN201310664661.XA patent/CN103725021A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0748517A (en) * | 1993-08-05 | 1995-02-21 | Hitachi Chem Co Ltd | Panel vibration damper, production thereof, vibrationdamped panel and production thereof |
| CN102079879A (en) * | 2009-11-26 | 2011-06-01 | 湖南省志成沥青有限公司 | Modified asphalt composition and production process thereof |
| CN101792605A (en) * | 2010-02-24 | 2010-08-04 | 云南先锋煤业开发有限公司 | Composite asphalt modifier for CDE (Common Desktop Environment) and preparation method thereof |
| CN102173658A (en) * | 2011-03-19 | 2011-09-07 | 重庆诚邦科技发展有限公司 | Cement concrete pavement curing agent and preparation method thereof |
| CN102690522A (en) * | 2012-06-18 | 2012-09-26 | 广州市中固建材有限公司 | Rock asphalt composite modifier as well as preparation method and application thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110054438A (en) * | 2019-04-12 | 2019-07-26 | 重庆市市政设计研究院 | High performance modified bitumen, preparation method and bituminous concrete |
| CN110054438B (en) * | 2019-04-12 | 2021-08-20 | 重庆市市政设计研究院有限公司 | High-performance modified asphalt, preparation method thereof and asphalt concrete |
| CN110577750A (en) * | 2019-09-24 | 2019-12-17 | 武汉科技大学 | Composite modified asphalt for road and preparation method thereof |
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Application publication date: 20140416 |