CN101205452A - Chromatic asphalt cement improving workability - Google Patents
Chromatic asphalt cement improving workability Download PDFInfo
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- CN101205452A CN101205452A CNA2006101475662A CN200610147566A CN101205452A CN 101205452 A CN101205452 A CN 101205452A CN A2006101475662 A CNA2006101475662 A CN A2006101475662A CN 200610147566 A CN200610147566 A CN 200610147566A CN 101205452 A CN101205452 A CN 101205452A
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- chromatic
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Abstract
The invention discloses colored bitumen adhesive which comprises the following components by weight percent: 20 to 65 percent of petroleum resin, 30 to 79 percent of lubricating oil refined extract oil and 1 to 5 percent of polypropylene wax. Through adding a little polypropylene wax in common colored bitumen adhesive, the mixing, paving and rolling temperatures of bituminous mixture are greatly lowered without generating negative influence on final colored bituminous pavement; moreover, due to adding polypropylene wax, the construction temperature of the colored bituminous mixture is lowered, thereby enduring easier construction; meanwhile, because the construction temperature is lowered, the odor emitted from the adhesive is correspondingly reduced, which is propitious to environmental protection; in addition, SEBS, SIS and SBR are added to ensure that the colored bitumen adhesive has better high-temperature stability.
Description
Technical field
The present invention relates to a kind of bituminous cement, particularly a kind of binding agent that is used for color asphalt.
Background technology
The mechanical property of chromatic asphalt and rheological property and general road are identical with heavy traffic paving asphalt, the cardinal principle on chromatic asphalt road surface adopts chromatic asphalt exactly, make it have various needed colors by various adding pigment, simultaneously by adopting color aggregate or light building stones, make it that more permanent color effect be arranged, good chromatic asphalt should satisfy the requirement of following three aspects:
The performance of chromatic asphalt is good, should reach the requirement of heavy traffic paving asphalt even modifying asphalt as far as possible; Anti-rut performance is good; Anti-water damage property is good.
At present, there have been many patents and document to disclose chromatic asphalt separately, the suitability for industrialized production that has, as the technology that patent GB1226234, EP-A0179510 and EP-A0330281 are disclosed, and the technology reported of Chinese patent application 03802619.X and ZL93107531.A significant defective of above-mentioned patent disclosure is, when concrete construction, need be heated high temperature, not only need a large amount of energy consumptions, and contaminate environment, constructional difficulties also can not add too much ratio of polymer in composition, limited the high-temperature stability of chromatic asphalt, be unfavorable for promoting the use of, therefore, a kind of new chromatic asphalt of development research has very expectation.
Summary of the invention
This therefore, and the technical problem that the present invention solves is exactly to disclose a kind of chromatic asphalt that is easy to construct, to overcome the above-mentioned defective that prior art exists.
The concrete technical scheme that the present invention taked is:
A kind of chromatic asphalt, its component comprises by weight percentage:
Oil 30～79%, Poly Propylene Wax 1～5% are extracted in petroleum resin 20～65%, lube oil finishing out.
The petroleum resin of the above-mentioned preferred C9 of petroleum resin can adopt commercially produced product, produce as Korea S Kolon company, and trade(brand)name: the product of Hikotack P140, softening temperature are 100～160 ℃, and preferred 130～150 ℃, molecular-weight average (GPC method) 800～3200;
Lube oil finishing is extracted oil out and is extracted oil out for the lube oil finishing with 360-560 ℃, and 40 ℃ of viscosity are 2～7Pa.S, and fragrance divides content: 50～80wt%.
Its molecular-weight average of above-mentioned Poly Propylene Wax is 3000-6000, and softening temperature is at 120-150 ℃.Add Poly Propylene Wax, construction temperature can obtain lower, and construction is become easily, because construction temperature reduces, the also corresponding minimizing of the smell that binding agent distributes helps environmental protection, but can not improve high-temperature stability simultaneously.
Therefore, the solution of the present invention also can be mixed one or more the mixture among styrene-ethylene/butylene-styrene SEBS, styrene isoprene styrene block copolymer (SIS) SIS and the SBR.SEBS 3-9%, SIS 3-9%, styrene butadiene rubber sbr 1～5.SEBS molecular weight 3-35 ten thousand, preferred 10-25 ten thousand; SIS molecular weight 3-30 ten thousand, preferred 10-20 ten thousand.More than three kinds all can adopt the commercially available prod.Add SEBS, SIS and SBR and all can improve adhesivity and high-temperature stability.
The preparation method of chromatic asphalt of the present invention comprises the steps:
Extract lube oil finishing out oil and be heated to 170～180 ℃, proportionally add petroleum resin, Poly Propylene Wax and SEBS and SIS then, mixed 0.5～3 hour, promptly prepare chromatic asphalt.
Chromatic asphalt of the present invention can mix the formation asphalt with pigment, pitch, aggregate, is used for making color asphalt road surface, and the addition of chromatic asphalt is generally 4～7% of compound weight.
The contriver is through overtesting, be surprised to find, by in conventional chromatic asphalt, introducing a small amount of Poly Propylene Wax, can reduce the mixing of asphalt greatly, pave and roll temperature, and can final color asphalt road surface not had a negative impact, owing to added Poly Propylene Wax, the construction temperature of chromatic bitumen mixture can obtain lower, make construction become easy, simultaneously because the construction temperature reduction, the also corresponding minimizing of the smell that binding agent distributes helps environmental protection, and the adding of Poly Propylene Wax simultaneously also can make chromatic asphalt have better high-temperature stability.
Embodiment
Embodiment 1～6
The raw material that adopts:
Oil is extracted in lube oil finishing out, 40 ℃ of viscosity 3.5Pa.S, and flash-point: 335 ℃, fragrance divides content: 68wt%, 15 ℃ of density: 0.98g/cm3
Petroleum resin, Korea S Kolon company produces, trade(brand)name: Hikotack P140,145 ℃ of softening temperatures, molecular-weight average (GPC method) 2200
Poly Propylene Wax, molecular weight are 3000-6000, and softening temperature is at 120-150 ℃
SEBS, SIS and SBR
Extract lube oil finishing out oil and be heated to 175 ℃, add petroleum resin, Poly Propylene Wax, SEBS, SIS and SBR then, and adopt agitator to stir 60 minutes, promptly prepare the finished product chromatic asphalt with 200 rev/mins rotating speed.Concrete proportion of composing (weight percent), and adopt the binding agent and the mixture performance of the detection method detection of Chinese transportation ministerial standard " highway engineering pitch and asphalt testing regulation " JTJ052-2000 standard code to the results are shown in Table 1.
The comparative example 1～2
The chromatic asphalt that adopts the method identical to prepare with embodiment 1～3, wherein, do not add Poly Propylene Wax, concrete proportion of composing (weight percent), and adopt the method for stipulating according to Chinese transportation ministerial standard " highway engineering pitch and asphalt testing regulation " JTJ052-2000 to measure softening temperature, 135 ℃ of viscosity of chromatic asphalt, SHRPSuperpave specified standards detection method according to the U.S. is carried out the PG classification, and the binding agent results of property sees Table 1.
Table 1
| Proportion of composing | Comparative Examples 1 | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative Examples 2 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| Oil is extracted in lube oil finishing out | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 70 |
| Petroleum resin | 28 | 27 | 25 | 23 | 20 | 18 | 16 | 23 |
| Poly Propylene Wax | 0 | 1 | 3 | 5 | 0 | 1 | 3 | 5 |
| SEBS | 0 | 0 | 3 | 3 | 5 | 5 | 5 | 5 |
| SIS | 0 | 0 | 3 | 3 | 4 | 4 | 4 | 4 |
| SBR | 0 | 0 | 2 | 2 | 3 | 3 | 3 | 3 |
| Performance | ||||||||
| The softening temperature T of binding agent R&B(℃) | 45.5 | 52.5 | 66.5 | 97.5 | 78.5 | 83.5 | 95.5 | 103.5 |
| 135 ℃ of viscosity of binding agent (Pa.S) | 0.31 | 0.27 | 0.15 | 0.13 | 3.1 | 2.7 | 1.6 | 1.2 |
| The PG classification | 58-16 | 58-16 | 64-16 | 64-16 | 70-22 | 70-22 | 76-22 | 76-22 |
As can be seen from Table 1, after adding Poly Propylene Wax, be elevated to 5% with the admixture ratio by 1%, the softening temperature of corresponding binding agent, the PG high temperature grading improves gradually, show that its high-temperature stability obtains to improve, and 135 ℃ of viscosity with Poly Propylene Wax after the admixture ratio be elevated to 5% by 1% and reducing gradually, show that its workability improves gradually, for common binding agent, the adding of Poly Propylene Wax can reduce construction temperature, can reduce pollution during construction to environment, for the binding agent that adds polymkeric substance, the adding of Poly Propylene Wax not only can reduce construction temperature, can reduce the pollution to environment during construction, also makes the workability of compound obtain obvious improvement simultaneously.
Embodiment 4
Chromatic asphalt is carried out compound marshal piece and rut test piece moulding with gathering materials, the above building stones employing of 2.36mm diabase wherein, 2.36mm-0.075mm employing quartzite grating, and adopt following grating:
To account for the gross weight of compound be 4.6% to chromatic asphalt in the compound, the forming method of compound carries out according to Chinese transportation ministerial standard " highway engineering pitch and asphalt testing regulation " JTJ052-2000 specified standards method, wherein the temperature of mixing and stirring of compound is 160 ℃, mold temperature is 145 ℃, the marshall compaction number of times is two-sided hitting real 75 times, rut test piece roller-compaction number of times is 12 times, and test its wheel tracking test dynamic stability and voidage, test-results such as following table 2 according to Chinese transportation ministerial standard " highway engineering pitch and asphalt testing regulation " JTJ052-2000 specified standards method:
Table 2
| Proportion of composing | Comparative Examples 1 | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative Examples 2 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| Voidage (%) | 4.1 | 4.0 | 3.1 | 2.7 | 7.7 | 7.3 | 5.5 | 4.1 |
| Chromatic bitumen mixture wheel tracking test dynamic stability (inferior/mm) | 230 | 380 | 570 | 630 | 650 | 710 | 1210 | 1320 |
As can be seen from the above table, the chromatic asphalt formed mixed material voidage reduction under the same conditions that adds Poly Propylene Wax, show that its workability improves, chromatic bitumen mixture wheel tracking test dynamic stability also increases gradually with the increase of Poly Propylene Wax simultaneously, shows that its high-temperature stability obtains to improve.
Claims (7)
1. chromatic asphalt, its component comprises by weight percentage: oil 30～79%, Poly Propylene Wax 1～5% are extracted in petroleum resin 20～65%, lube oil finishing out.
2. chromatic asphalt as claimed in claim 1 is characterized in that: the mixture that also contains following one or more: SEBS 3-9%, SIS 3-9%, SBR 1～5.
3. chromatic asphalt as claimed in claim 1 or 2 is characterized in that: said petroleum resin are petroleum resin of C9, and softening temperature is 100～160 ℃.
4. chromatic asphalt as claimed in claim 3 is characterized in that: said petroleum resin softening temperature is 130～150 ℃, molecular-weight average (GPC method) 800～3200.
5. chromatic asphalt as claimed in claim 1 or 2 is characterized in that: said lube oil finishing is extracted oil out and is extracted oil out for the lube oil finishing with 360-560 ℃, and 40 ℃ of viscosity are 2～7Pa.S, and fragrance divides content: 50～80wt%.
6. chromatic asphalt as claimed in claim 1 or 2 is characterized in that: its molecular-weight average of said Poly Propylene Wax is 3000-6000, and softening temperature is at 120-150 ℃.
7. the preparation method of the described chromatic asphalt of claim 1～6, this method comprises the steps: that extracting lube oil finishing out oil is heated to 170～180 ℃, proportionally add petroleum resin, Poly Propylene Wax and SEBS, SIS and SBR then, mixed 0.5～3 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101475662A CN101205452A (en) | 2006-12-20 | 2006-12-20 | Chromatic asphalt cement improving workability |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101475662A CN101205452A (en) | 2006-12-20 | 2006-12-20 | Chromatic asphalt cement improving workability |
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| CN101205452A true CN101205452A (en) | 2008-06-25 |
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| CNA2006101475662A Pending CN101205452A (en) | 2006-12-20 | 2006-12-20 | Chromatic asphalt cement improving workability |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102051019B (en) * | 2009-10-27 | 2013-05-01 | 中国石油化工股份有限公司 | Color fire-retarding asphalt mixture and preparation method thereof |
| WO2018068728A1 (en) * | 2016-10-12 | 2018-04-19 | Shell Internationale Research Maatschappij B.V. | Method for reducing bitumen and crmb odors |
| US11274208B2 (en) | 2016-10-12 | 2022-03-15 | Shell Oil Company | Reducing crumb rubber modified bitumen odors |
-
2006
- 2006-12-20 CN CNA2006101475662A patent/CN101205452A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102051019B (en) * | 2009-10-27 | 2013-05-01 | 中国石油化工股份有限公司 | Color fire-retarding asphalt mixture and preparation method thereof |
| WO2018068728A1 (en) * | 2016-10-12 | 2018-04-19 | Shell Internationale Research Maatschappij B.V. | Method for reducing bitumen and crmb odors |
| US11274208B2 (en) | 2016-10-12 | 2022-03-15 | Shell Oil Company | Reducing crumb rubber modified bitumen odors |
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Open date: 20080625 |