CN102702761A - Cold-patch asphalt modified liquid and production method thereof - Google Patents
Cold-patch asphalt modified liquid and production method thereof Download PDFInfo
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- CN102702761A CN102702761A CN2012102247067A CN201210224706A CN102702761A CN 102702761 A CN102702761 A CN 102702761A CN 2012102247067 A CN2012102247067 A CN 2012102247067A CN 201210224706 A CN201210224706 A CN 201210224706A CN 102702761 A CN102702761 A CN 102702761A
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- styrene
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Abstract
The invention provides a cold-patch asphalt modified liquid and a production method thereof. The cold-patch asphalt modified liquid comprises the following components by weight: 5-8% of one or a mixture of butadiene styrene rubber (BSR) and styrene-butadiene-styrene (SBS), 3-5% of naphthenic oil, 3-5% of glycerol, 3-5% of dibutyl ester, 0-3% of an anti-stripping agent and the balance of heavy diesel oil. The production method of the asphalt modified liquid comprises the following steps: (1) screening an asphalt modifying agent through an oscillating screen with sieve pores of 0.6cm, and clearing away caking; (2) adding the asphalt modifying agent and the heavy diesel oil into a stirrer in proportion for stirring for 3-4 hours until the asphalt modifying agent is completely and uniformly dispersed in the diesel oil and turned into a light brown paste; and (3) adding the naphthenic oil, the glycerol, the dibutyl ester and the anti-stripping agent in proportion, together stirring the added components for 30-40 minutes, and then storing for later use. The cold-patch asphalt modified liquid has the advantages of long storage period, good operability, simple production process, abundant material resource, environment friendly production, convenience in use, and the like.
Description
Technical field
The present invention relates to pavement construction material technology field, especially a kind of asphalt cold repairing modification liquid and working method thereof of fast repairing asphalt pavement.
Background technology
Along with the fast development of China's communications and transportation cause, the volume of transport on the motorway increases year by year, and heavy-duty vehicle is on the increase; The influence of southern in addition damp and hot climate characteristic causes the frequent appearance of bituminous pavement damaged, and running into the disease that produces rainy season can increase severely; Repair like untimely adopting an effective measure, will cause the pavement disease continuation to worsen and cause that big area is loose, hole groove disease, not only have a strong impact on the quality and safety of driving; Also increase maintenance costs, shorten curing cycle.For this reason, prior art often adopts a kind of cold-applied asphalt mikture to repair, and it has the use of meeting an urgent need, and constructional method is very simple, convenient and swift, timely patch repair, advantage such as open to traffic immediately.Yet the cold-applied asphalt mikture of selling in the market is with the rare one-tenth eu-bitumen of asphalt cement; Promptly in asphalt cement, process behind the dissimilar thinners of interpolation about 20%, its use properties does not all reach specification of quality, and not only staging life is short; Lose viscosity too early, and poor operability, caking is not easy to spread out; Can not be closely knit after the use, the road surface after often causing repairing goes wrong.Particularly under the weather condition damp and hot like Guangdong of south, loose destruction appears in the hole groove of repairing very soon, has a strong impact on repair efficiency.This is the weak point that always exists of prior art just.
Summary of the invention
For solving the above-mentioned defective that existing cold-applied asphalt mikture exists, the present invention provides a kind of good technical performance that has, and guarantees that the quality of shelf lives does not change, and repair efficiency is good, novel asphalt cold repairing modification liquid pollution-free and with low cost.
Above-mentioned task is achieved in that a kind of cold asphalt modification liquid; It is characterized in that by a kind of in the styrene-butadiene rubber(SBR) (SBR) of weight percent, the styrene-butadiene-styrene (SBS) or their mixture 5～8%; NO 3～5%, USP Kosher 3～5%, dibutylester 3～5%; Antistripping agent 0～3%, surplus are that heavy gas oil is formed.
The object of the invention can also be further perfect through following scheme:
The optimum ratio (weight percent) of asphalt cold repairing modification liquid of the present invention is; A kind of in styrene-butadiene rubber(SBR) (SBR), the styrene-butadiene-styrene (SBS) or their mixture 5～7%, NO 3～5%, USP Kosher 5%, dibutylester 5%, antistripping agent 0～2%, surplus is a heavy gas oil.
The best proportioning (weight percent) of asphalt cold repairing modification liquid of the present invention is; A kind of in styrene-butadiene rubber(SBR) (SBR), the styrene-butadiene-styrene (SBS) or their mixture 7%, NO 5%, USP Kosher 5%, dibutylester 5%, heavy gas oil are 78%.
The granularity of styrene-butadiene rubber(SBR) (SBR) described in the asphalt cold repairing modification liquid of the present invention and styrene-butadiene-styrene (SBS) does not have caking less than 6 millimeters.
Styrene-butadiene rubber(SBR) of the present invention (SBR) and styrene-butadiene-styrene (SBS) are asphalt performance properties-correcting agent.Styrene-butadiene rubber(SBR) (SBR) belongs to rubber-like, pitch is become have more flexibility, thereby improve the pitch crack resistance at low-temperature.And the main styrenic block copolymer of styrene-butadiene-styrene (SBS); Belong to thermoplastic elastomer, can absorb the aromatic hydrocarbons and the colloid of attaching in the pitch, and the swelling phenomenon takes place; Set up new colloidal structure system; In pitch, form elastic anastomose structure, this network structure has ideal elasticity, plasticity and extensibility, and the bituminous performance is improved comprehensively.These two kinds of materials are the good modification dosage that improves pitch property performance, make the close pitch of thickness originally asphalt performance after the dilution reached improve and improve through adding these two kinds of properties-correcting agent.In the present invention, asphalt performance properties-correcting agent is selected a kind of among SBR, the SBS or their thing that dissolves each other, because SBR helps improving the bituminous low-temperature performance, and for preventing the pitch cold cracking, preferred SBR; And SBS helps improving the bituminous high-temperature behavior, and it is suitable using to select SBS for use in the southern high-temperature area, and composite type modified dose of use range that more helps widening asphalt cold repairing modification liquid of SBS and SBR., too much uneconomical as for the add-on of asphalt performance properties-correcting agent with 5～8% for well, too smallly also do not reach the modification requirement, preferable range be 5～8%.
Described NO is a kind of stablizer that dissolves each other, and with rubber good intermiscibility is arranged, and can improve operability and the physical and chemical performance and the characteristic of rubber, is the good tenderizer of styrene-butadiene rubber(SBR) (SBR) and divinyl rubber (SBS).The adding NO can make fine mutual steady dissolution is arranged between properties-correcting agent and the pitch in modification liquid.In the present invention, its add-on is suitable with 3～5%, surpass 5% can influence modifying asphalt high temperature performance, less than 3% also can influence the thing that dissolves each other stability, best add-on is 5%.
Described USP Kosher is industry and the indispensable pour point depressant of preserving moisture of daily-use chemical industry, also is good frostproofer.In asphalt cold repairing modification liquid, add zero pour that USP Kosher can reduce product and guarantee the use when low temperature, can effectively improve the product humidity-holding effect, guarantee staging life and consistency.In the present invention, its add-on too much adding the high temperature performance that affiliation influences modifying asphalt with 3～5% for well, the too small effect that does not then reach the pour point depression of preserving moisture, and its optimum ratio is 5%.
Described dibutylester has good plasticity and low-temperature performance, can effectively improve asphalt cold repairing and close material operability and construction workability.Too much add-on can influence the high temperature performance of modifying asphalt, and the too small asphalt cold repairing that then can influence closes the material construction workability, is suitable with 3～5% generally, and its optimum ratio is 5%.
Heavy gas oil and pitch all are the homologous series products that from oil, refines, and are the best thinners of fluxed asphalt, and pitch is stable and uniform after diluting, and are the most basic compsns of the present invention.
In order further to improve building stones and bituminous adhesivity, strengthen the water stability of asphalt cold repairing mixture, can be according to the soda acid performance of building stones, adding in the present invention is not more than 3% antistripping agent.This antistripping agent of selecting for use has amino amine to derive out, and it is foundation that additive capacity adheres to class requirement with building stones and bituminous.According to " asphalt highway design specifications " (JTJ 014-97) to the stability of asphalt mixture index request, annual rainfall (mm)＞1000, the adhesivity grade of pitch and building stones is not less than 4 grades; Annual rainfall (mm): 500～1000, the adhesivity grade of pitch and building stones is not less than 4 grades; Annual rainfall (mm): 250～500, the adhesivity grade of pitch and building stones is not less than 3 grades; Annual rainfall (mm)＜250, the adhesivity grade of pitch and building stones is not less than 3 grades.The adhesivity grade of pitch and building stones is divided into 5 grades, grade scale with the adhesiveness test of pitch and building stones after on the building stones surface asphalt membrane situation of peeling off judge.Preserving fully when asphalt membrane, peel off the area percentage and approached 0 o'clock, is 5 grades; Few portion is moved by water when asphalt membrane, and is in uneven thickness, and peel off the area percentage and be less than 10%, be 4 grades; Moving when the asphalt membrane part is evident as water, be retained in building stones basically and show, peel off the area percentage and be less than 30%, is 3 grades.Generally speaking, alkaline building stones, better like Irish touchstone, ls and bituminous adhesivity, generally can reach the adhesivity class requirement, need not add antistripping agent, improve adhesivity for further, but admixture about 1%; Acid stone, relatively poor like grouan and bituminous adhesivity, be difficult to reach the adhesivity class requirement, need the antistripping agent of interpolation about 1%～3% to carry out the adhesivity improvement, concrete additive capacity adheres to class requirement according to building stones and bituminous and decides.This antistripping agent is bought on raw materials market.
Working method program according to asphalt cold repairing modification liquid of the present invention is following:
1., be that 0.6 centimetre sieve sieves with asphalt performance properties-correcting agent through sieve aperture, and remove caking;
2., asphalt performance is changed agent and heavy gas oil joins in the stirrer in proportion, the limit swelling, stirred 3～4 hours on the limit, changes the agent of anti-property until asphalt performance and all be dispersed in the heavy gas oil, becomes the mashed prod of light brown;
3., subsequently add NO, USP Kosher and dibutylester and antistripping agent in proportion and stirred in the lump 30～40 minutes, make color and dense rare evenly just can to pour hold-up vessel into subsequent use.
The present invention compared with prior art, its beneficial effect is following:
1, can improve the technical feature of asphalt cold repairing modification liquid effectively, staging life, reached more than 6 months, has good operability, is prone to pave, and is prone to consolidation, and cohesiveness is good, and certain anti-outlet capacity is arranged.
2, these asphalt cold repairing modification liquid starting material all adopt home products, convenient sources, and in liberal supply, production unit and production technique are simple, make easily.
3, this asphalt cold repairing modification liquid is produced at normal temperatures, and the workman does not receive the influence of high temperature and irritant gas smell, compliance with environmental protection requirements.
4, this asphalt cold repairing modification liquid can be produced in use, also can produce independent hermetically stored in advance, also can mix with matrix pitch to produce hermetically stored behind the cold-patch modifying asphalt, uses very convenient.
Embodiment
Through specific embodiment invention is further described below:
The constituent (weight percent) of the asphalt cold repairing modification liquid of the embodiment of the invention 1 is: styrene-butadiene rubber(SBR) (SBR) 8%, NO 3%, USP Kosher 3%, dibutylester 3%, heavy gas oil 83%.
The constituent (weight percent) of the asphalt cold repairing modification liquid of the embodiment of the invention 2 is: styrene-butadiene rubber(SBR) (SBR) 5%, NO 5%, USP Kosher 5%, dibutylester 5%, heavy gas oil 80%.
The constituent (weight percent) of the asphalt cold repairing modification liquid of the embodiment of the invention 3 is: styrene-butadiene-styrene (SBS) 7%, NO 4%, USP Kosher 4%, dibutylester 5%, heavy gas oil 80%.
The constituent (weight percent) of the asphalt cold repairing modification liquid of the embodiment of the invention 4 is: styrene-butadiene rubber(SBR) (SBR) and styrene-butadiene-styrene (SBS) mixture (SBR:SBS=6:4) 6%; NO 5%, USP Kosher 5%, dibutylester 3%; Antistripping agent 3%, heavy gas oil 78%.
The constituent (weight percent) of the asphalt cold repairing modification liquid of the embodiment of the invention 5 is: styrene-butadiene rubber(SBR) (SBR) 7%, NO 5%, USP Kosher 5%, dibutylester 5%, heavy gas oil 78%.
The constituent (weight percent) of the asphalt cold repairing modification liquid of the embodiment of the invention 6 is: styrene-butadiene rubber(SBR) (SBR) and styrene-butadiene-styrene (SBS) mixture (SBR:SBS=6:4) 8%; NO 4%; USP Kosher 3%, dibutylester 4%, heavy gas oil 81%.
The constituent (weight percent) of the asphalt cold repairing modification liquid of the embodiment of the invention 7 is: styrene-butadiene-styrene (SBS) 5%, NO 3%, USP Kosher 5%, dibutylester 5%, antistripping agent 2%, heavy gas oil 78%.
The constituent (weight percent) of the asphalt cold repairing modification liquid of the embodiment of the invention 8 is: styrene-butadiene rubber(SBR) (SBR) 6%, NO 3%, USP Kosher 4%, dibutylester 3%, antistripping agent 1%, heavy gas oil 83%.
The production technique of asphalt cold repairing modification liquid of the present invention is following:
1, is that 0.6 centimetre vibratory screening apparatus sieves with asphalt performance properties-correcting agent through sieve aperture, and removes caking;
2, asphalt performance properties-correcting agent and heavy gas oil are joined in the stirrer in proportion, stirred 3～4 hours on swelling limit, limit, all is dispersed in uniformly in the heavy gas oil until asphalt modifier, becomes the mashed prod of light brown;
3, add NO in proportion, USP Kosher, dibutylester and antistripping agent stirred 30～40 minutes in the lump, made color and thick rare to change hold-up vessel over to after evenly for use.
Claims (5)
1. asphalt cold repairing modification liquid; It is characterized in that by a kind of in the styrene-butadiene rubber(SBR) (SBR) of weight percent, the styrene-butadiene-styrene (SBS) or their mixture 5～8%; NO 3～5%, USP Kosher 3～5%, dibutylester 3～5%; Antistripping agent 0～3%, surplus are that heavy gas oil is formed.
2. asphalt cold repairing modification liquid according to claim 1; It is characterized in that each group weight percent be: a kind of in styrene-butadiene rubber(SBR), the styrene-butadiene-styrene (SBS) or their mixture 5～7%; NO 3～5%, USP Kosher 5%, dibutylester 5%; Antistripping agent 0～2%, surplus are heavy gas oil.
3. asphalt cold repairing modification liquid according to claim 1; It is characterized in that each group weight percent be: a kind of in styrene-butadiene rubber(SBR) (SBR), the styrene-butadiene-styrene (SBS) or their mixture 7%, NO 5%, USP Kosher 5%; Dibutylester 5%, heavy gas oil are 78%.
4. asphalt cold repairing modification liquid according to claim 1 is characterized in that: described styrene-butadiene rubber(SBR) (SBR), and the granularity of styrene-butadiene-styrene (SBS) less than 6 millimeters, do not have caking.
5. the working method of asphalt cold repairing modification liquid according to claim 1 is:
1., be that 0.6 centimetre vibratory screening apparatus sieves with asphalt modifier through sieve aperture, and remove caking;
2., asphalt modifier and heavy gas oil are joined in the stirrer in proportion, stirred 3～4 hours on swelling limit, limit, all is dispersed in the heavy gas oil until asphalt modifier, becomes the mashed prod of light brown;
3., in proportion add NO, USP Kosher and dibutylester and antistripping agent stirred 30～40 minutes in the lump, made color and thick rare evenly just can to change hold-up vessel over to subsequent use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012102247067A CN102702761A (en) | 2012-07-03 | 2012-07-03 | Cold-patch asphalt modified liquid and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102247067A CN102702761A (en) | 2012-07-03 | 2012-07-03 | Cold-patch asphalt modified liquid and production method thereof |
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| CN102702761A true CN102702761A (en) | 2012-10-03 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103804924A (en) * | 2012-11-07 | 2014-05-21 | 中国石油化工股份有限公司 | Normal temperature repair asphalt solution additive and preparation method thereof |
| CN105102544A (en) * | 2013-02-22 | 2015-11-25 | 拉斐尔·莱奥纳尔多·巴雷特·瓦莱罗 | Catalyst for asphalt mix |
| CN106589990A (en) * | 2016-12-05 | 2017-04-26 | 钦州市钦南区生产力促进中心 | Asphalt cold-fill liquid and preparation method thereof |
| CN106810889A (en) * | 2017-01-20 | 2017-06-09 | 青岛科凯达橡塑有限公司 | A kind of asphalt cold repairing and preparation method thereof |
| CN106867266A (en) * | 2017-01-20 | 2017-06-20 | 青岛科凯达橡塑有限公司 | A kind of asphalt cold repairing additive and its preparation method and application |
| CN107805300A (en) * | 2017-10-27 | 2018-03-16 | 江苏中路交通科学技术有限公司 | A kind of environmentally friendly solvent, cold-repairing material and preparation method thereof |
| CN108342091A (en) * | 2018-02-05 | 2018-07-31 | 山东省交通科学研究院 | A kind of cold-mix asphalt, the cold mixing cover mixture based on waste asphalt pavement material |
| CN108359250A (en) * | 2018-02-05 | 2018-08-03 | 山东省交通科学研究院 | The preparation method of high-performance asphalt cold repairing, the cold-repairing material based on waste asphalt pavement material and the two |
| CN108558272A (en) * | 2018-05-24 | 2018-09-21 | 浙江绣山园林建设有限公司 | A kind of regenerated type road cold-repairing material |
| CN109231892A (en) * | 2018-10-09 | 2019-01-18 | 中国石油化工股份有限公司 | A kind of weather-proof particulate formula chromatic cementing agent mixture |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103804924A (en) * | 2012-11-07 | 2014-05-21 | 中国石油化工股份有限公司 | Normal temperature repair asphalt solution additive and preparation method thereof |
| CN103804924B (en) * | 2012-11-07 | 2016-05-18 | 中国石油化工股份有限公司 | A kind of normal temperature is repaired asphaltic liquid additive and preparation method thereof |
| CN105102544A (en) * | 2013-02-22 | 2015-11-25 | 拉斐尔·莱奥纳尔多·巴雷特·瓦莱罗 | Catalyst for asphalt mix |
| CN106589990A (en) * | 2016-12-05 | 2017-04-26 | 钦州市钦南区生产力促进中心 | Asphalt cold-fill liquid and preparation method thereof |
| CN106810889B (en) * | 2017-01-20 | 2019-06-21 | 青岛科凯达橡塑有限公司 | A kind of asphalt cold repairing and preparation method thereof |
| CN106867266A (en) * | 2017-01-20 | 2017-06-20 | 青岛科凯达橡塑有限公司 | A kind of asphalt cold repairing additive and its preparation method and application |
| CN106867266B (en) * | 2017-01-20 | 2019-06-18 | 青岛科凯达橡塑有限公司 | A kind of asphalt cold repairing additive and its preparation method and application |
| CN106810889A (en) * | 2017-01-20 | 2017-06-09 | 青岛科凯达橡塑有限公司 | A kind of asphalt cold repairing and preparation method thereof |
| CN107805300A (en) * | 2017-10-27 | 2018-03-16 | 江苏中路交通科学技术有限公司 | A kind of environmentally friendly solvent, cold-repairing material and preparation method thereof |
| CN107805300B (en) * | 2017-10-27 | 2020-07-28 | 江苏中路交通科学技术有限公司 | Environment-friendly solvent, cold-patch material and preparation method thereof |
| CN108342091A (en) * | 2018-02-05 | 2018-07-31 | 山东省交通科学研究院 | A kind of cold-mix asphalt, the cold mixing cover mixture based on waste asphalt pavement material |
| CN108359250A (en) * | 2018-02-05 | 2018-08-03 | 山东省交通科学研究院 | The preparation method of high-performance asphalt cold repairing, the cold-repairing material based on waste asphalt pavement material and the two |
| CN108359250B (en) * | 2018-02-05 | 2021-04-06 | 山东省交通科学研究院 | High-performance cold patch asphalt, cold patch based on waste asphalt pavement material and preparation methods of high-performance cold patch asphalt and cold patch |
| CN108558272A (en) * | 2018-05-24 | 2018-09-21 | 浙江绣山园林建设有限公司 | A kind of regenerated type road cold-repairing material |
| CN108558272B (en) * | 2018-05-24 | 2020-10-09 | 浙江绣山园林建设有限公司 | Regenerative road cold-patch material |
| CN109231892A (en) * | 2018-10-09 | 2019-01-18 | 中国石油化工股份有限公司 | A kind of weather-proof particulate formula chromatic cementing agent mixture |
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Application publication date: 20121003 |