CN1293163C - Water-proof and oil-repelling agent of colorless organic silicon resin for asphalt road surface - Google Patents
Water-proof and oil-repelling agent of colorless organic silicon resin for asphalt road surface Download PDFInfo
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- CN1293163C CN1293163C CNB2005100183234A CN200510018323A CN1293163C CN 1293163 C CN1293163 C CN 1293163C CN B2005100183234 A CNB2005100183234 A CN B2005100183234A CN 200510018323 A CN200510018323 A CN 200510018323A CN 1293163 C CN1293163 C CN 1293163C
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Abstract
The present invention relates to a colorless waterproof anti-oil agent of organic silicon resin for asphalt road surfaces. The waterproof anti-oil agent is compounded from 92 wt% of silicon resin solution, 2 to 4 wt% penetrating agent and 4 to 6 wt% of adhesion promotor, wherein the penetrating agent is isobutyl triethoxyl silane; the adhesion promotor is gamma-aminopropyltriethoxysilane. The silicon resin solution is prepared from 56 wt% of methyltriethoxysilane, 3 wt% of tetraethyl orthosilicate, 7 wt% of diethoxydimethylsilane, 13 wt% of ethanol, 1 wt% of alkaline liquid and 20 wt% of water; the components are uniformly mixed at room temperature, the temperature is raised to 70 to 90 DEG C, and the reaction is carried out for 1 to 2 hours to prepare the silicon resin solution. In the present invention, the waterproof anti-oil agent is respectively solidified into films at the bottom, in the middle and on the upper part of an asphalt road surface through spraying at different time, in different directions and with different quantities, so that the performance of water prevention and seepage resistance of the asphalt road surface are enhanced, and the performance of water damage resistance and oil pollution resistance of the asphalt road surface is improved; at the same time, the visual effect, the structural depth and the skid resistance of the asphalt road surface is not influenced.
Description
Technical field
The present invention relates to a kind of colourless silicone resin water-and oil-repellent, especially a kind of colourless silicone resin water-and oil-repellent that is used for bituminous pavement, the technical field that belongs to asphalt pavement conserving and water proof anti-seepage material is specially silicone resin solution material proportioning, preparation method and the application on bituminous pavement thereof.
Background technology
The damage by water evil of bituminous pavement attracts much attention gradually, has also formed the problem of worldwide scope.Typical water infringement phenomenon shows as that bituminous pavement is loose, the hole, hole.Loose surface of aggregate is smooth, and asphalt membrane peels off totally.The internal cause that bituminous pavement produces water destruct can be summed up as that pumping equipment imperfection, pitch blended stock voidage are excessive, road surface infiltration, pavement compaction degree deficiency, asphalt anti-water damage scarce capacity and thickness approach partially etc.The compactness deficiency is the most general reason of bituminous pavement early water infringement.Usually, the voidage of hot-mix asphalt mixture 4%～5% is fluid-tight substantially.China's code requirement Asphalt Mixture Design voidage is 2%～6%, when construction finishes, great majority require to reach 92% maximum theory density, just on-the-spot bituminous pavement voidage is 8%, under the traffic load effect in 2～3 years, the further compacting of bituminous pavement has reached the design voidage.When compaction Control in Asphalt Pavement was bad, on-the-spot voidage was higher than 8% easily infiltration, thereby causes ravelling.Studies show that the road surface of voidage between 8%～12% is the most incidental zone of damage by water evil, is not easy into less than 8% water, and is easy to flow away greater than 12% water, but the structural sheet of draining must be set.
The tire of the automobile that the water major part on the bituminous pavement is run at high speed splashes the roadside, also has seldom a part of water to be extruded and to enter in the pavement asphalt layer.If the ununiformity of asphalt is big, the effective porosity of local area is big, the bad water destruct that also can cause local highway section of control of construction quality.As long as water intrusion also is trapped in the space of bituminous concrete, under the effect of a large amount of drivings, all can produces the pitch peeling phenomenon, and produce water destruct.Current bituminous pavement has increased the waterproof layer design, promptly in the design of oil mat textural association, at least the two-layer water-resisting layer that designs or be provided with necessity by dense-graded asphalt concrete, must water between following surface layer and the basic unit and spill priming oil, need be coated with Xian layer oil between the oil mat, to reduce the surface layer infiltration, but it can not fundamentally solve the difficult problem of bituminous pavement water proof anti-seepage, prevent that the way that bituminous pavement oozes from being in its surperficial shutoff under water, make water be difficult to immerse, more difficult immersion asphalt membrane and gather materials between, thereby realize the water stability and the weather resistance of bituminous pavement.In addition, some special road sections, because fuel drop out, solubilized pitches such as gasoline and diesel oil cause building stones surface asphalt membrane to peel off and cause bituminous pavement oil pollution and destruction as service station, parking lot etc.By spraying special oil-repellent at asphalt surface, directly contact with pitch and cause the loose destruction of bituminous pavement, the effect that realization bituminous pavement oil rub resistance dyes thereby reduce gasoline and diesel oil etc.
Summary of the invention
The objective of the invention is to prepare colourless water proof anti-seepage solution, but rapid permeability is to bituminous pavement inside after being sprayed at the bituminous pavement surface, form colourless organic film at asphalt surface after the solvent evaporates, block the hole of connection, prevent that moisture from infiltrating bituminous pavement inside and the requirement of realization anti-water damage, oil rub resistance dyes simultaneously, does not influence visual effect, pavement structural depth and the cling property of bituminous pavement.
The technical scheme that realizes the object of the invention is: the colourless solution that water-proof and oil-repelling agent of colorless organic silicon resin for asphalt road surface is made up of silicone resin solution, permeate agent and tackifier, the mass ratio of its silicone resin solution, permeate agent and tackifier is 92: 2～4: 4～6, described silicone resin solution is the reaction product mixture of Union carbide A-162 and tetraethoxy, dimethyldiethoxysilane, ethanol, alkali lye and water, described permeate agent is an isobutyltriethylsilane, and tackifier are γ-An Bingjisanyiyangjiguiwan.
Described silicone resin solution adopts Union carbide A-162 and tetraethoxy, dimethyldiethoxysilane, ethanol, alkali lye and water, by mass ratio is 56: 3: 7: 13: 1: 20, after at room temperature mixing, be warming up to 70～90 ℃ of reactions and made in 1～2 hour.
Its perviousness can realize that viscosity then can be regulated the consumption of tackifier γ-An Bingjisanyiyangjiguiwan and be realized by the consumption of regulating the permeate agent isobutyltriethylsilane.
The constructional method of water-proof and oil-repelling agent of colorless organic silicon resin for asphalt road surface of the present invention is:
Adopt the emulsified bitumen spraying vehicle to divide when the whole road of the big area width of cloth sprays and carry out for three times, spray along direction of traffic for the first time, consumption is 300g～500g/ square metre, and water-and oil-repellent is at first at the bottom film-forming; After 2～6 hours, carry out the second time along retrograde car direction sprinkling and spray, consumption is 200g～300g/ square metre, makes water-and oil-repellent at the middle part film-forming; Again after 2～6 hours, spray for the third time along the direction of traffic sprinkling, consumption is 300g～400g/ square metre, and water-and oil-repellent has slight trickling at bituminous pavement, make water-and oil-repellent at top, road surface film-forming, after maintenance in 6～8 hours, get final product open to traffic.
Local small area adopts agricultural atomizer when manually spraying, and is for the first time laterally to spray, and consumption is 300g～500g/ square metre; After 2～6 hours, be for the second time vertically to spray, consumption is 200g～300g/ square metre; After 2～6 hours, laterally spray for the third time, consumption is 300g～400g/ square metre again.
The present invention adopts the water penetration test instrument detect to find, use water-and oil-repellent of the present invention after, bituminous pavement does not seep water substantially.Adopt marshall compaction instrument shaping test piece, the two sides is respectively hit real 75 times, and the diameter of test specimen is 101.6 ± 0.25mm after the moulding, and the test specimen height is measured its stability S at 63.5 ± 1.5mm with the Marshall stability instrument
1, the test specimen water-intake rate reduced after test-results showed sprinkling water-and oil-repellent of the present invention, presented waterproof impervious characteristic.The immersion residual stability can bring up to 97.4% by 82.6%, has improved the anti-water damage property of asphalt.With marshall compaction instrument shaping test piece, the test specimen two sides is respectively hit real 50 times, the test specimen diameter is 101.6 ± 0.25mm, the test specimen height is at 63.5 ± 1.5mm, 12 test specimens are divided into three groups, do the freeze thawing split test show spray water-and oil-repellent of the present invention after, the freeze thawing tensile splitting strength is than bringing up to 92.5% by 87.7%, it is reduced by freeze-thaw damage susceptibility.Adopt sand patch method, measure the variation of spraying construction depth before and after the impervious agent, detected result shows that to spray water-and oil-repellent of the present invention little to the influence of bituminous pavement surface texture depth, and the surface structure after the sprinkling is higher than 90% before spraying deeply.
Rolling legal system by T0703-1993 in " highway engineering pitch and asphalt testing regulation " is made 3 rut plate test coupons, the wide 300mm of the long 300 * mm of test specimen * high 50mm does oil rub resistance and dyes test-results and show and spray the oil rub resistance metachromia energy that water-and oil-repellent of the present invention helps to improve asphalt.
Description of drawings
Fig. 1 makes 3 rut plate test coupon oil rub resistances by the rolling legal system of T0703-1993 in " highway engineering pitch and asphalt testing regulation " to dye test-results.
1 for not dealing with test specimen among the figure, and 2 for after spraying water-and oil-repellent of the present invention, again according to 400ml/m
2Amount spray the gasoline test specimen, 3 for pressing 400ml/m
2Amount directly spray the gasoline test specimen, the wide 300mm of the long 300 * mm of three test specimens * high 50mm, its voidage according to the regulation of T 0719-1993, is done wheel tracking test to all test specimens 6～8%.
By Fig. 1 result as seen, the dynamic stability of test specimen 2 is basic and test specimen 1 is approaching, and test specimen 3 compound in process of the test is loose, and dynamic stability sharply descends.Comparative test result shows sprays the oil rub resistance metachromia energy that water-and oil-repellent of the present invention helps to improve asphalt.
Embodiment
Below by example the present invention is further elaborated.
Embodiment 1 and 2
Embodiment 1 and 2 silicone resin solution and the mass ratio of permeate agent and tackifier were respectively 92: 4: 4 and 92: 2: 6, and its water-proof and oil-repelling agent of colorless organic silicon resin for asphalt road surface correlated performance is listed in table 1.By data in the table as can be known, above sample is a homogeneous liquid, is non-emulsion, and centrifugal excellent in stability can not produce layering, does not have insoluble particle simultaneously.Its perviousness, viscosity can realize according to the consumption that reality requires to regulate permeate agent isobutyltriethylsilane and tackifier γ-An Bingjisanyiyangjiguiwan.
Being calculated as follows of water penetration test and infiltration coefficient: smear instrument layer sealing material along infiltration instrument base circled positions, tight while being coated with hand, make the slit of the full test specimen of sealing material embedding surface compound, and be bonded on the test specimen securely.The instrument that will seep water then firmly is pressed on the test specimen sealing material, and turn is once flowed out from base and test specimen surface to prevent pressure water a little.The instrument topped up with water that will seep water is all opened switch rapidly then, when treating liquid level decline 100ml, starts stopwatch immediately, the scale that the record per minute descends, when the underwater drops to 500ml till.If it is very slow to descend, the water percolating capacity of then measuring 3min gets final product.To a certain degree the back is basic keeps inconvenient if reduce under water, illustrates that test specimen does not seep water, and infiltration coefficient is zero.Infiltration coefficient is calculated as follows, if the infiltration overlong time also can adopt the water percolating capacity of 3min to calculate.
Cw＝(V
2-V
1)/(t
2-t
1)
In the formula: the infiltration coefficient of Cw-bitumen mixture specimen, ml/min
V
2-the water yield (being generally 100ml) during reading for the first time, ml
V
1-the water yield (being generally 500ml) during reading for the second time, ml
t
1The time of the reading-first time, min
t
2-time of reading for the second time, min
Embodiment 3
The whole road of the emulsified bitumen spraying vehicle big area width of cloth sprays the water-and oil-repellent of embodiment 2: it is that stress absorbing layer 2.5cm is thick that certain old cement concrete pavement pitch overlays surface layer structure, the voidage of on-the-spot core is 1～3%, middle surface layer is AC-20I, thickness is 6cm, the voidage of on-the-spot core is 4～7%, upper layer is Superpave12.5, and the thickness of on-the-spot core is 4cm, and voidage is 8～10%.The water penetration test instrument detects to be found, nearly 240 meters continuous road surface infiltration is serious, as shown in table 2.Carried out the water-proof and oil-repelling agent of colorless organic silicon resin for asphalt road surface test in place in this highway section, the emulsified bitumen spraying vehicle sprays along direction of traffic for the first time, and its consumption is controlled at 475g/ square metre; Water-and oil-repellent sprays along retrograde car direction and carries out the sprinkling second time at the bottom film-forming after 5 hours, and consumption is 275g/ square metre, makes water-and oil-repellent at the middle part film-forming.After 4 hours, spray for the third time along the direction of traffic sprinkling, consumption is 355g/ square metre again, and water-and oil-repellent has slight trickling at bituminous pavement, and through maintenance in 6～8 hours, water-and oil-repellent was at top, road surface film-forming.Adopt the water penetration test instrument to detect and find, use this water-and oil-repellent after, bituminous pavement does not seep water substantially.The emulsified bitumen spraying vehicle sprays the water-and oil-repellent front and back infiltration coefficient of embodiment 2 and relatively lists in table 2.
Embodiment 4
Adopt the water-and oil-repellent situation of the artificial spray application embodiment 1 of the local small area of agricultural atomizer: adopt the water penetration test instrument to detect and find, because the asphalt road surface local mixture segregation seriously causes local infiltration serious.Adopting agricultural atomizer manually to spray on the local infiltration of these small areas road surface, is for the first time laterally to spray, and consumption is 325g/ square metre; After 3 hours, be for the second time vertically to spray, consumption is 225g/ square metre; After 3 hours, laterally spray for the third time, consumption is 325g/ square metre again.The emulsified bitumen spraying vehicle sprays the water-and oil-repellent front and back infiltration coefficient of embodiment 1 and relatively lists in table 3.
Embodiment 5
The test of asphalt anti-water damage
Judge the asphalt anti-water damage with immersion Marshall residual stability and cleavage strength ratio.China's code requirement Marshall residual stability is greater than 80%, and freeze thawing cleavage strength ratio is greater than 75%.Testing used asphalt is modifying asphalt Superpave12.5 compound, and asphalt content is 4.9%.
1, Marshall residual stability test
Test method is for using marshall compaction instrument shaping test piece, the two sides is respectively hit real 75 times, the diameter of test specimen is 101.6 ± 0.25mm after the moulding, the test specimen height is at 63.5 ± 1.5mm, totally 12 test specimens, be divided into three groups, the method for grouping is to carry out according to the voidage of test specimen, and the average void fraction that guarantees every group of test specimen about equally.One group of constant temperature half an hour in 60 ℃ of water temperatures, measure its stability S with the Marshall stability instrument
1, one group of water-and oil-repellent that sprays embodiment 1 by preceding method is arranged in other two groups after, be positioned in 60 ℃ of water temperatures constant temperature again 48 hours, measure its stability S then
2, calculating residual stability, test-results is listed in table 4.
S
0＝S
2/S
1×100％。
The test specimen water-intake rate reduced after Marshall residual stability test-results showed the sprinkling impervious agent, presented waterproof impervious characteristic.The immersion residual stability can bring up to 97.4% by 82.6%, has improved the anti-water damage property of asphalt.
2, freeze thawing split test
Freeze thawing split test marshall compaction instrument shaping test piece, the test specimen two sides is respectively hit real 50 times, the test specimen diameter is 101.6 ± 0.25mm, the test specimen height is at 63.5 ± 1.5mm, 12 test specimens are divided into three groups, the method of grouping is to carry out according to the voidage of test specimen, and the average void fraction that guarantees every group of test specimen about equally.After one group of water-and oil-repellent by preceding method sprinkling embodiment 1 is arranged, again with other one group of test specimen 25 ℃ of immersions, 0.09Mpa vacuumized about 15 minutes, taking-up is frozen test specimen 16 hours-18 ℃ of refrigerator and cooled, be placed on after the taking-up in 60 ℃ of water-baths and be incubated 24 hours, insulation in 25 ℃ of water of the whole immersions of three groups of test specimens is no less than 2 hours, carries out split test, the fully-factored load that obtains testing respectively.The freeze thawing split test the results are shown in table 5.Freeze thawing tensile splitting strength ratio calculating method:
TSR＝(R
T2/R
T1)×100％
In the formula: TSR-freeze thawing split test strength ratio, %;
R
T2The tensile splitting strength of-freeze-thaw cycle test specimen, Mpa;
R
T1The tensile splitting strength of-conventional test specimen, Mpa.
The freeze thawing tensile splitting strength is subjected to ice and snow freeze-thaw damage degree than the reflection bituminous concrete, and its value is big more, and the freeze-thaw damage degree is crossed little.Sprayed one group of freeze thawing tensile splitting strength ratio of the water-and oil-repellent of embodiment 1 and brought up to 92.5%, shown that it is reduced by freeze-thaw damage susceptibility by 87.7%.
Embodiment 6
The test of bituminous pavement construction depth
Sand patch method is adopted in this test, measure the variation of the water-and oil-repellent front and back construction depth that sprays embodiment 2, operation steps is as follows: the standard sand of known volume is paved on bituminous pavement, be stained with dull and stereotyped as far as possible sand being pushed away of pushing away of sheet rubber with the bottom and equal into a circle, measure the diameter of round vertical direction, average, the volume of sand is the construction depth on road surface with the ratio of the round average area that paves.Surface texture depth TD is calculated as follows:
TD＝1000V/(JID
2/4)
In the formula: TD-mix surface construction depth, mm
The volume of V-sand, 25cm
3
D-shakeouts the mean diameter of sand, mm
The construction depth detected result is listed in table 6, shows that to spray impervious agent little to the influence of bituminous pavement surface texture depth, and the surface structure after the sprinkling is higher than 90% before spraying deeply.
Embodiment 7
Oil rub resistance dyes test
Rolling legal system by T0703-1993 in " highway engineering pitch and asphalt testing regulation " is made 3 rut plate test coupons, the wide 300mm of the long 300 * mm of test specimen * high 50mm, and its voidage is 6～8%.First test specimen do not deal with, after second test specimen sprays the water-and oil-repellent of embodiment 2, again according to 400ml/m
2Amount spray gasoline, the 3rd test specimen pressed 400ml/m
2Amount directly spray gasoline, according to the regulation of T0719-1993, all test specimens are done wheel tracking test then.Test-results is seen Fig. 1.The dynamic stability of test specimen 2 is basic and test specimen 1 is approaching, and test specimen 3 compound in process of the test is loose, and dynamic stability sharply descends.Comparative test result shows sprays the oil rub resistance metachromia energy that oil-repellent helps to improve asphalt.
In addition, used water-and oil-repellent is a colourless solution, and bituminous pavement is not played painted effect, thereby can not change the bituminous pavement color and influence driver's visual effect
Table 1 water-proof and oil-repelling agent of colorless organic silicon resin for asphalt road surface correlated performance
| The mass ratio of silicone resin solution, permeate agent and tackifier | |||
| Embodiment 1 | Embodiment 2 | ||
| Project | 92∶4∶4 | 92∶2∶6 | Test basis |
| Centrifugal stability (%) | 0 | 0 | 3000rpm，15min |
| Fineness (μ) | Homogeneous liquid | Homogeneous liquid | The microscope reading |
| Viscosity (mPa.S) | 5.0 | 26.5 | The Brookfield rotational viscosimeter, 25 ℃ |
| Cohesive strength (MPa) | 0.25 | 0.45 | GB-T 16777-1997 |
| Impervious pressure (MPa) | 1.5 | 1.2 | JC-T 894-2001 |
Infiltration coefficient relatively before and after table 2 emulsified bitumen spraying vehicle sprayed
| Pile No. | Before the application | After spraying three times |
| (ml/min) | ||
| k284+600 | 165 | 0 |
| k284+620 | 300 | 8 |
| k284+640 | 280 | 7 |
| k284+660 | 320 | 0 |
| k284+685 | 310 | 10 |
| k284+700 | 270 | 5 |
| k284+720 | 120 | 0 |
| k284+750 | 200 | 3 |
| k284+770 | 160 | 0 |
| k284+800 | 270 | 13 |
| k284+820 | 230 | 12 |
| k284+835 | 180 | 0 |
Infiltration coefficient relatively before and after the local small area of table 3 manually sprayed
| Pile No. | Before the application | After spraying three times |
| (ml/min) | ||
| K135+315 | 235 | 0 |
| K137+416 | 345 | 4 |
| K140+258 | 246 | 0 |
| K141+105 | 297 | 5 |
| K142+125 | 237 | 0 |
| K143+542 | 340 | 3 |
| K145+050 | 139 | 0 |
| K146+640 | 215 | 0 |
| K149+520 | 308 | 10 |
| K152+325 | 287 | 0 |
| K158+180 | 257 | 0 |
| K169+740 | 216 | 0 |
Table 4 Marshall residual stability test-results
| Project | Numbering | Water-intake rate % | Voidage % | Stability KN | The immersion residual stability |
| The standard Marshall | 1 | 0.53 | 4.5 | 15.6 | ＿＿ |
| 2 | 0.67 | 4.8 | 15.7 | ||
| 3 | 0.58 | 4.2 | 15.3 | ||
| 4 | 0.69 | 4.6 | 16.4 | ||
| Mean value | 0.62 | 4.5 | 15.8 | ||
| The immersion Marshall | 1 | 0.75 | 4.5 | 12.6 | MS 0＝12.8/15.5×100 ％ ＝82.6％ |
| 2 | 0.61 | 4.7 | 12.9 | ||
| 3 | 0.69 | 4.6 | 12.3 | ||
| 4 | 0.72 | 4.2 | 13.5 | ||
| Mean value | 0.69 | 4.5 | 12.8 | ||
| Spray water-and oil-repellent immersion Marshall | 1 | 0.08 | 4.3 | 15.3 | MS 0＝15.1/15.5×100 ％ ＝97.4％ |
| 2 | 0.18 | 5.1 | 14.5 | ||
| 3 | 0.18 | 4.8 | 14.8 | ||
| 4 | 0.16 | 4.8 | 15.9 | ||
| Mean value | 0.15 | 4.8 | 15.1 |
Table 5 freeze thawing split test result
| Project | Numbering | Water-intake rate % | Voidage % | Load value KN | Cleavage strength MPa | Cleavage strength compares % |
| Conventional splitting | 1 | 0.77 | 7.0 | 10.23 | 1.03 | ＿＿ |
| 2 | 0.71 | 6.7 | 10.04 | 1.06 | ||
| 3 | 0.74 | 7.2 | 11.00 | 1.12 | ||
| 4 | 0.70 | 6.8 | 10.42 | 1.07 | ||
| Mean value | 0.73 | 6.9 | - | 1.07 | ||
| The freeze thawing splitting | 1 | 0.76 | 7.1 | 9.53 | 0.90 | TSR 1＝(R 2/R 1)×100％ ＝0.93/1.06×100％ ＝87.7％ |
| 2 | 0.75 | 6.8 | 9.3 | 0.93 | ||
| 3 | 0.73 | 7.2 | 9.11 | 0.94 | ||
| 4 | 0.67 | 6.5 | 9.46 | 0.94 | ||
| Mean value | 0.73 | 6.9 | - | 0.93 | ||
| Spray water-and oil-repellent freeze thawing splitting | 1 | 0.04 | 7.2 | 9.58 | 0.95 | TSR 2＝(R 3/R 1)×100％ ＝0.98/1.06×100％ ＝92.5％ |
| 2 | 0.08 | 6.7 | 9.86 | 0.97 | ||
| 3 | 0.04 | 6.9 | 10.53 | 1.04 | ||
| 4 | 0.16 | 7.4 | 9.76 | 0.96 | ||
| Mean value | 0.08 | 7.1 | - | 0.98 |
Table 6 construction depth detected result
| Pile No. | Before the processing | After the processing |
| (mm) | ||
| k284+600 | 0.75 | 0.70 |
| k284+620 | 0.72 | 0.66 |
| k284+640 | 0.76 | 0.68 |
| k284+660 | 0.79 | 0.70 |
| k284+685 | 0.81 | 0.72 |
| k284+700 | 0.86 | 0.81 |
| k284+720 | 0.80 | 0.76 |
| k284+750 | 0.78 | 0.71 |
| k284+770 | 0.82 | 0.75 |
| k284+800 | 0.92 | 0.84 |
| k284+820 | 0.72 | 0.68 |
| k284+835 | 0.84 | 0.77 |
| Mean value | 0.80 | 0.73 |
Claims (3)
1, a kind of water-proof and oil-repelling agent of colorless organic silicon resin for asphalt road surface, it is characterized in that by silicone resin solution, the colourless solution that permeate agent and tackifier are formed, its silicone resin solution, the mass ratio of permeate agent and tackifier is 92: 2～4: 4～6, described silicone resin solution is to adopt Union carbide A-162 and tetraethoxy, dimethyldiethoxysilane, ethanol, alkali lye and water are 56: 3: 7 by mass ratio: after at room temperature mixing at 13: 1: 20, be warming up to 1～2 hour products therefrom of 70～90 ℃ of reactions, described permeate agent is an isobutyltriethylsilane, and tackifier are γ-An Bingjisanyiyangjiguiwan.
2, the constructional method of the described water-and oil-repellent of claim 1 is characterized in that:
Adopt the emulsified bitumen spraying vehicle to divide when the whole road of the big area width of cloth sprays and carry out for three times, spray along direction of traffic for the first time, consumption is 300g～500g/ square metre, and water-and oil-repellent is at first at the bottom film-forming; After 2～6 hours, carry out the second time along retrograde car direction sprinkling and spray, consumption is 200g～300g/ square metre, makes water-and oil-repellent at the middle part film-forming; Again after 2～6 hours, spray for the third time along the direction of traffic sprinkling, consumption is 300g～400g/ square metre, and water-and oil-repellent has slight trickling at bituminous pavement, make water-and oil-repellent at top, road surface film-forming, after maintenance in 6～8 hours, get final product open to traffic.
3, the constructional method of the described water-and oil-repellent of claim 1 is characterized in that adopting agricultural atomizer when local small area manually sprays, and is for the first time laterally to spray, and consumption is 300g～500g/ square metre; After 2～6 hours, be for the second time vertically to spray, consumption is 200g～300g/ square metre; After 2～6 hours, laterally spray for the third time, consumption is 300g～400g/ square metre again.
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| CN100396714C (en) * | 2006-02-27 | 2008-06-25 | 中蓝晨光化工研究院 | Synthesis of organosilicon resin |
| CN101624268B (en) * | 2009-08-07 | 2012-02-08 | 武汉理工大学 | Treatment agent of recycled aggregate of waste concrete and treatment method |
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