CN103951991B - Special multi-modified asphalt, pressing belt and its preparation method and using method - Google Patents
Special multi-modified asphalt, pressing belt and its preparation method and using method Download PDFInfo
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- CN103951991B CN103951991B CN201410179387.1A CN201410179387A CN103951991B CN 103951991 B CN103951991 B CN 103951991B CN 201410179387 A CN201410179387 A CN 201410179387A CN 103951991 B CN103951991 B CN 103951991B
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Abstract
<b>the present invention relates to asphalt pavement conserving pressing belt technical field, be a kind of special multi-modified asphalt, pressing belt and its preparation method and using method, this special multi-modified asphalt obtains in the steps below: by the matrix pitch of requirement, furfural,</b><b>sBS</b><b>properties-correcting agent, sulphur and montmorillonite powder be the obtained special multi-modified asphalt of mix and blend at a certain temperature; The pressing belt of this use special multi-modified asphalt obtains in the steps below: special multi-modified asphalt is coated on tire base cloth and overlay film obtain pressing belt. The pressing belt prepared by special multi-modified asphalt in the present invention has good high-temperature behavior and low-temperature performance relative to commercially available pressing belt, it is possible to adapt to high temperature area road with requiring, meanwhile, temperature be-</b><b>41</b><b>dEG C time, the pressing belt in the present invention has good low temperature extensibility, and the pressing belt in the present invention is simple to operate, it is not necessary to equipment, crack paste after can be open to traffic, it is possible to repair crack anywhere or anytime, have widely development and application prospect.</b>
Description
Technical field
The present invention relates to asphalt pavement conserving pressing belt technical field, it is a kind of special multi-modified asphalt, pressing belt and its preparation method and using method.
Background technology
Crack is the inevitable a kind of destruction of bituminous pavement, and the degree that just different crack on road occurs is different. The normal use on highway that produces in crack causes disadvantageous impact, and therefore, carrying out crack repairing in time is the effective means extending highway work-ing life, and adopting pressing belt to be repaired in crack at present is a kind of simple means. For summer high temperature area and winter severe cold area, the generation frequency in the crack of bituminous pavement and harm are particularly serious, and the quality requirements for pressing belt is higher, thus meets the curing requirements of this area's highway. And pressing belt commercially available at present exists and comes off and cracking phenomena in summer high temperature area and winter severe cold area use procedure, pressing belt is caused in use to occur coming off and the reason of cracking phenomena is that the high-temperature behavior deficiency of pressing belt and low-temperature performance are not good.
Summary of the invention
The present invention provides a kind of special multi-modified asphalt, pressing belt and its preparation method and using method, overcoming the deficiency of above-mentioned prior art, it can effectively solve the problem that high-temperature behavior is not enough and low-temperature performance is not good that existing pressing belt in use exists.
One of technical scheme of the present invention is realized by following measure: a kind of special multi-modified asphalt, and raw material comprises the montmorillonite powder of the matrix pitch of 100 parts, the furfural of 8 parts to 15 parts, the SBS modifier of 8 parts to 12 parts, the sulphur of 1 part to 1.5 parts and 8 parts to 15 parts; This special multi-modified asphalt obtains in the steps below: the first step, the matrix pitch of requirement is carried out preheating, the temperature of preheating is 130 DEG C to 140 DEG C, continue the matrix pitch after preheating to be heated to 180 DEG C to 185 DEG C, in the matrix pitch after heating, add the furfural of requirement and stir, obtain after stirring stirring liquid; 2nd step, to stirring in liquid the SBS modifier adding requirement and obtain swelling solution after stirring, wherein: whipping temp is 180 DEG C to 185 DEG C, churning time is 3.5 little of 4.5 hours; 3rd step, adds the sulphur of requirement in swelling solution and stirs, and obtains stable liquid after stirring; 4th step, grinds stable liquid, obtains a lapping liquid after grinding; 5th step, in a lapping liquid, add the montmorillonite powder of requirement and stir, pitch mixed solution is obtained after stirring, pitch mixed solution is ground, two lapping liquids are obtained after grinding, special multi-modified asphalt is obtained, wherein: churning time is 2 little of 2.5 hours after the temperature of two lapping liquids is down to 140 DEG C to 145 DEG C.
Here is the further optimization and/or improvements to one of foregoing invention technical scheme:
Above-mentioned matrix pitch can be 90# Kelamayi pitch; Or/and, SBS modifier is SBS1301 properties-correcting agent or the SBST6302 properties-correcting agent of linear structure; Or/and, in the 2nd step, add SBS modifier to stirring in liquid with the speed of 125 kg/min to 200 kg/min; Or/and, in the first step, the speed of stirring is 55 revs/min to 60 revs/min; Or/and, in the 2nd step, the speed of stirring is 55 revs/min to 60 revs/min; Or/and, in the 3rd step, the speed of stirring is 55 revs/min to 60 revs/min; Or/and, in the 5th step, the speed of stirring is 55 revs/min to 60 revs/min.
The two of the technical scheme of the present invention are realized by following measure: the preparation method of a kind of special multi-modified asphalt, raw materials by weight portion meter, raw material comprises the montmorillonite powder of the matrix pitch of 100 parts, the furfural of 8 parts to 15 parts, the SBS modifier of 8 parts to 12 parts, the sulphur of 1 part to 1.5 parts and 8 parts to 15 parts; The preparation method of this special multi-modified asphalt carries out in the steps below: the first step, the matrix pitch of requirement is carried out preheating, the temperature of preheating is 130 DEG C to 140 DEG C, continue the matrix pitch after preheating to be heated to 180 DEG C to 185 DEG C, in the matrix pitch after heating, add the furfural of requirement and stir, obtain after stirring stirring liquid; 2nd step, to stirring in liquid the SBS modifier adding requirement and obtain swelling solution after stirring, wherein: whipping temp is 180 DEG C to 185 DEG C, churning time is 3.5 little of 4.5 hours; 3rd step, adds the sulphur of requirement in swelling solution and stirs, and obtains stable liquid after stirring; 4th step, grinds stable liquid, obtains a lapping liquid after grinding; 5th step, in a lapping liquid, add the montmorillonite powder of requirement and stir, pitch mixed solution is obtained after stirring, pitch mixed solution is ground, two lapping liquids are obtained after grinding, special multi-modified asphalt is obtained, wherein: churning time is 2 little of 2.5 hours after the temperature of two lapping liquids is down to 140 DEG C to 145 DEG C.
Here is the further optimization and/or improvements of two to foregoing invention technical scheme:
Above-mentioned matrix pitch can be 90# Kelamayi pitch; Or/and, SBS modifier is SBS1301 properties-correcting agent or the SBST6302 properties-correcting agent of linear structure; Or/and, in the 2nd step, add SBS modifier to stirring in liquid with the speed of 125 kg/min to 200 kg/min; Or/and, in the first step, the speed of stirring is 55 revs/min to 60 revs/min; Or/and, in the 2nd step, the speed of stirring is 55 revs/min to 60 revs/min; Or/and, in the 3rd step, the speed of stirring is 55 revs/min to 60 revs/min; Or/and, in the 5th step, the speed of stirring is 55 revs/min to 60 revs/min.
The three of the technical scheme of the present invention are realized by following measure: a kind of pressing belt using special multi-modified asphalt, obtain in the steps below: the first step, special multi-modified asphalt is coated in front and the reverse side of tire base cloth, tire base cloth after coated by special modifying asphalt is cooled, wherein: the thickness of the tire base cloth after coated by special modifying asphalt is 2.5mm to 4mm, the temperature of cooling is 0 DEG C to 40 DEG C; 2nd step, the tire base cloth front after coated by special modifying asphalt, by the silicone oil bonding mono-silicon fiml of CPET, obtains pressing belt after the tire base cloth reverse side bonding polyethylene film after coated by special modifying asphalt.
Here is the further optimization and/or improvements of three to foregoing invention technical scheme:
In the above-mentioned the first step, all can be equal at the thickness in the front of tire base cloth with reverse side coated by special modifying asphalt; Or/and, tire base cloth is traction-resistant fibre cloth; Or/and, the pressing belt that the 2nd step obtains is cut into that length is 30 meters, width is the pressing belt of 12cm, and talcum powder is smeared in the cutting face after pressing belt cutting.
The four of the technical scheme of the present invention are realized by following measure: the preparation method of a kind of pressing belt, carry out in the steps below: the first step, special multi-modified asphalt is coated in front and the reverse side of tire base cloth, tire base cloth after coated by special modifying asphalt is cooled, wherein: the thickness of the tire base cloth after coated by special modifying asphalt is 2.5mm to 4mm, the temperature of cooling is 0 DEG C to 40 DEG C; 2nd step, the tire base cloth front after coated by special modifying asphalt, by the silicone oil bonding mono-silicon fiml of CPET, obtains pressing belt after the tire base cloth reverse side bonding polyethylene film after coated by special modifying asphalt.
Here is the further optimization and/or improvements of four to foregoing invention technical scheme:
In the above-mentioned the first step, all can be equal at the thickness in the front of tire base cloth with reverse side coated by special modifying asphalt; Or/and, tire base cloth is traction-resistant fibre cloth; Or/and, the pressing belt that the 2nd step obtains is cut into that length is 30 meters, width is the pressing belt of 12cm, and talcum powder is smeared in the cutting face after pressing belt cutting.
The five of the technical scheme of the present invention are realized by following measure: the using method of a kind of pressing belt, carry out in the steps below: the first step, by clean for the fracture plane cleaning around crack; 2nd step, takes the mono-silicon fiml of CPET in pressing belt front off, is then bonded on fracture plane by the pressing belt taking the mono-silicon fiml of CPET off, and crack is positioned at the central authorities of pressing belt, and the lap width of the pressing belt on both sides, crack is 1.5 centimetres to 2 centimetres.
Here is the further optimization and/or improvements of five to foregoing invention technical scheme:
When the above-mentioned width when crack or the degree of depth are 0.5 centimetre to 8 centimetres, after the first step with the 2nd step before, crack can be carried out joint filling.
The pressing belt prepared by special multi-modified asphalt in the present invention has good high-temperature behavior and low-temperature performance relative to commercially available pressing belt, the road that can adapt to high temperature area is with requiring, simultaneously, when temperature is-41 DEG C, the pressing belt in the present invention has good low temperature extensibility, and the pressing belt in the present invention is simple to operate, without the need to equipment, crack can be open to traffic after pasting, it is possible to repairs crack anywhere or anytime, has development and application prospect widely.
Embodiment
The present invention by the restriction of following embodiment, can not determine concrete enforcement mode according to the technical scheme of the present invention and practical situation.
Below in conjunction with embodiment, the invention will be further described:
Embodiment 1: this special multi-modified asphalt, raw materials by weight portion meter comprises the montmorillonite powder of the matrix pitch of 100 parts, the furfural of 8 parts to 15 parts, the SBS modifier of 8 parts to 12 parts, the sulphur of 1 part to 1.5 parts and 8 parts to 15 parts; This special multi-modified asphalt obtains in the steps below: the first step, the matrix pitch of requirement is carried out preheating, the temperature of preheating is 130 DEG C to 140 DEG C, continue the matrix pitch after preheating to be heated to 180 DEG C to 185 DEG C, in the matrix pitch after heating, add the furfural of requirement and stir, obtain after stirring stirring liquid; 2nd step, to stirring in liquid the SBS modifier adding requirement and obtain swelling solution after stirring, wherein: whipping temp is 180 DEG C to 185 DEG C, churning time is 3.5 little of 4.5 hours; 3rd step, adds the sulphur of requirement in swelling solution and stirs, and obtains stable liquid after stirring; 4th step, grinds stable liquid, obtains a lapping liquid after grinding; 5th step, in a lapping liquid, add the montmorillonite powder of requirement and stir, pitch mixed solution is obtained after stirring, pitch mixed solution is ground, two lapping liquids are obtained after grinding, special multi-modified asphalt is obtained, wherein: churning time is 2 little of 2.5 hours after the temperature of two lapping liquids is down to 140 DEG C to 145 DEG C.
Embodiment 2: this special multi-modified asphalt, raw materials by weight portion meter comprises the montmorillonite powder of the matrix pitch of 100 parts, the furfural of 8 parts or 15 parts, the SBS modifier of 8 parts or 12 parts, the sulphur of 1 part or 1.5 parts and 8 parts or 15 parts; This special multi-modified asphalt obtains in the steps below: the first step, the matrix pitch of requirement is carried out preheating, the temperature of preheating is 130 DEG C or 140 DEG C, continue the matrix pitch after preheating to be heated to 180 DEG C or 185 DEG C, in the matrix pitch after heating, add the furfural of requirement and stir, obtain after stirring stirring liquid; 2nd step, to stirring the SBS modifier adding requirement in liquid and obtain swelling solution after stirring, wherein: whipping temp is 180 DEG C or 185 DEG C, churning time is 3.5 hours or 4.5 hours; 3rd step, adds the sulphur of requirement in swelling solution and stirs, and obtains stable liquid after stirring; 4th step, grinds stable liquid, obtains a lapping liquid after grinding; 5th step, in a lapping liquid, add the montmorillonite powder of requirement and stir, pitch mixed solution is obtained after stirring, pitch mixed solution is ground, two lapping liquids are obtained after grinding, special multi-modified asphalt is obtained, wherein: churning time is 2 hours or 2.5 hours after the temperature of two lapping liquids is down to 140 DEG C or 145 DEG C.
Embodiment 3: be with the difference of above-described embodiment, matrix pitch is 90# Kelamayi pitch; Or/and, SBS modifier is SBS1301 properties-correcting agent or the SBST6302 properties-correcting agent of linear structure; Or/and, in the 2nd step, add SBS modifier to stirring in liquid with the speed of 125 kg/min to 200 kg/min; Or/and, in the first step, the speed of stirring is 55 revs/min to 60 revs/min; Or/and, in the 2nd step, the speed of stirring is 55 revs/min to 60 revs/min; Or/and, in the 3rd step, the speed of stirring is 55 revs/min to 60 revs/min; Or/and, in the 5th step, the speed of stirring is 55 revs/min to 60 revs/min
Embodiment 4: the pressing belt of this use special multi-modified asphalt, obtain in the steps below:: the first step, special multi-modified asphalt is coated in front and the reverse side of tire base cloth, tire base cloth after coated by special modifying asphalt is cooled, wherein: the thickness of the tire base cloth after coated by special modifying asphalt is 2.5mm to 4mm, the temperature of cooling is 0 DEG C to 40 DEG C; 2nd step, the tire base cloth front after coated by special modifying asphalt, by the silicone oil bonding mono-silicon fiml of CPET, obtains pressing belt after the tire base cloth reverse side bonding polyethylene film after coated by special modifying asphalt. Pressing belt in the present invention can be used in the punishment in the various cracks (comprising reflection crack) of cement, steel plate, bituminous pavement, pitting groove, well lid, also can be used for the crack before sealing the constructions such as layer cover to punish in advance, the pressing belt region adopting the pressing belt in the present invention to repair can not form depression, do not produce ponding to freeze, do not ftracture, stop water and enter crack from gap, pressing belt and crack area in the present invention form closely knit linker, crackle preventing produce loose, collapse limit, collapse seam, crackle preventing continues to worsen into the serious plant disease such as hole groove.
Embodiment 5: the pressing belt of this use special multi-modified asphalt, obtain in the steps below: the first step, special multi-modified asphalt is coated in front and the reverse side of tire base cloth, tire base cloth after coated by special modifying asphalt is cooled, wherein: the thickness of the tire base cloth after coated by special modifying asphalt is 2.5mm or 4mm, the temperature of cooling is 0 DEG C or 40 DEG C; 2nd step, the tire base cloth front after coated by special modifying asphalt, by the silicone oil bonding mono-silicon fiml of CPET, obtains pressing belt after the tire base cloth reverse side bonding polyethylene film after coated by special modifying asphalt.
Embodiment 6: be with the difference of above-described embodiment 4 and embodiment 5 is in the first step, all equal with the thickness of reverse side coated by special modifying asphalt in the front of tire base cloth; Or/and, tire base cloth is traction-resistant fibre cloth; Or/and, the pressing belt that the 2nd step obtains is cut into that length is 30 meters, width is the pressing belt of 12cm, and talcum powder is smeared in the cutting face after pressing belt cutting.
Embodiment 7: the using method of this pressing belt, carries out: the first step in the steps below, by clean for the fracture plane cleaning around crack; 2nd step, takes the mono-silicon fiml of CPET in pressing belt front off, is then bonded on fracture plane by the pressing belt taking the mono-silicon fiml of CPET off, and crack is positioned at the central authorities of pressing belt, and the lap width of the pressing belt on both sides, crack is 1.5 centimetres to 2 centimetres. Pressing belt in the present invention is simple to operate, without the need to equipment, crack can be open to traffic after pasting, and adopts the pressing belt in the present invention can repair crack anywhere or anytime, road surface need not be waited to have just punish during a large amount of crack, the further destruction that road is produced by instant crackle preventing.
Embodiment 8: the using method of this pressing belt, carries out: the first step in the steps below, by clean for the fracture plane cleaning around crack; 2nd step, takes the mono-silicon fiml of CPET in pressing belt front off, is then bonded on fracture plane by the pressing belt taking the mono-silicon fiml of CPET off, and crack is positioned at the central authorities of pressing belt, and the lap width of the pressing belt on both sides, crack is 1.5 centimetres or 2 centimetres.
Embodiment 9: be with the difference of above-described embodiment 7 and embodiment 8, when the width in crack or the degree of depth are 0.5 centimetre to 8 centimetres, after the first step with the 2nd step before, crack is carried out joint filling.
The pressing belt obtained according to the above embodiment of the present invention is carried out high-temperature behavior test, high-temperature behavior test-results is as shown in table 1, and the low-temperature performance of the low-temperature performance of the pressing belt obtained according to the above embodiment of the present invention and commercially available pressing belt being contrasted, correlation data is as shown in table 2.
High-temperature behavior is tested
The high-temperature behavior of pressing belt is mainly evaluated by producing the high-temperature behavior of the main raw of pressing belt, as long as main raw reaches actual road with requiring, then this pressing belt can meet requirement, therefore the high temperature evaluation of pressing belt only carries out for its main raw, the main raw of the pressing belt in the present invention is special multi-modified asphalt and traction-resistant fibre cloth, the technical indicator of special multi-modified asphalt adopts the evaluation method of existing modifying asphalt to evaluate, and the evaluation test result of the special multi-modified asphalt of the present invention and the product technology of existing modifying asphalt require as shown in table 1.
Table 1
| Softening temperature/DEG C | Penetration degree (25 DEG C, 100g5s), 0.1mm | Degree of prolonging (5 DEG C, 5cm/min) cm | Flash-point DEG C | |
| Special multi-modified asphalt of the present invention | 97 | 95 | 80 | > 230 |
| Existing modifying asphalt | ��85 | ��60 | ��30 | ��230 |
Note: the mensuration of softening temperature performs according to pitch softening point T0606, penetration test performs according to Asphalt Penetration T0604, and the mensuration of degree of prolonging performs according to bitumen ductility T0605, and flashing test performs according to pitch flash-point T0611.
As can be seen from the data in table 1, the softening temperature of special multi-modified asphalt of the present invention, penetration degree, Yan Du and flash-point all reach the product technology requirement of existing modifying asphalt, can find out simultaneously, the penetration degree of special multi-modified asphalt of the present invention is 95, illustrate that special multi-modified asphalt of the present invention is more soft, the softening temperature of special multi-modified asphalt of the present invention reaches 97 DEG C, illustrate that special multi-modified asphalt of the present invention has good resistance to elevated temperatures, in addition, traction-resistant fibre cloth can stand the high temperature of more than 200 DEG C, and the pressing belt thus illustrated in the present invention has good resistance to elevated temperatures.
Low-temperature performance is tested
In low-temperature performance is tested, low-temperature performance test is carried out using the pressing belt in the present invention as test group, commercially available pressing belt is carried out as a control group low-temperature performance test, the maximum pulling force mean value (Fb/KN) that testing experiment group and control group can bear when temperature is-41 DEG C respectively, maximum tension stress mean value (Re/MPa) under maximum pulling force and the unit elongation mean value (Agt/%) under maximum pulling force, the maximum pulling force mean value of test group and control group, maximum tension stress mean value under maximum pulling force and the unit elongation mean value under maximum pulling force are as shown in table 2.
Table 2
| Fb/ KN | (Agt/%) | Re/MPa | |
| Test group | 1.95 | 78.85 | 6.00 |
| Control group | 1.24 | 24.00 | 8.09 |
As can be seen from Table 2, test group is when maximum tension stress is 1.95KN, maximum tension stress mean value is 6.00MPa, unit elongation mean value is 78.85%, and control group is when maximum tension stress is 1.24KN, and maximum tension stress mean value is 8.09MPa, unit elongation mean value is 24.00%, illustrate that the pressing belt of test group has bigger low temperature tensile strength for the pressing belt of control group, there is good low temperature extensibility, namely there is good low-temperature performance.
In sum, pressing belt in the present invention has good high-temperature behavior and low-temperature performance relative to commercially available pressing belt, the road that can adapt to high temperature area with requiring, meanwhile, when temperature is-41 DEG C, pressing belt in the present invention has good low temperature extensibility, pressing belt in the present invention is simple to operate, it is not necessary to equipment, and crack can be open to traffic after pasting, crack can be repaired anywhere or anytime, there is development and application prospect widely.
Above technology structural feature embodiments of the invention, it has stronger adaptability and implementation result, can increase and decrease the technology feature of non-necessity according to actual needs, meet the demand of different situations.
Claims (8)
1. a special multi-modified asphalt, it is characterised in that raw materials by weight portion meter comprises the montmorillonite powder of the matrix pitch of 100 parts, the furfural of 8 parts to 15 parts, the SBS modifier of 8 parts to 12 parts, the sulphur of 1 part to 1.5 parts and 8 parts to 15 parts; This special multi-modified asphalt obtains in the steps below: the first step, the matrix pitch of requirement is carried out preheating, the temperature of preheating is 130 DEG C to 140 DEG C, continue the matrix pitch after preheating to be heated to 180 DEG C to 185 DEG C, in the matrix pitch after heating, add the furfural of requirement and stir, obtain after stirring stirring liquid; 2nd step, to stirring in liquid the SBS modifier adding requirement and obtain swelling solution after stirring, wherein: whipping temp is 180 DEG C to 185 DEG C, churning time is 3.5 little of 4.5 hours; 3rd step, adds the sulphur of requirement in swelling solution and stirs, and obtains stable liquid after stirring; 4th step, grinds stable liquid, obtains a lapping liquid after grinding; 5th step, in a lapping liquid, add the montmorillonite powder of requirement and stir, pitch mixed solution is obtained after stirring, pitch mixed solution is ground, two lapping liquids are obtained after grinding, special multi-modified asphalt is obtained, wherein: churning time is 2 little of 2.5 hours after the temperature of two lapping liquids is down to 140 DEG C to 145 DEG C; Wherein: matrix pitch is 90# Kelamayi pitch; SBS modifier is SBS1301 properties-correcting agent or the SBST6302 properties-correcting agent of linear structure; In 2nd step, add SBS modifier to stirring in liquid with the speed of 125 kg/min to 200 kg/min; In the first step, the speed of stirring is 55 revs/min to 60 revs/min; In 2nd step, the speed of stirring is 55 revs/min to 60 revs/min; In 3rd step, the speed of stirring is 55 revs/min to 60 revs/min; In 5th step, the speed of stirring is 55 revs/min to 60 revs/min.
2. the preparation method of a special multi-modified asphalt according to claim 1, it is characterised in that raw materials by weight portion meter comprises the montmorillonite powder of the matrix pitch of 100 parts, the furfural of 8 parts to 15 parts, the SBS modifier of 8 parts to 12 parts, the sulphur of 1 part to 1.5 parts and 8 parts to 15 parts; The preparation method of this special multi-modified asphalt carries out in the steps below: the first step, the matrix pitch of requirement is carried out preheating, the temperature of preheating is 130 DEG C to 140 DEG C, continue the matrix pitch after preheating to be heated to 180 DEG C to 185 DEG C, in the matrix pitch after heating, add the furfural of requirement and stir, obtain after stirring stirring liquid; 2nd step, to stirring in liquid the SBS modifier adding requirement and obtain swelling solution after stirring, wherein: whipping temp is 180 DEG C to 185 DEG C, churning time is 3.5 little of 4.5 hours; 3rd step, adds the sulphur of requirement in swelling solution and stirs, and obtains stable liquid after stirring; 4th step, grinds stable liquid, obtains a lapping liquid after grinding; 5th step, in a lapping liquid, add the montmorillonite powder of requirement and stir, pitch mixed solution is obtained after stirring, pitch mixed solution is ground, two lapping liquids are obtained after grinding, special multi-modified asphalt is obtained, wherein: churning time is 2 little of 2.5 hours after the temperature of two lapping liquids is down to 140 DEG C to 145 DEG C.
3. one kind uses the pressing belt of the special multi-modified asphalt described in claim 1, it is characterized in that obtaining in the steps below: the first step, special multi-modified asphalt is coated in front and the reverse side of tire base cloth, tire base cloth after coated by special modifying asphalt is cooled, wherein: the thickness of the tire base cloth after coated by special modifying asphalt is 2.5mm to 4mm, the temperature of cooling is 0 DEG C to 40 DEG C; 2nd step, the tire base cloth front after coated by special modifying asphalt, by the silicone oil bonding mono-silicon fiml of CPET, obtains pressing belt after the tire base cloth reverse side bonding polyethylene film after coated by special modifying asphalt.
4. pressing belt according to claim 3, it is characterised in that in the first step is all equal with the thickness of reverse side coated by special modifying asphalt in the front of tire base cloth; Or/and, tire base cloth is traction-resistant fibre cloth; Or/and, the pressing belt that the 2nd step obtains is cut into that length is 30 meters, width is the pressing belt of 12cm, and talcum powder is smeared in the cutting face after pressing belt cutting.
5. the preparation method of a pressing belt according to claim 3 or 4, it is characterized in that carrying out in the steps below: the first step, special multi-modified asphalt is coated in front and the reverse side of tire base cloth, tire base cloth after coated by special modifying asphalt is cooled, wherein: the thickness of the tire base cloth after coated by special modifying asphalt is 2.5mm to 4mm, the temperature of cooling is 0 DEG C to 40 DEG C; 2nd step, the tire base cloth front after coated by special modifying asphalt, by the silicone oil bonding mono-silicon fiml of CPET, obtains pressing belt after the tire base cloth reverse side bonding polyethylene film after coated by special modifying asphalt.
6. the preparation method of pressing belt according to claim 5, it is characterised in that in the first step is all equal with the thickness of reverse side coated by special modifying asphalt in the front of tire base cloth; Or/and, tire base cloth is traction-resistant fibre cloth; Or/and, the pressing belt that the 2nd step obtains is cut into that length is 30 meters, width is the pressing belt of 12cm, and talcum powder is smeared in the cutting face after pressing belt cutting.
7. the using method of a pressing belt according to claim 3 or 4, it is characterised in that carry out in the steps below: the first step, by clean for the fracture plane cleaning around crack; 2nd step, takes the mono-silicon fiml of CPET in pressing belt front off, is then bonded on fracture plane by the pressing belt taking the mono-silicon fiml of CPET off, and crack is positioned at the central authorities of pressing belt, and the lap width of the pressing belt on both sides, crack is 1.5 centimetres to 2 centimetres.
8. the using method of pressing belt according to claim 7, it is characterised in that when the width in crack or the degree of depth are 0.5 centimetre to 8 centimetres, after the first step with the 2nd step before, crack is carried out joint filling.
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| CN104631259B (en) * | 2014-12-19 | 2016-10-26 | 东南大学 | A kind of nano lamellar material application process in cement stabilized macadam base |
| CN106977968A (en) * | 2017-05-18 | 2017-07-25 | 新疆心路科技有限公司 | High adhered modification pitch, road quick patch and preparation method thereof and application method |
| CN108824117B (en) * | 2018-07-20 | 2020-12-04 | 四川瑞通工程建设集团有限公司 | Asphalt pavement pit slot repairing construction process |
| CN114539942A (en) * | 2022-03-08 | 2022-05-27 | 新疆心路科技有限公司 | Dustproof and impermeable adhesive for bridge expansion joint and preparation method thereof |
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| CN100537687C (en) * | 2007-03-23 | 2009-09-09 | 高书文 | SBS elastic waterproof paint and its preparation |
| CN102344752B (en) * | 2010-08-03 | 2013-06-19 | 无锡市全发化工有限公司 | Environmentally friendly waterproof coating and its preparation method |
| CN102977621A (en) * | 2012-12-25 | 2013-03-20 | 天津海泰环保科技发展有限公司 | SBS (styrene-butadiene-styrene)/scrap rubber powder composite modified asphalt and preparation method thereof |
| CN103725255A (en) * | 2013-12-13 | 2014-04-16 | 许昌金欧特沥青股份有限公司 | SBS (Styrene Butadiene Styrene) emulsive modified bitumen road cold sealant and preparation method thereof |
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2014
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