CN104130588A - Road repair self-adhesive sealing strip - Google Patents
Road repair self-adhesive sealing strip Download PDFInfo
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- CN104130588A CN104130588A CN201410353765.3A CN201410353765A CN104130588A CN 104130588 A CN104130588 A CN 104130588A CN 201410353765 A CN201410353765 A CN 201410353765A CN 104130588 A CN104130588 A CN 104130588A
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Abstract
The invention relates to preparation of a road repair self-adhesive sealing strip. The sealing strip is prepared from a matrix asphalt, softening oil, natural asphalt, a SBS modifier, regenerated rubber powder, polyester fiber, a filler and barrier paper. The prepared road repair self-adhesive sealing strip can be used to repair fine cracks with width of less than 1 cm without slotting. After simple clearing of seams, construction can be started. After construction, roads can be opened to traffic. The sealing strip and a crack area form a tight union body, thus effectively preventing loosening, edge-breaking, seam-breaking, pothole and the like of the crack area. The prepared road repair self-adhesive sealing strip has advantages of high bonding capability, good elasticity, tensile modulus, water insolubility, watertightness, non-flowing at high temperature, no brittle failure at low temperature, simple construction, short construction period, firm construction performance and long retention time, and provides safe, rapid and reliable protection for road maintenance.
Description
Technical field
The present invention relates to a kind of road repair self-adhesion seal strip in asphalt roads maintenance field.
Background technology
The data of announcing according to Department of Transportation, end in by the end of December, 2013, and highway in China mileage open to traffic has reached 423.75 ten thousand kilometers of left and right, wherein more than 90% adopt bituminous concrete pavement.In recent years, along with the increase of the volume of traffic, and automobile shafts carries and the increase of loaded vehicle ratio, adds rugged environment condition, causes bituminous pavement in long-term use procedure, to occur the diseases such as loose, be full of cracks, hole groove, crack.Once these diseases particularly crack produce, just can road pavement produce a series of larger harm, first affect road-ability and road surface is attractive in appearance, even jeopardize traffic safety, next water capacity is easily infiltrated road surface and is even arrived basic unit's end face, and under the repeated action of traffic load, meeting generation souring and purt mud, purt slurry phenomenon make pavement structure depression of bearing force, also can change Pavement Design and be subject to force mode simultaneously, accelerate road surface entirety and destroy, reduce Pavement Condition, shorten service life of road surface, in order to address the above problem, a lot of material for road repair are invented both at home and abroad, comprise emulsified bitumen, base joint grouting glue and seal strip etc., wherein the emulsified bitumen construction and maintenance time is long, work-ing life is short, easily again ftracture, base joint grouting glue need to be slotted at crack place, construct by specific equipment, can bear the aging of long period, in the time repairing compared with large fracture, there is unusual effect, but people is gull, change the stressed effect of wheel road pavement, accelerated the destruction on road surface, therefore hour do not advised using this materials repairing in crack, seal strip needs hot-melt application, speed of application is slower, the material of coating declines because hot-melt application causes aging resistance, easily damage very soon, General Life is no more than 2 years, road repair self-adhesion seal strip only need to totally can be directly bonding by crack place base treatment, because low-temperature performance is better, the time that can bear is longer, but on the market exist self-adhesion seal strip mostly adhesiveproperties is bad, cross and make very easily to be taken up by wheel at vehicle, lose the meaning of repairing, coat material in addition in use because insufficient strength causes crimp, expose edge of crack, cause repairing and lost efficacy, therefore prepare a adhesiveproperties high, elasticity is large, not yielding, the road self-adhesion seal strip that aging resistance is good is imperative.
Summary of the invention
The present invention will provide a kind of novel road repair self-adhesion seal strip; this self-adhesion seal strip has that viscosifying power is strong, good springiness, amount of tension are large, water insoluble, do not seep water, do not trickle when high temperature, not brittle failure when low temperature, construction is simple, the duration is short, workability is firm, tenability time is long, for highway maintenance provides safety, fast, protect reliably.
Technical scheme: coated and expected that top and bottom respectively arrange one deck isolated material and form by self-adhesion seal strip, described self-adhesion seal strip is coated and expected to be prepared from by matrix petroleum pitch, softening oil, kerosene, rock asphalt, star-shaped sbs properties-correcting agent, regnerated rubber powder, fiber, filler.
Described matrix petroleum pitch is 40-50%, and softening oil is 10-15%, and kerosene is 3-8%, and rock asphalt is 5-10%, and star-shaped sbs properties-correcting agent is 1-5%, and regnerated rubber powder is 5-15%, and fiber is 2-5%, and filler is 15-30%.
Described matrix petroleum pitch is one or more mixing that label is heavily handed over petroleum pitch for No. 50-90.
Described softening oil is second line of distillation machine oil, subtract one or more in three line machine oil, naphthenic oil, aromatic hydrocarbon oil, catalytic slurry, polyisobutene.
One or more of the regnerated rubber powder that described regnerated rubber powder is produced for truck tyre, dolly tire, sole rubber and assorted glue.
Described fiber is one or more of xylon, trevira, mineral fibre.
Described filler is one or more in calcium carbonate, stone flour, lime powder, flyash, talcum powder, carbon black.
Described isolated material is mainly the PE barrier film that Ge Laxin separate-type paper or surface are coated with silicone oil.
Described road repair self-adhesion seal strip is coated and is expected that width is 2-3cm, and thickness is 2-4mm, and length is 50-100m.
The preparation method of described road repair self-adhesion seal strip: first beat pitch to preparing tank, now asphalt temperature remains on 180-190 DEG C, secondly add softening oil by formula rate, rock asphalt, star-shaped sbs properties-correcting agent and regnerated rubber powder, open colloidal mill and grind and maintain the temperature at 180-190 DEG C, properties-correcting agent is fully disperseed and swelling about 2.5h, then add fiber and filler, continue to stir and stop heating, be stirred to evenly, proceed to cooling retort, be down to 160 DEG C to temperature, closed conduit passes into kerosene, stir rear discharging, Here it is self-adhesion seal strip coats material, adopt particular manufacturing craft that self-adhesion seal strip is coated and expected to be coated on isolated material, cover again one deck isolated material at upper surface.
Beneficial effect:
Softening oil proportion is 10-15%, and Main Function is to improve the coat adhesiveproperties of material of self-adhesion seal strip; Natural lake pitch proportion is 5-10%, and effect is the force of cohesion that increases the material of coating, and improves the coat resistance to elevated temperatures of material of self-adhesion seal strip; Star-shaped sbs properties-correcting agent is 1-5%, and Main Function is to improve the coat elasticity of material of self-adhesion seal strip, improves the coat high temperature performance of material of self-adhesion seal strip, increases bonding force and improves ageing-resistant performance simultaneously; Regnerated rubber powder proportion is 5-15%, and effect is Aided Modification, improves self-adhesion seal strip coat high temperature performance and the aging resistance of material, reduces production costs simultaneously; Fiber proportion is 2-5%, is mainly anti-rut and raising force of cohesion and extension property in order to improve product; Kerosene is conventional fuel kerosene, and boiling point is more than 170 DEG C, and proportion is 3-8%, effect is that the wetting property of kerosene is strong especially, very good with bitumen compatibility, very easily infiltrate on the basal plane of contact, thereby make seal strip firmly bond on crack and become one very soon; Filler proportion is 15-30%, as improving seal strip intensity, increases rutting resistance.
(1) add fiber, greatly improved force of cohesion, extension property and anti-rut performance;
(2) added kerosene, improved the wetting property of seal strip and basic unit, made seal strip and basic unit bonding fast, be difficult for being taken up by wheel;
(3) combination of differing materials, the advantage that complements each other, has improved ageing resistance greatly, effectively improves the working life of product;
(4) use regnerated rubber powder, not only reduced the cost of product, and waste and scrap recycling, contribute for building a conservation-minded society;
(5) strengthen without middle carcass, be easy to remainder all to take up once carcass strengthens alice on one side, and the present invention adopts fiber reinforcement, even because constructing lack of standardization or aging certain limit perk that causes, also can not affect the bonding of other parts.
Because self-adhesion seal strip can cover fine cracks, make seal strip and crack area form closely knit linker, can effectively prevent that crack area generation is loose, collapse limit, collapse seam, cheat the phenomenons such as groove, thereby repair crack on road, delay the aging of road, make significant contribution for the prolongation of road life, there is important social effect.
Embodiment
Understand for technical characterictic of the present invention, object and beneficial effect being had more clearly, existing technical scheme of the present invention is carried out to following detailed description, but can not be interpreted as restriction that can practical range of the present invention;
Embodiment mono-: taking production road repair self-adhesion of the present invention seal strip 100kg as example, raw material and proportioning thereof used are as follows: 90# petroleum pitch 41%, subtract third fractional oil 12%, rock asphalt 7%, SBS43032%, truck tyre regnerated rubber powder 13%, trevira 2%, kerosene 4%, stone flour 17%;
Described formula is produced according to road repair self-adhesion seal strip production technique, first beat pitch to preparing tank, now asphalt temperature remains on 180-190 DEG C, secondly add softening oil by formula rate, rock asphalt, star-shaped sbs properties-correcting agent and regnerated rubber powder, open colloidal mill and grind and maintain the temperature at 180-190 DEG C, properties-correcting agent is fully disperseed and swelling about 2.5h, then add fiber and filler, continue to stir and stop heating, be stirred to evenly, proceed to cooling retort, be down to 160 DEG C to temperature, closed conduit passes into kerosene, stir rear discharging, Here it is self-adhesion seal strip coats material, adopt particular manufacturing craft that self-adhesion seal strip is coated and expected to be coated on isolated material, cover again one deck isolated material at upper surface, the road repair self-adhesion seal strip typical case performance index of preparation see attached list 1.
Embodiment bis-: taking production road repair self-adhesion of the present invention seal strip 100kg as example, raw material and proportioning thereof used are as follows: 70# petroleum pitch 42%, naphthenic oil 14%, natural lake pitch 5%, SBS4402 3%, truck tyre regnerated rubber powder 11%, trevira 4%, kerosene 5%, stone flour 17%, isolated material are Ge Laxin separate-type paper;
Described formula is produced by embodiment 1 according to road repair self-adhesion seal strip production technique, and the road repair self-adhesion seal strip typical case performance index of preparation see attached list 1.
Embodiment tri-: taking production road repair self-adhesion of the present invention seal strip 100kg as example, raw material and proportioning thereof used are as follows: 90# petroleum pitch 44%, catalytic slurry 11%, polyisobutene 2%, natural lake pitch 6%, SBS4402 are 3%, sole rubber regnerated rubber powder 9%, trevira 4%, kerosene 5%, stone flour 16%;
Described formula is produced by embodiment 1 according to road repair self-adhesion seal strip production technique, and the road repair self-adhesion seal strip typical case performance index of preparation see attached list 1.
Subordinate list 1
Table 1 road repair self-adhesion seal strip typical case performance index
Concrete enforcement requires: wide according to repaired road seam is in 1cm, respectively there is the material of coating more than needed on both sides to ensure all to seal crack, its road repair self-adhesion seal strip is coated and is expected that width is 2-3cm the best, be preferably 2-4mm according to different its thickness of the degree of depth in crack, because this material can be curling, length does not have too much requirement, determine its length according to the mode of packaging and the size of packing box, be 2-4mm according to thickness, if reach suitable package, advise that its length is made as 50-100m and is advisable.
Claims (10)
1. a road repair self-adhesion seal strip, coat and expect that top and bottom respectively arrange one deck isolated material and form by self-adhesion seal strip, it is characterized in that: described self-adhesion seal strip is coated and expected to be prepared from by matrix petroleum pitch, softening oil, kerosene, rock asphalt, star-shaped sbs properties-correcting agent, regnerated rubber powder, fiber, filler.
2. road repair self-adhesion seal strip according to claim 1, it is characterized in that: matrix petroleum pitch is 40-50%, softening oil is 10-15%, kerosene is 3-8%, rock asphalt is 5-10%, and star-shaped sbs properties-correcting agent is 1-5%, and regnerated rubber powder is 5-15%, fiber is 2-5%, and filler is 15-30%.
3. according to the road repair self-adhesion seal strip described in claim 1,2, it is characterized in that: described matrix petroleum pitch is one or more mixing that label is heavily handed over petroleum pitch for No. 50-90.
4. according to the road repair self-adhesion seal strip described in claim 1,2, it is characterized in that: described softening oil is second line of distillation machine oil, subtract one or more in three line machine oil, naphthenic oil, aromatic hydrocarbon oil, catalytic slurry, polyisobutene.
5. according to the road repair self-adhesion seal strip described in claim 1,2, it is characterized in that: one or more of the regnerated rubber powder that described regnerated rubber powder is produced for truck tyre, dolly tire, sole rubber and assorted glue.
6. according to the road repair self-adhesion seal strip described in claim 1,2, it is characterized in that: described fiber is one or more of xylon, trevira, mineral fibre.
7. according to the road repair self-adhesion seal strip described in claim 1,2, it is characterized in that: described filler is one or more in calcium carbonate, stone flour, lime powder, flyash, talcum powder, carbon black.
8. road repair self-adhesion seal strip according to claim 1, is characterized in that: described isolated material is mainly the PE barrier film that Ge Laxin separate-type paper or surface are coated with silicone oil.
9. road repair self-adhesion seal strip according to claim 1, is characterized in that: described road repair self-adhesion seal strip is coated and expected that width is 2-3cm, and thickness is 2-4mm, and length is 50-100m.
10. the preparation method of road repair self-adhesion seal strip according to claim 1, it is characterized in that: first beat pitch to preparing tank, now asphalt temperature remains on 180-190 DEG C, secondly add softening oil by formula rate, rock asphalt, star-shaped sbs properties-correcting agent and regnerated rubber powder, open colloidal mill and grind and maintain the temperature at 180-190 DEG C, properties-correcting agent is fully disperseed and swelling about 2.5h, then add fiber and filler, continue to stir and stop heating, be stirred to evenly, proceed to cooling retort, be down to 160 DEG C to temperature, closed conduit passes into kerosene, stir rear discharging, Here it is self-adhesion seal strip coats material, adopt particular manufacturing craft that self-adhesion seal strip is coated and expected to be coated on isolated material, cover again one deck isolated material at upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410353765.3A CN104130588B (en) | 2014-07-18 | 2014-07-18 | Road repair self-adhesion band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410353765.3A CN104130588B (en) | 2014-07-18 | 2014-07-18 | Road repair self-adhesion band |
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| CN104130588A true CN104130588A (en) | 2014-11-05 |
| CN104130588B CN104130588B (en) | 2017-03-01 |
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| CN106947273A (en) * | 2017-04-10 | 2017-07-14 | 中国铁道科学研究院金属及化学研究所 | A kind of concrete structure expansion joint rubber asphalt sill and preparation method thereof |
| CN108795066A (en) * | 2017-04-27 | 2018-11-13 | 金华方金雨伞防水科技有限公司 | A kind of antifatigue waterproof material and preparation method thereof |
| WO2018210069A1 (en) * | 2017-05-18 | 2018-11-22 | 新疆心路科技有限公司 | High viscosity modified asphalt, quick adhesive for roading, preparation method therefor and application method thereof |
| CN111286305A (en) * | 2019-12-17 | 2020-06-16 | 北京嘉格伟业筑路科技有限公司 | Seam-sticking material made of seam-sticking belt and net crack sticker for road crack repair |
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| CN111286305A (en) * | 2019-12-17 | 2020-06-16 | 北京嘉格伟业筑路科技有限公司 | Seam-sticking material made of seam-sticking belt and net crack sticker for road crack repair |
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| CN104130588B (en) | 2017-03-01 |
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