CN101555352B - A new maintenance material of pavement crack, preparation and application thereof - Google Patents
A new maintenance material of pavement crack, preparation and application thereof Download PDFInfo
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- CN101555352B CN101555352B CN2009100617388A CN200910061738A CN101555352B CN 101555352 B CN101555352 B CN 101555352B CN 2009100617388 A CN2009100617388 A CN 2009100617388A CN 200910061738 A CN200910061738 A CN 200910061738A CN 101555352 B CN101555352 B CN 101555352B
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Abstract
The invention relates to a new maintenance material of pavement crack, comprising the raw materials according to weight part as follows: 100 parts of 107 base glue, 1-10 parts of cross linker, 1-5 parts of tackifier, 5-50 parts of plasticiser, 1-100 parts of reinforcing filler, 0.1-0.5 parts of catalyst. The preparation method of the material is as follows: putting dimethyl silicone polymer base glue, reinforcing filler, plasticizer, tackifier and cross linker into a vacuum kneader to be uniformly mixed, obtaining component A; uniformly mixing catalyst and cross linker, obtaining component B; mixing components A and B according to the proportion of 1: 0.01-0.03, obtaining the material. The material has good weather resistance, aging resistance, ultraviolet resistance and self-levelling performance; the material does not need heat construction, has good repairing function for the pavement crack; the preparation method is simple; the invention can be widely applied to repairing and maintaining crack on asphalt, cement concrete pavement and correlative building.
Description
Technical field
The present invention relates to pavement maintenance material, be specifically related to a kind of new maintenance material of pavement crack and preparation thereof and application.
Background technology
Along with the sharp increase of the volume of traffic and carload lot, China traffic road surface is damaged and is increased the weight of day by day.The crack is the topmost collapse mode that the road surface is damaged, it is attractive in appearance that pavement crack not only influences the appearance of a street, and if the untimely crack is filled out sealed repairing, will make road table water enter road surface structare layer by the crack, cause the road surface supporting capacity to descend, and then cause purt slurry, hole groove, be full of cracks, disease such as loose, shorten the work-ing life on road surface greatly.
At present, repairing maintenance for pavement crack, the normal method that adopts is to handle with rubber asphalt or the special-purpose gap-grouting material of modified emulsifying asphalt, the shortcoming of its existence is: the restriction that is subject to characteristics such as bituminous material brittle fracture under low temperature and hot mastication, crack after the repairing can make the road surface use in the near future cracking again along with the variation of temperature, has increased the weight of the cost of maintenance of surface.Therefore, be necessary to develop and develop a kind ofly have high-performance, pavement crack that weathering resistance is good is repaired pointing, in the hope of improving the functional quality on road surface, prolongs service life of road surface.
Summary of the invention
Technical problem to be solved by this invention is: a kind of new maintenance material of pavement crack is provided, and this excellent material performance is used it for the pavement crack maintenance, can effectively play to fill out to seal to mend a split, and prevents to ooze under the surface water effect that destroys road surface structare layer.This preparation methods also is provided.
The present invention solves its technical problem and adopts following technical scheme:
New maintenance material of pavement crack provided by the invention, its raw material by following weight part is made: 100 parts in 107 basic glue, 1～10 part of linking agent, 1～5 part of tackifier, 5～50 parts in softening agent, 1～100 part of reinforced filling, 0.1～0.5 part of catalyzer.
Above-mentioned new maintenance material of pavement crack provided by the invention, its preparation method is: polydimethylsiloxane base glue, reinforced filling, softening agent, tackifier, linking agent etc. are mixed in vacuum kneader, make the A component; Catalyzer, linking agent mixed make the B component; A, B component obtain described material after according to 1: 0.01～0.03 mixed.
Above-mentioned new maintenance material of pavement crack provided by the invention, it is used for the maintenance of pavement crack.
The present invention compares with traditional crack conserving material, has following main advantage:
1. have good elasticity and higher extensibility, can adapt to concrete slab breathing requirement, can prevent effectively that foreign material and moisture from entering the slit, road surface.
2. viscosifying power is strong.Firm with concrete road surface slotted wall bonding, and be unlikely to from the concrete road surface slotted wall to pull, prevent that moisture is from the sidewall infiltration in slit, road surface and clamp-oning of foreign material.
3. have self-leveling, need not heat construction, but application property is good.
Set time moderate, can be open to traffic in the 24h, do not influence driving quality and traffic safety.
5. under power effect outside and the harsh climate condition, have weather, performance such as anti-aging, reduced the expense of secondary maintenance, cost performance is higher.
6. the preparation method is simple, is easy to promote.
Embodiment
The invention will be further described below in conjunction with embodiment, but do not limit the present invention.
Embodiment 1: novel pavement crack maintenance silicon rubber
In 107 basic glue: linking agent: tackifier: softening agent: reinforced filling: catalyzer is 100: 5: 1 with weight part: 5: 15: 0.3 ratio is formed.
Embodiment 2: novel pavement crack maintenance silicon rubber
In 107 basic glue: linking agent: tackifier: softening agent: reinforced filling: catalyzer is 100: 8: 2 with weight part: 5: 25: 0.3 ratio is formed.
Embodiment 3: novel pavement crack maintenance silicon rubber
In 107 basic glue: linking agent: tackifier: softening agent: reinforced filling: catalyzer is 100: 8: 5 with weight part: 5: 100: 0.5 ratio is formed.
Embodiment 4: novel pavement crack maintenance silicon rubber
In 107 basic glue: linking agent: tackifier: softening agent: reinforced filling: catalyzer is 100: 10: 1 with weight part: 35: 50: 0.1 ratio is formed.
Embodiment 5: novel pavement crack maintenance silicon rubber
In 107 basic glue: linking agent: tackifier: softening agent: reinforced filling: catalyzer is 100: 1: 1 with weight part: 50: 80: 0.3 ratio is formed.
Embodiment 6: novel pavement crack maintenance silicon rubber
In 107 basic glue: linking agent: tackifier: softening agent: reinforced filling: catalyzer is 100: 3: 4 with weight part: 60: 1: 0.3 ratio is formed.
The present invention is applied in the concrete patching of many motorways at home, and detects research by following the tracks of, and the secondary cracking phenomena of crack mend do not occur, and result of use is good.
The described preparation methods of the foregoing description is: polydimethylsiloxane base glue, reinforced filling, softening agent, tackifier, linking agent etc. are mixed in vacuum kneader, make the A component; Catalyzer, linking agent mixed make the B component; A, B component obtain described material after according to 1: 0.01～0.03 mixed.
Described 107 basic glue can adopt that viscosity is the polydimethylsiloxane of 1000～100000MPas under 25 ℃ of conditions.
Described crosslinking and curing agent can adopt a kind of in vinyl tributanoximo silane, the methyl tributanoximo silane, or two kinds.
Described tackifier can adopt in N-β-aminoethyl-γ-An Bingjisanjiayangjiguiwan, the γ-An Bingjisanyiyangjiguiwan, a kind of in the di-t-butyl diacetoxy silane, alkoxyl group acyloxy silane, Racemic glycidol propyl trimethoxy silicane, epoxy hydrocarbyl alkoxy silanes, or multiple.
Described softening agent can adopt non-reacted dimethyl silicone oil, MDT type silicone oil, α, a kind of in ω-dimethoxy polydimethylsiloxane, alkane mixture, the alkyl aromatic compound, or multiple.
Described reinforced filling can adopt the precipitator method or the thermal silica of handling by organic agent.Organic agent is a kind of in hexamethyldisilazane or the cyclosiloxane, or two kinds.
Described catalyzer can adopt a kind of in the reaction product of dibutyl tin dilaurate, stannous octoate, dibutyltin diacetate, organotin-carboxylate and titanic acid ester, or multiple.
The present invention adopts country " GB/T13477-2002 and JT/T589-2004 " standard, comes the described material of the foregoing description is tested, and its test result is asked for an interview table 1.
Above-mentioned new maintenance material of pavement crack provided by the invention, it is used for the maintenance of pavement crack.
Adopt the following fissured maintenance of constructional method road pavement of expanding seam, raked joint and joint filling step that comprises:
Requiring before the construction crack is extended to width is 5～10mm, and the degree of depth is 15～20mm; After the expansion seam is finished, requirement will be stitched foreign material such as interior dust, mortar and be cleaned out, and particularly stick to the mortar on the concrete slotted wall, clean out and keep dry state in waiting to stitch to get final product joint filling; According to above-mentioned weight proportion A, B component are poured in the container, with artificial or mechanical stirring is even, the seam sealer that stirs evenly is poured in the instruments such as caulking machine or extruder, seam sealer is injected in the seam body then, guarantee the speed of filling forward and the speed coordination of extruder discharging; Want during discharging evenly, the degree of depth that pours in the seam must reach 25～30mm, to guarantee the crack maintenance quality.
Subordinate list
The performance test results of table 1 new maintenance material of pavement crack
| Test item | Set time (h) | Tensile bond strength (MPa) | Resistance to chemical attack (soda acid salt and greasy dirt) | Self-leveling | Freeze-thaw cycle (300 times) |
| Implementation column 1 | 6.5 | 0.30 | Excellent | Very | Excellent |
| Implementation column 2 | 7.2 | 0.31 | Excellent | Very | Very |
| Implementation column 3 | 6.8 | 0.35 | Excellent | Very | Excellent |
| Implementation column 4 | 10.1 | 0.25 | Excellent | Excellent | Excellent |
| Implementation column 5 | 5.5 | 0.28 | Excellent | Excellent | Excellent |
| Implementation column 6 | 6.5 | 0.29 | Excellent | Excellent | Excellent |
Claims (5)
1. a maintenance material of pavement crack is characterized in that being made by the raw material of following weight part: 100 parts in 107 basic glue, 10 parts of linking agents, 1 part of tackifier, 35 parts in softening agent, 50 parts of reinforced fillings, 0.1 part of catalyzer; Described 107 basic glue are that viscosity is the polydimethylsiloxane of 1000～100000MPas under 25 ℃ of conditions of employing; Described linking agent is a kind of in vinyl tributanoximo silane, the methyl tributanoximo silane, or two kinds; Described tackifier are a kind of in N-β-aminoethyl-γ-An Bingjisanjiayangjiguiwan, γ-An Bingjisanyiyangjiguiwan, di-t-butyl diacetoxy silane, alkoxyl group acyloxy silane, Racemic glycidol propyl trimethoxy silicane, the epoxy hydrocarbyl alkoxy silanes, or multiple; Described softening agent is non-reacted dimethyl silicone oil, MDT type silicone oil, α, a kind of in ω-dimethoxy polydimethylsiloxane, alkane mixture, the alkyl aromatic compound, or multiple; Described reinforced filling is the white carbon black of handling by organic agent, and organic agent is a hexamethyldisilazane; Described catalyzer is a kind of in the reaction product of dibutyl tin dilaurate, stannous octoate, dibutyltin diacetate, organotin-carboxylate and titanic acid ester, or multiple;
And, polydimethylsiloxane base glue, reinforced filling, softening agent, tackifier, linking agent are mixed in vacuum kneader, make the A component; Catalyzer, linking agent mixed make the B component; A, B component according to 1: 0.01～0.03 mixed after, obtain described maintenance material of pavement crack.
2. maintenance material of pavement crack as claimed in claim 1 is characterized in that described material is replaced by the raw material of following weight part to make: 100 parts in 107 basic glue, 1 part of linking agent, 1 part of tackifier, 50 parts in softening agent, 80 parts of reinforced fillings, 0.3 part of catalyzer.
3. maintenance material of pavement crack as claimed in claim 1 is characterized in that described material is replaced by the raw material of following weight part to make: 100 parts in 107 basic glue, 3 parts of linking agents, 4 parts of tackifier, 60 parts in softening agent, 1 part of reinforced filling, 0.3 part of catalyzer.
4. the application of a maintenance material of pavement crack is characterized in that the described material of arbitrary claim in the claim 1 to 3 is used for the maintenance of pavement crack.
5. the application of maintenance material of pavement crack as claimed in claim 4 is characterized in that this material adopts the following fissured maintenance of constructional method road pavement:
Construction procedure comprises expansion seam, raked joint and joint filling, and specifically: requiring before the construction crack is extended to width is 5～10mm, and the degree of depth is 15～20mm; After the expansion seam is finished, requirement will be stitched foreign material such as interior dust, mortar and be cleaned out, and particularly stick to the mortar on the concrete slotted wall, clean out and keep dry state in waiting to stitch to get final product joint filling; Weight proportion is in accordance with regulations poured A, B component in the container into, with artificial or mechanical stirring is even, the seam sealer that stirs evenly is poured in the instruments such as caulking machine or extruder, seam sealer is injected in the seam body then, guarantee the speed of filling forward and the speed coordination of extruder discharging; Want during discharging evenly, the degree of depth that pours in the seam must reach 25～30mm, to guarantee the crack maintenance quality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2009100617388A CN101555352B (en) | 2009-04-22 | 2009-04-22 | A new maintenance material of pavement crack, preparation and application thereof |
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| CN2009100617388A CN101555352B (en) | 2009-04-22 | 2009-04-22 | A new maintenance material of pavement crack, preparation and application thereof |
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| CN101555352A CN101555352A (en) | 2009-10-14 |
| CN101555352B true CN101555352B (en) | 2011-10-19 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101993590B (en) * | 2010-11-01 | 2012-03-28 | 深圳市森日有机硅材料有限公司 | Silicone rubber putty and preparation method thereof |
| CN102153315A (en) * | 2010-12-27 | 2011-08-17 | 湖北环宇化工有限公司 | Preventive maintenance material for asphalt pavement |
| CN102827488A (en) * | 2012-09-28 | 2012-12-19 | 张宇 | Attapulgite asphalt modifier |
| CN102827489A (en) * | 2012-09-28 | 2012-12-19 | 张宇 | Composition for modification of asphalt |
| CN103408941A (en) * | 2013-08-23 | 2013-11-27 | 山东永安胶业有限公司 | Transparent dealcoholized single-component room temperature vulcanized silicone rubber and preparation method thereof |
| CN103880366A (en) * | 2013-11-11 | 2014-06-25 | 东南大学 | Low-water-absorption cement-based joint filling agent |
| CN105238294A (en) * | 2014-07-12 | 2016-01-13 | 卢桂才 | Reactive rubber waterproof sealant containing epoxy sulfhydryl bridging agent and preparation method for reactive rubber waterproof sealant |
| CN104109388B (en) * | 2014-07-31 | 2016-05-25 | 江苏省交通规划设计院股份有限公司 | Filling-modified pair of component road gap-grouting glue of a kind of high length-diameter ratio acicular wollastonite |
| CN104277225B (en) * | 2014-10-08 | 2017-01-25 | 江苏苏博特新材料股份有限公司 | Organic silicon resin capable of promoting sliding-resistant coefficient, as well as preparation method and applications thereof |
| CN105567153A (en) * | 2014-10-11 | 2016-05-11 | 刘保群 | Two-component self-leveling silicone sealant for airport runways |
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| CN1687526A (en) * | 2005-04-18 | 2005-10-26 | 西安高远公路养护技术有限公司 | Reconditioning tracks on asphalt pavement by using thin paste mixture of modified emulsified asphalt and construction method thereof |
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| CN1687526A (en) * | 2005-04-18 | 2005-10-26 | 西安高远公路养护技术有限公司 | Reconditioning tracks on asphalt pavement by using thin paste mixture of modified emulsified asphalt and construction method thereof |
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| 吴少朋等.路面嵌缝硅橡胶的制备与性能研究.《建筑接缝密封与防水》.2009,(第3期),第23-25页. * |
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