CN104212186B - Butylbenzene glue modified pitch caulking material and preparation method thereof - Google Patents
Butylbenzene glue modified pitch caulking material and preparation method thereof Download PDFInfo
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- CN104212186B CN104212186B CN201310219859.7A CN201310219859A CN104212186B CN 104212186 B CN104212186 B CN 104212186B CN 201310219859 A CN201310219859 A CN 201310219859A CN 104212186 B CN104212186 B CN 104212186B
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- butylbenzene glue
- asphalt
- butylbenzene
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Abstract
The present invention relates to a kind of modified pitch caulking material of butylbenzene glue and preparation method thereof；The modified pitch caulking material by weight 100% meter is made up of following raw material：Butylbenzene glue 5~8%, terpene resin 3~5%, sulphur powder 0.5~1.5%, asphalt surplus；Its preparation method, comprises the following steps：Weigh raw material in proportion first, stirring-type reaction kettle is preheated to 120~140 DEG C, input pitch is simultaneously warming up to 150 DEG C, successively incorporation butylbenzene glue, terpene resin stir 15min, add sulphur powder stirring 5min, finally it is cooled in 130 DEG C of constant temperature 30min, output barreled is that calking finished product is made；The caulking material stable chemical nature, in molten state with interface infiltration, high adsorption capacity, resistance to flaking is good after solidification, be particularly suitable for cement-concrete road joint fill meet, asphalt pavement crack maintenance and floorings expansion joint use.
Description
Technical field
The present invention relates to highway pavement field of material preparation, more particularly to a kind of modified pitch filleting based on butylbenzene glue
Material composition and preparation method thereof.
Background technology
China has turned into cement concrete pavement in the world and has possessed the most country of mileage.Ended for the end of the year 2012, China is high
Standard highway cement concrete pavement is close to 220,000 km, the Km of urban concrete road surface 90,000, highway and urban cement concrete
Road surface total kilometrage is still increased with the speed of about 8000~10000km or so every year at present up to 300,000 more than km.
The need for due to cement concrete pavement structure design and surface feature, Cement Concrete Pavement Slab is every a spacing
From（4~5m）Necessary joint-cutting, then fills and meets.Meanwhile, as highway extends to hills, mountain area, building, servicing bridges it is more next
More, floorings expansion joint need to fill or change in time.In addition, bituminous paving top layer crack needs substantial amounts of filling to meet material
Conserved, cause Moisture Damage to prevent that road table water from entering even basic unit inside surface layer.According to according to a preliminary estimate, annual highway pavement is embedding
Seam, filling meet material more than 5000 tons, and material generally asphalt-based material is met in filling, generally also mix styrene-butadiene-benzene second
The outer-penetrating agents such as alkene block copolymer, rubber powder.According to occupation mode, project situation, operation, one are generally carried out using two ways
It is to rely on filling to meet machine progress heat filling to meet to plant, and cementation of fissures cost is higher；It is another to be formed into after ribbon finished product, raked joint, slightly it is heated into
Product, which are attached to, to be sewed on.
At present, influenceed by factors such as traffic loading, climatic environment and interface contact conditions, although incorporation thermoplasticity rubber
Glue class is material modified, and high-temperature behavior increases, and the increase of calking viscosity, mobility and permeability are deteriorated, existing filleting or
Gap-grouting material using effect is unsatisfactory, is mainly shown as that low temperature deformation ability is poor, not strong with Adhesion Interface cementing power, easily
Cracking is peeled off, and has had a strong impact on calking practical effect.
The content of the invention
It is an object of the invention to provide a kind of butylbenzene glue modified pitch caulking material and preparation method thereof.Using oil
Pitch, according to territory of use, seam situation from No. 70, No. 90 or No. 110 pitches；It is low that the appropriate butylbenzene glue of incorporation improves its
Warm cracking resistance；The appropriate terpene resin of incorporation, strengthens the adhesion of cementation interface；The appropriate stable cross-linked material sulphur powder of incorporation
（Monoclinic sulphur）, improve the stability and high-temperature stability of the material modified thermmal storage.The caulking material stable chemical nature, molten
With interface infiltration, high adsorption capacity when melting state, resistance to flaking is good after solidification, is particularly suitable for cement-concrete road joint filling
Meet, asphalt pavement crack maintenance and floorings expansion joint are used.
A kind of butylbenzene glue modified pitch caulking material of the present invention, by weight 100% meter is made up of following raw material：
Butylbenzene glue 5~8%, terpene resin 3~5%, sulphur powder 0.5~1.5%, asphalt surplus.
Above-mentioned butylbenzene glue modified pitch caulking material composition and preparation method thereof, it is characterised in that comprise the following steps：
Weigh raw material in proportion first, heating stirring inputs pitch and be warming up to 150 DEG C, so to 120~140 DEG C in a kettle.
Incorporation butylbenzene glue, terpene resin stirring 15min, add sulphur powder stirring 5min, are finally cooled in 130 DEG C of constant temperature afterwards
30min, output barreled is that calking finished product is made.
The butylbenzene glue modified pitch caulking material of the present invention, can comprehensively improve the high-temperature stability of calking, low temperature and resist
Fragility and adhesiveness.In the present invention, using asphalt as main raw material(s), asphalt is some extremely complex macromolecules
Hydrocarbon and these hydrocarbons the mixture that is constituted of nonmetallic derivative.Under common petroleum pitch normal temperature
For black solid, integrate viscous-bullet-plasticity, with good deformation nature, there is certain stick after hot melt with interface
Property.Density is 1.0g/cm3, softening point be 46 DEG C, with the rising of heating-up temperature, from solid-state to viscous state, until 150 DEG C with
On, become complete liquid.Less than 0 DEG C low temperature flexibility shows slightly not enough, more than 40 DEG C of extreme weather temperature（Road surface up to 60 DEG C with
On）High-temperature stability has much room for improvement.But generally speaking, asphalt chemical stability is good, waterproof, corrosion resistant are that calking is preferred
Base material.
Butylbenzene glue is that styrene and divinylic monomer are acted on through initiator, occurs anionic solution polymerization reaction, is formed
It is thick liquid under many block macromolecular polymer of styrene-butadiene-styrene, normal temperature, density is 0.63~0.98g/
cm3.The glue can obviously improve the low temperature flexibility and ductility of pitch, reduce asphalt viscosity, also, with bitumen compatibility compared with
It is good.
Terpene resin is some thermoplastic block copolymers, and mean molecule quantity is between 650~2600, density：0.9~
1.0g/cm3, softening point：It is 80~140 DEG C, water insoluble, do not crystallize, chance light and heat nondiscolouring, acidproof, alkaline-resisting, good weatherability,
It is nontoxic.With high adhesion force, inoxidizability and excellent heat endurance, with bitumen compatibility it is good the advantages of.Particularly in solvent
In type SBR rubber sticker, with cohesive force and good tack is maintained, especially Efficient Adhesive Promotion is bright in terms of quick adhesion
It is aobvious.
The sulphur powder that the present invention is used is monoclinic sulfur, the ring molecule formed by 8 S atoms, and relative molecular weight is about
256, density is 1.96g/cm3, 119.0 DEG C of fusing point.In pitch molten mass environment, butylbenzene glue macromolecular by monosulfidic bond or
Polysulfide bond connection generation network structure, is also participated in hydro carbons in pitch is high molecular so that light component is assembled to be turned to heavy constituent
Move, multiphase coexistence body interface energy is reduced, so as to improve the hot storage stability of reactive blending pitch colloidal solution.
The butylbenzene glue modified pitch caulking material of the present invention, is pitch and butylbenzene glue, terpenes tree the characteristics of prominent
Preferably, molten state can substantially form homogeneous colloid, mobility, pumping concrete castability enhancing to lipid phase capacitive.With other hot melts
Calking is compared, high temperature viscosity reduction, is unlikely to block pouring machine pumping line, meanwhile, as caulking material viscosity declines, stream
The ability that body penetrates into interface is improved, the adhesive attraction of enhancing caulking material and interface.Also, butylbenzene glue modified pitch is embedding
Stitch material preparation process flow simple, convenient transportation can construct using ordinary hot pouring machine.
According to territory of use's weather conditions and operating mode, by changing asphalt-based material, butylbenzene glue of the invention is modified drip
Blue or green caulking material can form series of products, can be widely applied to the cement-concrete road joint cementation of fissures, bituminous paving different type
Crack cementation of fissures maintenance and the filling of floorings expansion joint, with good market application foreground and promotional value, will be produced huge
Economic results in society.Material of the present invention can be obtained by following manner：
Butadiene-styrene rubber liquid preparing process：
Butylbenzene glue is many block macromolecular polymer of styrene-butadiene-styrene of polymerisation in solution, is under normal temperature
Thick liquid, density is 0.63~0.98g/cm3.Preparation method is：Solvent is added into reactor first（C5~C10）And adjust
Agent is saved, control special equipment temperature is at 40~80 DEG C, and pressure adds 10~50 parts of benzene second into reactor in 0.05~0.5MPa
90~50 parts of butadiene are added in alkene and proper catalyst, 5~20 minutes backward reactors, 80~120 DEG C, 1~20 are warming up to
Coupling agent is added in minute backward reactor, after stirring 5~20 minutes, butylbenzene glue is made in desolvation.The glue can be obvious
Improve the low temperature flexibility and ductility of pitch, reduce asphalt viscosity, it is preferable with bitumen compatibility.
The market purchasing information of the terpene resin of table 1., sulphur powder
Embodiment
The butylbenzene glue modified pitch caulking material preparation method of the present invention, comprises the following steps：Weigh in proportion first
Raw material, 120~140 DEG C are preheated to by stirring-type reaction kettle, and input pitch is simultaneously warming up to 150 DEG C, successively mix butylbenzene glue,
Terpene resin stirs 15min, adds sulphur powder stirring 5min, is finally cooled in 130 DEG C of constant temperature 30min, output barreled is system
Into calking finished product.
For convenience of description with contrast, embodiments below be calking flowed out from reactor sampling test its technology
Performance.
According to the difference of territory of use's weather conditions, 1~embodiment of embodiment 3 uses 70# asphalt, is suitable for summer heat
Area；4~embodiment of embodiment 6 uses 90# oil, is suitable for Xia Liangqu, winter-warm syndrome area；7~embodiment of embodiment 9 uses 110# stones
Oil asphalt, is suitable for winter cold-zone, cold area.
Embodiment 1：
70# asphalt 90%, butylbenzene glue 6%, terpene resin 3.0%, sulphur powder 1.0%.
Embodiment 2：
70# asphalt 88%, butylbenzene glue 7%, terpene resin 3.5%, sulphur powder 1.5%.
Embodiment 3：
70# asphalt 86%%, butylbenzene glue 8%, terpene resin 5.0%, sulphur powder 1.0%.
Embodiment 4：
90# asphalt 90%, butylbenzene glue 6%, terpene resin 3.0%, sulphur powder 1.0%.
Embodiment 5：
90# asphalt 88%, butylbenzene glue 7%, terpene resin 3.5%, sulphur powder 1.5%.
Embodiment 6：
90# asphalt 86%%, butylbenzene glue 8%, terpene resin 5.0%, sulphur powder 1.0%.
Embodiment 7：
110# asphalt 90%, butylbenzene glue 6%, terpene resin 3.0%, sulphur powder 1.0%.
Embodiment 8：
110# asphalt 88%, butylbenzene glue 7%, terpene resin 3.5%, sulphur powder 1.5%.
Embodiment 9：
110# asphalt 86%%, butylbenzene glue 8%, terpene resin 5.0%, sulphur powder 1.0%.
9 kinds of butylbenzene glue modified pitch caulking materials, foundation are prepared by the proportion relation of 1~embodiment of embodiment 9《Highway
Engineering pitch and Asphalt Mixture Experiment code》（JTG E20-2011）, each sample technical performance is tested, result of the test is shown in Table 2.
The butylbenzene glue modified pitch calking technical performance of table 2
Claims (3)
1. a kind of modified pitch caulking material of butylbenzene glue, it is characterised in that by weight 100% meter is made up of following raw material：
Butylbenzene glue 5~8%, terpene resin 3~5%, sulphur powder 0.5~1.5%, asphalt surplus；The asphalt selects 70
Number, No. 90 or No. 110 asphalt, be black solid under normal temperature, density is 1.0g/cm3, softening point is 46 DEG C, with heating
The rising of temperature, from solid-state to viscous state, until more than 150 DEG C, become complete liquid；The butylbenzene glue is styrene and fourth
Diene monomers react by anionic solution polymerization, form many block macromolecular polymer of styrene-butadiene-styrene,
It is thick liquid under normal temperature, density is 0.63~0.98g/cm3；The terpene resin is some thermoplastic block copolymers, is put down
Average molecular weight is between 650~2600, density：0.9~1.0g/cm3, softening point：It is 80~140 DEG C, water insoluble, acidproof,
Alkaline-resisting, good weatherability, it is nontoxic.
2. the modified pitch caulking material of butylbenzene glue according to claim 1, it is characterised in that：The sulphur powder is monocline
Brilliant sulphur, relative molecular weight is 256, and density is 1.96g/cm3, 119.0 DEG C of fusing point.
3. a kind of preparation method of the modified pitch caulking material of the butylbenzene glue described in claim 1, it is characterised in that：Including
Following steps：Weigh raw material in proportion first, stirring-type reaction kettle is preheated to 120~140 DEG C, input pitch and be warming up to
150 DEG C, butylbenzene glue, terpene resin stirring 15min are then mixed, sulphur powder stirring 5min is added, is finally cooled at 130 DEG C
Constant temperature 30min, output barreled is that calking finished product is made.
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| CN107325570A (en) * | 2017-08-23 | 2017-11-07 | 南京林业大学 | The preparation method of SBS modified pitch base cement pavement calkings |
| CN113897173B (en) * | 2021-10-27 | 2024-06-14 | 中国石油化工股份有限公司 | Normal-temperature molding Cheng Qianfeng adhesive and preparation method thereof |
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| CN1597827A (en) * | 2004-08-17 | 2005-03-23 | 鞍山森远化学工业有限公司 | Sealing glue for fissured of road |
| CN101074351A (en) * | 2006-05-19 | 2007-11-21 | 中国石油化工股份有限公司 | Hot-melt asphalt adhesive and its production |
| CN101629405A (en) * | 2009-07-24 | 2010-01-20 | 武汉理工大学 | Waterproof bond stress absorbing bridge deck pavement material preparation method |
| CN102766338A (en) * | 2012-07-25 | 2012-11-07 | 甘肃交通规划勘察设计院有限责任公司 | Wide temperature range modified asphalt for roads and preparation method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103044931B (en) * | 2011-10-17 | 2016-01-20 | 中国石油化工股份有限公司 | A kind of filleting packing material and preparation method thereof being easy to construct |
| CN102433008A (en) * | 2011-11-03 | 2012-05-02 | 黑龙江长和化工股份有限公司 | Fissure cementation glue for pavement, and preparation method for fissure cementation glue |
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- 2013-06-05 CN CN201310219859.7A patent/CN104212186B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1597827A (en) * | 2004-08-17 | 2005-03-23 | 鞍山森远化学工业有限公司 | Sealing glue for fissured of road |
| CN101074351A (en) * | 2006-05-19 | 2007-11-21 | 中国石油化工股份有限公司 | Hot-melt asphalt adhesive and its production |
| CN101629405A (en) * | 2009-07-24 | 2010-01-20 | 武汉理工大学 | Waterproof bond stress absorbing bridge deck pavement material preparation method |
| CN102766338A (en) * | 2012-07-25 | 2012-11-07 | 甘肃交通规划勘察设计院有限责任公司 | Wide temperature range modified asphalt for roads and preparation method thereof |
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