CN104212186A - Styrene-butadiene rubber liquid modified asphalt caulking material and preparation method thereof - Google Patents
Styrene-butadiene rubber liquid modified asphalt caulking material and preparation method thereof Download PDFInfo
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- CN104212186A CN104212186A CN201310219859.7A CN201310219859A CN104212186A CN 104212186 A CN104212186 A CN 104212186A CN 201310219859 A CN201310219859 A CN 201310219859A CN 104212186 A CN104212186 A CN 104212186A
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- butylbenzene glue
- asphalt
- modifying asphalt
- jointing material
- butylbenzene
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- 239000000463 material Substances 0.000 title claims abstract description 35
- 239000010426 asphalt Substances 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000007788 liquid Substances 0.000 title claims abstract description 10
- 229920003048 styrene butadiene rubber Polymers 0.000 title abstract 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000011347 resin Substances 0.000 claims abstract description 21
- 229920005989 resin Polymers 0.000 claims abstract description 21
- 238000003756 stirring Methods 0.000 claims abstract description 10
- 239000000126 substance Substances 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims abstract description 3
- OCKPCBLVNKHBMX-UHFFFAOYSA-N butylbenzene Chemical compound CCCCC1=CC=CC=C1 OCKPCBLVNKHBMX-UHFFFAOYSA-N 0.000 claims description 78
- 239000003292 glue Substances 0.000 claims description 41
- 239000011301 petroleum pitch Substances 0.000 claims description 20
- 239000005864 Sulphur Substances 0.000 claims description 19
- 239000000843 powder Substances 0.000 claims description 19
- 239000011295 pitch Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- 238000010792 warming Methods 0.000 claims description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 3
- 238000010528 free radical solution polymerization reaction Methods 0.000 claims description 3
- 239000007858 starting material Substances 0.000 claims description 3
- IQVBOXXFTNNNDF-UHFFFAOYSA-N styrene 1,2,3-tris(ethenyl)benzene Chemical compound C(=C)C=1C(=C(C=CC1)C=C)C=C.C=CC1=CC=CC=C1 IQVBOXXFTNNNDF-UHFFFAOYSA-N 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 125000000129 anionic group Chemical group 0.000 claims description 2
- 229920001400 block copolymer Polymers 0.000 claims description 2
- 239000000178 monomer Substances 0.000 claims description 2
- 231100000252 nontoxic Toxicity 0.000 claims description 2
- 230000003000 nontoxic effect Effects 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 229910052717 sulfur Inorganic materials 0.000 claims description 2
- 239000011593 sulfur Substances 0.000 claims description 2
- 229920001169 thermoplastic Polymers 0.000 claims description 2
- 239000004416 thermosoftening plastic Substances 0.000 claims description 2
- 239000004568 cement Substances 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000011049 filling Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000001179 sorption measurement Methods 0.000 abstract description 2
- 150000003505 terpenes Chemical class 0.000 abstract 2
- 235000007586 terpenes Nutrition 0.000 abstract 2
- 238000001816 cooling Methods 0.000 abstract 1
- 230000008595 infiltration Effects 0.000 abstract 1
- 238000001764 infiltration Methods 0.000 abstract 1
- 239000003208 petroleum Substances 0.000 abstract 1
- 238000007711 solidification Methods 0.000 abstract 1
- 230000008023 solidification Effects 0.000 abstract 1
- 238000005303 weighing Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 239000011243 crosslinked material Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004807 desolvation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000006193 liquid solution Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Road Paving Structures (AREA)
Abstract
The invention relates to a modified asphalt caulking material of styrene-butadiene rubber liquid and a preparation method thereof; the modified asphalt caulking material comprises the following raw materials by weight percent of 100 percent: 5-8% of styrene-butadiene rubber liquid, 3-5% of terpene resin, 0.5-1.5% of sulfur powder and the balance of petroleum asphalt; the preparation method comprises the following steps: firstly weighing raw materials in proportion, preheating a stirring type reaction kettle to 120-140 ℃, inputting asphalt, heating to 150 ℃, sequentially doping styrene-butadiene rubber liquid and terpene resin, stirring for 15min, adding sulfur powder, stirring for 5min, finally cooling to 130 ℃, keeping the temperature for 30min, outputting to a barrel, and preparing a finished caulking material; the caulking material has stable chemical property, strong infiltration and adsorption capacity with an interface in a molten state, and good anti-stripping performance after solidification, and is particularly suitable for joint filling of cement concrete pavement joints, maintenance of asphalt pavement cracks and expansion joints of bridge decks.
Description
Technical field
The present invention relates to highway pavement field of material preparation, particularly a kind of modifying asphalt jointing material based on butylbenzene glue forms and preparation method thereof.
Background technology
China has become cement concrete pavement in the world and has had the maximum country of mileage.Ended for the end of the year 2012, China Higher level highway cement concrete pavement is close to 220,000 km, urban concrete road surface 90,000 Km, highway and urban concrete road surface total kilometrage reach 300,000 more than km, at present still with the speed increment of annual about about 8000 ~ 10000km.
Due to cement concrete pavement structure design and the needs of surface feature, Cement Concrete Pavement Slab is (4 ~ 5m) necessary joint-cutting at a certain distance, then fills with and meets.Meanwhile, along with motorway to hills, mountain area extends, building, servicing bridges gets more and more, and decking expansion joint needs to fill in time or change.In addition, crack, bituminous pavement top layer needs a large amount of fillings to meet material to carry out maintenance, with prevent road show water enter surface layer inside even basic unit cause Moisture Damage.According to according to a preliminary estimate, annual highway pavement filleting, fill with and meet material more than 5000 tons, fill with and meet material to be generally asphalt-based material, usually also mix the additive such as styrene-butadiene-styrene block copolymer, rubber powder.According to use-pattern, project situation, usually adopt and carry out operation in two ways, one be rely on filling meet machine carry out heat filling meet, cementation of fissures cost is higher; Another kind makes ribbon finished product, and after raked joint, hot finished product attaches to and sews on a little.
At present, by the impact of the factors such as traffic loading, climatope and interface contact condition, although it is material modified to mix thermoplastic elastomer class, high-temperature behavior increases, and calking viscosity increases, mobility and perviousness are deteriorated, existing filleting or gap-grouting material result of use unsatisfactory, main manifestations is that low temperature deformation ability is poor, not strong with Adhesion Interface cementing power, easy to crackly to peel off, had a strong impact on calking practical effect.
Summary of the invention
The object of the present invention is to provide a kind of butylbenzene glue modifying asphalt jointing material and preparation method thereof.Adopt petroleum pitch, select No. 70, No. 90 or No. 110 pitches according to territory of use, seam situation; Mix appropriate butylbenzene glue and improve its crack resistance at low-temperature; Mix appropriate terpine resin, strengthen the adhesion of cementation interface; Mix appropriate stable cross-linked material sulphur powder (monoclinic sulphur), improve stability and the high-temperature stability of this material modified thermmal storage.This jointing material stable chemical nature, when molten state and interface permeates, high adsorption capacity, solidifies rear resistance to flaking good, be particularly suitable for cement-concrete road joint fill with meet, asphalt pavement crack maintenance and decking expansion joint use.
A kind of butylbenzene glue modifying asphalt jointing material of the present invention, 100% is made up of following raw material by weight: butylbenzene glue 5 ~ 8%, terpine resin 3 ~ 5%, sulphur powder 0.5 ~ 1.5%, petroleum pitch surplus.
Above-mentioned butylbenzene glue modifying asphalt jointing material composition and preparation method thereof, it is characterized in that, comprise the following steps: take starting material first in proportion, heated and stirred to 120 ~ 140 DEG C in a kettle., input pitch is also warming up to 150 DEG C, then mixes butylbenzene glue, terpine resin stirs 15min, then adds sulphur powder stirring 5min, finally be cooled at 130 DEG C of constant temperature 30min, export barreled and namely make calking finished product.
Butylbenzene glue modifying asphalt jointing material of the present invention, comprehensively can improve the high-temperature stability of calking, low-temperature cracking-resistance and adhesivity.In the present invention, take petroleum pitch as main raw material(s), petroleum pitch is the mixture that the nonmetallic derivative of some extremely complicated high molecular hydrocarbon polymers and these hydrocarbon polymers forms.Be black solid under common petroleum pitch normal temperature, integrate sticky-bullet-plasticity, there is good deformation nature, after hot melt, have certain adhesion with interface.Density is 1.0g/cm
3, softening temperature is 46 DEG C, along with the rising of Heating temperature, from solid-state to viscous state, until more than 150 DEG C, becomes complete liquid state.Less than 0 DEG C low temperature flexibility shows slightly not enough, and extreme weather temperature more than 40 DEG C (road surface can reach more than 60 DEG C) high-temperature stability has much room for improvement.But generally speaking, petroleum pitch chemical stability is good, waterproof, corrosion resistant, it is calking preferred substrates.
Butylbenzene glue be vinylbenzene and divinylic monomer through initiator effect, anionic solution polymerization reaction occurs, and form vinylbenzene-divinyl-vinylbenzene many block macromoleculars polymkeric substance, be thick liquid under normal temperature, density is 0.63 ~ 0.98g/cm
3.This glue obviously can improve low temperature flexibility and the ductility of pitch, reduces asphalt viscosity, and, better with bitumen compatibility.
Terpine resin is some thermoplastic block copolymers, molecular-weight average between 650 ~ 2600, density: 0.9 ~ 1.0g/cm
3, softening temperature: 80 ~ 140 DEG C, water insoluble, non-crystallizable, meets light and heat nondiscoloration, acidproof, alkaline-resisting, good weatherability, nontoxic.There is high adhesive force, oxidation-resistance and excellent thermostability, with the advantage such as bitumen compatibility is good.Particularly in the agent of solvent-borne type SBR adhesion rubber, have and maintain force of cohesion and good tack, especially in quick adhesion, Efficient Adhesive Promotion is obvious.
The sulphur powder that the present invention adopts is monoclinie sulfur, and the ring molecule formed by 8 S atoms, relative molecular weight is about 256, and density is 1.96g/cm
3, fusing point 119.0 DEG C.In pitch molten mass environment; butylbenzene glue macromole connects generating network structure by monosulfidic bond or polysulfidic bond; also participate in hydro carbons in pitch is high molecular; make light constituent assemble and shift to heavy constituent; reduce multiphase coexistence body interface energy, thus improve the hot storage stability of reactive blending asphalt adhesive liquid solution.
Butylbenzene glue modifying asphalt jointing material of the present invention, outstanding feature is that pitch and butylbenzene glue, terpine resin consistency are better, and molten state can form homogeneous colloid substantially, and mobility, pumping concrete castability strengthen.Compared with other thermally melting calkings, high temperature viscosity reduces, and is unlikely to blocking pouring machine pumping line, and meanwhile, along with jointing material viscosity degradation, the ability that fluid infiltrates interface improves, and strengthens the adhesive attraction of jointing material and interface.Further, butylbenzene glue modifying asphalt jointing material preparation technology flow process is simple, convenient transportation, adopts ordinary hot pouring machine to construct.
According to territory of use's weather condition and operating mode, by changing asphalt-based material, butylbenzene glue modifying asphalt jointing material of the present invention can form series product, the cement-concrete road joint cementation of fissures, the cementation of fissures maintenance of bituminous pavement dissimilar crack and decking expansion joint can be widely used in fill, there is good market application foreground and promotional value, huge economic results in society will be produced.The material that the present invention relates to can be obtained by such as under type:
Butadiene-styrene rubber liquid preparing process:
Butylbenzene glue is vinylbenzene-divinyl-vinylbenzene many block macromoleculars polymkeric substance of solution polymerization, and be thick liquid under normal temperature, density is 0.63 ~ 0.98g/cm3.Preparation method is: first in reactor, add solvent (C5 ~ C10) and conditioning agent, control specific equipment temperature at 40 ~ 80 DEG C, pressure is at 0.05 ~ 0.5MPa, 10 ~ 50 parts of vinylbenzene and proper catalyst is added in reactor, add 90 ~ 50 parts of divinyl in 5 ~ 20 minutes backward reactors, be warming up to 80 ~ 120 DEG C, in 1 ~ 20 minute backward reactor, add coupling agent, stir after 5 ~ 20 minutes, desolvation obtains butylbenzene glue.This glue obviously can improve low temperature flexibility and the ductility of pitch, reduces asphalt viscosity, better with bitumen compatibility.
The market purchasing information of table 1. terpine resin, sulphur powder
Embodiment
Butylbenzene glue modifying asphalt jointing material preparation method of the present invention, comprise the following steps: take starting material first in proportion, stirring-type reactor is preheated to 120 ~ 140 DEG C, input pitch is also warming up to 150 DEG C, successively mix butylbenzene glue, terpine resin stirs 15min, add sulphur powder again and stir 5min, be finally cooled at 130 DEG C of constant temperature 30min, export barreled and namely make calking finished product.
For convenience of explanation with contrast, below each embodiment be calking flow out from reactor sampling namely test its technical feature.
According to the difference of territory of use's weather condition, embodiment 1 ~ embodiment 3 adopts 70# petroleum pitch, is suitable for summer hot-zone; Embodiment 4 ~ embodiment 6 adopts 90# oil, is suitable for Xia Liangqu, winter-warm syndrome district; Embodiment 7 ~ embodiment 9 adopts 110# petroleum pitch, is suitable for winter cold-zone, cold district.
Embodiment 1:
70# petroleum pitch 90%, butylbenzene glue 6%, terpine resin 3.0%, sulphur powder 1.0%.
Embodiment 2:
70# petroleum pitch 88%, butylbenzene glue 7%, terpine resin 3.5%, sulphur powder 1.5%.
Embodiment 3:
70# petroleum pitch 86%%, butylbenzene glue 8%, terpine resin 5.0%, sulphur powder 1.0%.
Embodiment 4:
90# petroleum pitch 90%, butylbenzene glue 6%, terpine resin 3.0%, sulphur powder 1.0%.
Embodiment 5:
90# petroleum pitch 88%, butylbenzene glue 7%, terpine resin 3.5%, sulphur powder 1.5%.
Embodiment 6:
90# petroleum pitch 86%%, butylbenzene glue 8%, terpine resin 5.0%, sulphur powder 1.0%.
Embodiment 7:
110# petroleum pitch 90%, butylbenzene glue 6%, terpine resin 3.0%, sulphur powder 1.0%.
Embodiment 8:
110# petroleum pitch 88%, butylbenzene glue 7%, terpine resin 3.5%, sulphur powder 1.5%.
Embodiment 9:
110# petroleum pitch 86%%, butylbenzene glue 8%, terpine resin 5.0%, sulphur powder 1.0%.
Prepare 9 kinds of butylbenzene glue modifying asphalt jointing materials by the proportion relation of embodiment 1 ~ embodiment 9, according to " highway engineering pitch and Asphalt Mixture Experiment code " (JTG E20-2011), test each sample technical feature, test-results is in table 2.
Table 2 butylbenzene glue modifying asphalt calking technical feature
Claims (6)
1. a modifying asphalt jointing material for butylbenzene glue, is characterized in that, 100% is made up of following raw material by weight: butylbenzene glue 5 ~ 8%, terpine resin 3 ~ 5%, sulphur powder 0.5 ~ 1.5%, petroleum pitch surplus.
2. the modifying asphalt jointing material of butylbenzene glue according to claim 1, is characterized in that: described petroleum pitch selects No. 70, No. 90 or No. 110 petroleum pitch, and be black solid under normal temperature, density is 1.0g/cm
3, softening temperature is 46 DEG C, along with the rising of Heating temperature, from solid-state to viscous state, until more than 150 DEG C, becomes complete liquid state.
3. the modifying asphalt jointing material of butylbenzene glue according to claim 1, it is characterized in that: described butylbenzene glue is that vinylbenzene and divinylic monomer react through anionic solution polymerization, form vinylbenzene-divinyl-vinylbenzene many block macromoleculars polymkeric substance, be thick liquid under normal temperature, density is 0.63 ~ 0.98g/cm
3.
4. the modifying asphalt jointing material of butylbenzene glue according to claim 1, is characterized in that: described terpine resin is some thermoplastic block copolymers, molecular-weight average between 650 ~ 2600, density: 0.9 ~ 1.0g/cm
3, softening temperature: 80 ~ 140 DEG C, water insoluble, acidproof, alkaline-resisting, good weatherability is nontoxic.
5. the modifying asphalt jointing material of butylbenzene glue according to claim 1, is characterized in that: described sulphur powder is monoclinie sulfur, and relative molecular weight is 256, and density is 1.96g/cm
3, fusing point 119.0 DEG C.
6. the preparation method of the modifying asphalt jointing material of a butylbenzene glue according to claim 1, it is characterized in that: comprise the following steps: take starting material first in proportion, stirring-type reactor is preheated to 120 ~ 140 DEG C, input pitch is also warming up to 150 DEG C, then mix butylbenzene glue, terpine resin stirs 15min, add sulphur powder again and stir 5min, be finally cooled at 130 DEG C of constant temperature 30min, export barreled and namely make calking finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310219859.7A CN104212186B (en) | 2013-06-05 | 2013-06-05 | Styrene-butadiene rubber liquid modified asphalt caulking material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310219859.7A CN104212186B (en) | 2013-06-05 | 2013-06-05 | Styrene-butadiene rubber liquid modified asphalt caulking material and preparation method thereof |
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| Publication Number | Publication Date |
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| CN104212186A true CN104212186A (en) | 2014-12-17 |
| CN104212186B CN104212186B (en) | 2017-07-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113897173A (en) * | 2021-10-27 | 2022-01-07 | 中国石油化工股份有限公司 | Normal-temperature engineering caulking glue and preparation method thereof |
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| CN103044931A (en) * | 2011-10-17 | 2013-04-17 | 中国石油化工股份有限公司 | Caulking filling material easy for construction and preparation method thereof |
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2013
- 2013-06-05 CN CN201310219859.7A patent/CN104212186B/en active Active
Patent Citations (6)
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