CN107868482A - A kind of SBS modified emulsifying asphalts and its preparation technology - Google Patents
A kind of SBS modified emulsifying asphalts and its preparation technology Download PDFInfo
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- CN107868482A CN107868482A CN201711333107.8A CN201711333107A CN107868482A CN 107868482 A CN107868482 A CN 107868482A CN 201711333107 A CN201711333107 A CN 201711333107A CN 107868482 A CN107868482 A CN 107868482A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/16—Halogen-containing compounds
- C08K2003/162—Calcium, strontium or barium halides, e.g. calcium, strontium or barium chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention discloses a kind of SBS modified emulsifying asphalts and its preparation technology, the preparation technology is appropriate for industrialized production, and repdocutbility is strong.And the SBS modified emulsifying asphalts obtained by the present invention have the advantage of high viscous, high softening-point and high solids content when being used for the special adhesion coating of newly-built road and top dressing special binder material.
Description
Technical field
The present invention relates to bridge building materials field, and in particular to a kind of SBS modified emulsifying asphalts and its preparation technology.
Background technology
With the fast development of China's road traffic cause, " at a high speed, heavy duty " proposes to road quality and maintenance technology
Requirements at the higher level.Emulsified asphalt has the advantages that economic, environmental protection and construction are convenient, has been widely used for newly-built road and old in recent years
In the maintenance project of road.Relative to common emulsified asphalt, SBS modified emulsifying asphalts are as adhesion coating and sealing, the Jiu Dao newly to repair roads
Interlayer in the transformation maintenance of road, the special binder material at surface in smelting and various imported technologies, can meet Modern Traffic to " high
The requirement of speed, heavy duty ".But it is less in the prior art to be studied for bridge building materials with emulsified asphalt, and existing preparation technology
Industrialized production is difficult to, product repdocutbility is low, and preparation-obtained emulsified asphalt is as the special adhesion coating of newly-built road and table
When special binder material is punished in face, corresponding performance requirement is unable to reach.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of SBS modified emulsifying asphalts and its preparation technology.The preparation
Technique is appropriate for industrialized production, and repdocutbility is strong.And the SBS modified emulsifying asphalts obtained by the present invention are used for newly-built road spy
When different adhesion coating and top dressing special binder material, there is the advantage of high viscous, high softening-point and high solids content.
The concrete scheme of the present invention is to provide a kind of SBS modified emulsifying asphalts：
The SBS modified emulsifying asphalts are by matrix pitch, SBS, compatilizer, stabilizer I, stabilizer II, additive, emulsification
Agent, hydrochloric acid and water composition, the SBS mass are the 3.5%-4.5% of matrix pitch quality, and compatilizer quality is matrix pitch matter
The 1.5%-3% of amount, stabilizer I quality are the 1%-2% of matrix pitch quality；Stabilizer II quality drips for modified emulsifying
The 0.05%-0.15% of blue or green quality, additive quality are modified emulsifying asphalt quality 0.03%-0.06%, and emulsifying agent quality is
Modified emulsifying asphalt quality 0.3%-0.5%, hydrochloric acid quality are modified emulsifying asphalt quality 0.2%-0.4%, and water quality is to change
Property emulsified asphalt quality 32%-34%, wherein, compatilizer is furfural extract oil, and stabilizer I is sulphur, and additive is Aksu
Nobel AP, emulsifying agent are Akzo Nobel 4819, and stabilizer II is calcium chloride, and additive is that concentration mass concentration is 36%
Technical hydrochloric acid.
SBS modified emulsifying asphalts of the present invention meet JTG F40-2004.
The coordinated of each component acts on, and the intermiscibility between each raw material of product not only obtained is good, easily emulsification, is not easy
Demulsification, good stability, and adjustable modified emulsifying asphalt acid number.
The high-temperature stability of the SBS modified emulsifying asphalts, the nonshrink ability of splitting of low temperature, cohesive force, adhesion strength, water resistant stripping
Fall ability, early strength and anti-fatigue performance, extension pavement life etc. to improve.
Present invention also offers a kind of preparation technology of SBS modified emulsifying asphalts, comprise the following steps：
(1) SBS modified pitch is prepared：Matrix pitch and compatilizer are mixed, 150-165 DEG C is heated to, by SBS and stably
Agent I is added in matrix pitch, and shearing is scattered, stirring health, and temperature is kept for 175 DEG C -185 DEG C, SBS modified pitch is prepared,
Then additive is added, is heated to 165-170 DEG C；
(2) soap lye is prepared：Emulsifying agent, stabilizer and hydrochloric acid are added in the water that temperature is 60-80 DEG C respectively, adjust PH
Soap lye is made to 1.5-2.5 in value, be heated to 55-60 DEG C it is stand-by；
(3) SBS modified emulsifying asphalts are prepared：SBS modified pitch that step (1) is prepared, step (2) are prepared
Soap lye mixing, sheared through colloid mill, SBS modified emulsifying asphalts be prepared.
The preparation technology is appropriate for industrialized production, and repdocutbility is strong.
The present invention further comprises following optimal technical scheme：
In preferable scheme, in step (1), after compatilizer mixes with matrix pitch, high-speed shearing machine is opened, is then added
SBS, shears 1-3h, and stabilizer I is added before shearing terminates in 3-10min.
By above-mentioned preferred scheme, the SBS modified pitch good dispersions being prepared, easy to knot groups, does not prevent liquid splash.
In preferable scheme, in step (1), stabilizer I a small amount of, more batches of additions before shearing terminates.
In preferable scheme, in step (1), stabilizer I divides 3-8 batches to add before shearing terminates.
In preferable scheme, in step (1), after adding stabilizer I, paddle stirrer is opened, makes SBS modified asphalt-stirrings
In swirling.
In step (1), shear rate 4000-5000rad/min.
Wherein, the product type of the Akzo Nobel AP is preferably Akzo Nobel Redicote AP.
The product type of the Akzo Nobel 4819 is preferably Akzo Nobel Redicote E-4819.
SBS modified emulsifying asphalts obtained by above-mentioned preparation technology have the characteristics of high viscous, high softening-point and high solids content,
Reach and be higher than the requirement of Ministry of Communications JTG F40-2004 product specification, can be applied to the special bituminous pavings such as ultra-thin wearing layer and
Associated construction technique.
Brief description of the drawings
Fig. 1 is preparation SBS modified pitch operating process schematic diagrams.
Fig. 2 is the particle size distribution figure of the gained SBS modified emulsifying asphalts of embodiment 1.
Embodiment
A kind of preparation technology of SBS modified emulsifying asphalts, concrete operation step are as follows：
(1) SBS modified pitch is prepared：Compatilizer furfural extract oil is added in matrix pitch, is heated to 160 DEG C, afterwards
Yueyang petrochemical industry SBS791H modifying agent is added, high-speed shearing machine rotating speed is adjusted to 4500rad/min, shears 60min, and temperature keeps 175
DEG C~185 DEG C, sulphur is put on a small quantity in batches before high speed shear terminates in 5 minutes, then paddle stirrer is opened, at 180 DEG C,
It is in swirling 120min to make SBS modified asphalt-stirrings, and SBS modified pitch is made, adds additive Akzo Nobel
Redicote AP, to 165 DEG C -170 DEG C of temperature is emulsified, operating process is as shown in Figure 1 for temperature adjustment.
(2) soap lye is prepared：The 2/3 of total soap lye water consumption is added in container of soap, is heated to 60-80 DEG C, starts to stir, adds
Enter to add behind the 1/2 of total hydrochloric acid dosage all emulsifiers of ratio requirement, add remaining 1/2 hydrochloric acid and stabilizer chlorination
Calcium, stir to the transparent clarification of soap lye, acid adjustment is measured to PH=2 using acidometer, temperature adjustment to 55 DEG C~60 DEG C of emulsifying temperature.
(3) prepared by SBS modified emulsifying asphalts：Mulser, soap pump, bitumenpump are opened successively.Soap lye and pitch is set to follow certainly
Ring, heat engine effect is played, observation pitch displays temperature is 165 DEG C -170 DEG C and 55 DEG C -60 DEG C of soap lye displays temperature；Open soap
Liquid valve, soap lye is entered colloid mill, play defibrator process effect, then slowly open asphalt valve, observation solid content show value is in setting value
During left and right, by fine-adjusting current voltage, emulsified asphalt solid content is finally set to reach accurate setting value；After stabilization to be produced, cold
Condenser sample tap samples, and carries out 60 eye mesh screen filtration tests, if surface particles thing is less, represents that production is smooth, if particulate matter compared with
It is more, shutdown inspection, produce again；After production, it is necessary to soap lye flushing pipe, block pipeline after preventing demulsification, shutdown is suitable
Sequence is bitumenpump, soap pump, mulser, closes all power supplys.
Points for attention：1st, 70 DEG C of insulations need to be carried out to finished pot by having ready conditions；2nd, 2 times/day of stirring daily is ensured；3rd, modified milk
Change pitch easily skinning to the cold, need to stir before entrucking, and cross 60 mesh nets can entrucking dispense, prevent Coating clogging spray hole.
The technique effect of the present invention is further described with preparation process below, it is thus understood that these preparation process are only used for
The purpose of illustration, is not limited the scope of the invention, at the same those of ordinary skill in the art according to the present invention done it is apparent
Change and modification be also contained within the scope of the invention.
The SBS modified pitch formulas of table 1
| Former material | Matrix pitch/% | SBS/% | Compatilizer/% | Stabilizer I/% |
| Embodiment 1 | 100 | 4 | 3 | 0.2 |
| Embodiment 2 | 100 | 4 | 2 | 0.2 |
| Comparative example 1 | 100 | 4 | 0 | 0.2 |
The SBS modified pitch formula test results of table 2
As known from Table 2, compared with comparative example 1, bitumen ductility, needle penetration and ductility carry in embodiment 1 and embodiment 2
Height, asphalt softening point are reduced, and detect unit repetition measurement through third party, and the result repeatability and product of embodiment 1 and embodiment 2 are answered
Existing property is excellent.
The SBS modified emulsifying asphalt formulas of table 3
The SBS modified emulsifying asphalt test datas of table 4
As shown in Fig. 2 50=2.034 μm of the gained SBS modified emulsifying asphalts mean particle size D of embodiment 1, upper limit particle size D97
=10.823 μm, product has the advantages that low fineness, repdocutbility are good, and emulsion quality is high, and stability is strong.
Claims (7)
- A kind of 1. SBS modified emulsifying asphalts, it is characterised in that：The SBS modified emulsifying asphalts are by matrix pitch, SBS, compatible Agent, stabilizer I, stabilizer II, additive, emulsifying agent, hydrochloric acid and water composition, the SBS mass are matrix pitch quality 3.5%-4.5%, compatilizer quality are the 1.5%-3% of matrix pitch quality, and stabilizer I quality is matrix pitch quality 1%-2%；Stabilizer II quality is the 0.05%-0.15% of modified emulsifying asphalt quality, and additive quality is modified emulsifying Asphalt quality 0.03%-0.06%, emulsifying agent quality are modified emulsifying asphalt quality 0.3%-0.5%, and hydrochloric acid quality is modification Emulsified asphalt quality 0.2%-0.4%, water quality are modified emulsifying asphalt quality 32%-34%, wherein, compatilizer is taken out for furfural Fuel-displaced, stabilizer I is sulphur, and additive is Akzo Nobel AP, and emulsifying agent is Akzo Nobel 4819, and stabilizer II is Calcium chloride, additive are the technical hydrochloric acid that concentration mass concentration is 36%.
- 2. the preparation technology of SBS modified emulsifying asphalts described in claim 1, it is characterised in that the preparation technology includes as follows Step：(1) SBS modified pitch is prepared：Matrix pitch and compatilizer are mixed, 150-165 DEG C is heated to, by SBS and stabilizer I Add in matrix pitch, shearing is scattered, stirring health, and temperature is kept for 175 DEG C~185 DEG C, SBS modified pitch is prepared, so After add additive, be heated to 165-170 DEG C；(2) soap lye is prepared：Emulsifying agent, stabilizer and hydrochloric acid are added into temperature respectively is in 60-80 DEG C of water, regulation pH value to 1.5-2.5, soap lye is made, be heated to 55-60 DEG C it is stand-by；(3) SBS modified emulsifying asphalts are prepared：The soap that SBS modified pitch that step (1) is prepared, step (2) are prepared Liquid mixes, and is sheared through colloid mill, SBS modified emulsifying asphalts are prepared.
- 3. the preparation technology of SBS modified emulsifying asphalts according to claim 2, it is characterised in that in step (1), compatilizer After being mixed with matrix pitch, high-speed shearing machine is opened, then adds SBS, shears 1-3h, stabilizer I 3- before shearing terminates Added in 10min.
- 4. the preparation technology of SBS modified emulsifying asphalts according to Claims 2 or 3, it is characterised in that stable in step (1) Agent I a small amount of, more batches of additions before shearing terminates.
- 5. the preparation technology of SBS modified emulsifying asphalts according to Claims 2 or 3, it is characterised in that stable in step (1) Agent I divides 3-8 batches to add before shearing terminates.
- 6. the preparation technology of SBS modified emulsifying asphalts according to Claims 2 or 3, it is characterised in that in step (1), add After stabilizer I, paddle stirrer is opened, it is in swirling to make SBS modified asphalt-stirrings.
- 7. the preparation technology of SBS modified emulsifying asphalts according to Claims 2 or 3, it is characterised in that the shear rate is 4000-5000rad/min。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711333107.8A CN107868482A (en) | 2017-12-13 | 2017-12-13 | A kind of SBS modified emulsifying asphalts and its preparation technology |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108707422A (en) * | 2018-08-21 | 2018-10-26 | 四川蜀羊防水材料有限公司 | A kind of weatherability soluble asphalt dipping cream and preparation method thereof |
| CN109096781A (en) * | 2018-09-05 | 2018-12-28 | 中石油燃料油有限责任公司研究院 | A kind of modified emulsifying asphalt and preparation method thereof |
| CN111286209A (en) * | 2020-03-31 | 2020-06-16 | 东南大学 | SBS high-viscosity modified emulsified asphalt material and preparation process thereof |
| CN111349347A (en) * | 2020-05-14 | 2020-06-30 | 海娇 | Modified emulsified asphalt and preparation method thereof |
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| CN103951994A (en) * | 2014-05-08 | 2014-07-30 | 中海沥青（泰州）有限责任公司 | SBS (styrene butadiene styrene)/SBR (styrene butadiene rubber) composite modified emulsified asphalt and preparation method thereof |
| CN106554635A (en) * | 2016-11-16 | 2017-04-05 | 中石油江苏燃料沥青有限责任公司 | A kind of high softening-point SBS modified emulsifying asphalts and preparation method thereof |
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2017
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Patent Citations (2)
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| CN103951994A (en) * | 2014-05-08 | 2014-07-30 | 中海沥青（泰州）有限责任公司 | SBS (styrene butadiene styrene)/SBR (styrene butadiene rubber) composite modified emulsified asphalt and preparation method thereof |
| CN106554635A (en) * | 2016-11-16 | 2017-04-05 | 中石油江苏燃料沥青有限责任公司 | A kind of high softening-point SBS modified emulsifying asphalts and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108707422A (en) * | 2018-08-21 | 2018-10-26 | 四川蜀羊防水材料有限公司 | A kind of weatherability soluble asphalt dipping cream and preparation method thereof |
| CN109096781A (en) * | 2018-09-05 | 2018-12-28 | 中石油燃料油有限责任公司研究院 | A kind of modified emulsifying asphalt and preparation method thereof |
| CN109096781B (en) * | 2018-09-05 | 2023-12-05 | 中国石油天然气股份有限公司 | Modified emulsified asphalt and preparation method thereof |
| CN111286209A (en) * | 2020-03-31 | 2020-06-16 | 东南大学 | SBS high-viscosity modified emulsified asphalt material and preparation process thereof |
| CN111286209B (en) * | 2020-03-31 | 2022-03-04 | 东南大学 | SBS high-viscosity modified emulsified asphalt material and preparation process thereof |
| CN111349347A (en) * | 2020-05-14 | 2020-06-30 | 海娇 | Modified emulsified asphalt and preparation method thereof |
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Application publication date: 20180403 |
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