CN108587199A - A kind of high fluidity slip casting modified pitch and preparation method thereof - Google Patents
A kind of high fluidity slip casting modified pitch and preparation method thereof Download PDFInfo
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- CN108587199A CN108587199A CN201810387009.0A CN201810387009A CN108587199A CN 108587199 A CN108587199 A CN 108587199A CN 201810387009 A CN201810387009 A CN 201810387009A CN 108587199 A CN108587199 A CN 108587199A
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- slip casting
- pitch
- high fluidity
- modified pitch
- petropols
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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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L57/00—Compositions of unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08L57/02—Copolymers of mineral oil hydrocarbons
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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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a kind of high fluidity slip casting modified pitch and preparation method thereof, are calculated in mass percent including following components：38.5%~63.5% matrix pitch；30%~50% C9 Petropols；1%~3% aromatic naphtha；4%~6% SBS modifier；1.5%~2.5% ethoxy ethylene bis stearamide.The high fluidity slip casting modified pitch hardening strength of the present invention is high, stability is good, good flowing properties.
Description
Technical field
The invention belongs to building material fields, and in particular to a kind of high fluidity slip casting modified pitch and preparation method thereof.
Background technology
High speed, the heavy loading transported with highway and urban road is brought sternly to the construction and operation of road infrastructure
High challenge.Under the comprehensive functions such as excessive, the improper, natural cause of designing and constructing of traffic loading, some roadbases, roadbed occur
The damage of different type, degree, is mainly shown as the forms such as crack, track, pit slot and local subsidence.Slurry injection technique is common
One of road rapid curing mode, current China's road slip casting with cement base, based on polymer material.Cement base starches material cost
Low, consolidating strength is high and impervious stronger, but the characteristics of due to cement material itself, that there are stability is poor, easily isolate and
Generate the shortcomings of bleeding is low with Chen Dian, the property noted and setting time is long；Although ground polymers slip casting curing time is less than cement base
Slip casting, but still 1~3 day is needed, and ground polymers injecting paste material is expensive, slip casting is affected by geology and weather conditions.
Pitch is not soluble in water, and firm time is fast, and pitch slip casting is come to nothing reinforcing engineering applied to road, water can be effectively prevent to road
It influences.But existing slip casting pitch hardness and softening point are relatively low, and stability is poor, are improved to slip casting pitch, to improve slip casting
Mobile performance, hardening strength and the durability of pitch can not only effectively prevent the shadow of water in this way with the injection of heated bitumen
It rings, while after pitch cooling, good support can also be formed at position of coming to nothing, play a dual role of waterproof and reinforcing.But
It is that current China researches and develops special slip casting material for the basic blank of heated bitumen grouting and reinforcing there is an urgent need for being directed to heated bitumen slip casting feature.
Invention content
The present invention is in order to solve the problems, such as that existing injecting paste material hardening strength is low, stability is poor, poor mobile performance, to carry
A kind of high fluidity slip casting modified pitch and preparation method thereof is supplied, the high fluidity slip casting modified pitch stability is high and flows
Dynamic property is good.
To achieve the goals above, the present invention uses following technical scheme：
A kind of high fluidity slip casting modified pitch comprising following components：
38.5%~63.5% matrix pitch；
30%~50% C9 Petropols；
1%~3% aromatic naphtha；
4%~6% SBS modifier；
1.5%~2.5% ethoxy ethylene bis stearamide.
In the present invention, the high fluidity slip casting modified pitch is preferably comprised following components：
38.5%~50.8% matrix pitch；
40%~50% C9 Petropols；
1.2%~3% aromatic naphtha；
5%~6% SBS modifier；
2%~2.5% ethoxy ethylene bis stearamide.
In the present invention, the high fluidity slip casting modified pitch is more preferably composed of the following components：
39.5% matrix pitch；
50% C9 Petropols；
3% aromatic naphtha；
5% SBS modifier；
2.5% ethoxy ethylene bis stearamide.
In the present invention, each percentage is mass percent.
In the present invention, the matrix pitch is this field conventional pitch, preferably 70# matrix pitches.
In the present invention, the softening point of the C9 Petropols is about 110 DEG C~120 DEG C.
In the present invention, the SBS modifier is this field routine SBS modifier, and model is preferably LG501.
In the present invention, the aromatic naphtha is this field routine aromatic naphtha.Aromatic naphtha is also known as hydrocarbon oil, is rich in aromatic hydrocarbon,
Arene content >=85% in the aromatic naphtha, ash content≤0.05%, moisture≤0.01%, 5 DEG C of solidification point ＜, flash-point >=220
DEG C, solidification point is constructed at normal temperatures less than 5 DEG C.
In the present invention, the ethoxy ethylene bis stearamide is for reducing high temperature viscosity.
Can be that this field routinely prepares the present invention also provides the preparation method of above-mentioned high fluidity slip casting modified pitch
Method is preferably comprised following steps：By the matrix pitch, C9 Petropols, aromatic naphtha and SBS modifier according to above-mentioned
Proportioning is uniformly mixed, and is ground 30~50 minutes, is stirred for 50~70 minutes at 170~190 DEG C, you can.
On the basis of common knowledge of the art, above-mentioned each optimum condition can be combined arbitrarily to get each preferable reality of the present invention
Example.
The reagents and materials used in the present invention are commercially available.
The positive effect of the present invention is that：
The present invention passes through by a certain percentage by C9 Petropols, aromatic naphtha, SBS modifier and ethoxy ethylene stearic bicine diester
Amine use simultaneously is modified matrix pitch, and obtained high fluidity slip casting modified pitch, needle penetration is less than 10
(0.1mm), softening point is more than 75 DEG C, and 48h after-tack point differences are not more than 2 DEG C, and stability is high, and durability is good；Its viscosity exists
It is less than 3Pas, good fluidity at 180 DEG C, dilation angle is suitable for mortar depositing construction within the scope of 1.5~3.0m.In addition, C9 oil
By-product of the resin in ethylene industry, C9 Petropols are used to be modified slip casting asphalt material by the present invention, to efficiently use
C9 Petropols provide thinking.
Specific implementation mode
It is further illustrated the present invention below by the mode of embodiment, but does not therefore limit the present invention to the reality
It applies among a range.In the following examples, the experimental methods for specific conditions are not specified, according to conventional methods and conditions, or according to quotient
Product specification selects.
Embodiment 1
By 70# matrix pitches, C9 Petropols, aromatic naphtha, LG501 types SBS, ethoxy ethylene bis stearamide according to
63.5：30：1：4：1.5 mass ratio weighs, and is placed in colloid mill, is ground 40 minutes at 180 DEG C, in stirring 60 minutes, i.e.,
It can.
Embodiment 2
70# matrix pitches, C9 Petropols, aromatic naphtha, LG501 types SBS, ethoxy ethylene stearic bicine diester in the present embodiment
The mass ratio of amine is 50.8：40：1.2：6：2, preparation process and step are the same as embodiment 1.
Embodiment 3
70# matrix pitches, C9 Petropols, aromatic naphtha, LG501 types SBS, ethoxy ethylene stearic bicine diester in the present embodiment
The mass ratio of amine is 39.5：50：3：5：2.5, preparation process and step are the same as embodiment 1.
Comparative example 1
70# matrix pitches, C9 Petropols, aromatic naphtha, LG501 types SBS, ethoxy ethylene stearic bicine diester in this comparative example
The mass ratio of amine is 65：25：2：6：2, preparation process and step are the same as embodiment 1
Comparative example 2
70# matrix pitches, C9 Petropols, aromatic naphtha, LG501 types SBS, ethoxy ethylene stearic bicine diester in this comparative example
The mass ratio of amine is 35：55：2：6：2, preparation process and step are the same as embodiment 1
Effect example
1, the measurement of needle penetration：Asphalt Penetration refers to basis《T0604-2011 asphalt penetration tests》Method,
At 25 DEG C, the standard prong of load-carrying 100g vertically penetrates the depth of sample in the 5s times of measurement.Due to the list of Asphalt Penetration
Position is 0.1mm, and Asphalt Penetration of the invention is that 10 obtained numerical value are multiplied by the basis of the depth.
2, the measurement of softening point：The test method of asphalt softening point according to《T0606-2011 bituminous softening-point tests are (global
Method)》, i.e., sample is noted in the copper ring of predetermined size, 5 DEG C of temperature is after at least 15 minutes as defined in holding, right over copper ring
Steel ball is put, blender is started, is begun to warm up, so that water temperature is adjusted to 5 DEG C ± 0.5 DEG C of rising per minute in 3 minutes, records every point
The temperature value that clock rises；When sample is gradually dropped by thermal softening, until when being contacted with lower floor surface, temperature value is read, is denoted as
Softening point.
3, the measurement of the difference of 48h after-tacks point：According to《T0661-2011 polymer modified asphalt isolation tests》It is surveyed
Determine the difference of the 48h after-tack points of slip casting pitch.
4, the measurement of viscosity：Viscosity according to《T0619-2011 asphalt movement viscosity tests (capillary tube method)》Measure 180 DEG C
The viscosity of slip casting pitch.
5, the measurement of dilation angle：Dilation angle is measured using this field conventional method, i.e., in injected hole periphery 1m
Start, outward every 30cm core boring samplings, check whether slip casting pitch reaches, be incremented by outward successively again after arrival, until slip casting
The limit that pitch reaches is recorded as slip casting dilation angle.
The performance of high fluidity slip casting modified pitch made from the embodiment of the present invention 1~3 and comparative example 1 and 2, such as 1 institute of table
Show：
Table 1
Table 2 is pitch injecting paste material main performance index.
Table 2
Claims (7)
1. a kind of high fluidity slip casting modified pitch, which is characterized in that be calculated in mass percent, including following components：
38.5%~63.5% matrix pitch；
30%~50% C9 Petropols；
1%~3% aromatic naphtha；
4%~6% SBS modifier；
1.5%~2.5% ethoxy ethylene bis stearamide.
2. high fluidity slip casting modified pitch according to claim 1, which is characterized in that including following components：
38.5%~50.8% matrix pitch；
40%~50% C9 Petropols；
1.2%~3% aromatic naphtha；
5%~6% SBS modifier；
2%~2.5% ethoxy ethylene bis stearamide.
3. high fluidity slip casting modified pitch according to claim 1, which is characterized in that composed of the following components：
39.5% matrix pitch；
50% C9 Petropols；
3% aromatic naphtha；
5% SBS modifier；
2.5% ethoxy ethylene bis stearamide.
4. high fluidity slip casting modified pitch according to claim 1, which is characterized in that the matrix pitch is 70# bases
Matter pitch.
5. high fluidity slip casting modified pitch according to claim 1, which is characterized in that the softening of the C9 Petropols
About 110 DEG C~120 DEG C of point.
6. high fluidity slip casting modified pitch according to claim 1, which is characterized in that the model of the SBS modifier
For LG501.
7. a kind of preparation method of high fluidity slip casting modified pitch as described in any one of claim 1-6, feature exist
In including the following steps：The matrix pitch, C9 Petropols, aromatic naphtha, SBS modifier and ethoxy ethylene is double hard
Acyl amine is uniformly mixed according to said ratio, is ground 30~50 minutes at 170~190 DEG C, is stirred for 50~70 minutes, i.e.,
It can.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810387009.0A CN108587199B (en) | 2018-04-26 | 2018-04-26 | High-fluidity grouting modified asphalt and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810387009.0A CN108587199B (en) | 2018-04-26 | 2018-04-26 | High-fluidity grouting modified asphalt and preparation method thereof |
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| CN108587199A true CN108587199A (en) | 2018-09-28 |
| CN108587199B CN108587199B (en) | 2020-12-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113429731A (en) * | 2021-06-04 | 2021-09-24 | 湖南省交通科学研究院有限公司 | Environment-friendly asphalt high-viscosity additive and preparation method thereof |
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| CN101838510A (en) * | 2010-06-02 | 2010-09-22 | 安徽三缔沥青材料有限公司 | High efficiency resin fissures cementation glue and preparation thereof |
| CN102433007A (en) * | 2011-10-12 | 2012-05-02 | 中国石油化工股份有限公司 | Caulking asphalt for roads and bridges, and preparation method for caulking asphalt |
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| CN104830080A (en) * | 2015-05-20 | 2015-08-12 | 上海市建筑科学研究院(集团)有限公司 | Asphalt grouting material for roadbed reinforcement |
| CN104177846B (en) * | 2014-07-31 | 2016-07-06 | 上海城建新路桥建设工程有限公司 | Injecting paste material, grouting method and road maintenance method for maintaining |
| CN107620249A (en) * | 2017-09-30 | 2018-01-23 | 广州市公路勘察设计有限公司 | A kind of pitch base grouting material and its construction method for reinforcing road |
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2018
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| CN101838510A (en) * | 2010-06-02 | 2010-09-22 | 安徽三缔沥青材料有限公司 | High efficiency resin fissures cementation glue and preparation thereof |
| CN102433007A (en) * | 2011-10-12 | 2012-05-02 | 中国石油化工股份有限公司 | Caulking asphalt for roads and bridges, and preparation method for caulking asphalt |
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Cited By (1)
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| CN113429731A (en) * | 2021-06-04 | 2021-09-24 | 湖南省交通科学研究院有限公司 | Environment-friendly asphalt high-viscosity additive and preparation method thereof |
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| CN108587199B (en) | 2020-12-25 |
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