CN108165033A - High viscosity modified pitch and preparation method thereof - Google Patents
High viscosity modified pitch and preparation method thereof Download PDFInfo
- Publication number
- CN108165033A CN108165033A CN201711428564.5A CN201711428564A CN108165033A CN 108165033 A CN108165033 A CN 108165033A CN 201711428564 A CN201711428564 A CN 201711428564A CN 108165033 A CN108165033 A CN 108165033A
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- particle
- pitch
- sbs
- high viscosity
- rubber oil
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/20—Recycled plastic
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a kind of high viscosity modified pitch and preparation method thereof, and in terms of parts by weight, high viscosity modified pitch includes：Pitch 74 ~ 77；Shoddy 18 ~ 22；SBS 1~3；PE recycles particle 0.6 ~ 1；Stabilizer 0.1 ~ 0.15；Rubber oil 1 ~ 2.The height sticks modified pitch compared to modified asphalt, performance of modified bitumen has large increase, the anti-rut behavior on road surface can be promoted, high-temperature behavior is excellent, low temperature can resist embrittlement, to stress variate adaptability, fatigue durability is also very significantly improved, and can be perfectly suitable for High Grade Bitumen Pavement.
Description
Technical field
The present invention relates to a kind of high viscosity modified pitch and preparation method thereof.
Background technology
In recent years, with the fast development of China's asphalt pavement construction, useless rubber-plastics material is increasingly used in road
Field, especially dark-coloured pavement, such research trend have far-reaching significance.The asphalt roads load huge as one first
Body, but also in development at full speed, possess the ability for absorbing a large amount of useless rubber-plastics materials；Secondly, give up height of the rubber-plastics material to pitch
Cryogenic property tool has a certain upgrade, and the glutinous modified pitch of height can also improve vehicle comfort, reduce pavement noise, improve anti-vehicle
Rut performance, opposite cost aspect also have larger control space.Useless rubber-plastics material is mixed in modified pitch and promotes modified pitch
Pavement performance is a significantly research direction.
Invention content
Goal of the invention：Of the existing technology in order to solve the problems, such as, the present invention provides a kind of high viscosity modified pitch, goes forward side by side
One step provides the preparation method of the high-viscosity modified asphalt.
Technical solution：A kind of high viscosity modified pitch, in terms of parts by weight, including：Pitch 74 ~ 77；Shoddy 18 ~ 22；
SBS 1~3 ；PE recycles particle 0.6 ~ 1；Stabilizer 0.1 ~ 0.15；Rubber oil 1 ~ 2.
Preferably, the stabilizer is sulphur.
Preferably, the rubber oil is aromatic hydrocarbon rubber oil.
Preferably, the SBS is linear SBS and one kind or compounding in star shaped SBS；The pitch for No. 50, No. 70,90
Number and at least one of No. 110.
Preferably, in terms of parts by weight, including：Matrix pitch 76.85, shoddy particle 18, SBS 3, PE recycling particle
1, stabilizer 0.15, rubber oil 1.
Preferably, in terms of parts by weight, including：Matrix pitch 75.57, shoddy particle 20, SBS 2, PE recycling particle
0.8, stabilizer 0.13, rubber oil 1.5.
A kind of preparation method of high viscosity modified pitch, in terms of parts by weight, the high viscosity modified pitch includes pitch
74~77；Shoddy particle 18 ~ 22；SBS 1~3 ；PE recycles particle 0.6 ~ 1；Stabilizer 0.1 ~ 0.15；Rubber oil 1 ~ 2；
Include the following steps：Matrix pitch is added in agitator tank, SBS is added at 160 ~ 200 DEG C, after stirring 25 ~ 35 minutes
Shoddy particle, PE recycling particles and rubber oil are added in, opens after cutter is sheared 45 ~ 55 minutes and adds in stabilizer, continue
Stirring 55 ~ 65 minutes, controlled at 180 ~ 200 DEG C, squeezes into finished pot later.
Preferably, the stabilizer is sulphur.Preferably, the rubber oil is aroma type rubber oil.
Compared with prior art, the invention has the advantages that：The height sticks modified pitch and is dripped compared to common modifications
Blueness, performance of modified bitumen have large increase, can promote the anti-rut behavior on road surface, and high-temperature behavior is excellent, and low temperature can be resisted crisp
It splits, to stress variate adaptability, fatigue durability is also very significantly improved, and can be perfectly suitable for High Grade Bitumen Pavement.
Viscosity is product primary evaluation index in its index.
Specific embodiment
In the present invention, high viscosity modified pitch of the invention, main composed of the following components, pitch 74 ~ 77；Shoddy
Particle 18 ~ 22；SBS1 ~3 ；PE recycles particle 0.6 ~ 1；Stabilizer 0.1 ~ 0.15；Rubber oil 1 ~ 2.
Embodiment 1
In terms of parts by weight, matrix pitch 76.85；Processed shoddy particle 18； SBS3 ；PE recycles particle 1；Stablize
Agent 0.15；Rubber oil 1.
Matrix pitch is added in agitator tank, SBS is added at 180 DEG C, stirring adds in shoddy particle, PE after 30 minutes
Particle and rubber oil are recycled, opens after cutter is sheared 50 minutes and adds in stabilizer, continue stirring 60 minutes, controlled at
200 DEG C, finished pot is squeezed into later.
Embodiment 2
In terms of parts by weight, matrix pitch 75.57；Processed shoddy particle 20； SBS2 ；PE recycles particle 0.8；Surely
Determine agent 0.13；Rubber oil 1.5.
Matrix pitch is added in agitator tank, SBS is added at 190 DEG C, stirring adds in shoddy particle, PE after 25 minutes
Particle and rubber oil are recycled, opens after cutter is sheared 45 minutes and adds in stabilizer, continue stirring 55 minutes, controlled at
180 DEG C, finished pot is squeezed into later.
Embodiment 3
In terms of parts by weight, matrix pitch 74.30；Processed shoddy particle 22； SBS1 ；PE recycles particle 0.6；Surely
Determine agent 0.1；Rubber oil 2.
Matrix pitch is added in agitator tank, SBS is added at 160 DEG C, stirring adds in shoddy particle, PE after 35 minutes
Particle and rubber oil are recycled, opens after cutter is sheared 45 minutes and adds in stabilizer, continue stirring 55 minutes, controlled at
190 DEG C, finished pot is squeezed into later.
Embodiment 4
In terms of parts by weight, matrix pitch 77；Processed shoddy particle 19； SBS 2；PE recycles particle 0.8；Stabilizer
0.12；Rubber oil 1.5.
Matrix pitch is added in agitator tank, SBS is added at 160 DEG C, stirring adds in shoddy particle, PE after 35 minutes
Particle and rubber oil are recycled, opens after cutter is sheared 45 minutes and adds in stabilizer, continue stirring 65 minutes, controlled at
180 DEG C, finished pot is squeezed into later.
Embodiment 5
In terms of parts by weight, matter pitch 74；Processed shoddy particle 22； SBS 2；PE recycles particle 0.6；Stabilizer
0.1；Rubber oil 2.
Matrix pitch is added in agitator tank, SBS is added at 200 DEG C, stirring adds in shoddy particle, PE after 25 minutes
Particle and rubber oil are recycled, opens after cutter is sheared 45 minutes and adds in stabilizer, continue stirring 55 minutes, controlled at
190 DEG C, finished pot is squeezed into later.
Embodiment 6
In terms of parts by weight, matrix pitch 75；Processed shoddy particle 22； SBS 1；PE recycles particle 0.6；Stabilizer
0.15；Rubber oil 2.
Matrix pitch is added in agitator tank, SBS is added at 160 DEG C, stirring adds in shoddy particle, PE after 35 minutes
Particle and rubber oil are recycled, opens after cutter is sheared 50 minutes and adds in stabilizer, continue stirring 55 minutes, controlled at
180 DEG C, finished pot is squeezed into later.
Embodiment 7
In terms of parts by weight, matrix pitch 74；Processed shoddy particle 20； SBS 2；PE recycles particle 0.8；Stabilizer
0.12；Rubber oil 1.8.
Matrix pitch is added in agitator tank, SBS is added at 175 DEG C, stirring adds in shoddy particle, PE after 25 minutes
Particle and rubber oil are recycled, opens after cutter is sheared 55 minutes and adds in stabilizer, continue stirring 55 minutes, controlled at
200 DEG C, finished pot is squeezed into later.
Embodiment 8
In terms of parts by weight, matrix pitch 75.5；Processed shoddy particle 18； SBS 1 ；PE recycles particle 2；Stablize
Agent 0.15；Rubber oil 3.
Matrix pitch is added in agitator tank, SBS is added at 200 DEG C, stirring adds in shoddy particle, PE after 50 minutes
Particle and rubber oil are recycled, opens after cutter is sheared 45 minutes and adds in stabilizer, continue stirring 30 minutes, controlled at
180 DEG C, finished pot is squeezed into later.
The Testing index of embodiment 1 to 8 is：
Ductility：45,48,38,40,52,44,48,51；Control group：36
Industry requirement：（5 DEG C, 5cm/min）≤ 30cm, test method T0605
Softening point：100,92,88,98,102,95,98,100, control group：87 .
Hang industry Yaos Qiu≤85 DEG C, test method T0606
Needle penetration：3.5,4.3,3.2,5.6,4.8,5.5,3.3,3.8, control group：3.2
Industry requirement：（25 DEG C, 100g, 5s) 3mm~6mm, test method T0604
Dynamic viscosity（105Pa·S）：8.2,7.9,6.8,7.8,8.4,7.8,8.5,8.8；Control group 6.5.
Industry requirement：（60℃）≧6×105PaS, test method T0620
Glutinous toughness：25,28,30,26,32,28,30,28；Control group：22 .
Industry requirement：（25℃）≤ 20, test method T0624
In modified pitch index, 60 DEG C of dynamic viscosities are one of reflection road asphalt high temperature resistance permanent deformation important
Parameter is the key influence factor that road surface resists disperse performance and high temperature stability performance, is that porous asphalt pavement etc. combines pitch
Expect one of key index of examination, be the essential reference index of high performance modified bitumen classification.Some countries are just especially heavy
Depending on the viscosity characteristics of modified pitch, by the indexs such as softening point, viscous toughness, toughness, the foundation of the classification as modified pitch.
In short, compared to modified asphalt, performance of modified bitumen of the present invention has large increase, it can promote road surface
Anti-rut behavior, and high-temperature behavior, low temperature resistant embrittlement have very big promotion, to stress variate adaptability, fatigue durability
Deng being also very significantly improved, High Grade Bitumen Pavement can be performed well in.Viscosity refers to for product primary evaluation in its index
Mark.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail, within the scope of the technical concept of the present invention, a variety of equivalents can be carried out to technical scheme of the present invention, this
A little equivalents all belong to the scope of protection of the present invention.
Claims (6)
1. a kind of high viscosity modified pitch, which is characterized in that in terms of parts by weight, including：Pitch 74 ~ 77；Shoddy 18 ~ 22；
SBS 1~3 ；PE recycles particle 0.6 ~ 1；Stabilizer 0.1 ~ 0.15；Rubber oil 1 ~ 2.
2. high viscosity modified pitch according to claim 1, which is characterized in that the stabilizer is sulphur.
3. high viscosity modified pitch according to claim 1, which is characterized in that the rubber oil is aromatic hydrocarbon rubber oil.
4. high viscosity modified pitch according to claim 1, which is characterized in that the SBS is linear SBS and star shaped SBS
In one kind or compounding；The pitch is at least one of No. 50, No. 70, No. 90 and No. 110.
5. high viscosity modified pitch according to claim 1, which is characterized in that in terms of parts by weight, including：Matrix pitch
75.57, shoddy particle 20, SBS 2, PE recycling particle 0.8, stabilizer 0.13, rubber oil 1.5；Alternatively, including：Matrix
Pitch 76.85, shoddy particle 18, SBS 3, PE recycling particle 1, stabilizer 0.15, rubber oil 1.
6. a kind of preparation method of high viscosity modified pitch, which is characterized in that in terms of parts by weight, the high viscosity modified pitch
Including pitch 74 ~ 77；Shoddy particle 18 ~ 22；SBS 1~3 ；PE recycles particle 0.6 ~ 1；Stabilizer 0.1 ~ 0.15；Rubber oil
1 ~2；
Preparation method includes the following steps：Matrix pitch is added in agitator tank, adds in SBS at 160 ~ 200 DEG C, stirring 25 ~
Shoddy particle, PE recycling particles and rubber oil are added in after 35 minutes, opens to add in after cutter is sheared 45 ~ 55 minutes and stablize
Agent continues stirring 55 ~ 65 minutes, controlled at 180 ~ 200 DEG C, squeezes into finished pot later.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711428564.5A CN108165033A (en) | 2017-12-26 | 2017-12-26 | High viscosity modified pitch and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711428564.5A CN108165033A (en) | 2017-12-26 | 2017-12-26 | High viscosity modified pitch and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108165033A true CN108165033A (en) | 2018-06-15 |
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ID=62520726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711428564.5A Pending CN108165033A (en) | 2017-12-26 | 2017-12-26 | High viscosity modified pitch and preparation method thereof |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112280321A (en) * | 2020-10-29 | 2021-01-29 | 怀化市华恒莫来石有限公司 | Asphalt and preparation method thereof |
| CN114836051A (en) * | 2022-06-02 | 2022-08-02 | 江苏亿虎沥青材料有限公司 | PG82-22 grade modified asphalt and its production method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1717275A1 (en) * | 2005-04-25 | 2006-11-02 | Repsol Ypf S.A. | Bituminous binder, process for applying the same and its use for road paving |
| CN101555354A (en) * | 2008-04-11 | 2009-10-14 | 深圳市海川实业股份有限公司 | Method for preparing waste rubber modified asphalt |
| CN102093728A (en) * | 2010-12-31 | 2011-06-15 | 山西省交通科学研究院 | High-viscosity modified asphalt |
| CN103073903A (en) * | 2013-02-05 | 2013-05-01 | 西安公路研究院 | Rubber powder-modified asphalt and preparation method thereof |
| CN105111760A (en) * | 2015-10-14 | 2015-12-02 | 邓青青 | Rubber modified asphalt and preparation method thereof |
| CN105802258A (en) * | 2016-03-09 | 2016-07-27 | 盘锦华冠中交路星道路沥青有限公司 | Pitch modified by high-viscosity and high-elasticity body and preparation method of pitch |
-
2017
- 2017-12-26 CN CN201711428564.5A patent/CN108165033A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1717275A1 (en) * | 2005-04-25 | 2006-11-02 | Repsol Ypf S.A. | Bituminous binder, process for applying the same and its use for road paving |
| CN101555354A (en) * | 2008-04-11 | 2009-10-14 | 深圳市海川实业股份有限公司 | Method for preparing waste rubber modified asphalt |
| CN102093728A (en) * | 2010-12-31 | 2011-06-15 | 山西省交通科学研究院 | High-viscosity modified asphalt |
| CN103073903A (en) * | 2013-02-05 | 2013-05-01 | 西安公路研究院 | Rubber powder-modified asphalt and preparation method thereof |
| CN105111760A (en) * | 2015-10-14 | 2015-12-02 | 邓青青 | Rubber modified asphalt and preparation method thereof |
| CN105802258A (en) * | 2016-03-09 | 2016-07-27 | 盘锦华冠中交路星道路沥青有限公司 | Pitch modified by high-viscosity and high-elasticity body and preparation method of pitch |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112280321A (en) * | 2020-10-29 | 2021-01-29 | 怀化市华恒莫来石有限公司 | Asphalt and preparation method thereof |
| CN114836051A (en) * | 2022-06-02 | 2022-08-02 | 江苏亿虎沥青材料有限公司 | PG82-22 grade modified asphalt and its production method |
| CN114836051B (en) * | 2022-06-02 | 2024-01-23 | 江苏亿虎沥青材料有限公司 | PG82-22 grade modified asphalt and production method thereof |
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Application publication date: 20180615 |
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