CN107828221A - A kind of High-and-low-temperaresistant resistant asphalt and its processing method for adding hexadecanol modifying agent - Google Patents
A kind of High-and-low-temperaresistant resistant asphalt and its processing method for adding hexadecanol modifying agent Download PDFInfo
- Publication number
- CN107828221A CN107828221A CN201711052920.8A CN201711052920A CN107828221A CN 107828221 A CN107828221 A CN 107828221A CN 201711052920 A CN201711052920 A CN 201711052920A CN 107828221 A CN107828221 A CN 107828221A
- Authority
- CN
- China
- Prior art keywords
- hexadecanol
- asphalt
- temperaresistant
- modifying agent
- pitch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010426 asphalt Substances 0.000 title claims abstract description 37
- BXWNKGSJHAJOGX-UHFFFAOYSA-N hexadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 19
- 238000003672 processing method Methods 0.000 title abstract description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 34
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims abstract description 19
- 235000011187 glycerol Nutrition 0.000 claims abstract description 17
- 238000002360 preparation method Methods 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 150000002617 leukotrienes Chemical class 0.000 claims abstract description 13
- PXJJSXABGXMUSU-UHFFFAOYSA-N disulfur dichloride Chemical compound ClSSCl PXJJSXABGXMUSU-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052901 montmorillonite Inorganic materials 0.000 claims abstract description 11
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000011159 matrix material Substances 0.000 claims abstract description 5
- 239000011295 pitch Substances 0.000 claims description 33
- 239000000203 mixture Substances 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 239000011301 petroleum pitch Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 5
- 238000003475 lamination Methods 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 229920003048 styrene butadiene rubber Polymers 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- -1 aromatic vinyl compound Chemical class 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000003349 gelling agent Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
-
- 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
- C08L95/005—Aqueous compositions, e.g. emulsions
-
- 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
Landscapes
- 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)
- Compositions Of Macromolecular Compounds (AREA)
- Working-Up Tar And Pitch (AREA)
Abstract
The invention discloses a kind of High-and-low-temperaresistant resistant asphalt and its processing method for adding hexadecanol modifying agent.The High-and-low-temperaresistant resistant asphalt is using matrix pitch and butadiene-styrene rubber, powdery sulfur chloride, montmorillonite, leukotrienes, glycerine water solution, hexadecanol as raw material, first matrix pitch is heated, then leukotrienes and powdery sulfur chloride and butadiene-styrene rubber and montmorillonite are added, pitch is modified, pass through speed lapping technique again, glycerine water solution and hexadecanol modifying agent are added after being uniformly dispersed, further its stability is modified.Finally cool, can obtain product by later stage development.The modified bitumen product of preparation is not easy lamination occur, and work flow is short, has preferable application prospect.
Description
Technical field
The present invention relates to a kind of road asphalt, more particularly to a kind of high and low temperature resistance pitch and its system for adding modifying agent
Preparation Method, belong to pitch manufacture field.
Background technology
In recent years, bituminous composition is widely used in paving roadways, increasingly improve with the requirement to pavement of road, it is necessary to
There are excellent intensity, resistance to mobility, the asphalt roads of abrasion performance, it is therefore necessary to prepare higher, modulus of elasticity of softening point etc.
The bituminous composition of high mechanical strength with various copolymerization agent modifying agent, it is necessary to be improved.
Some modifying agent of addition and the compatibility of pitch are very poor, cause asphalt performance to reduce, using effect is affected.
In terms of patent：CN201010522786.5 is a kind of wide area modified pitch technology of preparing, using powdered butadiene-styrene rubber as
Modified dose, using Tissuemat E as the second modifying agent, the characteristic of high-melting-point and fusing point above fast melt by Tissuemat E,
Modified pitch is possessed the performance of certain Tissuemat E, that is, improve the softening point of pitch, it is high using the low temperature of butadiene-styrene rubber
Extension property, increase the low temperature ductility of modified pitch, belong to physical modification category, the compatibility presence of benzene rubber and pitch is asked
When topic, i.e. thermmal storage, lamination occurs if stopping stirring.
It is above-mentioned in order to solve the problems, such as, i.e. modifying agent and the problem of separated from bitumen at high temperature, Japanese patent application publication No. 6-
329919 propose a kind of method, and this method includes being used together a kind of salt of ester or the ester with pitch, the ester be by by
Prepared by the compound reaction of copolymer and hydroxyl prepared by ethylene unsaturated carboxylic acid and aromatic vinyl compound, Japan is specially
Sharp publication number 7-157665 is disclosed using containing the asphalt modifier with acidic group and the oily molten polymer of base.Using this
A little methods cause the property of bituminous composition somewhat to improve to some extent, and this area needs further to improve the dispersiveness of modifying agent.
The content of the invention
To overcome weak point of the prior art, it is an object of the invention to provide a kind of modified asphalt composite and its
Preparation method.Its plasticity is modified in addition butadiene-styrene rubber, then stability is improved by glycerine water solution gelling agent and leukotrienes, most
Further improve the dispersiveness of modifying agent by adding hexadecanol afterwards.
The modified asphalt composite of the present invention, includes following components with composition weight percentages：
Matrix pitch 90%-97%
Butadiene-styrene rubber 0.2%-6%
Powdery sulfur chloride 0.1%-6%
Montmorillonite 0.5%-1.5%
Leukotrienes 1%-4%
Glycerine water solution 0.2%-3%
Hexadecanol 0.5%-1.5%.
Matrix pitch for the present invention can be asphalt, bitumen, and its mixture with oil.It is above-mentioned
Pitch is respectively comprising pitch as its key component.The specific example of pitch includes straight asphalt, half blown asphalt, blown asphalt
Deng.For the present invention butadiene-styrene rubber be preferentially to select powder styrene butadiene rubber, be grafted on the basis of emulsion polymerized styrene butadiene rubber it is other
Monomer, in addition to significantly improving the cryogenic property feature of pitch with butadiene-styrene rubber, powder styrene butadiene rubber can also be obviously improved for it
The high-temperature behavior of pitch.
Glycerine and water quality ratio for the glycerine water solution of the present invention are 1：2-2：1 mixture.
A kind of preparation method of high and low temperature resistance pitch of the present invention, comprises the following steps：
(1) first petroleum pitch feedstock is poured into heating tank, it is carried out to be heated to flow regime；
(2) under stirring, appropriate leukotrienes and powdery sulfur chloride and butadiene-styrene rubber and montmorillonite are sequentially added；
Again with dispersing apparatus by said mixture speed lapping for a period of time, be uniformly dispersed；
(4) finally addition glycerine water solution and hexadecanol, rise temperature continue grinding distribution for a period of time；
(5) system is cooled to 160 DEG C, development a period of time in later stage can obtain product.
The preparation method of described high and low temperature resistance pitch, step (1) in, heating-up temperature is to 180-200 DEG C.
The preparation method of described high and low temperature resistance pitch, step (3) in, jitter time control in 1-3h.
The preparation method of described high and low temperature resistance pitch, step (4) in, temperature raise 220-260 DEG C, persistently divide
Time control is dissipated in 1-3h.
The preparation method of described high and low temperature resistance pitch, step (5) in, in the case of being modified at the scene, after general
Phase development needs 1-3h.
Dispersing apparatus used in this method can use mixing plant, cutter or colloid mill.
Preferentially, the storage time of modified pitch does not exceed typically 24 hours, and storage temperature is at 150-160 DEG C.
The present invention has following advantages and characteristic：
(1) preparation technology is simple, and cost is low；
(2) flow time is short, easily large-scale production.
Embodiment
Embodiment one：
Prepared pitch contains following component：
Asphalt 90%
Butadiene-styrene rubber 2%
Powdery sulfur chloride 1%
Montmorillonite 0.5%
Leukotrienes 4%
Glycerine water solution 2%
Hexadecanol 0.5%
Specific preparation method is as follows：
First take 9kg No. 70 asphalt to pour into heating tank, it is carried out to be heated to 180 DEG C, added rapidly under stirring
Add 0.4kg leukotrienes, 0.1kg powdery sulfur chloride, 0.2kg butadiene-styrene rubber, 0.05kg montmorillonites, set with colloid mill is scattered
It is standby that said mixture speed lapping 1h is finally added 0.2kg glycerine water solutions and 0.05k hexadecanols, raises 220 DEG C of temperature,
Continue grinding distribution 1h, system is cooled to 160 DEG C, the modified pitch that can be processed after later stage development 1h is for using.
Embodiment two：
Prepared pitch contains following component：
Bitumen 91%
Butadiene-styrene rubber 1%
Powdery sulfur chloride 2%
Montmorillonite 1.5%
Leukotrienes 2%
Glycerine water solution 1%
Hexadecanol 1.5%
Specific preparation method is as follows：
First take 45.5kg No. 90 bitumens to pour into heating tank, it is carried out to be heated to 190 DEG C, it is rapid under stirring
1kg leukotrienes, 1kg powdery sulfur chloride, 0.5kg butadiene-styrene rubber powder, 0.75kg montmorillonites are added, is disperseed with cutter
Said mixture speed lapping 2h is finally added 0.5kg glycerine water solutions and 0.75kg hexadecanols by equipment, raises temperature 240
DEG C, continue grinding distribution 2h, system is cooled to 160 DEG C, the modified pitch that can be processed after later stage development 2h is for making
With.
Embodiment three：
Prepared pitch contains following component：
Asphalt and natural mixture of asphalt 97%
Butadiene-styrene rubber 0.3%
Alkane powdery sulfur chloride 0.5%
Montmorillonite 0.5%
Leukotrienes 1%
Glycerine water solution 0.2%
Hexadecanol 0.5%
Specific preparation method is as follows：
First take 194kg No. 110 asphalt and natural mixture of asphalt to pour into heating tank, it carried out to be heated to 200 DEG C,
Addition 2kg leukotrienes, 1kg powdery sulfur chloride, 0.6kg butadiene-styrene rubber powder, 1kg illiteracies are de- rapidly under stirring
Stone, with cutter dispersing apparatus by said mixture speed lapping 3h, finally add 0.4kg kg glycerine water solutions and 1kg 16
Alcohol, 260 DEG C of temperature is raised, continue grinding distribution 3h, system is cooled to 160 DEG C, can be processed after later stage development 3h
Modified pitch for use.
Claims (7)
1. a kind of High-and-low-temperaresistant resistant asphalt for adding hexadecanol modifying agent, it is characterised in that the asphalt stock includes following components：
Matrix pitch 90%-97%
Butadiene-styrene rubber 0.2%-6%
Powdery sulfur chloride 0.1%-6%
Montmorillonite 0.5%-1.5%
Leukotrienes 1%-4%
Glycerine water solution 0.2%-3%
Hexadecanol 0.5%-1.5%.
A kind of 2. High-and-low-temperaresistant resistant asphalt for adding hexadecanol modifying agent as claimed in claim 1, it is characterised in that described base
Matter pitch can be asphalt, bitumen, and its mixture with oil, specifically respectively comprising pitch as its main group
Point, the specific example of pitch includes straight asphalt, half blown asphalt, blown asphalt；Described butadiene-styrene rubber is preferentially to select powder
Butadiene-styrene rubber；The glycerine of described glycerine water solution is 1 with water quality ratio：2-2：1 mixture.
3. the High-and-low-temperaresistant resistant asphalt of a kind of addition hexadecanol modifying agent as described in claim 1-2 is any, it is characterised in that should
The preparation method of modified pitch comprises the following steps：
(1) first petroleum pitch feedstock is poured into heating tank, it is carried out to be heated to flow regime；
(2) under stirring, appropriate leukotrienes and powdery sulfur chloride and butadiene-styrene rubber and montmorillonite are sequentially added；
Again with dispersing apparatus by said mixture speed lapping for a period of time, be uniformly dispersed；
(4) finally addition glycerine water solution and hexadecanol, rise temperature continue grinding distribution for a period of time；
(5) system is cooled to 160 DEG C, development a period of time in later stage can obtain product.
4. a kind of High-and-low-temperaresistant resistant asphalt for adding hexadecanol modifying agent as claimed in claim 3, it is characterised in that described
Preparation method step (1) in, heating-up temperature is to 180-200 DEG C.
5. a kind of High-and-low-temperaresistant resistant asphalt for adding hexadecanol modifying agent as claimed in claim 3, it is characterised in that described
Preparation method step (3) in, jitter time control in 1-3h.
6. a kind of High-and-low-temperaresistant resistant asphalt for adding hexadecanol modifying agent as claimed in claim 3, it is characterised in that described
Preparation method step (4) in, temperature raise 220-260 DEG C, continue jitter time control in 1-3h.
7. a kind of High-and-low-temperaresistant resistant asphalt for adding hexadecanol modifying agent as claimed in claim 3, it is characterised in that described
Preparation method step (5) in, in the case of being modified at the scene, the development of general later stage needs 1-3h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711052920.8A CN107828221A (en) | 2017-10-31 | 2017-10-31 | A kind of High-and-low-temperaresistant resistant asphalt and its processing method for adding hexadecanol modifying agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711052920.8A CN107828221A (en) | 2017-10-31 | 2017-10-31 | A kind of High-and-low-temperaresistant resistant asphalt and its processing method for adding hexadecanol modifying agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107828221A true CN107828221A (en) | 2018-03-23 |
Family
ID=61650350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711052920.8A Pending CN107828221A (en) | 2017-10-31 | 2017-10-31 | A kind of High-and-low-temperaresistant resistant asphalt and its processing method for adding hexadecanol modifying agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107828221A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109957084A (en) * | 2019-03-27 | 2019-07-02 | 华南理工大学 | A kind of graft modification method of waste rubber powder for asphalt modification |
| CN111205661A (en) * | 2020-02-25 | 2020-05-29 | 齐鲁交通材料技术开发有限公司 | Rubber asphalt modifier, modified asphalt, asphalt mixture and its preparation and application |
| CN111303645A (en) * | 2020-02-25 | 2020-06-19 | 山东建筑大学 | Environmentally friendly rubber asphalt, asphalt mixture and its preparation method and application |
-
2017
- 2017-10-31 CN CN201711052920.8A patent/CN107828221A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109957084A (en) * | 2019-03-27 | 2019-07-02 | 华南理工大学 | A kind of graft modification method of waste rubber powder for asphalt modification |
| CN109957084B (en) * | 2019-03-27 | 2021-10-26 | 华南理工大学 | Graft modification method of waste rubber powder for asphalt modification |
| CN111205661A (en) * | 2020-02-25 | 2020-05-29 | 齐鲁交通材料技术开发有限公司 | Rubber asphalt modifier, modified asphalt, asphalt mixture and its preparation and application |
| CN111303645A (en) * | 2020-02-25 | 2020-06-19 | 山东建筑大学 | Environmentally friendly rubber asphalt, asphalt mixture and its preparation method and application |
| CN111303645B (en) * | 2020-02-25 | 2021-11-12 | 山东建筑大学 | Environment-friendly rubber asphalt, asphalt mixture, and preparation method and application thereof |
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Application publication date: 20180323 |