CN107011691A - A kind of modified pitch with good anti-rut behavior and preparation method thereof - Google Patents
A kind of modified pitch with good anti-rut behavior and preparation method thereof Download PDFInfo
- Publication number
- CN107011691A CN107011691A CN201710350885.1A CN201710350885A CN107011691A CN 107011691 A CN107011691 A CN 107011691A CN 201710350885 A CN201710350885 A CN 201710350885A CN 107011691 A CN107011691 A CN 107011691A
- Authority
- CN
- China
- Prior art keywords
- parts
- mixture
- dolomite
- good anti
- modified 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
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
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
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)
Abstract
The invention discloses a kind of modified pitch with good anti-rut behavior, it is made up of the raw material below according to parts by weight：175 180 parts of asphalt, 28 32 parts of polyphenylene sulfide, 21 25 parts of diphenyl methane dimaleimide, 23 parts of thiocarbamide, 12 16 parts of sodium phosphite, 10 15 parts of hydroxypropyl methyl cellulose, 19 22 parts of modification dolomite, 36 parts of antioxidant 300,25 parts of ortho phosphorous acid ester, 7 10 parts of methyl hexahydrophthalic anhydride.The invention also discloses the preparation method of the modified pitch with good anti-rut behavior.Modified pitch prepared by the present invention has good anti-rut behavior, extends the service life of pitch, improves the performance of pitch, with important market value and social value.
Description
Technical field
The present invention relates to road engineering asphalt material technical field, specifically a kind of changing with good anti-rut behavior
Property pitch and preparation method thereof.
Background technology
Pitch is commonly used for preparing the material paved the way with roof Material.It is ripe in road construction and road pavement industry
Practical method is the fluid asphalt coating aggregate materials using heat, and such as sand, gravel, rubble or its mixture are gone back at it
Sprawl as conforming layer, and rolled by heavy road roller on the road for building the material of coating in roadbed or previously when hot
Conforming layer is compacted, to form the road that surface is smooth.
Chinese economy is always maintained at the growth of high speed since reform and opening-up, and Construction of Highway Traffic is advanced by leaps and bounds, China
Road asphalt manufacturing enterprise has also obtained fast development.Especially heavy traffic paving asphalt and modified pitch are realized by without to having, by small
It is that China's road construction is made that tremendous contribution to big, qualitative leap from less to more.But the development scale of pitch is with us
The demand of domestic market compares, and Chinese Bitumens market is still within the state that supply falls short of demand, especially those high-end modifications
, even more there is huge gaps in market Asphalt market.
With increasing rapidly for traffic volume of highway, the phenomenon such as vehicle maximization, heavy duty, overload, canalized traffic becomes increasingly conspicuous,
Destruction is occurred as soon as after causing asphalt concrete pavement current very short time, occurs the diseases such as rut, cracking, influences the normal of road
Operation and service life.Therefore the excellent modified pitch of anti-rut behavior is studied, with important market value and social value.
The content of the invention
It is an object of the invention to provide a kind of modified pitch with good anti-rut behavior and preparation method thereof, to solve
The problem of being proposed in certainly above-mentioned background technology.
To achieve the above object, the present invention provides following technical scheme：
A kind of modified pitch with good anti-rut behavior, is made up of the raw material below according to parts by weight：Asphalt
175-180 parts, 28-32 parts of polyphenylene sulfide, 21-25 parts of diphenyl methane dimaleimide, 2-3 parts of thiocarbamide, sodium phosphite 12-16
Part, 10-15 parts of hydroxypropyl methyl cellulose, 19-22 parts of modification dolomite, 3-6 parts of antioxidant 300,2-5 parts of ortho phosphorous acid ester,
7-10 parts of methyl hexahydrophthalic anhydride.
It is used as further scheme of the invention：It is made up of the raw material below according to parts by weight：176-179 parts of asphalt,
29-31 parts of polyphenylene sulfide, 22-24 parts of diphenyl methane dimaleimide, 2.3-2.7 parts of thiocarbamide, 13-15 parts of sodium phosphite, hydroxyl
11-14 parts of propyl methocel, 20-21 parts of modification dolomite, 4-5 parts of antioxidant 300,3-4 parts of ortho phosphorous acid ester, methyl
8-9 parts of HHPA.
It is used as further scheme of the invention：It is made up of the raw material below according to parts by weight：It is 178 parts of asphalt, poly-
30 parts of diphenyl sulfide, 23 parts of diphenyl methane dimaleimide, 2.5 parts of thiocarbamide, 14 parts of sodium phosphite, hydroxypropyl methyl cellulose 13
Part, 21 parts of modification dolomite, 5 parts of antioxidant 300,3 parts of ortho phosphorous acid ester, 8 parts of methyl hexahydrophthalic anhydride.
It is used as further scheme of the invention：The preparation method of the modification dolomite is：Dolomite dust is surpassed
Crushing of Ultrafine, obtains dolomite, dolomite is added into 30% aqueous acetic acid, stirring mixing 1-2h, then
Add trimellitic anhydride, ball milling mixing 3-5h stands 10-12h, filtering, by filter cake at 450-480 DEG C vacuum calcining 2-
3h, cooling obtains modification dolomite.
It is used as further scheme of the invention：The consumption of the aqueous acetic acid is the 60- of dolomite dust gross weight
70%, the consumption of trimellitic anhydride is the 15-20% of dolomite dust gross weight.
The preparation method of the modified pitch with good anti-rut behavior, step is as follows：
1) modification dolomite, sodium phosphite and hydroxypropyl methyl cellulose are weighed, ground and mixed obtains the first mixture；
2) weigh in polyphenylene sulfide and antioxidant 300, input banbury, then banburying 3-5min adds diphenyl-methane double
Maleimide and ortho phosphorous acid ester, continue banburying 4-6min, and discharging obtains the second mixture；
3) asphalt is weighed, is added to reactor, is warming up to 175-180 DEG C, then puts into the second mixture,
205 DEG C, stir process 30-35min under conditions of 2000rpm, obtain mixture A；
4) the first mixture is added into mixture A, and the stir process 20- under conditions of 192 DEG C, 2600rpm
25min, obtains mixture B；
5) thiocarbamide is added into mixture B, and at 185 DEG C, stir process 18min under conditions of 1200rpm, you can.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, modified pitch prepared by the present invention has good anti-rut behavior, extends the service life of pitch, improves
The performance of pitch, with important market value and social value.
2nd, the method that the present invention prepares modified pitch, technique is simple, it is easy to accomplish, can large-scale promotion use, have
Wide market prospects.
Embodiment
Technical scheme is described in more detail with reference to embodiment.
Embodiment 1
A kind of modified pitch with good anti-rut behavior, is made up of the raw material below according to parts by weight：Asphalt
175 parts, 28 parts of polyphenylene sulfide, 21 parts of diphenyl methane dimaleimide, 2 parts of thiocarbamide, 12 parts of sodium phosphite, hydroxypropyl methyl it is fine
10 parts of dimension element, 19 parts of modification dolomite, 3 parts of antioxidant 300,2 parts of ortho phosphorous acid ester, 7 parts of methyl hexahydrophthalic anhydride；
The preparation method of the modification dolomite is：Dolomite dust is subjected to ultramicro grinding, dolomite is obtained, will be white
Marble micro mist is added into 30% aqueous acetic acid, stirring mixing 1h, then adds trimellitic anhydride, ball milling mixing 3h,
10h is stood, is filtered, vacuum calcining 2h, cooling at 450 DEG C, obtain modification dolomite by filter cake；Wherein, the acetic acid is water-soluble
The consumption of liquid is the 60% of dolomite dust gross weight, and the consumption of trimellitic anhydride is the 15% of dolomite dust gross weight.
In the present embodiment, the preparation method of the modified pitch with good anti-rut behavior, step is as follows：
1) modification dolomite, sodium phosphite and hydroxypropyl methyl cellulose are weighed, ground and mixed obtains the first mixture；
2) weigh in polyphenylene sulfide and antioxidant 300, input banbury, then banburying 3min adds diphenyl-methane span
Come acid imide and ortho phosphorous acid ester, continue banburying 4min, discharging obtains the second mixture；
3) weigh asphalt, add to reactor, be warming up to 175 DEG C, then put into the second mixture, 205 DEG C,
Stir process 30min under conditions of 2000rpm, obtains mixture A；
4) the first mixture is added into mixture A, and the stir process 20min under conditions of 192 DEG C, 2600rpm,
Obtain mixture B；
5) thiocarbamide is added into mixture B, and at 185 DEG C, stir process 18min under conditions of 1200rpm, you can.
Embodiment 2
A kind of modified pitch with good anti-rut behavior, is made up of the raw material below according to parts by weight：Asphalt
176 parts, 29 parts of polyphenylene sulfide, 24 parts of diphenyl methane dimaleimide, 2.7 parts of thiocarbamide, 13 parts of sodium phosphite, hydroxypropyl methyl
11 parts of cellulose, 20 parts of modification dolomite, 5 parts of antioxidant 300,4 parts of ortho phosphorous acid ester, 9 parts of methyl hexahydrophthalic anhydride；
The preparation method of the modification dolomite is：Dolomite dust is subjected to ultramicro grinding, dolomite is obtained, will be white
Marble micro mist is added into 30% aqueous acetic acid, stirring mixing 1h, then adds trimellitic anhydride, ball milling mixing
3.5h, stands 11h, filters, and by filter cake, vacuum calcining 2h, cooling at 460 DEG C, obtain modification dolomite；Wherein, the acetic acid
The consumption of the aqueous solution is the 62% of dolomite dust gross weight, and the consumption of trimellitic anhydride is the 17% of dolomite dust gross weight.
In the present embodiment, the preparation method of the modified pitch with good anti-rut behavior, step is as follows：
1) modification dolomite, sodium phosphite and hydroxypropyl methyl cellulose are weighed, ground and mixed obtains the first mixture；
2) weigh in polyphenylene sulfide and antioxidant 300, input banbury, then banburying 3.5min adds diphenyl-methane double
Maleimide and ortho phosphorous acid ester, continue banburying 4min, and discharging obtains the second mixture；
3) weigh asphalt, add to reactor, be warming up to 178 DEG C, then put into the second mixture, 205 DEG C,
Stir process 32min under conditions of 2000rpm, obtains mixture A；
4) the first mixture is added into mixture A, and the stir process 20min under conditions of 192 DEG C, 2600rpm,
Obtain mixture B；
5) thiocarbamide is added into mixture B, and at 185 DEG C, stir process 18min under conditions of 1200rpm, you can.
Embodiment 3
A kind of modified pitch with good anti-rut behavior, is made up of the raw material below according to parts by weight：Asphalt
178 parts, 30 parts of polyphenylene sulfide, 23 parts of diphenyl methane dimaleimide, 2.5 parts of thiocarbamide, 14 parts of sodium phosphite, hydroxypropyl methyl
13 parts of cellulose, 21 parts of modification dolomite, 5 parts of antioxidant 300,3 parts of ortho phosphorous acid ester, 8 parts of methyl hexahydrophthalic anhydride；
The preparation method of the modification dolomite is：Dolomite dust is subjected to ultramicro grinding, dolomite is obtained, will be white
Marble micro mist is added into 30% aqueous acetic acid, stirring mixing 1.5h, then adds trimellitic anhydride, ball milling mixing
4h, stands 11h, filters, and by filter cake, vacuum calcining 2.5h, cooling at 470 DEG C, obtain modification dolomite；Wherein, the acetic acid
The consumption of the aqueous solution is the 65% of dolomite dust gross weight, and the consumption of trimellitic anhydride is the 18% of dolomite dust gross weight.
In the present embodiment, the preparation method of the modified pitch with good anti-rut behavior, step is as follows：
1) modification dolomite, sodium phosphite and hydroxypropyl methyl cellulose are weighed, ground and mixed obtains the first mixture；
2) weigh in polyphenylene sulfide and antioxidant 300, input banbury, then banburying 4min adds diphenyl-methane span
Come acid imide and ortho phosphorous acid ester, continue banburying 5min, discharging obtains the second mixture；
3) weigh asphalt, add to reactor, be warming up to 178 DEG C, then put into the second mixture, 205 DEG C,
Stir process 32min under conditions of 2000rpm, obtains mixture A；
4) the first mixture is added into mixture A, and the stir process 23min under conditions of 192 DEG C, 2600rpm,
Obtain mixture B；
5) thiocarbamide is added into mixture B, and at 185 DEG C, stir process 18min under conditions of 1200rpm, you can.
Embodiment 4
A kind of modified pitch with good anti-rut behavior, is made up of the raw material below according to parts by weight：Asphalt
179 parts, 31 parts of polyphenylene sulfide, 22 parts of diphenyl methane dimaleimide, 2.3 parts of thiocarbamide, 15 parts of sodium phosphite, hydroxypropyl methyl
14 parts of cellulose, 21 parts of modification dolomite, 4 parts of antioxidant 300,3 parts of ortho phosphorous acid ester, 8 parts of methyl hexahydrophthalic anhydride；
The preparation method of the modification dolomite is：Dolomite dust is subjected to ultramicro grinding, dolomite is obtained, will be white
Marble micro mist is added into 30% aqueous acetic acid, stirring mixing 1.5h, then adds trimellitic anhydride, ball milling mixing
4.5h, stands 11h, filters, and by filter cake, vacuum calcining 2.5h, cooling at 470 DEG C, obtain modification dolomite；Wherein, the vinegar
The consumption of aqueous acid is the 65% of dolomite dust gross weight, and the consumption of trimellitic anhydride is the 20% of dolomite dust gross weight.
In the present embodiment, the preparation method of the modified pitch with good anti-rut behavior, step is as follows：
1) modification dolomite, sodium phosphite and hydroxypropyl methyl cellulose are weighed, ground and mixed obtains the first mixture；
2) weigh in polyphenylene sulfide and antioxidant 300, input banbury, then banburying 4.5min adds diphenyl-methane double
Maleimide and ortho phosphorous acid ester, continue banburying 5min, and discharging obtains the second mixture；
3) weigh asphalt, add to reactor, be warming up to 178 DEG C, then put into the second mixture, 205 DEG C,
Stir process 34min under conditions of 2000rpm, obtains mixture A；
4) the first mixture is added into mixture A, and the stir process 25min under conditions of 192 DEG C, 2600rpm,
Obtain mixture B；
5) thiocarbamide is added into mixture B, and at 185 DEG C, stir process 18min under conditions of 1200rpm, you can.
Embodiment 5
A kind of modified pitch with good anti-rut behavior, is made up of the raw material below according to parts by weight：Asphalt
180 parts, 32 parts of polyphenylene sulfide, 25 parts of diphenyl methane dimaleimide, 3 parts of thiocarbamide, 16 parts of sodium phosphite, hydroxypropyl methyl it is fine
15 parts of dimension element, 22 parts of modification dolomite, 6 parts of antioxidant 300,5 parts of ortho phosphorous acid ester, 10 parts of methyl hexahydrophthalic anhydride；
The preparation method of the modification dolomite is：Dolomite dust is subjected to ultramicro grinding, dolomite is obtained, will be white
Marble micro mist is added into 30% aqueous acetic acid, stirring mixing 2h, then adds trimellitic anhydride, ball milling mixing 5h,
12h is stood, is filtered, vacuum calcining 3h, cooling at 480 DEG C, obtain modification dolomite by filter cake；Wherein, the acetic acid is water-soluble
The consumption of liquid is the 70% of dolomite dust gross weight, and the consumption of trimellitic anhydride is the 20% of dolomite dust gross weight.
In the present embodiment, the preparation method of the modified pitch with good anti-rut behavior, step is as follows：
1) modification dolomite, sodium phosphite and hydroxypropyl methyl cellulose are weighed, ground and mixed obtains the first mixture；
2) weigh in polyphenylene sulfide and antioxidant 300, input banbury, then banburying 5min adds diphenyl-methane span
Come acid imide and ortho phosphorous acid ester, continue banburying 6min, discharging obtains the second mixture；
3) weigh asphalt, add to reactor, be warming up to 180 DEG C, then put into the second mixture, 205 DEG C,
Stir process 35min under conditions of 2000rpm, obtains mixture A；
4) the first mixture is added into mixture A, and the stir process 25min under conditions of 192 DEG C, 2600rpm,
Obtain mixture B；
5) thiocarbamide is added into mixture B, and at 185 DEG C, stir process 18min under conditions of 1200rpm, you can.
In order to detect the performance of the modified pitch with good anti-rut behavior prepared by the present invention, to embodiment 1-5 institutes
The modified pitch of preparation makes a service test, and result of the test is as follows.
The result of the test table of table 1
As can be seen from the above table, the modified pitch that prepared by the present invention has good anti-rut behavior, extends pitch
Service life, improves the performance of pitch, with important market value and social value.
The method that the present invention prepares modified pitch, technique is simple, it is easy to accomplish, can large-scale promotion use, with wide
Wealthy market prospects.
The better embodiment to the present invention is explained in detail above, but the present invention is not limited to above-mentioned embodiment party
, can also be on the premise of present inventive concept not be departed from formula, the knowledge that one skilled in the relevant art possesses
Various changes can be made.
Claims (6)
1. a kind of modified pitch with good anti-rut behavior, it is characterised in that be made up of the raw material below according to parts by weight：
175-180 parts of asphalt, 28-32 parts of polyphenylene sulfide, 21-25 parts of diphenyl methane dimaleimide, 2-3 parts of thiocarbamide, phosphorous
Sour sodium 12-16 parts, 10-15 parts of hydroxypropyl methyl cellulose, 19-22 parts of modification dolomite, 3-6 parts of antioxidant 300, secondary phosphorous
2-5 parts of acid esters, 7-10 parts of methyl hexahydrophthalic anhydride.
2. the modified pitch according to claim 1 with good anti-rut behavior, it is characterised in that by below according to weight
The raw material of amount part is made：176-179 parts of asphalt, 29-31 parts of polyphenylene sulfide, 22-24 parts of diphenyl methane dimaleimide,
2.3-2.7 parts of thiocarbamide, 13-15 parts of sodium phosphite, 11-14 parts of hydroxypropyl methyl cellulose, 20-21 parts of modification dolomite, antioxygen
4-5 parts of agent 300,3-4 parts of ortho phosphorous acid ester, 8-9 parts of methyl hexahydrophthalic anhydride.
3. the modified pitch according to claim 2 with good anti-rut behavior, it is characterised in that by below according to weight
The raw material of amount part is made：178 parts of asphalt, 30 parts of polyphenylene sulfide, 23 parts of diphenyl methane dimaleimide, 2.5 parts of thiocarbamide,
14 parts of sodium phosphite, 13 parts of hydroxypropyl methyl cellulose, 21 parts of modification dolomite, 5 parts of antioxidant 300,3 parts of ortho phosphorous acid ester,
8 parts of methyl hexahydrophthalic anhydride.
4. the modified pitch according to claim 1 with good anti-rut behavior, it is characterised in that the modified white clouds
The preparation method of stone is：Dolomite dust is subjected to ultramicro grinding, dolomite is obtained, dolomite is added to 30%
In aqueous acetic acid, then stirring mixing 1-2h adds trimellitic anhydride, and ball milling mixing 3-5h stands 10-12h, filtered,
By filter cake, vacuum calcining 2-3h, cooling at 450-480 DEG C, obtain modification dolomite.
5. the modified pitch according to claim 4 with good anti-rut behavior, it is characterised in that the acetic acid is water-soluble
The consumption of liquid is the 60-70% of dolomite dust gross weight, and the consumption of trimellitic anhydride is the 15-20% of dolomite dust gross weight.
6. a kind of preparation method of modified pitch with good anti-rut behavior as described in claim 1-5 is any, it is special
Levy and be, step is as follows：
1) modification dolomite, sodium phosphite and hydroxypropyl methyl cellulose are weighed, ground and mixed obtains the first mixture；
2) weigh in polyphenylene sulfide and antioxidant 300, input banbury, banburying 3-5min, then add diphenyl-methane span and come
Acid imide and ortho phosphorous acid ester, continue banburying 4-6min, and discharging obtains the second mixture；
3) weigh asphalt, add to reactor, be warming up to 175-180 DEG C, then put into the second mixture, 205 DEG C,
Stir process 30-35min under conditions of 2000rpm, obtains mixture A；
4) the first mixture is added into mixture A, and the stir process 20-25min under conditions of 192 DEG C, 2600rpm,
Obtain mixture B；
5) thiocarbamide is added into mixture B, and at 185 DEG C, stir process 18min under conditions of 1200rpm, you can.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710350885.1A CN107011691A (en) | 2017-05-18 | 2017-05-18 | A kind of modified pitch with good anti-rut behavior and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710350885.1A CN107011691A (en) | 2017-05-18 | 2017-05-18 | A kind of modified pitch with good anti-rut behavior and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107011691A true CN107011691A (en) | 2017-08-04 |
Family
ID=59450616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710350885.1A Pending CN107011691A (en) | 2017-05-18 | 2017-05-18 | A kind of modified pitch with good anti-rut behavior and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107011691A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114573993A (en) * | 2019-04-18 | 2022-06-03 | 重庆市智翔铺道技术工程有限公司 | Polymer alloy for paving steel bridge deck and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102838874A (en) * | 2012-09-17 | 2012-12-26 | 山东建筑大学 | Asphalt modifier, modified asphalt and asphalt mixture |
| CN104312179A (en) * | 2014-11-18 | 2015-01-28 | 吉林市城投筑路材料股份有限公司 | Anti-rut agent |
| CN104877362A (en) * | 2015-05-09 | 2015-09-02 | 安徽快来防水防腐有限公司 | Composite enhanced polyphenylene sulfide fiber blended SBS modified bitumen waterproof roll and preparation method thereof |
| CN105176106A (en) * | 2015-07-21 | 2015-12-23 | 南京道润交通科技有限公司 | Composite modified high-toughness asphalt mixture |
-
2017
- 2017-05-18 CN CN201710350885.1A patent/CN107011691A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102838874A (en) * | 2012-09-17 | 2012-12-26 | 山东建筑大学 | Asphalt modifier, modified asphalt and asphalt mixture |
| CN104312179A (en) * | 2014-11-18 | 2015-01-28 | 吉林市城投筑路材料股份有限公司 | Anti-rut agent |
| CN104877362A (en) * | 2015-05-09 | 2015-09-02 | 安徽快来防水防腐有限公司 | Composite enhanced polyphenylene sulfide fiber blended SBS modified bitumen waterproof roll and preparation method thereof |
| CN105176106A (en) * | 2015-07-21 | 2015-12-23 | 南京道润交通科技有限公司 | Composite modified high-toughness asphalt mixture |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114573993A (en) * | 2019-04-18 | 2022-06-03 | 重庆市智翔铺道技术工程有限公司 | Polymer alloy for paving steel bridge deck and preparation method thereof |
| CN114573993B (en) * | 2019-04-18 | 2023-05-23 | 重庆市智翔铺道技术工程有限公司 | Polymer alloy for paving steel bridge deck and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105038280B (en) | A kind of SBS modified pitch and preparation method thereof | |
| CN101863637B (en) | Paving asphalt concrete additive and preparation method thereof | |
| CN103102108A (en) | Foamed warm mix asphalt mixture and preparation method thereof | |
| CN101717585A (en) | Emulsified SBS polymer modified asphalt and preparation method thereof | |
| CN108424012A (en) | A kind of liquid grinding aid improving steel slag grinding efficiency | |
| CN105670315B (en) | A kind of modified pavement asphalt and preparation method thereof using road asphalt modifier | |
| CN105753375A (en) | Asphalt mixture taking red mud as filler and preparation method thereof | |
| CN108751874A (en) | A kind of high-performance color pervious asphalt concrete and preparation method thereof | |
| CN102031001B (en) | Road bentonite-based emulsified asphalt and preparation method thereof | |
| CN105440709A (en) | Water-resistant modified matrix asphalt and processing method thereof | |
| CN103849153A (en) | High-viscosity high-elasticity pitch and preparation method thereof | |
| CN102070313B (en) | Additive-free cold patch asphalt material and preparation method thereof | |
| CN105440710A (en) | High-temperature-resisting road matrix asphalt and processing method thereof | |
| CN107011691A (en) | A kind of modified pitch with good anti-rut behavior and preparation method thereof | |
| CN102924299A (en) | Preparation method of novel slow-crack slow-coagulation asphalt emulsifier | |
| CN108840606A (en) | A kind of cold mixing cold laid asphaltic mixture and preparation method and wearing course | |
| CN108033711A (en) | A kind of emulsified asphalt cold-repairing material | |
| CN102718439B (en) | Method for road engineering by mixing plant asphalt and petroleum asphalt | |
| CN110028802A (en) | A kind of asphalt modifier and preparation method thereof and the application in bituminous composition | |
| CN101712625A (en) | Method for synthesizing amphoteric slow-breaking quick-setting asphalt emulsifier | |
| CN1891758A (en) | Asphalt mixture utilizing slag micropowder as filler | |
| CN103740241A (en) | Automobile plate spring anticorrosive priming paint and preparation method thereof | |
| CN101629021A (en) | High-quality pavement petroleum asphalt material and preparation method thereof | |
| CN106977139A (en) | A kind of energy-saving mortar and preparation method | |
| CN104743966A (en) | Asphalt mixture with superstrong anti-rutting performance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170804 |