CN107739517A - A kind of excellent composite modified rubber asphalt of antistrip performance - Google Patents
A kind of excellent composite modified rubber asphalt of antistrip performance Download PDFInfo
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- CN107739517A CN107739517A CN201711005010.4A CN201711005010A CN107739517A CN 107739517 A CN107739517 A CN 107739517A CN 201711005010 A CN201711005010 A CN 201711005010A CN 107739517 A CN107739517 A CN 107739517A
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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
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F253/00—Macromolecular compounds obtained by polymerising monomers on to natural rubbers or derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F279/00—Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group C08F36/00
- C08F279/02—Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group C08F36/00 on to polymers of conjugated dienes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F289/00—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds not provided for in groups C08F251/00 - C08F287/00
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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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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Abstract
The invention discloses the composite modified rubber asphalt that a kind of antistrip performance is excellent, it is characterised in that in terms of 100 parts by weight, the formula of the composite modified rubber asphalt is as follows：The parts by weight of matrix pitch 65 75；The parts by weight of rubber powder 15 ~ 25；The parts by weight of hydroxypropyl acrylate 2 ~ 4；The parts by weight of GDMA 2 ~ 4；The parts by weight of diisopropyl phthalate 1 ~ 2；The parts by weight of crosslinking agent 0.2 ~ 0.4.The composite modified rubber asphalt obtained using the formula of the present invention, can significantly improve its antistrip performance and storage stability on the premise of its high-temperature behavior is kept.
Description
Technical field
The present invention relates to the composite modified rubber asphalt that a kind of antistrip performance is excellent, is applied for highway engineering bituminous paving
The rubber modified bitumen of scene processing during work, the material other main pavement performance technical indicators can ensured not
Under conditions of reducing or not significantly reducing, its antistrip performance is more significantly improved.
Background technology
With the continuous development of the construction of China's road engineering, and the growth of road occupation time, various roads
Face infringement also constantly produces.Because what traffic axle carried is continuously increased, traditional matrices pitch has been difficult to meet current road traffic pair
The requirement of pavement quality, thus, there is the modified pitch that various aspects of performance is better than traditional matrices pitch in the market in the last few years.
According to《Highway Construction of Modified Asphalt Pavement technical specification》(JTJ036-98), modified pitch refers to by toward filling " rubber in pitch
The outer-penetrating agent such as glue, resin, high molecular polymer, levigate rubber powder or other fillers (modifying agent) " is taken " slight to pitch
The measures such as oxidation processing ", " making the performance of pitch or asphalt be improved " and manufactured asphalt binder.
In these modified pitch, rubber modified asphalt obtains more and more extensive application with the inexpensive advantage of its environmental protection.
Rubber asphalt refers to the tyre rubber powder of content more than 15% under conditions of high temperature and abundant mix, is reacted with pitch swelling
The cementing material of modified pitch arrived.Tyre rubber powder is process by junked tire protoplasm, then is matched by certain thickness level
Example is combined to obtain.Rubber asphalt has preferable anti-cracking performance and ageing resistace.Further, since it is to use recycling round
Tire is compared as modified main material with general modified pitch, and rubber asphalt not only has higher cost advantage, and be compared with
For preferable environment-friendly type road engineering construction material.However, the rubber asphalt of pure tire rubber formulations, steady in adhesiveness, storage
There is certain weak point in qualitative and high-temperature stability, there is also antistrip performance is poor for corresponding rubber-asphalt mixture
The problem of aspect.
Generally, the rubber rubber powder granule in rubber asphalt is difficult to be dissolved completely in pitch, but some
Suspend wherein, certain isolation can occur during transport and use after completion of stirring.In the presence of heavy duty repeatedly,
Easily there is stripping of aggregate phenomenon caused by adhesiveness reduces between asphalt and aggregate in rubber-asphalt mixture road surface, makes road surface shape
Into pitted skin, and then the disease such as pit, loose may be developed into, have a strong impact on the use of road.By into rubber asphalt
Modifying agent is added, obtains the rubber modified bitumen that adhesive capacity is strong, antistrip performance is good, can be improved very well between asphalt and aggregate
Adhesion, meet in Practical Project the needs of for bituminous paving antistrip performance.
In addition it is also necessary to consider stability and consistency problem of the modifying agent in rubber asphalt.Numerous studies show, change
Property agent be homogeneously dispersed in pitch, but do not chemically react therewith, only in physical significance coexist it is co-melting.By
Difference between modifying agent and pitch, different modifying agent in molecular weight, chemical constitution, belongs to thermodynamics Immiscible Polymer Blends,
Therefore, this mixture system is not fully stablized, and easily occurs what modifying agent separated out from pitch during transport, storage
Problem, to solve this problem, it is necessary to add suitable stabilizer into mixture to strengthen its heat endurance.
The content of the invention
It is an object of the invention to provide the composite modified rubber asphalt that a kind of antistrip performance is excellent, is used with solving existing road
The problem of adhesion deficiency present in rubber asphalt or its composite modified asphalt, and modifying agent used are compatible in pitch
Sex chromosome mosaicism.
To achieve these goals, technical scheme is as follows：A kind of excellent composite modified rubber of antistrip performance
Glue pitch, it is characterised in that in terms of 100 parts by weight, the formula of the composite modified rubber asphalt is as follows：
Further, the hydroxypropyl acrylate is 2-hydroxypropyl acrylate and acrylic acid -2- hydroxyl -1- methyl ethyl esters
Mixture, the two respectively accounts for 70% and 30%.
Further, the powder size of the rubber powder is 40-80 mesh.
Further, the crosslinking agent is that sulfide or modified pitch are stabilizing agent specially used.
Further, the sulfide is elemental sulfur.
The present invention adds hydroxypropyl acrylate modifying agent into rubber asphalt, in mix and during paving, acrylic acid
Hydroxypropyl acrylate has flow processability, space multistory network structure can be formed with bitumen base, so as to improve the height of pitch
Warm nature energy and temperature-sensitive performance.Found in the research process of the present invention, to the rubber for adding hydroxypropyl acrylate modifying agent
GDMA is added in pitch, because GDMA has stronger wellability and right
The high-resistance of free oxidation base, the antistrip performance and adhesiveness for enabling to pitch are significantly improved.Phthalic acid
Diisopropyl ester is commonly used for plasticizer use in plastic cement, Resin Industry.Phthalic acid is added in modified pitch development latter stage
Diisopropyl ester can significantly lift the compatibility of hydroxypropyl acrylate modifying agent and GDMA and pitch,
So that dispersed phase in decentralized medium more uniformly, so as to reduce vulcanization stabilizing agent dosage, reduce asphalt viscosity, improve construction and
Yi Xing.The composite modified rubber asphalt obtained using the formula of the present invention, can be on the premise of its high-temperature behavior be kept, significantly
Improve its antistrip performance and storage stability.
Embodiment
The following examples and comparative example will the present invention is furture elucidated, but it should be noted that example and comparative example simultaneously
Unrestricted protection scope of the present invention.
The excellent composite modified rubber asphalt of a kind of antistrip performance, it is characterised in that described compound in terms of 100 parts by weight
The formula of rubber modified bitumen is as follows：
Further, the rubber powder uses butadiene rubber, natural rubber or butadiene-styrene rubber, or their any group
Close.
Further, the powder size of the rubber powder is 40-80 mesh.
Further, the hydroxypropyl acrylate is 2-hydroxypropyl acrylate and acrylic acid -2- hydroxyl -1- methyl ethyl esters
Mixture, the two respectively accounts for 30%~70%.I.e. the weight ratio of 2-hydroxypropyl acrylate is 30%~70%, acrylic acid -2- hydroxyls
The weight of base -1- methyl ethyl esters is than being also 30%~70%.
Preferably, i.e. the weight ratio of 2-hydroxypropyl acrylate is 30%, the weight ratio of acrylic acid -2- hydroxyl -1- methyl ethyl esters
For 70%, or i.e. the weight ratio of 2-hydroxypropyl acrylate is 70%, and the weight ratio of acrylic acid -2- hydroxyl -1- methyl ethyl esters is
30%.
The molecular formula of aforesaid propylene acid hydroxypropyl acrylate is：C6H10O3,
Hydroxypropyl acrylate has two kinds of isomers, and molecular structural formula is：
Further, the molecular formula of above-mentioned GDMA is：C10H14O4,
Molecular structural formula is：
Further, the molecular formula of diisopropyl phthalate is：C14H18O4,
Its structure is as follows：
Further, the stabilizer is that sulfide or modified pitch are stabilizing agent specially used, and the sulfide is elemental sulfur.
Further, the GDMA produces GDMA, main skill for Japan
Art index is as follows：
The GDMA the key technical indexes of table 1
| Project | Parameter |
| Density (g/cm3) | 1.051(20℃) |
| Refractive index | 1.455(20℃) |
| Boiling point (DEG C) | 240-260 |
| Fusing point (DEG C) | -20 |
| Viscosity (mPas) | 3.20 |
| Lightning (DEG C) | 110 |
| Dissolubility (%) | <0.5 (solubility in water) (20 DEG C) |
Its preparation method is：
A, by the tyre rubber powder (generally having butadiene rubber, natural rubber, butadiene-styrene rubber etc.) of 15-25 parts by weight, 65-75
The matrix pitch of parts by weight, under conditions of 190-220 DEG C, fully reaction 45min is stirred, obtains rubber powder and road asphalt
Mixture；
B, by the hydroxypropyl acrylate of 2-4 parts by weight, the GDMA of 2-4 parts by weight, 0.3 parts by weight
Crosslinking agent, be added to step a acquisition mixture, at a temperature of 190-220 DEG C, first sheared using high-speed shearing machine, with
3000-4000 turns/min speed shearing 30-45min, obtains composite modified asphalt mixture；
C, the composite modified asphalt mixture for ultimately generating b step, remaining temperature after shearing is kept, by standing
30min development and infiltration；
D, the diisopropyl phthalate of 1-2 parts by weight is added in the composite modified asphalt mixture in step b,
Under conditions of 180-200 DEG C, 180min is at the uniform velocity stirred using mixer, obtains the excellent modified rubber drip of antistrip performance
It is blue or green.
It is below three embodiments of the present invention, wherein, the difference of embodiment 1,2,3 is ethylene glycol dimethacrylate
The volume of ester is different, and comparative example is using conventional modifying agent, i.e. SBS, PE, kir and lake asphalt, and rubber asphalt is carried out
Composite modified processing.By above example and comparative example, the present invention is explained in detail.
Embodiment 1
Rubber modified bitumen is prepared as follows：
By the tyre rubber powder of 18 parts by weight, in the bi tumenf orr oad of 73.7 parts by weight, in 210-220 DEG C of condition
Under, the hydroxypropyl acrylate of subsequent 3 parts by weight of stirring reaction 45min., the GDMA of 3 parts by weight, 0.3
Elemental sulfur of the parts by weight as crosslinking agent, at a temperature of 200 DEG C or so, is first sheared using high-speed shearing machine, with 3500 turns/
Min speed shearing 30-45min, then 30min is stood by residual temperature, the diisopropyl phthalate of 2 parts by weight is added,
Under conditions of 180-200 DEG C, 180min is at the uniform velocity stirred using mixer, prepares and completes rubber modified bitumen.Thereafter it is entered
OK《Highway engineering pitch and Asphalt Mixture Experiment code》In part asphalt test and hamburger Immersion Wheel Truck Test.Experiment knot
Fruit is as shown in table 2.
Embodiment 2
Rubber modified bitumen is prepared as follows：
By the tyre rubber powder of 19 parts by weight, in the bi tumenf orr oad of 73.7 parts by weight, in 210-220 DEG C of condition
Under, the hydroxypropyl acrylate of subsequent 2 parts by weight of stirring reaction 45min., the GDMA of 3 parts by weight, 0.3
Elemental sulfur of the parts by weight as crosslinking agent, at a temperature of 200 DEG C or so, is first sheared using high-speed shearing machine, with 3500 turns/
Min speed shearing 30min, adds the diisopropyl phthalate of 2 parts by weight, under conditions of 180-200 DEG C, uses
Mixer at the uniform velocity stirs 180min, prepares and completes rubber modified bitumen.Thereafter it is carried out《Highway engineering pitch and pitch mixing
Expect testing regulations》In part asphalt test and hamburger Immersion Wheel Truck Test.Result of the test is as shown in table 2.
Embodiment 3
Rubber modified bitumen is prepared as follows：
By the tyre rubber powder of 20 parts by weight, in the bi tumenf orr oad of 71.7 parts by weight, in 210-220 DEG C of condition
Under, the hydroxypropyl acrylate of subsequent 2 parts by weight of stirring reaction 45min., the GDMA of 4 parts by weight, 0.3
Elemental sulfur of the parts by weight as crosslinking agent, at a temperature of 200 DEG C or so, is first sheared using high-speed shearing machine, with 3500 turns/
Min speed shearing 30min, adds the diisopropyl phthalate of 2 parts by weight, under conditions of 180-200 DEG C, uses
Mixer at the uniform velocity stirs 180min, prepares and completes rubber modified bitumen.Thereafter it is carried out《Highway engineering pitch and pitch mixing
Expect testing regulations》In part asphalt test and hamburger Immersion Wheel Truck Test.Result of the test is as shown in table 2.
It will be listed in comparative example and composite modified example carried out to rubber asphalt using conventional modifying agent：
Comparative example 1：
Rubber modified bitumen is prepared as follows：
By the tyre rubber powder of 18 parts by weight, in the bi tumenf orr oad of 78 parts by weight, under conditions of 210-220 DEG C,
Stirring reaction 45min, the PE modifying agent of subsequent 4 parts by weight, then under conditions of 200-210 DEG C, at the uniform velocity stirred using mixer
90min, prepare and complete PE rubber modified bitumens.Thereafter it is carried out《Highway engineering pitch and Asphalt Mixture Experiment code》In
Part asphalt test and hamburger Immersion Wheel Truck Test.Result of the test is as shown in table 2.
Comparative example 2：
Rubber modified bitumen is prepared as follows：
By the tyre rubber powder of 18 parts by weight, in the bi tumenf orr oad of 79 parts by weight, under conditions of 210-220 DEG C,
Stirring reaction 45min, the SBS block copolymer of 3 parts by weight is added, at a temperature of 190-210 DEG C, first using high-speed shearing machine
Shearing, 30min is sheared with 3000-4000 turns/min speed, then under conditions of 180-200 DEG C, at the uniform velocity stirred using mixer
180min is mixed, prepares and completes SBS modified compound rubber asphalts.Thereafter it is carried out《Highway engineering pitch and asphalt examination
Test code》In part asphalt test and hamburger Immersion Wheel Truck Test.Result of the test is as shown in table 2.
Comparative example 3：
Rubber modified bitumen is prepared as follows：
By the tyre rubber powder of 18 parts by weight, in the bi tumenf orr oad of 78 parts by weight, under conditions of 210-220 DEG C,
Stirring reaction 45min, the kir of subsequent 4 parts by weight, the kir are that Indonesia produces BUTON rock asphalt, then in 200-
Under conditions of 210 DEG C, 90min is at the uniform velocity stirred using mixer, prepares and completes kir composite modified rubber asphalt.Thereafter to it
Carry out《Highway engineering pitch and Asphalt Mixture Experiment code》In part asphalt test and hamburger Immersion Wheel Truck Test.Experiment
As a result it is as shown in table 2.
Comparative example 4：
By the tyre rubber powder of 18 parts by weight, in the bi tumenf orr oad of 88 parts by weight, under conditions of 210-220 DEG C,
Stirring reaction 45min, the lake asphalt of subsequent 4 parts by weight, the lake asphalt are Trinidad Lake Asphalt, then in 190-210 DEG C of bar
Under part, 180min is at the uniform velocity stirred using mixer, prepares and completes kir composite modified rubber asphalt.Thereafter it is carried out《It is public
Road engineering pitch and Asphalt Mixture Experiment code》In part asphalt test and hamburger Immersion Wheel Truck Test.Result of the test is such as
Shown in table 2.
The embodiment 1-3 of table 2 and comparative example 1-4 performance test results contrast
Hamburger Immersion Wheel Truck Test, it is a kind of examination that can be used for assessing rut and compound spalling resistance in testing above
Test, the actual forced status on the road surface under Soaking environment can be simulated.One of test index is to peel off flex point, can reflect pitch
The lower pitch antistrip performance that compound acts in Immersion rut, peeling knee value is bigger, then illustrates the antistrip performance of pitch
Better.
The comparison of embodiment 1-3 and four comparative examples can be seen that using the technology of the present invention from table 2, add adjacent benzene two
The GDMA of formic acid diisopropyl ester is substantially better than not with the performance of hydroxypropyl acrylate rubber modified bitumen
Add the rubber asphalt of diisopropyl phthalate, hydroxypropyl acrylate modifying agent and GDMA, tool
The present rotary viscosity of body surface is higher, and needle penetration is relatively low, and softening point is higher, and 5 DEG C of ductilities are larger, and hamburger Immersion Wheel Truck Test is peeled off and turned
Point significantly increases, even if in addition, SBS and PE composite modified rubber asphalt has carried out high speed shear process, still has a large amount of visible
Naked eyes particle is present in asphalt mixture, can still produce isolation during depositing for a long time, however not excluded that its is complete in comparative example
Before being prepared into compound, its composite modified asphalt has occurred that different degrees of isolation, and the asphalt mixture in embodiment
Have good uniformity, therefore rubber asphalt has more preferably compatibility with esters modification agent proposed by the present invention.Meanwhile from embodiment
In 1-3 comparison as can be seen that in GDMA and hydroxypropyl acrylate content of modifier identical situation
Under, the rubber modified bitumen for adding diisopropyl phthalate and the modified rubber for being added without diisopropyl phthalate drip
Green grass or young crops is compared, and its rotary viscosity is higher, and needle penetration is relatively low, and softening point is higher, also has significant advantage in terms of low-temperature ductility, this kind of
Advantage is that General Purpose Rubber pitch is had, and illustrates that it inherits the advantage of General Purpose Rubber pitch.In addition, hamburger Immersion Wheel Truck Test
Peeling flex point is also larger, and the above fully demonstrates the rubber being modified to GDMA and star-like hydroxypropyl acrylate
Appropriate diisopropyl phthalate is added in glue pitch, it is possible to increase GDMA, acrylic acid hydroxypropyl
The compatibility of ester modified dose and rubber grain in matrix pitch, this explanation with the addition of GDMA and propylene
Sour hydroxypropyl acrylate modifying agent, while appropriate diisopropyl phthalate is added, the rubber commonly used in construction can be significantly improved
The resistance to flaking of pitch and water resistant damage property.
To sum up, dripped using the GDMA and hydroxypropyl acrylate composite modified rubber of the technology of the present invention
Green grass or young crops has excellent resistance to flaking and adhesiveness while inheriting the conventional advantage of General Purpose Rubber pitch.
On diisopropyl phthalate, its application report in road modified asphalt is there is no at present.In the present invention
Found during experiment, the phthalic acid diisopropyl of appropriate volume is added in the composite modified rubber asphalt into the present invention
Ester, the compatibility of hydroxypropyl acrylate modifying agent and GDMA and rubber asphalt can be obviously improved.This
It is primarily due to diisopropyl phthalate and is frequently used for plastic cement, among Resin Industry, is a kind of good dispersant and increasing
Mould agent.Diisopropyl phthalate can promote that certain reaction occurs between hydroxypropyl acrylate and rubber asphalt, drip
Green grass or young crops is internally formed network structure, so as to improve the overall stress-bearing capability of pitch.Simultaneously, additionally it is possible to significantly improve dimethacrylate
The compatibility of glycol ester wherein, effectively improve the stability problem of composite modified rubber asphalt.
Claims (7)
1. the excellent composite modified rubber asphalt of a kind of antistrip performance, it is characterised in that described compound to change in terms of 100 parts by weight
The formula of property rubber asphalt is as follows：
Matrix pitch 65-75 parts by weight；
The parts by weight of rubber powder 15 ~ 25；
The parts by weight of hydroxypropyl acrylate 2 ~ 4；
The parts by weight of GDMA 2 ~ 4；
The parts by weight of diisopropyl phthalate 1 ~ 2；
The parts by weight of crosslinking agent 0.2 ~ 0.4.
2. the excellent composite modified rubber asphalt of a kind of antistrip performance as claimed in claim 1, it is characterised in that further
Ground, the rubber powder use butadiene rubber, natural rubber or butadiene-styrene rubber, or their any combination.
A kind of 3. excellent composite modified rubber asphalt of antistrip performance as claimed in claim 1, it is characterised in that the wheel
The powder size of tire rubber powder is 40-80 mesh.
4. the excellent composite modified rubber asphalt of a kind of antistrip performance as claimed in claim 1, it is characterised in that described third
Olefin(e) acid hydroxypropyl acrylate is the mixture of 2-hydroxypropyl acrylate and acrylic acid -2- hydroxyl -1- methyl ethyl esters, and the two respectively accounts for 30% ~ 70%.
A kind of 5. excellent composite modified rubber asphalt of antistrip performance as claimed in claim 1, it is characterised in that the friendship
It is that sulfide or modified pitch are stabilizing agent specially used to join agent.
A kind of 6. excellent composite modified rubber asphalt of antistrip performance as claimed in claim 5, it is characterised in that the sulphur
Compound is elemental sulfur.
7. the excellent composite modified rubber asphalt of a kind of antistrip performance as claimed in claim 1, it is characterised in that described two
Methacrylic acid glycol ester is Japan's production GDMA.
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| CN201711005010.4A CN107739517A (en) | 2017-10-24 | 2017-10-24 | A kind of excellent composite modified rubber asphalt of antistrip performance |
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| CN201711005010.4A CN107739517A (en) | 2017-10-24 | 2017-10-24 | A kind of excellent composite modified rubber asphalt of antistrip performance |
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|---|---|---|---|---|
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| CN103044933A (en) * | 2011-10-17 | 2013-04-17 | 中国石油天然气股份有限公司 | Stabilizer composition for polymer modified asphalt |
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| CN106854373A (en) * | 2016-11-30 | 2017-06-16 | 苏州益可泰电子材料有限公司 | Modified asphalt material and preparation method thereof |
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2017
- 2017-10-24 CN CN201711005010.4A patent/CN107739517A/en active Pending
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|---|---|---|---|---|
| CN103044932A (en) * | 2011-10-17 | 2013-04-17 | 中国石油天然气股份有限公司 | Method for preparing modified asphalt by adopting raw material with low asphaltene content |
| CN103044933A (en) * | 2011-10-17 | 2013-04-17 | 中国石油天然气股份有限公司 | Stabilizer composition for polymer modified asphalt |
| CN104194359A (en) * | 2014-08-27 | 2014-12-10 | 成都市容德建筑劳务有限公司 | Hot-melt-adhesive viscous modified pavement asphalt |
| CN106084827A (en) * | 2016-07-04 | 2016-11-09 | 广东省城乡规划设计研究院 | A kind of rubber modified bitumen preparation method of low temperature performance excellent |
| CN106854373A (en) * | 2016-11-30 | 2017-06-16 | 苏州益可泰电子材料有限公司 | Modified asphalt material and preparation method thereof |
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| 马建标主编: "《功能高分子材料》", 31 July 2000, 化学工业出版社 * |
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Application publication date: 20180227 |