CN105778528A - Reactive asphalt modifier, modified asphalt and preparation method of asphalt mixture - Google Patents
Reactive asphalt modifier, modified asphalt and preparation method of asphalt mixture Download PDFInfo
- Publication number
- CN105778528A CN105778528A CN201410819665.5A CN201410819665A CN105778528A CN 105778528 A CN105778528 A CN 105778528A CN 201410819665 A CN201410819665 A CN 201410819665A CN 105778528 A CN105778528 A CN 105778528A
- Authority
- CN
- China
- Prior art keywords
- response type
- asphalt
- component
- unsaturated polyester
- 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.)
- Granted
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a reactive asphalt modifier which comprises a component A and a component B. the component A is mainly prepared from the following raw materials (by weight): 20-40 parts of coumarone resin, 20-40 parts of rosin resin, 30-60 parts of flexible unsaturated polyester and 1-5 parts of a low-temperature modifier. The component B is mainly prepared from the following raw materials (by weight): 10-30 parts of diethylhexyl peroxydicarbonate, 10-30 parts of dibenzoyl peroxide, 10-30 parts of azodiisobutyronitrile and 15-30 parts of glycerol. By the use of the reactive asphalt modifier, problems of asphalt ageing and high energy consumption and poor dissolving-swelling which are caused by conventional modifiers are avoided, and impact resistance, anti-cracking property and abrasion resistance of pavements are effectively enhanced. In addition, the invention also provides reactive modified asphalt prepared from the reactive asphalt modifier and a preparation method of an asphalt mixture.
Description
Technical field
The present invention relates to road asphalt technical field, the preparation method being specifically related to a kind of response type asphalt modifier and response type modified pitch.
Background technology
The volume of traffic sending out the people at a high speed along with national economy and bring increases rapidly, vehicle maximizes, even if many bituminous pavings use satisfactory heavy-duty road asphalt or Imported Asphalt, still can not meeting needs, the disease such as rut, cracking, fragility pit has a strong impact on the service life of bituminous paving.
Along with science and technology constantly develops, modified pitch improves the pavement performance of Colophonium comprehensively, occurs in that some outstanding asphalt additives such as SBS and other asphalt additive.
But be between SBS or other modified-high polymer agent and Colophonium occur be all physical change, there is partial adsorbates, particularly SBS belongs to non-polar compound, viscosity is big, easily concentrates on top, and Colophonium then sinks to bottom, even with stabilizer, but also very easily occur biphase between isolation, make Colophonium separate with modifying agent, the very big performance that have impact on modified pitch.
SBS dissolving in Colophonium simultaneously needs through swelling, levigate, grow three phases again, need that colloid mill is anti-must be ground 3-6 time, because the fusing point of SBS is higher, it is necessary to 170-180 DEG C of ability melts swollen dissolving, from energy consumption with the time is also very big consumption, and matrix pitch at high temperature easily occurs aging, also its performance can be impacted.
Summary of the invention
The purpose of the present invention is intended to overcome above-mentioned the deficiencies in the prior art, has invented a kind of response type asphalt modifier.Containing amount of activated functional group in this modifying agent, by with a small amount of active function groups of residual in Colophonium, activated by certain condition, with the functional group of modifying agent, chemical reaction occur, reach the purpose of copolymerized grafting.It is both, containing long flexible chain in this modifying agent, the cryogenic property of modified pitch can be effectively improved, by the copolymerization with matrix pitch, form the performances such as network copolymer, the shock resistance of raising modified pitch, abrasion performance.
For solving above-mentioned technical problem, the technical scheme that the present invention adopts is: provide a kind of response type asphalt modifier, including component A and component B；Described component A is mainly made up of the raw material of following weight portion: coumarone indene resin 20-40 part；Rosin resin 20-40 part；Flexible unsaturated polyester (UP) 30-60 part；Low temperature modification agent 1-5 part；Described component B is mainly made up of the raw material of following weight portion: peroxy dicarbonate ethylhexyl, 10-30 part；Dibenzoyl peroxide, 10-30 part；Azodiisobutyronitrile, 10-30 part glycerol 15-30 part.
Further, described flexible unsaturated polyester (UP) is Caulis et Folium Lini oil type unsaturated polyester (UP), trihydroxy methyl the third dioxane diallyl ether modified unsaturated polyester and dicyclic pentylene modified unsaturated polyester (UP).
Further, described low temperature modification agent is low molecular weight polyethylene, low-molecular-weight polypropylene and aliphatic hydrocarbon resin.
The preparation method that another one purpose of the present invention is to provide a kind of response type modified pitch, comprises the steps:
(1) coumarone indene resin, rosin resin and flexible unsaturated polyester (UP) accurate measurement are put in reactor and heat to 140-150 DEG C, stir 15min, be subsequently added low temperature modification agent, continue stirring 15min, be cooled to 50 DEG C, namely obtain component A through pelletize；
(2) glycerol is put into unlatching agitating device in reactor, and is separately added into peroxy dicarbonate ethylhexyl, dibenzoyl peroxide, azodiisobutyronitrile, stir 15min, temperature controls, at 20-40 DEG C, to obtain component B；
(3) the component A of the response type asphalt modifier described step (1) obtained and matrix pitch are mixed and stirred for 15-20min at 130-140 DEG C, it is subsequently added the component B of the response type asphalt modifier that described step (2) obtains, at 130-140 DEG C of uniform stirring 10-20min, namely obtain response type modified pitch.
Further, the component A of described response type asphalt modifier accounts for the percentage ratio of asphalt weight is 5-20%；The component B of described response type asphalt modifier accounts for the percentage ratio 1-5% of asphalt weight.
Further, described matrix pitch is bi tumenf orr oad.
The invention has the beneficial effects as follows: this response type modifying agent has relatively low fusing point, can be dissolved in matrix pitch at a lower temperature before reaction, with matrix pitch generation chemical reaction after reaction, modified pitch is formed partial mesh copolymer, can be effectively improved because of the isolation situation of modifying agent Yu matrix pitch, response type modified pitch can be effectively improved the impact resistance on road surface, cracking resistance ability, abrasion resistance, enhance endurance quality and the anti-rut behavior on road surface, making road speed improve, pavement preservation reduces.
Compared with prior art, the invention have the advantages that
1) preparation temperature of reaction modifying Colophonium is low, it is only necessary to 130-140 DEG C, and the reaction temperature preparing SBS modified pitch needs 170-180 DEG C, greatly reduces energy consumption；
2) preparation process of reaction modifying Colophonium has only to normal agitation just passable, it is not necessary to the speed lapping shearing equipments such as colloid mill, save equipment investment；
3) preparation of reaction modifying Colophonium is short compared with modified asphalt required time；
4) form chemical reaction between response type modifying agent and matrix pitch, by chemical graft, form copolymer networks, it is to avoid the segregation phenomenon caused because the compatibility is bad.
5) equipment investment is few, and the response time is short, is more suitable for Technology of Site Manufacturing.
Detailed description of the invention
The present invention provides a kind of response type asphalt modifier, including component A and component B；Described component A is mainly made up of the raw material of following weight portion: coumarone indene resin 20-40 part；Rosin resin 20-40 part；Flexible unsaturated polyester (UP) 30-60 part；Low temperature modification agent 1-5 part；Described component B is mainly made up of the raw material of following weight portion: peroxy dicarbonate ethylhexyl, 10-30 part；Dibenzoyl peroxide, 10-30 part；Azodiisobutyronitrile, 10-30 part glycerol 15-30 part.
Flexible unsaturated polyester (UP) is Caulis et Folium Lini oil type unsaturated polyester (UP), trihydroxy methyl the third dioxane diallyl ether modified unsaturated polyester and dicyclic pentylene modified unsaturated polyester (UP).
Low temperature modification agent is low molecular weight polyethylene, low-molecular-weight polypropylene and aliphatic hydrocarbon resin.
The preparation method that the present invention provides a kind of response type modified pitch, comprises the steps:
(1) coumarone indene resin, rosin resin and flexible unsaturated polyester (UP) accurate measurement are put in reactor and heat to 140-150 DEG C, stir 15min, be subsequently added low temperature modification agent, continue stirring 15min, be cooled to 50 DEG C, namely obtain component A through pelletize；
(2) glycerol is put into unlatching agitating device in reactor, and is separately added into peroxy dicarbonate ethylhexyl, dibenzoyl peroxide, azodiisobutyronitrile, stir 15min, temperature controls, at 20-40 DEG C, to obtain component B；
(3) the component A of the response type asphalt modifier described step (1) obtained and matrix pitch are mixed and stirred for 15-20min at 130-140 DEG C, it is subsequently added the component B of the response type asphalt modifier that described step (2) obtains, at 130-140 DEG C of uniform stirring 10-20min, namely obtain response type modified pitch.
It is 5-20% that the component A of response type asphalt modifier accounts for the percentage ratio of asphalt weight；The component B of described response type asphalt modifier accounts for the percentage ratio 1-5% of asphalt weight.
Matrix pitch is bi tumenf orr oad.
In the examples below, the preparation method of this warm-mixed asphalt modifying agent asphalt:
(1) heating will be gathered materials to 165-175 DEG C, put in malaxation device, mix 90s, add breeze；
(2) will warm up the response type modified pitch of 150 DEG C-170 DEG C and be sprayed into malaxation device, mix 90s, mix temperature is maintained at 165-175 DEG C, obtains response type modified asphalt mixture.
Following specific embodiments of the invention by providing and comparative example understand with will be further elaborated the present invention, but they are not limitation of the invention.
In an embodiment of the present invention, asphalt quality requires the standard specification for construction and acceptance of highway asphalt pavement the meeting Ministry of Communications's promulgation technology requirement to road asphalt.The softening point test of Colophonium, ductility test, penetration test and isolation test, the strong standard all adopting " highway engineering Colophonium and Asphalt Mixture Experiment code " (JTGE20-2011) defined than testing methods such as test, rut dynamic stability test and low-temperature bending tests is split in the test of the Marshall of asphalt, Marshall residual stability, freeze thawing.
Embodiment 1:
The preparation of response type modified pitch (with the response type modified pitch component A preparing 100kg and the response type modified pitch B component of 100kg, the response type modified pitch of a ton for standard example):
(1) by 40kg coumarone indene resin, 20kg rosin resin, 35kg Caulis et Folium Lini oil type unsaturated polyester (UP) is separately heated to 140 DEG C, puts in reactor by accurate measurement, maintains stirring 15 minutes.Add 5kg low molecular weight polyethylene, maintain stirring 15 minutes.Cooling to less than 50 DEG C, pelletize is standby；Wherein, the speed of above-mentioned maintenance stirring is: rotation 75 ± 5 revs/min, revolves round the sun 45 ± 5 revs/min；Whipping temp: during material stirring temperature, temperature maintains 140-150 DEG C.
(2) 30kg glycerol is put in reactor, put into the peroxy dicarbonate diethyl ester of 20kg, the dibenzoyl peroxide of 20kg, the azodiisobutyronitrile of 30kg under agitation, maintain stirring 15 minutes；Wherein, the speed of above-mentioned maintenance stirring is: rotation 75 ± 5 revs/min, revolves round the sun 45 ± 5 revs/min；Whipping temp: during material stirring temperature, temperature maintains less than 40 DEG C, if necessary, can lead to the cooling of cold conduction oil.
(3) matrix pitch is heated to 130 DEG C, precise 940kg matrix pitch and 50kg response type modifier A component, put in stirred tank, maintain stirring 15 minutes；Then 10kg response type modifying agent B component is put in stirred tank, maintain stirring 10 minutes；Wherein, the speed of above-mentioned maintenance stirring is: rotation 75 ± 5 revs/min, revolves round the sun 45 ± 5 revs/min；Whipping temp: during material stirring temperature, temperature maintains 130 DEG C.
The preparation method of response type modified asphalt mixture:
(1) (except the breeze) 950kg that gathers materials of AC-13 grating is heated to 175 DEG C, put in malaxation device, mix 90s, add breeze 50kg；
(2) will warm up the response type modified pitch 50kg of 150 DEG C and be sprayed into malaxation device, mix 90s, mix temperature is maintained at 165 DEG C, obtains response type modified asphalt mixture.
The concrete technical specification of gained response type modified pitch and asphalt is such as shown in table 1, table 2.
Embodiment 2:
The preparation of response type modified pitch (with the response type modified pitch component A preparing 100kg and the response type modified pitch B component of 100kg, the response type modified pitch of a ton for standard example):
(1) by 20kg coumarone indene resin, 40kg rosin resin, the dicyclic pentylene modified unsaturated polyester (UP) of 39kg is separately heated to 140 DEG C, puts in reactor by accurate measurement, maintains stirring 15 minutes.Add 1kg aliphatic hydrocarbon resin, maintain stirring 15 minutes.Cooling to less than 50 DEG C, pelletize is standby；Wherein, the speed of above-mentioned maintenance stirring is: rotation 75 ± 5 revs/min, revolves round the sun 45 ± 5 revs/min；Whipping temp: during material stirring temperature, temperature maintains 140-150 DEG C.
(2) 15kg glycerol is put in reactor, put into the peroxy dicarbonate diethyl ester of 30kg, the dibenzoyl peroxide of 30kg, the azodiisobutyronitrile of 25kg under agitation, maintain stirring 15 minutes；Wherein, the speed of above-mentioned maintenance stirring is: rotation 75 ± 5 revs/min, revolves round the sun 45 ± 5 revs/min；Whipping temp: during material stirring temperature, temperature maintains less than 40 DEG C, if necessary, can lead to the cooling of cold conduction oil.
(3) first matrix pitch is heated to 140 DEG C, precise 750kg matrix pitch and 200kg response type modifier A component, put in stirred tank, maintain stirring 15 minutes；After 15 minutes, 50kg response type modifying agent B component is put in stirred tank, maintain stirring 20 minutes；Wherein, the speed maintaining stirring is: rotation 75 ± 5 revs/min, revolves round the sun 45 ± 5 revs/min；Whipping temp: during material stirring temperature, temperature maintains 140 DEG C.
The preparation method of response type modified asphalt mixture:
(1) (except the breeze) 950kg that gathers materials of AC-13 grating is heated to 175 DEG C, put in malaxation device, mix 90s, add breeze 50kg；
(2) will warm up the response type modified pitch 50kg of 150 DEG C and be sprayed into malaxation device, mix 90s, mix temperature is maintained at 165 DEG C, obtains response type modified asphalt mixture.
The concrete technical specification of gained response type modified pitch and asphalt is such as shown in table 1, table 2.
Embodiment 3:
The preparation of response type modified pitch (with the response type modified pitch component A preparing 100kg and the response type modified pitch B component of 100kg, the response type modified pitch of a ton for standard example):
(1) by 25kg coumarone indene resin, 12kg rosin resin, 60kg trihydroxy methyl the third dioxane diallyl ether modified unsaturated polyester is separately heated to 140 DEG C, puts in reactor by accurate measurement, maintains stirring 15 minutes.Add 3kg low-molecular-weight polypropylene, maintain stirring 15 minutes.Cooling to less than 50 DEG C, pelletize is standby；Wherein, the speed of above-mentioned maintenance stirring is: rotation 75 ± 5 revs/min, revolves round the sun 45 ± 5 revs/min；Whipping temp: during material stirring temperature, temperature maintains 145 DEG C.
(2) 30kg glycerol is put in reactor, put into the peroxy dicarbonate diethyl ester of 30kg, the dibenzoyl peroxide of 20kg, the azodiisobutyronitrile of 20kg under agitation, maintain stirring 15 minutes；Wherein, the speed of above-mentioned maintenance stirring is: rotation 75 ± 5 revs/min, revolves round the sun 45 ± 5 revs/min；Whipping temp: during material stirring temperature, temperature maintains less than 40 DEG C, if necessary, can lead to the cooling of cold conduction oil.
(3) first matrix pitch is heated to 135 DEG C, precise 870kg matrix pitch and 100kg response type modifier A component, put in stirred tank, maintain stirring 15 minutes；Then, the response type modifying agent B component of 30kg room temperature is put in stirred tank, maintain stirring 15 minutes；Wherein, the speed of above-mentioned maintenance stirring is: rotation 75 ± 5 revs/min, revolves round the sun 45 ± 5 revs/min；Whipping temp: during material stirring temperature, temperature maintains 135 DEG C.
The preparation method of response type modified asphalt mixture:
(1) (except the breeze) 950kg that gathers materials of AC-13 grating is heated to 175 DEG C, put in malaxation device, mix 90s, add breeze 50kg；
(2) will warm up the response type modified pitch 50kg of 150 DEG C and be sprayed into malaxation device, mix 90s, mix temperature is maintained at 165 DEG C, obtains response type modified asphalt mixture.
The concrete technical specification of gained response type modified pitch and asphalt is such as shown in table 1, table 2.
Comparative example 1:
The preparation of SBS modified pitch (with prepare one ton SBS modified pitch for standard example for standard example):
(1) first matrix pitch is heated to 150 DEG C, precise 950kg matrix pitch and 50kgSBS, put in stirred tank, maintain stirring 30 minutes, rotating speed 500rpm；
After (2) 25 minutes, squeezing in grinding pot by the mixture of above-mentioned matrix pitch Yu SBS, speed lapping circulates, and rotating speed 1500rpm maintains 30 minutes；Whipping temp: during material stirring temperature, temperature maintains 175 DEG C.
The preparation method of SBS modified asphalt mixture:
(1) (except the breeze) 950kg that gathers materials of AC-13 grating is heated to 185 DEG C, put in malaxation device, mix 90s, add breeze 50kg；
(2) will warm up the SBS modified pitch 50kg of 180 DEG C and be sprayed into malaxation device, mix 90s, mix temperature is maintained at 180 DEG C, obtains SBS modified asphalt mixture.
The concrete technical specification of gained SBS modified pitch and asphalt is such as shown in table 1, table 2.
According to " JTGE20-2011 highway engineering Colophonium and Asphalt Mixture Experiment code ", matrix pitch, the response type modified pitch of three examples and the SBS modified pitch f respectively of comparison example 1 being carried out cementitious matter test, concrete data are in Table 1:
Although table 1 it is shown that response type modified pitch in building-up process temperature and shear strength lower than SBS modified pitch, but the indices performance of detection will a little higher than SBS modified pitch.And the isolation ratio that do not add the SBS modified pitch of stabilizer is more serious, and response type modified pitch relies on chemical bond and Colophonium to become graft copolymer, it is not necessary to stabilizer is also absent from segregation phenomenon.
According to " JTGE20-2011 highway engineering Colophonium and Asphalt Mixture Experiment code ", matrix pitch, the response type modified pitch of three examples and the modified pitch of comparison example 1 being carried out Asphalt Mixture Experiment test respectively, concrete data are in Table 2:
The data of table 2 show, response type modified pitch is substantially close with the mixture performance of SBS modified pitch, meets the requirement to polymer modified asphalt mixture performance in " JTGE20-2011 highway engineering Colophonium and Asphalt Mixture Experiment code ".
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the present invention to make or equivalence flow process conversion, or directly or indirectly it is used in other relevant technical fields, all in like manner include in the scope of patent protection of the present invention.
Claims (7)
1. a response type asphalt modifier, it is characterised in that include component A and component B；Described component A is mainly made up of the raw material of following weight portion:
Coumarone indene resin 20-40 part；
Rosin resin 20-40 part；
Flexible unsaturated polyester (UP) 30-60 part；
Low temperature modification agent 1-5 part；
Described component B is mainly made up of the raw material of following weight portion:
Peroxy dicarbonate ethylhexyl, 10-30 part；
Dibenzoyl peroxide, 10-30 part；
Azodiisobutyronitrile, 10-30 part
Glycerol 15-30 part.
2. response type asphalt modifier according to claim 1, it is characterised in that described flexible unsaturated polyester (UP) is Caulis et Folium Lini oil type unsaturated polyester (UP), trihydroxy methyl the third dioxane diallyl ether modified unsaturated polyester and dicyclic pentylene modified unsaturated polyester (UP).
3. response type asphalt modifier according to claim 1, it is characterised in that described low temperature modification agent is low molecular weight polyethylene, low-molecular-weight polypropylene and aliphatic hydrocarbon resin.
4. the preparation method of response type modified pitch prepared by the response type asphalt modifier as described in claim 1-3 any one, it is characterised in that comprise the steps:
(1) coumarone indene resin, rosin resin and flexible unsaturated polyester (UP) accurate measurement are put in reactor and heat to 140-150 DEG C, stir 15min, be subsequently added low temperature modification agent, continue stirring 15min, be cooled to 50 DEG C, namely obtain component A through pelletize；
(2) glycerol is put into unlatching agitating device in reactor, and is separately added into peroxy dicarbonate ethylhexyl, dibenzoyl peroxide, azodiisobutyronitrile, stir 15min, temperature controls, at 20-40 DEG C, to obtain component B；
(3) the component A of the response type asphalt modifier described step (1) obtained and matrix pitch are mixed and stirred for 15-20min at 130-140 DEG C, it is subsequently added the component B of the response type asphalt modifier that described step (2) obtains, at 130-140 DEG C of uniform stirring 10-20min, namely obtain response type modified pitch.
5. the preparation method of response type modified pitch according to claim 4, it is characterised in that it is 5-20% that the component A of described response type asphalt modifier accounts for the percentage ratio of asphalt weight；The component B of described response type asphalt modifier accounts for the percentage ratio 1-5% of asphalt weight.
6. the preparation method of response type modified pitch according to claim 4, it is characterised in that described matrix pitch is bi tumenf orr oad.
7. the preparation method of the asphalt of a response type modified pitch as claimed in claim 4, it is characterised in that comprise the steps:
(1) heating will be gathered materials to 165-175 DEG C, put in malaxation device, mix 90s, add breeze；
(2) will warm up 150 DEG C-170 DEG C response type modified pitch and be sprayed into malaxation device, mix 90s, mix temperature is maintained at 165-175 DEG C, obtains response type modified asphalt mixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410819665.5A CN105778528B (en) | 2014-12-25 | 2014-12-25 | A kind of preparation method of response type asphalt modifier, modified pitch and asphalt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410819665.5A CN105778528B (en) | 2014-12-25 | 2014-12-25 | A kind of preparation method of response type asphalt modifier, modified pitch and asphalt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105778528A true CN105778528A (en) | 2016-07-20 |
| CN105778528B CN105778528B (en) | 2019-09-17 |
Family
ID=56377722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410819665.5A Active CN105778528B (en) | 2014-12-25 | 2014-12-25 | A kind of preparation method of response type asphalt modifier, modified pitch and asphalt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105778528B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116656141A (en) * | 2023-06-20 | 2023-08-29 | 长安大学 | Waste saturated polyester modified asphalt and modification method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3349051A (en) * | 1964-01-09 | 1967-10-24 | Monsanto Co | Polyester resin modified bituminous compositions |
| SU945167A1 (en) * | 1980-09-18 | 1982-07-23 | Всесоюзный Научно-Исследовательский И Проектно-Конструкторский Институт Полимерных Строительных Материалов | Process for producing bitumen |
| EP2161306A1 (en) * | 2008-09-09 | 2010-03-10 | Cognis IP Management GmbH | Use of polyesters as bituminous binders in road construction |
| CN102796387A (en) * | 2012-09-03 | 2012-11-28 | 黄卫 | Epoxy glue powder asphalt material and preparation method thereof |
-
2014
- 2014-12-25 CN CN201410819665.5A patent/CN105778528B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3349051A (en) * | 1964-01-09 | 1967-10-24 | Monsanto Co | Polyester resin modified bituminous compositions |
| SU945167A1 (en) * | 1980-09-18 | 1982-07-23 | Всесоюзный Научно-Исследовательский И Проектно-Конструкторский Институт Полимерных Строительных Материалов | Process for producing bitumen |
| EP2161306A1 (en) * | 2008-09-09 | 2010-03-10 | Cognis IP Management GmbH | Use of polyesters as bituminous binders in road construction |
| CN102796387A (en) * | 2012-09-03 | 2012-11-28 | 黄卫 | Epoxy glue powder asphalt material and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116656141A (en) * | 2023-06-20 | 2023-08-29 | 长安大学 | Waste saturated polyester modified asphalt and modification method |
| CN116656141B (en) * | 2023-06-20 | 2024-06-07 | 长安大学 | Waste saturated polyester modified asphalt and modification method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105778528B (en) | 2019-09-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102020859B (en) | Modified asphalt composition with creeping characteristic and preparation method thereof | |
| CN100595234C (en) | Bitumen compositions and preparation method thereof | |
| WO2019129148A1 (en) | Modified asphalt and preparation method therefor | |
| CN105985656A (en) | Aqueous epoxy resin modified emulsified asphalt, and preparation method and application thereof | |
| CN101838510B (en) | High efficiency resin fissures cementation glue and preparation thereof | |
| CN105273420A (en) | Emulsified asphalt with high softening point, and preparation method thereof | |
| CN109824318A (en) | A kind of cold mixing cold-application anionic emulsified bitumen and preparation method thereof, application | |
| CN102660125A (en) | Preparation method of waste rubber modified emulsified asphalt | |
| CN106431088A (en) | Preparation method of fiber and cold patch asphalt mixture | |
| CN104877357A (en) | Preparation method and application of epoxy asphalt compatibilizer | |
| CN106396502A (en) | Foamed warm mix recycled asphalt mixture and preparation method thereof | |
| CN104419209A (en) | Anionic asphalt temperature mixed agent and preparation method thereof | |
| CN101456700B (en) | Method for preparing composite modified rubber asphalt mixture | |
| CN104194364A (en) | Composite asphalt modifier, composite modified asphalt and production process of composite asphalt modifier and composite modified asphalt | |
| CN106519718A (en) | High-modulus asphalt additive | |
| CN103289420A (en) | Admixing type modifier of asphalt mixture | |
| CN102718438A (en) | Bridge floor seamless expansion joint material with large expansion amount and preparation method thereof | |
| CN102910861B (en) | Asphalt mixture with high anti-rut capability and preparation method therefor | |
| CN101439946B (en) | Preparation of modified rubber asphalt mixture | |
| CN105000826B (en) | Staging blending normal-temperature asphalt mixture preparing technology | |
| CN106118100B (en) | A kind of rubber asphalt stabilizer and the method using its stable modification rubber asphalt | |
| CN105541181B (en) | A kind of rubber powder ground surface material and construction method | |
| CN108424661B (en) | Composite modified emulsified asphalt with excellent anti-stripping performance and preparation method thereof | |
| CN103755225B (en) | A kind of modified asphalt mixture and preparation method | |
| CN100362053C (en) | Stone chip layer sealing composite modified emulsified asphalt and its preparation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201209 No. 158, Chuansha Road, Shanghai, Pudong New Area Patentee after: SHANGHAI KNP MATERIAL TECHNOLOGY Co.,Ltd. Patentee after: SHENZHEN OCEANPOWER INDUSTRY Co.,Ltd. Patentee after: SHENZHEN OCEANPOWER NEW MATERIAL TECHNOLOGY CO.,LTD. Address before: 201209 No. 158, Chuansha Road, Shanghai, Pudong New Area Patentee before: SHANGHAI KNP MATERIAL TECHNOLOGY Co.,Ltd. Patentee before: SHENZHEN OCEANPOWER INDUSTRY Co.,Ltd. Patentee before: SHENZHEN OCEAN POWER MATERIAL TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A preparation method of reactive asphalt modifier, modified asphalt and asphalt mixture Effective date of registration: 20221207 Granted publication date: 20190917 Pledgee: China Construction Bank Co.,Ltd. Shenzhen Branch Pledgor: SHANGHAI KNP MATERIAL TECHNOLOGY Co.,Ltd.|SHENZHEN OCEANPOWER INDUSTRY Co.,Ltd.|SHENZHEN OCEANPOWER NEW MATERIAL TECHNOLOGY CO.,LTD. Registration number: Y2022980025510 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |