CN110054438A - High performance modified bitumen, preparation method and bituminous concrete - Google Patents
High performance modified bitumen, preparation method and bituminous concrete Download PDFInfo
- Publication number
- CN110054438A CN110054438A CN201910293569.4A CN201910293569A CN110054438A CN 110054438 A CN110054438 A CN 110054438A CN 201910293569 A CN201910293569 A CN 201910293569A CN 110054438 A CN110054438 A CN 110054438A
- Authority
- CN
- China
- Prior art keywords
- parts
- high performance
- modified bitumen
- performance modified
- added
- 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
- 239000010426 asphalt Substances 0.000 title claims abstract description 53
- 239000004567 concrete Substances 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 239000011295 pitch Substances 0.000 claims abstract description 66
- 229910052901 montmorillonite Inorganic materials 0.000 claims abstract description 44
- 239000011159 matrix material Substances 0.000 claims abstract description 42
- 239000000843 powder Substances 0.000 claims abstract description 33
- 239000002994 raw material Substances 0.000 claims abstract description 32
- 239000010920 waste tyre Substances 0.000 claims abstract description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000002689 soil Substances 0.000 claims abstract description 24
- 229960000892 attapulgite Drugs 0.000 claims abstract description 23
- 229910052625 palygorskite Inorganic materials 0.000 claims abstract description 23
- 125000000962 organic group Chemical group 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims description 36
- 239000013067 intermediate product Substances 0.000 claims description 28
- 239000000725 suspension Substances 0.000 claims description 28
- 238000003756 stirring Methods 0.000 claims description 27
- -1 organo montmorillonite Chemical compound 0.000 claims description 22
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000005406 washing Methods 0.000 claims description 10
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 7
- 239000012153 distilled water Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 229910052708 sodium Inorganic materials 0.000 claims description 7
- 239000011734 sodium Substances 0.000 claims description 7
- 235000019738 Limestone Nutrition 0.000 claims description 5
- 239000006028 limestone Substances 0.000 claims description 5
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims description 3
- 229960002798 cetrimide Drugs 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 2
- 230000003712 anti-aging effect Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 7
- 238000009775 high-speed stirring Methods 0.000 description 6
- 238000001035 drying Methods 0.000 description 5
- 238000000227 grinding Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000000967 suction filtration Methods 0.000 description 5
- 230000032683 aging Effects 0.000 description 4
- 229940106241 cetrimides Drugs 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 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 description 3
- 230000002708 enhancing effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000002528 anti-freeze Effects 0.000 description 2
- 239000011384 asphalt concrete Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000011294 coal tar pitch Substances 0.000 description 2
- 238000002242 deionisation method Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 241000446313 Lamella Species 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011306 natural pitch Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/26—Bituminous materials, e.g. tar, pitch
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Road Paving Structures (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention provides a kind of high performance modified bitumen, the raw material including following mass fraction: 100 parts of matrix pitches, 1~4 part of waste tire powder, 2~6 parts of organo montmorillonites, 1~6 part of diatomite and 2~5 parts of attapulgite soils；The present invention also provides a kind of bituminous concrete, the raw material including following mass fraction, 4~5 parts of high performance modified bitumen gathers materials 95~97 parts and 3~5 parts of miberal powder.High performance modified bitumen and bituminous concrete preparation provided by the invention is simple, high-temperature stability is good, rutting resistance and anti-aging property are strong, with good durability, later maintenance cost is low simultaneously, and especially suitable for ultraviolet light, strong, Heavy Traffic more regions is promoted the use of.
Description
Technical field
The invention belongs to technical field of road engineering, and in particular to a kind of high performance modified bitumen, preparation method and drip
Green concrete.
Background technique
The dark brown complex mixture that pitch is made of the hydrocarbon and its non metallic derivatives of different molecular weight,
It is one kind of high viscosity organic liquid, is in a liquid state, surface is in black.Pitch can be divided into coal tar pitch, asphalt and natural
Pitch.Wherein, coal tar pitch is the byproduct of coking, and asphalt is the residue after crude distillation, and bitumen is then storage
In underground, some formation ore beds or earth's crust surface accumulate.Pitch is mainly used for the industry such as coating, plastics, rubber and making
Road surface etc..
It paves the way industrially currently, pitch is widely used in, however, due to car load and environmental factor, generic media drip
Green road surface is easy to appear the diseases such as track, bulge, loose, and the fatigue of pitch and aging are that bituminous pavement durability is insufficient main
Reason.In construction and long-term use process, the light components in pitch are easy to volatilize bituminous pavement, and bituminous pavement is caused to send out
Raw " be hardened, become fragile " phenomenon, therefore, it is necessary to which the temperature sensitivity for improving pitch can be with the rheological behavior of pitch.It is many at present poly-
Polymer modified pitch has been applied to bituminous pavement, and still, polymer modified asphalt is expensive, and in practical applications there is also
Many environmental problems.
Summary of the invention
Aiming at the above shortcomings existing in the prior art, an object of the present invention is to provide a kind of high performance modified bitumen
And preparation method thereof, high performance modified bitumen high-temperature stability height, rutting resistance and anti-aging property are strong, have good
Durability；The second object of the present invention is to providing a kind of bituminous concrete.
To achieve the above object, the invention provides the following technical scheme: a kind of high performance modified bitumen, including following quality
The raw material of number: 100 parts of matrix pitches, 1~4 part of waste tire powder, 2~6 parts of organo montmorillonites, 1~6 part of diatomite and 2~5
Part attapulgite soil.
In the present invention, swelling reaction can occur in matrix pitch for the addition of waste tire powder, absorb a part of lightweight
Component, asphalt viscosity increase, and stiffness modulus improves, so that further enhancing road surface resists track and cold cracking deformation energy
Power；The addition of montmorillonite can increase internal friction, viscosity and the elastic component of pitch, can effectively improve mixture high-temperature behavior,
Greatly the ability of rutting deformation is resisted on enhancing road surface；Furthermore diatomite has the advantages that thermal coefficient is small, and it is mixed to add diatomite
The insulating power for closing material is improved, therefore the road surface Low-temperature antifreeze ability of melting is enhanced.
Further, the high performance modified bitumen, the raw material including following mass fraction: 100 parts of matrix pitches, 2~3 parts
Waste tire powder, 3~5 parts of organo montmorillonites, 3~5 parts of diatomite and 3~4 parts of attapulgite soils.
Further, the high performance modified bitumen, the raw material including following mass fraction: 100 parts of matrix pitches, 2.5 parts
Waste tire powder, 4 parts of organo montmorillonites, 3.5 parts of diatomite and 3.5 parts of attapulgite soils.
Further, the matrix pitch is 70# matrix pitch, and matrix pitch is being placed in 130~150 DEG C of baking ovens using preceding
2~3h of middle heat preservation.
Further, the organo montmorillonite the preparation method comprises the following steps: 1~4 part of Cetrimide is added to 85~95 parts of distilled water
In, 15~20min is stirred, suspension is obtained；Then 3~8 parts of sodium-based montmorillonites are added into suspension, and sodium hydroxide is added
Solution adjusts suspension pH value to 10.0；Suspension is placed at 90 DEG C 6~10h of stirring later, washing, filter, it is dry to get
Organo montmorillonite.
Above-mentioned high performance modified bitumen is using following preparation method:
(1) it is matched by above-mentioned raw materials, waste tire powder is added in matrix pitch, is placed on controllable temperature electrothermal furnace, into
Row stirring, whipping temp be 155~170 DEG C, stirring rate be 4000r/min~5000r/min, mixing time be 25~
40min, and 0.5~2h is developed at a constant temperature, obtain intermediate product A；
(2) it matches, organo montmorillonite and diatomite is added in above-mentioned intermediate product A, 130~150 by above-mentioned raw materials
At DEG C, then 3~5min of hand operated mixing carries out high-speed stirred, whipping temp is 140~150 DEG C, mixing speed 2000r/
Min~3000r/min, mixing time are 30~45min, obtain intermediate product B；
(3) attapulgite soil of said components is added in above-mentioned intermediate product B, carries out high-speed stirring using high speed shear instrument
It mixes, whipping temp is 140~150 DEG C, and stirring rate is 4500r/min~5500r/min, and mixing time is 25~40min, i.e.,
Obtain high performance modified bitumen.
A kind of bituminous concrete, the raw material including following mass fraction, high performance modified bitumen described in claim 1-5
4~5 parts, gather materials 95~97 parts and 3~5 parts of miberal powder.
Wherein gather materials for limestone or basalt.
It is compared with the prior art, the invention has the following beneficial effects:
1, the present invention changes matrix pitch using waste tire powder, organo montmorillonite, diatomite and attapulgite soil
Property, montmorillonite, diatomite, waste tire powder addition so that matrix pitch microcosmic point present sheet distribution, and
The attapulgite soil being added in matrix pitch is inserted between pitch lamella in rodlike and fibrous, is formed in pitch steady
Fixed reticular structure, and pitch is uniform disperse system after mixing, asphalt modification effect is more preferable, further increases modified pitch
Rheological behavior；In addition, attapulgite soil can absorb ultraviolet light, there is positive work to the ageing resistance for improving bituminous concrete
With.Meanwhile montmorillonite, diatomite, attapulgite soil are added after waste tire powder, are adsorbed in waste tire powder particles table
Face both can guarantee that waste tire powder was swollen the abundant progress of reaction in matrix pitch, while reduce waste tire powder and drip
Green further contact avoids pitch and serious desulfurization degradation occurs, extends the optimal use time of high-performance pitch.
2, high performance modified bitumen of the invention and bituminous concrete preparation are simple, high-temperature stability is good, rutting resistance
And anti-aging property is strong, has good durability, while later maintenance cost is low, heavy duty strong especially suitable for ultraviolet light
It promotes the use of traffic more regions.
Detailed description of the invention
Fig. 1 is the pavement structure schematic diagram of 6-8 of the embodiment of the present invention；
Fig. 2 is the pavement structure schematic diagram of comparative example 1；
Fig. 3 is the pavement structure schematic diagram of comparative example 2.
Specific embodiment
Combined with specific embodiments below, the method for the present invention is described in detail.The implementation case is with the technology of the present invention
Premised under implemented, now provide detailed embodiment and specific operating process, but protection scope of the present invention is unlimited
In embodiment below.
One, high performance modified bitumen is prepared
Embodiment 1
A kind of high performance modified bitumen, the raw material including following mass fraction: 100 parts of matrix pitches, 1 part of waste tire
Powder, 2 parts of organo montmorillonites, 1 part of diatomite and 2 parts of attapulgite soils.
Above-mentioned organo montmorillonite the preparation method comprises the following steps: 1 part of Cetrimide is added in 85 parts of distilled water, stir 15min, obtain
To suspension；Then into suspension be added 3 parts of sodium-based montmorillonites, and be added sodium hydroxide solution adjust suspension pH value to
10.0；Suspension is placed at 90 DEG C later and stirs 6h, suction filtration operation is carried out to obtained solution, then be washed with deionized
Filtered solution, and by the sample drying grinding after washing to get organo montmorillonite.
The preparation method of above-mentioned high performance modified bitumen, includes the following steps:
(1) it is matched by above-mentioned raw materials, waste tire powder is added in matrix pitch, is placed on controllable temperature electrothermal furnace, adopts
It being stirred with high speed shear instrument, whipping temp is 155 DEG C, stirring rate 4000r/min, mixing time 25min, and
0.5h is developed under constant temperature, obtains intermediate product A；
(2) it is matched by above-mentioned raw materials, organo montmorillonite and diatomite is added in above-mentioned intermediate product A, at 130 DEG C,
Then hand operated mixing 3min carries out high-speed stirred using high speed shear instrument, whipping temp is 140 DEG C, mixing speed 2000r/
Min, mixing time 30min obtain intermediate product B；
(3) attapulgite soil of said components is added in above-mentioned intermediate product B, carries out high-speed stirring using high speed shear instrument
Mix, whipping temp be 140 DEG C, stirring rate 4500r/min, mixing time be 25min to get arrive high performance modified bitumen.
Embodiment 2
A kind of high performance modified bitumen, the raw material including following mass fraction: 100 parts of matrix pitches, 4 parts of waste tires
Powder, 6 parts of organo montmorillonites, 6 parts of diatomite and 5 parts of attapulgite soils.
Above-mentioned organo montmorillonite the preparation method comprises the following steps: 4 parts of Cetrimides are added in 95 parts of distilled water, stir 20min, obtain
To suspension；Then into suspension be added 8 parts of sodium-based montmorillonites, and be added sodium hydroxide solution adjust suspension pH value to
10.0；Suspension is placed at 90 DEG C later and stirs 10h, suction filtration operation is carried out to obtained solution, then be washed with deionized water
Filtered solution is washed, and by the sample drying grinding after washing to get organo montmorillonite.
The preparation method of above-mentioned high performance modified bitumen, includes the following steps:
(1) it is matched by above-mentioned raw materials, waste tire powder is added in matrix pitch, is placed on controllable temperature electrothermal furnace, adopts
It being stirred with high speed shear instrument, whipping temp is 170 DEG C, stirring rate 5000r/min, mixing time 40min, and
2h is developed under constant temperature, obtains intermediate product A；
(2) it is matched by above-mentioned raw materials, organo montmorillonite and diatomite is added in above-mentioned intermediate product A, at 150 DEG C,
Then hand operated mixing 5min carries out high-speed stirred using high speed shear instrument, whipping temp is 150 DEG C, mixing speed 3000r/
Min, mixing time 45min obtain intermediate product B；
(3) attapulgite soil of said components is added in above-mentioned intermediate product B, carries out high-speed stirring using high speed shear instrument
It mixes, it is 5500r/min that whipping temp, which is 150 DEG C of stirring rates, and mixing time is 40min to get high performance modified bitumen is arrived.
Embodiment 3
A kind of high performance modified bitumen, the raw material including following mass fraction: 100 parts of matrix pitches, 2 parts of waste tires
Powder, 3 parts of organo montmorillonites, 3 parts of diatomite and 3 parts of attapulgite soils.
Above-mentioned organo montmorillonite the preparation method comprises the following steps: 2.5 parts of Cetrimides are added in 90 parts of distilled water, stir
20min obtains suspension；Then 5.5 parts of sodium-based montmorillonites are added into suspension, and sodium hydroxide solution is added and adjusts suspension
Liquid pH value is to 10.0；Suspension is placed at 90 DEG C later and stirs 10h, suction filtration operation is carried out to obtained solution, then spend
The filtered solution of ion water washing, and by the sample drying grinding after washing to get organo montmorillonite.
The preparation method of above-mentioned high performance modified bitumen, includes the following steps:
(1) it is matched by above-mentioned raw materials, waste tire powder is added in matrix pitch, is placed on controllable temperature electrothermal furnace, adopts
It being stirred with high speed shear instrument, whipping temp is 170 DEG C, stirring rate 5000r/min, mixing time 40min, and
2h is developed under constant temperature, obtains intermediate product A；
(2) it is matched by above-mentioned raw materials, organo montmorillonite and diatomite is added in above-mentioned intermediate product A, at 150 DEG C,
Then hand operated mixing 5min carries out high-speed stirred using high speed shear instrument, whipping temp is 150 DEG C, mixing speed 3000r/
Min, mixing time 45min obtain intermediate product B；
(3) attapulgite soil of said components is added in above-mentioned intermediate product B, carries out high-speed stirring using high speed shear instrument
It mixes, it is 5500r/min that whipping temp, which is 145 DEG C of stirring rates, and mixing time is 40min to get high performance modified bitumen is arrived.
Embodiment 4
A kind of high performance modified bitumen, the raw material including following mass fraction: 100 parts of matrix pitches, 3 parts of waste tires
Powder, 5 parts of organo montmorillonites, 5 parts of diatomite and 4 parts of attapulgite soils.
Above-mentioned organo montmorillonite the preparation method comprises the following steps: 2 parts of Cetrimides are added in 90 parts of distilled water, stir
18min obtains suspension；Then 6 parts of sodium-based montmorillonites are added into suspension, and sodium hydroxide solution is added and adjusts suspension
PH value is to 10.0；Suspension is placed at 90 DEG C later and stirs 8h, suction filtration operation is carried out to obtained solution, then use deionization
The filtered solution of water washing, and by the sample drying grinding after washing to get organo montmorillonite.
The preparation method of above-mentioned high performance modified bitumen, includes the following steps:
(1) it is matched by above-mentioned raw materials, waste tire powder is added in matrix pitch, is placed on controllable temperature electrothermal furnace, adopts
It being stirred with high speed shear instrument, whipping temp is 160 DEG C, stirring rate 4500r/min, mixing time 30min, and
1h is developed under constant temperature, obtains intermediate product A；
(2) it is matched by above-mentioned raw materials, organo montmorillonite and diatomite is added in above-mentioned intermediate product A, at 140 DEG C,
Then hand operated mixing 4min carries out high-speed stirred using high speed shear instrument, whipping temp is 145 DEG C, mixing speed 2500r/
Min, mixing time 40min obtain intermediate product B；
(3) attapulgite soil of said components is added in above-mentioned intermediate product B, carries out high-speed stirring using high speed shear instrument
Mix, whipping temp be 145 DEG C, stirring rate 5000r/min, mixing time be 30min to get arrive high performance modified bitumen.
Embodiment 5
A kind of high performance modified bitumen, the raw material including following mass fraction: 100 parts of matrix pitches, 2.5 parts of waste tires
Powder, 4 parts of organo montmorillonites, 3.5 parts of diatomite and 3.5 parts of attapulgite soils.
Above-mentioned organo montmorillonite the preparation method comprises the following steps: 3 parts of Cetrimides are added in 88 parts of distilled water, stir
18min obtains suspension；Then 5 parts of sodium-based montmorillonites are added into suspension, and sodium hydroxide solution is added and adjusts suspension
PH value is to 10.0；Suspension is placed at 90 DEG C later and stirs 9h, suction filtration operation is carried out to obtained solution, then use deionization
The filtered solution of water washing, and by the sample drying grinding after washing to get organo montmorillonite.
The preparation method of above-mentioned high performance modified bitumen, includes the following steps:
(1) it is matched by above-mentioned raw materials, waste tire powder is added in matrix pitch, is placed on controllable temperature electrothermal furnace, adopts
It being stirred with high speed shear instrument, whipping temp is 165 DEG C, stirring rate 4800r/min, mixing time 35min, and
1.5h is developed under constant temperature, obtains intermediate product A；
(2) it is matched by above-mentioned raw materials, organo montmorillonite and diatomite is added in above-mentioned intermediate product A, at 145 DEG C,
Then hand operated mixing 4min carries out high-speed stirred using high speed shear instrument, whipping temp is 145 DEG C, mixing speed 2000r/
Min, mixing time 35min obtain intermediate product B；
(3) attapulgite soil of said components is added in above-mentioned intermediate product B, carries out high-speed stirring using high speed shear instrument
Mix, whipping temp be 150 DEG C, stirring rate 5000r/min, mixing time be 30min to get arrive high performance modified bitumen.
In 1-5 of the embodiment of the present invention, involved matrix pitch is 70# matrix pitch, the pitch of other certain models
It can also be with such as the double dragon 70# matrix pitches of South Korea, SK70# matrix pitch, East Sea 70# matrix pitch, the drip of Kelamayi 90# matrix
Blueness, furthermore in embodiment 1-5 before preparing high performance modified bitumen, used matrix pitch is required to be placed in 130~150
2~3h is kept the temperature in DEG C baking oven, to guarantee that matrix pitch has sufficient mobility.
Table 1 gives the performance comparison of the high performance modified bitumen and comparative example pitch that prepare using method of the invention,
It the results are shown in Table 1.
The performance comparison table of the high performance modified bitumen of the invention of table 1 and comparative example pitch
As can be seen from Table 1, high performance modified bitumen is compared with generic media pitch and SBS modified pitch, through ultraviolet length
After phase ageing process, needle penetration, ductility and softening point index change amplitude minimum, and reduced performance is minimum, illustrate that high-performance changes
Property pitch ageing resistance be better than matrix pitch and SBS modified pitch.
Two, bituminous concrete is prepared
Embodiment 6
A kind of bituminous concrete, the raw material including following mass fraction: 4 parts of high performance modified bitumen, gather materials limestone 95
Part, 3 parts of miberal powder.
Embodiment 7
A kind of bituminous concrete, the raw material including following mass fraction: 5 parts of high performance modified bitumen, gather materials limestone 97
Part, 5 parts of miberal powder.
Embodiment 8
A kind of bituminous concrete, the raw material including following mass fraction: 4.5 parts of high performance modified bitumen, gather materials limestone
96 parts, 4 parts of miberal powder.
The bituminous concrete of above-described embodiment 6-8 is all made of following preparation method: by the high-performance modified drip of said components
It is green, gather materials that uniform stirring forms bituminous concrete at 160~170 DEG C with miberal powder.
Comparison is mixed using bituminous concrete prepared by the present invention and matrix pitch concrete (comparative example 1), SBS modified pitch
Solidifying soil (comparative example 2) is paved the way, wherein the upper, middle and lower layer of Fig. 1 is bituminous concrete prepared by the present invention；Fig. 2 it is upper,
In, lower layer be matrix pitch concrete；The upper, middle and lower layer of Fig. 3 is SBS modified asphalt concrete, Pavement Performance comparison
It the results are shown in Table 2.
The comparison of the pavement performance of 2 embodiment of table and comparative example
As can be seen from Table 2, high performance modified bitumen concrete is compared with matrix pitch concrete, high-temperature stability,
Low-temperature antifreeze, which melts ability, rutting resistance and anti-fatigue performance, the raising of different amplitudes, durability enhancing, and high-temperature stable
Property and rutting resistance are equally better than SBS modified asphalt concrete, while can be applied to each bitumen layer position.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (8)
1. a kind of high performance modified bitumen, which is characterized in that the raw material including following mass fraction: 100 parts of matrix pitches, 1~4
Part waste tire powder, 2~6 parts of organo montmorillonites, 1~6 part of diatomite and 2~5 parts of attapulgite soils.
2. high performance modified bitumen according to claim 1, which is characterized in that the raw material including following mass fraction: 100
Part matrix pitch, 2~3 parts of waste tire powder, 3~5 parts of organo montmorillonites, 3~5 parts of diatomite and 3~4 parts of attapulgite soils.
3. high performance modified bitumen according to claim 2, which is characterized in that the raw material including following mass fraction: 100
Part matrix pitch, 2.5 parts of waste tire powder, 4 parts of organo montmorillonites, 3.5 parts of diatomite and 3.5 parts of attapulgite soils.
4. high performance modified bitumen according to claim 3, which is characterized in that the matrix pitch is 70# matrix pitch,
Matrix pitch is being placed in 2~3h of heat preservation in 130~150 DEG C of baking ovens using preceding.
5. high performance modified bitumen according to claim 1, which is characterized in that the preparation method of the organo montmorillonite
Are as follows: 1~4 part of Cetrimide is added in 85~95 parts of distilled water, 15~20min is stirred, obtains suspension；Then to suspension
3~8 parts of sodium-based montmorillonites of middle addition, and sodium hydroxide solution is added and adjusts suspension pH value to 10.0；Suspension is set later
6~10h is stirred at 90 DEG C, washing filters, is dry to get organo montmorillonite.
6. a kind of preparation method of high performance modified bitumen a method as claimed in any one of claims 1 to 5, which is characterized in that including as follows
Step:
(1) it is matched by above-mentioned raw materials, waste tire powder is added in matrix pitch, is placed on controllable temperature electrothermal furnace, is stirred
It mixes, whipping temp is 155~170 DEG C, and stirring rate is 4000r/min~5000r/min, and mixing time is 25~40min, and
0.5~2h is developed at a constant temperature, obtains intermediate product A；
(2) it is matched by above-mentioned raw materials, organo montmorillonite and diatomite is added in above-mentioned intermediate product A, at 130~150 DEG C,
3~5min of hand operated mixing, then carries out high-speed stirred, and whipping temp is 140~150 DEG C, mixing speed be 2000r/min~
3000r/min, mixing time are 30~45min, obtain intermediate product B；
(3) attapulgite soil of said components is added in above-mentioned intermediate product B, carries out high-speed stirred using high speed shear instrument,
Whipping temp be 140~150 DEG C, stirring rate be 4500r/min~5500r/min, mixing time be 25~40min to get
To high performance modified bitumen.
7. a kind of bituminous concrete, which is characterized in that the raw material including following mass fraction, high property described in claim 1-5
4~5 parts of modified pitch of energy gathers materials 95~97 parts and 3~5 parts of miberal powder.
8. bituminous concrete according to claim 7, which is characterized in that described to gather materials for limestone or basalt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910293569.4A CN110054438B (en) | 2019-04-12 | 2019-04-12 | High-performance modified asphalt, preparation method thereof and asphalt concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910293569.4A CN110054438B (en) | 2019-04-12 | 2019-04-12 | High-performance modified asphalt, preparation method thereof and asphalt concrete |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110054438A true CN110054438A (en) | 2019-07-26 |
| CN110054438B CN110054438B (en) | 2021-08-20 |
Family
ID=67318949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910293569.4A Active CN110054438B (en) | 2019-04-12 | 2019-04-12 | High-performance modified asphalt, preparation method thereof and asphalt concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110054438B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117383864A (en) * | 2023-10-13 | 2024-01-12 | 保定岩恒新材料科技有限公司 | Recycled asphalt concrete and preparation method thereof |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1112640A (en) * | 1966-06-16 | 1968-05-08 | Exxon Research Engineering Co | Process for preparing structural elements and product thereof |
| CN1400251A (en) * | 2001-08-02 | 2003-03-05 | 杜信 | Diatomite modified asphalt |
| CN1837292A (en) * | 2006-04-24 | 2006-09-27 | 深圳清华大学研究院 | Process for preparing bituminous composite modified master and modified asphalt |
| CN103725021A (en) * | 2013-12-10 | 2014-04-16 | 柳州博泽科技有限公司 | Composite asphalt modifier |
| CN104212191A (en) * | 2014-08-27 | 2014-12-17 | 华南理工大学 | Laminated nanometer clay/waste rubber power composite modified asphalt material and preparation method thereof |
| CN104830032A (en) * | 2015-04-28 | 2015-08-12 | 江苏苏博特新材料股份有限公司 | Asphalt temperature performance reinforcing agent, production method and applications thereof |
| CN105176115A (en) * | 2015-10-14 | 2015-12-23 | 辽宁省交通科学研究院 | SBS-rubber powder composite modified asphalt and preparation method thereof |
| CN106515115A (en) * | 2016-11-23 | 2017-03-22 | 咸阳东方雨虹建筑材料有限公司 | Anti-aging elastomer-modified asphalt waterproof rolling material |
| CN107056174A (en) * | 2017-06-08 | 2017-08-18 | 合肥聪亨新型建材科技有限公司 | A kind of composite facing tile and its production technology |
| CN107793775A (en) * | 2017-11-10 | 2018-03-13 | 谢长溪 | A kind of modified asphalt composite material and preparation method thereof |
| CN208266622U (en) * | 2018-04-12 | 2018-12-21 | 重庆市市政设计研究院 | A kind of sponge non-watertight road edge stone and sponge urban road structural system |
-
2019
- 2019-04-12 CN CN201910293569.4A patent/CN110054438B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1112640A (en) * | 1966-06-16 | 1968-05-08 | Exxon Research Engineering Co | Process for preparing structural elements and product thereof |
| CN1400251A (en) * | 2001-08-02 | 2003-03-05 | 杜信 | Diatomite modified asphalt |
| CN1837292A (en) * | 2006-04-24 | 2006-09-27 | 深圳清华大学研究院 | Process for preparing bituminous composite modified master and modified asphalt |
| CN103725021A (en) * | 2013-12-10 | 2014-04-16 | 柳州博泽科技有限公司 | Composite asphalt modifier |
| CN104212191A (en) * | 2014-08-27 | 2014-12-17 | 华南理工大学 | Laminated nanometer clay/waste rubber power composite modified asphalt material and preparation method thereof |
| CN104830032A (en) * | 2015-04-28 | 2015-08-12 | 江苏苏博特新材料股份有限公司 | Asphalt temperature performance reinforcing agent, production method and applications thereof |
| CN105176115A (en) * | 2015-10-14 | 2015-12-23 | 辽宁省交通科学研究院 | SBS-rubber powder composite modified asphalt and preparation method thereof |
| CN106515115A (en) * | 2016-11-23 | 2017-03-22 | 咸阳东方雨虹建筑材料有限公司 | Anti-aging elastomer-modified asphalt waterproof rolling material |
| CN107056174A (en) * | 2017-06-08 | 2017-08-18 | 合肥聪亨新型建材科技有限公司 | A kind of composite facing tile and its production technology |
| CN107793775A (en) * | 2017-11-10 | 2018-03-13 | 谢长溪 | A kind of modified asphalt composite material and preparation method thereof |
| CN208266622U (en) * | 2018-04-12 | 2018-12-21 | 重庆市市政设计研究院 | A kind of sponge non-watertight road edge stone and sponge urban road structural system |
Non-Patent Citations (2)
| Title |
|---|
| JIAO JIN，ET AL.: ""Synergy Effect of Attapulgite, Rubber, and Diatomite on Organic Montmorillonite-Modified Asphalt"", 《JOURNAL OF MATERIALS IN CIVIL ENGINEERING》 * |
| TANG, XINDE， ET AL.: ""Performance Evaluation of Nano-Montmorillonite/SBS Modified Asphalt Paving Mixtures"", 《MATERIALS SCIENCE FORUM》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117383864A (en) * | 2023-10-13 | 2024-01-12 | 保定岩恒新材料科技有限公司 | Recycled asphalt concrete and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110054438B (en) | 2021-08-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101255245B (en) | Road bitumen regenerative agent | |
| CN104231640B (en) | A kind of SBS modified asphalt regeneration agent and preparation method thereof | |
| CN101508789B (en) | Composite modified asphalt for high-grade high road and preparation thereof | |
| CN101492570A (en) | Hard road bitumen compositions and preparation process | |
| CN107188461B (en) | Inspire confidence in the preparation method of basalt fibre water-permeating pitch mixed material in a kind of incorporation North America | |
| CN103113044A (en) | High-modulus bituminous mixture admixed with waste material, preparation method and method for preparing mixture specimen | |
| CN107082591B (en) | Paving material for municipal construction and building engineering and design method thereof | |
| CN107265926B (en) | Basalt fibre water-permeating pitch mixed material is inspired confidence in a kind of incorporation North America | |
| CN110054438A (en) | High performance modified bitumen, preparation method and bituminous concrete | |
| CN103788667A (en) | Multicomponent system for improving modulus of asphalt mixture, and application method and modified asphalt thereof | |
| CN106630770A (en) | Double-fiber fine-grain type asphalt mixture and preparation method thereof | |
| CN113698138B (en) | high-RAP-content regeneration mixture and preparation method and application thereof | |
| CN110204252B (en) | Preparation method of recycled asphalt mixture | |
| CN101985526A (en) | Composite modified asphalt for high-grade road and preparation method thereof | |
| CN105062105A (en) | Heat-resistant glass fiber asphalt shingle basic material and preparation method and application thereof | |
| CN104559266A (en) | Warm mixing agent and preparation method thereof | |
| CN104073003A (en) | Road asphalt modifier and preparation method thereof | |
| CN101445661A (en) | Anti-rutting modified asphalt material for road and preparation method thereof | |
| CN111073321A (en) | Asphalt mucilage based on waste edible oil regeneration and preparation method thereof | |
| CN111548056B (en) | Acid rain corrosion resistant asphalt mixture and preparation method thereof | |
| CN111056769A (en) | Carbon fiber asphalt mixture | |
| CN109651831A (en) | A kind of economical pitch ordor removing reinforced modifier and its preparation method and application | |
| CN113896457A (en) | Composite thermal regeneration asphalt mixture and preparation method thereof | |
| CN107759139A (en) | Highly anti-fatigue cracking resistance water-permeating pitch mixed material and preparation method thereof | |
| CN103771749B (en) | Environmental-friendly warm mixed asphalt additive and preparation method thereof |
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 | ||
| CB02 | Change of applicant information |
Address after: No.69, Yanghe village, Jiangbei District, Chongqing Applicant after: Chongqing Municipal Design and Research Institute Co.,Ltd. Address before: No.69, Yanghe village, Jiangbei District, Chongqing Applicant before: CHONGQING MUNICIPAL DESIGN INSTITUTE |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240616 Address after: No.69, Yanghe village, Jiangbei District, Chongqing Patentee after: Chongqing Design Group Co.,Ltd. Country or region after: China Address before: No.69, Yanghe village, Jiangbei District, Chongqing Patentee before: Chongqing Municipal Design and Research Institute Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |