CN109486234A - A kind of waste plastic regeneration direct putting type asphalt mixed material modifier and preparation method thereof - Google Patents
A kind of waste plastic regeneration direct putting type asphalt mixed material modifier and preparation method thereof Download PDFInfo
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- CN109486234A CN109486234A CN201811374859.3A CN201811374859A CN109486234A CN 109486234 A CN109486234 A CN 109486234A CN 201811374859 A CN201811374859 A CN 201811374859A CN 109486234 A CN109486234 A CN 109486234A
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- 239000004033 plastic Substances 0.000 title claims abstract description 71
- 229920003023 plastic Polymers 0.000 title claims abstract description 71
- 239000002699 waste material Substances 0.000 title claims abstract description 68
- 239000000463 material Substances 0.000 title claims abstract description 52
- 239000010426 asphalt Substances 0.000 title claims abstract description 51
- 239000003607 modifier Substances 0.000 title claims abstract description 41
- 230000008929 regeneration Effects 0.000 title claims abstract description 41
- 238000011069 regeneration method Methods 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 32
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 32
- 239000000835 fiber Substances 0.000 claims abstract description 19
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 18
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 18
- 230000004048 modification Effects 0.000 claims abstract description 16
- 238000012986 modification Methods 0.000 claims abstract description 16
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims abstract description 14
- 239000012188 paraffin wax Substances 0.000 claims abstract description 14
- 239000003381 stabilizer Substances 0.000 claims abstract description 14
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 13
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 13
- 239000006229 carbon black Substances 0.000 claims abstract description 13
- 239000004014 plasticizer Substances 0.000 claims abstract description 13
- 239000000347 magnesium hydroxide Substances 0.000 claims abstract description 12
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims abstract description 12
- 229920000642 polymer Polymers 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims description 33
- 239000011265 semifinished product Substances 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 229920000728 polyester Polymers 0.000 claims description 10
- 239000002362 mulch Substances 0.000 claims description 4
- 238000004064 recycling Methods 0.000 claims description 4
- 238000006116 polymerization reaction Methods 0.000 claims 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 11
- 230000007797 corrosion Effects 0.000 abstract description 11
- 238000010276 construction Methods 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 5
- 239000011384 asphalt concrete Substances 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000007385 chemical modification Methods 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000003786 synthesis reaction Methods 0.000 abstract description 3
- 235000012254 magnesium hydroxide Nutrition 0.000 description 10
- 235000019241 carbon black Nutrition 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 9
- 235000006708 antioxidants Nutrition 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229910017435 S2 In Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
-
- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/20—Recycled plastic
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Road Paving Structures (AREA)
Abstract
The present invention provides a kind of waste plastic regeneration direct putting type asphalt mixed material modifiers, stern layer is wrapped up in including internal polymer modification layer and the waste plastic being wrapped in outside polymer modification layer, wherein, waste plastic wraps up in the material that stern layer includes following parts by weight: waste plastic, and 30-40 parts；Polymer modification layer includes the raw material of following parts by weight: 5-10 parts of polytetrafluoroethylene (PTFE), 5-8 parts of paraffin, 5-10 parts of fiber, 3-5 parts of stabilizer, 12-20 parts of plasticizer, 0.1-0.8 parts of antioxidant, 5-10 parts of magnesium hydroxide, 2.9-4.2 parts of carbon black, 2-3.5 parts of antistripping agent.High-modulus agent in road surface provided by the invention not only takes for original complicated preparation process, corrosion resistance, high water-permeability modified asphalt concrete can be generated by chemical modification, synthesis pavement performance, the prolonging service life of pavement for reducing investment, pollution and energy consumption simultaneously, improving bituminous pavement, road construction and maintenance cost are reduced, there is high economic value and social benefit.
Description
Technical field
The present invention relates to agricultural, traffic, water conservancy, building field new technologies, have more specifically to one kind relatively strong resistance to
Corrosivity, waste plastic regeneration direct putting type asphalt mixed material modifier of high water-permeability and preparation method thereof.
Background technique
In recent years, with the extensive use of bituminous pavement, the noise of the bituminous pavement under the conditions of marine climate, corrosivity
And the problems such as Moisture Damage disease, seriously affect the life of the masses.Rainy day traffic accident is 9 times of fine day accident, bituminous pavement
5 times or more to national standard projected life of service life reduction.State Bureau of Environmental Protection to the traffic noise of China main cities road and
Traffic accident be monitored show the traffic noise of nearly all road all mean value (70dB, round the clock) up and down, it is most of exceeded
Section is exceeded to reach 30% or more, and environmental pollution is serious, causes the great attention of various circles of society.Under the conditions of marine climate
The various problems of bituminous pavement, the prior art are that the modified material with corrosion resistance, water penetration is placed to special device to set
It is standby inner, then it is placed in matrix pitch, it is mixed together with matrix pitch and chemical modification is carried out by high speed shear, produced corrosion-resistant
The modified pitch of property, high water-permeability, then it is transported to asphalt mixing plant by special thermal car, with the building stones of different size,
Miberal powder and fiber are stirred, and produce corrosion resistance, high water-permeability modified asphalt concrete.The technology is needed to modified pitch
Equipment is invested, and construction cost is increased.In addition, this Production Process of Modified Bitumen complexity, high energy consumption, high pollution, and
Performance is unstable, during transportation, isolation is easy, so that the quality of asphalt mixtures produced is unstable.
Summary of the invention
It is an object of the invention under the conditions of marine climate, at present the complicated technology of tradition modified pitch, it is with high investment,
High energy consumption, high pollution, comprehensive pavement performance is low, service life of road surface is short etc., and technical problems provide a kind of has compared with strong corrosion resistant
Property, waste plastic regeneration direct putting type asphalt mixed material modifier of high water-permeability and preparation method thereof.
On the one hand, the embodiment of the present invention provides a kind of waste plastic regeneration direct putting type asphalt mixed material modifier, described useless
Old plastic reclaimed direct putting type asphalt mixed material modifier includes internal polymer modification layer and is wrapped in the polymer modification
Waste plastic outside layer wraps up in stern layer, wherein the waste plastic wraps up in the material that stern layer includes following parts by weight: waste plastic, 30-
40 parts；The polymer modification layer includes the raw material of following parts by weight:
5-10 parts of polytetrafluoroethylene (PTFE), 5-8 parts of paraffin, 5-10 parts of fiber, 3-5 parts of stabilizer, 12-20 parts of plasticizer, antioxygen
0.1-0.8 parts of agent, 5-10 parts of magnesium hydroxide, 2.9-4.2 parts of carbon black, 2-3.5 parts of antistripping agent.
In waste plastic regeneration direct putting type asphalt mixed material modifier provided by the invention, the waste plastic is recycling
Mulch.
In waste plastic regeneration direct putting type asphalt mixed material modifier provided by the invention, the fiber is that polyester is fine
Dimension.
In waste plastic regeneration direct putting type asphalt mixed material modifier provided by the invention, the polytetrafluoroethylene (PTFE) is powder
Shape.
Correspondingly, waste plastic regeneration direct putting type asphalt modification as described above is prepared the present invention also provides a kind of
The preparation method of agent, comprising the following steps:
Step S1: by polytetrafluoroethylene (PTFE), paraffin, polyester fiber, stabilizer, antioxidant, magnesium hydroxide, carbon black, anti-stripping
It falls agent to be added in horizontal color mixing machine, carries out uniform stirring and semi-finished product are made；
Step S2: waste plastic and plasticizer are added in horizontal color mixing machine, are carried out again together with the semi-finished product equal
Then even stirring produces the waste plastic regeneration direct putting type asphalt mixed material modifier with double screw extruder.
In preparation method provided by the invention, in the step S1, whipping temp is room temperature, mixing time 5-10
Minute.
In preparation method provided by the invention, in the step S2, whipping temp is room temperature, mixing time 10-
20 minutes, the production temperature of the double screw extruder was 140 DEG C -165 DEG C.
Correspondingly, waste plastic regeneration direct putting type asphalt modification as described above is prepared the present invention also provides a kind of
The preparation method of agent, comprising the following steps:
By polytetrafluoroethylene (PTFE), waste plastic, paraffin, polyester fiber, stabilizer, antioxidant, magnesium hydroxide, carbon black, resist
Exfoliant, plasticizer are placed in together in horizontal color mixing machine, generate semi-finished product after carrying out uniform stirring；
The semi-finished product are placed in double screw extruder and are stirred for, the waste plastic regeneration direct putting type is produced
Asphalt mixed material modifier.
In preparation method provided by the invention, the temperature stirred in the horizontal color mixing machine is room temperature, mixing time
It is 15-25 minutes.
In preparation method provided by the invention, the time being stirred in the double screw extruder is 15-20 minutes,
Producing temperature is 140 DEG C -165 DEG C.
The implementation of the embodiments of the present invention has the following beneficial effects: corrosion resistance provided by the invention, high water-permeability is waste and old
Plastic reclaimed direct putting type asphalt mixed material modifier not only takes for original complicated preparation process, passes through chemical modification
Corrosion resistance, high water-permeability modified asphalt concrete are generated, while reducing investment, pollution and energy consumption, improving asphalt road
Synthesis pavement performance, the prolonging service life of pavement in face, reduce road construction and maintenance cost, have high economic value
And social benefit.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 shows perpendicular the cutting of the waste plastic regeneration direct putting type asphalt mixed material modifier of one embodiment of the invention offer
Diagrammatic cross-section；
Fig. 2 shows the crosscutting of the waste plastic regeneration direct putting type asphalt mixed material modifier of one embodiment of the invention offer
Diagrammatic cross-section.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides it is a kind of using waste plastic produce waste plastic regeneration direct putting type asphalt mixed material modifier,
Raw material including following parts by weight:
Waste plastic, 30-40 parts；5-10 parts of polytetrafluoroethylene (PTFE), 5-8 parts of paraffin, 5-10 parts of fiber, 3-5 parts of stabilizer, increase
Agent 12-20 parts, 0.1-0.8 parts of antioxidant, 5-10 parts of magnesium hydroxide, 2.9-4.2 parts of carbon black, 2-3.5 parts of antistripping agent of modeling.
Wherein, the waste plastic is recycling mulch；The fiber is polyester fiber；The polytetrafluoroethylene (PTFE) is powdery.
In the present invention, first recycling mulch is cleaned, is then placed in crusher and cuts into pieces, then sheet is produced
Milling is carried out in product merging milling equipment to handle to obtain the waste plastic of powdery.Then polytetrafluoroethylene (PTFE), paraffin, polyester is fine
Dimension, stabilizer, antioxidant, magnesium hydroxide, carbon black, antistripping agent are added in horizontal color mixing machine, carry out uniform stirring and are made half
Finished product；Waste plastic and plasticizer will be added in horizontal color mixing machine again, and carry out uniform stirring again together with the semi-finished product,
Then the waste plastic regeneration direct putting type asphalt mixed material modifier is produced with double screw extruder.Obtained high-modulus agent can
Directly launched simultaneously in asphalt mixing building with gathering materials, 180-185 DEG C of mix temperature, duration of mixing 5-10s, in high temperature collection
Website cross-linked structure is formed to gathering materials under the shearing peptizaiton of material；It is placed in pitch again to be mixed, mixing time 30-
40s equably wraps up pitch in gathering materials, it not only takes for original complicated preparation process as a result, is by chemical modification
It produces corrosion resistance, high water-permeability modified asphalt concrete, while reducing investment, pollution and energy consumption, improving pitch
Synthesis pavement performance, the prolonging service life of pavement on road surface, reduce road construction and maintenance cost, have high economic valence
Value and social benefit.
Fig. 1 shows perpendicular the cutting of the waste plastic regeneration direct putting type asphalt mixed material modifier of one embodiment of the invention offer
Diagrammatic cross-section；Fig. 2 shows the waste plastic regeneration direct putting type asphalt mixed material modifiers of one embodiment of the invention offer
Crosscutting diagrammatic cross-section.As depicted in figs. 1 and 2, in the present invention, the waste plastic regeneration direct putting type asphalt mixed material modifier
For graininess, for example, cylindrical body.It should be noted that during preparation, it is possible to create the not exclusively cylindrical body of rule,
This has no effect on implementation of the invention.Waste plastic regeneration direct putting type asphalt mixed material modifier of the invention is dimensioned to
Length is 5-8mm, diameter 0.5-1.8mm, so as to quickly melt during asphalt modification, participates in reaction.Fig. 1
For the sectional view of cutting at the vertically basal diameter of cylindrical body, Fig. 2 is the cross-sectional view of cylindrical body, it can be seen that the present invention mentions
The waste plastic regeneration direct putting type asphalt mixed material modifier of confession includes internal polymer modification layer 1, and is wrapped in described
Waste plastic outside polymer modification layer wraps up in stern layer 2.Wherein, the waste plastic wraps up in the material that stern layer includes following parts by weight:
Waste plastic, 30-40 parts；The polymer modification layer includes the raw material of following parts by weight: 5-10 parts of polytetrafluoroethylene (PTFE), paraffin 5-
8 parts, 5-10 parts of fiber, 3-5 parts of stabilizer, 12-20 parts of plasticizer, 0.1-0.8 parts of antioxidant, 5-10 parts of magnesium hydroxide, charcoal
It is 2.9-4.2 parts black, 2-3.5 parts of antistripping agent.
The present invention also specifically provides the preparation method of above-mentioned waste plastic regeneration direct putting type asphalt mixed material modifier, packet
It includes:
Step S1: by polytetrafluoroethylene (PTFE), paraffin, polyester fiber, stabilizer, antioxidant, magnesium hydroxide, carbon black, anti-stripping
It falls agent to be added in horizontal color mixing machine, carries out uniform stirring and semi-finished product are made；
Step S2: waste plastic and plasticizer are added in horizontal color mixing machine, are carried out again together with the semi-finished product equal
Then even stirring produces the waste plastic regeneration direct putting type asphalt mixed material modifier with double screw extruder.
Specifically, in the step S1, whipping temp is room temperature, and mixing time is 5-10 minutes；In the step S2
In, whipping temp is room temperature, and mixing time is 10-20 minutes, and the production temperature of the double screw extruder is 140 DEG C -165
℃。
In an alternative embodiment of the invention, above-mentioned waste plastic regeneration direct putting type asphalt mixed material modifier is additionally provided
Another preparation method, comprising the following steps:
By polytetrafluoroethylene (PTFE), waste plastic, paraffin, polyester fiber, stabilizer, antioxidant, magnesium hydroxide, carbon black, resist
Exfoliant, plasticizer are placed in together in horizontal color mixing machine, generate semi-finished product after carrying out uniform stirring；
The semi-finished product are placed in double screw extruder and are stirred for, the waste plastic regeneration direct putting type is produced
Asphalt mixed material modifier.
Specifically, the temperature stirred in the horizontal color mixing machine is room temperature, and mixing time is 15-25 minutes；Described double
The time being stirred in screw extruder is 15-20 minutes, and production temperature is 140 DEG C -165 DEG C.
During the preparation process, what is taken is secondary mixed to waste plastic regeneration direct putting type asphalt mixed material modifier of the invention
Symphysis produces, so that various raw materials and high molecular material uniformly mix, generate the combination of physical property rapidly, thus prepares useless
Old plastics recycle waste plastic regeneration direct putting type asphalt mixed material modifier to solve bituminous pavement by polymer modification
The with high investment of construction, high energy consumption, integrates the technical problems such as pavement performance is low, service life of road surface is short at high pollution, reduces road and builds
And if maintenance cost, lifting construction efficiency, preserving the ecological environment, saving social resources.
The raw material and preparation process of material of the invention are specifically described by the following examples, it is used below
Expression " part " is by weight number.
Embodiment 1
6 parts of polytetrafluoroethylene (PTFE), 6 parts of paraffin, 7 parts of fibers, 4 parts of stabilizers, 0.5 are added in the horizontal color mixing machine of bin device
Part antioxidant, 8 parts of magnesium hydroxides, 4 parts of carbon blacks, 3 parts of antistripping agents carry out uniform stirrings and semi-finished product are made；Whipping temp is room
Temperature, mixing time are 8 minutes.
40 parts of waste plastic and 15 parts of plasticizer are added in horizontal color mixing machine, are carried out again together with the semi-finished product equal
Then even stirring produces the waste plastic regeneration direct putting type asphalt mixed material modifier with double screw extruder.Wherein, it mixes
Temperature be room temperature, the time be 15 minutes；The production temperature of double screw extruder is 144 DEG C.
Embodiment 2
By 7 parts of polytetrafluoroethylene (PTFE), 5 parts of paraffin, 8 parts of fibers, 5 parts of stabilizers, 0.6 part of antioxidant, 7 parts of magnesium hydroxides,
3.5 parts of carbon blacks, 3.2 parts of antistripping agents, 35 parts of waste plastic and 13 parts of plasticizer are placed in together in horizontal color mixing machine, are carried out uniform
Semi-finished product are generated after stirring；The temperature of stirring is room temperature, and mixing time is 20 minutes.
The semi-finished product are placed in double screw extruder and are stirred for, the waste plastic regeneration direct putting type is produced
Asphalt mixed material modifier；Wherein, the time being stirred for is 20 minutes, and production temperature is 145 DEG C.
After corrosion resistance provided by the invention, high water-permeability waste plastic regeneration direct putting type asphalt mixed material modifier use
It has a characteristic that
1, it takes for traditional technology production technology, matrix pitch is directly transported to asphalt mixing building and building stones, mineral aggregate mix
The waste plastic regeneration direct putting type asphalt mixed material modifier is added in the process, is able to produce out corrosion resistance, high water-permeability changes
Property bituminous concrete.
2, energy consumption caused by traditional technology production technology and pollution are solved.
3, asphalt modification transport, the storage link of traditional technology are solved.
3, the water permeability performance of bituminous pavement is improved 1-2 times.
4, the corrosion resistance performance of bituminous pavement is improved 1 times or more.
5, the noise pollution of bituminous pavement is lowered into 2 times or more
6, bituminous pavement service life will be extended and extends 3-5.
7, the construction of asphalt roads and maintenance cost are reduced 30%.
Above disclosed is only a preferred embodiment of the present invention, cannot limit the power of the present invention with this certainly
Sharp range, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and weighs according to the present invention
Benefit requires made equivalent variations, still belongs to the scope covered by the invention.
Claims (10)
1. a kind of waste plastic regeneration direct putting type asphalt mixed material modifier, which is characterized in that the waste plastic regeneration is delivered directly
Formula asphalt mixed material modifier includes internal polymer modification layer and the waste plastic that is wrapped in outside the polymer modification layer
Wrap up in stern layer, wherein the waste plastic wraps up in the material that stern layer includes following parts by weight: waste plastic, and 30-40 parts；The polymerization
Object modified layer includes the raw material of following parts by weight:
5-10 parts of polytetrafluoroethylene (PTFE), 5-8 parts of paraffin, 5-10 parts of fiber, 3-5 parts of stabilizer, 12-20 parts of plasticizer, antioxidant
0.1-0.8 parts, 5-10 parts of magnesium hydroxide, 2.9-4.2 parts of carbon black, 2-3.5 parts of antistripping agent.
2. waste plastic regeneration direct putting type asphalt mixed material modifier according to claim 1, which is characterized in that described useless
Old plastics are recycling mulch.
3. waste plastic regeneration direct putting type asphalt mixed material modifier according to claim 1, which is characterized in that the fibre
Dimension is polyester fiber.
4. waste plastic regeneration direct putting type asphalt mixed material modifier according to claim 1, which is characterized in that described poly-
Tetrafluoroethene is powdery.
5. a kind of preparation method for preparing waste plastic regeneration direct putting type asphalt mixed material modifier as described in claim 1,
Characterized by comprising the following steps:
Step S1: by polytetrafluoroethylene (PTFE), paraffin, polyester fiber, stabilizer, antioxidant, magnesium hydroxide, carbon black, antistripping agent
It is added in horizontal color mixing machine, carries out uniform stirring and semi-finished product are made；
Step S2: waste plastic and plasticizer are added in horizontal color mixing machine, uniformly stirred again together with the semi-finished product
It mixes, then produces the waste plastic regeneration direct putting type asphalt mixed material modifier with double screw extruder.
6. preparation method according to claim 5, which is characterized in that in the step S1, whipping temp is room temperature, is stirred
Mixing the time is 5-10 minutes.
7. preparation method according to claim 5, which is characterized in that in the step S2, whipping temp is room temperature, is stirred
Mixing the time is 10-20 minutes, and the production temperature of the double screw extruder is 140 DEG C -165 DEG C.
8. a kind of preparation method for preparing waste plastic regeneration direct putting type asphalt mixed material modifier as described in claim 1,
Characterized by comprising the following steps:
By polytetrafluoroethylene (PTFE), waste plastic, paraffin, polyester fiber, stabilizer, antioxidant, magnesium hydroxide, carbon black, anti-strip
Agent, plasticizer are placed in together in horizontal color mixing machine, generate semi-finished product after carrying out uniform stirring；
The semi-finished product are placed in double screw extruder and are stirred for, the waste plastic regeneration direct putting type pitch is produced
Mixed material modifier.
9. preparation method according to claim 8, which is characterized in that the temperature stirred in the horizontal color mixing machine is room
Temperature, mixing time are 15-25 minutes.
10. preparation method according to claim 8, which is characterized in that be stirred in the double screw extruder when
Between be 15-20 minute, production temperature be 140 DEG C -165 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811374859.3A CN109486234A (en) | 2018-11-16 | 2018-11-16 | A kind of waste plastic regeneration direct putting type asphalt mixed material modifier and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811374859.3A CN109486234A (en) | 2018-11-16 | 2018-11-16 | A kind of waste plastic regeneration direct putting type asphalt mixed material modifier and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110304865A (en) * | 2019-03-20 | 2019-10-08 | 上海应用技术大学 | Old cement concrete overlays repair materials and application method |
| CN113845333A (en) * | 2021-10-25 | 2021-12-28 | 张翔宇 | Bagged direct-throwing color asphalt and preparation method of mixture thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110304865A (en) * | 2019-03-20 | 2019-10-08 | 上海应用技术大学 | Old cement concrete overlays repair materials and application method |
| CN113845333A (en) * | 2021-10-25 | 2021-12-28 | 张翔宇 | Bagged direct-throwing color asphalt and preparation method of mixture thereof |
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