CN110156378A - Cement-water-based acrylic resin emulsified bitulith and preparation method thereof - Google Patents
Cement-water-based acrylic resin emulsified bitulith and preparation method thereof Download PDFInfo
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- CN110156378A CN110156378A CN201910269906.6A CN201910269906A CN110156378A CN 110156378 A CN110156378 A CN 110156378A CN 201910269906 A CN201910269906 A CN 201910269906A CN 110156378 A CN110156378 A CN 110156378A
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- 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
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- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Road Paving Structures (AREA)
Abstract
A kind of cement-water-based acrylic resin emulsified bitulith and preparation method thereof, the cement-water-based acrylic resin emulsified bitulith includes cement, gather materials, water-based acrylic resin lotion, emulsified asphalt and water；Wherein, cement, gather materials, the weight ratio of water-based acrylic resin lotion, emulsified asphalt and water is 0.1-10: 100: 1.0-16: 1.0-30: 0-8.Cement prepared by the present invention-water-based acrylic resin emulsified bitulith, not only has the characteristics that traditional cold-mixed asphaltic concrete, and there is excellent mechanical property and stability, pavement performance is excellent, road is substantially prolonged with the service life, curing time is shortened, while improving early strength, high-temperature behavior, while also compensating for the deficiency of Water Damages energy.
Description
Technical field
The invention belongs to field of road, are related to a kind of water-based acrylic resin emulsified bitulith, in particular to
A kind of cement-water-based acrylic resin emulsified bitulith and preparation method thereof.
Background technique
Traditional cold-mix asphalt mixture can realize that room temperature mix is constructed to a certain extent, reduce energy consumption, still
Cold-mix asphalt Asphalt Mixture is poor, is unable to satisfy requirement of the modern road surface to asphalt material, can be only applied to low quality
Road surfacing or small-scale repairing.
Water-based acrylic resin huge number is generally divided into the water-based acrylic resin of thermoplasticity one-component and heat cured
Double-component aqueous acrylic resin.Thermoplastic acrylic resin molecular weight is big, has good weatherability, water resistance, chemically-resistant
Moral character and good physical mechanical property, construct the advantages that convenient, and hot same sex acrylic resin relative molecular weight is smaller, viscosity
Height, performance is more excellent, has the characteristics that good film forming gloss, richness, hardness, weatherability, solvent resistance, single double-component aqueous
Acrylic resin curing mechanism is different, and preparation process is different.
Water-based acrylic resin lotion as a kind of asphalt modifier, water-based acrylic resin have intensity is high, elasticity is high,
The features such as viscosity is high, room temperature can form a film, therefore water-based acrylic resin emulsified asphalt obtained has excellent high-temperature behavior, resists
Deformation, anti-pressure ability, elastic recovery capability, but since water-based acrylic resin has the shortcomings that intolerant to Moisture Damage, cause to be made
Water-based acrylic resin Emulsified Asphalt Mixture water damage performance it is bad.
Summary of the invention
The purpose of the present invention is being directed to technical problem in the prior art, a kind of cement-water-based acrylic resin cream is provided
Change bituminous concrete and preparation method thereof, for the existing resistance Water Damages of water-based acrylic resin Emulsified Asphalt Mixture
The bad problem of energy improves the water damage performance of mixture by way of adding cement.
To achieve the above object, one aspect of the present invention provides a kind of cement-water-based acrylic resin emulsified bitulith,
Including cement, gather materials, water-based acrylic resin lotion, emulsified asphalt, water, wherein cement gathers materials, water-based acrylic resin cream
Liquid, emulsified asphalt, water weight ratio be 0.1-10: 100: 1.0-16: 1.0-30: 0-8.
In some embodiments, the cement be selected from portland cement, ordinary portland cement, portland slag cement,
One of Portland pozzolana cement, fine coal grey matter portland cement and composite Portland cement are a variety of, preferably general
Logical portland cement.
In some embodiments, described gather materials selected from basalt, limestone, diabase and tufa stone are one or more of and
Meet existing technical standard of gathering materials；Preferably, described to gather materials including coarse aggregate and fine aggregate；The coarse aggregate is preferably the Black Warrior
Rock, the fine aggregate are preferably limestone.
In some embodiments, the coarse aggregate and fine aggregate weight ratio are 30-65: 35-70；Preferably, described thick
The nominal particle diameter to gather materials is 4.74mm < δ, the nominal particle diameter of the fine aggregate are as follows: δ≤4.75mm.
In some embodiments, the emulsified asphalt is selected from anionic emulsified bitumen or cationic emulsified bitumen.
In some embodiments, the water-based acrylic resin lotion is selected from single-component water-based emulsion acrylic resin, list
Component aqueous acrylic dispersion or double-component aqueous emulsion acrylic resin, the water-based acrylic resin lotion are yin
Ionic, cationic or neutral type.
In some embodiments, the double-component aqueous emulsion acrylic resin includes the water soluble acrylic acid tree containing hydroxyl
Rouge dispersion and curing agent, it is preferable that the curing agent is diluted using diluent.
In some embodiments, the single-component water-based emulsion acrylic resin is anion aqueous emulsion acrylic resin
Or dispersion；Solid content is 40%-70%.
In some embodiments, the curing agent in the double-component aqueous emulsion acrylic resin is selected from water-based isocyanate
Or amino curing agent；It is preferred that the water-based isocyanate that solid content is 100%, the diluent is preferably propylene glycol monomethyl ether acetic acid
Ester PMA；The mass ratio of the curing agent and the diluent is 70: 30-80: 20.
In some embodiments, in the double-component aqueous emulsion acrylic resin, water-based isocyanate curing agent and contain
The molar ratio of the water-based acrylic resin dispersion of hydroxyl are as follows: n (- NCO): n (- OH)=1.3-1.5.
Another aspect of the present invention provides a kind of preparation method of cement-water-based acrylic resin emulsified bitulith, packet
Include following steps:
1) water-based acrylic resin lotion is mixed with emulsified asphalt, is stirred evenly, obtain water-based acrylic resin emulsification
Pitch, it is spare；
2) during cement incorporation is gathered materials, it is uniformly mixing to obtain mixture, it is spare；
3) the water-based acrylic resin emulsified asphalt is added in Xiang Suoshu mixture, stirs evenly, conserves to get water
Mud-water-based acrylic resin emulsified bitulith.
In some embodiments, the method also includes being added water in gathering materials.
In some embodiments, the water-based acrylic resin lotion is double-component aqueous emulsion acrylic resin, step
1) include:
11) curing agent is stirred evenly with diluent under agitation, obtains diluted curing agent solution；Preferably,
Mixing time is 120s-500s；Mixing speed is 500r/min-1500r/min；
12) under agitation, water-based acrylic resin dispersion and diluted curing agent solution are stirred evenly, obtained
Double-component aqueous emulsion acrylic resin；Preferably, mixing time 120s-400s；Mixing speed is 500r/min-5000r/
min；
13) the double-component aqueous emulsion acrylic resin is stirred evenly with emulsified asphalt under agitation, is obtained
Water-based acrylic resin emulsified asphalt；Preferably, mixing time 60s-200s；Mixing speed is 500r/min-1500r/
min。
Compared with prior art, the present invention has the advantage that
1) cement is added in water-based acrylic resin emulsified bitulith by the present invention for the first time, is made using hydrated cementitious
A part of hole on the one hand is filled with the hydrated product of generation, is on the other hand formed with water-based acrylic resin emulsified asphalt closeer
Real reticular structure with gather materials to wrap up in attached property more preferable, improve early strength, high-temperature behavior, while also compensating for Water Damages energy
Deficiency.
2) cement-water-based acrylic resin emulsified bitulith prepared by the present invention is a kind of completely new road surface material
Material not only has the characteristics that traditional cold-mixed asphaltic concrete, but also has excellent mechanical property and stability, and pavement performance is excellent
It is different, road is substantially prolonged with the service life, shortens curing time.
3) cement-water-based acrylic resin emulsified bitulith prepared by the present invention, in the selection of water soluble acrylic acid
Upper comparison is comprehensive, not only has physical reactions, the water-based acrylic resin lotion of the one-component of molecule autohemagglutination, there are also chemistry occurs to hand over
Join reaction double-component aqueous emulsion acrylic resin, more comprehensively have studied water-based acrylic resin emulsified bitulith and
Its preparation process.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, to this hair
It is bright to be described in further detail.
The present invention supports that anti-water damage property is bad asks for the existing of water-based acrylic resin Emulsified Asphalt Mixture
Topic, proposes a kind of cement-water-based acrylic resin emulsified bitulith, including raw material cement, gathers materials, water-based acrylic resin
Lotion, emulsified asphalt and water, the cement, gather materials, the weight ratio of water-based acrylic resin lotion, emulsified asphalt and water is
0.1-10∶100∶1.0-16∶1.0-30∶0-8。
Cement water-based acrylic resin Emulsified Asphalt Mixture effect major embodiment both ways: one side cement
It is added, hydration reaction heat release occurs with water, absorb the lotion in water-based acrylic resin emulsified asphalt, heat, which generates, promotes emulsification
Pitch demulsification, aqueous acrylamide acid molecule and asphaltene molecule aggregation solidify, and shorten intensity and form the time；On the other hand, fibrous
Hydrated product develop into ambient enviroment, the hole that moisture evaporation in mixture leaves is filled with, simultaneously because hydrated cementitious
Object and aqueous acrylamide emulsified asphalt form asphalt membrane, mutually indepedent to be interweaved again, closely knit space network are formed, than it
Preceding water-based acrylic resin emulsified asphalt film can more adhere to building stones well.Cement-water-based acrylic resin emulsified asphalt with
Gather materials the closely knit rock-steady structure to be formed, and mixture is made to have enough early strengths, and enhancing pitch resistance hot mastication causes
The ability and water stabilizing of mixture deformation.
The present invention is modified emulsified asphalt by water-based acrylic resin, it is made not only to have emulsified asphalt construction just
The characteristics of victory, safety, economy, energy saving, energy consumption, while emulsified asphalt being made to have the high viscosity of water-based acrylic resin, height
The features such as intensity, while the addition of cement more optimizes high-temperature behavior, while compensating for that early strength is low and Water Damages energy
Insufficient feature, improves pavement performance, water-based acrylic resin emulsified bitulith and mixture is made to be applied not only to thin pulp
Sealing, pavement patching, can also apply in newly-built road micro-surface area.
The invention will now be further described with reference to specific embodiments, the advantages and features of the present invention will be with description and
It is apparent.But examples are merely exemplary for these, and it is not intended to limit the scope of the present invention in any way.Those skilled in the art
Member it should be understood that without departing from the spirit and scope of the invention can details to technical solution of the present invention and form into
Row modifications or substitutions, but these modifications and replacement are fallen within the protection scope of the present invention.
Cement includes: portland cement, ordinary portland cement, portland slag cement, volcano in the embodiment of the present invention
Grey matter portland cement, fine coal grey matter portland cement, composite Portland cement etc..It is preferred that ordinary portland cement.
Gather materials in the embodiment of the present invention for one of basalt, limestone, diabase, tufa stone or a variety of and meet
Current art standard is gathered materials；It is described gather materials be made of coarse aggregate and fine aggregate, the preferred basalt of coarse aggregate, fine aggregate is preferred
Limestone；The coarse aggregate, fine aggregate weight ratio be 30-65: 35-70, the nominal particle diameter of the coarse aggregate is 4.74mm < δ
≤ 13.2, the nominal particle diameter of the fine aggregate are as follows: δ≤4.75mm.
Water-based acrylic resin is water-based acrylic resin lotion or dispersion in the embodiment of the present invention, and solid content is
40%-70%；Curing agent is water-based isocyanate curing agent, the solid content of curing agent in double-component aqueous emulsion acrylic resin
It is 100%；The diluent of curing agent is propylene glycol methyl ether acetate PMA.
Embodiment 1
1) water-based acrylic resin emulsified asphalt is prepared
It stocks up according to following weight proportion:
Single-component water-based emulsion acrylic resin 392.70g emulsified asphalt 386.26g
Water-based acrylic resin lotion is mixed with emulsified asphalt, 120s is sufficiently stirred under the speed of 500/min, obtains
Green and uniform mixture to get.
Wherein single-component water-based emulsion acrylic resin and emulsified asphalt are anionic.
2) water-based acrylic resin emulsified bitulith is prepared
5100g is gathered materials and is placed in mix pot, water 102g is added, stirs 100s under room temperature, mixture is made；
Weigh step 1) preparation water-based acrylic resin emulsified asphalt 708g be placed in mix pot with mixture mix, often
Warm mix closes 200s, conserves to get water-based acrylic resin emulsified bitulith.
Wherein, it is described gather materials be made of coarse aggregate and fine aggregate, the coarse aggregate be basalt, fine aggregate is limestone；
The coarse aggregate, fine aggregate weight ratio be 30-65: 35-70, the nominal particle diameter of the coarse aggregate be 4.74mm < δ≤
13.2mm, the nominal particle diameter of the fine aggregate are as follows: δ≤4.75mm.
Embodiment 2
1) water-based acrylic resin emulsified asphalt is prepared
It stocks up according to following weight proportion:
Single-component water-based emulsion acrylic resin 374.0g emulsified asphalt 294.30g
Water-based acrylic resin lotion is mixed with emulsified asphalt, 150s is sufficiently stirred under the speed of 500/min, obtains
Brown and uniform mixture to get.
Wherein single-component water-based emulsion acrylic resin and emulsified asphalt are anionic.
2) cement-water-based acrylic resin emulsified bitulith is prepared
5100g is gathered materials and is placed in mix pot, cement 25.5g is added, stirs 50s under room temperature, mixture is made；
The water-based acrylic resin emulsified asphalt 607.54g for weighing step 1) preparation is placed in mix pot to be mixed with mixture
It closes, room temperature mix 150s, conserves to get water-based acrylic resin emulsified bitulith.
Wherein, it is described gather materials be made of coarse aggregate and fine aggregate, the coarse aggregate be basalt, fine aggregate is limestone；
The coarse aggregate, fine aggregate weight ratio be 30-65: 35-70, the nominal particle diameter of the coarse aggregate be 4.74mm < δ≤
13.2mm, the nominal particle diameter of the fine aggregate are as follows: δ≤4.75mm.
Embodiment 3
1) water-based acrylic resin emulsified asphalt is prepared
It stocks up according to following weight proportion:
Double-component aqueous acrylic dispersion 197.2g curing agent 39.44g
Diluent PMA 9.86g emulsified asphalt 320.05g
Curing agent is mixed with diluent, 250s is sufficiently stirred under the speed of 500/min, the solidification after being diluted
Agent, it is spare；
Double-component aqueous allyl resin dispersion is mixed with the curing agent after dilution, under the speed of 500/min sufficiently
140s is stirred, double-component aqueous acroleic acid polyurethane lotion is obtained；
Water-based acrylic resin lotion is mixed with emulsified asphalt, 2000s is sufficiently stirred under the speed of 500/min, obtains
To brown and uniform mixture is to get double-component aqueous acrylic resin emulsified asphalt.
Wherein, double-component aqueous emulsion acrylic resin and emulsified asphalt are anionic；
Wherein, curing agent is water-based isocyanate curing agent, solid content 100%.
2) water-based acrylic resin emulsified bitulith is prepared
5100g is gathered materials and is placed in mix pot, the water-based acrylic resin emulsified asphalt 515.9g of step 1) preparation is weighed
It is placed in mix pot and conserves with mixture mix, room temperature mix 150s to get water-based acrylic resin emulsified bitulith.
Wherein, it is described gather materials be made of coarse aggregate and fine aggregate, the coarse aggregate be basalt, fine aggregate is limestone；
The coarse aggregate, fine aggregate weight ratio be 30-65: 35-70, the nominal particle diameter of the coarse aggregate be 4.74mm < δ≤
13.2mm, the nominal particle diameter of the fine aggregate are as follows: δ≤4.75mm.
Embodiment 4
1) water-based acrylic resin emulsified asphalt is prepared
It stocks up according to following weight proportion:
Double-component aqueous acrylic dispersion 44.31g curing agent 9.43g
Diluent PMA 2.35g emulsified asphalt 374g
Curing agent is mixed with diluent, 250s is sufficiently stirred under the speed of 500/min, the solidification after being diluted
Agent, it is spare；
Double-component aqueous allyl resin dispersion is mixed with the curing agent after dilution, under the speed of 500/min sufficiently
140s is stirred, double-component aqueous acroleic acid polyurethane lotion is obtained；
Water-based acrylic resin lotion is mixed with emulsified asphalt, 2000s is sufficiently stirred under the speed of 500/min, obtains
To brown and uniform mixture is to get double-component aqueous acrylic resin emulsified asphalt.
Wherein, double-component aqueous emulsion acrylic resin and emulsified asphalt are cationic；
Wherein, curing agent is water-based isocyanate curing agent, solid content 100%.
2) water-based acrylic resin emulsified bitulith is prepared
5100g is gathered materials and is placed in mix pot, water 153g is added, stirs 50s under room temperature, mixture is made；
Weigh step 1) preparation water-based acrylic resin emulsified asphalt 391g be placed in mix pot with mixture mix, often
Warm mix closes 150s, conserves to get water-based acrylic resin emulsified bitulith.
Wherein, it is described gather materials be made of coarse aggregate and fine aggregate, the coarse aggregate be basalt, fine aggregate is limestone；
The coarse aggregate, fine aggregate weight ratio be 30-65: 35-70, the nominal particle diameter of the coarse aggregate be 4.74mm < δ≤
13.2mm, the nominal particle diameter of the fine aggregate are as follows: δ≤4.75mm.
Embodiment 5
1) water-based acrylic resin emulsified asphalt is prepared
It stocks up according to following weight proportion:
Single-component water-based 449.96875 emulsified asphalt 151.7459 of emulsion acrylic resin
Water-based acrylic resin lotion is mixed with emulsified asphalt, 150s is sufficiently stirred under the speed of 500/min, obtains
Brown and uniform mixture to get.
Wherein single-component water-based emulsion acrylic resin and emulsified asphalt are anionic.
2) cement-water-based acrylic resin emulsified bitulith is prepared
Cement 25.5g, water 102g
5100g is gathered materials and is placed in mix pot with 25.5g cement, water 102g is added, stirs 50s under room temperature, mixing is made
Material；
The water-based acrylic resin emulsified asphalt 547.01g for weighing step 1) preparation is placed in mix pot to be mixed with mixture
It closes, room temperature mix 150s, conserves to get water-based acrylic resin emulsified bitulith.
Wherein, it is described gather materials be made of coarse aggregate and fine aggregate, the coarse aggregate be basalt, fine aggregate is limestone；
The coarse aggregate, fine aggregate weight ratio be 30-65: 35-70, the nominal particle diameter of the coarse aggregate be 4.74mm < δ≤
13.2mm, the nominal particle diameter of the fine aggregate are as follows: δ≤4.75mm.
Embodiment 6
1) water-based acrylic resin emulsified asphalt is prepared
It stocks up according to following weight proportion:
Double-component aqueous 98.6 curing agent 19.72 of acrylic dispersion
Diluent PMA4.93g emulsified asphalt 426.7279
Curing agent is mixed with diluent, 250s is sufficiently stirred under the speed of 500/min, the solidification after being diluted
Agent, it is spare；
Double-component aqueous allyl resin dispersion is mixed with the curing agent after dilution, under the speed of 500/min sufficiently
140s is stirred, double-component aqueous acroleic acid polyurethane lotion is obtained；
Water-based acrylic resin lotion is mixed with emulsified asphalt, 2000s is sufficiently stirred under the speed of 500/min, obtains
To brown and uniform mixture is to get double-component aqueous acrylic resin emulsified asphalt.
Wherein, double-component aqueous emulsion acrylic resin and emulsified asphalt are anionic；
Wherein, curing agent is water-based isocyanate curing agent, solid content 100%.
2) cement-water-based acrylic resin emulsified bitulith is prepared
Cement 76.5g water 204g
5100g is gathered materials and is placed in mix pot with cement, water 204g is added, stirs 50s under room temperature, mixture is made；
Weigh step 1) preparation water-based acrylic resin emulsified asphalt 510.0g be placed in mix pot with mixture mix,
Room temperature mix 150s conserves to get water-based acrylic resin emulsified bitulith.
Wherein, it is described gather materials be made of coarse aggregate and fine aggregate, the coarse aggregate be basalt, fine aggregate is limestone；
The coarse aggregate, fine aggregate weight ratio be 30-65: 35-70, the nominal particle diameter of the coarse aggregate be 4.74mm < δ≤
13.2mm, the nominal particle diameter of the fine aggregate are as follows: δ≤4.75mm.
Reference examples 1
Other than being added without water-based acrylic resin lotion, remaining is same as Example 2, and it is mixed that cold mixing emulsified asphalt is made
Solidifying soil.
Wherein, it is described gather materials be made of coarse aggregate, fine aggregate and filler, the weight of the coarse aggregate, fine aggregate and filler
Than being 50: 60: 7, the nominal particle diameter of the coarse aggregate are as follows: δ > 4.75mm, the nominal particle diameter of the fine aggregate are as follows: δ≤
4.75mm, the nominal particle diameter of the filler are δ≤0.075mm.
Test example 1
By water-based acrylic resin emulsified bitulith prepared by embodiment 1-6 and cold mixing prepared by reference examples 1 emulsification
Bituminous concrete according to specification " highway engineering pitch and Asphalt Mixture Experiment regulation (JTJ E20-2011) " shaping test piece, support
Shield and progress Marshall performance test.Test result is as shown in table 1.
1 Marshall the performance test results of table
Note 1: the foundation of technical requirements is " highway engineering pitch and Asphalt Mixture Experiment regulation (JTJ E20-2011) "
T0709
As can be seen from Table 1, the cold mixing emulsified bitulith stability that prepared by reference examples 1 is poor, and Marshall stability refers to
Technical requirements are not achieved in mark, and Water Damages can be poor, it is impossible to be used in road spreading；The water soluble acrylic acid tree of embodiment 1-6 preparation
Rouge emulsified bitulith passes through the modifying function of water-based acrylic resin, and Marshall stability is mentioned with reference examples 1 than
Height, embodiment 2 are even up to 5 times or more, and Water Damages can be improved also.
Embodiment 2 is that single-component water-based acrylic resin emulsified asphalt adds cement, as shown in Table 1, cement-of the invention
The indices of water-based acrylic resin emulsified bitulith are higher.Embodiment 5,6 is in double-component aqueous acrylic resin cream
Cement is added on the basis of change asphalt, index is improved when less adding.Mechanical property is not only increased, is mentioned simultaneously
High water stability.
To sum up, cement prepared by the present invention-water-based acrylic resin emulsified bitulith intensity is big, and has excellent
Water stabilizing, by the modifying function of water-based acrylic resin, the technique of cold mixing has reached technical effect, especially one-component water
Mud-water-based acrylic resin emulsified bitulith is a kind of ground surface material that pavement performance is excellent, can be widely applied to pitch
In pavement patching, slurry seal, micro-surface area and newly-built road.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
Describe in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in protection of the invention
Within the scope of.
Claims (10)
1. a kind of cement-water-based acrylic resin emulsified bitulith, which is characterized in that including cement, gather materials, aqueous acrylamide
Acid resin lotion, emulsified asphalt and water, wherein cement gathers materials, the weight of water-based acrylic resin lotion, emulsified asphalt and water
Than being 0.1-10: 100: 1.0-16: 1.0-30: 0-8.
2. cement according to claim 1-water-based acrylic resin emulsified bitulith, wherein the cement is selected from
Portland cement, ordinary portland cement, portland slag cement, Portland pozzolana cement, fine coal grey matter silicate cement
One of mud and composite Portland cement are a variety of, preferably ordinary portland cement.
3. cement according to claim 1-water-based acrylic resin emulsified bitulith, wherein it is described gather materials be selected from
Basalt, limestone, diabase and tufa stone are one or more of；Preferably, described to gather materials including coarse aggregate and fine aggregate；It is described
Coarse aggregate is preferably basalt, and the fine aggregate is preferably limestone；Preferably, the coarse aggregate is with fine aggregate weight ratio
30-65:35-70；Preferably, the nominal particle diameter of the coarse aggregate is 4.74mm < δ, the nominal particle diameter of the fine aggregate are as follows: δ≤
4.75mm。
4. cement according to claim 1-water-based acrylic resin emulsified bitulith, wherein the emulsified asphalt
Selected from anionic emulsified bitumen or cationic emulsified bitumen.
5. cement according to claim 1-water-based acrylic resin emulsified bitulith, wherein the aqueous acrylamide
Acid resin lotion is selected from single-component water-based emulsion acrylic resin, single-component water-based acrylic acid dispersion or double-component aqueous propylene
Acid resin lotion, the water-based acrylic resin lotion are anionic, cationic or neutral type.
6. cement according to claim 5-water-based acrylic resin emulsified bitulith, wherein the one-component water
Property emulsion acrylic resin be anion aqueous emulsion acrylic resin or dispersion；Solid content is 40%-70%.
7. cement according to claim 5-water-based acrylic resin emulsified bitulith, wherein the two-component water
Property emulsion acrylic resin includes water-based acrylic resin dispersion and curing agent containing hydroxyl, it is preferable that the curing agent
It is diluted using diluent.
8. cement according to claim 7-water-based acrylic resin emulsified bitulith, wherein the two-component water
Property emulsion acrylic resin in curing agent be selected from water-based isocyanate or amino curing agent；It is preferred that solid content is 100%
Water-based isocyanate, the diluent are preferably propylene glycol methyl ether acetate PMA；The quality of the curing agent and the diluent
Than being 70: 30-80: 20；Preferably, in the double-component aqueous emulsion acrylic resin, water-based isocyanate curing agent and contain
The molar ratio of the water-based acrylic resin dispersion of hydroxyl are as follows: n (- NCO): n (- OH)=1.3-1.5.
9. a kind of cement-water-based acrylic resin emulsified bitulith preparation method, includes the following steps:
1) water-based acrylic resin lotion is mixed with emulsified asphalt, is stirred evenly, obtain water-based acrylic resin emulsified asphalt,
It is spare；
2) during cement incorporation is gathered materials, it is uniformly mixing to obtain mixture, it is spare；
3) the water-based acrylic resin emulsified asphalt is added in Xiang Suoshu mixture, stirs evenly, conserves to get cement-water
Property acrylic resin emulsified bitulith；
Preferably, the method also includes being added water in gathering materials.
10. preparation method according to claim 9, wherein the water-based acrylic resin lotion is double-component aqueous third
Olefin(e) acid resin emulsion, at this time step 1) include:
11) curing agent is stirred evenly with diluent under agitation, obtains diluted curing agent solution；Preferably, it stirs
Time is 120s-500s；Mixing speed is 500r/min-1500r/min；
12) under agitation, water-based acrylic resin dispersion and diluted curing agent solution are stirred evenly, obtain double groups
Part water-based acrylic resin lotion；Preferably, mixing time 120s-400s；Mixing speed is 500r/min-5000r/min；
13) the double-component aqueous emulsion acrylic resin is stirred evenly with emulsified asphalt under agitation, is obtained aqueous
Acrylic resin emulsified asphalt；Preferably, mixing time 60s-200s；Mixing speed is 500r/min-1500r/min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910269906.6A CN110156378A (en) | 2019-04-03 | 2019-04-03 | Cement-water-based acrylic resin emulsified bitulith and preparation method thereof |
Applications Claiming Priority (1)
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| CN111099855A (en) * | 2019-12-24 | 2020-05-05 | 湖南鑫长胜材料科技有限公司 | Emulsified asphalt mixture and preparation method thereof |
| CN112830711A (en) * | 2021-01-18 | 2021-05-25 | 浙江交工集团股份有限公司 | Cement modified tuff asphalt mixture and application thereof |
| CN113121170A (en) * | 2021-04-06 | 2021-07-16 | 安徽中铁工程材料科技有限公司 | Water-permeable emulsified asphalt concrete and preparation method thereof |
| CN113264716A (en) * | 2021-06-07 | 2021-08-17 | 泉州永盛工程质量检测有限公司 | Road repairing asphalt mixture and construction method thereof |
| CN114988764A (en) * | 2022-06-30 | 2022-09-02 | 江门市强大公路材料有限公司 | Water emulsion type modified asphalt and application thereof |
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| CN113264716A (en) * | 2021-06-07 | 2021-08-17 | 泉州永盛工程质量检测有限公司 | Road repairing asphalt mixture and construction method thereof |
| CN114988764A (en) * | 2022-06-30 | 2022-09-02 | 江门市强大公路材料有限公司 | Water emulsion type modified asphalt and application thereof |
| CN114988764B (en) * | 2022-06-30 | 2023-10-31 | 辽宁步云交通新材料科技有限公司 | Water emulsion type modified asphalt and application thereof |
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