CN106867166B - A kind of asphalt stabilizer and preparation method thereof and a kind of emulsified asphalt - Google Patents

A kind of asphalt stabilizer and preparation method thereof and a kind of emulsified asphalt Download PDF

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Publication number
CN106867166B
CN106867166B CN201710155020.XA CN201710155020A CN106867166B CN 106867166 B CN106867166 B CN 106867166B CN 201710155020 A CN201710155020 A CN 201710155020A CN 106867166 B CN106867166 B CN 106867166B
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parts
asphalt
asphalt stabilizer
stabilizer
present
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CN106867166A (en
Inventor
虞将苗
苏国城
莫广亮
马平川
杨伟儒
郭朱屹
罗晗
卢健元
陈丽娟
王卓炜
李雅坤
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Guangdong Tongda Road Mstar Technology Ltd
South China University of Technology SCUT
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Guangdong Tongda Road Mstar Technology Ltd
South China University of Technology SCUT
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L29/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical; Compositions of hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Compositions of derivatives of such polymers
    • C08L29/02Homopolymers or copolymers of unsaturated alcohols
    • C08L29/04Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C08L83/04Polysiloxanes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L95/00Compositions of bituminous materials, e.g. asphalt, tar, pitch
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Abstract

The present invention provides a kind of asphalt stabilizer and preparation method thereof and a kind of emulsified asphalts.Asphalt stabilizer provided by the invention includes 10~50 parts of polyvinyl alcohol, 10~50 parts of alumina silicate, 10~50 parts of calcium chloride, 2~4 parts of defoaming agents, 20~100 parts of montmorillonites, 10~50 parts of vinylsiloxane rubbers and 20~80 parts of water.Asphalt stabilizer provided by the invention can satisfy requirement of the asphalt material to high stability energy.By the experimental result of embodiment it is found that after the emulsified asphalt being modified by the asphalt stabilizer is stood 5 days, according to the difference of the evaporated residue percentage of two parts lotion above and below ASTM specifying measurement emulsified asphalt, result is 1.6~1.8%, it was demonstrated that is had good stability.

Description

A kind of asphalt stabilizer and preparation method thereof and a kind of emulsified asphalt
Technical field
The present invention relates to pavement asphalt technical field more particularly to a kind of asphalt stabilizer and preparation method thereof and one kind Emulsified asphalt.
Background technique
Bituminous pavement refers to various types of road surfaces that bitumen for road use material making is mixed in mineral material.Asphalt material It improves to pave the way and resists the ability of driving and the damage of natural cause road pavement with pellet, evenness of road surface is made to lack dirt, waterproof, prolonged It is durable.Bituminous pavement is a kind of most widely used high class pavement in road construction.
With the continuous development of various countries' communication, the continuous improvement that the road surface of highway requires, for being laid with road surface The quality requirement of pitch also constantly increases.There are high temperature easily to soften due to ordinary road pitch, it is fragile under low temperature split, medium temperature fatiguability The shortcomings that cracking and poor flexibility, it is therefore desirable to high, medium and low temperature superior performance and the good modified pitch of elasticity.Currently, existing Some modified pitch have been emerged in technology, and there is good rheological characteristic, lasting adhesion, Rut resistance and anti-pushing Deformability.But although some performances of existing modified pitch make moderate progress, its stability is not still able to satisfy high request The needs on road surface.
Asphalt material in the prior art belongs to thermodynamic unstable system mostly, generally requires to be added during the preparation process Stabilizer adjusts the stability of pitch.Industrial common heat stabilizer mainly includes lead salt, metallic soap, organotin, has Machine antimony, organic RE and pure organic compound etc..However, stabilizer in the prior art is not met by pitch material so far Expect the requirement to high stability energy.
Summary of the invention
The purpose of the present invention is to provide a kind of asphalt stabilizer and preparation method thereof and a kind of emulsified asphalt, Neng Gouman Requirement of the sufficient asphalt material to high stability energy.
In order to achieve the above-mentioned object of the invention, the present invention the following technical schemes are provided:
The present invention provides a kind of asphalt stabilizer, the component comprising following mass fraction:
Preferably, including 20~40 parts of polyvinyl alcohol.
Preferably, the calcium chloride including 20~40 parts of alumina silicate and 20~40 parts.
Preferably, including 2.5~3 parts of defoaming agent;
The defoaming agent is organic silicon defoaming agent and/or polyethers defoaming agent.
Preferably, including 50~70 parts of montmorillonite.
Preferably, including 20~40 parts of vinylsiloxane rubber.
The present invention also provides a kind of preparation methods of asphalt stabilizer described in above-mentioned technical proposal comprising the steps of:
Polyvinyl alcohol, alumina silicate, calcium chloride, montmorillonite and vinylsiloxane rubber are mixed, premix, the premix are obtained The granularity of material is 100~200 mesh;
The premix and defoaming agent, water are subjected to hot mixing, obtain asphalt stabilizer.
Preferably, the temperature of the hot mixing is 100~160 DEG C;
The time of the hot mixing is 0.1~3 hour.
Preferably, the hot mixing is to be stirred;
The rate being stirred is 10~20 revs/min.
The present invention also provides prepare described in asphalt stabilizer described in a kind of above-mentioned technical proposal or above-mentioned technical proposal The emulsified asphalt that the asphalt stabilizer that method obtains obtains, the component comprising following mass content:
Modified pitch 50~70%;
Cationic surfactant 1~5%;
Water surplus;
Wherein, it is (85~90): (2~6): (2~8) that the modified pitch, which includes mass ratio: the bitumen base of (1~2), SBS modifier, compatilizer and the asphalt stabilizer.
The present invention provides a kind of asphalt stabilizers and preparation method thereof.Asphalt stabilizer provided by the invention include 10~ 50 parts of polyvinyl alcohol, 10~50 parts of alumina silicate, 10~50 parts of calcium chloride, 2~4 parts of defoaming agents, 20~100 parts of montmorillonites, 10~ 50 parts of vinylsiloxane rubbers and 20~80 parts of water.Asphalt stabilizer provided by the invention can make the polymer phase in modified pitch One layer of stable Phase boundary surface adsorption layer is formed between bitumen base phase, reduces the surface tension of phase interface, is increased between two-phase Affinity, thus promote it is compatible between two-phase, can satisfy asphalt material to high stability can requirement.By embodiment After experimental result is it is found that stand 5 days for the emulsified asphalt being modified by the asphalt stabilizer, emulsifies and drip according to ASTM specifying measurement The difference of the green evaporated residue percentage of two parts lotion up and down, result are 1.6~1.8%, it was demonstrated that are had good stability.
Specific embodiment
The present invention provides a kind of asphalt stabilizer, the component comprising following mass fraction:
Asphalt stabilizer provided by the invention includes 10~50 parts of polyvinyl alcohol, preferably 20~40 parts, more preferably 30 Part.The present invention does not have particular/special requirement to the source of the polyvinyl alcohol, using the poly- second in source well known to those skilled in the art Enol, it is specific such as commercially available polyvinyl alcohol.In the present invention, the number-average molecular weight of the polyvinyl alcohol is preferably 110000~200000, more preferably 140000~180000, most preferably 160000~170000.In the present invention, described The granularity of polyvinyl alcohol is preferably 100~200 mesh, more preferably 120~180 mesh, most preferably 140~160 mesh.
In the present invention, on the basis of the quality of 10~50 parts of polyvinyl alcohol, asphalt stabilizer provided by the invention includes 10~50 parts of alumina silicate, preferably 20~40 parts, more preferably 30 parts.The present invention does not have special want to the source of the alumina silicate It asks, it is specific such as commercially available alumina silicate using the alumina silicate in source well known to those skilled in the art.In the present invention, The granularity of the alumina silicate is preferably 100~200 mesh, more preferably 120~180 mesh, most preferably 140~160 mesh.
In the present invention, on the basis of the quality of 10~50 parts of polyvinyl alcohol, asphalt stabilizer provided by the invention includes 10~50 parts of calcium chloride, preferably 20~40 parts, more preferably 30 parts.The present invention does not have special want to the source of the calcium chloride It asks, it is specific such as commercially available calcium chloride using the calcium chloride in source well known to those skilled in the art.In the present invention, The granularity of the calcium chloride is preferably 100~200 mesh, more preferably 120~180 mesh, most preferably 140~160 mesh.
In the present invention, on the basis of the quality of 10~50 parts of polyvinyl alcohol, asphalt stabilizer provided by the invention includes 2 ~4 parts of defoaming agents specifically can be 2 parts, 2.5 parts, 3 parts, 3.5 parts or 4 parts.In the present invention, the defoaming agent is preferably Organic silicon defoaming agent and/or polyethers defoaming agent.
In the present invention, the organic silicon defoaming agent is preferably dimethyl silicone polymer, fluorosilicone and ethylene glycol silicon The mixture or dimethyl silicone polymer of one or more of oxygen alkane, more preferably dimethyl silicone polymer and fluorosilicone With the mixture or fluorosilicone of ethylene glycol siloxanes and the mixture of ethylene glycol siloxanes.In the present invention, when described organic When silicon class defoaming agent is preferably two or three in dimethyl silicone polymer, fluorosilicone and ethylene glycol siloxanes, each component Additive amount it is preferably equal.
In the present invention, the polyethers defoaming agent is preferably that GP type glycerin polyether, GPE type polyoxyethylene polyoxypropylene are sweet One or more of oily ether and fatty acid polyglycol ether-ether, more preferably GP type glycerin polyether and GPE type polyoxyethylene polyoxypropylene The mixture or GPE type polyoxyethylene polyoxypropylene glycerin ether of glycerin ether and the mixture or GP type glycerol of fatty acid polyglycol ether-ether The mixture of polyethers and fatty acid polyglycol ether-ether.In the present invention, when the polyethers defoaming agent be preferably GP type glycerin polyether, When two or three in GPE type polyoxyethylene polyoxypropylene glycerin ether and fatty acid polyglycol ether-ether, the additive amount of each component is preferred It is equal.
The present invention does not have particular/special requirement to the source of the defoaming agent, using disappearing for source well known to those skilled in the art Infusion, it is specific such as commercially available defoaming agent.
In the present invention, on the basis of the quality of 10~50 parts of polyvinyl alcohol, asphalt stabilizer provided by the invention includes 20~100 parts of montmorillonites, preferably 40~80 parts, more preferably 50~70 parts.The present invention does not have the source of the montmorillonite Particular/special requirement, it is specific such as commercially available montmorillonite using the montmorillonite in source well known to those skilled in the art.In this hair In bright, the granularity of the montmorillonite is preferably 100~200 mesh, more preferably 120~180 mesh, most preferably 140~160 mesh.
In the present invention, on the basis of the quality of 10~50 parts of polyvinyl alcohol, asphalt stabilizer provided by the invention includes 10~50 parts of vinylsiloxane rubbers, preferably 20~40 parts, more preferably 30 parts.In the present invention, the vinylsiloxane rubber Preferably methyl vinyl silicone rubber.The present invention does not have particular/special requirement to the source of the vinylsiloxane rubber, using this field The vinylsiloxane rubber in source known to technical staff, it is specific such as commercially available vinylsiloxane rubber.In the present invention, institute The granularity for stating vinylsiloxane rubber is preferably 100~200 mesh, more preferably 120~180 mesh, most preferably 140~160 mesh.
In the present invention, on the basis of the quality of 10~50 parts of polyvinyl alcohol, asphalt stabilizer provided by the invention includes 20~80 parts of water, preferably 30~70 parts, more preferably 40~60 parts.
The present invention also provides a kind of preparation methods of asphalt stabilizer described in above-mentioned technical proposal comprising the steps of:
Polyvinyl alcohol, alumina silicate, calcium chloride, montmorillonite and vinylsiloxane rubber are mixed, premix, the premix are obtained The granularity of material is 100~200 mesh;
The premix and defoaming agent, water are subjected to hot mixing, obtain asphalt stabilizer.
The present invention mixes polyvinyl alcohol, alumina silicate, calcium chloride, montmorillonite and vinylsiloxane rubber, obtains premix, institute The granularity for stating premix is 100~200 mesh.The present invention preferably can be by the polyvinyl alcohol, alumina silicate, calcium chloride, montmorillonite It crushes with after vinylsiloxane rubber mixing, or is remixed after crushing again.
The present invention does not have the order by merging of the polyvinyl alcohol, alumina silicate, calcium chloride, montmorillonite and vinylsiloxane rubber Particular/special requirement can be mixed in any order.The present invention does not have special requirement to the mixed mode, uses Material mixed method well-known to those skilled in the art, is specifically such as stirred.
In the present invention, the granularity of the premix is preferably 100~200 mesh, more preferably 120~180 mesh, most preferably For 140~160 mesh.The present invention does not have any particular/special requirement to the method for the crushing, ripe using those skilled in the art institute The grinding mode for the solid material known carries out, specifically such as grinding, ball milling, roller mill.In the present invention, the crushing Revolving speed is preferably 60~100 revs/min, more preferably 70~90 revs/min, most preferably 80 revs/min;The time of the crushing is preferred It is 0.1~1 hour, more preferably 0.5 hour.
After obtaining the premix, the premix and defoaming agent, water are subjected to hot mixing, obtain asphalt stabilizer.? In the present invention, the temperature of the hot mixing is preferably 100~160 DEG C, more preferably 110~150 DEG C, most preferably 120~140 ℃;The time of the hot mixing is preferably 0.1~3 hour, more preferably 0.5~2.5 hour, most preferably 1~2 hour.? In the present invention, the hot mixing is preferably stirred;Described be stirred carries out preferably in high-speed shearing machine.In the present invention In, the stirring rate of the hot mixing is preferably 10~20 revs/min, more preferably 12~18 revs/min, most preferably 14~16 Rev/min.In the present invention, the hot mixing enables to material to mix more uniform, and mixing cooling is prevented to be coagulated together.
The present invention also provides prepare described in asphalt stabilizer described in a kind of above-mentioned technical proposal or above-mentioned technical proposal The emulsified asphalt that the asphalt stabilizer that method obtains obtains, the component comprising following mass content:
Modified pitch 50~70%;
Cationic surfactant 1~5%;
Water surplus;
Wherein, it is (85~90): (2~6): (2~8) that the modified pitch, which includes mass ratio: the bitumen base of (1~2), SBS modifier, compatilizer and the asphalt stabilizer.
In the present invention, the emulsified asphalt include 50~70% modified pitch, preferably 55~65%, more preferably 60%.In the present invention, it is (85~90): (2~6): (2~8): the drip of (1~2) that the modified pitch, which preferably comprises mass ratio, Green matrix, SBS modifier, compatilizer and the asphalt stabilizer, more preferably (86~89): (3~5): (3~7): (1~ 2), most preferably 87:4:(4~5): 1.5.
The present invention does not have any particular/special requirement to the type of the bitumen base, and use is well known to those skilled in the art The bitumen base of type, it is specific such as bitumen or asphalt.
The present invention does not have any particular/special requirement to the type of the SBS modifier, ripe using those skilled in the art institute Know the SBS modifier of type, it is specific such as commercially available SBS modifier.
The present invention does not have any particular/special requirement to the type of the compatilizer, using well known to those skilled in the art kind The compatilizer of class, it is specific such as the commercially available compatilizer being usually used in asphalt modification.
In the present invention, the emulsified asphalt includes 1~5% cationic surfactant, specifically can for 1%, 2%, 3%, 4% or 5%.The present invention does not have particular/special requirement to the source of the cationic surfactant, using this field skill Commercially available cationic surfactant known to art personnel.The present invention does not have the type of the cationic surfactant There is any particular/special requirement, specifically can be amine salt cationic surfactant, quaternary cationic surfactant Or heterocyclic type cationic surfactant.
The present invention does not have any particular/special requirement to the preparation method of the emulsified asphalt, using those skilled in the art institute Prepared by the preparation method of common asphalt emulsifier, specific that modified pitch is made according to the above ratio as first, then will Emulsified asphalt is made in modified pitch, cationic surfactant, water etc. in proportion.
Asphalt stabilizer provided by the invention and preparation method thereof and emulsified asphalt are carried out below with reference to embodiment detailed Thin explanation, but they cannot be interpreted as limiting the scope of the present invention.
Embodiment 1
Raw material mass mixture ratio: 25 parts of polyvinyl alcohol, 15 parts of alumina silicate, 15 parts of calcium chloride, defoaming agent: dimethyl silicone polymer 2 parts, 80 parts of montmorillonite, 25 parts of vinylsiloxane rubber, 50 parts of water.
Polyvinyl alcohol, calcium chloride, montmorillonite, the vinylsiloxane rubber that the weight that meets the requirements is added into alumina silicate carry out in advance It is mixed;Mixture is added in grinder, grinding, making its partial size is about 200 mesh;It will be added in premix after grinding described in meeting The water and defoaming agent of parts by weight, then at 155 DEG C, with speed high speed shear 20 minutes of 15 revs/min, mix pre-composition Uniformly up to asphalt stabilizer.
Asphalt stabilizer is emulsified in emulsified asphalt, obtained emulsified asphalt to be placed 5 days according to ASTM specifying measurement The difference of the evaporated residue percentage of two parts lotion, result 1.8% above and below pitch.The composition of the emulsified asphalt: it presses Weight ratio, modified pitch 50%, cation surfactant 1%, remaining is water.And in modified pitch, bitumen base 85%, SBS modifier 5%, compatilizer 8%, this patent stabilizer 2%.
Embodiment 2
Raw material mass mixture ratio: 20 parts of polyvinyl alcohol, 20 parts of alumina silicate, 20 parts of calcium chloride, defoaming agent: GP type glycerin polyether 2 Part, 80 parts of montmorillonite, 20 parts of vinylsiloxane rubber, 50 parts of water.
Polyvinyl alcohol, calcium chloride, montmorillonite, the vinylsiloxane rubber that the weight that meets the requirements is added into alumina silicate carry out in advance It is mixed;Mixture is added in grinder, grinding, making its partial size is about 150 mesh;It will be added in premix after grinding described in meeting The water and defoaming agent of parts by weight, then at 150 DEG C, with speed high speed shear 60 minutes of 15 revs/min, mix pre-composition Uniformly up to asphalt stabilizer.
Asphalt stabilizer is emulsified in emulsified asphalt, obtained emulsified asphalt to be placed 5 days according to ASTM specifying measurement The difference of the evaporated residue percentage of two parts lotion, result 1.6% above and below pitch.The composition of the emulsified asphalt: it presses Weight ratio, modified pitch 70%, cation surfactant 5%, remaining is water.And in modified pitch, bitumen base 85%, SBS modifier 5%, compatilizer 8%, this patent stabilizer 2%.
Embodiment 3
Raw material mass mixture ratio: 50 parts of polyvinyl alcohol, 50 parts of alumina silicate, 10 parts of calcium chloride, defoaming agent: GP type glycerin polyether 4 Part, 20 parts of montmorillonite, 50 parts of vinylsiloxane rubber, 80 parts of water.
Polyvinyl alcohol, calcium chloride, montmorillonite, the vinylsiloxane rubber that the weight that meets the requirements is added into alumina silicate carry out in advance It is mixed;Mixture is added in grinder, grinding, making its partial size is about 150 mesh;It will be added in premix after grinding described in meeting The water and defoaming agent of parts by weight, then at 160 DEG C, with speed high speed shear 120 minutes of 15 revs/min, keep pre-composition mixed It closes uniformly up to asphalt stabilizer.
Asphalt stabilizer is emulsified in emulsified asphalt, obtained emulsified asphalt to be placed 5 days according to ASTM specifying measurement The difference of the evaporated residue percentage of two parts lotion, result 1.7% above and below pitch.The composition of the emulsified asphalt: it presses Weight ratio, modified pitch 60%, cation surfactant 3%, remaining is water.And in modified pitch, bitumen base 85%, SBS modifier 5%, compatilizer 8%, this patent stabilizer 2%.
As seen from the above embodiment, the present invention provides a kind of asphalt stabilizers and preparation method thereof.It is provided by the invention Asphalt stabilizer includes 10~50 parts of polyvinyl alcohol, 10~50 parts of alumina silicate, 10~50 parts of calcium chloride, 2~4 parts of defoaming agents, 20 ~100 parts of montmorillonites, 10~50 parts of vinylsiloxane rubbers and 20~80 parts of water.Asphalt stabilizer provided by the invention can satisfy Requirement of the asphalt material to high stability energy.By the experimental result of embodiment it is found that the cream that will be modified by the asphalt stabilizer Change pitch standing after 5 days, according to the difference of the evaporated residue percentage of two parts lotion above and below ASTM specifying measurement emulsified asphalt Value, result is 1.6~1.8%, well below 2.1~2.5% in state of the art, it was demonstrated that have good stability.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered It is considered as protection scope of the present invention.

Claims (10)

1. a kind of asphalt stabilizer is grouped as by the group of following mass fraction:
2. asphalt stabilizer according to claim 1, which is characterized in that including 20~40 parts of polyvinyl alcohol.
3. asphalt stabilizer according to claim 1, which is characterized in that including 20~40 parts of alumina silicate and 20~40 parts Calcium chloride.
4. asphalt stabilizer according to claim 1, which is characterized in that including 2.5~3 parts of defoaming agent;
The defoaming agent is organic silicon defoaming agent and/or polyethers defoaming agent.
5. asphalt stabilizer according to claim 1, which is characterized in that including 50~70 parts of montmorillonite.
6. asphalt stabilizer according to claim 1, which is characterized in that including 20~40 parts of vinylsiloxane rubber.
7. the preparation method of asphalt stabilizer described in claim 1~6 any one comprising the steps of:
Polyvinyl alcohol, alumina silicate, calcium chloride, montmorillonite and vinylsiloxane rubber are mixed, premix is obtained, the premix Granularity is 100~200 mesh;
The premix and defoaming agent, water are subjected to hot mixing, obtain asphalt stabilizer.
8. the preparation method of asphalt stabilizer according to claim 7, which is characterized in that the temperature of the hot mixing is 100 ~160 DEG C;
The time of the hot mixing is 0.1~3 hour.
9. the preparation method of asphalt stabilizer according to claim 8, which is characterized in that the hot mixing is to be stirred;
The rate being stirred is 10~20 revs/min.
10. preparation side described in the asphalt stabilizer as described in claim 1~6 any one or claim 7~9 any one The emulsified asphalt that the asphalt stabilizer that method obtains obtains, the component comprising following mass content:
Modified pitch 50~70%;
Cationic surfactant 1~5%;
Water surplus;
Wherein, it is (85~90): (2~6): (2~8): bitumen base, the SBS of (1~2) that the modified pitch, which includes mass ratio, Modifying agent, compatilizer and the asphalt stabilizer.
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CN110144023B (en) * 2019-06-17 2021-08-31 河北工业大学 Preparation method of modified polyvinyl alcohol cation slow-breaking asphalt emulsifier
CN112143039B (en) * 2020-09-30 2022-04-22 山东理工大学 Direct-vat M resin-based modified asphalt stabilizer, and preparation method and application thereof

Citations (4)

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Publication number Priority date Publication date Assignee Title
CN1537894A (en) * 2003-10-23 2004-10-20 上海交通大学 Preparation method of polymer modified asphalt material with high temporature storage stability
CN101993561A (en) * 2009-08-25 2011-03-30 王可权 Preparation method of asphalt stabilizer
CN102173663A (en) * 2011-01-10 2011-09-07 武汉理工大学 Waterborne epoxy modified emulsified asphalt concrete for steel bridge surface and preparation method thereof
CN104530729A (en) * 2014-12-23 2015-04-22 天津市科垣新型建材有限公司 Redispersible asphalt powder, and preparation method and application thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1537894A (en) * 2003-10-23 2004-10-20 上海交通大学 Preparation method of polymer modified asphalt material with high temporature storage stability
CN101993561A (en) * 2009-08-25 2011-03-30 王可权 Preparation method of asphalt stabilizer
CN102173663A (en) * 2011-01-10 2011-09-07 武汉理工大学 Waterborne epoxy modified emulsified asphalt concrete for steel bridge surface and preparation method thereof
CN104530729A (en) * 2014-12-23 2015-04-22 天津市科垣新型建材有限公司 Redispersible asphalt powder, and preparation method and application thereof

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Application publication date: 20170620

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Denomination of invention: Asphalt stabilizer and its preparation method and emulsified asphalt

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