CN108752955A - A kind of preparation method of emulsion-type rubber asphalt - Google Patents
A kind of preparation method of emulsion-type rubber asphalt Download PDFInfo
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- CN108752955A CN108752955A CN201810692877.XA CN201810692877A CN108752955A CN 108752955 A CN108752955 A CN 108752955A CN 201810692877 A CN201810692877 A CN 201810692877A CN 108752955 A CN108752955 A CN 108752955A
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- 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
- C08L95/005—Aqueous compositions, e.g. emulsions
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- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer 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
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- 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
Abstract
The invention discloses a kind of preparation methods of emulsion-type rubber asphalt, belong to building material technical field.The present invention counts in parts by weight, takes 40~60 parts of pitches, 30~40 parts of rubber powder of waste tire that pitch heating and melting is subsequently added into waste rubber powder mixing successively, cooling obtains mixed slurry, and heat preservation is spare；It counts in parts by weight, by 8~10 parts of cationic surfactants, 8~10 portions of nonionic surfactants, 40~60 parts of water, heating stirring mixing, then dropwise addition ammonium chloride solution adjusting pH to 4.8~5.1, is stirred, obtains emulsion；It counts in parts by weight, by 50~60 parts of mixed slurries, 30~40 parts of emulsions, 10~30 parts of tar, 8~10 parts of modified fillers, 3~5 parts of phosphatide are stirred to get emulsion-type rubber asphalt.Emulsion-type rubber asphalt provided by the invention has excellent stability and mechanical property.
Description
Technical field
The invention discloses a kind of preparation methods of emulsion-type rubber asphalt, belong to building material technical field.
Background technology
Rubber asphalt is waste tire protoplasm to be first processed into rubber powder, then carry out in certain thickness grading ratio
Combination, while a variety of high polymer modifying agent are added, and under the hot conditions fully mixed（180 DEG C or more）, dripped with matrix
The cementing material of modified pitch formed after green fully swell reaction.
Rubber asphalt at high temperature have larger elasticity and elastic recovery capability, can improve road surface non-deformability and
The performance of antifatigue cracking；With preferable high temperature performance, sensibility of the pitch to temperature is reduced；Meanwhile rubber asphalt
Have the characteristics that viscosity is high, anti-aging, oxidation resistance is strong；Open gradation or gap grading Rubber-Asphalt Pavement antiskid function it is high,
Rainy day driving splashing is reduced, improves the visual field, reduce noise, greatly improves road surface running vehicle safety and comfort；Rubber asphalt is answered
With environmental protection is not only contributed to, natural resources is saved, also helps the living environment for improving the mankind.
Waste tire is referred to as " black pollution ", and recycling and treatment technology are global problems.Currently, by waste tire
The approach recycled as resource reclaim has：Prototype restructuring, tyre rebuilding, produces reclaimed rubber and is used for building work heat energy utilization
Cheng Jianshe etc..Wherein, the emphasis by waste rubber powder for having become research and application among the construction of bituminous paving, this is also
The preferable selection of a large amount of processing waste tires.Some countries have carried out this systematic research work, and have been successfully applied to reality
Border engineering.We start late to this research, but there are also the case histories of application.Waste Crumb rubber is applied to bituminous paving
Technology is broadly divided into wet method and dry method two major classes.Wet method refers to that waste rubber powder is mixed and stirred with pitch in advance, and a kind of referred to as rubber is made
The modified pitch cementitious matter of glue pitch, is then mixed and stirred with building stones again；Dry method refers to using waste rubber powder as a part of fine aggregate
First with building stones dry mixing, pitch mixing is then sprayed into waste Crumb rubber（Or particle）Modified asphalt mixture.Although dry process exists
It has a clear superiority in rubber particle size, rubber consumption and mixing equipment, but most researchs concentrate on wet processing,
It is main reason is that the Experiment Road performance using dry process making is unstable, and wet processing then obtains more satisfaction
Performance.There is also the bad problems of mechanical property and stability for emulsion rubber pitch traditional at present, therefore also need to carry out it
Research.
Invention content
The present invention solves the technical problem of：It is bad for conventional emulsion rubber asphalt mechanical property and stability
Problem provides a kind of preparation method of emulsion-type rubber asphalt.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
（1）It counts in parts by weight, takes 40~60 parts of pitches successively, 30~40 parts of rubber powder of waste tire, by pitch heating and melting,
It is subsequently added into waste rubber powder mixing, cooling obtains mixed slurry, and heat preservation is spare；
（2）It counts in parts by weight, by 8~10 parts of cationic surfactants, 8~10 portions of nonionic surfactants, 40~60
Part water, heating stirring mixing are then added dropwise ammonium chloride solution and adjust pH to 4.8~5.1, be stirred, obtain emulsion；
（3）It counts in parts by weight, by 50~60 parts of mixed slurries, 30~40 parts of emulsions, 10~30 parts of tar, 8~10 parts change
Property filler, 3~5 parts of phosphatide constant temperature are stirred to get emulsion-type rubber asphalt.
Step（1）The rubber powder of waste tire grain size is 40~50 mesh.
Step（2）The cationic surfactant is cetyl trimethyl quaternary ammonium bromides or octadecyldimethyl
Any one in benzyl quaternary ammonium chloride.
Step（2）The nonionic surfactant is fatty alcohol polyoxyethylene ether, ethoxylated dodecyl alcohol, alkyl phenol
Any one in polyoxyethylene ether or hydroxyethyl cellulose.
Step（3）The tar is any one in coalite tar or medium temperature coal tar.
Step（3）The preparation process of the modified filler is：By diatomite ball milling, the sieve of 80 mesh is crossed, diatom powder is obtained, by silicon
Algae powder and hydrochloric acid in mass ratio 1：10~1：20 are stirred, and filter, and wash, dry, diatom powder are pre-processed, by glass fibre ball
Mill crosses the sieve of 100 mesh, obtains glass fiber powder, by pretreatment diatom powder and dopamine solution in mass ratio 1：10~1：20 impregnate,
The glass fibers of 0.1~0.2 times of the sodium bicarbonate and pretreatment diatom powder quality of 0.1~0.2 times of pretreatment diatom powder quality are added
Powder is tieed up, oxygen is subsequently passed, is stirred, dry, pulverize, crosses the sieve of 60 mesh to get modified filler.
Step（3）The phosphatide is peanut phosphatide, any one in soybean lecithin or milk phosphatide.
The beneficial effects of the invention are as follows：
The present invention is by adding modified filler, and in preparation process, first, diatom powder is impregnated through persalt so that in diatom powder
Space widened, then, pretreatment diatom powder by dopamine solution impregnate so that pre-process diatom powder inside absorption
Performance gets a promotion, and is conducive to absorption of the later stage to sodium bicarbonate and glass fiber powder, then by being passed through oxygen so that DOPA
Amine aoxidizes autohemagglutination and forms three-dimensional network, and sodium bicarbonate and glass fibre part are fixed in system, and in use, modification is filled out
Sodium bicarbonate in material is heated, generates sodium carbonate and carbon dioxide, on the one hand, the gas of generation makes modified filler expand, swollen
Swollen stress generates glass fibre outside extruding force so that the glass fibre in system protrudes so that modified filler surface is thick
Rugosity gets a promotion, and mechanical snap occurs between modified filler, so that the mechanical property of system gets a promotion, on the other hand,
Due to the presence of gas in modified filler, modified filler grain density reduces so that the modified filler in emulsion system is not easy down
It is heavy, to ensure that emulsion intercalation method.
Specific implementation mode
Diatomite is placed in ball milling in ball mill, the sieve of 80 mesh is crossed, obtains diatom powder, by diatom powder and mass fraction be 20~
30% hydrochloric acid in mass ratio 1：10~1：20 are placed in beaker, under the conditions of rotating speed is 300~500r/min, are stirred 30
~50min obtains mixed serum, then filters mixed serum, obtains filter residue, is then 20~30% by filter residue mass fraction
Ammonia scrubbing to cleaning solution is neutrality, then the filter residue after washing is placed in baking oven, under the conditions of temperature is 105~110 DEG C, is done
It is dry to pre-process diatom powder to constant weight, glass fibre is placed in ball milling in ball mill, the sieve of 100 mesh is crossed, obtains glass fiber powder, it will
Pre-process dopamine solution in mass ratio 1 of the diatom powder with mass concentration for 2.6mg/mL：10~1：20 are placed in three-necked flask
1~2h is impregnated, then to the sodium bicarbonate and pretreatment silicon that 0.1~0.2 times of pretreatment diatom powder quality is added in three-necked flask
The glass fiber powder of 0.1~0.2 times of algae silty amount, and oxygen is passed through into single-necked flask with the rate of 60~80mL/min, in
Under the conditions of rotating speed is 600~800r/min, it is stirred 40~60min, obtains mixed slurry, mixed slurry is then placed in freezing
It is dry in drying box, dried feed is obtained, then dried feed is placed in pulverizer and is crushed, crosses the sieve of 60 mesh to get modified filler；It presses
Parts by weight meter takes 40~60 parts of pitches, 30~40 parts of rubber powder of waste tire that pitch is placed in high-speed shearing machine successively,
Under the conditions of temperature is 180~185 DEG C, asphalt melting is melted, waste rubber powder then is added to high-speed shearing machine, in rotating speed
Under the conditions of 1000~1200r/min, after high speed shear mixes 40~60min, 120~130 DEG C is cooled to, mixed slurry is obtained,
Then, under the conditions of temperature is 120~130 DEG C, heat preservation is spare；It counts in parts by weight, by 8~10 parts of cation surface activatings
Agent, 8~10 portions of nonionic surfactants, 40~60 parts of water are placed in batch mixer, in temperature be 50~55 DEG C, rotating speed 600
Under the conditions of~800r.min, heating stirring mixes 40~60min, and the chlorine that mass fraction is 1~3% is then added dropwise into batch mixer
Change ammonium salt solution and adjust pH to 4.8~5.1, under the conditions of rotating speed is 600~800r/min, is stirred 40~60min, must emulsify
Liquid；It counts in parts by weight, by 50~60 parts of mixed slurries, 30~40 parts of emulsions, 10~30 parts of tar, 8~10 parts of modifications fill out
Material, 3~5 parts of phosphatide are placed in boxshear apparatus, are 60 DEG C in temperature, under the conditions of rotating speed is 400~600r/min, it is stirred 30~
50min is to get emulsion-type rubber asphalt.The rubber powder of waste tire grain size is 40~50 mesh.The cation surface activating
Agent is any one in cetyl trimethyl quaternary ammonium bromides or octadecyl dimethyl benzyl aliquat.It is described non-
Ionic surface active agent is fatty alcohol polyoxyethylene ether, and ethoxylated dodecyl alcohol, alkyl phenol polyoxyethylene ether or ethoxy are fine
Tie up any one in element.The tar is any one in coalite tar or medium temperature coal tar.The phosphatide is peanut
Any one in phosphatide, soybean lecithin or milk phosphatide.
Example 1
Diatomite is placed in ball milling in ball mill, the sieve of 80 mesh is crossed, obtains diatom powder, the salt for being 30% by diatom powder and mass fraction
Acid in mass ratio 1：20 are placed in beaker, under the conditions of rotating speed is 500r/min, is stirred 50min, obtains mixed serum, then
Mixed serum is filtered, filter residue is obtained, is then neutral by ammonia scrubbing to the cleaning solution that filter residue is 30% with mass fraction, then will
Filter residue after washing is placed in baking oven, dry to constant weight under the conditions of temperature is 110 DEG C, diatom powder is pre-processed, by glass fibre
It is placed in ball milling in ball mill, the sieve of 100 mesh is crossed, obtains glass fiber powder, is 2.6mg/mL by pretreatment diatom powder and mass concentration
Dopamine solution in mass ratio 1：20 are placed in three-necked flask and impregnate 2h, then to pretreatment diatom powder is added in three-necked flask
The glass fiber powder of 0.2 times of the sodium bicarbonate that 0.2 times of quality and pretreatment diatom powder quality, and with the rate of 80mL/min to list
It is passed through oxygen in mouth flask, under the conditions of rotating speed is 800r/min, 60min is stirred, obtains mixed slurry, then by mixing slurry
Material is placed in freeze drying box dry, obtains dried feed, then dried feed is placed in pulverizer and is crushed, cross the sieve of 60 mesh to get
Modified filler；It counts in parts by weight, takes 60 parts of pitches, 40 parts of rubber powder of waste tire that pitch is placed in high-speed shearing machine successively
In, under the conditions of temperature is 185 DEG C, asphalt melting is melted, waste rubber powder then is added to high-speed shearing machine, is in rotating speed
Under the conditions of 1200r/min, high speed shear mix 60min after, be cooled to 130 DEG C, obtain mixed slurry, then, in temperature be 130 DEG C
Under the conditions of, heat preservation is spare；It counts in parts by weight, by 10 parts of cationic surfactants, 10 portions of nonionic surfactants, 60 parts
Water is placed in batch mixer, is 55 DEG C in temperature, under the conditions of rotating speed is 800r.min, heating stirring mixes 60min, then to batch mixing
The ammonium chloride solution that mass fraction is 3% is added dropwise in machine and adjusts pH to 5.1, under the conditions of rotating speed is 800r/min, is stirred
60min obtains emulsion；It counts in parts by weight, by 60 parts of mixed slurries, 40 parts of emulsions, 30 parts of tar, 10 parts of modified fillers, 5
Part phosphatide is placed in boxshear apparatus, is 60 DEG C in temperature, under the conditions of rotating speed is 600r/min, is stirred 50min to get emulsion-type
Rubber asphalt.The rubber powder of waste tire grain size is 50 mesh.The cationic surfactant is cetyl trimethyl season
Ammonium bromide.The nonionic surfactant is fatty alcohol polyoxyethylene ether.The tar is coalite tar.The phosphatide
For peanut phosphatide.
Example 2
Diatomite is placed in ball milling in ball mill, the sieve of 80 mesh is crossed, obtains diatom powder, the salt for being 30% by diatom powder and mass fraction
Acid in mass ratio 1：20 are placed in beaker, under the conditions of rotating speed is 500r/min, is stirred 50min, obtains mixed serum, then
Mixed serum is filtered, filter residue is obtained, is then neutral by ammonia scrubbing to the cleaning solution that filter residue is 30% with mass fraction, then will
Filter residue after washing is placed in baking oven, dry to constant weight under the conditions of temperature is 110 DEG C, diatom powder is pre-processed, by glass fibre
It is placed in ball milling in ball mill, the sieve of 100 mesh is crossed, obtains glass fiber powder, is 2.6mg/mL by pretreatment diatom powder and mass concentration
Dopamine solution in mass ratio 1：20 are placed in three-necked flask and impregnate 2h, then to pretreatment diatom powder is added in three-necked flask
The glass fiber powder of 0.2 times of the sodium bicarbonate that 0.2 times of quality and pretreatment diatom powder quality, and with the rate of 80mL/min to list
It is passed through oxygen in mouth flask, under the conditions of rotating speed is 800r/min, 60min is stirred, obtains mixed slurry, then by mixing slurry
Material is placed in freeze drying box dry, obtains dried feed, then dried feed is placed in pulverizer and is crushed, cross the sieve of 60 mesh to get
Modified filler；It counts in parts by weight, takes 60 parts of pitches, 40 parts of rubber powder of waste tire that pitch is placed in high-speed shearing machine successively
In, under the conditions of temperature is 185 DEG C, asphalt melting is melted, waste rubber powder then is added to high-speed shearing machine, is in rotating speed
Under the conditions of 1200r/min, high speed shear mix 60min after, be cooled to 130 DEG C, obtain mixed slurry, then, in temperature be 130 DEG C
Under the conditions of, heat preservation is spare；It counts in parts by weight, by 10 parts of cationic surfactants, 10 portions of nonionic surfactants, 60 parts
Water is placed in batch mixer, is 55 DEG C in temperature, under the conditions of rotating speed is 800r.min, heating stirring mixes 60min, then to batch mixing
The ammonium chloride solution that mass fraction is 3% is added dropwise in machine and adjusts pH to 5.1, under the conditions of rotating speed is 800r/min, is stirred
60min obtains emulsion；It counts in parts by weight, by 60 parts of mixed slurries, 40 parts of emulsions, 10 parts of modified fillers, 5 parts of phosphatide set
In boxshear apparatus, it is 60 DEG C in temperature, under the conditions of rotating speed is 600r/min, is stirred 50min and is dripped to get emulsion-type rubber
It is green.The rubber powder of waste tire grain size is 50 mesh.The cationic surfactant is cetyl trimethyl quaternary ammonium bromination
Object.The nonionic surfactant is fatty alcohol polyoxyethylene ether.The phosphatide is peanut phosphatide.
Example 3
It counts in parts by weight, takes 60 parts of pitches, 40 parts of rubber powder of waste tire that pitch is placed in high-speed shearing machine successively, in
Under the conditions of temperature is 185 DEG C, asphalt melting is melted, waste rubber powder then is added to high-speed shearing machine, is in rotating speed
Under the conditions of 1200r/min, high speed shear mix 60min after, be cooled to 130 DEG C, obtain mixed slurry, then, in temperature be 130 DEG C
Under the conditions of, heat preservation is spare；It counts in parts by weight, by 10 parts of cationic surfactants, 10 portions of nonionic surfactants, 60 parts
Water is placed in batch mixer, is 55 DEG C in temperature, under the conditions of rotating speed is 800r.min, heating stirring mixes 60min, then to batch mixing
The ammonium chloride solution that mass fraction is 3% is added dropwise in machine and adjusts pH to 5.1, under the conditions of rotating speed is 800r/min, is stirred
60min obtains emulsion；It counts in parts by weight, by 60 parts of mixed slurries, 40 parts of emulsions, 30 parts of tar, 5 parts of phosphatide are placed in and cut
It cuts in instrument, is 60 DEG C in temperature, under the conditions of rotating speed is 600r/min, is stirred 50min to get emulsion-type rubber asphalt.Institute
It is 50 mesh to state rubber powder of waste tire grain size.The cationic surfactant is cetyl trimethyl quaternary ammonium bromides.Institute
It is fatty alcohol polyoxyethylene ether to state nonionic surfactant.The tar is coalite tar.The phosphatide is peanut phosphatide.
Example 4
Diatomite is placed in ball milling in ball mill, the sieve of 80 mesh is crossed, obtains diatom powder, the salt for being 30% by diatom powder and mass fraction
Acid in mass ratio 1：20 are placed in beaker, under the conditions of rotating speed is 500r/min, is stirred 50min, obtains mixed serum, then
Mixed serum is filtered, filter residue is obtained, is then neutral by ammonia scrubbing to the cleaning solution that filter residue is 30% with mass fraction, then will
Filter residue after washing is placed in baking oven, dry to constant weight under the conditions of temperature is 110 DEG C, diatom powder is pre-processed, by glass fibre
It is placed in ball milling in ball mill, the sieve of 100 mesh is crossed, obtains glass fiber powder, is 2.6mg/mL by pretreatment diatom powder and mass concentration
Dopamine solution in mass ratio 1：20 are placed in three-necked flask and impregnate 2h, then to pretreatment diatom powder is added in three-necked flask
The glass fiber powder of 0.2 times of the sodium bicarbonate that 0.2 times of quality and pretreatment diatom powder quality, and with the rate of 80mL/min to list
It is passed through oxygen in mouth flask, under the conditions of rotating speed is 800r/min, 60min is stirred, obtains mixed slurry, then by mixing slurry
Material is placed in freeze drying box dry, obtains dried feed, then dried feed is placed in pulverizer and is crushed, cross the sieve of 60 mesh to get
Modified filler；It counts in parts by weight, takes 60 parts of pitches, 40 parts of rubber powder of waste tire that pitch is placed in high-speed shearing machine successively
In, under the conditions of temperature is 185 DEG C, asphalt melting is melted, waste rubber powder then is added to high-speed shearing machine, is in rotating speed
Under the conditions of 1200r/min, high speed shear mix 60min after, be cooled to 130 DEG C, obtain mixed slurry, then, in temperature be 130 DEG C
Under the conditions of, heat preservation is spare；It counts in parts by weight, by 10 parts of cationic surfactants, 10 portions of nonionic surfactants, 60 parts
Water is placed in batch mixer, is 55 DEG C in temperature, under the conditions of rotating speed is 800r.min, heating stirring mixes 60min, then to batch mixing
The ammonium chloride solution that mass fraction is 3% is added dropwise in machine and adjusts pH to 5.1, under the conditions of rotating speed is 800r/min, is stirred
60min obtains emulsion；It counts in parts by weight, by 60 parts of mixed slurries, 40 parts of emulsions, 30 parts of tar, 10 parts of modified fillers set
In boxshear apparatus, it is 60 DEG C in temperature, under the conditions of rotating speed is 600r/min, is stirred 50min and is dripped to get emulsion-type rubber
It is green.The rubber powder of waste tire grain size is 50 mesh.The cationic surfactant is cetyl trimethyl quaternary ammonium bromination
Object.The nonionic surfactant is fatty alcohol polyoxyethylene ether.The tar is coalite tar.
Comparative example：The rubber asphalt of Jinan Chemical Co., Ltd. production.
1 to 4 gained rubber asphalt of example and comparative example product are subjected to performance detection, specific detection method is as follows：
Its tensile property is detected according to JC/T2317, storage stability, specific testing result such as table 1 are detected according to SH/T0099.5
It is shown：
Table 1：Performance detection table
| Detection content | Example 1 | Example 2 | Example 3 | Example 4 | Comparative example |
| Tensile strength/MPa | 1.13 | 0.96 | 0.93 | 0.88 | 0.76 |
| Elongation at break/% | 1100 | 900 | 930 | 910 | 780 |
| 5d storage stabilities/% | 5.4 | 11.3 | 10.8 | 11.1 | 16.9 |
By 1 testing result of table it is found that present invention gained emulsion-type rubber asphalt has excellent stability and mechanical property.
Claims (7)
1. a kind of preparation method of emulsion-type rubber asphalt, it is characterised in that specific preparation process is as follows：
（1）It counts in parts by weight, takes 40~60 parts of pitches successively, 30~40 parts of rubber powder of waste tire, by pitch heating and melting,
It is subsequently added into waste rubber powder mixing, cooling obtains mixed slurry, and heat preservation is spare；
（2）It counts in parts by weight, by 8~10 parts of cationic surfactants, 8~10 portions of nonionic surfactants, 40~60
Part water, heating stirring mixing are then added dropwise ammonium chloride solution and adjust pH to 4.8~5.1, be stirred, obtain emulsion；
（3）It counts in parts by weight, by 50~60 parts of mixed slurries, 30~40 parts of emulsions, 10~30 parts of tar, 8~10 parts change
Property filler, 3~5 parts of phosphatide constant temperature are stirred to get emulsion-type rubber asphalt.
2. a kind of preparation method of emulsion-type rubber asphalt according to claim 1, it is characterised in that：Step（1）It is described useless
Old tire rubber powder grain size is 40~50 mesh.
3. a kind of preparation method of emulsion-type rubber asphalt according to claim 1, it is characterised in that：Step（2）The sun
Ionic surface active agent is times in cetyl trimethyl quaternary ammonium bromides or octadecyl dimethyl benzyl aliquat
Meaning is a kind of.
4. a kind of preparation method of emulsion-type rubber asphalt according to claim 1, it is characterised in that：Step（2）It is described non-
Ionic surface active agent is fatty alcohol polyoxyethylene ether, and ethoxylated dodecyl alcohol, alkyl phenol polyoxyethylene ether or ethoxy are fine
Tie up any one in element.
5. a kind of preparation method of emulsion-type rubber asphalt according to claim 1, it is characterised in that：Step（3）The coke
Oil is any one in coalite tar or medium temperature coal tar.
6. a kind of preparation method of emulsion-type rubber asphalt according to claim 1, it is characterised in that：Step（3）It is described to change
The preparation process of property filler is：By diatomite ball milling, the sieve of 80 mesh is crossed, diatom powder is obtained, by diatom powder and hydrochloric acid in mass ratio 1：
10~1：20 are stirred, and filter, and wash, dry, pre-process diatom powder, by glass fibre ball milling, cross the sieve of 100 mesh, obtain glass
Glass fiber powder, by pretreatment diatom powder and dopamine solution in mass ratio 1：10~1：20 impregnate, and pretreatment diatom silty is added
The glass fiber powder of 0.1~0.2 times of the sodium bicarbonate and pretreatment diatom powder quality of 0.1~0.2 times of amount, is subsequently passed oxygen,
It is stirred, dry, pulverize, cross the sieve of 60 mesh to get modified filler.
7. a kind of preparation method of emulsion-type rubber asphalt according to claim 1, it is characterised in that：Step（3）The phosphorus
Fat is peanut phosphatide, any one in soybean lecithin or milk phosphatide.
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| CN109943083A (en) * | 2019-02-20 | 2019-06-28 | 庄文琴 | A kind of preparation method of stretch-proof compound rubber asphalt mixture |
| CN110358449A (en) * | 2019-06-12 | 2019-10-22 | 黄琳 | A kind of preparation method of rubber asphalt composite water-proof paint |
| CN111607241A (en) * | 2020-05-22 | 2020-09-01 | 中国路桥工程有限责任公司 | Asphalt modifier and preparation process thereof |
| CN111607241B (en) * | 2020-05-22 | 2022-03-01 | 中国路桥工程有限责任公司 | Asphalt modifier and preparation process thereof |
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Application publication date: 20181106 |