CN109929121A - Asphalt emulsifier, mineral rubber emulsified asphalt and mineral rubber Emulsified Asphalt Mixture - Google Patents
Asphalt emulsifier, mineral rubber emulsified asphalt and mineral rubber Emulsified Asphalt Mixture Download PDFInfo
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- CN109929121A CN109929121A CN201910270600.2A CN201910270600A CN109929121A CN 109929121 A CN109929121 A CN 109929121A CN 201910270600 A CN201910270600 A CN 201910270600A CN 109929121 A CN109929121 A CN 109929121A
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Abstract
The invention belongs to emulsifier technical fields, and in particular to asphalt emulsifier, mineral rubber emulsified asphalt and mineral rubber Emulsified Asphalt Mixture.Asphalt emulsifier provided by the invention, including alkylamidoalkyl polyamines ether, fatty amine and hydramine, wherein alkylamidoalkyl polyamines ether has long chain end group, good with the lipophilicity of pitch；Under the action of fatty amine and hydramine, after emulsifier is to asphalt emulsification, compatible with thickener and filler mineral rubber emulsified asphalt under the conditions of weak base can be obtained, mineral rubber emulsified asphalt is used cooperatively with fine sand and water, obtains the mineral rubber Emulsified Asphalt Mixture for meeting the sealing construction requirement of mist containing fine sand.
Description
Technical field
The invention belongs to emulsifier technical fields, and in particular to asphalt emulsifier, mineral rubber emulsified asphalt and mineral latex
Change asphalt.
Background technique
The cream used in highway, airfield runway and common asphalt road mist containing fine sand sealing preventive maintenance field
The basic demand for changing asphalt is that have good outstanding fine sand, viscosity controllability, storage stability etc..It is existing
Asphalt emulsifier used in slurry seal and rubble synchronous sealing technology is mainly cationic, and cationic emulsifier is right
When pitch is emulsified, for the effect for giving full play to emulsifier, improve emulsified asphalt storing stability, need to adjust acid to pH=2~
3, strong acid can react with filler, cause emulsified asphalt rotten；Traditional cation emulsified asphalt viscosity is lower simultaneously, Wu Fawen
Surely fine sand is hanged, is not able to satisfy the sealing construction requirement of mist containing fine sand.
Summary of the invention
The purpose of the present invention is to provide a kind of asphalt emulsifiers, carry out cream to pitch using emulsifier of the present invention
Change modified, compatible with thickener and filler mineral rubber emulsified asphalt under the conditions of weak base can be obtained, mineral rubber is emulsified and is dripped
Blueness is used cooperatively with fine sand and water, obtains the mineral rubber Emulsified Asphalt Mixture for meeting the sealing construction requirement of mist containing fine sand.
To achieve the goals above, the invention provides the following technical scheme:
The present invention provides a kind of asphalt emulsifier, including alkylamidoalkyl polyamines ether, fatty amine and hydramine, the alkyl
The general structure of amide groups polyamines ether is as shown in Equation 1:
In formula 1, R is C13~C19 alkyl, and n is that 1~4, m is 1~3.
Preferably, the preparation method of the alkylamidoalkyl polyamines ether includes: by fatty acid, polyethylene polyamine and epoxy second
Alkane carries out condensation reaction, obtains alkylamidoalkyl polyamines ether.
Preferably, the temperature of the condensation reaction is 100~180 DEG C, and the time of condensation reaction is 1~6h.
Preferably, the molar ratio of the fatty acid, polyethylene polyamine and ethylene oxide is 1:(1~1.1): (1~3).
Preferably, the fatty amine includes cetylamine and/or octadecylamine；The hydramine includes ethanol amine and/or diethanol
Amine.
Preferably, in terms of mass parts, the asphalt emulsifier includes 60~90 parts of alkylamidoalkyl polyamines ether, fatty amine 8
~12 parts and 2~5 parts of hydramine.
The present invention provides the preparation methods of the asphalt emulsifier described in above-mentioned technical proposal, comprising the following steps:
Alkylamidoalkyl polyamines ether is successively mixed with fatty amine, hydramine, asphalt emulsifier is obtained.
The present invention also provides a kind of mineral rubber emulsified asphalt, including pitch, asphalt emulsifier, toughened resin, thickener,
Filler and water, the asphalt emulsifier are preparation side described in asphalt emulsifier described in above-mentioned technical proposal or above-mentioned technical proposal
The asphalt emulsifier that method is prepared.
The present invention provides the preparation methods of the mineral rubber emulsified asphalt described in above-mentioned technical proposal, comprising the following steps:
Asphalt emulsifier, toughened resin are mixed with pitch, obtain mixture；
The mixture is mixed with the aqueous dispersions of thickener, obtains thickening material；
Thickening material is diluted, gained dilution material is mixed with filler then, obtains mineral rubber emulsified asphalt.
The present invention provides a kind of mineral rubber Emulsified Asphalt Mixtures, in terms of mass parts, including mineral rubber emulsified asphalt 100
~120 parts, 35~55 parts and 8~15 parts of water of fine sand；The mineral rubber emulsified asphalt is mineral rubber described in above-mentioned technical proposal
The mineral rubber emulsified asphalt that preparation method described in emulsified asphalt or above-mentioned technical proposal is prepared.
Asphalt emulsifier provided by the invention, including alkylamidoalkyl polyamines ether, fatty amine and hydramine, the alkylamide
The general structure of Quito amidogen ether is as shown in Equation 1:
In formula 1, R is C13~C19 alkyl, and n is that 1~4, m is 1~3.Asphalt emulsifier provided by the invention has long-chain
The hydrophobic end of alkyl, the compatibility between pitch are preferable；Amido in fatty amine and hydramine has certain cationic, can
The adhesion strength between emulsifier and building stones is improved, it is advantageous to the emulsifying effectiveness for improving emulsifier.
The present invention also compounds to have obtained a kind of mineral rubber emulsified asphalt using asphalt emulsifier described in above-mentioned technical proposal,
Including pitch, asphalt emulsifier, toughened resin, thickener, filler and water, wherein asphalt emulsifier is described in above-mentioned technical proposal
Asphalt emulsifier.Toughened resin and asphalt emulsifier are used in compounding by the present invention, and advantageously forming emulsifier is shell, and pitch is capsule
The microcapsule structure of core, structure dispersibility in aqueous colloid solution is preferable, thus in the condition for being not required to adjustment aqueous pH values
Under, realize the emulsification to pitch.
The present invention also provides a kind of mineral rubber Emulsified Asphalt Mixtures, in terms of mass parts, including mineral rubber emulsified asphalt
100~120 parts, 35~55 parts and 8~15 parts of water of fine sand, the mineral rubber emulsified asphalt is mineral described in above-mentioned technical proposal
The mineral rubber emulsified asphalt that preparation method described in glue emulsified asphalt or above-mentioned technical proposal is prepared.Mineral rubber of the present invention
Emulsified asphalt has excellent outstanding fine sand ability, and the pitch microcapsule granule after can making emulsification preferably adheres to and be coated on fine sand
On gravel, gained mineral rubber Emulsified Asphalt Mixture meets the sealing of mist containing fine sand construction requirement.
Detailed description of the invention
Fig. 1 is the construction schematic diagram of mineral rubber Emulsified Asphalt Mixture provided by the invention, and in figure, 1 drips for mineral latex
Green mixture, 2 be albertite top course, and 3 be base, and 4 be bed course.
Specific embodiment
The present invention provides a kind of asphalt emulsifier, including alkylamidoalkyl polyamines ether, fatty amine and hydramine, the alkyl
The general structure of amide groups polyamines ether is as shown in Equation 1:
In formula 1, R is C13~C19 alkyl, and n is that 1~4, m is 1~3.
Asphalt emulsifier provided by the invention includes alkylamidoalkyl polyamines ether, the structure of the alkylamidoalkyl polyamines ether
General formula is as shown in above-mentioned formula 1；In formula 1, R is C13~C19 alkyl, the preferably chain alkyl of C15~C17.The present invention is by R's
Chain length control can improve the lipophilicity of emulsifier in C13~C19, improve the intermiscibility of emulsifier and pitch.
In the present invention, the n in formula 1 is 1~4, preferably 2~3, more preferably 2.In the present invention, the n is preferably logical
The selection for preparing material for crossing alkylamidoalkyl polyamines ether is controlled, further, the system of the alkylamidoalkyl polyamines ether
Standby material preferably includes fatty acid, polyethylene polyamine and oxireme.In the present invention, the component of n value and polyethylene polyamine
There are following corresponding relationships for selection:
When polyethylene polyamine is ethylenediamine, n value takes 1；
When polyethylene polyamine is diethylenetriamine, n value is 2；
When polyethylene polyamine is triethylene tetramine, n value is 3；
When polyethylene polyamine is tetraethylenepentamine, n value is 4；
When polyethylene polyamine is the mixture of several components, n value is the non-integer between 1~4.
In the present invention, the m in formula 1 is 1~3, preferably 1~2, more preferably 1~1.5.In the present invention, the m
Value controlled by the dosage for preparing material middle ring ethylene oxide of alkylamidoalkyl polyamines ether.
In the present invention, the preparation method of the alkylamidoalkyl polyamines ether preferably includes: by fatty acid, polyethylene polyamine
Condensation reaction is carried out with ethylene oxide, obtains alkylamidoalkyl polyamines ether.
In the present invention, the alkylamidoalkyl polyamines ether prepare raw material preferably include fatty acid, polyethylene polyamine and
Ethylene oxide；The fatty acid indicates that the R is consistent with the range of choice of R described in above-mentioned technical proposal preferably with RCOO-H, this
Place is not repeated.
In the present invention, the polyethylene polyamine preferably includes ethylenediamine, diethylenetriamine, triethylene tetramine and four ethylene
One of five amine are a variety of, more preferably diethylenetriamine and/or triethylene tetramine, further preferably for diethylenetriamine or
The mixture of diethylenetriamine and triethylene tetramine.In the present invention, when the polyethylene polyamine is the mixture of several components,
The present invention does not have particular/special requirement to the mass ratio of each component in the mixture.
In the present invention, the molar ratio of the fatty acid, polyethylene polyamine and ethylene oxide is preferably 1:(1~1.1): (1
~3), more preferably 1:(1~1.05): (1~2).
The present invention preferably mixes fatty acid, polyethylene polyamine and ethylene oxide, then carries out condensation reaction.The present invention couple
The mixed concrete mode does not have particular/special requirement, using mode well known to those skilled in the art.In the present invention, institute
The temperature for stating condensation reaction is preferably 100~180 DEG C, and more preferably 120~150 DEG C；The time of condensation reaction is preferably 1~6,
More preferably 2~3h, the time of condensation reaction are the time that reaction system is kept under setting-up point；The condensation reaction
It is preferred that carrying out under agitation, the speed of the stirring uses speed well known to those skilled in the art.
After completing condensation reaction, the present invention obtains alkylamidoalkyl polyamines ether.In the present invention, described alkylamide Quito
Amidogen ether is rufous liquid, is in paste after cooling.
Asphalt emulsifier provided by the invention includes fatty amine, and the fatty amine preferably includes cetylamine and/or octadecylamine；
When the fatty amine is the mixture of two kinds of components, the present invention does not have special want to the mass ratio of each component in the mixture
It asks.The present invention does not have particular/special requirement to the specific structure of the fatty amine, preferably well known to those skilled in the art.
Asphalt emulsifier provided by the invention further includes hydramine, and the hydramine preferably includes ethanol amine and/or diethanol amine,
More preferably diethanol amine.
In terms of mass parts, asphalt emulsifier provided by the invention preferably includes 60~90 parts of alkylamidoalkyl polyamines ether, rouge
8~12 parts and 2~5 parts of hydramine of fat amine.In the present invention, the alkylamidoalkyl polyamines ether is preferably 65~85 parts, more preferably
It is 70~80 parts.On the basis of the mass parts of the alkylamidoalkyl polyamines ether, the fatty amine is preferably 9~11 parts, more excellent
It is selected as 10 parts；The hydramine is preferably 3~4 parts, and more preferably 3 parts.
In the present invention, alkylamidoalkyl polyamines ether is base-material, and fatty amine is assistant for emulsifying agent, and hydramine is auxiliary agent, in fat
Under the action of amine and hydramine, the emulsifying effectiveness of alkylamidoalkyl polyamines ether gets a promotion, while also obtaining to the adhesion strength of building stones
Improve.
The present invention provides the preparation methods of the asphalt emulsifier described in above-mentioned technical proposal, comprising the following steps:
Alkylamidoalkyl polyamines ether is successively mixed with fatty amine, hydramine, asphalt emulsifier is obtained.
The present invention successively mixes the alkylamidoalkyl polyamines ether with fatty amine, hydramine, obtains asphalt emulsifier.At this
In invention, the temperature that the alkylamidoalkyl polyamines ether is mixed with fatty amine is preferably >=90 DEG C, more preferably 90~95 DEG C；It is mixed
The time of conjunction is preferably subject to alkylamidoalkyl polyamines ether and fatty amine sufficiently melts；The alkylamidoalkyl polyamines ether and fat
The mixing temperature of amine blends and hydramine preferably≤80 DEG C DEG C, the mixed time preferably with can make each component be uniformly mixed be advisable.
In the present invention, the mixing preferably carries out under agitation, and the speed and mode of the stirring use those skilled in the art
Speed and mode known to member.
The present invention also provides a kind of mineral rubber emulsified asphalt, including pitch, asphalt emulsifier, toughened resin, thickener,
Filler and water；The asphalt emulsifier is preparation described in asphalt emulsifier described in above-mentioned technical proposal or above-mentioned technical proposal
The asphalt emulsifier that method is prepared.
Mineral rubber emulsified asphalt of the present invention includes pitch.The present invention does not have particular/special requirement to the type of the pitch,
Including paraffin-based asphalt or naphthenic base pitch, the present invention does not have particular/special requirement to the model of the pitch, using art technology
Model known to personnel.
Mineral rubber emulsified asphalt of the present invention includes asphalt emulsifier, the asphalt emulsifier and above-mentioned technical proposal institute
The composition for the asphalt emulsifier that preparation method described in the asphalt emulsifier or above-mentioned technical proposal stated is prepared is consistent, herein
It is not repeated.
Mineral rubber emulsified asphalt of the present invention includes toughened resin, and the toughened resin preferably includes butylbenzene diene cream
One or more of liquid, acrylic emulsion and polyvinyl alcohol resin, more preferably butylbenzene diene emulsion or acrylic emulsion.?
In the present invention, solid content is preferably 60~70% in the butylbenzene diene emulsion, and more preferably 63~67%；The propylene yogurt
The solid content of change is preferably 45~55%, and more preferably 47~52%.
Mineral rubber emulsified asphalt of the present invention includes thickener, and the thickener preferably includes kaolin and/or swelling
Soil；When the thickener is the mixture of two kinds of components, the present invention is not special to the mass ratio of each component in the mixture
It is required that.
Mineral rubber emulsified asphalt of the present invention includes filler, and the filler preferably includes lime stone, granite and quartz
One or more of stone, preferably lime stone.The present invention does not have particular/special requirement to the partial size of the filler, using this field skill
Known to art personnel.
Mineral rubber emulsified asphalt of the present invention further includes water, and the wet concentration is from mineral rubber well known to those skilled in the art
Emulsified asphalt water.In the present invention, the water preferably includes hot water and cold water, and the temperature of the hot water is preferably 85~95
DEG C, the temperature of the cold water is preferably room temperature water.The present invention forms aqueous thickener solution preferably by hot water, using cold water to increasing
Thick slurry material is diluted, specifically in preparation method part explanation.
In the present invention, in terms of mass parts, the mineral rubber emulsified asphalt preferably includes 100 parts of pitch, asphalt emulsifier
1.2~1.6 parts, 1.0~3.0 parts of toughened resin, 15~20 parts of thickener, 100~120 parts of filler and 200~230 parts of water.?
In the present invention, on the basis of the mass parts of the pitch, the emulsifier is preferably 1.3~1.5 parts；The toughened resin is preferred
It is 1.5~2.5 parts；The thickener is preferably 16~19 parts；The filler is preferably 105~115 parts；The water is preferably
205~225 parts.
In the present invention, pitch is base-material, and asphalt emulsifier can be coated on pitch particle under the action of toughened resin
Surface, forming asphalt emulsifier is shell, and pitch particle is the microcapsule structure of capsule-core, and then increases the outstanding fine sand energy of pitch
Power；And thickener and filler can be further improved pitch intensity and outstanding sand ability.
The present invention also provides the preparation methods of mineral rubber emulsified asphalt described in above-mentioned technical proposal, comprising the following steps:
Asphalt emulsifier, toughened resin are mixed with pitch, obtain mixture；
The mixture is mixed with the aqueous dispersions of thickener, obtains thickening material；
Thickening material is diluted, gained dilution material is mixed with filler then, obtains mineral rubber emulsified asphalt.
The present invention mixes asphalt emulsifier, toughened resin with pitch, obtains mixture.In the present invention, when mixing, drip
Blueness is preferably molten state pitch；The temperature of the pitch is preferably 120~130 DEG C, and more preferably 124~128 DEG C.The present invention couple
The addition opportunity of above-mentioned each component and addition manner do not have particular/special requirement, are preferably added to asphalt emulsifier and toughened resin molten
Melt in pitch.In the present invention, the mixing preferably carries out in a shear condition, and the speed of the shearing is preferably 2000~
4000r/min, more preferably 2500~3500r/min；The time of the shearing is preferably 15~30min, more preferably 20~
25min。
After obtaining mixture, the present invention mixes the mixture with the aqueous dispersions of thickener, obtains thickening material.At this
In invention, the aqueous dispersions of the thickener preferably include thickener and water, and the mass ratio of the thickener and water is preferably 1:
10~15, more preferably 1:1~12；The water is preferably hot water, and the temperature of the hot water is preferably 85~95 DEG C, more preferably
87~93 DEG C, be further preferably 90~92 DEG C.In the present invention, the water in the aqueous dispersions of the thickener is preferably pitch mixing
Part water in material.
In the present invention, then the aqueous dispersions of the thickener stir to get preferably by mixing thickener and water；
The speed of the stirring is preferably 1000~1500r/min, more preferably 1100~1400r/min, further preferably for 1200~
1300r/min.The present invention does not have particular/special requirement to the time of the stirring, and thickener can be made evenly dispersed.In the present invention
In, when mixture is mixed with the aqueous dispersions of thickener, the mixture preferably addition mixing in batches, further
Preferably divide 2~4 additions, more preferably divides 3 additions；When addition, the additive amount of different batches mixture is preferably equal.?
In the present invention, mixture preferably mixes under agitation with the aqueous dispersions of thickener；The speed of the stirring is preferably
2500~3200r/min, more preferably 2600~3100r/min are further preferably 2700~3000r/min；The stirring when
Between preferably 10~30min, more preferably 15~20min.
After obtaining thickening material, the present invention is diluted thickening material, then mixes gained dilution material with filler, obtains
To mineral rubber emulsified asphalt.In the present invention, the thinned water is preferably cold water, and the temperature of the cold water is preferably room temperature.
In the present invention, the thinned water is preferably the part water of mineral rubber emulsified asphalt water, in the aqueous dispersions of thickener
The quality of water and quality equal to the water in mineral rubber emulsified asphalt.
In the present invention, the dilution preferably carries out under agitation, and the speed of the stirring is preferably 1500~
2500r/min, more preferably 1700~2400r/min are further preferably 1800~2300r/min；The time of the stirring is preferred
It is further preferably 18~22min for 10~30min, more preferably 15~25min.
After dilution, the present invention mixes the material after dilution with filler, obtains mineral rubber emulsified asphalt.The present invention is to described
Mixed mode does not have particular/special requirement, and preferably filler is added in the material after dilution, is then stirred；It is described to stir
The speed mixed is preferably consistent with the mixing speed in dilution, and the time of the stirring is preferably 15~20min, more preferably
18~20min.
The present invention provides a kind of mineral rubber Emulsified Asphalt Mixtures, in terms of mass parts, including mineral rubber emulsified asphalt 100
~120 parts, 35~55 parts and 8~15 parts of water of fine sand；The mineral rubber emulsified asphalt is mineral rubber described in above-mentioned technical proposal
The mineral rubber emulsified asphalt that preparation method described in emulsified asphalt or above-mentioned technical proposal is prepared.
Mineral rubber Emulsified Asphalt Mixture provided by the invention, in terms of mass parts, including mineral rubber emulsified asphalt 100~
120 parts, preferably 100~115 parts, more preferably 105~110 parts.The mineral rubber emulsified asphalt is above-mentioned technical proposal institute
The mineral rubber emulsified asphalt that preparation method described in the mineral rubber emulsified asphalt or above-mentioned technical proposal stated is prepared, herein no longer
It repeats.
On the basis of the mass parts of the mineral rubber emulsified asphalt, mineral rubber Emulsified Asphalt Mixture packet provided by the invention
35~55 parts of fine sand, preferably 37~52 parts are included, are further preferably 40~50 parts.In the present invention, the partial size of the fine sand is preferably
20~80 mesh, more preferably 30~70 mesh.
On the basis of the mass parts of the mineral rubber emulsified asphalt, mineral rubber Emulsified Asphalt Mixture packet provided by the invention
8~15 parts of water, preferably 9~14 parts are included, are further preferably 10~13 parts.
In the present invention, the mineral rubber emulsified asphalt has excellent outstanding sand ability, fine sand and water with above-mentioned dosage
When being used in mixed way, the excellent combination property of mixture meets the sealing of mist containing fine sand construction requirement.
The present invention does not have particular/special requirement to the preparation method of the mineral rubber emulsified asphalt, preferably emulsifies mineral rubber and drips
Green, fine sand and water mixing, stir evenly.
In order to further illustrate the present invention, with reference to the accompanying drawings and examples to asphalt emulsifier provided by the invention, mine
Object glue emulsified asphalt and mineral rubber Emulsified Asphalt Mixture are described in detail, but cannot be interpreted as them to protect the present invention
Protect the restriction of range.
Embodiment 1
Fatty acid (C15), ethylenediamine and ethylene oxide are mixed according to the molar ratio of 1:1:3, then reacted at 120 DEG C
6h obtains alkylamidoalkyl polyamines ether；
Alkylamidoalkyl polyamines ether is mixed at 90 DEG C with cetylamine, 10min is stirred under 100r/min revolving speed, is then dropped
Temperature is mixed to 80 DEG C with ethanol amine, is stirred 10min under 200r/min revolving speed, is obtained asphalt emulsifier；
Pitch and butylbenzene diene emulsion are mixed, 20min is sheared under 3000r/min revolving speed, gained mixture after shearing
It is mixed with kaolin aqueous dispersions, stirs 20min under 3000r/min revolving speed, obtain thickening material；
Thickening material is mixed with remaining room temperature water, then lime stone is added in above-mentioned mixture again, in 2000r/min
30min is stirred under revolving speed, obtains mineral latex type emulsifier；
Above-mentioned 100 mass parts of mineral latex type emulsifier are taken, are mixed with 35 parts of fine sands and 10 parts of water, mineral rubber emulsification is obtained
Asphalt.
Embodiment 2~4
It prepares according to the method for embodiment 1, the difference is that:
Polyethylene polyamine is diethylenetriamine in embodiment 2, and fatty amine is octadecylamine, thickener is bentonite, toughening tree
Rouge is acrylic emulsion；
Polyethylene polyamine is triethylene tetramine in embodiment 3, hydramine is diethanol amine, thickener is bentonite and kaolin
Mixture that mass ratio is 1:1, toughened resin are polyvinyl alcohol resin；
It is more in embodiment 4 that polyamines is tetraethylenepentamine, thickener is kaolin, toughened resin is butylbenzene diene and third dimly
Olefin(e) acid mass ratio is the mixture of 1:1；
The dosage of each component of Examples 1 to 4 mineral rubber emulsified asphalt and mineral rubber Emulsified Asphalt Mixture matches when difference,
Specifically it is listed in Table 1 below.
1 Examples 1 to 4 asphalt emulsifier of table, mineral rubber emulsified asphalt and mineral rubber Emulsified Asphalt Mixture each component are used
Amount
Performance characterization and result
According to ASTM D2939 standard, the performance of mineral rubber emulsified asphalt obtained by Examples 1 to 4 is characterized, as a result
As shown in table 2.
The performance test results of mineral rubber emulsified asphalt obtained by 2 Examples 1 to 4 of table
By 2 test result of table it is found that asphalt emulsifier provided by the invention can carry out emulsification modification, modified institute to pitch
The performance for obtaining mineral rubber emulsified asphalt meets ASTM D2939 standard.
According to following standard GB/T1768-2006, JG/T24-2018, GB/T1865-2009, GB/T9269, GB/
The performance of T1768-2006,1~4 gained mineral rubber Emulsified Asphalt Mixture of testing example, test result are as shown in table 3.Its
Middle conventional anion type Emulsified Asphalt Mixture group becomes anionic emulsified bitumen: fine sand=100:20)；Traditional cation type cream
Changing asphalt group becomes (cationic emulsified bitumen: fine sand=100:15).The survey of mixture is prepared according to structure shown in Fig. 1
Test agent, test result are shown in Table 3.
The performance test results of mineral rubber Emulsified Asphalt Mixture obtained by 3 Examples 1 to 4 of table
By 3 test result of table it is found that the adhesiveness of mineral rubber Emulsified Asphalt Mixture obtained by Examples 1 to 4, wearability,
Adhesive force etc. is more excellent, and comprehensive performance is obviously improved, and medium viscosity is substantially better than anionic emulsified asphalt and cation
Type emulsified asphalt illustrates that the outstanding sand retention time of mineral rubber Emulsified Asphalt Mixture provided by the invention and uniformity are better.
In addition, mineral rubber Emulsified Asphalt Mixture provided by the invention relative to existing cationic Emulsified Asphalt Mixture and yin from
For subtype Emulsified Asphalt Mixture, storage stability is remarkably reinforced, the further expansion application range of mixture.
As seen from the above embodiment, asphalt emulsifier provided by the invention has excellent emulsifiability, carries out to pitch
It emulsifies modified, improves the compatibility of pitch and thickener, fine aggregate and water body glue, make gained emulsified asphalt without pH
Under conditions of value adjustment, the mineral rubber emulsified asphalt haveing excellent performance can be obtained, wanted to obtain meeting the construction of the sealing of mist containing fine sand
The asphalt asked provides the foundation.
In addition, the present invention also provides the preparation method of asphalt emulsifier, mineral rubber emulsified asphalt, it is simple and easy to control, it is suitble to
Industrialized production.
Although above-described embodiment is made that detailed description to the present invention, it is only a part of the embodiment of the present invention,
Rather than whole embodiments, people can also obtain other embodiments under the premise of without creativeness according to the present embodiment, these
Embodiment belongs to the scope of the present invention.
Claims (10)
1. a kind of asphalt emulsifier, including alkylamidoalkyl polyamines ether, fatty amine and hydramine, the alkylamidoalkyl polyamines ether
General structure is as shown in Equation 1:
In formula 1, R is C13~C19 alkyl, and n is that 1~4, m is 1~3.
2. asphalt emulsifier as described in claim 1, which is characterized in that the preparation method packet of the alkylamidoalkyl polyamines ether
It includes: fatty acid, polyethylene polyamine and ethylene oxide being subjected to condensation reaction, obtain alkylamidoalkyl polyamines ether.
3. asphalt emulsifier as claimed in claim 2, which is characterized in that the temperature of the condensation reaction is 100~180 DEG C,
The time of condensation reaction is 1~6h.
4. asphalt emulsifier as claimed in claim 2, which is characterized in that the fatty acid, polyethylene polyamine and ethylene oxide
Molar ratio be 1:(1~1.1): (1~3).
5. asphalt emulsifier as described in claim 1, which is characterized in that the fatty amine includes cetylamine and/or octadecylamine；
The hydramine includes ethanol amine and/or diethanol amine.
6. asphalt emulsifier as claimed in any one of claims 1 to 5, which is characterized in that in terms of mass parts, the asphalt emulsification
Agent includes 60~90 parts of alkylamidoalkyl polyamines ether, and 8~12 parts and 2~5 parts of hydramine of fatty amine.
7. the preparation method of the described in any item asphalt emulsifiers of claim 1~6, comprising the following steps:
Alkylamidoalkyl polyamines ether is successively mixed with fatty amine, hydramine, asphalt emulsifier is obtained.
8. a kind of mineral rubber emulsified asphalt, including pitch, asphalt emulsifier, toughened resin, thickener, filler and water, the drip
Green emulsifier is what preparation method described in the described in any item asphalt emulsifiers of claim 1~6 or claim 7 was prepared
Asphalt emulsifier.
9. the preparation method of mineral rubber emulsified asphalt according to any one of claims 8, comprising the following steps:
Asphalt emulsifier, toughened resin are mixed with pitch, obtain mixture；
The mixture is mixed with the aqueous dispersions of thickener, obtains thickening material；
Thickening material is diluted, gained dilution material is mixed with filler then, obtains mineral rubber emulsified asphalt.
10. a kind of mineral rubber Emulsified Asphalt Mixture, in terms of mass parts, including 100~120 parts of mineral rubber emulsified asphalt, fine sand
35~55 parts and 8~15 parts of water；The mineral rubber emulsified asphalt is that mineral rubber emulsified asphalt according to any one of claims 8 or right are wanted
The mineral rubber emulsified asphalt for asking 9 preparation methods to be prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910270600.2A CN109929121B (en) | 2019-04-04 | 2019-04-04 | Asphalt emulsifier, mineral latex asphalt and mineral latex asphalt mixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910270600.2A CN109929121B (en) | 2019-04-04 | 2019-04-04 | Asphalt emulsifier, mineral latex asphalt and mineral latex asphalt mixture |
Publications (2)
| Publication Number | Publication Date |
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| CN109929121A true CN109929121A (en) | 2019-06-25 |
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