CN108659558A - A kind of rubber modified asphalt viscosity reduction eliminating smell agent and its preparation method and application - Google Patents
A kind of rubber modified asphalt viscosity reduction eliminating smell agent and its preparation method and application Download PDFInfo
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- CN108659558A CN108659558A CN201810541523.5A CN201810541523A CN108659558A CN 108659558 A CN108659558 A CN 108659558A CN 201810541523 A CN201810541523 A CN 201810541523A CN 108659558 A CN108659558 A CN 108659558A
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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
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
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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
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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 belongs to petrochemical industries more particularly to a kind of rubber modified asphalt viscosity reduction eliminating smell agent and its preparation method and application.Rubber modified asphalt viscosity reduction eliminating smell agent provided by the invention is made of the raw material including following parts by weight of component：10~14 parts of polyether polyol；15~20 parts of dimethyl silicone polymer；30~50 parts of carbolineum；8~16 parts of aerosil；2~3 parts of triethanolamine；50~67 parts of rubber oil；15~20 parts of white oil；8~10 parts of polyether epoxy.The problem of present invention commonly exists in the production and use process for existing rubber modified asphalt, provide a kind of high performance viscosity reduction eliminating smell agent, the viscosity reduction eliminating smell agent can reduce the viscosity of rubber modified asphalt, to the temperature for reducing rubber modified asphalt production, mixing and stirring and paving, and then substantially reduce rubber modified asphalt production, mix and stir and paving process in the rubber smell and glance coal that generate, while alleviating the aging of pitch in above process.
Description
Technical field
The invention belongs to petrochemical industries more particularly to a kind of rubber modified asphalt viscosity reduction eliminating smell agent and preparation method thereof
And application.
Background technology
Asphalt is the byproduct after crude distillation, crude oil it is non-renewable determine asphalt resource can not
Duration；With the quickening of national basis pace of construction, the demand of pitch is also increasingly increased, asphalt substitute is sought
Importance gradually highlight.With the fast development of China's economy and the raising of living standards of the people, car ownership is in
Increase trend year by year, China's car ownership in 2017 reaches 300,000,000 amounts according to statistics, and Chinese waste tire yield has reached within 2013
2.99 hundred million (about 10,800,000 tons), waste tire is sharply increased with 8%~10% speed, has been formed " black pollution ", more next
More waste tires accumulates " black pollution " to be formed and has become a severe environmental problem.The waste tire of bulk deposition
Adverse condition destroys vegetation and seriously affects human health.
And petroleum asphalt modified obtained rubber asphalt is used for by the rubber powder of waste tire processing, it can not only improve drip
Green high temperature performance, slows down the aging of bituminous paving, improves the driving safety and Road Service Life of vehicle, can also be waste and old
The recycling of rubber and environmental protection contribute.Therefore, the research of rubber asphalt and application are increasingly by material application
With the concern of Highway science and technology worker.Rubber modified asphalt has been researched and developed at present, has been employed successfully in Bituminous Pavement Construction,
And the advantages that showing good high-temperature stability, low temperature flexibility, resistance to ag(e)ing, fatigue resistance.It greatly improves renewable
The proportion of utilization of waste and scrap, not only alleviate that asphalt is non-renewable and road engineering it is fast-developing between contradiction, and
And Pavement Performance can be improved, prolonging service life of pavement mitigates the environmental pressure that damaged tire is brought, creates the same of economic value
When, the requirements of the times of people-oriented, environmental protection, resource circulation utilization have been also conformed to, current construction economizing type society of China is met
Meeting and the policy developed a circular economy also comply with the demand that China's Current Highway builds sustainable development.
Since the production temperature of rubber modified asphalt is higher, the temperature required when rubber-asphalt mixture mixes and stirs and paves
Degree is also higher, causes it producing and will produce a large amount of rubber smell and glance coal in work progress, phenomenon is complained by environmental protection
Frequent occurrence, it is affected by this, the generation and application of rubber modified asphalt are restricted.In addition, the temperature of production and construction is excessively high
Ageing of asphalt can be also caused to a certain extent, influence its performance.
Invention content
In view of this, the purpose of the present invention is to provide a kind of rubber modified asphalt viscosity reduction eliminating smell agent and preparation method thereof and
Using rubber modified asphalt viscosity reduction eliminating smell agent provided by the invention can reduce rubber modified asphalt and produce, mixes and stirs and pave
The rubber smell and glance coal generated in the process, while alleviating the aging of pitch in above process.
The present invention provides a kind of rubber modified asphalt viscosity reduction eliminating smell agents, by the raw material system for including following parts by weight of component
At：
Preferably, the polyether polyol includes polyoxypropyleneglycol and/or polytetrahydrofuran diol；The polyethers is more
The number-average molecular weight of first alcohol is 3000~4000.
Preferably, the number-average molecular weight of the dimethyl silicone polymer is 50000~100000.
Preferably, kinematic viscosity of the rubber oil at 40 DEG C is 100~120mm2/s。
Preferably, kinematic viscosity of the white oil at 40 DEG C is 50~100mm2/s。
Preferably, viscosity≤120Pa.S of the polyether epoxy at 25 DEG C；The epoxy of the polyether epoxy
Value is 0.4~0.6mol/100g.
The present invention provides a kind of preparation methods of rubber modified asphalt viscosity reduction eliminating smell agent described in above-mentioned technical proposal, including
Following steps：
A) polyether polyol, dimethyl silicone polymer, carbolineum and aerosil are mixed into capable development, obtain first
Semi-finished product；It is developed after triethanolamine, rubber oil, white oil and polyether epoxy are mixed, obtains the second semi-finished product；
B) it is developed after mixing first semi-finished product and the second semi-finished product, obtains rubber modified asphalt viscosity reduction taste removal
Agent.
The present invention provides a kind of rubber modified asphalts, are mixed by raw material heating；The raw material includes modified rubber
Viscosity reduction eliminating smell agent described in asphalt stock and above-mentioned technical proposal.
The present invention provides a kind of matrix pitches producing rubber modified asphalt, are mixed by raw material heating；The original
Material includes the viscosity reduction eliminating smell agent described in matrix pitch raw material and above-mentioned technical proposal.
The present invention provides another rubber modified asphalts, are mixed by raw material heating；The raw material includes rubber powder
With the matrix pitch described in above-mentioned technical proposal.
Compared with prior art, the present invention provides a kind of rubber modified asphalt viscosity reduction eliminating smell agent and preparation method thereof and answer
With.Rubber modified asphalt viscosity reduction eliminating smell agent provided by the invention is made of the raw material including following parts by weight of component：Polyether polyols
10~14 parts of alcohol；15~20 parts of dimethyl silicone polymer；30~50 parts of carbolineum；8~16 parts of aerosil；Triethanolamine 2
~3 parts；50~67 parts of rubber oil；15~20 parts of white oil；8~10 parts of polyether epoxy.The present invention is directed to existing modified rubber
The problem of pitch commonly exists in the production and use process provides a kind of high performance viscosity reduction eliminating smell agent, the viscosity reduction taste removal
Agent can reduce the viscosity of rubber modified asphalt, to the temperature for reducing rubber modified asphalt production, mixing and stirring and paving, Jin Erxian
Write and reduce rubber modified asphalt production, mix and stir and paving process in the rubber smell and glance coal that generate, while alleviating pitch and existing
Aging in the above process.The experimental results showed that after being mixed into viscosity reduction eliminating smell agent provided by the invention, the movement of rubber modified asphalt
Viscosity can reduce by 60% or more, asphalt production, the temperature mixed and stirred and paved can reduce by 25~40 DEG C, and pitch is in above process
Rubber smell and aging significantly reduce, and pitch smoke can decline 80% or more.
Specific implementation mode
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
The every other embodiment that art personnel are obtained without making creative work belongs to the model that the present invention protects
It encloses.
The present invention provides a kind of rubber modified asphalt viscosity reduction eliminating smell agents, by the raw material system for including following parts by weight of component
At：
Rubber modified asphalt viscosity reduction eliminating smell agent provided by the invention including the above-mentioned raw material formed by being made, wherein described
Polyether polyol includes but not limited to polyoxypropyleneglycol and/or polytetrahydrofuran diol, preferably polyoxypropyleneglycol
With the mixture of polytetrahydrofuran diol, the mass ratio of polyoxypropyleneglycol described in mixture and polytetrahydrofuran diol is excellent
It is selected as 1：(0.5~2), more preferably 1:1；The number-average molecular weight of the polyether polyol is preferably 3000~4000, specifically may be used
It is 3000,3500 or 4000.In the present invention, content of the polyether polyol in the raw material is 10~14 parts by weight, specifically
Can be 10 parts by weight, 10.5 parts by weight, 11 parts by weight, 11.5 parts by weight, 12 parts by weight, 12.5 parts by weight, 13 parts by weight, 13.5
Parts by weight or 14 parts by weight.
In the present invention, the number-average molecular weight of the dimethyl silicone polymer is preferably 50000~100000, concretely
50000,55000,60000,65000,70000,74000,80000,85000,90000 or 100000.In the present invention, poly- two
Content of the methylsiloxane in the raw material is 15~20 parts by weight, concretely 15 parts by weight, 15.5 parts by weight, 16 weight
Part, 16.5 parts by weight, 17 parts by weight, 17.5 parts by weight, 18 parts by weight, 18.5 parts by weight, 19 parts by weight, 19.5 parts by weight or 20
Parts by weight.
In the present invention, content of the carbolineum in the raw material be 30~50 parts by weight, concretely 30 parts by weight,
31 parts by weight, 32 parts by weight, 33 parts by weight, 34 parts by weight, 35 parts by weight, 36 parts by weight, 37 parts by weight, 38 parts by weight, 39 weights
Measure part, 40 parts by weight, 41 parts by weight, 42 parts by weight, 43 parts by weight, 44 parts by weight, 45 parts by weight, 46 parts by weight, 47 parts by weight,
48 parts by weight, 49 parts by weight or 50 parts by weight.
In the present invention, content of the aerosil in the raw material is 8~16 parts by weight, concretely 8
Parts by weight, 8.5 parts by weight, 9 parts by weight, 9.5 parts by weight, 10 parts by weight, 10.5 parts by weight, 11 parts by weight, 11.5 parts by weight, 12
Parts by weight, 12.5 parts by weight, 13 parts by weight, 13.5 parts by weight, 14 parts by weight, 14.5 parts by weight, 15 parts by weight, 15.5 parts by weight
Or 16 parts by weight.
In the present invention, content of the triethanolamine in the raw material is 2~3 parts by weight, concretely 2 weight
Part, 2.2 parts by weight, 2.4 parts by weight, 2.6 parts by weight, 2.8 parts by weight or 3 parts by weight.
In the present invention, kinematic viscosity of the rubber oil at 40 DEG C is preferably 100~120mm2/ s, concretely
100mm2/s、101mm2/s、102mm2/s、103mm2/s、104mm2/s、105mm2/s、106mm2/s、107mm2/s、108mm2/
s、109mm2/s、110mm2/s、111mm2/s、112mm2/s、113mm2/s、114mm2/s、115mm2/s、116mm2/s、
117mm2/s、118mm2/s、119mm2/ s or 120mm2/s；It is former preferably to account for rubber oil total carbon for aromatic hydrocarbons (CA) carbon in the rubber oil
The 0.5~5% of subnumber, concretely 0.5%, 1%, 1.5%, 2%, 2.5%, 3%, 3.5%, 4%, 4.5% or 5%；Institute
State cycloalkane in rubber oil (CN) carbon and preferably account for the 40~60% of rubber oil total carbon atom number, concretely 40%, 41%,
42%, 43%, 44%, 45%, 49%, 47%, 48%, 49%, 50%, 51%, 52%, 53%, 54%, 55%, 56%,
57%, 58%, 59% or 60%；In the rubber oil paraffin wax hydrocarbon (CP) carbon preferably account for rubber oil total carbon atom number 40~
60%, concretely 40%, 41%, 42%, 43%, 44%, 45%, 49%, 47%, 48%, 49%, 50%, 51%,
52%, 53%, 54%, 55%, 56%, 57%, 58%, 59% or 60%；The specific type of the rubber oil includes but unlimited
In KN4010 naphthenic rubber oil.In the present invention, content of the rubber oil in the raw material is 50~67 parts by weight, specifically may be used
For 50 parts by weight, 50.5 parts by weight, 51 parts by weight, 51.5 parts by weight, 52 parts by weight, 52.5 parts by weight, 53 parts by weight, 53.5 weights
Measure part, 54 parts by weight, 54.5 parts by weight, 55 parts by weight, 55.5 parts by weight, 56 parts by weight, 56.5 parts by weight, 57 parts by weight,
57.5 parts by weight, 58 parts by weight, 58.5 parts by weight, 59 parts by weight, 59.5 parts by weight, 60 parts by weight, 60.5 parts by weight, 61 weight
Part, 61.5 parts by weight, 62 parts by weight, 62.5 parts by weight, 63 parts by weight, 63.5 parts by weight, 64 parts by weight, 64.5 parts by weight, 65
Parts by weight, 65.5 parts by weight, 66 parts by weight, 66.5 parts by weight or 67 parts by weight.
In the present invention, the white oil is preferably made of the cycloalkane of the alkane and saturation that are saturated；The white oil is at 40 DEG C
Under kinematic viscosity be preferably 50~100mm2/ s, concretely 50mm2/s、55mm2/s、60mm2/s、65mm2/s、70mm2/s、
71.7mm2/s、75mm2/s、80mm2/s、85mm2/s、90mm2/s、95mm2/ s or 100mm2/s.In the present invention, white oil is in institute
It is 15~20 parts by weight to state content in raw material, concretely 15 parts by weight, 15.5 parts by weight, 16 parts by weight, 16.5 parts by weight,
17 parts by weight, 17.5 parts by weight, 18 parts by weight, 18.5 parts by weight, 19 parts by weight, 19.5 parts by weight or 20 parts by weight.
In the present invention, viscosity of the polyether epoxy at 25 DEG C preferably≤120Pa.S, concretely
80Pa.S, 85Pa.S, 90Pa.S, 95Pa.S, 100Pa.S, 105Pa.S, 110Pa.S, 115Pa.S or 120Pa.S；The polyethers
The epoxide number of epoxy resin is preferably 0.4~0.6mol/100g, concretely 0.4mol/100g, 0.41mol/100g,
0.42mol/100g、0.43mol/100g、0.44mol/100g、0.45mol/100g、0.46mol/100g、0.47mol/
100g、0.48mol/100g、0.49mol/100g、0.5mol/100g、0.51mol/100g、0.52mol/100g、0.53mol/
100g、0.54mol/100g、0.55mol/100g、0.56mol/100g、0.57mol/100g、0.58mol/100g、
0.59mol/100g or 0.6 mol/100g.In the present invention, content of the polyether epoxy in the raw material is 8~10 weights
Part is measured, concretely 8 parts by weight, 8.2 parts by weight, 8.4 parts by weight, 8.6 parts by weight, 8.8 parts by weight, 9 parts by weight, 9.2 weight
Part, 9.4 parts by weight, 9.6 parts by weight, 9.8 parts by weight or 10 parts by weight.
The present invention provides a kind of preparation methods of rubber modified asphalt viscosity reduction eliminating smell agent described in above-mentioned technical proposal, including
Following steps：
A) polyether polyol, dimethyl silicone polymer, carbolineum and aerosil are mixed into capable development, obtain first
Semi-finished product；It is developed after triethanolamine, rubber oil, white oil and polyether epoxy are mixed, obtains the second semi-finished product；
B) it is developed after mixing first semi-finished product and the second semi-finished product, obtains rubber modified asphalt viscosity reduction taste removal
Agent.
In viscosity reduction eliminating smell agent preparation method provided by the invention, the first semi-finished product and the second semi-finished product are prepared first.Its
In, first semi-finished product are prepared in accordance with the following methods：
Polyether polyol, dimethyl silicone polymer, carbolineum and aerosil are mixed into capable development, obtain the first half
Finished product.
In above-mentioned first semi-finished product preparation method provided by the invention, the temperature of the development is preferably 160~200
℃；The time of the development is preferably 2~6h, concretely 4h.In the present invention, after development, preferably by obtained
One semi-finished product are cooled to 60 DEG C or less.
In the present invention, second semi-finished product are prepared in accordance with the following methods：
It is developed after triethanolamine, rubber oil, white oil and polyether epoxy are mixed, obtains the second semi-finished product.
In above-mentioned second semi-finished product preparation method provided by the invention, the temperature of the development is preferably 120~140
℃；The time of the development is preferably 1~3h, concretely 2h.In the present invention, after development, preferably by obtained
Two semi-finished product are cooled to 60 DEG C or less.
After obtaining the first semi-finished product and the second semi-finished product, developed after the first semi-finished product and the second semi-finished product are mixed.
Wherein, the temperature of the development is preferably 40~80 DEG C, concretely 60 DEG C；The time of the development is preferably 1~3h, specifically
Can be 2h.After development, rubber modified asphalt viscosity reduction eliminating smell agent provided by the invention is obtained.
The problem of present invention commonly exists in the production and use process for existing rubber modified asphalt, provides one kind
High performance viscosity reduction eliminating smell agent, the viscosity reduction eliminating smell agent can reduce the viscosity of rubber modified asphalt, to reduce modified rubber drip
Blueness production, the temperature mixing and stirring and pave, so substantially reduce rubber modified asphalt production, mix and stir and paving process in the rubber that generates
Glue smell and glance coal, while alleviating the aging of pitch in above process.The experimental results showed that being mixed into drop provided by the invention
After viscous eliminating smell agent, the kinematic viscosity of rubber modified asphalt can reduce by 60% or more, and asphalt production, the temperature mixed and stirred and paved can drop
Low 25~40 DEG C, pitch rubber smell in above process and aging significantly reduce, and pitch smoke can decline 80% or more.
The present invention provides a kind of rubber modified asphalts, are mixed by raw material heating；The raw material includes modified rubber
Viscosity reduction eliminating smell agent described in asphalt stock and above-mentioned technical proposal.
Above-mentioned rubber modified asphalt provided by the invention is mixed by raw material heating, and the raw material includes modified rubber drip
Green raw material and the viscosity reduction eliminating smell agent.Wherein, the kinematic viscosity (at 178 DEG C) of the rubber modified asphalt raw material can be 2.5~
3.5Pa.s, concretely 2.5Pa.s, 2.6Pa.s, 2.7Pa.s, 2.8Pa.s, 2.9Pa.s, 3Pa.s, 3.1Pa.s,
3.2Pa.s, 3.3Pa.s, 3.4Pa.s or 3.5Pa.s.In the present invention, the rubber modified asphalt raw material and viscosity reduction eliminating smell agent
Mass ratio be preferably (10~30)：0.08, concretely 20:0.08；The mixed temperature of the heating is preferably 120~170
DEG C, concretely 150 DEG C；The heating mixed time is preferably 0.5~2h, concretely 1h.
The present invention can significantly be dropped by being mixed into a certain amount of viscosity reduction eliminating smell agent provided by the invention in rubber modified asphalt
The viscosity of low rubber modified asphalt to reduce the temperature that rubber modified asphalt mixes and stirs and paves, and then significantly reduces rubber and changes
Property pitch life mix and stir and paving process in rubber smell and glance coal generation.The experimental results showed that being mixed into offer of the present invention
Viscosity reduction eliminating smell agent after, the kinematic viscosity of rubber modified asphalt can reduce by 60% or more, mix and stir with paving material can reduce by 25~
40 DEG C, mix and stir and paving process in glance coal reduce by 80% or more.
The present invention provides a kind of matrix pitches producing rubber modified asphalt, are mixed by raw material heating；The original
Material includes the viscosity reduction eliminating smell agent described in matrix pitch raw material and above-mentioned technical proposal.
Above-mentioned matrix pitch provided by the invention by raw material heating be mixed, the raw material include matrix pitch raw material and
The viscosity reduction eliminating smell agent.Wherein, No. 90 matrix pitches may be selected in the matrix pitch raw material；The mixed temperature of the heating is preferred
It is 100~150 DEG C, concretely 130 DEG C；The heating mixed time is preferably 10~30min, concretely 20min.
The present invention in matrix pitch by being mixed into a certain amount of viscosity reduction eliminating smell agent provided by the invention, after can significantly reducing
The temperature that continuous rubber modified asphalt produces, mixes and stirs and pave, and then substantially reduce rubber modified asphalt production, mix and stir and paved
The rubber smell and glance coal generated in journey, while alleviating the aging of pitch in above process.The experimental results showed that compared to
Traditional matrices pitch, when producing rubber modified asphalt as raw material using matrix pitch provided by the invention, heating temperature can reduce by 25
~30 DEG C, the smell of rubber powder when can effectively reduce production reduces ageing of asphalt.
The present invention also provides another rubber modified asphalts, are mixed by raw material heating；The raw material includes rubber
Matrix pitch described in powder and above-mentioned technical proposal.
The present invention prepares rubber modified asphalt using matrix pitch provided by the invention, can significantly reduce modified rubber drip
Blueness production, mix and stir and paving process in the rubber smell and glance coal that generate, while alleviating the aging of pitch in above process.
The experimental results showed that compared to traditional matrices pitch, matrix pitch provided by the invention is used to produce modified rubber drip for raw material
When green, heating temperature can reduce by 25~30 DEG C, the smell of rubber powder when can effectively reduce production, reduce ageing of asphalt.
For the sake of becoming apparent from, it is described in detail below by following embodiment.
In following embodiments of the application, used polyether polyol is polyoxypropyleneglycol (number-average molecular weight
3500) with the mixture of polytetrahydrofuran diol (number-average molecular weight 3500), the mass ratio of the two is 1:1；Used poly- two
The number-average molecular weight of methylsiloxane is 74000；The concrete type of the rubber oil used is oily for KN4010 naphthenic rubbers,
(40 DEG C) of kinematic viscosity is 109.0mm2/ s, carbon type analysis result are CA 1.0%, CN 50.0%, CP 49.0%；It is used
White oil be made of saturated alkane and saturation cycloalkane, (40 DEG C) of kinematic viscosity is 71.7mm2/s；The viscosity of polyether epoxy
(25 DEG C) are 100mPa.s, and epoxide number is 0.45~0.50mol/100g.
Embodiment 1
Prepare rubber modified asphalt viscosity reduction eliminating smell agent
Step 1：By metering pump by polyether polyol 11kg, dimethyl silicone polymer 16kg, carbolineum 32kg, gas phase dioxy
SiClx 9kg is discharged into reaction kettle respectively, and reaction kettle uses heat-conducting oil heating, is heated to 160 DEG C~180 DEG C, is developed 4 hours
Afterwards, it is cooled down using the condensed device of cooling circulating water method, after cooling temperature is less than 60 DEG C, is vented to synthesis reaction vessel.
Step 2：Triethanolamine 3kg, rubber oil 53kg, white oil 16kg, polyether epoxy 10kg are divided by metering pump
It is not discharged into reaction kettle, reaction kettle uses heat-conducting oil heating, is heated to 120 DEG C~140 DEG C, after developing 2 hours, using cooling
The condensed device cooling of recirculated water method is vented to synthesis reaction vessel after cooling temperature is less than 60 DEG C.
Step 3：Semi-finished product made of step 1 and step 2 are heated to 60 DEG C in synthesis reaction vessel, develops 2 hours, is made
Rubber modified asphalt viscosity reduction eliminating smell agent A.
Embodiment 2
Prepare rubber modified asphalt viscosity reduction eliminating smell agent
Step 1：By metering pump by polyether polyol 14kg, dimethyl silicone polymer 18kg, carbolineum 45kg, gas phase dioxy
SiClx 14kg is discharged into reaction kettle respectively, and reaction kettle uses heat-conducting oil heating, is heated to 160 DEG C -180 DEG C, is developed 4 hours
Afterwards, it is cooled down using the condensed device of cooling circulating water method, after cooling temperature is less than 60 DEG C, is vented to synthesis reaction vessel.
Step 2：Triethanolamine 3kg, rubber oil 58kg, white oil 18kg, polyether epoxy 10kg are divided by metering pump
It is not discharged into reaction kettle, reaction kettle uses heat-conducting oil heating, is heated to 120 DEG C -140 DEG C, after developing 2 hours, using cooling
The condensed device cooling of recirculated water method is vented to synthesis reaction vessel after cooling temperature is less than 60 DEG C.
Step 3：Semi-finished product made of step 1 and step 2 are heated to 60 DEG C in synthesis reaction vessel, develops 2 hours, is made
Rubber modified asphalt viscosity reduction eliminating smell agent B.
Embodiment 3
Prepare rubber modified asphalt
It takes 20kg rubber modified asphalts to heat 150 DEG C, viscosity reduction eliminating smell agent A made of 0.08kg embodiments 1 is added to rubber
In glue modified pitch, stirs 1 hour, be prepared into viscosity reduction environment-friendly rubber modified pitch.
Viscosity reduction environment-friendly rubber modified pitch refers to table 1 with rubber modified asphalt technical indicator：
1 viscosity reduction environment-friendly rubber modified pitch of table and rubber modified asphalt technical indicator contrast table
Embodiment 4
Prepare rubber modified asphalt
Viscosity reduction eliminating smell agent B made of embodiment 2 is first added to No. 90 matrix drips by 0.5wt% (rubber modified asphalt weight)
It in blueness, is stirred 20 minutes in 130 DEG C or more of temperature, this matrix pitch of pitch produced as production rubber modified asphalt,
The heating temperature of matrix pitch reduces by 25 DEG C -30 DEG C, can have than when being not added with viscosity reduction eliminating smell agent B when producing rubber modified asphalt
The smell of rubber powder, reduces ageing of asphalt when the reduction production of effect.
Embodiment 5
According to《Standard specification for construction and acceptance of highway asphalt pavement》Method as defined in (JTG F40-2004) is respectively to of the invention real
Apply example 3 preparation viscosity reduction environment-friendly rubber modified pitch and embodiment 3 in unmixed viscosity reduction eliminating smell agent A rubber modified asphalt into
The the mixing and stirring of row mixture, molded test, and carry out performance of asphalt mixture evaluation.Wherein, asphalt mineral aggregate gradation is shown in Table
2：
2 asphalt mineral aggregate gradation table of table
It is as follows specifically to mix and stir process：
1) viscosity reduction environment-friendly rubber modified asphalt mixture：
A, it weighs building stones in 160 DEG C of baking oven by set amount to heat 4 hours, viscosity reduction environment-friendly type rubber prepared by embodiment 3
Glue modified pitch heats 2 hours in 140 DEG C of baking ovens, and mixing machine temperature is set as 150 DEG C.
B, mixing machine, uniform stirring 3.5 minutes is first added in rubble material at a set temperature.
C, mixing machine is added in the viscosity reduction environment-friendly rubber modified pitch for preparing embodiment 3, mixes and stirs 2 minutes, adds mine
Powder continues to mix and stir 3 minutes at a temperature of 150 DEG C.
D, bitumen aggregate ratio (percentage of pitch and mineral aggregate mass ratio in bituminous concrete) is 6.6%.
2) rubber modified mixes：
A, it weighs building stones in 210 DEG C of baking oven by set amount to heat 4 hours, unmixed viscosity reduction eliminating smell agent A in embodiment 3
Rubber modified asphalt heated 2 hours in 180 DEG C of baking ovens, mixing machine temperature is set as 190 DEG C.
B, mixing machine, uniform stirring 3.5 minutes is first added in rubble material at a set temperature.
C, mixing machine is added in the rubber modified asphalt of unmixed viscosity reduction eliminating smell agent A in embodiment 3, mixed and stirred 2.5 minutes, then
Miberal powder is added, continues to mix and stir 3 minutes at a temperature of 190 DEG C.
D, bitumen aggregate ratio (percentage of pitch and mineral aggregate mass ratio in bituminous concrete) is 6.7%
Evaluation results are shown in Table 3：
3 performance of asphalt mixture test result of table
| Pilot project | Viscosity reduction environment-friendly rubber modified asphalt mixture | Rubber modified mixes |
| Dynamic stability (secondary/mm) | 6597 | 6723 |
| Low-temperature bending failure strain (μ ε) | 5694 | 5465 |
| Soak residual stability (%) | 93.2 | 92.6 |
| Freeze-thaw split retained strength ratio (%) | 91.7 | 91 |
| Infiltration coefficient (mL/min) | 0 | 0 |
| Pitch leakage analysis losing △ m (%) | 0.06 | 0.05 |
| Asphalt, which disperses, loses △ S (%) | 4.2 | 5.2 |
| Glance coal | 80% is reduced compared to rubber modified mixes | Normally |
Test data shows the rubber modified mixes prepared using viscosity reduction environment-friendly rubber modified asphalt mixture
Mix and stir it is opposite with forming temperature be substantially reduced 25~40 DEG C in the case of, property indices are satisfied by《Asphalt highway
Construction technique normalizing》The requirement of (JTG F40-2004).
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 rubber modified asphalt viscosity reduction eliminating smell agent, is made of the raw material including following parts by weight of component：
2. viscosity reduction eliminating smell agent according to claim 1, which is characterized in that the polyether polyol includes polypropylene oxide two
Alcohol and/or polytetrahydrofuran diol；The number-average molecular weight of the polyether polyol is 3000~4000.
3. viscosity reduction eliminating smell agent according to claim 1, which is characterized in that the number-average molecular weight of the dimethyl silicone polymer
It is 50000~100000.
4. viscosity reduction eliminating smell agent according to claim 1, which is characterized in that kinematic viscosity of the rubber oil at 40 DEG C is
100~120mm2/s。
5. viscosity reduction eliminating smell agent according to claim 1, which is characterized in that kinematic viscosity of the white oil at 40 DEG C is 50
~100mm2/s。
6. viscosity reduction eliminating smell agent according to claim 1, which is characterized in that viscosity of the polyether epoxy at 25 DEG C
≤120Pa.S；The epoxide number of the polyether epoxy is 0.4~0.6mol/100g.
7. the preparation method of rubber modified asphalt viscosity reduction eliminating smell agent, includes the following steps described in a kind of claim 1：
A) polyether polyol, dimethyl silicone polymer, carbolineum and aerosil are mixed into capable development, obtain the first half at
Product；It is developed after triethanolamine, rubber oil, white oil and polyether epoxy are mixed, obtains the second semi-finished product；
B) it is developed after mixing first semi-finished product and the second semi-finished product, obtains rubber modified asphalt viscosity reduction eliminating smell agent.
8. a kind of rubber modified asphalt is mixed by raw material heating；The raw material includes rubber modified asphalt raw material and right
It is required that 1~6 any one of them viscosity reduction eliminating smell agent.
9. a kind of matrix pitch producing rubber modified asphalt is mixed by raw material heating；The raw material includes matrix pitch
Raw material and claim 1~6 any one of them viscosity reduction eliminating smell agent.
10. a kind of rubber modified asphalt is mixed by raw material heating；The raw material includes described in rubber powder and claim 9
Matrix pitch.
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| CN201810541523.5A CN108659558B (en) | 2018-05-30 | 2018-05-30 | Rubber modified asphalt viscosity-reducing deodorant and preparation method and application thereof |
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| CN201810541523.5A CN108659558B (en) | 2018-05-30 | 2018-05-30 | Rubber modified asphalt viscosity-reducing deodorant and preparation method and application thereof |
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| CN108659558B CN108659558B (en) | 2020-08-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110387131A (en) * | 2019-07-22 | 2019-10-29 | 尧棋 | A kind of high storage stability rubber and plastic alloy asphalt modifier and preparation method thereof |
| CN113416421A (en) * | 2021-05-19 | 2021-09-21 | 山东高速集团有限公司创新研究院 | Preparation method and application of bio-based deodorant |
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|---|---|---|---|---|
| GB2076824A (en) * | 1980-05-31 | 1981-12-09 | Mitsubishi Petrochemical Co | Epoxy resin bitumen material composition |
| CN1345360A (en) * | 1999-03-12 | 2002-04-17 | 欧文斯科尔宁格公司 | Method of reducing fumes from vessel of molten asphalt |
| CN101842426A (en) * | 2007-08-09 | 2010-09-22 | Air&D有限公司 | Method for reducing odor in bitumen |
| CN107880574A (en) * | 2017-11-29 | 2018-04-06 | 辽宁瑞德公路科技有限公司 | A kind of high viscous, high-elastic composite modified asphalt of environmental protection and preparation method thereof |
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2018
- 2018-05-30 CN CN201810541523.5A patent/CN108659558B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2076824A (en) * | 1980-05-31 | 1981-12-09 | Mitsubishi Petrochemical Co | Epoxy resin bitumen material composition |
| CN1345360A (en) * | 1999-03-12 | 2002-04-17 | 欧文斯科尔宁格公司 | Method of reducing fumes from vessel of molten asphalt |
| CN101842426A (en) * | 2007-08-09 | 2010-09-22 | Air&D有限公司 | Method for reducing odor in bitumen |
| CN107880574A (en) * | 2017-11-29 | 2018-04-06 | 辽宁瑞德公路科技有限公司 | A kind of high viscous, high-elastic composite modified asphalt of environmental protection and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110387131A (en) * | 2019-07-22 | 2019-10-29 | 尧棋 | A kind of high storage stability rubber and plastic alloy asphalt modifier and preparation method thereof |
| CN113416421A (en) * | 2021-05-19 | 2021-09-21 | 山东高速集团有限公司创新研究院 | Preparation method and application of bio-based deodorant |
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| Publication number | Publication date |
|---|---|
| CN108659558B (en) | 2020-08-04 |
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