CN106633955B - A kind of rubber asphalt stabilizer and preparation method thereof - Google Patents

A kind of rubber asphalt stabilizer and preparation method thereof Download PDF

Info

Publication number
CN106633955B
CN106633955B CN201611081640.5A CN201611081640A CN106633955B CN 106633955 B CN106633955 B CN 106633955B CN 201611081640 A CN201611081640 A CN 201611081640A CN 106633955 B CN106633955 B CN 106633955B
Authority
CN
China
Prior art keywords
rubber asphalt
powder
plasticizer
weight
mixture
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201611081640.5A
Other languages
Chinese (zh)
Other versions
CN106633955A (en
Inventor
何锐
刘斌清
杨哲
黄鑫
陈华鑫
牛冬瑜
仵江涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changan University
Original Assignee
Changan University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changan University filed Critical Changan University
Priority to CN201611081640.5A priority Critical patent/CN106633955B/en
Publication of CN106633955A publication Critical patent/CN106633955A/en
Application granted granted Critical
Publication of CN106633955B publication Critical patent/CN106633955B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/002—Physical properties
    • C08K2201/003—Additives being defined by their diameter
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • 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
    • C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The present invention provides a kind of rubber asphalt stabilizers and preparation method thereof, wherein: stearoyl benzoyl methane is 15%~20%, nanometer thioacetic acid lanthanum is 20%~30%, cerium stearate is 8%~12%, hydrotalcite powder is 2%~4%, and white mica powder is 2%~4%, and tetrabutyl titanate is 20%~25%, plasticizer is 17.5%~20%, and the sum of parts by weight of raw material are 100%.Hydrotalcite powder, white mica powder and tetrabutyl titanate are mixed to prepare mixture A；Cerium stearate, stearoyl benzoyl methane and nanometer thioacetic acid lanthanum are mixed to prepare mixture B；Plasticizer, mixture A and mixture B are mixed to prepare mixture C, are cooled to room temperature, granulating and forming.The present invention is suitable for the rubber asphalt made of waste tire, overcoming common rubber asphalt needs i.e. production to use, this drawback that cannot be transported and store makes rubber asphalt more added with use value, environmental problem caused by waste tire can be effectively relieved, there are significant social and economic benefits.

Description

A kind of rubber asphalt stabilizer and preparation method thereof
Technical field
The invention belongs to field of road, it is related to rubber asphalt additive, a kind of rubber asphalt stabilizer and its preparation Method.
Background technique
Since China's economy develops rapidly, people's lives condition is greatly improved, and domestic vehicles quantity increases year by year, is caused The amount of storage explosive growth for making waste tire, causes immense pressure to environment, and waste tire is effectively treated as China The task of top priority.
Waste tire is processed into rubber powder, is combined and is added in pitch in certain thickness gradation ratio, one Rubber asphalt is fully mixed and then is made under fixed condition.The advantage of rubber asphalt has the following: 1) can effectively handle big Waste tire is measured, alleviates environmental pressure, achievees the purpose that resource utilizes again.2) production cost of rubber asphalt changes with respect to other Property pitch production cost want much lower, have economic advantages；3) pass through a large number of experiments show that the road effect of rubber asphalt and Other modified pitch are very nearly the same, while having the effect for reducing pavement noise.
But rubber asphalt act in road engineering there are also some shortcomings need to overcome, most notable one Deficiency is exactly that the storage stability of rubber asphalt is poor excessively high with high temperature viscosity.Firstly, since rubber powder polymer phase ratio is in pitch Matrix has biggish density, sedimentation separation can occur when quiescence in high temperature storage, the performance gap of upper and lower level is excessive, causes Common rubber asphalt, which needs to produce, to be used, and cannot be transported and be stored.Furthermore since more rubber powder mixes, rubber is caused to drip Green high temperature viscosity is very high, brings very big difficulty to construction.
The storage stability for improving rubber asphalt and the high temperature viscosity for reducing rubber asphalt already become rubber asphalt research Hot spot and forward position.There are some researchs to be all concentrated mainly in the improvement of rubber powder and bitumen base before: using high speed shear, mixing Refining squeezes out or is completed with some physical modification methods such as microwave irradiation the desulfurization and degradation to waste rubber powder.But it produces Low efficiency is not suitable for large-scale production.Germany propose at first into rubber asphalt be added VESTENAMER (TOR) enhancing rubber powder with The interface cohesion of pitch improves the compatibility of pitch and rubber powder, this, which shows to realize by addition additive, solves rubber asphalt Storage stability is feasible with high temperature viscosity problem.
Since present TOR product price is very high, it is steady to develop the rubber asphalt that a kind of performance is good, cost performance is high Agent right and wrong are determined often with there is realistic meaning.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of rubber asphalt stabilizer and its system Preparation Method, the stabilizer can reduce asphalt high-temperature viscosity, improve its storage stability.
In order to solve the above technical problems, the present invention is realised by adopting the following technical scheme:
A kind of rubber asphalt stabilizer, including following raw material are made: stearoyl benzoyl methane, nanometer thioacetic acid lanthanum, Cerium stearate, hydrotalcite powder, white mica powder, tetrabutyl titanate and plasticizer.
The present invention also has following distinguishing feature:
Specifically, based on parts by weight, being prepared from the following raw materials: stearoyl benzoyl methane is 15%~20%, nanometer Thioacetic acid lanthanum be 20%~30%, cerium stearate be 8%~12%, hydrotalcite powder be 2%~4%, white mica powder be 2%~ 4%, tetrabutyl titanate is 20%~25%, and plasticizer is 17.5%~20%, and the sum of parts by weight of raw material are 100%.
Preferably, based on parts by weight, it is prepared from the following raw materials: stearoyl benzoyl methane 20%, nanometer sulfydryl second Sour lanthanum is 20%, cerium stearate 12%, hydrotalcite powder 4%, white mica powder 4%, tetrabutyl titanate 20%, plasticizer It is 20%.
Preferably, based on parts by weight, it is prepared from the following raw materials: stearoyl benzoyl methane 15%, nanometer sulfydryl second Sour lanthanum is 30%, cerium stearate 8%, hydrotalcite powder 2%, white mica powder 2%, tetrabutyl titanate 23%, plasticizer It is 20%.
Preferably, based on parts by weight, it is prepared from the following raw materials: stearoyl benzoyl methane 17.5%, nanometer sulfydryl Lanthanum acetate is 25%, cerium stearate 10%, hydrotalcite powder 2.5%, white mica powder 2.5%, tetrabutyl titanate 25%, Plasticizer is 17.5%.
Further, the plasticizer is the mixture of tricresyl phosphate and zinc stearate.
Preferably, in the plasticizer, based on parts by weight, be made of the mixing of following raw material: tricresyl phosphate is 25%~35%, zinc stearate accounts for 65%~75%, and the sum of parts by weight of raw material are 100%.
It is furthermore preferred that based on parts by weight, being made of the mixing of following raw material: tricresyl phosphate in the plasticizer It is 30%, zinc stearate accounts for 70%.
The preparation method of rubber asphalt stabilizer as described above, this method follow the steps below:
Step 1 mixes hydrotalcite powder and white mica powder, is heated to 300 DEG C, then by hydrotalcite powder after heating and white Mica powder mixture is added in the first heating reaction kettle for be preheated to 160 DEG C together with tetrabutyl titanate and is stirred to react, whole In a reaction process, mixing speed is made to be maintained at 150r/min, stirring 10min obtains uniform mixture A；
Step 2, then cerium stearate, stearoyl benzoyl methane and nanometer thioacetic acid lanthanum are added to and are preheated to 160 DEG C Second heating reaction kettle in, under conditions of normal pressure 150r/min stir 10min obtain uniform mixture B；
Step 3, plasticizer is added to be preheated to 160 DEG C third heating reaction kettle in, by obtained mixture A with Mixture B is successively added in third heating reaction kettle, is stirred 5min under conditions of normal pressure 150r/min and is uniformly mixed Close object C；
Obtained uniformly stable mixture C is cooled to room temperature by step 4, and the granular substance that partial size is 5mm is made Body, as rubber asphalt stabilizer.
Compared with prior art, the present invention having the following technical effect that
(I) present invention is added stearoyl benzoyl methane and can be catalyzed in active methylene group fast exchange rubber macromolecule Sulphur disconnects sulfide linkage, while the hydrotalcite powder of addition, white mica powder, can generate part negative oxygen ion under hot conditions, promote rubber The desulfurization and depolymerization of rubber powder, so that more monomolecular sulphur enter in pitch；Due to rubber powder desulphurization, disaggregation reaction be one can Back reaction, the disconnection and recombination of the sulfide linkage under high temperature in rubber powder carry out simultaneously, therefore during high temperature storage, rubber drip Green performance is unstable.The nanometer thioacetic acid lanthanum that the present invention is added can capture the unimolecule sulphur to dissociate in pitch, with it Reaction forms coordinate bond；The sulphur that cerium stearate can also activate under the high temperature conditions and in pitch reacts, both materials Material cooperates, and prevents the recombination of sulfide linkage between rubber molecule, maintains the different coefficient crosslinking fractures of rubber molecule, causes Molecular weight rubber decline.The plasticizer and rubber that the present invention is added have good compatibility, the rubber that molecular weight can be promoted to become smaller Particle is dissolved in matrix pitch, is effectively improved rubber asphalt storage stability, and these types of material complements each other, and has good collaboration Effect.
(II) of the invention since desulfurization causes to maintain the different coefficient crosslinkings fractures of rubber molecule, eventually lead to rubber Intragranular disintegration；Degradation causes rubber molecular chain to be broken, and molecular weight rubber decline, the two processes all will lead to modified pitch high temperature The decline of viscosity, and the plasticizer that the present invention is added integrally plays dilution and emollescence, two kinds of reaction collaborations to rubber asphalt Effect effectively declines rubber asphalt high temperature viscosity.
(III) present invention is suitable for the rubber asphalt made of waste tire, overcomes common rubber asphalt and needs to produce It uses, this drawback that cannot be transported and store, rubber asphalt is made more added with use value, waste tire can be effectively relieved and make At environmental problem, have significant social and economic benefits.
Explanation is further explained in detail to particular content of the invention with reference to embodiments.
Specific embodiment
In compliance with the above technical solution, the Synergistic Mechanisms between the raw material of the application are as follows: hydrotalcite powder, white mica powder, Tetrabutyl titanate, cerium stearate, stearoyl benzoyl methane, nanometer thioacetic acid lanthanum, plasticizer these types material occur mutually Synergistic effect improves stabilizer function effect.Hydrotalcite powder, white mica powder are as common mineral-filled material and asphalt grouting shape The thermal stability of rubber asphalt is improved at " structure pitch ", and under certain condition, generate negative oxygen ion, accelerate rubber macromolecule The desulfurization and depolymerization of chain, sulfide linkage disconnect, and monomolecular sulphur enters in pitch；Cerium stearate, stearoyl benzoyl methane, nanometer mercapto Three kinds of materials of guanidine-acetic acid lanthanum inhibit the back reaction of desulphurization, disaggregation by capturing unimolecule sulphur, prevent the recombination of sulfide linkage in rubber powder, make It obtains rubber powder granule molecular weight to become smaller, and then is dissolved in pitch；Plasticizer accelerates the rubber grain that molecular weight becomes smaller and is dissolved in drip Blueness, and dilution and emollescence are integrally risen to rubber asphalt；The effect of tetrabutyl titanate is to improve hydrotalcite powder, white mica powder Adhesion strength is improved to generate anti-settling effect with the compatibility and binding force of bitumen base.The application has reached improvement rubber The effect of storage stability and reduction rubber asphalt high temperature viscosity of glue pitch, the appropriate utilization of waste tire is realized, it is economical Environmental protection, has important practical significance and engineering application value.
The specification of each raw material in following embodiment and comparative examples are as follows:
Stearoyl benzoyl methane is pale powder, and molecular formula is C26H42O2, molecular weight 386.6105, fusing point 56 DEG C, specific gravity is 0.20~0.35.
Nanometer thioacetic acid lanthanum is white powder, and organic compounds containing sulfur, particle size is 50~100nm.
Cerium stearate is white powder, molecular formula: C54H105CeO6, fusing point: 120~124 DEG C.
Tetrabutyl titanate molecular formula is C16H36O4Ti, it is colourless to light yellow liquid, it is inflammable, less toxic, when being lower than -55 DEG C be glass Glass shape solid meets water decomposition and is dissolved in most organic solutions, relative density 0.996 in addition to ketone.310~314 DEG C of boiling point.
White mica powder mesh number is 400 mesh, Al2O3Mass content be 30% or so, SiO2Mass content be 42%~ 49%, specific gravity 2.6~2.7,500-600 DEG C of heat resistance.
Hydrotalcite powder mesh number is 600 mesh, and the mass content of SiO2 is 55%~65%, specific gravity 2.7~2.8, for white or Off-white color, fine, without grittiness powder.
Specific embodiments of the present invention are given below, it should be noted that the invention is not limited to implement in detail below Example, all equivalents done on the basis of technical solution of the present invention each fall within protection scope of the present invention.
Embodiment 1:
The present embodiment provides a kind of rubber asphalt stabilizer and is prepared from the following raw materials based on parts by weight: stearoyl benzene first Acyl methane is 20%, and nanometer thioacetic acid lanthanum is 20%, cerium stearate 12%, hydrotalcite powder 4%, white mica powder 4%, Tetrabutyl titanate is 20%, plasticizer 20%.
In plasticizer, based on parts by weight, it is made of the mixing of following raw material: tricresyl phosphate 30%, zinc stearate Account for 70%.
According to above-mentioned formula, the preparation method of the rubber asphalt stabilizer of the present embodiment is followed the steps below:
Step 1 mixes hydrotalcite powder and white mica powder, is heated to 300 DEG C, then by hydrotalcite powder after heating and white Mica powder mixture is added in the first heating reaction kettle for be preheated to 160 DEG C together with tetrabutyl titanate and is stirred to react, whole In a reaction process, mixing speed is made to be maintained at 150r/min, stirring 10min obtains uniform mixture A；
Step 2, then cerium stearate, stearoyl benzoyl methane and nanometer thioacetic acid lanthanum are added to and are preheated to 160 DEG C Second heating reaction kettle in, under conditions of normal pressure 150r/min stir 10min obtain uniform mixture B；
Step 3, plasticizer is added to be preheated to 160 DEG C third heating reaction kettle in, by obtained mixture A with Mixture B is successively added in third heating reaction kettle, is stirred 5min under conditions of normal pressure 150r/min and is uniformly mixed Close object C；
Obtained uniformly stable mixture C is cooled to room temperature by step 4, and the granular substance that partial size is 5mm is made Body, as rubber asphalt stabilizer.
The number of rubber asphalt stabilizer made from the present embodiment is 1#.
Embodiment 2:
The present embodiment provides a kind of rubber asphalt stabilizer and is prepared from the following raw materials based on parts by weight: stearoyl benzene first Acyl methane is 15%, and nanometer thioacetic acid lanthanum is 30%, cerium stearate 8%, hydrotalcite powder 2%, white mica powder 2%, Tetrabutyl titanate is 23%, plasticizer 20%.
In plasticizer, based on parts by weight, it is made of the mixing of following raw material: tricresyl phosphate 25%, zinc stearate Account for 75%.
According to above-mentioned formula, the preparation method of the rubber asphalt stabilizer of the present embodiment is substantially the same manner as Example 1.
The number of rubber asphalt stabilizer made from the present embodiment is 2#.
Embodiment 3:
The present embodiment provides a kind of rubber asphalt stabilizer and is prepared from the following raw materials based on parts by weight: stearoyl benzene first Acyl methane is 17.5%, and nanometer thioacetic acid lanthanum is 25%, cerium stearate 10%, hydrotalcite powder 2.5%, and white mica powder is 2.5%, tetrabutyl titanate 25%, plasticizer 17.5%.
In plasticizer, based on parts by weight, it is made of the mixing of following raw material: tricresyl phosphate 35%, zinc stearate Account for 65%.
According to above-mentioned formula, the preparation method of the rubber asphalt stabilizer of the present embodiment is substantially the same manner as Example 1.
The number of rubber asphalt stabilizer made from the present embodiment is 3#.
Comparative example 1:
This comparative example provides a kind of rubber asphalt stabilizer and is prepared from the following raw materials based on parts by weight: cerium stearate is 20%, stearoyl benzoyl methane 30%, nanometer thioacetic acid lanthanum is 50%.
According to above-mentioned formula, the rubber asphalt stabilizer of this comparative example the preparation method comprises the following steps: by cerium stearate, stearoyl benzene Formyl methane, nanometer thioacetic acid lanthanum are added in the heating reaction kettle for being preheated to 160 DEG C, under conditions of normal pressure 150r/min Stirring 10min obtains uniform mixture, and obtained uniformly stable mixture is cooled to room temperature, and it is 5mm that partial size, which is made, Granular substance, gained is final products.
The number of rubber asphalt stabilizer made from this comparative example is 4#.
Comparative example 2:
This comparative example provides a kind of rubber asphalt stabilizer and is prepared from the following raw materials based on parts by weight: hydrotalcite powder is 5%, white mica powder 5%, tetrabutyl titanate 50%, plasticizer 40%.
In plasticizer, based on parts by weight, it is made of the mixing of following raw material: tricresyl phosphate 30%, zinc stearate Account for 70%.
According to above-mentioned formula, the rubber asphalt stabilizer of this comparative example the preparation method comprises the following steps: by hydrotalcite powder, white mica powder 300 DEG C are heated to, then it is added in the heating reaction kettle for be preheated to 160 DEG C together with tetrabutyl titanate and is stirred, entire In reaction process, mixing speed is made to be maintained at 150r/min, stirring 10min obtains uniform mixture, by obtain uniformly Stable mixture is cooled to room temperature, and the granular substance that partial size is 5mm is made, gained is final products.
The number of rubber asphalt stabilizer made from this comparative example is 5#.
Performance test:
The following matrix pitch used of testing hands over asphalt for SK90# again, using 30 mesh rubber powders, rubber powder weight volume It is 20%, the rubber asphalt that all indexs all meet code requirement is made.
Manufactured rubber asphalt is taken, 2% above-described embodiment and comparative example that weight is rubber asphalt weight are separately added into In five kinds of rubber asphalt stabilizers,
Note number is No. 1, No. 2, No. 3, No. 4 and No. 5 respectively.Above-mentioned rubber asphalt is taken, any stabilizer is not spiked with, is denoted as No. 0.Carry out indoor comparative test.
Test one: No. 0, No. 1, No. 2, No. 3, No. 4 and No. 5 rubber asphalt sample obtained above is taken, is tested using MAST The storage of instrument static state carries out isolation test for 24 hours, test its storage time for 24 hours when upper and lower level softening point difference, test result is shown in Table 1.
1 isolation test comparing result of table
Number 0 1 2 3 4 5
Softening point difference/DEG C 5.5 2.4 2.3 2.5 4.5 5.0
Test two: No. 0, No. 1, No. 2, No. 3, No. 4 and No. 5 rubber asphalt sample obtained above is taken, using Haanke hand The rotary viscosity of formula viscosimeter test rubber asphalt sample is held, test temperature is 160 DEG C.Test result is shown in Table 2.
2 rotary viscosity comparing result of table
Number 0 1 2 3 4 5
Rotary viscosity/Pa.s 2.5 1.5 1.5 1.4 2.0 1.9
Can be seen that a kind of rubber asphalt stabilizer of the present invention from the above comparative test has the storage for improving rubber asphalt Stability and the effect for improving rubber asphalt high temperature viscosity；These types of material has good synergistic effect, complements each other, and enhances The function and effect of stabilizer.
To sum up show that a kind of rubber asphalt stabilizer of the invention has good workability, excellent cost performance, performance It is good, it can effectively solve application of rubber asphalt in actual various drawbacks, guarantee popularization of the rubber asphalt in road engineering and answer With having broad application prospects.

Claims (8)

1. a kind of rubber asphalt stabilizer, which is characterized in that based on parts by weight, be prepared from the following raw materials: stearoyl benzoyl Methane is 15%~20%, and nanometer thioacetic acid lanthanum is 20%~30%, and cerium stearate is 8%~12%, hydrotalcite powder 2% ~4%, white mica powder is 2%~4%, and tetrabutyl titanate is 20%~25%, and plasticizer is 17.5%~20%, the weight of raw material Measuring the sum of number is 100%.
2. rubber asphalt stabilizer as described in claim 1, which is characterized in that based on parts by weight, be prepared from the following raw materials: Stearoyl benzoyl methane is 20%, and nanometer thioacetic acid lanthanum is 20%, cerium stearate 12%, hydrotalcite powder 4%, white clouds Female powder is 4%, tetrabutyl titanate 20%, plasticizer 20%.
3. rubber asphalt stabilizer as described in claim 1, which is characterized in that based on parts by weight, be prepared from the following raw materials: Stearoyl benzoyl methane is 15%, and nanometer thioacetic acid lanthanum is 30%, cerium stearate 8%, hydrotalcite powder 2%, white clouds Female powder is 2%, tetrabutyl titanate 23%, plasticizer 20%.
4. rubber asphalt stabilizer as described in claim 1, which is characterized in that based on parts by weight, be prepared from the following raw materials: Stearoyl benzoyl methane is 17.5%, and nanometer thioacetic acid lanthanum is 25%, cerium stearate 10%, hydrotalcite powder 2.5%, White mica powder is 2.5%, tetrabutyl titanate 25%, plasticizer 17.5%.
5. rubber asphalt stabilizer as described in claim 1, which is characterized in that the plasticizer be tricresyl phosphate and The mixture of zinc stearate.
6. rubber asphalt stabilizer as claimed in claim 5, which is characterized in that in the plasticizer, based on parts by weight, Be made of the mixing of following raw material: tricresyl phosphate is 25%~35%, and zinc stearate accounts for 65%~75%, the parts by weight of raw material The sum of number is 100%.
7. rubber asphalt stabilizer as claimed in claim 6, which is characterized in that in the plasticizer, based on parts by weight, Be made of the mixing of following raw material: tricresyl phosphate 30%, zinc stearate accounts for 70%.
8. the preparation method of the rubber asphalt stabilizer as described in claim 1 to 7 any claim, which is characterized in that should Method follows the steps below:
Step 1 mixes hydrotalcite powder and white mica powder, is heated to 300 DEG C, then by the hydrotalcite powder and muscovite after heating Powder mixture is added in the first heating reaction kettle for be preheated to 160 DEG C together with tetrabutyl titanate and is stirred to react, entire anti- During answering, mixing speed is made to be maintained at 150r/min, stirring 10min obtains uniform mixture A；
Step 2, then cerium stearate, stearoyl benzoyl methane and nanometer thioacetic acid lanthanum be added to be preheated to 160 DEG C In two heating reaction kettles, 10min is stirred under conditions of normal pressure 150r/min and obtains uniform mixture B；
Step 3, plasticizer is added to be preheated to 160 DEG C third heating reaction kettle in, by obtained mixture A with mix Object B is successively added in third heating reaction kettle, is stirred 5min under conditions of normal pressure 150r/min and is obtained uniform mixture C；
Obtained uniformly stable mixture C is cooled to room temperature by step 4, the granular substance that partial size is 5mm is made, i.e., For rubber asphalt stabilizer.
CN201611081640.5A 2016-11-30 2016-11-30 A kind of rubber asphalt stabilizer and preparation method thereof Active CN106633955B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611081640.5A CN106633955B (en) 2016-11-30 2016-11-30 A kind of rubber asphalt stabilizer and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611081640.5A CN106633955B (en) 2016-11-30 2016-11-30 A kind of rubber asphalt stabilizer and preparation method thereof

Publications (2)

Publication Number Publication Date
CN106633955A CN106633955A (en) 2017-05-10
CN106633955B true CN106633955B (en) 2019-03-22

Family

ID=58813527

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611081640.5A Active CN106633955B (en) 2016-11-30 2016-11-30 A kind of rubber asphalt stabilizer and preparation method thereof

Country Status (1)

Country Link
CN (1) CN106633955B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109593235A (en) * 2018-12-03 2019-04-09 江苏东道交通科技集团有限公司 A kind of rubber asphalt effectively keeps the temperature additive and preparation method thereof
CN109535750A (en) * 2018-12-03 2019-03-29 江苏东道交通科技集团有限公司 A kind of rubber asphalt stabilizer and preparation method thereof
CN110240809A (en) * 2019-05-06 2019-09-17 长安大学 A kind of compound rubber powder modified asphalt and preparation method thereof
CN114479496B (en) * 2022-02-15 2023-03-31 天津城建大学 Preparation method of desulfurized rubber modified asphalt

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103205130B (en) * 2013-04-12 2015-05-06 长安大学 Energy-saving and environment-friendly asphalt modifier
CN104592677B (en) * 2015-01-06 2016-07-06 肇庆市森德利化工实业有限公司 The electric wire stabilizer that a kind of low processing temperature easily plastifies
CN106118100B (en) * 2016-07-31 2019-02-05 山西省交通科学研究院 A kind of rubber asphalt stabilizer and the method using its stable modification rubber asphalt

Also Published As

Publication number Publication date
CN106633955A (en) 2017-05-10

Similar Documents

Publication Publication Date Title
CN106633955B (en) A kind of rubber asphalt stabilizer and preparation method thereof
CN105542496B (en) Uncured rubber-asphalt waterproof material and preparation method thereof
CN101812234A (en) Waste rubber powder/waste plastics/SBS composite modified asphalt and preparation method thereof
CN104725883A (en) High-viscosity high-elasticity asphalt based on surface modification of rubber particles, and high-viscosity high-elasticity SMA (stone mastic asphalt) mixture based on surface modification of rubber particles and preparing method thereof
CN104788975A (en) Asphalt regenerating agent with modification function and preparation method thereof
CN101143968A (en) Waste rubber powder modified asphalt composition for increasing storage stability and preparation method thereof
CN103773009B (en) A kind of preparation method of high-viscosity modified asphalt
CN110922775A (en) Buton rock asphalt modifier based on environment-friendly rubber powder and preparation method and application thereof
CN104693565B (en) It is a kind of can stable storage compound shoddy particle and preparation method thereof
CN101550276B (en) Crumb rubber modified asphalt and prepration method thereof
CN101824226A (en) Preparation method of waste and oil tire rubber powder modified asphalt with stable heat storage
CN102304289A (en) Road asphalt prepared by adding plant asphalt to petroleum asphalt and production method thereof
CN104693822B (en) A kind of low-temperature ductility of modified pitch, high temperature resistant storage stability auxiliary agent and preparation method thereof and modified pitch
CN107739519A (en) A kind of modified pitch of waterproof roll and preparation method thereof
CN100487058C (en) Composite modified asphalt material for improving low-temperature ductility
CN104194364A (en) Composite asphalt modifier, composite modified asphalt and production process of composite asphalt modifier and composite modified asphalt
CN105482474A (en) Low-viscosity crumb rubber modified asphalt and preparation method thereof
CN104693820B (en) It is a kind of can stable storage the particle modified asphalt of compound shoddy and preparation method thereof
CN103396669B (en) Microwave desulfurization cracking rubber powder of waste tire composite modified asphalt and preparation method thereof
CN104559250A (en) Thickened asphalt composition and preparation method thereof
CN102093725B (en) Modified road asphalt and preparation method thereof
CN103205131B (en) Chemical modified rubber asphalt with stable performance and preparation method thereof
CN104356830A (en) Waterproof paint for building and preparation method of waterproof paint
CN106317919A (en) Environment-friendly asphalt modifier and preparation method thereof
CN106883627A (en) A kind of preparation method of ethylene acrylic from aggressiveness modified pitch

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant