CN107365506A - A kind of new type rubber composite modified asphalt and preparation method thereof - Google Patents
A kind of new type rubber composite modified asphalt and preparation method thereof Download PDFInfo
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- CN107365506A CN107365506A CN201710784699.9A CN201710784699A CN107365506A CN 107365506 A CN107365506 A CN 107365506A CN 201710784699 A CN201710784699 A CN 201710784699A CN 107365506 A CN107365506 A CN 107365506A
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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
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/20—Recycled plastic
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- 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)
- Road Paving Structures (AREA)
Abstract
A kind of new type rubber composite modified asphalt and preparation method thereof, is related to road pavement Material Field, solves the problems, such as that existing waste-tyre rubber-powder utilization rate is low and the resistance to elevated temperatures of existing rubber asphalt is poor, working viscosity is big caused by volume increase.The present invention composition and parts by weight be：65~75 parts of asphalt；Waste and old 4~6 parts of recycled plastic granules；SBS1~3 part；60~75 parts of tire tire top rubber powder；15~30 parts of tire sidewall rubber powder；10~15 parts of tire chewing-gum powder；1.5 parts of white oil；0.5 part of TMTD accelerator；1 part of activator；0.2~0.4 part of stabilizer；0.1~0.2 part of age resistor；Tire tire top rubber powder is 25~40 mesh, and tire sidewall rubber powder is 30~40 mesh, and tire chewing-gum powder is 40~60 mesh.The rubber composite modified pitch resistance to elevated temperatures of the present invention is good, and working viscosity is small, service life length, improves the utilization rate of waste-tyre rubber-powder.
Description
Technical field
The present invention relates to road pavement field of material technology, and in particular to a kind of new type rubber composite modified asphalt and its system
Preparation Method.
Background technology
Rubber asphalt has been widely used in road industry at present, and improving pavement performance, to extend road same with the life-span
When, the appearance of rubber modified asphalt also reduces and eliminated " black pollution " of damaged tire, still, existing rubber asphalt material
Selection still there is limitation, rubber tyre is because tire top is different from the gum components on sidewall, therefore most enterprises are in order to pursue
Quality and index, the concept of tire top glue can be all proposed when selecting material, can more abandon tire chewing-gum.Making the mistake of tire
Cheng Zhong, because the function at each position of tire is different, thus the natural gum content at each position is also different.For example, tire top plays
Driving, braking, anti-skidding, damping etc. are acted on, it is necessary to possess the performance such as wear-resisting, ageing-resistant, therefore the natural gum content in tire top glue
It is more；Sidewall only serves supporting function, protects carcass, can use reclaimed rubber and rubber polymer more；And tire oral area point plays fast pulley
Effect, typically using hard rubber, wherein fiber and ash composition is more, is practically free of natural gum composition, the glue of tire oral area point
Matter is poor, so being not easy in pitch by dispersing and dissolving, quality is unstable, and particle and building stones caking property are poor.
The content of the invention
In order to solve existing waste-tyre rubber-powder utilization rate is low and the resistance to elevated temperatures of existing rubber asphalt is poor, because of volume
The problem of working viscosity is big caused by increase, the present invention provide a kind of new type rubber composite modified asphalt and preparation method thereof.
The present invention is that technical scheme is as follows used by solving technical problem：
A kind of new type rubber composite modified asphalt of the present invention, composition and parts by weight are as follows：
The tire tire top rubber powder is 25~40 mesh, and the tire sidewall rubber powder is 30~40 mesh, and the tire chewing-gum powder is
40~60 mesh.
As preferred embodiment, the model 90# or 70# of the asphalt.
As preferred embodiment, the waste and old recycled plastic granules are waste and old regeneration PE.
As one of preferred embodiment, a kind of new type rubber composite modified asphalt of the invention, composition and again
It is as follows to measure part：
The tire tire top rubber powder is 30 mesh, and the tire sidewall rubber powder is 35 mesh, and the tire chewing-gum powder is 50 mesh.
As one of preferred embodiment, a kind of new type rubber composite modified asphalt of the invention, composition and again
It is as follows to measure part：
The tire tire top rubber powder is 25 mesh, and the tire sidewall rubber powder is 30 mesh, and the tire chewing-gum powder is 40 mesh.
As one of preferred embodiment, a kind of new type rubber composite modified asphalt of the invention, composition and again
It is as follows to measure part：
The tire tire top rubber powder is 40 mesh, and the tire sidewall rubber powder is 40 mesh, and the tire chewing-gum powder is 60 mesh.
Present invention also offers a kind of above-mentioned preparation method of new type rubber composite modified asphalt, comprise the following steps：
Rubber powder granule is formed Step 1: tire tire top rubber powder, tire sidewall rubber powder, tire chewing-gum powder are well mixed, then
White oil, TMTD accelerator, activator are sprayed at rubber powder granule surface successively；
Step 2: asphalt is preheated into 180~200 DEG C, then it is well mixed with step 1 products therefrom；
Step 3: successively putting into SBS, waste and old recycled plastic granules into step 2 products therefrom, continue stirring
Lower addition stabilizer and age resistor, obtain blend；
Step 4: blends described above is carried out after disposably grinding, under the conditions of 170~180 DEG C lasting stirring development 2~
3 hours, obtain new type rubber composite modified asphalt.
As preferred embodiment, in step 2, asphalt preheating temperature is 190 DEG C.
As preferred embodiment, in step 4, temperature is 175 DEG C.
As preferred embodiment, in step 4, develop 2.5 hours.
The beneficial effects of the invention are as follows：
1st, main innovation point of the invention is：Tire tire top rubber powder, tire sidewall rubber powder, tire are utilized in a wider context
These three rubber powders of chewing-gum powder simultaneously select waste and old recycled plastic granules material simultaneously, under specific preparation process condition, are formed multiple
Mould assembly rubber modified asphalt material.The resistance to elevated temperatures of the invention for further improving rubber composite modified pitch, is reduced
The working viscosity of rubber composite modified pitch, while the service life of pitch is extended, while bring certain economic and social benefits.
2nd, in the present invention, using tire tire top rubber powder, tire sidewall rubber powder, these three rubber powders of tire chewing-gum powder instead of existing
Rubber powder, and define the mesh number and ratio of these three rubber powders, tire tire top rubber powder is 25~40 mesh, and tire sidewall rubber powder is
30~40 mesh, tire chewing-gum powder are 40~60 mesh., it is necessary to add additive (white oil, TMTD accelerator, work during preparation
Agent), pre-processed, the rubber powder granule by pretreatment because of oil suction in advance, particle melt it is swollen, production and processing it is rubber combined
During modified pitch, energy rapid fusion forms dispersion into pitch, solves the problems, such as because the dissolving of tire chewing-gum powder is difficult, because of glue
Additive has uniformly been wrapped up on powder particles surface, so that reactiveness is evenly, quality is more stable, and because material is to carry out
Ratio is arranged in pairs or groups, and itself is formd stable collection and is matched somebody with somebody skeleton and stabilising system, and the isolation for solving rubber composite modified pitch is stable
Property, while solve the problems, such as waste-tyre rubber-powder utilization rate.
3rd, waste and old recycled plastic granules use waste and old regeneration PE, while the resistance to elevated temperatures of pitch is effectively improved, drop
The low working viscosity of pitch, and waste and old regeneration PE ageing resistace is improved using age resister, extend making for pitch
Use the life-span.
Embodiment
A kind of new type rubber composite modified asphalt of the present invention, composition and parts by weight are as follows：
1st, the model 90# or 70# of selected asphalt, it is road road petroleum asphalt and preparation technology thereof.
2nd, selected rubber powder particles include：Tire tire top rubber powder, tire sidewall rubber powder, tire chewing-gum powder.Selected
Rubber powder is using preceding needing to be pre-processed, particularly：By tire tire top rubber powder, tire sidewall rubber powder, tire chewing-gum powder according to
Ratio is well mixed to form rubber powder granule, and white oil, TMTD accelerator, activator then are sprayed at into glue successively using spray equipment
Powder particles surface.
Selected tire tire top rubber powder is 25~40 mesh, and selected tire sidewall rubber powder is 30~40 mesh, selected
Tire chewing-gum powder be 40~60 mesh, proportionally mixture manufacturing goes out uniform rubber powder particles.
3rd, selected SBS is road modifying agent general in this area.
4th, selected waste and old recycled plastic granules are waste and old regeneration PE, and color is usually black or compared with dark colour, at this
In the composite modified asphalt of invention, play a part of adjusting high temperature performance of asphalt, reduce overall viscosity, while fill waste and scrap
Divide and recycle.
5th, selected age resistor is rubber plastic dedicated classes anti-aging agent RD, 246, DNP etc., and main function is that improvement is waste and old
The oxidation resistance of recycled plastic granules and rubber, improve the whole service life of composite modified asphalt.
6th, selected activator is rubber product activator 420 or 450, primarily serves increase pitch and rubber powder granule
Between solvability effect, make rubber powder granule is more full and uniform to be dispersed in composite modified asphalt system.
7th, selected stabilizer, common sulfur type stabilizer general in the industry may be selected, can also select compound
Stabilizer.Stabilizer in the present invention is compound sulfur type stabilizer, containing compatilizer composition 30%, is breaking not jljl
Active force between matter, form rock-steady structure and accelerate to develop simultaneously.
A kind of preparation method of new type rubber composite modified asphalt of the present invention, comprises the following steps：
Rubber powder granule is formed Step 1: tire tire top rubber powder, tire sidewall rubber powder, tire chewing-gum powder are well mixed, then
White oil, TMTD accelerator, activator are sprayed at rubber powder granule surface successively using spray equipment.Rubber powder granule through processing because
Oil suction in advance, particle melt it is swollen, when producing and processing rubber composite modified pitch, can rapid fusion into pitch, formed scattered
System, solve the problems, such as because the dissolving of tire chewing-gum powder is difficult, because additive has uniformly been wrapped up on rubber powder granule surface, (white oil, TMTD promote
Enter agent, activator) so that reactiveness is evenly, quality is more stable, and because material is to have carried out ratio collocation, itself
Form stable collection and match somebody with somebody skeleton, the isolation stability for solving rubber composite modified pitch.
Step 2: asphalt is preheated into 180~200 DEG C, then it is well mixed with step 1 products therefrom.
Step 3: successively putting into SBS, waste and old recycled plastic granules into step 2 products therefrom, continue stirring
Lower addition stabilizer and age resistor, obtain blend.
Step 4: blends described above is sent into colloid mill, carries out after disposably grinding, continue under the conditions of 170~180 DEG C
Stirring development 2~3 hours, obtains new type rubber composite modified asphalt.
The present invention is described in further detail with reference to embodiments.
Embodiment 1
A kind of new type rubber composite modified asphalt of the present embodiment, it is formed and parts by weight are as follows：
Above-mentioned composition and the rubber composite modified pitch of parts by weight are prepared in accordance with the following methods：
Rubber powder granule is formed Step 1: tire tire top rubber powder, tire sidewall rubber powder, tire chewing-gum powder are well mixed, then
White oil, TMTD accelerator, activator are sprayed at rubber powder granule surface successively using spray equipment.
Step 2: asphalt is preheated into 180 DEG C, then it is well mixed with step 1 products therefrom.
Step 3: successively putting into SBS, waste and old recycled plastic granules into step 2 products therefrom, continue stirring
Lower addition stabilizer and age resistor, obtain blend.
Step 4: blends described above is sent into colloid mill, carries out after disposably grinding, persistently stirred under the conditions of 180 DEG C
Development 3 hours, obtains new type rubber composite modified asphalt.
The gained new type rubber composite modified asphalt of embodiment 1 is detected, testing result is as shown in table 1.
Embodiment 2
A kind of new type rubber composite modified asphalt of the present embodiment, it is formed and parts by weight are as follows：
Above-mentioned composition and the rubber composite modified pitch of parts by weight are prepared in accordance with the following methods：
Rubber powder granule is formed Step 1: tire tire top rubber powder, tire sidewall rubber powder, tire chewing-gum powder are well mixed, then
White oil, TMTD accelerator, activator are sprayed at rubber powder granule surface successively using spray equipment.
Step 2: asphalt is preheated into 190 DEG C, then it is well mixed with step 1 products therefrom.
Step 3: successively putting into SBS, waste and old recycled plastic granules into step 2 products therefrom, continue stirring
Lower addition stabilizer and age resistor, obtain blend.
Step 4: blends described above is sent into colloid mill, carries out after disposably grinding, persistently stirred under the conditions of 175 DEG C
Development 2.5 hours, obtains new type rubber composite modified asphalt.
The gained new type rubber composite modified asphalt of embodiment 2 is detected, testing result is as shown in table 1.
Embodiment 3
A kind of new type rubber composite modified asphalt of the present embodiment, it is formed and parts by weight are as follows：
Above-mentioned composition and the rubber composite modified pitch of parts by weight are prepared in accordance with the following methods：
Rubber powder granule is formed Step 1: tire tire top rubber powder, tire sidewall rubber powder, tire chewing-gum powder are well mixed, then
White oil, TMTD accelerator, activator are sprayed at rubber powder granule surface successively using spray equipment.
Step 2: asphalt is preheated into 200 DEG C, then it is well mixed with step 1 products therefrom.
Step 3: successively putting into SBS, waste and old recycled plastic granules into step 2 products therefrom, continue stirring
Lower addition stabilizer and age resistor, obtain blend.
Step 4: blends described above is sent into colloid mill, carries out after disposably grinding, persistently stirred under the conditions of 170 DEG C
Development 2 hours, obtains new type rubber composite modified asphalt.
The gained new type rubber composite modified asphalt of embodiment 3 is detected, testing result is as shown in table 1.The China of table 1 follows
Ring economic associations《Road vulcanized rubber powder/polymer composite modified asphalt》T/CACE007-2017 standards
| Detection project | RPM | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| 180 DEG C of rotary viscosities (pa.s) | 1~4 | 1.9 | 2.2 | 2.0 |
| 25 DEG C of needle penetrations | 30-50 | 45 | 48 | 42 |
| Softening point (DEG C) | ≥75 | 77 | 82 | 85 |
| Elasticity recovers (25 DEG C) % | ≥75 | 88 | 92 | 85 |
| 5 DEG C of ductilities (cm) | ≥10 | 26 | 28 | 24 |
| 48 hours stability (DEG C) | 5 | 0.8 | 1.2 | 0.8 |
From table 1, standard gauge is met as the new type rubber composite modified asphalt prepared by embodiment 1 to embodiment 3
Provisioning request, there is resistance to elevated temperatures, extend service life, while reduce the working viscosity of rubber composite modified pitch, make
Construction becomes to be more prone to, time saving and energy saving.
Above content is to combine the further detailed description made for the present invention of specific preferred embodiment, it is impossible to is recognized
The specific implementation of the fixed present invention is confined to these explanations.For the person of ordinary skill of the art, can be according to this hair
Bright technical scheme and inventive concept, make it is corresponding change and substitute, and obtain having with the present invention and be similarly composed and weight
A kind of new type rubber composite modified asphalt of part, its performance also must be the same, and should all be considered as protection scope of the present invention.
Claims (10)
1. a kind of new type rubber composite modified asphalt, it is characterised in that composition and parts by weight are as follows：
The tire tire top rubber powder is 25~40 mesh, and the tire sidewall rubber powder is 30~40 mesh, the tire chewing-gum powder is 40~
60 mesh.
A kind of 2. new type rubber composite modified asphalt according to claim 1, it is characterised in that the type of the asphalt
Number it is 90# or 70#.
A kind of 3. new type rubber composite modified asphalt according to claim 1, it is characterised in that the waste and old regenerated plastics
Particle is waste and old regeneration PE.
4. a kind of new type rubber composite modified asphalt according to claim 1, it is characterised in that composition and parts by weight are such as
Under：
The tire tire top rubber powder is 30 mesh, and the tire sidewall rubber powder is 35 mesh, and the tire chewing-gum powder is 50 mesh.
5. a kind of new type rubber composite modified asphalt according to claim 1, it is characterised in that composition and parts by weight are such as
Under：
The tire tire top rubber powder is 25 mesh, and the tire sidewall rubber powder is 30 mesh, and the tire chewing-gum powder is 40 mesh.
6. a kind of new type rubber composite modified asphalt according to claim 1, it is characterised in that composition and parts by weight are such as
Under：
The tire tire top rubber powder is 40 mesh, and the tire sidewall rubber powder is 40 mesh, and the tire chewing-gum powder is 60 mesh.
7. preparing a kind of method of new type rubber composite modified asphalt in claim 1 to 6 described in any one, its feature exists
In comprising the following steps：
Rubber powder granule is formed Step 1: tire tire top rubber powder, tire sidewall rubber powder, tire chewing-gum powder are well mixed, then successively
White oil, TMTD accelerator, activator are sprayed at rubber powder granule surface；
Step 2: asphalt is preheated into 180~200 DEG C, then it is well mixed with step 1 products therefrom；
Step 3: successively putting into SBS, waste and old recycled plastic granules into step 2 products therefrom, continue to add under stirring
Add stabilizer and age resistor, obtain blend；
Step 4: blends described above is carried out after disposably grinding, lasting stirring development 2~3 is small under the conditions of 170~180 DEG C
When, obtain new type rubber composite modified asphalt.
8. preparation method according to claim 7, it is characterised in that in step 2, asphalt preheating temperature is 190
℃。
9. preparation method according to claim 7, it is characterised in that in step 4, temperature is 175 DEG C.
10. preparation method according to claim 7, it is characterised in that in step 4, develop 2.5 hours.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710784699.9A CN107365506A (en) | 2017-09-04 | 2017-09-04 | A kind of new type rubber composite modified asphalt and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710784699.9A CN107365506A (en) | 2017-09-04 | 2017-09-04 | A kind of new type rubber composite modified asphalt and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110343307A (en) * | 2019-08-02 | 2019-10-18 | 南京东润特种橡塑有限公司 | A kind of rubber powder climbing pad and preparation method thereof |
| CN114736529A (en) * | 2022-03-31 | 2022-07-12 | 山东高速路用新材料技术有限公司 | High-content rubber modified asphalt based on activated rubber powder and preparation method and application thereof |
| CN117720822A (en) * | 2023-11-30 | 2024-03-19 | 中国海洋大学 | Modified warm mix rubber asphalt and preparation method thereof |
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| CN104312173A (en) * | 2014-10-21 | 2015-01-28 | 吉林省嘉瑞沥青科技有限公司 | Rubber composite modified asphalt and preparation method thereof |
| CN105419354A (en) * | 2014-09-15 | 2016-03-23 | 王金山 | Plastic and waste rubber regenerated modified asphalt |
| CN106243748A (en) * | 2016-08-04 | 2016-12-21 | 董亚伦 | A kind of modified pitch and preparation method thereof |
| CN107022199A (en) * | 2017-04-12 | 2017-08-08 | 广西交通科学研究院有限公司 | The preparation method of low glutinous stable rubber and plastic compound modified asphalt and its compound |
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2017
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| CN105419354A (en) * | 2014-09-15 | 2016-03-23 | 王金山 | Plastic and waste rubber regenerated modified asphalt |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110343307A (en) * | 2019-08-02 | 2019-10-18 | 南京东润特种橡塑有限公司 | A kind of rubber powder climbing pad and preparation method thereof |
| CN114736529A (en) * | 2022-03-31 | 2022-07-12 | 山东高速路用新材料技术有限公司 | High-content rubber modified asphalt based on activated rubber powder and preparation method and application thereof |
| CN117720822A (en) * | 2023-11-30 | 2024-03-19 | 中国海洋大学 | Modified warm mix rubber asphalt and preparation method thereof |
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Application publication date: 20171121 |