CN109294251A - Compound rubber powder modified asphalt - Google Patents
Compound rubber powder modified asphalt Download PDFInfo
- Publication number
- CN109294251A CN109294251A CN201811080798.XA CN201811080798A CN109294251A CN 109294251 A CN109294251 A CN 109294251A CN 201811080798 A CN201811080798 A CN 201811080798A CN 109294251 A CN109294251 A CN 109294251A
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- China
- Prior art keywords
- pitch
- rubber powder
- plastics
- rubber
- modified asphalt
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- 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.)
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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
- 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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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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)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention discloses compound rubber powder modified asphalts, comprising the following steps: A. chooses AH-90 pitch as base-material；E. it will be poured into agitator after AH-90 pitch dewatering and stir and heat；H. fine rubber particle rubber powder is poured into the agitator that sphere plastic particle is mixed with pitch, and carries out being again stirring for heated at constant temperature, then added EVA rubber pange plastics as additive and be mixed evenly again；I. polypropylene fibre is processed by colloid mill and added to mixture obtained in step H, sheared finally by high speed pitch boxshear apparatus.The present invention passes through using AH-90 pitch as base-material, after rubber powder and the modified addition EVA rubber pange plastics of PE, polypropylene fibre, the response to temperature of pitch is improved, resistance to flow improves, the coefficient of viscosity of rubber asphalt is greater than matrix pitch, it improves the toughness of pitch and strengthens the anti-aging property of pitch, increase the grasp property of vehicle tyre and road surface, improve driving safety.
Description
Technical field
The present invention relates to modified pitch field, in particular to compound rubber powder modified asphalt.
Background technique
With the economic fast development in China, the scale and technology of the highway construction in China also all achieve it is considerable into
Step, but in most area since summer high temperature event duration is too long, pitch highway is easy to appear aging, track, crack etc.
Pavement quality disease affects the country power of road, and plain asphalt road surface has been unable to satisfy the requirement of Modern Traffic transport service,
Therefore, the application technical research of waste rubber powder modified asphalt has a very important significance.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the defects of the prior art, provide compound rubber powder modified asphalt, energy
It enough improves the toughness of pitch and strengthens the anti-aging property of pitch, composite modified asphalt is made to have higher anti-current dynamic deformation
Ability increases the grasp property of vehicle tyre and road surface, improves driving safety.
In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:
The compound rubber powder modified asphalt of the present invention, comprising the following steps:
A. AH-90 pitch is chosen as base-material；
B. waste and old package plastics of food bag is chosen as auxiliary material；
C. using waste tire as auxiliary material, fine rubber particle rubber powder is fabricated to after tire pulverizer is crushed；
D. the waste and old package plastics of food bag in step B is cut into strip and block by the plastics shear breaker phase and added hydrocarbon
Cleaning agent is cleaned；
E. it will be poured into agitator after AH-90 pitch dewatering and stir and heat；
F. the plastics of the strip and block after over cleaning are poured into after being heated in plastic extruder and are squeezed out, forming partial size is 1-
The sphere plastic particle of 2CM；
G. the sphere plastic particle made in step F is poured into the pitch heated in agitator, is again stirring for and is risen
Temperature；
H. fine rubber particle rubber powder is poured into the agitator that sphere plastic particle is mixed with pitch, and is again stirring for
Heated at constant temperature, then add EVA rubber pange plastics as additive and be mixed evenly again；
I. polypropylene fibre is processed by colloid mill and added to mixture obtained in step H, dripped finally by high speed
Green boxshear apparatus is sheared.
As a preferred technical solution of the present invention, the PE mass fraction ratio in the waste and old package plastics of food bag is
4%。
As a preferred technical solution of the present invention, the bore of the fine rubber particle rubber powder is 40 mesh.
As a preferred technical solution of the present invention, the agitator is JB90-D type powerful motor blender.
As a preferred technical solution of the present invention, the heating temperature in the step E neutralization procedure G is respectively 160
Degree and 200 degree, and 2 hours a length of when heating in step E, when heating in step G, are 1 hour a length of.
As a preferred technical solution of the present invention, the mass fraction of the EVA rubber pange plastics is 15%.
As a preferred technical solution of the present invention, the dehydration AH-90 pitch and fine rubber particle rubber powder, poly- third
The mass ratio of alkene fiber is 10:3:2.5.
The present invention is by with rubber powder and the modified addition EVA rubber pange plastics of PE, gathering using AH-90 pitch as base-material
After tacryl, the response to temperature of pitch is improved, and resistance to flow improves, and the coefficient of viscosity of rubber asphalt is greater than matrix pitch,
It improves the toughness of pitch and strengthens the anti-aging property of pitch, composite modified asphalt is enable to have higher anti-current dynamic deformation
Power increases the grasp property of vehicle tyre and road surface, improves driving safety.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described, it should be understood that preferred embodiment described herein is only used
In the description and interpretation present invention, it is not intended to limit the present invention.
Embodiment 1
The present invention provides compound rubber powder modified asphalt, comprising the following steps:
A. AH-90 pitch is chosen as base-material；
B. waste and old package plastics of food bag is chosen as auxiliary material；
C. using waste tire as auxiliary material, fine rubber particle rubber powder is fabricated to after tire pulverizer is crushed；
D. the waste and old package plastics of food bag in step B is cut into strip and block by the plastics shear breaker phase and added hydrocarbon
Cleaning agent is cleaned；It can prevent remaining spot on waste and old package plastics of food bag from causing chemical reaction to influence pitch.
E. it will be poured into agitator after AH-90 pitch dewatering and stir and heat；
F. the plastics of the strip and block after over cleaning are poured into after being heated in plastic extruder and are squeezed out, forming partial size is 1-
The sphere plastic particle of 2CM；The plastics of strip and block after cleaning form partial size by squeezing out after being heated in plastic extruder
It can quickly be mixed together with AH-90 pitch for the sphere plastic particle of 1-2CM；
G. the sphere plastic particle made in step F is poured into the pitch heated in agitator, is again stirring for and is risen
Temperature；
H. fine rubber particle rubber powder is poured into the agitator that sphere plastic particle is mixed with pitch, and is again stirring for
Heated at constant temperature, then add EVA rubber pange plastics as additive and be mixed evenly again；
I. polypropylene fibre is processed by colloid mill and added to mixture obtained in step H, dripped finally by high speed
Green boxshear apparatus is sheared, and after mixture adds quantitative polypropylene fibre, so that modified pitch is had high ageing resistance, is extended
The service life of modified pitch.
PE mass fraction ratio in waste and old package plastics of food bag is that the high-temperature behavior of 4%, PE rubber powder composite modified asphalt exists
Improve in the scope of experiment that maximum PE volume is 6% with the increase of PE volume, chooses PE mass fraction than the waste and old food for 4%
Product packing plastics bag enable PE particle be preferably scattered in pitch improved without reunion behavior pitch toughness,
And strengthen the anti-aging property of pitch.
The bore of fine rubber particle rubber powder is 40 mesh, and meticulous rubber powder is easy by " digestion " or " oiling " in pitch,
So that rubber asphalt is followed the string too early, therefore, chooses the fine rubber particle rubber powder of 40 mesh, will not be added in AH-90 pitch
Modified pitch is caused to follow the string and toughness after the fine rubber particle rubber powder of 40 mesh.
Agitator is JB90-D type powerful motor blender, can aid in and provides powerful power, makes in blender
AH-90 pitch and fine rubber particle rubber powder, sphere plastic particle, EVA rubber pange plastics are able to carry out full and uniform mix
It is combined.
Heating temperature in step E neutralization procedure G is respectively 160 degree and 200 degree, and a length of 2 small when heating in step E
When, when heating in step G, is 1 hour a length of, in the environment of heating temperature is 160 degree and market is 2 hours, drips AH-90
Blueness dehydration is able to carry out sufficiently fused with the progress of other auxiliary materials after high-temperature heating reacts.
The mass fraction of EVA rubber pange plastics is 15%, and the EVA rubber pange plastics that mass fraction is 15% are added to
In the agitator that fine rubber particle rubber powder, sphere plastic particle are mixed with pitch, the mixture in agitator is enable to have
High viscosity, convenient for this modified asphalt manufacturing at road surface after, extend the service life on road surface.
The mass ratio for being dehydrated AH-90 pitch and fine rubber particle rubber powder, polypropylene fibre is 10:3:2.5, after dehydration
AH-90 pitch, 40 mesh bores fine rubber particle rubber powder and polypropylene fibre carry out mixing within specified temperatures it is molten
It is combined, composite type modified pitch is made to improve the toughness of pitch and strengthens the anti-aging property of pitch, whole mention is added
The high comprehensive performance of rubber asphalt, is more convenient the use of people, softening point improves, and viscosity increases, and extends the pavement usage longevity
Life, after rubber powder and the modified addition EVA rubber pange plastics of PE, polypropylene fibre, the response to temperature of pitch is improved, anti-current
Dynamic property improves, and the coefficient of viscosity of rubber asphalt is greater than matrix pitch, illustrates that modified pitch has higher anti-current dynamic deformation energy
Power increases the grasp property of vehicle tyre and road surface, improves driving safety.
Specifically, choosing AH-90 pitch first as base-material；Waste and old package plastics of food bag is chosen as auxiliary material；With useless
Old tire is auxiliary material, and fine rubber particle rubber powder is fabricated to after tire pulverizer is crushed；By the waste and old food in step B
Product packing plastics bag cuts into strip and block and adds agent for carbon hydrogen detergent and cleaned by the plastics shear breaker phase；It can prevent
Remaining spot causes chemical reaction to influence pitch on waste and old package plastics of food bag, will be poured into after AH-90 pitch dewatering
It stirs and heats in agitator；
The plastics of strip and block after over cleaning are poured into after being heated in plastic extruder and are squeezed out, forming partial size is 1-
The sphere plastic particle of 2CM；The plastics of strip and block after cleaning form partial size by squeezing out after being heated in plastic extruder
It can quickly be mixed together with AH-90 pitch for the sphere plastic particle of 1-2CM；It is spherical by what is made in step F
Plastic grain is poured into the pitch heated in agitator, is again stirring for and is heated up；Fine rubber particle rubber powder is poured into
It in the agitator mixed to sphere plastic particle with pitch, and carries out being again stirring for heated at constant temperature, then adds the modeling of EVA rubber pange
Material is mixed evenly again as additive；Mixture obtained in step H is processed and added by colloid mill
Addition polymerization tacryl is sheared finally by high speed pitch boxshear apparatus, by the essence of dewatered AH-90 pitch, 40 mesh bores
Thin rubbery granule rubber powder and polypropylene fibre carry out mixing within specified temperatures indissoluble, make composite type modified pitch
It improves the toughness of pitch and strengthens the anti-aging property of pitch, the comprehensive performance for being integrally improved rubber asphalt is added, more
Convenient for people to use, softening point improves, and viscosity increases, and extends service life of road surface, with rubber powder and the modified addition EVA of PE
After rubber pange plastics, polypropylene fibre, the response to temperature of pitch is improved, and resistance to flow improves, the viscosity system of rubber asphalt
Number be greater than matrix pitch, improve the toughness of pitch and strengthen the anti-aging property of pitch, illustrate modified pitch have compared with
High anti-flow deformation ability increases the grasp property of vehicle tyre and road surface, improves driving safety.
The present invention is by with rubber powder and the modified addition EVA rubber pange plastics of PE, gathering using AH-90 pitch as base-material
After tacryl, the response to temperature of pitch is improved, and resistance to flow improves, and the coefficient of viscosity of rubber asphalt is greater than matrix pitch,
It improves the toughness of pitch and strengthens the anti-aging property of pitch, composite modified asphalt is enable to have higher anti-current dynamic deformation
Power increases the grasp property of vehicle tyre and road surface, improves driving safety.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
It is all in spirit of the invention and it is auxiliary then within, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (7)
1. compound rubber powder modified asphalt, which comprises the following steps:
A. AH-90 pitch is chosen as base-material；
B. waste and old package plastics of food bag is chosen as auxiliary material；
C. using waste tire as auxiliary material, fine rubber particle rubber powder is fabricated to after tire pulverizer is crushed；
D. the waste and old package plastics of food bag in step B is cut into strip and block by the plastics shear breaker phase and added hydrocarbon
Cleaning agent is cleaned；
E. it will be poured into agitator after AH-90 pitch dewatering and stir and heat；
F. the plastics of the strip and block after over cleaning are poured into after being heated in plastic extruder and are squeezed out, forming partial size is 1-
The sphere plastic particle of 2CM；
G. the sphere plastic particle made in step F is poured into the pitch heated in agitator, is again stirring for and is risen
Temperature；
H. fine rubber particle rubber powder is poured into the agitator that sphere plastic particle is mixed with pitch, and is again stirring for
Heated at constant temperature, then add EVA rubber pange plastics as additive and be mixed evenly again；
I. polypropylene fibre is processed by colloid mill and added to mixture obtained in step H, dripped finally by high speed
Green boxshear apparatus is sheared.
2. compound rubber powder modified asphalt according to claim 1, which is characterized in that the waste and old package plastics of food bag
In PE mass fraction ratio be 4%.
3. compound rubber powder modified asphalt according to claim 1, which is characterized in that the fine rubber particle rubber powder
Bore is 40 mesh.
4. compound rubber powder modified asphalt according to claim 1, which is characterized in that the agitator is that JB90-D type is strong
Power electric blender.
5. compound rubber powder modified asphalt according to claim 1, which is characterized in that in the step E neutralization procedure G
Heating temperature is respectively 160 degree and 200 degree, and 2 hours a length of when heating in step E, and a length of 1 is small when heating in step G
When.
6. compound rubber powder modified asphalt according to claim 5, which is characterized in that the EVA rubber pange plastics
Mass fraction is 15%.
7. compound rubber powder modified asphalt according to claim 1, which is characterized in that the dehydration AH-90 pitch and essence
Thin rubbery granule rubber powder, polypropylene fibre mass ratio be 10:3:2.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811080798.XA CN109294251A (en) | 2018-09-17 | 2018-09-17 | Compound rubber powder modified asphalt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811080798.XA CN109294251A (en) | 2018-09-17 | 2018-09-17 | Compound rubber powder modified asphalt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109294251A true CN109294251A (en) | 2019-02-01 |
Family
ID=65163235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811080798.XA Pending CN109294251A (en) | 2018-09-17 | 2018-09-17 | Compound rubber powder modified asphalt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109294251A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113604061A (en) * | 2021-07-30 | 2021-11-05 | 海南恒建沥青路面有限公司 | Anti-cracking asphalt and preparation method thereof |
| CN117801400A (en) * | 2024-02-23 | 2024-04-02 | 安徽省交通规划设计研究总院股份有限公司 | Preparation method of high-elastic colloid material for pavement transition layer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0370785A (en) * | 1989-08-10 | 1991-03-26 | Nippon Petrochem Co Ltd | Tacky waterproof sheet and waterproof structure using thereof |
| CN1528823A (en) * | 2003-09-26 | 2004-09-15 | 沈阳三鑫公路工程有限公司 | Method for preparing waste rubber-powder modified asphalt |
| CN101812234A (en) * | 2010-04-16 | 2010-08-25 | 湖南路桥路翔工程有限公司 | Waste rubber powder/waste plastics/SBS composite modified asphalt and preparation method thereof |
-
2018
- 2018-09-17 CN CN201811080798.XA patent/CN109294251A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0370785A (en) * | 1989-08-10 | 1991-03-26 | Nippon Petrochem Co Ltd | Tacky waterproof sheet and waterproof structure using thereof |
| CN1528823A (en) * | 2003-09-26 | 2004-09-15 | 沈阳三鑫公路工程有限公司 | Method for preparing waste rubber-powder modified asphalt |
| CN101812234A (en) * | 2010-04-16 | 2010-08-25 | 湖南路桥路翔工程有限公司 | Waste rubber powder/waste plastics/SBS composite modified asphalt and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 水利水电工程施工实用手册编委会: "《建筑材料与检测》", 31 December 2017, 中国环境出版社 * |
| 王秀芳 等: "聚丙烯纤维改善沥青混合料路用性能研究", 《山东交通科技》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113604061A (en) * | 2021-07-30 | 2021-11-05 | 海南恒建沥青路面有限公司 | Anti-cracking asphalt and preparation method thereof |
| CN117801400A (en) * | 2024-02-23 | 2024-04-02 | 安徽省交通规划设计研究总院股份有限公司 | Preparation method of high-elastic colloid material for pavement transition layer |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190201 |
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| RJ01 | Rejection of invention patent application after publication |