CN109266027A - Reclaimed rubber modified pitch - Google Patents
Reclaimed rubber modified pitch Download PDFInfo
- Publication number
- CN109266027A CN109266027A CN201811080310.3A CN201811080310A CN109266027A CN 109266027 A CN109266027 A CN 109266027A CN 201811080310 A CN201811080310 A CN 201811080310A CN 109266027 A CN109266027 A CN 109266027A
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- China
- Prior art keywords
- pitch
- parts
- modified pitch
- reclaimed rubber
- rubber modified
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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
- C08L2205/02—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
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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)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses reclaimed rubber modified pitch, it is prepared by each component of following mass percent, 55 parts of matrix pitches, 24 parts of rubber powders, 1 part of sulphur powder, 1 part of surfactant, 3 parts of emulsifiers, 1 part of modifying agent and 15 parts of distilled water, matrix pitch include the high rich bi tumenf orr oad of oil in 35 parts of No. 70 ESSO bi tumenf orr oads and 20 parts No. 70.The present invention in modified pitch by being added sulphur powder, so as to avoid rubber powder from forming sinkage after cross-linking using sulphur powder, simultaneously by the way that modifying agent is added in modified pitch, plural stiffness modulus and low-temperature bending creep stiffness are sheared before its dynamic can be increased, it is effectively improved the high temperature performance of modified pitch, it is added in pitch and is reacted by using the rubber powder that fineness is 40 mesh, it is best to the improvement of temperature susceptibility for asphalt.
Description
Technical field
The present invention relates to modified pitch, in particular to reclaimed rubber modified pitch.
Background technique
It is well known that pitch is answered by the dark brown that the hydrocarbon and its non metallic derivatives of different molecular weight form
Miscellaneous mixture is one kind of high viscosity organic liquid, is in a liquid state that surface is in black, dissolves in carbon disulfide, and pitch is a kind of anti-
Water is moisture-proof and corrosion-resistant organic cementitious material, rubber asphalt are waste tire protoplasm to be first processed into rubber powder, then press one
Fixed thickness gradation ratio is combined, while adding a variety of high polymer modifying agent, and under the hot conditions fully mixed,
The cementing material of modified pitch formed after being reacted with the abundant swell of matrix pitch, and there are two the main applications of road rubber asphalt
Aspect: first is that being used for rubber asphalt concrete, second is that being used for rubber asphalt stress absorbing layer, the superiority and inferiority of rubber asphalt performance is not only
Depending on the performance of its raw material, and closely related with its preparation process, rubber powder in pitch reaction by many factors
Influence, different factors effect under rubber asphalt have different performances.
With the continuous improvement of our people's living standard and the fast development of auto industry, the increasing of social car ownership
Long speed is getting faster, and the waste tire of automobile largely accumulated also necessarily becomes social effects of pollution, and waste tire is prepared into rubber powder, can
It to realize that resource makes full use of, reduces environmental pollution, keeps economic harmonious green and healthy development, the development of waste Crumb rubber pitch
Wet process is improved from dry method, early stage wet process to the country, the preparation of rubber powder modified asphalt is then arrived, is a continuous development process, give up
The development of rubber powder and asphalt improves wet process from dry method, early stage wet process to the country, then arrives the preparation of rubber powder modified asphalt, is one
Continuous development process, anti-aging property and anti-fatigue performance are generally better than plain asphalt mixture, or even in some aspects also
Better than other modified asphalt mixtures.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the defects of the prior art, provide reclaimed rubber modified pitch.
In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:
Reclaimed rubber modified pitch of the present invention, is prepared by each component of following mass percent, 55 parts of matrix pitches,
24 parts of rubber powders, 1 part of sulphur powder, 1 part of surfactant, 3 parts of emulsifiers, 1 part of modifying agent and 15 parts of distilled water；
The matrix pitch includes the high rich road petroleum drip of oil in 35 parts of No. 70 ESSO bi tumenf orr oads and 20 parts No. 70
It is green.
As a preferred technical solution of the present invention, the rubber powder is 40 mesh truck tire rubber powders.
As a preferred technical solution of the present invention, the surfactant is in carboxylate, sulfate and quaternary ammonium salt
One or more mixing.
As a preferred technical solution of the present invention, the emulsifier is alkyl Pluronic F-127 ether, polyoxyethylene ether
In one or more mixing.
As a preferred technical solution of the present invention, the modifying agent is one or more mixed in PE, GMS and WD-4
It closes.
As a preferred technical solution of the present invention, the reclaimed rubber modified pitch is made by the following method:
A. matrix pitch is heated to 190 DEG C to hot melt state；
B. distilled water is heated to 55 DEG C, surfactant, emulsifier and modifying agent is incorporated in distilled water, soap is configured to
Liquid, and emulsification soap lye is made by colloid mill emulsifying device；
C. uniform stirring is carried out to the pitch under hot melt state, while rubber powder is slowly added in pitch, then by sulphur powder
It is added in pitch, and the stirring that remains a constant speed, mixing time is 2 hours；
D. emulsification soap lye is slowly added in the pitch of molten condition again, while high-speed stirred is carried out to pitch, it is to be emulsified
Soap lye continues high-speed stirred 40 minutes again after being all added；
E. to get to a reclaimed rubber modified pitch after pitch is cooling.
Compared with prior art, beneficial effects of the present invention are as follows:
The present invention in modified pitch by being added sulphur powder, so as to avoid rubber powder from forming sinking after cross-linking using sulphur powder
Phenomenon, while by the way that modifying agent is added in modified pitch, it is possible to increase plural stiffness modulus and low-temperature bending are sheared before its dynamic
Creep stiffness is effectively improved the high temperature performance of modified pitch, by using fineness be 40 mesh rubber powder be added pitch in into
Row reaction, it is best to the improvement of temperature susceptibility for asphalt.
Specific embodiment
Preferred embodiment of the invention below is illustrated, it should be understood that preferred embodiment described herein is only used for
The description and interpretation present invention, is not intended to limit the present invention.
Embodiment 1
The present invention provides reclaimed rubber modified pitch, is prepared by each component of following mass percent, 55 parts of matrix
Pitch, 24 parts of rubber powders, 1 part of sulphur powder, 1 part of surfactant, 3 parts of emulsifiers, 1 part of modifying agent and 15 parts of distilled water；
Above-mentioned matrix pitch includes the high rich road petroleum drip of oil in 35 parts of No. 70 ESSO bi tumenf orr oads and 20 parts No. 70
It is green.
Above-mentioned rubber powder is 40 mesh truck tire rubber powders.
Above-mentioned surfactant is one or more mixing in carboxylate, sulfate and quaternary ammonium salt.
Mentioned emulsifier is alkyl Pluronic F-127 ether, one or more mixing in polyoxyethylene ether.
Above-mentioned modifying agent is one or more mixing in PE, GMS and WD-4.
Above-mentioned reclaimed rubber modified pitch is made by the following method.
Specifically, the present invention tests influence of the sulphur volume to rubber asphalt viscosity, ceteris paribus is being kept, sulphur is in rubber
Play a part of viscosity reduction, stabilizer in glue pitch, the temperature sensitivity of rubber asphalt increases with sulphur volume and is deteriorated, and viscosity is with sulphur
Volume increases in convex curve rule, and when sulphur volume is 1%, viscosity reaches peak value, test result such as following table,
In process for preparation of the invention, user will be oily in 35 parts of No. 70 ESSO bi tumenf orr oads and 20 parts No. 70
High richness bi tumenf orr oad is added to heating tank, 40 mesh truck tire rubber powders and sulphur powder is added to heating tank, to heating
Pitch, rubber powder in tank and sulphur powder carry out it is preliminary be slowly stirred, then heating tank is heated, during heating, to drip
Blueness is at the uniform velocity stirred, and mixing time is 2 hours, is mixed and made into table for one or more in carboxylate, sulfate and quaternary ammonium salt
Face activating agent is being hybridly prepared into emulsifier for one or more in alkyl Pluronic F-127 ether, polyoxyethylene ether, by PE, GMS
It is mixed and made into modifying agent with one or more in WD-4, distilled water is heated to 55 DEG C, by surfactant, emulsifier and modification
Agent incorporates in distilled water, is configured to soap lye, and emulsification soap lye is made by colloid mill emulsifying device, prepared emulsification soap lye falls
Enter in heating tank, carry out high-speed stirred, mixing time is 40 minutes, and after completion of stirring, pitch is cooled down, can be obtained
A reclaimed rubber modified pitch, such as needs to save pitch, and need to maintain pitch storage temperature is 130-140 DEG C.
Compared with prior art, beneficial effects of the present invention are as follows:
The present invention in modified pitch by being added sulphur powder, so as to avoid rubber powder from forming sinking after cross-linking using sulphur powder
Phenomenon, while by the way that modifying agent is added in modified pitch, it is possible to increase plural stiffness modulus and low-temperature bending are sheared before its dynamic
Creep stiffness is effectively improved the high temperature performance of modified pitch, by using fineness be 40 mesh rubber powder be added pitch in into
Row reaction, it is best to the improvement of temperature susceptibility for asphalt.
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.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (6)
1. reclaimed rubber modified pitch, which is characterized in that be prepared by each component of following mass percent, 55 parts of matrix drips
Blueness, 24 parts of rubber powders, 1 part of sulphur powder, 1 part of surfactant, 3 parts of emulsifiers, 1 part of modifying agent and 15 parts of distilled water；
The matrix pitch includes the high rich bi tumenf orr oad of oil in 35 parts of No. 70 ESSO bi tumenf orr oads and 20 parts No. 70.
2. reclaimed rubber modified pitch according to claim 1, which is characterized in that the rubber powder is 40 mesh truck tires
Rubber powder.
3. reclaimed rubber modified pitch according to claim 1, which is characterized in that the surfactant be carboxylate,
One or more mixing in sulfate and quaternary ammonium salt.
4. reclaimed rubber modified pitch according to claim 1, which is characterized in that the emulsifier is alkyl polycyclic oxygen second
One or more mixing in alkene ether, polyoxyethylene ether.
5. reclaimed rubber modified pitch according to claim 1, which is characterized in that the modifying agent is PE, GMS and WD-4
In one or more mixing.
6. reclaimed rubber modified pitch according to claim 1, which is characterized in that the reclaimed rubber modified pitch passes through
Following method is made:
A. matrix pitch is heated to 190 DEG C to hot melt state；
B. distilled water is heated to 55 DEG C, surfactant, emulsifier and modifying agent is incorporated in distilled water, soap lye is configured to,
And emulsification soap lye is made by colloid mill emulsifying device；
C. uniform stirring is carried out to the pitch under hot melt state, while rubber powder is slowly added in pitch, then sulphur powder is added
In pitch, and the stirring that remains a constant speed, mixing time are 2 hours；
D. emulsification soap lye is slowly added in the pitch of molten condition again, while high-speed stirred, soap lye to be emulsified is carried out to pitch
Continue high-speed stirred 40 minutes again after being all added；
E. to get to a reclaimed rubber modified pitch after pitch is cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811080310.3A CN109266027A (en) | 2018-09-17 | 2018-09-17 | Reclaimed rubber modified pitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811080310.3A CN109266027A (en) | 2018-09-17 | 2018-09-17 | Reclaimed rubber modified pitch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109266027A true CN109266027A (en) | 2019-01-25 |
Family
ID=65189510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811080310.3A Pending CN109266027A (en) | 2018-09-17 | 2018-09-17 | Reclaimed rubber modified pitch |
Country Status (1)
| Country | Link |
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| CN (1) | CN109266027A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113248728A (en) * | 2021-04-02 | 2021-08-13 | 西安博望新材料科技有限公司 | Waste rubber powder modified asphalt emulsifier and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101173106A (en) * | 2007-09-30 | 2008-05-07 | 江苏博特新材料有限公司 | Rubber powder-asphalt emulsion for concrete asphalt mortar and method for producing the same |
| CN101205382A (en) * | 2006-12-21 | 2008-06-25 | 上海群康沥青科技有限公司 | Rubber asphalt composition |
| CN103289105A (en) * | 2013-05-09 | 2013-09-11 | 东南大学 | Method for preparing emulsified rubber asphalt |
| CN108219489A (en) * | 2018-01-08 | 2018-06-29 | 深圳市东进技术服务有限公司 | A kind of asphalt pavement conserving patching material and preparation method thereof |
-
2018
- 2018-09-17 CN CN201811080310.3A patent/CN109266027A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101205382A (en) * | 2006-12-21 | 2008-06-25 | 上海群康沥青科技有限公司 | Rubber asphalt composition |
| CN101173106A (en) * | 2007-09-30 | 2008-05-07 | 江苏博特新材料有限公司 | Rubber powder-asphalt emulsion for concrete asphalt mortar and method for producing the same |
| CN103289105A (en) * | 2013-05-09 | 2013-09-11 | 东南大学 | Method for preparing emulsified rubber asphalt |
| CN108219489A (en) * | 2018-01-08 | 2018-06-29 | 深圳市东进技术服务有限公司 | A kind of asphalt pavement conserving patching material and preparation method thereof |
Non-Patent Citations (8)
| Title |
|---|
| 傅水龙主编: "《建筑施工项目经理手册》", 31 January 2002, 江西科学技术出版社 * |
| 吕伟民编著: "《沥青混合料设计原理与方法》", 31 January 2001, 同济大学出版社 * |
| 孙玉浩: ""高掺量橡胶改性沥青性能评价及混合料设计技术"", 《中国优秀硕士学位论文全文数据库 工程科技II辑》 * |
| 孙立军编: "《沥青路面结构行为学》", 31 May 2013, 同济大学出版社 * |
| 杨医博等主编: "《土木工程材料》", 31 December 2016, 华南理工大学出版社 * |
| 汪绯主编: "《工程材料》", 31 July 2003, 高等教育出版社 * |
| 王菲等: ""橡胶粉改性沥青最佳掺量研究"", 《河南科技》 * |
| 罗妮: ""废橡胶粉及废橡胶粉复合改性沥青的性能研究"", 《湖南交通科技》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113248728A (en) * | 2021-04-02 | 2021-08-13 | 西安博望新材料科技有限公司 | Waste rubber powder modified asphalt emulsifier and preparation method thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190125 |
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| RJ01 | Rejection of invention patent application after publication |