CN106519718A - High-modulus asphalt additive - Google Patents
High-modulus asphalt additive Download PDFInfo
- Publication number
- CN106519718A CN106519718A CN201611005676.5A CN201611005676A CN106519718A CN 106519718 A CN106519718 A CN 106519718A CN 201611005676 A CN201611005676 A CN 201611005676A CN 106519718 A CN106519718 A CN 106519718A
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- Prior art keywords
- maleic anhydride
- additive
- asphalt
- waste
- parts
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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
- 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
- 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
-
- 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
- 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
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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
The invention relates to a high-modulus asphalt additive, prepared from, by weight, 1-10 parts of SBS (styrene butadiene styrene), 20-40 parts of waste PP (polypropylene), 20-40 parts of waste PE (polyethylene), 10-30 parts of waste rubber powder, 1-5 parts of glass fiber, 4-8 parts of a compatibilizer, and 1-3 parts of an aid. The compatibilizer is a mixture of maleic acid grafted SBS, maleic acid grafted polypropylene and maleic acid grafted polyethylene. The additive containing various waste polymer ingredients is low in cost and effective for asphalt modification, may be used to modify asphalt to produce high-modulus asphalt, is high in anti-rutting capacity, and is applicable to high-grade highway pavements.
Description
Technical field
The invention belongs to asphalt modifier field, is related to a kind of high-modulus asphalt additive.
Background technology
Bituminous paving has the advantages that smooth seamless, driving are comfortable, noise is low, simple maintenance, in China at a high speed
Modal road surface types in highway, but in actual use, due to the continuous improvement of vehicle speed, the day of traffic flow
Increasingly the ratio of big and vehicle heavy duty even super-heavy load is continuously increased, and causes many highway pavements to occur in that than more serious damage
Phenomenon, such as rut, cracking, peeling, pit etc., greatly reduce the performance of road, and wherein rut is more serious broken
Bad form.Trace it to its cause, there is the high and low temperature resistance of road asphalt itself decision to affect.High temperature and cryogenic property are all in recent years
Good high-modulus asphalt investigation of materials is more, and which regards solution China's bituminous paving Heavy Traffic and abrupt slope pavement track of growing up as
The problems such as important engineering material, the Performance Characteristics research to high-modulus asphalt and its compound is a focus.
High-modulus asphalt can be obtained by following technological approaches：1) use hard grades of bitumen.The height of high-grade asphalt mixture
Very well, but its high-temperature behavior is good, low temperature properties are poor for warm rutting resistance, and the production technology of hard grades of bitumen is complex, it is difficult to
Large-scale promotion and application.2) add dystectic bitumen.High-melting-point bitumen is that a kind of natural solid is hydrocarbon
Compound, is formed previously prepared binder, but also can be directly added in compound with powder in may be combined in Colophonium,
Its bearing capacity and durability are improved, but bitumen reserves are limited also to affect its large-scale promotion application.3) add modified
Agent.Modifying agent refers to the natural or people's organic or inorganic material added in Colophonium or asphalt.Modifying agent is added to
High-modulus asphalt can be prepared in Colophonium.Due to hard grades of bitumen complex manufacturing and the reason such as bitumen reserves are limited,
Three kinds of methods are usually used.
A kind of high-modulus asphalt modifying agent (ZL201310049508.6) of Chinese patent discloses a kind of high-modulus asphalt and changes
Property agent, Main Components include waste or used plastics and various auxiliary agents, and the modified effect of Colophonium is projected；A kind of high-moduluss drip of Chinese patent
Blue or green concrete additive (ZL201310006664.4) discloses a kind of additive formulations, including waste polyethylene, polypropylene, second
Acetoacetic ester and adjuvant, the additive is easy to use, cheap, stable performance, can improve the Rut resistance of asphalt
Energy, low-temperature cracking-resistance, water stability and anti-fatigue performance.
Based on this, the present invention Colophonium is modified using composition polymer additive, prepare high-temperature behavior protrusion, it is durable
Property and low temperature performance well high-modulus asphalt, improve bituminous paving rutting resistance.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of high-modulus asphalt additive, the additive
Comprising various waste polymer compositions, low cost is good to asphalt modification effect, and high-modulus asphalt can be obtained with its modified pitch,
With stronger rutting resistance, high grade highway pavement is can be applicable to.
To realize object above, the technical solution used in the present invention is：
A kind of high-modulus asphalt additive, each component and its weight portion it is as follows：
The compatilizer is Maleic anhydride-containg polyethylene, maleic anhydride inoculated polypropylene and maleic anhydride grafted polyethylene
Mixture, one or more mixture of the auxiliary agent for lubricant, surfactant, antioxidant, plasticizer.
The percent grafting of the Maleic anhydride-containg polyethylene, maleic anhydride inoculated polypropylene and maleic anhydride grafted polyethylene is equal
For 1%.
The glass fibre is short glass fiber, and the length of the glass fibre is less than 1mm.
The shoddy is waste tyre rubber powder, and the particle size range of the shoddy is 60～200 mesh.
The lubricant is useless gear oil.
The surfactant is silane coupler, one kind of titanate coupling agent.
The antioxidant is 2,6- three-level butyl -4- methylphenols, double (3,5- three-level butyl -4- hydroxy phenyls) thioethers
It is a kind of.
The plasticizer is dibutyl phthalate, one kind of dioctyl phthalate.
Present invention also offers a kind of preparation method of high-modulus asphalt additive, comprises the steps：
(1) by SBS, waste PP, waste and old PE, shoddy, compatilizer and various auxiliary agent precises, sequentially add stirring dress
In putting, under room temperature, 10min is stirred, compound is obtained；
(2) glass fibre will be added in compound, 1min is stirred, then using double screw extruder extruding pelletization, is obtained
High-modulus asphalt additive pellet.
Beneficial effects of the present invention：
(1) additive of the present invention is good to asphalt modification effect, high-modulus asphalt can be obtained with its modified pitch, with stronger
Rutting resistance, can be applicable to high grade highway pavement；
(2) contain various compatilizers in additive component of the present invention, increased polymer and matrix pitch in additive
The compatibility, is conducive to additive dispersed in matrix pitch, improves the stability of Colophonium；
(3) additive of the present invention includes glass fibre, can lift the mechanical property of Colophonium；
(4) additive Main Components of the present invention are plastic refuse, cheap, and profit again can be carried out to plastic refuse
With；
(5) additive preparation process is simple of the present invention, is easy to industrialization.
Specific embodiment
In order that technical problem solved by the invention, technical scheme and beneficial effect become more apparent, below in conjunction with
Embodiment, the present invention is further illustrated.It should be appreciated that embodiment described herein is used only for explaining the present invention,
It is not intended to limit the present invention.
Embodiment 1
A kind of high-modulus asphalt additive, each component and its weight portion it is as follows：
SBS 5Kg,
Waste PP 30Kg,
Waste and old PE 30Kg,
Shoddy 25Kg,
Glass fibre 3Kg,
Maleic anhydride-containg polyethylene 1Kg,
Maleic anhydride inoculated polypropylene 2Kg,
Maleic anhydride grafted polyethylene 2Kg,
Useless gear oil 0.5Kg,
Silane coupler 0.1Kg,
2,6- three-level butyl -4- methylphenol 0.5Kg,
Dioctyl phthalate 0.9Kg,
The preparation method of the present embodiment high-modulus asphalt additive comprises the steps：
(1) by SBS, waste PP, waste and old PE, shoddy and other compatilizers and various auxiliary agent precises, sequentially add
In agitating device, under room temperature, 10min is stirred, compound is obtained；
(2) glass fibre will be added in compound, 1min is stirred, then using double screw extruder extruding pelletization, is obtained
High-modulus asphalt additive pellet.
In order to verify the performance of the high-modulus asphalt additive of the preparation of embodiment 1, the softening point of additive is tested, softened
The height of point embodies modification power of the additive to the rutting resistance of Colophonium, the modified effect of high-moduluss of the bigger Colophonium of softening point
Fruit is better, and the softening point of the present embodiment additive is 87.2, it was demonstrated that its high-moduluss performance is good.And adopt height manufactured in the present embodiment
Modulus asphalt additive is added in asphalt according to asphalt gross mass 0.4%, carries out asphalt dynamic
Modulus test, result of the test show：Add additive improve dynamic moduluss 47%.It can be seen that, Gao Mo manufactured in the present embodiment
Amount asphalt additive low cost, it is good to asphalt modification effect, high-modulus asphalt can be obtained with its modified pitch, resists with stronger
Rut ability.
Embodiment 2
A kind of high-modulus asphalt additive, each component and its weight portion it is as follows：
SBS 3Kg,
Waste PP 35Kg,
Waste and old PE 35Kg,
Shoddy 13Kg,
Glass fibre 5Kg,
Maleic anhydride-containg polyethylene 1Kg,
Maleic anhydride inoculated polypropylene 3Kg,
Maleic anhydride grafted polyethylene 3Kg,
Silane coupler 0.2Kg,
2,6- three-level butyl -4- methylphenol 0.8Kg,
Dioctyl phthalate 1Kg,
The preparation method of the present embodiment high-modulus asphalt additive is with embodiment 1.
Softening point is tested to high-modulus asphalt additive prepared by embodiment 2, is 82.1, it was demonstrated that its high-moduluss performance
It is good.And it is mixed to be added to Colophonium according to asphalt gross mass 0.4% using high-modulus asphalt additive manufactured in the present embodiment
Close in material, carry out Dynamic Modulus of Asphalt Mixture test, add additive improve dynamic moduluss 40%.
Embodiment 3
A kind of high-modulus asphalt additive, each component and its weight portion it is as follows：
SBS 10Kg,
Waste PP 25Kg,
Waste and old PE 20Kg,
Shoddy 30Kg,
Glass fibre 5Kg,
Maleic anhydride-containg polyethylene 2Kg,
Maleic anhydride inoculated polypropylene 2Kg,
Maleic anhydride grafted polyethylene 2Kg,
Silane coupler 0.2Kg,
Double (3,5- three-level butyl -4- hydroxy phenyls) thioether 0.8Kg,
Dioctyl phthalate 2Kg,
The preparation method of the present embodiment high-modulus asphalt additive is with embodiment 1.
Softening point is tested to high-modulus asphalt additive prepared by embodiment 3, more than 90, it was demonstrated that its high-moduluss performance
It is good.And it is mixed to be added to Colophonium according to asphalt gross mass 0.4% using high-modulus asphalt additive manufactured in the present embodiment
Close in material, carry out Dynamic Modulus of Asphalt Mixture test, add additive improve dynamic moduluss 51%.
Above-described embodiment is only one of presently preferred embodiments of the present invention, is not limited the scope of the invention with this, therefore：
The equivalence changes done by all structures under this invention, shape, principle, all should be covered by within protection scope of the present invention.
Claims (3)
1. a kind of high-modulus asphalt additive, it is characterised in that each component and its weight portion are as follows：
Mixing of the compatilizer for Maleic anhydride-containg polyethylene, maleic anhydride inoculated polypropylene and maleic anhydride grafted polyethylene
Thing,
One or more mixture of the auxiliary agent for lubricant, surfactant, antioxidant, plasticizer.
2. high-modulus asphalt additive according to claim 1, it is characterised in that the Maleic anhydride-containg polyethylene, Malaysia
The percent grafting of anhydride-grafted polypropylene and maleic anhydride grafted polyethylene is 1%.
3. the preparation method of the high-modulus asphalt additive described in a kind of claim 1, it is characterised in that comprise the steps：
(1) by SBS, waste PP, waste and old PE, shoddy, compatilizer and various auxiliary agent precises, sequentially add agitating device
In, 10min is stirred under room temperature, compound is obtained；
(2) glass fibre will be added in compound, 1min is stirred, then using double screw extruder extruding pelletization, Gao Mo is obtained
Amount asphalt additive pellet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611005676.5A CN106519718A (en) | 2016-11-11 | 2016-11-11 | High-modulus asphalt additive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611005676.5A CN106519718A (en) | 2016-11-11 | 2016-11-11 | High-modulus asphalt additive |
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| Publication Number | Publication Date |
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| CN106519718A true CN106519718A (en) | 2017-03-22 |
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ID=58353215
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| CN201611005676.5A Pending CN106519718A (en) | 2016-11-11 | 2016-11-11 | High-modulus asphalt additive |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107216665A (en) * | 2017-07-24 | 2017-09-29 | 广东诚泰投资有限公司 | A kind of modified pitch and preparation method thereof |
| CN109777134A (en) * | 2019-01-31 | 2019-05-21 | 武汉市市政建设集团有限公司 | A kind of high-modulus warm-mixed asphalt additive and its preparation method and application |
| CN109971194A (en) * | 2019-04-17 | 2019-07-05 | 许昌金欧特沥青股份有限公司 | A kind of high-modulus rubber asphalt and preparation method thereof |
| CN110183862A (en) * | 2019-05-17 | 2019-08-30 | 江苏瑞沃建设集团有限公司 | A kind of high-modulus modified pitch and preparation method thereof |
| CN112920612A (en) * | 2021-01-25 | 2021-06-08 | 贵州中路交通技术有限公司 | High modulus asphalt additive and preparation process thereof |
| CN116278226A (en) * | 2023-03-23 | 2023-06-23 | 北京宇阳泽丽防水材料有限责任公司 | Ageing-resistant modified asphalt waterproof coiled material and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107216665A (en) * | 2017-07-24 | 2017-09-29 | 广东诚泰投资有限公司 | A kind of modified pitch and preparation method thereof |
| CN109777134A (en) * | 2019-01-31 | 2019-05-21 | 武汉市市政建设集团有限公司 | A kind of high-modulus warm-mixed asphalt additive and its preparation method and application |
| CN109777134B (en) * | 2019-01-31 | 2021-02-09 | 武汉市市政建设集团有限公司 | High-modulus warm mix asphalt additive and preparation method and application thereof |
| CN109971194A (en) * | 2019-04-17 | 2019-07-05 | 许昌金欧特沥青股份有限公司 | A kind of high-modulus rubber asphalt and preparation method thereof |
| CN110183862A (en) * | 2019-05-17 | 2019-08-30 | 江苏瑞沃建设集团有限公司 | A kind of high-modulus modified pitch and preparation method thereof |
| CN112920612A (en) * | 2021-01-25 | 2021-06-08 | 贵州中路交通技术有限公司 | High modulus asphalt additive and preparation process thereof |
| CN116278226A (en) * | 2023-03-23 | 2023-06-23 | 北京宇阳泽丽防水材料有限责任公司 | Ageing-resistant modified asphalt waterproof coiled material and preparation method thereof |
| CN116278226B (en) * | 2023-03-23 | 2023-11-21 | 北京宇阳泽丽防水材料有限责任公司 | Ageing-resistant modified asphalt waterproof coiled material and preparation method thereof |
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