CN110982285A - Low-temperature asphalt composition - Google Patents
Low-temperature asphalt composition Download PDFInfo
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- CN110982285A CN110982285A CN201911197369.5A CN201911197369A CN110982285A CN 110982285 A CN110982285 A CN 110982285A CN 201911197369 A CN201911197369 A CN 201911197369A CN 110982285 A CN110982285 A CN 110982285A
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- asphalt composition
- temperature asphalt
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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
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- 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
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- 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
- C08K2201/005—Additives being defined by their particle size in general
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- 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)
- Road Paving Structures (AREA)
Abstract
The invention provides a low-temperature asphalt composition which comprises the following raw materials in parts by weight: matrix asphalt: 100 parts of a composite modifier: 1-3 parts of a compatilizer: 0.1-0.15 parts of furan resin: 10-15 parts of rosin resin: 5-8 parts of porous glass microspheres: 2-6 parts of silicon micropowder: 2-6 parts of carbon fiber: 3-7 parts of an anti-aging agent: 0.5-1 part. The low-temperature asphalt composition has excellent low-temperature performance.
Description
Technical Field
The invention relates to the technical field of asphalt, and particularly relates to a low-temperature asphalt composition.
Background
The asphalt is a black-brown complex mixture composed of hydrocarbons with different molecular weights and nonmetal derivatives thereof, is one of high-viscosity organic liquids, is in a liquid state, has a black surface, and is soluble in carbon disulfide. The asphalt can be classified into coal tar asphalt, petroleum asphalt and natural asphalt. Among them, coal tar pitch is a by-product of coking, petroleum pitch is a residue after crude oil distillation, and natural pitch is stored underground, and some forms a mineral layer or is accumulated on the surface of the earth crust. The asphalt is mainly used in the industries of paint, plastics, rubber and the like and pavement and the like. Asphalt in the prior art is poor in low-temperature performance, easy to crack under the influence of low temperature when being paved on a pavement in a cold area, poor in mechanical strength and poor in stability.
Disclosure of Invention
In view of the above problems, the present invention provides a low-temperature asphalt composition having excellent low-temperature properties.
In order to achieve the purpose, the invention is solved by the following technical scheme:
the low-temperature asphalt composition comprises the following components in parts by weight:
matrix asphalt: 100 portions of
Compound modifier: 1 to 3 portions of
A compatilizer: 0.1 to 0.15 portion
Furan resin: 10 to 15 portions of
Rosin resin: 5 to 8 portions of
Porous glass microspheres: 2 to 6 portions of
Silicon micropowder: 2 to 6 portions of
Carbon fiber: 3 to 7 portions of
Anti-aging agent: 0.5-1 part.
Specifically, the composite modifier is a mixture consisting of SBS and EVA.
Specifically, the mass ratio of SBS to EVA is 1: 0.06-0.1.
Specifically, the anti-aging agent is a mixture of polyethylene glycol and phthalic anhydride.
Specifically, the volume ratio of the polyethylene glycol to phthalic anhydride is 1: 0.3-1.
Specifically, the mesh number of the porous glass microspheres is 18-30 meshes.
Specifically, the mesh number of the silicon micro powder is 40-60 meshes.
Specifically, the monofilament diameter of the carbon fiber is 0.05-0.08 mm.
Specifically, the compatilizer is modified polyacrylate.
The invention has the beneficial effects that:
firstly, the low-temperature asphalt composition disclosed by the invention is added with a composite modifier consisting of SBS and EVA, and the physical crosslinking, chain segment fixing and vulcanization enhancing effects of a polystyrene chain segment, a polybutadiene chain segment, a polyvinyl acetate block and the like and the matrix asphalt can improve the structural stability of the matrix asphalt and prevent the asphalt from cracking at low temperature;
secondly, porous glass microspheres, silica powder and carbon fibers are added, the porous glass microspheres and the silica powder with different particle sizes are uniformly dispersed in the matrix asphalt, and the glass microspheres are provided with a plurality of micropores, so that the carbon fibers can resist the low temperature of minus 180 ℃, have good flexibility at the low temperature and can not be agglomerated and solidified at the low temperature, the carbon fibers with small diameters can be always inserted into the pores of the glass microspheres or wound on the silica powder, and finally the three materials can be mixed in the matrix asphalt in a net structure, so that the low-temperature cracking of the asphalt can be further prevented;
thirdly, furan resin is added, the heat resistance of the matrix asphalt is improved, the use temperature is increased by 10-20 ℃, and the corrosion resistance is excellent;
and fourthly, an anti-aging agent consisting of polyethylene glycol and phthalic anhydride is added, so that the aging and gelling speed of the asphalt can be delayed.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments in order to provide a further understanding of the nature and technical means of the invention, as well as the specific objects and functions attained by the invention.
Example 1
The low-temperature asphalt composition comprises the following components in parts by weight:
matrix asphalt: 100 portions of
Compound modifier: 1 part of
Modified polyacrylate: 0.1 part
Furan resin: 12 portions of
Rosin resin: 7 portions of
18-mesh porous glass microspheres: 3 portions of
40-mesh silicon micropowder: 3 portions of
Carbon fiber with monofilament diameter of 0.05 mm: 6 portions of
Anti-aging agent: 0.5 part.
Preferably, the composite modifier is a mixture consisting of SBS and EVA, and the mass ratio of SBS to EVA is 1: 0.06.
Preferably, the anti-aging agent is a mixture of polyethylene glycol and phthalic anhydride in a volume ratio of 1: 0.3.
The manufacturing process comprises the following steps:
weighing the raw materials according to a formula;
firstly, heating the matrix asphalt to 180-185 ℃ through a heat exchanger, and transferring the matrix asphalt into a production tank;
starting a stirring device, slowly adding the composite modifier and the modified polyacrylate while stirring for development, wherein the development time is 30 minutes, and continuously stirring for 30 minutes to obtain a mixture;
adding furan resin, rosin resin, porous glass microspheres, silica micropowder, carbon fibers and an anti-aging agent into the mixture, and continuously stirring and developing for 2 hours to obtain a finished product.
The testing process comprises the following steps:
the product is laid on the road surface according to the conventional asphalt laying standard, and the product does not crack after a low temperature resistance test of-25 ℃ and 48 hours, which shows that the low temperature resistance of the product is excellent.
Example 2
The low-temperature asphalt composition comprises the following components in parts by weight:
matrix asphalt: 100 portions of
Compound modifier: 2 portions of
Modified polyacrylate: 0.12 portion
Furan resin: 10 portions of
Rosin resin: 5 portions of
18-mesh porous glass microspheres: 6 portions of
40-mesh silicon micropowder: 6 portions of
Carbon fiber with monofilament diameter of 0.05 mm: 7 portions of
Anti-aging agent: 0.5 part.
Preferably, the composite modifier is a mixture consisting of SBS and EVA, and the mass ratio of SBS to EVA is 1: 0.1.
Preferably, the anti-aging agent is a mixture of polyethylene glycol and phthalic anhydride in a volume ratio of 1: 1.
The manufacturing process comprises the following steps:
weighing the raw materials according to a formula;
firstly, heating the matrix asphalt to 180-185 ℃ through a heat exchanger, and transferring the matrix asphalt into a production tank;
starting a stirring device, slowly adding the composite modifier and the modified polyacrylate while stirring for development, wherein the development time is 30 minutes, and continuously stirring for 30 minutes to obtain a mixture;
adding furan resin, rosin resin, porous glass microspheres, silica micropowder, carbon fibers and an anti-aging agent into the mixture, and continuously stirring and developing for 2 hours to obtain a finished product.
The testing process comprises the following steps:
the product is laid on the road surface according to the conventional asphalt laying standard, and the product does not crack after a low temperature resistance test of-25 ℃ and 48 hours, which shows that the low temperature resistance of the product is excellent.
Example 3
The low-temperature asphalt composition comprises the following components in parts by weight:
matrix asphalt: 100 portions of
Compound modifier: 3 portions of
Modified polyacrylate: 0.15 part
Furan resin: 15 portions of
Rosin resin: 8 portions of
18-mesh porous glass microspheres: 2 portions of
40-mesh silicon micropowder: 2 portions of
Carbon fiber with monofilament diameter of 0.05 mm: 4 portions of
Anti-aging agent: 0.5 part.
Preferably, the composite modifier is a mixture consisting of SBS and EVA, and the mass ratio of SBS to EVA is 1: 0.06.
Preferably, the anti-aging agent is a mixture of polyethylene glycol and phthalic anhydride in a volume ratio of 1: 0.3.
The manufacturing process comprises the following steps:
weighing the raw materials according to a formula;
firstly, heating the matrix asphalt to 180-185 ℃ through a heat exchanger, and transferring the matrix asphalt into a production tank;
starting a stirring device, slowly adding the composite modifier and the modified polyacrylate while stirring for development, wherein the development time is 30 minutes, and continuously stirring for 30 minutes to obtain a mixture;
adding furan resin, rosin resin, porous glass microspheres, silica micropowder, carbon fibers and an anti-aging agent into the mixture, and continuously stirring and developing for 2 hours to obtain a finished product.
The testing process comprises the following steps:
the product is laid on the road surface according to the conventional asphalt laying standard, and the product does not crack after a low temperature resistance test of-25 ℃ and 48 hours, which shows that the low temperature resistance of the product is excellent.
The above examples only show 3 embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. The low-temperature asphalt composition is characterized by comprising the following raw materials in parts by weight:
matrix asphalt: 100 portions of
Compound modifier: 1 to 3 portions of
A compatilizer: 0.1 to 0.15 portion
Furan resin: 10 to 15 portions of
Rosin resin: 5 to 8 portions of
Porous glass microspheres: 2 to 6 portions of
Silicon micropowder: 2 to 6 portions of
Carbon fiber: 3 to 7 portions of
Anti-aging agent: 0.5-1 part.
2. The low-temperature asphalt composition as claimed in claim 1, wherein the composite modifier is a mixture of SBS and EVA.
3. The low-temperature asphalt composition as claimed in claim 2, wherein the mass ratio of SBS to EVA is 1: 0.06-0.1.
4. A low temperature asphalt composition according to claim 1, wherein said anti-aging agent is a mixture of polyethylene glycol and phthalic anhydride.
5. A low-temperature asphalt composition as claimed in claim 4, wherein the volume ratio of the polyethylene glycol to the phthalic anhydride is 1: 0.3-1.
6. A low temperature asphalt composition as claimed in claim 1, wherein the mesh number of said porous glass microspheres is 18-30 mesh.
7. A low-temperature asphalt composition as claimed in claim 1, wherein the mesh number of the silica micropowder is 40-60 mesh.
8. A low temperature asphalt composition according to claim 1, wherein the carbon fibers have a filament diameter of 0.05 to 0.08 mm.
9. A low temperature asphalt composition as claimed in claim 1, wherein said compatibilizer is a modified polyacrylate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911197369.5A CN110982285A (en) | 2019-11-29 | 2019-11-29 | Low-temperature asphalt composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911197369.5A CN110982285A (en) | 2019-11-29 | 2019-11-29 | Low-temperature asphalt composition |
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| Publication Number | Publication Date |
|---|---|
| CN110982285A true CN110982285A (en) | 2020-04-10 |
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| CN201911197369.5A Pending CN110982285A (en) | 2019-11-29 | 2019-11-29 | Low-temperature asphalt composition |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113549332A (en) * | 2021-08-16 | 2021-10-26 | 长沙新立硅材料科技有限公司 | Nano-cellulose and polymer composite modified thermosetting asphalt material and preparation method thereof |
Citations (6)
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|---|---|---|---|---|
| CN102030997A (en) * | 2009-09-28 | 2011-04-27 | 北京东方雨虹防水技术股份有限公司 | Saline-alkali tolerant polymer modified asphalt, waterproof roll material and preparation method of waterproof roll material |
| CN102993756A (en) * | 2012-09-29 | 2013-03-27 | 北京东方雨虹防水技术股份有限公司 | Low-density polymer modified asphalt waterproof roll material |
| CN103232718A (en) * | 2013-05-18 | 2013-08-07 | 兰州理工大学 | Silica fume/SBS composite modified asphalt and preparation method thereof |
| CN104059369A (en) * | 2014-07-01 | 2014-09-24 | 无锡市鑫路道路材料有限公司 | Composite polymer modified asphalt and preparing method of composite polymer modified asphalt |
| CN107163593A (en) * | 2017-04-25 | 2017-09-15 | 华北水利水电大学 | Epoxy asphalt road surface materials of heat-resisting waterproof and preparation method thereof |
| CN108912707A (en) * | 2018-07-26 | 2018-11-30 | 江苏增光复合材料科技有限公司 | Fibre enhancement epoxy asphalt pavement material and preparation method thereof |
-
2019
- 2019-11-29 CN CN201911197369.5A patent/CN110982285A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102030997A (en) * | 2009-09-28 | 2011-04-27 | 北京东方雨虹防水技术股份有限公司 | Saline-alkali tolerant polymer modified asphalt, waterproof roll material and preparation method of waterproof roll material |
| CN102993756A (en) * | 2012-09-29 | 2013-03-27 | 北京东方雨虹防水技术股份有限公司 | Low-density polymer modified asphalt waterproof roll material |
| CN103232718A (en) * | 2013-05-18 | 2013-08-07 | 兰州理工大学 | Silica fume/SBS composite modified asphalt and preparation method thereof |
| CN104059369A (en) * | 2014-07-01 | 2014-09-24 | 无锡市鑫路道路材料有限公司 | Composite polymer modified asphalt and preparing method of composite polymer modified asphalt |
| CN107163593A (en) * | 2017-04-25 | 2017-09-15 | 华北水利水电大学 | Epoxy asphalt road surface materials of heat-resisting waterproof and preparation method thereof |
| CN108912707A (en) * | 2018-07-26 | 2018-11-30 | 江苏增光复合材料科技有限公司 | Fibre enhancement epoxy asphalt pavement material and preparation method thereof |
Non-Patent Citations (3)
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| 刘尚乐: "《聚合物沥青及其建筑防水材料》", 31 March 2003, 中国建筑工业出版社 * |
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| 李伟华 等: "《建筑材料及性能检测》", 31 August 2011, 北京理工大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113549332A (en) * | 2021-08-16 | 2021-10-26 | 长沙新立硅材料科技有限公司 | Nano-cellulose and polymer composite modified thermosetting asphalt material and preparation method thereof |
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