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Asphalt anti-stripping agent as well as preparation and application methods thereof

An anti-stripping agent and anti-stripping technology, which is applied in the field of asphalt additives, can solve problems such as insufficient water resistance and poor high temperature resistance, and achieve the effects of improving service life, ensuring water resistance and high temperature resistance, and short mixing time

Pending Publication Date: 2020-01-31
四川科路泰交通科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] During the preparation of anti-stripping asphalt, it is necessary to add asphalt anti-stripping agent to the base asphalt. At present, the anti-stripping asphalt prepared by common asphalt anti-stripping agents in the market has insufficient water resistance and poor high temperature resistance.

Method used

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  • Asphalt anti-stripping agent as well as preparation and application methods thereof

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Comparison scheme
Effect test

Embodiment 1

[0023] This embodiment provides an asphalt anti-stripping agent, which comprises 3.7 parts of paraffin wax, 4.2 parts of fatty acid, and 5.5 parts of sodium lignosulfonate in parts by mass.

[0024] The preparation method of the above-mentioned asphalt anti-stripping agent is as follows: adding paraffin wax, fatty acid and sodium lignosulfonate into a mixer according to the mass ratio, and stirring at a temperature of 90° C. until uniformly mixed.

[0025] The application method of the above-mentioned asphalt anti-stripping agent is as follows: by weight percentage, heat 99% of the base asphalt to 220° C., add 1% of the prepared asphalt anti-stripping agent, and stir and mix at a temperature of 220° C. for 3 hours.

Embodiment 2

[0027] This embodiment provides an asphalt anti-stripping agent, which comprises 6.5 parts of paraffin wax, 2.2 parts of fatty acid, and 2.5 parts of sodium lignosulfonate in parts by mass.

[0028] The preparation method of the above-mentioned asphalt anti-stripping agent is as follows: adding paraffin wax, fatty acid and sodium lignosulfonate into a mixer according to the mass ratio, and stirring at a temperature of 70° C. until uniformly mixed.

[0029] The application method of the above-mentioned asphalt anti-stripping agent is as follows: by weight percentage, heat 98% of the base asphalt to 220° C., add 2% of the prepared asphalt anti-stripping agent, and stir and mix at a temperature of 220° C. for 3 hours.

Embodiment 3

[0030] Embodiment 3: This embodiment provides an asphalt anti-stripping agent, which includes 4 parts of paraffin wax, 3 parts of fatty acid, and 3 parts of sodium lignosulfonate in parts by mass.

[0031] The preparation method of the above-mentioned asphalt anti-stripping agent is as follows: adding paraffin wax, fatty acid and sodium lignosulfonate into a mixer according to the mass ratio, and stirring at a temperature of 80° C. until uniformly mixed.

[0032] The application method of the above-mentioned asphalt anti-stripping agent is as follows: by weight percentage, heat 98.5% of the base asphalt to 220°C, add 1.5% of the prepared asphalt anti-stripping agent, and stir and mix at a temperature of 220°C for 3 hours.

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Abstract

The invention discloses an asphalt anti-stripping agent as well as preparation and application methods thereof, and relates to the technical field of asphalt additives. The asphalt anti-stripping agent comprises the following components in parts by mass: 3.7-6.5 parts of paraffin, 2.2-4.2 parts of fatty acid and 2.5-5.5 parts of sodium lignin sulfonate. The preparation method of the asphalt anti-stripping agent comprises the following steps: adding paraffin, fatty acid and sodium lignin sulfonate into a mixer in parts by mass, and stirring at a temperature of 70 to 90 DEG C until the components are uniformly mixed. The application method of the asphalt anti-stripping agent comprises following steps: 98%-99% of matrix asphalt is heated to 220 DEG C, 1%-2% of the asphalt anti-stripping agentas described in any one of claims 1-2 is added, and an obtained mixture is stirred and mixed at 220 DEG C for 3 hours. The asphalt anti-stripping agent disclosed by the invention is prepared by proportioning low-cost materials at high temperature, has good water resistance and high-temperature resistance, and when the asphalt anti-stripping agent is applied, the asphalt anti-stripping agent and matrix asphalt are mixed and stirred at high temperature, so that the use amount is larger, but the effect is better.

Description

technical field [0001] The invention relates to the technical field of asphalt additives, in particular to an asphalt anti-stripping agent and a preparation and application method thereof. Background technique [0002] In the preparation process of anti-stripping asphalt, it is necessary to add asphalt anti-stripping agent to the base asphalt. Currently, the anti-stripping asphalt prepared by common asphalt anti-stripping agents in the market has insufficient water resistance and poor high temperature resistance. Contents of the invention [0003] In order to solve the problems in the prior art, the present invention provides an asphalt anti-stripping agent and its preparation and application method. The asphalt anti-stripping agent is formulated at high temperature through low-cost paraffin, fatty acid and sodium lignosulfonate Compared with the preparation, it has good water resistance and high temperature resistance. When applying this asphalt anti-stripping agent, the ...

Claims

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Application Information

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IPC IPC(8): C08L95/00C08L91/06C08L97/00C08K5/09
CPCC08L91/06C08L95/00C08L2201/08C08L2205/03C08L97/005C08K5/09
Inventor 杨晓强杨骏峰陈华王兰华
Owner 四川科路泰交通科技有限公司
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