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Anti-stripping compound modified asphalt and preparation method thereof

A compound modified asphalt, anti-stripping technology, applied in building components, building insulation materials, buildings, etc., can solve the problems of insufficient asphalt adhesion, modifier compatibility, etc., to improve the adhesion performance and enhance the viscosity. , Improve the effect of anti-peeling

Active Publication Date: 2018-11-30
GUANGDONG URBAN & RURAL PLANNING & DESIGN INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide an anti-stripping composite modified asphalt and its preparation method to solve the problem of insufficient adhesion of the existing road asphalt and the compatibility of the modifier used in the asphalt

Method used

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  • Anti-stripping compound modified asphalt and preparation method thereof
  • Anti-stripping compound modified asphalt and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Embodiment 1, anti-stripping composite modified asphalt

[0028] The anti-stripping composite modified asphalt is prepared from the following raw materials in parts by weight:

[0029] 1 part of lignocellulose, 10 parts of aloe clay, 60 parts of petroleum pitch, 1 part of ethyl-4-methylimidazole, 1 part of vinyl trifluoroborate potassium, trimethylolpropane-tris(3-ethyleneimine) propionate) 0.1 part.

[0030] Prepare anti-stripping composite modified asphalt as follows:

[0031] a. Lignocellulose and halloy clay are placed in the reaction kettle, and mechanically stirred for 60 minutes to obtain the lignocellulose-allloy clay composite;

[0032] b. Add the lignocellulose-alloy clay composite obtained in step a to petroleum pitch, and stir and fully react for 45 minutes under the condition of 210° C. to obtain the mixture of lignocellulose-alloy clay composite and petroleum pitch mixture;

[0033] c. Add 2-ethyl-4-methylimidazole, potassium vinyl trifluoroborate, and...

Embodiment 2

[0035] Embodiment 2, anti-stripping composite modified asphalt

[0036] The anti-stripping composite modified asphalt is made of the following raw materials in parts by weight:

[0037] 4 parts of lignocellulose, 15 parts of aloe clay, 70 parts of petroleum pitch, 4 parts of ethyl-4-methylimidazole, 4 parts of vinyl potassium trifluoroborate, trimethylolpropane-tris(3-ethyleneimine) propionate) 0.4 parts.

[0038] The preparation method is similar to Example 1.

Embodiment 3

[0039] Embodiment 3, anti-stripping composite modified asphalt

[0040] Prepared from the following raw materials in parts by weight:

[0041]10 parts of lignocellulose, 20 parts of halloy soil, 80 parts of petroleum pitch, 10 parts of ethyl-4-methylimidazole, 10 parts of vinyl trifluoroborate potassium, trimethylolpropane-tris(3-ethyleneimine) propionate) 1.0 parts.

[0042] The preparation method is similar to Example 1.

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Abstract

The present invention discloses anti-stripping compound modified asphalt and a preparation method thereof. The anti-stripping compound modified asphalt comprises lignocellulose, halloysite, petroleumasphalt, ethyl-4-methylimidazole, vinyl trifluoroboric acid potassium and a cross-linking agent. The preparation method mainly comprises the following steps: the lignocellulose and halloysite are stirred evenly to obtain a lignocellulose-halloysite compound; the petroleum asphalt is added; the materials are stirred for reaction; then the 2-ethyl-4-methylimidazole, vinyl trifluoroboric acid potassium and cross-linking agent are added; and cutting and stirring are conducted to obtain the anti-stripping compound modified asphalt. The obtained anti-stripping compound modified asphalt by the preparation method can keep a good high-temperature performance and at the same time improves the anti-stripping property and adhesion property.

Description

technical field [0001] The invention belongs to the technical field of road building materials, and in particular relates to an anti-stripping composite modified asphalt and a preparation method thereof. Background technique [0002] With the continuous development of my country's road engineering construction and the increase of road use time, various road surface damages are also constantly occurring. For asphalt pavement, the occurrence of water damage will seriously affect its structural performance, and the decline of the structural performance of the subgrade pavement will eventually lead to the attenuation of the functional characteristics of the pavement. The process of water damage on asphalt pavement is generally as follows: under the action of high-speed driving, the road surface will generate strong hydrodynamic pressure, causing road surface water to enter the road surface. Once rainwater enters the road surface, it will accumulate in the gaps at the bottom of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L95/00C08L97/02C08K3/34C08K5/3445C08K5/55C08K5/3412C08K13/02
CPCC08L95/00C08L2201/08C08L97/02C08K3/34C08K5/3445C08K5/55C08K5/3412C08K13/02
Inventor 单双成杨高华谢沛宏王纯阳陈维勇王佳康
Owner GUANGDONG URBAN & RURAL PLANNING & DESIGN INST
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