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High-performance modified asphalt and manufacturing method thereof

A technology of modified asphalt and manufacturing method, which is applied in the direction of building structure, building components, building insulation materials, etc. It can solve the problems of general performance, complicated preparation process, and insufficient penetration ability, so as to improve flow performance and crushing efficiency , the effect of improving appearance

Pending Publication Date: 2021-11-30
镇江越辉新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a high-performance modified asphalt and its manufacturing method, which solves the problem that the preparation process of general high-performance modified asphalt is complicated, and the performance is general, and the penetration ability is not good enough to meet people's requirements. The problem

Method used

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  • High-performance modified asphalt and manufacturing method thereof

Examples

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Effect test

Embodiment 1

[0029] refer to figure 1 , a high-performance modified asphalt, its formula includes: 25 parts of auxiliary materials, 12 parts of modifiers, 80 parts of original asphalt, and 9 parts of solvent.

[0030] In the present invention, the original asphalt is a mixed asphalt formed by straight-run asphalt and oxidized asphalt, and its ratio is straight-run asphalt: oxidized asphalt=1:1.5, and the organic solvent is styrene, perchlorethylene, trichloroethylene, ethylene glycol Any one of ether and triethanolamine, the auxiliary materials are polyvinylpyrrolidone 4-6 block polyvinyl alcohol amide sodium compound and hydroxymethyl cellulose sodium compound, ethylene oxide-propylene oxide block copolymer polyoxyethylene ether , the formula also includes 2 parts of anti-peeling agent, 3 parts of anti-aging agent, mixed with anti-stripping agent and anti-aging agent, can improve the service performance and life of the pavement material, modifier is thermoplastic elastomer SBS, styrene-bu...

Embodiment 2

[0039] refer to figure 1 , a high-performance modified asphalt, its formula includes: 18 parts of auxiliary materials, 10 parts of modifiers, 90 parts of original asphalt, and 14 parts of solvent.

[0040] In the present invention, the original asphalt is a mixed asphalt formed by straight-run asphalt and oxidized asphalt, the ratio of which is straight-run asphalt: oxidized asphalt=1:2, and the organic solvent is styrene, perchlorethylene, trichlorethylene, ethylene glycol Any one of ether and triethanolamine, the auxiliary materials are polyvinylpyrrolidone 4-6 block polyvinyl alcohol amide sodium compound and hydroxymethyl cellulose sodium compound, ethylene oxide-propylene oxide block copolymer polyoxyethylene ether , the formula also includes 2 parts of anti-stripping agent, 4 parts of anti-aging agent, mixed with anti-stripping agent and anti-aging agent, can improve the service performance and life of the pavement material, and the modifying agent is thermoplastic elast...

Embodiment 3

[0049] refer to figure 1 , a high-performance modified asphalt, its formula includes: 25 parts of auxiliary materials, 12 parts of modifiers, 80 parts of original asphalt, and 9 parts of solvent.

[0050] In the present invention, the original asphalt is a mixed asphalt formed by straight-run asphalt and oxidized asphalt, and its ratio is straight-run asphalt: oxidized asphalt=1:1.5, and the organic solvent is styrene, perchlorethylene, trichloroethylene, ethylene glycol Any one of ether and triethanolamine, the auxiliary materials are polyvinylpyrrolidone 4-6 block polyvinyl alcohol amide sodium compound and hydroxymethyl cellulose sodium compound, ethylene oxide-propylene oxide block copolymer polyoxyethylene ether , the formula also includes 4 parts of anti-stripping agent, 5 parts of anti-aging agent, mixed with anti-stripping agent and anti-aging agent, can improve the service performance and life of the pavement material, modifier is thermoplastic elastomer SBS, styrene-...

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Abstract

The invention relates to the technical field of asphalt preparation, and discloses high-performance modified asphalt. The high-performance modified asphalt is prepared from the following components in parts by weight: 15-30 parts of auxiliary materials, 10-18 parts of a modifier, 50-100 parts of raw asphalt and 2-25 parts of a solvent. The invention also discloses a manufacturing method of the high-performance modified asphalt. The manufacturing method comprises the following steps: S1, crushing of the modifier: putting the modifier into a crusher for crushing for 10-30 minutes, and then conducting screening with a 200-to-400-mesh sieve to obtain the crushed modifier; and S2, dissolving of the modifier: adding the crushed modifier and a solvent into a mixing tank, and carrying out stirring and mixing to obtain a mixed solution A. By adding the modifier, the viscosity and toughness, the softening point, the low-temperature cracking resistance and the elasticity of the modified asphalt can be effectively improved; and by doping an anti-stripping agent and an anti-aging agent, the use performance of a pavement material can be improved, and the service life of the pavement material can be prolonged.

Description

technical field [0001] The invention relates to the technical field of asphalt preparation, in particular to a high-performance modified asphalt and a manufacturing method thereof. Background technique [0002] Asphalt is the main pavement material used in road engineering at home and abroad. Modern road traffic is characterized by large traffic volume, fast speed and high load capacity. Therefore, the requirements for road surface quality are also constantly increasing. Ordinary asphalt materials generally have the disadvantages of high penetration, low ductility, and low softening point within the engineering range. The specific performance of asphalt is poor compression and crack resistance, poor plasticity, high temperature sensitivity, and narrow operating temperature range. [0003] Because ordinary asphalt is difficult to meet the requirements of modern road traffic for road surface quality, modified asphalt with better performance than ordinary asphalt has appeared i...

Claims

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Application Information

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IPC IPC(8): C08L95/00C08L1/28C08L39/06C08L71/02C08L53/02C08L9/06C08L27/16
CPCC08L95/00C08L2205/035C08L2205/025C08L1/284C08L39/06C08L71/02C08L53/02C08L9/06C08L27/16
Inventor 薛宏亮谢钱清潘玉龙
Owner 镇江越辉新材料有限公司
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