Normal-temperature asphalt modifier, modified asphalt and asphalt concrete

A technology of normal temperature asphalt and modified asphalt, which is applied in the field of asphalt modifiers, can solve the problems of poor adaptability of mineral materials, large pollution, high carbon emissions, etc., and achieve the effects of reducing pollution, low cost, and reduced emission reduction

Active Publication Date: 2015-10-28
XIAN YONGHE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Solve the technical problems that the existing asphalt needs to be mixed and laid at high temperature, poor adaptability to mineral materials of different rock types, heavy pollution, and high carbon emissions

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] The normal temperature asphalt modifier is a mixture of waste engine oil, rubber tire powder and plastic extract; the mass ratio of waste engine oil, rubber tire and plastic extract is 1:2:6.

[0037] Specifically, the plastic extract is a mixture of aromatic hydrocarbons obtained by pyrolysis at 600-900°C, light gasoline and tar, wax obtained by pyrolysis at 400-500°C, and chains obtained by catalytic cracking at 400-600°C. A mixture of alkanes and alkenes. Specifically, the mixing mass ratio of the three is 1:2:1 in turn.

[0038] The particle size of the rubber tire powder used is 10-80 μm.

Embodiment 2

[0040] The normal temperature asphalt modifier is a mixture including waste engine oil, rubber tire powder and plastic extract; wherein the mass ratio of waste engine oil, rubber tire and plastic extract is 1:1:4.

[0041] Specifically, the plastic extract is a mixture of aromatic hydrocarbons obtained by pyrolysis at 600-900°C, light gasoline and tar, wax obtained by pyrolysis at 400-500°C, and chains obtained by catalytic cracking at 400-600°C. A mixture of alkanes and alkenes. Specifically, the mixing mass ratio of the three is 1:2:1 in turn.

[0042] The particle size of the rubber tire powder used is 10-80 μm.

Embodiment 3

[0044] The normal temperature asphalt modifier is a mixture including waste engine oil, rubber tire powder and plastic extract; the mass ratio of waste engine oil, rubber tire and plastic extract is 1:3:8.

[0045] Specifically, the plastic extract is a mixture of aromatic hydrocarbons obtained by pyrolysis at 600-900°C, light gasoline and tar, wax obtained by pyrolysis at 400-500°C, and chains obtained by catalytic cracking at 400-600°C. A mixture of alkanes and alkenes. Specifically, the mixing mass ratio of the three is 1:2:1 in turn.

[0046] The particle size of the rubber tire powder used is 10-80 μm.

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Abstract

The invention provides a normal-temperature asphalt modifier, modified asphalt and asphalt concrete. The normal-temperature asphalt modifier is a mixture containing waste engine oil, rubber tires and plastic extract. The normal-temperature asphalt modifier is added to matrix asphalt at the temperature of 130 DEG C-150 DEG C, and the mixture is stirred, so that the modified asphalt is obtained. The asphalt concrete comprises the modified asphalt and mineral aggregates. The normal-temperature asphalt modifier utilizes three or more high-molecular polymers including the waste engine oil, the rubber tires, the plastic extract and the like, and the three or more high-molecular polymers are blended to form a polymer alloy with an interpenetrating polymer network. A storable road normal-temperature asphalt modifier can be obtained by the asphalt modified by the normal-temperature asphalt modifier. The asphalt concentrate has the advantages of low carbon, energy saving, environment protection, availability in case of pavement, little repair, low construction cost, good adaptability, long service life, convenience in construction, health and low station construction cost.

Description

technical field [0001] The invention relates to the technical field of asphalt modifiers, in particular to normal temperature asphalt modifiers, modified asphalt and asphalt concrete. Background technique [0002] With the rapid growth of the national economy, my country's highway construction has entered a good development period. The achievements of expressway construction are astounding, but the problem of damage to asphalt concrete pavement is more and more common. The existing conventional means to improve the road performance of asphalt is to add asphalt modifier to asphalt or asphalt concrete, and the asphalt modifier can be melted or dispersed in asphalt to improve or enhance the road performance of asphalt. [0003] Most of the current asphalt modifiers use natural or synthetic organic or inorganic materials. Although they have a certain effect on improving the use effect of asphalt pavement, there is no breakthrough progress. However, there are still many shortco...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L95/00C08L21/00C08L91/00C08L91/06C04B26/26
CPCY02P20/54
Inventor 丛平李秋莲
Owner XIAN YONGHE TECH CO LTD
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