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Insulator for low-temperature construction of asphalt pavement road roller and method for preparing same

A technology of asphalt pavement and release agent, which is applied in the direction of climate change adaptation and coating, which can solve the problems of unfavorable construction, non-compliance with energy saving and environmental protection, and achieve the reduction of CO2 greenhouse gas emissions, superior antifreeze effect, and small surface tension. Effect

Active Publication Date: 2012-04-04
山西省交通科技研发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In actual construction, whether it is spraying water, spraying diesel oil or spraying a mixture of vegetable oil and water, it is not good for construction, and it does not meet the requirements of energy saving and environmental protection

Method used

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  • Insulator for low-temperature construction of asphalt pavement road roller and method for preparing same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Experimental raw material components and dosage: 20.4 parts by weight of simethicone oil, 50 parts by weight of a polyvinyl alcohol solution with a concentration of 100 g / L, 10.2 parts by weight of a composite emulsifier, 3 parts by weight of glycerol, 0.3 parts by weight of Glacial acetic acid, the hydroxymethyl cellulose of 0.5 weight part, the sodium benzoate of 0.6 weight part, the water of 15 weight parts;

[0029] The preparation of compound emulsifier: with the Span60 of 3.4 weight parts, the Tween60 of 15.4 weight parts, the Tween80 of 21.4 weight parts, the OP-10 of 8.5 weight parts, the oleic acid of 34.2 weight parts, the low melting point paraffin six components of 17.1 weight parts prepared by mixing

[0030] The preparation method of release agent for asphalt pavement roller is as follows: first preheat each component to 80°C, and add simethicone oil, compound emulsifier, water, and glycerol in the order of 80°C constant temperature water bath to the react...

Embodiment 2

[0032] Experimental raw material components and dosage: 28 parts by weight of simethicone oil, 40 parts by weight of a polyvinyl alcohol solution with a concentration of 100 g / L, 14 parts by weight of a composite emulsifier, 2.5 parts by weight of glycerol, 0.2 parts by weight of Glacial acetic acid, the hydroxymethylcellulose of 0.8 weight part, the sodium benzoate of 0.5 weight part, the water of 14 weight parts;

[0033] The preparation of compound emulsifier: with the Span60 of 3.4 weight parts, the Tween60 of 15.4 weight parts, the Tween80 of 21.4 weight parts, the OP-10 of 8.5 weight parts, the oleic acid of 34.2 weight parts, the low melting point paraffin six components of 17.1 weight parts prepared by mixing

[0034] Concrete preparation method is with embodiment 1.

Embodiment 3

[0036] Experimental raw material components and dosage: 30 parts by weight of simethicone oil, 40 parts by weight of a polyvinyl alcohol solution with a concentration of 100 g / L, 12 parts by weight of a composite emulsifier, 2 parts by weight of glycerol, 0.3 parts by weight of Glacial acetic acid, the hydroxymethylcellulose of 0.5 parts by weight, the sodium benzoate of 0.8 parts by weight, the water of 14.6 parts by weight;

[0037] The preparation of compound emulsifier: with the Span60 of 3.4 weight parts, the Tween60 of 15.4 weight parts, the Tween80 of 21.4 weight parts, the OP-10 of 8.5 weight parts, the oleic acid of 34.2 weight parts, the low melting point paraffin six components of 17.1 weight parts prepared by mixing

[0038] Concrete preparation method is with embodiment 1.

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Abstract

The invention belongs to the technical field of preparation of insulators for the construction of asphalt pavement road rollers and relates to an insulator for the low-temperature construction of road rollers and a method for preparing the same. The insulator is mainly prepared by mixing silicone oil, compound emulsifier, glycerin, pH regulator, preserving agent and water. The insulator has the advantages of high chemical stability, high high-low temperature resistance, no corrosion to steel wheels, small amount of coating, lasting insulating effect, environment friendliness and the like. By using the insulator, the asphalt mixture pavement is guaranteed to be constructed at the ultralow temperature (15 DEG C below zero), so that the working season is greatly prolonged; and during normal-temperature construction, by using the insulator, the mixing temperature of the asphalt mixture is reduced to 15 to 20 DEG C under the condition of unchanging the compaction degree and the emitted greenhouse gases are reduced in the mixing process and the environment-friendly and energy saving requirements are met.

Description

technical field [0001] The invention belongs to the technical field of preparation of a release agent for asphalt pavement roller construction, and particularly relates to a release agent for low-temperature construction of a road roller and a preparation method thereof. Background technique [0002] In the construction process of asphalt pavement, rolling is the last process, and the quality of rolling effect directly affects the physical and mechanical properties and functional characteristics of asphalt concrete pavement. High-quality rolling can not only make the asphalt pavement layer achieve a high degree of compaction, but also make it have good flatness, ensuring that the service life of the pavement meets or exceeds the design requirements. [0003] In the specific construction process, in order to prevent the high-temperature and high-viscosity mixture from adhering to the steel wheel of the road roller, the usual method is to spray water and diesel oil. But these...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D129/04C09D183/04C09D7/12C09D5/00
CPCY02A30/30
Inventor 杜素军杜海舒兴旺郑美军李荣柱刘俊权丰功吉张帅张文才
Owner 山西省交通科技研发有限公司
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