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Asphalt concrete isolating agent for adhesion prevention of paver and transportation car hopper and preparation method thereof

A technology of concrete release agent and transport vehicle, which is applied in anti-corrosion coatings, coatings and other directions, can solve the problems of increasing fire hazards in transportation projects, non-standard application of diesel oil, and non-compliance with energy conservation and environmental protection, so as to save manpower and material resources, physiological inertia and biological Good compatibility, ensuring the effect of road performance

Active Publication Date: 2012-12-05
SHANXI PROVINCIAL RES INST OF COMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The actual construction process found that both diesel and vegetable oil have their disadvantages: diesel is a flammable liquid, which increases the fire hazard in transportation engineering; in addition, diesel and vegetable oil are good plasticizers for asphalt, and their addition will change the quality of asphalt concrete. properties, thus affecting its road performance
In an environment where energy is increasingly scarce, a large number of non-standard applications such as diesel oil cause waste of resources, which does not meet the requirements of energy conservation and environmental protection
Silicone oil and its compound are commonly used as mold release agents for plastics and thermoforming molds, but due to their high price, the cost of applying them on roads is too high

Method used

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  • Asphalt concrete isolating agent for adhesion prevention of paver and transportation car hopper and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Raw material ratio of each component of asphalt concrete release agent for anti-sticking of paver and transport truck: 20g long-chain alkyl modified silicone oil, 1g ethanolamine compound solution, 4g oleic acid, 22g polyvinyl alcohol solution, 50g water, 0.5 g preservative, 1.0g pH regulator, 2.5g antifreeze.

[0025] Long-chain alkyl-modified silicone oil is prepared by the addition reaction of methyl hydrogen-containing silicone oil and 6-carbon α-olefin; the ethanolamine composite solution is a mixed solution of monoethanolamine and triethanolamine with a volume ratio of 2:1; polyvinyl alcohol solution The concentration is 50g / L, the molecular weight of polyvinyl alcohol is 10000-20000; the preservative is ethyl p-hydroxybenzoate, the antifreeze is ethylene glycol; the pH regulator is ammonium chloride aqueous solution with a mass concentration of 20%.

[0026] The preparation method of the asphalt concrete release agent for the anti-sticking of the above-mentioned ...

Embodiment 2

[0028] Raw material ratio of each component of asphalt concrete release agent for anti-sticking of paver and transport truck: 22g long-chain alkyl modified silicone oil, 1.2g ethanolamine compound solution, 3.8g oleic acid, 25g polyvinyl alcohol solution, 44g water , 1.5g preservative, 1.0g pH regulator, 2.5g antifreeze.

[0029] Long-chain alkyl-modified silicone oil is prepared by the addition reaction of methyl hydrogen-containing silicone oil and α-olefin with 10 carbons; the ethanolamine composite solution is a mixed solution of monoethanolamine and triethanolamine with a volume ratio of 2.5:1; polyvinyl alcohol solution The concentration is 50g / L, the molecular weight of polyvinyl alcohol is 10000-20000; the preservative is p-hydroxybenzoic acid, the antifreeze is ethylene glycol; the pH regulator is ammonium chloride aqueous solution with a mass concentration of 20%.

[0030] Concrete preparation method is with example 1.

Embodiment 3

[0032] Raw material ratio of each component of asphalt concrete release agent for anti-sticking of paver and transport truck: 25g long-chain alkyl modified silicone oil, 1.5g ethanolamine compound solution, 6g oleic acid, 20g polyvinyl alcohol solution, 43g water, 1.5g preservative, 1.0g pH regulator, 3g antifreeze.

[0033] Long-chain alkyl-modified silicone oil is prepared by the addition reaction of methyl hydrogen-containing silicone oil and α-olefin with 3 carbons; the ethanolamine composite solution is a mixed solution of monoethanolamine and triethanolamine with a volume ratio of 3:1; polyvinyl alcohol solution The concentration is 80g / L, the molecular weight of polyvinyl alcohol is 20000-30000; the preservative is butyl p-hydroxyphenyl, the antifreeze is ethylene glycol; the pH regulator is ammonium chloride aqueous solution with a mass concentration of 20%.

[0034] Concrete preparation method is with example 1.

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Abstract

The invention discloses asphalt concrete isolating agent for adhesion prevention of a paver and a transportation car hopper and a preparation method thereof, and belongs to the field of preparation of asphalt concrete isolating agents. The asphalt concrete isolating agent is prepared by mixing long-chained alkyl modified silicone fluid, monoethanolamine, triethanolamine, oleic acid, polyethylene alcohol solution, water and other additives. The isolating agent has performance such as high temperature and low temperature resistance, weather resistance, flame resistance, corrosion resistance, physiological inertia, good biological compatibility and the like. Due to the adoption of the isolating agent, the asphalt concrete can be prevented from adhering to a transportation vehicle hopper and a paver, so that the waste of the asphalt concrete can be greatly reduced, the cost of the labor and the material resource in the mixing, transportation and paving process can be saved, and the economical benefit is remarkable. The asphalt concrete isolating agent is a kind of novel energy-saving and environment-friendly asphalt concrete isolating agent.

Description

technical field [0001] The invention belongs to the technical field of preparation of asphalt concrete release agent, in particular to an asphalt concrete release agent used for anti-sticking of paver and transport vehicle bucket and a preparation method thereof. Background technique: [0002] Most of the roads in the world are paved by asphalt concrete, and usually hot asphalt concrete is composed of asphalt, base material, stone powder, and other additives and is transported to the construction site by iron trucks. During transportation, especially during dumping, hot asphalt will stick to the truck floor and side panels, especially for SBS and SBR modified asphalt concrete, the phenomenon of sticking to the panels is particularly prominent. In order to clean up the bonded asphalt concrete, it takes a lot of time and labor, even if the bonded modified asphalt concrete is still not cleaned up, this has just caused the waste of asphalt concrete and the increase of constructi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/04C09D129/04C09D5/08C09D7/12
Inventor 杜海李荣柱陈文璐
Owner SHANXI PROVINCIAL RES INST OF COMM
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