Wheel-sticking-free emulsified asphalt, preparing method, construction technology and application of wheel-sticking-free emulsified asphalt

A technology of emulsified asphalt and construction technology, which is applied to building components, building insulation materials, buildings, etc. It can solve the problems of insufficient bonding strength, low construction efficiency, slow demulsification speed, etc., and achieves convenient use and easy operation of construction technology , Improve the effect of bond strength

Active Publication Date: 2016-09-07
厦门华特公路沥青技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the above-mentioned technical defects such as easy-sticking wheels, insufficient cohesive strength, and low construction efficiency caused by slow demulsification speed in the existing sticky layer emulsified asphalt, one of the purposes of the present invention is to provide a non-sticking wheel , fast setting, improved bond strength non-stick wheel emulsified asphalt

Method used

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  • Wheel-sticking-free emulsified asphalt, preparing method, construction technology and application of wheel-sticking-free emulsified asphalt
  • Wheel-sticking-free emulsified asphalt, preparing method, construction technology and application of wheel-sticking-free emulsified asphalt
  • Wheel-sticking-free emulsified asphalt, preparing method, construction technology and application of wheel-sticking-free emulsified asphalt

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Experimental program
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Effect test

Embodiment 1

[0044] Material selection: Sinopec No. 70 asphalt as base asphalt, No. 10 petroleum asphalt as hard asphalt; polyacrylate emulsion Acronal A 378 (solid content 61-63%) produced by BASF in Germany was selected as modifier; asphalt emulsifier was selected The cationic slow-cracking asphalt emulsifier EM-560 produced by Shanghai Longfu Material Technology Co., Ltd.; the thickener uses hydroxyethyl cellulose CL-12 from Shanghai Longfu Material Technology Co., Ltd.; the concentration of acid-base regulator is 36% concentrated hydrochloric acid. The above-mentioned materials and water are weighed as follows:

[0045]

[0046]

[0047] Soap preparation: Dissolve EM-560 in about 30kg of hot water at 50°C-60°C, stir until dissolved, then add modifier Acronal A 378 and thickener CL-12 into the water, stir evenly, adjust pH with concentrated hydrochloric acid value to 2.0-2.5, then add the remaining hot water to make up to the weight of the whole solution is 45kg, that is, make so...

Embodiment 2

[0050] Material selection: Sinopec No. 90 asphalt as the base asphalt, No. 10 petroleum asphalt as the hard asphalt; the acrylate emulsion LFE01 (solid content 50%) produced by Shanghai Saifu Chemical Development Co., Ltd. was selected as the modifier; the asphalt emulsifier was selected from Shanghai Cationic medium-cracked asphalt emulsifier EM-310 and cationic slow-cracked asphalt emulsifier EM-560 produced by Longfu Material Technology Co., Ltd. The thickener is hydroxyethyl cellulose CL-12 from Shanghai Longfu Material Technology Co., Ltd. ; The acid-base regulator is 36% concentrated hydrochloric acid. The above-mentioned materials and water are weighed as follows:

[0051]

[0052] Soap solution preparation: Dissolve EM-310 and EM-560 in about 30kg of hot water at 50°C-60°C, stir until dissolved, then add modifier LFE01 and thickener CL-12 into the water, stir evenly, wash with concentrated hydrochloric acid Adjust the pH value to 2.0-2.5, then add the remaining hot...

Embodiment 3

[0055] Material selection: No. SK70 asphalt as base asphalt, No. 20 petroleum asphalt as hard asphalt; styrene-acrylic emulsion Acronal S 400F ap (solid content 57%) produced by BASF in Germany was selected as modifier; asphalt emulsifier was selected from Shanghai Longfu The anionic slow-cracking asphalt emulsifier EM-580 produced by Material Technology Co., Ltd.; the thickener is hydroxyethyl cellulose CL-12 from Shanghai Longfu Material Technology Co., Ltd.; the acid-base regulator is sodium hydroxide. The above-mentioned materials and water are weighed as follows:

[0056]

[0057] Soap preparation: Dissolve EM-580 in about 30kg of hot water at 50°C-60°C, stir until dissolved, then add modifier Acronal S 400F ap and thickener CL-12 into the water, stir evenly, use sodium hydroxide Adjust the pH value to 10.5-11, then add the remaining hot water to make up the total solution weight to 60kg, that is, make soap liquid and keep it in an oven at 60°C.

[0058] Preparation o...

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Abstract

The invention discloses a wheel-sticking-free emulsified asphalt, a preparing method, a construction technology and application of the wheel-sticking-free emulsified asphalt. The wheel-sticking-free emulsified asphalt is prepared from, by mass, 10-50% of matrix asphalt, 10-50% of hard asphalt, 0-5% of a polymer modifier, 0.3-3% of an asphalt emulsifier, 0-1% of a thickening agent and the balance an acid-base regulating agent and water to reach 100%. The preparing method comprises the steps that firstly, the polymer modifier, the asphalt emulsifier and the thickening agent are added into water, the pH value is regulated, and a soap solution is prepared; then, the matrix asphalt is heated to 150 DEG C, the hard asphalt is heated to 160 DEG C, the matrix asphalt and the hard asphalt are stirred evenly in a stirring state, the obtained mixed asphalt and the soap solution are subjected to high-speed shearing with a colloid mill together, and the emulsified asphalt is obtained, wherein the emulsifying process is simple and practical. The emulsified asphalt has the effect of being free of wheel sticking when serving as road tack coat oil, tack coats are prevented from being damaged by construction equipment or transportation vehicles, the construction efficiency is improved, and the effect of preventing environment pollution is also achieved.

Description

technical field [0001] The invention relates to the field of road materials, in particular to a non-stick wheel emulsified asphalt used for bonding layers between structural layers in newly built or maintained road surfaces, a preparation method, a construction process and applications thereof. Background technique [0002] In the construction process of pavement engineering, the process of spreading sticky layer materials is usually used between adjacent structural layers. The function is to make the upper and lower asphalt layers or the asphalt layer and the structure completely bonded into a whole, so as to promote the formation of a whole between layers. The load-bearing structure can reduce the dislocation and lateral movement of the interlayer structure caused by traffic load, reduce the occurrence of pavement diseases, and improve the durability of the pavement. [0003] However, in actual engineering construction, an important reason for the poor bonding effect betwe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L95/00C08L33/04C08L25/14E01C7/22
CPCC08J3/03C08J2395/00C08J2495/00C08L95/005C08L2205/025C08L2205/035E01C7/22C08L33/04C08L25/14
Inventor 张云星许春生韩开震吴德龙
Owner 厦门华特公路沥青技术有限公司
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