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Polymer emulsified asphalt ultrathin surface sealing layer material, and preparation method and application thereof

A technology of emulsified asphalt and layer materials, which is applied in the direction of building insulation materials, building structures, building components, etc., can solve the problem of difficulty in meeting the preventive maintenance requirements of asphalt pavement, low bonding strength between cementitious material and base surface, wear resistance and Problems such as poor skid resistance, etc., to achieve the effect of being suitable for industrial scale production, good embedding effect, and high Marshall stability

Active Publication Date: 2018-12-18
重庆市智翔铺道技术工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, the current ultra-thin surface seal materials in my country generally use ordinary emulsified asphalt, SBR modified emulsified asphalt or SBS modified emulsified asphalt and water-based epoxy blended materials. Due to the large thickness, the water is difficult to volatilize. The base surface has low bonding strength, poor wear resistance and skid resistance, and it is difficult to meet the preventive maintenance requirements of highway asphalt pavement in my country at this stage

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  • Polymer emulsified asphalt ultrathin surface sealing layer material, and preparation method and application thereof

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Effect test

Embodiment 1

[0061]The sealing layer material is composed of: 45 parts of glycidyl ether epoxy-modified acrylic emulsion grafted modified acrylic acid, 35 parts of 70# emulsified asphalt, β,β'-dimethylaminoethoxy-4,4,5 , 3 parts of 5-tetramethyl-1,3,2-dioxaborolane, 4 parts of pure polyester matting resin RB608, 4 parts of polysiloxane derivatives, 3 parts of aliphatic amide dispersant, alkane 12 parts of phenol polyoxyethylene ether TX-1010, 75 parts of quartz sand with a particle size of 70-110 mesh and 35 parts of kaolin; all in parts by mass.

[0062] The preparation method of described sealing layer material, concrete steps are:

[0063] Heat 70# emulsified asphalt and glycidyl ether-based epoxy-modified acrylic emulsion graft-modified acrylic acid to 50°C, mix, then shear at a shear rate of 2500 rpm, and then add β,β'-di Methylaminoethoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, cut for 5 minutes, then add pure polyester matting resin RB608, polysiloxane derivative material, polyoc...

Embodiment 2

[0066] The sealing layer material is composed of: 50 parts of glycidyl ether epoxy modified acrylic emulsion grafted modified acrylic acid, 38 parts of SBS modified 70# emulsified asphalt, β,β'-dimethylaminoethoxy-4, 5 parts of 4,5,5-tetramethyl-1,3,2-dioxaborolane, 3 parts of pure polyester matting resin RB608, 5 parts of polysiloxane derivatives, 4 parts of polyoctylamide, alkanes 18 parts of phenol polyoxyethylene ether NP-10, 70 parts of corundum with a particle size of 70-110 mesh and 45 parts of barium sulfate; all in parts by mass.

[0067] The preparation method of described sealing layer material, concrete steps are:

[0068] Heat SBS-modified 70# emulsified asphalt and glycidyl ether epoxy-modified acrylic emulsion graft-modified acrylic acid to 55°C, mix, and then shear at a shear rate of 2800 rpm, and then add β, β '-Dimethylaminoethoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, cut for 8 minutes, then add pure polyester matting resin RB608, polysil Oxyalkylene der...

Embodiment 3

[0071] The sealing layer material is composed of: 60 parts of glycidyl ether epoxy-modified acrylic emulsion grafted modified acrylic acid, 40 parts of 70# emulsified asphalt, β,β'-dimethylaminoethoxy-4,4,5 , 8 parts of 5-tetramethyl-1,3,2-dioxaborolane, 5 parts of pure polyester matting resin RB608, 6 parts of polysiloxane derivatives, 5 parts of polyoctylamide, fatty alcohol polyoxygen 22 parts of vinyl ether AEO-9, 80 parts of quartz sand with a particle size of 70-110 meshes and 60 parts of talcum powder; all in parts by mass.

[0072] The preparation method of described sealing layer material, its concrete steps are:

[0073] Heat 70# emulsified asphalt and glycidyl ether epoxy-modified acrylic emulsion graft-modified acrylic acid to 60°C, mix, then shear at a shear rate of 3000 rpm, add β,β'-dimethyl Aminoethoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, cut for 10 min, then add pure polyester matting resin RB608, polysiloxane derivative material, polyoctylamide, fatty a...

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Abstract

The invention belongs to the technical field of compositions of asphalt materials, and concretely relates to a polymer emulsified asphalt ultrathin surface sealing layer material. The main componentsof the sealing layer material are epoxy modified acrylic resin and asphalt. The material has the advantages of good compatibility, uniform appearance, no oil accumulation, no oil spots, high strength,good impermeability, good anti-slip property and good wear resistance.

Description

technical field [0001] The invention belongs to the technical field of asphalt material compositions, and in particular relates to a polymer-emulsified asphalt ultra-thin surface seal material and its preparation method and application. Background technique [0002] As of the end of 2016, the total mileage of highways in my country reached 4.6963 million kilometers, and the mileage of highway maintenance reached 4.59 million kilometers, accounting for 97.7% of the total mileage of highways. Among them, the mileage of expressways opened to traffic exceeded 120,000 kilometers, ranking first in the world. The huge market demand of the maintenance industry. [0003] The total mileage of my country's highways has increased year by year, realizing a major leap from "initial connectivity" to "coverage network". However, with the increasing traffic volume, load capacity and increasingly harsh natural environment and climate factors, the original asphalt pavement has appeared such as...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L63/10C08L95/00C08L67/00C08L83/04C08L71/02
CPCC08L63/10C08L2205/035C08L95/00C08L67/00C08L83/04C08L71/02
Inventor 徐建晖陈诚代剑锋王杰王民郝增恒
Owner 重庆市智翔铺道技术工程有限公司
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