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A kind of interface enhancer and its application for the preparation of pouring pavement material

An interface enhancer and pavement material technology, applied in the field of interface enhancers, can solve the problems of complicated construction, difficult to control demulsification time, slow strength development, etc., and achieve the effect of solving insufficient crack resistance, significant economic benefits and application value

Active Publication Date: 2016-02-03
JIANGSU SOBUTE NEW MATERIALS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the method of mixing emulsified asphalt has difficulties such as difficult control of demulsification time and slow strength development.
Although the method of mixing epoxy resin is good, there are still problems such as slow strength development, slow resin curing, difficult resin modification, and complicated construction.

Method used

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  • A kind of interface enhancer and its application for the preparation of pouring pavement material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The preparation method of interface-enhanced pouring type pavement material, the steps are as follows:

[0028] 1) Preparation of interface enhancer:

[0029] Add acrylic acid monomer, organic silane, surfactant, and accelerator into the reaction kettle for polymerization reaction, the reaction temperature is 50°C, and the reaction time is 1.5h to obtain the interface enhancer;

[0030] in,

[0031] The parts by weight of each component are: 15 parts of acrylic acid monomer, 8 parts of organosilane, 1.5 parts of surfactant, and 0.025 part of accelerator;

[0032] Described acrylic acid monomer is that methacrylic acid and methyl acrylate are mixed in a mass ratio of 1:2;

[0033] The organosilane is vinyldimethylsilane;

[0034] Described tensio-active agent is stearic acid;

[0035] The accelerator is dicumyl peroxide and potassium persulfate with a mass ratio of 1:5.

[0036] 2) Preparation of highly connected void body asphalt mixture:

[0037] Stir the coarse ...

Embodiment 2

[0050] The preparation method of interface-enhanced pouring type pavement material, the steps are as follows:

[0051] 1) Preparation of interface enhancer:

[0052] Add acrylic acid monomer, organic silane, surfactant and accelerator into the reaction kettle for polymerization reaction, the reaction temperature is 40°C, and the reaction time is 0.5h to obtain the interface enhancer.

[0053] in,

[0054] The parts by weight of each component are: 10 parts of acrylic acid monomer, 5 parts of organosilane, 0.2 part of surfactant, and 0.01 part of accelerator.

[0055] The acrylic acid monomer is methacrylic acid.

[0056] The organosilane is vinyldimethylsilane;

[0057] Described tensio-active agent is stearic acid.

[0058] The accelerator is dicumyl peroxide and potassium persulfate with a mass ratio of 1:4.

[0059] 2) Preparation of highly connected void body asphalt mixture:

[0060] Stir the coarse aggregate and fine aggregate at 175°C in a mixing pot at 170°C for ...

Embodiment 3

[0073] The preparation method of interface-enhanced pouring type pavement material, the steps are as follows:

[0074] 1) Preparation of interface enhancer:

[0075] Add acrylic acid monomer, organic silane, surfactant, and accelerator into the reaction kettle for polymerization reaction, the reaction temperature is 40°C, and the reaction time is 2h, to obtain the interface enhancer.

[0076] in,

[0077] The parts by weight of each component are: 10 parts of acrylic acid monomer, 12 parts of organosilane, 0.2 part of surfactant, and 0.04 part of accelerator.

[0078] The acrylic acid monomer is butyl acrylate.

[0079] The organosilane is vinyltrimethylsilane;

[0080] Described tensio-active agent is stearic acid.

[0081] The accelerator is dicumyl peroxide and potassium persulfate with a mass ratio of 1:10.

[0082] 2) Preparation of highly connected void body asphalt mixture:

[0083] Stir the coarse aggregate and fine aggregate at 185°C in a mixing pot at 170°C for...

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Abstract

The invention provides an interface enhancer for watering-type pavement material preparation, and the interface enhancer is prepared from the following components in parts by weight: 10-25 parts of acrylic monomer, 5-12 parts of organosilane, 0.2-3 parts of a surfactant and 0.04-0.04 part of an accelerant. The invention also provides a method for preparation of a watering-type pavement material by used of the interface enhancer. The interface enhancer can increase the surface interface bonding power between a cement-based grouting agent and an asphalt mixture, the problems of insufficient crack resistance and poor durability caused by the poor surface interface bonding property of asphalt and cement mortar are solved, and the interface enhancer has obvious economic benefits and application values.

Description

technical field [0001] The invention belongs to the field of new road and bridge engineering materials and the application field of highway engineering, and relates to an interface enhancer used for preparing pouring pavement materials, and also relates to a method for preparing pourable pavement materials using the interface enhancer. Background technique [0002] Pourable pavement is a new type of pavement material composed of large-pore asphalt mixture and high-flowing cement-based materials. Since the poured pavement has the flexibility of asphalt concrete and the rigidity of cement concrete, it absorbs the advantages of asphalt pavement and cement pavement, shields the shortcomings of both, and can completely solve the current problems of serious rutting and poor water stability of asphalt pavement , so it is very suitable for applications such as gas stations, parking lots, bus stations, port terminals, military bases, airstrips, turning at intersections, and climbing ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B24/42C08F220/06C08F220/14C08F220/18C08F220/56C08F230/08C04B28/06
Inventor 黄冲洪锦祥朱晓斌邓成张德育林俊涛李林蔡广楠徐静陈香耿磊
Owner JIANGSU SOBUTE NEW MATERIALS
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