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High-performance pavement sealant

A gap filler, high-performance technology, used in adhesives, non-polymer adhesive additives, non-polymer organic compound adhesives, etc., can solve the problem of poor high temperature stability and aging resistance, troublesome maintenance, and easy Brittleness and cracking problems, to achieve the effect of reasonable formula, convenient construction, high temperature stability and anti-aging effect

Inactive Publication Date: 2016-07-06
田建频
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the currently used caulking adhesives have the following problems: (1) the formula is relatively complicated; (2) the high temperature stability and aging resistance are poor, and it is easy to become brittle and crack when the temperature is low in winter. Adapt to the cold temperature difference area, the adhesion with the asphalt pavement is not good, and it will move outward in summer; (3) When the temperature is below zero, the joint filler needs to be heated before it can be used, which gives the road maintenance department the maintenance and use process Cause trouble, waste manpower and material resources; (4) high production cost; (5) contain triphenyl, serious environmental pollution

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0008] Embodiment 1, a kind of high-performance pavement caulking glue, described each material is made up of following parts by weight: 100 parts of modified asphalt, 50 parts of chloroprene, 20 parts of rubber powder, 10 parts of paint thinner, asphalt softener 5 parts, 2 parts of styrene-butadiene-styrene block copolymer, 8 parts of limestone, 5 parts of sulfur; the paint thinner is dichloromethane.

Embodiment 2

[0009] Embodiment 2, a kind of high-performance pavement caulking glue, described each material is made up of following parts by weight: modified asphalt 150 parts, chloroprene 80 parts, rubber powder 40 parts, paint thinner 20 parts, asphalt softener 8 parts, 8 parts of styrene-butadiene-styrene block copolymer, 10 parts of limestone, 8 parts of sulfur; the paint thinner is dichloromethane.

Embodiment 3

[0010] Embodiment 3, described each material is made up of following parts by weight: 125 parts of modified bitumen, 65 parts of chloroprene, 30 parts of rubber powder, 15 parts of paint thinner, 7 parts of asphalt softener, styrene-butadiene - 5 parts of styrene block copolymer, 9 parts of limestone, 7 parts of sulfur; the paint thinner is dichloromethane.

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PUM

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Abstract

The invention relates to the technical field of chemical engineering materials, and specifically relates to a high-performance pavement sealant. The pavement sealant comprises the following materials, by weight: 100-150 parts of modified asphalt, 50-80 parts of chloroprene, 20-40 parts of rubber powder, 10-20 parts of a paint diluting agent, 5-8 parts of an asphalt softener, 2-8 parts of a styrene-dutadiene-styrene block block copolymer, 8-10 parts of limestone, and 5-8 parts of sulfur. The invention aims at providing the high-performance pavement sealant with the advantages of reasonably formula, low production cost, and convenient construction.

Description

technical field [0001] The invention relates to the technical field of chemical materials, in particular to a high-performance road surface gap filler. Background technique [0002] With the continuous improvement of people's living standards, automobiles are also increasingly long, and the damage suffered by the road surface is also increasing. Therefore, the road maintenance department must often repair the cracks and potholes on the road surface in time. However, the currently used caulking glue has the following problems: (1) the formula is relatively complicated; (2) the high temperature stability and aging resistance are poor, and it is easy to become brittle and crack when the temperature is low in winter. Adapt to cold temperature difference areas, poor adhesion to asphalt pavement, and will move outward in summer; (3) When the temperature is below zero, it is necessary to heat the joint sealant before use, which is a problem for the road maintenance department in th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J4/06C09J11/04
Inventor 田建频
Owner 田建频