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A kind of high-shear and high-adhesion coating material and preparation method thereof

A coating material and high-adhesion technology, applied in the field of coatings, can solve the problems of insufficient adhesion, weak adhesion, and poor temperature adaptability, etc., to achieve increased interlayer adhesion, less displacement, and waterproof powerful effect

Active Publication Date: 2017-04-12
北京通途技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a high-shear and high-adhesion coating material and its preparation method, which solves the problem that the coating material of the existing pavement surface layer has weak cohesive force, which causes the gap between the surface layers of the pavement coating material. Adhesive force is not strong enough to make the pavement multi-layer structure combination system have good structural bearing capacity and durability; at the same time, it solves the poor temperature adaptability of the current coating material on the surface layer and requires special temperature control technology during smear construction question

Method used

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  • A kind of high-shear and high-adhesion coating material and preparation method thereof
  • A kind of high-shear and high-adhesion coating material and preparation method thereof
  • A kind of high-shear and high-adhesion coating material and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0028] A high-shear and high-cohesive coating material, in terms of parts by weight, it consists of 0.4 parts of powdered nitrile rubber, 0.3 parts of flame retardant, 0.2 parts of reactive tackifier, 5 parts of asphalt modifier, and asphalt 25 parts of base powder, 35 parts of base pitch, and 35 parts of solvent. The specific configuration steps are as follows:

[0029] Step 1: Mix ethyl acetate, butyl acetate, xylene, etc. uniformly in parts by weight at room temperature to form a solvent;

[0030] Step 2: Add 0.4 parts of powdered nitrile butadiene rubber, 0.3 parts of flame retardant, 5 parts of asphalt modifier, and 25 parts of asphaltene powder into the prepared solvent at room temperature, stir evenly, and place it in a sealed container until completely dissolved;

[0031] Step 3: Heating 35 parts of A70 base pitch to 135 o After C, add 0.2 parts of stabilizer to the base asphalt, stir and let it melt;

[0032] Step 4. Slowly inject the mixed asphalt in step 3 into the mixture...

Embodiment 2

[0036] A high-shear and high-cohesive coating material, which is composed of 0.5 parts by weight of powdered nitrile rubber, 0.25 parts of flame retardant, 0.25 parts of reactive tackifier, 4 parts of asphalt modifier, and asphalt 20 parts of base powder, 30 parts of base pitch, 45 parts of solvent. The specific configuration steps are as follows:

[0037] Step 1: Mix ethyl acetate, butyl acetate, xylene, etc. uniformly in parts by weight at room temperature to form a solvent;

[0038] Step 2: Add 0.5 parts of powdered nitrile rubber, 0.25 parts of flame retardant, 4 parts of asphalt modifier, and 20 parts of asphaltene powder to the prepared solvent at room temperature, stir evenly, and place it in a sealed container until completely dissolved;

[0039] Step 3: 30 parts of A70 base asphalt are heated to 135 o After C, add 0.25 parts of stabilizer to the base asphalt, stir and let it melt;

[0040] Step 4. Slowly inject the mixed asphalt obtained in Step 3 into the mixture obtained i...

Embodiment 3

[0044] A high-shear and high-cohesive coating material, which is composed of 0.6 parts of powdered nitrile rubber, 0.2 parts of flame retardant, 0.3 parts of reactive tackifier, 3 parts of asphalt modifier, and asphalt 15 parts of base powder, 25 parts of base pitch, 55 parts of solvent. The specific configuration steps are as follows:

[0045] Step 1. Mix ethyl acetate, butyl acetate, xylene, etc. uniformly to form a solvent at room temperature;

[0046] Step 2: Add 0.5 parts of powdered nitrile butadiene rubber, 0.25 parts of flame retardant, 3 parts of asphalt modifier, and 15 parts of asphaltene powder to the prepared solvent at room temperature, stir evenly, and place it in a sealed container until completely dissolved;

[0047] Step 3: Heat 15 parts of A~70 base pitch to 135 o After C, add 0.25 parts of stabilizer to the base asphalt, stir and let it melt;

[0048] Step 4. Slowly inject the mixed asphalt in step 3 into the mixture obtained in step 2 and stir evenly to room temp...

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Abstract

The invention discloses a high-shearing and high-bonding coating material and a preparation method thereof. The coating material is prepared from the following components in parts by weight: 0.4-0.6 part of powdery butadiene-acrylonitrile rubber, 0.2-0.3 part of a flame retardant, 0.2-0.3 part of a stabilizer, 3-5 parts of an asphalt modifier, 15-25 parts of asphaltene powder, 25-35 parts of matrix asphalt and 35-55 parts of a solvent. The coating material disclosed by the invention is reasonable in formula and simple in preparation method, has relatively high shearing strength between layer and bonding force, is good in low-temperature flexibility, free of cracks at -25 DEG C, strong in waterproof performance and great in construction temperature range, and the construction season is prolonged, and moreover, the coating material can be smeared, sprayed or sprinkled under a room temperature condition and is wide in application range.

Description

Technical field [0001] The invention relates to the technical field of coatings, in particular to a high-shear and high-cohesive coating material and a preparation method thereof. Background technique [0002] With the rapid development of my country's social economy, highway construction has developed vigorously. The public has higher requirements for the performance of the road surface. In addition to requiring the pavement structure to meet the basic safety and speed of vehicle operation, it is more demanding to feel the comfort of the vehicle during driving. The pavement surface layer is used as a direct The substantial nature of the structural layer in contact with the tire directly affects the driving quality of the road surface. [0003] At present, the treatment of pavement diseases is generally to thicken the asphalt surface layer or add a new surface layer, or optimize and improve the base layer, surface layer material and structural combination, and often ignore the pro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D195/00C09D153/02C09D109/06C09D109/02C09D7/12
CPCC08L2205/035C09D7/40C09D195/00C08L9/02C08L53/02C08L9/06
Inventor 文龙李佩李凯姜伟
Owner 北京通途技术有限公司
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