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Environment-friendly adhesive capable of being mixed for construction and preparation method of environment-friendly adhesive

An adhesive and environment-friendly technology, applied in adhesives, epoxy resin glue, polyurea/polyurethane adhesive, etc., can solve problems such as insufficient bonding strength, cracking of colored non-slip road surfaces, and large shrinkage

Active Publication Date: 2021-05-11
山西省交通科技研发有限公司 +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In order to effectively overcome the problem of cracking of the colored anti-skid pavement caused by the large shrinkage rate and insufficient elongation at break of the current water-based epoxy resin, and the problem of insufficient abrasion performance of the colored anti-skid pavement due to early grain loss caused by insufficient bonding strength

Method used

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  • Environment-friendly adhesive capable of being mixed for construction and preparation method of environment-friendly adhesive

Examples

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Embodiment 1

[0032] 1. The preparation method of component A of the environmentally friendly adhesive that can be mixed and mixed:

[0033] 1) Dry castor oil (purity 99.5%), polyethylene glycol 2000, dimethyl carbonate, 4,4'-dicyclohexylmethane diisocyanate (referred to as HMDI) in a vacuum oven at 40°C to remove moisture , then placed in CaCl 2 Place in a desiccator at 25°C for 72 hours;

[0034]2) Dissolve a mixture of 10 molar parts of castor oil and 10 molar parts of polyethylene glycol (molecular weight 2000) into 30 molar parts of dimethyl carbonate, and place it in a reactor at a temperature of 45°C , stir well until completely dissolved, then supply 99.99% N to the reactor 2 Protection, the reactor is heated by an oil bath, the reaction temperature is adjusted to 70°C, the mechanical stirring speed is 3000rpm, and the N 2 A 5°C condensation recovery device is installed at the outlet to collect the evaporated dimethyl carbonate. The reaction process needs to control the reaction ...

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Abstract

The invention discloses an environment-friendly adhesive capable of being mixed for construction and a preparation method of the environment-friendly adhesive. The adhesive is composed of a component A and a component B. When the adhesive is used, 100 parts by mass of the component A, 150 parts by mass of the component B, 100 parts by mass of tap water and 10 parts by mass of pigment are mixed, then colored ceramic particles with the particle size being 1-3 mm are added, the mixture is stirred evenly, then the mixture is poured on a construction road surface, and the mixture is scraped to be flat through a flat rubber scraper. The environment-friendly adhesive capable of being mixed for construction is waterborne epoxy resin toughened and modified by polyurethane, the elongation at break and the shear strength are remarkably improved compared with those of commercially available waterborne epoxy resin, the crack resistance and the fatigue resistance of a colored anti-skid pavement prepared from the environment-friendly adhesive are remarkably improved, and the introduction of hydrophilic molecular chains is controlled, so that the water damage resistance can be effectively improved. Compared with a conventional colored anti-skid pavement , the colored anti-skid pavement constructed by mixing has the advantages that the anti-stripping capability is higher, and the use amount of the ceramic particles is greatly reduced.

Description

technical field [0001] The invention belongs to the technical field of road surface maintenance, and in particular relates to an environment-friendly adhesive capable of mixing construction and a preparation method thereof. Background technique [0002] As an important means and method of road functionalization, colored anti-slip pavement is used in airport runway slideways, parking bays, urban bus lanes, bicycle lanes, tunnels, toll stations and service areas at expressway intersections, eye-catching reminders on curved slopes, etc. , effectively improve the anti-skid performance of the road, and improve the safety of road driving. At the same time, the colorful pavement can play the role of traffic warning and beautify the environment, and realize the harmony and unity of function and performance, engineering and environment. [0003] Colored pavement is mainly divided into: colored asphalt pavement, dyed pavement and colored non-slip pavement. Due to the use of colored s...

Claims

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Application Information

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IPC IPC(8): C09J163/00C09J175/14C09J11/04C08G18/66C08G18/48C08G18/58C08G18/36C04B26/16C04B111/82
CPCC09J163/00C09J11/04C08G18/6696C08G18/4045C08G18/4833C08G18/58C08G18/36C04B26/16C08L2205/03C08L2205/025C04B2111/00362C04B2111/0075C04B2111/00482C04B2111/82C08L63/00C08L75/14C08K3/013C04B24/281C04B24/2623C04B24/42C04B24/121C04B24/32C04B24/023C04B24/045C04B14/02C04B2103/54Y02W30/91
Inventor 穆建青蔡丽娜张瑞斌付国茂谢邦柱吕船姜京伟李鹏飞陶斌李登华高晋魁吴启东鲁淑华郭立华
Owner 山西省交通科技研发有限公司
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