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Universal interfacial binding agent

A technology of interfacial adhesive and mass ratio, applied in the directions of adhesives, adhesive types, polymer adhesive additives, etc., can solve problems such as the influence of self-adhesive coil bonding performance, and achieve convenient construction and short drying time. , the effect of good application performance

Active Publication Date: 2015-04-01
BEIJING ORIENTAL YUHONG WATERPROOF TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in actual engineering, the self-adhesive modified bitumen waterproofing membrane system often encounters many quality problems, and the existence of these quality problems involves all aspects, including the material itself, the primer material, the base layer, etc., and the relationship between them. The effect of different primer coating materials has a significant impact on the bonding performance of self-adhesive coils

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Accurately weigh 30g of epoxy-based co-solvent, 5g of diethanolamine, 2g of red iron oxide, 3g of precipitated barium sulfate and 2g of ethylene glycol glycidyl ether, add the above materials together into a stirring tank at 60°C, and stir for 1h until the system viscosity Almost uniform, then add 20g of component B to it, mix evenly and cool the resulting mixture to room temperature to obtain a universal interface adhesive.

[0022] When in use, apply the universal interface adhesive on the surface of the treated concrete, and the dosage is 0.3kg / m 2 .

[0023] At room temperature, the viscosity of the universal interface adhesive prepared in Example 1 is 200Cp, and the viscosity is still in a good flow state after an average of 180 minutes.

Embodiment 2

[0025] Accurately weigh 60g of epoxy-based co-solvent, 25g of N-methylolethanolamine, 10g of red iron oxide, 15g of mica powder and 20g of polypropylene glycol diglycidyl ether, and add the above materials together into a stirring tank at 60°C, and stir for 1 hour Until the viscosity of the system is almost uniform, then add 100g of component B to it, mix evenly and cool the resulting mixture to room temperature to obtain a universal interface adhesive.

[0026] When in use, apply the universal interface adhesive on the surface of the treated concrete, and the dosage is 0.3kg / m 2 .

[0027] At room temperature, the viscosity of the universal interface adhesive prepared in Example 2 is 220Cp, and the viscosity is still in a good flow state after an average of 180 minutes.

Embodiment 3

[0029] Accurately weigh 50g of epoxy-based co-solvent, 5g of N-propenyl ethanolamine, 5g of precipitated barium sulfate, 10g of hollow microspheres and 20g of ethylene glycol glycidyl ether, and add the above materials together into a stirring tank at 60°C, and stir for 1h Until the viscosity of the system is almost uniform, then add 16g of component B to it, mix evenly and cool the resulting mixture to room temperature to obtain a universal interface adhesive.

[0030] When in use, apply the universal interface adhesive on the surface of the treated concrete, and the dosage is 0.3kg / m 2 .

[0031] What is the viscosity of the universal interface adhesive prepared in Example 3 at room temperature? 215Cp, the viscosity is still in a good flow state after an average of 180 minutes.

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Abstract

The invention relates to a universal interfacial binding agent which comprises a component A and a component B, wherein the component A comprises the following raw materials in parts by weight: 30-50 parts of a cosolvent, 5-25 parts of en epoxy resin curing agent, 2-20 parts of a special auxiliary and 5-25 parts of filler; the component B is water soluble epoxy resin, and the weight ratio of the components A and B is (0.5-5):1. The universal interfacial binding agent provided by the invention has relatively low viscosity under room temperature, the necessary flowing property of the universal interfacial binding agent being used is guaranteed, the operable time is relatively long, and the construction pressure is greatly alleviated. The universal interfacial binding agent provided by the invention has the characteristics of being hard in coating, free of oil separation, short in drying time, green, environment-friendly and pollution-free and convenient to construct. Experiments verify that the viscosity of the universal interfacial binding agent provided by the invention at 20 DEG C is about 200cp and a good application performance for construction within 180 minutes after being mixed can be maintained.

Description

technical field [0001] The invention relates to a general interface adhesive. Background technique [0002] The universal interface adhesive is a new type of material that not only closes the pores and tiny defects on the surface of the concrete base, but also effectively enhances the bonding force between the concrete base material and the concrete surface coating such as polyurethane and polyurea. At present, it has been widely used in many fields such as high-speed railway bridge deck and civil building waterproof layer. The quality of the closed primer material directly affects the service life of the building. Therefore, this kind of primer material needs to be curable at room temperature, with high penetration, good sealing effect on the pores of the base surface and good compatibility with the cladding material, effectively strengthening the bond between the cladding material and the concrete base material. Performance characteristics such as adhesion, as well as go...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J163/00C09J11/04C09J11/08C09J11/06
Inventor 杨迎生林海侠
Owner BEIJING ORIENTAL YUHONG WATERPROOF TECH CO LTD
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