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Glue for prime coating of wet concrete surface and preparation method of glue

A concrete surface, wet technology, applied in the direction of adhesive, epoxy glue, adhesive type, etc., can solve the problems of low bonding strength, degumming, etc.

Pending Publication Date: 2021-06-22
ZHENGZHOU ZHONGYUAN SILANDE HIGH TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Concrete structures are widely used in bridges, highways, railways, civil and other projects. During use, because concrete materials are porous structures, their bonding strength with elastic sealants such as polysulfide, silicone, and polyurethane is low, and it is difficult to prone to degumming

Method used

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  • Glue for prime coating of wet concrete surface and preparation method of glue

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The glue for wet concrete surface and primer in this embodiment is formed by uniformly mixing component A and component B with a mass ratio of 3:1;

[0026] Among them, component A is composed of the following components in parts by weight: 38 parts of bisphenol A epoxy resin 128, 8 parts of reactive diluent XY748, 0.8 parts of coupling agent KH-560, 35 parts of active silicon Micronized, 19 parts of light activated calcium carbonate. The B component consists of the following components in parts by weight: 18 parts of modified fatty amine curing agent (amine value 580mgKOH / g, viscosity 2500cp), 18 parts of amidoamine curing agent (amine value 280mg KOH / g, viscosity is 1000cp), 12 parts of alicyclic amine curing agent (amine value is 650mgKOH / g, viscosity is 1500cp), 35 parts of active silica powder, 17 parts of light active calcium carbonate.

[0027] The preparation method of the wet concrete surface primer of the present embodiment comprises the following steps: the ...

Embodiment 2

[0030] The glue for wet concrete surface and primer in this embodiment is formed by uniformly mixing component A and component B with a mass ratio of 3:1;

[0031] Wherein, component A is composed of the following components in parts by weight: 35 parts of bisphenol A type epoxy resin 128, 3 parts of bisphenol F type epoxy resin 170, 6 parts of reactive diluent XY748, 1 part of Coupling agent KH-560, 38 parts of active silica powder, 15 parts of light active calcium carbonate. The B component consists of the following parts by weight: 29 parts of modified fatty amine curing agent (amine value 580mgKOH / g, viscosity 2500cp), 15 parts of alicyclic amine curing agent (amine value 650mgKOH / g, viscosity is 1500cp), 40 parts of active silica powder, 17 parts of light active calcium carbonate.

[0032] The preparation method of the wet concrete surface primer of the present embodiment comprises the following steps: the preparation of A component: the bisphenol A type epoxy resin 128...

Embodiment 3

[0034] The adhesive for wet concrete surface and primer in this embodiment is formed by uniformly mixing component A and component B with a mass ratio of 2.5:1;

[0035] Wherein, A component is made up of the component of following parts by weight: described A component is as follows according to weight component: 50 parts of bisphenol A type epoxy resin 128, 10 parts of reactive diluent XY622, 1 part of diluent Joint agent KH-560, 17 parts of active silica powder, 23 parts of light active calcium carbonate. The B component is made up of the following components by weight: 28 parts of modified alicyclic amine curing agents (amine value is 650 mgKOH / g, viscosity is 1500 cp), 20 parts of amidoamine curing agents (amine value is 280mgKOH / g, viscosity is 1000cp), 32 parts of active silica powder, 20 parts of light activated calcium carbonate.

[0036] The preparation method of the wet concrete surface primer of the present embodiment comprises the following steps: the preparation...

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Abstract

The invention relates to glue for prime coating of a wet concrete surface and a preparation method of the glue. The glue for prime coating of the wet concrete surface is prepared by uniformly mixing a component A and a component B in a mass ratio of (2.5-3): 1, wherein the component A is prepared from the following raw materials in parts by weight: 30 to 50 parts of epoxy resin, 4 to 10 parts of reactive diluent, 0.5 to 1 part of coupling agent and 40 to 60 parts of filler; the component B is prepared from the following raw materials in parts by weight: 40 to 60 parts of curing agent and 40 to 60 parts of filler. According to the glue for prime coating of the wet concrete surface, concrete and elastic sealant for a building are firmly bonded together, and the glue for the base coat of the wet concrete surface can realize good bonding of elastic sealant materials for the building, such as polysulfide sealant, organic silicon sealant and polyurethane, on the surface of the glue; therefore, effective permeation of concrete on a wet surface is realized, and good adhesion and good long-term water resistance are realized.

Description

technical field [0001] The invention relates to an adhesive, in particular to an adhesive for wet concrete surface primer which can be well bonded to various sealing materials for concrete primer and a preparation method thereof. Background technique [0002] Whether it is for the outer enclosure of the building, the interior decoration of the building, or the enclosure and decorative structure of the window structure, they can be regarded as a unit composition, and there will be joints between each unit, most of which require building seals. The service life of construction sealant is largely reflected in its adhesion to the substrate. Concrete structures are widely used in bridges, highways, railways, civil and other projects. During use, because concrete materials are porous structures, their bonding strength with elastic sealants such as polysulfide, silicone, and polyurethane is low, and it is difficult to Degumming is easy to occur. Contents of the invention [000...

Claims

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Application Information

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IPC IPC(8): C09J163/02C08G59/54C08G59/50
CPCC09J163/00C08G59/54C08G59/5006C08G59/5026C08K2003/265C08L2205/025C08L63/00C08K3/36C08K3/26C08K5/5435
Inventor 张燕红屈雪艳吴欢胡生祥杨忠奎曹兴园秦瑞瑞
Owner ZHENGZHOU ZHONGYUAN SILANDE HIGH TECH CO LTD
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