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Epoxy resin steel pouring adhesive and preparation method thereof

A technology of epoxy resin and adhesive, which is applied in the direction of epoxy resin glue, adhesive, adhesive additive, etc., can solve the problem of lower bonding strength under water, epoxy adhesive cannot meet structural reinforcement, and cannot be completely submerged in water. Under the curing and other problems, to achieve excellent chemical resistance, excellent reactivity, the effect of saving the amount of glue used

Inactive Publication Date: 2016-12-21
CARBON COMPOSITESTIANJIN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] With the rapid development of engineering structure reinforcement, conventional epoxy adhesives cannot meet the special requirements of structural reinforcement, such as high and low temperature environments, underwater environments, etc.
The current underwater structural adhesives use curing agents such as ketimine curing agents and modified alicyclic amine curing agents, such as 1085, which can only be used in humid environments and cannot be completely cured underwater. When used in water Water absorption and whitening will occur, resulting in a serious reduction in underwater bonding strength

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] An epoxy resin adhesive for pouring steel, which is composed of component A and component B at a weight-to-component ratio of 2:1. The components of component A are as follows: bisphenol A 100 parts of type resin, 2 parts of toughening agent, 1 part of reactive diluent, 1 part of silane coupling agent, 3 parts of white carbon black, 150 parts of active silicon micropowder, the components of B are as follows by weight: modified phenolic 40 parts of amine curing agent, 1 part of silane coupling agent, 1 part of white carbon black, 170 parts of active silica powder.

[0020] The modified phenalkamine curing agent is a modified phenalkamine curing agent with an active hydrogen equivalent of 100-160.

[0021] The reactive diluent is reactive diluent AGE, that is, carbon dodecyl-carbon tetradecyl glycidyl ether.

[0022] The powder diameter of the active silicon micropowder is 400-800 mesh.

[0023] The present invention also provides a preparation method of an epoxy resin-...

Embodiment 2

[0028] An epoxy resin adhesive for pouring steel, which is composed of component A and component B at a weight-to-component ratio of 2:1. The components of component A are as follows: bisphenol A 100 parts of resin, 4 parts of toughening agent, 3 parts of reactive diluent, 3 parts of silane coupling agent, 7 parts of white carbon black, 180 parts of active silicon micropowder, and the components of B component are as follows according to weight: modified phenolic 50 parts of amine curing agent, 3 parts of silane coupling agent, 3 parts of white carbon black, 200 parts of active silica powder.

[0029] The modified phenalkamine curing agent is a modified phenalkamine curing agent with an active hydrogen equivalent of 100-160.

[0030] The reactive diluent is reactive diluent AGE, that is, carbon dodecyl-carbon tetradecyl glycidyl ether.

[0031] The powder diameter of the active silicon micropowder is 400-800 mesh.

[0032] The present invention also provides a preparation me...

Embodiment 3

[0037] An epoxy resin adhesive for pouring steel, which is composed of component A and component B at a weight-to-component ratio of 2:1. The components of component A are as follows: bisphenol A 100 parts of type resin, 6 parts of toughening agent, 5 parts of reactive diluent, 5 parts of silane coupling agent, 10 parts of white carbon black, 220 parts of active silica powder, and the components of B component are as follows according to weight: modified phenolic 60 parts of amine curing agent, 4 parts of silane coupling agent, 4 parts of white carbon black, 230 parts of active silica powder.

[0038] The modified phenalkamine curing agent is a modified phenalkamine curing agent with an active hydrogen equivalent of 100-160.

[0039] The reactive diluent is reactive diluent AGE, that is, carbon dodecyl-carbon tetradecyl glycidyl ether.

[0040] The powder diameter of the active silicon micropowder is 400-800 mesh.

[0041] The present invention also provides a preparation me...

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Abstract

The invention discloses an epoxy resin steel pouring adhesive, which is synthesized from a component A and a component B in a weight ratio of 2:1. The component A is composed of the following components by weight: 100 parts of bisphenol A resin, 2-6 parts of a toughening agent, 1-5 parts of an active diluents, 1-5 parts of a silane coupling agent, 3-10 parts of white carbon black, and 150-220 parts of active silica powder, and the component B is composed of the following components by weight: 40-60 parts of a modified phenolic amine curing agent, 1-4 parts of a silane coupling agent, 1-4 parts of white carbon black, and 170-230 parts of active silica powder. The adhesive provided by the invention can be cured rapidly under water, also the aromatic ring structure of phenolic amine endows the adhesive with excellent chemical resistance, hydroxyl provides high bonding strength and excellent reaction activity for fast curing and low temperature curing, the side chain provides water resistance and toughness, the adhesive has good thixotropy, does not flow during construction, and saves adhesive consumption.

Description

technical field [0001] The invention relates to the technical field of adhesives, in particular to an epoxy resin adhesive for pouring steel and a preparation method thereof. Background technique [0002] Engineering structure reinforcement is an emerging industry, which refers to the necessary structural transformation and reinforcement when the structural system of a building or structure cannot meet the requirements of use. In engineering structure reinforcement, structural reinforcement adhesive is a kind of construction adhesive with polymer synthetic material as the main component. With the rapid development of the structural reinforcement industry, epoxy resin (EP) construction adhesives have become an important construction material for building repair and bonding reinforcement today. Reinforcement structural adhesives include steel glue, steel filling glue, planting glue, impregnating glue, carbon plate glue, etc. Steel glue, as one of the main construction adhesiv...

Claims

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Application Information

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IPC IPC(8): C09J163/00C09J11/04C09J11/06C08G59/62
CPCC09J163/00C08G59/62C08K3/36C08K5/54C09J11/04C09J11/06
Inventor 赵颖
Owner CARBON COMPOSITESTIANJIN CO LTD
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