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Steel sticking glue for building structure and preparation method of steel sticking glue

A technology for building structures and steel glue, which is applied in the direction of adhesives, epoxy resin glue, adhesive types, etc., can solve the problems of prolonging the construction period, slow curing speed of steel glue, and inability to cure, so as to improve the bonding strength and reduce the Poor performance, effect of improving fluidity

Active Publication Date: 2022-04-12
深圳市凯龙建筑加固技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above-mentioned related technologies, the inventors found that: in low-temperature and humid environment, the curing speed of the adhesive steel adhesive is slow or even impossible to cure, thereby greatly prolonging the construction period

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] S1, 207kg bisphenol A type epoxy resin, 5kg thixotropic agent and 5kg carbon black are stirred and mixed, 90kg hydroxypropyl acrylate resin, 5kg acetone, 10kg quicklime powder and 10kg sodium fatty acid methyl ester sulfonate are stirred and mixed, Stir and mix 156kg of curing agent, 20kg of microsilica, 20kg of montmorillonite and 10kg of fumed silica to obtain three kinds of mixtures;

[0033] S2, the above three mixtures are stirred and mixed uniformly to obtain a steel glue.

Embodiment 2

[0035] S1, 180kg bisphenol A type epoxy resin, 9kg toughening agent, 18kg thinner, 5kg thixotropic agent and 5kg carbon black are stirred and mixed, 90kg hydroxypropyl acrylate resin, 5kg acetone, 10kg quicklime powder and 10kg fatty acid are mixed Sodium methyl sulfonate is stirred and mixed evenly, and 120kg of curing agent, 24kg of accelerator, 12kg of coupling agent, 20kg of microsilica, 20kg of montmorillonite and 10kg of gas-phase silica are stirred and mixed to obtain three kinds of mixtures in total;

[0036] S2, the above three mixtures are stirred and mixed uniformly to obtain a steel glue.

Embodiment 3

[0038] S1, 207kg bisphenol A type epoxy resin, 7.5kg thixotropic agent and 7.5kg carbon black are stirred and mixed, 100kg hydroxypropyl acrylate resin, 5kg acetone, 15kg quicklime powder and 15kg sodium fatty acid methyl ester sulfonate are stirred and mixed Evenly, stir and mix 208kg of curing agent, 30kg of microsilica, 30kg of montmorillonite and 15kg of fumed silica to obtain three kinds of mixtures in total;

[0039] S2, the above three mixtures are stirred and mixed uniformly to obtain a steel glue.

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Abstract

The invention relates to the technical field of concrete member reinforcement, and particularly discloses sticky steel glue for a building structure and a preparation method of the sticky steel glue. The sticky steel glue for the building structure comprises the following components in parts by weight: 207-345 parts of a component A, 90-110 parts of a component B, 156-260 parts of a curing system, 25-55 parts of a modifier, 50-100 parts of filler and 5-15 parts of an additive, the component A comprises bisphenol A epoxy resin, the component B comprises hydroxypropyl acrylate resin, the curing system comprises a curing agent, and the modifier comprises a curing agent. The modifier comprises acetone, quicklime powder and fatty acid methyl ester sodium sulfonate, and the weight ratio of the acetone to the quicklime powder to the fatty acid methyl ester sodium sulfonate is (1-3): (2-4): (2-4). The sticky steel glue for the building structure can be used for sticky steel construction in a low-temperature humid environment, and has the advantage of shortening the construction period.

Description

technical field [0001] The present application relates to the field of reinforcement technology for concrete components, and more particularly, to a steel adhesive for building structures and a preparation method thereof. Background technique [0002] The reinforcement mechanism of bonded steel is to use high-performance epoxy adhesive to bond the steel plate to the surface of the concrete member, and the steel plate and the concrete member form a unified whole, and the good tensile strength of the steel plate is used to enhance the bearing capacity and stiffness of the concrete member Purpose. [0003] In the related art, epoxy resin is usually used as the A component, and the curing agent is used as the B component. After the A component and the B component are stirred and mixed evenly in the ratio of 2:1, the epoxy resin is used on the surface of the concrete member and the bonding surface of the steel plate. Smear adhesive steel glue on it, and then glue the steel plate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J163/00C09J133/14C09J11/04C09J11/06
CPCY02W30/91
Inventor 张伟张慧
Owner 深圳市凯龙建筑加固技术有限公司
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