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Environment-friendly concrete water-based epoxy repair mortar

An environmentally friendly concrete and repair mortar technology, applied in the field of building materials, can solve the problems of affecting material performance, high requirements for the base layer, and high toxicity, etc., achieve good compressive strength and flexural strength, expand the application range, and avoid environmental pollution Effect

Inactive Publication Date: 2018-01-26
甘肃众鼎工程科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The currently used epoxy mortar is oily epoxy mortar, which is highly toxic and irritating during the construction process. Except for stainless steel, nickel, glass, and ceramics, other materials are in danger of being corroded and exothermic when they come into contact with it. When repairing concrete, it will affect the performance of existing materials and bring harm to the health of construction personnel
In addition, when the existing epoxy mortar is used, it has higher requirements on the treatment of the base layer, and usually requires the base layer to be kept dry, but it is usually difficult to meet the drying requirements at the construction site

Method used

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Embodiment Construction

[0015] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0016] The invention provides a kind of water-based epoxy repair mortar, its production process flow chart, as figure 1 Shown, this water-based epoxy repair mortar is specifically made according to the following steps:

[0017] 1) In parts by weight, take 90 parts of bisphenol A epoxy resin and 10 parts of C12-14 alkyl glycidyl ether, mix and stir evenly to obtain component A;

[0018] Bisphenol A epoxy resin adopts liquid E-51 bisphenol A epoxy resin;

[0019] According to mass percentage, respectively take 99.35% of non-ionic modified polyamine curing agent, 0.5% of wetting agent and 0.15% of defoamer, mix and disperse evenly to obtain component B;

[0020] 2) According to the weight ratio of 1:1, take quartz sand with a particle size of 20-40 mesh and quartz sand with a particle size of 40-80 mesh, and mix them evenly to obtain a mixture...

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Abstract

The invention discloses environment-friendly concrete water-based epoxy repair mortar. The mortar is prepared through mixing bisphenol A epoxy resin and C12-14 alkyl glycidyl ether to obtain a component A, mixing a nonionic modified polyamine curing agent, a wetting agent and a defoaming agent, carrying out uniform dispersion to obtain a component B, mixing two types of quartz sand with differentgranularities to obtain a sand mixture, uniformly mixing cement and the sand mixture to obtain a sand raw material, mixing the components A and B, carrying out stirring to obtain paste, adding 1 / 3 oftap water into the paste, carrying out unfirom stirring, adding the rest of the tap water into the mixture, carrying out uniform stirring to obtain an epoxy resin mixed solution, mixing the sand raw material and the epoxy resin mixed solution and carrying out uniform stirring to obtain the environment-friendly concrete water-based epoxy repair mortar. The repair mortar does not contain an organicsolvent, prevents environmental pollution and potential safety hazard, does not influence material performances in use, satisfies the concrete repairing requirements and is free of higher-level treatment on the base layer.

Description

technical field [0001] The invention belongs to the technical field of building materials, and relates to an environment-friendly concrete water-based epoxy repair mortar, which is used for repairing concrete defects caused by concrete carbonation, shedding, cracking, protective layer damage and the like. Background technique [0002] The superior performance and economy of concrete make it an indispensable building material for modern industry, hydropower, bridges, tunnels, and civil buildings. Common concrete is generally made of cementitious material (cement), water and coarse and fine aggregates in appropriate proportions, mixed into an admixture, and hardened after a certain period of time. With the advancement of urbanization and modernization in our country, the problems of corrosion protection and post-maintenance of concrete structures come with it. The surface protection technology of concrete structures is a major scientific and technological issue related to the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00
Inventor 陈永德王永刚徐伟何万鹏刘尚鑫
Owner 甘肃众鼎工程科技有限公司
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