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Preparation method of concrete additive

An additive and concrete technology, applied in the field of building materials, can solve the problems of unsustainability, corrosion of steel bars, limited waterproof ability of waterproofing agents, etc., and achieve the effects of improving self-tightness, enhancing concrete activity, and improving anti-corrosion performance.

Inactive Publication Date: 2018-05-22
不二新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, on the one hand, these waterproofing agents have limited waterproofing ability and cannot last for a long time. In addition, it is very important to cause corrosion to the steel bars inside the concrete structure.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] The preparation method of the present embodiment concrete additive, this preparation process comprises the steps:

[0018] (1) The concrete additive is composed of the following components by weight: 6 parts of carboxylated graphene, 3 parts of zinc oxide powder, 4 parts of activated carbon, 30 parts of nano-scale light heavy calcium powder and 40 parts of polyester fiber;

[0019] (2) Put the carboxylated graphene, zinc oxide powder, activated carbon and nano-level light heavy calcium powder measured in step (1) into the mixer for mixing, measure and distribute them into packaging bags according to needs, and then add the required polyester The fiber is metered and put into the packed powder bag and sealed, which is the finished product.

Embodiment 2

[0021] The preparation method of the present embodiment concrete additive, this preparation process comprises the steps:

[0022] (1) The concrete additive is composed of the following components by weight: 12 parts of carboxylated graphene, 8 parts of zinc oxide powder, 7 parts of activated carbon, 40 parts of nano-scale light heavy calcium powder and 50 parts of polyester fiber;

[0023] (2) Put the carboxylated graphene, zinc oxide powder, activated carbon and nano-level light heavy calcium powder measured in step (1) into the mixer for mixing, measure and distribute them into packaging bags according to needs, and then add the required polyester The fiber is metered and put into the packed powder bag and sealed, which is the finished product.

Embodiment 3

[0025] The preparation method of the present embodiment concrete additive, this preparation process comprises the steps:

[0026] (1) The concrete additive is composed of the following components by weight: 9 parts of carboxylated graphene, 5 parts of zinc oxide powder, 6 parts of activated carbon, 35 parts of nano-scale light heavy calcium powder and 45 parts of polyester fiber;

[0027] (2) Put the carboxylated graphene, zinc oxide powder, activated carbon and nano-level light heavy calcium powder measured in step (1) into the mixer for mixing, measure and distribute them into packaging bags according to needs, and then add the required polyester The fiber is metered and put into the packed powder bag and sealed, which is the finished product.

[0028] The carboxylated graphene of the above-mentioned examples 1-3 is selected as powder, and its particle size is 500-600 mesh.

[0029] The particle size of the zinc oxide powder in the above-mentioned Examples 1-3 is 500-600 me...

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Abstract

The invention relates to a preparation method of a concrete additive. The additive is composed of the following components in parts by weight: 6 to 12 parts of carboxylated graphene, 3 to 8 parts of zinc oxide powder, 4 to 7 parts of active carbon, 30 to 40 parts of nano level mild heavy calcium powder, and 40 to 50 parts of polyester fiber. According to the preparation, weighed carboxylated graphene, zinc oxide powder, active carbon, and nano level mild heavy calcium powder are delivered to a forced mixer to mix the components mentioned above, then according to the needs, the mixture is filled into bags, then weighed polyester fibers are added into the bags, and finally the bags are sealed to obtain finished products. The provided concrete additive can greatly enhance the anti-cracking and anti-seepage performance of concrete, moreover, the anti-rust performance of steel bar structure is greatly strengthened, and the waterproof period of buildings is largely prolonged.

Description

technical field [0001] The invention belongs to the technical field of building materials, in particular to a preparation method of a concrete additive. Background technique [0002] Concrete, referred to as "concrete" for short, usually refers to using cement as the cementitious material, sand and stone as the aggregate, mixed with water in a certain proportion, and mixed. Concrete has the characteristics of rich raw materials, low price and simple production process, which makes it widely used. It is not only used in various civil engineering, but also in shipbuilding, machinery industry, marine development, geothermal engineering, etc. Concrete is also an important material . However, due to the characteristics of its own structure, concrete materials often leak during use, especially for those underground and underwater structural projects, which seriously affects and restricts the application of concrete materials. [0003] Therefore, various additives related to impr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B22/06
CPCC04B40/0042C04B14/024C04B22/06C04B14/026C04B14/28C04B16/0683
Inventor 耿晓滨
Owner 不二新材料科技有限公司
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