阅读说明：本技术 混凝土表面增强剂 (Concrete surface reinforcing agent ) 是由 李瑞峰 耿利娜 于 2021-07-07 设计创作，主要内容包括：本发明提供混凝土表面增强剂,混凝土表面增强剂,所述增强剂包括以下重量份的原材料：增强主原料80-90份；负离子粉5-8份；纳米二氧化钛1-3份；稀土氧化物1-3份；石墨烯粉4-5份；稳定剂0.5-0.8份,所述增强主原料包括以下重量份的原材料：甘醇8-15份、三乙醇胺2-4份、丙二醇3-5份、糖稀15-20份、无水亚硫酸钠2-4份,所述负离子颗粒包括以下重量份的原材料：砭石2-5份、电气石1-2份、奇冰石2-3份、磁石1-2份。本发明的增强剂提高了混凝土的抗开裂和抗压性,同时使得混凝土能够均匀释放负离子,提高周围环境质量,对人体具有保健作用。(The invention provides a concrete surface reinforcing agent which comprises the following raw materials in parts by weight: 80-90 parts of reinforced main raw materials; 5-8 parts of anion powder; 1-3 parts of nano titanium dioxide; 1-3 parts of rare earth oxide; 4-5 parts of graphene powder; 0.5-0.8 part of stabilizer, wherein the reinforced main raw material comprises the following raw materials in parts by weight: 8-15 parts of glycol, 2-4 parts of triethanolamine, 3-5 parts of propylene glycol, 15-20 parts of syrup and 2-4 parts of anhydrous sodium sulfite, wherein the negative ion particles comprise the following raw materials in parts by weight: 2-5 parts of stone needle, 1-2 parts of tourmaline, 2-3 parts of rare ice stone and 1-2 parts of magnet. The reinforcing agent improves the cracking resistance and the compressive resistance of concrete, enables the concrete to uniformly release negative ions, improves the quality of the surrounding environment and has a health-care effect on human bodies.)

1. The concrete surface reinforcing agent is characterized in that: the reinforcing agent comprises the following raw materials in parts by weight: 40-50 parts of reinforced main raw materials; 5-8 parts of anion powder; 1-3 parts of nano titanium dioxide; 1-3 parts of rare earth oxide; 4-5 parts of graphene powder; 0.5-0.8 part of stabilizer.

2. The concrete surface enhancer according to claim 1, characterized in that: the reinforced main raw material comprises the following raw materials in parts by weight: 8-15 parts of glycol, 2-4 parts of triethanolamine, 3-5 parts of propylene glycol, 15-20 parts of syrup and 2-4 parts of anhydrous sodium sulfite.

3. The concrete surface enhancer according to claim 1, characterized in that: the negative ion particles comprise the following raw materials in parts by weight: 2-5 parts of stone needle, 1-2 parts of tourmaline, 2-3 parts of rare ice stone and 1-2 parts of magnet.

4. A concrete surface enhancer according to claim 3, characterized in that: the preparation method of the anion powder comprises mixing stone needle, tourmaline and magnet, and grinding into powder by ultramicro pulverization.

5. The concrete surface enhancer according to claim 2, characterized in that: the preparation method of the reinforced main raw material comprises the steps of mixing glycol, triethanolamine, propylene glycol, syrup and anhydrous sodium sulfite, adding a small amount of water, and uniformly mixing.

6. The concrete surface enhancer according to claim 1, characterized in that: the preparation method comprises the following steps:

s1, mixing the graphene powder in parts by mass with a stabilizer to pre-infiltrate the graphene powder to obtain a graphene premix;

s2, pouring the obtained graphene premix into the reinforced main raw material, and stirring for 20-30 minutes by high-speed magnetic force to obtain a mixed solution;

and S3, adding the negative ion powder, the nano titanium dioxide and the rare earth oxide into the mixed solution, and stirring for 15-20 minutes again to obtain the reinforcing agent.

7. The concrete surface enhancer according to claim 1, characterized in that: the rare earth oxide is cerium oxide.

8. The concrete surface enhancer according to claim 1, characterized in that: the stabilizer is one or more of pyridine acid, sodium poly-p-styrene sulfonate and polyvinylpyrrolidone.

Technical Field

The invention relates to the technical field of concrete, in particular to a concrete surface reinforcing agent.

Background

In the actual construction process of concrete engineering, the type of cement, the water cement ratio of concrete and even the use of some additives which affect the strength of concrete all affect the use strength of concrete. For projects with clear requirements on the lightness of concrete, how to better maintain and even improve the strength of the concrete needs to introduce other additives for adjustment, the concrete reinforcing agent is an additive for improving the strength of the concrete, the concrete surface reinforcing agent has extremely low surface tension and can quickly permeate into the concrete to perform secondary reaction with byproducts of cement hydration in the concrete, such as calcium hydroxide, to generate a large amount of silicon dioxide gel, and the gel can block capillary micropores in the concrete, so that the compactness, compressive strength, hardness and wear resistance of the surface of the concrete are improved.

However, the existing concrete still has not high enough resistance under the action of a concrete reinforcing agent, and with the progress of development and life of science and technology, the requirements of people on healthy materials are higher and higher, and the modified polymer material capable of releasing anions is more and more paid attention by scientific workers to the improvement of the living environment of people.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a concrete surface reinforcing agent, and solves the problems that the existing concrete in the prior art has insufficient resistance under the action of the concrete reinforcing agent and does not have the functions of environmental protection, environment improvement and health care.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the concrete surface reinforcing agent comprises the following raw materials in parts by weight: 40-50 parts of reinforced main raw materials; 5-8 parts of anion powder; 1-3 parts of nano titanium dioxide; 1-3 parts of rare earth oxide; 4-5 parts of graphene powder; 0.5-0.8 part of stabilizer, nano titanium dioxide is a photocatalyst, but the photocatalytic activity is not high enough, rare earth oxide and negative ion can improve the photocatalytic activity to ensure that the rare earth oxide and negative ion have the effect of purifying air, and negative ion powder can continuously release negative ions, so that the combination of the three has the effect of enhancing the release of the negative ions.

Preferably, the reinforced main raw material comprises the following raw materials in parts by weight: 8-15 parts of glycol, 2-4 parts of triethanolamine, 3-5 parts of propylene glycol, 15-20 parts of syrup and 2-4 parts of anhydrous sodium sulfite.

Preferably, the negative ion particles comprise the following raw materials in parts by weight: 2-5 parts of stone needle, 1-2 parts of tourmaline, 2-3 parts of rare ice stone and 1-2 parts of magnet.

Preferably, the anion powder is prepared by mixing stone needle, tourmaline and magnet, and grinding into powder by ultramicro pulverization.

Preferably, the preparation method of the reinforced main raw material is to mix the glycol, the triethanolamine, the propylene glycol, the syrup and the anhydrous sodium sulfite, and add a small amount of water to mix uniformly.

The preparation method of the concrete surface reinforcing agent comprises the following steps:

s1, mixing the graphene powder in parts by mass with a stabilizer to pre-infiltrate the graphene powder to obtain a graphene premix; the solubility and the compatibility with other raw materials of the graphene are improved, the conjugated structure of the graphene is not damaged, and the excellent performance of the graphene can be maintained.

S2, pouring the obtained graphene premix into the reinforced main raw material, and stirring for 20-30 minutes by high-speed magnetic force to obtain a mixed solution;

and S3, adding the negative ion powder, the nano titanium dioxide and the rare earth oxide into the mixed solution, and stirring for 15-20 minutes again to obtain the reinforcing agent.

Preferably, the rare earth oxide is cerium oxide.

Preferably, the stabilizer is one or more of pyridine acid, sodium polytereene sulfonate and polyvinylpyrrolidone, so that the graphene is kept stable and agglomeration is avoided.

(III) advantageous effects

The invention provides a concrete surface reinforcing agent and a preparation method thereof. The method has the following beneficial effects:

1. according to the invention, the graphene powder is dissolved in the reinforcing raw material in a blending mode, and the reinforcing agent has excellent ductility and is attached to the concrete by utilizing the multilayer sheet structure and the hexagonal network molecular structure of the graphene, so that the cracking resistance and the pressure resistance of the concrete are improved.

2. According to the invention, the anion powder, the nano titanium dioxide and the rare earth oxide are added, so that the effect of enhancing the effect can be achieved by compounding the three components together, the rare earth oxide can improve the anion release amount of the anion powder, the photocatalysis performance of the nano titanium dioxide, the antibacterial activity of the nano titanium dioxide can be excited by matching with the anion powder, the far infrared rays are continuously released under the irradiation of sunlight, and the air purifying, antibacterial and health-care effects can be improved by combining the three components. The concrete using the reinforcing agent has the advantages of increased strength, antibacterial and antiseptic properties, prolonged service life and health care.

Detailed Description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

the embodiment of the invention provides a surface reinforcing agent for mixed concrete, which comprises the following raw materials in parts by weight: 48 parts of reinforced main raw materials; 7 parts of anion powder; 2 parts of nano titanium dioxide; 1 part of rare earth oxide; 3 parts of graphene powder; 0.5 part of stabilizer.

The reinforced main raw material comprises the following raw materials in parts by weight: 15 parts of glycol, 2 parts of triethanolamine, 3 parts of propylene glycol, 18 parts of syrup and 3 parts of anhydrous sodium sulfite.

The negative ion particles comprise the following raw materials in parts by weight: 3 parts of stone needle, 2 parts of tourmaline, 2 parts of mirabilite and 1 part of magnet.

The preparation method of the anion powder comprises the steps of mixing the stone needle, the tourmaline and the magnet and grinding the mixture into powder through superfine grinding, wherein the stone needle, the tourmaline and the tourmaline have the functions of releasing anions for a long time, emitting far infrared rays and playing roles in purifying air and protecting health.

The preparation method of the reinforced main raw material is characterized in that glycol, triethanolamine, propylene glycol, syrup and anhydrous sodium sulfite are mixed, and a small amount of water is added to be uniformly mixed to obtain the reinforced main raw material.

The preparation method of the concrete surface reinforcing agent comprises the following steps:

s1, mixing the graphene powder in parts by mass with a stabilizer to pre-infiltrate the graphene powder to obtain a graphene premix; the solubility and the compatibility with other raw materials of the graphene are improved, the conjugated structure of the graphene is not damaged, and the excellent performance of the graphene can be maintained.

S2, pouring the obtained graphene premix into the reinforced main raw material, and stirring for 20-30 minutes by high-speed magnetic force to obtain a mixed solution;

and S3, adding the negative ion powder, the nano titanium dioxide and the rare earth oxide into the mixed solution, and stirring for 15-20 minutes again to obtain the reinforcing agent.

The rare earth oxide is cerium oxide, and the catalytic action of the rare earth is utilized to enable the system consisting of the nano titanium dioxide, water and air to generate active oxygen free radicals, and then the active oxygen free radicals further act with bacterial cell membranes, so that the purpose of killing bacteria is achieved.

The stabilizer is one or more of pyridine acid, sodium poly-p-styrene sulfonate and polyvinylpyrrolidone, so that the graphene is kept stable and agglomeration is avoided.

Example two:

the embodiment of the invention provides a concrete surface reinforcing agent, which is different from the first embodiment in that: the reinforcing agent comprises the following raw materials in parts by weight: 45 parts of reinforced main raw material; 6 parts of anion powder; 3 parts of nano titanium dioxide; 2 parts of rare earth oxide; 4 parts of graphene powder; 0.8 part of stabilizer.

The reinforced main raw material comprises the following raw materials in parts by weight: 10 parts of glycol, 4 parts of triethanolamine, 4 parts of propylene glycol, 20 parts of syrup and 2 parts of anhydrous sodium sulfite.

The negative ion particles comprise the following raw materials in parts by weight: 5 parts of stone needle and 2 parts of tourmaline.

Example three:

the embodiment of the invention provides a concrete surface reinforcing agent, which is different from the first embodiment in that: 40 parts of reinforced main raw material; 7 parts of anion powder; 2.5 parts of nano titanium dioxide; 2.5 parts of rare earth oxide; 4.5 parts of graphene powder; 0.7 part of stabilizer.

The negative ion particles comprise the following raw materials in parts by weight: tourmaline and magnetite 2 parts.

The concrete negative ion release amount of the reinforcing agents of the examples one to three is detected to be more than 6000.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.