Method for preparing anti-crack mortar by using microcrystalline glass

文档序号：126814 发布日期：2021-10-22 浏览：29次中文

阅读说明：本技术 一种利用微晶玻璃制备抗裂砂浆的方法 (Method for preparing anti-crack mortar by using microcrystalline glass ) 是由苏舜峰郭志辉罗祥翰于 2021-07-20 设计创作，主要内容包括：本发明涉及抗裂砂浆领域,具体的涉及一种利用微晶玻璃制备抗裂砂浆的方法,抗裂砂浆原料组分及各组分的重量比例为：水泥30-40份、粗砂10-20份、细沙20-40份、玻璃纤维0.1-0.5份、改性剂2-5份、微晶玻璃细粉1-3份、矿物活化剂3-8份、水30-50份,混合并搅拌均匀,将搅拌均匀后的抗裂砂浆倒在预浇注区域,凝固24-36h,本发明制备的抗裂砂浆具有如下积极效果：向抗裂砂浆中引入微晶玻璃,能提高抗裂砂浆的抗裂性,耐腐蚀和冲刷能力,另一方面本发明的抗裂砂浆稳定性好,墙体使用过程中不会出现开裂空鼓的现象,市场前景广阔。(The invention relates to the field of anti-crack mortar, in particular to a method for preparing anti-crack mortar by using microcrystalline glass, which comprises the following raw material components in percentage by weight: 30-40 parts of cement, 10-20 parts of coarse sand, 20-40 parts of fine sand, 0.1-0.5 part of glass fiber, 2-5 parts of modifier, 1-3 parts of microcrystalline glass fine powder, 3-8 parts of mineral activator and 30-50 parts of water, mixing and uniformly stirring, pouring the uniformly stirred anti-crack mortar into a pre-pouring area, and solidifying for 24-36 hours, wherein the anti-crack mortar prepared by the invention has the following positive effects: the microcrystalline glass is introduced into the anti-crack mortar, so that the anti-crack, corrosion-resistant and scouring capabilities of the anti-crack mortar can be improved, and on the other hand, the anti-crack mortar disclosed by the invention is good in stability, free from cracking and hollowing in the use process of a wall body, and wide in market prospect.)

1. The method for preparing the anti-crack mortar by using the microcrystalline glass is characterized in that the anti-crack mortar comprises the following raw material components in parts by weight: 30-40 parts of cement, 10-20 parts of coarse sand, 20-40 parts of fine sand, 0.1-0.5 part of glass fiber, 2-5 parts of modifier, 1-3 parts of microcrystalline glass fine powder, 3-8 parts of mineral activator and 30-50 parts of water.

2. The method for preparing anti-crack mortar by using the microcrystalline glass as claimed in claim 1, wherein the coarse sand is 30-40 meshes, and the fine sand is 80-100 meshes.

3. The method for preparing the anti-crack mortar by using the glass-ceramic according to claim 1, wherein the glass fiber is at least one of alkali-resistant glass fiber and high-strength glass fiber.

4. The method for preparing the anti-crack mortar by using the microcrystalline glass according to claim 1, wherein the modifier is one of a redispersible latex powder and a polymer emulsion.

5. The method for preparing the anti-crack mortar by using the glass ceramics according to claim 1, wherein the fine powder of the glass ceramics is at least one of silicate glass and aluminosilicate glass.

6. The method for preparing anti-crack mortar by using microcrystalline glass as claimed in claim 1, wherein the mineral activator is at least 3 of ethylenediamine phosphate, xylene, sodium fluosilicate, ferrous sulfate and ammonium hydroxide.

7. The method for preparing the anti-crack mortar by using the microcrystalline glass as claimed in claim 1, wherein 30-40 parts by weight of cement, 10-20 parts by weight of coarse sand, 20-40 parts by weight of fine sand, 0.1-0.5 part by weight of glass fiber, 2-5 parts by weight of modifier, 1-3 parts by weight of microcrystalline glass fine powder, 3-8 parts by weight of mineral activator and 30-50 parts by weight of water are mixed and stirred uniformly, the anti-crack mortar after being stirred uniformly is poured into a pre-pouring area, and is solidified for 24-36 hours.

Technical Field

The invention relates to the field of anti-crack mortar, in particular to a method for preparing anti-crack mortar by using microcrystalline glass.

Background

The anti-cracking mortar is prepared by mixing cement, sandstone, polymer cementing agent and various additives uniformly by a machine, and mainly can meet a certain deformation and keep the mortar not to crack. The existing anti-crack mortar is actually the mortar mixed with polymer (glue) or the mortar mixed with fiber, if the links of construction, maintenance and the like are not good or water is not added in proportion, and the base surface treatment and the construction quality are poor, or the existing anti-crack mortar can still crack under the conditions of drying shrinkage, insolation, dry hot air and the like regardless of the situation after construction, so that a material capable of resisting cracking needs to be found, and the microcrystalline glass has the excellent characteristics of high mechanical strength, scouring resistance, erosion resistance, good chemical stability, adjustable expansion coefficient and the like, and can play a good role when being used in the anti-crack mortar.

Disclosure of Invention

The invention aims to overcome the technical defects in the prior art and provide a method for preparing anti-crack mortar by using microcrystalline glass.

In order to achieve the purpose, the invention provides a method for preparing anti-crack mortar by using microcrystalline glass, which comprises the following raw material components in parts by weight: 30-40 parts of cement, 10-20 parts of coarse sand, 20-40 parts of fine sand, 0.1-0.5 part of glass fiber, 2-5 parts of modifier, 1-3 parts of microcrystalline glass fine powder, 3-8 parts of mineral activator and 30-50 parts of water.

Preferably, the coarse sand is 30-40 meshes, and the fine sand is 80-100 meshes.

Preferably, the glass fiber is at least one of alkali-resistant glass fiber and high-strength glass fiber.

Preferably, the modifier is one of a redispersible latex powder and a polymer emulsion.

Preferably, the fine microcrystalline glass powder is at least one of silicate glass and aluminosilicate glass.

Preferably, the mineral activating agent is at least 3 of ethylenediamine phosphate, xylene, sodium fluosilicate, ferrous sulfate and ammonium hydroxide.

Preferably, 30-40 parts of cement, 10-20 parts of coarse sand, 20-40 parts of fine sand, 0.1-0.5 part of glass fiber, 2-5 parts of modifier, 1-3 parts of microcrystalline glass fine powder, 3-8 parts of mineral activator and 30-50 parts of water are mixed and uniformly stirred, and the uniformly stirred anti-crack mortar is poured into a pre-pouring area and solidified for 24-36 hours.

Through the technical scheme, the anti-crack mortar prepared by the invention has the following positive effects: the microcrystalline glass is introduced into the anti-crack mortar, so that the anti-crack, corrosion-resistant and scouring capabilities of the anti-crack mortar can be improved, and on the other hand, the anti-crack mortar disclosed by the invention is good in stability, free from cracking and hollowing in the use process of a wall body, and wide in market prospect.

Detailed Description

The endpoints of the ranges and any values disclosed herein are not limited to the precise range or value, and such ranges or values should be understood to encompass values close to those ranges or values. For ranges of values, between the endpoints of each of the ranges and the individual points, and between the individual points may be combined with each other to give one or more new ranges of values, and these ranges of values should be considered as specifically disclosed herein.

The invention provides a method for preparing anti-crack mortar by using microcrystalline glass, which comprises the following raw material components in parts by weight: 30 to 40 parts of cement, specifically, 30 parts, 32 parts, 34 parts, 36 parts, 38 parts, 40 parts and any value in the range of any two of these points, preferably 36 parts; specifically, the coarse sand 10 to 20 parts may be any value in the range of 10 parts, 12 parts, 14 parts, 16 parts, 18 parts, 20 parts, or any two of these values, and is preferably 16 parts; 20 to 40 parts of fine sand, specifically, for example, 20 parts, 24 parts, 28 parts, 32 parts, 36 parts, 40 parts and any value in the range of any two of these points, preferably 32 parts; 0.1-0.5 parts of glass fiber, preferably 0.3 parts; 2-5 parts of a modifier, preferably 4 parts; 1-3 parts of microcrystalline glass fine powder, preferably 2 parts; 3-8 parts of a mineral activating agent, preferably 5 parts; 30-50 parts of water, and preferably 40 parts of water.

According to the invention, according to the repeated research and development of the inventor, the coarse sand is 30-40 meshes, the fine sand is 80-100 meshes, and the anti-crack mortar has the best performance, wherein the coarse sand is 30-40 meshes, and the fine sand is 80-100 meshes.

In the method for preparing the anti-crack mortar by using the glass ceramics, the glass fiber is at least one of alkali-resistant glass fiber and high-strength glass fiber, the high-strength glass fiber is characterized by high strength and high modulus, the single fiber tensile strength of the glass fiber is 2800MPa, the alkali-resistant glass fiber is good in alkali resistance, can effectively resist the corrosion of high-alkali substances in cement, is strong in holding force, elastic modulus, impact resistance, tensile strength and bending strength, is high in non-combustible, anti-freezing, temperature and humidity change resistance, is excellent in anti-crack and anti-permeability, has the characteristics of strong designability, easy forming and the like, and the addition of the alkali-resistant glass fiber or the high-strength glass fiber can improve the strength of the anti-crack mortar and simultaneously can not cause cracking problems under the influence of sunlight, rainwater and the like.

In the method for preparing the anti-crack mortar by using the microcrystalline glass, the modifier is one of redispersible latex powder and polymer emulsion, the redispersible latex powder or the polymer emulsion has excellent waterproof performance and good bonding strength, increases the elasticity of the mortar and has longer open time, endows the mortar with excellent alkali resistance, improves the adhesiveness/bonding property, the breaking strength, the plasticity, the wear resistance and the construction property of the mortar, and after the redispersible latex powder or the polymer emulsion is added into the anti-crack mortar, the released particles are dispersed in a continuous phase of a slurry material, the anti-crack mortar slurry can absorb the moisture contained in the particles to hydrate, and the particles after dehydration can be agglomerated into a filamentous film layer to be distributed in the whole slurry material hardened body, so the waterproof performance of the anti-crack mortar hardened body is improved, and the particles with low viscosity and strong hydrophilicity are easy to permeate into pores of the hardened slurry, can ensure the compaction of the material and locally protect the anti-crack mortar under the action of moisture.

In the method for preparing the anti-crack mortar by using the microcrystalline glass, the microcrystalline glass fine powder is at least one of silicate glass and aluminosilicate glass, and the microcrystalline glass has the excellent characteristics of high mechanical strength, scouring resistance, erosion resistance, good chemical stability, adjustable expansion coefficient and the like.

In the method for preparing the anti-crack mortar by using the microcrystalline glass, the mineral activating agent is at least 3 of ethylenediamine phosphate, dimethylbenzene, sodium fluosilicate, ferrous sulfate and ammonium hydroxide, and in order to obtain a better effect, the mineral activating agent is applied to the anti-crack mortar, so that the strength, the water retention property and the flowability of the microcrystalline glass in the anti-crack mortar are improved, the workability, the operability and the water retention property of the anti-crack mortar are improved, the tensile bonding strength and the anti-crack strength are enhanced, the fracture ratio is controlled, and the quality and the construction performance of the anti-crack mortar are good.

According to the method for preparing the anti-crack mortar by using the microcrystalline glass, 30-40 parts of cement, 10-20 parts of coarse sand, 20-40 parts of fine sand, 0.1-0.5 part of glass fiber, 2-5 parts of modifier, 1-3 parts of microcrystalline glass fine powder, 3-8 parts of mineral activator and 30-50 parts of water are mixed and uniformly stirred, the uniformly stirred anti-crack mortar is poured into a pre-pouring area, and the mixture is solidified for 24-36 hours.

The present invention will be described in detail below by way of examples.

Example 1