阅读说明：本技术 一种修补墙体结构性裂缝的注浆型硅藻泥 (Grouting type diatom ooze for repairing structural cracks of wall ) 是由 郑茂财 徐正常 尹建荣 于 2021-04-23 设计创作，主要内容包括：本发明公开了一种修补墙体结构性裂缝的注浆型硅藻泥,可以修补墙体结构性裂缝,注入后与墙体裂面可紧密结合,具有较好的柔韧性,减少墙体造成二次开裂的可能性。本发明注浆型硅藻泥能均匀渗透细小裂缝,抗开裂；漆膜的柔韧性、拉伸强度和粘结强度更强,增加腻子耐水性能,使得该涂料可以修补墙面的细小裂纹,不易开裂,且施工方便。本产品通过加水搅拌均匀后并灌装于固定容器中,得到类似注射器的墙面裂缝修补棒,通过挤压填充裂缝,并保证干燥后不会出现小裂缝。(The invention discloses grouting type diatom ooze for repairing structural cracks of a wall, which can repair the structural cracks of the wall, can be tightly combined with the crack surfaces of the wall after being injected, has better flexibility and reduces the possibility of secondary cracking of the wall. The grouting diatom ooze can uniformly penetrate fine cracks and resist cracking; the paint film has stronger flexibility, tensile strength and bonding strength, and the water resistance of the putty is improved, so that the paint can repair tiny cracks on the wall surface, is not easy to crack, and is convenient to construct. This product is through adding water after the stirring and filling in fixed container, obtains the wall crack repair stick of similar syringe, fills the crack through the extrusion to little crack can not appear after guaranteeing to dry.)

1. The utility model provides a repair slip casting type diatom mud in wall structure nature crack which characterized in that, includes powder and water, and the mass ratio of powder and water is 1: (0.4-0.8);

the powder comprises the following raw materials in parts by weight:

10-25 parts of diatomite, 1-6 parts of bentonite, 5-15 parts of active silica powder, 0.2-1 part of L-tartaric acid, 0.2-1 part of thixotropic lubricant, 0.2-1 part of water repellent, 0.2-1 part of water reducing agent and 20-50 parts of cementing material.

2. The grouting type diatom ooze for repairing structural cracks of a wall body according to claim 1, wherein the powder comprises the following raw materials in parts by weight: 15 parts of diatomite, 3 parts of bentonite, 9.2 parts of active silica powder, 0.5 part of thixotropic lubricant, 0.3 part of water repellent, 0.2 part of water reducing agent, 0.2 part of L + tartaric acid and 25 parts of cementing material.

3. The grouting type diatom ooze for repairing structural cracks in a wall according to claim 1, wherein the particle size of the diatom ooze is 800 mesh.

4. The grouting type diatom ooze for repairing structural cracks of walls according to claim 1, wherein said thixotropic lubricant is a magnesium aluminum silicate thixotropic lubricant and said water reducing agent is a sulfonated melamine water reducing agent.

5. The grouting type diatom ooze for repairing structural cracks in walls according to any one of claims 1-4, wherein the diatom ooze is 302C diatomaceous earth in Minton mining industry, the attapulgite is selected from RA3818 attapulgite in Rong and O chemical industry, the active silica micropowder is selected from 800 mesh silica micropowder which is highly promoted in Guangzhou, the thixotropic lubricant is selected from PT-08P magnesium aluminum silicate thixotropic lubricant of Hu nan Penta, the water repellent is selected from Yilaitai SEAL80, the water reducing agent is selected from Pasf 10, and the L-tartaric acid is selected from Shandong Zhen Yu L-tartaric acid.

6. The grouting type diatom ooze for repairing structural cracks of a wall body according to claim 1, wherein the cementing material comprises an organic cementing material and an inorganic cementing material, and the mass ratio of the organic cementing material to the inorganic cementing material is (1-4): (3-6).

7. The grouting type diatom ooze for repairing structural cracks of walls according to claim 6, wherein said organic gelling material is selected from re-dispersible latex powder and/or polyvinyl alcohol, and said inorganic gelling material is selected from one or a mixture of more than two of cement, sierozem powder, gypsum powder and water glass.

8. The grouting type diatom ooze for repairing structural cracks in walls according to claim 7, wherein the re-dispersible latex powder is selected from aksu FL2200 and the white cement is albo 52.5 white cement.

9. The grouting type diatom ooze for repairing structural cracks of a wall body according to claim 1 or 2, wherein the powder further comprises the following raw materials in parts by weight:

5-18 parts of attapulgite, 10-25 parts of dolomite powder, 10-25 parts of wollastonite powder, 10-25 parts of superfine talcum powder, 0.2-1 part of wood fiber and 0.1-2 parts of low-viscosity cellulose ether as a suspension dispersing aid, wherein the low-viscosity cellulose ether is used as a suspending agent.

10. The grouting type diatom ooze for repairing structural cracks of a wall body according to claim 9, wherein the powder comprises the following raw materials in parts by weight: 10 parts of attapulgite, 15 parts of dolomite powder, 10 parts of wollastonite powder, 10 parts of superfine talcum powder, 0.6 part of wood fiber, 0.8 part of low-viscosity cellulase and 0.2 part of suspension dispersing auxiliary agent.

11. The grouting type diatom ooze for repairing structural cracks in walls according to claim 9, wherein the particle size of diatomaceous earth is 800 mesh, the particle size of dolomite powder is 325 mesh, and the particle size of wollastonite powder is 1200 mesh.

12. The grouting type diatom ooze for repairing structural cracks in a wall according to claim 9, wherein said low viscosity cellulose ether is low viscosity hydroxypropyl methyl cellulose ether and said suspending dispersion aid is sodium polyphosphate.

13. The grouting type diatom ooze for repairing structural cracks in walls according to claim 9, wherein the attapulgite is selected from Rong and ao chemical RA3818 attapulgite, dolomite powder is selected from 325 mesh dolomite powder of Jiangxiliyuan, wollastonite powder is selected from Jiangxiante wollastonite powder, ultrafine talc powder is selected from CMS-555 ultrafine talc of Liaoning Heshan, wood fiber is selected from Changshan-Zhengde B200, suspending dispersant is selected from Oriental Australian HanNC。

Technical Field

The invention belongs to the field of building materials, and particularly relates to grouting type diatom ooze for repairing structural cracks of a wall.

Background

At present, the commonly used materials for repairing the structural cracks of the wall body generally fill and level the cracks by using cement or putty, then stick and cover the cracks by using grids or gauzes, and repair the surfaces of the cracks by using coatings. The defects of the method are that the brittleness and the toughness of the cement and the putty are high, the secondary cracking of the wall body is difficult to prevent, and the surface is difficult to crack because a layer of gauze is required to be covered. This makes the construction degree of difficulty promote, and gauze pastes not good and also can lead to the wall body to produce other problems such as hollowing, wall skin drops.

Disclosure of Invention

In order to solve the technical problems, the invention provides the grouting type diatom ooze for repairing the structural cracks of the wall, the porous structure and the extensibility of the diatomite are utilized, so that the filling material can bear the deformation and the compression of the wall, the adhesive force of the diatom ooze and the wall is enhanced, the coating of the grouting type diatom ooze can be tightly combined with the cracks of the wall, the grouting type diatom ooze has good filling performance, bonding strength and flexibility, the cracks can be repaired without gauze, and the wall is not easy to crack secondarily.

The invention discloses grouting type diatom ooze for repairing structural cracks of a wall, which comprises powder and water, wherein the mass ratio of the powder to the water is 1: (0.4-0.8);

the powder comprises the following raw materials in parts by weight:

10-25 parts of diatomite, 1-6 parts of bentonite, 5-15 parts of active silica powder, 0.2-1 part of L-tartaric acid, 0.2-1 part of thixotropic lubricant, 0.2-1 part of water repellent, 0.2-1 part of water reducing agent and 20-50 parts of cementing material.

Further, the powder material comprises the following raw materials in parts by weight: 15 parts of diatomite, 3 parts of bentonite, 9.2 parts of active silica powder, 0.5 part of thixotropic lubricant, 0.3 part of water repellent, 0.2 part of water reducing agent, 0.2 part of L + tartaric acid and 25 parts of cementing material.

Further, the particle size of the diatomaceous earth is 800 meshes.

Furthermore, the thixotropic lubricant is a magnesium aluminum silicate thixotropic lubricant, and the water reducing agent is a sulfonated melamine water reducing agent.

Further, the diatomite is 302C diatomite in the Yuantong mining industry, the attapulgite is selected from RA3818 attapulgite in Rong and O chemical industry, the active silica micropowder is selected from 800-mesh silica micropowder which is highly promoted in Guangzhou, the thixotropic lubricant is selected from PT-08P magnesium aluminum silicate thixotropic lubricant of Hu nan Pentai, the water repellent is selected from Yilaitai SEAL80, the water reducing agent is selected from Pasf 10, and the L-tartaric acid is selected from L-tartaric acid of Shandong Zhengyu.

Further, the cementing material comprises an organic cementing material and an inorganic cementing material, and the mass ratio of the organic cementing material to the inorganic cementing material is (1-4): (3-6).

Further, the organic cementing material is selected from re-dispersible latex powder and/or polyvinyl alcohol, and the inorganic cementing material is selected from one or a mixture of more than two of cement, sierozem powder, gypsum powder and water glass.

Further, the redispersible latex powder is selected from aksufl 2200, and the white cement is albo 52.5 white cement.

Further, the powder material also comprises the following raw materials in parts by weight:

5-18 parts of attapulgite, 10-25 parts of dolomite powder, 10-25 parts of wollastonite powder, 10-25 parts of superfine talcum powder, 0.2-1 part of wood fiber and 0.1-2 parts of low-viscosity cellulose ether, wherein the suspending dispersion auxiliary agent is 0.2-1 part.

Further, the powder material comprises the following raw materials in parts by weight: 10 parts of attapulgite, 15 parts of dolomite powder, 10 parts of wollastonite powder, 10 parts of superfine talcum powder, 0.6 part of wood fiber, 0.8 part of low-viscosity cellulase and 0.2 part of suspension dispersing auxiliary agent.

Further, the particle size of the diatomite is 800 meshes, the particle size of the dolomite powder is 325 meshes, and the particle size of the wollastonite powder is 1200 meshes.

Further, the low-viscosity cellulose ether is low-viscosity hydroxypropyl methyl cellulose ether, and the suspension dispersing auxiliary agent is sodium polyphosphate.

Further, the attapulgite is selected from Rong and ao chemical RA3818 attapulgite, the dolomite powder is selected from 325 mesh dolomite powder of Jiangxi Li source, the wollastonite powder is selected from Jiangxi Aote's wollastonite powder, the superfine talc powder is selected from CMS-555 superfine talc powder of Liaoning Heshan, the wood fiber is selected from Changsha Zhengde B200, the suspension dispersant is selected from Oriental Australian HanNC。

The invention discloses grouting type diatom ooze for repairing structural cracks of a wall, which can repair the structural cracks of the wall, can be tightly combined with the crack surfaces of the wall after being injected, has better flexibility and reduces the possibility of secondary cracking of the wall. The grouting diatom ooze can uniformly penetrate fine cracks and resist cracking; the paint film has stronger flexibility, tensile strength and bonding strength, and the water resistance of the putty is improved, so that the paint can repair tiny cracks on the wall surface, is not easy to crack, and is convenient to construct. This product is through adding water after the stirring and filling in fixed container, obtains the wall crack repair stick of similar syringe, fills the crack through the extrusion to little crack can not appear after guaranteeing to dry.

Detailed Description

For better understanding of the essence of the present invention, the following embodiments of the present invention are given only for illustrating how the present invention can be carried into effect and not for limiting the present invention to be carried into effect only by the following embodiments, and the modifications, substitutions and structural modifications of the present invention are made on the basis of understanding the technical solution of the present invention and the scope of the present invention is covered by the claims and the equivalents thereof.

For better understanding of the essence of the present invention, the following embodiments of the present invention are given only for illustrating how the present invention can be carried into effect and not for limiting the present invention to be carried into effect only by the following embodiments, and the modifications, substitutions and structural modifications of the present invention are made on the basis of understanding the technical solution of the present invention and the scope of the present invention is covered by the claims and the equivalents thereof.

The utility model provides a repair slip casting type diatom mud in wall structure nature crack, includes powder and water, and the mass ratio of powder and water is 1: (0.4-0.8);

the powder comprises the following raw materials in parts by weight:

15-45 parts of diatomite, 5-35 parts of wollastonite powder, 5-15 parts of active silica micropowder, 0.2-1 part of thixotropic lubricant and 15-40 parts of cementing material.

The diatomite has a porous structure and good ductility, and can endow the product with higher flexibility. In the invention, the weight portion of the diatomite is 10-25 portions; preferably, the weight part of the diatomite is 15 parts. Wherein, the particle size of the diatomite is 800 meshes, and the diatomite is preferably 302C diatomite in the Yuantong mining industry.

The bentonite has strong pulping performance, so that the product can be well filled into small cracks. In the invention, the bentonite accounts for 1 to 6 weight parts; preferably, the bentonite is 3 parts by weight, and preferably the aerospace Clay chemical CC-1250 bentonite.

In the invention, the wollastonite powder accounts for 10 to 25 weight parts; preferably, the wollastonite powder is 10 parts by weight; wherein the weight fraction of the wollastonite powder is 1200 meshes, and the wollastonite powder is preferably Jiangxi Aoersted wollastonite powder.

The active silica micropowder of the invention adopts silane and other materials to modify the surfaces of the silica micropowder particles, enhances the hydrophobic property of the silica micropowder, endows diatom ooze with higher water resistance, and is not easy to influence the strength and toughness of the product by the moisture of a wall body. In the invention, the weight portion of the active silicon micro powder is 5-15; preferably, the weight portion of the active silicon micro powder is 9.2 parts, and the active silicon micro powder is 800 meshes of high-rise silicon micro powder in Guangzhou.

In the invention, the weight portion of the thixotropic lubricant is 0.2-1 portion; preferably, the thixotropic lubricant is 0.5 parts by weight, and the thixotropic lubricant is a magnesium aluminum silicate thixotropic lubricant, and the magnesium aluminum silicate thixotropic lubricant is PT-08P of Hunan Pentadine.

The water repellent can form a hydrophobic protective layer on the surface of the solidified diatom ooze substrate, so that capillaries/holes in the tissue material absorb water, the water absorption of the substrate is reduced, and the diatom ooze has better water resistance. In the invention, the weight portion of the water repellent is 0.2-1; preferably, the weight portion of the water repellent is 0.3 portion, and the water repellent is preferably Yiletai SEAL80 water repellent.

The water reducing agent can enable the inorganic cementing material cement in the diatom ooze to have better dispersibility and fluidity, ensure that the product can uniformly fill cracks, and reduce the unit cement consumption. In the invention, the weight portion of the water reducing agent is 0.2-1; preferably, the water reducing agent is 0.2-1 part by weight, the water reducing agent is a sulfonated melamine water reducing agent, and the sulfonated melamine water reducing agent is preferably a basf 10 sulfonated melamine water reducing agent.

The L-tartaric acid can delay the drying speed of the diatom ooze, so that the diatom ooze has enough time to permeate into wall seams, and can be better combined with a wall body, and the bonding strength is improved. In the invention, the weight portion of the L-tartaric acid is 0.2-1 portion; preferably, the weight portion of the L-tartaric acid is 0.2 portion, and the L-tartaric acid is preferably Shandong Zhen Yu L-tartaric acid.

In the invention, the cementing material is 20-50 parts by weight; preferably, the weight part of the cementing material is 25 parts.

The gelled material comprises an organic gelled material and an inorganic gelled material, the inorganic gelled material and the organic gelled material are adopted to form a film alternately, the hardness and the adhesive force with a base material are enhanced, and the mass ratio of the organic gelled material to the inorganic gelled material is (1-4): (3-6).

The organic gel material and the film-forming macromolecular polymer are distributed in the whole slurry system as reinforcing materials, so that the cohesive force of the slurry is increased. Preferably, the organic gelling material is selected from redispersible latex powders and/or polyvinyl alcohol; more preferably, the organic gelling material is a redispersible latex powder, preferably aksu FL 2200.

The inorganic cementing material is used for ensuring that the diatom ooze has good adhesive property and strength; the inorganic cementing material is one or a mixture of more than two of cement, sierozem powder, gypsum powder and water glass. Preferably, the inorganic cementitious material is white cement, preferably albo 52.5 white cement.

In the invention, the powder material also comprises the following raw materials in parts by weight:

5-18 parts of attapulgite, 10-25 parts of dolomite powder, 10-25 parts of wollastonite powder, 10-25 parts of superfine talcum powder, 0.2-1 part of wood fiber and 0.1-2 parts of low-viscosity cellulose ether, wherein the suspending dispersion auxiliary agent is 0.2-1 part.

The attapulgite has strong slurry making performance, so that the product can be well filled into small cracks. 5-18 parts of attapulgite; preferably, the weight part of the attapulgite is 10 parts, and the attapulgite is preferably Roro chemical RA3818 attapulgite.

In the invention, the dolomite powder is 10-25 parts by weight; preferably, the dolomite powder is 15 parts by weight. Wherein the granularity of the dolomite powder is 325 meshes, and the dolomite powder is preferably 325 meshes of dolomite powder in Jiangxili source.

In the invention, the weight portion of the superfine talcum powder is 10-25; preferably, the weight portion of the superfine talcum powder is 10 portions, and the superfine talcum powder is preferably CMS-555 superfine talcum powder of Liaoning Heshan.

The wood fiber can improve the bonding strength of the diatom ooze and improve the crack resistance of the product. In the invention, the weight portion of the wood fiber is 0.2-1; preferably, the wood fiber is 0.6 parts by weight, and the wood fiber is preferably Changshard B200 wood fiber.

In the invention, the weight portion of the low-viscosity cellulose ether is 0.2-1 portion; preferably, the weight part of the low-viscosity cellulose ether is 0.8 part, the low-viscosity cellulose ether is low-viscosity hydroxypropyl methyl cellulose ether, and the low-viscosity hydroxypropyl methyl cellulose ether is preferably low-viscosity hydroxypropyl methyl cellulose ether of Tianpu LH20 MR.

The suspension dispersing auxiliary agent is adsorbed on the surface of the solid particles to reduce the interfacial tension between liquid and liquid or between solid and liquid, so that the surface of the coagulated solid particles is easy to wet, and the system is uniform and does not precipitate. In the invention, the weight portion of the suspending dispersant is 0.2-1 portion; preferably, the weight portion of the suspension dispersant is 0.2 portion, the suspension dispersant is sodium polyphosphate, and the sodium polyphosphate is preferably sodium polyphosphateNC sodium polyphosphate.

The invention discloses grouting type diatom ooze for repairing structural cracks of a wall, which is suitable for repairing structural cracks caused by structural stress of the wall. Firstly, cleaning the wall surface, and leveling sundries and redundant wall bodies around cracks; then adding water into the product, uniformly mixing to reach proper viscosity, injecting the product into a crack of a wall by using a syringe type injector, and flattening the overflowing part by using a smoothing knife.

To further illustrate the technical solution of the present invention, the following examples are specifically illustrated.

In examples 1 to 6 and comparative examples 1 to 10: the diatomaceous earth is selected from 302C diatomaceous earth of Yuantong mining industry, concave-convexThe attapulgite is selected from Rong and ao chemical RA3818 attapulgite, the dolomite powder is selected from 325-mesh dolomite powder of Jiangxi Liyuan, the wollastonite powder is selected from Jiangxi Aote wollastonite powder, the superfine talc powder is selected from CMS-555 superfine talc powder of Liaoning Heshan, the active silica powder is selected from 800-mesh silica powder which is highly promoted in Guangzhou, the thixotropic lubricant is selected from PT-08P magnesium aluminum silicate thixotropic lubricant of Hunan Pentai, the water repellent is selected from Yilaitai SEAL80, the water reducing agent is selected from Pasf 10, the L-tartaric acid is selected from Shandong Yuyu L-tartaric acid, the wood fiber is selected from Changshan Zheng De B200, the suspension dispersant is selected from Australian Han DongNC, re-dispersible latex powder is selected from Aksu FL2200, and white cement is Albo 52.5 white cement.

Example 1

Repair the slip casting type diatom mud in wall structure nature crack, package powder and water:

1. the powder comprises the following raw materials in parts by weight:

2. preparing a water adding proportion:

water: the mass ratio of the powder is 0.4: 1.

Example 2

Repair the slip casting type diatom mud in wall structure nature crack, package powder and water:

1. the powder comprises the following raw materials in parts by weight:

2. preparing a water adding proportion:

water: the mass ratio of the powder was 0.81.

Example 3

Repair the slip casting type diatom mud in wall structure nature crack, package powder and water:

1. the powder comprises the following raw materials in parts by weight:

2. preparing a water adding proportion:

water: the mass ratio of the powder is 0.6: 1.

Example 4

Repair the slip casting type diatom mud in wall structure nature crack, package powder and water:

1. the powder comprises the following raw materials in parts by weight:

2. preparing a water adding proportion:

water: the mass ratio of the powder is 0.6: 1.

Example 5

Repair the slip casting type diatom mud in wall structure nature crack, package powder and water:

1. the powder comprises the following raw materials in parts by weight:

2. preparing a water adding proportion:

water: the mass ratio of the powder is 0.6: 1.

Example 6

Repair the slip casting type diatom mud in wall structure nature crack, package powder and water:

1. the powder comprises the following raw materials in parts by weight:

2. preparing a water adding proportion:

water: the mass ratio of the powder is 0.6: 1.

Comparative example 1

Based on example 4, it differs from example 4 only in that in comparative example 1 there is no inorganic gelling material and the weight fraction of organic gelling material is 25 parts.

Comparative example 2

Based on example 4, it differs from example 4 only in that in comparative example 2 there is no organic cement and the weight fraction of inorganic cement is 25 parts.

Comparative example 3

Based on example 4, it differs from example 4 only in that there is no bentonite in comparative example 3.

Comparative example 4

Based on example 4, it differs from example 4 only in that there is no attapulgite in comparative example 4.

Comparative example 5

Based on example 4, it differs from example 4 only in that there is no fine active silica powder in comparative example 5.

Comparative example 6

Based on example 4, it differs from example 4 only in that there is no L-tartaric acid in comparative example 6.

Comparative example 7

Based on example 4, it differs from example 4 only in that there is no lignocellulose in comparative example 7.

Comparative example 8

Based on example 4, the 800-mesh purified diatomaceous earth in example 4 was replaced with ground calcium carbonate.

Comparative example 9

Repair the slip casting type diatom mud in wall structure nature crack, package powder and water:

1. the powder comprises the following raw materials in parts by weight:

2. preparing a water adding proportion:

water: the mass ratio of the powder is 0.6: 1.

Comparative example 10

Repair the slip casting type diatom mud in wall structure nature crack, package powder and water:

1. the powder comprises the following raw materials in parts by weight:

2. preparing a water adding proportion:

water: the mass ratio of the powder is 0.6: 1.

Effect testing

Examples 1-6 and comparative examples 1-10 were tested according to JC/T2177-2013, and the results are shown in tables 1-2.

Table 1 examples 1-6 table of results of performance testing

TABLE 2 comparative examples 1-10 Performance test results Table

As can be seen by comparing the test results in table 1: compared with the comparative examples 1-10, the grouting type diatom ooze for repairing the structural cracks of the wall in the embodiments 1-6 of the invention has slow drying effect, can uniformly penetrate the fine cracks and is anti-cracking; the paint film has stronger flexibility, tensile strength and bonding strength, and the water resistance of the putty is improved, so that the paint can repair tiny cracks on the wall surface, is not easy to crack, and is convenient to construct.

After actual wall construction, the secondary cracking phenomenon does not occur in the examples 1 to 6 of the invention within two years, and the comparative examples 1 to 10 have partially cracked.

In conclusion, the above embodiments are merely intended to illustrate the technical solution of the present invention and not to limit, although the present invention has been described by referring to certain preferred embodiments thereof, it should be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the following claims.