A fast-setting tile adhesive

Abstract

The present invention provides a fast-setting tile adhesive, comprising the following raw materials in parts by weight: 40-80 parts of Portland cement, 25-35 parts of polymer resin, 11-25 parts of film-forming agent, 10-15 parts of filler, 7-9 parts of adhesive, 2-5 parts of catalyst, and 1-3 parts of preservative. The tile adhesive of the present invention is prepared by selecting the raw materials, combining them in a scientific proportion, and synergizing their properties to achieve higher adhesion strength and setting speed. The initial setting time of the embodiment group of the present invention is 12-15 minutes, and the final setting time is 21-2 It takes 8 hours, or at least 21 hours, for the gel to completely dry and solidify, completely lose its plasticity and begin to generate strength. While solidifying rapidly, the adhesive tensile strength remains high, between 1.7-2.2Mpa, without displacement, and the lateral deformation is 1.0-1.5mm, which is within the standard range of JC / T547-2005 "Ceramic Wall and Floor Tile Adhesive", achieving adhesion between the tile and the base layer; it can also solidify quickly, greatly shortening the tile laying period, meeting the needs of emergency projects, and its performance can meet the technical requirements.

Description

Technical Field

[0001] The present invention relates to the field of building materials, in particular to a fast-setting tile adhesive. Background Art

[0002] Tile adhesive is a high-quality, polymer-modified adhesive based on a cement base. It is flexible, quick-drying, and suitable for both thick and thin applications. Its unique formula allows it to adhere tiles to a variety of substrates. Composed of cement, quartz sand, and a concentrated tackifier, this adhesive offers advantages over existing technologies, including a wide application range, strong adhesion, ease of application, the need to wet the tiles, walls, or floors before application, and a long curing time, allowing workers ample time for adjustment. This makes it highly suitable for widespread use. Tile adhesive overcomes the shortcomings of cement and conventional polymer mortars. Its excellent waterproofing, adhesion, and durability overcome the drawbacks of conventional cement, waterproof mortar, or conventional wall and floor tile adhesives, such as weak adhesion, hollowing, cracking, shedding, water seepage, and unstable performance. It demonstrates superior performance in applications ranging from waterproofing finishes on building envelopes to bonding and waterproofing building finishing materials. Based on the "organic-inorganic" theory, it optimizes the polymer blending ratio and strictly controls the polymer and other material ratios. It has the properties of inorganic cement and the high adhesion of organic glue, combining waterproofing and bonding in one. It is an ideal waterproof bonding material for modern mid-to-high-end buildings, replacing traditional cement and ordinary polymer mortar.

[0003] However, at present, many tile adhesives have qualified strength but long setting time. During the setting process of the adhesive, displacement or lateral deformation occurs when laying tiles, and re-laying is required, which is not only not conducive to construction workers, but also reduces work efficiency. Some people choose to add accelerators such as accelerators to the raw materials, but ignore their adhesive strength. Under the conditions of rapid setting, their quality cannot be guaranteed, resulting in unqualified adhesive strength and flexibility, poor weather resistance, easy cracks, or subsequent hollowing, leading to falling off. Summary of the Invention

[0004] In view of this, the present invention proposes a fast-setting tile adhesive to solve the above problems.

[0005] The technical solution of the present invention is achieved as follows: a fast-setting tile adhesive comprises the following raw materials in parts by weight: 40-80 parts of silicate cement, 25-35 parts of polymer resin, 11-25 parts of film-forming agent, 10-15 parts of filler, 7-9 parts of adhesive, 2-5 parts of catalyst, and 1-3 parts of preservative.

[0006] Furthermore, a fast-setting tile adhesive includes the following raw materials in parts by weight: 60 parts of Portland cement, 30 parts of polymer resin, 18 parts of film-forming agent, 12 parts of filler, 8 parts of adhesive, 3 parts of catalyst, and 2 parts of preservative.

[0007] Furthermore, the polymer resin is polyurethane, ABS resin, and polytetrafluoroethylene in a mass ratio of (13-28):(5-9):(1-5).

[0008] Furthermore, the film-forming agent is trimethylsiloxysilicate and poly(isobutylene-maleic anhydride) in a mass ratio of 10:(0.1-0.2).

[0009] Furthermore, the filler is silicate, silicon dioxide, alginate powder, and vermiculite powder in a mass ratio of (1.6-2.8): (0.5-1.9): (3.3-5.8): (2.3-8.2). Preferably, the filler particle size is 300-350 mesh.

[0010] Furthermore, the adhesive is a blocked isocyanate and / or an ethylene-methacrylic acid copolymer and / or an ethylene-methacrylic acid copolymer; preferably, the adhesive has a viscosity of 12000-30000 mPa·s.

[0011] Furthermore, the catalyst includes at least one of ammonium sulfate, dibutyltin dilaurate, stannous octoate and chelated tin peroxide, or a combination of several of them.

[0012] Furthermore, the preservative includes at least one of phenoxyethanol, ethylhexylglycerin and caprylyl glycol.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] The tile adhesive of the present invention utilizes raw materials selected and used in a scientifically proportioned combination to synergistically exert their properties, achieving high adhesion strength and setting speed. The initial setting time for the embodiment group of the present invention was 12-15 minutes, and the final setting time was 21-28 hours. The gel completely dried and solidified within 21 hours, completely losing its plasticity and beginning to develop strength. While setting rapidly, the adhesive maintained a high tensile strength of 1.7-2.2 MPa, without displacement, and a lateral deformation of 1.0-1.5 mm, both within the standard range of JC / T547-2005, "Ceramic Wall and Floor Tile Adhesives." The film-forming agent selected as an auxiliary agent for the adhesive exhibits excellent film-forming properties, enabling the adhesive to quickly set and form a uniform, firm, and smooth film surface. The film-forming agent also increases the adhesive's viscosity, preventing excessive fluidity and thereby maintaining the adhesive properties of the tile. The adhesive of the present invention can firmly adhere ceramic tiles to a wall or floor, gradually forming a hard structure with suitable hardness, high strength and good stability, thereby achieving adhesion between the ceramic tiles and the base layer; it can also quickly solidify, greatly shortening the ceramic tile laying period, meeting the needs of emergency projects, and its performance can meet technical requirements. DETAILED DESCRIPTION

[0015] In order to better understand the technical content of the present invention, specific examples are provided below to further illustrate the present invention.

[0016] Unless otherwise specified, the experimental methods used in the examples of the present invention are all conventional methods.

[0017] Unless otherwise specified, the materials, reagents, etc. used in the examples of the present invention can be obtained from commercial sources.

[0018] Example 1

[0019] A fast-setting tile adhesive comprising the following raw materials in parts by weight: 40 parts of Portland cement, 25 parts of polymer resin, 11 parts of film-forming agent, 10 parts of filler, 7 parts of adhesive, 2 parts of catalyst, and 1 part of preservative;

[0020] The polymer resin is polyurethane, ABS resin, and polytetrafluoroethylene in a mass ratio of 13:5:1;

[0021] The film-forming agent is trimethylsiloxysilicate and poly(isobutylene-maleic anhydride) in a mass ratio of 10:0.1;

[0022] The filler is silicate, silicon dioxide, alginate powder, and vermiculite powder in a mass ratio of 1.6:0.5:3.3:2.3. The preferred filler particle size is 300 mesh.

[0023] The adhesive is ethylene-methacrylic acid copolymer with a viscosity of 12000 mPa·s;

[0024] The catalyst is dibutyltin dilaurate;

[0025] The preservative is phenoxyethanol.

[0026] Example 2

[0027] A fast-setting tile adhesive comprising the following raw materials in parts by weight: 80 parts of Portland cement, 35 parts of polymer resin, 25 parts of film-forming agent, 15 parts of filler, 9 parts of adhesive, 5 parts of catalyst, and 3 parts of preservative;

[0028] The polymer resin is polyurethane, ABS resin, and polytetrafluoroethylene in a mass ratio of 28:9:5;

[0029] The film-forming agent is trimethylsiloxysilicate and poly(isobutylene-maleic anhydride) in a mass ratio of 10:0.2;

[0030] The filler is silicate, silicon dioxide, alginate powder, and vermiculite powder in a mass ratio of 2.8:1.9:5.8:8.2. The preferred filler particle size is 300-350 mesh.

[0031] The adhesive is ethylene-methacrylic acid copolymer with a viscosity of 30,000 mPa·s;

[0032] The catalyst is stannous octoate;

[0033] The preservative is ethylhexylglycerin.

[0034] Example 3

[0035] A fast-setting tile adhesive comprising the following raw materials in parts by weight: 60 parts of Portland cement, 30 parts of polymer resin, 18 parts of film-forming agent, 12 parts of filler, 8 parts of adhesive, 3 parts of catalyst, and 2 parts of preservative;

[0036] The polymer resin is polyurethane, ABS resin, and polytetrafluoroethylene in a mass ratio of 20:7:3;

[0037] The film-forming agent is trimethylsiloxysilicate and poly(isobutylene-maleic anhydride) in a mass ratio of 10:0.15;

[0038] The filler is silicate, silicon dioxide, alginate powder, and vermiculite powder in a mass ratio of 2.2:1.2:4.2:5.2. The preferred filler particle size is 330 mesh.

[0039] The adhesive is a blocked isocyanate with a viscosity of 20,000 mPa·s;

[0040] The catalyst is a combination of dibutyltin dilaurate and stannous octoate in a mass ratio of 1:2;

[0041] The preservative is phenoxyethanol.

[0042] Example 4

[0043] A fast-setting tile adhesive comprising the following raw materials in parts by weight: 60 parts of Portland cement, 30 parts of polymer resin, 18 parts of film-forming agent, 12 parts of filler, 8 parts of adhesive, 3 parts of catalyst, and 2 parts of preservative;

[0044] The polymer resin is polyurethane, ABS resin, and polytetrafluoroethylene in a mass ratio of 20:7:3;

[0045] The film-forming agent is trimethylsiloxysilicate and poly(isobutylene-maleic anhydride) in a mass ratio of 10:0.15;

[0046] The filler is silicate, silicon dioxide, alginate powder, and vermiculite powder in a mass ratio of 1.6:0.5:3.3:2.3. The preferred filler particle size is 330 mesh.

[0047] The adhesive is a blocked isocyanate and ethylene-methacrylic acid copolymer in a mass ratio of 1:1, with a viscosity of 20,000 mPa·s;

[0048] The catalyst is a combination of dibutyltin dilaurate and stannous octoate in a mass ratio of 1:2;

[0049] The preservative is phenoxyethanol.

[0050] Example 5

[0051] A fast-setting tile adhesive comprising the following raw materials in parts by weight: 60 parts of Portland cement, 30 parts of polymer resin, 18 parts of film-forming agent, 12 parts of filler, 8 parts of adhesive, 3 parts of catalyst, and 2 parts of preservative;

[0052] The polymer resin is polyurethane, ABS resin, and polytetrafluoroethylene in a mass ratio of 20:7:3;

[0053] The film-forming agent is trimethylsiloxysilicate and poly(isobutylene-maleic anhydride) in a mass ratio of 10:0.15;

[0054] The filler is silicate, silicon dioxide, alginate powder, and vermiculite powder in a mass ratio of 2.8:1.9:5.8:8.2. The preferred filler particle size is 330 mesh.

[0055] The adhesive is ethylene-methacrylic acid copolymer and ethylene-methacrylic acid copolymer in a mass ratio of 1:1, with a viscosity of 20,000 mPa·s;

[0056] The catalyst is a combination of dibutyltin dilaurate and stannous octoate in a mass ratio of 1:2;

[0057] The preservative is phenoxyethanol.

[0058] Example 6

[0059] A fast-setting tile adhesive comprising the following raw materials in parts by weight: 60 parts of Portland cement, 30 parts of polymer resin, 18 parts of film-forming agent, 12 parts of filler, 8 parts of adhesive, 3 parts of catalyst, and 2 parts of preservative;

[0060] The polymer resin is polyurethane, ABS resin, and polytetrafluoroethylene in a mass ratio of 13:5:1;

[0061] The film-forming agent is trimethylsiloxysilicate and poly(isobutylene-maleic anhydride) in a mass ratio of 10:0.15;

[0062] The filler is silicate, silicon dioxide, alginate powder, and vermiculite powder in a mass ratio of 2.2:1.2:4.2:5.2. The preferred filler particle size is 330 mesh.

[0063] The adhesive is ethylene-methacrylic acid copolymer and ethylene-methacrylic acid copolymer in a mass ratio of 1:1, with a viscosity of 20,000 mPa·s;

[0064] The catalyst is a combination of dibutyltin dilaurate and stannous octoate in a mass ratio of 1:2;

[0065] The preservative is phenoxyethanol.

[0066] Example 7

[0067] A fast-setting tile adhesive comprising the following raw materials in parts by weight: 60 parts of Portland cement, 30 parts of polymer resin, 18 parts of film-forming agent, 12 parts of filler, 8 parts of adhesive, 3 parts of catalyst, and 2 parts of preservative;

[0068] The polymer resin is polyurethane, ABS resin, and polytetrafluoroethylene in a mass ratio of 28:9:5;

[0069] The film-forming agent is trimethylsiloxysilicate and poly(isobutylene-maleic anhydride) in a mass ratio of 10:0.15;

[0070] The filler is silicate, silicon dioxide, alginate powder, and vermiculite powder in a mass ratio of 2.2:1.2:4.2:5.2. The preferred filler particle size is 330 mesh.

[0071] The adhesive is ethylene-methacrylic acid copolymer and ethylene-methacrylic acid copolymer in a mass ratio of 1:1, with a viscosity of 20,000 mPa·s;

[0072] The catalyst is a combination of dibutyltin dilaurate and stannous octoate in a mass ratio of 1:2;

[0073] The preservative is phenoxyethanol.

[0074] The above examples 1-7 adopt the following preparation method:

[0075] S1. Mixing: Take the above-mentioned Portland cement, polymer resin, and filler, mix them, pour them into a stirring device, add 0.5 times the weight of the mixture of water, and stir for 2 hours to obtain the initial material;

[0076] S2, reaction: adding a film-forming agent and a binder to the above-mentioned initial material, mixing, stirring again at 40° C., adding a catalyst while stirring, raising the temperature by 50° C., and stirring and reacting at a negative pressure of -0.04 MPa and a speed of 300 rpm for 50 min to obtain a mixture;

[0077] S3. Preparing an adhesive: adding a preservative to the above mixture, continuing to stir and mix, and letting it stand for 1 hour to obtain an adhesive.

[0078] Test Example 1

[0079] The tile adhesives of Examples 1-7 above were applied to tiles, and their initial setting time, final setting time, anti-slip performance, lateral deformation test, and adhesive strength were tested;

[0080] Test standards and methods:

[0081] (1) Initial setting and final setting time: The initial setting time is counted from the time the adhesive is added. If the indentation test mark is not obvious, it means the tile has already started to set. The time taken is the initial setting time. The final setting time is the time required for the gel to completely dry, completely solidify, completely lose its plasticity and begin to generate strength.

[0082] (2) Anti-slip performance: The anti-slip performance of the tiles was tested using the GB / T26542-2011 tilting platform method; the displacement distance of a 300g tile in 30 minutes was mm;

[0083] (3) Lateral deformation test: Test according to the adhesive lateral deformation test method in JC / T547-2005 "Ceramic wall and floor tile adhesive";

[0084] (4) Adhesive strength: The adhesive tensile strength after complete solidification is tested according to JC / T547-2005 “Ceramic Wall and Floor Tile Adhesive”.

[0085] The test results are as follows:

[0086]

[0087] From the above results, it can be seen that the tile adhesive of the present invention has a short setting time, with an initial setting time of 12-15 minutes, and no obvious traces of the indentation test within 15 minutes. The final setting time is 21-28 hours. The shortest time is 21 hours for the gel to completely dry, completely solidify, completely lose plasticity and begin to generate strength. It is less than 24 hours. While setting rapidly, the adhesive tensile strength remains high, between 1.7-2.2 MPa, and no displacement occurs. The lateral deformation is 1.0-1.5 mm, which is within the standard range of JC / T547-2005 "Ceramic Wall and Floor Tile Adhesives". Among them, the performance effect of Example 3 is the best.

[0088] Based on the performance results of the above embodiment 3, the following comparative tests were conducted, as follows:

[0089] Comparative Example 1

[0090] The difference between this comparative example and Example 3 is that the fast-setting tile adhesive includes the following raw materials in parts by weight: 40-80 parts of Portland cement, 25-35 parts of polymer resin, 11-25 parts of film-forming agent, 10-15 parts of filler, 7-9 parts of binder, 2-5 parts of catalyst, and 1-3 parts of preservative.

[0091] Comparative Example 2

[0092] The difference between this comparative example and Example 3 is that the raw materials of the rapid-setting tile adhesive do not contain a film-forming agent; specifically, the raw materials include the following by weight: 60 parts of Portland cement, 30 parts of polymer resin, 12 parts of filler, 8 parts of adhesive, 3 parts of catalyst, and 2 parts of preservative;

[0093] The polymer resin is polyurethane, ABS resin, and polytetrafluoroethylene in a mass ratio of 20:7:3;

[0094] The filler is silicate, silicon dioxide, alginate powder, and vermiculite powder in a mass ratio of 2.2:1.2:4.2:5.2. The preferred filler particle size is 330 mesh.

[0095] The adhesive is ethylene-methacrylic acid copolymer and ethylene-methacrylic acid copolymer in a mass ratio of 1:1, with a viscosity of 20,000 mPa·s;

[0096] The catalyst is a combination of dibutyltin dilaurate and stannous octoate in a mass ratio of 1:2;

[0097] The preservative is phenoxyethanol.

[0098] Comparative Example 3

[0099] The difference between this comparative example and Example 3 is that the raw materials of the rapid-setting tile adhesive do not contain a binder; specifically, the raw materials include the following by weight: 60 parts of Portland cement, 30 parts of polymer resin, 18 parts of film-forming agent, 12 parts of filler, 3 parts of catalyst, and 2 parts of preservative;

[0100] The polymer resin is polyurethane, ABS resin, and polytetrafluoroethylene in a mass ratio of 20:7:3;

[0101] The film-forming agent is trimethylsiloxysilicate and poly(isobutylene-maleic anhydride) in a mass ratio of 10:0.15;

[0102] The filler is silicate, silicon dioxide, alginate powder, and vermiculite powder in a mass ratio of 2.2:1.2:4.2:5.2. The preferred filler particle size is 330 mesh.

[0103] The catalyst is a combination of dibutyltin dilaurate and stannous octoate in a mass ratio of 1:2;

[0104] The preservative is phenoxyethanol.

[0105] The adhesives of Comparative Examples 1-3 were tested for their performance according to the above test method, and the results are as follows:

[0106]

[0107]

[0108] From the above comparison results, it can be seen that, compared with Comparative Example 1, Example 3 shows that the raw materials of the tile adhesive of the present invention are used in combination under scientific proportions, and their performance is synergistically exerted to achieve higher adhesion strength and solidification speed; compared with Comparative Example 2, Example 3 shows that the film-forming agent selected by the present invention as an auxiliary agent for the adhesive has a good film-forming effect, which enables the adhesive to solidify quickly and form a uniform, firm, and smooth film surface. The film-forming agent can also increase the viscosity of the adhesive to prevent its excessive fluidity, thereby maintaining the bonding properties of the tiles. Compared with Example 3 and Comparative Example 3, the adhesive of the present invention can firmly bond the tiles to the wall or floor, and through the hardening reaction in the silicate cement, it gradually forms a hard structure with appropriate hardness, high strength and good stability, thereby achieving adhesion between the tiles and the base layer; it can also solidify quickly, greatly shortening the tile laying period;

[0109] The various raw materials of the present invention play different roles, and the synergistic effect can ensure the firm adhesion of the tiles, so that the tiles can be stably attached to the wall or the ground for a long time.

[0110] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A fast-setting tile adhesive, characterized by: The invention comprises the following raw materials in parts by weight: 40-80 parts of Portland cement, 25-35 parts of polymer resin, 11-25 parts of film-forming agent, 10-15 parts of filler, 7-9 parts of adhesive, 2-5 parts of catalyst, and 1-3 parts of preservative, wherein the polymer resin is polyurethane, ABS resin, and polytetrafluoroethylene in a mass ratio of (13-28):(5-9):(1-5), and the film-forming agent is trimethylsiloxysilicate and poly(isobutylene-maleic anhydride) in a mass ratio of 10:(0.1-0.2); The fillers are silicate, silicon dioxide, alginate powder and vermiculite powder in a mass ratio of (1.6-2.8):(0.5-1.9):(3.3-5.8):(2.3-8.2); The adhesive is a blocked isocyanate and / or an ethylene-methacrylic acid copolymer and / or an ethylene-methacrylic acid copolymer; The catalyst comprises at least one or a combination of ammonium sulfate, dibutyltin dilaurate, stannous octoate and chelated tin peroxide; The preservative includes at least one of phenoxyethanol, ethylhexylglycerin and caprylyl glycol.

2. A fast-setting tile adhesive according to claim 1, characterized in that: The method comprises the following raw materials in parts by weight: 60 parts of Portland cement, 30 parts of polymer resin, 18 parts of film-forming agent, 12 parts of filler, 8 parts of adhesive, 3 parts of catalyst and 2 parts of preservative.

3. The fast-setting tile adhesive according to claim 1, characterized in that: The filler particle size is 300-350 meshes.

4. The fast-setting tile adhesive according to claim 1, characterized in that: The adhesive has a viscosity of 12000-30000 mPa·s.

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