CN114804747A - Ceramic tile binder and preparation method thereof - Google Patents
Ceramic tile binder and preparation method thereof Download PDFInfo
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- CN114804747A CN114804747A CN202210451586.8A CN202210451586A CN114804747A CN 114804747 A CN114804747 A CN 114804747A CN 202210451586 A CN202210451586 A CN 202210451586A CN 114804747 A CN114804747 A CN 114804747A
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- 239000011230 binding agent Substances 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 32
- 239000000919 ceramic Substances 0.000 title claims abstract description 30
- 230000001070 adhesive effect Effects 0.000 claims abstract description 74
- 239000000853 adhesive Substances 0.000 claims abstract description 68
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 66
- 239000000945 filler Substances 0.000 claims abstract description 42
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 30
- 239000004576 sand Substances 0.000 claims abstract description 26
- BDKLKNJTMLIAFE-UHFFFAOYSA-N 2-(3-fluorophenyl)-1,3-oxazole-4-carbaldehyde Chemical compound FC1=CC=CC(C=2OC=C(C=O)N=2)=C1 BDKLKNJTMLIAFE-UHFFFAOYSA-N 0.000 claims abstract description 22
- 235000017281 sodium acetate Nutrition 0.000 claims abstract description 22
- 229940087562 sodium acetate trihydrate Drugs 0.000 claims abstract description 22
- 229910021426 porous silicon Inorganic materials 0.000 claims abstract description 21
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 20
- 238000003756 stirring Methods 0.000 claims abstract description 19
- 239000001913 cellulose Substances 0.000 claims abstract description 18
- 229920002678 cellulose Polymers 0.000 claims abstract description 18
- 239000004568 cement Substances 0.000 claims abstract description 17
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 17
- 238000002156 mixing Methods 0.000 claims abstract description 15
- 239000000843 powder Substances 0.000 claims abstract description 13
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 5
- YYRMJZQKEFZXMX-UHFFFAOYSA-N calcium;phosphoric acid Chemical compound [Ca+2].OP(O)(O)=O.OP(O)(O)=O YYRMJZQKEFZXMX-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000007580 dry-mixing Methods 0.000 claims abstract description 5
- 239000002426 superphosphate Substances 0.000 claims abstract description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 18
- 239000012266 salt solution Substances 0.000 claims description 12
- 229920002472 Starch Polymers 0.000 claims description 9
- 239000008107 starch Substances 0.000 claims description 9
- 235000019698 starch Nutrition 0.000 claims description 9
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 8
- 229920000609 methyl cellulose Polymers 0.000 claims description 7
- 239000001923 methylcellulose Substances 0.000 claims description 7
- 235000010981 methylcellulose Nutrition 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 5
- CBOCVOKPQGJKKJ-UHFFFAOYSA-L Calcium formate Chemical compound [Ca+2].[O-]C=O.[O-]C=O CBOCVOKPQGJKKJ-UHFFFAOYSA-L 0.000 claims description 4
- 229940044172 calcium formate Drugs 0.000 claims description 4
- 235000019255 calcium formate Nutrition 0.000 claims description 4
- 239000004281 calcium formate Substances 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 238000002791 soaking Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims 2
- 101100459438 Caenorhabditis elegans nac-1 gene Proteins 0.000 claims 1
- 235000010333 potassium nitrate Nutrition 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 12
- 239000000463 material Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 108091006629 SLC13A2 Proteins 0.000 description 3
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 241000276489 Merlangius merlangus Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 206010016807 Fluid retention Diseases 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/021—Ash cements, e.g. fly ash cements ; Cements based on incineration residues, e.g. alkali-activated slags from waste incineration ; Kiln dust cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/26—Carbonates
- C04B14/28—Carbonates of calcium
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/38—Polysaccharides or derivatives thereof
- C04B24/383—Cellulose or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00637—Uses not provided for elsewhere in C04B2111/00 as glue or binder for uniting building or structural materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Civil Engineering (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The application relates to the field of binders, and particularly discloses a tile binder and a preparation method thereof. The raw materials of the adhesive comprise 340 parts of cement and 355 parts of ash cement; the ore sand 530 and 545 parts; 4-8 parts of rubber powder; 2-4 parts of cellulose; 1-5 parts of an early strength agent; 90-110 parts of heavy calcium carbonate; 10-15 parts of a filler; the filler is prepared from the following raw materials in parts by weight: 5-8 parts of sodium acetate trihydrate; 5-7 parts of porous silicon dioxide; the preparation method comprises the following steps: carrying out dry mixing and stirring on the ash cement, the ore sand, the triple superphosphate, the rubber powder and the early strength agent to obtain a premix A; s2: mixing and stirring the premix A, cellulose and filler to obtain a premix B; s3: and (3) mixing and stirring water and the premix B according to the weight ratio of 1 (3-5) to obtain the ceramic tile adhesive. It has the advantage of good adhesive properties.
Description
Technical Field
The application relates to the technical field of binders, in particular to a tile binder and a preparation method thereof.
Background
Ceramic tiles are commonly used as floor or wall covering materials in the field of building materials, and are widely used for wall decoration inside and outside buildings. When using tiles to cover building surfaces, it is necessary to bond the tiles to the wall surface. The ceramic tile adhesive is a cement-based adhesive material for adhering ceramic tiles, also called ceramic tile glue, is the most commonly used adhesive material in building and decoration engineering, and can be used for adhering natural stones such as ceramic tiles, polished tiles and granite.
At present, the special adhesive for ceramic tiles is generally formed by mechanically mixing cement, quartz sand, polymer sizing materials and the like, and is also called as ceramic tile adhesive or beneficial mortar. The bonding force of the tile adhesive mainly comprises mechanical engaging force formed by embedding mortar into the pores of the tile and chemical and physical bonding force formed by polymer adhesive at a bonding interface.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: when using in the higher and great area of the difference in temperature round the clock of temperature, when pasting the ceramic tile on the wall through the binder, because the expansion coefficient of ceramic tile itself after solidifying with the binder is different, can expend with heat and contract with cold when temperature change round the clock, lead to the bonding property of ceramic tile relatively poor, can make the ceramic tile drop easily.
Disclosure of Invention
In order to improve the bonding performance of the ceramic tile, the application provides a ceramic tile binder and a preparation method thereof.
In a first aspect, the present application provides a tile adhesive, which adopts the following technical scheme:
the tile adhesive is prepared from the following raw materials in parts by weight:
ash cement 340 and 355;
the ore sand 530 and 545 parts;
4-8 parts of rubber powder;
2-4 parts of cellulose;
1-5 parts of an early strength agent;
90-110 parts of heavy calcium carbonate;
10-15 parts of a filler;
the filler is prepared from the following raw materials in parts by weight:
5-8 parts of sodium acetate trihydrate;
5-7 parts of porous silicon dioxide;
the raw material weight parts of the filler are based on the adhesive.
By adopting the technical scheme, the filler prepared from the sodium acetate trihydrate and the porous silica is added into the raw materials of the binder, and the porous silica can improve the suspension stability, thixotropy, weather resistance, washing resistance and the like of the binder, so that the bonding strength between the binder and a wall body after the binder is formed into a film is greatly improved, and the hardness of the bonding film is increased; make the filler with sodium acetate trihydrate as the raw materials of filler and add to the binder, after the binder film-forming, because ambient temperature's influence, when making the wall temperature of pasting the ceramic tile higher, sodium acetate trihydrate can take place the phase transition, can absorb or release the heat in the ambient environment at the in-process of phase transition, and then reach the effect to the wall regulation temperature who pastes the ceramic tile, can reduce the expend with heat and contract with cold phenomenon that the change of temperature arouses, improve the adhesive property of binder to the ceramic tile, reduce the ceramic tile and drop and the cracked risk. The mechanical property of the adhesive can be effectively improved after the cellulose is added into the tile adhesive, and the heavy calcium carbonate is added into the adhesive, so that the production cost can be reduced, the toughness and the strength of the adhesive can be increased, and the adhesive property of the tile can be further improved.
Preferably, the preparation of the filler comprises the following steps:
s1: adding porous silicon dioxide into a double salt solution for soaking, and then roasting for 2-2.5h at the temperature of 300-350 ℃;
s2: and washing the roasted porous silicon dioxide with water, drying, mixing with sodium acetate trihydrate, and finally stirring to obtain the filler.
By adopting the technical scheme, the porous silicon dioxide is soaked in the double salt solution and then roasted, so that the aperture of the porous silicon dioxide can be enlarged, sodium acetate trihydrate can more easily enter the porous silicon dioxide, the porous silicon dioxide is used as a carrier of the sodium acetate trihydrate and added into a binder system, the dispersion of the sodium acetate trihydrate in the binder system can be more uniform, the filler can better play a role in the binder system, and the bonding performance of the binder is further improved.
Preferably, the double salt solution in step S1 is prepared as H 2 O：NaC1：LiCl：KNO 3 The mass ratio of (10-12): (3-4): 1: 1, preparing the medicament.
By adopting the technical scheme, the compound salt solution prepared by the formula and the proportion can enlarge the pore diameter of the surface of the porous silicon dioxide to a greater extent when the porous silicon dioxide is expanded.
Preferably, the early strength agent is one of calcium formate and triethanolamine.
By adopting the technical scheme, the calcium formate or triethanolamine is used in a cement binder system, so that the hardening speed of cement can be accelerated, the setting time is shortened, the phenomenon that the ceramic tile falls off due to too low setting speed at low temperature is avoided particularly in construction in winter, and the early strength effect on the binder is better.
Preferably, the cellulose is methyl cellulose.
By adopting the technical scheme, after the methyl cellulose is added into the tile adhesive, the mechanical property of the adhesive can be effectively improved, the formation of cracks is reduced, the water loss and drying time are controlled, the system keeps the mixture homogeneous for a long time without bleeding, and a proper construction consistency can be provided; and when the methyl cellulose is adopted, the methyl cellulose can be matched with sodium acetate trihydrate to improve the storage performance of the adhesive.
Preferably, the raw material of the binder also comprises 2-4 parts of starch ether.
By adopting the technical scheme, the starch ether and the cellulose have a certain synergistic effect in a matched manner, and the proper amount of the starch ether is added into the cellulose, so that the sagging resistance and the slippage resistance of the binder can be obviously improved. The proper amount of starch ether is added into a binder system containing cellulose, so that the consistency of the binder can be obviously increased, the flowing property is improved, the construction is smoother, the scraping is smoother, the water retention of the binder can be increased, and the opening time is prolonged.
Preferably, the ore sand is dried sand, and the particle size of the dried sand is 40-120 meshes.
By adopting the technical scheme, the construction performance of the binder is further improved by adopting the dried sand with the grain diameter of 40-120 meshes, and the bonding performance of the binder can be further improved due to less impurities on the surface of the dried sand.
In a second aspect, the application provides a preparation method of a tile adhesive, which adopts the following technical scheme:
a preparation method of a ceramic tile adhesive comprises the following steps:
s1: carrying out dry mixing and stirring on the ash cement, the ore sand, the triple superphosphate, the rubber powder and the early strength agent to obtain a premix A;
s2: mixing and stirring the premix A, cellulose and filler to obtain a premix B;
s3: and (3) mixing and stirring water and the premix B according to the weight ratio of 1 (3-5) to obtain the ceramic tile adhesive.
By adopting the technical scheme, the preparation method of the tile adhesive is simple, easy to realize and suitable for mass production, all components are stirred and mixed according to the proportion, the ash cement, the ore sand, the coarse whiting, the rubber powder and the early strength agent are uniformly mixed, then the mixture is uniformly mixed with the cellulose and the filler, and after water is added, the mixture can be more uniformly and fully mixed, and the adhesive property of the adhesive is improved through the matching among all raw materials.
In summary, the present application has the following beneficial effects:
1. according to the ceramic tile adhesive, the filler is prepared from the sodium acetate trihydrate and the porous silica and is added into the adhesive, the porous silica can improve the suspension stability, thixotropy, weather resistance, scrubbing resistance and the like of the adhesive, the sodium acetate trihydrate can adjust the environmental temperature, reduce the phenomena of expansion with heat and contraction with cold caused by temperature change, and improve the adhesive property of the adhesive on the ceramic tile.
2. In the application, porous silicon dioxide is preferably added into a double salt solution for soaking and then roasting, and then is mixed with sodium acetate trihydrate, so that the sodium acetate trihydrate can more easily enter the porous silicon dioxide, the filler can better play a role in a binder system, and the bonding performance of the binder is further improved.
3. According to the method, the ash cement, the ore sand, the coarse whiting, the rubber powder and the early strength agent are uniformly mixed and then are uniformly mixed with the cellulose and the filler, and after water is added, the mixture can be more uniformly and sufficiently mixed, and the bonding performance of the binder is improved through the matching among the raw materials.
Detailed Description
The present application will be described in further detail with reference to examples.
Examples of preparation of fillers
Preparation example 1
The preparation method comprises the following steps:
s1: slowly adding a double salt solution into the porous silicon dioxide until the double salt solution submerges all the porous silicon dioxide, soaking the porous silicon dioxide in the double salt solution for 1h, and then roasting at 300 ℃ for 2 h;
s2: and washing the roasted porous silicon dioxide with tap water, drying, and mixing and stirring with sodium acetate trihydrate for 30min to obtain the filler.
In this preparation example, the double salt solution was prepared as follows 2 O：NaC1：LiCl：KNO 3 The mass ratio of (A) to (B) is 10: 3: 1: 1, washing the roasted porous silicon dioxide by tap water in S2 until 0.1mol/LAgNO is adopted 3 Test for absence of Cl - Until now.
The porous silica in the preparation example is purchased from Shanghai Kahn chemical Co., Ltd, the sodium acetate trihydrate is purchased from Henan charcoal Miao environmental protection science and technology Co., Ltd, and other raw materials are all common commercial products.
Preparation example 2
In the preparation of the filler, the present preparation example is different from preparation example 1 in that the porous silica soaked in S1 is calcined at 350 ℃ for 2.5 hours.
In this preparation example, the double salt solution was prepared as follows 2 O：NaC1：LiCl：KNO 3 The mass ratio of (A) to (B) is 12: 4: 1: 1, and preparing the composition.
Comparative preparation example 1
In the preparation of the filler, this comparative preparation example is different from preparation example 1 in that the preparation comprises the following steps:
and mixing and stirring the porous silicon dioxide and the sodium acetate trihydrate for 30min to obtain the filler.
Examples
Example 1
A tile adhesive is prepared by the following steps:
s1: carrying out dry mixing and stirring on the ash cement, the ore sand, the triple superphosphate, the rubber powder and the early strength agent for 5min to obtain a premix A;
s2: mixing and stirring the premix A, the cellulose and the filler for 3min to obtain a premix B;
s3: and mixing and stirring water and the premix B according to the weight ratio of 1:3 for 10min to obtain the ceramic tile adhesive.
The filler in the embodiment adopts the filler prepared in the preparation example 1; the cement is P.O42.5 cement sold in the common market; the ore sand is common commercial ore sand, and the particle size of the ore sand is 40-150 meshes; the rubber powder is 7015 available from Jiangsu Mega building materials science and technology Limited; the early strength agent is common calcium formate early strength agent, the heavy calcium is 400 mesh heavy calcium from Guibao powder Limited liability company in Guangxi Hezhou, and the cellulose is carboxymethyl cellulose from Gaoku chemical material Limited company.
Examples 2 to 3
The difference between the tile adhesive and the tile adhesive in example 1 is that the raw material components and the corresponding parts by weight are shown in table 1.
TABLE 1 materials and weights (kg) thereof in examples 1-3
| Components | Example 1 | Example 2 | Example 3 |
| Cement mortar | 340 | 348 | 355 |
| Ore sand | 545 | 539 | 530 |
| Rubber powder | 8 | 6 | 4 |
| Cellulose, process for producing the same, and process for producing the same | 2 | 3 | 4 |
| Early strength agent | 5 | 3 | 1 |
| Heavy calcium carbonate | 90 | 100 | 110 |
| Filler material | 10 | 13 | 15 |
Example 4
A tile adhesive is different from example 1 in that the filler obtained in preparation example 2 is used as the filler.
Example 5
The difference between the tile adhesive and the tile adhesive in example 1 is that the triethanolamine early strength agent is used as the early strength agent.
Example 6
A tile adhesive was prepared in a manner different from that of example 1 in that methyl cellulose obtained from Hipposite chemical materials Co., Ltd.
Example 7
A tile adhesive, which is different from example 6 in that the raw material further includes 2kg of starch ether, and the preparation includes the following steps:
s1: carrying out dry mixing and stirring on the ash cement, the ore sand, the triple superphosphate, the rubber powder and the early strength agent for 5min to obtain a premix A;
s2: mixing and stirring the premix A, cellulose, starch ether and a filler for 3min to obtain a premix B;
s3: and mixing and stirring water and the premix B according to the weight ratio of 1:3 for 10min to obtain the ceramic tile adhesive.
Example 8
A tile adhesive, which is different from example 7 in that the raw material further includes 3kg of starch ether.
Example 9
A tile adhesive, which is different from example 8 in that the raw material further includes 4kg of starch ether.
Example 10
A tile adhesive is different from that in example 7 in that dried sand is used as ore sand, and the particle size of the dried sand is 40-120 meshes.
Comparative example
Comparative example 1
A tile adhesive was different from example 1 in that the filler obtained in comparative preparation example 1 was used as the filler.
Comparative example 2
A tile adhesive which differs from example 1 in that the raw material does not include a filler.
Comparative example 3
A tile adhesive, differing from example 1 in that the filler was sodium acetate trihydrate.
Comparative example 4
A tile adhesive differing from example 1 in that the filler is porous silica.
Performance test
Experimental samples:
according to JC/T547-2017 standard, the ceramic tile adhesives obtained in examples 1-10 and comparative examples 1-4 are respectively adopted to prepare detection samples;
the experimental method comprises the following steps:
1. testing the initial bonding strength according to the standard JC/T547-2017; maintaining the sample for 27d under the test conditions that the environmental temperature is 23 ℃ and the relative humidity is 50%, adhering the drawing joint on the ceramic tile by using a proper high-strength adhesive, and testing the tensile bonding strength after continuously standing for 24 h.
2. The bond strength after elevated temperature was tested according to JC/T547-2017. After the sample was cured for 14 days under the test conditions of an ambient temperature of 23 ℃ and a relative humidity of 50%, the sample was placed in a 70 ℃ forced air oven for 14 days. The pulled-out joint is removed from the oven and glued to the tile with a suitable high-strength glue. The sample was further cured under test conditions of an ambient temperature of 23 ℃ and a relative humidity of 50% for 24 hours, and then the tensile bond strength was measured.
And (3) detection results: as shown in table 3.
TABLE 2
As can be seen by combining examples 1-10 with Table 2, the initial bond strength and the post-high temperature bond strength of the adhesives prepared in the examples were greater than 0.5 MPa.
As can be seen by combining examples 1-4 and comparative example 2 and table 2, the loss rates of the high-temperature adhesion strength and the high-temperature adhesion strength of examples 1-4 are greater than the loss rates of the high-temperature adhesion strength and the high-temperature adhesion strength of comparative example 2, indicating that the addition of the filler prepared in the preparation example to the adhesive can effectively improve the adhesive property of the adhesive.
It can be seen from the combination of examples 1-3 and 6 and Table 2 that the loss rates of the high-temperature adhesion strength and the high-temperature adhesion strength of example 6 are both greater than those of examples 1-3, indicating that the use of methylcellulose improves the adhesion properties of the adhesive, but the effect is not very significant.
It can be seen from the combination of examples 7 to 9 and 10 and table 2 that the loss rates of the high-temperature post-bonding strength and the high-temperature post-bonding strength of example 10 are both greater than those of examples 7 to 9, indicating that the bonding performance of the binder can be further improved when the ore sand is dried with 40 to 120 mesh.
It can be seen from the combination of examples 1 to 3 and comparative examples 1 to 3 and table 2 that the loss rates of the adhesive strength after high temperature and the adhesive strength after high temperature of examples 1 to 3 are significantly greater than the loss rates of the adhesive strength after high temperature and the adhesive strength after high temperature of examples 1 to 3, which indicates that the adhesive performance of the adhesive can be effectively improved by adding the filler made of sodium acetate trihydrate and porous silica into the adhesive and the synergistic effect of the sodium acetate trihydrate and the porous silica.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (8)
1. The tile adhesive is characterized by comprising the following raw materials in parts by weight:
ash cement 340 and 355;
the ore sand 530 and 545 parts;
4-8 parts of rubber powder;
2-4 parts of cellulose;
1-5 parts of an early strength agent;
90-110 parts of heavy calcium carbonate;
10-15 parts of a filler;
the filler is prepared from the following raw materials in parts by weight:
5-8 parts of sodium acetate trihydrate;
5-7 parts of porous silicon dioxide;
the raw material weight parts of the filler are based on the adhesive.
2. A tile adhesive according to claim 1, wherein: the preparation of the filler comprises the following steps:
s1: adding porous silicon dioxide into a double salt solution for soaking, and then roasting for 2-2.5h at the temperature of 300-350 ℃;
s2: and washing the roasted porous silicon dioxide with water, drying, mixing with sodium acetate trihydrate, and finally stirring to obtain the filler.
3. A tile adhesive according to claim 2, wherein: the double salt solution in the step S1 is prepared according to the weight ratio of H2O: NaC 1: LiCl: the mass ratio of KNO3 is (10-12): (3-4): 1: 1, and preparing the composition.
4. A tile adhesive according to claim 1, wherein: the early strength agent is one of calcium formate and a middle one.
5. A tile adhesive according to claim 1, wherein: the cellulose is methyl cellulose.
6. A tile adhesive according to claim 1, wherein: the raw material of the binder also comprises 2-4 parts of starch ether.
7. A tile adhesive according to claim 1, wherein: the ore sand is dried sand, and the particle size of the dried sand is 40-120 meshes.
8. A process for preparing a tile adhesive according to any one of claims 1 to 7, wherein: the preparation method comprises the following steps:
s1: carrying out dry mixing and stirring on the gray cement, the ore sand, the triple superphosphate, the rubber powder and the early strength agent to obtain a premix A;
s2: mixing and stirring the premix A, cellulose and filler to obtain a premix B;
s3: and (3) mixing and stirring water and the premix B according to the weight ratio of 1 (3-5) to obtain the ceramic tile adhesive.
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Application publication date: 20220729 |