CN112194425A - Environment-friendly ceramic tile binder and preparation method thereof - Google Patents
Environment-friendly ceramic tile binder and preparation method thereof Download PDFInfo
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- CN112194425A CN112194425A CN202010917939.XA CN202010917939A CN112194425A CN 112194425 A CN112194425 A CN 112194425A CN 202010917939 A CN202010917939 A CN 202010917939A CN 112194425 A CN112194425 A CN 112194425A
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- 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
- C04B28/04—Portland 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
- 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
-
- 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
- C04B2111/00017—Aspects relating to the protection of the environment
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/2092—Resistance against biological degradation
-
- 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
- C04B2111/34—Non-shrinking or non-cracking materials
- C04B2111/343—Crack resistant 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
- C04B2201/10—Mortars, concrete or artificial stone characterised by specific physical values for the viscosity
-
- 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
Abstract
The invention provides an environment-friendly ceramic tile adhesive and a preparation method thereof, belonging to the technical field of adhesive production, wherein the adhesive comprises the following raw materials in percentage by weight: 10-30% of cement, 60-85% of machine-made sand, 5-15% of steel slag powder and/or composite micro powder, 0-1.5% of separable regenerated latex powder and 0.05-1% of cellulose ether. The invention also provides a preparation method of the adhesive. The adhesive has the advantages of reasonable formula, wide source, low cost and environmental protection, and the obtained adhesive has good adhesion, good adhesive strength, difficult occurrence of cracks and mildew-proof effect.
Description
Technical Field
The invention relates to the technical field of production of ceramic tile adhesives, in particular to an environment-friendly ceramic tile adhesive and a preparation method thereof.
Background
At present, the tile adhesive has little research and technical innovation, and is basically produced by using some formulas on the market. The existing ceramic tile binder sold on the market uses a large amount of river sand (or sea sand) with high cost, the sand is coarse and does not contain fine powder, the grading is unreasonable, the cement consumption is large, the cost is high, the bonding strength is poor, and the technical indexes are difficult to be improved. As the sand source is strictly controlled by the nation, the shortage of resources will cause the production cost to be improved, and the quality is difficult to be ensured.
Most tile adhesives produced by the existing enterprises are mainly made of cement, river sand (or sea sand), heavy calcium carbonate powder, redispersible latex powder, cellulose ether and the like, and the formula is as follows: 40-50% of cement, 40-50% of sand, 5-15% of heavy calcium powder, 0.5-2% of separable regenerated latex powder, 0.05-1% of cellulose ether and other additives. The produced tile adhesive has various types, a certain amount of cement needs to be added when part of the tile adhesive is used, and part of the tile adhesive can be directly used. Due to the use of river sand, sea sand and the like, the price of the sand is soaring along with the exhaustion of resources and the strict control of the country on river sand exploitation, and the production cost is high.
The Chinese patent application with publication number CN106746989A discloses a ceramic tile adhesive containing cellulose ether and a production process thereof, wherein the ceramic tile adhesive comprises cement, silica fume, quartz powder, gypsum powder, re-dispersible latex powder, acrylic acid chitosan, propylene glycol, cellulose ether, triethanolamine alginate, calcium formate, dibutyl phthalate, a water repellent, lignosulfonate, tartaric acid and water. Although having good water repellency and adhesiveness, the composition is complicated. Therefore, an environment-friendly ceramic tile adhesive which is simple to prepare, easy to store and has a mildew-proof effect needs to be researched.
Disclosure of Invention
In order to solve the technical problems, the invention provides the environment-friendly ceramic tile binder and the preparation method thereof, the used raw materials have wide sources, the recycled waste resources are fully utilized, part of the raw materials have the characteristics of hydraulic cementing materials, the grain grading mutual filling is used, the interfacial tension between grains is increased, the product bonding strength is improved by physical and chemical methods, the preparation is simple, the storage is easy, the mildew-proof effect is achieved, and the environment-friendly ceramic tile binder has wide application prospects.
In order to achieve the purpose, the invention provides the following technical scheme:
an environment-friendly ceramic tile adhesive comprises the following raw materials in percentage by weight: 10-30% of cement, 60-85% of machine-made sand, 5-15% of steel slag powder and/or composite micro powder, 0-1.5% of redispersible latex powder and 0.05-1% of cellulose ether.
Further, the cement type is 32.5 grade or above ordinary portland cement or M32.5 cement in masonry cement.
Further, the machine-made sand is selected from calcareous sand or siliceous sand; the mud content of the machine-made sand is less than or equal to 1 percent, the water content is less than or equal to 1 percent, and the granularity is less than or equal to 1.5 mm.
Further, the cellulose ether is hydroxypropyl methyl cellulose, and the viscosity of the cellulose ether is more than or equal to 100000mpa & s.
Furthermore, the solid content of the redispersible latex powder is more than or equal to 98 percent by weight, the ash content is 10 +/-2 percent by weight, and the pH value is 6-8.
Further, the grain size of the steel slag powder is less than or equal to 45 mu m; the particle size of the composite micro powder is below 45 mu m.
Further, the composite micro powder comprises the following components in percentage by weight: 10-50% of steel slag, 10-30% of ferroalloy slag and 40-90% of granulated blast furnace slag.
Further, the environment-friendly ceramic tile adhesive also comprises the following raw materials in percentage by weight: 0.01 to 0.02 percent of nano silver dioxide, 0.03 to 0.06 percent of litsea cubeba oil and 0.02 to 0.05 percent of chitosan.
The invention provides a preparation method of the environment-friendly ceramic tile adhesive, which comprises the following steps:
(1) mixing the components according to the weight percentage;
(2) adding cement, machine-made sand, composite micro powder and/or steel slag powder, adding the other components, and uniformly stirring for more than or equal to 180s to prepare the dry powder of the environment-friendly ceramic tile binder.
Further, the mixing process is carried out at a rotation speed of 200-300 r/min.
The raw materials of cement, machine-made sand, steel slag powder, composite micro powder, separable regenerated latex powder, cellulose ether, nano silver dioxide, litsea cubeba oil and chitosan used in the invention are purchased from domestic and foreign industrial raw material companies or self-produced and can be directly utilized.
The invention has the following beneficial effects:
1. the invention solves the problems of insufficient resources, high production cost and the like caused by shortage of river sand or sea sand in the traditional manufacturing process by using a new material and adjusting the formula of the tile adhesive, and the river sand or the sea sand has uneven grain shape, relatively smooth appearance and relatively weak adhesion with other substances and usually needs to be added with a chemical additive to improve the adhesion; the invention uses the machine-made sand with uniform granularity, good grain shape, grain composition and lower cost, the machine-made sand has rough appearance and strong cohesiveness with other substances, not only can solve the problems of river sand or sea sand, but also reduces the cement consumption.
2. The formula provided by the invention uses the principle of close packing of different-particle-size particles, the particles with different particle sizes are mutually filled, the interfacial tension between the particles is increased, and the product bonding strength is improved by a physical method. The granularity of the cement, the machine-made sand, the steel slag powder or the composite micro powder is less than or equal to 0.08mm, less than or equal to 1.5mm and less than or equal to 0.045 mu m in sequence, and the raw materials of all the grain size grades are matched with each other and adopt specific proportion to the raw materials of all the grain size grades, so that the components are tightly stacked, the gaps among the raw materials are reduced, the interfacial tension among the grains is improved, the bonding strength of the product is further improved, and the conditions of hollowing, cracking, mildewing and the like are effectively prevented.
3. The environment-friendly ceramic tile adhesive is also supplemented with a certain amount of nano silver dioxide, litsea cubeba oil and chitosan, wherein the litsea cubeba oil is natural essential oil extracted from fresh litsea cubeba fruits, and comprises the main chemical components of citral, limonene, methyl heptenone, linalool, geraniol, vanillin and camphene, so that the environment-friendly ceramic tile adhesive is fragrant in taste and has a certain sterilization effect; the nano silver oxide and the chitosan have good bacteriostatic action; the raw materials are mutually and synergistically mixed, so that the antibacterial and mildew-proof properties of the adhesive can be effectively improved, the hollowing and mildew conditions caused by bacterial breeding in a humid environment are reduced, and the safety and sanitation conditions after adhesion are further guaranteed.
Detailed Description
The invention is further illustrated by the following examples, which are not to be construed as limiting the invention.
Examples 1-7 environmentally friendly tile adhesives comprise the raw materials and their weight percentages as shown in table 1.
TABLE 1
Example 1
The preparation method of the environment-friendly ceramic tile adhesive comprises the following steps:
(1) mixing the components according to the weight percentage;
(2) common 42.5 portland cement, calcareous sand, steel slag powder, composite micro powder, redispersible latex powder and cellulose ether are put into a conveying device and a metering device and are uniformly stirred at the rotating speed of 200r/min for more than or equal to 180s, and then the dry powder of the environment-friendly tile adhesive is prepared.
Example 2
The preparation method of the environment-friendly ceramic tile adhesive comprises the following steps:
(1) mixing the components according to the weight percentage;
(2) common 42.5 portland cement, calcareous sand, steel slag powder, redispersible latex powder and cellulose ether are put into a conveying device and a metering device and are uniformly stirred at the rotating speed of 300r/min for more than or equal to 180s to prepare dry powder of the environment-friendly tile binder.
Example 3
The preparation method of the environment-friendly ceramic tile adhesive comprises the following steps:
(1) mixing the components according to the weight percentage;
(2) common 42.5 Portland cement, siliceous sand, steel slag powder, composite micro powder, redispersible latex powder and cellulose ether are put into a conveying device and a metering device and are uniformly stirred at the rotating speed of 250r/min for more than or equal to 180s to prepare the dry powder of the environment-friendly ceramic tile adhesive.
Example 4
The preparation method of the environment-friendly ceramic tile adhesive comprises the following steps:
(1) mixing the components according to the weight percentage;
(2) the dry powder of the environment-friendly ceramic tile adhesive is prepared by putting 32.5 masonry cement, siliceous sand, composite micro powder, redispersible latex powder and cellulose ether into conveying equipment and metering equipment, and uniformly stirring at the rotating speed of 240r/min for more than or equal to 180 s.
Example 5
The preparation method of the environment-friendly ceramic tile adhesive comprises the following steps:
(1) mixing the components according to the weight percentage;
(2) common 42.5 portland cement, siliceous sand, steel slag powder, redispersible latex powder, cellulose ether, nano silver dioxide, litsea cubeba oil and chitosan are put into a conveying device and a metering device and are uniformly stirred at the rotating speed of 200r/min for more than or equal to 180s, so as to prepare the dry powder of the environment-friendly ceramic tile adhesive.
Example 6
The preparation method of the environment-friendly ceramic tile adhesive comprises the following steps:
(1) mixing the components according to the weight percentage;
(2) 32.5 of cement, siliceous sand, composite micro powder, cellulose ether, nano silver dioxide, litsea cubeba oil and chitosan are put into the environment-friendly ceramic tile adhesive through conveying equipment and metering equipment and are uniformly stirred at the rotating speed of 300r/min for more than or equal to 180s to prepare the dry powder of the environment-friendly ceramic tile adhesive.
Example 7
The preparation method of the environment-friendly ceramic tile adhesive comprises the following steps:
(1) mixing the components according to the weight percentage;
(2) 32.5 of cement, calcareous sand, steel slag powder, redispersible latex powder, cellulose ether, nano silver dioxide, litsea cubeba oil and chitosan are put into the environment-friendly ceramic tile adhesive through conveying equipment and metering equipment and are uniformly stirred at the rotating speed of 250r/min for more than or equal to 180s, so that the dry powder of the environment-friendly ceramic tile adhesive is prepared.
Comparative example 1
(1) Preparing the following raw materials in parts by weight: common 42.5 of Portland cement 50 percent, river sand 40 percent, coarse whiting powder 9 percent, separately renewable latex powder 0.5 percent and cellulose ether 0.5 percent.
(2) Common 42.5 portland cement, river sand, heavy calcium carbonate powder, separable regenerated latex powder and cellulose ether are put into a conveying device and a metering device and are uniformly stirred at the rotating speed of 250r/min for more than or equal to 180s, so that the dry powder of the environment-friendly tile binder is prepared.
Example 8 Performance testing
The following quality performance tests were performed on the products of examples 1 to 7 of the present invention and comparative example 1, and the test results are shown in table 2.
1. The tensile bonding strength test adopts a detection method of JC/T547- - "ceramic wall and floor tile adhesive".
2. And (3) testing the impact resistance: the method comprises the steps of carrying a percussion drill by hand, enabling a drill to impact a tile of 80 multiplied by 80cm, evenly impacting 150-200 holes, and observing whether the tile falls off or hollows.
3. Impact resistance: and (5) knocking the surface of the prepared ceramic tile strongly by a hammer to observe whether the ceramic tile is firmly stuck or not and whether hollowing phenomenon exists or not.
4. And (3) testing dust resistance: the tile adhesive is applied to a concrete surface with a large amount of dust on one surface, and then a knocking test is carried out to observe whether the tile adhesive falls off or hollows.
5. And (3) mildew resistance test: spraying bacterial suspension (mould and nutrient solution) on the surface of the product, respectively placing in an environment with relative humidity of 60% and temperature of 30 deg.C for 30 and 180 days, and placing in an environment with relative humidity of 90% and temperature of 30 deg.C for 300 days to observe the degree of mould.
TABLE 2 test results
As can be seen from the data in Table 2, the tile adhesives of examples 1-7 of the present invention have high tensile bond strength and good adhesion, and do not mildew after being left for a long time; after impact resistance tests and impact resistance tests, the adhesive is firmly adhered, free of hollowing, falling and slipping, good in bonding performance, used in a facing with a large amount of dust, firmly adhered and free of falling and hollowing phenomena when used for knocking a wall, well meets technical standard requirements, and has wide application prospects. The nano silver dioxide, the litsea cubeba oil or the chitosan or the composition thereof added in the embodiments 5 to 7 improve the bacteriostasis duration, so that the antibacterial tile still has good mildew-proof effect after being placed in an environment with relative humidity of 90 percent for 300 days, and in addition, the tensile bonding strength is also improved, and the characteristics of the tile adhesive are comprehensively improved.
The tile adhesive of comparative example 1, though meeting the technical requirement standard, has the technical indexes far lower than those of the present application, and has a mildew condition when detected on day 180, and a large amount of mildew when placed in an environment with a relative humidity of 90% for 300 days, which indicates that the tile adhesive prepared by the traditional method is difficult to realize a long-acting mildew-proof effect, and is easy to mildew in an environment with a humidity of more than 60%, and thus the use effect is affected.
Although the present invention has been described with reference to the specific embodiments, it should be understood that the scope of the present invention is not limited thereto, and those skilled in the art will appreciate that various modifications and variations can be made without inventive changes based on the technical solutions of the present invention.
Claims (10)
1. The environment-friendly ceramic tile adhesive is characterized by comprising the following raw materials in percentage by weight: 10-30% of cement, 60-85% of machine-made sand, 5-15% of steel slag powder and/or composite micro powder, 0-1.5% of redispersible latex powder and 0.05-1% of cellulose ether.
2. The environmentally friendly tile adhesive according to claim 1, wherein the cement type is a portland cement grade 32.5 or more cement, or M32.5 cement among masonry cements.
3. The environmentally friendly tile adhesive of claim 1, wherein the machine sand is selected from a calcareous sand or a siliceous sand; the mud content of the machine-made sand is less than or equal to 1 percent, the water content is less than or equal to 1 percent, and the granularity is less than or equal to 1.5 mm.
4. The environmentally friendly tile binder of claim 1, wherein the cellulose ether is hydroxypropyl methylcellulose having a viscosity of 100000 mpa-s or more.
5. The environment-friendly tile adhesive according to claim 1, wherein the redispersible latex powder has a solid content of 98% by weight or more, an ash content of 10 ± 2% by weight, and a pH value of 6 to 8.
6. The environment-friendly tile adhesive according to claim 1, wherein the grain size of the steel slag powder is not more than 45 μm; the particle size of the composite micro powder is below 45 mu m.
7. The environment-friendly tile adhesive as claimed in claim 1, wherein the composite micro powder comprises the following components in percentage by weight: 10-50% of steel slag, 10-30% of ferroalloy slag and 40-90% of granulated blast furnace slag.
8. The environment-friendly tile adhesive according to claim 1, further comprising the following raw materials in percentage by weight: 0.01 to 0.02 percent of nano silver dioxide, 0.03 to 0.06 percent of litsea cubeba oil and 0.02 to 0.05 percent of chitosan.
9. A method for preparing the environmentally friendly tile adhesive according to any one of claims 1 to 8, comprising the steps of:
(1) mixing the components according to the weight percentage;
(2) adding cement, machine-made sand, composite micro powder and/or steel slag powder, adding the other components, and uniformly stirring for more than or equal to 180s to prepare the dry powder of the environment-friendly ceramic tile binder.
10. The preparation method of the environment-friendly tile adhesive according to claim 9, wherein the mixing process is performed by stirring at a rotation speed of 200 to 300 r/min.
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| CN202010917939.XA CN112194425A (en) | 2020-09-03 | 2020-09-03 | Environment-friendly ceramic tile binder and preparation method thereof |
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| CN202010917939.XA CN112194425A (en) | 2020-09-03 | 2020-09-03 | Environment-friendly ceramic tile binder and preparation method thereof |
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