CN108863238B - Tile joint mixture - Google Patents
Tile joint mixture Download PDFInfo
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- CN108863238B CN108863238B CN201810849472.2A CN201810849472A CN108863238B CN 108863238 B CN108863238 B CN 108863238B CN 201810849472 A CN201810849472 A CN 201810849472A CN 108863238 B CN108863238 B CN 108863238B
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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
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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
- 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
- C04B2111/00663—Uses not provided for elsewhere in C04B2111/00 as filling material for cavities or the like
- C04B2111/00672—Pointing or jointing materials
Abstract
The invention relates to a tile joint mixture, and belongs to the technical field of coatings. The peach gum and the nano-silica are used as raw materials to prepare the feed liquid, the nano-silica is stably dispersed, the mechanical engaging force between the filler components and other components is effectively improved after high-power microwave treatment, and after the nano-silica is cured, the external force can be rapidly dispersed into the system when the external force is applied, so that the toughness of the joint sealant system is effectively improved, and cracking after drying is avoided; the compound filling material is formed by oil-making microcapsules of linseed oil, gelatin and the like and filling materials, the linseed oil microcapsules can be broken under the action of external force, so that the linseed oil and lecithin in the linseed oil microcapsules are released to replace part of polar groups in a system, the hydrophobicity of a joint filling material system is improved, the waterproof performance is excellent after the sex microcapsules penetrate into gaps of ceramic tiles, and the waterproof performance of the ceramic tiles can be further improved while the self-repairing of the gaps of the ceramic tiles is realized. The invention solves the problems that the conventional joint mixture is easy to dry and crack and has poor waterproofness.
Description
Technical Field
The invention relates to the technical field of coatings, and particularly relates to a tile joint mixture.
Background
With the development of the building material industry, the joint mixture is widely applied to the gap decoration of materials such as ceramic tiles, stone materials, wood boards, glass, aluminum-plastic plates and the like. The ceramic tile seam can be used for both newly paved ceramic tile seams after being decorated and ceramic tile seams which have been used for years. The joint mixture has the effects of water resistance, seepage prevention, stain resistance and the like besides the decorative effect, and can be matched with the ceramic tiles to form a whole body to further enhance the integral aesthetic feeling of the wall body. At present, gaps among ceramic tiles are mainly filled with cement mortar or neat paste of ordinary portland cement, white cement and colored cement as a gap filling material, and the gap filling material is easy to dry and shrink to generate cracks, so that rainwater leakage is caused.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: aiming at the problems that the conventional joint mixture is easy to dry and crack and poor in waterproofness, the joint mixture for the ceramic tiles is provided.
In order to solve the technical problems, the invention adopts the following technical scheme:
the tile joint mixture comprises the following components in parts by weight: 30-50 parts of ordinary silica cement, 12-20 parts of quartz sand, 5-8 parts of aggregate, 3-7 parts of a water repellent, 2-5 parts of a defoaming agent and 5-10 parts of a dispersing agent, and is characterized by further comprising the following components in parts by weight: 20-35 parts of composite filler and 15-30 parts of sepiolite-silicon carbide composite.
The preparation method of the composite filler comprises the following steps:
(1) taking glass fibers according to the mass ratio of 1: 4-8, adding a solvent A for soaking, filtering, taking filter residues for drying, introducing nitrogen for protection, heating up to 680-780 ℃ in a programmed manner, preserving heat for carbonization, continuously heating up to 1450-1550 ℃, carrying out high-temperature reaction, cooling, and discharging to obtain a filler for later use;
(2) at 38-50 ℃, according to the mass ratio of 3: 1-2: 20-25, mixing linseed oil, lecithin and a gelatin solution in a container, shearing and dispersing to obtain an emulsion, adding a sodium sulfate solution which is 3-5 times of the mass of the emulsion into the emulsion, heating, stirring and mixing, cooling, preserving heat to obtain a mixed solution, adding a formaldehyde solution which is 6-10% of the mass of the mixed solution into the mixed solution, mixing, adjusting the pH, stirring, standing and solidifying, performing suction filtration to obtain a filter cake, washing the filter cake with deionized water which is 3-6 times of the mass of the filter cake, refrigerating, and freeze-drying to obtain an oily microcapsule;
(3) and (2) mixing 20-40 parts of filler, 10-20 parts of oily microcapsules and 50-70 parts of sodium bicarbonate solution by weight, performing ultrasonic oscillation, and performing vacuum evaporation to obtain the composite filler.
In the step (1): solvent A: according to the mass ratio of 4: 1-2: 0.1 taking sodium carbonate solution, PBS buffer solution and CaCl2Mixing to obtain the solvent A.
The lecithin in the step (2): soybean lecithin or egg lecithin.
The preparation of the sepiolite-silicon carbide composite comprises the following steps: according to the mass ratio of 1: 20-30, mixing sepiolite and a solvent B, standing at room temperature, performing suction filtration, washing filter residues with deionized water which is 3-6 times of the mass of the filter residues, drying to obtain a dried substance, and mixing the dried substance at 40-55 ℃ according to a mass ratio of 1: adding HCl solution into the mixture 20-30, mixing, heating, stirring, performing suction filtration, taking filter residue, and drying to obtain modified sepiolite, wherein the mass ratio of the modified sepiolite to the HCl solution is 5: 1: and 1-2, mixing the modified sepiolite, sodium humate and a feed liquid in a container, carrying out microwave treatment, cooling and vacuum evaporation to obtain the sepiolite-silicon carbide composite.
The solvent B: according to the volume ratio of 5: and 1-2, mixing NaOH solution and ammonium chloride to obtain a solvent B.
The feed liquid: at the temperature of 50-75 ℃, according to the mass ratio of 1: 4: and 25-30 mixing the peach gum, the nano silicon dioxide and water, standing for swelling, stirring, evaporating under reduced pressure, concentrating under vacuum, and oscillating by ultrasonic waves to obtain the feed liquid.
The water repellent agent: the organosilicon water repellent SHP50 or SHP 60.
The defoaming agent comprises the following components: according to the mass ratio of 4: and 1-2, mixing the dimethyl silicone oil and the polyoxyethylene polyoxypropylene amine ether to obtain the defoaming agent.
The dispersing agent is as follows: according to the mass ratio of 3: and 1-2, mixing microcrystalline paraffin and stearic acid monoglyceride to obtain the dispersing agent.
Compared with other methods, the method has the beneficial technical effects that:
(1) the invention uses peach gum and nano-silicon dioxide as raw materials to prepare feed liquid, so that the nano-silicon dioxide can be stably dispersed, and after high-power microwave treatment, the peach gum is carbonized to generate CO2The silicon carbide is reacted with the nano silicon dioxide and the filler to form silicon carbide, so that strong chemical bonding force can be provided, the interior of the sepiolite can be effectively filled, the mechanical interlocking force between the filler components and other components can be effectively improved under the action of a dispersing agent and the like, and after the silicon carbide is used and cured, external force can be rapidly dispersed into a system when the silicon carbide bears the external force, so that the toughness of a joint sealing material system is effectively improved, and cracking after drying is avoided;
(2) the invention uses linseed oil, gelatin and other oil-making microcapsules to form a composite filler with fillers and the like, under the action of external force, the linseed oil microcapsules can be broken to release the linseed oil and lecithin in the system, partial polar groups in the system can be replaced, the hydrophobicity of a joint filling material system is improved, the lecithin can bring a large amount of negative charges to cause charge repulsion in the system, especially when the modified sepiolite is softened when meeting water, the fillers which take glass fiber as raw materials are released to fill the gaps when the system is expanded, the oily microcapsules have excellent waterproof performance after being cured after penetrating into the gaps of the ceramic tiles, and the waterproof performance of the ceramic tiles can be further improved while the self-repairing of the gaps of the ceramic tiles is realized.
Detailed Description
Water repellent: the organosilicon water repellent SHP50 or SHP 60.
Defoaming agent: according to the mass ratio of 4: and 1-2, mixing the dimethyl silicone oil and the polyoxyethylene polyoxypropylene amine ether to obtain the defoaming agent.
Dispersing agent: according to the mass ratio of 3: and 1-2, mixing microcrystalline paraffin and stearic acid monoglyceride to obtain the dispersing agent.
Solvent A: according to the mass ratio of 4: 1-2: 0.1 taking 20 mass percent of sodium carbonate solution, PBS buffer solution with the pH value of 7.2-7.6, CaCl2Mixing to obtain the solvent A.
Solvent B: according to the volume ratio of 5: and 1-2, mixing a NaOH solution with the concentration of 0.01mol/L with ammonium chloride to obtain a solvent B.
Feed liquid: and (2) performing water bath at 50-75 ℃, wherein the mass ratio is 1: 4: mixing 25-30 peach gum, nano silicon dioxide and water, standing and swelling for 3-5 hours, magnetically stirring for 25-50 minutes at a speed of 400-600 r/min, performing reduced pressure evaporation at a temperature of 60-75 ℃, performing vacuum concentration to 50-65% of the original volume, and performing ultrasonic oscillation for 15-25 minutes at a frequency of 45-55 kHz to obtain the feed liquid.
Lecithin: soybean lecithin or egg lecithin.
The preparation method of the composite filler comprises the following steps:
(1) taking glass fibers according to the mass ratio of 1: 4-8, adding a solvent A, soaking for 3-5 h, filtering, taking filter residues, drying in an oven at 60-75 ℃ until the weight is constant, transferring into a carbonization furnace, introducing nitrogen for protection, carrying out temperature programming at a speed of 6-10 ℃/min until the temperature is 680-780 ℃, carrying out heat preservation carbonization for 2-4 h, continuing heating to 1450-1550 ℃, carrying out high-temperature reaction for 3-5 h, cooling to room temperature along with the furnace, and discharging to obtain a filler for later use;
(2) at 38-50 ℃, according to the mass ratio of 3: 1-2: 20-25 taking linseed oil, lecithin and a gelatin solution with the mass fraction of 2-5% to mix in a container, shearing and dispersing at 600-800 r/min to obtain an emulsion, adding the emulsion into a sodium sulfate solution with the mass fraction of 15% which is 3-5 times of the mass of the emulsion, heating to 80-90 ℃, stirring and mixing at the rotating speed of 400-500 r/min for 2-4 h, naturally cooling to 15-30 ℃, preserving heat to obtain a mixed solution, adding the mixed solution into a formaldehyde solution with the mass fraction of 37% and the mass fraction of 6-10% of the mixed solution to mix, adjusting the pH to 8.8-9.2 by using a NaOH solution with the concentration of 0.1mol/L, stirring at 350-500 r/min for 10-15 min, standing and curing for 45-60 min, performing suction filtration to obtain a filter cake, washing the filter cake by using deionized water with the mass fraction of 3-6 times of the filter cake, transferring to a refrigerator with the temperature of-4 ℃ for refrigeration for 10-12 h, and drying in a freeze dryer with the temperature, obtaining oily microcapsules;
(3) according to the weight parts, 20-40 parts of filler, 10-20 parts of oily microcapsule and 50-70 parts of 0.01mol/L sodium bicarbonate solution are mixed, the mixture is oscillated for 15-25 min by ultrasonic waves of 45-55 kHz, and the mixture is evaporated in vacuum at 60-75 ℃ until the weight is constant, so that the composite filler is obtained.
Preparation of sepiolite-silicon carbide composite: according to the mass ratio of 1: 20-30, mixing sepiolite and a solvent B, standing for 20-24 h at room temperature, performing suction filtration, washing filter residues with deionized water with the mass of 3-6 times that of the filter residues, drying in an oven at 100-120 ℃ for 4-6 h to obtain a dried substance, and drying in a water bath at 40-55 ℃ in a mass ratio of 1: adding HCl solution with the mass fraction of 10% into the mixture 20-30, mixing, heating to 70-85 ℃, stirring for 10-12 hours at the speed of 350-500 r/min, performing suction filtration, taking filter residue, drying the filter residue in an oven at the temperature of 100-120 ℃ for 4-6 hours to obtain modified sepiolite, and mixing the sepiolite with the HCl solution at the mass fraction of 5: 1: and 1-2, mixing the modified sepiolite, sodium humate and feed liquid in a container, treating for 15-20 min by 2.4kW microwave, naturally cooling, and evaporating to constant weight in vacuum at 60-75 ℃ to obtain the sepiolite-silicon carbide composite.
The tile joint mixture comprises the following components in parts by weight: 30-50 parts of ordinary cement, 12-20 parts of quartz sand, 5-8 parts of aggregate, 3-7 parts of a water repellent, 2-5 parts of a defoaming agent, 5-10 parts of a dispersing agent, 20-35 parts of a composite filler and 15-30 parts of a sepiolite-silicon carbide composite.
The preparation method of the tile grout comprises the following steps:
(1) according to the mass parts, 30-50 parts of ordinary cement, 12-20 parts of quartz sand, 5-8 parts of aggregate, 3-7 parts of water repellent, 2-5 parts of defoaming agent, 5-10 parts of dispersing agent, 20-35 parts of composite filler and 15-30 parts of sepiolite-silicon carbide composite are taken;
(2) mixing ordinary cement, quartz sand, a water repellent, a defoaming agent, a dispersing agent and aggregate in a mixer, stirring for 30-50 min at 300-500 r/min, adding a composite filler and a sepiolite-silicon carbide compound, increasing the rotating speed to 600-800 r/min, and stirring for 1-3 h to obtain the tile joint mixture.
Example 1
Water repellent: organosilicon water repellent SHP 50.
Defoaming agent: according to the mass ratio of 4: 1, mixing dimethyl silicone oil and polyoxyethylene polyoxypropylene amine ether to obtain the defoaming agent.
Dispersing agent: according to the mass ratio of 3: 1, mixing microcrystalline paraffin and stearic acid monoglyceride to obtain the dispersing agent.
Solvent A: according to the mass ratio of 4: 1: 0.1 taking 20 percent sodium carbonate solution by mass fraction, PBS buffer solution with pH of 7.2, CaCl2Mixing to obtain the solvent A.
Solvent B: according to the volume ratio of 5: 1, mixing NaOH solution with the concentration of 0.01mol/L with ammonium chloride to obtain a solvent B.
Feed liquid: performing water bath at 50 ℃, and mixing the raw materials in a mass ratio of 1: 4: mixing the peach gum, the nano-silicon dioxide and water, standing and swelling for 3h, magnetically stirring for 25min at 400r/min, evaporating at 60 ℃ under reduced pressure, concentrating in vacuum to 50% of the original volume, and ultrasonically oscillating for 15min at 45kHz frequency to obtain the feed liquid.
Lecithin: soybean lecithin.
The preparation method of the composite filler comprises the following steps:
(1) taking glass fibers according to the mass ratio of 1: 4, adding the solvent A, soaking for 3 hours, filtering, taking filter residues, drying the filter residues in a 60 ℃ oven until the weight is constant, transferring the filter residues into a carbonization furnace, introducing nitrogen for protection, carrying out temperature programming to 680 ℃ at the speed of 6 ℃/min, keeping the temperature for carbonization for 2 hours, continuing to heat to 1450 ℃, carrying out high-temperature reaction for 3 hours, cooling to room temperature along with the furnace, and discharging to obtain a filler for later use;
(2) at 38 ℃, according to the mass ratio of 3: 1: 20, mixing linseed oil, lecithin and a gelatin solution with the mass fraction of 2% in a container, shearing and dispersing at 600r/min to obtain an emulsion, adding a sodium sulfate solution with the mass fraction of 15% which is 3 times that of the emulsion into the emulsion, heating to 80 ℃, stirring and mixing for 2h at the rotating speed of 400r/min, naturally cooling to 15 ℃, preserving heat to obtain a mixed solution, adding a formaldehyde solution with the mass fraction of 37% and the mass fraction of 6% of the mixed solution into the mixed solution, mixing the mixed solution with a NaOH solution with the concentration of 0.1mol/L to adjust the pH to 8.8, stirring for 10min at 350r/min, standing and solidifying for 45min, performing suction filtration to obtain a filter cake, washing the filter cake with deionized water with the mass of 3 times that of the filter cake, transferring to a refrigerator at-4 ℃ for refrigeration for 10h, and drying in a freeze dryer at-60 ℃ for 20h to obtain an;
(3) according to the mass parts, 20 parts of filler, 10 parts of oily microcapsules and 50 parts of sodium bicarbonate solution with the concentration of 0.01mol/L are mixed, the mixture is oscillated for 15min by ultrasonic waves of 45kHz, and the mixture is evaporated in vacuum at 60 ℃ until the weight is constant, so that the composite filler is obtained.
Preparation of sepiolite-silicon carbide composite: according to the mass ratio of 1: and 20, mixing sepiolite and a solvent B, standing for 20h at room temperature, performing suction filtration, washing filter residue with deionized water which is 3 times of the mass of the filter residue, drying in an oven at 100 ℃ for 4h to obtain a dried substance, and drying in a water bath at 40 ℃ to obtain the dried substance according to the mass ratio of 1: adding 10% by mass of HCl solution into the mixture 20, heating the mixture to 70 ℃, stirring the mixture for 10 hours at a speed of 350r/min, performing suction filtration, taking filter residue, drying the filter residue in an oven at a temperature of 100 ℃ for 4 hours to obtain modified sepiolite, and mixing the sepiolite with the HCl solution at a mass ratio of 5: 1: 1, mixing the modified sepiolite, sodium humate and feed liquid in a container, carrying out microwave treatment for 15min at 2.4kW, naturally cooling, and carrying out vacuum evaporation at 60 ℃ to constant weight to obtain the sepiolite-silicon carbide composite.
The tile joint mixture comprises the following components in parts by weight: 30 parts of ordinary cement, 12 parts of quartz sand, 5 parts of aggregate, 3 parts of water repellent, 2 parts of defoaming agent, 5 parts of dispersing agent, 20 parts of composite filler and 15 parts of sepiolite-silicon carbide compound.
The preparation method of the tile grout comprises the following steps:
(1) according to the mass parts, 30 parts of ordinary cement, 12 parts of quartz sand, 5 parts of aggregate, 3 parts of water repellent, 2 parts of defoaming agent, 5 parts of dispersing agent, 20 parts of composite filler and 15 parts of sepiolite-silicon carbide compound are taken;
(2) mixing ordinary cement, quartz sand, a water repellent, a defoaming agent, a dispersing agent and aggregate in a mixer, stirring for 30min at 300r/min, adding a composite filler and a sepiolite-silicon carbide compound, increasing the rotating speed to 600r/min, and stirring for 1h to obtain the tile joint mixture.
Example 2
Water repellent: organosilicon water repellent SHP 60.
Defoaming agent: according to the mass ratio of 4: 2, mixing the dimethyl silicone oil and the polyoxyethylene polyoxypropylene amine ether to obtain the defoaming agent.
Dispersing agent: according to the mass ratio of 3: and 2, mixing the microcrystalline paraffin and the stearic acid monoglyceride to obtain the dispersing agent.
Solvent A: according to the mass ratio of 4: 2: 0.1 taking 20 percent sodium carbonate solution by mass fraction, PBS buffer solution with pH of 7.6, CaCl2Mixing to obtain the solvent A.
Solvent B: according to the volume ratio of 5: 2 mixing NaOH solution with the concentration of 0.01mol/L with ammonium chloride to obtain a solvent B.
Feed liquid: performing water bath at 75 ℃, and mixing the raw materials in a mass ratio of 1: 4: 30 mixing the peach gum, the nano silicon dioxide and the water, standing and swelling for 5h, magnetically stirring for 50min at 600r/min, decompressing and evaporating at 75 ℃, concentrating in vacuum to 65% of the original volume, and ultrasonically oscillating for 25min at 55kHz frequency to obtain the feed liquid.
Lecithin: egg lecithin.
The preparation method of the composite filler comprises the following steps:
(1) taking glass fibers according to the mass ratio of 1: 8, adding the solvent A, soaking for 5 hours, filtering, taking filter residues, drying in a 75 ℃ oven to constant weight, transferring into a carbonization furnace, introducing nitrogen for protection, carrying out temperature programming to 780 ℃ at the speed of 10 ℃/min, carrying out heat preservation and carbonization for 4 hours, continuing to heat to 1550 ℃, carrying out high-temperature reaction for 5 hours, cooling to room temperature along with the furnace, and discharging to obtain a filler for later use;
(2) at 50 ℃, according to the mass ratio of 3: 2: 25 taking linseed oil, lecithin and a gelatin solution with the mass fraction of 5% to be mixed in a container, shearing and dispersing at 800r/min to obtain emulsion, adding a sodium sulfate solution with the mass fraction of 5 times that of 15% of the emulsion into the emulsion, heating to 90 ℃, stirring and mixing for 4h at the rotating speed of 500r/min, naturally cooling to 30 ℃, preserving heat to obtain a mixed solution, adding a formaldehyde solution with the mass fraction of 37% of 10% of the mixed solution into the mixed solution to be mixed, adjusting the pH to 9.2 by using a NaOH solution with the concentration of 0.1mol/L, stirring for 15min at 500r/min, standing and solidifying for 60min, carrying out suction filtration to obtain a filter cake, washing the filter cake by using deionized water with the mass of 6 times that of the filter cake, transferring to a refrigerator with the temperature of-4 ℃ for 12h, and drying for 24h by using a freeze dryer with the temperature of-60 ℃;
(3) according to the mass parts, 40 parts of filler, 20 parts of oily microcapsules and 70 parts of sodium bicarbonate solution with the concentration of 0.01mol/L are mixed, the mixture is oscillated for 25min by ultrasonic waves of 55kHz, and the mixture is evaporated in vacuum at the temperature of 75 ℃ until the weight is constant, so that the composite filler is obtained.
Preparation of sepiolite-silicon carbide composite: according to the mass ratio of 1: 30, mixing sepiolite and a solvent B, standing for 24 hours at room temperature, performing suction filtration, washing filter residue with deionized water 6 times of the mass of the filter residue, drying in an oven at 120 ℃ for 6 hours to obtain a dried substance, and drying in a water bath at 55 ℃ to obtain the dried substance according to a mass ratio of 1: adding 10% by mass of HCl solution into the mixture 30, heating to 85 ℃, stirring at 500r/min for 12 hours, performing suction filtration, taking filter residue, drying in an oven at 120 ℃ for 6 hours to obtain modified sepiolite, and mixing the sepiolite with the HCl solution at the mass ratio of 5: 1: 2, mixing the modified sepiolite, sodium humate and the feed liquid in a container, treating for 20min by 2.4kW microwave, naturally cooling, and evaporating to constant weight in vacuum at 75 ℃ to obtain the sepiolite-silicon carbide composite.
The tile joint mixture comprises the following components in parts by weight: 50 parts of ordinary cement, 20 parts of quartz sand, 8 parts of aggregate, 7 parts of water repellent, 5 parts of defoaming agent, 10 parts of dispersing agent, 35 parts of composite filler and 30 parts of sepiolite-silicon carbide compound.
The preparation method of the tile grout comprises the following steps:
(1) taking 50 parts of ordinary cement, 20 parts of quartz sand, 8 parts of aggregate, 7 parts of water repellent, 5 parts of defoaming agent, 10 parts of dispersing agent, 35 parts of composite filler and 30 parts of sepiolite-silicon carbide compound by mass;
(2) mixing ordinary cement, quartz sand, a water repellent, a defoaming agent, a dispersing agent and aggregate in a mixer, stirring for 50min at 500r/min, adding a composite filler and a sepiolite-silicon carbide compound, increasing the rotating speed to 800r/min, and stirring for 3h to obtain the tile joint mixture.
Example 3
Water repellent: organosilicon water repellent SHP 50.
Defoaming agent: according to the mass ratio of 4: 1.5 mixing dimethyl silicone oil and polyoxyethylene polyoxypropylene amine ether to obtain the defoaming agent.
Dispersing agent: according to the mass ratio of 3: 1.5 mixing the microcrystalline paraffin and the stearic acid monoglyceride to obtain the dispersing agent.
Solvent A: according to the mass ratio of 4: 1.5: 0.1 taking 20 percent sodium carbonate solution by mass fraction, PBS buffer solution with pH of 7.4, CaCl2Mixing to obtain the solvent A.
Solvent B: according to the volume ratio of 5: 1.5 mixing NaOH solution with the concentration of 0.01mol/L with ammonium chloride to obtain a solvent B.
Feed liquid: performing water bath at 60 ℃, and mixing the raw materials in a mass ratio of 1: 4: 28 mixing peach gum, nano silicon dioxide and water, standing and swelling for 4h, magnetically stirring for 40min at 500r/min, evaporating at 70 ℃ under reduced pressure, vacuum concentrating to 55% of the original volume, and ultrasonically oscillating for 20min at 50kHz frequency to obtain the feed liquid.
Lecithin: soybean lecithin.
The preparation method of the composite filler comprises the following steps:
(1) taking glass fibers according to the mass ratio of 1: 6, adding the solvent A, soaking for 4 hours, filtering, taking filter residues, drying in a 65 ℃ oven to constant weight, transferring into a carbonization furnace, introducing nitrogen for protection, heating to 720 ℃ at a speed of 8 ℃/min, keeping warm and carbonizing for 3 hours, continuing heating to 1500 ℃, reacting at high temperature for 4 hours, cooling to room temperature along with the furnace, and discharging to obtain a filler for later use;
(2) at 42 ℃, according to the mass ratio of 3: 1.5: 23, mixing linseed oil, lecithin and a gelatin solution with the mass fraction of 3% in a container, shearing and dispersing at 700r/min to obtain an emulsion, adding a sodium sulfate solution with the mass fraction of 15% 4 times that of the emulsion into the emulsion, heating to 85 ℃, stirring and mixing for 3h at the rotating speed of 450r/min, naturally cooling to 25 ℃, preserving heat to obtain a mixed solution, adding a formaldehyde solution with the mass fraction of 37% 8% that of the mixed solution into the mixed solution, mixing, adjusting the pH to 9.0 by using a NaOH solution with the concentration of 0.1mol/L, stirring for 11min at 450r/min, standing and solidifying for 52min, carrying out suction filtration to obtain a filter cake, washing the filter cake by using deionized water with the mass of 4 times that of the filter cake, transferring to a refrigerator with the temperature of-4 ℃ for 11h, and drying for 22h by using a freeze dryer with the temperature of-60 ℃ to obtain an;
(3) according to the mass portion, 30 portions of filling material, 15 portions of oily microcapsule and 60 portions of sodium bicarbonate solution with the concentration of 0.01mol/L are mixed, the mixture is oscillated for 20min by ultrasonic wave of 50kHz, and the mixture is evaporated in vacuum at 70 ℃ until the weight is constant, so that the composite filling material is obtained.
Preparation of sepiolite-silicon carbide composite: according to the mass ratio of 1: 22, mixing sepiolite and a solvent B, standing for 22h at room temperature, performing suction filtration, washing filter residue with deionized water 4 times the mass of the filter residue, drying in an oven at 110 ℃ for 5h to obtain a dried substance, and drying in a water bath at 45 ℃ to obtain the dried substance according to a mass ratio of 1: adding 10% by mass of HCl solution, mixing, heating to 783 ℃, stirring at 400r/min for 11h, performing suction filtration, taking filter residue, drying in a 110 ℃ oven for 5h to obtain modified sepiolite, and mixing the modified sepiolite with the HCl solution at 70 ℃ according to a mass ratio of 5: 1: 1.5 mixing the modified sepiolite, sodium humate and feed liquid in a container, performing microwave treatment for 18min by 2.4kW, naturally cooling, and performing vacuum evaporation at 65 ℃ to constant weight to obtain the sepiolite-silicon carbide composite.
The tile joint mixture comprises the following components in parts by weight: 40 parts of ordinary cement, 17 parts of quartz sand, 7 parts of aggregate, 5 parts of water repellent, 3 parts of defoaming agent, 7 parts of dispersing agent, 30 parts of composite filler and 25 parts of sepiolite-silicon carbide compound.
The preparation method of the tile grout comprises the following steps:
(1) according to the mass parts, 35 parts of ordinary cement, 18 parts of quartz sand, 7 parts of aggregate, 5 parts of water repellent, 3 parts of defoaming agent, 7 parts of dispersing agent, 30 parts of composite filler and 25 parts of sepiolite-silicon carbide compound are taken;
(2) mixing ordinary cement, quartz sand, a water repellent, a defoaming agent, a dispersing agent and aggregate in a mixer, stirring for 40min at 400r/min, adding a composite filler and a sepiolite-silicon carbide compound, increasing the rotating speed to 700r/min, and stirring for 2h to obtain the tile joint mixture.
Comparative example 1: the same procedure was followed as in example 1 except that the composite filler was absent.
Comparative example 2: the same procedure was followed as in example 1 except that the sepiolite-silicon carbide composite was absent.
Comparative example 3: a ceramic tile caulking agent produced by a company in Beijing.
Indexes such as abrasion resistance, water absorption and the like of the joint mixture prepared in the examples 1-3 and the comparative examples 1-3 are detected according to related regulations of cement-based joint mixture in JC/T1004-2006 ceramic wall joint mixture; meanwhile, the impermeability of the joint mixture prepared in each example is detected by referring to a coating impermeability detection method in JC/T984 + 2011 Polymer Cement waterproof mortar standard, and specific detection results are shown in Table 1.
Table 1:
in conclusion, the ceramic tile joint mixture has better effect in actual use and is worthy of being widely popularized and used.
Claims (3)
1. The tile joint mixture comprises the following components in parts by weight: 30-50 parts of ordinary silica cement, 12-20 parts of quartz sand, 5-8 parts of aggregate, 3-7 parts of a water repellent, 2-5 parts of a defoaming agent and 5-10 parts of a dispersing agent, and is characterized by further comprising the following components in parts by weight: 20-35 parts of composite filler and 15-30 parts of sepiolite-silicon carbide composite;
the water repellent agent: any one of the organosilicon water repellent SHP50 and SHP 60;
the defoaming agent comprises the following components: according to the mass ratio of 4: 1-2, mixing dimethyl silicone oil and polyoxyethylene polyoxypropylene amine ether to obtain a defoaming agent;
the dispersing agent is as follows: according to the mass ratio of 3: 1-2, mixing microcrystalline paraffin and stearic acid monoglyceride to obtain a dispersing agent;
the preparation method of the composite filler comprises the following steps:
(1) taking glass fibers according to the mass ratio of 1: 4-8, adding a solvent A for soaking, filtering, taking filter residues for drying, introducing nitrogen for protection, heating up to 680-780 ℃ in a programmed manner, preserving heat for carbonization, continuously heating up to 1450-1550 ℃, carrying out high-temperature reaction, cooling, and discharging to obtain a filler for later use;
(2) at 38-50 ℃, according to the mass ratio of 3: 1-2: 20-25, mixing linseed oil, lecithin and a gelatin solution in a container, shearing and dispersing to obtain an emulsion, adding a sodium sulfate solution which is 3-5 times of the mass of the emulsion into the emulsion, heating, stirring and mixing, cooling, preserving heat to obtain a mixed solution, adding a formaldehyde solution which is 6-10% of the mass of the mixed solution into the mixed solution, mixing, adjusting the pH, stirring, standing and solidifying, performing suction filtration to obtain a filter cake, washing the filter cake with deionized water which is 3-6 times of the mass of the filter cake, refrigerating, and freeze-drying to obtain an oily microcapsule;
(3) mixing 20-40 parts of filler, 10-20 parts of oily microcapsules and 50-70 parts of sodium bicarbonate solution by weight, performing ultrasonic oscillation, and performing vacuum evaporation to obtain a composite filler;
the preparation of the sepiolite-silicon carbide composite comprises the following steps: according to the mass ratio of 1: 20-30, mixing sepiolite and a solvent B, standing at room temperature, performing suction filtration, washing filter residues with deionized water which is 3-6 times of the mass of the filter residues, drying to obtain a dried substance, and mixing the dried substance at 40-55 ℃ according to a mass ratio of 1: adding HCl solution into the mixture 20-30, mixing, heating, stirring, performing suction filtration, taking filter residue, and drying to obtain modified sepiolite, wherein the mass ratio of the modified sepiolite to the HCl solution is 5: 1: 1-2, mixing the modified sepiolite, sodium humate and a feed liquid in a container, carrying out microwave treatment, cooling and vacuum evaporation to obtain a sepiolite-silicon carbide compound; the solvent B: according to the volume ratio of 5: 1-2, mixing NaOH solution and ammonium chloride to obtain a solvent B; the feed liquid: at the temperature of 50-75 ℃, according to the mass ratio of 1: 4: and 25-30 mixing the peach gum, the nano silicon dioxide and water, standing for swelling, stirring, evaporating under reduced pressure, concentrating under vacuum, and oscillating by ultrasonic waves to obtain the feed liquid.
2. A tile grout as claimed in claim 1, wherein in the step (1): solvent A: according to the mass ratio of 4: 1-2: 0.1 taking sodium carbonate solution, PBS buffer solution and CaCl2Mixing to obtain the solvent A.
3. The tile grout of claim 1, wherein the ratio of lecithin in the step (2): soybean lecithin or egg lecithin.
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| KR20010087882A (en) * | 2000-03-09 | 2001-09-26 | 임남웅 | Grout Composition Containing Fly Ash |
| CN101585979A (en) * | 2008-05-22 | 2009-11-25 | 中国科学院合肥物质科学研究院 | Nano-composite coating with low surface energy and preparation method thereof |
| CN102344271A (en) * | 2010-08-04 | 2012-02-08 | 胡舜钦 | Preparation method of flashing compound for tile |
| CN104962121A (en) * | 2015-07-01 | 2015-10-07 | 赵志海 | High-temperature-resistant and anticorrosive composite ceramic coating |
| CN107540312A (en) * | 2017-10-09 | 2018-01-05 | 常州建轩纺织品有限公司 | A kind of Foam cement insulation material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010087882A (en) * | 2000-03-09 | 2001-09-26 | 임남웅 | Grout Composition Containing Fly Ash |
| CN101585979A (en) * | 2008-05-22 | 2009-11-25 | 中国科学院合肥物质科学研究院 | Nano-composite coating with low surface energy and preparation method thereof |
| CN102344271A (en) * | 2010-08-04 | 2012-02-08 | 胡舜钦 | Preparation method of flashing compound for tile |
| CN104962121A (en) * | 2015-07-01 | 2015-10-07 | 赵志海 | High-temperature-resistant and anticorrosive composite ceramic coating |
| CN107540312A (en) * | 2017-10-09 | 2018-01-05 | 常州建轩纺织品有限公司 | A kind of Foam cement insulation material and preparation method thereof |
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