Waterproof coating for preventing ceramic tiles from falling off and preparation method thereof

Abstract

The present application relates to waterproof coating technical field, specifically to a kind of waterproof coating for preventing ceramic tile from falling off and preparation method thereof, and waterproof coating is made of component A and component B, and the mass ratio of component A and component B is (1.2~1.5):1;Component A includes the following weight parts raw materials: acrylic emulsion 35~40 parts, silicone emulsion 10~15 parts, silane coupling agent KH560 5~8 parts, functional additives 4~7 parts and water 10~15 parts.The waterproof coating of the present application is made of component A and component B, component A is made by acrylic emulsion, silicone emulsion cooperates silane coupling agent and functional additives, while adding both of stable anti-falling agent and filling agent, which are compatible and cooperate, and the product obtained can optimize the bonding strength of ceramic tile and base layer, and the water resistance, acid and alkali resistance and temperature change stability of coating are significantly improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of waterproof coating, in particular to waterproof coating for preventing ceramic tiles from falling off and a preparation method thereof. BACKGROUND

[0002] Waterproof construction of building engineering is a key process affecting the use of building functions, and improving and optimizing the waterproof construction method has become an important problem faced by the building industry at the present stage. In the ceramic tile paving of kitchens and bathrooms, the water permeability and water seepage of cement joints become more and more serious with the passage of time, leading to the falling off of ceramic tiles, so that waterproof coating is needed for waterproof treatment of ceramic tiles.

[0003] In the application of existing waterproof coating to ceramic tiles, the coating product is prepared by blending organic and inorganic raw materials, the interface between the raw materials is poor, which affects the bonding strength of the ceramic tile and the base layer, and the waterproof, acid and alkali resistance and temperature change stability of the coating are poor, further limiting the use efficiency of the product. Based on this, the application is further improved. SUMMARY

[0004] In view of the defects of the prior art, the purpose of the application is to provide waterproof coating for preventing ceramic tiles from falling off and a preparation method thereof, so as to solve the problems raised in the background art.

[0005] The technical problem solved by the application is solved by the following technical scheme:

[0006] The application provides waterproof coating for preventing ceramic tiles from falling off, which is composed of A component and B component, and the mass ratio of the A component and the B component is (1.2-1.5):1; the A component comprises the following raw materials in parts by weight:

[0007] 35-40 parts of acrylic emulsion, 10-15 parts of silicone emulsion, 5-8 parts of silane coupling agent KH560, 4-7 parts of functional additive and 10-15 parts of water;

[0008] The B component comprises the following raw materials in parts by weight:

[0009] 10-15 parts of quartz powder, 20-25 parts of portland cement, 5-8 parts of lithium slag powder and 4-7 parts of sodium acrylate.

[0010] Preferably, the solid content of the acrylic emulsion is 40-45%, the solid content of the silicone emulsion is 50-55%, the mass percentage content of silicon in the silicone emulsion is 15-20%, and the silicone emulsion is a cationic hydroxyl silicone oil emulsion;

[0011] The functional additive is prepared by mixing a defoaming agent and a dispersing agent in a weight ratio of 1:1; the defoaming agent is polysiloxane, and the dispersing agent is carboxymethyl cellulose.

[0012] Preferably, 8-12 parts of the anti-falling agent, 4-7 parts of the filling agent are further added in the B component;

[0013] The preparation method of the anti-falling agent is as follows:

[0014] S01: The nano-titanium dioxide is irradiated in a proton irradiation box, the irradiation power is 350-400 W, the irradiation time is 5-10 min, and then the preheating is performed at 60-65 °C for 20-30 min, and the pretreated nano-titanium dioxide is obtained;

[0015] S02: The pretreated nano-titanium dioxide is immersed in sufficient lanthanum chloride solution, and the nano-titanium dioxide modifier is obtained after the immersion;

[0016] S03: The nano-calcium carbonate is mixed and stirred in a sodium alginate solution with 3-5 times the total amount of the nano-calcium carbonate, and then 10-15% of the total amount of the nano-calcium carbonate is added into the solution as the nano-titanium dioxide modifier and 2-5% of the total amount of the nano-calcium carbonate is added into the solution as stearic acid, and then the mixture is stirred, washed, filtered and dried to obtain the nano-calcium carbonate complex nano-titanium dioxide agent;

[0017] S04: The nano-calcium carbonate complex nano-titanium dioxide agent and the anti-falling agent doped with calcined talc are mixed according to a weight ratio of 5:3, ball milled at a speed of 1000-1500 r / min for 1 h, and then washed, filtered and dried to obtain the anti-falling agent.

[0018] Preferably, the immersion ultrasonic power is 400-450 W, and the immersion time is 20-30 min;

[0019] The stirring speed in the mixing and stirring process in S03 is 500-550 r / min, and the stirring time is 25-35 min.

[0020] Preferably, the mass fraction of the lanthanum chloride solution is 2-5%, and the mass fraction of the sodium alginate solution is 4-6%.

[0021] Preferably, the preparation method of the anti-falling agent doped with calcined talc is as follows:

[0022] 5-8 parts of calcined talc, 1-3 parts of tetrabutyl titanate and 3-5 parts of a dopamine hydrochloride solution are uniformly mixed, and then 2-3 parts of kaolin and 1-3 parts of a sodium silicate solution are further mixed to obtain the anti-falling agent doped with calcined talc.

[0023] Preferably, the mass fraction of the sodium silicate solution is 2-5%, and the mass fraction of the dopamine hydrochloride solution is 5-8%.

[0024] Preferably, the preparation method of the filling agent is as follows:

[0025] S11: stirring uniformly nano-magnesium oxide, 2-5% mass fraction lanthanum nitrate solution and silane coupling agent KH550 according to weight ratio (3-5):(2-3):1, then suction filtration, drying, obtaining nano-magnesium oxide agent;

[0026] Heat treating nano-magnesium oxide agent at 110-120℃ for 5-10min, after treatment, air cooling to room temperature, obtaining modified nano-magnesium oxide agent;

[0027] S12: adding 2-5 parts barium nitrate, 1-3 parts modified nano-magnesium oxide agent into 5-8 parts 5-7% mass fraction sodium lignosulfonate solution, then adding 0.5-0.8 parts nano-silica sol, fully blending, obtaining filling effect liquid;

[0028] S13: stirring aluminum silicate fiber in sufficient acid solution, then washing, suction filtration, drying;

[0029] Blending 5-8 parts dried aluminum silicate fiber, 4-7 parts filling effect liquid, ball milling, ball milling speed 1500r / min, ball milling 2h, after ball milling, washing, suction filtration, drying, obtaining filling agent.

[0030] Preferably, the acid solution is 2-3% mass fraction sulfuric acid solution.

[0031] The application also provides a preparation method of waterproof coating for preventing ceramic tile from falling off, comprising the following steps:

[0032] Mixing raw materials in A component and B component sufficiently, obtaining A component and B component, then blending A component and B component sufficiently, obtaining the waterproof coating of the application.

[0033] Compared with prior art, the application has the following beneficial effects:

[0034] 1、The waterproof coating of the application is composed of A component and B component, A component is made by acrylic emulsion, silicone emulsion, silane coupling agent and functional additives, B component is made by quartz powder, silicate cement, lithium slag powder and other raw materials, the waterproof coating is made by blending and coordinating the two components, the product can optimize the bonding strength between ceramic tile and base layer, and the waterproof, acid and alkali resistance and temperature change resistance of the coating are significantly improved.

[0035] 2. The anti-detachment and anti-stabilizing agent is obtained by irradiating nano-titanium dioxide in a proton irradiation chamber to optimize its activity. After preheating and further improvement, it is fully immersed in lanthanum chloride solution to obtain lanthanum-doped nano-titanium dioxide. The anti-detachment agent is then mixed with nano-calcium carbonate, sodium alginate solution, nano-titanium dioxide modifier and stearic acid. Through the coordination and synergy of the raw materials, the anti-stabilizing agent doped with calcined talc and the nano-calcium carbonate compound nano-titanium dioxide agent can be better coordinated and synergistic. The anti-stabilizing agent doped with calcined talc is further coordinated with tetrabutyl titanate, dopamine hydrochloride solution, kaolin and sodium silicate solution through the mutual assistance of raw materials, thereby enhancing the performance stability of the coating system.

[0036] 3. The filler is formulated by blending nano-magnesium oxide, lanthanum nitrate solution, and silane coupling agent KH550. After reheating, it is further blended with barium nitrate, sodium lignosulfonate solution (5-7% by mass), and nano-silica sol to obtain a filler solution. The filler solution improves the acid-treated aluminosilicate fibers. The fiber structure of the aluminosilicate fibers, combined with the filler solution, enhances the synergistic effect between the raw materials. This results in a stronger synergistic effect between the filler and the anti-shedding and anti-stabilizing agent, thereby further improving the product's performance. Detailed Implementation

[0037] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to specific examples. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0038] This embodiment provides a waterproof coating to prevent tile detachment. The waterproof coating consists of component A and component B, with a mass ratio of component A to component B of (1.2-1.5):1. Component A comprises the following raw materials in parts by weight:

[0039] Acrylic emulsion 35-40 parts, silicone emulsion 10-15 parts, silane coupling agent KH560 5-8 parts, functional additives 4-7 parts and water 10-15 parts;

[0040] Component B comprises the following raw materials in parts by weight:

[0041] 10-15 parts quartz powder, 20-25 parts silicate cement, 5-8 parts lithium slag powder, and 4-7 parts sodium acrylate.

[0042] Preferably, the solid content of the acrylic emulsion is 40-45%; the solid content of the silicone emulsion is 50-55%; the mass percentage of silicon in the silicone emulsion is 15-20%; the silicone emulsion is a cationic hydroxyl silicone oil emulsion;

[0043] The functional additive is a defoaming agent and a dispersing agent prepared according to a weight ratio of 1:1; wherein the defoaming agent is polysiloxane, and the dispersing agent is carboxymethyl cellulose.

[0044] 8-12 parts of a stable anti-falling agent and 4-7 parts of a filling agent are further added to the B component of the embodiment;

[0045] The preparation method of the stable anti-falling agent is as follows:

[0046] S01: irradiate the nano-titanium dioxide in a proton irradiation box, the irradiation power is 350-400 W, the irradiation time is 5-10 min, after the irradiation, preheat at 60-65℃ for 20-30 min, and obtain the pretreated nano-titanium dioxide;

[0047] S02: immerse the pretreated nano-titanium dioxide into sufficient lanthanum chloride solution, and obtain the nano-titanium dioxide modifier after sufficient immersion;

[0048] S03: blend and stir the nano-calcium carbonate in a sodium alginate solution with 3-5 times the total amount of the nano-calcium carbonate, then add 10-15% of the total amount of the nano-calcium carbonate as the nano-titanium dioxide modifier and 2-5% of the total amount of the nano-calcium carbonate as stearic acid, and obtain the nano-calcium carbonate complex nano-titanium dioxide agent after the stirring, washing, filtration and drying;

[0049] S04: mix and ball mill the nano-calcium carbonate complex nano-titanium dioxide agent and the stable agent doped with calcined talc according to a weight ratio of 5:3, the ball milling speed is 1000-1500 r / min, the ball milling time is 1 h, and obtain the stable anti-falling agent after the ball milling, washing, filtration and drying.

[0050] Preferably, the immersion ultrasonic power during the sufficient immersion is 400-450 W, and the immersion time is 20-30 min;

[0051] The stirring speed during the blending and stirring in S03 is 500-550 r / min, and the stirring time is 25-35 min.

[0052] The mass fraction of the lanthanum chloride solution in the embodiment is 2-5%, and the mass fraction of the sodium alginate solution is 4-6%.

[0053] The preparation method of the stable agent doped with calcined talc in the embodiment is as follows:

[0054] 5-8 parts of calcined talc, 1-3 parts of tetrabutyl titanate and 3-5 parts of dopamine hydrochloride solution are uniformly blended, then 2-3 parts of kaolin and 1-3 parts of sodium silicate solution are uniformly blended to obtain the doped calcined talc resistant stabilizer.

[0055] The mass fraction of the sodium silicate solution in the embodiment is 2-5%; the mass fraction of the dopamine hydrochloride solution is 5-8%.

[0056] The preparation method of the filling agent in the embodiment is as follows:

[0057] S11: uniformly stir nano-magnesium oxide, a lanthanum nitrate solution with a mass fraction of 2-5% and silane coupling agent KH550 according to a weight ratio of (3-5):(2-3):1, then perform suction filtration and drying to obtain a nano-magnesium oxide agent;

[0058] The nano-magnesium oxide agent is heat-treated at 110-120℃ for 5-10 min, and after the treatment, air cooling is performed to room temperature to obtain a modified nano-magnesium oxide agent;

[0059] S12: 2-5 parts of barium nitrate and 1-3 parts of the modified nano-magnesium oxide agent are added to 5-8 parts of a sodium lignosulfonate solution with a mass fraction of 5-7%, then 0.5-0.8 parts of nano-silica sol is added and uniformly blended to obtain a filling liquid;

[0060] S13: aluminum silicate fibers are uniformly stirred in a sufficient amount of an acid solution, then water washing, suction filtration and drying are performed.

[0061] 5-8 parts of dried aluminum silicate fibers and 4-7 parts of the filling liquid are ball-milled, the ball-milling speed is 1500 r / min, the ball-milling time is 2 h, after the ball-milling, water washing, suction filtration and drying are performed to obtain the filling agent.

[0062] The acid solution in the embodiment is a sulfuric acid solution with a mass fraction of 2-3%.

[0063] The preparation method of the waterproof coating for preventing the ceramic tiles from falling off in the embodiment comprises the following steps:

[0064] The raw materials in the A component and the B component are uniformly mixed to obtain the A component and the B component, then the A component and the B component are uniformly blended to obtain the waterproof coating of the present application.

[0065] Embodiment 1.

[0066] The waterproof coating for preventing the ceramic tiles from falling off in the embodiment is composed of the A component and the B component, and the mass ratio of the A component to the B component is 1.2:1; the A component comprises the following raw materials in parts by weight:

[0067] 35 parts of an acrylic emulsion, 10 parts of a silicone emulsion, 5 parts of silane coupling agent KH560, 4 parts of a functional additive and 10 parts of water.

[0068] The B component includes the following raw materials by weight:

[0069] 10 parts of quartz powder, 20 parts of silicate cement, 5 parts of lithium slag powder, and 4 parts of sodium acrylate.

[0070] The solid content of the acrylic emulsion is 40%; the solid content of the silicone emulsion is 50%; the mass percentage of silicon in the silicone emulsion is 15%; the silicone emulsion is a cationic hydroxyl silicone oil emulsion;

[0071] The functional additive is a defoaming agent and a dispersing agent prepared according to a weight ratio of 1:1; the defoaming agent is polysiloxane, and the dispersing agent is carboxymethyl cellulose.

[0072] 8 parts of a stable anti-falling agent and 4 parts of a filling agent are further added to the B component of the embodiment;

[0073] The preparation method of the stable anti-falling agent is as follows:

[0074] S01: The nano-titanium dioxide is irradiated in a proton irradiation box, the irradiation power is 350 W, the irradiation time is 5 min, and after the irradiation is completed, the preheating is performed at 60°C for 20 min, and the pretreated nano-titanium dioxide is obtained;

[0075] S02: The pretreated nano-titanium dioxide is immersed in sufficient lanthanum chloride solution, and the nano-titanium dioxide modifier is obtained after the immersion is completed;

[0076] S03: The nano-calcium carbonate is mixed and stirred in a sodium alginate solution with a total amount of 3 times that of the nano-calcium carbonate, and then 10% of the total amount of the nano-calcium carbonate is added into the solution as the nano-titanium dioxide modifier and 2% of the total amount of the nano-calcium carbonate is added into the solution as stearic acid, and then the mixture is stirred, washed with water, filtered, and dried to obtain the nano-calcium carbonate complex nano-titanium dioxide agent;

[0077] S04: The nano-calcium carbonate complex nano-titanium dioxide agent and the stable agent doped with calcined talc are mixed according to a weight ratio of 5:3, ball milled, and then washed with water, filtered, and dried to obtain the stable anti-falling agent.

[0078] Preferably, the immersion ultrasonic power is 400 W, and the immersion time is 20 min;

[0079] The stirring speed in the mixing and stirring process in S03 is 500 r / min, and the stirring time is 25 min.

[0080] The mass fraction of the lanthanum chloride solution in the embodiment is 2%, and the mass fraction of the sodium alginate solution is 4%.

[0081] The preparation method of the burn talc doped stabilizer of the embodiment is as follows:

[0082] 5 parts of burn talc, 1 part of tetrabutyl titanate and 3 parts of dopamine hydrochloride solution are uniformly blended, and then 2 parts of kaolin and 1 part of sodium silicate solution are uniformly blended to obtain the burn talc doped stabilizer.

[0083] The mass fraction of the sodium silicate solution of the embodiment is 2%; and the mass fraction of the dopamine hydrochloride solution is 5%.

[0084] The preparation method of the filling agent of the embodiment is as follows:

[0085] S11: The nano magnesium oxide, a lanthanum nitrate solution with a mass fraction of 2% and a silane coupling agent KH550 are uniformly stirred according to a weight ratio of 3:2:1, and then are subjected to suction filtration and drying to obtain a nano magnesium oxide agent;

[0086] The nano magnesium oxide agent is subjected to heat treatment at 110°C for 5 min, and after the treatment, is air-cooled to room temperature to obtain a modified nano magnesium oxide agent;

[0087] S12: 2 parts of barium nitrate and 1 part of the modified nano magnesium oxide agent are added into 5 parts of a sodium lignosulfonate solution with a mass fraction of 5%, and then 0.5 part of a nano silicon sol is added and uniformly blended to obtain a filling liquid;

[0088] S13: The aluminum silicate fibers are uniformly stirred in a sufficient amount of an acid solution, and then are subjected to water washing, suction filtration and drying;

[0089] 5 parts of the dried aluminum silicate fibers and 4 parts of the filling liquid are subjected to ball milling treatment, the ball milling speed is 1500 r / min, the ball milling time is 2 h, and after the ball milling, the mixture is subjected to water washing, suction filtration and drying to obtain the filling agent.

[0090] The acid solution of the embodiment is a sulfuric acid solution with a mass fraction of 2%.

[0091] The preparation method of the waterproof coating for preventing the ceramic tiles from falling off of the embodiment comprises the following steps:

[0092] The raw materials in the A component and the B component are uniformly mixed to obtain the A component and the B component, and then the A component and the B component are uniformly blended to obtain the waterproof coating of the embodiment.

[0093] Embodiment 2.

[0094] The waterproof coating for preventing the ceramic tiles from falling off of the embodiment is composed of the A component and the B component, and the mass ratio of the A component to the B component is 1.5:1; the A component comprises the following raw materials in parts by weight:

[0095] acrylic emulsion 40 parts, silicone emulsion 15 parts, silane coupling agent KH560 8 parts, functional additive 7 parts and water 15 parts;

[0096] The B component includes the following raw materials by weight:

[0097] Quartz powder 15 parts, Portland cement 25 parts, lithium slag powder 8 parts, sodium acrylate 7 parts.

[0098] The solid content of the acrylic emulsion is 45%; the solid content of the silicone emulsion is 55%; the mass percentage of silicon in the silicone emulsion is 20%; the silicone emulsion is a cationic hydroxyl silicone oil emulsion;

[0099] The functional additive is a defoaming agent and a dispersing agent prepared according to a weight ratio of 1:1; wherein the defoaming agent is polysiloxane, and the dispersing agent is carboxymethyl cellulose.

[0100] In the B component of the embodiment, 12 parts of a stable anti-falling agent and 7 parts of a filling agent are further added;

[0101] The preparation method of the stable anti-falling agent is as follows:

[0102] S01: The nano-titanium dioxide is irradiated in a proton irradiation box, the irradiation power is 400W, the irradiation time is 10min, and after the irradiation is completed, the preheating is performed at 65℃ for 30min, and the pretreated nano-titanium dioxide is obtained;

[0103] S02: The pretreated nano-titanium dioxide is immersed in sufficient lanthanum chloride solution, and the immersion is completed to obtain a nano-titanium dioxide modifier;

[0104] S03: The nano-calcium carbonate is mixed and stirred in a sodium alginate solution with a total amount of 5 times that of the nano-calcium carbonate, and then 15% of the total amount of the nano-calcium carbonate is added into the solution as the nano-titanium dioxide modifier and 5% of the total amount of the nano-calcium carbonate is added into the solution as stearic acid, and then the mixture is stirred, washed with water, filtered and dried to obtain a nano-calcium carbonate complex nano-titanium dioxide agent;

[0105] S04: The nano-calcium carbonate complex nano-titanium dioxide agent and the stable agent doped with calcined talc are mixed according to a weight ratio of 5:3, ball milled, washed with water, filtered and dried to obtain a stable anti-falling agent.

[0106] The immersion ultrasonic power is 450W, and the immersion time is 30min;

[0107] The stirring speed in the mixing and stirring process in S03 is 550r / min, and the stirring time is 35min.

[0108] The mass fraction of the lanthanum chloride solution in the embodiment is 5%, and the mass fraction of the sodium alginate solution is 6%.

[0109] The preparation method of the burn talc doped stabilizing agent of the embodiment is as follows:

[0110] 8 parts of burn talc, 3 parts of tetrabutyl titanate and 5 parts of dopamine hydrochloride solution are uniformly blended, and then 3 parts of kaolin and 3 parts of sodium silicate solution are uniformly blended to obtain the burn talc doped stabilizing agent.

[0111] The mass fraction of the sodium silicate solution of the embodiment is 5%; and the mass fraction of the dopamine hydrochloride solution is 8%.

[0112] The preparation method of the filling agent of the embodiment is as follows:

[0113] S11: The nano magnesium oxide, the lanthanum nitrate solution with a mass fraction of 5% and the silane coupling agent KH550 are uniformly stirred according to a weight ratio of 5:3:1, and then are subjected to suction filtration and drying to obtain the nano magnesium oxide agent;

[0114] The nano magnesium oxide agent is subjected to heat treatment at 120℃ for 10 min, and after the treatment, is air-cooled to room temperature to obtain the modified nano magnesium oxide agent;

[0115] S12: 5 parts of barium nitrate and 3 parts of the modified nano magnesium oxide agent are added into 8 parts of a lignosulfonate sodium solution with a mass fraction of 7%, and then 0.8 parts of nano silicon sol is added and uniformly blended to obtain the filling liquid;

[0116] S13: The aluminum silicate fiber is sufficiently stirred in a sufficient amount of acid solution, and then is subjected to water washing, suction filtration and drying;

[0117] 8 parts of the dried aluminum silicate fiber and 7 parts of the filling liquid are subjected to ball milling treatment, the ball milling speed is 1500 r / min, the ball milling time is 2 h, and after the ball milling, the mixture is subjected to water washing, suction filtration and drying to obtain the filling agent.

[0118] The acid solution of the embodiment is a sulfuric acid solution with a mass fraction of 3%.

[0119] The preparation method of the waterproof coating for preventing the ceramic tiles from falling off of the embodiment comprises the following steps:

[0120] The raw materials in the A component and the B component are uniformly mixed to obtain the A component and the B component, and then the A component and the B component are uniformly blended to obtain the waterproof coating of the embodiment.

[0121] Embodiment 3.

[0122] The waterproof coating for preventing the ceramic tiles from falling off of the embodiment is composed of the A component and the B component, the mass ratio of the A component to the B component is 1.35:1, and the A component comprises the following raw materials in parts by weight:

[0123] acrylic emulsion 37.5 parts, silicone emulsion 12.5 parts, silane coupling agent KH560 6.5 parts, functional additive 5.5 parts and water 12.5 parts;

[0124] The B component comprises the following raw materials by weight:

[0125] Quartz powder 12.5 parts, Portland cement 22.5 parts, lithium slag powder 6.5 parts, sodium acrylate 5.5 parts.

[0126] The solid content of the acrylic emulsion is 42.5%; the solid content of the silicone emulsion is 52.5%; the mass percentage of silicon in the silicone emulsion is 17.5%; the silicone emulsion is a cationic hydroxyl silicone oil emulsion;

[0127] The functional additive is a defoaming agent and a dispersant prepared according to a weight ratio of 1:1; wherein the defoaming agent is polysiloxane, and the dispersant is carboxymethyl cellulose.

[0128] In the B component of the embodiment, 10 parts of a stable anti-falling agent and 5.5 parts of a filling agent are further added.

[0129] The preparation method of the stable anti-falling agent is as follows:

[0130] S01: The nano-titanium dioxide is irradiated in a proton irradiation box, the irradiation power is 375W, the irradiation time is 7.5min, and after the irradiation is completed, the preheating is performed at 62.5℃ for 25min, and the pretreated nano-titanium dioxide is obtained;

[0131] S02: The pretreated nano-titanium dioxide is immersed in sufficient lanthanum chloride solution, and the nano-titanium dioxide modifier is obtained after the immersion is completed;

[0132] S03: The nano-calcium carbonate is blended and stirred in a sodium alginate solution with a concentration of 4 times the total amount of the nano-calcium carbonate, and then 12.5% of the total amount of the nano-calcium carbonate of the nano-titanium dioxide modifier and 3.5% of the total amount of the nano-calcium carbonate of stearic acid are added and blended and stirred, and after the stirring is completed, the nano-calcium carbonate is washed, filtered and dried to obtain the nano-calcium carbonate complex nano-titanium dioxide agent;

[0133] S04: The nano-calcium carbonate complex nano-titanium dioxide agent and the stable agent doped with calcined talc are mixed according to a weight ratio of 5:3, ball milled, the ball milling speed is 1250r / min, the ball milling time is 1h, and after the ball milling is completed, the stable anti-falling agent is obtained by washing, filtering and drying.

[0134] The immersion ultrasonic power is 425W, and the immersion time is 25min;

[0135] The stirring speed in the blending and stirring process in S03 is 520r / min, and the stirring time is 30min.

[0136] The lanthanum chloride solution of the embodiment has a mass fraction of 3.5%; the sodium alginate solution has a mass fraction of 5%.

[0137] The preparation method of the burn talc doped stabilizing agent of the embodiment is as follows:

[0138] The 6.5 parts of burn talc, 2 parts of tetrabutyl titanate and 4 parts of dopamine hydrochloride solution are uniformly blended, and then 2.5 parts of kaolin and 2 parts of sodium silicate solution are uniformly blended to obtain the burn talc doped stabilizing agent.

[0139] The sodium silicate solution of the embodiment has a mass fraction of 3.5%; the dopamine hydrochloride solution has a mass fraction of 6.5%.

[0140] The preparation method of the fill efficiency agent of the embodiment is as follows:

[0141] S11: The nano magnesium oxide, lanthanum nitrate solution with a mass fraction of 3.5% and silane coupling agent KH550 are uniformly stirred according to a weight ratio of 4:2.5:1, and then are subjected to suction filtration and drying to obtain a nano magnesium oxide agent;

[0142] The nano magnesium oxide agent is subjected to heat treatment at 115°C for 7.5 min, and after the treatment, is air-cooled to room temperature to obtain a modified nano magnesium oxide agent;

[0143] S12: 3.5 parts of barium nitrate and 2 parts of the modified nano magnesium oxide agent are added to 6.5 parts of a lignosulfonate sodium solution with a mass fraction of 6%, and then 0.65 parts of nano silicon sol is uniformly blended to obtain a fill efficiency liquid;

[0144] S13: The aluminum silicate fiber is uniformly stirred in a sufficient amount of acid solution, and then is subjected to water washing, suction filtration and drying;

[0145] The 6.5 parts of dried aluminum silicate fiber and 5.5 parts of the fill efficiency liquid are subjected to ball milling treatment, the ball milling speed is 1500 r / min, the ball milling time is 2 h, and after the ball milling, the mixture is subjected to water washing, suction filtration and drying to obtain a fill efficiency agent.

[0146] The acid solution of the embodiment is a sulfuric acid solution with a mass fraction of 2.5%.

[0147] The preparation method of the waterproof coating for preventing ceramic tiles from falling off in the embodiment comprises the following steps:

[0148] The raw materials in the A component and the B component are uniformly mixed to obtain the A component and the B component, and then the A component and the B component are uniformly blended to obtain the waterproof coating of the embodiment.

[0149] Comparative Example 1.

[0150] Different from the embodiment 3 is that no stabilizing and falling-off preventing agent is added.

[0151] Comparative Example 2.

[0152] The difference between Example 3 is that the nano-titanium dioxide modifier is not added in the preparation of the anti-falling agent.

[0153] Comparative Example 3.

[0154] The difference between Example 3 is that the nano-titanium dioxide modifier is directly replaced by nano-titanium dioxide raw material.

[0155] Comparative Example 4.

[0156] The difference between Example 3 is that the preparation method of the nano-calcium carbonate complex nano-titanium dioxide agent is different:

[0157] The nano-titanium dioxide is irradiated in a proton irradiation box, the irradiation power is 375W, the irradiation time is 7.5min, after the irradiation is completed, the nano-titanium dioxide is preheated at 62.5℃ for 25min, and the preheating is obtained.

[0158] S02: The pre-processed nano-titanium dioxide is immersed in a sufficient amount of lanthanum chloride solution, and the immersion is sufficient, and the nano-titanium dioxide modifier is obtained.

[0159] S03: The nano-titanium dioxide modifier is mixed and stirred in a sodium alginate solution with a total amount of 4 times the nano-titanium dioxide modifier, and then 3.5% of the total amount of nano-titanium dioxide modifier is added. Stearic acid is mixed and stirred, and after stirring, water washing, suction filtration and drying, the nano-titanium dioxide agent is obtained, the stirring speed of the mixing and stirring treatment is 520r / min, and the stirring time is 30min; The immersion ultrasonic power is 425W, and the immersion time is 25min.

[0160] Comparative Example 5.

[0161] The difference between Example 3 is that the anti-falling agent is not added in the preparation of the anti-falling agent.

[0162] Comparative Example 6.

[0163] The difference between Example 3 is that the filler is not added.

[0164] Comparative Example 7.

[0165] The difference between Example 3 is that the filler is not used in the preparation of the filler.

[0166] Comparative Example 8.

[0167] The difference between Example 3 is that the modified nano-magnesium oxide agent is not added in the filler liquid.

[0168] Comparative Example 9.

[0169] The difference between Example 3 is that the preparation method of the modified nano-magnesium oxide agent is different:

[0170] The nano-magnesium oxide, water and silane coupling agent KH550 are stirred uniformly according to the weight ratio of 4:2.5:1, and then are suction filtered and dried to obtain the nano-magnesium oxide agent.

[0171] Comparative Example 10.

[0172] The difference between Example 3 is that the barium nitrate and nano-silica sol are not added in the filling agent.

[0173] Comparative Example 11.

[0174] The difference between Example 3 is that the dry aluminum silicate fiber is not added in the preparation of the filling agent.

[0175] The waterproof coating of the present application is coated on the cement base layer with a coating thickness of 1 mm, and then the C2 type ceramic tile glue is applied on the ceramic tile, and the ceramic tile is bonded and adhered to the cement base layer.

[0176] The ceramic tile and the cement base layer are immersed in water for 48 h, the water temperature is controlled at 50℃ and 65℃ respectively, and the product is first treated with 2% hydrochloric acid mist for 12 h, and then placed in 5% sodium chloride salt mist for 24 h, to test the acid and alkali stability of the product, and the product is placed at-5℃ for 12 h, and then heated to 70℃ at a rate of 2℃ / min for 12 h, to test the temperature change stability of the product; the test results are as follows:

[0177]

[0178]

[0179] From Comparative Examples 1-11 and Examples 1-3, it can be seen that:

[0180] The product of Example 3 has excellent bonding performance stability, and the product has remarkable performance stability effect under the conditions of acid and alkali, temperature change and water immersion, and the product still has excellent bonding performance stability under the conditions of water immersion at different temperatures;

[0181] From Comparative Examples 1-11 and Example 3, it can be seen that the product performance has a significant deterioration trend without adding the anti-stability and anti-falling agent and without adding one of the filling agents, and the product has remarkable performance effect by using the two agents in combination.

[0182] The performance of the product has a deteriorating trend in varying degrees, the performance of the product is most obvious when the anti-stable and anti-falling agent is prepared by the specific method, and the influence trend is the largest when the anti-stable and anti-falling agent is prepared without adding the anti-stable agent doped with calcined talc;

[0183] The performance of the product has a deteriorating trend in varying degrees, the performance of the product is most obvious when the anti-stable and anti-falling agent is prepared by the specific method, and the influence trend is the largest when the anti-stable and anti-falling agent is prepared without adding the anti-stable agent doped with calcined talc;

[0184] The performance of the product has a deteriorating trend in varying degrees, the performance of the product is most obvious when the anti-stable and anti-falling agent is prepared by the specific method, and the influence trend is the largest when the anti-stable and anti-falling agent is prepared without adding the anti-stable agent doped with calcined talc;

[0185] The preparation method of the anti-stable agent doped with calcined talc is as follows:

[0186] The anti-stable agent doped with calcined talc is obtained by uniformly blending 6.5 parts of calcined talc, 2 parts of tetrabutyl titanate and 4 parts of a dopamine hydrochloride solution, and then adding 2.5 parts of kaolin and 2 parts of a sodium silicate solution.

[0187] The mass fraction of the sodium silicate solution in the embodiment is 3.5%; and the mass fraction of the dopamine hydrochloride solution is 6.5%.

[0188] Experimental Example 1.

[0189] The only difference between the embodiment 3 and the experimental example 1 is that the anti-stable agent doped with calcined talc is not added in the preparation of the anti-stable and anti-falling agent.

[0190] Experimental Example 2.

[0191] The only difference between the embodiment 3 and the experimental example 2 is that the kaolin is not added in the preparation of the anti-stable agent doped with calcined talc.

[0192] Experimental Example 3.

[0193] The only difference between the embodiment 3 and the experimental example 3 is that the sodium silicate solution is not added in the preparation of the anti-stable agent doped with calcined talc.

[0194] Experimental Example 4.

[0195] The only difference between Example 3 and this example is that no dopamine hydrochloride solution is added in the preparation of the burn talc-doped stabilizer.

[0196] Experimental Example 5.

[0197] The only difference between Example 3 and this example is that no tetrabutyl titanate is added in the preparation of the burn talc-doped stabilizer.

[0198] The product performance test results of Experimental Examples 1-5 are as follows:

[0199]

[0200] From Experimental Examples 1-5, it can be seen that when no burn talc is added in the preparation of the burn talc-doped stabilizer, the product performance has a greater deteriorating trend, and when no kaolin is added, the product performance deteriorates more obviously, and when no sodium silicate solution is added in the preparation of the burn talc-doped stabilizer, no dopamine hydrochloride solution is added in the preparation of the burn talc-doped stabilizer, and no tetrabutyl titanate is added in the preparation of the burn talc-doped stabilizer, the product performance has a deteriorating trend to varying degrees. Only the burn talc-doped stabilizer prepared by the specific method of the present application has the most significant product performance effect, and other methods cannot achieve the effect as obvious as the present application.

[0201] It will be apparent to those skilled in the art that the application is not limited to the details of the foregoing exemplary embodiments, and that the present application can be implemented in other particular forms without departing from the spirit or essential characteristics of the present application. Thus, the embodiments should be considered in all respects as illustrative and not restrictive, and the scope of the application should be determined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are intended to be embraced therein.

[0202] Furthermore, it should be understood that although the present specification is described in terms of embodiments, not every implementation embodies an independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A waterproof coating to prevent tiles from falling off, characterized in that, The waterproof coating consists of component A and component B, with a mass ratio of component A to component B of (1.2~1.5):

1. Component A includes the following raw materials by weight: Acrylic emulsion 35-40 parts, silicone emulsion 10-15 parts, silane coupling agent KH560 5-8 parts, functional additives 4-7 parts and water 10-15 parts; Component B comprises the following raw materials in parts by weight: 10-15 parts quartz powder, 20-25 parts silicate cement, 5-8 parts lithium slag powder and 4-7 parts sodium acrylate; The B component also contains 8-12 parts of a stability and anti-shedding agent and 4-7 parts of a filler agent; The preparation method of the anti-shedding and anti-stabilizing agent is as follows: S01: The nano-titanium dioxide was irradiated in a proton irradiation chamber with an irradiation power of 350~400W for 5~10min. After irradiation, it was preheated at 60~65℃ for 20~30min and kept at the temperature to obtain pretreated nano-titanium dioxide. S02: The pretreated nano-titanium dioxide is immersed in a sufficient amount of lanthanum chloride solution until the immersion is complete, and the nano-titanium dioxide modifier is obtained. S03: Place nano-calcium carbonate in a sodium alginate solution with a total amount of 3 to 5 times that of nano-calcium carbonate, then add 10 to 15% of nano-titanium dioxide modifier and 2 to 5% of stearic acid to the total amount of nano-calcium carbonate and stir. After stirring, wash with water, filter and dry to obtain nano-calcium carbonate compound nano-titanium dioxide agent. S04: Then, the nano-calcium carbonate compound nano-titanium dioxide agent and the stabilizer doped with calcined talc are mixed at a weight ratio of 5:3 and ball-milled. The ball milling speed is 1000~1500r / min and the ball milling time is 1h. After the ball milling is completed, the mixture is washed with water, filtered and dried to obtain the stabilizer and anti-detachment agent. The preparation method of the filler is as follows: S11: Mix nano-magnesium oxide, 2-5% lanthanum nitrate solution and silane coupling agent KH550 in a weight ratio of (3-5):(2-3):1, then filter and dry to obtain nano-magnesium oxide agent; The nano-magnesium oxide agent was heat-treated at 110~120℃ for 5~10 min. After the treatment was completed, it was air-cooled to room temperature to obtain the modified nano-magnesium oxide agent. S12: Add 2-5 parts of barium nitrate and 1-3 parts of modified nano magnesium oxide agent to 5-8 parts of sodium lignosulfonate solution with a mass fraction of 5-7%, and then add 0.5-0.8 parts of nano silica sol and mix thoroughly to obtain the filling solution; S13: Stir the aluminum silicate fiber thoroughly in a sufficient amount of acid solution, then wash with water, filter, and dry. 5-8 parts of dried aluminosilicate fiber and 4-7 parts of filler solution were mixed and ball-milled at a speed of 1500 r / min for 2 hours. After ball milling, the mixture was washed with water, filtered, and dried to obtain the filler. The method for preparing the stabilizer doped with calcined talc is as follows: Mix 5-8 parts of calcined talc, 1-3 parts of tetrabutyl titanate and 3-5 parts of dopamine hydrochloride solution evenly, then add 2-3 parts of kaolin and 1-3 parts of sodium silicate solution and mix thoroughly to obtain a stabilizer doped with calcined talc.

2. The waterproof coating for preventing tile detachment according to claim 1, characterized in that, The acrylic emulsion has a solid content of 40-45%; the silicone emulsion has a solid content of 50-55%; the silicone emulsion has a silicon mass percentage of 15-20%; and the silicone emulsion is a cationic hydroxyl silicone oil emulsion. The functional additive is a mixture of defoamer and dispersant in a weight ratio of 1:1; wherein the defoamer is polysiloxane and the dispersant is carboxymethyl cellulose.

3. The waterproof coating for preventing tile detachment according to claim 1, characterized in that, The immersion ultrasonic power for sufficient immersion is 400~450W, and the immersion time is 20~30min; The mixing speed for S03 co-mixing treatment is 500~550 r / min, and the mixing time is 25~35 min.

4. The waterproof coating for preventing tile detachment according to claim 1, characterized in that, The lanthanum chloride solution has a mass fraction of 2-5%; the sodium alginate solution has a mass fraction of 4-6%.

5. A waterproof coating for preventing tile detachment according to claim 4, characterized in that, The sodium silicate solution has a mass fraction of 2-5%; the dopamine hydrochloride solution has a mass fraction of 5-8%.

6. The waterproof coating for preventing tile detachment according to claim 1, characterized in that, The acid solution is a sulfuric acid solution with a mass fraction of 2-3%.

7. A method for preparing a waterproof coating for preventing tile detachment as described in any one of claims 1 to 6, characterized in that, Includes the following steps: The raw materials in component A and component B are mixed thoroughly to obtain component A and component B. Then, component A and component B are blended thoroughly to obtain a waterproof coating.

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