CN116179009A - Paraffin oil modifier and preparation method thereof, waterproof coating containing paraffin oil modifier and preparation method of waterproof coating - Google Patents
Paraffin oil modifier and preparation method thereof, waterproof coating containing paraffin oil modifier and preparation method of waterproof coating Download PDFInfo
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- CN116179009A CN116179009A CN202211707861.4A CN202211707861A CN116179009A CN 116179009 A CN116179009 A CN 116179009A CN 202211707861 A CN202211707861 A CN 202211707861A CN 116179009 A CN116179009 A CN 116179009A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
- C09D123/02—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D123/04—Homopolymers or copolymers of ethene
- C09D123/08—Copolymers of ethene
- C09D123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C09D123/0853—Vinylacetate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
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- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The invention provides a paraffin oil modifier and a preparation method thereof, and a waterproof coating containing the paraffin oil modifier and a preparation method thereof. The paraffin oil modifier is prepared by deacidifying chlorinated paraffin under the action of illumination and a catalyst. The paraffin oil modifier is added into the paint formula, so that the strength and the extensibility of the paint product can meet the requirements of industry standards. The waterproof coating has the advantages that the untreated breaking elongation is more than or equal to 110%, the untreated tensile bonding strength is more than or equal to 1.9MPa, the untreated bonding strength is more than or equal to 1.0MPa, the heat treatment breaking elongation is more than or equal to 95%, and the heat treatment tensile bonding strength is more than or equal to 102MPa.
Description
Technical Field
The invention relates to the field of waterproof coatings, in particular to a paraffin oil modifier and a preparation method thereof, and a waterproof coating containing the paraffin oil modifier and the preparation method thereof.
Background
In general, plasticizers are used as raw materials for various products including electric wires, pipes, paints, flooring materials, wallpaper, sheets, artificial leather, tarpaulins, tapes and food packaging materials, and are compounds or mixtures of compounds added to polymer resins to impart softness and flexibility. For example, the addition of plasticizers to the waterproof coating may achieve the following effects: lowering the melting temperature or melt viscosity of the resin to make it easy to form and process; the softening temperature of the resin is lowered, and the resin is made flexible in a use temperature range, and various properties such as elasticity and adhesiveness are imparted to the resin. In the prior art, phthalate plasticizers are mostly adopted, the plasticizing effect is single, and the problem that the strength of products is easily unqualified along with the coming of high-temperature weather in summer is solved. Therefore, in recent years, in plasticizer market place, due to the disadvantages of plasticizing efficiency and migration performance of phthalate plasticizers, it is required to develop a novel plasticizing system to reduce production costs and to secure stability of product quality.
Chlorinated paraffin is a chlorinated derivative of paraffin hydrocarbon, has the advantages of low volatility, flame retardance, good electrical insulation property, low cost and the like, and is widely applied to the industrial fields of plastics, rubber, fibers and the like as a plasticizer and a flame retardant.
For example CN114874634 discloses a complex plasticizer consisting of di (2-ethylhexyl) phthalate and chlorinated paraffin, which is one of short carbon chain chlorinated paraffin, medium carbon chain chlorinated paraffin and long carbon chain chlorinated paraffin.
For example, CN109749465a discloses a preparation method of a novel plasticizer, and the preparation raw materials comprise 4-6 parts by weight of chlorinated paraffin, 2-4 parts by weight of fatty acid methyl ester and 1-3 parts by weight of epoxidized soybean oil. The method adopts a brand-new manufacturing process of the chlorinated paraffin, so that the chlorinated paraffin is manufactured more simply and conveniently, the control of reaction regulation is more accurate and reasonable, the chlorinated paraffin can be produced in large scale, hydrochloric acid generated in the manufacturing process of the chlorinated paraffin is effectively recycled, and pollution is prevented.
However, the conventional chlorinated paraffin has defects as a plasticizer, and on one hand, the chlorinated paraffin has high color number and is dark yellow, and after the chlorinated paraffin is added into white liquid material, the appearance is seriously affected; moreover, the density of the chlorinated paraffin reaches 1.28g/ml, and the density of the water and the emulsion is 1.0g/ml, so that the sedimentation and delamination of the paint product are aggravated; the plasticizing effect of chlorinated paraffin is not high, and the elongation at break of the product does not reach the standard. On the other hand, the conventional preparation method of chlorinated paraffin is to synthesize paraffin oil, liquid paraffin, chlorine and the like by adopting a conventional thermal chlorination method and a photochlorination method, but the thermal chlorination method is extremely unstable and the appearance and chlorine content are not well controlled.
Therefore, in view of the drawbacks of the prior art that chlorinated paraffin plasticizers as single plasticizers affect product performance; the novel paraffin oil modifier with low cost is developed, can be applied to waterproof paint, has good mechanical property and heat treatment extensibility, and is a problem to be solved urgently.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a paraffin oil modifier. The paraffin oil modifier is prepared by deacidifying chlorinated paraffin under the action of illumination and a catalyst. In order to improve the summer tensile strength of the final coating product, a paraffin oil modifier is added into the coating formula, so that the strength and the elongation of the coating product can meet the requirements of industry standards.
The technical scheme of the invention is as follows:
the invention provides a paraffin oil modifier which comprises 80-120 parts by weight of chlorinated paraffin oil and 0.1-0.2 part by weight of stabilizer.
Further, in the chlorinated paraffin oil, the paraffin oil is paraffin oil with the n-alkane content of more than or equal to 95 percent and the carbon number of more than 16.
Further, the catalyst is a high-activity silver catalyst, and is more preferably a Yanshan petrochemical YS-8 catalyst.
Further, the stabilizer is one or more of a hindered amine light stabilizer or an ultraviolet light absorber, preferably an ultraviolet light absorber, and more preferably 2-hydroxy-4-methoxybenzophenone.
Further, the chlorine content of the paraffin oil modifier is 40-44%.
Further, the viscosity of the paraffin oil modifier is less than or equal to 400mPa.s, and the density of the paraffin oil modifier is 1.13-1.18g/ml at 50 ℃.
The invention also provides a preparation method of the paraffin oil modifier, which comprises the following steps: irradiating 80-120 parts by weight of paraffin oil under the illumination with the wavelength of 280-350nm, introducing 40-44% by weight of chlorine during the illumination, simultaneously adding 0.01-0.03 part by weight of catalyst to perform deacidification reaction, adding 0.1-0.2 part by weight of stabilizer, and stopping the reaction when the chlorine content of the paraffin oil is 40-44%, thus obtaining the paraffin oil modifier.
Further, the reaction equation of the deacidification reaction is as follows: c (C) 15 H 32 +6Cl 2 ----C 15 H 26 Cl 6 +6HCl。
The invention also provides a waterproof coating containing the paraffin oil modifier, which comprises liquid materials and powder materials, wherein the waterproof coating comprises the following components in parts by weight:
the liquid material comprises the following components:
750-850 parts of emulsion;
2-4 parts of bactericide;
5-8 parts of a defoaming agent;
20-50 parts of plasticizer;
50-80 parts of paraffin oil modifier;
120-160 parts of water;
the powder comprises the following components:
100-300 parts of cement;
700-900 parts of heavy calcium carbonate;
0.2-0.4 part of water reducer;
0.3-0.5 part of retarder.
Further, the emulsion is one or more of ethylene-vinyl acetate copolymer emulsion and acrylic emulsion, preferably ethylene-vinyl acetate copolymer emulsion with glass transition temperature of-5 ℃, and more preferably, 1320 emulsion of celebrate.
Further, the bactericide is an isothiazolinone derivative. Preferably, the bactericide is a mixture of CMIT/mit=1.5/1.
Further, the defoaming agent is one or more of mineral oils, organic silicon and polyether, preferably organic silicon defoaming agent.
Further, the plasticizer is dioctyl terephthalate.
Further, the cement is white cement, is any one of ordinary Portland cement and aluminum sulfate cement, preferably ordinary Portland cement, and the ordinary Portland cement is any one or more of 32.5, 42.5 and 52.5, preferably 32.5.
Further, the heavy weight is any one or more of 200 mesh, 280 mesh and 380 mesh calcium carbonate, preferably 280 mesh.
Further, the water reducing agent is one or more of sodium lignin sulfonate water reducing agent, naphthalene water reducing agent, aliphatic water reducing agent, amino water reducing agent and polycarboxylate water reducing agent, and is more preferably polycarboxylate high-efficiency water reducing agent.
Further, the retarder is one or more of sodium citrate, sodium gluconate and tartaric acid, preferably tartaric acid.
Further, the elongation at break without treatment of the waterproof coating is more than or equal to 110%, the tensile bonding strength without treatment is more than or equal to 1.9MPa, the bonding strength without treatment is more than or equal to 1.0MPa, the elongation at break with heat treatment is more than or equal to 95%, and the tensile bonding strength with heat treatment is more than or equal to 102MPa.
The invention also provides a preparation method of the waterproof paint, which comprises the following steps:
and adding the paraffin oil modifier into the plasticizer according to a certain proportion by weight to obtain the paraffin oil composite modifier. And then adding a proper amount of paraffin oil composite modifier into 1320 emulsion, water, defoamer and bactericide mixed solution to prepare a liquid material component. 32.5 white cement, heavy calcium carbonate, tartaric acid, water reducer and the like are mixed according to a certain proportion to prepare the powder component.
Mixing the liquid material and the powder material in parts by weight, and stirring for 0.5-20min at the rotating speed of 800-2000r/min to obtain the waterproof coating.
Further, in the method, the liquid and the powder may be directly mixed.
The invention has the beneficial effects that:
1. the paraffin oil modifier is prepared by introducing chlorine under the condition of illumination to modify the paraffin oil, adding a stabilizer to stabilize alkane double bonds during the period, so that chlorinated paraffin oil can form stable compounds, too much hydrogen chloride is not easy to generate, the color can be stabilized, the color is not changed into deep yellow, and meanwhile, the catalyst is introduced to shorten the chlorination period.
2. The mere use of chlorinated paraffins as plasticizers can affect properties, for example, can lead to a coating with too high a strength and a low elongation at break. In order to improve the summer tensile strength of the paint, the paraffin oil modifier is prepared by modifying chlorinated paraffin, and is mainly used for improving the summer tensile strength of a final paint product, and the paraffin oil modifier is added into a paint formula, so that the strength and the elongation of the paint product can meet the requirements of industry standards.
3. The mechanical property data of the waterproof coating is far higher than the standard requirement, meets the standard requirement of GB/T23445-2009 II, and has great advantages compared with the prior art product in terms of heat treatment elongation at break performance and heat treatment tensile bonding strength.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the preferred embodiments of the present invention are described below, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Example 1
A paraffin oil modifier consists of 100 parts by weight of chlorinated paraffin oil and 0.1 part by weight of a stabilizer, wherein the stabilizer is 2-hydroxy-4-methoxybenzophenone.
The preparation method comprises the following steps: irradiating 100 parts by weight of paraffin oil under the illumination with the wavelength of 320nm, introducing 42 parts by weight of chlorine, adding 0.02 part by weight of catalyst into the paraffin oil for catalysis, deacidifying, adding 0.1 part by weight of stabilizer, and stopping the reaction when the chlorine content of the paraffin oil is 42%, thereby obtaining a paraffin oil modifier, wherein the paraffin oil is paraffin oil with normal paraffin content of more than or equal to 95% and carbon number of more than 16; the catalyst is a YS-8 catalyst for the petrifaction of Yanshan.
The waterproof coating comprises liquid materials and powder materials, and each waterproof coating comprises the following components in parts by weight:
the liquid material comprises the following components:
800 parts of emulsion;
2 parts of bactericide;
5 parts of defoaming agent;
25 parts of plasticizer;
50 parts of paraffin oil modifier;
150 parts of water;
the powder comprises the following components:
300 parts of cement;
700 parts of heavy calcium;
0.2 parts of water reducer;
0.3 parts of retarder;
wherein the emulsion is 1320 emulsion of celebration; the bactericide is a mixture of CMIT/mit=1.5/1; the defoaming agent is an organosilicon defoaming agent; the plasticizer is dioctyl terephthalate; the cement is Portland cement No. 32.5; the heavy calcium carbonate is 280 mesh calcium carbonate; the water reducer is a polycarboxylic acid high-efficiency water reducer; the retarder is tartaric acid.
The preparation method of the waterproof coating comprises the following steps: and adding the paraffin oil modifier into the plasticizer according to a certain proportion to obtain the paraffin oil composite modifier. Then adding proper amount of paraffin oil composite modifier into the mixed solution of emulsion, water, defoamer and bactericide to prepare the liquid material component. Mixing cement, heavy calcium, retarder, water reducer and the like according to a certain proportion to prepare the powder component. And then stirring the liquid material and the powder material for 5min at the rotating speed of 1000r/min to obtain the waterproof coating, and mixing the waterproof coating.
Table 1 raw material formulation of example 1
Example 2
A paraffin oil modifier consists of 100 parts by weight of chlorinated paraffin oil and 0.15 part by weight of a stabilizer, wherein the stabilizer is 2-hydroxy-4-methoxybenzophenone.
The preparation method comprises the following steps: irradiating 100 parts by weight of paraffin oil under the illumination with the wavelength of 320nm, introducing 42 parts by weight of chlorine, adding 0.03 part by weight of catalyst into the paraffin oil for catalysis, deacidifying, adding 0.15 part by weight of stabilizer, and stopping the reaction when the chlorine content of the paraffin oil is 42%, so as to obtain a paraffin oil modifier, wherein the paraffin oil is paraffin oil with normal paraffin content of more than or equal to 95% and carbon number of more than 16; the catalyst is a YS-8 catalyst for the petrifaction of Yanshan.
The waterproof coating comprises liquid materials and powder materials, and each waterproof coating comprises the following components in parts by weight:
the liquid material comprises the following components:
750 parts of emulsion;
2 parts of bactericide;
5 parts of defoaming agent;
30 parts of plasticizer;
55 parts of paraffin oil modifier;
120 parts of water;
the powder comprises the following components:
200 parts of cement;
800 parts of heavy calcium;
0.2 parts of water reducer;
0.4 parts of retarder;
wherein the emulsion is 1320 emulsion of celebration; the bactericide is a mixture of CMIT/mit=1.5/1; the defoaming agent is an organosilicon defoaming agent; the plasticizer is dioctyl terephthalate; the cement is Portland cement No. 32.5; the heavy calcium carbonate is 280 mesh calcium carbonate; the water reducer is a polycarboxylic acid high-efficiency water reducer; the retarder is tartaric acid.
The preparation method of the waterproof coating comprises the following steps: and adding the paraffin oil modifier into the plasticizer according to a certain proportion to obtain the paraffin oil composite modifier. Then adding proper amount of paraffin oil composite modifier into the mixed solution of emulsion, water, defoamer and bactericide to prepare the liquid material component. Mixing cement, heavy calcium, retarder, water reducer and the like according to a certain proportion to prepare the powder component. And then stirring the liquid material and the powder material for 5min at the rotating speed of 1000r/min to obtain the waterproof coating, and mixing the waterproof coating.
Table 2 raw material formulation of example 2
Example 3
A paraffin oil modifier consists of 100 parts by weight of chlorinated paraffin oil and 0.1 part by weight of a stabilizer, wherein the stabilizer is 2-hydroxy-4-methoxybenzophenone.
The preparation method comprises the following steps: irradiating 100 parts by weight of paraffin oil under the illumination with the wavelength of 320nm, introducing 42 parts by weight of chlorine, adding 0.02 part by weight of catalyst into the paraffin oil for catalysis, deacidifying, adding 0.1 part by weight of stabilizer, and stopping the reaction when the chlorine content of the paraffin oil is 42%, thereby obtaining a paraffin oil modifier, wherein the paraffin oil is paraffin oil with normal paraffin content of more than or equal to 95% and carbon number of more than 16; the catalyst is a YS-8 catalyst for the petrifaction of Yanshan.
The waterproof coating comprises liquid materials and powder materials, and each waterproof coating comprises the following components in parts by weight:
the liquid material comprises the following components:
760 parts of emulsion;
2 parts of bactericide;
5 parts of defoaming agent;
20 parts of plasticizer;
50 parts of paraffin oil modifier;
130 parts of water;
the powder comprises the following components:
100 parts of cement;
900 parts of heavy calcium;
0.2 parts of water reducer;
0.4 parts of retarder;
wherein the emulsion is 1320 emulsion of celebration; the bactericide is a mixture of CMIT/mit=1.5/1; the defoaming agent is an organosilicon defoaming agent; the plasticizer is dioctyl terephthalate; the cement is Portland cement No. 32.5; the heavy calcium carbonate is 280 mesh calcium carbonate; the water reducer is a polycarboxylic acid high-efficiency water reducer; the retarder is tartaric acid.
The preparation method of the waterproof coating comprises the following steps: and adding the paraffin oil modifier into the plasticizer according to a certain proportion to obtain the paraffin oil composite modifier. Then adding proper amount of paraffin oil composite modifier into the mixed solution of emulsion, water, defoamer and bactericide to prepare a liquid material component; mixing cement, heavy calcium, retarder, water reducer and the like according to a certain proportion to prepare the powder component. And then stirring the liquid material and the powder material for 5min at the rotating speed of 1000r/min to obtain the waterproof coating, and mixing the waterproof coating.
Table 3 raw material formulation of example 3
The three prepared samples of examples 1-3 and conventional chlorinated paraffin (as comparative examples) were subjected to performance tests of no-treatment elongation at break, no-treatment bond strength, no-treatment tensile bond strength, thermal treatment elongation at break, thermal treatment tensile strength, according to standard requirements of GB/T23445-2009 type II and GB/T16777-2008. The results are shown in Table 4 below.
TABLE 4 summary of the results of Performance test for examples 1-3 and comparative examples
As shown in Table 4, the mechanical property data of the paraffin oil composite modified waterproof paint prepared in examples 1-3 are far higher than the standard requirements, the standard requirements of GB/T23445-2009 II are met, and the heat treatment elongation at break performance and the heat treatment tensile bonding strength have great advantages compared with the products in the prior art. In summary, the optimal formulation is example 3, and the mechanical properties and heat treatment performance are optimal among the three. And example 3 is more advantageous than existing products in terms of cost.
The above description is only of the preferred embodiment of the present invention, and is not intended to limit the present invention in any other way, but is intended to cover any modifications or equivalent variations according to the technical spirit of the present invention, which fall within the scope of the present invention as defined by the appended claims.
Claims (17)
1. A paraffin oil modifier is characterized by comprising 80-120 parts by weight of chlorinated paraffin oil and 0.1-0.2 part by weight of stabilizer.
2. The paraffin oil modifier according to claim 1, wherein the chlorinated paraffin oil is paraffin oil with a n-alkane content of not less than 95% and a carbon number of not less than 16.
3. The paraffin oil modifier according to claim 1 or 2, wherein the catalyst is a high activity silver catalyst.
4. The paraffin oil modifier according to claim 1 or 2, wherein the stabilizer is one or more of a hindered amine light stabilizer or an ultraviolet absorber.
5. The paraffin oil modifier according to claim 1 or 2, wherein the chlorine content of the paraffin oil modifier is 40-44%.
6. The paraffinic oil modifier according to claim 1 or 2, wherein the paraffinic oil modifier has a viscosity of less than or equal to 400mpa.s and a density at 50 ℃ of 1.13-1.18g/ml.
7. A process for preparing a paraffinic oil modifier according to any one of claims 1 to 6, comprising: irradiating 80-120 parts by weight of paraffin oil under the illumination with the wavelength of 280-350nm, introducing 40-44% by weight of chlorine during the illumination, simultaneously adding 0.01-0.03 part by weight of catalyst to perform deacidification reaction, adding 0.1-0.2 part by weight of stabilizer, and stopping the reaction when the chlorine content of the paraffin oil is 40-44%, thus obtaining the paraffin oil modifier.
8. A water-resistant paint comprising the paraffin oil modifier as claimed in any one of claims 1 to 6, characterized in that the water-resistant paint comprises a liquid material and a powder material, each comprising the following components in parts by weight:
the liquid material comprises the following components:
750-850 parts of emulsion;
2-4 parts of bactericide;
5-8 parts of a defoaming agent;
20-50 parts of plasticizer;
50-80 parts of paraffin oil modifier;
120-160 parts of water;
the powder comprises the following components:
100-300 parts of cement;
700-900 parts of heavy calcium carbonate;
0.2-0.4 part of water reducer;
0.3-0.5 part of retarder.
9. The waterproof coating according to claim 8, wherein the emulsion is one or more of an ethylene-vinyl acetate copolymer emulsion and an acrylic emulsion.
10. The water-resistant coating according to claim 8 or 9, wherein the bactericide is an isothiazolinone derivative.
11. The waterproof coating according to claim 8 or 9, wherein the defoamer is one or more of mineral oils, silicones, polyethers.
12. The water-resistant coating according to claim 8 or 9, wherein the plasticizer is dioctyl terephthalate.
13. The waterproof paint according to claim 8 or 9, wherein the cement is any one of Portland cement and aluminum sulfate cement.
14. The waterproof coating according to claim 8 or 9, wherein the heavy weight is any one or more of 200 mesh, 280 mesh and 380 mesh calcium carbonate.
15. The waterproof coating according to claim 8 or 9, wherein the water reducing agent is one or more of lignin sulfonate water reducing agent, naphthalene water reducing agent, aliphatic water reducing agent, amino water reducing agent, and polycarboxylic acid water reducing agent.
16. The waterproof coating according to claim 8 or 9, wherein the retarder is one or more of sodium citrate, sodium gluconate and tartaric acid.
17. A method of preparing a water-resistant coating according to any one of claims 8 to 16, comprising:
the paraffin oil modifier is added with plasticizer according to a certain proportion to obtain paraffin oil composite modifier, then a proper amount of paraffin oil composite modifier is added into the mixed solution of emulsion, water, defoamer and bactericide to obtain liquid material component, and cement, heavy calcium, tartaric acid and water reducer are mixed according to a certain proportion to obtain powder material component.
Mixing the liquid material and the powder material in parts by weight, and stirring for 0.5-20min at the rotating speed of 800-2000r/min to obtain the waterproof coating.
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| CN111117314A (en) * | 2020-01-06 | 2020-05-08 | 深圳市卓宝科技股份有限公司 | Cement waterproof coating and preparation method and application thereof |
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