CN104073083B - A kind of aqueous elastic fluorine carbon building coating and its preparation method - Google Patents
A kind of aqueous elastic fluorine carbon building coating and its preparation method Download PDFInfo
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Abstract
The present invention discloses a kind of aqueous elastic fluorine carbon building coating and its preparation method, described coating by mass percentage content by component: water is 16-31%, self-control elastic fluorocarbon building emulsion is 40-60%, and efficient film coalescence aid JS-PPH (302) is 2-6%, ultra-fine rutile TiO2For 5-10%, superfine talcum powder is 1-5%, ultrafine quartz powder is 1-5%, ultrafine kaolin is 1-5%, ultrafine heavy calcium powder is 1-5%, and high force dispersion agent is 0.1��0.5%, and multi-functional thickening material is 0.1-0.5%, silicone antifoam agent JS-2010S is 0.1��0.4%, and strong disinfecting sanitas 981 is 0.1-0.4% composition. Described preparation method is first preparation self-control elastic fluorocarbon building emulsion, then prepares aqueous elastic fluorine carbon building coating. The coating environmental protection of the present invention, have that the weathering resistance of overlength, artificial ageing resistance, acid and alkali-resistance, resistance to soiling, chemical-resistant, strong adhesion, snappiness are good, the advantage such as scrubbing resistance, elongation at break, tensile strength, preparation technology of the present invention is simple, easy to operate, preparation efficiency height, production cost is low, and the market competitiveness is strong.
Description
Technical field
The invention belongs to technical field of coatings, it relates to a kind of building coating, more specifically relate to a kind of aqueous elastic fluorine carbon building coating and its preparation method. The coating of the present invention is mainly used in outer wall building coating field.
Background technology
At present at building field, the brushing of newly-built external walls of building coating and the maintenance of aging blocks room refresh in the painting process of exterior coating, normally used are mostly fluorine carbon building coating. Existing this kind of coating due to its snappiness poor; when being subject to when affecting of the unfavorable factors such as outside climatic, its building surface often can produce crack phenomenon, and along with strengthening further gradually in its crack of time lengthening; thus buildings can be had a negative impact, even adverse consequences. Therefore, this is extremely paid close attention to and payes attention to by the scientific research personnel relevant to building field, one to since thirst for a kind of snappiness that can improve existing fluorine carbon building coating of development, novel aqueous elastic fluorine carbon building coating, thus overcome and solve the phenomenon that body of wall is covered with paint, lacquer, colour wash, etc. rear coating and easily ftractureed. And the aqueous elastic fluorine carbon building coating not only environmental protection requiring this novel, the more important thing is that the weathering resistance with overlength, artificial ageing resistance, acid and alkali-resistance, resistance to soiling, chemical-resistant, strong adhesion, snappiness are good, the advantage such as scrubbing resistance, elongation at break, tensile strength.
Summary of the invention
It is an object of the invention to as overcoming and solve the poor defect of snappiness and the problem that existing fluorine carbon building coating exists, it is provided that a kind of aqueous elastic fluorine carbon building coating and its preparation method. The not only environmental protection of this coating, the more important thing is that the weathering resistance with overlength, artificial ageing resistance, acid and alkali-resistance, resistance to soiling, chemical-resistant, strong adhesion, snappiness are good, the advantage such as scrubbing resistance, elongation at break, tensile strength.
For achieving the above object, the technical scheme that the present invention takes is:
A kind of aqueous elastic fluorine carbon building coating, content is by component by mass percentage: water is 16-31%, and self-control elastic fluorocarbon building emulsion is 40-60%, and efficient film coalescence aid JS-PPH (302) is 2-6%, ultra-fine rutile TiO2For 5-10%, superfine talcum powder is 1-5%, ultrafine quartz powder is 1-5%, ultrafine kaolin is 1-5%, ultrafine heavy calcium powder is 1-5%, and high force dispersion agent is 0.1��0.5%, and multi-functional thickening material is 0.1-0.5%, silicone antifoam agent JS-2010S is 0.1��0.4%, and strong disinfecting sanitas 981 is 0.1-0.4% composition.
Wherein, described self-control elastic fluorocarbon building emulsion by mass percentage content by component: deionized water is 38%, vinylidene fluoride is 20%, trifluorochloroethylene is 10%, hydroxyethyl methylacrylate is 10%, methyl methacrylate is 8%, N hydroxymethyl acrylamide is 0.8%, ethylene glycol monoallyl ether is 1%, and vinyl propyl ether is 5%, and isopropyl-ethylene base ether is 4.2%, sodium lauryl sulphate is 0.8%, polyoxyethylene nonylphenol ether OP-10 is 1.5%, and Ammonium Persulfate 98.5 is 0.2%, and sodium bisulfite is 0.5% composition.
Described ultra-fine rutile TiO2, superfine talcum powder, ultrafine quartz powder, ultrafine kaolin, the particle diameter of ultrafine heavy calcium powder is 1250 order sieves.
For achieving the above object, another technical scheme that the present invention takes is:
The preparation method of a kind of aqueous elastic fluorine carbon building coating of the present invention, comprises the following steps:
The preparation method of step 1, described self-control elastic fluorocarbon building emulsion, concrete steps are:
(1) by formula metering by 1/2 deionized water, the hydroxyethyl methylacrylate of 1/2, the methyl methacrylate of 1/2, the N hydroxymethyl acrylamide of 1/2, the ethylene glycol monoallyl ether of 1/2, the vinyl propyl ether of 1/2, the isopropyl-ethylene base ether of 1/2, the sodium lauryl sulphate of 1/2, the polyoxyethylene nonylphenol ether OP-10 of 1/2 adds in emulsification container, with the rotating speed stirring at low speed 25-30min of 700-900r/min, obtain emulsification emulsion;
(2) emulsion after step (1) emulsification is poured in reactor, when the high-speed stirring of 1000-2700r/min, add deionized water and whole ammonium persulphates and the sodium bisulfite of remaining 1/2 respectively, lead to nitrogen in a kettle. to stir for 4-8 time after evenly, it is warming up to 65-75 DEG C, add the hydroxyethyl methylacrylate of remaining 1/2 more respectively, the methyl methacrylate of 1/2, the N hydroxymethyl acrylamide of 1/2, the ethylene glycol monoallyl ether of 1/2, the vinyl propyl ether of 1/2, the isopropyl-ethylene base ether of 1/2, the sodium lauryl sulphate of 1/2, the polyoxyethylene nonylphenol ether OP-10 of 1/2 stirs 50-60min, pH �� 7-8,
(3) then whole vinylidene fluorides and trifluorochloroethylene is added respectively again by formula metering, it is raised to 90-110 DEG C in temperature, reactor pressure is stir under 0.7-1.0MPa, and cooling decompression after insulation reaction 10-152h, namely obtains aqueous elastic fluorine carbon building emulsion.
The preparation of step 2, described aqueous elastic fluorine carbon building coating, concrete steps are:
(1) when stirring with the rotating speed of 700-900r/min, by formula metering respectively by water, ultra-fine rutile TiO2, superfine talcum powder add in container, stir 20-25min;
(2) when stirring with 1000-2700r/min rotating speed, by formulating of recipe amount, self-control elastic fluorocarbon building emulsion is added in container, continue to stir 30-35min, then respectively ultrafine quartz powder, ultrafine kaolin, ultrafine heavy calcium powder, efficient film coalescence aid JS-PPH (302) are added to stir 35-40min in container more even;
(3) add multi-functional thickening material more respectively, high force dispersion agent, silicone antifoam agent JS-2010S, strong disinfecting sanitas 981, stir 40-50min, namely obtain aqueous elastic fluorine carbon building coating.
The advantage that the present invention has compared with prior art and useful effect be mainly:
1, the coating of the present invention not only environmental protection, the more important thing is that the weathering resistance with overlength, artificial ageing resistance, acid and alkali-resistance, resistance to soiling, chemical-resistant, strong adhesion, snappiness are good, the advantage such as scrubbing resistance, elongation at break, tensile strength.
2, the Paint preparation technology of the present invention is simple, and easy to operate, preparation efficiency height, production cost is low, and the market competitiveness is strong.
Embodiment
The technical scheme of the present invention is further described below in conjunction with specific embodiment:
The source of each component: water, elastic fluorocarbon building emulsion (self-control), efficient film coalescence aid JS-PPH (302) (Shanghai Jin Shan Chemical Co., Ltd. technical grade product), ultra-fine rutile TiO21250 orders (Langfang Lan Ke Chemical Co., Ltd. technical grade product), ultrafine quartz powder 1250 order (sea otter Wei Fen factory of Henan Province technical grade product), superfine talcum powder 1250 order (Changxing Qing Shenggai industry company limited technical grade product), ultrafine kaolin (Yangzhou Di Lan industrial chemicals company limited technical grade product), ultrafine heavy calcium powder (Sheng Hua fine chemistry industry technical grade product), multi-functional thickening material (Beijing Gongda Weiye Sci-Tech Research Center's technical grade product), high force dispersion agent (Beijing Gongda Weiye Sci-Tech Research Center's technical grade product), strong disinfecting sanitas 981 (Shanghai Ji Yi Chemical Co., Ltd. technical grade product), silicone antifoam agent JS-2010S (Shanghai Jin Shan Chemical Co., Ltd. technical grade product).
One, the mass percent content of embodiment 15 recipe ingredient is as shown in the table:
Two, the preparation method of embodiment 15, step is as follows:
The preparation method of step 1, described self-control elastic fluorocarbon building emulsion, concrete steps are:
(1) being 38% by formulation deionised water, vinylidene fluoride is 20%, and trifluorochloroethylene is 10%, hydroxyethyl methylacrylate is 10%, methyl methacrylate is 8%, and N hydroxymethyl acrylamide is 0.8%, and ethylene glycol monoallyl ether is 1%, vinyl propyl ether is 5%, isopropyl-ethylene base ether is 4.2%, and sodium lauryl sulphate is 0.8%, and polyoxyethylene nonylphenol ether OP-10 is 1.5%, Ammonium Persulfate 98.5 is 0.2%, and sodium bisulfite is 0.5%. First by wherein 1/2 deionized water, the hydroxyethyl methylacrylate of 1/2, the methyl methacrylate of 1/2, the N hydroxymethyl acrylamide of 1/2, the ethylene glycol monoallyl ether of 1/2, the vinyl propyl ether of 1/2, the isopropyl-ethylene base ether of 1/2, the sodium lauryl sulphate of 1/2, the polyoxyethylene nonylphenol ether OP-10 of 1/2 adds in emulsification container, with the rotating speed stirring at low speed 25-30min of 700-900r/min, obtain emulsification emulsion;
(2) emulsion after step (1) emulsification is poured in reactor, when the high-speed stirring of 1000-2700r/min, add deionized water and whole ammonium persulphates and the sodium bisulfite of remaining 1/2 respectively, lead to nitrogen in a kettle. to stir for 4-8 time after evenly, it is warming up to 65-75 DEG C, add the hydroxyethyl methylacrylate of remaining 1/2 more respectively, the methyl methacrylate of 1/2, the N hydroxymethyl acrylamide of 1/2, the ethylene glycol monoallyl ether of 1/2, the vinyl propyl ether of 1/2, the isopropyl-ethylene base ether of 1/2, the sodium lauryl sulphate of 1/2, the polyoxyethylene nonylphenol ether OP-10 of 1/2 stirs 50-60min, pH �� 7-8,
(3) then whole vinylidene fluorides and trifluorochloroethylene is added respectively again by formula metering, it is raised to 90-110 DEG C in temperature, reactor pressure is stir under 0.7-1.0MPa, and cooling decompression after insulation reaction 10-152h, namely obtains aqueous elastic fluorine carbon building emulsion.
The preparation of step 2, described aqueous elastic fluorine carbon building coating, concrete steps are:
(1) when stirring with the rotating speed of 700-900r/min, by formula metering respectively by water, ultra-fine rutile TiO2, superfine talcum powder add in container, stir 20-25min;
(2) when stirring with 1000-2700r/min rotating speed, by formulating of recipe amount, self-control elastic fluorocarbon building emulsion is added in container, continue to stir 30-35min, then respectively ultrafine quartz powder, ultrafine kaolin, ultrafine heavy calcium powder, efficient film coalescence aid JS-PPH (302) are added to stir 35-40min in container more even;
(3) add multi-functional thickening material more respectively, high force dispersion agent, silicone antifoam agent JS-2010S, strong disinfecting sanitas 981, stir 40-50min, namely obtain aqueous elastic fluorine carbon building coating.
Three, embodiment 15 products obtained therefrom performance test results is as shown in the table:
Claims (3)
1. an aqueous elastic fluorine carbon building coating, it is characterised in that, content is by component by mass percentage: water is 16-31%, and self-control elastic fluorocarbon building emulsion is 40-60%, and efficient film coalescence aid JS-PPH (302) is 2-6%, ultra-fine rutile TiO2For 5-10%, superfine talcum powder is 1-5%, ultrafine quartz powder is 1-5%, ultrafine kaolin is 1-5%, ultrafine heavy calcium powder is 1-5%, and high force dispersion agent is 0.1��0.5%, and multi-functional thickening material is 0.1-0.5%, silicone antifoam agent JS-2010S is 0.1��0.4%, and strong disinfecting sanitas 981 is 0.1-0.4% composition;
Wherein, described self-control elastic fluorocarbon building emulsion by mass percentage content by component: deionized water is 38%, vinylidene fluoride is 20%, trifluorochloroethylene is 10%, hydroxyethyl methylacrylate is 10%, methyl methacrylate is 8%, N hydroxymethyl acrylamide is 0.8%, ethylene glycol monoallyl ether is 1%, and vinyl propyl ether is 5%, and isopropyl-ethylene base ether is 4.2%, sodium lauryl sulphate is 0.8%, polyoxyethylene nonylphenol ether OP-10 is 1.5%, and ammonium persulphate is 0.2%, and sodium bisulfite is 0.5% composition, and by first press formula metering by 1/2 deionized water, the hydroxyethyl methylacrylate of 1/2, the methyl methacrylate of 1/2, the N hydroxymethyl acrylamide of 1/2, the ethylene glycol monoallyl ether of 1/2, the vinyl propyl ether of 1/2, the isopropyl-ethylene base ether of 1/2, the sodium lauryl sulphate of 1/2, the polyoxyethylene nonylphenol ether OP-10 of 1/2 adds in emulsification container, with the rotating speed stirring at low speed 25-30min of 700-900r/min, obtain emulsion, then the emulsion after emulsification is poured in reactor, when the high-speed stirring of 1000-2700r/min, add deionized water and whole ammonium persulphates and the sodium bisulfite of remaining 1/2 respectively, lead to nitrogen in a kettle. to stir for 4-8 time after evenly, it is warming up to 65-75 DEG C, add the hydroxyethyl methylacrylate of remaining 1/2 more respectively, the methyl methacrylate of 1/2, the N hydroxymethyl acrylamide of 1/2, the ethylene glycol monoallyl ether of 1/2, the vinyl propyl ether of 1/2, the isopropyl-ethylene base ether of 1/2, the sodium lauryl sulphate of 1/2, the polyoxyethylene nonylphenol ether OP-10 of 1/2 stirs 50-60min, pH=7-8, adding whole vinylidene fluorides and trifluorochloroethylene respectively again by formula metering again, be raised to 90-110 DEG C in temperature, reactor pressure is stir under 0.7-1.0MPa, and cooling decompression after insulation reaction 10-152h obtains self-control elastic fluorocarbon building emulsion.
2. a kind of aqueous elastic fluorine carbon building coating according to claim 1, it is characterised in that, described ultra-fine rutile TiO2, superfine talcum powder, ultrafine quartz powder, the particle diameter of ultrafine kaolin and ultrafine heavy calcium powder is 1250 order sieves.
3. the preparation method of an aqueous elastic fluorine carbon building coating according to claim 1, it is characterised in that, comprise the following steps:
Step one, self-control elastic fluorocarbon building emulsion, step is:
(1) by formula metering by 1/2 deionized water, the hydroxyethyl methylacrylate of 1/2, the methyl methacrylate of 1/2, the N hydroxymethyl acrylamide of 1/2, the ethylene glycol monoallyl ether of 1/2, the vinyl propyl ether of 1/2, the isopropyl-ethylene base ether of 1/2, the sodium lauryl sulphate of 1/2, the polyoxyethylene nonylphenol ether OP-10 of 1/2 adds in emulsification container, with the rotating speed stirring at low speed 25-30min of 700-900r/min, obtain emulsion;
(2) emulsion after step (1) emulsification is poured in reactor, when the high-speed stirring of 1000-2700r/min, add deionized water and whole ammonium persulphates and the sodium bisulfite of remaining 1/2 respectively, lead to nitrogen in a kettle. to stir for 4-8 time after evenly, it is warming up to 65-75 DEG C, add the hydroxyethyl methylacrylate of remaining 1/2 more respectively, the methyl methacrylate of 1/2, the N hydroxymethyl acrylamide of 1/2, the ethylene glycol monoallyl ether of 1/2, the vinyl propyl ether of 1/2, the isopropyl-ethylene base ether of 1/2, the sodium lauryl sulphate of 1/2, the polyoxyethylene nonylphenol ether OP-10 of 1/2 stirs 50-60min, pH=7-8,
(3) then whole vinylidene fluorides and trifluorochloroethylene is added respectively again by formula metering, it is raised to 90-110 DEG C in temperature, reactor pressure is stir under 0.7-1.0MPa, and cooling decompression after insulation reaction 10-152h, namely obtains aqueous elastic fluorine carbon building emulsion;
Step 2, preparing aqueous elastic fluorine carbon building coating, step is:
1) when stirring with the rotating speed of 700-900r/min, by formula metering respectively by water, ultra-fine rutile TiO2, superfine talcum powder add in container, stir 20-25min;
2) when stirring with 1000-2700r/min rotating speed, by formulating of recipe amount, self-control elastic fluorocarbon building emulsion is added in container, continue to stir 30-35min, then respectively ultrafine quartz powder, ultrafine kaolin, ultrafine heavy calcium powder, efficient film coalescence aid JS-PPH (302) are added to stir 35-40min in container more even;
3) add multi-functional thickening material more respectively, high force dispersion agent, silicone antifoam agent JS-2010S, strong disinfecting sanitas 981, stir 40-50min, namely obtain aqueous elastic fluorine carbon building coating.
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