CN104059446B - A kind of environmental protection hydrophilic elastic fluorine carbon building emulsion and preparation method thereof - Google Patents
A kind of environmental protection hydrophilic elastic fluorine carbon building emulsion and preparation method thereof Download PDFInfo
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- CN104059446B CN104059446B CN201410265687.1A CN201410265687A CN104059446B CN 104059446 B CN104059446 B CN 104059446B CN 201410265687 A CN201410265687 A CN 201410265687A CN 104059446 B CN104059446 B CN 104059446B
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Abstract
The invention discloses a kind of environmental protection hydrophilic elastic fluorine carbon building emulsion and preparation method thereof, each constituent mass percentage composition of described emulsion composition is respectively: deionized water 34 ~ 41%, vinylidene fluoride 12 ~ 20%, trifluorochloroethylene 10 ~ 18%, hydroxyethyl methylacrylate 10 ~ 17%, methyl methacrylate 2 ~ 8%, N hydroxymethyl acrylamide 0.5 ~ 2.3%, ethylene glycol monoallyl ether 1 ~ 6%, vinyl propyl ether 1 ~ 5%, isopropyl-ethylene base ether 1.1 ~ 5%, polyoxyethylene nonylphenol ether OP-10 is 0.2 ~ 1.5%, ammonium persulphate 0.2 ~ 1.2%, sodium bisulfite 0.1 ~ 0.5%, sodium lauryl sulphate 0.5 ~ 2%.Described preparation method is first emulsification, then the emulsion after emulsification is poured in reactor and reacts.Emulsion environmental protection of the present invention, has that the weathering resistance of overlength, acid and alkali-resistance, resistance to soiling, chemical resistance, strong adhesion, snappiness are good, the advantage of the excellent combination property such as scrubbing resistance, elongation at break, tensile strength.
Description
Technical field
The present invention relates to a kind of environmental protection hydrophilic elastic fluorine carbon building emulsion and preparation method thereof, be mainly used in building external paint field.
Background technology
Along with the progressively raising of environmental requirement, various countries are to the restriction increasingly stringent of VOC content, and solvent-borne type fluorine carbon emulsion is subject to certain restrictions, and environmental effect is good, and the water-based fluorocarbon that VOC content is low has become the direction of fluorine carbon emulsion development.Current domestic water-base fluorocarbon emulsion is owing to mainly adopting ester class as comonomer, and therefore fluorine content is lower, and elasticity is lower.
Summary of the invention
The object of the invention is for above-mentioned Problems existing, in order to overcome its defect, providing a kind of environmental protection hydrophilic elastic fluorine carbon building emulsion and preparation method thereof.
The present invention is in order to improve the snappiness of emulsion, improve the fluorine content of emulsion and the weathering resistance of film and elasticity, introduce polynary ethers in polymerization by employing Fluorine containing olefine and carry out letex polymerization in anionic emulsifier and nonionic emulsifying agent complex emulsifier, adopt advanced synthesis technique to prepare environmental protection hydrophilic elastic fluorine carbon building emulsion, thus overcome the defect of existing water-base fluorocarbon emulsion.
Emulsion environmental protection of the present invention, have that the weathering resistance of overlength, acid and alkali-resistance, resistance to soiling, chemical-resistant, strong adhesion, snappiness are good, the advantage of the high comprehensive performance such as scrubbing resistance, elongation at break, tensile strength, the beautiful outward appearance of buildings can be kept for a long time, have broad application prospects.
For achieving the above object, the present invention realizes the technical scheme that object adopts and is:
A kind of environmental protection hydrophilic elastic fluorine carbon building emulsion, content is 34 ~ 41% by component deionized water by mass percentage, vinylidene fluoride is 12 ~ 20%, trifluorochloroethylene is 10 ~ 18%, hydroxyethyl methylacrylate is 10 ~ 17%, methyl methacrylate is 2 ~ 8%, N hydroxymethyl acrylamide is 0.5 ~ 2.3%, ethylene glycol monoallyl ether is 1 ~ 6%, vinyl propyl ether is 1 ~ 5%, isopropyl-ethylene base ether is 1.1 ~ 5%, polyoxyethylene nonylphenol ether OP-10 is 0.2 ~ 1.5%, ammonium persulphate is 0.2 ~ 1.2%, sodium bisulfite is 0.1 ~ 0.5%, sodium lauryl sulphate is 0.5 ~ 2% composition.
For achieving the above object, the present invention realizes another technical scheme that object adopts and is:
A liquid and preparation method thereof for environmental protection hydrophilic elastic fluorine carbon building breast, comprises the following steps:
1. press formula metering by the deionized water of 1/2,1/2 hydroxyethyl methylacrylate, 1/2 methyl methacrylate, 1/2N-n-methylolacrylamide, 1/2 ethylene glycol monoallyl ether, 1/2 vinyl propyl ether, 1/2 isopropyl-ethylene base ether, 1/2 sodium lauryl sulphate, 1/2 polyoxyethylene nonylphenol ether OP-10 adds in emulsification container, with the rotating speed stirring at low speed 25-30min of 700-900r/min;
2. the emulsion after step 1 emulsification is poured in reactor, with the rotating speed high-speed stirring of 1000-2700r/min, and add remaining 1/2 deionized water respectively, ammonium persulphate and sodium bisulfite, pass into after nitrogen stirs for 4-8 time in a kettle., be warming up to 65-75 DEG C, add residue 1/2 hydroxyethyl methylacrylate more respectively, 1/2 methyl methacrylate, 1/2N-n-methylolacrylamide, 1/2 ethylene glycol monoallyl ether, 1/2 vinyl propyl ether, 1/2 isopropyl-ethylene base ether, 1/2 sodium lauryl sulphate, 1/2 polyoxyethylene nonylphenol ether OP-10 stirs 50-60min, adjustment pH is 7-8,
3. pour in reactor by vinylidene fluoride and trifluorochloroethylene respectively by formula, be raised to 90-110 DEG C in temperature, reactor pressure is stir cooling decompression after insulation reaction 10-12h under 0.7-1.0MPa, namely obtains environmental protection hydrophilic elastic fluorine carbon building emulsion.
The advantage that the present invention is had compared with prior art and beneficial effect are mainly reflected in:
1, present invention improves the snappiness of emulsion, improve the fluorine content of emulsion and the weathering resistance of film and elasticity, introduce polynary ethers in polymerization by employing Fluorine containing olefine and carry out letex polymerization in anionic emulsifier and nonionic emulsifying agent complex emulsifier, adopt advanced synthesis technique to prepare environmental protection hydrophilic elastic fluorine carbon building emulsion, thus overcome the defect of existing water-base fluorocarbon emulsion.
2, emulsion environmental protection of the present invention, have that the weathering resistance of overlength, acid and alkali-resistance, resistance to soiling, chemical-resistant, strong adhesion, snappiness are good, the advantage of the high comprehensive performance such as scrubbing resistance, elongation at break, tensile strength, the beautiful outward appearance of buildings can be kept for a long time, have broad application prospects.
3, preparation technology of the present invention is simple, and cost is low, easily applies.
Embodiment
Technical scheme of the present invention is further described below by specific embodiment:
The source of each component of embodiment: deionized water (self-control), vinylidene fluoride (east, Shanghai fluorine chemical Science and Technology Ltd. technical grade product), trifluorochloroethylene (east, Shanghai fluorine chemical Science and Technology Ltd. technical grade product), hydroxyethyl methylacrylate (Nanjing Zhong Xu Chemical Co., Ltd. technical grade product), methyl methacrylate (Suzhou Jia Lin Chemical Co., Ltd. technical grade product), N hydroxymethyl acrylamide (Beijing is praised and Rui Lian Science and Technology Ltd. technical grade product), ethylene glycol monoallyl ether (the limited technical grade product of Yangzhou three friend's synthesis chemical industry), vinyl propyl ether (the limited technical grade product of Yangzhou three friend's synthesis chemical industry), isopropyl-ethylene base ether (the limited technical grade product of Yangzhou three friend's synthesis chemical industry), ammonium persulphate (Dongguan Yong Zheng Chemical Co., Ltd. technical grade product), sodium bisulfite (Dongguan Yong Zheng Chemical Co., Ltd.), sodium lauryl sulphate (
nanjing Kang Manlin chemical industry Industrial Co., Ltd.technical grade product), polyoxyethylene nonylphenol ether OP-10 (hundred million trade Co., Ltd's technical grade product are opened up in Guangzhou).
One, content formula is as shown in the table by mass percentage for embodiment 1-5:
Two, the preparation method of embodiment 1-5
A liquid and preparation method thereof for environmental protection hydrophilic elastic fluorine carbon building breast, comprises the following steps:
1. press formula metering by the deionized water of 1/2,1/2 hydroxyethyl methylacrylate, 1/2 methyl methacrylate, 1/2N-n-methylolacrylamide, 1/2 ethylene glycol monoallyl ether, 1/2 vinyl propyl ether, 1/2 isopropyl-ethylene base ether, 1/2 sodium lauryl sulphate, 1/2 polyoxyethylene nonylphenol ether OP-10 adds in emulsification container, with the rotating speed stirring at low speed 25-30min of 700-900r/min;
2. the emulsion after step 1 emulsification is poured in reactor, with the rotating speed high-speed stirring of 1000-2700r/min, and add remaining 1/2 deionized water respectively, ammonium persulphate and sodium bisulfite, pass into after nitrogen stirs for 4-8 time in a kettle., be warming up to 65-75 DEG C, add residue 1/2 hydroxyethyl methylacrylate more respectively, 1/2 methyl methacrylate, 1/2N-n-methylolacrylamide, 1/2 ethylene glycol monoallyl ether, 1/2 vinyl propyl ether, 1/2 isopropyl-ethylene base ether, 1/2 sodium lauryl sulphate, 1/2 polyoxyethylene nonylphenol ether OP-10 stirs 50-60min, adjustment pH is 7-8,
3. pour in reactor by vinylidene fluoride and trifluorochloroethylene respectively by formula, be raised to 90-110 DEG C in temperature, reactor pressure is stir cooling decompression after insulation reaction 10-12h under 0.7-1.0MPa, namely obtains environmental protection hydrophilic elastic fluorine carbon building emulsion.
Three, embodiment 1-5 products obtained therefrom performance test results is as shown in the table:
Claims (2)
1. an environmental protection hydrophilic elastic fluorine carbon building emulsion, it is characterized in that, content is 34 ~ 41% by component deionized water by mass percentage, vinylidene fluoride is 12 ~ 20%, trifluorochloroethylene is 10 ~ 18%, hydroxyethyl methylacrylate is 10 ~ 17%, methyl methacrylate is 2 ~ 8%, N hydroxymethyl acrylamide is 0.5 ~ 2.3%, ethylene glycol monoallyl ether is 1 ~ 6%, vinyl propyl ether is 1 ~ 5%, isopropyl-ethylene base ether is 1.1 ~ 5%, polyoxyethylene nonylphenol ether OP-10 is 0.2 ~ 1.5%, ammonium persulphate is 0.2 ~ 1.2%, sodium bisulfite is 0.1 ~ 0.5%, sodium lauryl sulphate is 0.5 ~ 2% composition, and by first pressing formula metering by the deionized water of 1/2,1/2 hydroxyethyl methylacrylate, 1/2 methyl methacrylate, 1/2N-n-methylolacrylamide, 1/2 ethylene glycol monoallyl ether, 1/2 vinyl propyl ether, 1/2 isopropyl-ethylene base ether, 1/2 sodium lauryl sulphate, 1/2 polyoxyethylene nonylphenol ether OP-10 adds in emulsification container, with the rotating speed stirring at low speed 25-30min of 700-900r/min, then the emulsion after emulsification is poured in reactor, with the rotating speed high-speed stirring of 1000-2700r/min, and add remaining 1/2 deionized water respectively, ammonium persulphate and sodium bisulfite, pass into after nitrogen stirs for 4-8 time in a kettle., be warming up to 65-75 DEG C, add residue 1/2 hydroxyethyl methylacrylate more respectively, 1/2 methyl methacrylate, 1/2N-n-methylolacrylamide, 1/2 ethylene glycol monoallyl ether, 1/2 vinyl propyl ether, 1/2 isopropyl-ethylene base ether, 1/2 sodium lauryl sulphate, 1/2 polyoxyethylene nonylphenol ether OP-10 stirs 50-60min, adjustment pH is 7-8, last pour in reactor by vinylidene fluoride and trifluorochloroethylene respectively by formula again, be raised to 90-110 DEG C in temperature, reactor pressure is stir cooling decompression after insulation reaction 10-12h under 0.7-1.0MPa, obtained environmental protection hydrophilic elastic fluorine carbon building emulsion.
2. a preparation method for environmental protection hydrophilic elastic fluorine carbon building emulsion as claimed in claim 1, is characterized in that, comprise the following steps:
(1) by formula metering by the deionized water of 1/2,1/2 hydroxyethyl methylacrylate, 1/2 methyl methacrylate, 1/2N-n-methylolacrylamide, 1/2 ethylene glycol monoallyl ether, 1/2 vinyl propyl ether, 1/2 isopropyl-ethylene base ether, 1/2 sodium lauryl sulphate, 1/2 polyoxyethylene nonylphenol ether OP-10 adds in emulsification container, with the rotating speed stirring at low speed 25-30min of 700-900r/min;
(2) emulsion after step (1) emulsification is poured in reactor, with the rotating speed high-speed stirring of 1000-2700r/min, and add remaining 1/2 deionized water respectively, ammonium persulphate and sodium bisulfite, pass into after nitrogen stirs for 4-8 time in a kettle., be warming up to 65-75 DEG C, add residue 1/2 hydroxyethyl methylacrylate more respectively, 1/2 methyl methacrylate, 1/2N-n-methylolacrylamide, 1/2 ethylene glycol monoallyl ether, 1/2 vinyl propyl ether, 1/2 isopropyl-ethylene base ether, 1/2 sodium lauryl sulphate, 1/2 polyoxyethylene nonylphenol ether OP-10 stirs 50-60min, adjustment pH is 7-8,
(3) respectively vinylidene fluoride and trifluorochloroethylene are poured in reactor by formula, 90-110 DEG C is raised in temperature, reactor pressure is stir cooling decompression after insulation reaction 10-12h under 0.7-1.0MPa, namely obtains environmental protection hydrophilic elastic fluorine carbon building emulsion.
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| CN104356561B (en) * | 2014-11-12 | 2016-08-17 | 铜陵天海流体控制股份有限公司 | The line with rubber sizing material preparation method of soft sealing gate valve valve plate |
| RU2603141C1 (en) * | 2015-12-30 | 2016-11-20 | Федеральное государственное бюджетное учреждение науки Институт элементоорганических соединений им. А.Н. Несмеянова Российской академии наук (ИНЭОС РАН) | (perfluoro-2-trichloromethylisopropyl)acrylate and polymer based thereon |
| CN106380950A (en) * | 2016-09-23 | 2017-02-08 | 安徽吉思特智能装备有限公司 | Ultrahigh-durability fluorocarbon heat-insulation radiation-type paint and preparation method thereof |
| CN106380948A (en) * | 2016-09-23 | 2017-02-08 | 安徽吉思特智能装备有限公司 | Wear-resistant fluorocarbon heat-insulation radiation-type paint and preparation method thereof |
| CN110591472A (en) * | 2019-08-26 | 2019-12-20 | 佛山科学技术学院 | Modified water-based fluorocarbon coating and preparation method thereof |
| CN111072838B (en) * | 2019-12-31 | 2021-12-03 | 山东华夏神舟新材料有限公司 | Polyvinylidene fluoride copolymer dispersion liquid with high-solid content and alternating structure and preparation method thereof |
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| CN101475507A (en) * | 2009-01-20 | 2009-07-08 | 大连理工大学 | Fluorinated acrylate, preparation method and preparation of copolymer thereof |
| CN103483503A (en) * | 2013-09-29 | 2014-01-01 | 江苏蓝色星球环保科技股份有限公司 | Polyester modified hydroxyl type fluorinated acrylate resin and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101475507A (en) * | 2009-01-20 | 2009-07-08 | 大连理工大学 | Fluorinated acrylate, preparation method and preparation of copolymer thereof |
| CN103483503A (en) * | 2013-09-29 | 2014-01-01 | 江苏蓝色星球环保科技股份有限公司 | Polyester modified hydroxyl type fluorinated acrylate resin and preparation method thereof |
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