CN102477244B - Efficient and low cost lotus leaf paint, and preparation method thereof - Google Patents
Efficient and low cost lotus leaf paint, and preparation method thereof Download PDFInfo
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- CN102477244B CN102477244B CN201010559934.0A CN201010559934A CN102477244B CN 102477244 B CN102477244 B CN 102477244B CN 201010559934 A CN201010559934 A CN 201010559934A CN 102477244 B CN102477244 B CN 102477244B
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Abstract
The invention discloses an efficient and low cost lotus paint. The paint comprises the following components, by weight: 100 parts of an organic silicon-fluorine monomer, 24.5-250.6 parts of an acrylic monomer, 0.3-8.5 parts of a catalyst, 10-38.7 parts of an emulsifying agent, 14.2-159.6 parts of a filler, 0.8-34.2 parts of a pH value regulator, 0-11.2 parts of a pigment, 0.3-88.7 parts of a thixotropic agent. According to the present invention, the lotus leaf paint prepared by adopting the industrialized monomers and the simple emulsion polymerization method has the contact angle of 139 DEG (water), excellent hydrophobic capability and good self-cleaning function, and belongs to the efficient and low cost lotus paint; the processing technology is simple, the operation is convenient, the paint does not contain the harmful components to the human body, the current requirements of the market can be met well, and the paint has a broad market development prospect.
Description
Technical field
The present invention relates to a kind of coating, particularly relate to a kind of high efficiency, low cost lotus leaf paint and preparation method thereof.
Background technology
Lotus leaf paint has the same remarkable hydrophobic effect of lotus leaf, preeminent stain resistance, outstanding respiration, green environment-friendly function, therefore also known as " lotus leaf paint ".It has following features:
A, there is outstanding water proof and dust proof characteristic, the hydrophobic nature of height;
B, perfectly protective value, particularly for the exposure metope endured severe weather to the fullest extent and expose to wind and rain;
The sticking power of c, to greatest extent decreasing pollution particle, automatic cleaning metope.
Be very easy to find with after common paint by lotus leaf paint: spill water at lotus leaf paint specimen surface, the globule can be assembled automatically, and paint film keeps dry and comfortable, and generic latex paint model moisture content is easy to infiltrate into paint film inside, and coating surface is moist.This is because lotus leaf paint coating surface has the hydrophobic nature of height, paint film is produced effect that similar lotus leaf plays the globule, effectively prevents moisture content from permeating, can paint film be kept for a long time dry and comfortable.The hydrophobic nature of height also makes metope have the self-cleaning function of similar lotus leaf, reduces the sticking power of dust granule to greatest extent, reaches the effect of automatic cleaning metope.
Lotus leaf paint has excellent self-cleaning function, as novel paint, it is subject to people's attention day by day, publication number is the preparation method that the Chinese invention patent of CN101760096 discloses a kind of waterborne lotus leaf paint, but comprise harmful isothiazolinone in its formula, and its effect is also unsatisfactory; Publication number is the preparation method that the Chinese invention patent of CN1618889 discloses a kind of environmental protection nano-lotus leaf lacquer paint, although not containing harmful composition in its open formula, its hydrophobic effect is well below ideal value; Publication number is that the Chinese invention patent of CN101089059 discloses a kind of building inner, external wall waterborne lotus leaf paint and preparation method thereof, but its formula is too complicated, and the course of processing is also very loaded down with trivial details, and cost is very high, is difficult to realize industrialization.
Summary of the invention
The present invention provides a kind of high efficiency, low cost lotus leaf paint and preparation method thereof to solve above-mentioned prior art Problems existing exactly.
Object of the present invention is achieved through the following technical solutions:
A kind of high efficiency, low cost lotus leaf paint, comprises following composition and weight part:
Organic silicon-fluorine monomer 100;
Acrylic monomer 24.5-250.6;
Catalyzer 0.3-8.5;
Emulsifying agent 10-38.7;
Filler 14.2-159.6;
PH value conditioning agent 0.8-34.2;
Pigment 0-11.2;
Thixotropic agent 0.3-88.7.
Described organic silicon-fluorine monomer is selected from the compound with following molecular formula:
Wherein, n, m, p are the polymerization degree, its numerical range respectively: n is 2-11, m be 2-7, p is 2-15; End group is vinyl-CH=CH2; R
1, R
2be selected from methyl ,-CH2CH2CF3 ,-CH2CF3 or-CF3, R
1, R
2identical or different.
Described acrylic monomer is selected from one or more in methyl methacrylate, methyl acrylate, β-dimethyl-aminoethylmethacrylate, ethyl propenoate, butyl methacrylate, butyl acrylate.
Described catalyzer is selected from one or more in Diisopropyl azodicarboxylate, benzoyl peroxide, Potassium Persulphate, ammonium persulphate.
Described emulsifying agent is selected from one or more in gum arabic, sodium alkyl benzene sulfonate, sorbitol, fatty acid ester emulsifying agent, phosphatide emulsifier, sugared lipid emulsifiers.
Described filler is selected from one or more in talcum powder, silica powder, mica powder, white carbon black, calcium carbonate, carbon black.
Described pH value conditioning agent is common acid alkaline solution, comprises hydrochloric acid, sulfuric acid, phosphoric acid, sodium hydroxide, potassium hydroxide solution, and concentration range is 0.01-1.2mol/L.
Described pigment comprises that Pigment Yellow 73, pigment are orange, Pigment red, pigment violet, Pigment blue, Pigment green, pigment brown, Pigment black, Pigment white or metallic pigment.
Described thixotropic agent is selected from one or more in aerosil, organobentonite, hydrogenated castor oil, polyamide wax.
A preparation method for high efficiency, low cost lotus leaf paint, comprises the following steps:
(1) raw material is prepared by following composition and weight part: organic silicon-fluorine monomer 100, acrylic monomer 24.5-250.6, catalyzer 0.3-8.5, emulsifying agent 10-38.7, filler 14.2-159.6, pH value conditioning agent 0.8-34.2, pigment 0-11.2, thixotropic agent 0.3-88.7;
(2) organic silicon-fluorine monomer, acrylic monomer, emulsifying agent are added mulser, high-speed stirring emulsification 10-25 minute, make stable emulsion, then catalyzer is added, be warming up to 65-86 DEG C, be cooled to room temperature after stirring and refluxing 0.5-1.5 hour, add pH value conditioning agent and regulate pH value to 7.4-8.5, discharging;
(3) primary products of preparation are added thixotropic agent, pigment and filler, obtained the finished product.
Compared with prior art, the present invention has following beneficial effect:
The present invention adopts all industrialized monomer, the good lotus leaf paint of effect is prepared with simple emulsion polymerisation process, the contact angle of the lotus leaf paint prepared by present method is reached 139 ° (water), have excellent hydrophobic ability and good self-cleaning function, belong to high efficiency, low cost lotus leaf paint, complete processing is simple simultaneously, easy to operate, do not comprise harmful composition, can be good at the demand meeting existing market, there is wide market development prospect.
Embodiment
The present invention is described in detail below in conjunction with each embodiment.
Embodiment 1
By 100 parts of (weight parts, lower with) emulsification 12 minutes in mulser of methyl vinyl silicone rubber (R1 be methyl, R2 be-CH2CH2CF3, weight-average molecular weight=3000), 92 parts of methyl acrylates and 16 parts of sorbitols, after add 8 parts of Diisopropyl azodicarboxylates, be warming up to 70 DEG C, stirring and refluxing 1 hour, drop to room temperature, regulate pH value=7.9, discharging, add 25 parts of aerosils (particle diameter 400nm), 30 parts of calcium carbonate, 12 parts of mica powders, obtained the finished product.
Embodiment 2
By the emulsification 15 minutes in mulser of 100 parts of methyl vinyl silicone rubbers (R1 be methyl, R2 be-CH2CF3, weight-average molecular weight=4000), 102 parts of methyl methacrylates and 11 parts of gum arabics, after add 8 parts of Diisopropyl azodicarboxylates, be warming up to 70 DEG C, stirring and refluxing 1 hour, drops to room temperature, regulate pH value=8.4, discharging, adds 35 parts of polyamide waxes, 50 parts of calcium carbonate, 12 parts of mica powders, obtained the finished product.
Embodiment 3
By the emulsification 22 minutes in mulser of 100 parts of methyl vinyl silicone rubbers (R1 be methyl, R2 be-CH2CH2CF3, weight-average molecular weight=5000), 82 parts of butyl acrylates and 21 parts of sorbitols, after add 8 parts of benzoyl peroxides, be warming up to 70 DEG C, stirring and refluxing 1 hour, drops to room temperature, regulate pH value=7.9, discharging, adds 33 parts of aerosils (particle diameter 400nm), 30 parts of calcium carbonate, 12 parts of mica powders, obtained the finished product.
Embodiment 4
By the emulsification 12 minutes in mulser of 100 parts of methyl vinyl silicone rubbers (R1 be methyl, R2 be-CF3, weight-average molecular weight=3000), 144 parts of ethyl propenoates and 18 parts of sorbitols, after add 8 parts of benzoyl peroxides, be warming up to 70 DEG C, stirring and refluxing 1 hour, drops to room temperature, regulate pH value=7.5, discharging, adds 25 parts of organobentonites, 40 parts of calcium carbonate, 18 parts of mica powders, obtained the finished product.
The catalysis PTT polymerization velocity parameter comparison of embodiment 1-4 is in table 1.
Table 1
| Index | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Contact angle (water) | 136 | 120 | 139 | 122 |
Embodiment 5
By 100 parts of organic silicon-fluorine monomers, (R1 is methyl, R2 is methyl, n is 2, m is 7, p is 2), 24.5 parts of β-dimethyl-aminoethylmethacrylates, 10 parts of sodium alkyl benzene sulfonates add mulser, high-speed stirring emulsification 10 minutes, makes stable emulsion, then adds 0.3 part of catalyzer Potassium Persulphate, be warming up to 65 DEG C, stirring and refluxing was cooled to room temperature after 0.5 hour, and adding hydrochloric acid soln that 0.3 part of concentration is 1.2mol/L and 0.5 part of concentration is that the sodium hydroxide solution of 0.85mol/L regulates pH value to 7.4, discharging; The primary products of preparation are added 0.3 part of hydrogenated castor oil, 0.3 part of Pigment green and 14.2 parts of talcum powder, obtained the finished product.
Embodiment 6
By 100 parts of organic silicon-fluorine monomers (R1 is-CH2CH2CF3, R2 for-CH2CF3, n be 11, m is 2, p is 15), 250.6 parts of β-dimethyl-aminoethylmethacrylates and butyl methacrylate (weight ratio 1:2), 38.7 parts of phosphatide emulsifiers add mulser, high-speed stirring emulsification 25 minutes, make stable emulsion, then 8.5 parts of catalyzer ammonium persulphates are added, be warming up to 86 DEG C, stirring and refluxing was cooled to room temperature after 1.5 hours, add the potassium hydroxide solution adjustment pH value to 8.5 that 34.2 parts of concentration are 0.01mol/L, discharging; The primary products of preparation are added 88.7 parts of organobentonites and hydrogenated castor oil (weight ratio 3:1), 11.2 parts of metallic pigment and 159.6 parts of silica powders, obtained the finished product.
Embodiment 7
By 100 parts of organic silicon-fluorine monomers, (R1 is-CF3, R2 is methyl, n is 8, m is 5, p is 12), 200 parts of methyl methacrylates, 30 parts of sodium alkyl benzene sulfonates add mulser, high-speed stirring emulsification 20 minutes, makes stable emulsion, then adds 5.5 parts of catalyzer Diisopropyl azodicarboxylates, be warming up to 80 DEG C, stirring and refluxing was cooled to room temperature after 1.5 hours, and adding phosphoric acid solution that 8 parts of concentration are 0.8mol/L and 12 parts of concentration is that the sodium hydroxide solution of 0.8 mol/L regulates pH value to 8, discharging; The primary products of preparation are added 65 parts of polyamide waxes, 6 parts of Pigment blacks and 100 parts of carbon blacks, obtained the finished product.
Be only several specific embodiments of the application above, but the application is not limited thereto, the changes that any person skilled in the art can think of, all should drops in the protection domain of the application.
Claims (10)
1. a high efficiency, low cost lotus leaf paint, is characterized in that, comprises following composition and weight part:
Described organic silicon-fluorine monomer is selected from the compound with following molecular formula:
Wherein, n, m, p are the polymerization degree, its numerical range respectively: n is 2-11, m be 2-7, p is 2-15; End group is vinyl-CH=CH
2; R1, R2 are selected from methyl ,-CH
2cH
2cF
3,-CH
2cF
3or-CF
3, R1, R2 are identical or different.
2. a kind of high efficiency, low cost lotus leaf paint as claimed in claim 1, it is characterized in that, described acrylic monomer is selected from one or more in methyl methacrylate, methyl acrylate, β-dimethyl-aminoethylmethacrylate, ethyl propenoate, butyl methacrylate, butyl acrylate.
3. a kind of high efficiency, low cost lotus leaf paint as claimed in claim 1, it is characterized in that, described catalyzer is selected from one or more in Diisopropyl azodicarboxylate, benzoyl peroxide, Potassium Persulphate, ammonium persulphate.
4. a kind of high efficiency, low cost lotus leaf paint as claimed in claim 1, is characterized in that, described emulsifying agent is selected from one or more in gum arabic, sodium alkyl benzene sulfonate, sorbitol, fatty acid ester emulsifying agent, phosphatide emulsifier, sugared lipid emulsifiers.
5. a kind of high efficiency, low cost lotus leaf paint as claimed in claim 1, it is characterized in that, described filler is selected from one or more in talcum powder, silica powder, mica powder, white carbon black, calcium carbonate, carbon black.
6. a kind of high efficiency, low cost lotus leaf paint as claimed in claim 1, is characterized in that, described pH value regulator is common acid alkaline solution, and concentration range is 0.01-1.2mol/L.
7. a kind of high efficiency, low cost lotus leaf paint as described in claim 1 or 6, is characterized in that, described pH value regulator be selected from hydrochloric acid, sulfuric acid, phosphoric acid, sodium hydroxide, potassium hydroxide solution one or more.
8. a kind of high efficiency, low cost lotus leaf paint as claimed in claim 1, is characterized in that, described pigment is selected from that Pigment Yellow 73, pigment are orange, Pigment red, pigment violet, Pigment blue, Pigment green, pigment brown, Pigment black, Pigment white or metallic pigment.
9. a kind of high efficiency, low cost lotus leaf paint as claimed in claim 1, it is characterized in that, described thixotropic agent is selected from one or more in aerosil, organobentonite, hydrogenated castor oil, polyamide wax.
10. a preparation method for high efficiency, low cost lotus leaf paint as claimed in claim 1, is characterized in that, comprise the following steps:
(1) raw material is prepared by following composition and weight part: organic silicon-fluorine monomer 100, acrylic monomer 24.5-250.6, catalyzer 0.3-8.5, emulsifying agent 10-38.7, filler 14.2-159.6, pH value regulator 0.8-34.2, pigment 0-11.2, thixotropic agent 0.3-88.7;
(2) organic silicon-fluorine monomer, acrylic monomer, emulsifying agent are added mulser, high-speed stirring emulsification 10-25 minute, make stable emulsion, then catalyzer is added, be warming up to 65-86 DEG C, be cooled to room temperature after stirring and refluxing 0.5-1.5 hour, add pH value regulator adjust ph to 7.4-8.5, discharging;
(3) primary products of preparation are added thixotropic agent, pigment and filler, obtained the finished product.
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|---|---|---|---|
| CN201010559934.0A CN102477244B (en) | 2010-11-26 | 2010-11-26 | Efficient and low cost lotus leaf paint, and preparation method thereof |
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| CN104804592A (en) * | 2015-05-08 | 2015-07-29 | 杨永荣 | Lotus leaf paint and preparation method thereof |
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|---|---|---|---|---|
| CN103640278A (en) * | 2013-11-29 | 2014-03-19 | 江苏大学 | Copper sheet with super-hydrophobic surface and preparation method thereof |
Citations (1)
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| CN101575219A (en) * | 2008-05-05 | 2009-11-11 | 铜陵麒麟涂料有限责任公司 | Water-based encarpus tile coating and preparation method thereof |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101575219A (en) * | 2008-05-05 | 2009-11-11 | 铜陵麒麟涂料有限责任公司 | Water-based encarpus tile coating and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 含氟硅烷及其聚合物的合成与应用;刘新烁;《有机硅材料》;20031231;第17卷(第6期);第26-29,46页 * |
| 有机氟硅改性丙烯酸酯共聚物乳液的研究;邱俊英等;《涂料工业》;20080831;第38卷(第8期);第37-39页 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104804592A (en) * | 2015-05-08 | 2015-07-29 | 杨永荣 | Lotus leaf paint and preparation method thereof |
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