CN104946030A - Super hydrophobic coating composition - Google Patents
Super hydrophobic coating composition Download PDFInfo
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- CN104946030A CN104946030A CN201510348208.7A CN201510348208A CN104946030A CN 104946030 A CN104946030 A CN 104946030A CN 201510348208 A CN201510348208 A CN 201510348208A CN 104946030 A CN104946030 A CN 104946030A
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Abstract
The invention discloses a super hydrophobic coating composition, which aims to solve the problems that existing super hydrophobic coatings are poor in abrasive resistance, poor in adhesive force to many base materials such as plastics and glass and the like and are limited in using and the like. The super hydrophobic coating composition uses primers and top coatings, wherein the primers comprise 10-30 parts of chlorinated polypropylene resins, 3-8 parts of polypropylene micropowder and 30-70 parts of ethyl acetates, and the top coatings comprise 15-30 parts of low surface energy resins, 5-15 parts of hydrophobic nanoparticles and 30-70 parts of ethyl acetates.
Description
Technical field
The present invention relates to a kind of coating, particularly relate to a kind of super hydrophobic coating composition be made up of base paint and coating materials.
Background technology
Super hydrophobic coating, as a emerging product, because it has excellent water-repellancy, didirtresistance and self-cleaning, is constantly pursued in recent years.Super-hydrophobic product is widely used in the fields such as outdoor antenna, anticorrosion of steel structure, external wall waterproof are antifouling, steamer.Develop a kind of super-hydrophobicity, wear resistance and persistence, and have good adhering super hydrophobic coating to have a very big significance to different substrate materials.
Published super hydrophobic coating is mainly with the single hydrophobic coating that usual resins or resin with low surface energy form in conjunction with hydrophobic granule, and wear resistance and the persistence of this kind of hydrophobic coating are poor, and comparatively limit to the suitability of different substrate materials.
Chinese patent CN101143989 discloses a kind of by organosilane gel precursor and silicone oil and the molecular hydrophobic coating of nanoparticle, this hydrophobic coating can produce super-hydrophobic interface under specific circumstances, but what it utilized is silane gel precursor, complicated process of preparation and there is greater risk, the hydrophobic interfaces constructed changes with the molecular weight of gel precursor, hydrophobicity is unstable and the silicone based sticking power of coating to the base material such as plastics, glass is poor, and its scope of application exists limitation.
The disclosed one of Chinese patent CN101643622 and Chinese patent CN102453425 is binding agent with furfuryl alcohol resin; with the super hydrophobic coating that single hydrophobic granule or micron powder particle are filler; production technique is simple; certain hydrophobic effect can be played; but its hydrophobicity is poor, poor to the suitability of the multiple base material such as plastics, glass.
It is low surface energy binding agent that Chinese patent CN102417773, Chinese patent CN102660182, Chinese patent CN103666173 and Chinese patent CN103642378 disclose four kinds with fluoroacrylic resin, hydrophobic nano-particles is the hydrophobic coating of filler composition, under specific occasion, it can play good super-hydrophobic effect, but its wear resistance is poor, will ultra-hydrophobicity be lost through of short duration wind erosion or friction, poor to the sticking power of the multiple base material such as plastics, glass, use restricted.
Summary of the invention
The object of the invention is to the deficiency overcoming prior art existence, provide a kind of and there is super-hydrophobicity, good wear resistance and persistence, and to various base material, all there is good adhering super hydrophobic coating composition.
For reaching above-mentioned purpose, a kind of super hydrophobic coating composition of the present invention is made up of base paint and coating materials, and base paint comprises the composition of following massfraction: 10-30 part chlorinated polypropylene, 3-8 part plastics micro mist, 30-70 part ethyl acetate; Coating materials comprises the composition of following massfraction: 15-30 part resin with low surface energy, 5-15 part hydrophobic nanoparticles, 30-70 part ethyl acetate.
Further, the cl content of described chlorinated polypropylene is 20%-25%.
Further, described plastics micro mist comprises one or more mixtures in PP, PET, PEEK, and its size distribution is 10-50 micron.
Further, described resin with low surface energy is siliceous modified fluorin resin, its single coating hydrophobic angle >=110 °, and its molecular formula is:
CF3(CF2)n1CH(CF2)n2CH2CH2OCH2Si(OEt)3
︱
CH2OCOCH3
n
1,n
2=3-7。
Further, described hydrophobic nanoparticles comprises the mixture of one or more in dewatering nano white carbon black, hydrophobic nano-titanium dioxide and ptfe micropowder, and its particle diameter is 50-200 nanometer.
Further, described micron order polypropylene powder and nano level hydrophobic silicic aerogels, by twice coating, form micro-/ nano concaveconvex structure on surface.
The construction technology of above-mentioned super hydrophobic coating, comprises the following steps:
(1) the oils dunghill of substrate surface is removed;
(2) uniform by primer sprays on base material, dry 10-20 minute;
(3) uniformly coating materials is sprayed on base paint, after dry several minutes, can tentatively shows super-hydrophobic effect.
Beneficial effect of the present invention is mainly manifested in:
1, the invention provides and a kind of there is excellent super-hydrophobicity, wear resistance and persistence, and to different substrate materials, all there is good adhering super hydrophobic coating composition.
2, the present invention adopts chlorinated polypropylene as the binding agent of base paint, can bond with multiple substrate surface, even has good adhesivity to the sticky material of the difficulty such as acrylic plastering, glass.
3, the present invention adopts chlorinated polypropylene as base paint, still has certain viscosity in film forming rear surface, can adhere to, increase its wear resistance and persistence to the hydrophobic granule of coating materials.
4, base paint of the present invention adopts micron order polypropylene GRANULES, and coating materials adopts nano level hydrophobic granule, by twice coating, form micro-/ nano concaveconvex structure on surface, the resin with low surface energy of mating surface coating, forms super-hydrophobic interface, static hydrophobic angle >=150 °, roll angle≤5 °.
embodimentthe following stated embodiment describes the present invention in detail.In these embodiments, unless otherwise indicated, all numbers and percentages being by weight.
embodiment 1:
Prepared by base paint: be dissolved in by 10 parts of Chlorinated Polypropylene IIIs in 30 parts of ethyl acetate solvents, be dispersed in chlorinated polypropylene solution by 3 parts of PP micro mist high-speed stirring;
Prepared by coating materials: mixed with 30 parts of ethyl acetate by 15 parts of siliceous modified fluorin resins, add 5 parts of dewatering nano white carbon blacks, high-speed stirring disperses 30 minutes;
embodiment 2:
Prepared by base paint: be dissolved in by 15 parts of Chlorinated Polypropylene IIIs in 45 parts of ethyl acetate solvents, be dispersed in chlorinated polypropylene solution by 3 parts of PP micro mists and 4 parts of PET micro mist high-speed stirring;
Prepared by coating materials: mixed with 60 parts of ethyl acetate by 20 parts of siliceous modified fluorin resins, add 15 parts of hydrophobic nano-titanium dioxides, high-speed stirring disperses 30 minutes;
embodiment 3:
Prepared by base paint: be dissolved in by 12 parts of Chlorinated Polypropylene IIIs in 45 parts of ethyl acetate solvents, be dispersed in chlorinated polypropylene solution by 6 parts of PET micro mist high-speed stirring;
Prepared by coating materials: mixed with 70 parts of ethyl acetate by 25 parts of siliceous modified fluorin resins, add 10 parts of nano level ptfe micropowders, high-speed stirring disperses 30 minutes;
embodiment 4:
Prepared by base paint: be dissolved in by 25 parts of Chlorinated Polypropylene IIIs in 70 parts of ethyl acetate solvents, be dispersed in chlorinated polypropylene solution by 5 parts of PP micro mists and 1 part of PEEK micro mist high-speed stirring;
Prepared by coating materials: mixed with 60 parts of ethyl acetate by 18 parts of siliceous modified fluorin resins, add 3 parts of dewatering nano white carbon blacks and 9 parts of nano level ptfe micropowders, high-speed stirring disperses 30 minutes;
embodiment 5:
Prepared by base paint: be dissolved in by 19 parts of Chlorinated Polypropylene IIIs in 65 parts of ethyl acetate solvents, be dispersed in chlorinated polypropylene solution by 6 parts of PEEK micro mist high-speed stirring;
Prepared by coating materials: mixed with 45 parts of ethyl acetate by 23 parts of siliceous modified fluorin resins, add 2 parts of hydrophobic nano-titanium dioxides and 7 parts of nano level ptfe micropowders, high-speed stirring disperses 30 minutes;
embodiment 6:
Prepared by base paint: be dissolved in by 30 parts of Chlorinated Polypropylene IIIs in 70 parts of ethyl acetate solvents, be dispersed in chlorinated polypropylene solution by 8 parts of PP micro mist high-speed stirring;
Prepared by coating materials: mixed with 70 parts of ethyl acetate by 30 parts of siliceous modified fluorin resins, add 5 parts of dewatering nano white carbon blacks and 10 parts of Nano titanium dioxides, high-speed stirring disperses 30 minutes;
the corresponding technical indicator of embodiment is as shown in the table:
| Hydrophobic angle | Roll angle | Sticking power | |
| Embodiment 1 | 150° | 5° | 1 grade |
| Embodiment 2 | 150° | 5° | 1 grade |
| Embodiment 3 | 152° | 4° | 1 grade |
| Embodiment 4 | 151° | 4° | 1 grade |
| Embodiment 5 | 153° | 4° | 1 grade |
| Embodiment 6 | 150° | 4° | 1 grade |
| Base paint | 20° | Nothing | 1 grade |
| Coating materials | 120° | 30° | 7 grades |
Claims (5)
1. a super hydrophobic coating composition, is characterized in that it is made up of following weight parts:
A. base paint: its composition comprises 10-30 part chlorinated polypropylene, 3-8 part polypropylene micro mist, 30-70 part ethyl acetate;
B. coating materials: its composition comprises 15-30 part resin with low surface energy, 5-15 part hydrophobization nano particle, 30-70 part ethyl acetate.
2. a kind of super hydrophobic coating composition according to claim 1, is characterized in that: the cl content of described chlorinated polypropylene is 20%-25%.
3. a kind of super hydrophobic coating composition according to claim 1, it is characterized in that: described plastics micro mist comprises one or more mixtures in PP, PET, PEEK, its size distribution is 10-50 micron.
4. a kind of super hydrophobic coating composition according to claim 1, is characterized in that: described resin with low surface energy is siliceous modified fluorin resin, its single coating hydrophobic angle >=110 °, and its molecular formula is:
CF3(CF2)n1CH(CF2)n2CH2CH2OCH2Si(OEt)3
︱
CH2OCOCH3
n
1,n
2=3-7。
5. a kind of super hydrophobic coating composition according to claim 1, it is characterized in that: described hydrophobic nanoparticles comprises one or more mixtures in dewatering nano white carbon black, hydrophobic nano-titanium dioxide and ptfe micropowder, its size distribution is 50-200 nanometer.
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| CN201510348208.7A CN104946030B (en) | 2015-06-23 | 2015-06-23 | A kind of super hydrophobic coating composition |
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| CN201510348208.7A CN104946030B (en) | 2015-06-23 | 2015-06-23 | A kind of super hydrophobic coating composition |
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| CN104946030B CN104946030B (en) | 2018-03-02 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105647290A (en) * | 2016-01-14 | 2016-06-08 | 北京易净星科技有限公司 | Super-hydrophobic coating capable of being used underwater and preparation and application method thereof |
| CN106398334A (en) * | 2016-09-09 | 2017-02-15 | 东南大学 | Super-wear-resisting super-hydrophobic coating and preparation method thereof |
| CN106833371A (en) * | 2017-02-15 | 2017-06-13 | 北京恒通绿建节能科技有限公司 | A kind of anti-condensation coating and surface have radiation tail end, radiator and the air-conditioning system of the anti-condensation coating |
| CN107760120A (en) * | 2017-11-08 | 2018-03-06 | 佛山市其右医疗科技有限公司 | A kind of polytetrafluorethylecoatings coatings composition for seal wire surface |
| CN107762237A (en) * | 2017-11-20 | 2018-03-06 | 浙江工业大学之江学院 | A kind of anti-corrosion insulation multifunction power shaft tower |
| CN108767473A (en) * | 2018-04-28 | 2018-11-06 | 安徽四创电子股份有限公司 | A kind of manufacturing method of high hydrophobicity antenna house |
| CN109574591A (en) * | 2018-12-21 | 2019-04-05 | 科顺防水科技股份有限公司 | A kind of leveling mortar with water-proof function |
| CN110607129A (en) * | 2019-07-26 | 2019-12-24 | 北京诚和龙盛工程技术有限公司 | Decontamination self-cleaning insulator protective agent and preparation method thereof |
| CN110799162A (en) * | 2017-06-30 | 2020-02-14 | 宝洁公司 | Disposable absorbent article with surface modified topsheet |
| CN112890363A (en) * | 2021-02-04 | 2021-06-04 | 福建省莆田市协龙鞋业有限公司 | Method for manufacturing antibacterial breathable leather-surface children shoes |
| CN113755096A (en) * | 2021-09-03 | 2021-12-07 | 珠海领航电气有限公司 | Long-acting anti-icing coating for high-voltage facilities and preparation method thereof |
| CN115418165A (en) * | 2022-08-12 | 2022-12-02 | 天津大学 | Environment-friendly fouling organism protective coating (film) and preparation and application methods thereof |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105647290B (en) * | 2016-01-14 | 2018-05-15 | 北京易净星科技有限公司 | The super hydrophobic coating and its preparation and application that can be used under water |
| CN105647290A (en) * | 2016-01-14 | 2016-06-08 | 北京易净星科技有限公司 | Super-hydrophobic coating capable of being used underwater and preparation and application method thereof |
| CN106398334A (en) * | 2016-09-09 | 2017-02-15 | 东南大学 | Super-wear-resisting super-hydrophobic coating and preparation method thereof |
| CN106398334B (en) * | 2016-09-09 | 2019-07-26 | 东南大学 | A kind of super abrasive super-hydrophobic coat and preparation method thereof |
| CN106833371A (en) * | 2017-02-15 | 2017-06-13 | 北京恒通绿建节能科技有限公司 | A kind of anti-condensation coating and surface have radiation tail end, radiator and the air-conditioning system of the anti-condensation coating |
| CN106833371B (en) * | 2017-02-15 | 2019-11-08 | 中安瑞材(北京)科技有限公司 | A kind of anti-condensation coating and surface have radiation tail end, radiator and the air-conditioning system of the anti-condensation coating |
| CN110799162A (en) * | 2017-06-30 | 2020-02-14 | 宝洁公司 | Disposable absorbent article with surface modified topsheet |
| CN107760120A (en) * | 2017-11-08 | 2018-03-06 | 佛山市其右医疗科技有限公司 | A kind of polytetrafluorethylecoatings coatings composition for seal wire surface |
| CN107762237A (en) * | 2017-11-20 | 2018-03-06 | 浙江工业大学之江学院 | A kind of anti-corrosion insulation multifunction power shaft tower |
| CN108767473A (en) * | 2018-04-28 | 2018-11-06 | 安徽四创电子股份有限公司 | A kind of manufacturing method of high hydrophobicity antenna house |
| CN108767473B (en) * | 2018-04-28 | 2021-07-06 | 安徽四创电子股份有限公司 | Manufacturing method of high-hydrophobicity antenna housing |
| CN109574591B (en) * | 2018-12-21 | 2021-10-26 | 科顺防水科技股份有限公司 | Leveling mortar with waterproof function |
| CN109574591A (en) * | 2018-12-21 | 2019-04-05 | 科顺防水科技股份有限公司 | A kind of leveling mortar with water-proof function |
| CN110607129A (en) * | 2019-07-26 | 2019-12-24 | 北京诚和龙盛工程技术有限公司 | Decontamination self-cleaning insulator protective agent and preparation method thereof |
| CN110607129B (en) * | 2019-07-26 | 2021-10-19 | 北京诚和龙盛工程技术有限公司 | Decontamination self-cleaning insulator protective agent and preparation method thereof |
| CN112890363A (en) * | 2021-02-04 | 2021-06-04 | 福建省莆田市协龙鞋业有限公司 | Method for manufacturing antibacterial breathable leather-surface children shoes |
| CN112890363B (en) * | 2021-02-04 | 2022-03-15 | 福建省莆田市协龙鞋业有限公司 | Preparation method of antibacterial breathable leather-surface children shoes |
| CN113755096A (en) * | 2021-09-03 | 2021-12-07 | 珠海领航电气有限公司 | Long-acting anti-icing coating for high-voltage facilities and preparation method thereof |
| CN115418165A (en) * | 2022-08-12 | 2022-12-02 | 天津大学 | Environment-friendly fouling organism protective coating (film) and preparation and application methods thereof |
| CN115418165B (en) * | 2022-08-12 | 2023-10-03 | 天津大学 | Environment-friendly fouling organism protective coating (film) and preparation and application methods thereof |
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| CN104946030B (en) | 2018-03-02 |
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