CN1903961B - Lotus leaf effect self cleaning fluorocarbon paint - Google Patents
Lotus leaf effect self cleaning fluorocarbon paint Download PDFInfo
- Publication number
- CN1903961B CN1903961B CN2006100291604A CN200610029160A CN1903961B CN 1903961 B CN1903961 B CN 1903961B CN 2006100291604 A CN2006100291604 A CN 2006100291604A CN 200610029160 A CN200610029160 A CN 200610029160A CN 1903961 B CN1903961 B CN 1903961B
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- CN
- China
- Prior art keywords
- lotus leaf
- solvent
- agent
- self cleaning
- leaf effect
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 238000004140 cleaning Methods 0.000 title claims abstract description 16
- 240000002853 Nelumbo nucifera Species 0.000 title claims abstract description 15
- 235000006508 Nelumbo nucifera Nutrition 0.000 title claims abstract description 15
- 235000006510 Nelumbo pentapetala Nutrition 0.000 title claims abstract description 15
- 230000000694 effects Effects 0.000 title claims abstract description 15
- 239000003973 paint Substances 0.000 title claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 17
- 239000011347 resin Substances 0.000 claims abstract description 17
- 229920005989 resin Polymers 0.000 claims abstract description 17
- 239000002904 solvent Substances 0.000 claims abstract description 17
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 10
- 239000002245 particle Substances 0.000 claims abstract description 8
- 239000000049 pigment Substances 0.000 claims abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 239000002270 dispersing agent Substances 0.000 claims description 8
- 238000009736 wetting Methods 0.000 claims description 8
- 239000012752 auxiliary agent Substances 0.000 claims description 6
- 239000013530 defoamer Substances 0.000 claims description 6
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 5
- 229910052731 fluorine Inorganic materials 0.000 claims description 5
- 239000011737 fluorine Substances 0.000 claims description 5
- 150000002148 esters Chemical class 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 229910002012 Aerosil® Inorganic materials 0.000 claims description 2
- 150000001242 acetic acid derivatives Chemical class 0.000 claims description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000012948 isocyanate Substances 0.000 claims 1
- 150000002513 isocyanates Chemical group 0.000 claims 1
- 238000005829 trimerization reaction Methods 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract description 12
- 238000000576 coating method Methods 0.000 abstract description 12
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 229910052710 silicon Inorganic materials 0.000 abstract description 2
- 239000010703 silicon Substances 0.000 abstract description 2
- 239000002671 adjuvant Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000002156 mixing Methods 0.000 abstract 1
- -1 silicon modified fluorocarbon Chemical class 0.000 abstract 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 12
- 238000003756 stirring Methods 0.000 description 11
- 238000007599 discharging Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000032683 aging Effects 0.000 description 5
- 229910021485 fumed silica Inorganic materials 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 4
- 239000004408 titanium dioxide Substances 0.000 description 4
- 239000005995 Aluminium silicate Substances 0.000 description 3
- 235000012211 aluminium silicate Nutrition 0.000 description 3
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000013638 trimer Substances 0.000 description 3
- 239000006229 carbon black Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
Abstract
The present invention belongs to the field of self-cleaning coating technology. In the concrete, it relates to a self-cleaning fluorocarbon coating with lotus leaf effect. It is made up by using organic silicon modified fluorocarbon resin, solidifying agent, hydrophobic particles, pigment, filling material, adjuvant and solvent according to the mixing ratio of 1:0.1-0.3:0.03-0.1:0-0.36:0-0.1:0.01-0.05:0.1-0.3 through a certain preparation process.
Description
Technical field
The invention belongs to the self-cleaning coating technical field, be specifically related to a kind of lotus leaf effect self cleaning fluorocarbon paint.
Technical background
Fluorocarbon coating is to be the coating of main film forming matter with fluorine resin, and its principal feature is the F-C key that contains in the resin, is difficult to fracture under the effect that is subjected to light, heat, demonstrates superpower anti-pollution, weathering resistance and chemical resistant properties.The fluorocarbon coating of fluorine resin is widely used in fields such as building, chemical industry, machinery, aerospace, household supplies.
The coating scarce capacity of anti-the contamination makes the ubiquitous common problem of exterior coating, also is the outstanding technical barrier that restriction China exterior coating is applied.Generally adopt both at home and abroad the low fluorocarbon resin of surface energy, organosilicon modified crylic acid resin or in coating, add fluorine-containing, contain silicon additive and reduce adhering to of pollutent, thereby improve the contamination resistance of coating.But China's Air quality is generally relatively poor, and especially dust and suspended particle content are seriously polluted, is limited to the complexity of different territorial environments, weather condition and source of pollution, and above-mentioned technology also has certain inadaptability and limitation.
Summary of the invention
The object of the present invention is to provide a kind of lotus leaf effect self cleaning fluorocarbon paint.
The present invention proposes has lotus leaf effect self cleaning fluorocarbon paint, is combined by following weight ratio by organic-silicon-modified fluorocarbon resin, solidifying agent, hydrophobic particles, pigment, filler, auxiliary agent and solvent:
Organic-silicon-modified fluoro-resin: solidifying agent: hydrophobic particles: pigment: filler: auxiliary agent: solvent=1:0.1～0.3:0.03～0.1:
0～0.35：0～0.1：0.01～0.05：0.1～0.3。
Wherein, the solid content of described organic-silicon-modified fluorocarbon resin is 70～85%, and hydroxyl value is 25～100mgKOH/g, and acid number is 2～12mgKOH/g, and fluorine content is 12～45%, and organosilicon content is 1%～8%.
Described solidifying agent is isocyanic ester (HDI) tripolymer or the isocyanic ester performed polymer that contains the NCO group.
Described hydrophobic particles is the hydrophobic nano aerosil.
Described solvent is one or more mixtures of alkanones, aromatic hydrocarbons or the common solvent of acetates.
Described filler is one or more of Rutile type Titanium Dioxide, kaolin, carbon black, and described auxiliary agent is conventional Ricinate, flow agent and the defoamer etc. that use.
The present invention is a main film forming substance with the organic-silicon-modified fluorocarbon resin of low surface energy, makes pollutent be difficult for sticking.Add nano fumed silica simultaneously with super-hydrophobicity, make film coated surface possess the hydrophobic coarse structure of microcosmic, the little of similar lotus leaf surface dashes forward, reduce pollutent and the contact area of filming, increase further increases the hydrophobicity of film coated surface to the surface contact angle of water, thereby reduces the roll angle of water, rainwater is washed away easily, and dust is cleaned easily.
Lotus leaf effect self cleaning fluorocarbon paint provided by the invention, two-component coating preparation routinely can obtain high-weatherability, enhanced water resistance, high stain resistance, and what mechanicalness and glossiness were good films.Artificial accelerated aging 5000h, the loss of gloss rate is 5～10%, paint film is water-fast to be scrubbed〉20000 times, sticking power is good, is used for the exterior wall dress and is coated with, and the estimated service life can reach more than 15 years.
Embodiment
Below by embodiment embodiment of the present invention are described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1
In still, add the organic-silicon-modified fluoro-resin of 400kg, 4kg wetting dispersing agent and 60kg solvent, add the 100kg Rutile type Titanium Dioxide after stirring again, carry out sand milling after pre-dispersed, be ground to fineness≤25 μ m, add 4kg flow agent, 2.5kg defoamer, 1.5kg wetting dispersing agent and 12kg nano fumed silica then, stirred 1 hour, and filtered discharging and get the first component.
Add the 80kgHDI trimer curing agent in still, the 20kg solvent stirs, and filters discharging and gets the second component.
During use, according to weight part first component: second component=5:1 uses at the back that stirs.
Embodiment 1 gained lotus leaf effect self cleaning fluorocarbon paint is filmed to 102 ° of water contact angles, 5000 hours no changes of ageing resistance, 1000 hours no changes of salt fog resistance.
Embodiment 2
In still, add the organic-silicon-modified fluoro-resin of 400kg, 30kg solvent, add 1kg flow agent, 1kg defoamer, 2kg wetting dispersing agent and 32kg nano fumed silica, stirred 2 hours, filter discharging and get the first component.
Add the 40kgHDI trimer curing agent in still, the 10kg solvent stirs, and filters discharging and gets the second component.
During use, according to weight part first component: second component=5:1 uses at the back that stirs.
Embodiment 2 gained lotus leaf effect self cleaning fluorocarbon paints are filmed to 125 ° of water contact angles, 5000 hours no changes of ageing resistance, 1000 hours no changes of salt fog resistance.
Embodiment 3
In still, add the organic-silicon-modified fluoro-resin of 400kg, 10kg wetting dispersing agent and 90kg solvent, add the 80kg Rutile type Titanium Dioxide after stirring again, 25kg kaolin, the 10kg talcum powder carries out sand milling after the 5kg carbon black is pre-dispersed, is ground to fineness≤25 μ m, add 6kg flow agent, 3.5kg defoamer then, 1.5kg wetting dispersing agent and 24kg nano fumed silica, medium tenacity stirred 2 hours, filtered discharging and got the first component.
Add the 120kgIPDI trimer curing agent in still, the 30kg solvent stirs, and filters discharging and gets the second component.
During use, according to weight part first component: second component=5:1 uses at the back that stirs.
Embodiment 3 gained lotus leaf effect self cleaning fluorocarbon paints are filmed to 113 ° of water contact angles, 5000 hours no changes of ageing resistance, 1000 hours no changes of salt fog resistance.
Embodiment 4
In still, add the organic-silicon-modified fluoro-resin of 400kg, 5.5kg wetting dispersing agent and 90kg solvent, add 80kg Rutile type Titanium Dioxide, 12kg kaolin, 8kg talcum powder after stirring again, carry out sand milling after pre-dispersed, be ground to fineness≤25 μ m, add 3kg flow agent, 1.5kg defoamer then, 2kg wetting dispersing agent and 40kg nano fumed silica stirred 2 hours, filtered discharging and got the first component.
Add 120kgIPDI performed polymer solidifying agent in still, the 30kg solvent stirs, and filters discharging and gets the second component.
During use, according to weight part first component: second component=5:1 uses at the back that stirs.
Embodiment 4 gained lotus leaf effect self cleaning fluorocarbon paints are filmed to 120 ° of water contact angles, 5000 hours no changes of ageing resistance, 1000 hours no changes of salt fog resistance.
Claims (3)
1. a lotus leaf effect self cleaning fluorocarbon paint is characterized in that being combined by following weight ratio by organic-silicon-modified fluorocarbon resin, solidifying agent, hydrophobic particles, pigment, filler, auxiliary agent and solvent: organic-silicon-modified fluoro-resin: solidifying agent: hydrophobic particles: pigment: filler: auxiliary agent: solvent=1: 0.1～0.3: 0.03～0.1: 0～0.35: 0～0.1: 0.01～0.05: 0.1～0.3; Wherein:
The solid content of described organic-silicon-modified fluorocarbon resin is 70～85%, and hydroxyl value is 25～100mgKOH/g, and acid number is 2～12mgKOH/g, and fluorine content is 12～45%, and organosilicon content is 1%～8%;
Described solidifying agent is isocyanate trimerization body or the isocyanic ester performed polymer that contains the NCO group;
Described hydrophobic particles is the hydrophobic nano aerosil.
2. lotus leaf effect self cleaning fluorocarbon paint according to claim 1 is characterized in that described auxiliary agent is conventional flow agent, wetting dispersing agent and defoamer.
3. lotus leaf effect self cleaning fluorocarbon paint according to claim 1 is characterized in that described solvent is one or more mixtures of alkanones, aromatic hydrocarbons or acetates solvent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100291604A CN1903961B (en) | 2006-07-20 | 2006-07-20 | Lotus leaf effect self cleaning fluorocarbon paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100291604A CN1903961B (en) | 2006-07-20 | 2006-07-20 | Lotus leaf effect self cleaning fluorocarbon paint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1903961A CN1903961A (en) | 2007-01-31 |
| CN1903961B true CN1903961B (en) | 2011-05-18 |
Family
ID=37673331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100291604A Expired - Fee Related CN1903961B (en) | 2006-07-20 | 2006-07-20 | Lotus leaf effect self cleaning fluorocarbon paint |
Country Status (1)
| Country | Link |
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| CN (1) | CN1903961B (en) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100551980C (en) * | 2007-09-18 | 2009-10-21 | 深圳市明远氟涂料有限公司 | A kind of normal temperature solidifying fluorine-carbon coating for rubber roller |
| EP2098359A1 (en) * | 2008-03-04 | 2009-09-09 | Lm Glasfiber A/S | Regenerating surface properties for composites |
| CN101343450B (en) * | 2008-08-12 | 2010-06-23 | 无锡市虎皇漆业有限公司 | Plastic-aluminum sheet metal imitating paint and preparation thereof |
| CN101962514B (en) * | 2010-09-27 | 2013-07-10 | 复旦大学 | High-durability super-hydrophobic self-cleaning coating material and preparation method thereof |
| CN101967349B (en) * | 2010-10-27 | 2012-09-05 | 江苏科技大学 | PVF (Polyvinyl Fluoride) paint and preparation method thereof |
| CN102161864A (en) * | 2011-01-18 | 2011-08-24 | 天津游龙科技发展有限公司 | Preparation method and use of organic fIuorosiIane waterproofing agent |
| RU2490077C1 (en) * | 2011-12-13 | 2013-08-20 | Общество с ограниченной ответственностью Научно Производственный Центр "Квадра" | Composition for giving surface properties of self-cleaning based on lotus effect |
| CN102585625A (en) * | 2011-12-29 | 2012-07-18 | 陕西宝塔山油漆股份有限公司 | Waterborne fluorocarbon self-cleaning tunnel coating |
| CN103805004B (en) * | 2014-03-10 | 2016-07-06 | 北京中为三丰科技有限责任公司 | A kind of overlength is weather-proof, the antiseptic and rustproof fluorocarbon coating of salt spray resistance |
| CN104277610A (en) * | 2014-10-29 | 2015-01-14 | 安徽朗凯奇建材有限公司 | Self-cleaning waterproof paint with high weather resistance and preparation method of self-cleaning waterproof paint |
| CN104497774B (en) * | 2014-11-26 | 2017-02-22 | 深圳市兆新能源股份有限公司 | Haze-removal self-cleaning coating and preparation method thereof |
| CN104530852B (en) * | 2014-12-25 | 2017-04-05 | 杭州福斯特光伏材料股份有限公司 | A kind of preparation method of photovoltaic component back plate with high hydrophobic fluorocarbon coating |
| CN105621961A (en) * | 2015-12-26 | 2016-06-01 | 铃鹿复合建材（上海）有限公司 | Lotus-leaf-type texture coating |
| CN105419633B (en) * | 2015-12-29 | 2018-05-11 | 湖南自洁材料研究院有限公司 | A kind of bridge anti-corrosion self-cleaning paint of resistance to deicing salt corrosion |
| CN106318053B (en) * | 2016-08-22 | 2019-05-10 | 长江水利委员会长江科学院 | Concrete for hydraulic structure surface hydrophobicity resistant coating and its construction method |
| CN108912572B (en) * | 2018-08-21 | 2021-03-02 | 哈尔滨工业大学（威海） | Radiation-induced cooling film with self-cleaning function and preparation method thereof |
| CN109722106A (en) * | 2019-01-07 | 2019-05-07 | 浙江波磊涂料有限公司 | A kind of F-C paint and preparation method thereof |
| CN110894397A (en) * | 2019-12-10 | 2020-03-20 | 凯诗雷(上海)新材料有限公司 | Nano organic silicon protective coating |
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| CN1903961A (en) | 2007-01-31 |
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Effective date of registration: 20090925 Address after: Huaxin Town, Qingpu District of Shanghai City, Zhilu No. 1889 post encoding: 201708 Applicant after: SHANGHAI SHENZHEN ENTERPRISE DEVELOPMENT Co.,Ltd. Co-applicant after: ALLIGATOR COATINGS (SHANGHAI) CO.,LTD. Address before: Huaxin Town, Qingpu District of Shanghai City, Zhilu No. 1889 post encoding: 201708 Applicant before: SHANGHAI SHENZHEN ENTERPRISE DEVELOPMENT Co.,Ltd. |
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Effective date of registration: 20111231 Address after: Huaxin Town, Qingpu District 201708 of Shanghai City, No. 1889 Zhilu Patentee after: SHANGHAI SHENZHEN ENTERPRISE DEVELOPMENT Co.,Ltd. Address before: Huaxin Town, Qingpu District 201708 of Shanghai City, No. 1889 Zhilu Co-patentee before: ALLIGATOR COATINGS (SHANGHAI) CO.,LTD. Patentee before: SHANGHAI SHENZHEN ENTERPRISE DEVELOPMENT Co.,Ltd. |
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Effective date of registration: 20170703 Address after: 201703, No. 3966, Shanghai Qing Ping highway, Shanghai Patentee after: ALLIGATOR COATINGS (SHANGHAI) CO.,LTD. Address before: Huaxin Town, Qingpu District 201708 of Shanghai City, No. 1889 Zhilu Patentee before: SHANGHAI SHENZHEN ENTERPRISE DEVELOPMENT Co.,Ltd. |
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