CN100590164C - Nanometer exterior wall coating - Google Patents
Nanometer exterior wall coating Download PDFInfo
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- CN100590164C CN100590164C CN200810147406A CN200810147406A CN100590164C CN 100590164 C CN100590164 C CN 100590164C CN 200810147406 A CN200810147406 A CN 200810147406A CN 200810147406 A CN200810147406 A CN 200810147406A CN 100590164 C CN100590164 C CN 100590164C
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Abstract
The invention relates to a nano exterior wall coating; the composition by the weight percent is as follows: 40 percent to 50 percent of film-forming latex, 26 percent to 38 percent of pigment and filler, 4 percent to 8 percent of assistant, 0.3 percent to 1 percent of nano powdery material, 1.0 percent to 3.0 percent of water-soluble nano silica sol, and 10 percent to 30 percent of deionized water. The film-forming material can be acrylic latex or pure siloxane-acrylate latex; the pigment and filler is one or more than one type among titanium white powder, mica powder, barium sulfate and aluminum silicate; the assistant comprises one or more than one type among dispersant, wetting agent, foam killer, preservative, thickener, anti-freezing agent, ph regulator and film-forming assistant. Thecoating of the invention can be washed and brushed for 50000 times without breakage, resist manual climate aging for 1000 times without bubbling, peeling and crackling, has obvious mildew resistant effect and can effectively prevent mildew after being stored and coated on the wall.
Description
Technical field
The present invention relates to a kind of coating, specifically relate to a kind of water-based exterior wall paint that nano material is arranged.
Background technology
Wallcovering is because toxicity is low, easy to use, cheap, be subjected to people's welcome deeply, but present commercially available wallcovering, all exist the life-span short as emulsion paint (Nippon etc.), washability not, weather resisteant is poor, be subjected to extraneous climatic influences, coating is easily aging, variable color, wrinkling, peel off etc., CN1385483A discloses the modified paint of exterior wall in a kind of nanometer, and it has adopted after the nano material water-repellancy than traditional wallcovering, stain resistance, ageing resistance, uvioresistant, every performance index such as germ resistance will be got well, but its washability number of times only is 1.1 ten thousand times, artificial ageing resistance also only has 600 hours, in order further to improve the performance of wallcovering, the essential prescription that improves coating.
Summary of the invention
The objective of the invention is in order to solve the deficiency of above-mentioned nano modified paint used for inner and outer wall, more effectively improve the ageing resistance and the anti-cleaning of coating and scrub number of times, prolong the work-ing life of coating.
Technical scheme of the present invention is: a kind of nano-external wall paint, and its weight percent is composed as follows:
Filming emulsion 40～50%
Face, filler 26～38%
Auxiliary agent 4～8%
Nano-powder material 0.3～1%
Water-soluble nano grade silica sol 1.0～3.0%
Deionized water 10～30%
Used film forming material can be with pure-acrylic emulsion or pure third silicon, third copolymer emulsion, used face, filler are one or more in titanium dioxide, mica powder, barium sulfate, the pure aluminium silicate, auxiliary agent comprises dispersion agent, wetting agent, defoamer, sanitas, thickening material, frostproofer, PH conditioning agent and film coalescence aid, the concrete consumption of the sort of or which kind auxiliary agent and every kind of auxiliary agent that adopts can be determined the requirement of product or the general knowledge of this area according to the client, as long as total amount is in the scope of the present invention's regulation.The nano-powder solid support material adopts water miscible nano silicone colloidal sol.
Preferably, the weight percent of exterior wall nano paint of the present invention is composed as follows:
Pure-acrylic emulsion/pure third silicon emulsion 40～50%
Titanium dioxide 20～25%
Mica powder 3.0～5%
Barium sulfate 2～5%
Pure aluminium silicate 1～3%
Nano silicon 0.3～1%
Nano titanium oxide 0.3～1%
Water miscible nano silicone colloidal sol 1.0～3.0%
Dispersion agent 1～1.7%
Wetting agent 0.1～0.2%
PH conditioning agent 0.1～0.2%
Defoamer 0.2～0.5%
Sanitas 0.1～0.3%
Thickening material 0.1～0.5%
Film coalescence aid 1～3%
Frostproofer 0.8～2%
Deionized water 10～30%
Because the present invention has adopted the fabulous filming emulsion of weathering resistance (ageing-resistant more than 1000 hours) in prescription, and the particle diameter of the nano material of adding is below 40nm, (particle diameter is 8～10nm) to have added solid support material water-soluble nano grade silica sol again, make nano material combine and to be incorporated in the coating with carrier well, thereby strengthened the molecular bond energy of film forming material, make film forming performance better, thereby improved the anti-pollution of coating significantly, ageing-resistant, every technical feature such as antibiotic, can reach higher standard, and saved the consumption of nano-powder material again, in composition, only need 0.6～1.2% weight, reduced production cost.
With wall face coating provided by the present invention, press the GB/T9755-2001 standard test, washability number of times (GB/T9266-1988) can reach 50,000 times no show-through, artificial weathering ageing resistance (GB/T1865-1997, GB/T1766-1995) do not have to bubble for 1000 times, do not have peel off, flawless, press national GB/T 1741-79 (89) the paint film measuring method of anti-mould detected result: anti-(resisting) mould effect is remarkable, and product can prevent growing of mould effectively in storage and after being coated with wall.I.C.I product with product of the present invention and import adopts U.S. US603372 experimental technique " experiment of coal firing boiler lacing film ", with nano paint of the present invention and I.C.I coating print, carry out lacing film (the lacing film address is apart from 50 meters of coal firing boiler temperature) under the corrugated tile in the time of 9 months accepting, the coating of I.C.I is seriously polluted, white becomes uneven grey, and that coating of the present invention still keeps is pure white, contrast effect is very obvious, use oil-drop experiment: be made into pollutant with 1% carbon black nano silicone colloidal sol+edible oil, pollutant is dropped on the test plate (panel), use tap water drip washing again: the coating model of I.C.I brand stays the tangible black marking, and that coating of the present invention still keeps is pure white.Extremely strong from the provable coating antifouling property of the present invention of last test, can prolong greatly work-ing life.
Embodiment
Below in conjunction with specific embodiment technical scheme of the present invention is described.
Embodiment 1
Nano-external wall paint (white) prescription is formed:
Nano silicon and the nano titanium oxide that to buy back from market are scattered in the water-soluble nano grade silica sol carrier through high speed shear, and be reinforced by prescription, stirring, sand milling, emulsification, joins lacquer, filtration discharging.The product of gained is the exterior coating of white, result after testing: it is no show-through to scrub defective material 4.1 ten thousand times; Anti-artificial weathering test: 1,000 hours: the anti-mould measurement result of paint film: anti-(resisting) mould effect is remarkable, and product can prevent growing of mould effectively behind storage and coating wall.
Embodiment 2, nano-external wall paint (white) prescription are formed:
The nano silicon that to buy back from market and nano titanium oxide are scattered in the water-soluble nano grade silica sol by prescription reinforced through high speed shear, stirring, sand milling, emulsification, join lacquer, filtration discharging.The product of gained is white exterior coating.Result after testing: it is no show-through to scrub defective material 4.3 ten thousand times; Anti-artificial weathering test: 0.98 thousand hour: the anti-mould measurement result of paint film: anti-(resisting) mould effect is remarkable, and product can prevent growing of mould effectively behind storage and coating wall.
Claims (5)
1, a kind of nano-external wall paint, its weight percent consists of:
Pure-acrylic emulsion or pure third silicon, third copolymer emulsion 40～50%
Face, filler 25～35%
Auxiliary agent 4～8%
Nano-powder material 0.3～1%
Water-soluble nano grade silica sol 1.0～3.0%
Deionized water 10～30%
Earlier nano-powder material and water-soluble nano grade silica sol high speed dispersion are made mixed solution, mix with above-mentioned other composition again, obtain described nano-external wall paint.
2. nano-external wall paint according to claim 1 is characterized in that: used face, filler are one or more in Rutile type Titanium Dioxide, mica powder, barium sulfate and the pure aluminium silicate.
3. nano-external wall paint according to claim 1 is characterized in that: used auxiliary agent comprises one or more in dispersion agent, flow agent, defoamer, sanitas, thickening material, film coalescence aid and the frostproofer.
4. nano-external wall paint according to claim 1 is characterized in that: used nano-powder material is nano silicon and/or nano titanium oxide.
5. nano-external wall paint according to claim 1 and 2 is characterized in that: the weight percent of described coating is composed as follows:
Pure-acrylic emulsion or pure third silicon, third copolymer emulsion 40～50%
Titanium dioxide 20～25%
Mica powder 3.0～5%
Barium sulfate 2～5%
Pure aluminium silicate 1～3%
Nano silicon 0.3～1%
Nano titanium oxide 0.3～1%
Auxiliary agent
4～8%
Water-soluble nano grade silica sol 1.0～3.0%
Deionized water 10～30%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810147406A CN100590164C (en) | 2008-08-14 | 2008-08-14 | Nanometer exterior wall coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810147406A CN100590164C (en) | 2008-08-14 | 2008-08-14 | Nanometer exterior wall coating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101338108A CN101338108A (en) | 2009-01-07 |
| CN100590164C true CN100590164C (en) | 2010-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810147406A Expired - Fee Related CN100590164C (en) | 2008-08-14 | 2008-08-14 | Nanometer exterior wall coating |
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| CN (1) | CN100590164C (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102286233A (en) * | 2011-09-10 | 2011-12-21 | 中国十七冶集团有限公司 | Nano-modified elastic coating with high stain resistance and preparation method thereof |
| CN102533035A (en) * | 2011-12-13 | 2012-07-04 | 河北晨阳工贸集团有限公司 | Damp-proof and mildew-proof coating and preparation method thereof |
| CN102533028A (en) * | 2011-12-29 | 2012-07-04 | 陕西宝塔山油漆股份有限公司 | Water-based, primer-free and high-performance exterior water coating |
| CN102898917B (en) * | 2012-10-29 | 2015-02-18 | 苏州市建筑科学研究院有限公司 | Reflection and heat insulation paint for buildings |
| CN104059452B (en) * | 2014-06-13 | 2016-04-13 | 江苏科技大学 | A kind of environment-friendly waterproof outer wall building coating and preparation method thereof |
| CN104387920A (en) * | 2014-11-12 | 2015-03-04 | 徐妍玲 | Using method of nanometer antibacterial primer |
| CN105969261B (en) * | 2016-06-30 | 2017-12-26 | 广东三和控股有限公司 | A kind of joint trimming agent and preparation method thereof |
| CN106700799A (en) * | 2017-01-05 | 2017-05-24 | 雄子（上海）新材料科技有限公司 | Environmentally-friendly external wall elastic anti-cracking coating |
| CN107151496A (en) * | 2017-05-24 | 2017-09-12 | 佛山实瑞先导材料研究院（普通合伙） | A kind of nano-TiO2Modified water-soluble composite coating and preparation method thereof |
| CN110016262A (en) * | 2019-01-05 | 2019-07-16 | 国网山东省电力公司电力科学研究院 | Outdoor water-proof super-amphiphobic coating and its preparation process |
| CN114561130A (en) * | 2021-12-20 | 2022-05-31 | 佛山市高明区首邦化工有限公司 | Weather-resistant latex paint and production equipment thereof |
-
2008
- 2008-08-14 CN CN200810147406A patent/CN100590164C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101338108A (en) | 2009-01-07 |
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