CN103666155A - Nano modified high-stain-resistance elastic paint - Google Patents
Nano modified high-stain-resistance elastic paint Download PDFInfo
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- CN103666155A CN103666155A CN201310674182.6A CN201310674182A CN103666155A CN 103666155 A CN103666155 A CN 103666155A CN 201310674182 A CN201310674182 A CN 201310674182A CN 103666155 A CN103666155 A CN 103666155A
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Abstract
The invention relates to nano modified high-stain-resistance elastic paint which comprises the following components in percentage by weight: 10-18% of water, 0.1-0.2% of multifunctional assistant, 0.1-0.2% of wetting agent, 0.4-0.8% of dispersing agent, 0.3-0.8% of defoaming agent, 1.5-3.0% of propanediol, 16-20% of rutile type titanium white, 6-8% of precipitated barium sulfate, 5-8% of ground calcium carbonate, 1-5% of nano SiO2 dispersion solution, 3-5% of opaque polymer, 33-40% of pure acrylic elastic emulsion, 0.8-1.5% of Texanol, 0.1-0.2% of leveling agent, 0.1-0.2% of preservative and 0.6-0.9% of thickener. The elastic paint has high elasticity, has the advantages of high-efficiency water resistance, excellent stain resistance, favorable tensile strength and the like, and can obviously improve the wall cracking property.
Description
Technical field the present invention relates to a kind of coating, and particularly a kind of protection for skin surface and decoration have compared with high dirt resistance performance, can effectively hide the elastic coating of body of wall crackle, belong to chemistry painting industry technical field.
The outer surface of wall of the current buildings of background technology is before decoration, and conventionally outer surface of wall is all that form with finishing cement exists.Due to the natural characteristics of cement-based material, when being subject to the reasons such as temperature variation, alternation of wetting and drying and body of wall settlement, usually can crack at body of wall.This has not only affected the attractive in appearance of body of wall, and can make rainwater cause house to leak thereupon entering wall body slit.Elastic coating, owing to possessing certain elasticity, can shrink freely along with crack, can be good at preventing the cracking of filming from making exterior wall have excellent cracking resistance, water-proof function, is becoming gradually the leading product in decoration of exterior wall.In addition the widespread use of external-wall heat-insulation material in recent years, more the development of elastic coating provides wide space.But this class coating mostly exists the poor problem of stain resistant performance.Therefore developing a kind of high elastic coating thing weather-proof, high dirt resistance performance must go.
Summary of the invention the object of this invention is to provide a kind of nano-modified elastic coating with high stain resistance, and this elastic coating not only has snappiness, and contamination resistance, the tensile strength also with high-effective water-proof, excellence are good, can significantly improve the advantages such as cracking performance of body of wall.
Concrete component and the part by weight of a kind of nano-modified elastic coating with high stain resistance of the present invention are: water: 10-18%; Multifunctional assistant: 0.1-0.2%; Wetting agent: 0.1-0.2%; Dispersion agent: 0.4-0.8%; Defoamer: 0.3-0.8%; Propylene glycol: 1.5-3.0%; Rutile type Titanium Dioxide: 16-20%; Process white: 6-8%; Water-ground limestone: 5-8%; Nanometer SiO2 dispersion liquid: 1-5%; Opacifying polymers: 3-5%; Pure acrylate elastic emulsion: 33-40%; Texanol:0.8-1.5%; Flow agent 0.1-0.2%; Sanitas: 0.1-0.2%; Thickening material: 0.6-0.9%.
In general, the elasticity of elastic coating and the contamination resistance relation that is inversely proportional to, coating has lower contamination resistance under high-elastic state.The pollution channel of paint film mainly contains organism adhesion, electrostatic adhesion and imbedibility and pollutes.Filming of stain resistance excellence, from the angle that prevents from adhering to, hard, anti-electrostatic effect good and surface smoothing has been considered to films, as the angle from decontamination, the clean effect of hydrophilic film surface rainwater and surface uniform pollute and the rain mark that causes and non-the manifesting effect of spot have been considered to films.The present invention can form rigidity, the soap-free emulsion that contains special hydrophilic radical antistatic and surface smoothing is filmed, make paint film not only have snappiness also have antistatic, paint film is level and smooth, hydrophilic advantage, thereby make that elastic coating possesses snappiness, high-effective water-proof, has excellent water-resistance, the performance of stain resistant.
The emulsion that the present invention uses is a kind of 100% elastic pure acrylic acid emulsion, at room temperature can produce self-crosslinking, has good elasticity, and normal temperature is difficult for after-tacking; Not containing protective colloid, without film coalescence aid, low VOV content, environmental protection; And have good consistency with numerous color stuffings, make product have good elasticity, scrub resistance, water tolerance and alkali resistance, sticking power is good.
The Rutile type Titanium Dioxide that the titanium dioxide that the present invention uses is made for chlorination process, is characterized in having high gloss, fabulous color, opacifying power and dispersed and good exterior durability.Its performance and opacifying power, weathering resistance and the chalking resistance close relation of filming.
The nanometer SiO2 dispersion liquid that the present invention uses, in coating film process, nanoparticle plays hinge point effect, and the organic polymer hinge of line style is reticulated to structure, improves film coated surface hardness; The pore dimension of filming by reduction, improves smooth coating degree; By the reduction static charge of filming, reduce the absorption of atmospheric dust; Making to film possesses good self-cleaning, has improved the stain resistant performance of coating.
The dispersion agent that the present invention uses is low-molecular-weight polypropylene amine acid salt dispersion agent, can significantly improve concentration and the stability thereof of color stuffing dispersion pulp, by this dispersion agent, can surround a layer charge at color stuffing particle surface, make repulsion mutually between particle, thereby reach the effect of stable slurry.
The Opacifying polymers that the present invention uses is hollow polymer spheroid, can show extremely strong covering performance, improve coating contamination resistance (dirt pickup resistant), strengthen outdoor tint retention.
Thickening material used in the present invention mainly contains newton-type nonionic polyoxyalkylene class rheology modifier and alkali swelling class thickening material.
Production technique of the present invention is mixed the component of above-mentioned weight ratio at normal temperatures, under stirring at low speed, add part water, multifunctional assistant, wetting agent, dispersion agent, early stage defoamer, propylene glycol, titanium dioxide, process white, water-ground limestone, after high speed dispersion, be ground to after slurry fineness≤50um, stirring at low speed adds nanometer SiO2 dispersion liquid, Opacifying polymers, pure acrylate elastic emulsion, Texanol, later stage defoamer, flow agent, sanitas, thickening material, excess water, meet the requirements of after viscosity, stirring at low speed 10min again, again through check, filter, the packing of weighing.
Below embodiment, be one embodiment of the present of invention.
The composition of a kind of nano-modified elastic coating with high stain resistance of the present invention (weight percent) and production technique are: the stirring at low speed stage adds the deionized water of 10 parts according to order, the multifunctional assistant AMP-95 of 0.15 part, the wetting agent X405 of 0.1 part, 0.6 part of poly amic acid dipersant PR03, the defoamer NXZ of 0.15 part, the propylene glycol of 2.5 parts, the titanium dioxide 595 of 18 parts, 7 parts of fineness 800 object process whites, 8 parts of fineness 1250 object water-ground limestones enter the high-speed stirring stage after all adding, and after stirring, speed lapping, to fineness≤50um, then adds successively 5 parts of nanometer SiO2 dispersion liquids under stirring at low speed, the Opacifying polymers Unihub of 4 parts, the pure acrylate elastic emulsion 3131 of 36 parts, the Texanol of 0.8 part, the defoamer NXZ of 0.15 part, 0.2 part of flow agent, the sanitas MV of 0.15 part, the newton-type nonionic polyoxyalkylene class rheology modifier thickening material DSX2000 of 0.6 part and 0.3 part of alkali swelling thickening material TT935, the deionized water and stirring of 6.3 parts is even, then stirring at low speed 10min, then through check, filter, the packing of weighing.
Its indices of a kind of nano-modified elastic coating with high stain resistance of making according to the present invention all reaches JG/T172-2005 about the requirement of elastic building paint defined, and has excellent water resistance, weathering resistance, can significantly improve the water resistance of body of wall; And stain resistant performance has had good lifting, good springiness, stretch-proof performance is strong, and effectively the cracklin on covering building, can guarantee that skin surface can keep clean magnificent surface muchly.Be widely used in the middle of the decorations of various exterior walls.Customer response is respond well.
Claims (6)
1. concrete component and the part by weight of a kind of nano-modified elastic coating with high stain resistance of the present invention are: water: 10-18%; Multifunctional assistant: 0.1-0.2%; Wetting agent: 0.1-0.2%; Dispersion agent: 0.4-0.8%; Defoamer: 0.3-0.8%; Propylene glycol: 1.5-3.0%; Rutile type Titanium Dioxide: 16-20%; Process white: 6-8%; Water-ground limestone: 5-8%; Nanometer SiO2 dispersion liquid: 1-5%; Opacifying polymers: 3-5%; Pure acrylate elastic emulsion: 33-40%; Texanol:0.8-1.5%; Flow agent 0.1-0.2%; Sanitas: 0.1-0.2%; Thickening material: 0.6-0.9%.
2. a kind of nano-modified elastic coating with high stain resistance according to claim 1, is characterized in that said emulsion is acrylic elastic emulsion, and resilient, crosslinked is good, and normal temperature is difficult for after-tacking; Not containing protective colloid, without film coalescence aid, low VOV content, environmental protection; Have good elasticity, scrub resistance, water tolerance and alkali resistance, sticking power is good.
3. a kind of nano-modified elastic coating with high stain resistance according to claim 1, is characterized in that said Rutile type Titanium Dioxide, is characterized in having high gloss, fabulous color, opacifying power and dispersed and good exterior durability.
4. a kind of nano-modified elastic coating with high stain resistance according to claim 1, is characterized in that said nanometer SiO2 dispersion liquid, possesses good self-cleaning, has improved the stain resistant performance of coating.
5. a kind of nano-modified elastic coating with high stain resistance according to claim 1, it is characterized in that said Opacifying polymers is hollow polymer spheroid, can show extremely strong covering performance, improve coating contamination resistance (dirt pickup resistant), strengthen outdoor tint retention.
6. a kind of nano-modified elastic coating with high stain resistance according to claim 1, is characterized in that said thickening material mainly contains newton-type nonionic polyoxyalkylene class rheology modifier and alkali swelling class thickening material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310674182.6A CN103666155A (en) | 2013-12-11 | 2013-12-11 | Nano modified high-stain-resistance elastic paint |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310674182.6A CN103666155A (en) | 2013-12-11 | 2013-12-11 | Nano modified high-stain-resistance elastic paint |
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| CN103666155A true CN103666155A (en) | 2014-03-26 |
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| CN201310674182.6A Pending CN103666155A (en) | 2013-12-11 | 2013-12-11 | Nano modified high-stain-resistance elastic paint |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104130654A (en) * | 2014-06-17 | 2014-11-05 | 安徽碧满塘建材有限公司 | Non-toxic waterproof coating |
| CN104403465A (en) * | 2014-11-27 | 2015-03-11 | 国家电网公司 | Stain-resistant heat-insulation coating and preparation method thereof |
| CN104893472A (en) * | 2015-06-15 | 2015-09-09 | 合肥启华环保科技有限公司 | Waterproof elastic latex paint for building external wall and preparation method of waterproof elastic latex paint |
| CN105199527A (en) * | 2015-10-30 | 2015-12-30 | 桂林市和鑫防水装饰材料有限公司 | Stain-resistant acrylic ester waterproof coating |
| CN105219204A (en) * | 2015-10-30 | 2016-01-06 | 桂林市和鑫防水装饰材料有限公司 | A kind of novel acrylic ester waterproof paint |
| CN107556850A (en) * | 2017-09-21 | 2018-01-09 | 苏州振振好新型建材科技有限公司 | A kind of antifouling elastic coating of ship |
| CN116710525A (en) * | 2020-07-31 | 2023-09-05 | 陶氏环球技术有限责任公司 | Aqueous dispersion of polymer particles, microspheres and colloidal silica particles |
| WO2024057233A1 (en) * | 2022-09-16 | 2024-03-21 | Consorcio Comex, S.A. De C.V. | Multi-functional coating composition |
-
2013
- 2013-12-11 CN CN201310674182.6A patent/CN103666155A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104130654A (en) * | 2014-06-17 | 2014-11-05 | 安徽碧满塘建材有限公司 | Non-toxic waterproof coating |
| CN104403465A (en) * | 2014-11-27 | 2015-03-11 | 国家电网公司 | Stain-resistant heat-insulation coating and preparation method thereof |
| CN104893472A (en) * | 2015-06-15 | 2015-09-09 | 合肥启华环保科技有限公司 | Waterproof elastic latex paint for building external wall and preparation method of waterproof elastic latex paint |
| CN105199527A (en) * | 2015-10-30 | 2015-12-30 | 桂林市和鑫防水装饰材料有限公司 | Stain-resistant acrylic ester waterproof coating |
| CN105219204A (en) * | 2015-10-30 | 2016-01-06 | 桂林市和鑫防水装饰材料有限公司 | A kind of novel acrylic ester waterproof paint |
| CN107556850A (en) * | 2017-09-21 | 2018-01-09 | 苏州振振好新型建材科技有限公司 | A kind of antifouling elastic coating of ship |
| CN116710525A (en) * | 2020-07-31 | 2023-09-05 | 陶氏环球技术有限责任公司 | Aqueous dispersion of polymer particles, microspheres and colloidal silica particles |
| WO2024057233A1 (en) * | 2022-09-16 | 2024-03-21 | Consorcio Comex, S.A. De C.V. | Multi-functional coating composition |
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Application publication date: 20140326 |