CN103509460A - Environment-friendly aqueous nano transparent UV shielding coating for highlight furniture and preparation method thereof - Google Patents
Environment-friendly aqueous nano transparent UV shielding coating for highlight furniture and preparation method thereof Download PDFInfo
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- CN103509460A CN103509460A CN201310329845.0A CN201310329845A CN103509460A CN 103509460 A CN103509460 A CN 103509460A CN 201310329845 A CN201310329845 A CN 201310329845A CN 103509460 A CN103509460 A CN 103509460A
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Abstract
The invention relates to an environment-friendly aqueous nano transparent UV shielding coating for highlight furniture. The coating comprises the following components: deionized water, a dispersing agent, a nano inorganic slurry, titanium dioxide, a thickener, acrylic modified waterborne polyurethane, a preservative, a pH regulator and sodium hexametaphosphate. A blending method is employed to prepare the environment-friendly aqueous nano transparent UV shielding coating. The method is as below: taking a certain amount of an acrylic modified aqueous polyurethane emulsion E-106 and adding 0.1% of nano TiO2 mixed aqueous dispersion with stirring; stirring evenly with a high speed mixer with a stirring speed of 1000 r / min for 1 h; adding a nano antibacterial powder during the stirring process; then adding an appropriate amount of aqueous additives including a defoaming agent and a leveling agent; and mixing evenly to obtain the environment-friendly aqueous nano transparent heat insulation coating. The invention has the following advantages: improvement of the surface hardness of the UV coating, improvement of aging resistance of the UV coating, prevention from yellowing and no environmental pollution.
Description
Technical field
The present invention relates to a kind of coating, environment-friendly aqueous nanometer transparent violet external shield coating for especially a kind of high smooth furniture, the invention still further relates to the preparation method of this coating.
Background technology
Nanoparticle is subject to the favor of countries in the world because of its novel unique character.More than ten years have been obtained develop rapidly recently.Select the nano material of difference in functionality by appropriate mating, can prepare a series of multi-functional, high performance nano composite dopes with miscellaneous polymkeric substance.Thereby the numerous areas such as the building of being widely used in, woodenware and car paint.
UV coating environmental pollution is little, and curing speed is fast, saves the energy.Be different from that traditional coating is volatile, curing speed is slow, therefore, UV coating had become the main substitute of traditional coating in recent years.My department passes through nano material (as TiO
2and SiO
2) at the application and research of UV coating, in the data analysis based on science, in furniture painted surface effect, obtained preliminary breakthrough.
Nano-TiO
2can absorb ultraviolet ray, can reflect again, scatters ultraviolet, can also see through visible ray, be the ultraviolet protecting agent of superior performance, extremely rising physical shielding type.The irradiation of light can cause TiO
2surface forms wetting ability and marvellous super amphiphilic of lipophilicity two-phase coexistent in nano-area.As by the nano-antibacterial powder of domestic suitability for industrialized production for coating, can make nano-disinfection coating, be coated on building material product, as the metope in sanitary ware, the interior space, apparatus, hospital surgical Jian He ward, ground etc., play sterilization, the effect of keeping a public place clean.Nano-TiO
2particle is less than at wavelength under the illumination of 400nm, can absorb the short wavelength light radiation higher than its energy gap, produces transition of electron, make valence band electronics be excited to conduction band, and form electron-hole pair, transfer energy to surrounding medium, induction photochemical reaction, thus photocatalysis performance there is.
Experiment shows, nano silicon has weakened ultraviolet-curing paint and absorbed the intensity of UV irradiation, thereby has reduced the curing speed of photo-cured coating, but can obviously improve hardness and the sticking power of ultraviolet-curing paint.
Current, domestic top-grade furniture is generally used traditional coating and spraying method, and its environmental protection, transparence and wear resisting property are held concurrently and had in varying degrees the bottleneck that is difficult to breakthrough.This and traditional paint, i.e. PU(urethane), PE(unsaturated polyester) self attributes have indivisible relation.Current furniture paint on the market is generally made priming paint with PE, and PU does finish paint and reaches smooth, the high saturating effect of furniture surface.But when these two kinds paint are used, PE need allocate initiator and promotor (being blue plain boiled water), and PU need allocate thinner, has a large amount of harmful materials in its composition, as benzene,toluene,xylene, formaldehyde, vinylbenzene etc., is unfavorable for ecotope.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of the coating easy aging problem coming off that becomes fragile, paint that improves coating surface hardness and can not pollute environment under solar ulatraviolet radiation of solving.
For solving the problems of the technologies described above, environment-friendly aqueous nanometer transparent violet external shield coating for high light furniture of the present invention, comprises following component:
Deionized water 100-150 part
Dispersion agent 3-5 part
Nano inorganic slurry 10-15 part
Titanium dioxide 2-5 part
Thickening material 1-5
Acrylate Modified Aqueous Polyurethane 60-75 part
Sanitas 1-2 part
1 part of pH adjusting agent
Sodium hexametaphosphate 99 3-5 part
Described nano inorganic slurry is nano level TiO
2, SiO
2, ZnO, Fe
2o
3in one or more.
Described nano-TiO
2metal and stone type nano-TiO
2.
A preparation method for environment-friendly aqueous nanometer transparent violet external shield coating for high smooth furniture, comprises the following steps:
Adopt blending method to prepare environment-friendly aqueous nanometer transparent violet external shield coating.Get a certain amount of polyacrylic acid modified aqueous polyurethane emulsion E-106 and add 0.1% nano-TiO under the condition stirring
2mixing water disperses liquid, speed stirring 1h with homogenizer with 1000r/min stirs, in the process stirring, add nano-antibacterial powder, then add the various aqueous promoters such as proper quantity of defoaming agent, flow agent, mix and join to obtain environment-friendly aqueous nanometer transparent heat insulating dope.
Described nano-TiO
2mixing water disperses the preparation of liquid to comprise the following steps:
Take 398 grams of deionized waters, add 2g dispersion agent DP-518, under certain rotating speed, dispersed with stirring is even.Then nano-TiO
2powder altogether 100g adds in dispersion liquid, and high-speed stirring is disperseed 1 hour, it is fully mixed wetting.With ammoniacal liquor, regulate pH value to 9--10, after pre-dispersed 30min-60min, adopt ultrasonic dispersion to make it form the water dispersion of short-term stability.During ultrasonic dispersion, the power of ultrasonic cell disruptor is 1500W.Ultrasonic time 5s, a 5s work period of formation off time, work times is for 60 times that ultrasonic time is after 5min, to make the water dispersion of short-term stability, and the dispersion liquid of gained has good dispersion effect and dispersion stabilization.
The present invention has the following advantages:
A. improve the surface hardness of UV coating: UV coating is by adding nano level TiO
2, SiO
2, its reflective and low light transmission make the speed of response of coating and light slack-off, thereby make curing speed slack-off, form harder paint film.
B. the ageing resistance that improves UV coating, prevents xanthochromia: adding nano level TiO
2, SiO
2after, the percent of pass of ultraviolet greatly reduces, and its digestion time is extended greatly, thereby reaches the object that prevents xanthochromia.
C. free from environmental pollution: when meeting high-quality product formula, to adhere to selecting green starting material, make at utmost to reduce VOC in UV coating film process and evaporate in atmosphere, can, to environment, not pay attention to ecotope.
Embodiment
Embodiment 1
Environment-friendly aqueous nanometer transparent violet external shield coating for high light furniture of the present invention, comprises following component:
100 parts of deionized waters, 3 parts of dispersion agents, nano-TiO
25 parts, 3 parts of nanometers, 2 parts of nano-ZnOs, nanometer Fe
2o
35 parts, 3 parts of titanium dioxides, thickening material 4,65 parts of Acrylate Modified Aqueous Polyurethanes, 2 parts of sanitass, 1 part of pH adjusting agent, 5 parts of Sodium hexametaphosphate 99s.
Embodiment 2
Environment-friendly aqueous nanometer transparent violet external shield coating for high light furniture of the present invention, comprises following component:
120 parts of deionized waters, 4 parts of dispersion agents, nano-TiO
23 parts, 4 parts of nanometers, 6 parts of nano-ZnOs, nanometer Fe
2o
32 parts, 4 parts of titanium dioxides, thickening material 5,70 parts of Acrylate Modified Aqueous Polyurethanes, 1 part of sanitas, 1 part of pH adjusting agent, 3 parts of Sodium hexametaphosphate 99s.
Embodiment 3
Environment-friendly aqueous nanometer transparent violet external shield coating for high light furniture of the present invention, comprises following component:
150 parts of deionized waters, 5 parts of dispersion agents, nano-TiO
25 parts, 3 parts of nanometers, 4 parts of nano-ZnOs, nanometer Fe
2o
33 parts, 5 parts of titanium dioxides, thickening material 5,60 parts of Acrylate Modified Aqueous Polyurethanes, 2 parts of sanitass, 1 part of pH adjusting agent, 5 parts of Sodium hexametaphosphate 99s.
A preparation method for environment-friendly aqueous nanometer transparent violet external shield coating for high smooth furniture, comprises the following steps:
Adopt blending method to prepare environment-friendly aqueous nanometer transparent violet external shield coating.Get a certain amount of polyacrylic acid modified aqueous polyurethane emulsion E-106 and add 0.1% nano-TiO under the condition stirring
2mixing water disperses liquid, speed stirring 1h with homogenizer with 1000r/min stirs, in the process stirring, add nano-antibacterial powder, then add the various aqueous promoters such as proper quantity of defoaming agent, flow agent, mix and join to obtain environment-friendly aqueous nanometer transparent heat insulating dope.
Described nano-TiO
2mixing water disperses the preparation of liquid to comprise the following steps:
Take 398 grams of deionized waters, add 2g dispersion agent DP-518, under certain rotating speed, dispersed with stirring is even.Then nano-TiO
2powder altogether 100g adds in dispersion liquid, and high-speed stirring is disperseed 1 hour, it is fully mixed wetting.With ammoniacal liquor, regulate pH value to 9--10, after pre-dispersed 30min-60min, adopt ultrasonic dispersion to make it form the water dispersion of short-term stability.During ultrasonic dispersion, the power of ultrasonic cell disruptor is 1500W.Ultrasonic time 5s, a 5s work period of formation off time, work times is for 60 times that ultrasonic time is after 5min, to make the water dispersion of short-term stability, and the dispersion liquid of gained has good dispersion effect and dispersion stabilization.
The above, be only to preferred embodiment of the present invention, not the present invention done to other forms of restriction, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equal variation.Every the present invention program's content that do not depart from,, all drops in protection scope of the present invention any simple modification made for any of the above embodiments, equivalent variations and remodeling according to technical spirit of the present invention.
Claims (5)
1. an environment-friendly aqueous nanometer transparent violet external shield coating for high smooth furniture, is characterized in that: comprise following component,
Deionized water 100-150 part
Dispersion agent 3-5 part
Nano inorganic slurry 10-15 part
Titanium dioxide 2-5 part
Thickening material 1-5
Acrylate Modified Aqueous Polyurethane 60-75 part
Sanitas 1-2 part
1 part of pH adjusting agent
Sodium hexametaphosphate 99 3-5 part.
2. according to environment-friendly aqueous nanometer transparent violet external shield coating for high light furniture claimed in claim 1, it is characterized in that: described nano inorganic slurry is nano level TiO
2, SiO
2, ZnO, Fe
2o
3in one or more.
3. according to environment-friendly aqueous nanometer transparent violet external shield coating for high light furniture claimed in claim 2, it is characterized in that: described nano-TiO
2metal and stone type nano-TiO
2.
4. a preparation method for environment-friendly aqueous nanometer transparent violet external shield coating for high smooth furniture, is characterized in that: comprise the following steps, adopt blending method to prepare environment-friendly aqueous nanometer transparent violet external shield coating; Get a certain amount of polyacrylic acid modified aqueous polyurethane emulsion E-106 and add 0.1% nano-TiO under the condition stirring
2mixing water disperses liquid, speed stirring 1h with homogenizer with 1000r/min stirs, in the process stirring, add nano-antibacterial powder, then add the various aqueous promoters such as proper quantity of defoaming agent, flow agent, mix and join to obtain environment-friendly aqueous nanometer transparent heat insulating dope.
5. the preparation method's of environment-friendly aqueous nanometer transparent violet external shield coating a preparation method for high smooth furniture, is characterized in that: described nano-TiO
2mixing water disperses the preparation of liquid to comprise the following steps, takes 398 grams of deionized waters, adds 2g dispersion agent DP-518, and under certain rotating speed, dispersed with stirring is even.Then nano-TiO
2powder altogether 100g adds in dispersion liquid, and high-speed stirring is disperseed 1 hour, it is fully mixed wetting.With ammoniacal liquor, regulate pH value to 9--10, after pre-dispersed 30min-60min, adopt ultrasonic dispersion to make it form the water dispersion of short-term stability.During ultrasonic dispersion, the power of ultrasonic cell disruptor is 1500W.Ultrasonic time 5s, a 5s work period of formation off time, work times is for 60 times that ultrasonic time is after 5min, to make the water dispersion of short-term stability, and the dispersion liquid of gained has good dispersion effect and dispersion stabilization.
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|---|---|---|---|
| CN201310329845.0A CN103509460A (en) | 2013-08-01 | 2013-08-01 | Environment-friendly aqueous nano transparent UV shielding coating for highlight furniture and preparation method thereof |
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|---|---|---|---|
| CN201310329845.0A CN103509460A (en) | 2013-08-01 | 2013-08-01 | Environment-friendly aqueous nano transparent UV shielding coating for highlight furniture and preparation method thereof |
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| CN103509460A true CN103509460A (en) | 2014-01-15 |
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ID=49892905
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104277508A (en) * | 2014-09-04 | 2015-01-14 | 青阳县双龙涂料有限责任公司 | Infrared inner wall coating |
| CN104277521A (en) * | 2014-10-29 | 2015-01-14 | 安徽朗凯奇建材有限公司 | Heat insulation aqueous coating for buildings and preparation method of heat insulation aqueous coating for buildings |
| CN107880766A (en) * | 2017-11-24 | 2018-04-06 | 湖南太子化工涂料有限公司 | A kind of single-component water-based finish paint and preparation method applied to drag pump car |
| CN109021811A (en) * | 2018-07-03 | 2018-12-18 | 阜南县明强柳编工艺品有限公司 | A kind of fast light antiaging coatings of imitative rattan material |
| CN113797906A (en) * | 2021-09-23 | 2021-12-17 | 中国科学院化学研究所 | Fullerene photocatalyst composite material composition and application thereof |
-
2013
- 2013-08-01 CN CN201310329845.0A patent/CN103509460A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104277508A (en) * | 2014-09-04 | 2015-01-14 | 青阳县双龙涂料有限责任公司 | Infrared inner wall coating |
| CN104277521A (en) * | 2014-10-29 | 2015-01-14 | 安徽朗凯奇建材有限公司 | Heat insulation aqueous coating for buildings and preparation method of heat insulation aqueous coating for buildings |
| CN107880766A (en) * | 2017-11-24 | 2018-04-06 | 湖南太子化工涂料有限公司 | A kind of single-component water-based finish paint and preparation method applied to drag pump car |
| CN109021811A (en) * | 2018-07-03 | 2018-12-18 | 阜南县明强柳编工艺品有限公司 | A kind of fast light antiaging coatings of imitative rattan material |
| CN113797906A (en) * | 2021-09-23 | 2021-12-17 | 中国科学院化学研究所 | Fullerene photocatalyst composite material composition and application thereof |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140115 |
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