CN1200058C - Water fluorine-carbon nanapaint and producing process thereof - Google Patents
Water fluorine-carbon nanapaint and producing process thereof Download PDFInfo
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Abstract
The present invention relates to water fluorine-carbon nano paint and a producing method thereof. The paint is characterized in that water vinyl fluorine-carbon emulsion is used as a film forming substance, and nano material is used as converted material. Pigment, stuffing, an auxiliary agent, water, etc. are additionally added to prepare the water fluorine-carbon nano paint. Due to a reasonable and scientific formula, particularly the introduction of the nano material, the performance of a paint product is greatly enhanced. The film of the paint is smooth and has lotus leaf performance. The paint has the characteristics of outstanding weatherability, self-cleaning performance, stain resistance and chemical resistance and can be widely applied for spraying inner walls and outer walls of buildings, concrete structure objects, cement, gypsum, ceramics, metals, wood products and other material surfaces. The endurance of the paint can achieve 15 to 20 years. The paint has the advantages of convenient construction, low cost and long life time and accords with the requirements of environmental protection indexes, etc.
Description
Affiliated technical field
The present invention relates to fluorocarbon coating, and more particularly about a kind of water fluorine-carbon nanapaint and production method thereof.
Background technology
With fluoroolefin and other monomeric fluorinated copolymer resin is the fluorocarbon coating that main filmogen is produced, and compares with general coating products, has good characteristics such as weathering resistance, resistance to chemical attack, wear resistance, thereby watched attentively by each side.The fluorocarbon coating that nineteen seventies succeeds in developing is a solvent reducible coatings, has shortcomings such as smell is big, pollution is heavy, construction difficulty, cost height because of it, is difficult to apply.Thereby countries in the world turn to attention in the nineties the development of aqueous fluorocarbon coating.For example, calendar year 2001 Chinese patent CN1322775A discloses a kind of aqueous fluorocarbon coating that contains the water-based fluorocarbon resin, but it still makes the solvent borne resin earlier, be converted into water-base resin by the solvent borne resin again, cost height like this, and its coating artificial ageing resistance of making is also poor, fail the to be up to state standards requirement of GB/T9755-2001 " exterior wall coating material of synthetic resin emulsion " premium grads technical indicator, and be dual-component coating, also need to add solidifying agent mixing, homogenize during use, use extremely inconvenience, also may therefore cause quality problems.
Summary of the invention
In order to overcome the shortcoming that prior art exists, the invention provides a kind of water fluorine-carbon nanapaint and production method thereof of single-component.This coating is formulated by aqueous vinyl fluorine carbon emulsion, nano material, pigment, filler, auxiliary agent and water etc.Coating products has excellent weathering resistance, water tolerance, chemical resistant properties, self-cleaning and contamination resistance.
Water fluorine-carbon nanapaint of the present invention is formed by following prescription:
Constituent weight (part)
Aqueous vinyl fluorine carbon emulsion 20～60
Nano material 0.01～0.8
Pigment 10～25
Filler 0～37
Water 16～27
Dispersion agent 0.1～0.8
Defoamer 0.1～0.5
Antimildew disinfectant 0.01～0.1
Film coalescence aid 0.01～1
Thickening material 0.06～0.9
Neutralizing agent adjusting pH value is 8～9 amount
Functional agent 0.01～0.1
Each constituent all is the commercial goods in the above-mentioned prescription.
The aqueous vinyl fluorine carbon emulsion is commercially available water-base fluorocarbon emulsion, and solids content is 50 ± 2%, is the filmogen for product.
Nano material is one or more the mixture in commercially available nanometer ferric oxide, nano-titanium oxide, nano-calcium carbonate, nano zine oxide, nano phase ag_2 o, the nano zircite.
Pigment can be chosen the commercial goods wantonly by the needs of coating color matching, for example can be titanium dioxide, wollastonite powder, pearly-lustre bronze, the mixture of one or more in the different mill bases of pearly-lustre silver powder and pigment of all kinds preparation.
Filler is one or more the mixture in commercially available zinc sulfide white, talcum powder, pure aluminium silicate, the lime carbonate.
Dispersion agent is one or more the mixture in commercially available poly carboxylic acid sodium, oleoyl alkylene oxide copolymers, polysiloxane, sodium polyacrylate, the poly amic acid.
Defoamer is the siliceous and multiple mixture of the special oil base in commercially available ore deposit, the emulsification of aliphatic hydrocarbon, non-silicone organic ester hydrocarbon polymer, non-silicone amine hydrocarbon polymer, contain in the hydrophobic particles mineral oil mixture one or more mixture.
Anticorrosion and bactericidal agent is one or more a mixture in commercially available nitrogenous organic heterocyclic molecule, termil, 5 chlorine, 2 toluene 4 isothiazolines-3 ketone, the 2-n-octyl-4-isothiazoline-3-ketone.
Film coalescence aid is one or more the mixture in commercially available ethylene glycol monobutyl ether, 12 carbon alcohol esters, dipropylene glycol butyl ether, ethylene glycol, propylene-glycol ethyl ether, the propylene glycol butyl ether.
Thickening material is one or more the mixture in commercially available modified polyacrylic acid sodium, modified polypropene acid amide, ethoxyquin urethane polymer, the non-ionic polyurethane compound.
Neutralizing agent is one or more the mixture in commercially available dimethylethanolamine, thanomin, ammoniacal liquor, the potassium hydroxide, and ammonia concn commonly used is 27%.
Functional agent is one or more the mixture in commercially available water nano hydrophobizing agent, water nano antiager, the anti-stain resistant agent of water nano, water nano toughener, the water nano water-resisting agent.
The production method of water fluorine-carbon nanapaint of the present invention:
By water, titanium dioxide, filler, nano material, anticorrosion and bactericidal agent, dispersion agent, defoamer and the film coalescence aid of above-mentioned prescription weighing, stir on the reinforced limit of ingredients pot inner edge, stirring velocity is 1000～1600 rev/mins; The above-mentioned compound that stirs is carried out mechanical breast again close, make intermediate grout, its fineness reaches 40～60 μ m, viscosity is 20～25 seconds; And then with above-mentioned intermediary intermediate grout, in another ingredients pot, add described aqueous vinyl fluorine carbon emulsion while stirring, stirring velocity is 400～600 rev/mins, neutralizing agent use in the back that stirs, and for example concentration is that 27% ammoniacal liquor adjusting pH value reaches 8～9, adds thickening material, functional agent, defoamer again, and add color pigments on request, be used to adjust gloss, color and luster, viscosity, and get coating products with 80～100 order net filtrations, the viscosity of product is 40～50 seconds.
The salient features of the water fluorine-carbon nanapaint that production method of the present invention makes, with the premium grads technical indicator comparison of CN1322775A bibliographical information value, standard GB/T 9755-2001 " exterior wall coating material of synthetic resin emulsion ", as shown in table 1.
Table 1
| Performance project | Reported in literature | The GB/T9755-2001 premium grads | Coating products of the present invention |
| At condition in container | No lump.Be uniform state after the stirring | No lump.Be uniform state after the stirring | No lump.Be uniform state after the stirring |
| Application property | It is accessible to brush two roads | It is accessible to brush two roads | It is accessible to brush two roads |
| Appearance of film | Normally | Normally | Smooth, lotus leaf is arranged |
| Contrast ratio | 0.93 | 〉=0.93 | 〉=0.96 |
| Artificial weathering | The 250h paint film does not have efflorescence | 600h | 〉=2000h |
| Contamination resistance | ≤ 15 | ≤ 12 | |
| Abrasion resistance | ＞5000 times | 〉=2000 times | 〉=12000 times |
| Alkali resistance | 288h is no abnormal | 48h is no abnormal | 〉=288h is no abnormal |
| Water tolerance | 288h is no abnormal | 96h is no abnormal | 〉=288h is no abnormal |
| Acid resistance (30% sulfuric acid) | - | - | 148h is no abnormal |
| Salt fog resistance | - | - | 〉=1000h |
Show from above-listed performance comparison, water fluorine-carbon nanapaint of the present invention has really embodied weathering resistance, contamination resistance, abrasion resistance, water tolerance and the chemical resistant properties of fluorocarbon coating excellence, can be widely used in the application of building inside and outside wall, concrete structure crop, also can be widely used in the surface decoration of aviation, navigation, industry, every field such as civilian.
The invention has the beneficial effects as follows, adopt reasonable scientific formula, overcome the shortcoming that exists in the prior art, a kind of single-component water-based nano-fluorine carbon coating is provided.Because the present invention is single-component water-based fluorocarbon coating, does not need before use to add solidifying agent again, and is easy to use.And introduced nano material, the coating products performance is increased substantially.Utilize the hydrophobicity of nano material and the characteristic of photochemical decomposition effect, can remove in the air the contamination of acid, alkaline gas and organic pollutant paint film.The characteristic that light permeable rate height, chemical resistance in conjunction with fluorine carbon emulsion be good, can resist light-catalysed oxygenizement, therefore the appearance of film of coating products of the present invention is the smooth lotus leaf that has, and has excellent weathering resistance, self-cleaning, stain resistance, water tolerance and chemical resistant properties.Its weather resistance can reach 15～20 years, is 3～5 times of silicon third, pure third, phenylpropyl alcohol class coating working life, and the product easy construction, cost is low, the life-span is long, meet requirements such as environmental protection index.
Embodiment
The following examples will the invention will be further elaborated, but do not limit the scope of the invention.
Embodiment 1: the production of white inferior light water nano fluorocarbon exterior wall coating:
Add following material in stainless steel vessel on one side, Yi Bian stir, stirring velocity is 1000～1600 rev/mins.Its weight is as follows:
Water 16kg
Titanium dioxide (pigment) 22kg
Talcum powder (filler) 5kg
Pure aluminium silicate (filler) 5kg
Ethylene glycol (film coalescence aid) 1kg
12 carbon alcohol ester (film coalescence aid) 0.01kg
Nano zine oxide (water nano material) 0.1kg
Poly carboxylic acid amine (dispersion agent) 0.2kg
Special oil base siliceous (defoamer) 0.01kg in ore deposit
2-n-octyl-4-isothiazoline-3-ketone (anticorrosion and bactericidal agent) 0.01kg
Then the above-mentioned compound that stirs is carried out mechanical breast again and close, make intermediate grout, its fineness reaches 40～60 μ m, and viscosity is 20～25 seconds.
With above-mentioned intermediate grout, stir in another ingredients pot, stirring velocity is 400～600 rev/mins again, and adds following material while stirring, and its weight is as follows:
Vinyl fluoride carbon emulsion 50kg
Special oil base siliceous (defoamer) 0.01kg in ore deposit
27% ammoniacal liquor (neutralizing agent) adjusting pH value is 8～9 amount
Modified polyacrylic acid sodium (thickening material) 0.06kg (viscosity is transferred to 40～50 seconds)
Water nano toughener (functional agent) 0.01kg
And with 80～100 order net filtrations, coating products viscosity is 40～50 seconds.Through sampling Detection, finished product packing, warehouse-in after qualified.
White inferior light water nano fluorocarbon exterior wall coating so that aforesaid method makes reaches through surveying its basic mechanical design feature:
Artificial weathering ageing resistance 2400h
Abrasion resistance 13370 times
Contamination resistance＜12
Volatile organic compounds (VOC value) 76g/L
Alkali resistance 〉=288h is no abnormal
Water tolerance 〉=288h is no abnormal
Acid resistance (30% sulfuric acid) 148h
Salt fog resistance 〉=1000h
Other performance has also all surpassed standard GB/T 9755-2001 " exterior wall coating material of synthetic resin emulsion " premium grads technical indicator significantly.
Embodiment 2～4:
Water nano fluorocarbon exterior wall coating prescription is as following table 2.
Table 2 weight: kg
Production craft step is with embodiment 1.
With the water fluorine-carbon nanapaint that aforesaid method makes, basic mechanical design feature is all similar to the technical feature data of embodiment 1.
Embodiment 5～6:
Water nano fluorine carbon interior wall coating prescription is as following table 3.
Table 3 weight: kg
Production craft step is with embodiment 1.
With the water nano fluorine carbon interior wall coating that aforesaid method makes, basic mechanical design feature is as follows:
Abrasion resistance＞5000 time
Volatile organic compounds (VOC value)＜80g/L
Free formaldehyde mg/L≤0.1
Heavy metal content mg/kg
Dissoluble lead 0
Soluble cadmium＜1
Soluble chromium＜1
Soluble mercury 0
Antibiotic rate (24 hours) %＞50
These parameters is better than the technical indicator of limits of harmful substances among standard GB/T 9756-2001 " synthetic resin emulsion interior wall coating " premium grads and the GB 18582-2001 " indoor decorating material interior wall coating " significantly.
Claims (12)
1. water fluorine-carbon nanapaint is characterized in that forming by following prescription:
Constituent weight (part)
Aqueous vinyl fluorine carbon emulsion 20～60
Nano material 0.01～0.8
Pigment 10～25
Filler 0～37
Water 16～27
Dispersion agent 0.1～0.8
Defoamer 0.1～0.5
Antimildew disinfectant 0.01～0.1
Film coalescence aid 0.01～1
Thickening material 0.06～0.9
Neutralizing agent adjusting pH value is 8～9 amount
Functional agent 0.01～0.1.
2. water fluorine-carbon nanapaint according to claim 1 is characterized in that: described nano material is one or more the mixture in nanometer ferric oxide, nano-titanium oxide, nano-calcium carbonate, nano zine oxide, nano phase ag_2 o, the nano zircite.
3. water fluorine-carbon nanapaint according to claim 1 is characterized in that; Described pigment is titanium dioxide, wollastonite powder, pearly-lustre bronze, the mixture of one or more in the different mill bases of pearly-lustre silver powder and pigment of all kinds preparation.
4. water fluorine-carbon nanapaint according to claim 1 is characterized in that; Described filler is one or more the mixture in zinc sulfide white, talcum powder, pure aluminium silicate, the lime carbonate.
5. water fluorine-carbon nanapaint according to claim 1 is characterized in that; Described dispersion agent is one or more the mixture in poly carboxylic acid sodium, oleoyl alkylene oxide copolymers, polysiloxane, sodium polyacrylate, the poly amic acid.
6. water fluorine-carbon nanapaint according to claim 1 is characterized in that; Described defoamer is the siliceous and multiple mixture of the special oil base in ore deposit, the emulsification of aliphatic hydrocarbon, non-silicone organic ester hydrocarbon polymer, non-silicone amine hydrocarbon polymer, contain in the hydrophobic particles mineral oil mixture one or more mixture.
7. water fluorine-carbon nanapaint according to claim 1 is characterized in that; Described anticorrosion and bactericidal agent is one or more a mixture in nitrogenous organic heterocyclic molecule, termil, 5 chlorine, 2 toluene 4 isothiazolines-3 ketone, the 2-n-octyl-4-isothiazoline-3-ketone.
8. water fluorine-carbon nanapaint according to claim 1 is characterized in that; Described film coalescence aid is one or more the mixture in ethylene glycol monobutyl ether, 12 carbon alcohol esters, dipropylene glycol butyl ether, ethylene glycol, propylene-glycol ethyl ether, the propylene glycol butyl ether.
9. water fluorine-carbon nanapaint according to claim 1 is characterized in that; Described thickening material is one or more the mixture in modified polyacrylic acid sodium, modified polypropene acid amide, ethoxyquin urethane polymer, the non-ionic polyurethane compound.
10. water fluorine-carbon nanapaint according to claim 1 is characterized in that; Described neutralizing agent is one or more the mixture in dimethylethanolamine, thanomin, ammoniacal liquor, the potassium hydroxide.
11. water fluorine-carbon nanapaint according to claim 1 is characterized in that; Described functional agent is one or more the mixture in water nano hydrophobizing agent, water nano antiager, the anti-stain resistant agent of water nano, water nano toughener, the water nano water-resisting agent.
12. the production method of the described water fluorine-carbon nanapaint of claim 1 is characterized in that; Will be by water, pigment, filler, nano material, anticorrosion and bactericidal agent, dispersion agent, defoamer and the film coalescence aid of the described prescription weighing of claim 1, stir on, limit reinforced at the ingredients pot inner edge, stirring velocity is 1000～1600 rev/mins, the above-mentioned compound that stirs is carried out mechanical breast again to be closed, make intermediate grout, its fineness reaches 40～60 μ m, viscosity is 20～25 seconds; And then with described intermediate grout, in another ingredients pot, add described aqueous vinyl fluorine carbon emulsion while stirring, stirring velocity is 400～600 rev/mins, regulate pH value with neutralizing agent after stirring and reach 8～9, add thickening material, functional agent, defoamer again, and add color pigments on request, stir, with 80～100 order net filtrations, coating products viscosity is 40～50 seconds.
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| CN 02136833 CN1200058C (en) | 2002-09-05 | 2002-09-05 | Water fluorine-carbon nanapaint and producing process thereof |
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| CN 02136833 CN1200058C (en) | 2002-09-05 | 2002-09-05 | Water fluorine-carbon nanapaint and producing process thereof |
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2002
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