CN110373107A - Self-cleaning coating composition, coating and its coating and kitchen electric equipment - Google Patents
Self-cleaning coating composition, coating and its coating and kitchen electric equipment Download PDFInfo
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- CN110373107A CN110373107A CN201910704464.3A CN201910704464A CN110373107A CN 110373107 A CN110373107 A CN 110373107A CN 201910704464 A CN201910704464 A CN 201910704464A CN 110373107 A CN110373107 A CN 110373107A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/10—Block or graft copolymers containing polysiloxane sequences
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2251—Oxides; Hydroxides of metals of chromium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2262—Oxides; Hydroxides of metals of manganese
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Abstract
The present invention relates to self-cleaning coating field, a kind of self-cleaning coating composition, coating and its coating and kitchen electric equipment are disclosed.Self-cleaning coating composition of the invention contains organic siliconresin, chromium-containing oxide, containing Mn oxide, the nanoparticle with photocatalytic activity, organic solvent and dispersing agent.The coating formed by self-cleaning coating composition of the invention, oil smoke and grease for occurring when adsorbable baking food etc., oil smoke and grease are in a high temperauture environment in coating under the catalysis of catalyst, automatic classifying is drained into air at carbon dioxide and water, to reach the work living environment of health environment-friendly, make the kitchen appliances such as oven that can be not subjected to the secondary pollution of detergent from the cleaning of greasy dirt simultaneously.
Description
Technical field
The present invention relates to self-cleaning coating fields, and in particular to a kind of self-cleaning coating composition, coating and its coating and
Kitchen electric equipment.
Background technique
With the development of economy, improvement of living standard, requirement of the people for household appliances is higher and higher, especially long
Time high-frequency contacts various greasy dirts, condiment, the oven of soda acid, oven class kitchen appliance material, and people are in addition to Conventional high quality
Product barbecue performance outside, also requiring product during the work time not have the pollutions such as the exudation of oil smoke, product surface greasy dirt easy
In the requirement of cleaning etc..
Current oven or oven substantially takes three kinds of schemes in solution oil smoke and greasy dirt, and scheme one, use is general
Logical metal material such as alclad sheet, stainless steel plate directly pass through gas vent in the work of oven or oven directly as cavity
The oil smoke of baked food is vented directly to free surrounding space, rests on oven, the greasy dirt in oven cavity wall is adopted after cavity is cooling
Manual scouring is carried out with detergent, there are heavy workloads for this technical solution, and environmental pollution is serious, and there are secondary pollution,
It is unhealthy with it is environmentally friendly.Its scheme two, on the basis of scheme one, oven or oven cavity increase high-power heat-generating pipe dress
It sets, in the greasy dirt in cleaning ovens, oven cavity wall, opens high power heating tube element, cavity wall heating, temperature reaches 450 degree
More than, greasy dirt is carbonized, then cools down, carries out manual scouring using detergent, this technical solution often claims " automatically cleaning technology ", but
In this way, first is that cleaning time is long, spent energy cost is high, while oven or oven itself will increase high function
The infrastructure cost of power system and heat-insulation and heat-preservation system, oven or oven itself is higher, although and manual cleaning amount
It reduces, but equally exists secondary pollution, unfavorable health and environmental protection.Its scheme three, one layer of spraying is low on oven or oven inner wall
Surface energy coat bond greasy dirt can not on surface, just easier when cleaning in this way, but equally exist the oil smoke of discharge
The problem of polluting surrounding enviroment.
Summary of the invention
The purpose of the invention is to overcome the diffusion problem of oil smoke of the existing technology and greasy dirt to glue in cavity wall
The problem of knot, provides a kind of self-cleaning coating composition, coating and its coating and the kitchen electric equipment coated with the coating.By this
The coating that the self-cleaning coating composition of invention is formed, oil smoke and grease that when adsorbable baking food occurs etc., oil smoke with it is oily
In a high temperauture environment in coating under the catalysis of catalyst, automatic classifying is drained into air rouge at carbon dioxide and water, thus
Reach the work living environment of health environment-friendly, while making the kitchen appliances such as oven that can be not subjected to clean from the cleaning of greasy dirt
The secondary pollution of agent.
The present inventor is had found by in-depth study, by containing organic siliconresin, chromium-containing oxide, oxygen containing manganese
Compound, the nanoparticle with photocatalytic activity, organic solvent and dispersing agent coating composition form coating, it is not only adsorbable
Oil smoke and grease for occurring when baking food etc., and the catalysis of oil smoke and catalyst in grease in a high temperauture environment coating
Under, automatic classifying is drained into air at carbon dioxide and water, has thus completed the present invention
That is, to achieve the goals above, first aspect present invention provides a kind of self-cleaning coating composition, the combination
Object contains organic siliconresin, chromium-containing oxide, containing Mn oxide, the nanoparticle with photocatalytic activity, organic solvent, dispersion
Agent and foaming agent.
Preferably, the composition contain the organic siliconresin of 20-40 weight %, 1-15 weight % chromium-containing oxide,
1-15 weight % containing Mn oxide, the nanoparticle with photocatalytic activity of 0.005-0.07 weight %, 30-60 weight %
Organic solvent and 0.2-1.2 weight % dispersing agent and 0.001-1 weight % foaming agent.
Preferably, the organic siliconresin is methyl phenyl silicone resin, the organic siliconresin of polyester modification, polyimides change
The organic siliconresin and epoxy-modified organic siliconresin of property are one or more.
Preferably, the chromium-containing oxide is chrome green.
Preferably, the Mn oxide that contains is manganese dioxide and/or manganese monoxide.
Preferably, the nanoparticle with photocatalytic activity is titanium dioxide nano-particle, zinc oxide nano-particle
With one of zirconium dioxide nanoparticles or a variety of.
Preferably, the organic solvent is propylene glycol methyl ether acetate, n-butyl acetate, ethyl acetate and diformazan butyl benzenesulfonamide
One of or it is a variety of.
Preferably, the dispersing agent is one of Sodium Polyacrylate, ammonium polyacrylate and sodium pyrophosphate or a variety of.
Preferably, antibacterial agent of the composition also containing 0.001-0.005 weight %.
Preferably, levelling agent of the composition also containing 0.05-0.5 weight %.
Preferably, anti-settling agent of the composition also containing 0.2-1 weight %.
Preferably, pigment of the composition also containing 1-5 weight %.
Second aspect of the present invention provides a kind of self-cleaning coating, and the self-cleaning coating is by applying automatically cleaning of the invention
Each ingredient of feed composition mixes.
Third aspect present invention provides a kind of automatic cleaning coating, and the automatic cleaning coating is by applying automatically cleaning of the invention
Through being heat-treated after material coating.
Fourth aspect present invention provides a kind of kitchen electric equipment, and the kitchen electric equipment at least partly surface is coated with this hair
Bright automatic cleaning coating.
Preferably, the kitchen electric equipment is one of oven, micro-wave oven and steaming and baking box or a variety of.
Self-cleaning coating composition according to the present invention has the nanoparticle of photocatalytic activity by being added, and can be changed
Coating assigns the surface energy properties under hot conditions, and coating is easier absorption grease, oil gas etc. under the high temperature conditions；Pass through addition
Chromium-containing oxide can increase the scraping and wiping resistance performance of coating；Coating can be made to generate light absorption coloring effect containing Mn oxide by being added
It answers；From there through the synergistic effect of ingredient each in composition, oil smoke can be effectively adsorbed, and it can effectively be decomposed,
It to reach the work living environment of health environment-friendly, while be not subjected to the kitchen appliances such as oven can from the cleaning of greasy dirt
The secondary pollution of detergent.
Self-cleaning coating composition according to the present invention can make to apply by further containing foaming agent in the composition
Layer forms porous loose structure to increase contact area, it is possible thereby to coating is further increased to the adsorption capacity of oil smoke, thus
Improve the self-cleaning effect of coating.
Self-cleaning coating composition according to the present invention can make to apply by further containing antibacterial agent in the composition
Layer has sterilization, the smelly effect of mildew proof.
Specific embodiment
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or
Value should be understood as comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively
It can be combined with each other between the endpoint value of a range and individual point value, and individually between point value and obtain one or more
New numberical range, these numberical ranges should be considered as specific open herein.
According to the first aspect of the invention, a kind of self-cleaning coating composition (hereinafter also referred to as composition), the group are proposed
Close object contain organic siliconresin, chromium-containing oxide, containing Mn oxide, the nanoparticle with photocatalytic activity, organic solvent, point
Powder and foaming agent.
According to the present invention, from the oil smoke adsorption capacity and oil smoke for further increasing the coating that self-cleaning coating composition is formed
Consider in terms of capacity of decomposition, it is preferable that the composition contains the organic siliconresin of 20-40 weight %, 1-15 weight %
Chromium-containing oxide, 1-15 weight % containing Mn oxide, 0.005-0.07 weight % the nanoparticle with photocatalytic activity,
The foaming agent of the organic solvent of 30-60 weight %, the dispersing agent of 0.2-1.2 weight % and 0.001-1 weight %；More preferably
Ground, the composition contain the organic siliconresin of 25-35 weight %, the chromium-containing oxide of 3-12 weight %, 3-12 weight %
Containing Mn oxide, the nanoparticle with photocatalytic activity of 0.01-0.05 weight %, 35-58 weight % organic solvent,
The dispersing agent of 0.5-1 weight % and the foaming agent of 0.001-0.5 weight %；It is highly preferred that the composition contains 28-35 weight
Measure the organic siliconresin of %, the chromium-containing oxide of 3-8 weight %, 3-8 weight % contain Mn oxide, 0.02-0.05 weight %
The nanoparticle with photocatalytic activity, the organic solvent of 52-56 weight %, the dispersing agent of 0.5-1 weight % and
The foaming agent of 0.001-0.005 weight %.
In the present invention, there is the nanoparticle of photocatalytic activity by being added, coating can be changed and assign under hot conditions
Surface energy properties, coating is easier absorption grease, oil gas etc. under the high temperature conditions；Painting can be increased by the way that chromium-containing oxide is added
The scraping and wiping resistance performance of layer；By be added containing Mn oxide can make coating generate light absorption chromatic effect；From there through in composition
The synergistic effect of each ingredient can effectively adsorb oil smoke, and it can effectively be decomposed, to reach the work of health environment-friendly
Make living environment, while making the kitchen appliances such as oven that can be not subjected to the secondary pollution of detergent from the cleaning of greasy dirt.
Preferably, the organic siliconresin be methyl phenyl silicone resin, it is polyester modified organic silicone resin, polyimide modified
One of organic siliconresin and epoxy modified silicone resin are a variety of.It is highly preferred that the organic siliconresin is methylbenzene
Base silicone resin and/or polyester modified organic silicone resin.
It can be commercially available, can be used for example purchased from the new four seas chemical industry share in Hubei as the organic siliconresin
The methyl phenyl silicone resin of Co., Ltd, Jiangsu Miki Chemical Co., Ltd SM1120, SM145 model, purchased from Germany
The SILRESR MP 50E model of Wa Ke company is new purchased from Beijing Kai Ruijie Cheng purchased from the RSN-0840 model of Dow Corning Corporation
7710 of material Science and Technology Ltd. etc..
In the present invention, in order to further improve the scraping and wiping resistance performance of coating, it is preferable that the chromium-containing oxide is three
Aoxidize two chromium.
In the present invention, in order to further make coating generate light absorption chromatic effect, it is preferable that it is described contain Mn oxide
For manganese dioxide and/or manganese monoxide.
In the present invention, the nanoparticle with photocatalytic activity various can urge to be commonly used in the art with light
Change active nanoparticle, as such nanoparticle for example, titanium dioxide nano-particle, the zinc oxide nano grain of rice
One of son and zirconium dioxide nanoparticles are a variety of.Preferably, the nanoparticle with photocatalytic activity is dioxy
Change titanium nanoparticle.
In the present invention, the dispersing agent plays a role as interfacial agent, and each ingredient can be promoted described organic molten
It is evenly dispersed in agent.Preferably, the dispersing agent is one of Sodium Polyacrylate, ammonium polyacrylate and sodium pyrophosphate or more
Kind.
It can be commercially available as the Sodium Polyacrylate and ammonium polyacrylate, the Sodium Polyacrylate for example can be with
Purchased from Hangzhou is poly- and Biotechnology Co., Ltd.The ammonium polyacrylate such as volume can make the science and technology prosperous limited purchased from the grand safe perseverance in Beijing
Company, LTHX-282.
According to the present invention, the foaming agent can for commonly used in the art for the various substances of foaming, for example,
One of azodicarbonamide, Barium azodicarboxylate and hydrazide kind compound are a variety of.Preferably, the foaming agent is azo
Diformamide.
According to the present invention, it is sterilized to have coating, the smelly effect of mildew proof, it is preferable that the composition also contains
There is the antibacterial agent of 0.001-0.005 weight %；It is highly preferred that antibacterial of the composition also containing 0.002-0.005 weight %
Agent.
Above-mentioned antibacterial agent can be the various substances of the usual antibacterial in this field, such as can be silver nitrate, silver zeolite and silver-
One of zinc phosphate is a variety of.
In accordance with the present invention it is preferred that the composition also contains levelling agent.The levelling agent can usually make for this field
For promoting coating to form the various substances of a smooth, smooth, uniform film during the drying and film forming process.It is preferred that
Ground, the levelling agent are polyester modification dimethyl silicone polymer, polyether-modified Dimethicone Copolyol body and polyacrylic acid
One of ester is a variety of.
As the dosage of the levelling agent, for example, the composition can contain on the basis of the total amount of the composition
The levelling agent of 0.05-0.5 weight %；Preferably, on the basis of the total amount of the composition, the composition contains 0.2-0.5
The levelling agent of weight %.
Above-mentioned levelling agent can be commercially available, such as can be the Bi Ke BYK310 for being purchased from German Bi Ke chemical company and finish
Gram BYK301.
In accordance with the present invention it is preferred that the composition also contains anti-settling agent.The anti-settling agent can usually make for this field
Make coating that there are thixotropic various substances.As such anti-settling agent for example, the N- methyl pyrrole of modified polyurea
Pyrrolidone.
As the dosage of the anti-settling agent, for example, the composition also contains on the basis of the total amount of the composition
The anti-settling agent of 0.2-1 weight %；Preferably, on the basis of the total amount of the composition, the composition also contains 0.3-1 weight
Measure the anti-settling agent of %.
Above-mentioned anti-settling agent can be commercially available, such as can be and be purchased from the Bi Ke BYK-410 of German Bi Ke chemical company and (change
The N-Methyl pyrrolidone of property polyureas).
According to the present invention, consider in terms of raising product appearance, it is preferable that the composition also contains 0.5-5
The pigment of weight %；It is highly preferred that pigment of the composition also containing 1-3 weight %.Above-mentioned pigment for example can be carbon black
With one of chromium trioxide or a variety of.
According to the second aspect of the invention, the present invention provides a kind of self-cleaning coating, and the self-cleaning coating is by sending out this
Each ingredient of bright self-cleaning coating composition mixes.
According to the present invention, of the invention from clear by the way that each ingredient of self-cleaning coating composition of the invention to be mixed to get
Clean coating, there is no particular limitation for the mixed method, as long as can be sufficiently mixed each ingredient of composition.Such as
Each ingredient of composition can be mixed together, obtain self-cleaning coating；The chromium-containing oxide, the manganese that contains can also be aoxidized
It is used as filler A after object and the nanoparticle mixing with photocatalytic activity, after organic solvent and organic siliconresin are mixed
As base-material B, then filler A is mixed with filler B and other ingredients used as needed, obtains automatically cleaning painting
Material.
There is no particular limitation for above-mentioned mixed method, such as can pass through means well known to stirring, ultrasound etc..
According to the third aspect of the invention we, a kind of automatic cleaning coating is provided, the automatic cleaning coating by by it is of the invention from
It cleans after coating coats through being heat-treated.
There is no particular limitation for the method for above-mentioned coating, can be carried out using method commonly used in the art, such as can
To be carried out using coating method well known to spraying, showering, roller coating, spin coating, blade coating etc..
In addition, the temperature that the condition of above-mentioned heat treatment includes: heat treatment is 200-380 DEG C, heat treatment time is 10-20 points
Clock.
According to the fourth aspect of the invention, a kind of kitchen electric equipment is provided, the kitchen electric equipment at least partly surface coats
There is automatic cleaning coating of the invention.
According to the present invention, the kitchen electric equipment can be one of oven, micro-wave oven and steaming and baking box or a variety of.
The present invention will be described in detail by way of examples below.
In following embodiment and comparative example, unless otherwise instructed, " % " expression " weight % ".
In following embodiment and comparative example,
Methyl phenyl silicone resin: it is purchased from Hubei xinsihai Chemical Co., Ltd.；
Polyester modified organic silicone resin: Beijing Kai Ruijie is purchased from the 7710 of new material Science and Technology Ltd.；
Nano-titania particle: it is purchased from Japanese TAYCA AMT-100；
Sodium Polyacrylate: gathering purchased from Hangzhou and Biotechnology Co., Ltd；
Ammonium polyacrylate: making the science and technology prosperous Co., Ltd purchased from the grand safe perseverance in Beijing, LTHX-282；
Sodium pyrophosphate: it is purchased from Guangzhou Run Zhan Chemical Co., Ltd.；
Azodicarbonamide: it is purchased from chemical conversion industry Co., Ltd., Yonghe County；
Bi Ke BYK310 and Bi Ke BYK301: it is purchased from German Bi Ke chemical company；
Bi Ke BYK-410: the N-Methyl pyrrolidone of modified polyurea is purchased from German Bi Ke chemical company.
Embodiment 1
Each component part percentage of self-cleaning coating, self-cleaning coating composition composition are as shown in table 1.
Table 1
| Ingredient | Content | |
| Organic siliconresin | Methyl phenyl silicone resin | 28% |
| Chromium-containing oxide | Chrome green | 5% |
| Containing Mn oxide | Manganese dioxide | 5% |
| Nanoparticle with photocatalytic activity | Nano-titania particle | 0.03% |
| Dispersing agent | Sodium Polyacrylate | 0.6% |
| Foaming agent | Azodicarbonamide | 0.005% |
| Levelling agent | Bi Ke BYK310 | 0.5% |
| Anti-settling agent | Bi Ke BYK-410 | 0.3% |
| Pigment | Carbon black color | 5% |
| Organic solvent | Propylene glycol methyl ether acetate | It is supplemented to 100% |
Self-cleaning coating the preparation method is as follows:
Production filler A: it by chromium-containing oxide, is uniformly mixed containing Mn oxide and nano-titanium dioxide and obtains filler A.
Production base-material B: organic siliconresin is dissolved in organic solvent, base-material B is obtained.
Filler A is added in base-material B, and foaming agent is added into solution and stirs, stream is rapidly added in whipping process
Flat agent, anti-settling agent and carbon black color, stirring and mixing are uniformly fitted into container afterwards and seal, and save in normal temperature environment (25 ± 2 DEG C)
It is spare.
In use, the above-mentioned paint roller prepared is shaken up, it is sprayed on the clean alclad sheet base of pretreatment cleaning
On material (as oven, the substrate of oven inner wall), through high-temperature baking 15 minutes of 260 DEG C -280 DEG C, work of the coating in foaming agent
Under, one layer of high temperature coating C1 for having open structure is formed.
Embodiment 2
Each component part percentage of self-cleaning coating, self-cleaning coating composition composition are as shown in table 2.
Table 2
| Ingredient | Content | |
| Organic siliconresin | Polyester modified organic silicone resin | 32% |
| Chromium-containing oxide | Chrome green | 4% |
| Containing Mn oxide | Manganese monoxide | 4% |
| Nanoparticle with photocatalytic activity | Nano-titania particle | 0.04% |
| Dispersing agent | Ammonium polyacrylate | 0.8% |
| Foaming agent | Azodicarbonamide | 0.004% |
| Levelling agent | Bi Ke BYK301 | 0.5% |
| Anti-settling agent | Bi Ke BYK-410 | 0.9% |
| Pigment | Carbon black color | 4% |
| Organic solvent | N-butyl acetate | It is supplemented to 100% |
Self-cleaning coating the preparation method is as follows:
Production filler A: it by chromium-containing oxide, is uniformly mixed containing Mn oxide and nano-titanium dioxide and obtains filler A.
Production base-material B: organic siliconresin is dissolved in organic solvent, base-material B is obtained.
Filler A is added in base-material B, and foaming agent is added into solution and stirs, stream is rapidly added in whipping process
Flat agent, anti-settling agent and carbon black color, stirring and mixing are uniformly fitted into container afterwards and seal, and save in normal temperature environment (25 ± 2 DEG C)
It is spare.
In use, the above-mentioned paint roller prepared is shaken up, be sprayed on the clean aluminium sheet of pretreatment cleaning (as
The substrate of oven, oven inner wall) on, through high-temperature baking 15 minutes of 260 DEG C -280 DEG C, coating was under the action of foaming agent, shape
The high temperature coating C2 of open structure is had at one layer.
Embodiment 3
Each component part percentage of self-cleaning coating, self-cleaning coating composition composition are as shown in table 3.
Table 3
| Ingredient | Content | |
| Organic siliconresin | Methyl phenyl silicone resin | 35% |
| Chromium-containing oxide | Chrome green | 3% |
| Containing Mn oxide | Manganese dioxide | 3% |
| Nanoparticle with photocatalytic activity | Nano-titania particle | 0.05% |
| Dispersing agent | Sodium pyrophosphate | 0.7% |
| Foaming agent | Azodicarbonamide | 0.003% |
| Levelling agent | Bi Ke BYK301 | 0.2% |
| Anti-settling agent | Bi Ke BYK-410 | 0.5% |
| Pigment | Carbon black color | 5% |
| Organic solvent | N-butyl acetate | It is supplemented to 100% |
Self-cleaning coating the preparation method is as follows:
Production filler A: it by chromium-containing oxide, is uniformly mixed containing Mn oxide and nano-titanium dioxide and obtains filler A.
Production base-material B: organic siliconresin is dissolved in organic solvent, base-material B is obtained.
Filler A is added in base-material B, and foaming agent is added into solution and stirs, stream is rapidly added in whipping process
Flat agent, anti-settling agent and carbon black color, stirring and mixing are uniformly fitted into container afterwards and seal, and save in normal temperature environment (25 ± 2 DEG C)
It is spare.
In use, the above-mentioned paint roller prepared is shaken up, it is sprayed on the clean stainless steel plate of pretreatment cleaning
On (as oven, the substrate of oven inner wall), through high-temperature baking 15 minutes of 260 DEG C -280 DEG C, effect of the coating in foaming agent
Under, form one layer of high temperature coating C3 for having open structure.
Embodiment 4
Each component part percentage of self-cleaning coating, self-cleaning coating composition composition are as shown in table 4.
Table 4
| Ingredient | Content | |
| Organic siliconresin | Polyester modified organic silicone resin | 29% |
| Chromium-containing oxide | Chrome green | 6% |
| Containing Mn oxide | Manganese dioxide | 6% |
| Nanoparticle with photocatalytic activity | Nano-titania particle | 0.05% |
| Dispersing agent | Ammonium polyacrylate | 1% |
| Foaming agent | Azodicarbonamide | 0.005% |
| Levelling agent | Bi Ke BYK301 | 0.5% |
| Anti-settling agent | Bi Ke BYK-410 | 1% |
| Pigment | Carbon black color | 2% |
| Organic solvent | N-butyl acetate | It is supplemented to 100% |
Self-cleaning coating the preparation method is as follows:
Production filler A: it by chromium-containing oxide, is uniformly mixed containing Mn oxide and nano-titanium dioxide and obtains filler A.
Production base-material B: organic siliconresin is dissolved in organic solvent, base-material B is obtained.
Filler A is added in base-material B, and foaming agent is added into solution and stirs, stream is rapidly added in whipping process
Flat agent, anti-settling agent and carbon black color, stirring and mixing are uniformly fitted into container afterwards and seal, and save in normal temperature environment (25 ± 2 DEG C)
It is spare.
In use, the above-mentioned paint roller prepared is shaken up, be sprayed on the clean aluminium sheet of pretreatment cleaning (as
The substrate of oven, oven inner wall) on, through high-temperature baking 15 minutes of 260 DEG C -280 DEG C, coating was under the action of foaming agent, shape
The high temperature coating C4 of open structure is had at one layer.
Embodiment 5
Each component part percentage of self-cleaning coating, self-cleaning coating composition composition are as shown in table 5.
Table 5
| Ingredient | Content | |
| Organic siliconresin | Polyester modified organic silicone resin | 28% |
| Chromium-containing oxide | Chrome green | 8% |
| Containing Mn oxide | Manganese dioxide | 8% |
| Nanoparticle with photocatalytic activity | Nano-titania particle | 0.02% |
| Dispersing agent | Sodium Polyacrylate | 1% |
| Foaming agent | Azodicarbonamide | 0.002% |
| Levelling agent | Bi Ke BYK301 | 0.5% |
| Anti-settling agent | Bi Ke BYK-410 | 1% |
| Pigment | Carbon black color | 1% |
| Organic solvent | N-butyl acetate | It is supplemented to 100% |
Self-cleaning coating the preparation method is as follows:
Production filler A: it by chromium-containing oxide, is uniformly mixed containing Mn oxide and nano-titanium dioxide and obtains filler A.
Production base-material B: organic siliconresin is dissolved in organic solvent, base-material B is obtained.
Filler A is added in base-material B, and foaming agent is added into solution and stirs, stream is rapidly added in whipping process
Flat agent, anti-settling agent and carbon black color, stirring and mixing are uniformly fitted into container afterwards and seal, and save in normal temperature environment (25 ± 2 DEG C)
It is spare.
In use, the above-mentioned paint roller prepared is shaken up, be sprayed on the clean aluminium sheet of pretreatment cleaning (as
The substrate of oven, oven inner wall) on, through high-temperature baking 15 minutes of 260 DEG C -280 DEG C, coating was under the action of foaming agent, shape
The high temperature coating C5 of open structure is had at one layer.
Comparative example 1
It carries out according to the method for embodiment 1, unlike, foaming agent is not used, one layer of high temperature coating D1 is identically formed.
Comparative example 2
It carries out according to the method for embodiment 1, unlike, chromated oxide is not contained in filler A, is identically formed one layer of band
There is the coating D2 of open structure.
Comparative example 3
It carries out according to the method for embodiment 1, unlike, without containing Mn oxide is contained in filler A, it is identically formed one layer
Coating D3 with open structure.
Comparative example 4
It carries out according to the method for embodiment 1, unlike, nano-titania particle, identical landform are not contained in filler A
The coating D4 of open structure is had at one layer.
Test case 1
Coating performance and test method are as shown in table 6, and test result is as shown in table 7.Table 6
Table 7
The preferred embodiment of the present invention has been described above in detail, and still, the present invention is not limited thereto.In skill of the invention
In art conception range, can with various simple variants of the technical solution of the present invention are made, including each technical characteristic with it is any its
Its suitable method is combined, and it should also be regarded as the disclosure of the present invention for these simple variants and combination, is belonged to
Protection scope of the present invention.
Claims (16)
1. a kind of self-cleaning coating composition, which is characterized in that the composition contains organic siliconresin, chromium-containing oxide, containing manganese
Oxide, the nanoparticle with photocatalytic activity, organic solvent, dispersing agent and foaming agent.
2. composition according to claim 1, wherein the composition contains the organic siliconresin of 20-40 weight %, 1-
The chromium-containing oxide of 15 weight %, 1-15 weight % containing Mn oxide, 0.005-0.07 weight % have a photocatalytic activity
Nanoparticle, the organic solvent of 30-60 weight % and the dispersing agent of 0.2-1.2 weight % and 0.001-1 weight % hair
Infusion.
3. composition according to claim 1, wherein the organic siliconresin is methyl phenyl silicone resin, polyester modification
Organic siliconresin, polyimide modified organic siliconresin and epoxy-modified organic siliconresin it is one or more.
4. composition according to claim 1, wherein the chromium-containing oxide is chrome green.
5. composition according to claim 1, wherein the Mn oxide that contains is manganese dioxide and/or manganese monoxide.
6. composition according to claim 1, wherein the nanoparticle with photocatalytic activity is received for titanium dioxide
One of rice corpuscles, zinc oxide nano-particle and zirconium dioxide nanoparticles are a variety of.
7. composition according to claim 1, wherein the organic solvent is propylene glycol methyl ether acetate, the positive fourth of acetic acid
One of ester, ethyl acetate and diformazan butyl benzenesulfonamide are a variety of.
8. composition according to claim 1, wherein the dispersing agent is Sodium Polyacrylate, ammonium polyacrylate and burnt phosphorus
One of sour sodium is a variety of.
9. composition described in any one of -8 according to claim 1, wherein the composition also contains 0.001-0.005
The antibacterial agent of weight %.
10. composition described in any one of -8 according to claim 1, wherein the composition also contains 0.05-0.5 weight
Measure the levelling agent of %.
11. composition described in any one of -8 according to claim 1, wherein the composition also contains 0.2-1 weight %
Anti-settling agent.
12. composition described in any one of -8 according to claim 1, wherein the composition is also containing 1-5 weight %'s
Pigment.
13. a kind of self-cleaning coating, which is characterized in that the self-cleaning coating is by will be described in any one of claim 1-12
Each ingredient of self-cleaning coating composition mix.
14. a kind of automatic cleaning coating, which is characterized in that the automatic cleaning coating is by by self-cleaning coating described in claim 13
Through being heat-treated after coating.
15. a kind of kitchen electric equipment, which is characterized in that the kitchen electric equipment at least partly surface is coated with described in claim 14
Automatic cleaning coating.
16. kitchen electric equipment according to claim 15, wherein the kitchen electric equipment is oven, micro-wave oven and scorches
One of case is a variety of.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113546690A (en) * | 2021-07-28 | 2021-10-26 | 几唯(苏州)新材料科技有限公司 | Active site in-situ regeneration technology for catalytic oxidation coating of household electric oven |
| CN115595570A (en) * | 2022-07-18 | 2023-01-13 | 上海闻敬化工科技有限公司（Cn） | Application of organic silicon resin in surface treatment of metal workpiece |
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