CN1326955C - Paste type waterbased paint composition containing metal powder and coating method of metal film using the same - Google Patents
Paste type waterbased paint composition containing metal powder and coating method of metal film using the same Download PDFInfo
- Publication number
- CN1326955C CN1326955C CNB038004224A CN03800422A CN1326955C CN 1326955 C CN1326955 C CN 1326955C CN B038004224 A CNB038004224 A CN B038004224A CN 03800422 A CN03800422 A CN 03800422A CN 1326955 C CN1326955 C CN 1326955C
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- CN
- China
- Prior art keywords
- metal
- coating
- water
- metal powder
- powder
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Classifications
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/38—Paints containing free metal not provided for above in groups C09D5/00 - C09D5/36
-
- 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
- C09D5/02—Emulsion paints including aerosols
- C09D5/024—Emulsion paints including aerosols characterised by the additives
- C09D5/028—Pigments; Filters
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention relates to a paste aqueous coating composition containing metal powder. The composition can make the unique color and texture effects of metal maximized under the condition of cost reduction and can be coated on cheap material having low temperature resistance; the composition has little harm to human bodies and has no environmental pollution. The composition provides a paste aqueous coating composition containing metal powder, which comprises 100 to 500 portions by weight of metal powder of 0.1 to 100 micrometers and 1 to 100 portions by weight of aqueous adhesive of which the viscosity is 6000 cps or below 6000 cps, wherein the metal powder is selected from groups comprising copper, brass, bronze, nickel, aluminium, iron, tin, gold and silver; the aqueous adhesive comprises aqueous polyurethane resins, N, N-dimethyl formamide, acetone, silicon dioxide and water.
Description
Technical field
The present invention relates to a kind of water-based paint compositions that contains metal-powder, particularly relate to a kind of pasty state water-based paint compositions that contains metal, the metal-powder that it contains a kind of tackiness agent and doubles binder wt at least.
Background technology
For metalluster and quality being provided for various objects, adopt the method for containing metal coating or metallic coating usually.The coating and the metallic coating that contain metal are widely used in upholstery, building, industrial art and common drawing.The pigment that has some to manifest the metal color in some metallic coating is because they contain the pigment that manifests the metal color.Yet these pigment only manifest the color as the metal closely the time, do not present the gloss or the quality of metal.
The coating that contains metallic particles has been used to the gloss or the quality of exhibit metallic consumingly.But,, do not show special metal quality fully because the content of metal is very low in the containing metal coating of most conventional.
In the method for applied metal coating, adopt a kind of metallic paint and a kind of serum method of thermo spray type, wherein metal at high temperature is melted.In the method, because metal is melted and is coated, the metal quality displays with the state that it was kept.Therefore, this method has advantage improving on the decorative effect.But, because the dangerous possibility of pyroprocess.The equipment of high match also can bring the cost problem.In addition, owing to use the hot metal coating, this method can not be used for heat labile material.Therefore, exist the demand to containing metal coating, this coating can make the maximum effect of the color and the quality of metal uniqueness under the cost that reduces, and can be used for not too heat-stable cheap material.
Simultaneously, compare with method mentioned above, the containing metal coating of existing employing polyester and Resins, epoxy is wieldy.Yet this coating is the coating of two portions type, contains harmful solidifying agent.
Recently, environmental pollution, for example depletion of the ozone layer, Global warming and the acid rain that is caused by atmospheric pollution spread all over the world.That is organic solvent,---a kind of factor that causes environmental pollution---disseminates in air.Developed country has issued that rules control the discharging of organic solvent.Therefore, the notion of environmental coexistence type-products, for example not solvent-laden product and water based product begin to occur in environment protection, labor safety and environment level.Therefore, need a kind of non-environmental-pollution problem of exploitation and harmless new metallic coating composition.
Disclosure of an invention
Therefore, adopt the present invention to solve the above-mentioned problems in the prior art.The objective of the invention is under situation about reducing cost, to make metal special gloss and quality maximum effect, thereby make the content of metal-powder be at least the twice of binder wt by increasing the content of metal-powder in the metallic coating.
In addition, the purpose of this invention is to provide a kind of for example coating composition of polyurethane foam of not too heat-stable cheap material that can be used for.
Further, the objective of the invention is by use a kind of to human body almost harmless and tackiness agent that can not cause the aqueous single component type of problem of environmental pollution, a kind of water-based paint compositions that contains metal is provided, it is easy to handle, harmless and to the environment friendliness, and provide this coating composition of a kind of usefulness to form the method for metallic coating.
In order to reach these purposes, according to a specific embodiments of the present invention, a kind of metallic pasty state water-based paint compositions is provided, it contains 100 to 500 parts of weight, size is the metal-powder of 0.1-100 micron, and 1 to 100 part of weight, viscosity are 6000cps (centipoise) or more low viscous aqueous binders.
According to the present invention, metal is selected from the group of being made up of following material: copper, brass, bronze, nickel, aluminium, iron, tin, Jin Heyin.
In addition, according to the present invention, this coating composition also further comprises nonmetal, for example graphite.
Further, according to the present invention, aqueous binders comprises aqueous polyurethane resin, N, dinethylformamide, acetone, silicon-dioxide and water.
Further, according to the present invention, aqueous binders is by vinylbenzene being dissolved in vinylformic acid and amine, and said composition and water and silicon-dioxide is mixed and milk sap that obtain.
Further, according to the present invention, if desired, this aqueous binders can contain other additive.
According to another specific embodiments of the present invention, the method that is used to form metallic coating is provided, be used for providing the gloss and the quality of metal to various objects, comprise and adopt the above-mentioned pasty state water-based paint compositions that contains metal.
According to the present invention, be incorporated into the metal in the coating composition, be from required metal, to select according to corresponding use.Metal-powder can be by spraying, roll, melt or reducing---mixed method production.The diameter of metal-powder should be between the 0.1-100 micron, because such size is suitable for the coating of production paste-type.
The main raw material of tackiness agent is aqueous polyurethane, and it can be obtained by isocyanate and polyamines reaction.
According to the gross weight of tackiness agent, tackiness agent contains by weight, approximately aqueous polyurethane (the aqueous polyurethane dispersion resin by isocyanate and polyamines reaction generation of 25-32%; Aliphatics), the N of 7-12%, dinethylformamide, the acetone of 1-3%, the water of 48%-60% and other additive, and the silicon-dioxide (SiO of 0.1-5%
2).
When the content of aqueous polyurethane was lower than 25% weight, the bounding force between the metal may descend.
When simultaneously, tackiness agent is filled to the lower semisphere height of metal-powder is effective.When the content of aqueous polyurethane surpassed 32% weight, because tackiness agent is full of and surpass metal-powder lower semisphere height and solidify, tackiness agent rather than needed metallic surface were only contained in the surface of solidifying.In this case, because the surface that is formed by the coating composition that solidifies does not have metallic character, can not adopt metal to process needed aftertreatment, this surface can not have metalluster.
The metal-powder that silicon-dioxide and other additive make proportion be higher than water can also not disperse equably in sedimentation, and makes it may keep this uniform water-based metal paste state for a long time.
Except that aqueous polyurethane, can be used as tackiness agent based on acrylic acid aqueous resins.
Tackiness agent is to be dissolved in the vinylformic acid of 8-12% weight and as the amine (monoethylamine) of the 6-9% weight of neutralizing agent by the vinylbenzene (αJia Jibenyixi) with 20-35% weight, and with the water and the silicon-dioxide of said composition and 50-80% weight, and the silicon-dioxide (SiO of 0.1-5% weight
2) the mixed and milk sap that obtains.
In this case, with the identical mode of tackiness agent that with the aqueous polyurethane is main component, the residual resin composition after the water evaporates is attached on the metallic particles.
Compositional range based on acrylic acid aqueous binders is selected in the specified range that bounding force and metallic character can be provided.
In above compositional range, when adopting spraying, can under the situation that keeps uniform state, optimize atomize.
In this case, silicon-dioxide and other additive still make the metal-powder that proportion is higher than water can sedimentation and homodisperse, and make and keep this uniform water-based metal paste state to become possibility for a long time.
Half of tackiness agent or manyly form by water, and the most of moisture in emulsion type binder is evaporated under room temperature or high temperature, solidifying wherein based on polyurethane or acrylic acid resinous principle, thus form strong coating or film and between metallic particles, form bonding.
Especially, in the tackiness agent 50% or more water under room temperature or high temperature, be evaporated, thereby have only minimum tackiness agent after solidifying, to be retained in the metallic coating, thereby make the characteristic of metallic coating at least 90% and metallographic phase with, and after coatingsurface was carried out aftertreatment, coating had the physical property and the part chemical property of metal.
Therefore, when adopting the water-based paint compositions that contains metal to carry out coating, can keep most metallic character, for example the gloss of metal and oxidation characteristic according to the present invention.In addition, keeping of temperature and heat conductivity depends on selected tackiness agent.
In order to keep evenly mixed metal-powder and with the purpose of the quality maximum effect of metallic coating, the viscosity of tackiness agent should be 6000cps or lower.
According to the present invention, the metal-powder content that contains in the water-based paint compositions of metal is more much higher than prior art.The content of the metal-powder that comprises in the coating in the past is very low, and is no more than the content of tackiness agent.Therefore, the gloss of former coating is that the main component by coating is that the content of tackiness agent is determined.But opposite with former coating, according to the present invention, the content of metal-powder is two times of tackiness agent at least.The content of most preferred metal-powder is two times of tackiness agent at least.The gloss and the surface property that therefore, can have metal self according to coating composition of the present invention.Because very high according to the content of metal-powder in the coating of the present invention, this coating is a kind of coating of paste-type.According to the present invention, in order to reach the full-bodied purpose of coating that reduces paste-type, only adopt 6000cps or more low viscous tackiness agent, and mix water to reduce viscosity.
In paste-type paint composition according to the present invention, by content that reduces tackiness agent and the content that increases metal-powder, make that the distance between metal-powder is dwindled in the coating, thereby make the bounding force between metal-powder strengthen, and keep the intrinsiccharacteristic of metal to greatest extent.In addition, when the polarity of tackiness agent was very high, the tackiness agent and the unbound electron on metal-powder surface attracted each other, and the bounding force between the metallic particles is further strengthened.Therefore, can control bounding force between the metallic particles by the polarity of regulating tackiness agent.Can have high polar tackiness agent or increase additive by employing and make the polarity maximization.And the product that obtains can be used to plastics, timber, foam and metal etc.
Implement best mode of the present invention
Below the preferred embodiment of the invention will be described.In the following description of this invention, when may make theme of the present invention become unsharp, will be omitted in this known function that relates to and structure.
Form the machine-processed as follows of metallic coating of the present invention:
When adopting spray gun or brush will a kind of coating composition according to the present invention to be applied to a kind of medium density fiber (MDF) surperficial, solvent in the tackiness agent such as water and acetone can evaporate and only stay the polymkeric substance with high viscosity.
Simultaneously, because metal-powder is the sphere with predetermined diameter, polymer flows down also was full of slit between the metal-powder before solidifying, form bonding like this when polymkeric substance solidifies between metal-powder.
Especially, because the lower semisphere of metal-powder is located and freezed solidly on to polymkeric substance, most of outermost edges of handling with coating has only metal-powder.Therefore, when with current processing when containing the formed coating of water-based paint compositions of metal-powder, a spot of electric current can flow from the teeth outwards.
When this coating composition is applied to building, upholstery and industrial art and product, can use roller or painting brush.Also can adopt spraying.Form initial solidifying under the room temperature in 4-8 hour, and in 24 hours, finish and solidify.When using dryer, can finish at short notice and solidify for example 1 hour.
After solidifying, can control gloss by the aftertreatment of adopting sand paper, shredder, brush or parchment.
In addition, can be by adopting a kind of acidic liquid, for example patina
TM, control the corrosion state of metallic surface.
Embodiment 1
With 100 gram tackiness agents and 26 gram aqueous polyurethane, 10 gram N, dinethylformamide, 2 gram acetone, 50 gram water, 10 gram additives and 2 gram silicon-dioxide are mixed.Copper (fine copper) with 5 microns of diameters is mixed mutually with this mixture, and the preparation pasty state contains the water-based paint compositions of metal.
Adopt gravity spray that the paste-type paint composition of preparation is applied to ligneous indoor ornament.Subsequently ornament is put in the dryer of 70 ℃ or higher temperature, in 2 hours, solidifies fully then.In the present embodiment,, adopt according to metallic pasty state water-based paint compositions of the present invention although used dryer to quicken solidifying of 70 ℃ or higher temperature, also can in addition room temperature under form metallic coating.
Solidify finish after, carry out aftertreatment with instruments such as parchment, sand paper, shredders, dilute hydrochloric acid is applied on the surface, thereby forms the verdigris of blue look from the teeth outwards.
Industrial usability
Contain in the water paint of metal at pasty state according to the present invention, the content of metal dust extremely Be 2 times of adhesive less, thereby make this coating composition after solidifying, have similar metal spy The property. Such result is, can obtain with low cost the coating of paste-type, its show with The surface characteristic that metal self is identical and gloss.
According to the present invention, owing to do not adopt heating process, coating composition even can use In not too heat-resisting object. Especially, according to the present invention, provide to can be used for the cheap material example The coating that is used to form metal coating and method such as polyurethane foam and MDF etc.
In addition, owing to adopted aqueous binders, make to reduce environmental pollution and provide human body is endangered The very little coating of evil becomes possibility. Have again, and electroplate differently, depend on technology or the valency of quantity The difference of lattice is very little, and everyone can use this coating composition.
Claims (4)
1. pasty state water-based paint compositions that contains metal, contain 100 to 500 parts of weight, size is the metal-powder of 0.1-100 micron, with 1 to 100 part of weight, viscosity be 6000cps or lower aqueous binders, wherein aqueous binders comprises aqueous polyurethane resin, N, dinethylformamide, acetone, silicon-dioxide and water.
2. according to the coating composition of claim 1, tackiness agent wherein is a kind of by vinylbenzene being dissolved in vinylformic acid and amine, and said composition and water and silicon-dioxide is mixed and milk sap that obtain.
3. one kind forms metallic coating so that the method for metalluster and quality to be provided to various objects, comprises the pasty state water-based paint compositions that contain metal of use according to claim 1.
4. one kind forms metallic coating so that the method for metalluster and quality to be provided to various objects, comprises the pasty state water-based paint compositions that contain metal of use according to claim 2.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/KR2003/002389 WO2005044929A1 (en) | 2003-11-07 | 2003-11-07 | Paste type waterbased paint composition containing metal powder and coating method of metal film using the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1692146A CN1692146A (en) | 2005-11-02 |
| CN1326955C true CN1326955C (en) | 2007-07-18 |
Family
ID=34567610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB038004224A Expired - Fee Related CN1326955C (en) | 2003-11-07 | 2003-11-07 | Paste type waterbased paint composition containing metal powder and coating method of metal film using the same |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN1326955C (en) |
| AU (1) | AU2003277711A1 (en) |
| WO (1) | WO2005044929A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1962285A (en) * | 2005-11-07 | 2007-05-16 | 金爱兰 | PVC metal coating drawing, coating compounding and its production process |
| CN103897467B (en) * | 2014-04-17 | 2017-04-19 | 任国华 | Primer and preparation method thereof |
| CN109876667A (en) * | 2019-04-04 | 2019-06-14 | 江苏海发新材料科技有限公司 | A kind of preparation method of porous stainless steel membrane |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0458243A1 (en) * | 1990-05-21 | 1991-11-27 | Nippon Paint Co., Ltd. | Aqueous coating composition |
| CN1076207A (en) * | 1992-03-11 | 1993-09-15 | 周玉林 | The Preparation method and use of spraying agent for metallic rust prevention |
| EP0628613A2 (en) * | 1993-06-11 | 1994-12-14 | Nippon Paint Co., Ltd. | Aqueous coating composition |
| CN1102424A (en) * | 1993-09-13 | 1995-05-10 | H.C.施塔克公司 | Pastes for the coating of substrates, methods for manufacturing them and their use |
| EP0785034A1 (en) * | 1996-01-22 | 1997-07-23 | Kansai Paint Co., Ltd. | Coating method |
-
2003
- 2003-11-07 WO PCT/KR2003/002389 patent/WO2005044929A1/en active Application Filing
- 2003-11-07 AU AU2003277711A patent/AU2003277711A1/en not_active Abandoned
- 2003-11-07 CN CNB038004224A patent/CN1326955C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0458243A1 (en) * | 1990-05-21 | 1991-11-27 | Nippon Paint Co., Ltd. | Aqueous coating composition |
| CN1076207A (en) * | 1992-03-11 | 1993-09-15 | 周玉林 | The Preparation method and use of spraying agent for metallic rust prevention |
| EP0628613A2 (en) * | 1993-06-11 | 1994-12-14 | Nippon Paint Co., Ltd. | Aqueous coating composition |
| CN1102424A (en) * | 1993-09-13 | 1995-05-10 | H.C.施塔克公司 | Pastes for the coating of substrates, methods for manufacturing them and their use |
| EP0785034A1 (en) * | 1996-01-22 | 1997-07-23 | Kansai Paint Co., Ltd. | Coating method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2005044929A1 (en) | 2005-05-19 |
| AU2003277711A1 (en) | 2005-05-26 |
| CN1692146A (en) | 2005-11-02 |
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Granted publication date: 20070718 Termination date: 20131107 |