CN103131306B - Powder coating with effect of color changing along with angle and preparation method thereof - Google Patents
Powder coating with effect of color changing along with angle and preparation method thereof Download PDFInfo
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- CN103131306B CN103131306B CN201310108725.8A CN201310108725A CN103131306B CN 103131306 B CN103131306 B CN 103131306B CN 201310108725 A CN201310108725 A CN 201310108725A CN 103131306 B CN103131306 B CN 103131306B
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- 238000002360 preparation method Methods 0.000 title description 13
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- 239000002245 particle Substances 0.000 claims abstract description 78
- 239000003822 epoxy resin Substances 0.000 claims abstract description 61
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- 238000010521 absorption reaction Methods 0.000 description 9
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- 229910002012 Aerosil® Inorganic materials 0.000 description 8
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- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 7
- 238000010422 painting Methods 0.000 description 7
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- 229940042795 hydrazides for tuberculosis treatment Drugs 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 3
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- GNCOVOVCHIHPHP-UHFFFAOYSA-N 2-[[4-[4-[(1-anilino-1,3-dioxobutan-2-yl)diazenyl]-3-chlorophenyl]-2-chlorophenyl]diazenyl]-3-oxo-n-phenylbutanamide Chemical compound C=1C=CC=CC=1NC(=O)C(C(=O)C)N=NC(C(=C1)Cl)=CC=C1C(C=C1Cl)=CC=C1N=NC(C(C)=O)C(=O)NC1=CC=CC=C1 GNCOVOVCHIHPHP-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
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- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 2
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- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 2
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- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
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- 229920000178 Acrylic resin Polymers 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
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- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention belongs to the field of powder coating and particularly relates to power coating with an effect of color changing along with an angle. The powder coating with the effect of color changing along with the angle comprises epoxy resin, an epoxy resin particle system corresponding to a matched curing agent A and color changing pigments and a fluorocarbon resin particle system with fluorocarbon resin and a matched curing agent B. The parts by weight ratio of the epoxy resin particle system and the fluorocarbon resin particle system is 7-3:3-7. According to the powder coating, the color changing pigments are adhered in an epoxy resin layer successfully through bonding technology. In the process of curing, the color changing pigments are sunk into the coating bottom instead of floating to the surface of the coating along with the epoxy resin. A transparent fluorocarbon resin layer floating to the upper layer has the function of protecting the color changing pigments so that the color changing pigments are antioxidative. A structure of the color changing pigments is not damaged in the whole process and the color changing effect is thoroughly played.
Description
Technical field
The invention belongs to art of powder coatings, be specifically related to a kind of to there is powder coating with goniochromatic effect and preparation method thereof with visual angle.
Background technology
Pigment changeable colors along with angle refers under irradiate light, along with the change of viewing angle, and the pigment that color and gloss change thereupon, or viewing angle is constant and along with changing the irradiating angle of light source, the pigment that its color also changes thereupon.This pigment is the requirement according to film structure, the interference between reflected light or diffraction effect is utilized to design, reflect in the multi-layer film structure of pigment under visible light illumination, interfere and absorbing phenomenon, the surface color of pigment is changed with the change at visual angle.The discoloration effect of this pigment changeable colors along with angle and the interference color of substrate material have much relations, if the absorption look of host surface is different from interference color namely can produce different changeable colors along with angle effects.Ideal pigment changeable colors along with angle is all 5 layers of symmetrical structure, and middle one deck is opaque reflecting layer, and both sides are symmetrical clear, colorless medium layer and semi-transparent metal layer.Because it has fabulous visual effect, thus in decoration and field of coating, also there is fabulous application prospect.
But find in practical study, if give existing powder coating painted with pigment changeable colors along with angle, there will be many problems.Owing to generally all adopting polishing in the preparation process of powder coating, make the destructurized of most of pigment changeable colors, not only cause luster effect to decline, probably can cause the effect losing changeable colors along with angle.Therefore according to the mode identical with other pigment effect pigment can't be mixed at present and prepare in raw material used for powder coating, and then extrude this mixture of rear grinding.In order to prevent pigment changeable colors along with angle destroyed in grinding, can be dry mixed into wherein after grinding powder paint again, but find in practice, such meeting finds at decorated thing the defect that pigment is assembled or lacked on the surface, the reason of this phenomenon is the difference electrification behavior in dry mixing process of powder coating particles and pigment changeable colors along with angle particle, causes coating to produce caused by separation when spraying.And when pigment changeable colors along with angle content height, also can produce the problem that pigment is heaped, told powder and blocking muzzle, bring a lot of difficulty to practical application.
Summary of the invention
For this reason, technical problem to be solved by this invention is that in prior art, pigment changeable colors along with angle is difficult to the problem be applied in powder coating, and then provides a kind of powder coating had with angle goniochromatic effect;
Present invention also offers the above-mentioned method with powder coating with angle goniochromatic effect of preparation;
Present invention also offers a kind of powder coating coating had with angle goniochromatic effect.
For solving the problems of the technologies described above, the invention provides a kind of metal powder coating had with angle goniochromatic effect, comprise the fluorocarbon resin granular system of epoxy particles system containing epoxy resin, corresponding adaptive solidifying agent A and pigment changeable colors and the solidifying agent B containing fluorocarbon resin and adaptation;
The ratio of weight and number of described epoxy particles system and described fluorocarbon resin granular system is 7-3:3-7;
Described epoxy particles system is made up of the component of following weight part:
Described fluorocarbon resin granular system is made up of the component of following weight part:
Preferably, described epoxy particles system is made up of the component of following weight part:
Described fluorocarbon resin granular system is made up of the component of following weight part:
Preferably, the ratio of weight and number of described epoxy particles system and described fluorocarbon resin granular system is 6-4:4-6.
More excellent, the ratio of weight and number of described epoxy particles system and described fluorocarbon resin granular system is 1:1.
Be not quite similar due to the specification of the epoxy resin such as prior art epoxy resin and equivalent value, therefore, the mode of stop collar epoxy resins and adaptive solidifying agent total amount is adopted to limit herein, those skilled in the art can carry out calculating selection according in prior art for the basic ratio of epoxy resin and solidifying agent, as long as make the cooperation of epoxy resin and solidifying agent reach solidification object, generally with epoxy resin and solidifying agent ratio for 90-95:5-10 is advisable.
Described epoxy resin is bisphenol A type epoxy resin (NPES-903, E-12) and/or novolac epoxy (KUKDO YDPN series).Adaptive solidifying agent A is Dyhard RU 100 (DYHARD
), subotituted dicyardiamide (CASAMID710 of THOMAS SWAN company), hydrazides (ADH), phenolic hydroxyl group resin (KUKDO KD-420) or terminal carboxyl polyester (
p5980) mixture of one or more in, without the need to adding any auxiliary agent improving coating result again.
Described fluorocarbon resin is FEVE resin or trifluorochloroethylene-alkyl vinyl ether copolymerized fluorocarbon resin, mainly contain Orica powder coating company of New Zealand, Daikin company and Japan AGC company abroad to produce, domestic mainly Dalian shakes nation E-CTFE, preferred Japan AGC Lumiflon710, described solidifying agent B is that the isocyanates solidifying agent of routine is as Degussa VESTAGON B 1530, Bayer
nW-5.Generally be advisable with fluorocarbon resin and solidifying agent ratio 80:20.
Described pigment changeable colors comprise scribble ferric oxide and/or titanium dioxide pigments, mica, through coating SiO
2sheet, the coating metal oxide sheet of one or many, pearl white sheet, aluminium flake, LCP pigment flakes, the mixture of one or more in the sheet glass and/or multi-layer pigments of coating.The median size of preferred described pigment changeable colors is 5-200 μm.
Described color stuffing comprises pigment and filler, can according to color stuffing common in this area carry out selection add, further, described filler comprise barium sulfate as W-44HB, aluminium hydroxide as
nepheline syenite is as minex-10 etc., and pigment comprises titanium dioxide CR826, Carbon Black 330 R, iron oxide red
yellow pigment, if Permanent Yellow DHG, phthalocyanine are if GNM, blue pigment are as the coloring materials such as 10446, for bottom without particular requirement, but selects weathering resistance color stuffing for fluorocarbon layer as far as possible.
Described auxiliary agent A comprise edge coverage power properties-correcting agent (
), curing catalyst (BASF 2-MI), wetting dispersing agent (
), the mixture of one or more in flow promotor (aerosil or aluminum oxide C), any auxiliary agent improving coatingsurface effect can not add.
The preferred acrylic acid or the like of described flow agent is as GLP588, PV88, P67, P200 etc.; Described air release agent is st-yrax or micro mist wax.
Described auxiliary agent B comprises the mixture of one or more in brightening agent, flow improver additive, wax, antioxidant, photostabilizer or UV absorption agent.
Described brightening agent is 701 auxiliary agents preferably; Described flow improver additive is aerosil or aluminum oxide C, wax preferably polyethylene wax, Poly Propylene Wax, tetrafluoroethylene wax, polyamide wax etc.; The preferred Hinered phenols of described antioxidant is as KY-1010; Described photostabilizer and described UV absorption agent preferred
or
the addition of above-mentioned each component, those skilled in the art can require according to the addition of commercial components each in prior art and the processability of metallic paint requires to determine.
The invention also discloses and a kind ofly prepare the above-mentioned method with the metal powder coating with angle goniochromatic effect, comprise the steps:
(1) according to selected parts by weight get the solidifying agent A of described epoxy resin and adaptation, color stuffing and auxiliary agent A mix and after being uniformly dispersed, extruded by forcing machine, compressing tablet, pulverizing after cooling, powder sieving for standby;
(2) get the powder that obtains in step (1) and described pigment changeable colors to determine technique by nation and carry out bonding transformation, cooling is sieved, and obtains required epoxy particles system, for subsequent use;
(3) each component of getting the solidifying agent B of described fluorocarbon resin and adaptation, flow agent, air release agent and auxiliary agent B granular system according to selected parts by weight mixes and after being uniformly dispersed, extruded by forcing machine, compressing tablet, pulverize after cooling, powder sieves and obtains required fluorocarbon resin granular system, for subsequent use;
(4) get carbon resin granular system described in the fluorine obtained in the described epoxy particles system and step (3) obtained in step (2) to be respectively dry mixed evenly according to selected ratio of weight and number, to obtain final product.
In described step (1) and described step (3), the temperature of described extrusion step is 80-150 DEG C.
In described step (1) and described step (3), the powder particle diameter of described pulverising step is 30-50 μm.
The bonding machines SHT500/1000 that nation in described step (2) determines process selection Xiamen three and safe Science and Technology Ltd. operates, and the processing parameter such as service temperature, rotating speed, time that its operational condition those skilled in the art reasonably can select nation to determine technique according to character such as the glass temperatures of material carries out nation and surely transforms.
The invention also discloses a kind of powder coating had with angle goniochromatic effect prepared according to aforesaid method.
The invention also discloses a kind of powder coating had with angle goniochromatic effect, there is powder paint with angle goniochromatic effect and solidification obtains by above-mentioned.
Described solidification value is 180-250 DEG C.
Epoxy powder coating is that using at most in powder coating is also most widely used one, this is mainly because epoxy resin has good wettability, can with the attachment of most ground bonding, but its a most important shortcoming be exactly under ultraviolet effect paint film structure can be destroyed, antiseptic property can be lost very soon, therefore can not use out of doors, and simple outdoor powder coating systems can not play rot-resistant effect and have good adhesive property.
Fluorocarbon resin is through modification, a kind of new coating material of processing on fluoro-resin basis, and its principal feature is that its bond energy is 116kal/mol, in all chemical bonds, can be rated as first containing a large amount of F-C keys in resin.Even if being heated, under the effect of light (comprising ultraviolet), F-C key is difficult to fracture, and therefore fluorocarbon resin demonstrates superpower weathering resistance and resistant to chemical media corrosion, so its stability is best in all cold coating materials.And fluorocarbon resin is as a kind of high-tech functional coating material and a kind of brand-new surface decoration protective material, many performances such as it is weather-proof, resistance to chemical attack are better than popular on the market at present urethane, organosilicon, acrylic resin paint material, especially, in the environment of heavily contaminated, deep-etching, the barrier propterty that it is superior is more shown.
But in view of the bonding wettability of fluorocarbon resin and ground to be coated is unsatisfactory, therefore, in prior art, develop the powder coating of conbined usage epoxy resin and fluorocarbon resin, learnt from other's strong points to offset one's weaknesses to the two advantage to be combined.But, also known in practical study, when the technique adopting the method preparing powder coating conventional in prior art and direct mixing to extrude pulverizing is again prepared, that bottom or surface layer are all dispersed with epoxy resin and fluorocarbon resin in coating, and the epoxy resin being in top layer is also still subject to ultraviolet impact and cannot uses out of doors, also sacrifice the weather resistance of fluorocarbon resin simultaneously, therefore mentioned in program coating is mainly used in the use that also can only be applied to pipeline corrosion protection, is still not suitable for the use of outdoor building.
Technique scheme of the present invention has the following advantages compared to existing technology:
1, powder coating of the present invention owing to introducing epoxy resin and fluorocarbon resin in system, and by the technique that extrusion molding is pulverized again respectively, epoxy resin and the in type state of fluorocarbon resin are dry mixed, the surface level taking full advantage of epoxy resin and fluorocarbon resin differs greatly and the uncompatibility caused, and is formed and be significantly separated in the process of coating curing, be easy to floating to coating top layer because fluorocarbon resin surface energy is lower, form transparent protective membrane supercoat, and the superpower weather resistance due to fluorocarbon resin ensures that coating has corrosion-resistant, the performance such as acid and alkali-resistance and UV resistant, described coating is made to can be used for the use of the decoration of exterior decoration especially under mal-condition, and simultaneously the epoxy resin such as epoxy resin is sink to coating bottom due to larger surface energy and bonds preferably with ground to be sprayed by its excellent wetting and adhesion property, also serve the effect protecting base material, there is simultaneously the powder coating with angle goniochromatic effect, utilizing nation to determine technique is successfully bonded in epoxy resin layer by pigment changeable colors, discovery pigment changeable colors pleasantly surprised in the process of solidification does the directional profile of rule along two coating interfaces, such pigment changeable colors will be sink to coating bottom and can not floating to coating top layer with epoxy resin in the process of solidification, and floating to the transparent fluorocarbon resin layer on upper strata, then serve protection pigment changeable colors can not be exposed in air and make its sludge proof effect, whole process does not destroy the structure of pigment changeable colors, give full play to the effect that it is heterochromatic, therefore this coating machine excellent property, also there is the adverse weather conditions such as superpower anticorrosion and superpower UV resistant, coating can meet the weather-proof highest level GB5237.5 of powder coating building materials, AAMA2605-05 and QUALICOAT class3, also i.e. life-span of at least outdoor 20 years, chemical resistance of coating, acid-proof alkaline also significantly promote,
2, powder coating of the present invention is by rationally arranging the weight part ratio of each component comprising resin, solidifying agent and color stuffing and auxiliary agent, by organic cooperation of each component optimum, described epoxy-resin systems and described fluorocarbon resin system is made to produce obvious demixing phenomenon, effectively protect the stability of pigment changeable colors, make the powder coating obtained have fabulous stability and weathering resistance;
3, powder coating of the present invention, described epoxy particles system and described fluorocarbon resin granular system manufacture with 1:1 mixing, the two is formed with equal proportion and is separated, make bonding and provide protection reach balance, save cost;
4, the present invention utilizes nation to determine technique to be successfully bonded on epoxy resin by pigment changeable colors, utilize phase detachment technique, control pigment changeable colors along with angle and do directional profile along two coating interfaces, produce unique effect, not only make to require to reduce to the surface treatment of pigment changeable colors, and greatly reduce expensive pigment changeable colors along with angle addition, save powder coating cost;
5, the powder coating had with angle goniochromatic effect of the present invention, the movement controlling pigment changeable colors of technology effective is determined by nation, decrease the charging property between end powder and pigment changeable colors and conductivity difference, separation during their spraying applications of effective reduction, improve the spraying decoration in spraying process and add the metachroic problem of recycling powder, and because the ratio between pigment changeable colors along with angle with powder particle is relative fixing, then can re-use recovery powder completely, new powder can reach almost consistent color with recycling powder;
6, powder coating of the present invention plays the effect of guard ring epoxy layer because fluorocarbon resin system forms outside surface at skin, therefore, epoxy particles system of the present invention does not need any auxiliary agent contributing to improving coating result of extra interpolation again, for the auxiliary agent needing in prior art to add a large amount of protection and improve epoxy resin layer, save a large amount of costs;
7, the powder coating had with angle goniochromatic effect of the present invention, can be coated with by the method for electrostatic powder spraying, recoverable, utilization rate of raw materials is high; An application, need not spray Clear coating again, operating efficiency is high, coating densification, sticking power, excellent in cushion effect, there is excellent weather resistance, do not add various liquid chemical film forming, dispersion, anticorrosion, mildew-resistant, solvent etc., environment protection health, transport, storage are conveniently;
8, apply the article of powder coating of the present invention, have strong in angle goniochromatic effect, and mill flower not easily occurs coating, uniform color, fashion is attractive in appearance, demonstrates high-grade decorative effect, and durable in use, is very applicable to high-grade furnishing fields.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the electron microscope scanning figure of embodiment 1 gained coating;
Fig. 2 is the electron microscope scanning figure of embodiment 2 gained coating;
Fig. 3 is the electron microscope scanning figure of embodiment 3 gained coating;
Fig. 4 is the electron microscope scanning figure of embodiment 6 gained coating;
Fig. 5 is the electron microscope scanning figure of embodiment 7 gained coating;
Fig. 6 is the electron microscope scanning figure of comparative example 1 gained coating;
In figure, Reference numeral is expressed as: 1-fluorocarbon resin layer, 2-epoxy resin layer, 3-separation surface, 4-pigment changeable colors, 5-epoxy resin.
Embodiment
Embodiment 1
The powder coating had with angle goniochromatic effect described in the present embodiment comprises epoxy particles system that ratio of weight and number is 1:1 and fluorocarbon resin granular system and is dry mixed and obtains.
Described epoxy particles system is made up of the component of following weight part:
Bisphenol A type epoxy resin E-12 and dicy-curing agent DYHARD
amount to 75 parts;
Particle diameter is the pigments, mica scribbling ferric oxide and titanium dioxide 18 parts of 50-200 μm;
Color stuffing 15.5 parts; Comprise pigment and filler, described filler selects barium sulfate as W-44HB, titanium dioxide CR826 selected by described pigment, and wherein said pigment and filler can add setting according to those skilled in the art to the demand of product, and the adding proportion of pigment described in the present embodiment and described filler is 1:1;
Auxiliary agent A 1 part, described auxiliary agent A comprises edge coverage power properties-correcting agent
0.2 part, curing catalyst BASF2-MI0.3 part, wetting dispersing agent
part, flow promotor aluminum oxide C0.3 part;
Described fluorocarbon resin granular system is made up of the component of following weight part:
FEVE resin and isocyanates solidifying agent Degussa VESTAGON B1530 96.5 parts;
Flow agent GLP588 1.2 parts;
Air release agent st-yrax 0.6 part;
Auxiliary agent B 4 parts, described auxiliary agent B comprises antioxidant KY-1010 0.8 part, photostabilizer
0.5 part, UV absorption agent
1.1 parts and flow improver additive aerosil 1.6 parts.
The preparation method had with the powder coating of angle goniochromatic effect described in the present embodiment comprises the steps:
(1) to mix according to selected parts by weight extracting epoxy resin and dicy-curing agent, pigment changeable colors and color stuffing and auxiliary agent A and after being uniformly dispersed, by powder coating extruder in 80-150 DEG C extrude, compressing tablet, being crushed to particle diameter after being cooled to room temperature is 30-50 μm, powder sieving for standby;
(2) get the powder for preparing in selected pigment changeable colors and step (1) to carry out nation by the bonding machines SHT500/1000 of Xiamen three and safe Science and Technology Ltd. and surely bond according to selected parts by weight and transform, cooling is sieved, obtain required epoxy particles system, for subsequent use;
(3) FEVE resin, solidifying agent Degussa VESTAGONB1530 and flow agent, air release agent and described various auxiliary agent is got according to selected parts by weight, to mix and after being uniformly dispersed, extruded by powder coating extruder 80-150 DEG C, compressing tablet, being crushed to particle diameter after being cooled to room temperature is 30-50 μm, powder sieves and obtains required fluorocarbon resin granular system, for subsequent use;
(4) get the fluorocarbon resin granular system obtained in the epoxy particles system and step (3) obtained in step (2) respectively according to the ratio of ratio of weight and number 1:1 to be dry mixed evenly, sieve and get final product.
The powder coating prepared in the present embodiment is adopted the method spraying of high pressure electrostatic painting conventional in prior art, within 20 minutes, obtain coating in 180-200 DEG C of solidification.By described coating epoxy resin embedding, use microtome afterwards, metal spraying after polishing, and by the coating that sem observation obtains, result as shown in Figure 1.
As can be seen from the figure, having there is self demixing phenomenon (distinguishing with shade in way) in prepared coating, defines obvious separation surface 3 in the curing process.Known by carrying out detection to the content of F element, F element is all present in surface layer, and bottom is not completely containing F, as can be seen here, surface layer coating is the fluorocarbon resin layer 1 formed by fluorocarbon resin granular system, and bottom is then completely by the epoxy resin layer 2 of epoxy particles System forming.By means of the good wettability of epoxy resin; whole coating and bottom is made to have good adhesion effect; the antiseptic property of epoxy resin also makes whole coating have good antiseptic property simultaneously; and by means of the weather resistance of outer fluorocarbon resin layer, fabulous provide protection is played to whole coating and make whole coating not only can realize the use of outdoor decoration; and there is fabulous effect, and durable in use.Can find out simultaneously, described pigment changeable colors 4 is effective in aligning along the separation surface 3 of two coatings, and due to whole fluorocarbon resin layer be transparent layer, therefore, even if the whole developing coatings of pigment changeable colors 4 goes out effect heterochromatic with angle preferably, and due to described pigment changeable colors 4 along separation surface 3 in aligning, therefore only need less pigment changeable colors namely can be formed with the heterochromatic effect of angle.In addition, owing to there is fabulous weather resistance at outer field fluorocarbon resin layer 1, the pigment changeable colors 4 of available protecting internal layer can not corrode by outside contamination, make whole coating be provided with good durable effect.
Embodiment 2
The powder coating had with angle goniochromatic effect described in the present embodiment comprises epoxy particles system that ratio of weight and number is 7:3 and fluorocarbon resin granular system and is dry mixed and obtains.
Described epoxy particles system is made up of the component of following weight part:
Bisphenol A type epoxy resin NPES-903 and totally 30 parts, subotituted dicyardiamide solidifying agent (CASAMID710 of THOMAS SWAN company);
Through the SiO of coating
2sheet 40 parts;
Color stuffing 10 parts; Comprise pigment and filler, described filler selects barium sulfate as W-44HB, titanium dioxide CR826 selected by described pigment, and wherein said pigment and filler can add setting according to those skilled in the art to the demand of product, and the adding proportion of pigment described in the present embodiment and described filler is 3:1;
Auxiliary agent A 1.8 parts, described auxiliary agent A comprises edge coverage power properties-correcting agent
0.5 part, curing catalyst BASF2-MI 0.3 part, wetting dispersing agent
0.5 part, flow promotor aluminum oxide C 0.5 part;
Described fluorocarbon resin granular system is made up of the component of following weight part:
FEVE resin 70 parts and biuret polyisocyanate solidifying agent Bayer
totally 15 parts;
Flow agent PV88 1.5 parts;
Air release agent micro mist wax 1 part;
Auxiliary agent B 2 parts, described auxiliary agent B comprises antioxidant KY-1010 0.8 part, photostabilizer
0.2 part, UV absorption agent
1.1 parts and flow improver additive aerosil 0.9 part.
The preparation method had with the powder coating of angle goniochromatic effect described in the present embodiment comprises the steps:
(1) to mix according to selected parts by weight extracting epoxy resin and dicy-curing agent, color stuffing and auxiliary agent A and after being uniformly dispersed, by powder coating extruder in 80-150 DEG C extrude, compressing tablet, being crushed to particle diameter after being cooled to room temperature is 30-50 μm, powder sieving for standby;
(2) get the powder for preparing in selected pigment changeable colors and step (1) to carry out nation by bonding machines and surely bond according to selected parts by weight and transform, cooling is sieved, and obtains required epoxy particles system, for subsequent use;
(3) FEVE resin, solidifying agent Degussa VESTAGONB1530 and flow agent, air release agent and auxiliary agent B is got according to selected parts by weight, to mix and after being uniformly dispersed, extruded by powder coating extruder 80-150 DEG C, compressing tablet, being crushed to particle diameter after being cooled to room temperature is 30-50 μm, powder sieves and obtains required fluorocarbon resin granular system, for subsequent use;
(4) get the fluorocarbon resin granular system obtained in the epoxy particles system and step (3) obtained in step (2) respectively according to the ratio of ratio of weight and number 7:3 to be dry mixed evenly, sieve and get final product.
The powder coating prepared in the present embodiment is adopted the method spraying of high pressure electrostatic painting conventional in prior art, within 20 minutes, obtain coating in 200-220 DEG C of solidification.By the coating that sem observation obtains, result as shown in Figure 2.In whole coating, fluorocarbon resin layer 1 and epoxy resin layer 2 still create obvious separation surface 3, and described pigment changeable colors 4 also along the separation surface of epoxy resin layer in aligning.
Embodiment 3
The powder coating had with angle goniochromatic effect described in the present embodiment comprises epoxy particles system that ratio of weight and number is 3:7 and fluorocarbon resin granular system and is dry mixed and obtains.
Described epoxy particles system is made up of the component of following weight part:
Bisphenol A type epoxy resin (NPES-903) and hydrazides (ADH) totally 90 parts;
Particle diameter is the aluminium flake 0.2 part of 100-150 μm;
Color stuffing 50 parts, comprises pigment and filler, described filler select aluminium hydroxide as
carbon Black 330 R selected by described pigment, and wherein said pigment and filler can add setting according to those skilled in the art to the demand of product, and the adding proportion of pigment described in the present embodiment and described filler is 1:2;
Auxiliary agent A 0.2 part, described auxiliary agent A comprises curing catalyst BASF2-MI 0.1 part, wetting dispersing agent
0.1 part;
Described fluorocarbon resin granular system is made up of the component of following weight part:
FEVE resin and 100 parts, biuret polyisocyanate solidifying agent;
Flow agent P200 0.7 part;
Auxiliary agent B 8 parts, described auxiliary agent B comprises brightening agent 701 auxiliary agent 2 parts, antioxidant KY-10102 part, photostabilizer
1 part, UV absorption agent
928 1.5 parts and flow improver additive aerosil 1.5 parts;
Air release agent st-yrax 0.3 part.
The preparation method had with the powder coating of angle goniochromatic effect described in the present embodiment comprises the steps:
(1) to mix according to selected parts by weight extracting epoxy resin and solidifying agent and color stuffing, auxiliary agent A and after being uniformly dispersed, by powder coating extruder in 80-150 DEG C extrude, compressing tablet, being crushed to particle diameter after being cooled to room temperature is 30-50 μm, powder sieving for standby;
(2) get the powder for preparing in selected pigment changeable colors and step (1) to carry out nation by the bonding machines SHT500/1000 of Xiamen three and safe Science and Technology Ltd. and surely bond according to selected parts by weight and transform, cooling is sieved, obtain required epoxy particles system, for subsequent use;
(3) FEVE resin, biuret polyisocyanate solidifying agent, flow agent, air release agent and auxiliary agent B is got according to selected parts by weight, to mix and after being uniformly dispersed, extruded by powder coating extruder 80-150 DEG C, compressing tablet, being crushed to particle diameter after being cooled to room temperature is 30-50 μm, powder sieves and obtains required fluorocarbon resin granular system, for subsequent use;
(4) get the fluorocarbon resin granular system obtained in the epoxy particles system and step (3) obtained in step (2) respectively according to the ratio of ratio of weight and number 3:7 to be dry mixed evenly, sieve and get final product.
The powder coating prepared in the present embodiment is adopted the method spraying of the quiet spraying of high pressure conventional in prior art, within 20 minutes, obtain coating in 180-200 DEG C of solidification.By the coating that sem observation obtains, result as shown in Figure 3.In whole coating, fluorocarbon resin layer 1 and epoxy resin layer 2 still create obvious separation surface 3, and described pigment changeable colors 4 also along the separation surface of epoxy resin layer in aligning.
Embodiment 4
The powder coating had with angle goniochromatic effect described in the present embodiment comprises epoxy particles system that ratio of weight and number is 6:4 and fluorocarbon resin granular system and is dry mixed and obtains.
Described epoxy particles system is made up of the component of following weight part:
Novolac epoxy (KUKDO YDPN series) and terminal carboxyl polyester (
) totally 60 parts;
Particle diameter is the coating metal oxide sheet 10 parts once of 100-200 μm;
Color stuffing A12 part, comprises pigment and filler, and described filler selects nepheline syenite as minex-10, and iron oxide red selected by described pigment
wherein said pigment and filler can add setting according to those skilled in the art to the demand of product, and the adding proportion of pigment described in the present embodiment and described filler is 3:2;
Auxiliary agent A 0.5 part, described auxiliary agent A comprises edge coverage power properties-correcting agent
0.2 part, curing catalyst BASF2-MI 0.1 part, wetting dispersing agent
0.1 part, flow promotor aerosil 0.1 part;
Described fluorocarbon resin granular system is made up of the component of following weight part:
FEVE resin and Blocked Isocyanate Curing Agents (Degussa VESTAGON B 1530) 94 parts;
Flow agent P67 1 part;
Air release agent micro mist wax 0.4 part;
Auxiliary agent B 3.8 parts, described auxiliary agent B comprises brightening agent 701 auxiliary agent 1.5 parts, ethylene waxes 0.1 part, Poly Propylene Wax 1.2 parts, antioxidant KY-1010 0.25 part, photostabilizer
0.15 part, UV absorption agent
0.3 part and flow improver additive aluminum oxide C0.3 part.
The preparation method had with the powder coating of angle goniochromatic effect described in the present embodiment comprises the steps:
(1) to mix according to selected parts by weight extracting epoxy resin and solidifying agent and color stuffing and auxiliary agent A and after being uniformly dispersed, by powder coating extruder in 80-150 DEG C extrude, compressing tablet, being crushed to particle diameter after being cooled to room temperature is 30-50 μm, powder sieving for standby;
(2) get the powder for preparing in selected pigment changeable colors and step (1) to carry out nation by the bonding machines SHT500/1000 of Xiamen three and safe Science and Technology Ltd. and surely bond according to selected parts by weight and transform, cooling is sieved, obtain required epoxy particles system, for subsequent use;
(3) FEVE resin, Blocked Isocyanate Curing Agents and flow agent, air release agent and auxiliary agent B is got according to selected parts by weight, to mix and after being uniformly dispersed, extruded by powder coating extruder 80-150 DEG C, compressing tablet, being crushed to particle diameter after being cooled to room temperature is 30-50 μm, powder sieves and obtains required fluorocarbon resin granular system, for subsequent use;
(4) get the fluorocarbon resin granular system obtained in the epoxy particles system and step (3) obtained in step (2) respectively according to the ratio of ratio of weight and number 6:4 to be dry mixed evenly, sieve and get final product.
The powder coating prepared in the present embodiment is adopted the method spraying of high pressure electrostatic painting conventional in prior art, within 20 minutes, obtain coating in 220-250 DEG C of solidification.
Embodiment 5
The powder coating had with angle goniochromatic effect described in the present embodiment comprises epoxy particles system that ratio of weight and number is 4:6 and fluorocarbon resin granular system and is dry mixed and obtains.
Described epoxy particles system is made up of the component of following weight part:
Mixture and the hydrazides solidifying agent (ADH) of bisphenol A type epoxy resin (E-12) novolac epoxy (KUKDO YDPN series) amount to 83 parts;
Particle diameter is the multi-layer pigments 30 parts through coating of 100-150 μm;
Color stuffing 30 parts, comprise pigment and filler, described filler selects barium sulfate as W-44HB, yellow pigment Permanent Yellow DHG selected by described pigment, wherein said pigment and filler can add setting according to those skilled in the art to the demand of product, and the adding proportion of pigment described in the present embodiment and described filler is 2:3;
Auxiliary agent A 1.4 parts, described auxiliary agent A comprises edge coverage power properties-correcting agent
0.5 part, curing catalyst BASF2-MI 0.2 part, wetting dispersing agent
0.5 part, flow promotor aerosil 0.2 part;
Described fluorocarbon resin granular system is made up of the component of following weight part:
FEVE resin and Blocked Isocyanate Curing Agents (
) 97.8 parts;
Flow agent GLP588 1.4 parts;
Air release agent micro mist wax 0.8 part;
Auxiliary agent B 6.2 parts, described auxiliary agent B comprises brightening agent 701 auxiliary agent 1.5 parts, ethylene waxes 1.5 parts, Poly Propylene Wax 0.5 part, antioxidant KY-1010 0.5 part, photostabilizer
0.5 part, UV absorption agent
0.3 part and flow improver additive aluminum oxide C0.4 part.
The preparation method had with the powder coating of angle goniochromatic effect described in the present embodiment comprises the steps:
(1) to mix according to selected parts by weight extracting epoxy resin and phenolic hydroxyl group resin curing agent and color stuffing and auxiliary agent A and after being uniformly dispersed, by powder coating extruder in 80-150 DEG C extrude, compressing tablet, being crushed to particle diameter after being cooled to room temperature is 30-50 μm, powder sieving for standby;
(2) get the powder for preparing in selected pigment changeable colors and step (1) to carry out nation by bonding machines and surely bond according to selected parts by weight and transform, cooling is sieved, and obtains required epoxy particles system, for subsequent use;
(3) FEVE resin, Blocked Isocyanate Curing Agents and flow agent, air release agent and auxiliary agent B is got according to selected parts by weight, to mix and after being uniformly dispersed, extruded by powder coating extruder 80-150 DEG C, compressing tablet, being crushed to particle diameter after being cooled to room temperature is 30-50 μm, powder sieves and obtains required fluorocarbon resin granular system, for subsequent use;
(4) get the fluorocarbon resin granular system obtained in the epoxy particles system and step (3) obtained in step (2) respectively according to the ratio of ratio of weight and number 4:6 to be dry mixed evenly, sieve and get final product.
The powder coating prepared in the present embodiment is adopted the method spraying of fluidized-bed spraying conventional in prior art, within 20 minutes, obtain coating in 180-200 DEG C of solidification.
Embodiment 6
The powder coating had with angle goniochromatic effect described in the present embodiment comprises epoxy particles system that ratio of weight and number is 7:3 and fluorocarbon resin granular system and is dry mixed and obtains.
Described epoxy particles system is made up of the component of following weight part:
Bisphenol A type epoxy resin NPES-903 and subotituted dicyardiamide solidifying agent (CASAMID710 of THOMAS SWAN company) amount to 30 parts;
Particle diameter is the SiO through coating of 20-100 μm
2sheet 50 parts;
Auxiliary agent A 3 parts, described auxiliary agent A comprises edge coverage power properties-correcting agent
1.5 parts, curing catalyst BASF2-MI 0.5 part, wetting dispersing agent
0.5 part, flow promotor aluminum oxide C 0.5 part;
Described fluorocarbon resin granular system is made up of the component of following weight part:
FEVE resin and biuret polyisocyanate solidifying agent Bayer
totally 80 parts;
Flow agent PV88 2.5 parts;
Air release agent micro mist wax 2 parts.
The preparation method had with the powder coating of angle goniochromatic effect described in the present embodiment comprises the steps:
(1) to mix according to selected parts by weight extracting epoxy resin and dicy-curing agent and auxiliary agent A and after being uniformly dispersed, by powder coating extruder in 80-150 DEG C extrude, compressing tablet, being crushed to particle diameter after being cooled to room temperature is 30-50 μm, powder sieving for standby;
(2) get the powder for preparing in selected pigment changeable colors and step (1) to carry out nation by the bonding machines SHT500/1000 of Xiamen three and safe Science and Technology Ltd. and surely bond according to selected parts by weight and transform, cooling is sieved, obtain required epoxy particles system, for subsequent use;
(3) FEVE resin, solidifying agent Degussa VESTAGONB1530 and flow agent, air release agent is got according to selected parts by weight, to mix and after being uniformly dispersed, extruded by powder coating extruder 80-150 DEG C, compressing tablet, being crushed to particle diameter after being cooled to room temperature is 30-50 μm, powder sieves and obtains required fluorocarbon resin granular system, for subsequent use;
(4) get the fluorocarbon resin granular system obtained in the epoxy particles system and step (3) obtained in step (2) respectively according to the ratio of ratio of weight and number 7:3 to be dry mixed evenly, sieve and get final product.
The powder coating prepared in the present embodiment is adopted the method spraying of high pressure electrostatic painting conventional in prior art, within 20 minutes, obtain coating in 200-220 DEG C of solidification.The coating result obtained by sem observation as shown in Figure 4.In whole coating, although also there is distant demixing phenomenon, but what pigment changeable colors was mixed and disorderly is distributed in whole painting sheaf space, and formed separation surface and unfairness, the arrangement of pigment changeable colors also and irregularity, even still there is pigment changeable colors and be exposed to the outside even mixed poly-phenomenon, whole coating is not obvious with the heterochromatic effect of angle.Therefore, the coating of this schematic design making is in layering sharpness or with effect angle goniochromatic effect is all obviously not so good as in previous embodiment 1-5.
Embodiment 7
The powder coating had with angle goniochromatic effect described in the present embodiment comprises epoxy particles system that ratio of weight and number is 3:7 and fluorocarbon resin granular system and is dry mixed and obtains.
Described epoxy particles system is made up of the component of following weight part:
Bisphenol A type epoxy resin (E-12) and phenolic hydroxyl group resin (KUKDO KD-420) amount to 100 parts;
Particle diameter is pearl white sheet, aluminium flake and 0.1 part, the LCP pigment flakes mixture of 100-150 μm;
Color stuffing 65 parts, comprise pigment and filler, described filler selects barium sulfate as W-44HB, and phthalocyanine GNM selected by described pigment, wherein said pigment and filler can add setting according to those skilled in the art to the demand of product, and the adding proportion of pigment described in the present embodiment and described filler is 3:4;
Described fluorocarbon resin granular system is made up of the component of following weight part:
FEVE resin and 110 parts, biuret polyisocyanate solidifying agent;
Flow agent P200 0.2 part;
Auxiliary agent B 10 parts, described auxiliary agent B comprises brightening agent 701 auxiliary agent 2 parts, antioxidant KY-1010 2 parts, photostabilizer
2 parts, UV absorption agent
1.5 parts and flow improver additive aerosil 2.5 parts;
Air release agent st-yrax 0.1 part.
The preparation method had with the powder coating of angle goniochromatic effect described in the present embodiment comprises the steps:
(1) get terminal carboxyl polyester and isocyanic acid three-glycidyl ester solidifying agent and color stuffing according to selected parts by weight to mix and after being uniformly dispersed, by powder coating extruder in 80-150 DEG C extrude, compressing tablet, being crushed to particle diameter after being cooled to room temperature is 30-50 μm, powder sieving for standby;
(2) get the powder for preparing in selected pigment changeable colors and step (1) to carry out nation by bonding machines and surely bond according to selected parts by weight and transform, cooling is sieved, and obtains required epoxy particles system, for subsequent use;
(3) FEVE resin, biuret polyisocyanate solidifying agent, flow agent, air release agent and auxiliary agent B is got according to selected parts by weight, to mix and after being uniformly dispersed, extruded by powder coating extruder 80-150 DEG C, compressing tablet, being crushed to particle diameter after being cooled to room temperature is 30-50 μm, powder sieves and obtains required fluorocarbon resin granular system, for subsequent use;
(4) get the fluorocarbon resin granular system obtained in the epoxy particles system and step (3) obtained in step (2) respectively according to the ratio of ratio of weight and number 3:7 to be dry mixed evenly, sieve and get final product.
The powder coating prepared in the present embodiment is adopted the method spraying of the quiet spraying of high pressure conventional in prior art, within 20 minutes, obtain coating in 180-200 DEG C of solidification.The coating result obtained by sem observation as shown in Figure 5.In whole coating, although also there is distant demixing phenomenon, but what pigment changeable colors was mixed and disorderly is distributed in whole painting sheaf space, and formed separation surface and unfairness, the arrangement of pigment changeable colors also and irregularity, even still there is pigment changeable colors and be exposed to the outside even mixed poly-phenomenon, whole coating is not obvious with the heterochromatic effect of angle.Therefore, the coating of this schematic design making is in layering sharpness or with effect angle goniochromatic effect is all obviously not so good as in previous embodiment 1-5.
Comparative example 1
Component selected by powder coating described in the present embodiment is identical with feed composition given in embodiment 3, its difference is only according to after the compositional selecting marked in embodiment 3, directly each component is mixed, and by powder coating extruder in 80-150 DEG C extrude, compressing tablet, being crushed to particle diameter after being cooled to room temperature is 30-50 μm, determine technique with pigment changeable colors by nation after powder sieves to bond, obtain required powder coating.
The powder coating obtained is adopted the method spraying of high pressure electrostatic painting conventional in prior art, within 20 minutes, obtain coating in 180-200 DEG C of solidification.By the coating that sem observation obtains, result as shown in Figure 6.
As shown in Figure 6, obvious separation surface is there is not in whole coating, visible the coating that each component directly obtains according to the preparation method of powder coating is not produced phenomenon of phase separation, crude aluminum silver powder pigment changeable colors is erratic to be appeared in whole coating, the erratic arrangement of pigment changeable colors can cause its usage quantity to strengthen on the one hand, fluorocarbon resin and epoxy resin mixed distribution on the other hand, when epoxy resin is exposed in air, there will be denaturalization phenomenon, pigment changeable colors is exposed to the external world simultaneously, also whole coating is made to there will be oxidized phenomenon, not there is durable effect.
Be labeled as coating A-G to above-described embodiment 1-7 gained coating, the coated marker obtained with comparative example 1 is H, and carries out anticorrosion and weather resistance test to above-mentioned coating, and concrete test index and performance perameter refer to following table 1:
The performance test of table 1 coating A-I
From upper table data, powder coating of the present invention is in use owing to can form the phenomenon be separated, the weather resistance fabulous by means of fluorocarbon resin and the fabulous anticorrosion and wettability of epoxy resin, make whole coating have fabulous shock-resistance, preservative property and stability of gloss.And each component of the present invention is by reasonably arranging its composition content, and its performance perameter is optimum; And its anticorrosion and weather resistance of the coating prepared with the method preparing powder coating in prior art is obviously weaker than scheme of the present invention.Visible; the coating that the mode be dry mixed with epoxy resin and fluorocarbon resin of the present invention is formed; the phenomenon of phase separation formed in the curing process not only contributes to the weather-proof of coating and antiseptic property; pigment changeable colors is under the protection of fluorocarbon resin simultaneously; it also avoid and for a long time spoilage problems occurs; not only have with the heterochromatic effect of angle, stable performance simultaneously.The coating formed previous embodiment 1-5 is carried out anticorrosion and weather resistance and is detected, and confirms that the powder coating had with angle goniochromatic effect of the present invention meets the technical requirement in following table 2:
The Performance Detection index of table 2 coating
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (10)
1. there is the powder coating with angle goniochromatic effect, it is characterized in that: comprise
Ratio of weight and number is epoxy particles system and the fluorocarbon resin granular system of 7-3:3-7;
Described epoxy particles system is made up of the component of following weight part:
Solidifying agent A 30-90 part of epoxy resin and adaptation;
Pigment changeable colors 0.2-40 part;
Color stuffing 10-50 part;
Auxiliary agent A 0.2-1.8 part;
Described fluorocarbon resin granular system is made up of the component of following weight part:
Solidifying agent B 85-100 part of fluorocarbon resin and adaptation;
Flow agent 0.7-1.5 part;
Air release agent 0.3-1 part;
Auxiliary agent B 2-8 part;
The described powder coating had with angle goniochromatic effect is prepared as follows:
(1) according to selected parts by weight get the solidifying agent A of described epoxy resin and adaptation, color stuffing and auxiliary agent A mix and after being uniformly dispersed, extruded by forcing machine, compressing tablet, pulverizing after cooling, powder sieving for standby;
(2) get the powder that obtains in step (1) and described pigment changeable colors to determine technique by nation and carry out bonding transformation, cooling is sieved, and obtains required epoxy particles system, for subsequent use;
(3) each component of getting the solidifying agent B of described fluorocarbon resin and adaptation, flow agent, air release agent and auxiliary agent B granular system according to selected parts by weight mixes and after being uniformly dispersed, extruded by forcing machine, compressing tablet, pulverize after cooling, powder sieves and obtains required fluorocarbon resin granular system, for subsequent use;
(4) get carbon resin granular system described in the fluorine obtained in the described epoxy particles system and step (3) obtained in step (2) to be respectively dry mixed evenly according to selected ratio of weight and number, to obtain final product.
2. the powder coating had with angle goniochromatic effect according to claim 1, is characterized in that:
Described epoxy particles system is made up of the component of following weight part:
The solidifying agent A of epoxy resin and adaptation 75 parts;
Pigment changeable colors 18 parts;
Color stuffing 15.5 parts;
Auxiliary agent A 1 part;
Described fluorocarbon resin granular system is made up of the component of following weight part:
The solidifying agent B of fluorocarbon resin and adaptation 96.5 parts;
Flow agent 1.2 parts;
Air release agent 0.6 part;
Auxiliary agent B 4 parts.
3. the powder coating had with angle goniochromatic effect according to claim 2, is characterized in that:
The ratio of weight and number of described epoxy particles system and described fluorocarbon resin granular system is 6-4:4-6.
4. the powder coating had with angle goniochromatic effect according to claim 1, is characterized in that:
The ratio of weight and number of described epoxy particles system and described fluorocarbon resin granular system is 1:1.
5., according to the arbitrary described powder coating had with angle goniochromatic effect of claim 1-4, it is characterized in that:
Described epoxy resin comprises bisphenol A type epoxy resin and/or novolac epoxy.
6. the powder coating had with angle goniochromatic effect according to claim 5, is characterized in that:
Described fluorocarbon resin is FEVE resin and/or trifluorochloroethylene-alkyl vinyl ether copolymerized fluorocarbon resin.
7. the powder coating had with angle goniochromatic effect according to claim 6, is characterized in that:
Described pigment changeable colors comprise scribble ferric oxide and/or titanium dioxide pigments, mica, through coating SiO
2sheet, the coating metal oxide sheet of one or many, pearl white sheet, aluminium flake, LCP pigment flakes, the mixture of one or more in the sheet glass and/or multi-layer pigments of coating.
8. the powder coating had with angle goniochromatic effect according to claim 7, is characterized in that:
The particle diameter of described pigment changeable colors is 5-200 μm.
9. prepare the arbitrary described method with the powder coating with angle goniochromatic effect of claim 1-8, it is characterized in that, comprise the steps:
(1) according to selected parts by weight get the solidifying agent A of described epoxy resin and adaptation, color stuffing and auxiliary agent A mix and after being uniformly dispersed, extruded by forcing machine, compressing tablet, pulverizing after cooling, powder sieving for standby;
(2) get the powder that obtains in step (1) and described pigment changeable colors to determine technique by nation and carry out bonding transformation, cooling is sieved, and obtains required epoxy particles system, for subsequent use;
(3) each component of getting the solidifying agent B of described fluorocarbon resin and adaptation, flow agent, air release agent and auxiliary agent B granular system according to selected parts by weight mixes and after being uniformly dispersed, extruded by forcing machine, compressing tablet, pulverize after cooling, powder sieves and obtains required fluorocarbon resin granular system, for subsequent use;
(4) get carbon resin granular system described in the fluorine obtained in the described epoxy particles system and step (3) obtained in step (2) to be respectively dry mixed evenly according to selected ratio of weight and number, to obtain final product.
10. there is the powder coating with angle goniochromatic effect, it is characterized in that, described there is powder paint with angle goniochromatic effect and solidification obtains by arbitrary for claim 1-8.
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| CN104017408B (en) * | 2014-06-24 | 2016-03-02 | 玉石塑粉有限公司 | A kind of thermosetting powder coating(s) auxiliary agent and a kind of coating comprising this auxiliary agent |
| CN106033272B (en) * | 2015-03-17 | 2019-08-23 | 南昌欧菲光学技术有限公司 | Touch panel and preparation method thereof |
| CN105385299A (en) * | 2015-12-14 | 2016-03-09 | 巨野浩远粉末有限公司 | Environmentally-friendly glass powdery coating and preparation method thereof |
| JP7118014B2 (en) * | 2018-01-16 | 2022-08-15 | 関西ペイント株式会社 | Anti-corrosion coating method |
| CN110639780A (en) * | 2019-10-25 | 2020-01-03 | 深圳市崯涛油墨科技有限公司 | Gradient color spraying process |
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| CN1330693A (en) * | 1998-10-15 | 2002-01-09 | 国际涂料有限公司 | Power coating compositions |
| CN101942262A (en) * | 2010-08-30 | 2011-01-12 | 杜邦华佳化工有限公司 | Powder paint with high surface harness and decoration |
| CN102206460A (en) * | 2011-02-28 | 2011-10-05 | 浙江吉利汽车研究院有限公司 | Flower and bird grain powder paint for automobile body finish and preparation method thereof |
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| DE10029802A1 (en) * | 2000-06-16 | 2002-01-03 | Basf Coatings Ag | Color and / or effect aqueous coating materials and their use for the production of color and / or effect, deformable laminates |
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| CN1071941A (en) * | 1991-10-29 | 1993-05-12 | 陶布曼斯有限公司 | Solvent-free composition |
| CN1330693A (en) * | 1998-10-15 | 2002-01-09 | 国际涂料有限公司 | Power coating compositions |
| CN101942262A (en) * | 2010-08-30 | 2011-01-12 | 杜邦华佳化工有限公司 | Powder paint with high surface harness and decoration |
| CN102206460A (en) * | 2011-02-28 | 2011-10-05 | 浙江吉利汽车研究院有限公司 | Flower and bird grain powder paint for automobile body finish and preparation method thereof |
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