CN103131295B - Fingerprint-resistant metal powder coating with chromium plating effect and preparation method thereof - Google Patents
Fingerprint-resistant metal powder coating with chromium plating effect and preparation method thereof Download PDFInfo
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- CN103131295B CN103131295B CN201310108847.7A CN201310108847A CN103131295B CN 103131295 B CN103131295 B CN 103131295B CN 201310108847 A CN201310108847 A CN 201310108847A CN 103131295 B CN103131295 B CN 103131295B
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- 239000002184 metal Substances 0.000 title claims abstract description 78
- 238000007747 plating Methods 0.000 title claims abstract description 63
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title abstract description 12
- 229910052804 chromium Inorganic materials 0.000 title abstract description 12
- 239000011651 chromium Substances 0.000 title abstract description 12
- 238000002360 preparation method Methods 0.000 title description 11
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- Application Of Or Painting With Fluid Materials (AREA)
- Paints Or Removers (AREA)
Abstract
The invention belongs to the field of metal powder coating, and particularly relates to fingerprint-resistant metal powder coating with a chromium plating effect. The fingerprint-resistant metal powder coating with the chromium plating effect comprises an epoxy resin particle system containing epoxy resin, adaptive curing agent A and chromium plating effect pigment, and a fluorocarbon resin particle system containing fluorocarbon resin and adaptive curing agent B, wherein the ratio of parts by weight between the epoxy resin particle system and the fluorocarbon resin particle system is 7-3/3-7. The fingerprint-resistant metal powder coating with the chromium plating effect forms an epoxy resin layer and a fluorocarbon resin layer which are separated in the solidification process, floating type aluminum powder is bonded regularly by means of a bonding process to form the chromium plating effect, the fluorocarbon resin layer at the outer layer has the functions of a transparent protective film, and the epoxy resin layer at the inner layer forms a bonding layer and is favorable for bonding with a layer to be coated.
Description
Technical field
The invention belongs to metal powder coating field, be specifically related to a kind ofly to there is chromium-plating effect and there is metal powder coating of resistance to impression of the hand performance and preparation method thereof.
Background technology
Along with the raising day by day of expanding economy and people's living standard, the requirement of people to self sphere of life comfort level and aesthetics is also more and more higher, making the application of metal powder coating in whole decorative painting more and more wider, is the main product of current fine arts type decoration powder.Metal powder coating refers to the various powder coating containing metallic pigment (as: Cu-Zn alloy powder, silver-colored aluminium powder etc.).Because metal powder coating can show a kind of bright, luxurious decorative effect, be applicable to very much the spraying of indoor, the outer objects such as furniture, ornaments and automobile.Metal powder coating because its contaminative is little, spraying coating process is convenient and be widely used in the industry such as art metal furniture, light fixture, artwork, lampblack absorber, perambulator, sports equipment indoor and outdoor.In manufacturing process, domestic market mainly adopts dry mix, also uses bonding fixation method Ye Cheng nation to determine technique in the world.
The metallic pigment that can be used in powder coating in present product have many kinds, are divided into four classes substantially, i.e. aluminium silver powder pigment, pearly pigment, Cu-Zn alloy powder pigment and other metallic pigment (as nickel powder, Stainless Steel Powder etc.).Each metalloid pigment comprises again the product of a lot of form and aspect, after being applied to powder, just makes powder colourful, has greatly enriched the kind of powder coating and ornamental.Aluminium powder pigment is divided into floating type and two kinds, non-floating type, and the floating application of type aluminium powder in powder coating is more popular, and floating type aluminium powder adds in powder coating, and after paint solidification film forming, metallic aluminium powder covers film coated surface completely, forms the mirror metal outward appearance of similar chromium-plating effect.Floating type aluminium powder is observed many in flake under powerful microscope, and the general < of median size 20 μm, the sense of particle diameter less metal is then stronger, and opacifying power is also larger, and the metal powder of this effect is most popular on current market.But it is same, particle diameter due to the metallic pigment added is less makes it at the extexine extruding and be often in dispersion process coating, therefore namely the greatest problem that metal powder coating exists is because the unstable of metallic pigment causes metal powder coating not wear-resisting, the unstable that easy wiping falls, it is the dry mix that mainly adopts of current domestic and international market or Bang Dingfa technique all can not thoroughly address this problem, also be resistance to impression of the hand problem, the unique method of current head it off figure for spray layer of transparent coating on metal-powder film, material and painting cost is not only made to increase, and too increase difficulty of construction.In addition, the anticorrosion and tolerance performance of metal powder coating also has to be hoisted.
Chinese patent CN1483778A discloses a kind of corrosion-resisting, this metal powder coating take fermented petroleum nylon '1212 ' as base-material, add the materials such as wetting and the good epoxy resin of adhesion effect, the elasticity of the metal powder coating prepared and flexility are given prominence to, there is the excellent properties such as shock-resistant, corrosion-resistant, can significantly improve metal powder coating absorption property and stability.But be subject to the restriction of epoxy resin character, under ultraviolet effect, paint film structure is destroyed, can antiseptic property be lost very soon, therefore this anti-corrosion of metal powder coating not being suitable for is applied under illumination condition, therefore it is promoted to being restricted on a large scale.
Summary of the invention
For this reason, technical problem to be solved by this invention is that in prior art, metal powder coating easily wipes unstable problem, and then the metal powder coating with chromium-plating effect providing a kind of wear-resisting not easily wiping to fall;
Second technical problem to be solved by this invention is to provide a kind of metal powder coating with protection against corrosion and weather resistance;
Present invention also offers the method preparing above-mentioned metal powder coating.
Further, present invention also offers a kind of coating formed by above-mentioned metal powder coating.
For solving the problems of the technologies described above, the invention provides a kind of chromium-plating effect metal powder coating of resistance to impression of the hand, comprise the fluorocarbon resin granular system of epoxy particles system containing epoxy resin, adaptive solidifying agent A and chromium-plating effect pigment 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:
Solidifying agent A 35-85 part of epoxy resin and adaptation;
Chromium-plating effect pigment 3-8 part;
Color stuffing 3-30 part;
Auxiliary agent A 0.5-2 part;
Described fluorocarbon resin granular system is made up of the component of following weight part:
Solidifying agent B89-96.5 part of fluorocarbon resin and adaptation;
Flow agent 0.5-1.5 part;
Auxiliary agent B 1.5-10 part.
Preferably, described epoxy particles system is made up of the component of following weight part:
The solidifying agent A of epoxy resin and adaptation 70 parts;
Chromium-plating effect pigment 6 parts;
Color stuffing 13.2 parts;
Auxiliary agent A 0.8 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 92.7 parts;
Flow agent 1 part;
Auxiliary agent B 2.3 parts.
Preferred further, 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 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 the ratio of epoxy resin and solidifying agent for 90-95:5-10 is advisable.
Described epoxy resin is the mixture of one or more in bisphenol A type epoxy resin (NPES-903, E-12), novolac epoxy (KUKDO YDPN series).
Described solidifying agent A be Dyhard RU 100 (
100S), subotituted dicyardiamide (CASAMID710 of THOM AS SWAN company), hydrazides (ADH), phenolic hydroxyl group resin (KUKDO KD-420) or terminal carboxyl polyester (DSM
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 B1530, Bayer
nW-5 or Blocked Isocyanate Curing Agents or biuret polyisocyanate solidifying agent (Degussa VESTAGON B1530, Bayer
eF403).Generally with the ratio of fluorocarbon resin and solidifying agent for 80:20 is advisable.
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
a40 nepheline syenite is as minex-10 etc., and described pigment comprises titanium dioxide CR826, Carbon Black 330 R, iron oxide red
180m, 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 select weathering resistance color stuffing for fluorocarbon layer as far as possible.
Described auxiliary agent A comprise edge coverage power properties-correcting agent (
mowital), curing catalyst (BASF 2-MI), wetting dispersing agent (
sT) mixture of one or more, in flow promotor (aerosil or aluminum oxide C), any auxiliary agent improving coatingsurface effect can not add.
Described auxiliary agent B comprises the mixture of one or more in air release agent, brightening agent, flow improver additive, wax, antioxidant, photostabilizer or UV absorption agent.
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, and 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
144 or
928.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 a kind of method preparing the above-mentioned chromium-plating effect metal powder coating of resistance to impression of the hand, comprise the steps:
(1) according to selected parts by weight get the solidifying agent A of described epoxy resin and adaptation, described color stuffing and described auxiliary agent A mix and after being uniformly dispersed, extruded by forcing machine, compressing tablet, pulverizing after cooling, powder sieving for standby;
(2) get according to selected parts by weight the powder prepared in described chromium-plating effect pigment and step (1) to determine technique by nation and carry out bonding transformation, cooling is sieved, and obtains required epoxy particles system, for subsequent use;
(3) get the solidifying agent B of described fluorocarbon resin and adaptation, described flow agent according to selected parts by weight to mix with described auxiliary agent B 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 the described fluorocarbon resin granular system obtained in the described epoxy particles system and step (2) prepared in step (3) according to selected ratio of weight and number respectively, be dry mixed evenly, 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 chromium-plating effect metal powder coating of resistance to impression of the hand prepared according to aforesaid method.
The invention also discloses a kind of according to the above-mentioned chromium-plating effect metal powder coating of resistance to impression of the hand being sprayed and solidifying the metal-powder coating obtained.
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, metal 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, take full advantage of epoxy resin and the uncompatibility that cause different from the surface level of fluorocarbon resin, formed in the process of coating curing and be separated, 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, not only described coating can be used for exterior decoration, also reaches the effect making the resistance to impression of the hand of coating simultaneously, and epoxy resin is sink to coating bottom due to larger surface energy and bonds preferably by its excellent wetting and adhesion property and ground to be sprayed simultaneously, also serve the effect of protection base material, metal powder coating of the present invention, utilizing nation to determine technique is successfully bonded in epoxy resin layer by floating type aluminium powder, floating like this type aluminium powder will be sink to coating bottom and can not floating to coating top layer and contacting external air with epoxy resin in the process of solidification, the unstable that completely avoid metallic pigment causes metal powder coating easily to wipe the problem fallen, make coatings go out the effect of chromium plating along two coating interface directional profile simultaneously, and floating to the transparent fluorocarbon resin layer on upper strata, then serve the effect of supercoat, especially aluminium powder is protected directly not contact with the external world effect serving resistance to impression of the hand completely, 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, metal 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 metallic pigment, make the metal powder coating obtained have fabulous stability and weathering resistance;
3, of the present invention have the chromium-plating effect metal powder coating of resistance to impression of the hand, described epoxy particles system and described fluorocarbon resin granular system manufacture with 1:1 mixing, the two is formed with equal proportion be separated, make bonding and provide protection reach balance, save cost;
4, of the present invention have the chromium-plating effect metal powder coating of resistance to impression of the hand, utilizing nation to determine technique is successfully bonded in epoxy resin layer by floating type aluminium powder, its separation surface along epoxy resin layer and fluorocarbon resin layer is aligned, only needs less aluminium powder can realize being formed the effect of chromium plating;
5, metal 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;
6, a kind of chromium-plating effect metal powder coating of resistance to impression of the hand 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, have excellent weather resistance, do not add various liquid chemical film forming, dispersion, anticorrosion, mildew-resistant, solvent etc., environment protection health, transport, storage are convenient.
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 surface sweeping figure of embodiment 1 gained coating;
Fig. 2 is the fixed electron microscope scanning figure of embodiment 1 epoxy resin and aluminium powder nation;
Fig. 3 is the electron microscope scanning figure of embodiment 2 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, and 4-floats type aluminium powder, 5-epoxy resin.
Embodiment
Embodiment 1
The chromium-plating effect metal powder coating of resistance to impression of the hand 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
100S totally 70 parts;
Particle diameter is floating type aluminium powder Eckart pc1006 part of 10-12 μm;
Color stuffing 13.2 parts, comprise pigment and filler, described filler selects barium sulfate as W-44HB, titanium dioxide CR826 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 1:1;
Auxiliary agent A 0.8 part, described auxiliary agent A comprises edge coverage power properties-correcting agent
mowital0.2 part, curing catalyst BASF2-MI0.2 part, wetting dispersing agent
sT0.2 part, flow promotor aluminum oxide C0.2 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 totally 92.7 parts;
Flow agent GLP5881 part;
Auxiliary agent B 2.3 parts, described auxiliary agent B comprises antioxidant KY-10100.3 part, photostabilizer
1440.5 part, UV absorption agent
9280.5 part and flow improver additive aerosil 1 part.
The preparation method of the chromium-plating effect metal powder coating of resistance to impression of the hand 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 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 floating type aluminium powder 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 VESTAGON B1530 and flow 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 metal 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, its result as shown in Figure 1.
As can be seen from the figure, having there is self demixing phenomenon (distinguishing with shade) 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.Simultaneously, described floating type aluminium powder 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 floating whole developing coatings of type aluminium powder 4 goes out good metal-like, formed chromium-plating effect, and due to described floating type aluminium powder 4 along separation surface 3 in aligning, therefore only need less aluminium powder namely can form the effect of chromium plating.In addition, owing to there is fabulous weather resistance at outer field fluorocarbon resin layer 1, the floating type aluminium powder 4 of available protecting internal layer can not corrode by outside contamination, make whole coating be provided with the effect of resistance to impression of the hand.
Further electron microscope scanning is carried out to the epoxy resin layer 2 of described coating, as shown in Figure 2, can find out that all floating type aluminium powders 4 all carry out bonding with described epoxy resin 5 and arrange, determine technique by nation successfully floating type aluminium powder 4 to be fixed in described epoxy resin 5, make it effectively align.
Embodiment 2
The chromium-plating effect metal powder coating of resistance to impression of the hand 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 35 parts, subotituted dicyardiamide solidifying agent (CASAMID710 of THOMAS S WAN company);
Particle diameter is the floating type aluminium powder Eckart pc200 3 parts of 6-8 μm;
Auxiliary agent A 2 parts, described auxiliary agent A comprises edge coverage power properties-correcting agent
mowital0.5 part, curing catalyst BASF2-MI0.5 part, wetting dispersing agent
sT0.5 part, flow promotor aluminum oxide C0.5 part;
Color stuffing 30 parts, comprises pigment and filler, described filler select aluminium hydroxide as
a40, 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 2:1;
Described fluorocarbon resin granular system is made up of the component of following weight part:
FEVE resin and biuret polyisocyanate solidifying agent Bayer
eF403 totally 96.5 parts;
Flow agent P67 1.5 parts;
Auxiliary agent B 1.5 parts, described auxiliary agent B comprises air release agent st-yrax 0.5 part, UV absorption agent
9280.5 part and flow improver additive aerosil 0.5 part.
The preparation method of the chromium-plating effect metal powder coating of resistance to impression of the hand 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 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 floating type aluminium powder 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 VESTAGON B1530 and flow 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 metal 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 3.In whole coating, fluorocarbon resin layer 1 and epoxy resin layer 2 still create obvious separation surface 3, and described floating type aluminium powder 4 also along the separation surface of epoxy resin layer in aligning.
Embodiment 3
The chromium-plating effect metal powder coating of resistance to impression of the hand 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:
Novolac epoxy (KUKDO YDPN series) and phenolic hydroxyl group resin curing agent (KUKD OKD-420 totally 85 parts;
Particle diameter is the floating type aluminium powder Eckart pc100 8 parts of 4-6 μm;
Color stuffing 3 parts, comprises pigment and filler, described filler select aluminium hydroxide as
a40, 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 0.5 part, described auxiliary agent A comprises curing catalyst BASF2-MI0.2 part, wetting dispersing agent
sT0.1 part, flow promotor aluminum oxide C0.2 part;
Described fluorocarbon resin granular system is made up of the component of following weight part:
FEVE resin and 89 parts, biuret polyisocyanate solidifying agent;
Flow agent PV88 0.5 part;
Auxiliary agent B 10 parts, described auxiliary agent B comprises air release agent st-yrax 0.5 part, brightening agent 701 auxiliary agent 2.5 parts, antioxidant KY-10103 part, photostabilizer
1441 parts, UV absorption agent
9282 parts and flow improver additive aerosil 1 part.
The preparation method of the chromium-plating effect metal powder coating of resistance to impression of the hand 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 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 floating type aluminium powder 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 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 metal 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.
Embodiment 4
The chromium-plating effect metal powder coating of resistance to impression of the hand 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 (DSM
p5980 60 parts;
Particle diameter is the floating type aluminium powder Eckart pc100 4 parts of 8-10 μm;
Color stuffing 10 parts, comprises pigment and filler, and described filler selects nepheline syenite as minex-10, and iron oxide red selected by described pigment
180m, 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 0.6 part, described auxiliary agent A comprises edge coverage power properties-correcting agent
mowital0.2 part, curing catalyst BASF 2-MI0.1 part, wetting dispersing agent
sT0.1 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 (Degussa VESTAGON B 1530) 94 parts;
Flow agent P200 0.7 part;
Auxiliary agent B 2 parts, described auxiliary agent B comprises air release agent micro mist wax 0.4 part, brightening agent 701 auxiliary agent 0.1 part, ethylene waxes 0.2 part, Poly Propylene Wax 0.3 part, antioxidant KY-10100.2 part, photostabilizer
1440.2 part, UV absorption agent
9280.3 part and flow improver additive aluminum oxide C0.3 part.
The preparation method of the chromium-plating effect metal powder coating of resistance to impression of the hand 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 floating type aluminium powder 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, 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 metal 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 chromium-plating effect metal powder coating of resistance to impression of the hand 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:
Bisphenol A type epoxy resin (E-12) and hydrazides (ADH) amount to 77 parts;
Particle diameter is the floating type aluminium powder Eckart pc150 7 parts of 5-8 μm;
Color stuffing 22.6 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
mowital0.3 part, curing catalyst BASF2-MI0.4 part, wetting dispersing agent
sT0.3 part, flow promotor aerosil 0.4 part;
Described fluorocarbon resin granular system is made up of the component of following weight part:
FEVE resin and Blocked Isocyanate Curing Agents (Bayer
nW-5) 90.6 parts;
Flow agent GLP588 1.2 parts;
Auxiliary agent B 6.2 parts, described auxiliary agent B comprises air release agent micro mist wax 2.5 parts, brightening agent 701 auxiliary agent 0.5 part, ethylene waxes 0.5 part, Poly Propylene Wax 0.5 part, antioxidant KY-10100.5 part, photostabilizer
1440.5 part, UV absorption agent
9280.5 part and flow improver additive aluminum oxide C0.7 part.
The preparation method of the chromium-plating effect metal powder coating of resistance to impression of the hand 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 floating type aluminium powder 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, 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 metal 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 chromium-plating effect metal powder coating of resistance to impression of the hand 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 S WAN company) amount to 30 parts;
Particle diameter is the floating type aluminium powder Eckart pc100 1 part of 2.6-5 μm;
Color stuffing 40 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 4:3;
Auxiliary agent A 3 parts, described auxiliary agent A comprises edge coverage power properties-correcting agent
mowital1.5 part, curing catalyst BASF2-MI0.5 part, wetting dispersing agent
sT0.5 part, flow promotor aluminum oxide C0.5 part;
Described fluorocarbon resin granular system is made up of the component of following weight part:
FEVE resin and biuret polyisocyanate solidifying agent Bayer
eF403 80 parts;
Flow agent P67 2.5 parts.
The preparation method of the chromium-plating effect metal powder coating of resistance to impression of the hand 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 floating type aluminium powder 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 VESTAGON B1530 and flow 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 metal 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, floating mixed and disorderly being distributed in whole painting sheaf space of type aluminium powder, and the separation surface formed unfairness, whole layer cannot be made to form the effect of chromium plating, has been at least unconspicuous.Therefore, the coating of this schematic design making is all obviously not as the effect in previous embodiment 1-5 in layering sharpness or chromium-plating effect.
Embodiment 7
The chromium-plating effect metal powder coating of resistance to impression of the hand 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:
(KUKD OKD-420 amounts to 100 parts for novolac epoxy (KUKDO YDPN series) and phenolic hydroxyl group resin curing agent;
Particle diameter is the floating type aluminium powder Eckart pc100 2 parts of 5-10 μm;
Color stuffing 60 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 PV88 0.2 part;
Auxiliary agent B 12 parts, described auxiliary agent B comprises air release agent st-yrax 1.5 parts, brightening agent 701 auxiliary agent 2.5 parts, antioxidant KY-10103 part, photostabilizer
1441 parts, UV absorption agent
9282 parts and flow improver additive aerosil 2 parts.
The preparation method of the chromium-plating effect metal powder coating of resistance to impression of the hand 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 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 floating type aluminium powder 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 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 metal 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.The coating result obtained by sem observation as shown in Figure 5.In whole coating, although also there is distant demixing phenomenon, floating mixed and disorderly being distributed in whole painting sheaf space of type aluminium powder, and the separation surface formed unfairness, whole layer cannot be made to form the effect of chromium plating, has been at least unconspicuous.Therefore, the coating of this schematic design making is all obviously not as the effect in previous embodiment 1-5 in layering sharpness or chromium-plating effect.
Comparative example 1
Component selected by metal powder coating described in this comparative example 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 floating type aluminium powder by nation after powder sieves to bond, obtain required metal powder coating.
The metal 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, it is floating that type aluminium powder is erratic appears in whole coating, the floating erratic arrangement of type aluminium powder causes the increasing of the usage quantity of aluminium powder to produce chromium-plating effect 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, floating type aluminium powder is exposed to the external world simultaneously, also whole coating is made to there will be oxidized phenomenon, not there is the effect of resistance to impression of the hand.
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; floating type aluminium powder is under the protection of fluorocarbon resin simultaneously; it also avoid the problem exposing Exposure to Sunlight for a long time to the open air and occur to go bad; not only form the effect of chromium plating, also there is the function of resistance to impression of the hand and stable performance simultaneously.
Anticorrosion and weather resistance detection is carried out to the coating that previous embodiment 1-5 is formed, confirms that the chromium-plating effect metal powder coating of resistance to impression of the hand 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. the chromium-plating effect metal powder coating of resistance to impression of the hand, 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 35-85 part of epoxy resin and adaptation;
Chromium-plating effect pigment 3-8 part;
Color stuffing 3-30 part;
Auxiliary agent A 0.5-2 part;
Described fluorocarbon resin granular system is made up of the component of following weight part:
Solidifying agent B 89-96.5 part of fluorocarbon resin and adaptation;
Flow agent 0.5-1.5 part;
Auxiliary agent B 1.5-10 part;
The described chromium-plating effect metal powder coating of resistance to impression of the hand is prepared in accordance with the following steps:
(1) according to selected parts by weight get the solidifying agent A of described epoxy resin and adaptation, described color stuffing and described auxiliary agent A mix and after being uniformly dispersed, extruded by forcing machine, compressing tablet, pulverizing after cooling, powder sieving for standby;
(2) get according to selected parts by weight the powder prepared in described chromium-plating effect pigment and step (1) to determine technique by nation and carry out bonding transformation, cooling is sieved, and obtains required epoxy particles system, for subsequent use;
(3) get the solidifying agent B of described fluorocarbon resin and adaptation, described flow agent according to selected parts by weight to mix with described auxiliary agent B 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 the described fluorocarbon resin granular system obtained in the described epoxy particles system and step (2) prepared in step (3) according to selected ratio of weight and number respectively, be dry mixed evenly, obtain final product.
2. the chromium-plating effect metal powder coating of resistance to impression of the hand 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 70 parts;
Chromium-plating effect pigment 6 parts;
Color stuffing 13.2 parts;
Auxiliary agent A 0.8 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 92.7 parts;
Flow agent 1 part;
Auxiliary agent B 2.3 parts.
3. the chromium-plating effect metal powder coating of resistance to impression of the hand according to claim 1 and 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 chromium-plating effect metal powder coating of resistance to impression of the hand according to claim 3, 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. the chromium-plating effect metal powder coating of resistance to impression of the hand according to claim 1 and 2, is characterized in that:
Described epoxy resin is bisphenol A type epoxy resin and/or novolac epoxy.
6. the chromium-plating effect metal powder coating of resistance to impression of the hand 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 chromium-plating effect metal powder coating of resistance to impression of the hand according to claim 6, is characterized in that:
Described chromium-plating effect pigment is floating type aluminium powder.
8. the chromium-plating effect metal powder coating of resistance to impression of the hand according to claim 7, is characterized in that:
The particle diameter of described floating type aluminium powder is 2.6-15 μm.
9. prepare a method for the arbitrary described chromium-plating effect metal powder coating of resistance to impression of the hand 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, described color stuffing and described auxiliary agent A mix and after being uniformly dispersed, extruded by forcing machine, compressing tablet, pulverizing after cooling, powder sieving for standby;
(2) get according to selected parts by weight the powder prepared in described chromium-plating effect pigment and step (1) to determine technique by nation and carry out bonding transformation, cooling is sieved, and obtains required epoxy particles system, for subsequent use;
(3) get the solidifying agent B of described fluorocarbon resin and adaptation, described flow agent according to selected parts by weight to mix with described auxiliary agent B 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 the described fluorocarbon resin granular system obtained in the described epoxy particles system and step (2) prepared in step (3) according to selected ratio of weight and number respectively, be dry mixed evenly, obtain final product.
10. the chromium-plating effect metal-powder coating of resistance to impression of the hand, is characterized in that, is arbitrary for claim 1-8 described chromium-plating effect metal powder coating of resistance to impression of the hand to be sprayed and solidified obtain.
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| CN103422806A (en) * | 2013-09-03 | 2013-12-04 | 张家港固耐特围栏系统有限公司 | Door body component of trackless sliding door |
| CN103525284B (en) * | 2013-10-21 | 2015-09-09 | 山东科技大学 | Ocean heavy antisepsis self stratifying coating |
| CN107429103B (en) * | 2015-03-02 | 2019-12-24 | Ａｇｃ株式会社 | Powder coating material, coated article, and method for producing coated article |
| CN104877539A (en) * | 2015-06-08 | 2015-09-02 | 山东朗法博粉末涂装科技有限公司 | Metal bonding powder coating with mirror-like silver effect as well as preparation method and application thereof |
| CN106609096A (en) * | 2016-12-01 | 2017-05-03 | 天长市金陵电子有限责任公司 | Kitchen ware dedicated electrostatic spraying powder coating and preparation method thereof |
| CN111171681B (en) * | 2020-01-18 | 2021-07-30 | 中航百慕新材料技术工程股份有限公司 | Graphene fluorine modified epoxy self-layering powder coating and preparation method thereof |
| CN114958196A (en) * | 2022-06-29 | 2022-08-30 | 广东华江粉末科技有限公司 | High-temperature-resistant black wrinkle powder coating and preparation method thereof |
| CN115651491B (en) * | 2022-12-15 | 2023-11-14 | 北京久顺启航新材料有限公司 | Corrosion-resistant powder coating and production process thereof |
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| CN101333357A (en) * | 2008-07-02 | 2008-12-31 | 大连海事大学 | Luminous paint and method for preparing same |
| CN201761280U (en) * | 2010-02-09 | 2011-03-16 | 佛山市天安塑料有限公司 | Sheet |
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| CN101333357A (en) * | 2008-07-02 | 2008-12-31 | 大连海事大学 | Luminous paint and method for preparing same |
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Denomination of invention: A chromium plating effect resistant handprint metal powder coating and its preparation method Effective date of registration: 20231130 Granted publication date: 20141224 Pledgee: China Construction Bank Corporation Fenghua sub branch Pledgor: NINGBO SOUTH SEA CHEMICAL Co.,Ltd. Registration number: Y2023980068387 |