CN105001780A - Non-viscous granite imitation paint, waterborne fluororesin granite non-viscous coating prepared from non-viscous granite imitation paint and coating method of non-viscous granite imitation paint - Google Patents
Non-viscous granite imitation paint, waterborne fluororesin granite non-viscous coating prepared from non-viscous granite imitation paint and coating method of non-viscous granite imitation paint Download PDFInfo
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- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 abstract 1
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Landscapes
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention relates to non-viscous paint, in particular to non-viscous granite imitation paint, a waterborne fluororesin granite non-viscous coating prepared from the non-viscous granite imitation paint and a coating method of the non-viscous granite imitation paint. The non-viscous granite imitation paint is colorful water-in-water paint. The non-viscous granite imitation paint comprises, by solid content, 0.1%-3% of protecting glue, 10%-50% of pigment, 30%-60% of organic adhesive resin, 10%-30% of fluorine-containing polymer and a proper amount of water, organic solvent, dispersing auxiliary and thickening agent. The non-viscous granite imitation paint can achieve the effects of colorful granite paint under the condition that the film thickness (40-60 microns) is small.
Description
Technical field
The present invention relates to a kind of non-viscous paint, specifically a kind of artificial granite paint, the water-based fluororesin grouan non-sticky metallic coating utilizing it to prepare and coating method thereof with not viscosity.
Background technology
At present popular on non-stick pan tool market parian non-viscous paint, by spreading a mode for spraying, applying one or more single color point and being coated with and reaching marmorean surface effect.Although this coating process technology possesses bag effect, there is following defect: the decorative pattern that a. spreads a little is less;
B. spread the decorative pattern that a construction once can only spray solid color, need multiple working procedure to spray multi color effect;
C. spot printing overlapping or some line is larger time, because thickness increases the phenomenon of easy appearance point crack initiation;
D. spot printing is because add a large amount of fillers, easily affects the entirety not viscosity of film when being sprinkling upon on finish paint;
E. being coated with tetrafluoroethylene is matrix resin, in addition a large amount of pigment, and material is softer, and convex in the coating, in use, is easily scraped;
F. put coating layer as an independently coating, wearing and tearing or lose bag effect after wiping off in use procedure, affect attractive in appearance;
G. parian coating only increases spot printing on common teflon coating, and in appearance effect, only have the outward appearance of approximate bag, hardness, tetrafluoroethylene relatively common on scraping and wiping resistance performance is without any difference.
At present, popular colorful granite coating in building materials Coating Market, can not be applied to non-sticking cooking utensils industry:
A. building materials coating many employings acrylic resin, and the fluorocarbon resin of non-refractory is as matrix resin, can not solve the high temperature resistant and food-safety problem required for non-viscous paint industry.And the attachment issue that can not solve on non-sticking cooking utensils metal base;
B. colorful grouan building materials coating in the market, touches dry coating method with wet, needs the thicker coating thickness (1-2 millimeter) of spraying just can reach the effect of bag and the performance of coating;
C. the colorful grouan building materials coating that existing market is popular, clearly, and natural stone texture has larger difference to the color interface between decorative pattern and decorative pattern.
Summary of the invention
The invention provides a kind of artificial granite paint with not viscosity, this coating (40-60 micron) under thinner thickness reaches the effect of granite multicolor paint.
The present invention also provides a kind of water-based fluororesin grouan non-sticky metallic coating utilizing the above-mentioned artificial granite paint with not viscosity to prepare.
The coating method of water-based fluororesin grouan non-sticky metallic coating.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of artificial granite paint with not viscosity; this coating is the multicolor finish of water-water; it comprises following component in solid content: protecting glue 0.1-3%, pigment 10-50%, organic bonding resin 30-60%, fluoropolymer resin 10-30%, and appropriate water, organic solvent, dispersing auxiliary and thickening material.
As preferably, organic bonding resin is selected from polyethersulfone resin, polyether-ether-ketone resin or the combination of the two, and fluoropolymer resin is selected from the combination of one or more resins in tetrafluoroethylene (PTFE), tetrafluoroethylene-perfluorinated alkoxy vinyl ether copolymer (PFA), fluorinated ethylene propylene copolymer (FEP).
As preferably, organic bonding resin is the combination of polyether-ether-ketone and polyethersulfone resin, and the mass ratio of polyether-ether-ketone and polyethersulfone resin is 1:4 to 2:3.
As preferably, protecting glue is the neusilin salt brine solution of massfraction 1-15%.
Have a preparation method for the artificial granite paint of not viscosity, the method comprises the steps:
A, two or more colored paint and the granulation of protecting glue blending dispersion, in protecting glue, form liquid look grain, obtain mixture A, the mass ratio of solid color enamel and protecting glue is 1:1 to 2:1;
B, the non-viscous paint that to add with organic bonding resin and fluoropolymer resin in mixture A be main component, obtain artificial granite paint after stirring.
As preferably, the preparation method of colored paint is: pigment and suitable quantity of water, organic solvent, dispersing auxiliary and thickening material B are mixed and made into mill base, add film forming matter resin formation colored paint in mill base, film forming matter resin is selected from organic bonding resin, both fluoropolymer resins one or a combination set of.
As preferably, described film forming matter resin is polyether-ether-ketone resin.
As preferably, described thickening material B is Natvosol, and the addition of Natvosol is the 0.2-0.8% of colored paint quality.
As preferably, the add-on of described non-viscous paint is the 30%-70% of artificial granite paint total mass, the component of non-viscous paint comprises in massfraction: PES 20-25%, PEEK 0-5%, FEP 0-15%, PTFE 0-15%, and appropriate organic solvent, dispersing auxiliary, thickening material and water.
A kind of water-based fluororesin grouan non-sticky metallic coating, this non-sticky metallic coating comprises undercoat, floating coat and finishing coat, it is characterized in that: described floating coat is coated on undercoat by floating coat paint to be formed, floating coat paint adopts the artificial granite paint with not viscosity according to claim 1.The dispersion granulation process Principle of Process of floating coat paint is consistent with the multicolor finish in common building field.
As preferably, the component of described bottom coating comprises in massfraction: polyethersulfone (PES) 5-15%, polyether-ether-ketone (PEEK) 0-10%, polyamide-imide (PAI) 0-5%, tetrafluoroethylene (PTFE) 10-30%, fluorinated ethylene propylene copolymer (FEP) 2-6%, color stuffing 2-20%, auxiliary agent 0-10%, deionized water 50-70%.
As preferably, the viscosity of described bottom coating is 1000cP ± 100cP.
A kind of coating method of described water-based fluororesin grouan non-sticky metallic coating, spraying bottom coating coating on base material, before the non-surface drying of bottom coating film, at its surface spraying floating coat paint, after the point-like look grain in floating coat paint is evenly distributed on bottom coating surface, dry at the temperature of 100-400 DEG C, then spray-coating surface coating, dry, sintering, obtains non-sticky metallic coating product.
Bottom coating provides bottom coating and base material, bottom coating and floating coat paint, and the adhesive power at bottom coating and top coat three interfaces, provides corrosion resistance nature, wear resisting property simultaneously; Simultaneously the fusion of it and floating coat paint strengthens the grain effect of grouan.Floating coat paint is multicolor finish, colorful grouan effect is mainly provided, strengthen the hardness of bottom coating simultaneously, the performances such as wear-resisting scratch resistance, the simultaneously fusion of it and bottom coating, improve the roughness on bottom coating surface, enhance the sticking power between top coat, strengthen the wear-resistant unsticky performance of product simultaneously.Top coat mainly provides non-adhesion behavior.In the present invention, the key of non-sticky metallic coating is preparation method and the coating method thereof of floating coat paint, and bottom coating and top coat all can adopt this area conventional formulation.
One, floating coat paint
Protecting glue accounts for the 0.1-3% of the weight that floating coat paint is always filled a prescription by solid part.Protecting glue is preferably the neusilin salt brine solution of massfraction 1-15%.The protecting glue selected in the present invention has the LR-580 of Changshu Lin Run, the LAPONITE S-482 of BYK, the GTS of LAPONITE RD and Giovanni Miami, find in experimentation, the neusilin salt pair floating coat stability of the different trade mark has a great impact, because the protecting glue solution of neusilin salt formation has very large reaction for the positively charged ion in solution, the Rapid Variable Design of dope viscosity can be caused, cause coating property unstable, the S-482 of the preferred BYK of neusilin salt of above 3 brands, for the sedimentation of coating, the change of viscosity has good improvement result.The massfraction of neusilin salt is preferably and remains between 1 ~ 10%, and most preferably 6%.
The mineral dyes such as pigment optimization red iron oxide, iron oxide black, titanium white, the temperature tolerance of mineral dye is better.But because the dispersiveness of mineral dye is poor, and often need to add some dispersing auxiliaries and carry out aid dispersion.
The not allochroic polyethersulfone resin of the preferred high temperature of organic bonding resin, polyether-ether-ketone resin and both be combined as main body adhering resin, while strengthening priming paint physicals, also strengthen the sticking power between priming paint and middle paint.Organic bonding resin accounts for the 30-60% of floating coat paint by solid part, wherein between preferred 1:4 to the 2:3 of the ratio of polyether-ether-ketone and polyethersulfone resin.
Fluoropolymer resin is selected from the combination of one or more resins in tetrafluoroethylene (PTFE), tetrafluoroethylene-perfluorinated alkoxy vinyl ether copolymer (PFA), fluorinated ethylene propylene copolymer (FEP).The selection of fluoropolymer resin is not limited to above-mentioned scope.Fluoropolymer resin can be emulsion, and also can be the suspended dispersed liquid that powder is made, its solid part accounts for the 10-30% of floating coat paint.
Described film forming matter resin is preferably polyether-ether-ketone resin, because being the some line part of granite coating after colored paint final drying film forming, the composition of fluoropolymer is not had in some line, relatively hard, also just mean in coating have intensive point-like hard projection, support whole film, enhance hardness of film, make fluoropolymer resin not easily be worn simultaneously, enhance the wear-resistant unsticky performance of coating.
The consumption of dispersing auxiliary is selected according to art technology general knowledge.
Described thickening material is preferably Natvosol, and Natvosol is for adjusting look grain size shape, and addition is few, and look grain is unstable, is easily blended; Addition is moderate, and look grain distributes in the form of sheets, easily merges the bag effect forming suitable size in bottom coating; Addition is too large, and look grain be spherical distribution, is not easy to incorporate bottom coating, forms coarse projection, and puts line after sintering film forming and be easily scraped.The addition of the preferred Natvosol of the present invention is the 0.2-0.8% of colored paint total mass, specifically according to the colored paint determination addition of different colours.
Two, bottom coating
Bottom coating formula of the present invention can adopt the conventional formulation of non-sticky metallic coating technical field undercoat.
Bottom coating of the present invention contains one or more organic adhesive resins, one or more fluoropolymer resins and various color stuffing:
Organic bonding resin mainly comprises: polyamide-imide, polyphenylene sulfide, polyethersulfone, the fire resistant resins such as polyether-ether-ketone, the polyethersulfone resin of the preferred high temperature color inhibition of the present invention, polyether-ether-ketone resin and both combinations, as main body adhering resin, can add the polyamide-imide resin reinforcing property of easier xanthochromia on a small quantity.Its solid part of organic bonding resin accounts for the 12-50% of total bottom coating solid part by weight.
Fluoropolymer resin is including but not limited to the combination of one or more resins in tetrafluoroethylene (PTFE), tetrafluoroethylene-perfluorinated alkoxy vinyl ether copolymer (PFA), fluorinated ethylene propylene copolymer (FEP).Its solid part accounting is 10-60%.
Color stuffing solid part accounting is 2-40%, selects temperature tolerance color stuffing.
Suitable destructiveness can be had to be advisable to the protectiveness of floating coat paint protecting glue to have in the component of bottom coating; like this; after spraying floating coat paint; the protection glue-line of floating coat paint look grain is destroyed; interface between look grain and bottom coating forms the interface that a gradient merges; enhance the sticking power of bottom coating and floating coat paint look intergranular, there is intermediate color effect more attractive in appearance simultaneously.
Bottom coating adjusts viscosity by thickening material, water or other water-soluble solvents, thickening material preferred bases swelling type acrylic resin, hydroxylated cellulose, xanthan gum or their combination.
The optimum formula of bottom coating is: polyethersulfone (PES) 5-15%, polyether-ether-ketone (PEEK) 0-10%, polyamide-imide (PAI) 0-5%, tetrafluoroethylene (PTFE) 10-30%, fluorinated ethylene propylene copolymer (FEP) 2-6%, color stuffing 2-20%, auxiliary agent 0-10%, deionized water 50-70%.
The viscosity of bottom coating is to the application property of product, and feel and bag effect have larger impact, specifically in table 1.
The viscosity of table 1 bottom coating is on the impact of the application property of product
As can be seen from Table 1, bottom coating viscosity is too low, easily occurs sagging phenomenon, and floating coat paint look grain and bottom coating dissolve each other degree too greatly, and some line is fuzzy; During modest viscosity, the look particle shape of floating coat paint becomes suitable interface to dissolve each other, while guarantee point line sharpness, have again natural intermediate color, shows slightly scabrid marble texture; Viscosity is too high, and look grain cannot well be fused in bottom coating, and sticking power reduces, and grain point is outstanding simultaneously, seems too coarse.
Three, finishing coat
Top coat formula of the present invention can adopt the conventional formulation of non-sticky metallic coating technical field finishing coat.
Here only to be exemplified as the formula that object provides a kind of top coat, top coat of the present invention comprises:
A. teflon resin, its content is about 70-100% by solid part accounting;
B. auxiliary film-forming resin, including but not limited to the combination of one or more resins in tetrafluoroethylene-perfluorinated alkoxy vinyl ether copolymer (PFA), fluorinated ethylene propylene copolymer (FEP), its content is about 0-10% by solid part accounting;
C. the tinter of one or more combinations in pigment, pearlescence, its content is about 0-3% by solid part accounting.Top coat should have certain transparency in principle, to show the colorful bag effect of floating coat paint;
D. other auxiliary agents account for the 0-10% of total formula.
Four, coating method
Existing multicolor finish technology covers bottom coating or ground completely with multicolor finish, and namely multicolor finish coating forms continuous print coating, and the coating that this method obtains is thicker, generally in 1-2 millimeter.Coating method of the present invention does not need multicolor finish to cover bottom coating completely, become an independent coating, but colorful floating coat paint is touched wet mode sprayed by wet, broken colour grain spot distribution on bottom coating and bottom coating merge formation composite colorful coating.
First key character of coating method of the present invention is, multicolor finish be spot distribution on bottom coating, do not need continuous film forming, solve the shortcoming that granite coating needs thick painting, also solve the shortcoming that existing marble coating sparrow pecked is little;
Coating method another one key character of the present invention is, touch wet spray by wet, floating coat paint merges in embedding bottom coating, reduces outstanding harsh feeling, strengthen the ply adhesion of coating simultaneously, also solve marble and spread a problem for coating point conference cracking;
3rd key character of coating method of the present invention is; the protective layer of protecting glue is destroyed in conjunction with the one-tenth branch in bottom coating; by the content of the Natvosol in adjustment bottom coating viscosity and multicolor finish; make to form the interface of a natural transition between bottom coating and look grain, while guaranteeing that a line is clear, increasing sticking power, also enhance the effect of decorative pattern natural beauty.
The invention has the beneficial effects as follows: adopt water-based fluororesin grouan non-sticky metallic coating of the present invention and coating method thereof, can obtain a kind of non-sticky metallic coating with grouan bag effect, this coating can make larger decorative pattern.During coating, can only by one multiple color dot of procedure spray coating; Solve the problem of Cracking of a line; Maintain the not viscosity of water-based fluororesin grouan non-sticky metallic coating; Improve wear-resistant unsticky performance simultaneously; Improve hardness and the scratch resistance performance of water-based fluororesin grouan non-sticky metallic coating; Floating coat paint incorporates bottom coating, and form decorative pattern, decorative pattern can not lose bag effect because of wearing and tearing; Touch wet coating method with wet, the some line formed with floating coat paint is incorporated bottom coating, and the color of undercoat also forms a part for decorative pattern, forms intermediate color, closer to nature with between time point line and bottom coating.By formula of the present invention and coating method, under thinner thickness, (40-60 micron) effect of granite multicolor paint can be reached.
Embodiment
Below by specific embodiment, technical scheme of the present invention is described in further detail.Should be appreciated that enforcement of the present invention is not limited to the following examples, any pro forma accommodation make the present invention and/or change all will fall into scope.
In the present invention, if not refer in particular to, all parts, per-cent are weight unit, and the equipment adopted and raw material etc. all can be buied from market or this area is conventional.Method in following embodiment, if no special instructions, is the ordinary method of this area.
In following examples, the Chinese of the english abbreviation representative of compound is as follows: PES polyethersulfone, PEEK polyether-ether-ketone, PAI polyamide-imide, PTFE tetrafluoroethylene, FEP fluorinated ethylene propylene copolymer.
Embodiment 1-5:
Have an artificial granite paint for not viscosity, this coating is the multicolor finish of water-water, and its preparation method is:
A, two or more colored paint and the granulation of protecting glue blending dispersion, in protecting glue, form liquid look grain, obtain mixture A, the mass ratio of solid color enamel and protecting glue is 1:1 to 2:1;
B, in mixture A, add non-viscous paint, obtain artificial granite paint after stirring, the add-on of non-viscous paint is the 30%-70% of artificial granite paint total mass.In the method, the proportioning of each component is specifically in table 5.The formula of protecting glue is in table 2, and the formula of colored paint is in table 3 (containing black and white colored paint), and the formula of non-viscous paint is in table 4.
The composition proportion (unit: kg) of table 2 protecting glue
| Formula | 1 | 2 | 3 | 4 | 5 |
| Neusilin salt | 6(LR-580) | 6(RD) | 6(S-482) | 10(LR-580) | 15(LR-580) |
| Deionized water | 94 | 94 | 94 | 90 | 85 |
| Add up to | 100 | 100 | 100 | 100 | 100 |
(note: 1200rpm stirs 30min, and shelving clarification can use)
Conclusion: the neusilin salt of three kinds of different trades mark such as LR-580, RD, S-482, preferred S-482, obtain protecting glue clarity good, and rear thickening rate is slow, is conducive to paint stability because it stirs; And for the addition of neusilin salt, be preferably and remain between 1 ~ 10%, most preferably 6%; Viscosity too much can be caused higher, be unfavorable for granulation and preservation, it is uneven that meeting on the low side causes granulation to protect, can easy bleeding.
The composition proportion (unit: kg) of table 3 black colored paint
Conclusion: in black colored paint gross weight for 100%, pigment addition is preferably between 45 ~ 55%, for coloring effect and granulation outcome all fine, color paste viscosity is better moderate, and the low granulation of viscosity is thin, easily paves after spraying, without protruding after sintering; In four film forming matter resins the hardness of PEEK and snappiness best, be secondly PES, PTFE, FEP.PTFE and FEP can provide good wear-resistant unsticky, but difference of hardness wear resistance is not good, therefore, preferred hardness of the present invention and the good PEEK of snappiness, hardness and the intensity of coating are provided, ensure that FEP and PTFE place can provide lasting not viscosity in the coating, strengthen wear-resistant unsticky performance.
According to above principle, the white colored paint formulation of the present invention preferably formula shown in table 3 (Continued).
The composition proportion (unit: kg) of table 3 (Continued) white colored paint
| Formula | 12 |
| Titanium dioxide | 40 |
| PEEK | 10 |
| Propylene glycol | 10 |
| Dispersing auxiliary | 0.5 |
| Auxiliary agent | 1 |
| Natvosol | 0.5 |
| Deionized water | 38 |
| Add up to | 100 |
Auxiliary agent in above-mentioned formula is the auxiliary agent in conventional coating meaning, and it is chosen as the known technology of this area.Propylene glycol is as organic solvent, and its effect helps wetting and dispersing organic bonding resin and fluoropolymer resin.
The component proportion (unit: kg) of table 4 non-viscous paint
The larger jaundice of yellowing numerical value is more severe, and the larger scratch resistance performance of scraping and wiping resistance performance numerical value is better.
Conclusion:
1, the addition of PES is too much, and film can be caused to turn to be yellow, and temperature tolerance is not fine;
2, the interpolation of PEEK, provides the toughness of coating and anti-scratch performance;
3, the less stable of PTFE in system, therefore performance comparison is not carried out in position, PFA price is higher, therefore the preferred FEP of the present invention is as the resin providing not viscosity.
The composition proportion (unit: kg) of table 5 artificial granite paint
Yellowing numerical value is more large more yellow, pelleting stability, and numerical value is more large more stable.
Conclusion:
1, protecting glue addition is too much, jaundice after easily making coating sinter, and add-on is 15% ~ 20% to be advisable, and protecting glue amount is unfavorable for that granulation is stablized less;
2, non-viscous paint addition is too much, jaundice after easily making coating sinter, and add-on is 30 ~ 40% to be advisable.
3, the preferred embodiment of the present invention 3.
Embodiment 6-14: water-based fluororesin grouan non-sticky metallic coating
The coating method of water-based fluororesin grouan non-sticky metallic coating is as follows: first spraying bottom coating coating on base material, bottom coating uses conventional spray guns to spray, before bottom coating film does not also have surface drying, with the spray gun spraying floating coat paint being specifically designed to spraying multicolor finish, after point-like look grain is evenly distributed on bottom coating surface, send baking oven baking to dry, the temperature range of baking controls between 100-400 DEG C, the thickness adding floating coat paint because of bottom coating is thicker, according to the bottom coating drying means (between 80-180 DEG C) of common three coatings, required time is oversize, affect efficiency, the temperature of more than 300 DEG C can be used to toast, answer heat-up rate can not be too fast, otherwise can bubble be produced.Should guarantee water and other volatile substances totally, otherwise film easily turns to be yellow simultaneously.Dry spray-coating surface coated coating after bottom coating and floating coat paint, dry by the top coat execution conditions of general dual layer water-based and three layers of water-based after spray-coating surface coated coating and sinter.
The formula of bottom coating, floating coat paint is shown in following embodiment, the formula of finishing coat can adopt the finishing coat formula of conventional non-sticky metallic coating, in order to description effect, the finishing coat formula adopted in the embodiment of the present invention is (each component sum for 100%, fills a prescription 19 in massfraction):
The formula of bottom coating is in table 6.
Table 6: the base coat composition proportioning (unit: kg) of grouan non-sticky metallic coating
Conclusion:
1, when the addition of PES is 10, the sticking power between undercoat and metal base is bad, and when addition is 11.25, sticking power is out of question, but sticking power to boil water has impact, when addition is 13.75, sticking power and sticking power to boil water all out of question;
2, when the addition of PEEK is different, the hardness of whole coating and coating scratch resistance etc. play very large help;
3, the interpolation of filler, the silicon carbide of preferred different-grain diameter, add in embodiment what be that gold covers three kinds of median sizes of silicon carbide is the green silicon carbide filler of 30 μm, 40 μm, 50 μm respectively;
Therefore, embodiment 13 is Optimization design, the sticking power between undercoat and metal base and sticking power to boil water all out of question, and central coating spraying on undercoat time, help is formed to grouan lines.Embodiment 6-14 provides the bottom coating formula realizing preferred plan of the present invention, according to art technology general knowledge, also can adopt conventional bottom coating formula.
According to the coating method of above-mentioned non-sticky metallic coating, be coated on die casting aluminium base material and apply the non-sticky metallic coating that three coatings make three-decker, the performance of non-sticky metallic coating is in table 7.
The each coated coating formula of table 7 and the non-sticky metallic coating performance data obtained after applying
The formula of the floating coat paint that comparative example adopts is following (each component sum for 100%, fills a prescription 20 in massfraction):
The testing method of wear-resistant unsticky is as follows:
1. the 7447B scouring pad of the 3M brand of cutting 7 × 3cm;
2. scouring pad is placed in the coating of horizontal plane, the pressure of even applying 1.5 kilograms is on scouring pad, be moving back and forth of 10cm as stroke in scouring pad length vertical direction, one is a circulation back and forth, the scouring pad that every 250 recycling replacings are new;
3. every 1000 circulations are done without fry egg.Namely under 150 DEG C-180 DEG C degrees Celsius without fried egg, decoct altogether 3 eggs, as long as once egg can be scooped up, noresidue is then for passing through.
Pencil hardness, with reference to ASTM3363, adopts Chinese board pencil.
Above-described embodiment is one of the present invention preferably scheme, not does any pro forma restriction to the present invention, also has other variant and remodeling under the prerequisite not exceeding the technical scheme described in claim.
Claims (13)
1. one kind has the artificial granite paint of not viscosity; it is characterized in that: this coating is the multicolor finish of water-water; it comprises following component in solid content: protecting glue 0.1-3%, pigment 10-50%, organic bonding resin 30-60%, fluoropolymer resin 10-30%, and appropriate water, organic solvent, dispersing auxiliary and thickening material.
2. the artificial granite paint with not viscosity according to claim 1, it is characterized in that: organic bonding resin is selected from polyethersulfone resin, polyether-ether-ketone resin or the combination of the two, fluoropolymer resin is selected from the combination of one or more resins in tetrafluoroethylene (PTFE), tetrafluoroethylene-perfluorinated alkoxy vinyl ether copolymer (PFA), fluorinated ethylene propylene copolymer (FEP).
3. the artificial granite paint with not viscosity according to claim 2, is characterized in that: organic bonding resin is the combination of polyether-ether-ketone and polyethersulfone resin, and the mass ratio of polyether-ether-ketone and polyethersulfone resin is 1:4 to 2:3.
4. the artificial granite paint with not viscosity according to claim 1, is characterized in that: protecting glue is the neusilin salt brine solution of massfraction 1-15%.
5. there is a preparation method for the artificial granite paint of not viscosity, it is characterized in that the method comprises the steps:
A, two or more colored paint and the granulation of protecting glue blending dispersion, in protecting glue, form liquid look grain, obtain mixture A, the mass ratio of solid color enamel and protecting glue is 1:1 to 2:1;
B, the non-viscous paint that to add with organic bonding resin and fluoropolymer resin in mixture A be main component, obtain artificial granite paint after stirring.
6. preparation method according to claim 5, it is characterized in that: the preparation method of colored paint is: pigment and suitable quantity of water, organic solvent, dispersing auxiliary and thickening material B are mixed and made into mill base, add film forming matter resin formation colored paint in mill base, film forming matter resin is selected from organic bonding resin, both fluoropolymer resins one or a combination set of.
7. preparation method according to claim 6, is characterized in that: described film forming matter resin is polyether-ether-ketone resin.
8. preparation method according to claim 6, is characterized in that: described thickening material B is Natvosol, and the addition of Natvosol is the 0.2-0.8% of colored paint quality.
9. preparation method according to claim 5, it is characterized in that: the add-on of described non-viscous paint is the 30%-70% of artificial granite paint total mass, the component of non-viscous paint comprises in massfraction: PES 20-25%, PEEK 0-5%, FEP 0-15%, PTFE 0-15%, and appropriate organic solvent, dispersing auxiliary, thickening material and water.
10. a water-based fluororesin grouan non-sticky metallic coating, this non-sticky metallic coating comprises undercoat, floating coat and finishing coat, it is characterized in that: described floating coat is coated on undercoat by floating coat paint to be formed, floating coat paint adopts the artificial granite paint with not viscosity according to claim 1.
11. water-based fluororesin grouan non-sticky metallic coatings according to claim 10, it is characterized in that: the component of described bottom coating comprises in massfraction: polyethersulfone (PES) 5-15%, polyether-ether-ketone (PEEK) 0-10%, polyamide-imide (PAI) 0-5%, polytetrafluoroethylene (PTFE) 10-30%, fluorinated ethylene propylene copolymer (FEP) 2-6%, color stuffing 2-20%, auxiliary agent 0-10%, deionized water 50-70%.
12. water-based fluororesin grouan non-sticky metallic coatings according to claim 10, is characterized in that: the viscosity of described bottom coating is 1000cP ± 100 cP.
The coating method of 13. 1 kinds of water-based fluororesin grouan non-sticky metallic coatings as claimed in claim 10, it is characterized in that: spraying bottom coating coating on base material, before the non-surface drying of bottom coating film, at its surface spraying floating coat paint, after the point-like look grain in floating coat paint is evenly distributed on bottom coating surface, dry at the temperature of 100-400 DEG C, then spray-coating surface coating, dry, sintering, obtains non-sticky metallic coating product.
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