CN103160202A - Moire type powder coating and preparation method thereof - Google Patents
Moire type powder coating and preparation method thereof Download PDFInfo
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- CN103160202A CN103160202A CN2013100564739A CN201310056473A CN103160202A CN 103160202 A CN103160202 A CN 103160202A CN 2013100564739 A CN2013100564739 A CN 2013100564739A CN 201310056473 A CN201310056473 A CN 201310056473A CN 103160202 A CN103160202 A CN 103160202A
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Abstract
The invention discloses moire type powder coating and a preparation method thereof. The moire type powder coating is prepared by raw materials, and the raw materials comprise, by weight, 550-650 parts of polyester resin (Crylcoat 820), 25-35 parts of TMMGU (Powderlink1174), 20-25 parts of enclosed type isocyanate (TS280), 5-10 parts of enclosed amine sulfonic acid catalytic agents (WL-I), 5-10 parts of flatting agents (RB988), 4-6 parts of moire agents (SPA-100), 100-150 parts of superfine barium sulfate, 50-80 parts of standard spherical silica powder, 3-5 parts of benzoin, 5-8 parts of modified polypropylene wax powder, 5-10 parts of organic coated titanium dioxide, 15-20 parts of iron oxide yellow, 5-10 parts of iron oxide red, and 5-10 parts of carbon black. The powder coating has the advantages of high hardness, high strength, high abrasion resistance, good heat resistance, good ageing resistance, fast curing time, environmental protection, non-pollution, and the like; and a paint film after curing produces a texture effect with moire, the moire is fine, distinct, and uniform in distribution, and gives vision comfortable sensation to people, and combination properties of the paint film are excellent.
Description
Technical field
The present invention relates to a kind of powder coating, be specifically related to a kind of moire type powder coating and preparation method thereof.
Background technology
Powder coating is as a kind of environment-friendly type coating, have solvent-free, lowly pollute, coating process is simple, the coating efficiency advantages of higher.The powder coating solidification rear surface of generally using at present is smooth, stiff, feel is poor, lack stereoscopic sensation.Along with developing rapidly of powder coating industry, people are to oneself decoration through no longer being satisfied with dull gloss or colour-change such as the various household electrical appliances that will apply, equipment, art-type powder coatings is owing to making film coated surface have decorative pattern clearly attractive in appearance, give the device that is coated with attractive in appearance, colorful outward appearance, the lip-deep defective of coated article is covered up by its texture effect, improve film ornamental, obtain the unapproachable decorative effect of common decoration powder coating, therefore obtained in recent years very large development.Wherein moire type powder coating is with outstanding outward appearance visual sense, outstanding concavo-convex sense of touch, the physical and mechanical properties of excellence and the favor that good covering effect constantly obtains people.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, and a kind of moire type powder coating and preparation method thereof is provided, and improves people's visual impression.
The technical solution used in the present invention is as follows:
A kind of moire type powder coating, it is to be made by the raw material of following weight part:
Vibrin (Crylcoat 820) 550-650
TMMGU（Powderlink 1174） 25-35
Masked isocyanate (TS280) 20-25
Sealing amine sulfonic acid catalyst (WL-I) 5-10
Flow agent (RB988) 5-10
Moire agent (SPA-100) 4-6
Ultra-fine barium sulfate 100-150
Accurate ball-type silicon powder 50-80
St-yrax 3-5
Modified polypropylene waxes micro mist 5-8
Organic coated titanium dioxide 5-10
Iron oxide yellow 15-20
Iron oxide red 5-10
Carbon black 5-10.
Preferably, a kind of moire type powder coating, it is to be made by the raw material of following weight part:
Vibrin (Crylcoat 820) 600
TMMGU（Powderlink 1174） 30
Masked isocyanate (TS280) 22
Sealing amine sulfonic acid catalyst (WL-I) 8
Flow agent (RB988) 10
Moire agent (SPA-100) 5
Ultra-fine barium sulfate 120
Accurate ball-type silicon powder 80
St-yrax 4
Modified polypropylene waxes micro mist 6
Organic coated titanium dioxide 10
Iron oxide yellow 20
Iron oxide red 10
Carbon black 10.
The granularity of described accurate ball-type silicon powder is the 400-600 order.
described modified polypropylene waxes micro mist is made by following methods: (1) with ptfe micropowder, talcum powder and trees ashes in mass ratio 3-5:1-2:0.5-1 add and mix 20-30min in high-speed mixer, add again the sodium laurylsulfate of 1-2%, the tripoly phosphate sodium STPP of 2-3% and the silane coupling agent KH570 of 0.5-1%, stir 15-20min with the 2000-3000rpm rotating speed in 80-90 ℃ of water-bath, get mixture, standby, (2) Poly Propylene Wax is heated to 90-110 ℃, when it is melted into fused solution fully, the mixture that adds the step (1) of 5-10% to make, after 4000-5000rpm high speed shear 10-15min, the nozzle by spray tower simultaneously with fused solution and 160-180 ℃ of hot compressed air, spray under 0.8-1.2MPa pressure in 0-2 ℃ of frozen drying tower, the drop of nozzle ejection is solidified rapidly, fall to entering cyclonic separator, the median size of collecting is that the coarse grain of 10-15 μ m enters cyclonic separator after by micronizer mill, namely getting particle diameter is the modified polypropylene waxes micro mist of 2-3 μ m.
Described ptfe micropowder particle diameter is 2-4 μ m; Described talcum powder particle diameter is 25-35nm.
described organic coated titanium dioxide is made by following methods: add 100-150 part water in the reactor with high speed agitator, 5-8 part Natvosol, 4-6 part neopentyl glycol, 3-5 part sodium lignosulfonate, 2-3 part sodium stearate, stir 5-8min at 2000-3000rpm, it is mixed, add again 100-120 part through the titanium dioxide making beating 20-30min of Raymond mill, stop stirring, the titanium dioxide slurry is reached in 0.3 μ m through sand mill defibrination to particle diameter, then the titanium dioxide slurry is toasted 5-8h under 100-110 ℃, pulverizing the porphyrize powdered after oven dry gets final product.
The preparation method of moire type powder coating comprises the following steps:
(1) take quantitative resin by formulation ratio and except the moire agent remaining raw material disperse 5-10min in the grinding dispersion machine, lumpy material is crushed to granularity less than 5mm, and each component is fully mixed;
(2) material that mixes is sent into screw extrusion press through feeder and melt extrude, the extruder barrel temperature is 95-110 ℃, and the extruder screw temperature is 70-80 ℃, and the forcing machine rotating speed is 80-90rpm;
(3) material of extruding is pressed into thin slice through the compressing tablet cooler, and carry out cooling, then cooled chip material is broken into less sheet material, again this small thin slices is delivered to that to carry out fine powder in air classifying mill broken, finally by cyclonic separator screening, must sieve thing after removing ultra-fine thing, foreign material, meal;
(4) will sieve thing and the moire agent evenly is dry mixed, and cross the 300-400 mesh sieve and namely make finished product.
The condition of cure of described powder coating is: workpiece surface temperature 180-200 ℃, and baking 10-15min.
Beneficial effect of the present invention:
The present invention is by the optimization of formulation for coating material, the cooperatively interacting of different auxiliary agents, and the performance such as thermostability, the damage resistant that has improved moire type powder coating is anti-aging, weathering resistance has been improved the over-all properties of moire type powder coating.Also added in addition accurate ball-type silicon powder with Substitute For Partial barium sulfate, can effectively improve wettability and the affinity of filler in organism, dispersiveness and the mobility of mixture systems have been improved, the density and hardness that has increased material increases, the strong physical strength of cured article, Young's modulus, ageing-resistant performance, weather resistance, resistance toheat etc.The present invention can improve coating wear resistance, resistance to marring by Poly Propylene Wax is carried out modification, improves the coating surface sophistication, makes more smooth, the texture of filming.The advantages such as the powder coating that the present invention prepares has high rigidity, high strength, high abrasion, good heat resistance, ageing resistance is good, set time is fast, environment friendly and pollution-free; Filming after curing produces the grain effect with moire, and moire is careful clear, is evenly distributed, and gives the euphorosia sense, and film performance is excellent, and the performance index of the organic solvent each side such as acid and alkali-resistance, salt spray resistance, anti-gasoline are all very high.
Embodiment
A kind of moire type powder coating, it is to be made by the raw material of following weight part:
600 parts, vibrin (Crylcoat 820)
TMMGU(Powderlink 1174) 30 parts
22 parts of masked isocyanates (TS280)
Sealing amine sulfonic acid catalyst (WL-I) 8 parts
10 parts of flow agents (RB988)
5 parts of moire agent (SPA-100)
120 parts of ultra-fine barium sulfates
80 parts of accurate ball-type silicon powders
4 parts of st-yraxes
6 parts of modified polypropylene waxes micro mists
10 parts of organic coated titanium dioxides
20 parts of iron oxide yellows
10 parts of iron oxide reds
10 parts of carbon blacks.
Wherein, the granularity of described accurate ball-type silicon powder is 500 orders.
Described modified polypropylene waxes micro mist is made by following methods: (1) with ptfe micropowder, talcum powder and trees ashes in mass ratio 3:1.5:0.5 add and mix 20min in high-speed mixer, add again 1.5% sodium laurylsulfate, 2.5% tripoly phosphate sodium STPP and 0.8% silane coupling agent KH570, stir 20min with the 2500rpm rotating speed in 85 ℃ of water-baths, get mixture, standby; (2) Poly Propylene Wax is heated to 105 ℃, when it is melted into fused solution fully, the mixture that adds 8% step (1) to make, after 5000rpm high speed shear 10min, the nozzle by spray tower simultaneously with fused solution and 165 ℃ of hot compressed airs, spray under 0.9MPa pressure in 0 ℃ of frozen drying tower, the drop of nozzle ejection is solidified rapidly, fall to entering cyclonic separator, the median size of collecting is that the coarse grain of 15 μ m enters cyclonic separator after by micronizer mill, and namely getting particle diameter is the modified polypropylene waxes micro mist of 3 μ m.
Described ptfe micropowder particle diameter is 2 μ m; Described talcum powder particle diameter is 30nm.
Described organic coated titanium dioxide is made by following methods: add 150 parts of water, 8 parts of Natvosols, 6 parts of neopentyl glycol, 5 parts of sodium lignosulfonates, 3 parts of sodium stearate in the reactor with high speed agitator, stir 6min at 3000rpm, it is mixed, add again 120 parts through the titanium dioxide making beating 30min of Raymond mill, stop stirring, the titanium dioxide slurry is reached in 0.3 μ m through sand mill defibrination to particle diameter, then the titanium dioxide slurry is toasted 6h under 110 ℃, pulverize the porphyrize powdered after oven dry and get final product.
The preparation method of moire type powder coating comprises the following steps:
(1) take quantitative resin by formulation ratio and except the moire agent remaining raw material disperse 8min in the grinding dispersion machine, lumpy material is crushed to granularity less than 5mm, and each component is fully mixed;
(2) material that mixes is sent into screw extrusion press through feeder and melt extrude, the extruder barrel temperature is 105 ℃, and the extruder screw temperature is 75 ℃, and the forcing machine rotating speed is 80rpm;
(3) material of extruding is pressed into thin slice through the compressing tablet cooler, and carry out cooling, then cooled chip material is broken into less sheet material, again this small thin slices is delivered to that to carry out fine powder in air classifying mill broken, finally by cyclonic separator screening, must sieve thing after removing ultra-fine thing, foreign material, meal;
(4) will sieve thing and the moire agent evenly is dry mixed, and cross 400 mesh sieves and namely make finished product.
Adopt the electrostatic spraying constructional method to be sprayed on the substrate of steel plate of sandblast pre-treatment this powder coating, average coating thickness is 50-70 μ m, then uses electric heating constant temperature at 190 ℃ of lower baking-curing 12min, naturally cools to room temperature, after placing 24h, measure film performance.Its film performance is as follows: moire is careful clear, be evenly distributed, and sticking power≤1 grade, anti-impact strength 〉=50Kgcm, anti-bending≤3mm, pencil hardness 〉=2H.
Claims (8)
1. a moire type powder coating, is characterized in that, it is to be made by the raw material of following weight part:
Vibrin (Crylcoat 820) 550-650
TMMGU（Powderlink 1174） 25-35
Masked isocyanate (TS280) 20-25
Sealing amine sulfonic acid catalyst (WL-I) 5-10
Flow agent (RB988) 5-10
Moire agent (SPA-100) 4-6
Ultra-fine barium sulfate 100-150
Accurate ball-type silicon powder 50-80
St-yrax 3-5
Modified polypropylene waxes micro mist 5-8
Organic coated titanium dioxide 5-10
Iron oxide yellow 15-20
Iron oxide red 5-10
Carbon black 5-10.
2. moire type powder coating according to claim 1, is characterized in that, it is to be made by the raw material of following weight part:
Vibrin (Crylcoat 820) 600
TMMGU（Powderlink 1174） 30
Masked isocyanate (TS280) 22
Sealing amine sulfonic acid catalyst (WL-I) 8
Flow agent (RB988) 10
Moire agent (SPA-100) 5
Ultra-fine barium sulfate 120
Accurate ball-type silicon powder 80
St-yrax 4
Modified polypropylene waxes micro mist 6
Organic coated titanium dioxide 10
Iron oxide yellow 20
Iron oxide red 10
Carbon black 10.
3. moire type powder coating according to claim 1 and 2, is characterized in that, the granularity of described accurate ball-type silicon powder is the 400-600 order.
4. moire type powder coating according to claim 1 and 2, it is characterized in that, described modified polypropylene waxes micro mist is made by following methods: (1) with ptfe micropowder, talcum powder and trees ashes in mass ratio 3-5:1-2:0.5-1 add and mix 20-30min in high-speed mixer, add again the sodium laurylsulfate of 1-2%, the tripoly phosphate sodium STPP of 2-3% and the silane coupling agent KH570 of 0.5-1%, stir 15-20min with the 2000-3000rpm rotating speed in 80-90 ℃ of water-bath, get mixture, standby, (2) Poly Propylene Wax is heated to 90-110 ℃, when it is melted into fused solution fully, the mixture that adds the step (1) of 5-10% to make, after 4000-5000rpm high speed shear 10-15min, the nozzle by spray tower simultaneously with fused solution and 160-180 ℃ of hot compressed air, spray under 0.8-1.2MPa pressure in 0-2 ℃ of frozen drying tower, the drop of nozzle ejection is solidified rapidly, fall to entering cyclonic separator, the median size of collecting is that the coarse grain of 10-15 μ m enters cyclonic separator after by micronizer mill, namely getting particle diameter is the modified polypropylene waxes micro mist of 2-3 μ m.
5. moire type powder coating according to claim 1 and 2, is characterized in that, described ptfe micropowder particle diameter is 2-4 μ m; Described talcum powder particle diameter is 25-35nm.
6. moire type powder coating according to claim 1 and 2, it is characterized in that, described organic coated titanium dioxide is made by following methods: add 100-150 part water in the reactor with high speed agitator, 5-8 part Natvosol, 4-6 part neopentyl glycol, 3-5 part sodium lignosulfonate, 2-3 part sodium stearate, stir 5-8min at 2000-3000rpm, it is mixed, add again 100-120 part through the titanium dioxide making beating 20-30min of Raymond mill, stop stirring, the titanium dioxide slurry is reached in 0.3 μ m through sand mill defibrination to particle diameter, then the titanium dioxide slurry is toasted 5-8h under 100-110 ℃, pulverizing the porphyrize powdered after oven dry gets final product.
7. the preparation method of a moire type powder coating as claimed in claim 1 or 2 is characterized in that comprising the following steps:
(1) take quantitative resin by formulation ratio and except the moire agent remaining raw material disperse 5-10min in the grinding dispersion machine, lumpy material is crushed to granularity less than 5mm, and each component is fully mixed;
(2) material that mixes is sent into screw extrusion press through feeder and melt extrude, the extruder barrel temperature is 95-110 ℃, and the extruder screw temperature is 70-80 ℃, and the forcing machine rotating speed is 80-90rpm;
(3) material of extruding is pressed into thin slice through the compressing tablet cooler, and carry out cooling, then cooled chip material is broken into less sheet material, again this small thin slices is delivered to that to carry out fine powder in air classifying mill broken, finally by cyclonic separator screening, must sieve thing after removing ultra-fine thing, foreign material, meal;
(4) will sieve thing and the moire agent evenly is dry mixed, and cross the 300-400 mesh sieve and namely make finished product.
8. the preparation method of moire type powder coating according to claim 7, is characterized in that, the condition of cure of described powder coating is: workpiece surface temperature 180-200 ℃, and baking 10-15min.
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| CN2013100564739A CN103160202A (en) | 2013-02-22 | 2013-02-22 | Moire type powder coating and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103937397A (en) * | 2014-05-05 | 2014-07-23 | 福建万安实业有限公司 | Dermatoglyph powder coating |
| CN104893512A (en) * | 2015-01-28 | 2015-09-09 | 山东涂亿粉末科技有限公司 | Powder coating with handtouch gold-glowing effect |
| CN106519928A (en) * | 2016-11-29 | 2017-03-22 | 安徽神剑新材料股份有限公司 | Repairable powdery coating, and preparation method and application thereof |
| CN106978057A (en) * | 2017-04-26 | 2017-07-25 | 安徽联硕实业有限公司 | A kind of polyurethane powder coating and preparation method thereof |
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|---|---|---|---|---|
| JPH10168347A (en) * | 1996-12-11 | 1998-06-23 | Kubota Corp | Application of powder coating to inner face of cast iron tube |
| CN101792637A (en) * | 2010-04-21 | 2010-08-04 | 安徽华辉塑业科技有限公司 | Casting-dedicated textured thermosetting powder coating |
| CN102153900A (en) * | 2011-05-27 | 2011-08-17 | 常州市飞扬粉末涂料有限公司 | Moire effect metal art powder coating and preparation method thereof |
-
2013
- 2013-02-22 CN CN2013100564739A patent/CN103160202A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10168347A (en) * | 1996-12-11 | 1998-06-23 | Kubota Corp | Application of powder coating to inner face of cast iron tube |
| CN101792637A (en) * | 2010-04-21 | 2010-08-04 | 安徽华辉塑业科技有限公司 | Casting-dedicated textured thermosetting powder coating |
| CN102153900A (en) * | 2011-05-27 | 2011-08-17 | 常州市飞扬粉末涂料有限公司 | Moire effect metal art powder coating and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103937397A (en) * | 2014-05-05 | 2014-07-23 | 福建万安实业有限公司 | Dermatoglyph powder coating |
| CN103937397B (en) * | 2014-05-05 | 2016-02-17 | 福建万安实业有限公司 | A kind of dermatoglyph powder coating |
| CN104893512A (en) * | 2015-01-28 | 2015-09-09 | 山东涂亿粉末科技有限公司 | Powder coating with handtouch gold-glowing effect |
| CN106519928A (en) * | 2016-11-29 | 2017-03-22 | 安徽神剑新材料股份有限公司 | Repairable powdery coating, and preparation method and application thereof |
| CN106978057A (en) * | 2017-04-26 | 2017-07-25 | 安徽联硕实业有限公司 | A kind of polyurethane powder coating and preparation method thereof |
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Application publication date: 20130619 |