CN107858082A - A kind of metal powder coating and preparation method thereof - Google Patents
A kind of metal powder coating and preparation method thereof Download PDFInfo
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- CN107858082A CN107858082A CN201711134415.8A CN201711134415A CN107858082A CN 107858082 A CN107858082 A CN 107858082A CN 201711134415 A CN201711134415 A CN 201711134415A CN 107858082 A CN107858082 A CN 107858082A
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- powder
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- metal
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/03—Powdery paints
- C09D5/033—Powdery paints characterised by the additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0812—Aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention relates to a kind of metal powder coating and preparation method thereof, belongs to powder coating technology field.The coating is formed by bottom powder and aluminium powder bonding, and aluminium powder quality is the 1~3% of bottom silty amount, bottom powder formula：60~70 parts of end carboxyl saturated polyester resin, 4~5 parts of triglycidyl isocyanurate, 10~30 parts of filler, 0.6~1 part of levelling agent, 0.3~1 part of styrax, 0.3~0.8 part of optical brightener, 0.3~0.5 part of antioxidant, 0.1~5 part of common pigments.By the way that bottom meal component is mixed, melting extrusion, tabletting crush, mill screen gets powder on earth；It is put into bonding machines, adds aluminium powder, 200~300s of gel, bonding obtains the coating.The coating has appropriate component and content proportioning, and using the preparation method, bonding effect is good, and metal luminous effect is good, and chemical resistance of coating energy and physical and mechanical properties are excellent, and product quality is stable and workability is good.
Description
Technical field
The present invention relates to a kind of metal powder coating and preparation method thereof, and specifically, metal can be reached by being related to one kind
The metal powder coating of luminous effect, belong to powder coating technology field.
Background technology
Powdery paints is a kind of not solvent-laden 100% solid part powder type coating preparation.With it is solvent-free, pollution-free, can return
Receive, environmental protection, save the energy and resource, reduce labor intensity with coating machinery intensity it is high the features such as.Be widely used in household electrical appliances, automobile,
The fields such as ship, pipeline, architectural engineering, outdoor facilities and general industry product.Using when, powdery paints is former by Electrostatic Absorption
Reason, launches atomized powder by spray gun, is adsorbed to and is sprayed-on workpiece, subsequently into being completely solidified into hot setting case
Film, form uniform, careful, close face coat.
As decorative powder coatings kind, metal powder coating occupies certain market position, and its dosage is continuously increased,
Also more and more higher, incipient metal powder coating are substantially what is produced using extrusion by melting for product quality requirement, with
The production technology of traditional powder coating is similar, and metallic pigments are added in the raw material of various powdery paints, then pre- at a high speed to divide
Scattered, melting extrusion, tabletting is broken, be milled screening, finished product.The extrusion by melting simple process, metallic pigments and powder
Base-material reaches sufficiently mixing with cohering, but to be crushed because there is (130 DEG C) extrusions of high temperature, high shear in preparation process, makes
Partial oxidation, grain piece deformation or pulverized into metal pigment surfaces, cause appearance of film metal color gloomy or even without metal
Effect.
To adapt to and meeting requirement of the user to metal-effect powder paint product quality, powdery paints production has started to make
With specific metal powder bonding equipment.Powdery paints bonding (Bonding), is also hot adhesion technology, is exactly at a certain temperature
Metal pigment particle is bonded on powder coating particles, produces the coating with metal effect.With common dry-mixed product phase
Than the powder coating product good quality of, bonding techniques production, as powder particle state is more uniform, workability is stablized good
The problem of good, coating color and luster is homogeneous, steady quality between batch, and static gun is not in pigment accumulation when spraying and blocks muzzle,
Reclaiming powder can be with normal use etc., and can obtain more uniformly, the more preferable coating of metal luminous effect.
The content of the invention
In view of this, an object of the present invention is to provide a kind of metal powder coating, and the powdery paints can obtain
Uniformly, the coating of metal luminous effect；The second object of the present invention is to provide a kind of preparation method of metal powder coating.
To realize the purpose of the present invention, there is provided following technical scheme.
A kind of metal powder coating, the powdery paints are formed by bottom powder and aluminium powder bonding, and the quality of the aluminium powder is bottom
The 1%~3% of silty amount, by weight, the formula constituent and its content of bottom powder are as follows：
Above-mentioned raw material is the material of public offering in the market, and numerous raw materials are also all that powdery paints industry is common
Kind and specification.As aluminium powder can be in aluminium powder PCR-100, the aluminium powder PCR-212 and aluminium powder PCR-214 of German Eckart companies
More than one, end carboxyl saturated polyester resin can be the TL-3A systems polyester resin of Tian Long groups (Hong Kong) Co., Ltd, Supreme Being Si
DSM-P5900 polyester resin of graceful (China) Co., Ltd etc., curing agent are triglycidyl isocyanurate (TGIC), can be
The TGIC of Changzhou Niutang Chemical Industry Co., Ltd., the TGIC of Huangshan Huahui Technology Co., Ltd. or the Shandong color new material of dragon are limited
LC-TGIC of company etc., levelling agent can be that levelling agent LC-88, the Ningbo South Sea chemistry of Shandong Long Cai new materials Co., Ltd have
The levelling agent GLP588 of limit company or the levelling agent PV88 of Guangzhou Tian Long high polymer materials Science and Technology Ltd. etc., optical brightener can be
Optical brightener 701 of Ningbo South-sea Chemical Co., Ltd. etc., styrax can be the styrax LC- of Shandong Long Cai new materials Co., Ltd
BENZOIN, the styrax etc. of Liuan Jietongda Chemical Co., Ltd., filler is also for example various barium sulfate of conventional variety,
Calcium carbonate, titanium dioxide etc., antioxidant is polynary hindered phenol type antioxidant or metal dithiocarbamate class etc., such as BASF
The antioxidant 1010 of (China) Co., Ltd, the antioxidant B900 of Liuan Jietongda Chemical Co., Ltd., convention pigment
Can be organic or inorganic pigment such as phthalocyanine color, C.I pigment yellows 31, the C.I pigment red 4s 8 that powdery paints is commonly used:1 etc..
A kind of preparation method of metal powder coating of the present invention, methods described step are as follows：
(1) making of bottom powder：Bottom powder constituent is mixed, through melting extrusion, tabletting crush, mill screen is got
Bottom powder of the average particle size range at 45 μm~55 μm；
(2) bottom powder is taken in bonding machines, adds aluminium powder, and gel time is 200s~300s, and bonding is completed, and obtains the present invention
A kind of described metal powder coating.
Beneficial effect
The present invention relates to a kind of metal powder coating and preparation method thereof, the metal powder coating has appropriate component
And content proportioning, using preparation method of the present invention, bonding effect is fine, so as to reach the luminous effect of metal, and
Chemical resistance of coating energy is improved, coating physical and mechanical properties is excellent, and product quality is stable and workability is good.
Embodiment
The coating being prepared in following examples is tested as follows：
(1) coating layer thickness
Thought to create SaluTron coating thickness detectors D3 measure by Germany, according to GB-T 1764-1979 paint film thickness tests；
(2) coating gloss
The three angle gloss measurement instrument BYK4446 produced with German BYK companies, according to GB/T9754-1988 colored paints and clearly
The measure of first 20 °, the 60 ° and 85 ° bright lusters of the paint _ colored paint without metallic pigments _ paint film；
(3) artificial accelerated aging test
The Q-UV artificially roughening instrument produced by ATLAS companies of the U.S., according to GB/T1865-1997 colored paints and clearly
Paint artificial weathering aging and man-made radiation exposes measure.
Embodiment 1
It is according to parts by weight, 66 parts of the DSM-P5900 polyester resin of DSM (China) Co., Ltd, Shandong dragon is color new
5 parts of the LC-TGIC of Materials Co., Ltd, 24 parts of barium sulfate, the levelling agent LC-88 0.8 of Shandong Long Cai new materials Co., Ltd
Part, 0.3 part of the styrax LC-BENZOIN of Shandong Long Cai new materials Co., Ltd, Ningbo South-sea Chemical Co., Ltd. adds lustre to
701 0.3 parts of agent, 0.4 part of the antioxidant 1010 of BASF China, the pigment of Sichuan Long Mang Group Co., Ltd
1.2 parts of titanium dioxide R966,101 0.0001 parts of C.I paratoneres, 151 is yellow 0.2 part, 3 0.6 parts of C.I pigment red 4s, imports upset
Mixed in formula automatic mixing machine, incorporation time 10min；By the material double screw extruder mixed at 130 DEG C
At a temperature of extrude；It is that the powder particle that average grain diameter is 50 μm obtains on earth that extruded stock, which is cooled to and crushed after room temperature crushes with pulverizer,
Powder；Bottom powder is taken in bonding machines, adds the aluminium powder PCR-212 of the German Eckart companies of bottom powder weight 2%, gel time is
200s, bonding, obtain a kind of metal powder coating of the present invention.
Obtained metal powder coating is sprayed on the thick tinplates of 0.3mm through electrostatic gun, through 200 DEG C, 15min
After solidification, room temperature is naturally cooled to, after placing 24h, to the properties of the metal powder coating coating formed on tinplate
Tested, it is as a result as follows：Coating layer thickness is 70 μm, coating gloss (60 °) >=85%, artificial weathering ageing resistance >=
800h。
Embodiment 2
According to parts by weight, by 60 parts of the TL-3A systems polyester resin of Tian Long groups (Hong Kong) Co., Ltd, the Changzhou ox pool
4 parts of the TGIC of chemical industry Co., Ltd., Factory, 30 parts of barium sulfate, 0.6 part of the levelling agent GLP588 of Ningbo South-sea Chemical Co., Ltd.,
0.3 part of the styrax of Liuan Jietongda Chemical Co., Ltd., the optical brightener 701 0.3 of Ningbo South-sea Chemical Co., Ltd.
Part, 0.4 part of the antioxidant B900 of Liuan Jietongda Chemical Co., Ltd., the pigment of Sichuan Long Mang Group Co., Ltd
0.0005 part of 4 parts of titanium dioxide R966, carbon black MA100, C.I pigment red 4s 8:2 0.02 parts, 31 0.3795 parts of C.I pigment yellows,
Import in convertible automatic mixing machine and mixed, incorporation time 10min；The material double screw extruder mixed is existed
Extruded at a temperature of 130 DEG C；It is the powder that average grain diameter is 50 μm that extruded stock, which is cooled to after room temperature crushes with pulverizer crushing,
Grain obtains powder on earth；Bottom powder is taken in bonding machines, the aluminium powder PCR-212 and aluminium powder of the German Eckart companies of addition bottom powder weight 2%
PCR-214, wherein, the mass ratio of the aluminium powder PCR-212 and aluminium powder PCR-214 are 1:1, gel time 300s, bonding, obtain
To a kind of metal powder coating of the present invention.
Obtained metal powder coating is sprayed on the thick tinplates of 10.3mm through electrostatic gun, through 200 DEG C,
After 15min solidifications, room temperature is naturally cooled to, after placing 24h, to the items of the metal powder coating coating formed on tinplate
Performance is tested, as a result as follows：80 μm of coating layer thickness, coating gloss (60 °) >=80%, artificial weathering ageing resistance >=
800h。
Claims (5)
- A kind of 1. metal powder coating, it is characterised in that：The powdery paints is formed by bottom powder and aluminium powder bonding, the aluminium powder Quality is the 1%~3% of bottom silty amount, and by weight, the formula constituent and its content of bottom powder are as follows：
- A kind of 2. metal powder coating according to claim 1, it is characterised in that：Aluminium powder is the aluminium of German Eckart companies One or more of powder PCR-100, aluminium powder PCR-212 and aluminium powder PCR-214；End carboxyl saturated polyester resin is the TL-3A systems polyester resin or DSM (China) of Tian Long groups (Hong Kong) Co., Ltd The DSM-P5900 polyester resin of Co., Ltd；Triglycidyl isocyanurate is the TGIC of Changzhou Niutang Chemical Industry Co., Ltd., Huangshan Huahui Technology Co., Ltd. TGIC or Shandong Long Cai new materials Co., Ltd LC-TGIC；Levelling agent is levelling agent LC-88, the levelling agent of Ningbo South-sea Chemical Co., Ltd. of Shandong Long Cai new materials Co., Ltd The GLP588 or levelling agent PV88 of Guangzhou Tian Long high polymer materials Science and Technology Ltd.；Optical brightener is the optical brightener 701 of Ningbo South-sea Chemical Co., Ltd.；Styrax is the styrax LC-BENZOIN or the prompt sensible limited duty of chemical industry of Lu'an City of Shandong Long Cai new materials Co., Ltd The styrax of Ren companies；Filler is one or more of barium sulfate, calcium carbonate and titanium dioxide；Antioxidant is polynary hindered phenol type antioxidant or metal dithiocarbamate.
- A kind of 3. metal powder coating according to claim 1, it is characterised in that：Antioxidant is that BASF (China) is limited The antioxidant 1010 of company or the antioxidant B900 of Liuan Jietongda Chemical Co., Ltd..
- A kind of 4. metal powder coating according to claim 2, it is characterised in that：Antioxidant is that BASF (China) is limited The antioxidant 1010 of company or the antioxidant B900 of Liuan Jietongda Chemical Co., Ltd..
- It is 5. a kind of such as the preparation method of metal powder coating according to any one of claims 1 to 4, it is characterised in that：It is described Method and step is as follows：(1) bottom powder constituent is mixed, through melting extrusion, tabletting crush, mill screen is got average particle size range and existed 45 μm~55 μm of bottom powder；(2) bottom powder is taken in bonding machines, adds aluminium powder, and gel time is 200s~300s, bonding, obtains a kind of described metal Powdery paints.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711134415.8A CN107858082A (en) | 2017-11-16 | 2017-11-16 | A kind of metal powder coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711134415.8A CN107858082A (en) | 2017-11-16 | 2017-11-16 | A kind of metal powder coating and preparation method thereof |
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| Publication Number | Publication Date |
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| CN107858082A true CN107858082A (en) | 2018-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711134415.8A Pending CN107858082A (en) | 2017-11-16 | 2017-11-16 | A kind of metal powder coating and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111560209A (en) * | 2020-05-22 | 2020-08-21 | 四川桑瑞斯高分子材料有限公司 | Powder coating with skin feeling and visual angle color changing function and preparation method thereof |
| CN111574913B (en) * | 2020-05-14 | 2021-07-06 | 武汉理工大学 | Metal powder coating and preparation method thereof |
| CN114163904A (en) * | 2021-12-13 | 2022-03-11 | 安徽江淮汽车集团股份有限公司 | Preparation method and coating process of light truck compartment scintillation powder free of light shading |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102775887A (en) * | 2012-08-23 | 2012-11-14 | 广东华江粉末科技有限公司 | Weather-resistant metal type powder coating for aluminum profiles and preparation method thereof |
| CN103820010A (en) * | 2014-03-07 | 2014-05-28 | 广东华江粉末科技有限公司 | Glittering three-dimensional wood grain powder coating for aluminium profiles as well as preparation method and spraying technology of powder coating |
| CN106147549A (en) * | 2016-07-05 | 2016-11-23 | 台山广安霖化工有限公司 | Metal powder coating and the production method of bonding thereof |
-
2017
- 2017-11-16 CN CN201711134415.8A patent/CN107858082A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102775887A (en) * | 2012-08-23 | 2012-11-14 | 广东华江粉末科技有限公司 | Weather-resistant metal type powder coating for aluminum profiles and preparation method thereof |
| CN103820010A (en) * | 2014-03-07 | 2014-05-28 | 广东华江粉末科技有限公司 | Glittering three-dimensional wood grain powder coating for aluminium profiles as well as preparation method and spraying technology of powder coating |
| CN106147549A (en) * | 2016-07-05 | 2016-11-23 | 台山广安霖化工有限公司 | Metal powder coating and the production method of bonding thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111574913B (en) * | 2020-05-14 | 2021-07-06 | 武汉理工大学 | Metal powder coating and preparation method thereof |
| CN111560209A (en) * | 2020-05-22 | 2020-08-21 | 四川桑瑞斯高分子材料有限公司 | Powder coating with skin feeling and visual angle color changing function and preparation method thereof |
| CN114163904A (en) * | 2021-12-13 | 2022-03-11 | 安徽江淮汽车集团股份有限公司 | Preparation method and coating process of light truck compartment scintillation powder free of light shading |
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Application publication date: 20180330 |
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