CN112778882A - Antistatic polyester powder coating and preparation method thereof - Google Patents
Antistatic polyester powder coating and preparation method thereof Download PDFInfo
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- CN112778882A CN112778882A CN202011568452.1A CN202011568452A CN112778882A CN 112778882 A CN112778882 A CN 112778882A CN 202011568452 A CN202011568452 A CN 202011568452A CN 112778882 A CN112778882 A CN 112778882A
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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
- 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
- C09D5/24—Electrically-conducting paints
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/04—Antistatic
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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 invention provides an antistatic polyester powder coating which comprises the following components in parts by mass: 50-80 parts of polyester resin, 10-20 parts of conductive filler, 0.2-0.6 part of conductive carbon black, 8-12 parts of auxiliary agent, 2-4 parts of pigment and 15-30 parts of inorganic filler. According to the antistatic polyester powder coating provided by the invention, the conductive filler and the conductive carbon black are added on the basis of mixing the polyester resin, the auxiliary agent, the pigment and the filler, and the reasonable proportion of other components is matched, so that the prepared polyester powder coating has excellent conductivity, static electricity can be prevented from being generated on the surface of a coating film, and the polyester powder coating also has high leveling property, excellent toughness, strong bonding force and high weather resistance, so that the antistatic polyester powder coating can be widely applied in the field of powder coatings.
Description
Technical Field
The invention relates to the technical field of powder coatings, in particular to an antistatic polyester powder coating and a preparation method thereof.
Background
The powder coating is a solid powdery synthetic resin coating composed of solid resin, filler, auxiliary agent and the like, and has the characteristics of no solvent volatilization pollution, simple operation and low energy consumption, so that the powder coating is widely applied. The main components of the powder coating comprise thermosetting powder coating, epoxy powder coating, polyester powder coating, thermoplastic powder coating and the like, wherein the polyester powder coating makes great progress through development for many years, market share and application field are continuously expanded, and the powder coating is widely applied to the fields of refrigerators, washing machines, dust collectors, instrument shells, bicycles, furniture and the like due to excellent weather resistance and long service life.
The polyester powder coating in the prior art has no conductivity, so that the surface resistance of a coating film is high, the coating film is easy to carry static electricity, and the generated static electricity is difficult to leak for a while, so that static electricity is accumulated. Based on the characteristics, the use of polyester powder coating in many occasions is easy to cause fire, explosion and other hazards, thereby limiting the application field of the polyester powder coating.
Disclosure of Invention
The invention provides an antistatic polyester powder coating and a preparation method thereof, aiming at solving the problems in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides an antistatic polyester powder coating, which comprises the following components in parts by mass: 50-80 parts of polyester resin, 10-20 parts of conductive filler, 0.2-0.6 part of conductive carbon black, 8-12 parts of auxiliary agent, 2-4 parts of pigment and 15-30 parts of inorganic filler.
Further, the polyester resin is selected from one or more of SJ4B, SJ5100, SJ5122 and SJ5701 of New Material Ltd of Anhui Shen Jian.
Further, the conductive filler is selected from one or more of aluminum powder, zinc oxide and titanium dioxide.
Further, the conductive carbon black has a resistivity of less than 0.5 Ω m and a particle size of 500 to 2000 mesh.
Further, the auxiliary agent comprises a curing agent, a leveling agent, a brightening agent, benzoin and an antistatic agent.
Further, the curing agent is TGIC;
the leveling agent is selected from one or more of GLP588, Flow300 and Glige 411;
the antistatic agent is selected from one or more of HOT 701, TL 88 and SAS 93.
Further, the pigment is selected from one or more of titanium dioxide, HG180, HL70 and HR 02.
Further, the inorganic filler is selected from BaSO4And CaCO3One or more of them.
In a second aspect of the present invention, there is provided a method for preparing the powder coating, comprising the steps of:
weighing the components in parts by weight, and uniformly mixing the components to obtain a raw material;
adding the raw materials into a double-screw extruder, and performing extrusion processing to obtain a material;
and step three, adding the materials into a pulverizer to prepare the powder coating.
Further, the extrusion processing temperature is 90-110 ℃, the rotating speed of a main machine is 390-410 rpm, and the feeding rotating speed is 21-28 rpm.
By adopting the technical scheme, compared with the prior art, the invention has the following technical effects:
according to the antistatic polyester powder coating provided by the invention, the conductive filler and the conductive carbon black are added on the basis of mixing the polyester resin, the auxiliary agent, the pigment and the filler, and the reasonable proportion of other components is matched, so that the prepared polyester powder coating has excellent conductivity, static electricity can be prevented from being generated on the surface of a coating film, and the polyester powder coating also has high leveling property, excellent toughness, strong bonding force and high weather resistance, so that the antistatic polyester powder coating can be widely applied in the field of powder coatings.
Detailed Description
The invention provides an antistatic polyester powder coating which comprises the following components in parts by mass:
50-80 parts of polyester resin, 10-20 parts of conductive filler, 0.2-0.6 part of conductive carbon black, 8-12 parts of auxiliary agent, 2-4 parts of pigment and 15-30 parts of inorganic filler.
In a preferred embodiment of the present invention, the polyester resin is selected from one or more of SJ4B, SJ5100, SJ5122 and SJ5701, all of new materials of anxie sword ltd.
In a preferred embodiment of the present invention, the conductive filler is selected from one or more of aluminum powder, zinc oxide and titanium dioxide.
In a preferred embodiment of the present invention, the conductive carbon black has a resistivity of <0.5 Ω · m and a particle size of 500 to 2000 mesh.
In a preferred embodiment of the present invention, the auxiliaries include a curing agent, a leveling agent, a brightening agent, benzoin and an antistatic agent.
In a preferred embodiment of the invention, the curing agent is TGIC;
the leveling agent is selected from one or more of GLP588, Flow300 and Glige 411;
the antistatic agent is selected from one or more of HOT 701, TL 88 and SAS 93.
In a preferred embodiment of the present invention, the pigment is selected from one or more of titanium dioxide, HG180, HL70 and HR 02.
In a preferred embodiment of the invention, the inorganic filler is selected from BaSO4And CaCO3One or more of them.
The preparation method of the powder coating comprises the following steps:
weighing the components in parts by weight, and uniformly mixing the components to obtain a raw material;
adding the raw materials into a double-screw extruder, and performing extrusion processing to obtain a material;
and step three, adding the materials into a pulverizer to prepare the powder coating.
In a preferred embodiment of the present invention, the extrusion temperature is 90-110 ℃, the rotation speed of the main machine is 390-410 rpm, and the feeding rotation speed is 21-28 rpm.
The present invention will be described in detail and specifically with reference to the following examples to facilitate better understanding of the present invention, but the following examples do not limit the scope of the present invention.
Example 1
The embodiment provides an antistatic polyester powder coating, which comprises the following components in parts by mass: SJ 510060 parts, aluminum powder 15 parts, conductive carbon black 0.4 part, TGIC 4.5 parts, Flow3002 parts, brightener 2 parts, benzoin 1 part, TL 882 parts, titanium dioxide 3 parts, BaSO4And 20 parts.
Wherein the conductive carbon black has a resistivity of 0.4 Ω m and a particle size of 1000 mesh.
The preparation method of the antistatic polyester powder coating comprises the following steps:
weighing the components in parts by weight, and uniformly mixing the components to obtain a raw material;
adding the raw materials into a double-screw extruder, and carrying out extrusion processing at the temperature of 90-110 ℃, at the main machine rotating speed of 390-410 rpm of the double-screw extruder and at the feeding rotating speed of 21-28 rpm to obtain a material;
and step three, adding the materials into a pulverizer to prepare the powder coating.
Example 2
The embodiment provides an antistatic polyester powder coating, which comprises the following components in parts by mass: SJ 570150 parts, titanium dioxide 10 parts, conductive carbon black 0.3 part, TGIC 3.8 parts, Glige 4111 part, brightener 1 part, benzoin 1 part, HOT 7013 part, HL 702 part, CaCO315 parts.
Wherein the conductive carbon black has a resistivity of 0.4 Ω m and a particle size of 1500 mesh.
The preparation method of the antistatic polyester powder coating comprises the following steps:
weighing the components in parts by weight, and uniformly mixing the components to obtain a raw material;
adding the raw materials into a double-screw extruder, and carrying out extrusion processing at the temperature of 90-110 ℃, at the main machine rotating speed of 390-410 rpm of the double-screw extruder and at the feeding rotating speed of 21-28 rpm to obtain a material;
and step three, adding the materials into a pulverizer to prepare the powder coating.
Example 3
The embodiment provides an antistatic polyester powder coating, which comprises the following components in parts by mass: SJ4B 75 parts, zinc oxide 20 parts, conductive carbon black 0.5 part, TGIC 5.6 parts, GLP 5882 parts, brightener 1 part, benzoin 1 part, SAS 932 part, HR 024 part, BaSO4And 25 parts.
Wherein the conductive carbon black has a resistivity of 0.4 Ω · m and a particle diameter of 500 mesh.
The preparation method of the antistatic polyester powder coating comprises the following steps:
weighing the components in parts by weight, and uniformly mixing the components to obtain a raw material;
adding the raw materials into a double-screw extruder, and carrying out extrusion processing at the temperature of 90-110 ℃, at the main machine rotating speed of 390-410 rpm of the double-screw extruder and at the feeding rotating speed of 21-28 rpm to obtain a material;
and step three, adding the materials into a pulverizer to prepare the powder coating.
Verification examples
The polyester powder coating existing in the market is purchased as a comparative example, and the antistatic polyester powder coating provided in the examples 1 to 3 and the polyester powder coating provided in the comparative example are respectively tested to test the antistatic performance and the coating performance. The paint performance comprises a gel time test, an adhesion performance test, a weather resistance performance test and an impact resistance performance test. The gel time test is carried out by adopting the GB/T6554 standard, the bonding performance test is carried out by adopting the ISO2409 standard, the weather resistance test is carried out by adopting the GB/T1865-2009, the impact resistance test is carried out by adopting the GB/T1732 standard, and the antistatic effect is carried out by adopting the GB/T1410-2006 standard. The resulting test data are shown in table 1.
TABLE 1 antistatic Properties and coating Properties of antistatic polyester powder coatings
| Group of | Gel time | Volume resistivity | Adhesive property | Weather resistance | Impact resistance |
| Example 1 | 41 | 105 | Level 1 | Level 0 | Has no cracks |
| Example 2 | 49 | 106 | Level 1 | Level 1 | Has no cracks |
| Example 3 | 35 | 105 | Level 0 | Level 0 | Has no cracks |
| Comparative example 1 | 50 | 1012 | Level 1 | Level 1 | Has no cracks |
As shown in table 1, compared with the comparative example, the volume resistivity of the antistatic polyester powder coatings provided in examples 1 to 3 is much smaller than that of the polyester powder coatings provided in the comparative example, so that electrostatic aggregation can be effectively prevented, and production accidents such as fire caused by electrostatic aggregation can be avoided, and meanwhile, the coating performance of the antistatic polyester powder coatings provided in examples 1 to 3 is also in a better level, the weather resistance is excellent, the service life is longer, and the application range in the field of powder coatings is wider.
The embodiments of the present invention have been described in detail, but the embodiments are merely examples, and the present invention is not limited to the embodiments described above. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, equivalent changes and modifications made without departing from the spirit and scope of the present invention should be covered by the present invention.
Claims (10)
1. The antistatic polyester powder coating is characterized by comprising the following components in parts by mass: 50-80 parts of polyester resin, 10-20 parts of conductive filler, 0.2-0.6 part of conductive carbon black, 8-12 parts of auxiliary agent, 2-4 parts of pigment and 15-30 parts of inorganic filler.
2. The powder coating according to claim 1, wherein the polyester resin is selected from one or more of SJ4B, SJ5100, SJ5122 and SJ5701, all by new materials inc.
3. The powder coating of claim 1, wherein the conductive filler is selected from one or more of aluminum powder, zinc oxide, and titanium dioxide.
4. The powder coating according to claim 1, wherein the conductive carbon black has a resistivity of <0.5 Ω m and a particle size of 500 to 2000 mesh.
5. The powder coating according to claim 1, wherein the auxiliaries comprise curing agents, leveling agents, brighteners, benzoin and antistatic agents.
6. The powder coating of claim 5, wherein the curing agent is TGIC;
the leveling agent is selected from one or more of GLP588, Flow300 and Glige 411;
the antistatic agent is selected from one or more of HOT 701, TL 88 and SAS 93.
7. The powder coating according to claim 1, wherein the pigment is selected from one or more of titanium dioxide, HG180, HL70 and HR 02.
8. The powder coating according to claim 1, wherein the inorganic filler is selected from BaSO4And CaCO3One or more of them.
9. The method of preparing a powder coating according to any one of claims 1 to 8, comprising the steps of:
weighing the components according to the mass parts, and uniformly mixing the components to obtain a raw material;
adding the raw materials into a double-screw extruder, and performing extrusion processing to obtain a material;
and step three, adding the material into a pulverizer to prepare the powder coating.
10. The preparation method of claim 9, wherein the extrusion temperature is 90-110 ℃, the rotation speed of the main machine is 390-410 rpm, and the feeding rotation speed is 21-28 rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011568452.1A CN112778882A (en) | 2020-12-25 | 2020-12-25 | Antistatic polyester powder coating and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011568452.1A CN112778882A (en) | 2020-12-25 | 2020-12-25 | Antistatic polyester powder coating and preparation method thereof |
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| CN112778882A true CN112778882A (en) | 2021-05-11 |
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| CN202011568452.1A Pending CN112778882A (en) | 2020-12-25 | 2020-12-25 | Antistatic polyester powder coating and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113321962A (en) * | 2021-06-11 | 2021-08-31 | 广东华江粉末科技有限公司 | Antistatic powder coating and preparation method thereof |
| CN114958159A (en) * | 2022-07-18 | 2022-08-30 | 绍兴市英纳粉末涂料有限公司 | Antistatic plastic powder for spinning machine and production process |
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| CN105385321A (en) * | 2015-12-25 | 2016-03-09 | 德清县金秋塑粉有限公司 | Conductive powder coating |
| CN105505145A (en) * | 2016-02-22 | 2016-04-20 | 福建万安实业有限公司 | Low-resistance powder paint |
| CN106318148A (en) * | 2016-08-31 | 2017-01-11 | 苏州翰晨商贸有限公司 | Anti-static texturing powder coating |
| CN106928814A (en) * | 2017-04-26 | 2017-07-07 | 安徽联硕实业有限公司 | A kind of powdery paints for electromagnetic wire and preparation method thereof |
| CN107418391A (en) * | 2017-06-20 | 2017-12-01 | 湖北睿智新材料有限责任公司 | A kind of new formula of conductive powder paint and preparation method thereof |
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2020
- 2020-12-25 CN CN202011568452.1A patent/CN112778882A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105385321A (en) * | 2015-12-25 | 2016-03-09 | 德清县金秋塑粉有限公司 | Conductive powder coating |
| CN105505145A (en) * | 2016-02-22 | 2016-04-20 | 福建万安实业有限公司 | Low-resistance powder paint |
| CN106318148A (en) * | 2016-08-31 | 2017-01-11 | 苏州翰晨商贸有限公司 | Anti-static texturing powder coating |
| CN106928814A (en) * | 2017-04-26 | 2017-07-07 | 安徽联硕实业有限公司 | A kind of powdery paints for electromagnetic wire and preparation method thereof |
| CN107418391A (en) * | 2017-06-20 | 2017-12-01 | 湖北睿智新材料有限责任公司 | A kind of new formula of conductive powder paint and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113321962A (en) * | 2021-06-11 | 2021-08-31 | 广东华江粉末科技有限公司 | Antistatic powder coating and preparation method thereof |
| CN113321962B (en) * | 2021-06-11 | 2022-06-17 | 广东华江粉末科技有限公司 | Antistatic powder coating and preparation method thereof |
| CN114958159A (en) * | 2022-07-18 | 2022-08-30 | 绍兴市英纳粉末涂料有限公司 | Antistatic plastic powder for spinning machine and production process |
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