CN112226146A - Production and processing technology of resin powder coating - Google Patents
Production and processing technology of resin powder coating Download PDFInfo
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- CN112226146A CN112226146A CN202011066215.5A CN202011066215A CN112226146A CN 112226146 A CN112226146 A CN 112226146A CN 202011066215 A CN202011066215 A CN 202011066215A CN 112226146 A CN112226146 A CN 112226146A
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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
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/48—Stabilisers against degradation by oxygen, light or heat
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
The invention discloses a production and processing technology of resin powder coating, which comprises the following steps: the method comprises the following steps: preparing 60-80 parts of modified polyester resin powder, 15-20 parts of shell powder, 3-5 parts of an auxiliary agent, 5-10 parts of stannic chloride, 1-3 parts of a pigment, 2-6 parts of polyurethane, 2-5 parts of polyvinyl chloride resin powder and 4-6 parts of ethyl carbamate; step two: adding the raw materials in the step one into a high-speed stirrer for high-speed stirring at a stirring speed of 3000-5000 r/min for 5-10 min, and then stirring at a low speed of 600-800 r/min for 25-30 min; through the modified polyester resin powder of design, chlorinated rubber powder and acrylic acid lacquer powder have been added in inside for in the use in later stage, drying that can be quick, subsequent processing of being convenient for uses more high-efficiently, and the adhesion with outside object obtains promoting simultaneously, the insecure phenomenon of adhesion can not appear.
Description
Technical Field
The invention belongs to the technical field of resin powder coatings, and particularly relates to a production and processing technology of a resin powder coating.
Background
The powder coating is a solid powder synthetic resin coating composed of solid resin, pigment, filler, auxiliary agent and the like, and is different from common solvent type coatings and water-based coatings, the dispersion medium of the powder coating is not solvent and water but air, the powder coating has the characteristics of no solvent pollution, 100 percent film formation and low energy consumption, the powder coating has two categories of thermoplasticity and thermosetting property, the appearance of a coating film of the thermoplasticity powder coating is poor, and the adhesion force between the thermoplasticity powder coating and metal is also poor, so the application in the field of automobile coating is very few, the automobile coating generally adopts the thermosetting powder coating, the thermosetting powder coating takes the thermosetting synthetic resin as a film forming substance, the resin is firstly melted in the drying process, and then the resin is cured into a flat and hard coating film.
The existing resin powder coating is longer in the later-stage coating, so that the next processing can be carried out only after the coating is dried by workers, the subsequent construction is greatly influenced, meanwhile, the existing resin powder coating also has the phenomenon of infirm adhesion in the adhesion, and the existing resin powder coating has great limitation in actual use and has a space capable of being improved.
Disclosure of Invention
The invention aims to provide a production and processing technology of resin powder coating to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a production and processing technology of resin powder coating comprises the following steps:
the method comprises the following steps: preparing 60-80 parts of modified polyester resin powder, 15-20 parts of shell powder, 3-5 parts of an auxiliary agent, 5-10 parts of stannic chloride, 1-3 parts of a pigment, 2-6 parts of polyurethane, 2-5 parts of polyvinyl chloride resin powder and 4-6 parts of ethyl carbamate;
step two: adding the raw materials in the step one into a high-speed stirrer for high-speed stirring at a stirring speed of 3000-5000 r/min for 5-10 min, and then stirring at a low speed of 600-800 r/min for 25-30 min;
step three: performing hot-pressing calcination treatment on the raw materials in the second step, wherein the hot-pressing calcination temperature is 300-350 ℃, the hot-pressing time is 10-15 min, the hot-pressing pressure is 6-12 MPa, and the hot pressing is finished to obtain a primary material;
step four: and pressing the primary material into sheet material, and crushing the sheet material to obtain granular material, so as to obtain the high-wear-resistance polyester resin powder coating.
Preferably, the modification processing method of the modified polyester resin powder in the first step comprises: adding chlorinated rubber powder and acrylic acid paint powder into polyester resin powder according to a certain proportion, wherein the proportion of the chlorinated rubber powder to the acrylic acid paint powder is 5: 1: 2, mixing and stirring the three components for 3-5 min at the stirring speed of 60-100 r/min.
Preferably, the auxiliary agent in the step one is one or more of a curing agent, a brightener, a leveling agent, an accelerator and a stabilizer.
Preferably, the particle size of the particles in the fourth step is 5-13 um.
Preferably, the pigment raw material in the first step is yellow ocher, red ocher or a combination of the yellow ocher and the red ocher.
Preferably, when the pigment is prepared from both yellow ochre and red ochre, the process comprises the following steps of placing the yellow ochre and the red ochre into a crushing device to be crushed to obtain particles with the particle size of 0.5-1 mm, placing the particles into a melting furnace to be melted into fluid, standing the fluid for 3-5 hours after the fluid is melted to obtain solid, and then cutting the solid into materials.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the designed modified polyester resin powder, chlorinated rubber powder and acrylic paint powder are added in the modified polyester resin powder, so that the modified polyester resin powder can be quickly dried in later-stage use, subsequent processing is facilitated, the use is more efficient, meanwhile, the adhesion with an external object is improved, and the phenomenon of insecure adhesion is avoided;
2. by adding the stabilizer and the accelerator in the auxiliary agent, the stability of solution, colloid, solid and mixture can be improved, so that the coating cannot be photooxidized, and meanwhile, the accelerator can improve the reaction efficiency of the coating and facilitate the acceleration of the production efficiency in the early stage.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example 1
The invention provides a technical scheme that: a production and processing technology of resin powder coating comprises the following steps:
the method comprises the following steps: preparing 60 parts of modified polyester resin powder, 15 parts of shell powder, 3 parts of an auxiliary agent, 5 parts of stannic chloride, 1 part of pigment, 2 parts of polyurethane, 2 parts of polyvinyl chloride resin powder and 4 parts of ethyl carbamate;
step two: adding the raw materials in the step one into a high-speed stirrer for high-speed stirring at a stirring speed of 3000r/min for 5min, and then stirring at a low speed of 600r/min for 25 min;
step three: performing hot-pressing calcination treatment on the raw materials in the step two, wherein the hot-pressing calcination temperature is 300 ℃, the hot-pressing time is 10min, the hot-pressing pressure is 6MPa, and the hot pressing is finished to obtain a primary material;
step four: and pressing the primary material into sheet material, and crushing the sheet material to obtain granular material, so as to obtain the high-wear-resistance polyester resin powder coating.
In this embodiment, preferably, the modification processing method of the modified polyester resin powder in the first step is: with the chlorinated rubber powder and the acrylic acid lacquer powder of adding a certain proportion in the polyester resin powder, through the modified polyester resin powder of design, have added chlorinated rubber powder and acrylic acid lacquer powder in inside for in the use in later stage, drying that can be quick, subsequent processing of being convenient for uses more high-efficiently, obtains promoting with the adhesion of outside object simultaneously, the insecure phenomenon of adhesion can not appear, three's proportion is 5: 1: 2, then mixing and stirring the three components for 3min, wherein the stirring speed is 60 r/min.
In this embodiment, preferably, the auxiliary agents in the step one are a curing agent, a brightener, a leveling agent, an accelerator, and a stabilizer, and by adding the stabilizer and the accelerator to the auxiliary agents, the stability of the solution, the colloid, the solid, and the mixture can be improved, so that the coating is not photo-oxidized, and the accelerator can improve the reaction efficiency of the coating, thereby facilitating the acceleration of the production efficiency in the early stage.
In this embodiment, the particle size in step four is preferably 5 um.
In this embodiment, preferably, the pigment raw materials in the step one are yellow ocher and red ocher.
In the embodiment, preferably, when the pigment is prepared by using both yellow ochre and red ochre, the process is that the yellow ochre and the red ochre are placed in a crushing device to be crushed to obtain particles with the particle size of 0.5mm, the particles are placed in a melting furnace to be melted into fluid, the fluid is melted and then is placed for 3 hours to obtain solid, and then the solid is cut into materials.
Example 2
The invention provides a technical scheme that: a production and processing technology of resin powder coating comprises the following steps:
the method comprises the following steps: preparing 80 parts of modified polyester resin powder, 20 parts of shell powder, 5 parts of an auxiliary agent, 10 parts of stannic chloride, 3 parts of pigment, 6 parts of polyurethane, 5 parts of polyvinyl chloride resin powder and 6 parts of ethyl carbamate;
step two: adding the raw materials in the step one into a high-speed stirrer for high-speed stirring at a stirring speed of 5000r/min for 10min, and then stirring at a low speed of 800r/min for 0 min;
step three: performing hot-pressing calcination treatment on the raw materials in the step two, wherein the hot-pressing calcination temperature is 350 ℃, the hot-pressing time is 15min, the hot-pressing pressure is 12MPa, and the hot pressing is finished to obtain a primary material;
step four: and pressing the primary material into sheet material, and crushing the sheet material to obtain granular material, so as to obtain the high-wear-resistance polyester resin powder coating.
In this embodiment, preferably, the modification processing method of the modified polyester resin powder in the first step is: with the chlorinated rubber powder and the acrylic acid lacquer powder of adding a certain proportion in the polyester resin powder, through the modified polyester resin powder of design, have added chlorinated rubber powder and acrylic acid lacquer powder in inside for in the use in later stage, drying that can be quick, subsequent processing of being convenient for uses more high-efficiently, obtains promoting with the adhesion of outside object simultaneously, the insecure phenomenon of adhesion can not appear, three's proportion is 5: 1: 2, then mixing and stirring the three components for 5min, wherein the stirring speed is 100 r/min.
In this embodiment, preferably, the auxiliary agent in the step one is a curing agent and a gloss enhancer.
In this embodiment, the particle size in step four is preferably 13 um.
In this embodiment, preferably, the pigment raw material in the step one is red ochre.
In the embodiment, preferably, when the pigment is prepared by using both yellow ochre and red ochre, the process is that the yellow ochre and the red ochre are placed in a crushing device to be crushed to obtain particles with the particle size of 1mm, the particles are placed in a melting furnace to be melted into fluid, the fluid is stood for 5 hours after being melted to obtain solid, and then the solid is cut into materials.
Example 3
The invention provides a technical scheme that: a production and processing technology of resin powder coating comprises the following steps:
the method comprises the following steps: preparing 70 parts of modified polyester resin powder, 18 parts of shell powder, 4 parts of an auxiliary agent, 8 parts of stannic chloride, 2 parts of pigment, 5 parts of polyurethane, 3 parts of polyvinyl chloride resin powder and 5 parts of ethyl carbamate;
step two: adding the raw materials in the step one into a high-speed stirrer for high-speed stirring at the stirring speed of 4000r/min for 8min, and then stirring at a low speed at the stirring speed of 700r/min for 28 min;
step three: performing hot-pressing calcination treatment on the raw materials in the step two, wherein the hot-pressing calcination temperature is 320 ℃, the hot-pressing time is 13min, the hot-pressing pressure is 8MPa, and the hot pressing is finished to obtain a primary material;
step four: and pressing the primary material into sheet material, and crushing the sheet material to obtain granular material, so as to obtain the high-wear-resistance polyester resin powder coating.
In this embodiment, preferably, the modification processing method of the modified polyester resin powder in the first step is: with the chlorinated rubber powder and the acrylic acid lacquer powder of adding a certain proportion in the polyester resin powder, through the modified polyester resin powder of design, have added chlorinated rubber powder and acrylic acid lacquer powder in inside for in the use in later stage, drying that can be quick, subsequent processing of being convenient for uses more high-efficiently, obtains promoting with the adhesion of outside object simultaneously, the insecure phenomenon of adhesion can not appear, three's proportion is 5: 1: 2, then mixing and stirring the three components for 4min, wherein the stirring speed is 80 r/min.
In this embodiment, preferably, the auxiliary agent in the step one is one or more of an accelerator and a stabilizer, and the stabilizer and the accelerator are added in the auxiliary agent, so that the stability of a solution, a colloid, a solid and a mixture can be improved, the coating cannot be photooxidized, and meanwhile, the accelerator can improve the reaction efficiency of the coating, thereby facilitating the acceleration of the production efficiency in the early stage.
In this embodiment, the particle size in step four is preferably 10 um.
In this embodiment, preferably, the pigment raw material in the step one is yellow ocher.
In the embodiment, preferably, when the pigment is prepared by using both yellow ochre and red ochre, the process is that the yellow ochre and the red ochre are placed in a crushing device to be crushed to obtain particles with the particle size of 0.8mm, the particles are placed in a melting furnace to be melted into fluid, the fluid is stood for 4 hours after being melted to obtain solid, and then the solid is cut into materials.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A production and processing technology of resin powder coating is characterized in that: the method comprises the following steps:
the method comprises the following steps: preparing 60-80 parts of modified polyester resin powder, 15-20 parts of shell powder, 3-5 parts of an auxiliary agent, 5-10 parts of stannic chloride, 1-3 parts of a pigment, 2-6 parts of polyurethane, 2-5 parts of polyvinyl chloride resin powder and 4-6 parts of ethyl carbamate;
step two: adding the raw materials in the step one into a high-speed stirrer for high-speed stirring at a stirring speed of 3000-5000 r/min for 5-10 min, and then stirring at a low speed of 600-800 r/min for 25-30 min;
step three: performing hot-pressing calcination treatment on the raw materials in the second step, wherein the hot-pressing calcination temperature is 300-350 ℃, the hot-pressing time is 10-15 min, the hot-pressing pressure is 6-12 MPa, and the hot pressing is finished to obtain a primary material;
step four: and pressing the primary material into sheet material, and crushing the sheet material to obtain granular material, so as to obtain the high-wear-resistance polyester resin powder coating.
2. The production and processing technology of resin powder coating as claimed in claim 1, wherein the production and processing technology comprises the following steps: the modified polyester resin powder in the first step is modified by the following steps: adding chlorinated rubber powder and acrylic acid paint powder into polyester resin powder according to a certain proportion, wherein the proportion of the chlorinated rubber powder to the acrylic acid paint powder is 5: 1: 2, mixing and stirring the three components for 3-5 min at the stirring speed of 60-100 r/min.
3. The production and processing technology of resin powder coating as claimed in claim 1, wherein the production and processing technology comprises the following steps: the auxiliary agent in the step one is one or more of a curing agent, a brightener, a flatting agent, an accelerator and a stabilizer.
4. The production and processing technology of resin powder coating as claimed in claim 1, wherein the production and processing technology comprises the following steps: the particle size of the particles in the fourth step is 5-13 um.
5. The production and processing technology of resin powder coating as claimed in claim 1, wherein the production and processing technology comprises the following steps: the pigment raw material in the first step is yellow ochre, red ochre or the combination of the yellow ochre and the red ochre.
6. The production and processing technology of resin powder coating as claimed in claim 5, wherein the production and processing technology comprises the following steps: when the yellow ochre and the red ochre are used for preparing the pigment, the process is as follows, the yellow ochre and the red ochre are placed in a crushing device to be crushed to obtain particles, the particle size of the particles is 0.5-1 mm, the particles are placed in a melting furnace to be melted into fluid, the fluid is stood for 3-5 hours after being melted to obtain solid, and then the solid is cut into materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011066215.5A CN112226146A (en) | 2020-09-30 | 2020-09-30 | Production and processing technology of resin powder coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011066215.5A CN112226146A (en) | 2020-09-30 | 2020-09-30 | Production and processing technology of resin powder coating |
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| CN112226146A true CN112226146A (en) | 2021-01-15 |
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| CN202011066215.5A Pending CN112226146A (en) | 2020-09-30 | 2020-09-30 | Production and processing technology of resin powder coating |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004067708A (en) * | 2002-08-01 | 2004-03-04 | Meiji Natl Ind Co Ltd | Powder coating for visible light reflection and reflector using the same |
| JP2015134889A (en) * | 2014-01-20 | 2015-07-27 | 株式会社Ｌｉｘｉｌ | Powder mixed coating material and coated member |
| CN105086779A (en) * | 2014-10-30 | 2015-11-25 | 合肥蓝天家具制造有限责任公司 | Decorative colored powdery paint |
| CN108219632A (en) * | 2017-12-29 | 2018-06-29 | 广西平果宝信涂料有限公司 | The grit powder coating and its processing method prepared by modified polyester resin |
| CN111440487A (en) * | 2020-05-28 | 2020-07-24 | 浙江绿环新材料科技有限公司 | Impact-resistant strong-adhesion powder coating and preparation method thereof |
| CN111607315A (en) * | 2020-06-30 | 2020-09-01 | 江苏达美瑞新材料有限公司 | Production process of high-wear-resistance polyester resin powder coating |
-
2020
- 2020-09-30 CN CN202011066215.5A patent/CN112226146A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004067708A (en) * | 2002-08-01 | 2004-03-04 | Meiji Natl Ind Co Ltd | Powder coating for visible light reflection and reflector using the same |
| JP2015134889A (en) * | 2014-01-20 | 2015-07-27 | 株式会社Ｌｉｘｉｌ | Powder mixed coating material and coated member |
| CN105086779A (en) * | 2014-10-30 | 2015-11-25 | 合肥蓝天家具制造有限责任公司 | Decorative colored powdery paint |
| CN108219632A (en) * | 2017-12-29 | 2018-06-29 | 广西平果宝信涂料有限公司 | The grit powder coating and its processing method prepared by modified polyester resin |
| CN111440487A (en) * | 2020-05-28 | 2020-07-24 | 浙江绿环新材料科技有限公司 | Impact-resistant strong-adhesion powder coating and preparation method thereof |
| CN111607315A (en) * | 2020-06-30 | 2020-09-01 | 江苏达美瑞新材料有限公司 | Production process of high-wear-resistance polyester resin powder coating |
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Application publication date: 20210115 |