CN114196298A - Outdoor weather-resistant powder coating and preparation process thereof - Google Patents
Outdoor weather-resistant powder coating and preparation process thereof Download PDFInfo
- Publication number
- CN114196298A CN114196298A CN202111624883.XA CN202111624883A CN114196298A CN 114196298 A CN114196298 A CN 114196298A CN 202111624883 A CN202111624883 A CN 202111624883A CN 114196298 A CN114196298 A CN 114196298A
- Authority
- CN
- China
- Prior art keywords
- parts
- powder coating
- namely
- agent
- composite phase
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
Abstract
The invention relates to an outdoor weather-resistant powder coating and a preparation process thereof. The powder coating comprises polyester resin, a composite phase-change material, HAA, TGIC, benzoin, a wear-resisting agent, an anti-yellowing agent, a sand streak agent, organic soil, titanium white and carbon black, wherein the composite phase-change material comprises molten salt and paraffin, and the preparation process of the powder coating comprises the following steps: preparing raw materials, and step two: preparing a composite phase-change material, and step three: mixing, step four: melt extrusion, step five: cooling, step six: crushing, step seven: grinding, step eight: and (4) screening, namely nine steps: and packaging, wherein the composite phase change material is added into the original formula of the powder coating, so that the powder coating can be used outdoors to effectively adjust the self temperature according to the outdoor climate, thereby improving the weather resistance of the whole powder coating and preventing the powder coating from falling off.
Description
Technical Field
The invention belongs to the technical field of powder coatings, and particularly relates to an outdoor weather-resistant powder coating and a preparation process thereof.
Background
The market of Chinese powder coating is mainly pulled by the markets of automobile industry, electrical appliance industry, building market, electronic/electrical industry, non-metal products and the like at present. The powder coating is a new type of solvent-free pure solid powder coating. The method has the characteristics of no solvent, no pollution, energy and resource saving, labor intensity reduction, high film coating mechanical strength and the like. Once the powder coating is formulated and applied to a workpiece, the coating is endowed with certain physicochemical properties which change in the external natural environment over time, which factors are most damaging to the coating when the coating finally loses effectiveness, and the like, which are of great concern. At present, the application of the coating in outdoor is becoming more extensive, such as traffic facilities, exterior wall decoration and the like, and the coating is required to have stronger temperature reduction performance. The urgent need of the powder coating market is to improve the inherent quality of the powder coating and prolong the service life of the coating.
In order to reduce the thermal destruction of sunlight, the coating film is required to have good temperature reduction performance, and outdoor powder coating can be generally applied. At present, most of outdoor powder coatings at home and abroad do not have temperature reduction performance or have poor temperature reduction performance, so that an outdoor weather-resistant powder coating with excellent performance must be developed to solve the problem and meet the market demand.
Disclosure of Invention
The invention aims to solve the technical problem that when the existing powder coating is used outdoors, the weather resistance of the powder coating is poor due to large outdoor climate change, and the invention provides an outdoor weather-resistant powder coating and a preparation process thereof in order to overcome the defects.
In order to achieve the purpose, the invention is realized by the following technical scheme:
an outdoor weather-resistant powder coating comprises the following components in parts by weight: 40-85 parts of polyester resin, 5-10 parts of composite phase-change material, 5-20 parts of HAA17, 20-25 parts of TGIC, 1-3 parts of benzoin, 6-10 parts of wear-resistant agent, 5 parts of anti-yellowing agent, 4-6 parts of sand textured agent, 4-6 parts of organic soil, 250 parts of titanium white and 0.1-0.15 part of carbon black, wherein the composite phase-change material comprises 10-20 parts of molten salt and 30-40 parts of paraffin.
A preparation process of outdoor weather-resistant powder coating comprises the following steps:
the method comprises the following steps: the preparation of raw materials, weighing 40-85 parts of polyester resin, 40-20 parts of HAA17-20 parts of TGIC20-25 parts of benzoin, 1-3 parts of wear-resistant agent, 5 parts of anti-yellowing agent, 4-6 parts of sand textured agent, 4-6 parts of organic soil, 250 parts of titanium white 200-containing material and 0.1-0.15 part of carbon black according to the formula, and uniformly mixing to obtain material A for later use;
step two: preparing a composite phase-change material, namely weighing 10-20 parts of molten salt and 30-40 parts of paraffin, mashing and mixing to obtain a material B;
step three: stirring and mixing the material A and the material B;
step four: melt extrusion, the premix material in the third step enters a screw groove in a solid state, the premix material is compacted through the rotation motion of a screw, so that a solid bed is formed, solid particles in the solid bed, which are contacted with the surface of a heating cylinder, are firstly melted, a layer of melt film is formed on the surface of the cylinder, the melt film is accumulated on one side of a screw propelling surface due to the dragging action of the heating cylinder after reaching the specified thickness, the accumulated melt film forms a melt pool along with the reduction of the width of the solid bed, when the solid bed is completely disappeared, the melting is finished, and then the melt extrusion is carried out through a screw extruder;
step five: cooling, namely rapidly cooling the raw materials extruded in the third step by a cooling tablet machine, wherein the thickness of the tablets is controlled to be 2-3 mm;
step six: crushing, namely crushing the pressed sheets in the step five by using a crusher;
step seven: grinding, namely inverting the crushed tablets obtained in the step six into a grinder for grinding;
step eight: screening, namely screening by adopting a 240-mesh screen to obtain powder coating with the particle size of 50-60 mu m;
step nine: and (5) packaging, namely boxing the powder coating obtained by screening in the step eight.
Preferably, the molten salt is one or a mixture of more of fluoride salt, chloride salt, nitrate salt and sulfate salt.
Compared with the prior art, the invention has the beneficial effects that: the composite phase change material is added into the original formula of the powder coating, so that the powder coating can be used outdoors to effectively adjust the self temperature according to the outdoor climate, thereby improving the weather resistance of the whole powder coating and preventing the whole powder coating from falling off.
Detailed Description
The technical solution of the present application is further described below.
An outdoor weather-resistant powder coating comprises the following components in parts by weight: 40-85 parts of polyester resin, 5-10 parts of composite phase-change material, 5-20 parts of HAA17, 20-25 parts of TGIC, 1-3 parts of benzoin, 6-10 parts of wear-resistant agent, 5 parts of anti-yellowing agent, 4-6 parts of sand textured agent, 4-6 parts of organic soil, 250 parts of titanium white and 0.1-0.15 part of carbon black, wherein the composite phase-change material comprises 10-20 parts of molten salt and 30-40 parts of paraffin.
A preparation process of outdoor weather-resistant powder coating comprises the following steps:
the method comprises the following steps: the preparation of raw materials, weighing 40-85 parts of polyester resin, 40-20 parts of HAA17-20 parts of TGIC20-25 parts of benzoin, 1-3 parts of wear-resistant agent, 5 parts of anti-yellowing agent, 4-6 parts of sand textured agent, 4-6 parts of organic soil, 250 parts of titanium white 200-containing material and 0.1-0.15 part of carbon black according to the formula, and uniformly mixing to obtain material A for later use;
step two: preparing a composite phase-change material, namely weighing 10-20 parts of molten salt and 30-40 parts of paraffin, mashing and mixing to obtain a material B;
step three: stirring and mixing the material A and the material B;
step four: melt extrusion, the premix material in the third step enters a screw groove in a solid state, the premix material is compacted through the rotation motion of a screw, so that a solid bed is formed, solid particles in the solid bed, which are contacted with the surface of a heating cylinder, are firstly melted, a layer of melt film is formed on the surface of the cylinder, the melt film is accumulated on one side of a screw propelling surface due to the dragging action of the heating cylinder after reaching the specified thickness, the accumulated melt film forms a melt pool along with the reduction of the width of the solid bed, when the solid bed is completely disappeared, the melting is finished, and then the melt extrusion is carried out through a screw extruder;
step five: cooling, namely rapidly cooling the raw materials extruded in the third step by a cooling tablet machine, wherein the thickness of the tablets is controlled to be 2-3 mm;
step six: crushing, namely crushing the pressed sheets in the step five by using a crusher;
step seven: grinding, namely inverting the crushed tablets obtained in the step six into a grinder for grinding;
step eight: screening, namely screening by adopting a 240-mesh screen to obtain powder coating with the particle size of 50-60 mu m;
step nine: and (5) packaging, namely boxing the powder coating obtained by screening in the step eight.
Preferably, the molten salt is one or a mixture of more of fluoride salt, chloride salt, nitrate salt and sulfate salt.
The present invention is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.
Claims (3)
1. The outdoor weather-resistant powder coating is characterized by comprising the following components in parts by weight: 40-85 parts of polyester resin, 5-10 parts of composite phase-change material, 5-20 parts of HAA17, 20-25 parts of TGIC, 1-3 parts of benzoin, 6-10 parts of wear-resistant agent, 5 parts of anti-yellowing agent, 4-6 parts of sand textured agent, 4-6 parts of organic soil, 250 parts of titanium white and 0.1-0.15 part of carbon black, wherein the composite phase-change material comprises 10-20 parts of molten salt and 30-40 parts of paraffin.
2. The process for preparing the outdoor weather-resistant powder coating according to claim 1, wherein the process comprises the following steps: the method comprises the following steps:
the method comprises the following steps: the preparation of raw materials, weighing 40-85 parts of polyester resin, 40-20 parts of HAA17-20 parts of TGIC20-25 parts of benzoin, 1-3 parts of wear-resistant agent, 5 parts of anti-yellowing agent, 4-6 parts of sand textured agent, 4-6 parts of organic soil, 250 parts of titanium white 200-containing material and 0.1-0.15 part of carbon black according to the formula, and uniformly mixing to obtain material A for later use;
step two: preparing a composite phase-change material, namely weighing 10-20 parts of molten salt and 30-40 parts of paraffin, mashing and mixing to obtain a material B;
step three: stirring and mixing the material A and the material B;
step four: melt extrusion, the premix material in the third step enters a screw groove in a solid state, the premix material is compacted through the rotation motion of a screw, so that a solid bed is formed, solid particles in the solid bed, which are contacted with the surface of a heating cylinder, are firstly melted, a layer of melt film is formed on the surface of the cylinder, the melt film is accumulated on one side of a screw propelling surface due to the dragging action of the heating cylinder after reaching the specified thickness, the accumulated melt film forms a melt pool along with the reduction of the width of the solid bed, when the solid bed is completely disappeared, the melting is finished, and then the melt extrusion is carried out through a screw extruder;
step five: cooling, namely rapidly cooling the raw materials extruded in the third step by a cooling tablet machine, wherein the thickness of the tablets is controlled to be 2-3 mm;
step six: crushing, namely crushing the pressed sheets in the step five by using a crusher;
step seven: grinding, namely inverting the crushed tablets obtained in the step six into a grinder for grinding;
step eight: screening, namely screening by adopting a 240-mesh screen to obtain powder coating with the particle size of 50-60 mu m;
step nine: and (5) packaging, namely boxing the powder coating obtained by screening in the step eight.
3. The process for preparing the outdoor weather-resistant powder coating according to claim 1, wherein the process comprises the following steps: the molten salt is formed by mixing one or more of fluoride salt, chloride salt, nitrate and sulfate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111624883.XA CN114196298A (en) | 2021-12-28 | 2021-12-28 | Outdoor weather-resistant powder coating and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111624883.XA CN114196298A (en) | 2021-12-28 | 2021-12-28 | Outdoor weather-resistant powder coating and preparation process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114196298A true CN114196298A (en) | 2022-03-18 |
Family
ID=80656963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111624883.XA Pending CN114196298A (en) | 2021-12-28 | 2021-12-28 | Outdoor weather-resistant powder coating and preparation process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114196298A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024056059A1 (en) * | 2022-09-16 | 2024-03-21 | Valspar Coatings (Shanghai) Co. Ltd. | Low temperature curing powder coating composition and articles formed therefrom |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102190932A (en) * | 2010-03-16 | 2011-09-21 | 盐城师范学院 | Composite phase change energy-storing architectural coating and preparation method thereof |
| CN102993871A (en) * | 2012-12-19 | 2013-03-27 | 上海邦中新材料有限公司 | Insulating powder coating and preparation method thereof |
| CN107938023A (en) * | 2017-12-29 | 2018-04-20 | 成都新柯力化工科技有限公司 | A kind of cable cover(ing) self-repair material and preparation method |
| CN112299848A (en) * | 2019-07-25 | 2021-02-02 | 国家能源投资集团有限责任公司 | High-temperature heat storage material, preparation method thereof, composite material, application thereof and high-temperature heat storage device |
| CN112745745A (en) * | 2020-12-25 | 2021-05-04 | 江苏涂博士新材料有限公司 | Preparation process of food-grade coating powder paint |
| CN113278310A (en) * | 2021-04-30 | 2021-08-20 | 惠州锂威新能源科技有限公司 | Composite ceramic particle and preparation method and application thereof |
-
2021
- 2021-12-28 CN CN202111624883.XA patent/CN114196298A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102190932A (en) * | 2010-03-16 | 2011-09-21 | 盐城师范学院 | Composite phase change energy-storing architectural coating and preparation method thereof |
| CN102993871A (en) * | 2012-12-19 | 2013-03-27 | 上海邦中新材料有限公司 | Insulating powder coating and preparation method thereof |
| CN107938023A (en) * | 2017-12-29 | 2018-04-20 | 成都新柯力化工科技有限公司 | A kind of cable cover(ing) self-repair material and preparation method |
| CN112299848A (en) * | 2019-07-25 | 2021-02-02 | 国家能源投资集团有限责任公司 | High-temperature heat storage material, preparation method thereof, composite material, application thereof and high-temperature heat storage device |
| CN112745745A (en) * | 2020-12-25 | 2021-05-04 | 江苏涂博士新材料有限公司 | Preparation process of food-grade coating powder paint |
| CN113278310A (en) * | 2021-04-30 | 2021-08-20 | 惠州锂威新能源科技有限公司 | Composite ceramic particle and preparation method and application thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024056059A1 (en) * | 2022-09-16 | 2024-03-21 | Valspar Coatings (Shanghai) Co. Ltd. | Low temperature curing powder coating composition and articles formed therefrom |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101597449B (en) | Aqueous architectural reflective heat-insulation paint and preparation method thereof | |
| CN102775888A (en) | Sand pattern powder coating for aluminum profiles as well as preparation method and application thereof | |
| CN103819998A (en) | Heat insulating coating as well as coating method, paint and preparing method thereof | |
| CN102277067A (en) | Thermosetting weather-resistant low-temperature solidifying powder | |
| CN102250526A (en) | Aluminum silver powder powdery paint and preparation method | |
| CN104449200A (en) | Heat-insulation heat-preservation powdered paint, preparation method and coating method of heat-insulation heat-preservation powdered paint, coating formed by using coating method and application of coating | |
| CN101311234B (en) | Metal flashing powder coatings and preparation method thereof | |
| CN101906261B (en) | Thermal insulating glass coating with high leveling property | |
| CN103509447A (en) | Decorative metal powder paint | |
| CN114196298A (en) | Outdoor weather-resistant powder coating and preparation process thereof | |
| CN104693933A (en) | Powdery coating and preparation technology thereof | |
| CN108165230A (en) | The silane-modified sealant of industrialized building one-component | |
| CN101508867B (en) | Outdoor thermosetting powder paint and method for producing the same | |
| CN106732930A (en) | A kind of white carbon black production reducing mechanism | |
| CN106589577A (en) | High-performance environment-friendly building composite material and preparation method thereof | |
| CN103289541A (en) | Outdoor powdered cobweb coating and preparation process thereof | |
| CN110684443A (en) | Anticorrosive powder coating for outdoor metal guardrail and preparation method thereof | |
| CN110791182A (en) | Heat-preservation and heat-insulation powder coating for aluminum alloy doors and windows and preparation method thereof | |
| CN102775886B (en) | Thermal-insulation powder coating for aluminum profiles as well as preparation method and application thereof | |
| CN101104297A (en) | Method for producing building brick with waste and old rubber material | |
| CN103589304B (en) | A kind of High-leveling-properbright bright paint | |
| CN110483910A (en) | A kind of PVC wood plastic foamed board and preparation method thereof | |
| CN112226106B (en) | Powder coating with metal effect and preparation method thereof | |
| CN1319904C (en) | Method of regenerating waste glass as heat insulating ceramic tile | |
| CN103497633A (en) | Constructional powdery paint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220318 |
|
| RJ01 | Rejection of invention patent application after publication |