CN105542618A - Powder coating with high performance and high stability - Google Patents
Powder coating with high performance and high stability Download PDFInfo
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- CN105542618A CN105542618A CN201510976685.8A CN201510976685A CN105542618A CN 105542618 A CN105542618 A CN 105542618A CN 201510976685 A CN201510976685 A CN 201510976685A CN 105542618 A CN105542618 A CN 105542618A
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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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
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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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
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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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
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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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
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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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
- C09D7/65—Additives macromolecular
-
- 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)
- Inorganic Chemistry (AREA)
- Plant Pathology (AREA)
- Paints Or Removers (AREA)
Abstract
Powder coating with high performance and high stability is disclosed. The coating is prepared from following raw materials by weight: 2-3 parts of precipitated barium sulphate, 4-6 parts of gypsum powder, 6-8 parts of EVA resin, 3-4 parts of EVA emulsion, 2-3 parts of titanium oxide, 8-10 parts of silicon dioxide, 1-2 parts of boron nitride powder, 14-18 parts of melamine for-maldehyde resin, 0.4-0.5 part of an acrylic acid leveling agent, 3-4 parts of adipic dihydrazide, 1-2 parts of butylated hydroxyanisole, 0.3-0.6 part of an antioxidant 1010, 82-100 parts of epoxy resin, 6-8 parts of phenolic resin, 0.1-0.2 part of rare earth chloride, 15-18 parts of chitosan and 4-5 parts of poly(vinyl alcohol). The powder coating is good in storage stability, and a cured coating is excellent in corrosion resistance, water tolerance and weather fasteness and high in mechanical performance, so that the powder coating deserves popularization.
Description
Technical field
The present invention relates to powder coating technology field, particularly relate to a kind of powder coating of high-performance good stability.
Background technology
Powder coating has solvent-free property, non-environmental-pollution, Powder Recovery and utilization ratio high, is utilized widely.Powder coating can be divided into the large class of thermoplasticity, thermoset two.Thermoplastic powder coating is using thermoplastic resin as filmogen, its feature is that synthetic resins raises and deliquescing with temperature, and after cooling, become hard, this process can be carried out repeatedly repeatedly, often changing once will be progressively aging, finally becomes the powder of non-plastic.Thermosetting powder coating(s) is using thermoset synthetic resin as filmogen.Its feature is with some prepolymer resin compared with low polymerization degree, in the presence of a curing agent through the baking-curing of certain temperature, and becomes and can not dissolve or the scleroid final product of melting.When temperature is when raising, product can only decompose and can not soften again, belongs to chemical transformation.Because molecular resin amount is low, so have good levelling property, wettability, firmly can adhere to surface of workpiece, and have ornamental and non-corrosibility preferably after solidification.But be that to be used as decorative coating in the majority all the time at China's powder coating.
The patent No. is point out along with the demand of various countries to the energy is increasing in CN201510396989.7 " a kind of new type low temperature cured epoxy powder coating " patent, reduce energy consumption, protection of the environment becomes the main body of enterprise development, exploitation cold curing paint is that the universal powder coating solidification temperature of solution is higher, narrow application range, the important method that energy consumption is large, it utilizes bisphenol A type epoxy resin and the good compatible feature of modified crosslinking agent, coating is made to have excellent sticking power, shock-resistant, the advantages such as wet-heat resisting, filler adopts process white and active micro silicon powder to make coating have good acid resistance and alkali resistance, but the powder coating inventing preparation thus can not meet corrosion, antibacterial and protection field demand.The present invention has low solidification value by the powder coating that rational formulating of recipe obtains, expand application prospect, and study on the modification is carried out to resin matrix, the corrosion-resistant, weather-proof, antibacterial of powder coating and physical strength etc. are improved, meet the requirement for decoration and protection field each side on market.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides a kind of powder coating of high-performance good stability.
The present invention is achieved by the following technical solutions:
A powder coating for high-performance good stability, is made up of the raw material of following weight part: process white 2-3, terra alba 4-6, EVA resin 6-8, EVA emulsion 3-4, titanium oxide 2-3, silicon-dioxide 8-10, boron nitride powder 1-2, terpolycyantoamino-formaldehyde resin 14-18, vinylformic acid flow agent 0.4-0.5, adipic dihydrazide 3-4, butylated hydroxy anisole 1-2, antioxidant 1010 0.3-0.6, epoxy resin 82-100, resol 6-8, rare earth chloride 0.1-0.2, chitosan 15-18, polyvinyl alcohol 4-5.
The powder coating of described a kind of high-performance good stability, be made up of following concrete steps:
(1) diluted by the water of EVA emulsion by 4-6 times amount, it is even to add titanium oxide and boron nitride powder ultrasonic disperse, and heated and stirred is for subsequent use to forming dope;
(2) product prepared by step (1) is coated on the surface of process white and terra alba, dries, after its cooling, be ground into micro mist for subsequent use;
(3) chitosan is dissolved in the acetic acid solution of 85%, it is 6-10% chitosan solution that magnetic agitation evenly makes concentration, polyvinyl alcohol water dissolution being made concentration is 8-10% solution, be heated to 80-85 DEG C, then chitosan solution is added in polyvinyl alcohol water solution, add product ultrasonic disperse prepared by step (2) more even, standing and defoaming obtains spinning solution;
(4) by resol and rare earth chloride mixing, heated and stirred reaction 10-15min, when temperature of reaction is at 80-85 DEG C, constant temperature keeps 10-15min, then boiling is heated to, under boiling state, keep 3-4h, naturally cool to room temperature, then make with the alcohol dilution of 75% novolac solution that concentration is 10-12%, be added to mixing and stirring in product prepared by step (3) again, obtain conjugated fibre through electrostatic spinning process for subsequent use;
(5) product epoxy resin, terpolycyantoamino-formaldehyde resin, adipic dihydrazide and step (4) prepared drops in high mixer and stirs, by all the other surplus stock mixing flour to 100 orders, continue to drop in high speed machine and stir, finally by mixing material after 70-80 DEG C of preheating melting mixing 20-30min, be cooled to room temperature, be ground into the powder that particle diameter is 20-35 μm again, finally carry out metering packing, discharging.
Advantage of the present invention is: the present invention utilizes rare earth chloride volatile de-electronation reactive behavior high, extremely strong chemical bond is generated with reactive modified phenolic resin, make it heat-resisting, the performances such as wear-resisting and erosion resistance are improved, utilize chitosan itself nontoxic, the features such as broad-spectrum antimicrobial and modified phenolic resins, filler is blended prepares conjugated fibre, conjugated fibre and substrate ring epoxy resins generation copolymerzation with cross-linking is utilized to react, add the cross-linking density of system, improve film media-resistant penetrating power, its water-intake rate is reduced, resistance to cracking is improved, also improve the corrosion-resistant of powder coating simultaneously, the performances such as antibacterial and toughness, improve the shortcoming that the easy crisp period of storage easy to crack of epoxy resin itself is not grown, the treated process white added and terra alba improve the water tolerance of powder coating, ageing-resistant, the performance such as fast light, improve stability, extend period of storage, its stability in storage of powder coating prepared by the present invention is good, film rotproofness after solidification, water tolerance and weather resistance excellence, mechanical property is high, be worthy to be popularized.
Embodiment
A powder coating for high-performance good stability, is made up of the raw material of following weight part (kilogram): process white 2, terra alba 4, EVA resin 6, EVA emulsion 3, titanium oxide 2, silicon-dioxide 8, boron nitride powder 1, terpolycyantoamino-formaldehyde resin 14, vinylformic acid flow agent 0.4, adipic dihydrazide 3, butylated hydroxy anisole 1, antioxidant 1010 0.3, epoxy resin 82, resol 6, rare earth chloride 0.1, chitosan 15, polyvinyl alcohol 4.
The powder coating of described a kind of high-performance good stability, be made up of following concrete steps:
(1) diluted by the water of EVA emulsion by 4 times amount, it is even to add titanium oxide and boron nitride powder ultrasonic disperse, and heated and stirred is for subsequent use to forming dope;
(2) product prepared by step (1) is coated on the surface of process white and terra alba, dries, after its cooling, be ground into micro mist for subsequent use;
(3) chitosan is dissolved in the acetic acid solution of 85%, it is 6% chitosan solution that magnetic agitation evenly makes concentration, polyvinyl alcohol water dissolution being made concentration is 8% solution, be heated to 80 DEG C, then chitosan solution is added in polyvinyl alcohol water solution, add product ultrasonic disperse prepared by step (2) more even, standing and defoaming obtains spinning solution;
(4) by resol and rare earth chloride mixing, heated and stirred reaction 10min, when temperature of reaction is at 80 DEG C, constant temperature keeps 10min, then boiling is heated to, under boiling state, keep 3h, naturally cool to room temperature, then make with the alcohol dilution of 75% novolac solution that concentration is 10%, be added to mixing and stirring in product prepared by step (3) again, obtain conjugated fibre through electrostatic spinning process for subsequent use;
(5) product epoxy resin, terpolycyantoamino-formaldehyde resin, adipic dihydrazide and step (4) prepared drops in high mixer and stirs, by all the other surplus stock mixing flour to 100 orders, continue to drop in high speed machine and stir, finally by mixing material after 70 DEG C of preheating melting mixing 20min, be cooled to room temperature, be ground into the powder that particle diameter is 20 μm again, finally carry out metering packing, discharging.
After the powder coating solidification using the present invention to prepare, film performance is as follows:
Paint film appearance flat smooth, surface tinted is consistent, without particle, pin hole, bubble, wrinkle; Sticking power reaches 1 grade; Salt-fog resistant test: 2000 hours without exception; Water-intake rate (5 days, 90 DEG C): 4.2%; Shock resistance is greater than 50cm; Flexural strength: 5mm.
Claims (2)
1. the powder coating of a high-performance good stability, it is characterized in that, be made up of the raw material of following weight part: process white 2-3, terra alba 4-6, EVA resin 6-8, EVA emulsion 3-4, titanium oxide 2-3, silicon-dioxide 8-10, boron nitride powder 1-2, terpolycyantoamino-formaldehyde resin 14-18, vinylformic acid flow agent 0.4-0.5, adipic dihydrazide 3-4, butylated hydroxy anisole 1-2, antioxidant 1010 0.3-0.6, epoxy resin 82-100, resol 6-8, rare earth chloride 0.1-0.2, chitosan 15-18, polyvinyl alcohol 4-5.
2. the powder coating of a kind of high-performance good stability according to claim 1, is characterized in that, be made up of following concrete steps:
(1) diluted by the water of EVA emulsion by 4-6 times amount, it is even to add titanium oxide and boron nitride powder ultrasonic disperse, and heated and stirred is for subsequent use to forming dope;
(2) product prepared by step (1) is coated on the surface of process white and terra alba, dries, after its cooling, be ground into micro mist for subsequent use;
(3) chitosan is dissolved in the acetic acid solution of 85%, it is 6-10% chitosan solution that magnetic agitation evenly makes concentration, polyvinyl alcohol water dissolution being made concentration is 8-10% solution, be heated to 80-85 DEG C, then chitosan solution is added in polyvinyl alcohol water solution, add product ultrasonic disperse prepared by step (2) more even, standing and defoaming obtains spinning solution;
(4) by resol and rare earth chloride mixing, heated and stirred reaction 10-15min, when temperature of reaction is at 80-85 DEG C, constant temperature keeps 10-15min, then boiling is heated to, under boiling state, keep 3-4h, naturally cool to room temperature, then make with the alcohol dilution of 75% novolac solution that concentration is 10-12%, be added to mixing and stirring in product prepared by step (3) again, obtain conjugated fibre through electrostatic spinning process for subsequent use;
(5) product epoxy resin, terpolycyantoamino-formaldehyde resin, adipic dihydrazide and step (4) prepared drops in high mixer and stirs, by all the other surplus stock mixing flour to 100 orders, continue to drop in high speed machine and stir, finally by mixing material after 70-80 DEG C of preheating melting mixing 20-30min, be cooled to room temperature, be ground into the powder that particle diameter is 20-35 μm again, finally carry out metering packing, discharging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510976685.8A CN105542618A (en) | 2015-12-23 | 2015-12-23 | Powder coating with high performance and high stability |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510976685.8A CN105542618A (en) | 2015-12-23 | 2015-12-23 | Powder coating with high performance and high stability |
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| Publication Number | Publication Date |
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| CN105542618A true CN105542618A (en) | 2016-05-04 |
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| CN201510976685.8A Withdrawn CN105542618A (en) | 2015-12-23 | 2015-12-23 | Powder coating with high performance and high stability |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108504248A (en) * | 2018-04-08 | 2018-09-07 | 苏州聚康新材料科技有限公司 | A kind of open air application thermosetting powder coating preparation method and applications |
| CN116855155A (en) * | 2023-07-06 | 2023-10-10 | 华南理工大学 | Electrostatic spinning film-epoxy resin coating and preparation method and application thereof |
| PL443908A1 (en) * | 2023-02-27 | 2024-09-02 | Politechnika Rzeszowska im. Ignacego Łukasiewicza | Antimicrobial powder coating and method for producing the antimicrobial powder coating |
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| CN1146477A (en) * | 1996-06-06 | 1997-04-02 | 西安交通大学 | Hard thermal-insulating paint for wall and production technology |
| CN101535420A (en) * | 2006-10-30 | 2009-09-16 | 安德鲁·W·苏曼 | Abradable dry film lubricant and method of application thereof and articles made therefrom |
| CN103131297A (en) * | 2013-02-03 | 2013-06-05 | 倪进培 | Powder coating with trioctyl trimellitate |
| CN103756419A (en) * | 2013-12-27 | 2014-04-30 | 安徽省美域节能环保技术应用有限公司 | Aqueous outer wall coating and preparation method thereof |
| CN104449274A (en) * | 2014-10-23 | 2015-03-25 | 安徽省实防新型玻璃科技有限公司 | Water paint with high hardness and excellent endurance property for glass door and preparation method thereof |
| CN104946107A (en) * | 2015-07-15 | 2015-09-30 | 龚灿锋 | Anti-flaming anti-bacteria coating |
| CN105062302A (en) * | 2015-07-22 | 2015-11-18 | 安徽圣德建材科技有限公司 | High-performance thermosetting epoxy resin powder coating |
| CN105131739A (en) * | 2015-09-01 | 2015-12-09 | 天长市银狐漆业有限公司 | Environment-friendly humidifying diatom ooze coating |
-
2015
- 2015-12-23 CN CN201510976685.8A patent/CN105542618A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1146477A (en) * | 1996-06-06 | 1997-04-02 | 西安交通大学 | Hard thermal-insulating paint for wall and production technology |
| CN101535420A (en) * | 2006-10-30 | 2009-09-16 | 安德鲁·W·苏曼 | Abradable dry film lubricant and method of application thereof and articles made therefrom |
| CN103131297A (en) * | 2013-02-03 | 2013-06-05 | 倪进培 | Powder coating with trioctyl trimellitate |
| CN103756419A (en) * | 2013-12-27 | 2014-04-30 | 安徽省美域节能环保技术应用有限公司 | Aqueous outer wall coating and preparation method thereof |
| CN104449274A (en) * | 2014-10-23 | 2015-03-25 | 安徽省实防新型玻璃科技有限公司 | Water paint with high hardness and excellent endurance property for glass door and preparation method thereof |
| CN104946107A (en) * | 2015-07-15 | 2015-09-30 | 龚灿锋 | Anti-flaming anti-bacteria coating |
| CN105062302A (en) * | 2015-07-22 | 2015-11-18 | 安徽圣德建材科技有限公司 | High-performance thermosetting epoxy resin powder coating |
| CN105131739A (en) * | 2015-09-01 | 2015-12-09 | 天长市银狐漆业有限公司 | Environment-friendly humidifying diatom ooze coating |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108504248A (en) * | 2018-04-08 | 2018-09-07 | 苏州聚康新材料科技有限公司 | A kind of open air application thermosetting powder coating preparation method and applications |
| PL443908A1 (en) * | 2023-02-27 | 2024-09-02 | Politechnika Rzeszowska im. Ignacego Łukasiewicza | Antimicrobial powder coating and method for producing the antimicrobial powder coating |
| CN116855155A (en) * | 2023-07-06 | 2023-10-10 | 华南理工大学 | Electrostatic spinning film-epoxy resin coating and preparation method and application thereof |
| CN116855155B (en) * | 2023-07-06 | 2023-12-12 | 华南理工大学 | Electrostatic spinning film-epoxy resin coating and preparation method and application thereof |
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Application publication date: 20160504 |
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