CN105462452A - Anti-ultraviolet and anti-aging powder coating added with nano titanium dioxide - Google Patents
Anti-ultraviolet and anti-aging powder coating added with nano titanium dioxide Download PDFInfo
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- CN105462452A CN105462452A CN201510865404.1A CN201510865404A CN105462452A CN 105462452 A CN105462452 A CN 105462452A CN 201510865404 A CN201510865404 A CN 201510865404A CN 105462452 A CN105462452 A CN 105462452A
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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
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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
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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
- 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
- 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
- C08K2201/011—Nanostructured additives
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- 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)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses an anti-ultraviolet and anti-aging powder coating added with nano titanium dioxide. The powder coating is prepared from the following raw materials: 52-54 parts of hydroxy polyester resin, 7-8 parts of fluorocarbon resin, 4-5 parts of triglycidyl isocyanurate, 13-15 parts of nano-aluminum oxide, 0.8-0.9 part of perfluorooctyl triethoxysilane, 25-30 parts of an ethanol solution with the concentration of 75wt%, 0.5-0.6 part of a silane coupling agent kh560, 15-17 parts of rutile type nano titanium dioxide, 0.2-0.25 part of an aluminum coupling agent F1, 3-4 parts of extinction micronized wax, 0.8-1 part of amorphous silica, 1.5-2 parts of carboxymethyl cellulose, 4-5 parts of low-melting glass powder and a proper amount of deionized water. In the preparation of the powder coating, the aluminate coupling agent-modified rutile type nano titanium dioxide is additionally added, so that the weatherability and the hydrophobicity are improved; the powder coating is used for corrosion protection of an outside pump valve, and has an excellent anti-aging effect.
Description
Technical field
The present invention relates to technical field of coatings, particularly relate to a kind of powder coating adding nano titanium oxide ultraviolet aging resistance.
Background technology
In recent years, the application of powder coating has surmounted water-borne coatings and high solid coating etc. in coatings industry, becomes industry member and uses one of more coating variety.Powder coating process solves the problems such as inflammable, the explosive and contaminate environment existing for traditional paint coating process, and its coating possesses superior performance, the recyclable use again of raw material, and coating process is simple.Pump can be widely used in, valve housing is coated with and loads onto.Because pump valve is foundry goods or forging, therefore its surface irregularity, also certain defect is there is in currently available technology for the functional powder coating technology of valve surface process, cause coating to occur the defects such as shrinkage cavity, pinprick and serious orange peel shape, and then cause pump valve to be restricted in special dimension application such as food, biology, pharmacy, chemical industry, space flight and electronics.And most of pump valve all can be used in the factor such as the media environment impact of High water cut, Gao Hansha, deep-etching, increase the weight of the corrosion of pump valve, easier fouling on pump valve, thus cause pump valve short for work-ing life, the problem that round of visits is short, workload is large, make troubles to use, general surface intensified technique mainly contains metal plating, ceramic coating, some other coating, although slow down wearing and tearing to a certain extent, improve erosion resistance, but all there is weak point: the easy layering of metal plating causes coming off; Pottery shock resistance is poor, easy chipping phenomenon; Some polymeric coating mechanics and thermal characteristics difference etc.Thus research and development have the powder coating of the functions such as weather-proof, water-tight corrosion-proof, and possess skills the meaning promoting to improve with industry.
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 adding nano titanium oxide ultraviolet aging resistance.
The present invention is achieved by the following technical solutions:
A kind of powder coating adding nano titanium oxide ultraviolet aging resistance, be made up of the raw material of following weight part: hydroxy polyester resin 52-54, fluorocarbon resin 7-8, isocyanuric acid three-glycidyl ester 4-5, nano-aluminium oxide 13-15, perfluoro capryl triethoxyl silane 0.8-0.9, concentration is the ethanolic soln 25-30 of 75wt%, silane coupling agent kh5600.5-0.6, rutile type nano titanic oxide 15-17, aluminate coupling agent F10.2-0.25, delustring micro mist wax 3-4, amorphism silicon-dioxide 0.8-1, carboxymethyl cellulose 1.5-2, glass powder with low melting point 4-5, deionized water is appropriate.
Described a kind of powder coating adding nano titanium oxide ultraviolet aging resistance, is prepared from by following concrete steps:
(1) nano-aluminium oxide is put into the ethanolic soln that concentration is 75wt%, dispersed with stirring is even, then perfluoro capryl triethoxyl silane is added, reflux 2-2.5 hour, adds silane coupling agent kh560 after cooling, continue stirring reaction 2-3 hour, last underpressure distillation, slough the solvent in system, with the dry 60-80 minute of the temperature of 80-85 DEG C in vacuum drying oven, obtain active nano aluminium sesquioxide;
(2) by rutile type nano titanic oxide in putting into loft drier with the dry 2-2.5 hour of the temperature of 130-150 DEG C, then put into high-speed mixer, be heated to 70-80 DEG C, add aluminate coupling agent F1 while stirring, be warming up to 110-120 DEG C again, stir 20-30 minute with the speed of 1000 revs/min, continue to be warming up to 130-140 DEG C, continue to stir 20-30 minute, discharging, with deionized water wash, put into the dry rear grinding of baking oven, obtain powder for subsequent use; Glass powder with low melting point is put into ball mill, dry grinds and add delustring micro mist wax after 20-30 minute, add appropriate deionized water, continue ball milling 40-50 minute, take out post-drying grinding and mix with above-mentioned powder, obtain modified filler;
(3) hydroxy polyester resin, fluorocarbon resin, isocyanuric acid three-glycidyl ester are put into after homogenizer stirs 20-30 minute with the speed of 1000 revs/min and added active nano aluminium sesquioxide and modified filler, continue to stir discharging after 10-15 minute, compound is sent into twin screw melt extruder, continue to add all the other remaining components, melt extrude, compressing tablet, obtained fine powder through pulverizing 180 mesh sieves and get final product.
Advantage of the present invention is: the present invention adds a small amount of fluorocarbon resin Substitute For Partial hydroxy polyester resin, in the process of powder coating solidification, fluorocarbon chain section in fluorocarbon resin there occurs surface enrichment, so a small amount of fluorine just can significantly improve the hydro-oleophobicity of coating, the heat-proof water of coating, acid-proof alkaline and snappiness can be improved simultaneously; Coordinate and add through the obtained active nano aluminium sesquioxide of special process process, be easy to form chemical bonding with F-C key, make coating structure more firm, and the contact angle of coatingsurface to water sharply increases, further increase the hydrophobicity of coating, the powder coating made has anticorrosive, acid and alkali-resistance, weathering resistance, hydrophobic and lyophobic property etc. more than general powder coating excellence.
The present invention also adds with the rutile type nano titanic oxide of aluminate coupling agent modification in the preparation of powder coating, success has carried out surperficial organic coating to nano-powder, improve the hydrophobicity of nano-powder, improve its dispersing property in powder coating, its ultraviolet shielded effect can be played more fully, strengthen the anti-ultraviolet effect of film, thus improve weather resistance and hydrophobic performance, anticorrosion for outdoor pump valve, has good antiageing effect, long service life.
Embodiment
Add a powder coating for nano titanium oxide ultraviolet aging resistance, be made up of the raw material of following weight part (kilogram): hydroxy polyester resin 52, fluorocarbon resin 7, isocyanuric acid three-glycidyl ester 4, nano-aluminium oxide 13, perfluoro capryl triethoxyl silane 0.8, concentration are that the ethanolic soln 25 of 75wt%, silane coupling agent kh5600.5, rutile type nano titanic oxide 15, aluminate coupling agent F10.2, delustring micro mist wax 3, amorphism silicon-dioxide 0.8, carboxymethyl cellulose 1.5, glass powder with low melting point 4, deionized water are appropriate.
Described a kind of powder coating adding nano titanium oxide ultraviolet aging resistance, is prepared from by following concrete steps:
(1) nano-aluminium oxide is put into the ethanolic soln that concentration is 75wt%, dispersed with stirring is even, then perfluoro capryl triethoxyl silane is added, reflux 2 hours, adds silane coupling agent kh560 after cooling, continue stirring reaction 2 hours, last underpressure distillation, slough the solvent in system, with the temperature of 80 DEG C drying 60 minutes in vacuum drying oven, obtain active nano aluminium sesquioxide;
(2) by rutile type nano titanic oxide in putting into loft drier with the temperature of 130 DEG C dry 2 hours, then put into high-speed mixer, be heated to 80 DEG C, add aluminate coupling agent F1 while stirring, be warming up to 110 DEG C again, stir 20 minutes with the speed of 1000 revs/min, continue to be warming up to 130 DEG C, continue stirring 20 minutes, discharging, with deionized water wash, put into the dry rear grinding of baking oven, obtain powder for subsequent use; Glass powder with low melting point is put into ball mill, dry grinds and add delustring micro mist wax after 20 minutes, add appropriate deionized water, continue ball milling 40 minutes, take out post-drying grinding and mix with above-mentioned powder, obtain modified filler;
(3) hydroxy polyester resin, fluorocarbon resin, isocyanuric acid three-glycidyl ester are put into after homogenizer stirs 20 minutes with the speed of 1000 revs/min and added active nano aluminium sesquioxide and modified filler, continue stirring discharging after 10 minutes, compound is sent into twin screw melt extruder, continue to add all the other remaining components, melt extrude, compressing tablet, obtained fine powder through pulverizing 180 mesh sieves and get final product.
Electrostatic spraying constructional method is adopted to act on the device surface such as pump, valve powder coating of the present invention, through the abundant solidification of 180 DEG C, naturally cool to room temperature, place after 24 hours, measure coating performance: paint film appearance flat smooth, surface tinted is consistent, without particle, pin hole, bubble, wrinkle; Sticking power reaches 1 grade, and resistance to neutral salt spray 2000 hours is without exception, and resistance to impact shock is greater than 60cm.
Claims (2)
1. one kind is added the powder coating of nano titanium oxide ultraviolet aging resistance, it is characterized in that, be made up of the raw material of following weight part: hydroxy polyester resin 52-54, fluorocarbon resin 7-8, isocyanuric acid three-glycidyl ester 4-5, nano-aluminium oxide 13-15, perfluoro capryl triethoxyl silane 0.8-0.9, concentration is the ethanolic soln 25-30 of 75wt%, silane coupling agent kh5600.5-0.6, rutile type nano titanic oxide 15-17, aluminate coupling agent F10.2-0.25, delustring micro mist wax 3-4, amorphism silicon-dioxide 0.8-1, carboxymethyl cellulose 1.5-2, glass powder with low melting point 4-5, deionized water is appropriate.
2. a kind of powder coating adding nano titanium oxide ultraviolet aging resistance according to claim 1, is characterized in that, be prepared from by following concrete steps:
(1) nano-aluminium oxide is put into the ethanolic soln that concentration is 75wt%, dispersed with stirring is even, then perfluoro capryl triethoxyl silane is added, reflux 2-2.5 hour, adds silane coupling agent kh560 after cooling, continue stirring reaction 2-3 hour, last underpressure distillation, slough the solvent in system, with the dry 60-80 minute of the temperature of 80-85 DEG C in vacuum drying oven, obtain active nano aluminium sesquioxide;
(2) by rutile type nano titanic oxide in putting into loft drier with the dry 2-2.5 hour of the temperature of 130-150 DEG C, then put into high-speed mixer, be heated to 70-80 DEG C, add aluminate coupling agent F1 while stirring, be warming up to 110-120 DEG C again, stir 20-30 minute with the speed of 1000 revs/min, continue to be warming up to 130-140 DEG C, continue to stir 20-30 minute, discharging, with deionized water wash, put into the dry rear grinding of baking oven, obtain powder for subsequent use; Glass powder with low melting point is put into ball mill, dry grinds and add delustring micro mist wax after 20-30 minute, add appropriate deionized water, continue ball milling 40-50 minute, take out post-drying grinding and mix with above-mentioned powder, obtain modified filler;
(3) hydroxy polyester resin, fluorocarbon resin, isocyanuric acid three-glycidyl ester are put into after homogenizer stirs 20-30 minute with the speed of 1000 revs/min and added active nano aluminium sesquioxide and modified filler, continue to stir discharging after 10-15 minute, compound is sent into twin screw melt extruder, continue to add all the other remaining components, melt extrude, compressing tablet, obtained fine powder through pulverizing 180 mesh sieves and get final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510865404.1A CN105462452A (en) | 2015-12-02 | 2015-12-02 | Anti-ultraviolet and anti-aging powder coating added with nano titanium dioxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510865404.1A CN105462452A (en) | 2015-12-02 | 2015-12-02 | Anti-ultraviolet and anti-aging powder coating added with nano titanium dioxide |
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| Publication Number | Publication Date |
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| CN105462452A true CN105462452A (en) | 2016-04-06 |
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| CN201510865404.1A Withdrawn CN105462452A (en) | 2015-12-02 | 2015-12-02 | Anti-ultraviolet and anti-aging powder coating added with nano titanium dioxide |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107571571A (en) * | 2017-08-28 | 2018-01-12 | 贵州精正检测有限公司 | Anticorrosion structure and load bearing wall |
| CN112920683A (en) * | 2021-02-23 | 2021-06-08 | 济南润德医用工程有限公司 | Environment-friendly self-cleaning high-performance ceramic powder material and preparation method thereof |
| CN113637394A (en) * | 2021-08-11 | 2021-11-12 | 安徽桑瑞斯环保新材料有限公司 | Powder coating with high salt spray corrosion resistance and preparation method thereof |
| CN115044283A (en) * | 2022-07-29 | 2022-09-13 | 东莞市美宸纳米材料有限公司 | Super-durable polyester powder coating composition |
| CN115353754A (en) * | 2022-09-26 | 2022-11-18 | 福建乐钛科技有限公司 | Preparation method of titanium dioxide for polyester color master batch |
| CN116355471A (en) * | 2023-03-31 | 2023-06-30 | 广东晟毅新材料科技有限公司 | Super-hydrophobic coating, super-hydrophobic glass and super-hydrophobic toughened glass and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101445692A (en) * | 2008-10-09 | 2009-06-03 | 四川大学 | Super weatherability nano-compound modified polyester powder coating and preparation method thereof |
| CN101671518A (en) * | 2009-08-14 | 2010-03-17 | 老虎粉末涂料制造（太仓）有限公司 | Powder coating with super-weathering resistance, preparation method and application thereof |
-
2015
- 2015-12-02 CN CN201510865404.1A patent/CN105462452A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101445692A (en) * | 2008-10-09 | 2009-06-03 | 四川大学 | Super weatherability nano-compound modified polyester powder coating and preparation method thereof |
| CN101671518A (en) * | 2009-08-14 | 2010-03-17 | 老虎粉末涂料制造（太仓）有限公司 | Powder coating with super-weathering resistance, preparation method and application thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107571571A (en) * | 2017-08-28 | 2018-01-12 | 贵州精正检测有限公司 | Anticorrosion structure and load bearing wall |
| CN107571571B (en) * | 2017-08-28 | 2019-11-01 | 首钢水城钢铁(集团)赛德建设有限公司 | Anticorrosion structure and load bearing wall |
| CN112920683A (en) * | 2021-02-23 | 2021-06-08 | 济南润德医用工程有限公司 | Environment-friendly self-cleaning high-performance ceramic powder material and preparation method thereof |
| CN113637394A (en) * | 2021-08-11 | 2021-11-12 | 安徽桑瑞斯环保新材料有限公司 | Powder coating with high salt spray corrosion resistance and preparation method thereof |
| CN115044283A (en) * | 2022-07-29 | 2022-09-13 | 东莞市美宸纳米材料有限公司 | Super-durable polyester powder coating composition |
| CN115353754A (en) * | 2022-09-26 | 2022-11-18 | 福建乐钛科技有限公司 | Preparation method of titanium dioxide for polyester color master batch |
| CN116355471A (en) * | 2023-03-31 | 2023-06-30 | 广东晟毅新材料科技有限公司 | Super-hydrophobic coating, super-hydrophobic glass and super-hydrophobic toughened glass and preparation method thereof |
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