CN104479515A - Environment-friendly polyester coating for aluminum-plastic composite panel and preparation method of coating - Google Patents
Environment-friendly polyester coating for aluminum-plastic composite panel and preparation method of coating Download PDFInfo
- Publication number
- CN104479515A CN104479515A CN201410760408.9A CN201410760408A CN104479515A CN 104479515 A CN104479515 A CN 104479515A CN 201410760408 A CN201410760408 A CN 201410760408A CN 104479515 A CN104479515 A CN 104479515A
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- Prior art keywords
- coating
- mixed solvent
- polyester resin
- agent
- titanium dioxide
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Classifications
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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
- C09D5/08—Anti-corrosive paints
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- 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
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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)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses an environment-friendly polyester coating for an aluminum-plastic composite panel and a preparation method of the coating. The coating is prepared from the following components in percentage by mass: 40-50% of saturated polyester resin, 5-8% of enclosed curing agent, 0.1-0.3% of organic tin catalyst, 28-32% of titanium dioxide, 0.5-1% of epoxy phosphate resin, 0.5-1% of antioxidant, 0.5-1% of ultraviolet light absorber, 1-3% of other auxiliaries and 12-20% of mixed solvent; the components are selected according to the formula, and the saturated polyester resin, the mixed solvent and the auxiliaries are put into a mixer for primary mixing; the titanium dioxide and the mixed solvent are added to the mixer for secondary mixing; the mixture is ground by use of a basket mill to obtain a semi-finished product; the semi-finished product and the other components of the formula are added for third mixing and dispersed evenly to obtain the finished product; the environment-friendly polyester coating can be used independently as an aluminum-plastic composite panel finishing coat or as a UV jet-ink primer, so that the application range of the UV jet-ink is expanded.
Description
Technical field
The present invention relates to environmental protection coating material preparing technical field, particularly a kind of composited aluminum and plastic decking environmental protection polyester coating being applicable to UV painting printing ink priming paint.
Background technology
The market pre-roll coat enamel of existing polyester has been widely used in the building material field such as inner wall decoration plate, billboard and aluminum ceiling, and along with the continuous change in market, its range of application is also more and more extensive.As during for composited aluminum and plastic decking, can paint on plate with UV ink some words of air brushing or pattern, be applied to exhibition room decoration or upholstery, but existing polyester coating coating generally there will be ink printing does not go up or UV coating has depainting phenomenon after printing when the air brushing of UV ink.
Existing composited aluminum and plastic decking polyester coating adopts saturated polyester resin-full methyl-etherified aminoresin-acid catalyst crosslinking reaction mostly when formulating of recipe, have degree of crosslinking high, the characteristics such as hardness is good, and chemical-resistant is excellent; And UV ink have poor adhesive force, easily crisp, color on aluminium cover power difference, water boiling resistance difference etc. characteristic.Make priming paint with existing polyester coatings, there is the problem of ply adhesion difference in air brushing UV ink in coating.
Summary of the invention
The object of the invention is the shortcoming in order to overcome above-mentioned background technology, a kind of composited aluminum and plastic decking environmental protection polyester coating being applicable to UV painting printing ink priming paint and preparation method thereof is provided.
Technical scheme of the present invention is: a kind of composited aluminum and plastic decking environmental protection polyester coating, and the mass percent that this coating comprises component and component is: saturated polyester resin: 40 ~ 50%, blocked curing agent: 5 ~ 8%, organotin catalysts: 0.1 ~ 0.3%, titanium dioxide: 28 ~ 32%, epoxy phosphate ester resin: 0.5 ~ 1%, antioxidant: 0.5 ~ 1%, UV light absorber: 0.5 ~ 1%, other auxiliary agent: 1 ~ 3%, mixed solvent: 12 ~ 20%.
Described saturated polyester resin to be solids content be 60% high durable liquid unsaturated polyester resin; The mixed solvent of mixed solvent to be proportioning be ethylene glycol monobutyl ether 5%, pimelinketone 30%, trimethylbenzene 40%, 1-Methoxy-2-propyl acetate 10%, polyvalent alcohol dibasic ester 15%, is used for adjusting solid content and the viscosity of coating; Described titanium dioxide is rutile titanium dioxide powder, for providing painting color, intercepting ultraviolet, improving coating weatherability; Described blocked curing agent is take hexamethylene diisocyanate as the crosslinked oven dry urethane resin of base-material, carries out crosslinking reaction with saturated polyester resin, makes film be combined into fine and close reticulated structure; Described organotin catalysts is dibutyl tin dilaurate, accelerates the speed of response of vibrin and solidifying agent; Described antioxidant and UV light absorber mainly increase film resistance of oxidation out of doors and weather-proof time; Described epoxy phosphate ester resin can promote the attachment of film on aluminium, promotes the water boiling resistance of film, salt fog resistance and other chemical-resistant; Other described auxiliary agent comprises wetting dispersing agent 0.4 ~ 1%, defoamer 0.3% ~ 1%, and flow agent 0.3 ~ 1% can adjust coating application performance, improves film froth breaking, levelling effect, promotes the sticking power etc. between film and base material.
A preparation method for composited aluminum and plastic decking environmental protection polyester coating, the method concrete steps are as follows:
(1) once stir after liquid unsaturated polyester resin being added part mixed solvent, dispersion agent, defoamer; Stirrer speed setting is 400 ~ 600 revs/min, and churning time is set as 2 ~ 5 minutes;
(2) finely dispersed mixing solutions after stirring, carry out high-speed stirring after putting into titanium dioxide and part mixed solvent, stirrer speed setting is 1000 ~ 1200 revs/min, and churning time is set as 20 ~ 30 minutes;
(3) mixing solutions after high-speed stirring will be carried out, put into basket type sand mill to grind, the speed setting of basket type sand mill is 1200 ~ 1500 revs/min, milling time is set as 2 ~ 3 hours, fineness is detected with grindometer, particle diameter stops grinding after being less than 12 microns, saturated polyester resin in rear input formula, blocked curing agent, organotin catalysts, epoxy phosphate ester resin, antioxidant, UV light absorber, flow agent and mixed solvent, recycling stirrer carries out third time and stirs, the machine speed setting of mixing is 400 ~ 600 revs/min, churning time is set as 10 ~ 15 minutes.
The invention has the beneficial effects as follows: film of the present invention and the ply adhesion of UV painting printing ink excellent, improve other performances such as the water boiling resistance of UV ink coating on aluminium; By adding antioxidant in the present invention's formula, UV light absorber improves the weathering resistance of film; Also added a small amount of epoxy phosphate ester resin simultaneously, improve water boiling resistance and the chemical-resistant of film; And selected material all meets ROHS environmental requirement.
Embodiment
Embodiment 1: a kind of composited aluminum and plastic decking environmental protection polyester coating, the component in its formula and mass percent thereof are: saturated polyester resin 45%, organic solvent 15.5%, rutile titanium dioxide powder 30%, blocked curing agent 6%, dispersion agent 0.5%, defoamer 0.5%, epoxy phosphate ester resin 0.8%, antioxidant 0.5%, UV light absorber 0.5%, flow agent 0.5%, organotin catalysts 0.2%.
The preparation method of this environmental protection polyester coating comprises the following steps:
(1), according to formula choose each component, sequentially drop into saturated polyester resin, mixed solvent, dispersion agent, defoamer, put into stirrer and once stir, be uniformly dispersed, when once stirring, the rotating speed of stirrer is 400 revs/min, and churning time is 2 minutes;
(2), rutile titanium dioxide powder, mixed solvent add stirrer and carry out secondary stirring after completing by step (1), and obtain mixture, during secondary stirring, the rotating speed of stirrer is 1000 revs/min, and churning time is 20 minutes;
(3), the mixture that step (2) obtains is put into basket type sand mill to grind, during grinding, the rotating speed of basket type sand mill is 1200 revs/min, and milling time is 2 hours, detect after mixture particle diameter is less than 12 microns with grindometer and stop grinding, obtain work in-process;
(4) in the work in-process, by step (3) obtained and formula, all the other components add stirrer together and carry out triple mixing, and during triple mixing, the rotating speed of stirrer is 500 revs/min, and churning time is 10 minutes, obtains finished product after being uniformly dispersed.
Formula material addition step:
Step 1, successively input saturated polyester resin 200KG, mixed solvent 80KG, dispersion agent 5KG, defoamer 5KG;
Step 2, once to stir, stirrer rotating speed 400-600 rev/min, churning time 2-5 minute;
Step 3, successively input titanium dioxide 300KG, mixed solvent 30KG;
Step 4, secondary stirring, stirrer rotating speed 1000-1200 rev/min, churning time 20-30 minute;
Step 5, put into basket type sand mill grinding, basket type sand mill rotating speed 1200 ~ 1500 revs/min, milling time is set as 2 ~ 3 hours, and grindometer detects when fineness is less than 12 microns and stops grinding;
Step 6, successively input saturated polyester resin 250KG, blocked curing agent 60KG, organotin catalysts 2KG, epoxy phosphate ester resin 8KG, antioxidant 5KG, UV light absorber 5KG, flow agent 5KG, mixed solvent 45KG;
Step 7, triple mixing, stirrer rotating speed 400 ~ 600 revs/min, churning time is set as 10 ~ 15 minutes.
Embodiment 2: a kind of composited aluminum and plastic decking environmental protection polyester coating, the component in its formula and mass percent thereof are: saturated polyester resin 40%, organic solvent 16.3%, rutile titanium dioxide powder 32%, blocked curing agent 7%, dispersion agent 0.8%, defoamer 0.3%, epoxy phosphate ester resin 1%, antioxidant 1%, UV light absorber 1%, flow agent 0.3%, organotin catalysts 0.3%.
The preparation method of this environmental protection polyester coating comprises the following steps:
(1), according to formula choose each component, sequentially drop into saturated polyester resin, mixed solvent, dispersion agent, defoamer, put into stirrer and once stir, be uniformly dispersed, when once stirring, the rotating speed of stirrer is 400 revs/min, and churning time is 2 minutes;
(2), rutile titanium dioxide powder, mixed solvent add stirrer and carry out secondary stirring after completing by step (1), and obtain mixture, during secondary stirring, the rotating speed of stirrer is 1000 revs/min, and churning time is 20 minutes;
(3), the mixture that step (2) obtains is put into basket type sand mill to grind, during grinding, the rotating speed of basket type sand mill is 1200 revs/min, milling time is 2 hours, detects after mixture particle diameter is less than 12 microns and stops grinding, obtain work in-process with grindometer;
(4) in the work in-process, by step (3) obtained and formula, all the other components add stirrer together and carry out triple mixing, and during triple mixing, the rotating speed of stirrer is 500 revs/min, and churning time is 10 minutes, obtains finished product after being uniformly dispersed.
Formula material addition step:
Step 1, successively input saturated polyester resin 200KG, mixed solvent 70KG, dispersion agent 8KG, defoamer 3KG;
Step 2, once to stir, stirrer rotating speed 400-600 rev/min, churning time 2-5 minute;
Step 3, successively input titanium dioxide 320KG, mixed solvent 40KG;
Step 4, secondary stirring, stirrer rotating speed 1000-1200 rev/min, churning time 20-30 minute;
Step 5, put into basket type sand mill grinding, basket type sand mill rotating speed 1200 ~ 1500 revs/min, milling time is set as 2 ~ 3 hours, and grindometer detects when fineness is less than 12 microns and stops grinding;
Step 6, successively input saturated polyester resin 200KG, blocked curing agent 70KG, organotin catalysts 3KG, epoxy phosphate ester resin 10KG, antioxidant 10KG, UV light absorber 10KG, flow agent 3KG, mixed solvent 53KG;
Step 7, triple mixing, stirrer rotating speed 400 ~ 600 revs/min, churning time is set as 10 ~ 15 minutes.
Assay:
Claims (3)
1. a composited aluminum and plastic decking environmental protection polyester coating, is characterized in that the mass percent that this coating comprises component and component is: saturated polyester resin: 40 ~ 50%, blocked curing agent: 5 ~ 8%, organotin catalysts: 0.1 ~ 0.3%, titanium dioxide: 28 ~ 32%, epoxy phosphate ester resin: 0.5 ~ 1%, antioxidant: 0.5 ~ 1%, UV light absorber: 0.5 ~ 1%, other auxiliary agent: 1 ~ 3%, mixed solvent: 12 ~ 20%.
2. a kind of composited aluminum and plastic decking environmental protection polyester coating according to claim 1, is characterized in that described saturated polyester resin to be solids content is the high durable liquid unsaturated polyester resin of 60%; The mixed solvent of mixed solvent to be proportioning be ethylene glycol monobutyl ether 5%, pimelinketone 30%, trimethylbenzene 40%, 1-Methoxy-2-propyl acetate 10%, polyvalent alcohol dibasic ester 15%, is used for adjusting solid content and the viscosity of coating; Described titanium dioxide is rutile titanium dioxide powder, for providing painting color, intercepting ultraviolet, improving coating weatherability; Described blocked curing agent is take hexamethylene diisocyanate as the crosslinked oven dry urethane resin of base-material, carries out crosslinking reaction with saturated polyester resin, makes film be combined into fine and close reticulated structure; Described organotin catalysts is dibutyl tin dilaurate, accelerates the speed of response of vibrin and solidifying agent; Described antioxidant and UV light absorber mainly increase film resistance of oxidation out of doors and weather-proof time; Described epoxy phosphate ester resin can promote the attachment of film on aluminium, promotes the water boiling resistance of film, salt fog resistance and other chemical-resistant; Other described auxiliary agent comprises wetting dispersing agent 0.4 ~ 1%, defoamer 0.3% ~ 1%, and flow agent 0.3 ~ 1% can adjust coating application performance, improves film froth breaking, levelling effect, promotes the sticking power etc. between film and base material.
3. a composited aluminum and plastic decking preparation method for environmental protection polyester coating, is characterized in that the method concrete steps are as follows:
(1) once stir after liquid unsaturated polyester resin being added part mixed solvent, dispersion agent, defoamer; Stirrer speed setting is 400 ~ 600 revs/min, and churning time is set as 2 ~ 5 minutes;
(2) finely dispersed mixing solutions after stirring, carry out high-speed stirring after putting into titanium dioxide and part mixed solvent, stirrer speed setting is 1000 ~ 1200 revs/min, and churning time is set as 20 ~ 30 minutes;
(3) mixing solutions after high-speed stirring will be carried out, put into basket type sand mill to grind, the speed setting of basket type sand mill is 1200 ~ 1500 revs/min, milling time is set as 2 ~ 3 hours, fineness is detected with grindometer, particle diameter stops grinding after being less than 12 microns, saturated polyester resin in rear input formula, blocked curing agent, organotin catalysts, epoxy phosphate ester resin, antioxidant, UV light absorber, flow agent and mixed solvent, recycling stirrer carries out third time and stirs, the machine speed setting of mixing is 400 ~ 600 revs/min, churning time is set as 10 ~ 15 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410760408.9A CN104479515A (en) | 2014-12-12 | 2014-12-12 | Environment-friendly polyester coating for aluminum-plastic composite panel and preparation method of coating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410760408.9A CN104479515A (en) | 2014-12-12 | 2014-12-12 | Environment-friendly polyester coating for aluminum-plastic composite panel and preparation method of coating |
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| CN104479515A true CN104479515A (en) | 2015-04-01 |
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| CN201410760408.9A Pending CN104479515A (en) | 2014-12-12 | 2014-12-12 | Environment-friendly polyester coating for aluminum-plastic composite panel and preparation method of coating |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105925166A (en) * | 2016-06-02 | 2016-09-07 | 广州慧谷工程材料有限公司 | Solvent type high-corrosion-resistance primer base for household appliance, preparation method and application thereof |
| CN110713778A (en) * | 2019-11-08 | 2020-01-21 | 上海昱彩包装材料有限公司 | High-storage-stability high-gloss iron printing coating |
| CN113831800A (en) * | 2021-10-28 | 2021-12-24 | 浙江伟星实业发展股份有限公司 | Antibacterial paint spraying coating and surface antibacterial treatment process of button products |
| CN113913099A (en) * | 2021-11-02 | 2022-01-11 | 清远慧谷新材料技术有限公司 | Decorative coating for wire drawing plate and preparation method thereof |
| CN115948073A (en) * | 2023-01-10 | 2023-04-11 | 东莞市毅联电子科技有限公司 | Production process of weather-resistant developing photoresist coating |
| CN117698311A (en) * | 2023-12-12 | 2024-03-15 | 浙江东来包装有限公司 | High-temperature-resistant environment-friendly printing process for aluminum products |
-
2014
- 2014-12-12 CN CN201410760408.9A patent/CN104479515A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105925166A (en) * | 2016-06-02 | 2016-09-07 | 广州慧谷工程材料有限公司 | Solvent type high-corrosion-resistance primer base for household appliance, preparation method and application thereof |
| CN105925166B (en) * | 2016-06-02 | 2018-05-08 | 广州慧谷工程材料有限公司 | A kind of high anti-corrosion household electrical appliances primer base of solvent-borne type and preparation method and application |
| CN110713778A (en) * | 2019-11-08 | 2020-01-21 | 上海昱彩包装材料有限公司 | High-storage-stability high-gloss iron printing coating |
| CN110713778B (en) * | 2019-11-08 | 2021-06-11 | 上海昱彩包装材料有限公司 | High-storage-stability high-gloss iron printing coating |
| CN113831800A (en) * | 2021-10-28 | 2021-12-24 | 浙江伟星实业发展股份有限公司 | Antibacterial paint spraying coating and surface antibacterial treatment process of button products |
| CN113913099A (en) * | 2021-11-02 | 2022-01-11 | 清远慧谷新材料技术有限公司 | Decorative coating for wire drawing plate and preparation method thereof |
| CN115948073A (en) * | 2023-01-10 | 2023-04-11 | 东莞市毅联电子科技有限公司 | Production process of weather-resistant developing photoresist coating |
| CN117698311A (en) * | 2023-12-12 | 2024-03-15 | 浙江东来包装有限公司 | High-temperature-resistant environment-friendly printing process for aluminum products |
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Application publication date: 20150401 |