CN105733415A - Full-solid-content low-energy curing sector-shaped shower coating UV coating and preparation method thereof - Google Patents
Full-solid-content low-energy curing sector-shaped shower coating UV coating and preparation method thereof Download PDFInfo
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- CN105733415A CN105733415A CN201610229559.0A CN201610229559A CN105733415A CN 105733415 A CN105733415 A CN 105733415A CN 201610229559 A CN201610229559 A CN 201610229559A CN 105733415 A CN105733415 A CN 105733415A
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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
- C09D163/10—Epoxy resins modified by unsaturated compounds
-
- 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
- C09D7/20—Diluents or solvents
-
- 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
- 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)
- Paints Or Removers (AREA)
Abstract
The invention belongs to the field of ultraviolet curing new materials, and relates to a sector-shaped shower coating ultraviolet (UV) curing coating mainly applied to coating of the surfaces of special-shaped workpieces, in particular to a full-solid-content low-ultraviolet-energy curing UV coating used for the special-shaped workpieces such as special-shaped carpentry workpieces and special-shaped plastic workpieces.The full-solid-content low-energy curing sector-shaped shower coating UV coating does not contain a volatile organic solvent and is free of pollution to the environment; curing can be achieved only with 40 mj/cm<2> ultraviolet energy, a sector-shaped shower coating construction mode can be adopted, one or more surfaces of the special-shaped workpieces serve as overall construction procedure segments, complex construction procedures of multi-face repeated machining in traditional procedures are avoided, the advantages of being high in efficiency, low in energy consumption, free of emission and environmentally friendly are achieved, the limitation that the special-shaped workpieces are mainly coated with traditional solvent type coatings is broken, and the remarkable advantages of being environmentally friendly, efficient and high in cost performance, saving energy and the like are achieved.
Description
Technical field
The invention belongs to ultraviolet light polymerization field of new, the fan-shaped showering ultraviolet light (UV) relating to being mainly used in abnormal workpieces external coating is coating material solidified, it is specifically related to a kind of for abnormal workpieces, such as the UV coating of the full solid content of the special-shaped application such as woodenware workpiece, profiled plastic workpiece application, low ultraviolet energy-curable.
Background technology
At present, special-shaped woodenware workpiece such as timber architrave line, moulding, timber floor are kept a foothold line, photo frame etc., and the main mode adopting veneer cladding is decorated, and the following process of the special-shaped woodenware workpiece that veneer pastes mainly adopts polyurethane solvent type coating to be main.Traditional polyurethane solvent type coating contains the volatile organic solvent of 50-60%, environment causes serious pollution, and the healthy of workmen is caused great harm；The application of conventional urethane coating adopts the spraying in more than continuous three roads, polishing, need to take through longer production cycle, substantial amounts of recruitment demand and place, and production efficiency is low, and processing cost is too high.Therefore traditional solvent-borne coating can not well be applied in the above case said, need to develop that a kind of efficiency of construction is high, Environmentally friendly coatings without volatile organic solvent, full solid content.
Along with constantly bringing forth new ideas of coating industry technology, the ultraviolet light (UV) grown up gradually after above-mentioned traditional solvent-borne coating is coating material solidified and water paint, and especially the range of application of ultraviolet-curing paint is more and more extensive.UV coating have high solids content, fast setting, low emission, pollution less, the distinguishing feature such as production line balance, paint film property be excellent.At present, UV coating is widely used to woodwork coating field, the aspect such as including timber floor, wooden furniture, timber, making wood twig, special-shaped woodenware workpiece, has the development trend replacing traditional solvent-borne coating gradually.Therefore, the complete of a kind of woodenware Workpiece coating need to be developed consolidate containing UV coating to replace traditional solvent-borne coating.
The main component of ultraviolet-curing paint generally comprises light trigger, oligomer, reactive diluent and various additives, its curing mechanism is to absorb ultraviolet light by light trigger and produce free radical or cation, cause oligomer and reactive diluent that polymerization and cross-linking reaction occur, form cancellated film.UV coating need to use uv radiation curing, at present, the light source of ultraviolet radiation equipment commonly uses economic and practical high voltage mercury lamp, the UV energy accounting about 30% of its generation, it is wherein infrared energy greatly, substantial amounts of infrared energy makes the abnormal workpieces surface temperature in solidification process too high and causes workpiece impaired, special-shaped woodenware product in particular by veneer cladding, the too high in the curing process temperature of coating easily causes veneer degumming and bubbles, and produces the product quality problems such as poor adhesive force.For reducing the temperature harmful effect to woodenware product in solidification process, ultraviolet radiation equipment adopt filtering device stop infrared ray radiation to reach the purpose of cooling to surface of the work, and significant portion ultraviolet light is also filtered by filtering device filtering ultrared while, greatly reduce the ultraviolet radiation energy of coating.Therefore the common UV coating products adopting the special-shaped woodenware Workpiece coating of veneer cladding can not well be applied in the above case said, it is necessary to develops the UV coating that a kind of low ultraviolet is energy radiation curing.
At present, along with the development of home decoration industry, special-shaped woodenware, plastic product kind also day by day various, moulding is also maked rapid progress.In the course of processing to abnormal workpieces, when carrying out multiaspect application for the abnormal workpieces of different shaping, control due to production efficiency, processing cost, the form of construction work of common coating is greatly limited, traditional spraying coating process can only be adopted to carry out application, and painting effect leaching coating process better, in hgher efficiency can not use.Therefore the common UV coating products of abnormal workpieces application can not well be applied in the above case said, need to develop a kind of UV coating adopting fan-shaped showering coating process.
The situation of comprehensive abnormal workpieces processing technique at present, traditional handicraft is primarily present following deficiency:
1. traditional solvent-borne PU coating VOC is higher, and environmental pollution is serious, and the healthy harm of workmen is serious；
2. traditional solvent-borne PU coating process is loaded down with trivial details, energy consumption is high, production efficiency is low, and processing cost is high；
3. common UV coating is on abnormal workpieces during coated solidified, it is necessary to use the high voltage mercury lamp producing high UV energy, and its a large amount of infrared energy additionally produced can make abnormal workpieces surface temperature too high and cause workpiece impaired；
4. abnormal workpieces moulding is of a great variety, need to carry out multiaspect add man-hour simultaneously to improve production efficiency, can only adopt spraying coating process, and the leaching coating process that painting effect is good, production efficiency is high is extremely restricted.
For defect and the deficiency of abnormal workpieces tradition coating process, abnormal workpieces application ultraviolet light coating need to be made some breakthrough following:
1. the exploitation Environmentally friendly coatings without volatile organic solvent, full solid content；
2. optimize abnormal workpieces coating process, using some or multiple surface of abnormal workpieces as integral construction program segment, improve production efficiency；
3. develop the ultraviolet-curing paint of Lower Energy Consumption Curing, reduce workpiece surface temperature in solidification process, it is to avoid workpiece is impaired because of high temperature；
4. optimize coating application performance, improve the surface effect after paint spraying, adopt the better leaching coating process of painting effect.
Summary of the invention
The technical problem to be solved in the present invention is: in order to solve the performance deficiency that in above-mentioned technical background, existing abnormal workpieces coating process exists, it is provided that a kind of complete solid containing Lower Energy Consumption Curing sector showering UV coating.
The wherein formula of abnormal workpieces application ultraviolet-curing paint, is configured to ultraviolet-curing paint according to conditions such as specific coating process, condition of cure, properties of product.
The technical solution adopted for the present invention to solve the technical problems is: provide a kind of complete solid containing Lower Energy Consumption Curing sector showering UV coating, adopt the coating process of fan-shaped showering, carry out one or multi-channel application using some or multiple surface of abnormal workpieces as integral construction program segment, solidify then through low-yield ultraviolet radiation equipment.In the application of abnormal workpieces, the coating process of fan-shaped showering is adopted to carry out one or multi-channel application using some or multiple surface of abnormal workpieces as integral construction program segment, then through polishing sanding, then enter back into next process and carry out application, all need after the ultraviolet-curing paint application of each of which road to solidify through low-yield ultraviolet radiation equipment.
It is a feature of the present invention that:
Abnormal workpieces application ultraviolet-curing paint prescription quality percentage ratio is as follows:
Modified epoxy acrylic ester: 10-30%
Low-viscosity polyurethane acrylate: 5-20%
High-functionality polyester acrylate: 5-30%
Pentaerythritol triacrylate: 5-15%
Tripropylene glycol class diacrylate: 10-30%
Other auxiliary agents: 1-2%
Pulvis Talci: 1-10%
Transparent powder: 1-10%
Gas silicon: 0.3-1%
Light trigger I: 2-8%
Light trigger II: 1-5%
Reactive amines: 1-5%
Modified epoxy acrylic ester resin produces for my company's independent research, and model is JS217P75；Low-viscosity polyurethane acrylate is that our company's independent research produces, and model is JS206；High-functionality polyester acrylate is that our company's independent research produces, and model is JS301.Light trigger I is crack type photoinitiator 2-hydroxy-2-methyl-1-phenyl-1-phenylacetone；Light trigger II is hydrogen-capture-type light initiator benzophenone, with reactive amines with the use of promoting that coating surface solidifies；Wherein auxiliary agent mainly includes dispersant, defoamer, levelling agent etc., and its using method is those skilled in the art conventional usage, consumption, therefore is not described in detail in this.
Abnormal workpieces application ultraviolet-curing paint mainly adopts modified epoxy acrylic ester, low-viscosity polyurethane acrylate, high-functionality polyester acrylate, pentaerythritol triacrylate, tripropylene glycol class diacrylate to be film forming binder.This film forming binder mainly through regulate modified epoxy acrylic ester, low-viscosity polyurethane acrylate, high-functionality polyester acrylate, pentaerythritol triacrylate, tripropylene glycol class diacrylate mass percent regulate the pliability of coating, levelability, hardness and curing rate, and form abnormal workpieces application with complete solid containing, low-yield solidification, the UV coating that fan-shaped leaching coating process application can be adopted.
In the present invention, modified epoxy acrylic ester resin produces for my company's independent research, and model is JS217P75.This modified epoxy acrylate has fast setting and the feature of good paint film flexibility concurrently, and the paint film for final coating provides toughness, it is prevented that paint film in use produces the disadvantage of be full of cracks.
In the present invention, low-viscosity polyurethane acrylate is that our company's independent research produces, and model is JS206.This resin possesses high functionality, has the advantages that curing rate is fast, and viscosity own is low, improves the mobility of final coating and the crosslink density of paint film and hardness.
In the present invention, high-functionality polyester acrylate is that our company's independent research produces, and model is JS301.This resin has the feature of fast setting, low viscosity, high-flexibility concurrently.
Pentaerythritol triacrylate in the present invention, tripropylene glycol class diacrylate are the reactive diluent of Sanmu Group Co., Ltd., Jiangsu's development & production.Pentaerythritol triacrylate possesses three degrees of functionality, improves crosslink density and the hardness of paint film in formula while providing diluting effect；Tripropylene glycol class diacrylate acts primarily as diluting effect in formula, provides good workability and levelability for coating.
In the present invention, transparent powder, talcous effect are to strengthen the fillibility of coating, hardness, richness and sanding property, and the Pulvis Talci that wherein transparent powder is relatively common has the better transparency in paint film.Adopt those skilled in the art to prepare the conventional transparent powder of UV cure wood coatings, Pulvis Talci all can produce this effect.
The present invention adopts two kinds of light trigger coordinate, make the oligomer in coating and reactive diluent that crosslinking completely, polyreaction to occur.Top layer adopts the hydrogen-capture-type light initiator benzophenone that light-initiated efficiency is high to solidify with the use of promotion coating surface with reactive amines；Middle bottom adopts the crack type photoinitiator 2-hydroxy-2-methyl-1-phenyl-1-phenylacetone that light-initiated efficiency is high.
The profiled piece application of the present invention is as follows by the complete solid preparation method containing the fan-shaped showering UV coating of low-yield solidification: modified epoxy acrylic ester, low-viscosity polyurethane acrylate, high-functionality polyester acrylate, pentaerythritol triacrylate, tripropylene glycol class diacrylate, other auxiliary agents, Pulvis Talci, transparent powder, gas silicon, light trigger I, light trigger II, reactive amines are put into reactor by mass percentage successively, being heated to 60 DEG C～80 DEG C, high speed dispersion stirs 3 hours.
Detailed description of the invention:
The preparation of abnormal workpieces application ultraviolet-curing paint: modified epoxy acrylic ester, low-viscosity polyurethane acrylate, high-functionality polyester acrylate, pentaerythritol triacrylate, tripropylene glycol class diacrylate, other auxiliary agents, Pulvis Talci, transparent powder, gas silicon, light trigger I, light trigger II, reactive amines are put into reactor by mass percentage successively, being heated to 60 DEG C～80 DEG C, high speed dispersion stirs 3 hours.
Further illustrate in conjunction with the embodiments:
Embodiment one:
Modified epoxy acrylic ester: 22%
Low-viscosity polyurethane acrylate: 8%
High-functionality polyester acrylate: 16%
Pentaerythritol triacrylate: 10%
Tripropylene glycol class diacrylate: 22%
Other auxiliary agents: 1.2%
Pulvis Talci: 4%
Transparent powder: 5%
Gas silicon: 0.5%
Light trigger I: 5%
Light trigger II: 2.1%
Reactive amines: 4.2%
Embodiment two:
Modified epoxy acrylic ester: 20%
Low-viscosity polyurethane acrylate: 10%
High-functionality polyester acrylate: 15%
Pentaerythritol triacrylate: 11%
Tripropylene glycol class diacrylate: 21%
Other auxiliary agents: 1%
Pulvis Talci: 5.5%
Transparent powder: 5.5%
Gas silicon: 0.4%
Light trigger I: 4.6%
Light trigger II: 2%
Reactive amines: 4%
Embodiment three:
Modified epoxy acrylic ester: 23%
Low-viscosity polyurethane acrylate: 9%
High-functionality polyester acrylate: 14%
Pentaerythritol triacrylate: 12%
Tripropylene glycol class diacrylate: 20%
Other auxiliary agents: 1.1%
Pulvis Talci: 5%
Transparent powder: 4.5%
Gas silicon: 0.4%
Light trigger I: 4.2%
Light trigger II: 2.2%
Reactive amines: 4.4%
The abnormal workpieces application of above example gained is detected with the complete solid sector showering UV coating containing Lower Energy Consumption Curing, and testing result is following table such as:
| Detection project | Examination criteria and method | Testing result |
| Viscosity (is coated with four glasss, 40 ° of C) | GB/T 1723-93 | 28s |
| Gu containing | GB/T 1725-79 | >99% |
| Solidify energy | UV energy meter | 40mj/cm2 |
| Workpiece solidifies rear surface temperature | Infrared radiation thermometer | <40°C |
| Levelability | JB/T 3998-1999 | 10 grades |
| Cold cycling | GB10592-89 | Four circulations are without exception |
After testing: abnormal workpieces application is 28s by the complete solid viscosity containing Lower Energy Consumption Curing sector showering UV coating, it is adaptable to the application mode of fan-shaped showering, after application, coating surface is smooth, smooth, soft handle；After ultraviolet-curing paint coating uses the low ultraviolet energy radiation of 40mj/cm2, curing of coatings is complete, and surface temperature is lower than 40 DEG C, and abnormal workpieces is without the product quality problem such as degumming, bubbling.Abnormal workpieces application by strict design, can adopt the application mode of fan-shaped showering with the complete solid formula containing Lower Energy Consumption Curing sector showering UV coating, and after coated solidified, properties of product are excellent, and alternative tradition PU solvent based coating has wide market prospect.
Embodiment of the present invention is only the description that the preferred embodiment of the present invention is carried out; not present inventive concept and scope are defined; under the premise without departing from design philosophy of the present invention; various modification that technical scheme is made by those skilled in the art and improvement; protection scope of the present invention all should be fallen into; the technology contents that the present invention is claimed, all records in detail in the claims.
Claims (5)
1. the present invention provides: a kind of complete solid containing Lower Energy Consumption Curing sector showering UV coating and preparation method thereof.
2. a kind of complete solid sector showering UV coating containing Lower Energy Consumption Curing according to claim 1 is characterised by, its prescription quality percentage ratio is:
Modified epoxy acrylic ester: 10-30%
Low-viscosity polyurethane acrylate: 5-20%
High-functionality polyester acrylate: 5-30%
Pentaerythritol triacrylate: 5-15%
Tripropylene glycol class diacrylate: 10-30%
Other auxiliary agents: 1-2%
Pulvis Talci: 1-10%
Transparent powder: 1-10%
Gas silicon: 0.3-1%
Light trigger No. I: 2-8%
Light trigger No. II: 1-5%
Reactive amines: 1-5%.
3. a kind of complete solid preparation method containing Lower Energy Consumption Curing sector showering UV coating according to claim 1, it is characterized in that: modified epoxy acrylic ester, low-viscosity polyurethane acrylate, high-functionality polyester acrylate, pentaerythritol triacrylate, tripropylene glycol class diacrylate, other auxiliary agents, Pulvis Talci, transparent powder, gas silicon, light trigger I, light trigger II, reactive amines are put into reactor by mass percentage successively, being heated to 60 DEG C～80 DEG C, high speed dispersion stirs 3 hours.
4. the fan-shaped showering UV coating of a kind of complete solid solidification containing low amounts according to claim 2,3 is characterized in that: modified epoxy acrylic ester resin produces for my company's independent research, and model is JS217P75；Low-viscosity polyurethane acrylate is that our company's independent research produces, and model is JS206；Polyester acrylate is that our company's independent research produces, and model is JS301；Light trigger I is crack type photoinitiator 2-hydroxy-2-methyl-1-phenyl-1-phenylacetone；Light trigger II is hydrogen-capture-type light initiator benzophenone, with reactive amines with the use of promoting that coating surface solidifies；Wherein auxiliary agent includes dispersant, defoamer, levelling agent.
5. a kind of complete solid coating process containing Lower Energy Consumption Curing sector showering UV coating according to claim 1, it is characterised in that: it is fan-shaped showering.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610229559.0A CN105733415A (en) | 2016-04-14 | 2016-04-14 | Full-solid-content low-energy curing sector-shaped shower coating UV coating and preparation method thereof |
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| CN201610229559.0A CN105733415A (en) | 2016-04-14 | 2016-04-14 | Full-solid-content low-energy curing sector-shaped shower coating UV coating and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111334172A (en) * | 2020-04-21 | 2020-06-26 | 中山市中益油墨涂料有限公司 | Environment-friendly quick-drying low-odor UV-LED gloss oil and preparation method thereof |
| CN111500160A (en) * | 2020-04-30 | 2020-08-07 | 青岛展辰新材料有限公司 | Solvent-free spraying low-light-level curing UV transparent primer and preparation method and application thereof |
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2016
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| CN102732133A (en) * | 2012-06-29 | 2012-10-17 | 惠州市长润发涂料有限公司 | Anti-sagging spraying prime coat |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111334172A (en) * | 2020-04-21 | 2020-06-26 | 中山市中益油墨涂料有限公司 | Environment-friendly quick-drying low-odor UV-LED gloss oil and preparation method thereof |
| CN111500160A (en) * | 2020-04-30 | 2020-08-07 | 青岛展辰新材料有限公司 | Solvent-free spraying low-light-level curing UV transparent primer and preparation method and application thereof |
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Application publication date: 20160706 |
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