CN108659684A - A kind of UV radiation curable powder coatings and preparation method thereof and construction technology - Google Patents
A kind of UV radiation curable powder coatings and preparation method thereof and construction technology Download PDFInfo
- Publication number
- CN108659684A CN108659684A CN201810400544.5A CN201810400544A CN108659684A CN 108659684 A CN108659684 A CN 108659684A CN 201810400544 A CN201810400544 A CN 201810400544A CN 108659684 A CN108659684 A CN 108659684A
- Authority
- CN
- China
- Prior art keywords
- powder
- radiation curable
- coating
- powder coatings
- radiation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/06—Unsaturated polyesters having carbon-to-carbon unsaturation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
- B05D3/0263—After-treatment with IR heaters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0413—Heating with air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/12—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by mechanical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
- B05D7/26—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials synthetic lacquers or varnishes
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2320/00—Organic additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2350/00—Pretreatment of the substrate
- B05D2350/30—Change of the surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2502/00—Acrylic polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2601/00—Inorganic fillers
-
- 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
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
Abstract
A kind of UV radiation curable powder coatings and preparation method thereof and construction technology, the paint ingredient include crystallization and semicrystalline composition, acrylic ester polymer, photoinitiator composite, filling powder, titanium dioxide, levelling agent, fluffy powder and polymerization inhibitor.The preparation method (1) is weighed paint ingredient by formula rate；(2) pre-mixing process for entering formula materials obtains being uniformly mixed UV formula materials；(3) enter melting extrusion mixing and cooling and granulation process；(4) enter and be crushed and classified sieving process to get UV radiation curable powder coatings.The coating application process characteristic is constructed using electrostatic spraying.The coating at a lower temperature can fully quick levelling, have hardness height, adhesive force is good, anti-zoned to have excellent performance, comprehensive physical mechanical property is good, and solidification temperature is low and the time is short, is suitable for the application of thermo-sensitive material, and coating recovery utilization rate is high, resource, safety and environmental protection are saved in solvent-free discharge.
Description
Technical field
The present invention relates to uv radiation curing technical field of coatings more particularly to a kind of UV radiation curable powder coatings and
Preparation method and construction technology.
Background technology
The pressure of environment and the energy is changing the kind and structure of Coating Market, powdery paints and the coating material solidified coating of UV
As the energy is saved, the environmental protection coating material of low stain increasingly obtains the attention of people, has become the side of the following Coating Market development
To, however since thermosetting powder coating solidification temperature is high, hardening time is long, is restricted applied to thermo-sensitive material, in addition exists
There are certain overlappings in its melting levelling and curing process, it is difficult to have enough flow times, so it is easy to appear tangerines
Skin, the appearance of films defect such as shrinkage cavity, UV solidification liquid coatings have generally comprised a large amount of UV reactive diluents, these substance releases
Skin and eyes can be stimulated, when application has liquid incorporation ground, and for a long time to surrounding release because shade position can not be consolidated
The volatile component of change leads to paint film later stage degradation and other pollution problems, therefore powdery paints and UV liquid curings apply
Expecting the use in wood furniture neighborhood has its limitation.However, since aqueous one-component coating type in the market is various, commonly
Due to the presence of delustering agent (flatting silica, wax liquor etc.) in single-component water-based full low luster coating, in transparency and water resistance very
Difficulty reaches requirement, to limit the application method of aqueous one-component dumb light woodwork coating in very big level.
Invention content
In view of the deficiencies of the prior art, it is small and can effectively prevent to be to provide a kind of penetrating odor for problem solved by the invention
Only liquid incorporation ground generates the coating material solidified of later stage degradation and pollution problem when application.
For this purpose, the present invention provides a kind of UV radiation curable powder coatings, including following raw material composition:Noncrystalline and half hitch
Crystal form composition, acrylic ester polymer, photoinitiator composite, titanium dioxide, levelling agent, fluffy powder, polymerization inhibitor, are divided into transparent
Series and white series, wherein corresponding each raw material proportion parts by weight are：
Described noncrystalline and semicrystalline composition, acrylic ester polymer is glass transition temperature (Tg) between 45-55 DEG C
Content is that 80 non-crystalline polyester acrylic resins and glass transition temperature (Tg) content between 80-90 DEG C are that 20% semicrystalline is super
Branched polypropylene acid polyester is composed；
Further, the UVECOAT 3000 of the preferred Qing Te companies of the non-crystalline polyester acrylic resin, the hypocrystalline
The UVECOAT 9010 of the preferred Qing Te companies of type hyperbranched propenoic acid polyester.
The photoinitiator composite is 1- hydroxy-cyciohexyls benzophenone (HCPK trade names 184) 2- hydroxy-2-methyls -1-
(4- ethoxys) toluene benzylacetone (HHMP trade names 2959), 2,4,6- trimethylbenzoy-dipheny phosphorous oxides (TPO),
At least one of diphenyl phosphine oxide (819)；
Further, the 1- hydroxy-cyciohexyls benzophenone is the ligacure184 of BASF AG, the 2- hydroxyls -2- first
Base -1- toluene benzylacetones be BASF AG ligacure2959, described 2,4,6- trimethylbenzoy-diphenies oxidation
Phosphorus is the ligacureTPO of BASF AG, and the diphenyl phosphine oxide is the ligacure819 of BASF AG；
The filling powder is talcum powder, preferably 1250 talcum powder of sweet osmanthus board；
The titanium dioxide is rutile titanium dioxide pigment；
Further, the preferably R-595 of the R-706 Mei Lilian companies of E.I.Du Pont Company；
The levelling agent is the dimethyl polysiloxane of functional group containing acrylic；
Further, the preferably BYK3576 of Bi Ke chemical companies；
The fluffy powder is hydrophobic type gas phase silica；
The R972 of further preferred goldschmidt chemical corporation；
The polymerization inhibitor is p-hydroxyanisole.
This UV radiation curable powder coatings at a lower temperature (85~90 DEG C) can fully quick levelling, have hardness
Height, adhesive force is good, anti-zoned to have excellent performance, and comprehensive physical mechanical property is good, and solidification temperature is low and the time is short, is suitable for thermo-sensitive material
Application, coating recovery utilization rate is high, solvent-free discharge, saves resource, safety and environmental protection.
The present invention also provides a kind of preparation methods of UV radiation curable powder coatings, are mixed using melting extrusion in dry method
Prepared by method, be divided into UV radiation curings transparent powder paint and UV radiation curing white powder coating, include the following steps：
(1) UV transparent powder paint formula materials are weighed, weighs each component by weight percentage：Non-crystalline polyester propylene
Acid resin and semicrystalline hyperbranched propenoic acid polyester 79%~94%, photoinitiator composite 4%, filling powder 0-15%,
Levelling agent 1%~1.5%, fluffy powder 0.3%, polymerization inhibitor 0.2%；
UV white powder formulation for coating material materials are weighed, weigh each component by weight percentage：Non-crystalline polyester acrylic acid
Resin and semicrystalline hyperbranched propenoic acid polyester 70~78.5%, photoinitiator composite 5%~5.5%, titanium dioxide 15%
~20%, levelling agent 1%~1.5%, fluffy powder 0.3%, polymerization inhibitor 0.2%；
(2) pre-mixing process for entering formula materials, will transparent powder paint and white powder formulation for coating material component above
It is each respectively according to quantity inside input high-speed mixer dispersion cup, with high-speed mixer grinding dispersion 5~8 minutes, it is equal to obtain mixing
Even UV formula materials；
(3) enter melting extrusion to mix and cooling and granulation process, with containing melt extruder and tabletting cooler and broken
The uniformly mixed UV formula materials are put into powdery paints double screw extruder by the interlocking equipment system of machine Trinity work(
In storage vat, open machine, under the conditions of 70~75 DEG C of temperature melting extrusion immediately entered at modeling shape object, melting extrusion modeling shape object
Cold water cooling bath pipe-line equipment carries out cutting into the particulate matter of 40-80 mesh with pelleter as the UV powder for crushing after cooling down
Coating semi-finished product；
(4) enter and be crushed and classified sieving process, the UV powdery paints semi-finished product are used containing finely divided and classification and mistake
Sieving Trinitarian interlocking equipment production becomes UV powdery paints of the grain size between 17~70um, is radiated up to UV by being sieved
Cured powder paint.
The present invention also provides the construction technologies of above-mentioned UV radiation curable powder coatings, are constructed using electrostatic spraying, step
It is rapid as follows：
(1) it is 4%~7% medium-density plate plank, 400 sand paper polishing dust removal process moisture content, using conventional corona
The charged spray gun that discharges carries out spray-coating construction, and spraying is uniform, 120~150g/m of transparent powder paint coating weight2, white powder
100~130g/m of coating coating weight control2；
(2) enter infrared radiation molten thread, first segment adds stream wind convection type fast at 90~100 DEG C using infra-red radiation
Fast thawing melts 1 minute, and second segment using infrared radiation heating wind convection type in 90~100 DEG C of Flashmelts 1 minute, adopt by third section
Make the abundant levelling of film 1 minute with forced convertion hot wind mode, paint film levelling is controlled at flat smooth mirror effect, temperature 90
~110 DEG C, wherein infrared lamp index wavelength be 0.78~400nm, intermediate waves be 0.8~1.4nm, medium wave be 1.6~
2.6nm, remaining is long wave；
(3) cured into ultraviolet curing machine, transparent powder paint using mercury lamp cure, solidification energy control >=
300mj/m2, white powder coating is using gallium lamp+mercury lamp solidification, and solidification energy control is in >=800mj/m2, workpiece UV powder coatings
It completes.
Specific implementation mode
The specific implementation mode of the present invention is further described with reference to embodiment, but is not the limit to the present invention
It is fixed.
The starting components and formulation by weight (unit of embodiment 1 to 4：Kg) as shown in table 1 below：
Table 1
Above-mentioned formula 1 and formula 2 prepare formula for UV transparent powder paints, and formula 3 and formula 4 are UV white powder coating
Prepare formula.
UV powdery paints requires to store 3~6 months at 40 DEG C or less not lump, and has at a lower temperature good
Flowing and flow leveling, it is therefore desirable to which the glass transition temperature (Tg) of matrix resin and fusing point (TM) should more be closed at 45-85 DEG C
Suitable, average molecular weight is between 1000~4000, if resin glass transition temperature (Tg) is high, system viscosity height is unfavorable for when melting
Levelling and melting, storage process is difficult, if resin glass transition temperature (Tg) is low, is unfavorable for using and storing for coating, above-mentioned to match
9010 fusing points of Fang Suoxuan semicrystalline polyester polymers UVECOAT are 84 DEG C, non-crystalline type polyester polymers UVECOAT3001
Glass transition temperature (Tg) is 47 DEG C, complies fully with requirement, and semicrystalline polyester polymers can significantly reduce molten in formula
The good shelf-stability that melt-viscosity is kept at room temperature simultaneously, but melting temperature is low to will produce flowing down problems, and it is noncrystalline
Type polyester polymers determine to reduce the degree of viscosity, avoid generating flowing down problems, semicrystalline polyester polymers and non-crystalline type
Polyester polymers carry out suitable allotment and have ideal mobility, this implementation case semicrystalline polyester polymers and non-crystalline type
Polyester polymers use 2:8 ratios reach the balance of flowing and sagging.
Above-mentioned clear formula 1 and 2 photoinitiators of formula are used in compounding using Ligacure184 and ligacure2959, from
It can reach by base decomposition rate and with the compatibility of system and preferably cause effect.
Above-mentioned white formulations 3 and formula 4 photoinitiators using ligacure2959 and ligacureTPO with
Ligacure819 is used in compounding, and can reach good surface layer and deep cure performance, ensure that white powder coating is completely solid
Change effect.
Formulation for coating material of the present invention has especially used 2 methyl polysiloxane of functional group containing acrylic of BYK companies recent development
Leveling auxiliary agent3576, can quick minute surface levelling, avoid generating shrinkage cavity disadvantage, above-described embodiment 1~4 is in order to change
Storage stability and dry powder flow into powdery paints also added fluffy powder aerosil, improve storage stability and add
Polymerization inhibitor p-hydroxyanisole is added.
The preparation method of above-mentioned UV radiation curable powder coatings is prepared using melting extrusion mixing method in dry method, under
It includes UV transparent powder paints and UV white powder coating to state preparation method, is included the following steps：
(1) UV transparent powder paint formula materials are weighed, weighs each component by weight percentage：Non-crystalline polyester propylene
Acid resin and semicrystalline hyperbranched propenoic acid polyester 79%~94%, photoinitiator composite 4%, filling powder 0-15%,
Levelling agent 1%~1.5%, fluffy powder 0.3%, polymerization inhibitor 0.2%；
UV white powder formulation for coating material materials are weighed, weigh each component by weight percentage：Non-crystalline polyester acrylic acid
Resin and semicrystalline hyperbranched propenoic acid polyester 70%~78.5%, photoinitiator composite 5%~5.5%, titanium dioxide
15%~20%, levelling agent 1%~1.5%, fluffy powder 0.3%, polymerization inhibitor 0.2%；
(2) pre-mixing process for entering formula materials, will transparent powder paint and white powder formulation for coating material component above
It is each respectively according to quantity inside input high-speed mixer dispersion cup, with high-speed mixer grinding dispersion 5~8 minutes, it is equal to obtain mixing
Even UV formula materials；
(3) enter melting extrusion to mix and cooling and granulation process, with containing melt extruder and tabletting cooler and broken
The uniformly mixed UV formula materials are put into powdery paints double screw extruder by the interlocking equipment system of machine Trinity work(
In storage vat, open machine, under the conditions of 70~75 DEG C of temperature melting extrusion immediately entered at modeling shape object, melting extrusion modeling shape object
Cold water cooling bath pipe-line equipment carries out cutting into the particulate matter of 40-80 mesh with pelleter as the UV powder for crushing after cooling down
Coating semi-finished product；
(4) enter and be crushed and classified sieving process, the UV powdery paints semi-finished product are used containing finely divided and classification and mistake
Sieving Trinitarian interlocking equipment production becomes UV powdery paints of the grain size between 17~70um, is radiated up to UV by being sieved
Cured powder paint.
(85~90 DEG C) can be abundant at a lower temperature for UV radiation curable powder coatings obtained by above-mentioned preparation method
Quick levelling has hardness height, and adhesive force is good, anti-zoned to have excellent performance, and comprehensive physical mechanical property is good, and solidification temperature is low and the time
It is short, it is suitable for the application of thermo-sensitive material, coating recovery utilization rate is high, solvent-free discharge, saves resource, safety and environmental protection.
The present invention also provides the construction technologies of above-mentioned UV radiation curable powder coatings, and its step are as follows：
(1) it is 4%~7% medium-density plate plank, 400 sand paper polishing dust removal process moisture content, using conventional corona
The charged spray gun that discharges carries out spray-coating construction, and spraying is uniform, 120~150g/m of transparent powder paint coating weight2, white powder
100~130g/m of coating coating weight control2；
(2) enter infrared radiation molten thread, first segment adds stream wind convection type fast at 90~100 DEG C using infra-red radiation
Fast thawing melts 1 minute, and second segment using infrared radiation heating wind convection type in 90~100 DEG C of Flashmelts 1 minute, adopt by third section
Make the abundant levelling of film 1 minute with forced convertion hot wind mode, paint film levelling is controlled at flat smooth mirror effect, temperature 90
~110 DEG C, wherein infrared lamp index wavelength be 0.78~400nm, intermediate waves be 0.8~1.4nm, medium wave be 1.6~
2.6nm, remaining is long wave；
(3) cured into ultraviolet curing machine, transparent powder paint using mercury lamp cure, solidification energy control >=
300mj/m2, white powder coating is using gallium lamp+mercury lamp solidification, and solidification energy control is in >=800mj/m2, workpiece UV powder coatings
It completes.
The UV radiation curable powder coatings are made again by above-mentioned by above-mentioned preparation method in 1 Example formulations 1~4 of table
The obtained film performance of construction technology is shown in Table 2.
2 Physical properties of coating film test result of table
2 test result of above table shows that the UV radiation curable powder coatings of the present invention have hardness height, and adhesive force is good, resists
The features such as scuffing ability is excellent, and comprehensive physical mechanical property is good, and chemical resistance is excellent.
Detailed description is made that embodiments of the present invention above in association with embodiment, but the present invention be not limited to it is described
Embodiment.To those skilled in the art, without departing from the principles and spirit of the present invention, to these realities
The mode of applying carries out various change, modification, replacement and modification and still falls in protection scope of the present invention.
Claims (10)
1. a kind of UV radiation curable powder coatings, it is characterised in that：Wherein each material component proportion parts by weight are as follows：Knot
Brilliant with semicrystalline composition, acrylic ester polymer is 79%~94%, photoinitiator composite 4%, filling powder is 0~
15%, levelling agent is 1%~1.5%, fluffy powder 0.3%, polymerization inhibitor 0.2%.
2. a kind of UV radiation curable powder coatings, it is characterised in that：Wherein each material component proportion parts by weight are as follows：Knot
Brilliant and semicrystalline composition, acrylic ester polymer 70%~78.5%, photoinitiator composite are 5%~5.5%, titanium dioxide
It is 15%~22.5%, levelling agent is 1%~1.5%, fluffy powder 0.3%, polymerization inhibitor 0.2%.
3. UV radiation curable powder coatings according to claim 1 or 2, it is characterised in that：Described noncrystalline and hypocrystalline
It is 80 non-crystalline polyester acrylic resins that type composition, acrylic ester polymer, which is glass transition temperature Tg contents between 45~55 DEG C,
And glass transition temperature Tg contents between 80~90 DEG C are that 20% semicrystalline hyperbranched propenoic acid polyester is composed.
4. UV radiation curable powder coatings according to claim 3, it is characterised in that：The non-crystalline polyester acrylic acid tree
Fat is the UVECOAT 3000 of Qing Te companies, and the semicrystalline hyperbranched propenoic acid polyester is the UVECOAT of Qing Te companies
9010。
5. UV radiation curable powder coatings according to claim 1 or 2, it is characterised in that：The photoinitiator composite
For 1- hydroxy-cyciohexyls benzophenone, 2- hydroxy-2-methyl -1- toluene benzylacetone, 2,4,6- trimethylbenzoy-dipheny oxygen
Change at least one of phosphorus, diphenyl phosphine oxide.
6. UV radiation curable powder coatings according to claim 5, it is characterised in that：The 1- hydroxy-cyciohexyls benzophenone
For the ligacure184 of BASF AG, the 2- hydroxy-2-methyls -1- toluene benzylacetones are BASF AG
Ligacure2959, described 2,4,6- trimethylbenzoy-dipheny phosphorous oxides are the ligacureTPO of BASF AG,
The diphenyl phosphine oxide is the ligacure819 of BASF AG.
7. UV radiation curable powder coatings according to claim 1 or 2, it is characterised in that：The filling powder is talcum
Powder, the titanium dioxide are rutile titanium dioxide pigment, and the levelling agent is the dimethyl polysiloxane of functional group containing acrylic, institute
It is hydrophobic type gas phase silica to state fluffy powder, and the polymerization inhibitor is p-hydroxyanisole.
8. UV radiation curable powder coatings according to claim 7, it is characterised in that：The talcum powder is sweet osmanthus board 1250
Talcum powder, the rutile titanium dioxide pigment is the R-595 of E.I.Du Pont Company R-706 or Mei Lilian company, described to contain acrylic
Functional group's dimethyl polysiloxane is the BYK3576 of Bi Ke chemical companies, and the hydrophobic type gas phase silica is that Degussa is public
The R972 of department.
9. a kind of preparation method of UV radiation curable powder coatings, is prepared using melting extrusion mixing method in dry method, is divided into
UV radiation curings transparent powder paint and UV radiation curing white powder coating, include the following steps：
(1) UV transparent powder paint formula materials are weighed, weighs each component by weight percentage：Non-crystalline polyester acrylic acid tree
Fat and semicrystalline hyperbranched propenoic acid polyester 79%~94%, photoinitiator composite 4%, filling powder 0-15%, levelling
Agent 1%~1.5%, fluffy powder 0.3%, polymerization inhibitor 0.2%；
UV white powder formulation for coating material materials are weighed, weigh each component by weight percentage：Non-crystalline polyester acrylic resin
And semicrystalline hyperbranched propenoic acid polyester 68%~77.5%, photoinitiator composite 5%~5.5%, titanium dioxide 15%~
20%, levelling agent 1%~1.5%, fluffy powder 0.3%, polymerization inhibitor 0.2%；
(2) pre-mixing process for entering formula materials, will transparent powder paint and each point of white powder formulation for coating material component above
According to quantity inside input high-speed mixer dispersion cup, with high-speed mixer grinding dispersion 5~8 minutes, obtain being uniformly mixed UV
Formula materials；
(3) enter melting extrusion mixing and cooling and granulation process, with containing melt extruder and tabletting cooler and crusher three
The uniformly mixed UV formula materials are put into powdery paints double screw extruder storing by the interlocking equipment system of the integrated work(in position
In bucket, open machine, under the conditions of 70~75 DEG C of temperature melting extrusion immediately enter cold water at modeling shape object, melting extrusion modeling shape object
Cooling bath pipe-line equipment carries out cutting into the particulate matter of 40-80 mesh with pelleter as the UV powdery paints for crushing after cooling down
Semi-finished product；
(4) enter and be crushed and classified sieving process, the UV powdery paints semi-finished product are used containing finely divided and classification and sieving three
The interlocking equipment production of position one becomes UV powdery paints of the grain size between 17~70um, by being sieved up to UV radiation curings
Powdery paints.
10. a kind of construction technology according to UV radiation curable powder coatings made from claim 9 preparation method, using electrostatic
Construction is applied, its step are as follows：
(1) it is 4%~7% medium-density plate plank, 400 sand paper polishing dust removal process moisture content, using conventional corona discharge
Charged spray gun carries out spray-coating construction, and spraying is uniform, transparent powder paint coating weight 120~150g/ ㎡, white powder coating
100~130g/ of coating weight control ㎡；
(2) enter infrared radiation molten thread, first segment adds stream wind convection type in 90~100 DEG C of fast fast thawings using infra-red radiation
Melt 1 minute, second segment is using infrared radiation heating wind convection type in 90~100 DEG C of Flashmelts 1 minute, and third section is using strong
Convection current hot wind mode processed makes the abundant levelling of film 1 minute, paint film levelling at flat smooth mirror effect, temperature control 90~
110 DEG C, wherein infrared lamp index wavelength be 0.78~400nm, intermediate waves be 0.8~1.4nm, medium wave be 1.6~
2.6nm, remaining is long wave；
(3) cured into ultraviolet curing machine, transparent powder paint using mercury lamp cure, solidification energy control >=
300mj/m2, white powder coating is using gallium lamp+mercury lamp solidification, and solidification energy control is in >=800mj/m2, workpiece UV powder coatings
It completes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810400544.5A CN108659684A (en) | 2018-04-28 | 2018-04-28 | A kind of UV radiation curable powder coatings and preparation method thereof and construction technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810400544.5A CN108659684A (en) | 2018-04-28 | 2018-04-28 | A kind of UV radiation curable powder coatings and preparation method thereof and construction technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108659684A true CN108659684A (en) | 2018-10-16 |
Family
ID=63781437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810400544.5A Pending CN108659684A (en) | 2018-04-28 | 2018-04-28 | A kind of UV radiation curable powder coatings and preparation method thereof and construction technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108659684A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111607316A (en) * | 2020-06-22 | 2020-09-01 | 上海朝荟新材料科技有限公司 | UV coating formula and preparation method thereof |
| CN111808525A (en) * | 2020-09-07 | 2020-10-23 | 佛山宜可居新材料有限公司 | Multiphase structure UV (ultraviolet) photocuring powder coating resin and preparation method thereof |
| CN115491066A (en) * | 2022-06-15 | 2022-12-20 | 浙江虹达特种橡胶制品有限公司杭州分公司 | Powder coating and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1500841A (en) * | 2002-11-14 | 2004-06-02 | 中国乐凯胶片集团公司 | New pattern UV light solidifying powdery paints |
| CN1752156A (en) * | 2004-09-20 | 2006-03-29 | 姜祖斌 | Luminous powder coating material, luminous powder coating method and object coated with said luminous powder |
| CN1950468A (en) * | 2004-05-07 | 2007-04-18 | 氰特表面技术有限公司 | Radiation curable low gloss powder coating compositions |
| CN101186780A (en) * | 2007-10-24 | 2008-05-28 | 扬州三川实业有限公司 | Ultraviolet light solidifying powdery paints, producing method and applying method thereof |
-
2018
- 2018-04-28 CN CN201810400544.5A patent/CN108659684A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1500841A (en) * | 2002-11-14 | 2004-06-02 | 中国乐凯胶片集团公司 | New pattern UV light solidifying powdery paints |
| CN1950468A (en) * | 2004-05-07 | 2007-04-18 | 氰特表面技术有限公司 | Radiation curable low gloss powder coating compositions |
| CN1752156A (en) * | 2004-09-20 | 2006-03-29 | 姜祖斌 | Luminous powder coating material, luminous powder coating method and object coated with said luminous powder |
| CN101186780A (en) * | 2007-10-24 | 2008-05-28 | 扬州三川实业有限公司 | Ultraviolet light solidifying powdery paints, producing method and applying method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王艳梅等: "UV固化粉末涂料组成与性能的研究", 《信息记录材料》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111607316A (en) * | 2020-06-22 | 2020-09-01 | 上海朝荟新材料科技有限公司 | UV coating formula and preparation method thereof |
| CN111808525A (en) * | 2020-09-07 | 2020-10-23 | 佛山宜可居新材料有限公司 | Multiphase structure UV (ultraviolet) photocuring powder coating resin and preparation method thereof |
| US11807773B2 (en) | 2020-09-07 | 2023-11-07 | Foshan Yikeju New Material Co., Ltd. | Multi-phase structured UV-curable powder coating resin and preparation method thereof |
| CN115491066A (en) * | 2022-06-15 | 2022-12-20 | 浙江虹达特种橡胶制品有限公司杭州分公司 | Powder coating and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES2308398T3 (en) | COMPOSITIONS OF GROSS MIXING POWDER AND MANUFACTURING PROCEDURES OF THE SAME. | |
| CN108659684A (en) | A kind of UV radiation curable powder coatings and preparation method thereof and construction technology | |
| CN106634263A (en) | Thermosetting type static spraying powder coating and a preparing method thereof | |
| CA2999119A1 (en) | Powder coating and method for preparing a powder coating | |
| CN100999642B (en) | Thermo-sensitive epoxy resin powder paint | |
| CN101208396B (en) | Sprayable coating composition | |
| US20080132606A1 (en) | Crackle finish powder compositions and coatings and films made therefrom | |
| CN105765004A (en) | Polyester resin for highly filled powder coating | |
| CN110408311B (en) | Weather-resistant powder coating and preparation method thereof | |
| CN105713507A (en) | Single-color paint coating and preparation method thereof | |
| CN101705045A (en) | Coil coating with imitated velvet effect and preparation method thereof | |
| CN103740237A (en) | UV (Ultraviolet) laser roller painting matte transparent finishing coat | |
| CN103756518A (en) | Laser roller painting UV (ultraviolet) matte white paint | |
| CN106752756A (en) | A kind of high speed infrared solidification levelling powdery paints and preparation method thereof | |
| CN104974638A (en) | Sand-textured epoxy powdery paint | |
| CA2431699A1 (en) | Powder coating compositions containing reactive nanoparticles | |
| Wang et al. | Study on application performance of oxidized polyethylene wax in powder coatings | |
| CN103059701B (en) | A kind of powder solar heat reflection paint and preparation method thereof | |
| JP2007500256A (en) | Solid pigment formulations and their dispersions in organic solvents, their preparation and their use | |
| AU2004216623A1 (en) | Powder Coating Compositions Comprising Urethane (meth)acrylates and Micronized Waxes and Their Use | |
| CN111868186B (en) | One-component (1K) thermosetting powder coating composition for impact-resistant and low-gloss conformable matt powder coatings | |
| CN104559691B (en) | Polymer composite for heat transfer printing low-temperature crosslinking and preparation method thereof | |
| CN110499052A (en) | A kind of thermosetting powder coating and its processing technology | |
| CN109294415A (en) | A kind of indoor two-component powdery paints and preparation method thereof | |
| JP6841235B2 (en) | Powder coatings, powder coating manufacturing methods, and painted articles |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181016 |