CN114149739A - UVC curing process for paint - Google Patents

UVC curing process for paint Download PDF

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Publication number
CN114149739A
CN114149739A CN202111588826.0A CN202111588826A CN114149739A CN 114149739 A CN114149739 A CN 114149739A CN 202111588826 A CN202111588826 A CN 202111588826A CN 114149739 A CN114149739 A CN 114149739A
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CN
China
Prior art keywords
paint
uvc
curing
light source
agent
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CN202111588826.0A
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Chinese (zh)
Inventor
黄长春
黄长松
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Zhongzi Guangyuan Technology Guangzhou Co ltd
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Zhongzi Guangyuan Technology Guangzhou Co ltd
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Priority to CN202111588826.0A priority Critical patent/CN114149739A/en
Publication of CN114149739A publication Critical patent/CN114149739A/en
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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
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
    • 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
    • B05D3/06—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 radiation
    • B05D3/061—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 radiation using U.V.
    • B05D3/065—After-treatment
    • B05D3/067—Curing or cross-linking the coating
    • 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

Abstract

A UVC curing process for paint uses a UVC light source for curing, and the paint preparation procedure is prepared from the following raw material components in percentage by weight: 40% of polyurethane acrylic resin, 20% of epoxy acrylic resin, 20% of difunctional active monomer, 10% of photoinitiator, 5% of matte powder, 1.5% of flatting agent, 0.5% of defoaming agent, 2% of dispersing agent and 1% of hand feeling agent. And because the UVC light source basically uses the electric energy for generating the ultraviolet light, the curing temperature of the workpiece can not be raised, the curing of the paint surface of the workpiece can be completely realized through the ultraviolet light, the curing effect is better, the workpiece can not be deformed when being cured in a normal temperature environment, and a better workpiece form can be kept.

Description

UVC curing process for paint
Technical Field
The invention belongs to the technical field of paint curing processes, and particularly relates to a paint UVC curing process.
Background
The traditional ultraviolet curing process generally adopts a UVA light source to perform paint curing, because the wavelength of the UVA light source is within the range of 320-400 nm, the wavelength is longer, the penetration curing capability is stronger, but the UVA light source can generate a large amount of heat during working, most of electric energy of the UVA light source is lost on the heat, and only a small part of electric energy is used for generating ultraviolet light, so that the working efficiency of the UVA light source is extremely low, a high-power UVA light source is required to generate enough ultraviolet light intensity, the energy consumption for curing a paint surface by using the UVA light source is very high, corresponding air cooling equipment and liquid cooling equipment are required to be arranged in curing equipment to respectively cool a curing environment and the curing equipment, cooling related equipment is required to be arranged in the general curing equipment according to the power of the UVA light source and according to the power of 10:1, and therefore, the paint curing process of a workpiece needs larger energy consumption, the curing costs are very high for the user.
In addition, when the traditional paint is cured under the irradiation of a UVA light source, a large amount of VOC substances can be generated due to the high curing environment temperature, so that the environmental sanitation and even the human health are influenced.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a paint UVC curing process.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a UVC curing process for paint uses a UVC light source for curing, and the paint preparation procedure is prepared from the following raw material components in percentage by weight: 40% of polyurethane acrylic resin, 20% of epoxy acrylic resin, 20% of difunctional active monomer, 10% of photoinitiator, 5% of matte powder, 1.5% of leveling agent, 0.5% of defoaming agent, 2% of dispersing agent and 1% of hand feeling agent.
As a further improvement of the invention, the paint preparation process is carried out according to the following steps:
s1, weighing the raw materials according to the raw material component ratio under the condition of no sunlight or ultraviolet irradiation;
s2, mixing and stirring the polyurethane acrylic resin, the epoxy acrylic resin and the difunctional active monomer uniformly, and reacting at a constant temperature of 50 ℃ for 30min at a stirring speed of 1000-1200 r/min;
s3, slowly adding the photoinitiator, the defoaming agent, the dispersing agent and the hand feeling agent into the mixture obtained in the step S2 while stirring, stirring for 20min, cooling to 25-30 ℃, and adjusting the stirring speed to 3500-4000 revolutions/min;
and S4, adding the matte powder and the flatting agent into the S3, stirring for 10min, keeping the temperature at 25-30 ℃, and regulating the stirring speed to 800-1000 r/min.
As a further improvement of the invention, the paint prepared in the paint preparation process is sprayed on the workpiece in the paint spraying process, and the front side, the rear side, the left side, the right side and the top surface of the workpiece are sprayed with the paint.
The further improvement of the invention is that after the workpiece is sprayed with paint through the paint spraying process, the paint curing process is carried out through curing equipment, the curing equipment comprises a case, a product conveying roller arranged in the case and a plurality of UVC ultraviolet light source groups arranged above the product conveying roller, each UVC ultraviolet light source group comprises a UVC light source and a lampshade, and a reflecting plate capable of reflecting ultraviolet rays is arranged in the product conveying roller.
As a further improvement of the invention, the difunctional reactive monomer is diethylene glycol diacrylate.
As a further development of the invention, the photoinitiator is a mixture of 1-hydroxy-cyclohexyl-phenyl-methanone, 2-hydroxy-2-methyl-1-phenyl-1-propyl ketone and 2, 4, 6-trimethylbenzoyldiphenylphosphine oxide.
As a further improvement of the invention, the matte powder is fumed silica.
As a further improvement of the invention, the leveling agent is polyether modified polydimethylsiloxane copolymer.
As a further improvement of the invention, the defoaming agent is polyether modified polysiloxane.
As a further improvement of the invention, the dispersant is a mixture of electrically neutral polyamide and polyester.
The invention has the beneficial effects that: when the UVC light source is used for curing the paint, the paint is cured at normal temperature, the UVC light source almost generates no heat, and electric energy is almost converted into ultraviolet light, so that the working efficiency of the UVC light source is very high. And because the UVC light source basically uses the electric energy for generating the ultraviolet light, the curing temperature of the workpiece can not be raised, the curing of the paint surface of the workpiece can be completely realized through the ultraviolet light, the curing effect is better, the workpiece can not be deformed when being cured in a normal temperature environment, and a better workpiece form can be kept. In the paint curing process, the paint surface is protected to a certain extent due to normal-temperature curing, and the paint is prevented from generating VOC substances due to quality change in a high-temperature state, so that the workpiece provided by the invention hardly generates the VOC substances in the paint curing process, the paint curing process is environment-friendly and efficient, the UVC light source is used for curing, more than 90% of electricity is saved compared with the traditional mercury lamp, the paint film is good in hardness and adhesiveness, fine and smooth in hand feeling, and more energy-saving and environment-friendly.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is a schematic view of an installation structure of the UVC ultraviolet light source set of the present embodiment;
FIG. 3 is a schematic structural diagram of the reflector in this embodiment;
fig. 4 is a schematic view of the installation structure of the reflector in this embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
Example (b):
as shown in fig. 1 to 4, the embodiment discloses a UVC curing process for paint, which includes a paint preparation process, a paint spraying process, and a paint curing process, wherein the paint preparation process is prepared from the following raw material components in percentage by weight:
40% of polyurethane acrylic resin, 20% of epoxy acrylic resin, 20% of difunctional active monomer, 10% of photoinitiator, 5% of matte powder, 1.5% of leveling agent, 0.5% of defoaming agent, 2% of dispersing agent and 1% of hand feeling agent.
The paint preparation process comprises the following steps:
s1, weighing the raw materials according to the raw material component ratio under the condition of no sunlight or ultraviolet irradiation;
s2, mixing and stirring the polyurethane acrylic resin, the epoxy acrylic resin and the difunctional active monomer uniformly, and reacting at a constant temperature of 50 ℃ for 30min at a stirring speed of 1000-1200 r/min;
s3, slowly adding the photoinitiator, the defoaming agent, the dispersing agent and the hand feeling agent into the mixture obtained in the step S2 while stirring, stirring for 20min, cooling to 25-30 ℃, and adjusting the stirring speed to 3500-4000 revolutions/min;
and S4, adding the matte powder and the flatting agent into the S3, stirring for 10min, keeping the temperature at 25-30 ℃, and regulating the stirring speed to 800-1000 r/min.
The special paint prepared by the paint preparation procedures can be completely cured under the irradiation of a UVC light source.
After the paint is prepared, the workpiece is subjected to a paint spraying process by automatic spraying equipment, so that the front side, the rear side, the left side, the right side and the top surface of the workpiece are sprayed with the paint, and then the workpiece sprayed with the paint is conveyed into curing equipment to be subjected to a paint curing process. Certainly, in the paint spraying process of this embodiment, the paint may be painted by a spraying method, and also may be painted by a rolling, brushing, or printing method, and the like, and the worker may select the painting method according to the actual requirement of the workpiece, which belongs to the same technical means commonly used by those skilled in the art in the painting work, and the description is not repeated herein, and the painting method is not particularly limited. In the paint curing process, the paint surface can be completely cured only by using the irradiation of the UVC light source, the wavelength of the UVC light source is within the range of 200-275 nm, the UVC light source with the wavelength of 253.7nm is preferred in the embodiment, when the paint is cured by the UVC light source, normal-temperature curing is performed, the UVC light source hardly generates heat, and electric energy is almost used for being converted into ultraviolet light, so that the working efficiency of the UVC light source is very high. And because the UVC light source basically uses the electric energy for generating the ultraviolet light, the curing temperature of the workpiece can not be raised, the curing of the paint surface of the workpiece can be completely realized through the ultraviolet light, the curing effect is better, the workpiece can not be deformed when being cured in a normal temperature environment, and a better workpiece form can be kept.
In the paint curing process, the paint surface is protected to a certain extent due to normal-temperature curing, and the paint is prevented from generating VOC substances due to quality change in a high-temperature state, so that the workpiece of the embodiment is almost free of VOC substances in the paint curing process, the paint curing process is environment-friendly and efficient, the UVC light source is used for curing, more than 90% of electricity is saved compared with the traditional mercury lamp, the paint film is good in hardness and adhesiveness, fine and smooth in hand feeling, more energy-saving and more environment-friendly.
The curing process of the embodiment can realize complete curing of the paint surface of the workpiece only by a UVC light source by using special paint and improving the ultraviolet intensity in curing equipment. Wherein the preparation components and the preparation steps of the special paint are as described above.
In the preparation process of the paint, molecules of polyurethane acrylic resin contain acrylic acid functional groups and urethane bonds, the cured paint has high wear resistance, adhesion, flexibility, high peel strength, excellent low-temperature resistance and excellent optical performance and weather resistance of the polyacrylate of the polyurethane, and in step S2, epoxy acrylic resin and bifunctional active monomers are provided for polymerization reaction, so that the acrylic resin copolymer obtained by the polymerization reaction has good light transmittance, ultraviolet light can penetrate through the paint in the curing process to realize rapid curing, and the requirement of the paint curing on the wavelength of ultraviolet light is reduced.
The difunctional active monomer is diethylene glycol diacrylate, so that the photocuring rate is high, and the difunctional active monomer has high hardness and high impact strength.
The photoinitiator adopts a mixture of 1-hydroxy-cyclohexyl-phenyl ketone, 2-hydroxy-2-methyl-1-phenyl-1-propyl ketone and 2, 4, 6-trimethylbenzoyl diphenyl phosphine oxide, wherein the 1-hydroxy-cyclohexyl-phenyl ketone has excellent compound property with acrylate, excellent curing speed and weather resistance; the 2-hydroxy-2-methyl-1-phenyl-1-propyl ketone has wide adaptability and can be matched with other types of initiators to show unique effect; 2, 4, 6-trimethylbenzene formyl diphenyl phosphine oxide has the characteristic of good light-transmitting curing property, and is particularly suitable for a deep curing system, so the inventor finds that the three substances are mixed together through research, and the characteristics of the three substances are combined to obtain good photoinitiation effect;
in the above-mentioned photoinitiator, 1-hydroxy-cyclohexyl-phenyl ketone, 2-hydroxy-2-methyl-1-phenyl-1-propyl ketone and 2, 4, 6-trimethylbenzoyldiphenylphosphine oxide may be mixed in any ratio, and the present invention can be achieved, and it is preferable that the weight ratio of 1-hydroxy-cyclohexyl-phenyl ketone, 2-hydroxy-2-methyl-1-phenyl-1-propyl ketone and 2, 4, 6-trimethylbenzoyldiphenylphosphine oxide is 2:2: 1.
The matte powder has the effects of matting the coating, enabling the coating to feel smoother and improving the adhesiveness of the coating, so that the matte powder disclosed by the invention can be realized by adopting the matte powder commonly used by a person skilled in the art in the production of ultraviolet curing coatings, and preferably fumed silica which is white in color, light like fluff and fluffy is selected, has excellent transparency when applied in paint, is superior in adhesiveness after being sprayed or brushed, is excellent in matting effect after being smooth and flat and dried, is very smooth in hand feeling and does not influence the drying and curing of the coatings. The product can be directly stirred and dispersed at high speed, and the dispersion time is short. Has a certain thixotropic thickening effect, and is not easy to generate sagging phenomenon during spraying.
The leveling agent has the functions of enabling a coating film to be easily and uniformly leveled, and enabling the coating and a workpiece to be coated to have good wettability, so that the leveling agent can be realized by adopting the leveling agent commonly used by a person skilled in the art in the production of ultraviolet curing coatings, and the polyether modified polydimethylsiloxane copolymer is preferably selected, has high-strength leveling property and extremely low surface tension, and can provide excellent application property.
The defoaming agent is used for defoaming and eliminating bubbles and inhibiting the generation of bubbles in the preparation process of the coating to ensure the coating effect, so that the defoaming agent can be realized by adopting the defoaming agent commonly used by the technicians in the field in the production of ultraviolet curing coatings, and polyether modified polysiloxane is preferred, can quickly eliminate the bubbles generated in the coating and can perform combined action with an acrylic resin copolymer formed by polymerizing polyurethane acrylic resin, epoxy acrylic resin and bifunctional active monomers so as to inhibit the generation of the bubbles.
The dispersant is used for reducing the surface tension of a system and improving the suspension stability of a coating in paint, so the dispersant can be realized by adopting the dispersant commonly used by the technical personnel in the field for producing ultraviolet curing coatings, and preferably, the electrically neutral polyamide and polyester mixture is a wetting dispersant which can be compatible with an acrylic resin copolymer polymerized by polyurethane acrylic resin, epoxy acrylic resin and difunctional active monomers, reduce the interfacial tension between coatings and improve the stability of the paint.
The hand feeling agent is used for enhancing the hand feeling and the anti-sticking property of the solidified paint, so that the paint surface of a workpiece is dry and smooth; the hand feeling agent of the invention can be realized by adopting the hand feeling agent commonly used by those skilled in the art in the production of ultraviolet curing coating, and is preferably a substance containing polyurethane elastomer and/or polyolefin wax. The polyurethane elastomer is a high molecular compound having a urethane group, which is obtained by addition polymerization of an organic polyisocyanate such as polyether or polyester polyol, TDI or MDI, and a diamine or diol. In the ultraviolet curing coating, the flexible carbon segment such as polyester, polyether polyol or polyolefin contained in the polyurethane elastomer gives a coating film having a high degree of thickness. The polyurethane elastomer is added into the ultraviolet curing coating as a filler, self-dries into a film by means of volatilization of a solvent, and is uniformly dispersed in the coating, so that the thick feeling of the coating is improved.
In this embodiment, the curing device includes a chassis 1, a product conveying roller 2 disposed in the chassis 1, and a plurality of UVC ultraviolet light source groups 3 disposed above the product conveying roller 2, where the UVC ultraviolet light source groups 3 are disposed a plurality of and located right above the product conveying roller 2 and on two sides of the product conveying roller 2 in the moving direction, each UVC ultraviolet light source group 3 includes a UVC light source 31 and a lamp shade 32, a reflector 33 capable of reflecting ultraviolet light is disposed in the product conveying roller 2, the reflector 33 includes a plurality of V-shaped reflectors 331 arranged side by side, a plurality of light holes 332 are disposed at the bottom of each V-shaped reflector 331, head and tail inclined reflectors 333 and 334 are disposed on two sides of the head and the tail of each light hole 332, and the head and tail inclined reflectors 333 and 334 longitudinally penetrate through the plurality of V-shaped reflectors 331 and form the reflector 33. Each V-shaped reflective strip 331 is formed by bending a metal plate, the surface of the reflective strip is a mirror surface, the bottom of each V-shaped reflective strip 331 is provided with a plurality of slots, and the head and tail inclined reflective plates 333, 334 are inserted into the slots and fixedly connected. The head and tail inclined reflective plates 333 and 334 are strip-shaped metal plates, the surfaces of which are mirror surfaces, and longitudinally penetrate through the five V-shaped reflective strips 331 to form a frame, so that the reflective plates are relatively fixed. The bottom of each V-shaped reflecting strip 331 is provided with a plurality of inclined slots, and the head and tail inclined reflecting plates 333 and 334 are inserted into the slots and fixedly connected, so that the assembly is convenient and simple, and the production cost is low.
In the structure of the curing equipment, the UVC light source 31 is matched with the lampshade 32 and the reflector 33 to converge the ultraviolet light of the UVC light source 31, so that the ultraviolet intensity is improved under the condition of not increasing the working power, and the ultraviolet intensity reaches 60-120mw/m2In the paint curing industry, the ultraviolet intensity requirement of varnish curing reaches 60mw/m2The ultraviolet intensity of the color paint curing is required to reach 120mw/m2Therefore, the technical scheme of the embodiment can be applied to varnish curing and also can be applied to colored paint curing. And the front, back, left and right side surfaces and the top surface of the workpiece are simultaneously cured by utilizing the ultraviolet light reflection effect of the reflector 33, so that the curing efficiency and quality are improved.
In this example, the inventors also conducted the following tests on the above described paint UVC curing process:
1. energy consumption testing
The woodware is used as a paint spraying base material, the woodware paint surface is treated according to the technical scheme of the embodiment, the working power measured on the curing power of a UVC light source of curing equipment only needs 1KW, and the woodware paint surface can be completely cured;
after the woodware is sprayed with the traditional paint, a UVA light source of mercury element is used for curing, and the working power of the UVA light source is required to reach 65KW for complete curing; curing by using a UVA light source of gallium element, wherein the working power of the UVA light source is required to reach 36KW for complete curing;
therefore, according to the technical scheme of the embodiment, the special paint is sprayed, and the UVC light source is combined for curing, so that a large amount of energy consumption can be saved for the paint curing process, and the curing cost is greatly reduced.
2. Curing speed test
Comparing according to the curing procedure of the paint in the energy consumption test, repeatedly pressing, carving and scraping nails to avoid generating marks as a complete curing standard, and recording the shortest time without generating marks. Wherein the curing speed of the technical scheme of the embodiment is 3S; the curing speed of the UVA light source of the mercury element is 5S; the curing speed of the UVA light source of gallium element is 5S.
3. Hardness test
And comparing the curing procedures of the paint according to the test in the energy consumption test, and detecting the paint cured on the wood substrate according to the standard GB/T6739-. The hardness of the paint surface formed by the technical scheme of the embodiment reaches 3H; the hardness of the paint surface solidified by the UVA light source of the mercury element also reaches 3H; and the hardness of the paint surface cured by the UVA light source of gallium also reaches 3H.
4. Adhesion test
And comparing the curing procedures of the paint according to the test in the energy consumption test, and etching the grid-shaped cuts on the cured paint on the wood substrate by using the method of JIS G3320 for reference. Then, a tape was attached to the painted surface and peeled off, and the state of peeling of the cured film was observed. The adhesion of the finish was evaluated based on the number of non-peeled grids per 100 grids. 50/100 above. The adhesive force of the paint surface formed by the technical scheme of the embodiment reaches 100/100; the adhesion of the paint surface cured by the UVA light source of the mercury element reaches 80/100; the paint surface adhesion of the paint surface cured by the UVA light source of the gallium element also reaches 100/100.
5. Yellowing test
Comparing the curing procedures of the paint according to the test in the energy consumption test, and detecting the cured paint on the wood substrate according to the standard GB/T23893-2009 yellowing resistance test method for wood coatings, wherein the smaller the color difference value is, the better the yellowing resistance performance is. The color difference value of the paint surface formed by the technical scheme of the embodiment is 0.3; the color difference value of the paint surface solidified by the UVA light source of the mercury element is 0.6; the color difference value of the paint surface cured by the UVA light source of the gallium element is 0.5.
The above description is only a preferred embodiment of the present invention, and the technical solutions that achieve the objects of the present invention by substantially the same means are within the protection scope of the present invention.

Claims (10)

1. A paint UVC curing process is characterized in that: the paint is cured by using a UVC light source, and the paint preparation procedure is prepared from the following raw material components in percentage by weight:
40% of polyurethane acrylic resin, 20% of epoxy acrylic resin, 20% of difunctional active monomer, 10% of photoinitiator, 5% of matte powder, 1.5% of leveling agent, 0.5% of defoaming agent, 2% of dispersing agent and 1% of hand feeling agent.
2. The UVC curing process for paints according to claim 1, wherein: the paint preparation process comprises the following steps:
s1, weighing the raw materials according to the raw material component ratio under the condition of no sunlight or ultraviolet irradiation;
s2, mixing and stirring the polyurethane acrylic resin, the epoxy acrylic resin and the difunctional active monomer uniformly, and reacting at a constant temperature of 50 ℃ for 30min at a stirring speed of 1000-1200 r/min;
s3, slowly adding the photoinitiator, the defoaming agent, the dispersing agent and the hand feeling agent into the mixture obtained in the step S2 while stirring, stirring for 20min, cooling to 25-30 ℃, and adjusting the stirring speed to 3500-4000 revolutions/min;
and S4, adding the matte powder and the flatting agent into the S3, stirring for 10min, keeping the temperature at 25-30 ℃, and regulating the stirring speed to 800-1000 r/min.
3. The UVC curing process for paints according to claim 1, wherein: the paint prepared in the paint preparation procedure is sprayed on the workpiece through the paint spraying procedure, and the front side, the rear side, the left side, the right side and the top surface of the workpiece are sprayed with the paint.
4. A process according to claim 3 for UVC curing of paints, characterised in that: after the work piece passes through paint spraying process spraying paint, carry out the paint solidification process through curing equipment, curing equipment includes quick-witted case, sets up the product conveying roller at quick-witted incasement and sets up a plurality of UVC ultraviolet light source group in product conveying roller top, and UVC ultraviolet light source group includes UVC light source and lamp shade, be equipped with in the product conveying roller and carry out the reflector panel that reflects to the ultraviolet ray.
5. The UVC curing process for paints according to claim 1, wherein: the difunctional reactive monomer is diethylene glycol diacrylate.
6. The UVC curing process for paints according to claim 1, wherein: the photoinitiator is a mixture of 1-hydroxy-cyclohexyl-phenyl ketone, 2-hydroxy-2-methyl-1-phenyl-1-propyl ketone and 2, 4, 6-trimethylbenzoyl diphenyl phosphine oxide.
7. The UVC curing process for paints according to claim 1, wherein: the matte powder is fumed silica.
8. The UVC curing process for paints according to claim 1, wherein: the leveling agent is polyether modified polydimethylsiloxane copolymer.
9. The UVC curing process for paints according to claim 1, wherein: the defoaming agent is polyether modified polysiloxane.
10. The UVC curing process for paints according to claim 1, wherein: the dispersing agent is a mixture of electrically neutral polyamide and polyester.
CN202111588826.0A 2021-12-23 2021-12-23 UVC curing process for paint Pending CN114149739A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111588826.0A CN114149739A (en) 2021-12-23 2021-12-23 UVC curing process for paint

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Application Number Priority Date Filing Date Title
CN202111588826.0A CN114149739A (en) 2021-12-23 2021-12-23 UVC curing process for paint

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Publication Number Publication Date
CN114149739A true CN114149739A (en) 2022-03-08

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103497668A (en) * 2013-09-16 2014-01-08 成都优品涂料有限公司 Ultraviolet curing stain-resistant and wear-resistant negative ion wood lacquer and preparation method thereof
CN104130670A (en) * 2014-08-20 2014-11-05 崇州市美涂士涂料科技有限公司 Solvent-free UV vacuum spraying under-coating paint and preparation method thereof
CN104152007A (en) * 2014-08-20 2014-11-19 崇州市美涂士涂料科技有限公司 Solvent-free UV vacuum spraying priming paint and preparation method thereof
CN104662110A (en) * 2012-07-06 2015-05-27 钢铁应用研究中心股份有限公司 Pipes for pipelines having internal coating and method for applying the coating
CN108787384A (en) * 2018-02-28 2018-11-13 广州中紫光源科技有限公司 A kind of ultraviolet curing machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104662110A (en) * 2012-07-06 2015-05-27 钢铁应用研究中心股份有限公司 Pipes for pipelines having internal coating and method for applying the coating
CN103497668A (en) * 2013-09-16 2014-01-08 成都优品涂料有限公司 Ultraviolet curing stain-resistant and wear-resistant negative ion wood lacquer and preparation method thereof
CN104130670A (en) * 2014-08-20 2014-11-05 崇州市美涂士涂料科技有限公司 Solvent-free UV vacuum spraying under-coating paint and preparation method thereof
CN104152007A (en) * 2014-08-20 2014-11-19 崇州市美涂士涂料科技有限公司 Solvent-free UV vacuum spraying priming paint and preparation method thereof
CN108787384A (en) * 2018-02-28 2018-11-13 广州中紫光源科技有限公司 A kind of ultraviolet curing machine

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Application publication date: 20220308