CN113249027A - Laser projection screen light-cured coating and preparation method thereof and curing transfer printing method - Google Patents
Laser projection screen light-cured coating and preparation method thereof and curing transfer printing method Download PDFInfo
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- CN113249027A CN113249027A CN202110635307.9A CN202110635307A CN113249027A CN 113249027 A CN113249027 A CN 113249027A CN 202110635307 A CN202110635307 A CN 202110635307A CN 113249027 A CN113249027 A CN 113249027A
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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
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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
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/06—Unsaturated polyesters having carbon-to-carbon unsaturation
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
Abstract
The invention relates to the field of laser projection display preparation, and discloses a preparation method of a laser projection screen light-cured coating, which comprises the steps of firstly mixing 10-50 parts by weight of acrylic acid active monomer and 1-10 parts by weight of photoinitiator, then uniformly stirring and dissolving, then adding 5-50 parts by weight of acrylic resin and 0.1-5 parts by weight of auxiliary agent, uniformly stirring and dissolving; the method comprises the steps of coating the photocuring coating on a loading platform to form a PET substrate, rolling the PET substrate on a roller at a constant speed, and keeping the PET substrate in an ultraviolet environment while rolling. According to the invention, the acrylic acid active monomer, the acrylic resin, the photoinitiator and the auxiliary agent in specific dosage proportions are adopted, and the acrylic acid active monomer, the acrylic resin, the photoinitiator and the auxiliary agent are placed in an ultraviolet environment while rolling, so that the micro structure can be rapidly cured in 1S, the curing time is short, the production period is improved, and the Fresnel structure obtained after curing has better hardness, high temperature resistance, flexibility, adhesive force, aging resistance, transfer printing integrity, demolding property and wettability.
Description
Technical Field
The invention relates to the field of laser projection display preparation, in particular to a laser projection curtain photocureable coating, a preparation method thereof and a curing transfer printing method.
Background
The projection curtain is one of essential accessories for the laser television, and no matter the projection curtain is a traditional projection, an intelligent projection or a laser television, pictures are emitted to the curtain or a wall surface by light and then reflected to eyes by the curtain or the wall surface to become the pictures seen by people. Wherein, the ultra-short focus laser projection in the projection curtain, the displayed curtain must use a circular Fresnel structure.
The circular fresnel structure of the existing curtain is generally made in the following way: coating a whole flat metal plate with a photocureable coating, and then carrying out roller transfer printing to form the product. For example, the invention is named as a conical roller for manufacturing a Fresnel lens, and the invention patent application with the patent number of 201410170440.1 (hereinafter referred to as D1) is that a layer of UV light curing adhesive is uniformly coated on a transparent plate, a Fresnel lens blank is manufactured by rolling a roller, and the molded Fresnel lens plate is placed in an ultraviolet light environment for accelerated curing; the Fresnel lens can be made into an integral structure without splicing marks, but the curing time is still longer, and the production period is still longer.
In addition, the adopted light-cured coating has more added components, such as an ultraviolet absorber or the like, or contains a plurality of resins, so that the components are more complicated, and the calculation and weighing steps are increased.
Disclosure of Invention
The invention aims to provide a laser projection screen light-cured coating, a preparation method thereof and a curing and transfer printing method thereof, wherein the coating can be converted from a liquid state to a solid state within 1 second, the curing can be rapidly completed, and the components are less.
In order to solve the technical problem, the invention is solved by the following technical scheme:
the ultrashort laser projection screen light curing coating is mainly prepared from the following components in parts by weight:
10-50 parts of acrylic acid active monomer, 5-50 parts of acrylic resin, 1-10 parts of photoinitiator and 0.1-5 parts of auxiliary agent. Only four components.
The acrylic resin forms a basic skeleton of a cured product, namely the basic performance of the cured product, and has the characteristics of better hardness, scratch resistance, high temperature resistance, flexibility, adhesive force and aging resistance. The adoption of the acrylic acid active monomer can greatly reduce the viscosity of the system and facilitate the construction. Only one resin is added, and the components are less.
Further, the photocureable coating is mainly prepared from the following components in parts by weight:
20-50 parts of acrylic acid active monomer, 15-45 parts of acrylic resin, 2-5 parts of photoinitiator and 0.1-3 parts of auxiliary agent.
The acrylic acid active monomer is one or more of o-phenylphenoxyethyl acrylate, (ethoxy) phenol acrylate, 2-phenoxyethyl acrylate, isobornyl acrylate, 1, 6-hexanediol diacrylate, tripropylene glycol diacrylate, (ethoxy) bisphenol a diacrylate, 4 (ethoxy) bisphenol a diacrylate, 10 (ethoxy) bisphenol a diacrylate, 20 (ethoxy) bisphenol a diacrylate, 30 (ethoxy) bisphenol a diacrylate, trimethylolpropane triacrylate, pentaerythritol tetraacrylate, and dipentaerythritol hexapentaacrylate.
The acrylic acid active monomer is one or more of o-phenylphenoxyethyl acrylate, isobornyl acrylate, 1, 6-hexanediol diacrylate, tripropylene glycol diacrylate, (ethoxy) bisphenol A diacrylate, 4 (ethoxy) bisphenol A diacrylate, 10 (ethoxy) bisphenol A diacrylate, trimethylolpropane triacrylate, pentaerythritol tetraacrylate, and dipentaerythritol hexapentaacrylate.
Further, the acrylic resin is one or more of polyurethane acrylic resin, epoxy acrylic resin, polyester acrylic resin and polycarbonate acrylic resin.
Further, the acrylic resin is one or more of polyurethane acrylic resin, epoxy acrylic resin and polyester acrylic resin.
Further, the photoinitiator is one or more of PI 184, PI 907, PI TPO, PI BP, PI 819 and PI 1173.
Further, the photoinitiator is one or more of PI 184, PI TPO, PI 819 and PI 1173.
Further, the auxiliary agent is an organic silicon auxiliary agent or a modified organic silicon auxiliary agent, and is one or more of BYK333, BYK 3500, BYK 3505, BYK3510, BYK3530, BYK3535, BYK3570, BYK3575, ZG 400, TEGO 100, TEGO 410, TEGO 450 and TEGO 432.
Further, the organic silicon assistant or modified organic silicon assistant is one or more of BYK333, BYK 3500, BYK 3505, BYK3510, BYK3530, TEGO 100, TEGO 410, TEGO 450 and TEGO 432.
The invention also provides a preparation method of the photocureable coating, which comprises the following steps:
mixing 10-50 parts by weight of acrylic acid active monomer and 1-10 parts by weight of photoinitiator, stirring and dissolving uniformly, adding 5-50 parts by weight of acrylic resin and 0.1-5 parts by weight of auxiliary agent, stirring and dissolving uniformly to obtain the photocuring coating.
The invention also provides a curing transfer printing method, which comprises the following steps: and (3) coating the photo-curing coating prepared by the above steps on a carrying platform to form a PET substrate, and rolling the PET substrate on a roller at a constant speed.
Furthermore, the ultraviolet lamp and the roller which are arranged below the carrying platform move synchronously during rolling, so that the rolled position of the PET substrate is in an ultraviolet environment at the same time for photocuring.
Furthermore, the ultraviolet lamp is an LED UV lamp, the wavelength is mainly concentrated in the UVA wave band, and the energy density of the ultraviolet light is more than 30mj/cm2。
Further, the roller is a tapered roller.
Due to the adoption of the technical scheme, the invention has the remarkable technical effects that:
acrylic acid active monomers, acrylic resin, a photoinitiator and an auxiliary agent in a specific dosage ratio are rolled and placed in an ultraviolet environment at the same time, the micro structure can be quickly cured in 1S, the curing time is short, the production period is prolonged, and the Fresnel structure obtained after curing has better hardness, scratch resistance, high temperature resistance, flexibility, adhesive force, aging resistance, transfer printing integrity, demolding property and wettability. The selected components are less and do not contain any solvent.
The photocureable coating prepared by the invention has the following characteristics: low viscosity, low shrinkage, fast curing and high hardness of the cured coating.
The invention needs low viscosity photo-curing coating, and the photo-initiator can initiate crosslinking reaction under ultraviolet irradiation, so that no coupling agent is needed to be added. And the ultraviolet absorbent is mainly used for reducing the aging effect, so that the ultraviolet absorbent does not need to be added, and precipitation can be caused if the ultraviolet absorbent is additionally added.
The unsaturated polyester resin has large shrinkage and poor heat resistance and solvent resistance, and can be photocured while being rolled, so that a photocureable coating with low shrinkage is required, the unsaturated polyester resin is not added, and the PET substrate can be prevented from warping while being photocured.
Detailed Description
Embodiments of the present application will be described in detail with reference to the following examples, so that how to implement the technical means for solving the technical problems and achieving the technical effects of the present application can be fully understood and implemented.
The invention provides an ultrashort laser projection screen light curing coating which is mainly prepared from the following components in parts by weight:
10-50 parts of acrylic acid active monomer, 5-50 parts of acrylic resin, 1-10 parts of photoinitiator and 0.1-5 parts of auxiliary agent.
The acrylic acid active monomer comprises but is not limited to one or more of o-phenylphenoxyethyl acrylate, (ethoxy) phenol acrylate, 2-phenoxyethyl acrylate, isobornyl acrylate, 1, 6-hexanediol diacrylate, tripropylene glycol diacrylate, (ethoxy) bisphenol A diacrylate, 4 (ethoxy) bisphenol A diacrylate, 10 (ethoxy) bisphenol A diacrylate, 20 (ethoxy) bisphenol A diacrylate, 30 (ethoxy) bisphenol A diacrylate, trimethylolpropane triacrylate, pentaerythritol tetraacrylate, dipentaerythritol hexapentaacrylate.
The acrylic resin includes, but is not limited to, one or more of polyurethane acrylic resin, epoxy acrylic resin, polyester acrylic resin, and polycarbonate acrylic resin.
The photoinitiator comprises but is not limited to one or more of PI 184, PI 907, PI TPO, PI BP, PI 819 and PI 1173;
the auxiliary agent is an organic silicon auxiliary agent or a modified organic silicon auxiliary agent, and comprises one or more of BYK333, BYK 3500, BYK 3505, BYK3510, BYK3530, BYK3535, BYK3570, BYK3575, ZG 400, TEGO 100, TEGO 410, TEGO 450 and TEGO 432;
the acrylic resin forms a basic skeleton of a cured product, namely the basic performance of the cured product, and has better hardness, scratch resistance, high temperature resistance, flexibility, adhesive force and aging resistance.
The acrylic acid active monomer mainly plays roles in diluting, improving crosslinking density and accelerating reaction speed, wherein the viscosities of o-phenylphenoxyethyl acrylate, (ethoxy) phenol acrylate, 2-phenoxyethyl acrylate, isobornyl acrylate and 1, 6-hexanediol diacrylate are lower, and the system viscosity can be reduced after the acrylic acid active monomer is added; the reaction speed of the tripropylene glycol diacrylate, the (ethoxy) bisphenol A diacrylate and the 4 (ethoxy) bisphenol A diacrylate is high, and the reaction speed of the system can be improved after the tripropylene glycol diacrylate, the (ethoxy) bisphenol A diacrylate and the 4 (ethoxy) bisphenol A diacrylate are added; 10 (ethoxy) bisphenol A diacrylate, 20 (ethoxy) bisphenol A diacrylate and 30 (ethoxy) bisphenol A diacrylate have more ethoxy groups, so that the reaction speed is reduced, and the reaction shrinkage of the system can be reduced after the addition of the 10 (ethoxy) bisphenol A diacrylate, the 20 (ethoxy) bisphenol A diacrylate and the 30 (ethoxy) bisphenol A diacrylate; trimethylolpropane triacrylate, pentaerythritol tetraacrylate and dipentaerythritol hexapentaacrylate are multifunctional monomers, and the crosslinking density and the reaction speed can be improved after the multifunctional monomers are added.
The addition of the auxiliary agent enables the surface of the formed PET base material to have a smooth effect.
The photocureable coating prepared by the invention has the following characteristics: low viscosity, low shrinkage, fast curing and high hardness of the cured coating. Therefore, a larger amount of acrylic reactive monomer is required to lower the viscosity; and part of multifunctional monomers are selected to increase the reaction speed and the crosslinking density of the system. The resin selection is also biased toward high reaction rates and low shrinkage.
The preparation method of the photocureable coating comprises the following steps:
mixing 10-50 parts by weight of acrylic acid active monomer and 1-10 parts by weight of photoinitiator, stirring and dissolving uniformly, adding 5-50 parts by weight of acrylic resin and 0.1-5 parts by weight of auxiliary agent, stirring and dissolving uniformly to prepare the photocuring coating, and filtering and purifying the photocuring coating, specifically filtering the uniformly mixed photocuring coating through a 0.5-micron filter bag.
The speed and time of the two times of stirring are enough to mix the mixed materials evenly, and the best mode is to stir the mixed materials for 30-120min at the speed of 500-2000 rpm.
The reason for mixing and stirring the acrylic reactive monomer and the photoinitiator in advance is that the acrylic reactive monomer has a low viscosity, which is advantageous for dispersing and solvent-solid photoinitiators, and if the acrylic resin is added together at the same time, the viscosity of the system is increased, and the stirring time is increased. The preparation time is shortened.
The auxiliary agent is easy to generate bubbles during stirring, so that the auxiliary agent is added later to reduce the generation of bubbles.
The curing transfer printing method comprises the following steps: coating the prepared photocureable coating on a glass carrying platform to form a PET (polyethylene terephthalate) base material, rolling a fan-shaped structure on the PET base material by a tapered roller at a constant speed, and transferring the circular Fresnel structure on the tapered roller onto the PET base material. The ultraviolet lamp and the conical roller synchronously move while the conical roller rolls and is arranged below the carrying platform, so that the rolled position of the PET substrate is in an ultraviolet environment, the ultraviolet lamp is an LED UV lamp, the wavelength is mainly concentrated on a UVA waveband, and the energy density of the ultraviolet light is more than 30mj/cm2. The connecting lines of the centers of all the ultraviolet lamps and the axis of the conical roller are positioned on the same vertical surface, so that the ultraviolet lamps are ensured to be in an ultraviolet environment while being rolled, and the curing effect and the curing efficiency are improved. PhotoinitiatorThe ultraviolet light energy, the type of the photoinitiator and the component of the photoinitiator can realize that the liquid PET substrate can be converted from the liquid state to the solid state within 1 second.
Example 1
The preparation method of the photocureable coating comprises the following steps:
28g of 1, 6-hexanediol diacrylate (EM 221 produced by Changxing company), 7g of trimethylolpropane triacrylate (EM 231 produced by Changxing company) and 3.5g of photoinitiator (PI 184 produced by Changxing company) were mixed, stirred at 1000rpm/min for 45min, then 30g of urethane acrylate (CN 981 produced by Saedoma company) and 1.5g of auxiliary agent (BYK 333 produced by Pick company) were added and mixed, stirred at 800rpm/min for 30min to prepare a photocurable coating, and the uniformly mixed photocurable coating was filtered through a 0.5-micron filter bag.
Example 2
The preparation method of the photocureable coating comprises the following steps:
15g of o-phenylphenoxyethyl acrylate (EM 2105 produced by Changxing company), 5g of trimethylolpropane triacrylate (EM 231 produced by Changxing company) and 2.5g of photoinitiator (PI 1173 produced by Changxing company) are mixed, stirred at the rotating speed of 500rpm/min for 60min, then 40g of polyester acrylic resin (CN 704 produced by Sartomer company) and 3g of auxiliary agent (TEGO 410 produced by Germany Digao company) are added and mixed, stirred at the rotating speed of 2000rpm/min for 30min to prepare the photocuring coating, and the uniformly mixed photocuring coating is filtered by a 0.5-micron filter bag.
Example 3
The preparation method of the photocureable coating comprises the following steps:
40g of 1, 6-hexanediol diacrylate (EM 221 produced by Changxing company), 10g of pentaerythritol acrylate (EM 235 produced by Changxing company) and 5g of photoinitiator (PI 184 produced by Changxing company) are mixed, stirred at the rotating speed of 800rpm/min for 80min, then 20g of epoxy acrylic resin (CN 104 produced by Sudoma company) and 1g of auxiliary agent (BYK 333 produced by Pico company) are added and mixed, stirred at the rotating speed of 1200rpm/min for 30min to prepare the photocuring coating, and the uniformly mixed photocuring coating is filtered by a 0.5-micron filter bag.
Example 4
The preparation method of the photocureable coating comprises the following steps:
38g of 1, 6-hexanediol diacrylate (EM 221 produced by Changxing company), 7g of trimethylolpropane triacrylate (EM 231 produced by Changxing company) and 2g of photoinitiator (PI TPO produced by Changxing company) were mixed, and stirred at 1500rpm/min for 45min, 10g of urethane acrylic resin (CN 981 produced by Sartomer company), 5g of polyester acrylic resin (CN 704 produced by Sartomer company) and 2.5g of auxiliary agent (TEGO 450 produced by Degao company, Germany) were further added and mixed, and stirred at 800rpm/min for 90min to prepare a photocurable coating, and the uniformly mixed photocurable coating was filtered through a 0.5-micron filter bag.
Comparative example 1
Comparative example 1 reference is made to the starting materials and preparation process of example 1, except that a photocurable coating is obtained without the addition of an acrylic reactive monomer.
Comparative example 2
Comparative example 2 reference is made to the starting materials and preparation process of example 1, except that a photocurable coating is obtained without the addition of an acrylic resin.
Comparative example 3
Comparative example 3 referring to the raw materials and preparation method of example 1, except that 20g of 1, 6-hexanediol diacrylate (EM 221 manufactured by Changxing company), 8g of trimethylolpropane triacrylate (EM 231 manufactured by Changxing company) and 4g of photoinitiator (PI 184 manufactured by Changxing company) were mixed, stirred at 1500rpm/min for 45min, 67g of urethane acrylate (CN 981 manufactured by Saedoma company) and 1g of auxiliary agent (BYK 333 manufactured by Bick company) were added and mixed, stirred at 800rpm/min for 90min to prepare a photocurable coating, and the uniformly mixed photocurable coating was filtered through a 0.5 μm filter bag.
The photo-curing coatings prepared in examples 1-4 and comparative examples 1-3 were cured and transferred as follows:
coating the prepared photocureable coating on a glass carrying platform to form a PET (polyethylene terephthalate) base material, rolling a fan-shaped structure on the PET base material by a tapered roller at a constant speed, and transferring the circular Fresnel structure on the tapered roller onto the PET base material. The ultraviolet lamp arranged below the carrying platform synchronously moves with the roller while the conical roller rolls, so that the rolled part of the PET substrate is simultaneously in an ultraviolet environment, and the energy density of the ultraviolet light is more than 30mj/cm2。
Comparative example 4
Comparative example 4 a photocurable coating was prepared in the same manner as in example 1, except that the curing transfer method was performed in the manner described in background art D1.
The following properties were tested:
1. adhesion force: the adhesion was tested using the cross-hatch method according to the test method of ASTM D3359.
2. Structural integrity of transfer printing: the integrity of the transferred structure is observed under a 3D microscope, and the integrity is divided into excellent, good and poor in one time from good to poor.
3. Demoulding property: the transfer film is difficult to be easily separated from the tapered roller, and is inferior, good, and excellent.
4. Flexibility: the bending angle of the largest coating without cracking is tested by a bending machine, and the flexibility is better when the angle is larger.
5. High temperature resistance: the coatings were tested for adhesion after 120H at 80 ℃.
6. Wettability: the coatings were tested for water contact angle at 25 ℃ with the lower the water contact angle the better the wetting.
Table 1 shows the results of the performance tests of the various photocurable coatings
As shown in table 1, the coating transferred by the photocurable coating of the present invention has the characteristics of good adhesion, transfer integrity, mold release, flexibility, high temperature resistance, and wettability.
The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The laser projection screen cloth photocureable coating is characterized by being prepared from the following components in parts by weight:
10-50 parts of acrylic acid active monomer, 5-50 parts of acrylic resin, 1-10 parts of photoinitiator and 0.1-5 parts of auxiliary agent.
2. The laser projection screen light-cured coating as claimed in claim 1, which is prepared from the following components in parts by weight:
20-50 parts of acrylic acid active monomer, 15-45 parts of acrylic resin, 2-5 parts of photoinitiator and 0.1-3 parts of auxiliary agent.
3. The laser projection screen light curable coating according to claim 1 or 2, wherein the acrylic reactive monomer is one or more of o-phenylphenoxyethyl acrylate, (ethoxy) phenol acrylate, 2-phenoxyethyl acrylate, isobornyl acrylate, 1, 6-hexanediol diacrylate, tripropylene glycol diacrylate, (ethoxy) bisphenol a diacrylate, 4 (ethoxy) bisphenol a diacrylate, 10 (ethoxy) bisphenol a diacrylate, 20 (ethoxy) bisphenol a diacrylate, 30 (ethoxy) bisphenol a diacrylate, trimethylolpropane triacrylate, pentaerythritol tetraacrylate, dipentaerythritol hexapentaacrylate.
4. The laser projection screen light-curable coating according to claim 1 or 2, wherein the acrylic resin is one or more of polyurethane acrylic resin, epoxy acrylic resin, polyester acrylic resin and polycarbonate acrylic resin.
5. The laser projection screen cloth photocureable coating of claim 1 or 2, wherein the photoinitiator is one or more of PI 184, PI 907, PITPO, PIBP, PI 819 and PI 1173.
6. The laser projection screen cloth photocureable coating of claim 1 or 2, wherein the auxiliary agent is one or more of BYK333, BYK 3500, BYK 3505, BYK3510, BYK3530, BYK3535, BYK3570, BYK3575, ZG 400, TEGO 100, TEGO 410, TEGO 450 and TEGO 432.
7. The preparation method of the photocureable coating is characterized by comprising the following steps: mixing 10-50 parts by weight of acrylic acid active monomer and 1-10 parts by weight of photoinitiator, stirring and dissolving uniformly, adding 5-50 parts by weight of acrylic resin and 0.1-5 parts by weight of auxiliary agent, stirring and dissolving uniformly to obtain the photocuring coating.
8. The curing transfer printing method is characterized by comprising the following steps: the photocurable coating prepared according to claim 7 was applied to a carrier platform to form a PET substrate, and a roller was rolled on the PET substrate.
9. The curing and transferring method according to claim 8, wherein the ultraviolet lamps and the rollers arranged below the carrying platform move synchronously while rolling, so that the rolled portion of the PET substrate is in an ultraviolet environment at the same time.
10. The method of claim 9The curing and transfer printing method is characterized in that an ultraviolet lamp is a UV lamp, and the energy density of the UV lamp is more than 30mj/cm2。
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| US20220100073A1 (en) * | 2019-01-30 | 2022-03-31 | Appotronics Corporation Limited | Optical coating for projection screen |
| US11921415B2 (en) * | 2019-01-30 | 2024-03-05 | Appotronics Corporation Limited | Optical coating for projection screen |
| CN114280705A (en) * | 2021-12-31 | 2022-04-05 | 凯鑫森(上海)功能性薄膜产业股份有限公司 | Preparation method of anti-interference stain-resistant adhesive film, adhesive film and screen |
| CN114280705B (en) * | 2021-12-31 | 2023-08-15 | 凯鑫森(上海)功能性薄膜产业股份有限公司 | Preparation method of interference-resistant and stain-resistant laminating film, laminating film and screen |
| CN116042001A (en) * | 2023-03-31 | 2023-05-02 | 宁波长阳科技股份有限公司 | Ultraviolet light curing coating, reflecting film and preparation method thereof |
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