CN114030304A - Micro-nano structure transfer printing method based on reusable ultraviolet curing material - Google Patents
Micro-nano structure transfer printing method based on reusable ultraviolet curing material Download PDFInfo
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- CN114030304A CN114030304A CN202111275152.9A CN202111275152A CN114030304A CN 114030304 A CN114030304 A CN 114030304A CN 202111275152 A CN202111275152 A CN 202111275152A CN 114030304 A CN114030304 A CN 114030304A
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- 239000002086 nanomaterial Substances 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 52
- 239000000463 material Substances 0.000 title claims abstract description 51
- 238000010023 transfer printing Methods 0.000 title claims abstract description 29
- 238000000576 coating method Methods 0.000 claims abstract description 121
- 239000011248 coating agent Substances 0.000 claims abstract description 119
- 238000013329 compounding Methods 0.000 claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 239000011253 protective coating Substances 0.000 claims abstract description 6
- 238000001771 vacuum deposition Methods 0.000 claims abstract description 6
- 238000003825 pressing Methods 0.000 claims abstract description 3
- 229920006267 polyester film Polymers 0.000 claims description 27
- 239000000853 adhesive Substances 0.000 claims description 13
- 230000001070 adhesive effect Effects 0.000 claims description 13
- 238000007639 printing Methods 0.000 claims description 11
- 239000000126 substance Substances 0.000 claims description 11
- 230000003064 anti-oxidating effect Effects 0.000 claims description 10
- 239000002519 antifouling agent Substances 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 10
- 239000010410 layer Substances 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- 239000011247 coating layer Substances 0.000 claims description 5
- 239000013078 crystal Substances 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 230000007613 environmental effect Effects 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 5
- 238000007747 plating Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 230000037303 wrinkles Effects 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 4
- 229920002799 BoPET Polymers 0.000 claims description 2
- 238000004880 explosion Methods 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000001723 curing Methods 0.000 description 57
- 238000007650 screen-printing Methods 0.000 description 8
- 238000010030 laminating Methods 0.000 description 4
- 230000009172 bursting Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000000016 photochemical curing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
- B41M5/03—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet by pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
- B41M1/30—Printing on other surfaces than ordinary paper on organic plastics, horn or similar materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0011—Pre-treatment or treatment during printing of the recording material, e.g. heating, irradiating
- B41M5/0017—Application of ink-fixing material, e.g. mordant, precipitating agent, on the substrate prior to printing, e.g. by ink-jet printing, coating or spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/0081—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using electromagnetic radiation or waves, e.g. ultraviolet radiation, electron beams
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Printing Methods (AREA)
Abstract
The invention belongs to the technical field of transfer printing processes, and particularly relates to a micro-nano structure transfer printing method based on a reusable ultraviolet curing material. A micro-nano structure transfer printing method based on a reusable ultraviolet curing material comprises the following steps: ultraviolet curing mould pressing, vacuum coating, coating of a coating protective coating, a compounding process and a stripping process. According to the micro-nano structure transfer printing method based on the reusable ultraviolet curing material, the used roll-shaped template can be reused in the construction process, and the production cost is effectively reduced; the light curing technology is introduced, so that the micro-nano structure can be simply and effectively constructed, and the light curing technology has obvious advantages compared with other high-cost means; by constructing the micro-nano structure, the three-dimensional effect can be effectively manufactured.
Description
Technical Field
The invention belongs to the technical field of transfer printing processes, and particularly relates to a micro-nano structure transfer printing method based on a reusable ultraviolet curing material.
Background
The transfer printing technology is a printing technology for transferring pictures and texts on an intermediate carrier to a printing stock by adopting corresponding pressure, and can be divided into the following steps: water transfer, air transfer, screen transfer, and thermal transfer. The silk screen printing refers to that a silk screen is used as a plate base, and a silk screen printing plate with pictures and texts is manufactured by a photosensitive plate making method. The screen printing is composed of five major elements, namely a screen printing plate, a scraper, ink, a printing table and a printing stock. The basic principle that the meshes of the image-text part and the non-image-text part of the screen printing plate are permeable to ink and impermeable to ink is utilized to print. When printing, ink is poured into one end of the screen printing plate, a scraper plate is used for applying a certain pressure to the ink position on the screen printing plate, meanwhile, the scraper plate moves towards the other end of the screen printing plate at a constant speed, and the ink is extruded onto a printing stock from meshes of the image-text part by the scraper plate in the moving process. Due to the fact that the micro-nano structure is introduced in the transfer printing process, the transfer printing pattern can be more three-dimensional, the pattern effect is better, and based on the reason, the invention hopes to provide the micro-nano structure transfer printing method based on the reusable ultraviolet curing material.
Disclosure of Invention
The invention aims to provide a micro-nano structure transfer printing method based on a reusable ultraviolet curing material, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a micro-nano structure transfer printing method based on a reusable ultraviolet curing material comprises the following steps:
(1) ultraviolet curing and mould pressing: carrying out chemical treatment on a polyester film, coating an ultraviolet curing information layer coating on one surface of the polyester film subjected to chemical treatment, further laminating the polyester film with a single template with micro-nano structure information, and carrying out ultraviolet curing to form a coating with a complete micro-nano structure on the polyester film to obtain a coiled template; the temperature of the ultraviolet curing coating is 30-40 ℃, the distance between an ultraviolet curing lamp and the surface of a single template is 55-65mm, and the ultraviolet curing energy is 20mJ/cm2-50mJ/cm2The curing wavelength of the ultraviolet curing lamp is matched with the wavelength of the photoinitiator in the ultraviolet curing information coating;
(2) vacuum coating: coating the coiled template to obtain a coiled spray coating plate, wherein the coating thickness tolerance is +/-10%, the coating vacuum degree is more than or equal to 5 multiplied by 10 < -3 > kPa, and the purity of aluminum wires in a coating material is more than or equal to 99.8%;
(3) coating of a plating protective coating: the environmental temperature of a coating area is 10-35 ℃, the relative humidity range is 45-70% RH, the temperature of the coating protective paint during coating is 22-26 ℃, the coating speed tolerance is +/-5 m/min, the drying temperature is 77-82 ℃ after coating is finished, and the coating dry weight tolerance is less than or equal to 0.1g/m2After the coating of the coating protective paint is finished, a transfer printing material is obtained;
(4) the compounding process comprises the following steps: compounding a transfer material and a printing material by means of a transfer adhesive, wherein the relative humidity range of the environment of a production area is 50-70% RH in the compounding process, the transfer adhesive is uniformly coated, the compounding pressure is uniform, and the composite material containing the micro-nano structure is obtained after the compounding is finished;
(5) and (3) stripping process: curing the composite material containing the micro-nano structure before stripping, wherein the curing temperature is controlled to be 35-45 ℃, the curing time is more than or equal to 12 hours, and meanwhile, the relative humidity range is controlled to be 50-70% RH; and (3) coating an anti-oxidation surface coating on the micro-nano structure material coating layer after stripping, wherein the surface tension of the anti-oxidation surface coating is more than or equal to 38mN/m, and recovering the stripped roll-shaped template for secondary use.
Preferably, the ultraviolet light curing information layer coating is transparent and has no impurities, the adhesive force between the coating and the chemically treated surface of the PET film is less than or equal to 1 grade, and the surface tension of the coating is less than or equal to 38 mN/m.
Preferably, the polyester film winding drum has flat end faces, good transparency, no wrinkle, rib explosion, dent, obvious rainbow mark, oil stain and crystal point, the surface tension of a using face is more than or equal to 48mN/m, the thickness tolerance is +/-2.0 mu m of a nominal value, the longitudinal tensile strength is more than or equal to 200Mpa, the thermal shrinkage rate is less than or equal to 3.0 percent in the longitudinal direction, less than or equal to 1.0 percent in the transverse direction, and the width tolerance is less than the nominal value and +2 mm.
Preferably, the front and back surfaces of the single template have no through-hole points or obvious burrs, the image-text information is clear and complete, no scratch or smudge exists, the number of black points and bright points with the diameter phi of more than 1.0mm in each layout is 0, and the number of black points or bright points with the diameter phi of more than 1.8 mm on each layout is not more than 1; no more than 3 black spots or bright spots with the diameter of more than or equal to phi and more than 0.5mm are arranged on each layout; the number of black spots or bright spots of which the diameter is more than or equal to 0.2mm and is more than or equal to 0.5mm on each layout is not more than 8, the allowance in the width direction is less than 5mm, the allowance in the plate pitch direction is less than 0.5mm, and the thickness and the allowance are 130 +/-30 mu m.
Preferably, the quantitative tolerance of the micro-nano structure material is +/-3%, the width tolerance is +/-0.5 mm, the thickness tolerance is +/-15 mu m, the plate spacing tolerance is +/-0.5 mm, the image-text unit spacing tolerance is +/-0.25 mm, the surface tension is more than or equal to 38mN/m, and the plane tension skewness is less than or equal to 0.5 mm.
Preferably, in the micro-nano structure material, black spots or bright spots with the diameter larger than 0.5mm are zero; in each plate pitch, the number of black spots or bright spots with the diameter not more than 0.5mm is not more than 5.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the micro-nano structure transfer printing method based on the reusable ultraviolet curing material, the used roll-shaped template can be reused in the construction process, and the production cost is effectively reduced;
(2) according to the micro-nano structure transfer printing method based on the reusable ultraviolet curing material, a photocuring technology is introduced, the micro-nano structure can be simply and effectively constructed, and compared with other high-cost means, the photocuring technology has obvious advantages;
(3) according to the micro-nano structure transfer printing method based on the reusable ultraviolet curing material, provided by the invention, the three-dimensional effect can be effectively produced by constructing the micro-nano structure.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a micro-nano structure transfer printing method based on a reusable ultraviolet curing material.
Example 1
(1) Selecting polymersThe polyester film roll has smooth end surface, high transparency, no wrinkles, rib bursting, dent, obvious rainbow mark, oil stain and crystal point, surface tension of 48mN/m, thickness tolerance of 2.0 micron, longitudinal tensile strength of 200MPa, heat shrinkage of 3.0% in longitudinal direction, transverse direction of 1.0% and width tolerance of 2 mm. Carrying out chemical treatment on a polyester film, coating an ultraviolet light curing information layer coating on one surface of the polyester film subjected to chemical treatment, and further laminating the polyester film with a single template with micro-nano structure information, wherein through-hole points and obvious burrs do not exist on the front and back surfaces of the single template, image-text information is clear and complete, no scratch and no smudge exist, the diameter phi of each layout is more than 1.0mm, the number of bright points is 0, and the number of black points or bright points with the diameter phi of more than 1.0mm or more than 0.8mm on each layout is 1; 3 black spots or bright spots with the diameter of more than or equal to phi and more than 0.5mm are arranged on each layout; each layout has 8 black spots or bright spots with the thickness of more than or equal to phi and more than 0.2mm, the tolerance in the width direction is 5mm, the tolerance in the plate pitch direction is less than 0.5mm, and the thickness and the tolerance are 130 +/-30 mu m. Then the mixture is subjected to ultraviolet curing at 40 ℃, and the ultraviolet curing energy is 50mJ/cm in the ultraviolet curing process2And the curing wavelength of the ultraviolet curing lamp is matched with the wavelength of a photoinitiator in the ultraviolet curing information coating, the distance between the ultraviolet curing lamp and the surface of the single template is 65mm, and a coating with a complete micro-nano structure is formed on the polyester film to obtain the coiled template. The quantitative tolerance of the micro-nano structure material on the roll-shaped template is 3%, the width tolerance is 0.5mm, the thickness tolerance is 15 mu m, the plate pitch tolerance is 0.5mm, the image-text unit pitch tolerance is 0.25mm, the surface tension is 38mN/m, and the plane tension skewness is less than or equal to 0.5 mm. In the micro-nano structure of the roll-shaped template, 0 black spots or bright spots with the diameter of more than 0.5mm are arranged; in each plate pitch, there are 5 black spots or bright spots with a diameter of not more than 0.5 mm. In the above process, the ultraviolet light curing information layer coating should be transparent and free of impurities, and when the adhesion force of the coating and the chemical treatment surface of the polyester film is less than or equal to level 1. After the coating was complete, the surface tension of the coating was 38 mN/m.
(2) Vacuum coating: selecting a coating material containing aluminum wires with the purity of more than or equal to 99.8 percent, coating the coiled template to obtain a coiled spray coating plate, wherein the thickness tolerance of the coating is 10 percent, and coatingThe vacuum degree is more than or equal to 5 multiplied by 10 in the process-3kPa。
(3) Coating of a plating protective coating: the environmental temperature of the coating area is 35 ℃, the relative humidity range is 70% RH, the temperature of the coating protective paint during coating is 26 ℃, the coating speed tolerance is 5m/min, the drying temperature after coating is 82 ℃, and the coating dry weight tolerance is 0.1g/m2After the coating of the coating protective paint is finished, a transfer printing material is obtained;
(4) the compounding process comprises the following steps: compounding a transfer material and a printing material by means of a transfer adhesive, wherein the relative humidity range of the environment of a production area is 50-70% RH in the compounding process, the transfer adhesive is uniformly coated, the compounding pressure is uniform, and the composite material containing the micro-nano structure is obtained after the compounding is finished;
(5) and (3) stripping process: curing the composite material containing the micro-nano structure before stripping, wherein the curing temperature is controlled to be 45 ℃, the curing time is more than or equal to 12 hours, and meanwhile, the relative humidity range is controlled to be 70% RH; and (3) coating an anti-oxidation surface coating on the micro-nano structure material coating layer after stripping, wherein the surface tension of the anti-oxidation surface coating is 38mN/m, and recovering the stripped coiled template for secondary use.
Example 2
(1) The polyester film is selected, the end face of the selected polyester film winding drum is flat, the transparency is good, no wrinkles, rib bursting, sinking, obvious rainbow marks, oil stains and crystal points exist, the surface tension of the used surface is 50mN/m, the tolerance of the thickness is 2.0 mu m, the longitudinal tensile strength is 210Mpa, the thermal shrinkage rate is 2.5 percent in the longitudinal direction, the transverse direction is 0.5 percent, and the tolerance of the width is 1 mm. The method comprises the following steps of carrying out chemical treatment on a polyester film, coating ultraviolet curing information layer coating on one chemically treated surface of the polyester film, and further laminating the polyester film with a single template with micro-nano structure information, wherein through-hole points and obvious burrs do not exist on the front and back surfaces of the single template, image-text information is clear and complete, no scratch and no smudge exist, 0 black points and 0 bright points with the diameter phi of more than 1.0mm are arranged in each layout, and 0 black points or bright points with the diameter phi of more than 1.0mm or more than 0.8mm are arranged on each layout; 2 black spots or bright spots with the diameter of more than or equal to phi and more than 0.5mm are arranged on each layout; each layout has 5 black spots or bright spots with the thickness of 0.5mm or more and phi more than 0.2mm, the tolerance in the width direction is 4mm, and the layout distance directionHas a tolerance of 0.4mm and a thickness and a tolerance of 130 + -30 μm. Then the mixture is subjected to ultraviolet curing at 35 ℃, and in the ultraviolet curing process, the ultraviolet curing energy is 40mJ/cm2And the curing wavelength of the ultraviolet curing lamp is matched with the wavelength of a photoinitiator in the ultraviolet curing information coating, the distance between the ultraviolet curing lamp and the surface of the single template is 60mm, and a coating with a complete micro-nano structure is formed on the polyester film to obtain the coiled template. The quantitative tolerance of the micro-nano structure material on the roll-shaped template is 2%, the width tolerance is 0.3mm, the thickness tolerance is 15 mu m, the plate distance tolerance is 0.3mm, the image-text unit distance tolerance is 0.2mm, the surface tension is 42mN/m, and the plane tension skewness is less than or equal to 0.5 mm. In the micro-nano structure of the roll-shaped template, 0 black spots or bright spots with the diameter of more than 0.5mm are arranged; in each plate pitch, there are 2 black spots or bright spots with a diameter of not more than 0.5 mm. In the above process, the ultraviolet light curing information layer coating should be transparent and free of impurities, and when the adhesion force of the coating and the chemical treatment surface of the polyester film is less than or equal to level 1. After the coating was complete, the surface tension of the coating was 35 mN/m.
(2) Vacuum coating: selecting a coating material containing aluminum wires, wherein the purity of the aluminum wires is more than or equal to 99.8 percent, coating the coiled template to obtain a coiled spray coating plate, wherein the thickness tolerance of the coating is 10 percent, and the vacuum degree is more than or equal to 5 multiplied by 10 < -3 > kPa during the coating process.
(3) Coating of a plating protective coating: the environmental temperature of the coating area is 25 ℃, the relative humidity range is 60% RH, the temperature of the coating protective paint during coating is 24 ℃, the tolerance of the coating speed is 5m/min, the drying temperature after coating is 80 ℃, and the tolerance of the coating dry weight is 0.1g/m2After the coating of the coating protective paint is finished, a transfer printing material is obtained;
(4) the compounding process comprises the following steps: compounding a transfer material and a printing material by means of a transfer adhesive, wherein the relative humidity range of the environment of a production area is 60% RH in the compounding process, the transfer adhesive is uniformly coated, the compounding pressure is uniform, and the composite material containing the micro-nano structure is obtained after the compounding is finished;
(5) and (3) stripping process: curing the composite material containing the micro-nano structure before stripping, wherein the curing temperature is controlled to be 40 ℃, the curing time is more than or equal to 12 hours, and meanwhile, the relative humidity range is controlled to be 60% RH; and (3) coating an anti-oxidation surface coating on the micro-nano structure material coating layer after stripping, wherein the surface tension of the anti-oxidation surface coating is 45mN/m, and recovering the stripped roll-shaped template for secondary use.
Example 3
(1) The polyester film is selected, the end face of the selected polyester film winding drum is flat, the transparency is good, no wrinkles, rib bursting, sinking, obvious rainbow marks, oil stains and crystal points exist, the surface tension of the used surface is 50mN/m, the tolerance of the thickness is 2.0 mu m, the longitudinal tensile strength is 250Mpa, the thermal shrinkage rate is 1.5 percent in the longitudinal direction, 0.5 percent in the transverse direction, and the tolerance of the width is 2 mm. The method comprises the following steps of carrying out chemical treatment on a polyester film, coating ultraviolet curing information layer coating on one chemically treated surface of the polyester film, and further laminating the polyester film with a single template with micro-nano structure information, wherein through-hole points and obvious burrs do not exist on the front and back surfaces of the single template, image-text information is clear and complete, no scratch is caused, no dirt is left, black points and bright points with the diameter phi of more than 1.0mm are 0 in each layout, and black points or bright points with the diameter phi of more than 1.0mm or more than 0.8mm on each layout are 1; 3 black spots or bright spots with the diameter of more than or equal to phi and more than 0.5mm are arranged on each layout; each layout has 5 black spots or bright spots with the thickness of more than or equal to phi and more than 0.2mm, the tolerance in the width direction is 5mm, the tolerance in the plate pitch direction is 0.3mm, and the thickness and tolerance are 130 +/-30 mu m. Then the mixture is subjected to ultraviolet curing at the temperature of 30 ℃, and the ultraviolet curing energy is 20mJ/cm in the ultraviolet curing process2And the curing wavelength of the ultraviolet curing lamp is matched with the wavelength of a photoinitiator in the ultraviolet curing information coating, the distance between the ultraviolet curing lamp and the surface of the single template is 55mm, and a coating with a complete micro-nano structure is formed on the polyester film to obtain the coiled template. The quantitative tolerance of the micro-nano structure material on the roll-shaped template is 1%, the width tolerance is 0.5mm, the thickness tolerance is 15 mu m, the plate pitch tolerance is 0.5mm, the image-text unit pitch tolerance is 0.25mm, the surface tension is 45mN/m, and the plane tension skewness is less than or equal to 0.5 mm. In the micro-nano structure of the roll-shaped template, 0 black spots or bright spots with the diameter of more than 0.5mm are arranged; in each plate pitch, there are 3 black spots or bright spots with a diameter of not more than 0.5 mm. In the above process, the UV-curable information layer coating selected should be transparent and free of impurities, when the coating is combined with mylarThe adhesive force of the chemical treatment surface is less than or equal to grade 1. After the coating was completed, the surface tension of the coating was 30 mN/m.
(2) Vacuum coating: selecting a coating material containing aluminum wires, wherein the purity of the aluminum wires is more than or equal to 99.8 percent, coating the coiled template to obtain a coiled spray coating plate, wherein the thickness tolerance of the coating is 10 percent, and the vacuum degree is more than or equal to 5 multiplied by 10 < -3 > kPa during the coating process.
(3) Coating of a plating protective coating: the environmental temperature of the coating area is 10 ℃, the relative humidity range is 45% RH, the temperature of the coating protective paint during coating is 22 ℃, the tolerance of the coating speed is 5m/min, the drying temperature is 77 ℃ after coating is finished, and the tolerance of the coating dry weight is 0.1g/m2After the coating of the coating protective paint is finished, a transfer printing material is obtained;
(4) the compounding process comprises the following steps: compounding a transfer material and a printing material by means of a transfer adhesive, wherein the relative humidity range of the environment of a production area is 50% RH in the compounding process, the transfer adhesive is uniformly coated, the compounding pressure is uniform, and the composite material containing the micro-nano structure is obtained after the compounding is finished;
(5) and (3) stripping process: curing the composite material containing the micro-nano structure before stripping, wherein the curing temperature is controlled to be 35 ℃, the curing time is more than or equal to 12 hours, and meanwhile, the relative humidity range is controlled to be 50% RH; and (3) coating an anti-oxidation surface coating on the micro-nano structure material coating layer after stripping, wherein the surface tension of the anti-oxidation surface coating is 38mN/m, and recovering the stripped coiled template for secondary use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A micro-nano structure transfer printing method based on a reusable ultraviolet curing material is characterized by comprising the following steps:
(1) ultraviolet curing and mould pressing: taking polyester film to carry out chemical treatment, and coating the chemically treated surface of the polyester filmThe method comprises the following steps that ultraviolet light is used for curing information layer coating, the ultraviolet light is further pressed with a single template with micro-nano structure information, and then ultraviolet light is used for curing to form a coating with a complete micro-nano structure on a polyester film, so that a packaged template is obtained; the temperature of the ultraviolet curing coating is 30-40 ℃, the distance between an ultraviolet curing lamp and the surface of a single template is 55-65mm, and the ultraviolet curing energy is 20mJ/cm2-50mJ/cm2The curing wavelength of the ultraviolet curing lamp is matched with the wavelength of the photoinitiator in the ultraviolet curing information coating;
(2) vacuum coating: coating the coiled template to obtain a coiled spray coating plate, wherein the coating thickness tolerance is +/-10%, and the coating vacuum degree is more than or equal to 5 multiplied by 10-3kPa, the purity of the aluminum wire in the coating material is more than or equal to 99.8 percent;
(3) coating of a plating protective coating: the environmental temperature of a coating area is 10-35 ℃, the relative humidity range is 45-70% RH, the temperature of the coating protective paint during coating is 22-26 ℃, the coating speed tolerance is +/-5 m/min, the drying temperature is 77-82 ℃ after coating is finished, and the coating dry weight tolerance is less than or equal to 0.1g/m2After the coating of the coating protective paint is finished, a transfer printing material is obtained;
(4) the compounding process comprises the following steps: compounding a transfer material and a printing material by means of a transfer adhesive, wherein the relative humidity range of the environment of a production area is 50-70% RH in the compounding process, the transfer adhesive is uniformly coated, the compounding pressure is uniform, and the composite material containing the micro-nano structure is obtained after the compounding is finished;
(5) and (3) stripping process: curing the composite material containing the micro-nano structure before stripping, wherein the curing temperature is controlled to be 35-45 ℃, the curing time is more than or equal to 12 hours, and meanwhile, the relative humidity range is controlled to be 50-70% RH; and (3) coating an anti-oxidation surface coating on the micro-nano structure material coating layer after stripping, wherein the surface tension of the anti-oxidation surface coating is more than or equal to 38mN/m, and recovering the stripped roll-shaped template for secondary use.
2. The micro-nano structure transfer printing method based on the reusable ultraviolet curing material according to claim 1, characterized in that: the ultraviolet light curing information layer coating is transparent and free of impurities, the adhesive force between the coating and the chemical treatment surface of the PET film is less than or equal to 1 grade, and the surface tension of the coating is less than or equal to 38 mN/m.
3. The micro-nano structure transfer printing method based on the reusable ultraviolet curing material according to claim 1, characterized in that: the polyester film winding drum has the advantages of smooth end face, good transparency, no wrinkle, rib explosion, dent, obvious rainbow print, oil stain and crystal point, the surface tension of the use surface is more than or equal to 48mN/m, the thickness tolerance is +/-2.0 mu m of a nominal value, the longitudinal tensile strength is more than or equal to 200Mpa, the thermal shrinkage rate is less than or equal to 3.0 percent in the longitudinal direction, less than or equal to 1.0 percent in the transverse direction, and the width tolerance is less than the nominal value +2 mm.
4. The micro-nano structure transfer printing method based on the reusable ultraviolet curing material according to claim 1, characterized in that: the front side and the back side of the single template have no through-hole points and obvious burrs, the image-text information is clear and complete, no scratch exists, no dirt exists, the number of black points and bright points with the diameter phi of more than 1.0mm in each layout is 0, and the number of black points or bright points with the diameter phi of more than 0.8mm on each layout is not more than 1; no more than 3 black spots or bright spots with the diameter of more than or equal to phi and more than 0.5mm are arranged on each layout; the number of black spots or bright spots of which the diameter is more than or equal to 0.2mm and is more than or equal to 0.5mm on each layout is not more than 8, the allowance in the width direction is less than 5mm, the allowance in the plate pitch direction is less than 0.5mm, and the thickness and the allowance are 130 +/-30 mu m.
5. The micro-nano structure transfer printing method based on the reusable ultraviolet curing material according to claim 1, characterized in that: the quantitative tolerance of the micro-nano structure material is +/-3%, the width tolerance is +/-0.5 mm, the thickness tolerance is +/-15 mu m, the plate spacing tolerance is +/-0.5 mm, the image-text unit spacing tolerance is +/-0.25 mm, the surface tension is more than or equal to 38mN/m, and the plane tension skewness is less than or equal to 0.5 mm.
6. The micro-nano structure transfer printing method based on the reusable ultraviolet curing material according to claim 1, characterized in that: in the micro-nano structure material, black spots or bright spots with the diameter larger than 0.5mm are zero; in each plate pitch, the number of black spots or bright spots with the diameter not more than 0.5mm is not more than 5.
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