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A kind of uv transfer printing process
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A process, a part of the technology, applied in the field of UV transfer printing process, can solve the problems of UV glue and edge residual glue in the glass window area, failure to meet product requirements, etc., to solve unstable performance test, stable product performance, cost reduction effect
Inactive Publication Date: 2019-01-08
深圳市尊宝精密光学有限公司
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Problems solved by technology
However, if transfer printing is done on glass, the industry still cannot solve the UV glue in the glass window area and the residual glue on the edge
Because the glass is cut to the size of the product for transfer, so after the cut product is transferred, there will be residual glue on the edge of the product, and a layer of UV glue will be transferred on the window area, so that the product cannot be achieved. Require
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Embodiment 1
[0038] Direct UV transfer printing on the glass surface, the steps are as follows:
[0039] (1) Cut the glass white sheet into the required size, cover it with PET film, and pack it;
[0040] (2) Use mold screen printing protective ink on the window area of the coated glass. The model of the protective ink is HM-107, and its components are polymeric prepolymer, photosensitive monomer, photoinitiator, coloring pigment, leveling agent; dosage is 0.5g, placed in a 115 degree oven for 12 minutes;
[0041] (3) Put UV glue on the whole glass, the model of UV glue is HM-508, its composition is prepolymer 40%, acrylate monomer 50%, photoinitiator 5%, auxiliary agent 5%. Carry out one curing, the curing temperature is 75 degrees, and the curing time is 2 minutes;
[0042] (4) Separate the silk screen mold from the glass, remove the substance on the window area with butanol, and perform secondary curing, wherein the temperature of the secondary curing is 80 degrees, and the time is ...
Embodiment 2
[0046] Direct UV transfer printing on the glass surface, the steps are as follows:
[0047] (1) Cut the glass white sheet into the required size, cover it with PET film, and pack it;
[0048](2) Use mold screen printing protective ink on the window area of the coated glass. The model of the protective ink is HM-107, and its components are polymeric prepolymer, photosensitive monomer, photoinitiator, coloring pigment, leveling agent; dosage is 0.5g, placed in a 125 degree oven for 10 minutes;
[0049] (3) Put UV glue on the whole glass, the model of UV glue is HM-508, its composition is prepolymer 40%, acrylate monomer 50%, photoinitiator 5%, auxiliary agent 5%. Carry out one curing, the curing temperature is 85 degrees, and the curing time is 1 minute;
[0050] (4) Separate the silk screen mold from the glass, remove the substance on the window area with butanol, and perform secondary curing, wherein the temperature of the secondary curing is 80 degrees, and the time is 1 ...
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Abstract
The invention is applied to the technical field of glass printing and particularly relates to a UV transfer printing technology. The UV transfer printing technology comprises the following steps: part of a substrate to be subjected to UV transfer printing is protected, the substrate is subjected to primary curing with UV glue, substances on the protected substrate are removed, and secondary curing is performed. UV transfer printing on glass surface is realized, with adoption of the method, not only is the problem of UV glue in a glass window area and residual glue at the edge in the industry at present solved, but also UV transfer printing can be directly performed on a glass lens or glass cover plate, and the thickness of a product is reduced.
Description
technical field [0001] The invention belongs to the technical field of plate surface treatment technology, and in particular relates to a UV transfer printing technology. Background technique [0002] UV transfer printing, also known as UV infusion process or UV coating process, uses the non-stick properties of UV transfer glue and metal, and uses molds to transfer various three-dimensional effects to PET (polyethylene terephthalate) through UV transfer process. ester) or PC (polycarbonate) sheet. For the surface effect treatment of many products, especially in products that require high surface treatment effects such as mobile phones, the UV transfer printing process has fundamentally replaced the traditional injection molding process. However, after using the PET explosion-proof film for UV transfer printing, it is attached to the glass lens or glass cover of the mobile phone through OCA optical adhesive (a layer of optically transparent double-sided adhesive), so that th...
Claims
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Application Information
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