Method for curing and shaping microstructural granules by ultraviolet

A curing molding, ultraviolet light technology, applied in stamps, instruments, identification devices, etc., can solve the problems of limitations in the field of use, and achieve the effect of high anti-counterfeiting ability and easy access to equipment

Active Publication Date: 2014-08-06
上海紫格光学薄膜材料有限公司
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  • Application Information

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Problems solved by technology

Similarly, since this technology exists in the form of tags, it also has great limitations in the field of use

Method used

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  • Method for curing and shaping microstructural granules by ultraviolet

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Embodiment

[0032] A method for UV-cured microstructure particles, such as figure 1 As shown, the method includes the following steps:

[0033] (1) coating a layer of peeling adhesive film 3 on the base film 4;

[0034] (2) coating the UV-curable coating layer 2 on the stripping adhesive film 3;

[0035] (3) placing a template 1 with a microstructure pattern 6 on the UV-curable coating layer 2;

[0036] (4) UV light is irradiated by the UV light source 5 on the underside of the base film 4, so that the UV-curable coating layer 2 is cured and broken into the same microstructure particles as the microstructure pattern 6 on the template 1, and the microstructure particles are peeled off. The adhesive layer is pasted on the base film 4;

[0037] (5) Peel off the microstructure particles from the base film 4 .

[0038] Wherein, the base film 4 is a plastic substrate with a smooth and even surface that can transmit ultraviolet light. The peeling adhesive film 3 is a thin film that can tran...

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Abstract

The invention relates to a method for curing and shaping microstructural granules by ultraviolet. The method includes: coating a separate adhesive film on a basement film; coating a ultraviolet curing coating layer on the separate adhesive film; placing a formwork with microstructural patterns on the ultraviolet curing coating layer; irradiating the ultraviolet curing coating layer by the ultraviolet via the lower side of the basement film to enable the ultraviolet curing coating layer to cure and break to form the microstructural granules which are identical to the microstructural patterns on the formwork and adhered onto the basement film via the separate film; and separating the microstructural granules from the basement film. Compared with the prior art, the method for curing and shaping the microstructural granules by the ultraviolet has the advantages that the prepared microstructural granules can be added into base materials or printing ink; since the microstructural granules are extremely small in average grain size which is in the micrometer level, anti-counterfeiting information of the microstructural granules can be recognized by observing shapes of the microstructural granules via a high magnified glass only; an ultraviolet fluorescent pigment is contained in the microstructural granules, the anti-counterfeiting information can be detected via the ultraviolet, and multiple anti-counterfeiting effects are achieved.

Description

technical field [0001] The invention relates to a method for manufacturing microstructure particles, in particular to a method for forming microstructure particles by ultraviolet light curing. Background technique [0002] With the development of economy, the contradiction between counterfeiting and anti-counterfeiting becomes more and more acute. Especially with the popularization of computer graphics processing technology, color copying, high-precision scanning, high-resolution printing, digital printing technology and large-scale printing equipment, the original anti-counterfeiting measures obtained by relying on printing technology are easy to be imitated. Therefore, it is an urgent work to research and develop various new and efficient microstructure anti-counterfeiting technologies. [0003] Chinese patent CN2192930 discloses a grain-type ultra-miniature anti-counterfeiting mark and products with anti-counterfeiting marks. It adopts the microfabrication process of int...

Claims

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Application Information

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IPC IPC(8): G09F3/02
Inventor 沈欣饶道军余勇
Owner 上海紫格光学薄膜材料有限公司
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