Composite film and preparation method thereof

A composite film and thin film technology, applied in the field of materials, can solve the problems of excessive packaging of laser film, intensification of unfair competition, rainbow changes, visual impact, decorative performance, visual fatigue of ordinary consumers, etc., and achieve novel and unique effects

Active Publication Date: 2016-10-26
绍兴京华激光材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Moreover, its rainbow changes, visual impact, and decorative performance are likely to cause visual fatigue to ordinary consumers.
This makes it difficult for ordinary consumers to clearly identify the different laser anti-counterfeiting effects of related products at a glance, resulting in disadvantages such as excessive packaging of laser film and weak anti-counterfeiting strength
With the promotion of various anti-counterfeiting technologies and the decline of technical thresholds, many unscrupulous manufacturers have used relevant means to imitate some high-end products to make a lot of profits, intensify unfair competition, and cause market chaos.

Method used

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  • Composite film and preparation method thereof
  • Composite film and preparation method thereof
  • Composite film and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A composite membrane, (such as figure 1 shown), including a substrate layer 2, the upper surface of the substrate layer 2 includes a microlens grating layer 3, a laser holographic layer 4; a metal reflective layer 6, a composite glue layer 7 and a paper layer are sequentially arranged on the lower surface of the substrate layer 2 The base layer 8 corresponds to the position of the microlens grating layer 3 , and the microtexture layer 5 is arranged between the lower surface of the substrate layer 2 and the metal reflective layer 6 . The substrate layer 2 and the microlens grating layer 3 form an imaging unit, and the focal length of the imaging unit falls on the micro-texture layer 5 on the lower surface of the substrate layer. The arrangement of the micro-lens grating layer 3 and the micro-texture layer 5 has an included angle, and in order to achieve a three-dimensional imaging effect, the included angle ranges from 0° to 5°. The thickness of the substrate layer 2 is...

Embodiment 2

[0045] Such as image 3 As shown, others are as described in Embodiment 1, except that the microlens grating layer 3 is a one-dimensional lenticular lens grating, the height of the lenticular lens grating is 18um, and the thickness of the substrate layer 2 is 50um. The JH three-dimensional movement direction of the micro-graphic layer 5 is horizontal movement (that is, its movement direction is perpendicular to the direction of the lenticular grating stripes). The lower surface 22 of the substrate layer is first coated with a color layer, and its hue is golden. Then process the micro-graphic layer 5 on the color layer. The effect is that the JH three-dimensional dynamics of the micro-graphic layer 5 presents deep (golden) color shading.

Embodiment 3

[0047] Such as Figure 4 As described above, others are as described in Embodiment 1, the difference is that the microlens grating layer 3 is a two-dimensional microlens grating (the two-dimensional grating microlens array arrangement includes circular, rectangular or regular hexagonal, etc.), preferably Two-dimensional dot microlenses (such as Figure 5 shown). The microlens height h is 10um. By changing the arrangement of the micro-text 5 , the micro-text can visually present various three-dimensional dynamics. The metal reflective layer 6 is an aluminized layer, and the thickness of the aluminized layer 6 is 380-500Å.

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Abstract

The invention provides a composite film which comprises a substrate layer. The upper surface of the substrate layer is provided with a micro lens gate layer and a laser holographic layer. A metal reflecting layer, a composite glue layer and a paper base layer are orderly stacked at the lower surface of the substrate layer, wherein the a micro graphic layer is arranged between the lower surface of the substrate layer and a metal reflecting layer and is corresponding the position of the micro lens gate layer. The composite film is made by using the micro lens grating technology, the laser holographic technology, the precise positioning, the miniature text printing and other processes, a stereoscopic dynamic effect is presented by a finished product package film local micro lens gate graph, and the stereoscopic dynamic effect comprises the graph floating, sinking, translation, vertical, orthogonal, shear and other changes, and other parts present a laser holographic anti-counterfeiting effect. A positioning anti-counterfeiting packaging composite film is divided into flat sheet composite paper products with certain sizes for subsequent enterprise and customer positioning overprinting. Multiple anti-counterfeiting techniques are employed by the invention comprehensively, the effect is novel and unique, and the composite film can be widely used to the markets of packaging and printing, label, anti-counterfeiting and the like.

Description

[0001] technical field [0002] The invention belongs to the technical field of materials, and in particular relates to a composite membrane and a preparation method thereof. Background technique [0003] The laser holographic transfer film or laser holographic composite film widely used in the market has been used as an anti-counterfeiting method in the field of packaging and printing for more than ten years, and its unit price has dropped from the original 10 yuan / square meter to about 1 yuan / square meter. The market is flooded. Moreover, its rainbow changes, visual impact, and decorative performance are likely to cause visual fatigue to ordinary consumers. This makes it impossible for ordinary consumers to clearly identify the different laser anti-counterfeiting effects of related products at a glance, resulting in disadvantages such as excessive packaging of laser film and weak anti-counterfeiting. With the promotion of various anti-counterfeiting technologies and...

Claims

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Application Information

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IPC IPC(8): G02B3/00G02B5/18G02B5/32G02B27/22
CPCG02B3/0006G02B3/0031G02B5/18G02B5/32G02B30/27
Inventor 李放钱坤蒋建根董益平
Owner 绍兴京华激光材料科技有限公司
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