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PET (Polyethylene Terephthalate) film with high reflective brightness capable of replacing glass mirror and preparation process

A technology of thin film preparation and high brightness, which is applied in the direction of optical components, applications, coatings, etc., can solve the problem of low reflective intensity of the film, and achieve the effect of ensuring the integrity, the reflective intensity and the quality of the film

Pending Publication Date: 2022-02-25
瑞年新材料(广东)有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] For this reason, the present invention provides a kind of PET reflective brightness high film preparation technology that can replace glass mirror, in order to overcome the problem of low reflective intensity of film in the prior art

Method used

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  • PET (Polyethylene Terephthalate) film with high reflective brightness capable of replacing glass mirror and preparation process
  • PET (Polyethylene Terephthalate) film with high reflective brightness capable of replacing glass mirror and preparation process
  • PET (Polyethylene Terephthalate) film with high reflective brightness capable of replacing glass mirror and preparation process

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Embodiment Construction

[0057] In order to make the objects and advantages of the present invention clearer, the present invention will be further described below in conjunction with the examples; it should be understood that the specific examples described here are only for explaining the present invention, and are not intended to limit the present invention.

[0058] Preferred embodiments of the present invention are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principle of the present invention, and are not intended to limit the protection scope of the present invention.

[0059] It should be noted that, in the description of the present invention, terms such as "upper", "lower", "left", "right", "inner", "outer" and other indicated directions or positional relationships are based on the terms shown in the accompanying drawings. The direction or positional relationship shown is ...

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Abstract

The invention relates to a preparation process of a PET (Polyethylene Terephthalate) film with high reflective brightness capable of replacing a glass mirror. The preparation process comprises the following steps of: S1, preparing a first PET film; S2, preparing a second PET film; S3, adding a third raw material in a preset proportion into a reaction kettle, stirring and melting to prepare a bonding liquid, and adding the bonding liquid into a second storage box; S4, conveying the first PET film in the S1 into bead planting equipment, and enabling a control unit to start the bead planting equipment to prepare a reflective layer on the upper surface of the first PET film; and S5, pressing the second PET film in the S2 to the reflective layer, and drying and rolling to obtain a film with high reflective brightness. According to the invention, the distribution condition of the glass beads can be accurately mastered, so that the light reflection intensity of the reflective layer can be accurately mastered, the light reflection intensity of the reflective layer is more effectively ensured, and the film quality is improved at the same time.

Description

technical field [0001] The invention relates to the technical field of film preparation, in particular to a preparation process for a PET film with high reflective brightness that can replace glass mirrors. Background technique [0002] Reflective film is a film with a special structure that uses optical principles to retroreflect light back to the light source. PET reflective film is a new high-performance composite reflective material formed by combining the reflective layer formed by glass beads and PET polymer materials by a special process. It is widely used in billboards with reflective requirements, traffic reflective Signs (reflective road signs, reflective isolation belts, reflective car number plates), reflective police uniforms, industrial safety signs, etc. In the prior art, when preparing PET reflective film, when preparing the reflective layer, the depth of glass beads sinking into the bonding layer is insufficiently grasped, resulting in uneven distribution o...

Claims

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Application Information

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IPC IPC(8): B32B27/36B32B27/06B32B7/12B32B33/00B29D11/00B05B12/08B05B13/02B05B15/68
CPCB32B27/36B32B27/08B32B7/12B32B33/00B29D11/0073B29D11/00788B29D11/00865B29D11/00951B05B12/084B05B13/0221B05B13/0278B05B15/68B32B2307/416
Inventor 王家福
Owner 瑞年新材料(广东)有限公司
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