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A kind of flexible glass explosion-proof membrane and its preparation process

A flexible glass and preparation process technology, applied in the field of optical films, can solve problems such as easy generation of bubbles and snowflakes, and achieve the effects of improving the convenience of use, improving the waste of resources, and being easy to fit

Active Publication Date: 2018-12-21
DONGGUAN RETECK COATING TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] As the tempered glass film uses glass as the main material, glass is a material with very high hardness and cannot be bent, which leads to the problems of air bubbles and snowflakes in the lamination process of the product

Method used

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  • A kind of flexible glass explosion-proof membrane and its preparation process

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Embodiment Construction

[0024] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0025] like figure 1 As shown, a flexible glass explosion-proof film, from top to bottom, sequentially includes a first PET layer 1, a first silicone pressure-sensitive silicone layer 2, a polyurethane acrylic coating layer 3, a PC / PMMA substrate 4, an acrylic adhesive layer 5, The second PET6 layer, the second silicone pressure-sensitive silicone layer 7 and the third PET layer 8 .

[0026] Wherein, the thicknesses of the first PET layer 1, the second PET6 layer and the third PET layer 8 are respectively 0.025-0.075mm. The PET layer is used to protect the application layer after coating the silicone pressure sensitive adhesive.

[0027] Wherein, the thickness of the first silicone pressure-sensitive silicone layer 2 is 0.05-0.015mm, so as to protect the polyurethane acrylic coating layer 3 from being scratched before use; the thickness of the second silico...

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Abstract

The invention discloses a flexible and explosion-proof glass membrane and a manufacturing process thereof. A PC / PMMA (polycarbonate / polymethyl methacrylate) membrane is adopted, a UV (ultraviolet) curing coating is applied to the upper surface of the PC / PMMA membrane, and acrylic and silica gel are attached to the lower surface of the PC / PMMA membrane, and a finished product is manufactured. The UV curing coating has high hardness and anti-fingerprint performance and can have an effect similar to or the same with that of a glass surface; after the UV curing coating is applied to the PC / PMMA membrane, the PC / PMMA membrane can be bent by 90 degrees and can have an effect like bent and broken glass after being folded; PET (polyethylene glycol terephthalate) is coated with acrylic and then is attached to the membrane, the thickness and the hardness of the product are improved, and the product has an explosion-proof effect; the lower layer of PET is coated with an organosilicon pressure-sensitive adhesive, and the membrane can be attached to the surface of a screen accordingly.

Description

technical field [0001] The invention relates to the technical field of optical films, in particular to a flexible glass explosion-proof film and a preparation process thereof. Background technique [0002] Tempered glass film is a kind of mobile phone screen protection product that is popular among consumers at present. It has beautiful appearance, bare metal touch, high hardness and high light transmittance. This product is composed of two parts, tempered glass and AB glue. AB glue refers to a product that uses PET as the base material, one side is coated with acrylic, and the other side is coated with silicone. Die-cutting manufacturers purchase tempered glass and AB glue separately, and use tempered glass to bond the acrylic layer of AB glue to form a tempered glass film. [0003] The thickness of tempered glass is usually less than 0.4mm, so there are high defective products in the production process; before the AB glue is pasted on the tempered glass, it needs to carr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B27/36B32B9/00B32B9/04B32B27/30B32B27/08B32B7/10B32B33/00B32B37/10B32B37/12B32B38/00
CPCB32B7/10B32B9/00B32B9/045B32B27/08B32B27/308B32B27/36B32B33/00B32B37/10B32B37/1284B32B38/00B32B2038/0076B32B2307/412B32B2307/536B32B2307/558
Inventor 王中正
Owner DONGGUAN RETECK COATING TECH CO LTD
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