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A kind of pet protective film with good wear resistance and strong impact resistance and its manufacturing process

A technology of impact resistance and production process, which is applied in the field of PET protective film and its production process, can solve the problem that the protective film has poor wear resistance and scratch resistance, the protective film is difficult to resist impact, and the damage cannot be achieved. Protective effects and other issues, to achieve good flexibility and elasticity, improve hardness, improve the effect of gloss

Active Publication Date: 2015-08-12
东莞市尼的科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] There are many types of protective films on the market, but they are only used to prevent scratches on the shell or the screen itself. They have a single function and cannot protect against damage under harsh conditions. For example, when people use handheld mobile phones, it is inevitable that there will be movement. When the phone is dropped, the screen will be subjected to a great impact, but the existing protective film is difficult to resist the impact
In addition, the wear resistance and anti-scratch performance of the existing protective film itself is not good. After a long time, the protective film itself will be worn and scratched, which greatly affects the use effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] A PET protective film with good wear resistance and strong impact resistance, comprising a PET base layer, the lower surface of the PET base layer is provided with an adhesive layer and a PET release layer, and the PET base layer consists of the following parts by weight Raw material composition:

[0048] PET particles 85 parts

[0049] Nano silicon dioxide 0.5 parts

[0050] Nano titanium dioxide 0.1 parts

[0051] Methacrylic acid-butadiene-styrene copolymer 2 parts

[0052] 1 part of isopropyl tris(dodecylbenzenesulfonyl) titanate.

[0053] The raw materials of the adhesive layer are made of glue R303, glue CY-10, water, and glue PS08B with a weight ratio of 10:2:10:8. The glue R303 is a polyurethane two-component glue produced by Guangzhou Runze Chemical Co., Ltd. , Glue CY-10 is a special glue for low-viscosity PET protective tape of Beijing Decheng Industry and Trade Co., Ltd., and glue PS08B is a special water-based glue for bright anti-yellowing protective fil...

Embodiment 2

[0061] A PET protective film with good wear resistance and strong impact resistance, comprising a PET base layer, the lower surface of the PET base layer is provided with an adhesive layer and a PET release layer, and the PET base layer consists of the following parts by weight Raw material composition:

[0062] PET particles 95 parts

[0063] Nano silicon dioxide 1 part

[0064] Nano titanium dioxide 0.2 parts

[0065] Methacrylic acid-butadiene-styrene copolymer 4 parts

[0066] 3 parts of isopropyl tris(dodecylbenzenesulfonyl) titanate.

[0067] The raw materials of the adhesive layer are made of glue R303, glue CY-10, water, and glue PS08B with a weight ratio of 10:5:10:10. The glue R303 is a polyurethane two-component glue produced by Guangzhou Runze Chemical Co., Ltd. , Glue CY-10 is a special glue for low-viscosity PET protective tape of Beijing Decheng Industry and Trade Co., Ltd., and glue PS08B is a special water-based glue for bright anti-yellowing protective fi...

Embodiment 3

[0075] A PET protective film with good wear resistance and strong impact resistance, comprising a PET base layer, the lower surface of the PET base layer is provided with an adhesive layer and a PET release layer, and the PET base layer consists of the following parts by weight Raw material composition:

[0076] PET particles 85 parts

[0077] Nano silicon dioxide 0.5 parts

[0078] Nano titanium dioxide 0.1 parts

[0079] Methacrylic acid-butadiene-styrene copolymer 2 parts

[0080] 1 part of isopropyl tris(dodecylbenzenesulfonyl) titanate.

[0081] The upper surface of the PET substrate layer is also provided with an anti-shock layer, and the anti-shock layer is made up of the following raw materials in parts by weight:

[0082] 25 parts of 2-ethyl ethyl acrylate

[0083] Lauryl alcohol ester 10 parts

[0084] 75 parts of ethyl acetate

[0085] Azobisisobutyronitrile 0.5 parts.

[0086] The raw materials of the adhesive layer are made of glue R303, glue CY-10, water,...

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Abstract

The invention relates to the technical field of protective films, in particular to a PET protective film with good wear resistance and strong impact resistance and its manufacturing process. The PET protective film includes a PET film layer and an adhesive layer. The PET film layer consists of an outer layer, The middle layer and the inner layer are composed of three co-extruded and bonded films. The adhesive layer is coated on the inner layer of the PET film layer. The PET film layer adopts a three-layer structure. The inner layer of the PET film layer maintains good The wettability of the PET film layer increases the cohesive force between the inner layer of the PET film layer and the adhesive layer, and prevents the PET film layer from falling off during use; the middle layer of the PET film layer plays a role in maintaining the strength of the present invention; the PET film layer The outer layer maintains good surface smoothness and wear resistance in terms of raw material selection. A PET protective film with good wear resistance and strong impact resistance of the present invention has low production process cost and simple process, and corona treatment increases the wettability of the inner layer of the PET film layer and increases the Adhesion to the adhesive layer.

Description

Technical field [0001] The present invention involves the field of protective film technology, especially a PET protective film and its manufacturing process with good abrasion resistance and impact resistance. Background technique [0002] With the development of science and technology, digital products have developed greatly.In order to prevent scratches on the shells or screens of these digital products during use, it affects the appearance of its appearance.Therefore, users usually use a protective film to cover their shells or screens.Especially on the screen of digital products, it is where users use the most commonly used protective film for protection. [0003] There are many types of protective membranes on the market, but it is only used to prevent scraping of the shell or the screen itself. It has a single function. It does not play a protective effect on damage under harsh conditions.At this time, the screen will be greatly impact, but the existing protective film is ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L67/02C08K3/36C08K3/22C08K5/42C09D4/02C09J7/02
Inventor 刘敏林永贵
Owner 东莞市尼的科技股份有限公司
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