Protective film and method of processing the same

A processing method and protective film technology, applied in the direction of pollution prevention methods, cleaning methods and utensils, chemical instruments and methods, etc., can solve the problems of protective film falling off, failure to fully overlap, and failure to achieve the bonding effect, etc., to achieve steps little effect

Inactive Publication Date: 2009-04-15
SUZHOU BAIQI ELECTRONICS MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But, there is following technical problem in the protective film of above-mentioned structure: when using, after peeling off release layer 3 to make base material 1 adhere to the product surface by means of pressure-sensitive layer 2, there is often a gap between the base material and the product surface. There are countless scattered pores in the space. However, it is precisely because of the existence of pores that the bonding effect between the protective film and the product surface cannot be ensured, and it may even cause the protective film to fall off from the product.
Starting from the conventional way of thinking, evenly coating the pressure-sensitive layer 2 with the required thickness on one side of the substrate 1 can reflect the bonding effect with the product surface, but practice has proved that this way of thinking is not effective
The reason is that the pores between the base material 1 and the surface of the product cannot be eliminated. Taking the processing of liquid crystal displays of mobile phones or computers as an example, due to the existence of pores and / or air bubbles, the screen surface of the protective film and the liquid crystal display often fails to appear. The phenomenon of full overlap, although it appears to be overlap when the protective film is initially pasted, the aforementioned situation usually occurs in the subsequent processing steps, resulting in defective LCD screens, because the protective film needs to be permanently combined with this type of product when it is shipped out. product surface
Moreover, coating the pressure-sensitive layer comprehensively and evenly on one side of the substrate 1 not only fails to achieve the ideal combination effect with the product, but also leads to a large consumption of raw materials for the pressure-sensitive layer 2, which is inconsistent with the spirit of economical economy advocated at present. Contradict

Method used

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  • Protective film and method of processing the same
  • Protective film and method of processing the same
  • Protective film and method of processing the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] please see figure 1 .

[0031] A) Select a qualified substrate 1, specifically select a polyester film with no pinholes, no crystal points, no scratch damage, no wrinkles, good transparency and smoothness as the substrate 1, and the thickness of the substrate 1 is 75 μm;

[0032] B) Coating, before coating, corona treatment is carried out to the surface of the substrate 1, and the oily acrylic is coated on one side surface of the substrate 1 with the glue roller of the coating machine, wherein: the coating The surface of the gluing roller of the cloth machine is formed (processed) with an anilox structure, that is, an anilox roller or a grid-like gluing roller is used. The mesh is 30 mesh, and the oily acrylic is The thickness on the substrate 1 is 12 μm, and the control of the thickness is obtained by adjusting the gap between the scraper and the glue roller. The oily acrylic acid is preferably but not limited to Kunshan Shimei Fine Chemical Co., Ltd. The product mo...

Embodiment 2

[0035] please see figure 1 .

[0036] A) Select a qualified substrate 1, specifically select a polyester film with no pinholes, no crystal points, no scratches, no wrinkles, good transparency and smoothness as the substrate 1, and the thickness of the substrate 1 is 8 μm;

[0037] B) Coating, before coating, corona treatment is carried out to the surface of the substrate 1, and the oily acrylic is coated on one side surface of the substrate 1 with the glue roller of the coating machine, wherein: the coating The surface of the gluing roller of the cloth machine is formed (processed) with an anilox structure, that is, an anilox roller or a grid-like gluing roller is used. The mesh is 300 mesh, and the oily acrylic The thickness on the substrate 1 is 2 μm, and the control of the thickness is obtained by adjusting the gap between the scraper and the glue roller. The oily acrylic acid is preferably but not limited to Kunshan Shimei Fine Chemical Co., Ltd. The product model produ...

Embodiment 3

[0040] please see figure 1 .

[0041] A) Select a qualified substrate 1, specifically select a polyester film with no pinholes, no crystal points, no scratches, no wrinkles, good transparency and smoothness as the substrate 1, and the thickness of the substrate 1 is 100 μm;

[0042]B) Coating, before coating, corona treatment is carried out to the surface of substrate 1 earlier, water-based acrylic is coated on one side surface of substrate 1 with the glue roller of coating machine, wherein: described coating The surface of the gluing roller of the cloth machine has (processed) a network-like structure, that is, an anilox roller or a gluing roller with a grid-like surface. The mesh is 80 mesh, and the water-based acrylic The thickness on the base material 1 is 15 μm, and the control of the thickness is obtained by adjusting the gap between the scraper and the glue roller. The product model produced and sold by Chemical Co., Ltd. is water-based 701-11 acrylic acid. Through t...

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Abstract

The invention discloses a method for processing a protective film and belongs to the technical field of surface protective film. The protective film consists of a substrate, a pressure-sensitive layer bonded on one side surface of the substrate, and a releasing layer bonded above the pressure-sensitive layer, wherein the pressure-sensitive layer has a floating-point structure or a latticed structure. The method has the advantages that due to the floating-point structure or the latticed structure of the pressure-sensitive layer bonded on the substrate, the protective film, when covered on the surface of a product, does not cause air bubbles and can fully demonstrate a bonding effect with the surface of the product; less procedures are required; and the protective film has excellent bonding effect with the surface of the product.

Description

technical field [0001] The invention belongs to the technical field of surface protective films, in particular relates to a protective film, and also relates to a processing method of the protective film. Background technique [0002] The protective film has a wide range of uses, mainly but not limited to LCD screens, DVDs, instruments, diffusers, light guide plates, reflectors, plastic shells, hardware mirrors, refrigerators, air conditioners, washing machines, nameplates, stainless steel, plastic steel Surface protection of profile, aluminum alloy, color steel plate, painted plate, glass and high-grade furniture, etc. [0003] Previously, the measures taken by people for the surface protection of the above-mentioned products were: rubbing with a dust-proof roller, the disadvantage is that the cleaning effect cannot be guaranteed; the rubbing of the dust-proof roller is easy to damage the surface of the product; it is a passive protection, because dust, etc. If it touches ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B7/12C09J7/02B05D1/28B08B17/04C09J7/38
CPCB08B17/04B32B7/12C09J7/0296B32B27/36B32B7/06B32B27/32B32B2255/24B32B2307/412B32B2307/518C09J7/38C09J2433/00C09J2423/046C09J2423/106C09J2467/006C09J2301/204
Inventor 朱海云
Owner SUZHOU BAIQI ELECTRONICS MATERIAL
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