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Titanium dioxide plastic film and processing method thereof

A technology of plastic film and titanium dioxide, which is applied in anodic oxidation, metal material coating process, superimposed layer plating, etc., can solve the problems of low porosity of titanium dioxide film and inability to fully exert the photocatalytic effect of titanium dioxide film, and achieve self-cleaning Good effect, easy to implement, and simple process

Inactive Publication Date: 2018-04-17
ANHUI TECHN COLLEGE OF IND & ECONOMY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, each of the above methods has some disadvantages. The disadvantage of the sol-gel method, molecular beam epitaxy, chemical vapor deposition method, and spray pyrolysis method is that a process of thermally decomposing organic matter at about 500-600 ° C is required in the coating process, and the high temperature limit Selectivity of substrate material; sputtering deposition, especially magnetron sputtering, is a new type of low-temperature sputtering coating method. The films prepared by this method have the advantages of high quality, good bonding and strength, but due to the sputtering process It is the deposition process of atoms, and it is difficult to form a nanoscale porous structure in this process, so the porosity of the titanium dioxide film prepared by this method is low, and the photocatalytic effect of the titanium dioxide film cannot be fully exerted

Method used

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  • Titanium dioxide plastic film and processing method thereof

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Effect test

Embodiment 1

[0033] Preparation of Titanium Dioxide Plastic Film

[0034] The titanium dioxide plastic film comprises a polymer plastic film, a pure aluminum film layer covering the surface of the polymer plastic film, an aluminum oxide film layer with a porous structure generated by oxidation treatment on the surface of the pure aluminum film layer, and deposited on the The titanium dioxide film layer on the aluminum oxide film layer surface, its preparation method comprises the following steps:

[0035] (1) Processing of pure aluminum film layer

[0036] Choose a PE plastic film with a thickness of 20 μm and a width of 1000 mm, and use Nanjing Jiabali JBL-1000K corona treatment machine for corona treatment. The treatment process uses AC220V (± 20%) regulated DC power supply, 6 electrodes, and the electrode gap is 2mm. Continuous single-sided corona treatment is carried out on the film, the treatment voltage range is 15000V, the output power of the corona treatment machine is 6000VA, the...

Embodiment 2

[0045] Preparation of Titanium Dioxide Plastic Film

[0046] The titanium dioxide plastic film comprises a polymer plastic film, a pure aluminum film layer covering the surface of the polymer plastic film, an aluminum oxide film layer with a porous structure generated by oxidation treatment on the surface of the pure aluminum film layer, and deposited on the The titanium dioxide film layer on the aluminum oxide film layer surface, its preparation method comprises the following steps:

[0047] (1) Processing of pure aluminum film layer

[0048] Select a BOPET plastic film with a thickness of 10 μm and a width of 1000 mm, and place the film in Chicheng CCZK-RC vacuum roll-to-roll coating machine. Using a vacuum evaporation process, the surface of the BOPET plastic film is coated with aluminum, and the vacuum chamber is evacuated to a vacuum first. 1.3×10 -2 Pa, the temperature of the evaporation boat is controlled at 1350°C, and the aluminum wire with a diameter of 2mm and a p...

Embodiment 3

[0055] Preparation of Titanium Dioxide Plastic Film

[0056] The titanium dioxide plastic film comprises a polymer plastic film, a pure aluminum film layer covering the surface of the polymer plastic film, an aluminum oxide film layer with a porous structure generated by oxidation treatment on the surface of the pure aluminum film layer, and deposited on the The titanium dioxide film layer on the aluminum oxide film layer surface, its preparation method comprises the following steps:

[0057] (1) Processing of pure aluminum film layer

[0058] Choose a BOPP plastic film with a thickness of 80 μm and a width of 1000 mm, and use Nanjing Jiabali JBL-1000K corona treatment machine for corona treatment. The treatment process uses AC220V (± 20%) regulated DC power supply, 6 electrodes, and the electrode gap is 1mm. Carry out continuous single-sided corona treatment on the film, the treatment voltage is 20000V, the output power of the corona treatment machine is 13000VA, the output ...

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Abstract

The invention discloses a titanium dioxide plastic film and a processing method thereof. The titanium dioxide plastic film comprises a macromolecule plastic film, a pure aluminum film layer covering the surface of the macromolecule plastic film, an aluminum oxide film layer of a porous structure generated through oxidation treatment over the surface of the pure aluminum film layer, and a titaniumdioxide film layer depositing on the surface of the aluminum oxide film layer. According to the titanium dioxide plastic film, the pure aluminum film layer is arranged on the plastic film, the pure aluminum film layer generates the aluminum oxide film layer of the porous structure, thus, the titanium dioxide film layer of the nanometer scale and the porous structure is formed on the plastic film,and the titanium dioxide plastic film material with good adhesive force and flexibility is obtained.

Description

technical field [0001] The invention relates to the field of titanium dioxide film materials, in particular to a titanium dioxide plastic film and a processing method thereof. Background technique [0002] Titanium dioxide thin film materials can produce strong oxidizing free radicals under the irradiation of ultraviolet light. These active free radicals can decompose organic compounds, have bactericidal and self-cleaning functions, and at the same time, the surface of the material will produce super-hydrophilic properties when irradiated by ultraviolet light. [0003] TiO 2 The photocatalytic effect is directly related to its crystal form and particle size. The anatase form and nanoscale particles have the best effect. The anatase form has a larger photogenerated hole potential and stronger oxidation, while the nano Due to the quantum effect and surface effect, the large-scale particles have significantly better effects than the large-scale particles. At the same time, pe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C14/08C23C14/20C23C14/24C23C14/02C23C14/35C23C28/00C25D11/08
CPCC23C14/24C23C14/028C23C14/083C23C14/20C23C14/35C23C28/322C23C28/3455C25D11/08
Inventor 王娟
Owner ANHUI TECHN COLLEGE OF IND & ECONOMY
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