Superlattice vehicle PET film with anti-ultraviolet ZnO/SiO2 plated nanometer multilayer material
A nano-multilayer, anti-ultraviolet technology, used in metal material coating process, coating, sputtering and other directions, can solve the problems of accelerated aging of instrument panel decoration
Inactive Publication Date: 2018-12-25
海安浩驰科技有限公司
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Problems solved by technology
Although ultraviolet rays cannot be seen, they are known to be harmful to the human body. Excessive ultraviolet rays can easily cause accelerated aging of various car interior decorations such as dashboards. Therefore, high-quality car films should have as high a blocking rate as possible for ultraviolet rays.
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[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0031] Please refer to figure 1 , The total thickness of the [ZnO(a)nm / SiO2(b)nm]x multilayer composite film prepared in this example is 800nm. The specific material structures are [ZnO(15nm) / SiO2(85nm)]8 / PET, [ZnO(25nm) / SiO2(75nm)]8 / PET, [ZnO(35nm) / SiO2(65nm)]8 / PET, [ZnO(45nm) / SiO2(55nm)]8 / PET.
[0032] The preparation steps are:
[0033] 1. Clean the PET substrate, clean the surface and back, remove dust particles, organic and inorganic impurities;
[00...
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Abstract
The invention relates to the technical field of vehicle films, in particular to a superlattice vehicle PET film with an anti-ultraviolet ZnO / SiO2 plated nanometer multilayer material. The material comprises a ZnO film material and a SiO2 film material; and the two are alternately laminated on a nanoscale through a magnetron sputtering method. A structural formula of the material is [ZnO(a)nm / SiO2(b)nm]x, wherein a and b respectively represent the thicknesses of a single-layer ZnO film and a single-layer SiO2 film, a is not more than 40 nm and not less than 10 nm, and b s not more than 90 nm and not less than 60 nm; x represents the alternate periodicity or the alternate layer number of the single-layer SiO2 film and the single-layer ZnO film; and x is a positive integer. The total thickness of the films can be calculated by x and the thicknesses of the single-layer SiO2 film and the single-layer ZnO film: [(a+b)*x=800 (nm). The ZnO / SiO2 multilayer composite films achieve higher thermalinsulativity and ultraviolet reflectivity, lower haze and higher visual light transmissivity, are suitable for thermal insulation vehicle films, and are broader in market development prospect.
Description
technical field [0001] The invention relates to the technical field of automobile film materials, in particular to an anti-ultraviolet superlattice automobile PET film coated with ZnO / SiO2 nanometer multilayer material. Background technique [0002] Car film is a transparent or translucent film attached to the car glass, which plays the role of heat insulation and UV protection. In the solar spectrum, infrared rays are the main source of heat, and good-quality car film can reflect infrared rays, so the temperature inside the car is relatively much lower, which in turn reduces the air-conditioning load and saves fuel. Some car films only have transparency and no heat insulation rate. Although the sun is not so glaring, the temperature inside the car is still extremely high. Therefore, pay attention to the heat insulation performance of the film when choosing, which is not only the main criterion for evaluating the quality of a heat insulation film, but also the key to determ...
Claims
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IPC IPC(8): C23C14/35C23C14/08C23C14/10C23C28/04
CPCC23C14/086C23C14/10C23C14/352C23C28/04
Inventor 余兴亮
Owner 海安浩驰科技有限公司