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Method for preparing corrosion-resistant colored decorative film

A decorative film and corrosion-resistant technology, used in special decorative structures, decorative arts, chemical instruments and methods, etc., can solve the problems of complex process and single color, and achieve the effect of simple process, low deposition temperature, and conducive to popularization and application.

Inactive Publication Date: 2010-09-15
FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention solves the problems of single color or complex color film deposition process in the preparation of decorative films by ion plating, electrophoresis, chemical vapor deposition and magnetron sputtering, and proposes a double-layer film structure to simplify the preparation process of this type of decorative film. Realized the simple process to prepare decorative films with different colors and acid and alkali corrosion resistance

Method used

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  • Method for preparing corrosion-resistant colored decorative film
  • Method for preparing corrosion-resistant colored decorative film
  • Method for preparing corrosion-resistant colored decorative film

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Example 1: A golden yellow corrosion-resistant decorative film was prepared by radio frequency magnetron sputtering.

[0015] The purity of the titanium target for sputtering is 99.9%, and the relative density is ~0.90. Correctly install the titanium target in the target gun (as shown in Figure 1), adjust the angle between the target gun and the vertical direction to ~30°, and evacuate until the background vacuum degree of the vacuum chamber is higher than 2.0×10 -4 Pa. The copper-zinc alloy (atomic ratio Cu:Zn=6:4) decoration is used as the substrate, and the substrate temperature is 400°C.

[0016] The first layer of film deposition process: 20sccm (sccm means standard milliliter per minute) argon gas is passed into the vacuum chamber, the pressure in the vacuum chamber is adjusted to 0.5Pa, the bias voltage is adjusted to -100V, the sample rotation rate is 10 rpm, radio frequency The power supply was adjusted to 100W, and the deposition time was controlled to be 5m...

Embodiment 2

[0018] Example 2: Preparation of a purple corrosion-resistant decorative film by radio frequency magnetron sputtering.

[0019] The copper-zinc alloy (ratio of atomic number Cu:Zn=6:4) decoration is used as the substrate, the temperature of the substrate is 200° C., and the rest are the same as in Example 1.

[0020] The first layer film deposition process conditions are the same as in Example 1.

[0021] The second film deposition process conditions are: the working atmosphere is 25sccm argon, 2sccm nitrogen and 4sccm acetylene; the working pressure is 0.5Pa; the radio frequency power supply is 100W; Deposited under this condition for 60 minutes, the thickness of the decorative film is about 700nm, the color is purple and has metallic luster.

Embodiment 3

[0022] Example 3: A dark blue corrosion-resistant decorative film was prepared by radio frequency magnetron sputtering.

[0023] The zinc-aluminum alloy (ratio of atomic number Zn:Al=9:1) decoration is used as the substrate, the temperature of the substrate is 200° C., and the rest are the same as in Example 1.

[0024] The first layer film deposition process conditions are the same as in Example 1.

[0025] The second film deposition process conditions are: the working atmosphere is 20sccm argon and 20sccm nitrogen; the working pressure is 0.4Pa; the radio frequency power supply is 180W; Deposited under this condition for 60 minutes, the thickness of the decorative film is about 1.2 μm, the color is dark blue and has metallic luster.

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Abstract

The invention relates to a corrosion-resistant colored decorative film and a preparation method thereof. The method prepares the corrosion-resistant colored decorative film on the surface of a metal material by adopting radio-frequency magnetron sputtering technology, and the prepared decorative film has good bonding force with a substrate. The metal material is zinc, copper, aluminum or alloy of the metals. The decorative film prepared by the method has a double-layer film structure, wherein the first layer is a titanium film, and the second layer is a (carbonized or azotized) titanium film. The method can prepare the acid, alkali and corrosion resistant decorative film with different colors comprising golden yellow, purple, dark blue, silvery white, black and the like. The method has the advantages of no environmental pollution, simple operation, low cost and capability of large-scale production; the prepared film has high quality; and the method is suitable for preparing the decorative film by using the metal material or the similar metal material as a base material.

Description

technical field [0001] The invention relates to a method for preparing a corrosion-resistant colored decorative film, which belongs to the technical fields of material surface anticorrosion treatment and decorative film. Background technique [0002] According to the traditional process, the decorative film generally adopts the following two methods to enhance the anti-corrosion performance of the ornament and adjust the color of the ornament: 1. Plating chrome, nickel, aluminum, silver or gold film on the surface of the ornament, the decorative film prepared by this method has metal Gloss is conducive to improving the grade of decorations, and to a certain extent can improve the anti-corrosion performance of decorations, but the color of the metal film is relatively single, generally golden yellow, silvery white metallic luster, to obtain other surface color decoration 2, by coating the coatings with different colors such as organic polymers on the surface of the decoration...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B15/04B44C5/04C23C14/35
Inventor 曹永革黄常刚王美丽邓种华
Owner FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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