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A kind of coated aluminum plate and preparation method thereof

A technology of aluminum plate and film coating, which is applied in the field of aluminum plate, can solve the problems of easy oxidation, single color of aluminum plate, and restrictions on the application of high-end products, and achieve the effect of not easy to open glue, not easy to decolorize, not easy to deform and bulge

Active Publication Date: 2016-05-18
ZHUHAI SPEEDBIRD NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its application in high-end products is limited due to the single color of the aluminum plate and its easy oxidation in the air.

Method used

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  • A kind of coated aluminum plate and preparation method thereof
  • A kind of coated aluminum plate and preparation method thereof
  • A kind of coated aluminum plate and preparation method thereof

Examples

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preparation example Construction

[0040] Above-mentioned a kind of carbon-nitrogen co-doped nano-TiO 2 The preparation method is characterized in that the specific steps are as follows: (1) first adopt the reactive magnetron sputtering coating method to prepare a TiCN thin film with adjustable C and N components, wherein a carbon-titanium inlaid sputtering target is used, and the cross-section of the sputtering target is Among them, the area ratio of carbon and titanium is 0.04~0.06; first pump the studio to 10 -2 Vacuum of Pa level, through reaction gas nitrogen and sputtering gas argon in turn, adjust the volume ratio of nitrogen and argon to 1:1~1:1.5; then adjust the high vacuum valve to keep the working pressure at 8~30Pa , the sputtering current is controlled at 1.5-2A, and the sputtering time is 10-28min; during the preparation process, the TiO is controlled by adjusting the area ratio of carbon and titanium in the sputtering target and the volume ratio of nitrogen and argon gas. 2 The content ratio of...

Embodiment 1

[0058] Preparation of Nano-TiC:

[0059] Step S101, weighing tetrabutyl titanate and sucrose solution with a molar ratio of 1:1.5 as raw materials; dissolving tetrabutyl titanate in ethanol to obtain a first solution;

[0060] Dissolving sucrose in ethanol, adding acetic acid to adjust the pH value to 1.5, to obtain a second solution;

[0061] Step S102, under stirring, add the second solution to the first solution, stir for 5 hours to obtain a sol system, and after aging for 18 hours, dry at 170°C to obtain a xerogel;

[0062] Step S103, transfer the xerogel obtained in step S102 into a vacuum furnace with a vacuum degree of 65 Pa for sintering to obtain nano-TiC powder; the heating process during sintering is: the heating rate is 15°C / min at 400-900°C, and the heat preservation time is 5°C. hours; when the temperature reaches 1000-1200°C, the heating rate is 12°C / min, and the heat preservation is 1.5 hours; when the temperature is 1200-1400°C, the heating rate is 13°C / min, ...

Embodiment 2

[0076] A method for preparing a film-coated aluminum plate, comprising the following steps:

[0077] 1) passivating the aluminum plate to form a substrate;

[0078] 2) Using a roller coating method, coating a chromate chemical pretreatment solution with a mass concentration of 20 wt% on both sides of the substrate to form an organic film with a network structure, and the thickness of the organic film is 1 μm;

[0079] 3) the carbon-nitrogen co-doped nano TiO that embodiment 1 makes 2 Formation of nano-TiO on one side of the substrate by PVD 2 layer; paint layer on the other side; the nano-TiO 2 The thickness of the paint layer is 2 μm; the thickness of the paint layer is 8 μm;

[0080] 4) The above-mentioned nano-TiO 2 Apply glue on the layer and cure at 230°C, the thickness of the glue layer is 4 μm;

[0081] 5) At 230°C, stick a PET film with a thickness of 60 μm on the adhesive layer;

[0082] 6) After the temperature is cooled to 110°C, stick a PE protective film wit...

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Abstract

The invention relates to a laminated aluminum plate which comprises a base material, wherein a laminated coating, a nanometer film layer, an adhesive layer, a laminating layer and a protective film layer are sequentially arranged on one side of the base material; a laminated coating and a paint layer are sequentially arranged on the other side of the base material; the base material is obtained by performing passivation or shot blasting treatment on an aluminum plate; the laminated coating is a meshed organic film formed by chromate; the nanometer film layer is formed by coating the base material with nanometer TiC or carbon-nitrogen co-doped nanometer TiO2 by virtue of physical vapor deposition; the laminating layer is made from a PET material; and the protective film is made from a PE material. Compared with the prior art, the laminated aluminum plate disclosed by the invention is unlikely to deform and bulge as well as discolor and unglue, has high resistance to acid and base, corrosion resistance and heat resistance and can be applied to various severe environments.

Description

technical field [0001] The invention relates to an aluminum plate, in particular to a film-coated aluminum plate and a preparation method thereof. Background technique [0002] Aluminum plate is widely used in production and life due to its low density and easy processing, such as household appliances such as refrigerators, washing machines and air conditioners, as well as furniture and building decoration materials. However, its application in high-end products is limited because the aluminum plate has a single color and is easily oxidized in the air. Contents of the invention [0003] In view of this, it is necessary to provide a coated aluminum plate with good decorative effect. [0004] A film-coated aluminum plate, which includes a base material, on one side of the base material, a coating layer, a nano film layer, an adhesive layer, a film layer and a protective film are sequentially laminated; Coating and paint layer; the base material is an aluminum plate after p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B15/04B32B15/20B32B9/04B32B7/12B32B27/08B32B27/36B32B27/32B32B37/02B32B37/12C23C14/34
CPCB32B7/12B32B9/04B32B15/04B32B15/20B32B27/08B32B27/32B32B27/36B32B37/02B32B37/12C23C14/34
Inventor 刘丙炎
Owner ZHUHAI SPEEDBIRD NEW MATERIAL CO LTD
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