Method for multicolor spray coating and component after spray coating thereof

One component and the same technology, applied in the field of spraying production process of plastic parts, can solve the problems of complex process, low product yield, and inability to achieve large-scale industrialization, and achieve the effect of simplifying the spraying process and improving product yield.

Active Publication Date: 2008-05-14
山东中盈铝业有限公司
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  • Abstract
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Problems solved by technology

[0006] The three-spray method of the prior art is different for the formulations of primers, intermediate paints, and top coats used in UV paints and PU paints, and there is no inconvenience in using them separately on a part; but for doing it on the same part In two-color spraying, for example, one part of the same part uses a certain color for a high-gloss effect, and the other part uses another color for a rubber paint effect, which will result in many steps, complicated processes, high production costs, and low product yields. Requirements for large-scale industrialization

Method used

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  • Method for multicolor spray coating and component after spray coating thereof
  • Method for multicolor spray coating and component after spray coating thereof

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Embodiment Construction

[0022] The preferred embodiments of the present invention will be described in detail below.

[0023] The method for multi-color spraying of the present invention and the parts after spraying thereof, as shown in FIG. 1, adopts a method of sharing primer, and simplifies the steps of two-color spraying, and also solves the problem that the interface of two colors cannot be separated. deal with difficult problems. In two-color spraying, to achieve high-gloss UV and bright color effects, it is necessary to have a primer with good quality to deposit, the method of the present invention adopts a primer technology, so that the interface is treated once, and then in the subsequent process , Utilize the high hardness characteristics of high-gloss UV to support the completion of the production process of PU paint, improve product quality and enable mass production. The present invention can be widely used for two-color and multi-color spraying on plastics, metals and other materials. ...

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Abstract

The invention discloses a multi-color coating method and a coated part; wherein, the method comprises at least the following steps: a layer of priming paint is coated on the whole face plate; a first middle paint is coated on a first area of the face plate; a first top finish is coated on the first middle paint; a second middle paint is coated on a second area of the face plate, and a second top finish is coated on the second middle paint. Since the method of using the same priming paint when coating two colors, the invention has the advantages of simplified paint coating process and improved yield rate.

Description

technical field [0001] The invention relates to a spraying production process for plastic parts, in particular to a method for multicolor spraying on plastic parts and the parts obtained by the method. Background technique [0002] So far, in the production of industrial communication terminal equipment, it is often used to spray the plastic parts as the casing, such as the casing of the mobile phone. On mobile terminal equipment, spraying of multiple colors is often required, especially on the same part. The two-color spraying process on plastic parts mainly uses UV paint (UV paint is the English abbreviation of Ultraviolet Curing Paint, that is, ultraviolet light-curing paint, also known as photo-initiated paint, light-curing paint) and PU paint (polyurethane paint is in wood paint. The paint with the largest market share can be divided into two-component polyurethane paint and one-component polyurethane paint) three-spray method for production. [0003] Unlike PU, PE, N...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05D1/36B05D5/06B05D7/02
Inventor 胡学龙王辉耀李玉波
Owner 山东中盈铝业有限公司
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