Composite coating on outer surface of metal container

A composite coating and outer surface technology, applied in coatings, polyester coatings, etc., can solve the problems of poor wear resistance and easy peeling of surface coatings, achieve improved adhesion, excellent environmental performance, and ensure integrity and firmness degree of effect

Inactive Publication Date: 2020-11-10
南通德祥金属容器有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The finished metal containers obtained from this process have related problems such as poor wear resistance and easy peeling of the surface coating.

Method used

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Experimental program
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Embodiment Construction

[0040] The present invention aims at many defects existing in the prior art, and provides an improved coating combination, that is, a composite coating suitable for the outer surface of metal containers, especially tinplate containers, as follows.

[0041] A composite coating on the outer surface of a metal container, coated on a metal substrate, comprising a barrier layer, a coating layer and a protective layer laminated and coated in sequence, the coating layer and the metal substrate The blocking is realized by the barrier layer, and the blocking is realized by the protective layer between the paint layer and the external environment.

[0042] The metal substrate may include tinplate, stainless steel and galvanized aluminum.

[0043] The effect of described barrier layer is to promote the adhesive performance of water-based paint, simultaneously provides certain anticorrosion performance for described metal base material, and described barrier layer comprises following comp...

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PUM

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Abstract

The invention discloses a composite coating on the outer surface of a metal container, which is coated on a metal base material and comprises a barrier layer, a coating layer and a protective layer which are sequentially laminated and coated, the coating layer and the metal base material are blocked by means of the blocking layer, and the coating layer and the external environment are blocked by means of the protective layer. The composite coating for the outer surface of the metal container can be directly applied to the outer surfaces of various metal base materials, after a finished productof the metal container is processed, the coating can effectively play a role in protection, the integrity and firmness of the coating on the outer surface of the container are guaranteed, and the neatness and attractiveness of the finished product are guaranteed.

Description

technical field [0001] The invention relates to a composite coating, in particular to a composite coating suitable for the outer surface of metal containers, especially tinplate containers, and belongs to the technical field of paint preparation and processing. Background technique [0002] Metal containers are a common product packaging tool in modern life, and are widely used in the packaging and transportation of food, medicine, and industrial supplies. The processing of these metal containers mostly includes the following steps. First, printing and coating operations are carried out on the surface of the metal substrate, followed by cutting and slicing, and finally a complete metal container is obtained by bending and forming. Depending on the actual application scenarios and contents of the container, there may be some slight differences in the above links. [0003] When printing on metal substrates, various paints and coatings are used. Generally speaking, these paint...

Claims

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Application Information

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IPC IPC(8): C09D167/00C09D127/12C09D123/28C09D7/61C09D7/63C09D7/65
CPCC08K2003/0812C08K2003/0862C08K2003/0893C08L2205/035C09D123/286C09D127/12C09D167/00C09D7/61C09D7/63C09D7/65C08K13/02C08K3/08C08K3/36C08L61/20C08K3/16C08L59/00
Inventor 曹雪平
Owner 南通德祥金属容器有限公司
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