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Application, preparation method and coating method of polyester type paint

A polyester type and coating technology, used in polyester coatings, anti-corrosion coatings, devices for coating liquids on surfaces, etc., can solve problems such as easy adsorption of furnace dust, and achieve excellent protection performance, environmental protection in the recycling process, and good resistance to electricity. Chemical Corrosive Effects

Inactive Publication Date: 2017-08-08
SUZHOU SANXIN PACKAGING MATERIAL TECH CO LTD +1
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  • Abstract
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  • Claims
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Problems solved by technology

[0006] In view of this, the present invention provides an application, preparation method and coating method of a polyester coating, aiming at making the packaging tank better in corrosion resistance than the prior art, and solving the problem of easily adsorbed furnace ash impurities , and meet the requirements of some national food industry standards without bisphenol A substances

Method used

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  • Application, preparation method and coating method of polyester type paint
  • Application, preparation method and coating method of polyester type paint
  • Application, preparation method and coating method of polyester type paint

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Embodiment Construction

[0032] Exemplary embodiments of the present disclosure will be described in more detail below. Although exemplary embodiments of the present disclosure have been shown, it should be understood that the present disclosure can be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0033] The following is the application of a polyester coating provided by the embodiment of the present invention. Specifically, the polyester coating is applied to the coating of the inner wall of a three-piece packaging can for packaging acidic functional beverages, such as the common Red Bull on the market. , Dongpeng Special Drink and other beverages on the three-piece metal packaging cans.

[0034] The polyester coating is specifically obtained through the following proportions ...

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Abstract

The invention provides application of polyester type paint. The polyester type paint is applied to coating of an inner wall of a three-piece type packaging can for packaging acidic functional beverage. The invention further provides a preparation method and a coating method of the polyester type paint. By adopting the polyester type paint, the corrosion resistance of the packaging can is better than that of the prior art; the problem of a point which easily adsorbs furnace ash impurities is solved and requirements on bisphenol-A-free substances of partial national food industry standards are met.

Description

technical field [0001] The invention relates to the field of three-piece can metal packaging for functional beverages, in particular to the application, preparation method and coating method of a polyester coating. Background technique [0002] At present, in the field of three-piece can metal packaging, the problem of shelf-life corrosion on the inner wall of acidic functional beverage cans has always been a difficult problem in the industry. Since the functional beverage liquid contains rich electrolytes and the beverage solution is highly acidic (PH is around 3-4), the beverage liquid will undergo electrochemical corrosion through the coating on the inner wall of the tank and the metal plate during the long shelf life. reaction, pitting corrosion may even occur in some positions, forming corrosion perforation, resulting in liquid leakage. The reason is mainly that the functional beverage contained in the three-piece metal beverage can contains more water-soluble electrol...

Claims

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Application Information

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IPC IPC(8): C09D167/00C09D5/08C09D7/12B05D1/38B05D3/02
CPCC09D167/00B05D1/38B05D3/0254B05D2508/00C08L2205/035C09D5/08C09D7/65C08L61/06C08L61/20C08L91/06
Inventor 陈飞朱争礼孙希岚苗绪威陈嘉夫
Owner SUZHOU SANXIN PACKAGING MATERIAL TECH CO LTD
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