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Water-based paint for surface of pop-top can and preparation method of water-based paint

A technology for water-based coatings and cans, applied in the direction of coatings, etc., can solve the problems of insufficient retort resistance and wear resistance, and achieve the effect of excellent retort resistance

Active Publication Date: 2014-09-10
江苏巨珩新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the application of water-based coatings in the field of metal coatings is concentrated in the coating of food and beverage packaging cans, but the existing water-based coatings have deficiencies in retort resistance and abrasion resistance

Method used

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  • Water-based paint for surface of pop-top can and preparation method of water-based paint
  • Water-based paint for surface of pop-top can and preparation method of water-based paint
  • Water-based paint for surface of pop-top can and preparation method of water-based paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～3

[0020]

[0021] 2. Preparation of water-based paint: water-based modified resin (AC769RG water-soluble silicone modified acrylic resin), amino resin (amino resin 717), leveling agent (Digo leveling agent 2100), thickener (thickener TT935 ), diethyl ether and deionized water were mixed and stirred for 30-50 minutes.

[0022] 3. Construction process: First, stir the prepared paint for 30 minutes, and let it stand for 20 minutes until the bubbles are completely eliminated; then place the prepared sample, start the paint roller coating device, and coat the film, and pass through the drying tunnel for 150-160 ℃, after 30-45 minutes of baking, the desired finished product can be obtained.

[0023] 4. The finished products prepared in Examples 1 to 3 are subjected to the following tests, and the test technical indicators are shown in the table.

[0024]

[0025] Experimental research found that lack of any one of water-based modified resin (AC769RG water-soluble silicone modif...

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PUM

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Abstract

The invention discloses water-based paint for the surface of a pop-top can and a preparation method thereof, which belongs to the technical field of paint. The paint is prepared by uniformly mixing water-base modified resin, ammonia-base resin, a leveling agent, a thickening agent, ether and deionized water. The prepared water-based paint which is attached on the surface of the pop-top can is good in RCA abrasion resistance (the substrate is no exposed for more than 300 circles at the force of 175g) and high in hardness (more than or equal to 5H); in addition, the pop-top can is also excellent in boiling durability, the paint on the surface of the pop-top can which is boiled for 1h under the condition of 130 DEG C is free from losing brightness, bubbling and stripping.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to a water-based coating used on the surface of pop cans and a preparation method thereof. Background technique [0002] Pop cans have the advantages of light weight, small size, unbreakable and easy to carry, so they are favored by people. With the enhancement of people's awareness of environmental protection and the objective requirements of environmental protection, traditional coatings will cause a large amount of organic solvents to volatilize during the coating process, which will not only affect the performance of the coating film, but also damage the health of operators and cause environmental pollution. It is reported that the volatilized organic solvents in the paint application process are one of the main sources of air pollution in the United States. Therefore, environmentally friendly coatings have become one of the key research directions for current and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D161/20
Inventor 夏帆祁锋
Owner 江苏巨珩新材料科技有限公司
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