Reason for development: Polyester (PET) is one of the main raw materials in the food or pharmaceutical packaging field, but as a beer bottle, the gas barrier property of PET is still not high enough.
The key point of plastic beer packaging: control the air inhalation during storage, because the oxygen in the air will promote premature aging and deterioration of beer. Coating PET beer bottles to prevent air infiltration and carbon dioxide leakage.
Market Prospects: The future market development of PET bottles will mainly focus on high barrier and aseptic packaging bottles. The technology of high barrier packaging bottles is relatively difficult and is currently a global problem.
Plasma coating technology
This is a development hotspot that has the most market potential in various coating methods and is a dry process. The depth of the plasma surface treatment is nano-scale, and the physical properties of the material interface are not significantly affected while the physical properties of the material interface are significantly improved.
Advantages: Easy to operate, clean, efficient, safe, and environmentally friendly.
Diamond Carbon Coating? DLC
This technology was developed by Japanese Nissei ASB in cooperation with Kirin Beer, Mitsubishi Corporation and Youtec. The process uses high-frequency current vacuum discharge to make ionized carbon and hydrogen phase on the inner surface of the bottle to form a diamond-like carbon structure fine coating with a thickness of 20-40 nm.
Advantages: 1. More than 20 times more oxygen barrier than ordinary PET bottles, 7 times higher barrier to CO2, 8 times higher barrier to water, and higher UV resistance; 2. The coating is not only High transparency, soft coating, not easily cracked, and resistant to acids and bases.
Amorphous carbon coating?Actis
The Actis barrier processing technology developed by Sidel of Sidel in France is this. This technology condenses plasma acetylene on the inner wall of the bottle into a layer of highly hydrogenated amorphous carbon with a uniform solid film thickness of 20-150 mm.
Advantages: 1. The oxygen barrier effect of the treated PET bottle is 30 times higher than that of the ordinary PET bottle, and the permeability to CO2 is improved by more than 7 times, and the penetration resistance of acetaldehyde is increased by 6 times. Six months after storage of this bottled beer, the carbon dioxide loss rate was only 6%. 2, has a strong advantage in recycling. Due to the small amount of coating material and the structure similar to the polymer, the fibers made from recycled Actis bottles have no effect on the physical properties and color. Mixing with other uncoated raw materials does not affect the conversion process or the final The characteristics of the package.
The key point of plastic beer packaging: control the air inhalation during storage, because the oxygen in the air will promote premature aging and deterioration of beer. Coating PET beer bottles to prevent air infiltration and carbon dioxide leakage.
Market Prospects: The future market development of PET bottles will mainly focus on high barrier and aseptic packaging bottles. The technology of high barrier packaging bottles is relatively difficult and is currently a global problem.
Plasma coating technology
This is a development hotspot that has the most market potential in various coating methods and is a dry process. The depth of the plasma surface treatment is nano-scale, and the physical properties of the material interface are not significantly affected while the physical properties of the material interface are significantly improved.
Advantages: Easy to operate, clean, efficient, safe, and environmentally friendly.
Diamond Carbon Coating? DLC
This technology was developed by Japanese Nissei ASB in cooperation with Kirin Beer, Mitsubishi Corporation and Youtec. The process uses high-frequency current vacuum discharge to make ionized carbon and hydrogen phase on the inner surface of the bottle to form a diamond-like carbon structure fine coating with a thickness of 20-40 nm.
Advantages: 1. More than 20 times more oxygen barrier than ordinary PET bottles, 7 times higher barrier to CO2, 8 times higher barrier to water, and higher UV resistance; 2. The coating is not only High transparency, soft coating, not easily cracked, and resistant to acids and bases.
Amorphous carbon coating?Actis
The Actis barrier processing technology developed by Sidel of Sidel in France is this. This technology condenses plasma acetylene on the inner wall of the bottle into a layer of highly hydrogenated amorphous carbon with a uniform solid film thickness of 20-150 mm.
Advantages: 1. The oxygen barrier effect of the treated PET bottle is 30 times higher than that of the ordinary PET bottle, and the permeability to CO2 is improved by more than 7 times, and the penetration resistance of acetaldehyde is increased by 6 times. Six months after storage of this bottled beer, the carbon dioxide loss rate was only 6%. 2, has a strong advantage in recycling. Due to the small amount of coating material and the structure similar to the polymer, the fibers made from recycled Actis bottles have no effect on the physical properties and color. Mixing with other uncoated raw materials does not affect the conversion process or the final The characteristics of the package.
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