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Japan's successful and highly effective anti-penetration PET beer bottle coating equipment

Source: Time:2018-03-20 11:31:25 浏览次数:

Japan Nissei has partnered with Mitsubishi Shoji and plasma CVD component manufacturer Youtec to develop a highly efficient and impervious PET beer bottle coating equipment. The device implements a vapor deposition technique that can greatly im
Japan Nissei has partnered with Mitsubishi Shoji and plasma CVD component manufacturer Youtec to develop a highly efficient and impervious PET beer bottle coating equipment.
    The device implements a vapor deposition technique that can greatly improve the gas barrier properties of PET beer bottles. The equipment is a system for continuous production from the injection stretch blow molding PET bottle to the coating process. The coating process is to feed the PET bottle into the coating chamber equipped with the electrode, and then extract the air to ensure the vacuum inside and outside the container. State, then inject acetylene gas into the bottle, apply high-frequency current to the electrode, the coating chamber is the external electrode, and the acetylene tube is the internal electrode. Due to the current discharge, the acetylene is decomposed into ionic carbon and ionic hydrogen, and in the bottle. The inner surfaces combine to form a fine coating with a thickness of 20 to 30 nm.
    Compared with ordinary PET bottles, the gas barrier property is 10 times higher, the carbon dioxide resistance is 7 times higher, the water permeability is 8 times higher, the barrier smell is good, and the UV protection ability is also enhanced. DCL coating It has very little dissolved amount and meets the FDA's safety standards, which is comparable to the performance of glass bottles.
    The technology is currently inefficient production, and the barrier properties provided by the surface coating technology are often affected by the specific surface area of the bottle. The coating may also be uneven in thickness due to Confucianism, or may be subject to frequent friction to reduce the barrier property. The inner coating also has the problem of food safety. These problems need to be further studied and solved, and the cost needs to be further reduced to help the marketization process.

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