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Taking paper tableware (paper cups, paper bowls, paper lunch boxes, etc.) It is polyethylene (PE) coated, but PE coated products have the disadvantages of being difficult to degrade, not repulpable, and difficult to recycle. In order to overcome the above shortcomings, researchers are constantly trying to find more suitable substitutes or processes.
Various waterproof and oil-proof packaging papers are also emerging on the market, among which water-based coating paper is one of the highlights.
The basic principle of coating: use the coating composite equipment to cover the paper with organic degradable molecular materials, and use the organic degradable molecular materials to perfectly fill the small gaps on the surface of the paper, so that the paper coating The surface is smooth and flat, and the fibers between the molecules and the fibers of the paper are connected, so that the paper and the coating are closely combined to form a waterproof/oil-proof degradable film layer.
To meet the needs of customers and meet the subsequent production and use functions of the product, so as to replace the original plastic coated film products, so as to replace plastic with paper.
Water-based coating coated paper has many advantages and can replace traditional plastic coating products. field.
Compared with PE coated paper, PE coated paper is non-recyclable and non-degradable, which will cause great pressure on the ecological environment, while water-based coating coated paper has the characteristics of repulpable, recyclable and degradable, which is more conducive to reducing carbon emissions .
Compared with PLA coated paper, PLA coated paper is also degradable and compostable, but the degradation performance of PLA coated paper is not as good as that of water-based coating coated paper.
At the same time, PLA coated paper is difficult to recycle and reuse, resulting in a waste of resources.
Today, the tough battle of plastic reduction and plastic restriction, abolition of excessive packaging, and promotion of green environmental protection has begun, which also means that all industries must have a new understanding of packaging.
Environmentally friendly green packaging (materials) represented by easy recycling, recyclability, and degradability will once again appear on the table and become a new outlet for packaging in the future.
Water-based coated paper can replace the fluorine-containing greaseproof paper, PE coated paper and waxed paper currently on the market. Moreover, it does not contain risk substances such as PFOA, PFOS and mineral oil, and is safer and more environmentally friendly.
It is a revolutionary product that conforms to the trend of sustainable development.
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