Application and Function Analysis of Paper Coating
Time:2025-09-09
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1、 Application of paper coating
Paper coating is mainly used in packaging printing, book printing, poster printing and other fields, which can improve the glossiness, waterproof, oil resistant, wear-resistant, anti folding and other functions of paper. Coating paper not only improves its quality, but also enhances its durability, stability, and aesthetics. It is also a solution to meet environmental protection needs.
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2、 Characteristics of paper coating materials
Polyethylene: Polyethylene has excellent waterproof, oil resistant, and moisture-proof properties, so it is commonly used in paper products that require waterproof and oil resistant properties. Polyethylene coating can be used for imitation copper paper, gold-plated paper, coated paper, etc., with good aesthetic effect and long service life.
Polyurethane: Polyurethane has a wide range of applications in various fields, such as packaging materials, electronic materials, building materials, and so on. Polyurethane coated paper not only has excellent mechanical properties and tactile sensation, but also has many advantages such as low friction, anti-static properties, excellent oil and water resistance.
Polypropylene: Polypropylene has excellent moisture-proof, waterproof, and oil resistant properties, making it widely used in packaging materials, office stationery, building insulation, and other fields. The paper coated with polypropylene is lightweight, easy to process and carry, and also provides protection against moisture, water, oil, and sun.
3、 The function of paper coating
Improve the aesthetics of paper: After coating, the surface of the paper is relatively smooth, with high glossiness and good color reproduction and printing effect. This is crucial for fields such as book and poster printing.
Enhance the durability of paper: After coating the paper, its hardness, wear resistance, flexural strength, and other properties have been greatly improved, enhancing the strength and stability of the paper and extending its lifespan.
Improve packaging quality: After paper coating, the toughness of the packaging increases, making the packaging more sturdy. Meanwhile, the paper coating endows packaging materials with higher moisture, water, oil, and fold resistance properties, better protecting the quality and safety of internal items.
In summary, paper coating is a special material that can improve the characteristics, aesthetics, and protection of paper, with a wide range of applications. Its commonly used coating materials include polyethylene, polyurethane, polypropylene, etc. Coated paper has better durability and other properties, which play an important role in fields such as packaging, printing, and building materials.
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