Application Of Waterproof And Oil-proof Barrier Coating In Paper-based Food Packaging Materials

The application of waterproof and oil-proof barrier coating in paper-based food packaging materials is mainly reflected in improving the performance of packaging materials, extending the shelf life of food, and meeting environmental protection requirements. The following is a detailed analysis of its application:

1. The role of waterproof and oil-proof barrier coating
Waterproof performance: waterproof barrier coating can significantly reduce the penetration of water into paper-based packaging materials, thereby protecting the food in the package from moisture and keeping it dry. This is especially important for foods that need to be moisture-proof, such as biscuits, candies, etc.
Oil-proof performance: oil-proof barrier coating can prevent oil from penetrating and contaminating paper-based packaging materials, keep the packaging surface clean, and avoid oil exchange between food and packaging, affecting the taste and quality of food.

II. Application scenarios of waterproof and oil-proof barrier coatings in paper-based food packaging
Disposable paper tableware: such as paper cups, paper bowls, paper plates, etc., can be coated with waterproof and oil-proof barrier coatings to improve their performance and meet consumers’ requirements for food packaging.

Pulp molded products: Pulp molded products such as pulp molded tableware, dinner bags, dinner plates, etc., can be coated with waterproof and oil-proof barrier coatings to increase their stiffness and aesthetics, while reducing food adhesion and improving the user experience.

Food wrapping paper: such as hamburger paper, fried dough sticks wrapping paper, etc., these wrapping papers are often in contact with grease. By coating with oil-proof barrier coatings, grease penetration can be effectively prevented, keeping the wrapping paper clean and the taste of the food.

3. Development trend of environmentally friendly waterproof and oil-proof barrier coatings

Fluorine-free environmentally friendly coatings: With the improvement of environmental awareness, more and more companies have begun to develop fluorine-free environmentally friendly coatings to reduce pollution to the environment. These coatings not only have excellent waterproof and oil-proof properties, but also meet environmental protection requirements and can be widely used in paper-based food packaging materials.

Water-based barrier coatings: Water-based barrier coatings are an environmentally friendly coating with the advantages of being non-toxic, odorless, and easily degradable. By applying water-based barrier coatings, the waterproof and oil-proof properties of paper-based packaging materials can be achieved while meeting environmental protection requirements. For example, the “paper instead of plastic” water-based waterproof and oil-proof coating launched by Tianshi New Materials not only takes into account the performance of the original PE coated paper, but also does not affect the recyclability and re-pulping of paper packaging.

4. Application effect of waterproof and oil-proof barrier coating

Improve product shelf life: waterproof and oil-proof barrier coating can effectively prevent external moisture and grease from polluting food, thereby extending the shelf life of food.

Improve product aesthetics: By applying waterproof and oil-proof barrier coating, the gloss and stiffness of paper-based packaging materials can be improved, making them more beautiful and durable.

Meet environmental protection requirements: The use of environmentally friendly waterproof and oil-proof barrier coating can reduce pollution to the environment and meet the requirements of sustainable development.

In summary, the application of waterproof and oil-proof barrier coating in paper-based food packaging materials has broad prospects and important significance. With the continuous advancement of technology and the improvement of environmental protection requirements, waterproof and oil-proof barrier coatings will be more environmentally friendly, efficient and multifunctional in the future.