Keywords
Spray coating
Vacuum filtration
Suspension consistency
Uniformity
Basis weight
Thickness
Submitted : 2024-06-23
Accepted : 2024-07-08
Published : 2024-07-23
Abstract
Fibrous substrates made of cellulose like paper and paperboard are widely used in packaging. Furthermore, cellulose materials are biodegradable and completely safe for the environment. The water vapor barrier properties of paper and paperboard are limited due to the hydrophilic nature of cellulose fibrils. Paper is frequently combined with other materials, such as plastics, wax, and aluminum to improve its water barrier properties. Unfortunately, these materials lead to significant environmental problems and are difficult to recycle. Nanocellulose has shown the potential of being a substitute natural nanomaterial for creating environmentally friendly and sustainable barrier materials for a range of uses, including food packaging materials and substrates for the development of functional materials. Numerous cellulose sources can be used to create nanocellulose, which offers benefits like a high aspect ratio and tensile strength, making it useful for a variety of applications. The production of nanocellulose is done through a variety of processes. Potential biomedical applications of nanocellulose are tissue engineering, drug delivery, wound dressings, biosensors, implants and prosthetics, and nerve regeneration. Its application in these fields will result in the advancement of medical technology and the improvement of healthcare outcomes. Furthermore, biodegradable materials, barrier coatings, antimicrobial packaging, sustainable packaging solutions, smart packaging, and lightweight, high-strength packaging can all be made with nanocellulose. Nanocellulose-based packaging will improve the sustainability and efficiency of the packaging supply chain while providing environmentally friendly substitutes for conventional packaging materials.
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