| Title | Evolution of biobased and nanotechnology packaging - a review |
|---|---|
| ID_Doc | 19869 |
| Authors | Lindström, T; Österberg, F |
| Title | Evolution of biobased and nanotechnology packaging - a review |
| Year | 2020 |
| Published | Nordic Pulp & Paper Research Journal, 35.0, 4 |
| Abstract | This review deals with the evolution of bio-based packaging and the emergence of various nanotechnologies for primary food packaging. The end-of life issues of packaging is discussed and particularly the environmental problems associated with microplastics in the marine environment, which serve as a vector for the assimilation of persistent organic pollutants in the oceans and are transported into the food chain via marine and wild life. The use of biodegradable polymers has been a primary route to alleviate these environmental problems, but for various reasons the market has not developed at a sufficient pace that would cope with the mentioned environmental issues. Currently, the biodegradable plastics only constitute a small fraction of the fossil-based plastic market. Fossil-based plastics are, however, indispensable for food safety and minimization of food waste, and are not only cheap, but has generally more suitable mechanical and barrier properties compared to biodegradable polymers. More recently, various nanotechnologies such as the use of nanoclays, nanocellulose, layer-by-layer technologies and polyelectrolyte complexes have emerged as viable technologies to make oxygen and water vapor barriers suitable for food packaging. These technological developments are highlighted as well as issues like biodegradation, recycling, legislation issues and safety and toxicity of these nanotechnologies. |
| https://www.degruyter.com/document/doi/10.1515/npprj-2020-0042/pdf |
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