Surface Modification of Polyester Films with Polyfunctional Amines: Effect on Bacterial Biofilm Formation

Mallamaci, Gianmarco; Brugnoli, Benedetta; Mariano, Alessia; d’Abusco, Anna Scotto; Piozzi, Antonella; Lisio, Valerio Di; Sturabotti, Elisa; Alfano, Sara; Francolini, Iolanda

doi:10.2139/ssrn.4375503

Cited by 1 publication

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“…On a final note, the labels produced in this study were, in fact, based on a plastic that is ultimately a pollutant itself. More recently, biodegradable materials for food packaging have been explored [31][32][33], and this labelling technology can potentially be coupled with these novel materials in terms of labelling them or, more interestingly, exploring the actual label material to be made of such biodegradable materials. Such an approach will make this labelling concept be further in line with the objective of minimizing environmental plastic pollution.…”

Section: Discussionmentioning

confidence: 99%

Development of a Transparent Thermal Reflective Thin Film Coating for Accurate Separation of Food-Grade Plastics in Recycling Process via AI-Based Thermal Image Processing

Salimian

Onwukwe

2023

Coatings

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This paper presents the development of a specific thin film coating designed to address the challenge of accurately separating food-grade plastics in the recycling process. The coating, created using a plasma sputtering process, is transparent to the visible spectrum of light while effectively reflecting infrared emissions above 1500 nm. Composed of a safe metal oxide formulation with a proprietary composition, the coating is applied to packaging labels. By employing thermal imaging and a computer vision AI model, the coated labels enable precise differentiation of plastics associated with food packaging in the initial stage of plastic recycling. The proposed system achieved a remarkable 100% accuracy in separating food-grade plastics from other types of plastics. This innovative approach holds great potential for enhancing the efficiency and effectiveness of plastic recycling processes, ensuring the recovery of food-grade plastics for future use.

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Section: Discussionmentioning

confidence: 99%