40% of plastic production is used in packaging, from which 20% is used in multilayer packaging. This is especially significant if we take into consideration these materials cannot be recycled and end up incinerated or in landfills.
Currently, the routes proposed to solve the recycling problems of multilayer systems can be divided into three main approaches:
Among the possible strategies to achieve sustainability in this sector, MANDALA PROJECT is focused in developing thermo-reversible adhesives that enable an effective delamination and recycling.
In this framework, ICTP-CSIC has recently published two scientific articles: “Designing New Sustainable Polyurethane Adhesives: Influence of the Nature and Content of Diels–Alder Adducts on Their Thermoreversible Behavior” and “The role of molecular architecture on the viscoelastic properties of thermo-reversible polyurethane adhesives “.