GC-0007 POLYLOOP

Title POLYLOOP Sustainable technologies for waste circularity and energy to mitigate climate change. Sub-title: Circular resource reutilisation
Area Engineering sciences and technologies: Chemical engineering, Textile and leather
Materials engineering: Chemistry, Materials, Mechanics, Textile and leather
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Duration 1. 7. 2025 – 30. 6. 2028
Funding ARIS
Sub-project head Prof. Dr. Vanja Kokol https://cris.cobiss.net/ecris/si/sl/researcher/8756
Participating organizations Nacional institute of chemistry https://www.ki.si/en/
Objectives In this sub-project we aim to evaluate and demonstrate the lignin materials as secondary raw materials obtained from wood-based lignocellulose biomass for their upcycling in different technological processes and new applications: (i) production of self-standing films and functional coatings for paper or PLA films by slot-die coating to make products with hydrophobic, UV, NIR and heat protection, antimicrobial, water-vapour and/or oxygen transmission barrier properties; and (ii) formulations for durable finishing of PES and PA fibers / textiles during US-assisted exhaustion or foulard dip-coating, thus to improve their UV protection, Vis-NIR transmission (solar thermal management / heat dissipation), antimicrobial & antioxidant properties, thermophysiological wearing comfort (moisture adsorption and transport, cold-warm feeling sensation), and mechanical strength or elongation.
Specific phases and stage of realization Developing / manufacturing, characterizing, and testing of novel lignin-reach formulations:
(i) Stable colloidal dispersion with high enough solid content, viscosity, shear-thinning, viscoelastic & thixotropic properties by co-using of biopolymers (cellulose, fatty acids), solvents (surface tension), rheology modifier, plasticizer, etc.
(ii) Stable colloidal dispersion with size & surface chemistry different lignin factions, plasma pre-treated fibers for potential grafting and crosslinking (UV drying), temperature- and co-additives dependent optimization of fibers finishing
Bibliographic references Articles
Scientific conference contributions