NewSiest-Enhancement of UV stability of thermally modified wood through envelope impregnation with nanobased stabilisers

IRG/WP 20-40909

K Srinivasa, M Petrič

Thermal modification is a process which improves the properties of wood, resulting in a material that can be disposed at the end of the product life cycle without presenting an environmental hazard. Thermally modified wood retains as a natural product and the grain, original colour variances and characteristics of wood are still present. However, exposure to daylight causes brightening or greying of heat-treated wood surfaces. In order to tackle this challenge, we are proposing a novel way to improve the UV stability of thermally modified wood using nano based stabilizers. But instead of coating nanoparticles on heat treated wood, wood surfaces will be treated with nanoparticle (ZnO or CeO2) solutions, thereby forming protective envelope on a wooden surface, which will be further heat treated under controlled temperature and time.


Keywords: thermal modification, UV stability, nanoparticles, zinc oxide, cerium oxide, envelope treatment, fungal stability

Conference: 20-06-10/11 IRG51 Webinar


Download document (877 kb)
free for the members of IRG. Available if purchased.

Purchase this document