![]() The wood preservative industry is interested in finding low-cost, environmentally friendly methods for the treatment of the wood. Prospects of improved production justify the enhanced research efforts made in relation to provide new effective solutions for sustainable wood protection. In such cases, the coatings may be able to prevent or limit, to a large extent, the deleterious effects of environmental factors upon their performance along with ensuring maintenance of the wood’s aesthetical appearance. In this context there is increasing interest in the improvement of coatings for wood and their performance under exposure, mainly outdoor applications. One effective way to prevent wood’s degradation processes is to apply coating protective layers by chemical modification of the surface. Wood’s constitutive biopolymers (cellulose, lignin, hemicelluloses) are subjected to intense and progressive oxidative degradation processes (photo-oxidation, chemical oxidation, thermal decomposition, photolysis reactions) under the action of environmental factors (sunlight radiation, mainly UV component moisture generated through dewing, raining, and snowing chemical pollutants fire heat/cold variations wind abrasion-particulates atmospheric oxygen), which affects wood’s native durability (dimensional stability, surface integrity) and causes occurrence of significant structural and color changes (discoloration), along with a progressive diminution of its resistance against biological agents (biodegradation or decay development) and its mechanical properties. Wood, a biologically self-assembled polymeric structure occurring in nature, presents a hierarchical, and complex designed network consisting of intimately associated biopolymers, which is perfectly adaptable to continuously changing environmental conditions (Fengel and Wegener 2003 Fratzl and Weinkamer 2007). Ghica-Voda Alley, Iaşi, 700487, Romania *Corresponding author: – A VERSATILE MATERIAL AND ITS BEHAVIOR UNDER EXPOSURE TO ENVIRONMENTAL CONDITIONS Ghica-Voda Alley, Iaşi, 700487, Romania b:“Petru Poni” Institute of Macromolecular Chemistry, Physical Chemistry of Polymers Department, 41A Gr. ![]() Keywords: Wood protection Wood decay Bio-based coatings UV protection Hydrophobic properties Biocide properties Biological decay antagonistsĬontact information: a: “Petru Poni” Institute of Macromolecular Chemistry, Advanced Research Center for Bionanoconjugates and Biopolymers, 41A Gr. Natural Bio-Based Products for Wood Coating and Protection against Degradation: A ReviewĬarmen-Alice Teacă, a,* Dan Roşu, a Fănică Mustaţă, b Teodora Rusu, a Liliana Roşu, a Irina Roşca, a and Cristian-Dragoş Varganici a The present paper focuses on the most recent literature data with significant assessment of specific topics related to these issues. Recent trends in this area include use of bio-based natural products – extractives, oils, waxes, resins, biopolymers, biological control agents – for which the main classification criterion is represented by the type of protection provided, considering the large available variety of such formulations. In this context, increasing interest for improving wood coatings behavior under exposure to outdoor applications, when these are able to prevent or limit to a large extent the deleterious effects of environmental factors upon their performance, justifies enhanced research efforts to provide new effective solutions for sustainable wood protection. One effective way to prevent wood degradation is to apply coating protective layers by chemical modification of the surface. Its constitutive biopolymers are subjected to intense and progressive oxidative degradation processes under environmental conditions of exposure, affecting wood’s native durability and generating significant structural and color changes, along with progressive diminution of its resistance against biological agents. ![]() Wood, as a natural hybrid composite material, represents a versatile and widely exploited renewable resource for indoor and outdoor applications. Preservation of wood structures against degradation represents an old, and however, a new challenge. " Natural bio-based products for wood coating and protection against degradation: A Review," BioRes.
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