Lignin resin delivers flame retardancy without formaldehyde [Int]Friday 18 Sep 2026
Published in the journal Green Chemistry, the study details how the new material, dubbed SALG-PR, functions as both a high-strength structural wood adhesive and an effective surface coating. In laboratory testing, timber treated with the bio-resin prevented burn-through during 300 seconds of direct torch exposure while releasing negligible formaldehyde emissions compared to conventional options. The development points to a promising upcycling path for pulp mill lignin while addressing increasingly strict indoor air quality and fire safety standards. More >> Source: European Coatings | ||
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