SciELO - Scientific Electronic Library Online

vol.10 issue3PHENOMENOLOGICAL MODELING OF HIGH TEMPERATURE DRYING CURVES OF RADIATA PINEUsing Flow Simulation as a Decision Tool for Improvements in Sawmill Productivity author indexsubject indexarticles search
Home Pagealphabetic serial listing  

Services on Demand




Related links


Maderas. Ciencia y tecnología

On-line version ISSN 0718-221X


TONDI, G; PIZZI, A  and  OLIVES, R. NATURAL TANNIN-BASED RIGID FOAMS AS INSULATION FOR DOORS AND WALL PANELS. Maderas, Cienc. tecnol. [online]. 2008, vol.10, n.3, pp.219-227. ISSN 0718-221X.

Tannin-based rigid foams were shown to be good thermal insulating materials for use in the cavity of hollow-core wooden doors and other wooden cavities. Their thermal insulation capacity is comparable to that of totally synthetic, oil-derived foams, such as polyurethanes, but with the advantage that they do not burn and thus do not emit toxic gases on burning. Exposure to the weather of wooden hollow core structures filled with tannin-based foams confirm that the wood in contact with the foam is not affected by the acidity of the foam due to the already previously demonstrated incorporation of the acid hardener used by coreaction with the hardened polymer network.

Keywords : Tannins; foams; thermal insulation; wood; doors; construction.

        · text in English     · English ( pdf )


Creative Commons License All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License