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Preparation and characterization of biodegradable rigid polyurethane foams from the liquefied eucalyptus and pine woods
(Statny Drevarsky Vyskumny Ustav, 2014)
In this study, eucalyptus (Eucalyptus camaldulensis L.) and pine (Pinus sylvestris L.) woods were liquefied using the the blended solvents mixture of polyethylene glycol PEG-400/glycerin in the presence of sulfuric acid ...