SINTESIS, KARAKTERISASI DAN APLIKASI BIO-IMPREGNAN DARI KULIT BATANG SAWIT
Main Article Content
Abstract
The formulation of phenolic compounds extracted from biomass not only produces adhesives but can also be used as bioimpregnant. In this study, the synthesis was carried out by copolymerization of resorcinol (R) and formaldehyde (F) into the oil
palm bark extract (S) to produce SRF resin fluid. A complete characterization was carried out using FTIR, Py-GCMS, XRD
and DTA. In addition, F emission was also undertaken to ensure its safety for health and the environment. The application of
bio-impregnant was done on samples of the hard (edge) and soft (middle) parts of the oil palm trunk. The results show that the oil
palm bark extract contains polyphenol components that have a strong affinity for resorcinol and formaldehyde in alkaline catalyst
(NaOH 40%), so that it can form a copolymer that can be used as an impregnant. The application of the bio-impregnant can
improve the quality of the oil palm trunk in both parts from class V to class III of wood-strength classification with an increase in
density (>100%), hardness (4 times), thickness swelling in both cold and boiling water meets the requirements (<25%), as well
as formaldehyde emission that meets the standard SNI 03-2105-2006.
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