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USING QUERCUS INFECTORIA GALL NUT TANNIN AS A BINDER INPARTICLEBOARDS PRODUCTION | ||
| Mesopotamia Journal of Agriculture | ||
| Article 5, Volume 34, Issue 2, 2006, Pages 14-22 PDF (0 K) | ||
| DOI: 10.33899/magrj.2006.26325 | ||
| Author | ||
| Walid A. Kasir | ||
| Abstract | ||
| Adhesives derived from oak (Quercus infectoria) galls tannin and urea-formaldehyde were used to produce particleboards of 18 mm. thickness from pinewood particles at 8 and 12% resin content and target density of 0.60 gm / cm3. Five levels of blending ratios were followed namely; 100 TF:0 UF, 75 TF:25 UF, 50 TF:50 UF, 25 TF:75 UF, and O TF:100 UF. The physical and mechanical properties of the produced panels were tested after conditioning according to ASTM standard D-1073. The results indicated, that tannin from oak galls has good potential for use as adhesive. It has been shown from the results that incorporating urea-formaldehyde with tannin-formaldehyde produced good quality adhesive for the manufacture of particleboard for interior use. An increase in the levels of urea in the adhesive blends caused an increase in panels strength such as MOR, MOE, and IB, while WA and Th.S. decreased by increasing levels of tannin-formaldehyde. The increase in resin content of all produced panels improved all particleboard properties. | ||
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