STUDYING THE EFFECTS OF OXIDATION AND NANO-CLAY FILLER TREATMENTS ON STRENGTH PROPERTIES OF PLYWOOD FROM EUCALYPTUS COMULDULENSIS

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NAZARNEZHAD N.; DOOST HOSEINI K.; AKBARIFAR F.

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Journal: Journal of Wood and Forest Science and Technology Year:2013 | Volume:20 | Issue:3 Page(s): 41-58

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Information Journal Paper

Title

STUDYING THE EFFECTS OF OXIDATION AND NANO-CLAY FILLER TREATMENTS ON STRENGTH PROPERTIES OF PLYWOOD FROM EUCALYPTUS COMULDULENSIS

Author(s)

NAZARNEZHAD N. | DOOST HOSEINI K. | AKBARIFAR F. | Issue Writer Certificate

Keywords

ECALYPTUS COMULDULENSISQ2

OXIDATIONQ2

NANO-CLAYQ2

HYDROGEN PEROXIDEQ3

SULFURIC ACIDQ2

MECHANICAL PROPERTIESQ2

Abstract

This study conducted to evaluate the possibility of making plywood from ECALYPTUS COMULDULENSIS wood using OXIDATION of layer surfaces and application of NANO-CLAY as adhesive filler. First Ecalyptus wood layers treated with HYDROGEN PEROXIDE and SULFURIC ACID using 50 gr/m2. NANO-CLAY was added to UF resin at three levels (1.5, 3 and 4.5 percent) based on resin solid content. Modified resin with NANO-CLAY were applied on treated layers. Oxidated specimens were evaluated using FTIR spectroscopy. Control specimens were made using untreated Ecalyptus wood layers and UF resin and wheat flour as filler. All boards were made under press pressure of 150 kg/cm2, 160oC and press time of 4.5 and 5.5 minutes. Finally boards strength was evaluated following ISO standard. Results showed that OXIDATION of layer surfaces and application of NANO-CLAY as filler had negative effects of plywood when UF resin is used. Analysis of results using ANOVA technique showed that differences exist among all tests except effect of OXIDATION on MOE parallel and perpendicular of Fiber were significant.

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