COMPARISON THE PERFORMANCE OF DIFFERENT CATALYSTS IN CHEMICAL MODIFICATION OF POPLAR WOOD WITH GLUTARALDEHYDE

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ESMAEELI N.; GHORBANI M.; BEPARVA P.

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Journal: IRANIAN JOURNAL OF WOOD AND PAPER INDUSTRIES Year:2016 | Volume:7 | Issue:3 Page(s): 363-375

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Title

COMPARISON THE PERFORMANCE OF DIFFERENT CATALYSTS IN CHEMICAL MODIFICATION OF POPLAR WOOD WITH GLUTARALDEHYDE

Author(s)

ESMAEELI N. | GHORBANI M. | BEPARVA P. | Issue Writer Certificate

Keywords

GLUTARALDEHYDEQ1

CHEMICAL MODIFICATIONQ1

CATALYSTSQ1

PHYSICAL PROPERTIESQ2

WPGQ1

Abstract

In this study, the effect of different CATALYSTS on CHEMICAL MODIFICATION of poplar wood and PHYSICAL PROPERTIES of the resulting product was evaluated. 12.5% HCl and water soluble salts containing ZnCl2, CaCl2, AlCl3, MgCl2 (based on the weight of GLUTARALDEHYDE) and 1% Al2O3, SiO2 and ZnO nanoparticles (based on the weight of GLUTARALDEHYDE) were used. After heating in oven for 48 hour, modification with GLUTARALDEHYDE and MgCl2, ZnO nanoparticles, SiO2, Al2O3, ZnCl2, AlCl3, CaCl2 and HCl as CATALYSTS were resulted in 14.5, 12.57, 10.62, 8.69, 8.51, 7.19, 5.97 and 5.41 % weight gain, respectively. After 24h of soaking in water, the PHYSICAL PROPERTIES of modified specimens, such as water absorption, volume swelling and ASE were measured. The highest and lowest bulking were calculated for Mgcl2 and Hcl CATALYSTS with 6.98 and 2.37%, respectively. The modification in presence of Mgcl2 catalyst showed the highest increase of density with average of 0.55 g/cm3. The highest and lowest water absorptions were measured as 79.61 and 45.32% in the modification with HCl and MgCl CATALYSTS, respectively. HCl with acidic quality can break ether bonds in hemiacetal and even acetal structure. Modification with MgCl2 showed the best result in comparison with other CATALYSTS. It is likely that the formation of a complex of magnesium with oxygen, could resulted in activate carbonyl groups in GLUTARALDEHYDE and creation of crosslinks.

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APA: Copy

ESMAEELI, N., GHORBANI, M., & BEPARVA, P.. (2016). COMPARISON THE PERFORMANCE OF DIFFERENT CATALYSTS IN CHEMICAL MODIFICATION OF POPLAR WOOD WITH GLUTARALDEHYDE. IRANIAN JOURNAL OF WOOD AND PAPER INDUSTRIES, 7(3), 363-375. SID. https://sid.ir/paper/184404/en

Vancouver: Copy

ESMAEELI N., GHORBANI M., BEPARVA P.. COMPARISON THE PERFORMANCE OF DIFFERENT CATALYSTS IN CHEMICAL MODIFICATION OF POPLAR WOOD WITH GLUTARALDEHYDE. IRANIAN JOURNAL OF WOOD AND PAPER INDUSTRIES[Internet]. 2016;7(3):363-375. Available from: https://sid.ir/paper/184404/en

IEEE: Copy

N. ESMAEELI, M. GHORBANI, and P. BEPARVA, “COMPARISON THE PERFORMANCE OF DIFFERENT CATALYSTS IN CHEMICAL MODIFICATION OF POPLAR WOOD WITH GLUTARALDEHYDE,” IRANIAN JOURNAL OF WOOD AND PAPER INDUSTRIES, vol. 7, no. 3, pp. 363–375, 2016, [Online]. Available: https://sid.ir/paper/184404/en

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