Earticle

초록

영어

Urea formaldehyde resins are widely used in the manufacturing of wood composite and their usage is always combined with release of formaldehyde characterized to be hazardous to health during and after the manufacturing of the products. This study investigates the effectiveness of wood-based adhesive from oil of pyrolysed Triplochiton scleroxylon sawdust for the production of composite board. The wood-derived Pyrolytic Oil (PyO) was blended with Urea Formaldehyde (UF) resin to formed Pyrolytic Oil-Urea Formaldehyde (PyOUF). The obtained PyOUF called Wood-Based Adhesives at four blends and control (UF) viz; 1:1, 1:2, 1:3, 2:1, 1:3 were further employed to prepare the composite board and test for their bonding strength by physical (water absorption-WA and thickness swelling-Th.S) and mechanical properties (modulus of elasticity-MOE, modulus of rupture-MOR, and impact bending-IB). Data obtained was analysed using analysis of variance at  0.05. The result of analysis of variance conducted on physical properties show significant difference (p≤0.05) between the WA values obtained when testing the different blending proportion of PyOUF and likewise between 2 and 24 h of immersion. PyOUF had significant effect (p≤0.05) on Th. S for 24 h but no significant different (p＞0.05) for the 2 h period of soaking. The analysis of variance on mechanical properties of the composite board (MOE, MOR, and IB) show significance differences (p≤0.05) between the strength values obtained when testing the different ratios of PyO with UF. PyO content influenced the properties of the boards and it is evident that PyO can be used in the manufacture of composite board.

목차

Abstract
Introduction
Materials and Methods
Pyrolysis experiment
Preparation PyOUF adhesive
Production of composite board (particleboard)
Evaluation of board properties
Data analysis
Results and Discussion
Water absorption
Thickness swelling
Bending modulus
Bending strength at peak
Energy to break
Conclusions
References

키워드

저자

• Olaoluwa Adeniyi Adegoke [ Department of Wood and Paper Technology, Federal College of Forestry, Ibadan 200272, Nigeria, Department of Forest Production and Products, University of Ibadan, Ibadan 200284, Nigeria ] Corresponding Author
• Olukayode Yekeen Ogunsanwo [ Department of Forest Production and Products, University of Ibadan, Ibadan 200284, Nigeria ]
• Kayode Oladayo Olaoye [ Department of Wood and Paper Technology, Federal College of Forestry, Ibadan 200272, Nigeria, Department of Forest Production and Products, University of Ibadan, Ibadan 200284, Nigeria ]

참고문헌

발행기관

간행물

표지보기 관심저널 등록

• 간행물명

  Journal of Forest and Environmental Science [산림과학연구]

• 간기

  계간

• pISSN

  2288-9744

• eISSN

  2288-9752

• 수록기간

  1981~2025

• 등재여부

  KCI 등재

• 십진분류

  KDC 526 DDC 634