Abstract
Three novel curing agents (I, II, and III) were synthesized from epichlorohydrin and ammonium hydroxide. The combinations of soy flour (SF) with one of the curing agents (SF-I, SF-II, and SF-III) were investigated as adhesives for making interior plywood. Water resistance tests showed that plywood panels bonded with SF-I and SF-III adhesives met the requirements of interior plywood, whereas those bonded with SF-II did not. The modulus of rupture, modulus of elasticity, and internal bond strength of particleboard panels bonded with the SF-II adhesive all exceeded the corresponding minimum industrial requirements for M-2 grade particleboard.
This project was financially supported by a grant from a USDA National Research Initiative Competitive Grants Program (award no. 2008-35504-19204). We thank Columbia Forest Products for providing us with veneers, Cargill, Inc., for SF, and Flakeboard for wood particles.
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Articles in the same Issue
- Masthead
- Masthead
- Review
- Novel cellulose-based composites based on nanofibrillated plant and bacterial cellulose: recent advances at the University of Aveiro – a review
- Original Articles
- Quantitative structural characterization of the lignins from the stem and pith of bamboo (Phyllostachys pubescens)
- Fractionation and characterization of lignin-carbohydrate complexes (LCCs) of Eucalyptus globulus in residues left after MWL isolation. Part II: Analyses of xylan-lignin fraction (X-L)
- Alkali consumption of aliphatic carboxylic acids during alkaline pulping of wood and nonwood feedstocks
- Improvement of kraft pulp bleaching by treatments with laccase, urea, and refining
- Development and evaluation of new curing agents derived from glycerol for formaldehyde-free soy-based adhesives in wood composites
- Formation of highly hydrophobic wood surfaces using silica nanoparticles modified with long-chain alkylsilane
- The fracture behavior of birch and spruce in the radial-tangential crack propagation direction at the scale of the growth ring
- Flatwise Young’s modulus and flatwise shear modulus of plywood measured by flexural vibration test
- A numerical and experimental study regarding the influence of some process parameters on the damage state in wood chips
- Treatment of wood with silica sols against attack by wood-decaying fungi and blue stain
- Mimicking of the strength loss in the Vasa: model experiments with iron-impregnated recent oak
- Improved heat insulation system (Mirrorpanel) for construction of wood buildings
- Meetings
- Meetings
Articles in the same Issue
- Masthead
- Masthead
- Review
- Novel cellulose-based composites based on nanofibrillated plant and bacterial cellulose: recent advances at the University of Aveiro – a review
- Original Articles
- Quantitative structural characterization of the lignins from the stem and pith of bamboo (Phyllostachys pubescens)
- Fractionation and characterization of lignin-carbohydrate complexes (LCCs) of Eucalyptus globulus in residues left after MWL isolation. Part II: Analyses of xylan-lignin fraction (X-L)
- Alkali consumption of aliphatic carboxylic acids during alkaline pulping of wood and nonwood feedstocks
- Improvement of kraft pulp bleaching by treatments with laccase, urea, and refining
- Development and evaluation of new curing agents derived from glycerol for formaldehyde-free soy-based adhesives in wood composites
- Formation of highly hydrophobic wood surfaces using silica nanoparticles modified with long-chain alkylsilane
- The fracture behavior of birch and spruce in the radial-tangential crack propagation direction at the scale of the growth ring
- Flatwise Young’s modulus and flatwise shear modulus of plywood measured by flexural vibration test
- A numerical and experimental study regarding the influence of some process parameters on the damage state in wood chips
- Treatment of wood with silica sols against attack by wood-decaying fungi and blue stain
- Mimicking of the strength loss in the Vasa: model experiments with iron-impregnated recent oak
- Improved heat insulation system (Mirrorpanel) for construction of wood buildings
- Meetings
- Meetings