Study on the Bending Mechanical Properties of Bamboo Plywood Used Middle Temperature PF Resine
The bending mechanical properties of bamboo plywood which was glued with phenol formaldehyde (PF) resine were detected and analysised. The study results showed that the differences of the bending strength (MOR)and the elastic modulus(MOE) of bamboo plywood prepared separately within 110-130°C were not large, and MOR and MOE exceeded all the targets ruled by JB/T 156-2004. It was proved that the property of this kind of middle temperature PF resine was very well for using in bamboo plywood. When the load was the same, the differences of the deflection、the stress of the bamboo plywood prepared on the different hot-pressing temperature were very small too, but some differences existed in the those strains，and the strains on the lower sursurface of the boards were larger than those on upper surface. When the load was smaller, The deflection、stress and strain of the boards linearly changed with the load increase, which proved that the bamboo plywood mainly produced elastic deformation under this circumstances.
Hui Li, Yan Feng Liu, Ming Guo, Rui Zhang and Jing Du
J. Han and Y. Zou, "Study on the Bending Mechanical Properties of Bamboo Plywood Used Middle Temperature PF Resine", Advanced Materials Research, Vols. 374-377, pp. 1239-1243, 2012