Effect of Layers Relative Moisture Content on the IB Strength of Pine Tannin Bonded Particleboard

SEDANO, M.; NAVARRETE P.; PIZZI, A.
European Journal of Wood and Wood Products 68 (2010) 355-357.

DOI: 10.1007/s00107-010-0452-8

Abstract

Relative percentage of moisture content of surface and core layers in pine tannin-bonded particleboard influences markedly the internal bond (IB) strength of the board. This is due to the differential compression exercised on the layers related to their moisture content. The moisture content differential between surface and core layers in particleboard during pressing is a determining parameter for the internal bond (IB) strength of particleboard. In the case of tannin adhesives where these differences can be more pronounced than for synthetic adhesive the effect is more easily observable.

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