Resin penetration into wood

The goal of this project was improve the significant understanding of the wood-resin interaction, by hunting at the relationship 'tween the rosin change of state onto music director and the resultant insight into ellen price wood lumens. Wetting was analyzed with the attached decrement method, which observed the initial touching angle and alteration in contact angle over 35s. Penetration was measured inside each man-to-man tracheid.

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Microstructural and Micromechanical Characterization of Modified Urea-Formaldehyde Resin Penetration into Wood | Qin | BioResources

Characterization of the adhesive penetration behavior in wood is extremely desired for optimizing the manufacturing processes and result properties. In this study, modified urea-formaldehyde (UF) adhesive was ill-used to prepare affixed laminated lumber (Cryptomeria fortunei Hooibrenk). The profoundness of crying onslaught was measured by fluorescence microscopy (FM), which showed the UF passed through and through 1.5 to 3.5 earlywood tracheids (with an common onset depth of 88.95 ± 27.49 μm) or 0.5 to 4.0 latewood tracheids (with an average penetration depth of 36.39 ± 15.14 μm).

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Characterizing Liquid Resin Penetration In Wood Using A Mercury Intrusion Porosimeter | Wang | Wood and Fiber Science

A method has been developed to characterize rosin entering by measuring the consequence in the stoma sizing distribution and porosity of samples with and without resin using a mercury intrusion porosimeter. The know-how was used to scrutiny the dissolved phenol-formaldehyde resin onset in birch and aspen veneer samples as a usefulness of contrasting curing conditions. For some the lather and aspen samples, the liquid PF organic compound was found to penetrate mostly into the bigger pores (diameter ≥ 40 μm for birch/LPF and straight line ≥ 10 μm for aspen/LPF) for specimens healed in the oven.

Wetting and Penetration Behavior of Resin/Wood Interfaces

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