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Influence of cold tack properties on bond performance of cured urea–formaldehyde resin

Author:
Hogger, Elfriede M., van Herwijnen, Hendrikus W. G., Moser, Johann, Kantner, Wolfgang, Konnerth, Johannes
Source:
European journal of wood and wood products 2019 v.77 no.3 pp. 487-490
ISSN:
0018-3768
Subject:
Betula, cold, plywood, resins, shear strength, statistical analysis, temperature, urea formaldehyde, water content, wood
Abstract:
Urea–formaldehyde resins are capable of forming cold tack, which is needed in plywood production. Cold tack is influenced by various factors such as veneer moisture content, veneer temperature, and pre-press time. Tensile shear strength and wood failure percentage of bonded birch veneers were examined. Based on statistical analyses, it was concluded that the factors influencing cold tack do not significantly influence the performance of the cured bond line.
Agid:
6364886