For laboratory prepared resin A, B, and C (M w = 292,528 and 884 g/mol), a clear trend could be identified—use of higher molecular mass resins for veneer treatment caused higher ML wood of plywood after exposure to unsterile soil.
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Weathering Stability and Durability of Birch Plywood Modified with Different Molecular Weight Phenol-Formaldehyde Oligomers.
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