Adhesive bonding of beech wood modified with a phenol formaldehyde compound

Adamopoulos, StergiosGeorg-August-University Göttingen, Germany ; Technological Educational Institute of Larissa, Greece (author)

Untreated (controls) and phenol–formaldehyde (PF)-modified beech wood (10 and 25 % solid content) were glued with phenol resorcinol formaldehyde (PRF) and polyvinyl acetate (PVAc). Shear strength of PRF-bonded specimens was higher than that of PVAc-bonded ones under dry and wet conditions irrespective of the pre-treatment. Under dry conditions, only PVAc-bonded specimens exhibited reduction in shear strength due to PF-modification with 25 % PF concentration as compared to the controls. PF treated wood provided inferior bonding under wet conditions with the exception of 25 % PF concentration specimens glued with PRF adhesive. Modification with PF resulted in a decrease of adhesive penetration into the porous network of interconnected cells, especially at 25 % PF concentration.

Bastani, AlirezaGeorg-August-University Göttingen, Germany (author)
Gascón-Garrido, PatriciaGeorg-August-University Göttingen, Germany (author)
Militz, HolgerGeorg-August-University Göttingen, Germany (author)
Mai, CarstenGeorg-August-University Göttingen, Germany (author)
Georg-August-University Göttingen, Germany ; Technological Educational Institute of Larissa, GreeceGeorg-August-University Göttingen, Germany (creator_code:org_t)

In:European Journal of Wood and Wood Products: Springer Science and Business Media LLC70:6, s. 897-9010018-37681436-736X

By the author/editor: Adamopoulos, Ste ...; Bastani, Alireza; Gascón-Garrido, ...; Militz, Holger; Mai, Carsten

About the subject

AGRICULTURAL SCIENCES: AGRICULTURAL SCI ...; and Agriculture Fore ...; and Wood Science

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