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1 Annals of Warsaw University of Life Sciences - SGGW. Forestry and Wood Technology

1 2020

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Bonding of sawmill birch wood with selected biopolymer-based glues

Kowaluk Grzegorz, Wronka Anita

Annals of Warsaw University of Life Sciences - SGGW. Forestry and Wood Technology

2020

No. 109

32--36

Bonding of sawmill birch wood with selected biopolymer-based glues. The aim of the research was to determine the shear strength and in-wood damage share of birch lamellas with the surface shaped by rotary saw cutting and bonded with the use of selected biopolymers, such as gelatine, caseine, gluten and polyvinyl acetate (PVAc), as a reference bonding material. The results show that the highest shear strength was achieved in case of PVAc glue used as a binder. From the tested group of biopolymers, a gelatine/acetic acid mixture gave the highest strength.