Adhesion Investigations of Systems Based on Birch Plywood and Wood Plastic Composites
Key Engineering Materials. Vol.850: Materials Science and Applied Chemistry III: Selected peer-reviewed papers from 60th International Scientific Conference of Riga Technical University (RTU). Section of Materials Science and Applied Chemistry (MSAC 2019). 2020
Jānis Kajaks, Kārlis Kalniņš, J. Matvejs

Adhesive activity of plywood sanding dust (PSD, aby-product of birch plywood manufacture) and virgin polypropylene (PP) composites was investigated.Composite sheets (PP+40wt%PSD) were used as overlay on birch plywood surface. To improve bonding strength and water resistanceof these laminated systems,industrially produced wood-plastic composite (WPC)was modified with maleated polypropylene wax (MAPP) additives.Thisstudyshows that PSDcould be anexcellentreinforcementadditive for wood-plastic composite based on PP.Addition of MAPP as coupling agent gives aconsiderable increase of adhesive activity of WPC. Due to presence of MAPP(up to 4wt%),adhesive strength of laminates and water resistance of laminated sandwich specimens significantly increases. As anexample,adhesivebonding strength canreach2.74N/mm2, which is 4 times higher compared with unmodified WPC adhesives.

Atslēgas vārdi
wood-plastic composites, adhesive strength, birch plywood

Kajaks, J., Kalniņš, K., Matvejs, J. Adhesion Investigations of Systems Based on Birch Plywood and Wood Plastic Composites. Key Engineering Materials, 2020, Vol. 850, 82.-86.lpp. ISSN 1013-9826. e-ISSN 1662-9795. Pieejams: doi:10.4028/

Publikācijas valoda
English (en)
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