Cisalhamento na Linha de Cola de Compensados de Eucalyptus sp. e Adesivo PVA | Zendy

Bruno Santos Ferreira | Zendy; Cristiane Inácio de Campos | Zendy; Marcellus Silveira da Silva | Zendy; Ivaldode Domênico Valarelli | Zendy

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Cisalhamento na Linha de Cola de Compensados de Eucalyptus sp. e Adesivo PVA

Author(s) -

Bruno Santos Ferreira,

Cristiane Inácio de Campos,

Marcellus Silveira da Silva,

Ivaldode Domênico Valarelli

Publication year - 2012

Publication title -

floresta e ambiente

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.333

H-Index - 12

eISSN - 2179-8087

pISSN - 1415-0980

DOI - 10.4322/floram.2012.016

Subject(s) - adhesive , polyvinyl acetate , formaldehyde , pulp and paper industry , urea formaldehyde , polyvinyl alcohol , materials science , shear strength (soil) , composite material , chemistry , environmental science , organic chemistry , polymer , layer (electronics) , soil science , engineering , soil water

Studies on new adhesives and resins for bonding wood and wood products are being carried out with the intention to improve their properties, taking into account a lower environmental impact. To this end, new formulations of polyvinyl acetate (PVA) adhesives have been developed, because they have no polluting harmful to health chemicals in their composition, in contrast to formaldehyde-based resins; which in turn are the most commonly used for wood panels production these days. This study tested three different formulations of PVA adhesives, with different pressing times and temperatures for the production of Eucalyptus sp. plywood, obtaining satisfactory results with respect to shear strength at the bondline, which was higher for the PVA adhesives compared to the urea-formaldehyde and phenol-formaldehyde panels found in the literature

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