QUALITY OF PLYWOODS OBTAINED FROM Melia azedarach COMBINED WITH Pinus taeda, PRODUCED WITH UREA-FORMALDEHYDE AND PHENOL-FORMALDEHYDE RESINS | Zendy

Setsuo Iwakiri | Zendy; Rosilani Trianoski | Zendy; Vinícius Gomes de Castro | Zendy; Carlos Frederico Alice Parchen | Zendy; Roberto Daniel de Araújo | Zendy

Open Access

QUALITY OF PLYWOODS OBTAINED FROM Melia azedarach COMBINED WITH Pinus taeda, PRODUCED WITH UREA-FORMALDEHYDE AND PHENOL-FORMALDEHYDE RESINS

Author(s) -

Setsuo Iwakiri,

Rosilani Trianoski,

Vinícius Gomes de Castro,

Carlos Frederico Alice Parchen,

Roberto Daniel de Araújo

Publication year - 2013

Publication title -

floresta

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.386

H-Index - 13

eISSN - 1982-4688

pISSN - 0015-3826

DOI - 10.5380/rf.v44i1.30823

Subject(s) - melia azedarach , veneer , urea formaldehyde , shear strength (soil) , botany , horticulture , materials science , composite material , biology , adhesive , layer (electronics) , soil water , ecology

This study was developed to evaluate the quality of plywood produced from Melia azedarach in combination with Pinus taeda , glued with urea-formaldehyde resin (UF) and phenol formaldehyde (PF). Panels were produced using five veneers of Melia azedarach only, five veneers of Pinus taeda and also with faces made of Melia azedarach and core with Pinus taeda . The panels were evaluated by glue line shear tests and by static bending in parallel and perpendicular directions. The higher contents of extractives in Melia azedarach wood did not reduce the glue line shear strength between the layers. For both UF and PF glues, panels produced with veneers of Melia azedarach showed better results on static bending and glue line shear tests. The results indicate great potential of Melia azedarach wood in plywood production, both for internal use (UF), and for external use (PF). Keywords : Cinamomo; wood veneer; glue line.

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